Microsoft Windows 8.1 - DCOM DCERPC Local NTLM Reflection Privilege Escalation (MS15-076)

2015-08-13T00:00:00
ID EXPLOITPACK:B35623208FCD3D9659D633DD14E84C72
Type exploitpack
Reporter monoxgas
Modified 2015-08-13T00:00:00

Description

Microsoft Windows 8.1 - DCOM DCERPC Local NTLM Reflection Privilege Escalation (MS15-076)

                                        
                                            Source: https://github.com/monoxgas/Trebuchet

Trebuchet
MS15-076 (CVE-2015-2370) Privilege Escalation

Copies a file to any privileged location on disk

Compiled with VS2015, precompiled exe in Binary directory

Usage: trebuchet.exe C:\Users\Bob\Evil.txt C:\Windows\System32\Evil.dll

This is a lightly modified Proof of Concept by James Forshaw with Google, found here: https://code.google.com/p/google-security-research/issues/detail?id=325

CreateSymlink tool was written by James Forshaw found here: https://github.com/google/symboliclink-testing-tools

Notes:

Microsoft.VisualStudio.OLE.Inerop.dll must be in the same directory
Exploit can only be one once every 2-3 minutes. This is because RPC can be help up by LocalSystem
Tested on x64/x86 Windows 7/8.1

Proof of Concept:

https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/37768.zip