Suspicious PUA - AWS TruffleHog Execution (via cloudtrail)

This rule 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 use is authorized by security teams or potentially malicious.

SigmamediumCloudv1
sigma
title: Suspicious PUA - AWS TruffleHog Execution (via cloudtrail)
id: c43bf3a6-3fc6-5d9f-84cc-d81c47903a47
status: stable
description: This rule 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 use is authorized by security teams or potentially malicious.
references:
    - https://attack.mitre.org/techniques/T1003/
    - https://attack.mitre.org/techniques/T1555/
    - https://github.com/trufflesecurity/trufflehog
    - https://www.rapid7.com/blog/post/tr-crimson-collective-a-new-threat-group-observed-operating-in-the-cloud/
author: Huntrule Team
date: 2026-05-15
tags:
    - attack.credential-access
    - attack.t1555
    - attack.t1003
logsource:
    product: aws
    service: cloudtrail
detection:
    selection:
        userAgent: 'TruffleHog'
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

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