Linux Restricted Shell Breakout via apt/apt-get Changelog Escapeedit

Identifies Linux binary apt/apt-get abuse to breakout out of restricted shells or environments by spawning an interactive system shell. The apt utility allows us to manage installation and removal of softwares on Debian based Linux distributions and the activity of spawning shell is not a standard use of this binary for a user or system administrator. It indicates a potentially malicious actor attempting to improve the capabilities or stability of their access.

Rule type: eql

Rule indices:


Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100



  • Elastic
  • Host
  • Linux
  • Threat Detection
  • Execution
  • GTFOBins

Version: 1

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

process where event.type == "start" and == "sensible-pager" and
  process.args in ("/bin/sh", "/bin/bash", "/bin/dash", "sh", "bash", "dash") and in ("apt", "apt-get") and process.parent.args == "changelog"