Nasreddine Bencherchali
27 lines
995 B
YAML
27 lines
995 B
YAML
title: Suspicious LSASS Access Via MalSecLogon
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id: 472159c5-31b9-4f56-b794-b766faa8b0a7
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status: experimental
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description: Detects suspicious access to Lsass handle via a call trace to "seclogon.dll"
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author: Samir Bousseaden (original elastic rule), Nasreddine Bencherchali (sigma)
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references:
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- https://twitter.com/SBousseaden/status/1541920424635912196
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- https://github.com/elastic/detection-rules/blob/2bc1795f3d7bcc3946452eb4f07ae799a756d94e/rules/windows/credential_access_lsass_handle_via_malseclogon.toml
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- https://splintercod3.blogspot.com/p/the-hidden-side-of-seclogon-part-3.html
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date: 2022/06/29
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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: '\lsass.exe'
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SourceImage|endswith: '\svchost.exe'
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GrantedAccess: '0x14c0'
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CallTrace|contains: 'seclogon.dll'
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condition: selection
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falsepositives:
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- Unknown
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level: high
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tags:
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- attack.credential_access
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- attack.t1003.001
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