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Unusual Parent Process for cmd.exe
editUnusual Parent Process for cmd.exe
editIdentifies a suspicious parent child process relationship with cmd.exe descending from an unusual process.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
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:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Execution
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 108
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess where host.os.type == "windows" and event.type == "start" and process.name : "cmd.exe" and process.parent.name : ("lsass.exe", "csrss.exe", "epad.exe", "regsvr32.exe", "dllhost.exe", "LogonUI.exe", "wermgr.exe", "spoolsv.exe", "jucheck.exe", "jusched.exe", "ctfmon.exe", "taskhostw.exe", "GoogleUpdate.exe", "sppsvc.exe", "sihost.exe", "slui.exe", "SIHClient.exe", "SearchIndexer.exe", "SearchProtocolHost.exe", "FlashPlayerUpdateService.exe", "WerFault.exe", "WUDFHost.exe", "unsecapp.exe", "wlanext.exe" ) and not (process.parent.name : "dllhost.exe" and process.parent.args : "/Processid:{CA8C87C1-929D-45BA-94DB-EF8E6CB346AD}")
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/