Arbitrary File Download Via MSEDGE_PROXY.EXE

calendar Nov 14, 2023 · attack.defense_evasion attack.execution attack.t1218  ·
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Detects usage of "msedge_proxy.exe" to download arbitrary files

Sigma rule (View on GitHub)

 1title: Arbitrary File Download Via MSEDGE_PROXY.EXE
 2id: e84d89c4-f544-41ca-a6af-4b92fd38b023
 3status: experimental
 4description: Detects usage of "msedge_proxy.exe" to download arbitrary files
 5references:
 6    - https://lolbas-project.github.io/lolbas/Binaries/msedge_proxy/
 7author: Swachchhanda Shrawan Poudel
 8date: 2023/11/09
 9tags:
10    - attack.defense_evasion
11    - attack.execution
12    - attack.t1218
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection_img:
18        - Image|endswith: '\msedge_proxy.exe'
19        - OriginalFileName: 'msedge_proxy.exe'
20    selection_cli:
21        CommandLine|contains:
22            - 'http://'
23            - 'https://'
24    condition: all of selection_*
25falsepositives:
26    - Unknown
27level: medium

References

  • Msedge_proxy | LOLBAS

    msedge_proxy will download malicious file. C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe http://example.com/test.zip Use caseDownload file from the internet Privileges required...


    Read More

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