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Cyber Anarchy Squad (C.A.S.), also known as CAS and CyberAnarchySquad, is a pro-Ukraine hacktivist group active since 2022. It targets organizations in Russia and Belarus, including telecommunications providers, technology and cybersecurity companies, industrial enterprises, entertainment businesses, and government-linked entities. Its operations emphasize disruption, data destruction, and financial and reputational damage rather than conventional profit-driven cybercrime. In June 2024, the group claimed ransomware attacks against Russian networks without seeking financial gain. The group obtains initial access by exploiting vulnerabilities in public-facing services, including Jira, Confluence, and Microsoft SQL Server. It extensively uses publicly available tools, including Revenge RAT, Spark RAT, and Metasploit Meterpreter. Its techniques include establishing persistence through additional administrator accounts and malware autostart mechanisms, collecting system and user information, stealing credentials with tools such as Mimikatz, disabling endpoint protection, configuring security exclusions, and disguising malware as legitimate Windows components. Cyber Anarchy Squad has used ransomware generated from leaked LockBit and Babuk builders against Windows and Linux systems, respectively, and has also destroyed Linux data by overwriting partitions. Joint activity with Hacking Cat has involved ClearWater ransomware. The group steals and publicly releases victim information and uses Telegram to announce attacks, disseminate stolen data, and coordinate operations. Cyber Anarchy Squad collaborates with Hacking Cat, Ukrainian Cyber Alliance, RUH8, RM-RF, and DARKSTAR. These relationships involve sharing tools, command-and-control infrastructure, and access to compromised networks. Such operational sharing complicates attribution of individual intrusions and malware deployments to a single group.
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Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
Geographies tied to known operations.
Attributed origin per open-source reporting.
32 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
1 CVE this actor has used in observed campaigns. 1 of them exploited in the wild.
118 indicators attributed to this actor: domains, IPs, hashes, and other artifacts pulled from reporting. View more in app.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A pro-Ukraine hacktivist group collaborating with Hacking Cat, including in operations delivering ClearWater ransomware against Russian organizations.
Pro-Ukraine hacktivist group identified as a coordination partner of Hacking Cat in high-impact disruptive operations.
Pro-Ukraine hacktivist group that jointly claimed a breach of a contractor serving Rosatom with Hacking Cat.
Collaborated with Hacking Cat in an incident involving deployment of the ClearWater ransomware.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.