42 lines
1.3 KiB
YAML
42 lines
1.3 KiB
YAML
title: EDR WMI Command Execution by Office Applications
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author: Vadim Khrykov (ThreatIntel), Cyb3rEng (Rule)
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date: 2021/08/23
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description: Initial execution of malicious document calls wmic Win32_Process::Create
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to execute the file with regsvr32
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detection:
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SELECTION_1:
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EventLog: EDR
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SELECTION_2:
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EventType: WMIExecution
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SELECTION_3:
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WMIcommand: '*Win32_Process\:\:Create*'
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SELECTION_4:
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Image: '*\winword.exe'
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SELECTION_5:
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Image: '*\excel.exe'
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SELECTION_6:
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Image: '*\powerpnt.exe'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and (SELECTION_4 or SELECTION_5
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or SELECTION_6))
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falsepositives:
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- Unknown
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id: 3ee1bba8-b9e2-4e35-bec5-7fb66b6b3815
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level: high
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logsource:
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category: edr
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product: windows
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modified: 2021/11/09
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references:
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- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware/
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- https://github.com/vadim-hunter/Detection-Ideas-Rules/blob/main/Threat%20Intelligence/The%20DFIR%20Report/20210329_Sodinokibi_(aka_REvil)_Ransomware.yaml
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status: experimental
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tags:
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- attack.t1204.002
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- attack.t1047
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- attack.t1218.010
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- attack.execution
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- attack.defense_evasion
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yml_filename: edr_command_execution_by_office_applications.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/edr
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