Suspicious TruffleHog Execution Spawned by Bun Runtime via Process Creation

ATT&CK techniques

Cred Access → Collection

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1552.001Credentials In Files
Discovery
Lateral Movement
Collection
- T1119Automated Collection
C2
Exfiltration
Impact

What it detects

This rule detects the Bun JavaScript runtime spawning the TruffleHog secret scanner, a behavior chain used by the Shai-Hulud worm to harvest credentials from developer and CI environments. Adversaries abuse the legitimate TruffleHog tool during package install hooks to locate secrets before exfiltrating them, so this parent-child pairing is a strong indicator of automated credential collection.

Reporting behind it

Related detections9 linkedT1552.001 — drag to rearrange

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Malicious AWS Credential Exfiltration via Curl or Wget in Process Creation

Suspicious sqlite3 Access to gcloud Cached Access Token Database (via process_creation)

Suspicious AWS GetCallerIdentity From TruffleHog User Agent via Cloudtrail

Suspicious GitHub CLI Auth Token Extraction via Command Line

Suspicious Access to macOS Login Keychain by Slow Pisces (via process_creation)

Suspicious mdfind Search for Private Key Files on macOS (via process_creation)

Suspicious TruffleHog Execution Spawned by Bun Runtime via Process Creation

Pivot detection · T1552.001 · 9 related

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

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