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LowSigmaHQSwachchhanda Shrawn Poudel (Nextron Systems)

Linux Sudo Chroot Execution

Detects the execution of 'sudo' command with '--chroot' option, which is used to change the root directory for command execution. Attackers may use this technique to evade detection and execute commands in a modified…

Description

Detects the execution of 'sudo' command with '--chroot' option, which is used to change the root directory for command execution. Attackers may use this technique to evade detection and execute commands in a modified environment. This can be part of a privilege escalation strategy, as it allows the execution of commands with elevated privileges in a controlled environment as seen in CVE-2025-32463. While investigating, look out for unusual or unexpected use of 'sudo --chroot' in conjunction with other commands or scripts such as execution from temporary directories or unusual user accounts.

Detection logic

Detection requirements

Platform
ContainersLinuxmacOSWindows

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

  • Legitimate administrative tasks or scripts that use 'sudo --chroot' for containerization, testing, or system management.

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