IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
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.*
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: 7
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type in ("start", "process_started") 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" )
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/