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Cleaver, also tracked as TG-2889 and Threat Group 2889, is an Iran-linked threat group first publicly tracked in 2014. Its targets include aviation, transportation, energy, military, health care, and utilities organizations across multiple regions. Documented target countries include China, France, Germany, India, Israel, Saudi Arabia, and the United States. Cleaver combines publicly available administrative and offensive tools with customized payloads. It has used Mimikatz and Windows Credential Editor to dump credentials, including credentials from Windows LSASS memory, and has obtained and used PsExec. Its custom tooling supports ARP poisoning, encryption, credential dumping, ASP.NET shells, web backdoors, process enumeration, Windows Management Instrumentation queries, HTTP and SMB communications, network-interface sniffing, and keystroke logging. These capabilities support credential access, discovery, and post-compromise control of victim systems. The group has also created fictitious LinkedIn profiles containing photographs, biographical details, and connections for use in targeting and social engineering.
Who, where, and from where this actor operates. 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.
15 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt.
2 malware families Mallory has associated with this actor across public reporting.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.