Cleaver is a threat group that has been attributed to Iranian actors and is responsible for activity tracked as Operation Cleaver. 1 Strong circumstantial evidence suggests Cleaver is linked to Threat Group 2889 (TG-2889). 2
- Cylance Cleaver
- Dell Threat Group 2889
Claims and citations
Every claim comes from a writer; provenance is the writer's assertion, not a review verdict from this directory. Validity reads by citation year.
| predicate | object | Valid | Conf. | Evidence |
|---|---|---|---|---|
| also_known_as | Cleaver | — → … | 100 | src_mitre_attck_enterprise |
| also_known_as | Threat Group 2889 | — → … | 100 | src_mitre_attck_enterprise |
| also_known_as | TG-2889 | — → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1003.001 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1557.002 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1588.002 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1587.001 | 2017 → … | 100 | src_mitre_attck_enterprise |
| uses_technique | tech_t1585.001 | 2017 → … | 100 | src_mitre_attck_enterprise |
Technique use
| ATT&CK | Technique | platforms |
|---|---|---|
| T1003.001 | LSASS Memory | — |
| T1557.002 | ARP Cache Poisoning | — |
| T1585.001 | Social Media Accounts | — |
| T1587.001 | Malware | — |
| T1588.002 | Tool | — |
Aliases
Cleaver · TG-2889 · Threat Group 2889
Reading and review
Records are auto-ingested and not human-reviewed. Confidence is the writer's 0–100 value; bands split at ≥80 / 50–79 / <50 into high / medium / low. The four trust axes (synthetic, lifecycle, band, source count) stay separate and never merge into one score.