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Subverting Vista TM  Kernel For Fun And Profit Joanna Rutkowska Advanced Malware Labs SyScan’06 July 21 st , 2006, Singapore & Black Hat Briefings 2006 August 3 rd , 2006, Las Vegas
About this presentation ,[object Object],[object Object]
Content ,[object Object],[object Object],[object Object],[object Object]
Part I – getting into the kernel
Signed Drivers in Vista x64 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How to bypass? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Challenges ,[object Object],[object Object],[object Object],[object Object]
How to force drivers to be paged? ,[object Object],[object Object],[object Object],[object Object]
Eating memory…
What could be paged? ,[object Object],[object Object]
Finding a target ,[object Object],[object Object],[object Object],[object Object]
Locating paged code inside pagefile ,[object Object],[object Object],[object Object],[object Object]
How to make sure our shellcode gets executed? ,[object Object],[object Object],[object Object]
Putting it all together ,[object Object],[object Object],[object Object]
DEMO ,[object Object],[object Object],[object Object]
Creating useful shellcodes ,[object Object],[object Object]
DEMO
Possible solutions (1/3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Possible solutions (2/3) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Possible solutions (3/3)  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bottom line ,[object Object],[object Object],[object Object],[object Object]
Part II – Blue Pill
Invisibility by Obscurity ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Imagine a malware… ,[object Object],[object Object],[object Object],[object Object]
Blue Pill Idea ,[object Object],[object Object],[object Object]
AMD64 & SVM ,[object Object],[object Object],[object Object],[object Object]
SVM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The heart of SVM: VMRUN instruction
Blue Pill Idea (simplified)
BP installs itself ON THE FLY! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SubVirt Rootkit ,[object Object],[object Object]
SubVirt vs. Blue Pill ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Matrix inside another Matrix ,[object Object],[object Object],[object Object],[object Object]
Nested VMs
Detection via timing analysis ,[object Object],[object Object],[object Object],[object Object],[object Object]
Cheating timing analysis ,[object Object],[object Object],[object Object],[object Object]
Time dilatation for guest
Getting the real time…
Time profiling in practice ,[object Object],[object Object],[object Object],[object Object]
Blue Pill based malware ,[object Object],[object Object],[object Object],[object Object]
Delusion Backdoor ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Delusion Demo (Blue Pill powered)
Blue Pill detection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Generic BP detection ,[object Object],[object Object],[object Object]
Blue Pill detection ,[object Object],[object Object],[object Object]
Pacifica vs. Vanderpool ,[object Object],[object Object],[object Object],[object Object]
Blue Pill Prevention ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hardware Red Pill? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Future work ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Bottom line ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
References ,[object Object],[object Object]
Credits ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thank you! [email_address] check out http://coseinc.com/ for information about available trainings!

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Joanna Rutkowska Subverting Vista Kernel