mirror of
https://github.com/mandiant/capa-rules
synced 2026-06-08 15:41:20 +00:00
Aditya Pandey
26 lines
822 B
YAML
26 lines
822 B
YAML
rule:
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meta:
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name: reference Base64 string
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namespace: data-manipulation/encoding/base64
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authors:
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- moritz.raabe@mandiant.com
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scopes:
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static: file
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dynamic: file
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att&ck:
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- Defense Evasion::Obfuscated Files or Information [T1027]
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mbc:
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- Data::Encode Data::Base64 [C0026.001]
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- Data::Check String [C0019]
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examples:
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- B766CC43D649D30E9F27AFF8F7EE7DE0
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- BFB9B5391A13D0AFD787E87AB90F14F5
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- 074072B261FC27B65C72671F13510C05
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- 5DB2D2BE20D59AA0BE6709A6850F1775
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features:
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- or:
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- string: /ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\+\//
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description: standard Base64 alphabet
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- string: /ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_/
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description: URL-safe Base64 alphabet
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