Comments (5)
Changing the code to find overlapping signatures makes it run 4 times longer in my example.
It finds nine fewer files, all text files recognized as base64, other files are now labeled binary while they were previously labeled text, such as lua scripts and shell scripts.
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The mislabeling had to do with a change in algorithm in IsTextComputer, not with the overlapping signatures.
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No new files where encountered in my run, in 97.239341s versus 23.592947s.
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A faster implementation for matching overlapping signatures is possible, with no performance difference compared to non-overlapping signatures, executed on a file with no overlapping signatures.
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This should no longer be an issue with the new unpacking framework.
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Related Issues (20)
- Organize an own repo with KS specs HOT 1
- Open Source License scanning for Binary files HOT 12
- merge scanning of various DOS/MZ/NE/PE files HOT 1
- How does this relate to diffoscope? HOT 1
- Re-engineering interest? HOT 1
- ZIP: 64 bits data descriptor fields
- android_sparse_data: not working well with multiple threads
- Any usage? HOT 2
- Execution of `nix-shell analysis.nix` fails HOT 2
- python error HOT 2
- Failed to parse linux ubuntu 20.04 kernels HOT 8
- Suggest adding methods to scan folders and to detect duplicated files HOT 6
- Propagate password hints to unpackers
- Recover/resume interrupted scans
- A recent update broke down ELF scans HOT 8
- Bang get stucked as <defunct> after one of the jobs failed to create symlinks HOT 2
- Strings in .jar are splitted unexpectedly HOT 6
- It is possible to add a parser to support msi packages? HOT 2
- Section "strings" are missed in metadata (7-zip.dll, 7-zip32.dll, 7z/***.exe)
- No module named 'ahocorasick HOT 8
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