Comments (2)
Well, the warning messages are sort of expected. $
and unbounded matches using [-]
are known not to be super efficient in the YARA regex engine.
You may want to experiment with VxSig's --trim_length
argument (see --helpfull
), which by default produces signatures of unbounded length.
That all said, the original files should match. If they don't, then there might be something funky going on with functions being reordered by the disassembler.
Note that .BinExport
files themselve may not necessarily match the signature as they contain string in arbitrary order.
It'd be helpful to have the original binaries as well :)
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Binaries are attached.
I tried using a shorter trim_length of 50000 and still only one binary matched. At 500, both binaries matched. I'm confused, why does the trim length impact the matching?
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Related Issues (10)
- Error generating signatures HOT 4
- Fail to build vxsig, absl header not found HOT 1
- BinExport files misformed HOT 1
- Compilation Failure: No filesystem.cc file HOT 4
- build error on windows: xargs: command not found HOT 3
- How to generate signatures for a set of binaries (more than two binaries) HOT 1
- Build is broken on bazel version >= 7, 6.5.0 is the last version that works. There's also a dependency on compiler version. HOT 2
- Replace usages of `std::set<T>` with `absl::flat_hash_set<T>` / `absl::bree_set<T>`
- Add command-line options to control signature output
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