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YARA · CAPE Sandbox (CAPEv2)

CAPE_Bruterateldate

BruteRatel Date Check Bypass

Hack toolCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
kevoreilly
Date
2024-07-11
Modified
2024-07-22
Score / Quality
75 / 70

What this rule detects

BruteRatel Date Check Bypass

It defines 2 patterns (0 text, 2 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

bruterateldate.yarGNU General Public License v3.0
rule CAPE_Bruterateldate
{
	meta:
		description = "BruteRatel Date Check Bypass"
		author = "kevoreilly"
		id = "94dd5cf3-ed59-51d6-92c8-aee73fe2926b"
		date = "2024-07-11"
		modified = "2024-07-22"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/analyzer/windows/data/yara/BruteRatel.yar#L28-L39"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "88589b2d08aea03565668ff1b9af20b6fe11cda50d867c60db7cb4d1826b0fd7"
		score = 75
		quality = 70
		tags = ""
		cape_options = "clear,bp1=$inner*,action1=scan,bp2=$date+6,action2=skip,count=0"

	strings:
		$inner = {88 E3 32 1C 0E 88 5C 15 00 48 8D 49 01 48 8D 52 01 38 C1 76 ?? 48 01 CE EB ?? FF}
		$date = {48 8B 17 48 85 D2 0F 85 [2] 00 00 8B 47 08 85 C0 0F 85 [2] 00 00}

	condition:
		any of them
}

Strings (2 patterns)

IdentifierTypeValueModifiers
$innerhex{88 E3 32 1C 0E 88 5C 15 00 48 8D 49 01 48 8D 52 01 38 C1 76 ?? 48 01 CE EB ?? FF}
$datehex{48 8B 17 48 85 D2 0F 85 [2] 00 00 8B 47 08 85 C0 0F 85 [2] 00 00}

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: 94dd5cf3-ed59-51d6-92c8-aee73fe2926b

Metadata

cape_optionsclear,bp1=$inner*,action1=scan,bp2=$date+6,action2=skip,count=0