Hi Jan > I think that your another approach about using .data segment is > > similar to "Phrack 66: manual binary mangling with radare" mentioned > > before. but I really need to add an instruction in some specific > > places in a .text segment. > In this case how about writing a wrapper application that debugs the > target, places breakpoints at the desired offsets, does it's magic and > then resumes execution? > That would save you the trouble of fixing all non-relative offsets. > The downsides are a performance loss and potential anti-debug tricks > you'd need to fool... >
I think this could help me but in my case I really need to fix the offsets. any Idea to realize that ? Another approach would be DLL injection on Windows or LD_PRELOAD on > *nix if the target is part of a loaded library. > I can't do this because I'm working with embedded systems and Its doesn't run windows or *nix > I hope this helps, since I ran out of ideas. > Thanks anyway and I really appreciate your ideas
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