IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Interactive Terminal Spawned via Perl
editInteractive Terminal Spawned via Perl
editIdentifies 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-*
- logs-endpoint.events.*
- endgame-*
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:
- Domain: Endpoint
- OS: Linux
- Use Case: Threat Detection
- Tactic: Execution
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 107
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editevent.category:process and host.os.type:linux and event.type:(start or process_started) and process.name:perl and process.args:("exec \"/bin/sh\";" or "exec \"/bin/dash\";" or "exec \"/bin/bash\";")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: Command and Scripting Interpreter
- ID: T1059
- Reference URL: https://attack.mitre.org/techniques/T1059/