Entities

Entities collected from this article, grouped for quick reference and copying. Inclusion does not establish malicious activity. Article links appear separately at the bottom as references.

Poland disconnected a national government portal after stopping what its digital affairs minister calls preparation for a December attack on public administration. International police removed 235 criminal servers, United Airlines barred AI agents from acting for passengers, and fourteen governments endorsed spyware rules no vendor is obliged to follow. France blamed an Iranian state unit for supermarket sabotage claimed by Russian-aligned hacktivists. Elsewhere, old vulnerabilities reached storage devices, ransomware disabled a public library, and an emerging extortion operation discovered its own encryption was unreliable.

Poland Stops an Attack by Disconnecting ePUAP

Poland's ePUAP platform remained offline on November 13, three days after security teams detected and stopped a cyber attack. Deputy Prime Minister and Digital Affairs Minister Krzysztof Gawkowski said the Central Information Technology Center's infrastructure remained secure. The government disconnected ePUAP as a precaution, and the Internal Security Agency (ABW) is investigating.

On November 12, Gawkowski went further. He said log analysis showed preparatory activity for an "administrative bomb" meant to paralyze public administration and its internal communication in December. He called the foreign origin confirmed, named no country or threat actor, and tied the incident to the December 2025 attack on Polish energy facilities. CERT Polska attributed that earlier attack to Static Tundra, an activity cluster linked to the FSB's Center 16, while ESET and Dragos assessed VOODOO BEAR (aka Sandworm) with moderate confidence. Two credible attributions for one incident remain unreconciled, a problem I examined in attribution as a confidence game.

The shutdown still removed a national public service. ePUAP mailboxes, embedded forms, and electronic signatures running through the platform are frozen, and administrative deadlines keep running. Poland accepted a known availability loss to deny a planned one. No telemetry has been published, so the public cannot yet measure what the intervention stopped.

Gawkowski's link to the energy attack is a claim, not published evidence. A minister has political reasons to frame a stopped intrusion as a foiled national attack, and disruption, espionage, hacktivism, and ransomware staging all fit "preparatory activity" in logs. The access method and the indicators behind the December assessment will decide which reading holds.

Operation Endgame Removes Three Routes Into Victim Networks

Operation Endgame seized or disabled 235 servers and 257 domains supporting Gootloader, CastleRAT, and StealC during actions announced on November 12. Police and private partners also cleaned Gootloader from 681 compromised web sites and recovered 6.4 million credentials belonging to more than 40,000 victims. Investigators are distributing victim data through Have I Been Pwned, Shadowserver, and national notification services. No arrests were announced, and Dutch police continue investigating Gootloader's main suspect.

Gootloader poisoned search results with fake legal documents hosted on compromised WordPress sites. The US Justice Department says it infected at least 25,000 computers since 2018 and supported ransomware attacks against at least 44 US victims, causing approximately US$28.8 million in losses. Its targets included the US Department of War and the defense industrial base. CastleRAT supplied remote control, while StealC harvested credentials and digital identities for resale and follow-on attacks.

The 681 remediated sites represent more than seized infrastructure. Each legitimate web site had become a distributor carrying criminal access into another organization. The 6.4 million credentials require separate remediation because taking a server does not invalidate what the server already collected. As I argued in an earlier analysis, police can seize the servers but not the business model.

StealC also appeared in Operation Endgame's June action and again in the late-October takedown of its hosting provider, showing how quickly the eCrime ecosystem rebuilds around surviving developers, customers, and distribution routes. Persistence will be visible in whether the malware families reappear, whether the Gootloader suspect reaches prosecution, and whether recovered credentials lead defenders to victims first.

United Airlines Rejects Authority Delegated to AI Agents

United Airlines announced restrictions on November 11 against unauthorized third-party personal AI agents booking travel through its platforms and through online travel agencies and aggregators. United identifies no incident behind the decision. It cites credential exposure, unintended account changes and MileagePlus redemptions, and federal rules requiring a person to confirm during check-in the absence of prohibited items in their baggage.

A passenger can voluntarily give an agent valid credentials without giving the agent authority United accepts. The resulting session may look legitimate to conventional identity controls because the customer supplied the password and requested the action, the same blind spot I examined when Denmark was logged into rather than hacked. United is moving the authorization boundary above authentication. Its policy asks whether the service recognizes the software acting through an account, even when the account owner invited it. Accountability for agents acting without a human criminal remains unsettled, and United is refusing to carry that risk.

Security and regulatory concerns coexist with commercial incentives. Chief executive Scott Kirby said he does not want "to create another middleman." Agentic comparison tools can weaken an airline's control over direct sales, ancillary purchases, customer data, and loyalty relationships. My investigation into the three-year Amadeus breach showed how much authority aviation has already delegated to infrastructure passengers never see. AI agents add another intermediary, this time selected by the traveler.

Fourteen Governments Ask Spyware Vendors to Police Themselves

Fourteen governments endorsed the Pall Mall Process Guidelines for Industry on November 11 at the third Pall Mall Process conference in Paris, where 43 countries were represented. The voluntary framework asks companies building, selling, and financing commercial cyber intrusion capabilities to vet customers, build safeguards against misuse, and halt sales when serious misuse is a credible risk. It creates no penalties and binds no vendor, complementing a separate Code of Practice for States. The endorsers include the United States, Japan, Germany, and Poland. Israel and India are absent, although the list does not show whether either rejected the text or simply declined to sign.

Voluntary rules can still shape a market when governments convert them into procurement requirements, export decisions, financing conditions, or contract language. The United Kingdom, France, and the United States also buy, develop, and export offensive capabilities. Their dual position gives them leverage over suppliers and creates an obvious credibility test. Standards applied only to vendors outside allied procurement systems would protect an existing market hierarchy more effectively than they protect targets.

My November 11 Intelligence Brief examined how commercial surveillance crosses into political targeting while governments preserve offensive relationships they consider useful. Pall Mall leaves the tension intact. Government tenders, export licenses, investor conditions, and vendor transparency reports will show whether the framework changes access to money and customers. Without those consequences, suppliers selling outside the fourteen endorsing states keep the same commercial incentive and gain a new vocabulary for describing themselves as responsible.

Hacktivist Claims Collide With France's Refrigeration Attribution

France attributed the October 11 and 12 sabotage of refrigeration controllers at about 700 French supermarkets to Shahid Kaveh, a cyber unit of Iran's Islamic Revolutionary Guard Corps, on November 9. France's interministerial Cyber Crisis Coordination Center cites Farsi in the attack infrastructure, Iranian IP addresses, Modbus reconnaissance of Schneider Electric equipment since April, and the unit's habitual use of the FOFA scanner. Paris prosecutors requested international arrest warrants, and Iran's foreign ministry rejected the accusation as baseless. The manipulated defrost cycles caused at least 15 fires, according to the coordination center.

Five days before the attribution, NoName057(16) and the Z-Pentest Alliance claimed the campaign in a video naming Danfoss and Dixell equipment. DomainTools assessed on November 13 the method as trivial, built on internet-exposed controllers running default passwords, and rated the hacktivist claims at low confidence because the video showed no hands-on-keyboard access. A second wave on November 1 and 2 reached retailers in at least seven more European countries, and no public evidence yet assigns it to either actor.

The French report says Shahid Kaveh operates mainly through hacktivist personas, including CyberAv3ngers and Soldiers of Solomon. A state unit posing as hacktivists and hacktivists claiming state-scale sabotage produce identical public claims, so a claim alone attributes nothing. France has published its conclusion without the forensic artifacts needed for independent verification. This builds on my earlier assessment of the refrigeration attacks, and the exposure behind them persists, with Flare identifying at least 2,667 public IP addresses exposing refrigeration management interfaces.

Queens Public Library Keeps Its Doors Open Through Ransomware

A ransomware attack disabled digital services across all 66 Queens Public Library branches beginning November 4. The branches remained physically open. By November 10, wifi and checkout machines had returned, and public computers were operating at seven locations. The web site, mobile app, digital media services, and most public computers remained unavailable. No ransomware-as-a-service operation has claimed the intrusion, and the library has disclosed no initial access method or confirmed data theft.

The physical continuity hides an unequal digital impact. Queens Public Library provides computers, printing, and internet access to people who may have no equivalent service at home. Closing those systems transfers the disruption to residents least equipped to work around it. A library can keep lending books while losing much of the infrastructure supporting employment, education, benefits, and communication.

The absence of a dedicated leak site claim leaves several possibilities, including private negotiation, encryption without data theft, or insufficient leverage beyond disruption. Patron and employee information remains an intelligence gap rather than a confirmed breach. Notification obligations, if they follow, will reveal whether the intrusion reached the people behind the library cards.

C3RB3R Turns Unpatched Storage Into the Point of Failure

Synology warned on October 29 of threat actors exploiting a vulnerability patched in December 2024 to encrypt data on devices running outdated DiskStation Manager software. The company pointed to advisory Synology-SA-24:20, which covers CVE-2024-10441, CVE-2024-50629, and CVE-2024-10445. Synology has not identified which one supplied initial access. Assigning CVE-2024-10441 or either companion flaw as the confirmed route would exceed the public evidence.

The victims reached the same outcome regardless of the unresolved CVE. C3RB3R encrypted data stored on network-attached storage devices and demanded payment. A NAS often holds working files, shared folders, and backups inside the same management boundary. Compromising the appliance reaches the data and the recovery layer without lateral movement through every workstation, the failure I examined when Osaka's backups died in the same blast radius as its servers. Shadowserver tracks more than 380,000 internet-exposed Synology devices, an exposure figure rather than a victim count.

Under Synology's account, the campaign is easy to describe as a patching failure because fixes existed for nearly two years. The framing leaves out small offices and home users running storage appliances as unattended infrastructure. Some devices remain exposed long after their owners stop treating them as computers requiring active vulnerability management.

A competing account complicates the patching narrative. A Qihoo 360 incident report names CVE-2026-13639 and CVE-2026-13684, flaws Synology fixed in Synology-SA-26:13 only on September 18, 2026. If 360 is right, victims had weeks rather than two years to patch, and the patching-failure framing weakens considerably. Synology has not reconciled the two accounts, and neither source has published exploitation details. Defenders should treat both advisories as in scope until one route is confirmed.

HYFLOCK's Broken Encryption Can Destroy What Its Key Cannot Restore

Check Point traced four generations of HYFLOCK ransomware from April through October. The ransomware-as-a-service operation first promoted itself in underground forums on March 29 and recruited through May and June before posting eight claimed victims on October 13. Those victim listings remain unverified, and the full report found no dedicated data exfiltration workflow in any analyzed build, so any stolen-data claims would rest on separate tooling. The October 17 build encrypted files, registered a scheduled task, accessed network shares, and attempted to interfere with recovery during controlled analysis. Domain-wide propagation was not observed, and vulnerable-driver use against security tools remains unverified.

The encryption failed in two different directions. One October build could discard portions of a file, leaving complete recovery impossible even with the correct key. A later build encrypted only the first 4,096 bytes of larger files. Check Point recovered 73 valid internal components, including worksheet and shared-string data, from seven Office documents without a key, although it did not restore complete files or produce a general decryptor.

Weak ransomware does not guarantee a forgiving incident. Partial encryption can leave recoverable content, while destructive implementation errors remove data the threat actor cannot return after payment. Negotiators need the exact build and preserved samples before treating possession of a decryptor as proof of recoverability.

HYFLOCK's advertising ran ahead of its demonstrated capability. Its code still encrypted files and reached network resources, making the defects operationally dangerous rather than reassuring. A ransomware brand can exaggerate its reach and still cause permanent loss through software it has not engineered well enough to reverse.

Trellix Finds Fragmentation More Clearly Than Autonomous Crime

Trellix counted 5,505 victim posts across 124 ransomware operations between April and September, a record brand count in its data. Fifty-five operations posted victims for the first time and produced 22 percent of the total. Posts held flat against the previous six months, while the top five operations' share fell from 42.1 to 37.3 percent. The Gentlemen rose from 209 posts to 719 and overtook Qilin as the most active operation.

Trellix also describes a transition from AI assistance to delegation, the shift I tracked as cyber crime put AI on the payroll, and cites TITAN AI, a ransomware-as-a-service operation advertising automated analysis of stolen documents and regulatory exposure. The same section calls the technical framing grandiose. An underground advertisement demonstrates ambition and market positioning, and Trellix provides no incident telemetry confirming the advertised system processed victim data during an intrusion.

Trellix's architectural finding is better supported. Coding and operations agents routinely move credentials from protected stores into command lines, local files, and external model context. Those steps resemble normal work because the agent uses trusted tools. My analysis of the ARTEX breach at WorkOS documented the related problem from an incident, where an autonomous framework found a predictable credential and used it without a human directing the access.

The heaviest exploit detections still come from old internet-facing vulnerabilities, led by F5 BIG-IP CVE-2022-1388 with 1.2 million detections, echoing my finding that Microsoft's 2026 threat report is really about 2020. The eCrime ecosystem is adding faster decision systems while exploiting familiar weaknesses. I assess with high confidence fragmentation is already visible in the posting data, and with low confidence autonomous criminal execution is widespread, pending incident telemetry confirming the capabilities advertised in underground markets.

Analyst Note

These developments show different institutions exercising the control available to them. Poland removed access to a public platform. Police removed servers and domains. United withdrew permission from software acting through customer accounts. Synology shipped patches, while Queens Public Library kept physical services operating around a disabled network. The Pall Mall Process offers principles without an enforcement mechanism, and France answered a sabotage campaign with an attribution, arrest warrant requests, and a sanctions proposal.

Control remains strongest at concentrated intermediaries. Registrars can seize domains, hosting providers can remove servers, platforms can revoke credentials, and an airline can reject transactions at its own interface. The model weakens when authority disperses across unpatched appliances, independent spyware vendors, compromised web sites, and criminal brands able to replace infrastructure. Operation Endgame's repeated action against StealC captures both sides. Coordinated pressure removes capacity, while surviving participants rebuild it.

The record also separates speed from sophistication. HYFLOCK revised its ransomware quickly and still damaged files it could not restore. Trellix observed more brands and more claims of autonomy, while its strongest exploit telemetry remained concentrated on known vulnerabilities. Fast iteration lowers the cost of trying again without guaranteeing technical competence or strategic success.

Future collection should test consequences. The ePUAP access method and the evidence behind Poland's December assessment would change the first item's reading. So would any reappearance of Operation Endgame infrastructure, United's enforcement telemetry, Pall Mall procurement language, the forensic basis for France's attribution, and Queens data notifications. C3RB3R's confirmed entry vulnerability, HYFLOCK victim validation, and incident evidence for criminal autonomy remain equally valuable. Until those records emerge, the clearest advantage belongs to whoever controls the point where access can still be refused.


Analyst Annex

Evidence status as of November 14, 2026. The records cover nine separate developments involving Poland's ePUAP platform, Operation Endgame, United Airlines, the Pall Mall Process, the French refrigeration sabotage attribution, Queens Public Library, C3RB3R activity against Synology devices, HYFLOCK ransomware, and the Trellix November 2026 CyberThreat Report. The ATT&CK mapping covers only publicly reported procedures associated with Operation Endgame, the refrigeration sabotage, Queens Public Library, C3RB3R, and HYFLOCK. ePUAP, United Airlines, the Pall Mall Process, and TITAN AI remain outside the mapping because the public record does not disclose an observed intrusion procedure. The December 2025 Polish energy attack, the June Operation Endgame action, and the November refrigeration wave outside France are context only. Family-reference behaviors for CastleRAT and StealC are separated from the November takedown evidence.

Intelligence Gaps

Gap Why It Matters What Would Close It
Initial access to ePUAP and the systems reached before disconnection Poland confirmed foreign activity and preparation for a broader December action without identifying the access method, affected components, or whether the threat actor reached identity and correspondence data COI forensic findings, authentication records, network telemetry, malware analysis, or a technical advisory from Poland's national authorities
Attribution and tasking behind the ePUAP activity Foreign origin narrows geography without distinguishing state direction, proxy activity, hacktivism, or criminal exploitation Infrastructure ownership, malware lineage, recovered tasking, corroborating intelligence, or a formal Polish attribution statement
Evidence for the link to the December 2025 energy attack The minister tied ePUAP to an incident carrying two unreconciled attributions, Static Tundra from CERT Polska and VOODOO BEAR from ESET and Dragos Shared infrastructure, tooling, or access paths published by CERT Polska or the Internal Security Agency
Endpoint persistence after Operation Endgame Server and domain seizures do not establish that every infected endpoint was cleaned or every stolen credential was invalidated Victim notification totals, credential reset telemetry, endpoint remediation records, and follow-up sinkhole or command-and-control observations
Gootloader infection scale The US Justice Department cites at least 25,000 infected computers since 2018, while German police describe millions since 2020 A reconciled figure from Europol or the participating agencies
Reconstitution of Gootloader, CastleRAT, and StealC infrastructure StealC survived the June phase of Operation Endgame, showing that infrastructure loss can leave developers, customers, and distribution relationships intact New domain registrations, replacement command-and-control servers, malware build changes, forum activity, or renewed infection telemetry
United Airlines enforcement mechanics The policy draws a boundary between customer authentication and accepted delegation, but United has not disclosed how it identifies unauthorized agents or handles legitimate automation Technical standards, approved-agent requirements, enforcement statistics, appeal procedures, or documented false-positive cases
Pall Mall implementation The voluntary guidelines create no penalty. Their effect depends on whether endorsing governments attach them to procurement, export licensing, finance, or vendor access Contract clauses, export decisions, financing conditions, audit requirements, vendor disclosures, or enforcement records
Forensic basis for the French refrigeration attribution France published conclusions without the artifacts needed for independent verification, and DomainTools rates the attribution moderate and unverified Release of infrastructure, logs, or indicators from CERTFR-2026-CTI-009, or corroboration by another government
Responsibility for the November refrigeration wave outside France No public evidence assigns the second wave to Shahid Kaveh, NoName057(16), Z-Pentest, or another actor National attributions from the affected countries or shared forensic evidence
Queens Public Library initial access and data exposure Encryption is confirmed, while the public record does not establish how the threat actor entered or whether patron and employee information was stolen Forensic findings, breach notifications, regulatory filings, dedicated leak site evidence, or a public incident report
Exact vulnerability exploited by C3RB3R Synology points to Synology-SA-24:20 and a December 2024 fix, while a Qihoo 360 incident report names CVE-2026-13639 and CVE-2026-13684 from Synology-SA-26:13. Neither source publishes exploitation details, and the reports may not cover the same victims A Synology statement reconciling the two advisories, recovered exploit code, or victim forensics tied to a specific CVE
Scale and exposure of the C3RB3R campaign Public reporting confirms active exploitation without disclosing victim count, geographic distribution, payment activity, or the number of exposed outdated devices Vendor telemetry, internet measurement, incident-response reporting, cryptocurrency tracing, or law-enforcement records
HYFLOCK initial access and claimed victims Check Point analyzed the malware and dedicated leak site, but the eight victim claims and the route into those environments remain unverified. No analyzed build contains a dedicated data exfiltration workflow, so any stolen-data claims would rely on separate tooling Victim confirmation, access-broker records, endpoint telemetry, negotiation data, or independent incident-response reporting
HYFLOCK recovery reliability by build One build destroyed file content while another left partial recovery possible. A decryptor or payment outcome for one build does not establish recoverability for another Preserved samples, encrypted-file pairs, per-build testing, victim recovery records, and validated decryptors
Operational use of TITAN AI The ransomware service advertises automated analysis of stolen data and regulatory exposure, while Trellix provides no incident telemetry validating those capabilities Malware samples, backend records, victim forensics, negotiation transcripts, or independently verified use during an intrusion
Prevalence of credential exposure by autonomous agents Trellix documents architectural paths for secrets to move into commands, files, and model context without measuring how often those paths produce compromise Incident telemetry, secret-scanning results, agent audit logs, vendor measurements, or reproducible studies across deployed systems

Entities

Entity Type Role Status Source
ePUAP Government digital-service platform Poland disconnected the national platform after detecting and stopping foreign cyber activity. Officials later described preparations for a broader December action Confirmed money.pl, The Record
Central Information Technology Center Polish government organization Maintains ePUAP. Polish officials said its infrastructure remained secure Confirmed Wirtualna Polska
Internal Security Agency Polish security service Joined the investigation into the activity affecting ePUAP Reported Wirtualna Polska
Static Tundra Nation state activity cluster CERT Polska attribution for the December 2025 energy attack, linked to FSB Center 16. Context only Reported The Hacker News
VOODOO BEAR (aka Sandworm) Nation state adversary ESET and Dragos attribution for the December 2025 energy attack at moderate confidence. Context only Reported ESET
Operation Endgame International law-enforcement operation November action disabled or seized 235 servers and 257 domains supporting Gootloader, CastleRAT, and StealC. Authorities also recovered 6.4 million credential records and remediated 681 compromised web sites Confirmed Europol
Gootloader Malware loader and access operation Used compromised web sites and search poisoning to deliver malicious files. US authorities link the service to at least 25,000 infections and ransomware activity affecting at least 44 US victims Confirmed US Justice Department, Europol
CastleRAT Remote access trojan Remote-control malware whose infrastructure was targeted during Operation Endgame. Earlier research documented Python and C variants with different capability sets Confirmed Europol, Recorded Future
TAG-150 Threat activity cluster Recorded Future associated CastleRAT and CastleLoader infrastructure with this cluster while cautioning that CastleRAT could be obtained by other parties Reported Recorded Future
StealC Information stealer and malware-as-a-service Harvests browser data, session material, financial information, cryptocurrency wallets, and other application data. Disrupted in June 2026 and again in November after its infrastructure was rebuilt Confirmed Proofpoint and IBM X-Force, The Hacker News
United Airlines Airline Restricted unauthorized third-party personal AI agents from booking through its platforms, online travel agencies, and aggregators, citing credential exposure, unintended account changes and MileagePlus redemptions, and federal check-in rules Confirmed United Airlines, Skift
Pall Mall Process Industry Guidelines Voluntary policy framework Guidelines endorsed by fourteen governments on November 11 for companies developing, selling, or financing commercial cyber intrusion capabilities Confirmed UK Government, French Ministry for Europe and Foreign Affairs
Shahid Kaveh Nation state unit IRGC cyber unit France holds responsible for the October 11 and 12 refrigeration sabotage at about 700 supermarkets, operating mainly through hacktivist personas including CyberAv3ngers and Soldiers of Solomon Reported ComplexDiscovery
NoName057(16) and Z-Pentest Alliance Hacktivist Russian-aligned personas claiming the refrigeration campaign on November 4. DomainTools rates the claims low confidence Claimed DomainTools
Queens Public Library Victim organization Ransomware disrupted computers, wifi, checkouts, the web site, the mobile application, and other digital services across 66 branches beginning November 4 Confirmed The Record, QNS
C3RB3R Ransomware operation Targeted outdated Synology DSM devices, encrypted stored data, and demanded payment. Synology and Qihoo 360 point to different entry vulnerabilities Confirmed Synology, Gridinsoft
Synology DiskStation Manager Network-attached storage operating system Affected platform. Synology advised customers running outdated versions to update DSM Confirmed Synology
CVE-2024-10441 Vulnerability Arbitrary code execution flaw included in Synology-SA-24:20. Synology linked C3RB3R to the advisory but did not identify this CVE as the confirmed entry route Provisional Synology
CVE-2024-50629 Vulnerability File read flaw included in Synology-SA-24:20. Its specific role in C3RB3R activity is not public Provisional Synology
CVE-2024-10445 Vulnerability File write flaw included in Synology-SA-24:20. Its specific role in C3RB3R activity is not public Provisional Synology
CVE-2026-13639 and CVE-2026-13684 Vulnerability Login-logic and SCGI flaws in Synology-SA-26:13, published September 18, 2026, allowing remote arbitrary file read and write. Qihoo 360 names both as the C3RB3R entry route. Synology has not confirmed it Claimed Gridinsoft, Chinese University of Hong Kong
HYFLOCK Ransomware-as-a-service operation Operation first promoted on March 29, 2026, whose ransomware evolved across four observed generations from April through October. Check Point documented encryption, network-share access, scheduled-task registration, and attempted recovery impairment, and found no dedicated exfiltration workflow Confirmed Check Point
TITAN AI Self-described ransomware-as-a-service operation Advertises automated analysis of stolen documents and regulatory exposure. Trellix calls the technical claims grandiose and provides no incident telemetry confirming them Claimed Trellix

MITRE ATT&CK Mapping

Operation Endgame

Tactic Technique Procedure Status Source
Resource Development T1584.004, Compromise Infrastructure: Server Gootloader compromised legitimate web sites, many running WordPress, and used them as delivery infrastructure Confirmed US Justice Department
Resource Development T1608.006, Stage Capabilities: SEO Poisoning Gootloader manipulated search results so compromised web sites offering malicious legal documents reached prospective victims Reported The Hacker News
Execution T1204.002, User Execution: Malicious File Gootloader infections depended on victims downloading and opening malicious files presented as legal documents Confirmed US Justice Department, The Hacker News
Credential Access T1555.003, Credentials from Password Stores: Credentials from Web Browsers StealC collected browser credentials, autofill data, payment-card information, and data from browser extensions Reported Proofpoint and IBM X-Force
Credential Access T1539, Steal Web Session Cookie StealC collected browser cookies and session material useful for account access Reported Proofpoint and IBM X-Force
Discovery T1016.001, System Network Configuration Discovery: Internet Connection Discovery CastleRAT queried an external geolocation service to identify the infected system's public network location Reported Recorded Future
Collection T1056.001, Input Capture: Keylogging The C variant of CastleRAT included keylogging functionality Reported Recorded Future
Collection T1113, Screen Capture The C variant of CastleRAT could capture the victim's screen Reported Recorded Future
Command and Control T1071.001, Application Layer Protocol: Web Protocols StealC exchanged RC4-encrypted JSON through HTTP POST requests Reported Proofpoint and IBM X-Force
Command and Control T1105, Ingress Tool Transfer StealC supported follow-on payload delivery. CastleRAT could download and execute additional files Reported Proofpoint and IBM X-Force, Recorded Future
Exfiltration T1041, Exfiltration Over C2 Channel StealC returned collected credentials and application data through its command-and-control channel Reported Proofpoint and IBM X-Force

The CastleRAT and StealC rows describe behaviors documented in earlier family research. They support hunting for those malware families but do not establish that every behavior occurred on infrastructure seized in November.

Refrigeration Sabotage

Tactic Technique Procedure Status Source
Reconnaissance T1595, Active Scanning French authorities report Modbus reconnaissance of Schneider Electric equipment since at least April 2026 and habitual use of the FOFA scanning tool Reported ComplexDiscovery
Initial Access T1078.001, Valid Accounts: Default Accounts Affected refrigeration controllers were internet-exposed and running default configurations and passwords Reported DomainTools

The manipulation of defrost cycles and temperature settings on the controllers is an industrial control system effect and is not mapped to Enterprise ATT&CK.

Queens Public Library

Tactic Technique Procedure Status Source
Impact T1486, Data Encrypted for Impact Ransomware encrypted systems and disrupted digital services across the library network Confirmed The Record

C3RB3R

Tactic Technique Procedure Status Source
Initial Access T1190, Exploit Public-Facing Application Synology confirmed exploitation of a patched vulnerability against outdated DSM devices. Synology points to Synology-SA-24:20, while Qihoo 360 names CVE-2026-13639 and CVE-2026-13684 from Synology-SA-26:13 Provisional Synology
Impact T1486, Data Encrypted for Impact C3RB3R encrypted data on compromised network-attached storage devices and demanded payment Confirmed Synology

HYFLOCK

Tactic Technique Procedure Status Source
Execution T1059.001, Command and Scripting Interpreter: PowerShell The October 17 build launched recovery-sabotage commands through PowerShell Confirmed Check Point
Execution T1059.003, Command and Scripting Interpreter: Windows Command Shell The October 17 build launched recovery-sabotage commands through the Windows command shell Confirmed Check Point
Execution T1047, Windows Management Instrumentation The October 17 build used PowerShell CIM/WMI and WMIC in attempted shadow-copy deletion. Separate WMI/DCOM remote-deployment code is implemented but was not observed executing Confirmed Check Point
Persistence T1053.005, Scheduled Task/Job: Scheduled Task The October 17 build registered a scheduled task during controlled analysis Confirmed Check Point
Persistence T1112, Modify Registry Registry paths for file association, wallpaper, File History, and security policy are implemented in the October builds. Check Point rates the file association and wallpaper capability implemented rather than observed Reported Check Point
Stealth T1036.005, Masquerading: Match Legitimate Resource Name or Location HYFLOCK staged itself as ProgramData\EdgeUpdate_<suffix>\eu.exe, resembling a legitimate browser update component Confirmed Check Point
Stealth T1027.009, Obfuscated Files or Information: Embedded Payloads The earlier October Go carrier appended and deployed the Rust payload. The technique does not apply to the standalone October 17 build Confirmed Check Point
Stealth T1070.004, Indicator Removal: File Deletion HYFLOCK performed temporary-file cleanup and self-deletion Confirmed Check Point
Defense Impairment T1562.001, Impair Defenses: Disable or Modify Tools HYFLOCK contains security-tool impairment code, and a subset of the commands launched in July. Effectiveness was not established, and claimed BYOVD driver killing remains unverified Reported Check Point
Discovery T1083, File and Directory Discovery HYFLOCK traversed local, mounted-volume, sync-folder, and share paths to identify encryption targets Confirmed Check Point
Discovery T1046, Network Service Discovery The October 17 build performed broad TCP/445 probing across the sandbox network Confirmed Check Point
Discovery T1135, Network Share Discovery The October 17 build identified and accessed network shares during controlled analysis Confirmed Check Point
Lateral Movement T1021.002, Remote Services: SMB/Windows Admin Shares HYFLOCK performed extensive UNC and administrative-share processing. Some paths may be the sandbox host's own shares, and compromise of another host was not established Confirmed Check Point
Impact T1490, Inhibit System Recovery The October 17 build launched recovery-sabotage commands through the command shell, PowerShell, WMIC, and VSSADMIN. Outcomes varied, and complete deletion of recovery objects was not proven Confirmed Check Point
Impact T1486, Data Encrypted for Impact HYFLOCK encrypted local and network-accessible files. Implementation defects caused partial encryption or irreversible content loss in different builds Confirmed Check Point

Check Point also documents Group Policy deployment (T1484.001) and WinRM fallback deployment (T1021.006) as implemented but not observed, with Group Policy spreading disabled in the October 17 configuration. Neither is mapped as established behavior. Check Point found no initial access exploitation, credential theft, dedicated data exfiltration workflow, or executable Tor command-and-control in any analyzed build.

Indicators

The tables contain capped operational subsets. Hashes and artifacts should be used with incident context rather than as standalone blocklist entries. The C3RB3R records originate with a Qihoo 360 incident report and appear here through a university security advisory, so they remain secondary reporting. Synology has not published a campaign indicator set. The CastleRAT records come from 2025 family research and are not confirmed indicators from the November 2026 takedown. ePUAP, United Airlines, the Pall Mall Process, the refrigeration sabotage, Queens Public Library, and TITAN AI have no public operational indicators suitable for inclusion. DomainTools explicitly declines to treat its refrigeration reconnaissance IP address as a campaign indicator.

C3RB3R

Indicator Type Context Status Source
.L0CK3D File extension Extension appended to files encrypted by reported C3RB3R samples Reported Chinese University of Hong Kong
read-me3.txt Filename Reported C3RB3R ransom-note filename Reported Chinese University of Hong Kong
a1375e0f82ae86df528876c049b5a23c MD5 Reported C3RB3R malware sample Reported Chinese University of Hong Kong
c3rb3rpwdyq7bzofesaet7g3vrvnu7g26qfz3skqwseykudiodkwoqid[.]onion Onion service Reported C3RB3R payment and communication address Reported Chinese University of Hong Kong

HYFLOCK

Indicator Type Context Status Source
80c474154b1df816cf513ae978936875b6dd77f47ef6bce78dda83ab1b89525b SHA-256 July HYFLOCK loader Confirmed Check Point
ac233f0bfefb8b39ea84c61b0bec54037285caf5fe439f2c5160842fa4eea815 SHA-256 July HYFLOCK child payload Confirmed Check Point
b15482d0846ef997f9c049e77d85efeba4ab9b33550b4384052efeb1a3dcc8cc SHA-256 October Go carrier containing an embedded HYFLOCK payload Confirmed Check Point
a120f0c0defe4b6943e09f06272a86ae75d1a4524fa9bf21da25c8c0d747ef5a SHA-256 October HYFLOCK child payload Confirmed Check Point
b1f0a2fff8baab47463fa04b1ee279ef86265db24a58f7fc1b56c5576ec801db SHA-256 October 17 HYFLOCK build used in controlled analysis Confirmed Check Point
bb6fc3a93a723aba41bffc901617eab7f9e94fd5877a1e811c1b49948fb1a569
c4e603d94f0472894730d003f0de2169bb4fc2ba436cac919b44d3031201a7e4
SHA-256 Recovered October ransom note and the October 17 ransom note How to Restore My Files.txt Confirmed Check Point
.hyflock_claim
.locked_<12-character identifier>
How to Restore My Files.txt
HFLKEY01
HYFLCK03
HYFLOCK_NIS_CFG
hyflockerEncFile
File artifacts and marker Share-claim marker, encrypted-file pattern, ransom-note filename, October 17 encrypted-file trailer marker, October carrier footer marker, payload configuration marker, and encrypted-file registry association. Generic names should not be treated as malicious in isolation Confirmed Check Point

The complete Check Point report contains additional HYFLOCK sample hashes and build-specific artifacts.

CastleRAT Family Reference

Indicator Type Context Status Source
94dc0f696a46f3c225b0aa741fbd3b8997a92126d66d7bc7c9dd8097af0de52a SHA-256 CastleRAT Python sample documented in 2025 research Reported Recorded Future
401b0eb132cacd6e32d4b4af627370288f9f3e59af36ccfd43a501564937f93c SHA-256 CastleRAT Python sample documented in 2025 research Reported Recorded Future
/line/?fields=16385
/line/?fields=147505
/line/?fields=147457
URL paths External geolocation requests observed in CastleRAT research Reported Recorded Future
Thickwick3
KolokolBozhii
GoldVekRogerS
Mutex names Mutex examples documented across CastleRAT variants Reported Recorded Future

The complete Recorded Future report contains the broader CastleRAT and CastleLoader reference set. These records support family-level hunting and should not be represented as November 2026 seizure indicators.

The activity below provides technical and operational context. None of it was observed inside the ePUAP, United Airlines, Pall Mall, refrigeration, Queens Public Library, C3RB3R, HYFLOCK, or TITAN AI records unless stated. Shared malware families or policy themes do not establish shared personnel, infrastructure, tasking, or control.

Activity Relationship Status Source
Operation Endgame, June 2026 phase Authorities disrupted 296 servers and 66 domains supporting StealC and Amadey and seized more than 25.6 million credentials stolen from over 385,000 systems. StealC's appearance in the November action demonstrates reconstitution after the earlier disruption Confirmed Proofpoint and IBM X-Force
TAG-150 and CastleRAT research, 2025 Recorded Future associated CastleRAT development and CastleLoader infrastructure with TAG-150. The report also cautioned that possession of CastleRAT does not establish common control, so the relationship should not be extended to every system seized in November Reported Recorded Future
Polish energy sector attack, December 29, 2025 Wiper attacks on more than 30 wind and photovoltaic farms, a manufacturer, and a combined heat and power plant. Poland's digital affairs minister links the incident to ePUAP without published evidence Confirmed The Hacker News
European refrigeration wave, November 1 and 2, 2026 Manipulation of refrigeration controllers at retailers in at least seven more European countries, not covered by the French attribution Reported DomainTools
AI-agent credential exposure Trellix documented design patterns that move secrets from protected stores into command lines, local files, and external model context. This supports United's concern about credential delegation but does not establish an incident at the airline Reported Trellix, United Airlines