Cyber Resilience

Threat actor · all actors

Group5G0043 unknown

aka Group5, G0043

Last updated: 2026-08-20

0attributed CVEs
7ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
—years active

About this actor

[Group5](https://attack.mitre.org/groups/G0043) is a threat group with a suspected Iranian nexus, though this attribution is not definite. The group has targeted individuals connected to the Syrian opposition via spearphishing and watering holes, normally using Syrian and Iranian themes. [Group5](https://attack.mitre.org/groups/G0043) has used two commonly available remote access tools (RATs), [njRAT](https://attack.mitre.org/software/S0385) and [NanoCore](https://attack.mitre.org/software/S0336), as well as an Android RAT, DroidJack. (Citation: Citizen Lab Group5)

Source: MITRE ATT&CK

Names & naming systems

Each vendor coins its own name for the same actor. Where a name follows a known scheme we attribute it; the rest are listed honestly as unclassified.

MITRE ATT&CKG-number catalogue id

G0043

Unclassifiedno scheme matched

Group5

How we know this

Data origin
MITRE ATT&CK Imported from the MITRE ATT&CK STIX bundle as an intrusion-set object.
Techniques
MITRE ATT&CK STIX mappings — 7 ATT&CK techniques on file.
Named victims
None on file.

See how actor data is built for the full pipeline.

Activity timeline

No activity events recorded.

Profile

CVERiskCVSSEPSSPublishedProducts
No attributed CVEs.

Mitigating controls (NIST 800-53)

ControlTechniques coveredCoverage
SI-33 / 743%
AC-32 / 729%
CM-22 / 729%
CM-62 / 729%
SI-42 / 729%
SI-72 / 729%
AC-161 / 714%
AC-171 / 714%
AC-181 / 714%
AC-21 / 714%
AC-51 / 714%
AC-61 / 714%
CA-71 / 714%
CM-71 / 714%
CP-61 / 714%

Co-occurring actors

None.

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