From 6560a6cc2084e8103dd3e053a4dd90aecc1df956 Mon Sep 17 00:00:00 2001
From: Swachchhanda Shrawan Poudel
 <87493836+swachchhanda000@users.noreply.github.com>
Date: Wed, 29 Oct 2025 16:25:20 +0545
Subject: [PATCH] Merge PR #5711 from @swachchhanda000 - Add `PUA - AWS
 TruffleHog Execution`

Co-authored-by: Nasreddine Bencherchali <nasreddineb@splunk.com>
---
 .../aws_cloudtrail_pua_trufflehog.yml         | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 rules/cloud/aws/cloudtrail/aws_cloudtrail_pua_trufflehog.yml

diff --git a/rules/cloud/aws/cloudtrail/aws_cloudtrail_pua_trufflehog.yml b/rules/cloud/aws/cloudtrail/aws_cloudtrail_pua_trufflehog.yml
new file mode 100644
index 000000000..23ade8c01
--- /dev/null
+++ b/rules/cloud/aws/cloudtrail/aws_cloudtrail_pua_trufflehog.yml
@@ -0,0 +1,25 @@
+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