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YARA · CAPE Sandbox (CAPEv2)

CAPE_Vbcrypter

VBCrypter anti-hook Bypass

GenericCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
kevoreilly
Date
2021-03-28
Score / Quality
75 / 70

What this rule detects

VBCrypter anti-hook Bypass

It defines 1 patterns (0 text, 1 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
vbcrypter.yarGNU General Public License v3.0
rule CAPE_Vbcrypter
{
	meta:
		description = "VBCrypter anti-hook Bypass"
		author = "kevoreilly"
		id = "2e010dfd-5096-5e81-af9b-174322a47d87"
		date = "2021-03-28"
		modified = "2021-03-28"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/analyzer/windows/data/yara/VBCrypter.yar#L1-L11"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "a62bca62ab624ab1a2c2e612c5b7e6d543006026a49c07c46800499e31e41c4e"
		score = 75
		quality = 70
		tags = ""
		cape_options = "bp0=$antihook-12,action0=jmp,count=0"

	strings:
		$antihook = {43 39 C3 0F 84 ?? 00 00 00 80 3B B8 75 ?? 83 7B 01 00 75 ?? 80 7B 05 BA 75 ?? 8B 53 06 83 C3 0A 31 C9}

	condition:
		any of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$antihookhex{43 39 C3 0F 84 ?? 00 00 00 80 3B B8 75 ?? 83 7B 01 00 75 ?? 80 7B 05 BA 75 ?? 8B 53 06 83 C3 0A 31 C9}

Condition

any of them

In plain words (Heuristic)

  • At least one pattern in the rule must match.

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References

Licence & attribution

Author: kevoreilly

Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28

Licence: GNU General Public License v3.0 (repository licence)

Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 2e010dfd-5096-5e81-af9b-174322a47d87

Metadata

cape_optionsbp0=$antihook-12,action0=jmp,count=0

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