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Update capa2yara.py #1904

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Dec 13, 2023
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Update capa2yara.py #1904

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5 changes: 2 additions & 3 deletions scripts/capa2yara.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@


# this have to be the internal names used by capa.py which are sometimes different to the ones written out in the rules, e.g. "2 or more" is "Some", count is Range
unsupported = ["characteristic", "mnemonic", "offset", "subscope", "Range"]
unsupported = ["characteristic", "mnemonic", "offset", "subscope", "Range", "os", "property", "format", "class", "operand[0].number", "operand[1].number", "substring", "arch", "namespace"]
# further idea: shorten this list, possible stuff:
# - 2 or more strings: e.g.
# -- https://github.com/mandiant/capa-rules/blob/master/collection/file-managers/gather-direct-ftp-information.yml
Expand Down Expand Up @@ -90,8 +90,7 @@
condition_rule = """
private rule capa_pe_file : CAPA {
meta:
description = "match in PE files. used by all further CAPA rules"
author = "Arnim Rupp"
description = "Match in PE files. Used by other CAPA rules"
condition:
uint16be(0) == 0x4d5a
or uint16be(0) == 0x558b
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