Hi all,

i have read lots of article regarding patching, unpacking etc etc. but i want to know real about runtime patching. i have also download some software like lgen.exe that create runtime patch. but how do they do. Can anyone help me with that...

dipesh
Still newbie

Ummmmm .... have you tried searching for runtime patching? Or API hooking? Hooking in general?
What sort of help are you looking for? Points to resources? Or a general walkthru of the subject?
Runtime patching can be done in many ways - there is no ONE technique, there are many different ones. Perhaps the only instructive way to divide them is in loaders and non-loaders. And even that won't tell you much without me going deeped into the subject, which I don't have the time to do right now.
There are many resources at Fravia's ... and quite a few threads on the board, if memory and the db serves me right. So what kind of help are you looking for, again?

Fake

Hi Fake,

Basically i want to know about something like loader that when executed, will run our target program and then patch a target programs code (say JZ -> JNZ) in memory. There r almost no tutorial for such patching. Can u and all other crackers help me with that?


dipesh
Still newbie

Process patchers...find the source code of different process patchers to build your own...maybe it will help.

www.programmerstools.org->patchers.

PROCESS PATCHERS:

1. PrincessSandy
2. Yoda's process patcher

Have Phun,

Hi,

These patcher is all about 32-bit application. What if i need one 16-bit process patcher? Can someone...

dipesh

Never dealt with 16-bit process patching - are you talking 16-bit process patching in w9x/2k/xp? Or in 3.1? I'm assuming the first.
Well, you'd have to look into how windows handles running 16-bit code, you'll probably be able to find some resources here, and perhaps at win32asmboard.cjb.net.

Fake

Hi Fake,

thanks for ur valuable advice. will be hanging on win32asmboard_cjb_net.

dipesh