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YARA · CAPE Sandbox (CAPEv2)

CAPE_Smokeinjector

No description has been set in the source file - CAPE

GenericCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
kevoreilly
Date
2023-02-06
Modified
2025-11-19
Score / Quality
75 / 70

What this rule detects

No description has been set in the source file - CAPE

Targets: Windows PE.

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

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
smokeinjector.yarGNU General Public License v3.0
rule CAPE_Smokeinjector : FILE
{
	meta:
		description = "No description has been set in the source file - CAPE"
		author = "kevoreilly"
		id = "955afcbe-45c9-5c9a-a76b-d89ae1b381bc"
		date = "2023-02-06"
		modified = "2025-11-19"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/analyzer/windows/data/yara/SmokeLoader.yar#L1-L11"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "757a2bf8aceb92bee839bfcaba3b1a8bc4c037812b969e0f493e4f7a4ddc9ede"
		score = 75
		quality = 70
		tags = "FILE"
		cape_options = "monitor=explorer"
		packed = "d38f9ab81a054203e5b5940e6d34f3c8766f4f4104b14840e4695df511feaa30"

	strings:
		$dec1 = {80 04 08 [0-7] (49|83 E9 01) [0-7] 41 [0-7] 81 F1 [2] 00 00 [0-7] 01 D9 [0-7] FF E1}

	condition:
		uint16( 0 ) == 0x5A4D and any of them
}

Strings (1 patterns)

IdentifierTypeValueModifiers
$dec1hex{80 04 08 [0-7] (49|83 E9 01) [0-7] 41 [0-7] 81 F1 [2] 00 00 [0-7] 01 D9 [0-7] FF E1}

Condition

uint16( 0 ) == 0x5A4D and any of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • 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: 955afcbe-45c9-5c9a-a76b-d89ae1b381bc

Metadata

cape_optionsmonitor=explorer
packedd38f9ab81a054203e5b5940e6d34f3c8766f4f4104b14840e4695df511feaa30

Tags:FILE

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