03 : /Privilege-escalation Windows#

~/ cat Bitsadmin.exe.md

Used for managing background intelligent transfer

Paths:

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

Detection: Child process from bitsadmin.exe bitsadmin creates new files bitsadmin adds data to alternate data stream

Alternate data streams

Create a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command from an Alternate data stream, then resume and complete the job.

bitsadmin /create 1 bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe bitsadmin /SetNotifyCmdLine 1 c:\data\playfolder\1.txt:cmd.exe NULL bitsadmin /RESUME 1 bitsadmin /complete 1

Download

Create a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command, then resume and complete the job.

bitsadmin /create 1 bitsadmin /addfile 1 https://live.sysinternals.com/autoruns.exe c:\data\playfolder\autoruns.exe bitsadmin /RESUME 1 bitsadmin /complete 1

Copy

Command for copying cmd.exe to another folder

bitsadmin /create 1 & bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe & bitsadmin /RESUME 1 & bitsadmin /Complete 1 & bitsadmin /reset

Execute

One-liner that creates a bitsadmin job named 1, add cmd.exe to the job, configure the job to run the target command, then resume and complete the job.

bitsadmin /create 1 & bitsadmin /addfile 1 c:\windows\system32\cmd.exe c:\data\playfolder\cmd.exe & bitsadmin /SetNotifyCmdLine 1 c:\data\playfolder\cmd.exe NULL & bitsadmin /RESUME 1 & bitsadmin /Reset