Nasreddine Bencherchali
33 lines
1.1 KiB
YAML
Executable File
33 lines
1.1 KiB
YAML
Executable File
title: Suspect Svchost Memory Asccess
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id: 166e9c50-8cd9-44af-815d-d1f0c0e90dde
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status: experimental
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description: Detects suspect access to svchost process memory such as that used by Invoke-Phantom to kill the winRM windows event logging service.
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references:
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- https://github.com/hlldz/Invoke-Phant0m
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- https://twitter.com/timbmsft/status/900724491076214784
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author: Tim Burrell
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date: 2020/01/02
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modified: 2022/11/01
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tags:
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- attack.defense_evasion
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- attack.t1562.002
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logsource:
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category: process_access
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product: windows
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detection:
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selection:
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TargetImage|endswith: '\WINDOWS\System32\svchost.exe'
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GrantedAccess: '0x1F3FFF'
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CallTrace|contains: 'UNKNOWN'
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filter_msbuild:
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SourceImage|startswith: 'C:\Program Files\Microsoft Visual Studio\'
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SourceImage|endswith: '\MSBuild\Current\Bin\MSBuild.exe'
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# Just to make sure it's "really" .NET :)
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CallTrace|contains:
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- 'Microsoft.Build.ni.dll'
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- 'System.ni.dll'
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condition: selection and not 1 of filter_*
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falsepositives:
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- Unknown
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level: high
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