sigmamediumHunting

Arbitrary File Download Via MSEDGE_PROXY.EXE

Detects usage of "msedge_proxy.exe" to download arbitrary files

MITRE ATT&CK

defense-evasionexecution

Detection Query

selection_img:
  - Image|endswith: \msedge_proxy.exe
  - OriginalFileName: msedge_proxy.exe
selection_cli:
  CommandLine|contains:
    - http://
    - https://
condition: all of selection_*

Author

Swachchhanda Shrawan Poudel

Created

2023-11-09

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://lolbas-project.github.io/lolbas/Binaries/msedge_proxy/

Tags

attack.defense-evasionattack.executionattack.t1218

Raw Content

title: Arbitrary File Download Via MSEDGE_PROXY.EXE
id: e84d89c4-f544-41ca-a6af-4b92fd38b023
status: test
description: Detects usage of "msedge_proxy.exe" to download arbitrary files
references:
    - https://lolbas-project.github.io/lolbas/Binaries/msedge_proxy/
author: Swachchhanda Shrawan Poudel
date: 2023-11-09
tags:
    - attack.defense-evasion
    - attack.execution
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\msedge_proxy.exe'
        - OriginalFileName: 'msedge_proxy.exe'
    selection_cli:
        CommandLine|contains:
            - 'http://'
            - 'https://'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium