Interactive Terminal Spawned via Perledit

Identifies when a terminal (tty) is spawned via Perl. 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


  • Elastic
  • Linux

Version: 1

Added (Elastic Stack release): 7.8.0

Rule queryedit

event.action:executed and and process.args:("exec
\"/bin/sh\";" or "exec \"/bin/dash\";" or "exec \"/bin/bash\";")

Threat mappingedit