Interactive Terminal Spawned via Pythonedit

Identifies when a terminal (tty) is spawned via Python. Attackers may upgrade a simple reverse shell to a fully interactive tty after obtaining initial access to a host.

Rule type: query

Rule indices:

  • auditbeat-*

Severity: high

Risk score: 73

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100

Tags:

  • Elastic
  • Linux

Version: 1

Added (Elastic Stack release): 7.8.0

Rule queryedit

event.action:executed and process.name:python and
process.args:("import pty; pty.spawn(\"/bin/sh\")" or "import pty;
pty.spawn(\"/bin/dash\")" or "import pty; pty.spawn(\"/bin/bash\")")

Threat mappingedit

Framework: MITRE ATT&CKTM