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hayabusa/rules/Sigma/sysmon_wsman_provider_image_load.yml
2021-11-14 11:00:56 +09:00

53 lines
1.7 KiB
YAML

title: Suspicious WSMAN Provider Image Loads
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2020/06/24
description: Detects signs of potential use of the WSMAN provider from uncommon processes
locally and remote execution.
detection:
SELECTION_1:
EventID: 7
SELECTION_10:
Image: '*\svchost.exe'
SELECTION_11:
OriginalFileName: WsmWmiPl.dll
SELECTION_2:
EventID: 7
SELECTION_3:
ImageLoaded: '*\WsmSvc.dll'
SELECTION_4:
ImageLoaded: '*\WsmAuto.dll'
SELECTION_5:
ImageLoaded: '*\Microsoft.WSMan.Management.ni.dll'
SELECTION_6:
OriginalFileName: WsmSvc.dll
SELECTION_7:
OriginalFileName: WSMANAUTOMATION.DLL
SELECTION_8:
OriginalFileName: Microsoft.WSMan.Management.dll
SELECTION_9:
Image: '*\powershell.exe'
condition: (SELECTION_1 and ((SELECTION_2 and ((SELECTION_3 or SELECTION_4 or
SELECTION_5) or (SELECTION_6 or SELECTION_7 or SELECTION_8)) and not (SELECTION_9))
or (SELECTION_10 and SELECTION_11)))
falsepositives:
- Unknown
id: ad1f4bb9-8dfb-4765-adb6-2a7cfb6c0f94
level: medium
logsource:
category: image_load
product: windows
references:
- https://twitter.com/chadtilbury/status/1275851297770610688
- https://bohops.com/2020/05/12/ws-management-com-another-approach-for-winrm-lateral-movement/
- https://docs.microsoft.com/en-us/windows/win32/winrm/windows-remote-management-architecture
- https://github.com/bohops/WSMan-WinRM
status: experimental
tags:
- attack.execution
- attack.t1059.001
- attack.lateral_movement
- attack.t1021.003
yml_filename: sysmon_wsman_provider_image_load.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/image_load