mirror of
https://github.com/mandiant/capa.git
synced 2026-06-29 01:38:35 -07:00
William Ballenthin
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
# Copyright (C) 2020 FireEye, Inc. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at: [package root]/LICENSE.txt
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# Unless required by applicable law or agreed to in writing, software distributed under the License
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# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and limitations under the License.
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import io
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import termcolor
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def bold(s: str) -> str:
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"""draw attention to the given string"""
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return termcolor.colored(s, "blue")
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def bold2(s: str) -> str:
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"""draw attention to the given string, within a `bold` section"""
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return termcolor.colored(s, "green")
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def hex(n: int) -> str:
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"""render the given number using upper case hex, like: 0x123ABC"""
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if n < 0:
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return "-0x%X" % (-n)
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else:
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return "0x%X" % n
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def parse_parts_id(s: str):
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id = ""
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parts = s.split("::")
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if len(parts) > 0:
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last = parts.pop()
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last, _, id = last.rpartition(" ")
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id = id.lstrip("[").rstrip("]")
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parts.append(last)
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return parts, id
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def format_parts_id(data):
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"""
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format canonical representation of ATT&CK/MBC parts and ID
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"""
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return "%s [%s]" % ("::".join(data["parts"]), data["id"])
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def capability_rules(doc):
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"""enumerate the rules in (namespace, name) order that are 'capability' rules (not lib/subscope/disposition/etc)."""
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for (_, _, rule) in sorted(
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map(lambda rule: (rule["meta"].get("namespace", ""), rule["meta"]["name"], rule), doc["rules"].values())
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):
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if rule["meta"].get("lib"):
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continue
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if rule["meta"].get("capa/subscope"):
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continue
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if rule["meta"].get("maec/analysis-conclusion"):
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continue
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if rule["meta"].get("maec/analysis-conclusion-ov"):
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continue
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if rule["meta"].get("maec/malware-category"):
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continue
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if rule["meta"].get("maec/malware-category-ov"):
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continue
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yield rule
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class StringIO(io.StringIO):
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def writeln(self, s):
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self.write(s)
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self.write("\n")
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