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-*
  • logs-endpoint.events.*

Severity: high

Risk score: 73

Runs every: 5m

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

Maximum alerts per execution: 100

References: None

Tags:

  • Elastic
  • Host
  • Linux
  • Threat Detection
  • Execution

Version: 101

Rule authors:

  • Elastic

Rule license: Elastic License v2

Rule queryedit

event.category:process and event.type:(start or process_started) 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\")")

Framework: MITRE ATT&CKTM