Generate a PDB file given the old PDB file and an address mapping file generated from CodeDefender. Not every tool that parses PDB files supports PDB OMAP therefore partial reconstruction of the PDB is required to support all tools (IDA, WinDbg, x64dbg, Visual Studios).
Here is an example on how you use pdbgen2 to generate a PDB file for an obfuscated CodeDefender binary.
pdbgen2.exe --obf-pe=example/HelloWorld_mutated.exe --map-file=example/HelloWorld.map.cvs --orig-pdb=example/HelloWorld.pdb --out-pdb=example/output.pdb
This will generate a new pdb output.pdb in the example/ folder.
You can download a pre-compiled version of this project instead of having to build this entire project. Head over to the github releases tab.
This will generate cmake build folder. You can then go into build/ and open pdbgen2.sln. You need to have Visual Studios 2022 installed. It will take upwards of 30 minutes to configure, build, and install llvm.
cmake -B build -DLLVM_BUILD_TYPE=Release
# or
cmake -B build -DLLVM_BUILD_TYPE=Debug
Delete the build/ folder if you wish to switch between Release and Debug, then re-run the above command.