PoolParty - A Set Of Fully-Undetectable Process Injection Techniques Abusing Windows Thread Pools

2024-05-2412:30:00

www.kitploit.com

undetectable process injection

windows thread pools

overwrite start routine

insert work item

customization

shellcode

calculator

alon leviev

black hat eu 2023

safebreach-labs.

7.4 High

AI Score

Confidence

Low

JSON

A collection of fully-undetectable process injection techniques abusing Windows Thread Pools. Presented at Black Hat EU 2023 Briefings under the title - injection-techniques-using-windows-thread-pools-35446">The Pool Party You Will Never Forget: New Process Injection Techniques Using Windows Thread Pools

PoolParty Variants

Variant ID	Varient Description
1	Overwrite the start routine of the target worker factory
2	Insert TP_WORK work item to the target process’s thread pool
3	Insert TP_WAIT work item to the target process’s thread pool
4	Insert TP_IO work item to the target process’s thread pool
5	Insert TP_ALPC work item to the target process’s thread pool
6	Insert TP_JOB work item to the target process’s thread pool
7	Insert TP_DIRECT work item to the target process’s thread pool
8	Insert TP_TIMER work item to the target process’s thread pool

Usage

PoolParty.exe -V &lt;VARIANT ID&gt; -P &lt;TARGET PID&gt;

Usage Examples

Insert TP_TIMER work item to process ID 1234

&gt;&gt; PoolParty.exe -V 8 -P 1234  
  
[info]    Starting PoolParty attack against process id: 1234  
[info]    Retrieved handle to the target process: 00000000000000B8  
[info]    Hijacked worker factory handle from the target process: 0000000000000058  
[info]    Hijacked timer queue handle from the target process: 0000000000000054  
[info]    Allocated shellcode memory in the target process: 00000281DBEF0000  
[info]    Written shellcode to the target process  
[info]    Retrieved target worker factory basic information  
[info]    Created TP_TIMER structure associated with the shellcode  
[info]    Allocated TP_TIMER memory in the target process: 00000281DBF00000  
[info]    Written the specially crafted TP_TIMER structure to the target process  
[info]    Modified the target process's TP_POOL tiemr queue list entry to point to the specially crafted TP_TIMER  
[info]    Set the timer queue to expire to trigger the dequeueing TppTimerQueueExp   iration  
[info]    PoolParty attack completed successfully

Default Shellcode and Customization

The default shellcode spawns a calculator via the WinExec API.

To customize the executable to execute, change the path in the end of the g_Shellcode variable present in the main.cpp file.

Author - Alon Leviev

LinkedIn - Alon Leviev
Twitter - @_0xDeku

Download PoolParty

References

github.com/SafeBreach-Labs/PoolParty

7.4 High

AI Score

Confidence

Low

JSON