Suspicious Process Execution via Renamed PsExec Executable
editSuspicious Process Execution via Renamed PsExec Executable
editIdentifies suspicious psexec activity which is executing from the psexec service that has been renamed, possibly to evade detection.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: medium
Risk score: 47
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:
- Elastic
- Host
- Windows
- Threat Detection
- Execution
Version: 101
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type == "start" and process.pe.original_file_name : "psexesvc.exe" and not process.name : "PSEXESVC.exe"
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Execution
- ID: TA0002
- Reference URL: https://attack.mitre.org/tactics/TA0002/
-
Technique:
- Name: System Services
- ID: T1569
- Reference URL: https://attack.mitre.org/techniques/T1569/
-
Sub-technique:
- Name: Service Execution
- ID: T1569.002
- Reference URL: https://attack.mitre.org/techniques/T1569/002/