Identifies suspicious psexec activity which is executing from the psexec service that has been renamed, possibly to evade detection.
Rule type: eql
Risk score: 47
Runs every: 5m
Maximum alerts per execution: 100
- Threat Detection
Rule license: Elastic License v2
## Config If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
process where event.type in ("start", "process_started", "info") and process.pe.original_file_name : "psexesvc.exe" and not process.name : "PSEXESVC.exe"
Framework: MITRE ATT&CKTM
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
- Name: System Services
- ID: T1569
- Reference URL: https://attack.mitre.org/techniques/T1569/
- Name: Service Execution
- ID: T1569.002
- Reference URL: https://attack.mitre.org/techniques/T1569/002/