Suspicious Credential Search via findstr for Password Strings (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 findstr executed to search files for the keyword password. The Lumma infostealer uses findstr to locate plaintext credentials stored in local files, harvesting secrets for exfiltration and follow-on account compromise.

Reporting behind it

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Suspicious Credential Search via findstr for Password Strings (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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