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Fix/corrupted file architecture key error #2444

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merged 2 commits into from
Oct 6, 2024
Merged

Fix/corrupted file architecture key error #2444

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5c9b3a2
Add try except clause
Tamir-K Oct 5, 2024
60015e7
Add to changelog
Tamir-K Oct 5, 2024
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,8 @@

### Bug Fixes

- extractor: fix exception when PE extractor encounters unknown architecture #2440 @Tamir-K

### capa Explorer Web

### capa Explorer IDA Pro plugin
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8 changes: 7 additions & 1 deletion capa/features/extractors/pefile.py
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Expand Up @@ -130,7 +130,13 @@ def extract_file_arch(pe, **kwargs):
elif pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_AMD64"]:
yield Arch(ARCH_AMD64), NO_ADDRESS
else:
logger.warning("unsupported architecture: %s", pefile.MACHINE_TYPE[pe.FILE_HEADER.Machine])
try:
logger.warning(
"unsupported architecture: %s",
pefile.MACHINE_TYPE[pe.FILE_HEADER.Machine],
)
except KeyError:
logger.warning("unknown architecture: %s", pe.FILE_HEADER.Machine)


def extract_file_features(pe, buf):
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