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MediumSigmaHQChristopher Peacock @securepeacock +1

Chmod Targeting Sensitive Directories

Detects chmod targeting files in sensitive directory paths on Linux systems. Attackers may use chmod to change permissions of files in these directories to maintain persistence, escalate privileges, or disrupt system…

Description

Detects chmod targeting files in sensitive directory paths on Linux systems. Attackers may use chmod to change permissions of files in these directories to maintain persistence, escalate privileges, or disrupt system operations.

Detection logic

Detection requirements

Platform
LinuxmacOS

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source product
linux
Log source category
process_creation

Known benign triggers

  • Some false positives are to be expected. Apply additional filters as needed before pushing to production.

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