huntrule

Bitbucket Audit: Secret Scanning Rule Deleted for Project or Repository

Flags Bitbucket audit events indicating secret scanning rules were deleted at the project or repository level.

FreeReviewedSigma · Low · v5
Product
bitbucket
Service
audit
Author
Muhammad Faisal (@faisalusuf) (SigmaHQ), DRL 1.1
Published
2024-02-25
Updated
2026-07-31
AnalysisDetection

ATT&CK techniques

  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Cred Access

  9. Discovery

  10. Lateral Movement

  11. Collection

  12. C2

  13. Exfiltration

  14. Impact

What it detects

This rule flags Bitbucket audit events where a secret scanning rule is deleted at the project or repository scope. Attackers may remove or disable scanning to reduce visibility into exposed credentials and other secrets. It relies on Bitbucket audit telemetry indicating the affected scope (Projects/Repositories) and the specific deletion actions for secret scanning rules.

Reporting behind it

Related detections9 linkedT1685 — drag to rearrange
Malicious Vulnerable Driver Service Creation for BYOVD (via process_creation)
Malicious Microsoft Defender Disabled via Registry DisableAntiSpyware (via process_creation)
Suspicious Termination of Defender Tray Process via Taskkill
Malicious Windows Defender Disablement via MpCmdRun RemoveDefinitions
Malicious Unsigned VIB Installation on ESXi Host via esxcli (via process_creation)
Suspicious In-Memory PowerShell Execution from Web Server via Automation Assembly (via image_load)
Malicious EDR Evasion Driver Load from AnyDesk Directory via k.sys (via image_load)
Malicious Zemana Vulnerable Driver Load for EDR Termination (via image_load)
Suspicious EDRKillShifter Vulnerable Driver Load from User Temp Directory (via image_load)
Bitbucket Audit: Secret Scanning Rule Deleted for Project or Repository
Pivot detection · T1685 · 9 related

Changelog

v5
  1. v5
    Candidate ingested via manual entry.2026-07-31
  2. v4
    Candidate ingested via manual entry.2026-07-31
  3. v3
    Candidate ingested via manual entry.2026-07-31
  4. v2
    Candidate ingested via manual entry.2026-07-31
  5. v1
    No changelog recorded for this version.2026-07-30

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.