Replace.exe Usage

calendar Aug 12, 2024 · attack.command-and-control attack.t1105  ·
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Detects the use of Replace.exe which can be used to replace file with another file

Sigma rule (View on GitHub)

 1title: Replace.exe Usage
 2id: 9292293b-8496-4715-9db6-37028dcda4b3
 3status: test
 4description: Detects the use of Replace.exe which can be used to replace file with another file
 5references:
 6    - https://lolbas-project.github.io/lolbas/Binaries/Replace/
 7    - https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/replace
 8author: frack113
 9date: 2022-03-06
10modified: 2024-03-13
11tags:
12    - attack.command-and-control
13    - attack.t1105
14logsource:
15    category: process_creation
16    product: windows
17detection:
18    selection:
19        Image|endswith: '\replace.exe'
20    argument:
21        CommandLine|contains|windash: '-a'
22    condition: selection and argument
23falsepositives:
24    - Unknown
25level: medium

References

  • Replace on LOLBAS

    Replace.exe is a living-of-the-land file containing unexpected functionality that can be abused by attackers; this page lists all its use cases.


    Read More

  • replace

    Reference article for the replace command, which can replace existing or add new files to a directory.


    Read More

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