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

ATT&CK techniques

Cred Access

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

What it detects

This rule detects command-line access to the macOS login.keychain-db file, which Slow Pisces targets to steal stored credentials alongside SSH keys during its developer-focused intrusions. Reading the login keychain exposes saved passwords and tokens for further account compromise.

Reporting behind it

Related detections9 linkedT1552.001 — drag to rearrange

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Suspicious sqlcipher Decryption of Signal Database by WAVESIGN (via process_creation)

Suspicious Cloud Instance Metadata Access via Command Line Tool

Suspicious Environment Variable Dump Piped to Base64 for CI Credential Exfil

Suspicious Access to macOS Login Keychain by Slow Pisces (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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