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AsyncRAT via Fake GitHub Security Tools: Detection & IOCs

Fake GitHub security tools deliver AsyncRAT and an infostealer; 9 detection rules, 52 IOCs and a free Splunk SPL rule cover it.

Read the full threat intel for AsyncRAT via Fake GitHub Security Tools: Detection & IOCs →

Chapters

  1. 0:00The hookFake GitHub tools infected about ~2,000 systems.
  2. 0:04The storyFor two years, trojans hid in GitHub tools.
  3. 0:10Attack pathBuilding the project triggered malware.
  4. 0:26AttributionNo threat actor is attributed.
  5. 0:31Indicators of compromise47 indicators to hunt: 2 IPs, 4 domains and 11 URLs, and more.
  6. 0:38MITRE ATT&CK techniques25 ATT&CK techniques, from resource development to impact.
  7. 0:43Remediation5 steps now: Hunt for and block the published Dr[.]Web IOCs.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Fake GitHub tools infected about ~2,000 systems.

0:05For two years, trojans hid in GitHub tools.

0:11Building the project triggered malware. PowerShell downloaded the loader from Pastebin.

0:16The loader patched security APIs and disabled antivirus.

0:20Remote access, clipper, stealer exfiltrated via Telegram.

0:27No threat actor is attributed. Confidence: low.

0:3147 indicators to hunt: 2 IPs, 4 domains and 11 URLs, and more.

0:3925 ATT&CK techniques, from resource development to impact.

0:445 steps now: Hunt for and block the published Dr[.]Web IOCs.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.