Follow us on Twitter!
It is the path of least resistance that makes rivers and men crooked. - Bj Palmer
Friday, May 06, 2016
Navigation
Home
 Find:
 Information:
Learn
Communicate
Submit
Shop
Challenges
 Exploit:
 Programming:
 Think:
 Track:
 Patch:
 Other:
 Need Help?
Other
Members Online
Total Online: 17
Guests Online: 16
Members Online: 1

Registered Members: 93538
Newest Member: ishu_me
Latest Articles
View Thread

HellBound Hackers | Challenges | Patching

Author

App patching 1


Member

Your avatar

Posts:
Location:
Joined: 01.01.70
Rank:
Guest
Posted on 26-08-08 19:18
Hi, I found the pass which was really obvious and I just have a question:
I have found (I think) which jmp I need to NOP but do I have to NOP it first and then run the app and insert the password or do i have to run it --> insert password and then NOP the jump. No matter what I have tried, nothing works. Also, how would I get the checksum with olly? Is it possible or do I have to save the changes to the file and then check it?

Thanks in advance for any help.


Author

RE: App patching 1


Member

Your avatar

Posts:
Location:
Joined: 01.01.70
Rank:
Guest
Posted on 26-08-08 20:00
It doesn't matter when you NOP the jump. You need to save the changes to the file, either with Olly or a hex editor and then use md5sum or something to get the checksum.