Suspicious Named Pipe ChromeDecryptIPC Used by Stealer (via pipe_created)

ATT&CK techniques

Cred Access

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
- T1555.003Credentials from Web Browsers
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact

What it detects

This rule detects creation of a named pipe containing ChromeDecryptIPC. Maranhao Stealer uses this pipe for reflective DLL communication when decrypting Chromium browser credentials.

Reporting behind it

Related detections9 linkedT1555.003 — drag to rearrange

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Suspicious Access to Chrome Encrypted Preference MAC Registry Values (via registry_set)

Suspicious Named Pipe ChromeDecryptIPC Used by Stealer (via pipe_created)

Pivot detection · T1555.003 · 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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