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Svchost spawning Cmdedit
Identifies a suspicious parent child process relationship with cmd.exe descending from svchost.exe
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
Severity: low
Risk score: 21
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: 11
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guideedit
## 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.
Rule queryedit
process where event.type == "start" and
process.parent.name : "svchost.exe" and process.name : "cmd.exe" and
not (process.pe.original_file_name : "cmd.exe" and process.args : (
"??:\\Program Files\\Npcap\\CheckStatus.bat?",
"?:\\Program Files\\Npcap\\CheckStatus.bat",
"\\system32\\cleanmgr.exe",
"?:\\Windows\\system32\\silcollector.cmd",
"\\system32\\AppHostRegistrationVerifier.exe",
"\\system32\\ServerManagerLauncher.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/