MediumSigmaHQ Peter Matkovski +1

Unix Shell Configuration Modification

Detect unix shell configuration modification. Adversaries may establish persistence through executing malicious commands triggered when a new shell is opened.

Detection logic

Detection requirements

Platform: Linux macOS
The rule states no platform. This is derived from the ATT&CK technique it maps to.
Log source product: linux
Log source service: auditd

Known benign triggers

Admin or User activity are expected to generate some false positives

References

Links the source published beside this detection. Reference is the link the source wrote, unmodified. Class is decided by this catalogue from the host and path, not stated by the source. Cited by counts published detections citing the same resource, including this one, and the sources beneath it count the repositories this catalogue ingests, which is not the same as independent research.
Reference	Class	Cited by
objective-see.org/blog/blog_0x68.html	Unclassified	Only this detection cites it
web.archive.org/web/20221204161143/https://www.glitch-cat.com/p/green-lambert-and-attack	Unclassified	Only this detection cites it
www.anomali.com/blog/pulling-linux-rabbit-rabbot-malware-out-of-a-hat	Unclassified	2from 2 sources

Detection rules

Unix Shell Configuration Modification

Detection logic

Detection requirements

Known benign triggers

MITRE ATT&CK mappings

References

From the source

Licence

Authorship

Detection rules