Nasreddine Bencherchali
f0e05ccb3c
- Added 5 more PowerShell scripts for the rule "file_event_win_powershell_exploit_scripts.yml" - Created new rule for "certoc" lolbin to cover "Download" option as described in the LOLBAS project - Created specific rule for the "IEExec" lolbin to cover "Download" option as described in the LOLBAS Project - Updated some rules to use "OriginalFileName" in addition to the "Image" selection - Updated some rules to increase coverage.
31 lines
804 B
YAML
31 lines
804 B
YAML
title: Suspicious Load DLL via CertOC.exe
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id: 242301bc-f92f-4476-8718-78004a6efd9f
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description: Detects when a user installs certificates by using CertOC.exe to loads the target DLL file.
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status: experimental
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author: Austin Songer @austinsonger
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date: 2021/10/23
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modified: 2022/05/16
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references:
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- https://twitter.com/sblmsrsn/status/1445758411803480072?s=20
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logsource:
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category: process_creation
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product: windows
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detection:
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selection_img:
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- Image|endswith: '\certoc.exe'
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- OriginalFileName: 'CertOC.exe'
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selection_cli:
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CommandLine|contains|all:
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- '-LoadDLL'
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- '.dll'
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condition: all of selection*
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fields:
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- CommandLine
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- ParentCommandLine
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tags:
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- attack.defense_evasion
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- attack.t1218
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falsepositives:
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- Unknown
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level: medium
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