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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/