Suspicious Dscl Authonly Password Validation via BANSHEE Credential Phishing

PremiumReviewedSigma · Medium · v1
Product
macos
Category
process_creation
Author
HuntRule
Published
2026-09-17
Updated
2026-09-17

ATT&CK techniques

Cred Access → Collection
  1. Recon

  2. Resource Dev

  3. Initial Access

  4. Execution

  5. Persistence

  6. Priv Esc

  7. Defense Evasion

  8. Discovery

  9. Lateral Movement

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects the dscl directory service utility invoked against the local node with the authonly option which BANSHEE uses to validate a password harvested through an AppleScript phishing dialog. Adversaries confirm stolen macOS account credentials before using them for further access and keychain theft.

Related detections9 linkedT1555.001 — drag to rearrange
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macOS Keychain Credential Dump via security find-certificate/export and dump-keychain
macOS GUI Credential Prompt Capture via osascript
Windows Process Creation: Mouse Lock Execution with “Misc314” Indicator
Suspicious Dscl Authonly Password Validation via BANSHEE Credential Phishing
Pivot detection · T1555.001 · 9 related

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