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NIK C2 Go Implant Abusing OpenAI: Detection & IOCs

NIK C2's Go implant sends prompts to OpenAI with the victim's own API key. Includes 9 detection rules, 25 IOCs and a free Splunk SPL rule.

Read the full threat intel for NIK C2 Go Implant Abusing OpenAI: Detection & IOCs →

Chapters

  1. 0:00The hookAI malware with 52 commands: ransomware and espionage.
  2. 0:05The storyLate 2024 samples appeared.
  3. 0:11Attack pathIt checks for debuggers, disabling defenses.
  4. 0:27AttributionNo threat actor: this was defensive research.
  5. 0:32Indicators of compromise21 indicators to hunt: 2 IPs, 1 domain and 2 URLs, and more.
  6. 0:38MITRE ATT&CK techniques25 ATT&CK techniques, from execution to command and control.
  7. 0:43Remediation10 remediation steps are listed, 4 of them immediate.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00AI malware with 52 commands: ransomware and espionage.

0:05Late 2024 samples appeared.

0:08Talos disclosed an active C2 server.

0:11It checks for debuggers, disabling defenses.

0:14Then persists via registry and COM.

0:17Connects over encrypted TLS with pinning.

0:20Runs prompts on the victim's API key.

0:22Displays a lock screen ransomware message.

0:28No threat actor: this was defensive research.

0:3221 indicators to hunt: 2 IPs, 1 domain and 2 URLs, and more.

0:3925 ATT&CK techniques, from execution to command and control.

0:4410 remediation steps are listed, 4 of them immediate.

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

0:56Threadlinqs. The unified security engineering platform.