Sigma Rule Library

PUA - AWS TruffleHog Execution

Detects the execution of TruffleHog, a popular open-source tool used for scanning repositories for secrets and sensitive information, within an AWS environment. It has been reported to be used by threat actors for credential harvesting. All detections should be investigated to determine if the usage is authorized by security teams or potentially malicious.

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Detection logic

selection

userAgent: TruffleHog

Condition

selection

Raw YAML

title: PUA - AWS TruffleHog Execution
id: a840e606-7c8c-4684-9bc1-eb6b6155127f
status: experimental
description: |
    Detects the execution of TruffleHog, a popular open-source tool used for scanning repositories for secrets and sensitive information, within an AWS environment.
    It has been reported to be used by threat actors for credential harvesting. All detections should be investigated to determine if the usage is authorized by security teams or potentially malicious.
references:
    - https://github.com/trufflesecurity/trufflehog
    - https://www.rapid7.com/blog/post/tr-crimson-collective-a-new-threat-group-observed-operating-in-the-cloud/
author: Swachchhanda Shrawan Poudel (Nextron Systems)
date: 2025-10-21
tags:
    - attack.credential-access
    - attack.t1555
    - attack.t1003
logsource:
    product: aws
    service: cloudtrail
detection:
    selection:
        userAgent: 'TruffleHog'
    condition: selection
falsepositives:
    - Legitimate use of TruffleHog by security teams for credential scanning.
level: medium

False positives

  • Legitimate use of TruffleHog by security teams for credential scanning.

References

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