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YARA · CAPE Sandbox (CAPEv2)

CAPE_Phantomstealer

PhantomStealer Payload

GenericCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
kevoreilly
Date
2026-07-28
Score / Quality
75 / 70

What this rule detects

PhantomStealer Payload

Targets: Windows PE.

It defines 3 patterns (3 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

phantomstealer.yarGNU General Public License v3.0
rule CAPE_Phantomstealer : FILE
{
	meta:
		description = "PhantomStealer Payload"
		author = "kevoreilly"
		id = "8fbd76f0-da73-51da-a85a-77d9207dd340"
		date = "2026-07-28"
		modified = "2026-07-28"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/PhantomStealer.yar#L1-L13"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		logic_hash = "2f6051f4653aca8f6db27b2ecf7156913f5d18542fdcd58ebc4b4bb41c1c3fb2"
		score = 75
		quality = 70
		tags = "FILE"
		cape_type = "PhantomStealer Payload"

	strings:
		$a1 = "PhantomStealer"
		$a2 = "FormatCreditCards"
		$a3 = "Telegram"

	condition:
		uint16( 0 ) == 0x5A4D and ( all of ( $a* ) )
}

Strings (3 patterns)

IdentifierTypeValueModifiers
$a1text"PhantomStealer"
$a2text"FormatCreditCards"
$a3text"Telegram"

Condition

uint16( 0 ) == 0x5A4D and ( all of ( $a* ) )

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All patterns in ( $a* ) 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: 8fbd76f0-da73-51da-a85a-77d9207dd340

Metadata

cape_typePhantomStealer Payload

Tags:FILE