A newer version is available. For the latest information, see the
current release documentation.
Potential Shell via Web Serveredit
Identifies suspicious commands executed via a web server, which may suggest a vulnerability and remote shell access.
Rule indices:
- auditbeat-*
Severity: medium
Risk score: 47
Runs every: 5 minutes
Searches indices from: now-6m (Date Math format, see also Additional look-back time
)
Maximum signals per execution: 100
References:
Tags:
- Elastic
- Linux
Rule version: 2 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 7.6.1
Potential false positivesedit
Network monitoring or management products may have a web server component that runs shell commands as part of normal behavior.
Rule queryedit
process.name: bash and user.name: (apache or www or "www-data") and event.action:executed
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/techniques/TA0003/
-
Technique:
- Name: Web Shell
- ID: T1100
- Reference URL: https://attack.mitre.org/techniques/T1100/