SigmaHQ/rules/windows/sysmon/sysmon_susp_svchost.yml

title: Suspicious Svchost Process
status: experimental
description: Detects a suspicious svchost process start 
author: Florian Roth
date: 2017/08/15
logsource:
    product: windows
    service: sysmon
detection:
    selection:
        EventID: 1
        Image: '*\svchost.exe'
    filter:
        ParentImage: 
            - '*\services.exe'
            - '*\MsMpEng.exe'
    condition: selection and not filter
fields:
    - CommandLine
    - ParentCommandLine
tags:
    - attack.defense_evasion
falsepositives:
    - Unknown
level: high
Rule: Suspicious svchost.exe process 2017-08-31 09:07:45 +00:00			`title: Suspicious Svchost Process`
			`status: experimental`
fix: typo in rule description 2018-07-03 11:05:18 +00:00			`description: Detects a suspicious svchost process start`
Rule: Suspicious svchost.exe process 2017-08-31 09:07:45 +00:00			`author: Florian Roth`
			`date: 2017/08/15`
			`logsource:`
			`product: windows`
			`service: sysmon`
			`detection:`
			`selection:`
			`EventID: 1`
			`Image: '*\svchost.exe'`
			`filter:`
fix: false positive with MsMpEng.exe and svchost.exe as child process 2018-07-03 11:04:58 +00:00			`ParentImage:`
			`- '*\services.exe'`
			`- '*\MsMpEng.exe'`
Rule: Suspicious svchost.exe process 2017-08-31 09:07:45 +00:00			`condition: selection and not filter`
Added field names to first rules 2017-09-12 21:54:04 +00:00			`fields:`
			`- CommandLine`
			`- ParentCommandLine`
added att&ck tactic added att&ck tactic, no specific techniques applicable 2018-08-07 06:36:53 +00:00			`tags:`
			`- attack.defense_evasion`
Rule: Suspicious svchost.exe process 2017-08-31 09:07:45 +00:00			`falsepositives:`
			`- Unknown`
			`level: high`