Updated Rule

Completed the following updates on the rule:
- Modified the title
- incremented 4 spaces for references and tags
- updated author
- updated description in detection section. 
- Removed the service: Sysmon, updated selection1.
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Cyb3rEng 2021-08-31 21:54:32 -06:00 committed by GitHub
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@ -1,25 +1,23 @@
title: LOLBins process creations with Wmiprvse parent process(sysmon)
title: LOLBins Process Created With WmiPrvSE
description: This rule will monitor LOLBin process creations by wmiprvse. Add more LOLBins to rule logic if needed.
references:
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
- https://github.com/vadim-hunter/Detection-Ideas-Rules/blob/main/Threat%20Intelligence/The%20DFIR%20Report/20210329_Sodinokibi_(aka_REvil)_Ransomware.yaml
author: "Idea by: Vadim Khrykov"
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
- https://github.com/vadim-hunter/Detection-Ideas-Rules/blob/main/Threat%20Intelligence/The%20DFIR%20Report/20210329_Sodinokibi_(aka_REvil)_Ransomware.yaml
author: "Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule)"
tags:
- attack.t1204.002
- attack.t1047
- attack.t1218.010
- attack.execution
- attack.defence_evasion
- attack.t1204.002
- attack.t1047
- attack.t1218.010
- attack.execution
- attack.defence_evasion
status: experimental
Date: 2021/23/8
logsource:
product: Windows
service: Sysmon
category: process_creation
detection:
description: add more LOLBins to the rules logic of your choice.
#useful_information: add more LOLBins to the rules logic of your choice.
selection1:
EventLog: Microsoft-Windows-Sysmon/Operational
EventID: 1
selection2:
Image|endswith:
@ -34,4 +32,4 @@ detection:
condition: selection1 AND selection2 AND selection3
falsepositives:
- "FPs are possible here, but some LOLBins weren't excluded for obvious reasons."
level: high
level: high