Skip to content
yararules.org
Menu

YARA · CAPE Sandbox (CAPEv2)

CAPE_Darkgate

DarkGate Payload

GenericCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
enzok
Date
2023-08-09
Modified
2024-02-26
Score / Quality
75 / 70

What this rule detects

DarkGate Payload

It defines 6 patterns (1 text, 5 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
darkgate.yarGNU General Public License v3.0
rule CAPE_Darkgate
{
	meta:
		description = "DarkGate Payload"
		author = "enzok"
		id = "ce81f452-4096-51d6-97cc-624f9fbefa86"
		date = "2023-08-09"
		modified = "2024-02-26"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/DarkGate.yar#L1-L16"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "25c0e77a83676c6a18445f8df0b1f7a9148de5f64eeb532f9a4f4d4652dd8191"
		score = 75
		quality = 70
		tags = ""
		cape_type = "DarkGate Payload"

	strings:
		$part1 = {8B 55 ?? 8A 4D ?? 80 E1 3F C1 E1 02 8A 5D ?? 80 E3 30 81 E3 FF [3] C1 EB 04 02 CB 88 4C 10 FF FF 45 ?? 80 7D ?? 40}
		$part2 = {8B 55 ?? 8A 4D ?? 80 E1 0F C1 E1 04 8A 5D ?? 80 E3 3C 81 E3 FF [3] C1 EB 02 02 CB 88 4C 10 FF FF 45 ?? 80 7D ?? 40}
		$part3 = {8B 55 ?? 8A 4D ?? 80 E1 03 C1 E1 06 8A 5D ?? 80 E3 3F 02 CB 88 4C 10 FF FF 45}
		$alphabet = "zLAxuU0kQKf3sWE7ePRO2imyg9GSpVoYC6rhlX48ZHnvjJDBNFtMd1I5acwbqT+="
		$config1 = {B9 01 04 00 00 E8 [4] 8D 45}
		$config2 = {8B 55 ?? 8D 45 ?? E8 [4] 8D 45 ?? 5? B? 06 00 00 00 B? 01 00 00 00 8B 45 ?? E8 [4] 8B 45 ?? B? [4] E8 [4] 75}

	condition:
		($alphabet ) and ( any of ( $part* ) or all of ( $config* ) )
}

Strings (6 patterns)

IdentifierTypeValueModifiers
$part1hex{8B 55 ?? 8A 4D ?? 80 E1 3F C1 E1 02 8A 5D ?? 80 E3 30 81 E3 FF [3] C1 EB 04 02 CB 88 4C 10 FF FF 45 ?? 80 7D ?? 40}
$part2hex{8B 55 ?? 8A 4D ?? 80 E1 0F C1 E1 04 8A 5D ?? 80 E3 3C 81 E3 FF [3] C1 EB 02 02 CB 88 4C 10 FF FF 45 ?? 80 7D ?? 40}
$part3hex{8B 55 ?? 8A 4D ?? 80 E1 03 C1 E1 06 8A 5D ?? 80 E3 3F 02 CB 88 4C 10 FF FF 45}
$alphabettext"zLAxuU0kQKf3sWE7ePRO2imyg9GSpVoYC6rhlX48ZHnvjJDBNFtMd1I5acwbqT+="
$config1hex{B9 01 04 00 00 E8 [4] 8D 45}
$config2hex{8B 55 ?? 8D 45 ?? E8 [4] 8D 45 ?? 5? B? 06 00 00 00 B? 01 00 00 00 8B 45 ?? E8 [4] 8B 45 ?? B? [4] E8 [4] 75}

Condition

($alphabet ) and ( any of ( $part* ) or all of ( $config* ) )

In plain words (Heuristic)

  • All patterns in ( $config* ) must match.
  • At least one pattern in ( $part* ) must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

References

Licence & attribution

Author: enzok

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: ce81f452-4096-51d6-97cc-624f9fbefa86

Metadata

cape_typeDarkGate Payload

Related rules