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GitHub Actions Injection Hits 61 Repos: Detection & IOCs

Attackers injected Bash command substitution payloads through GitHub Actions issue and PR text. 9 detection rules, 14 IOCs and a free Splunk SPL rule.

Read the full threat intel for GitHub Actions Injection Hits 61 Repos: Detection & IOCs →

Chapters

  1. 0:00The hook83 command injection attacks on GitHub.
  2. 0:04The story61 repositories targeted.
  3. 0:11Attack pathAccording to Radware, attackers posted malicious content to 61 repositories.
  4. 0:27AttributionNo threat actor is attributed.
  5. 0:32Indicators of compromise2 indicators to hunt: 1 IP and 1 URL.
  6. 0:37MITRE ATT&CK techniques11 ATT&CK techniques, from resource development to exfiltration.
  7. 0:43Remediation13 remediation steps are listed, 5 of them immediate.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:0083 command injection attacks on GitHub.

0:0561 repositories targeted.

0:07Hidden commands triggered instant execution.

0:11According to Radware, attackers posted malicious content to 61 repositories.

0:17Hidden commands triggered workflows.

0:19Runners dumped environment variables.

0:22But theft and compromise weren't confirmed.

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

0:322 indicators to hunt: 1 IP and 1 URL.

0:3811 ATT&CK techniques, from resource development to exfiltration.

0:4313 remediation steps are listed, 5 of them immediate.

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

0:56Threadlinqs. The unified security engineering platform.