The SIEM app is now a part of the Elastic Security solution.
Click
here to view the current documentation.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
IMPORTANT: No additional bug fixes or documentation updates will be released for this version.
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
Tags:
- Elastic
- Linux
Version: 1
Added (Elastic Stack release): 7.8.0
Rule queryedit
event.action:executed and process.name:perl and process.args:("exec
\"/bin/sh\";" or "exec \"/bin/dash\";" or "exec \"/bin/bash\";")
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command-Line Interface
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/