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encrypt data using RC4 via SystemFunction032 #825

Merged
merged 7 commits into from
Oct 10, 2023
22 changes: 22 additions & 0 deletions nursery/encrypt-data-using-rc4-via-systemfunction032.yml
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rule:
meta:
name: encrypt data using RC4 via SystemFunction032
namespace: data-manipulation/encryption/rc4
authors:
- [email protected]
scope: function
att&ck:
- Defense Evasion::Obfuscated Files or Information [T1027]
mbc:
- Defense Evasion::Obfuscated Files or Information::Encryption-Standard Algorithm [E1027.m05]
- Cryptography::Encrypt Data::RC4 [C0027.009]
references:
- https://doxygen.reactos.org/df/d13/sysfunc_8c_source.html
- https://blog.gentilkiwi.com/tag/systemfunction032
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features:
- or:
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- api: SystemFunction032
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- and:
- string: "Advapi32.dll"
- string: "SystemFunction032"
description: Procedure Address resolved at runtime
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