https://blog.f-secure.com/hiding-malicious-code-with-module-stomping/
Part 1 of Countercept's research on module stomping - see https://blog.f-secure.com/hiding-malicious-code-with-module-stomping .
The full text of the associated blogpost is available in the Documentation directory.
Hi,
I'm interested in playing with the PoC utility a bit (particularly the inject_simple stuff). However, I'm really struggling to get the project to compile successfully. I'm happy to provide specific details on errors I'm encountering if that'd be helpful, but do you have some brief instructions on the intended steps to follow to get this compiled? Is there a particular order I should be following? There's no need wasting your time with errors that wouldn't be occurring if I were doing things properly. I've attempted to build both within Visual Studio and via cls on the command line.
Thanks!
A
The return type of sizeof is size_t which must be printed using %zu. Technically using the wrong format specifier (%llu in this case) invokes UB
DbgPrint("Short read of read MmPfnDatabase pointer %p as provided by userspace (read %llu of %llu bytes)\n", MmPfnDatabaseUnsafe, bytesRead, sizeof(PVOID));
DbgPrint("Failed to read PFN from PFN database at %p (%p[0x%16llx]): NTSTATUS 0x%08lx, transferred %llu of %llu bytes\n", srcAddress.VirtualAddress, MmPfnDatabase, pfnArray[pfnIdx], s, numRead, sizeof(struct PFN));
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