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YARA · CAPE Sandbox (CAPEv2)

CAPE_Xworm_1

XWorm Config Extractor

GenericCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
kevoreilly
Date
2023-11-07
Score / Quality
75 / 70

What this rule detects

XWorm Config Extractor

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

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
xworm-1.yarGNU General Public License v3.0
rule CAPE_Xworm_1
{
	meta:
		description = "XWorm Config Extractor"
		author = "kevoreilly"
		id = "0f55dbfb-c239-53f2-a1e0-bfa494558d6e"
		date = "2023-11-07"
		modified = "2023-11-07"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/analyzer/windows/data/yara/XWorm.yar#L1-L11"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "d8e103f3470e83d71cd4992b74698c0721b8a69d764fdb7a4543997b2853014a"
		score = 75
		quality = 70
		tags = ""
		cape_options = "bp0=$decrypt+11,action0=string:r10,count=1,typestring=XWorm Config"

	strings:
		$decrypt = {45 33 C0 39 09 FF 15 [4] 48 8B F0 E8 [4] 48 8B C8 48 8B D6 48 8B 00 48 8B 40 68 FF 50 ?? 90}

	condition:
		any of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$decrypthex{45 33 C0 39 09 FF 15 [4] 48 8B F0 E8 [4] 48 8B C8 48 8B D6 48 8B 00 48 8B 40 68 FF 50 ?? 90}

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: 0f55dbfb-c239-53f2-a1e0-bfa494558d6e

Metadata

cape_optionsbp0=$decrypt+11,action0=string:r10,count=1,typestring=XWorm Config

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