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Validation disclaimer: TTP overlap, actor similarity, generated summaries, and coverage findings are investigation leads, not attribution proof or operational validation without analyst review.

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G0003 · 5 ATT&CK techniques · 0 correlated reports

Cleaver

Aliases: Threat Group 2889, TG-2889

Cleaver is a threat group that has been attributed to Iranian actors and is responsible for activity tracked as Operation Cleaver. Strong circumstantial evidence suggests Cleaver is linked to Threat Group 2889 (TG-2889).

Open interactive actor investigation

ATT&CK techniques

T1003.001
LSASS Memory T1557.002
ARP Cache Poisoning T1588.002
Tool T1587.001
Malware T1585.001
Social Media Accounts

Correlated CTI and IR reports

Continue the investigation

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Cyber Knowledge routes

These contextual routes explain behaviors associated with this ATT&CK group record. They support learning and investigation planning; they do not add attribution evidence.