SEKOIA_Trojan_Android_Xenomorph

rule SEKOIA_Trojan_Android_Xenomorph : FILE
{
	meta:
		description = "Detect samples of the Android banking trojan Xenomorph"
		author = "Sekoia.io"
		id = "ec65ca1b-e71f-4772-8be0-2a2b6a690987"
		date = "2022-02-25"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/trojan_android_xenomorph.yar#L1-L20"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "d44e5742449cd9c19b50ab23f452378d5627e19140554d12086994d820df9c64"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ass0 = "assets/shadows/knife_shadow_"
		$ass1 = "assets/knife_"
		$ass2 = "okhttp3"

	condition:
		uint32be( 0 ) == 0x504B0304 and filesize > 1MB and filesize < 4MB and #ass0 > 10 and #ass1 > 10 and $ass2
}