MALPEDIA_Win_Yahoyah_Auto

rule MALPEDIA_Win_Yahoyah_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "a1c11137-cf53-5ef0-828e-1d318a6298a4"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.yahoyah"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.yahoyah_auto.yar#L1-L167"
		license_url = "N/A"
		logic_hash = "f635314c9876bf0ba9754f0796e30eb1e2ba6407b11d9770ca3b0dbf5bb48cb2"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { ff15???????? 6a02 53 6af0 }
		$sequence_1 = { 59 53 53 6a03 0fb7c8 b8???????? }
		$sequence_2 = { 59 56 56 8d45fc 50 ff7508 }
		$sequence_3 = { c1ea10 b9ff000000 23d1 52 8bd0 c1ea18 }
		$sequence_4 = { 53 56 53 ff15???????? 68d0070000 }
		$sequence_5 = { 50 e8???????? 83c418 6a02 53 6840feffff }
		$sequence_6 = { ff15???????? 85c0 7501 c3 56 }
		$sequence_7 = { eb19 ff15???????? 0fb7c0 50 68???????? }
		$sequence_8 = { eb09 33d2 3bd1 1bc9 83e102 }
		$sequence_9 = { 50 6800080000 ff15???????? ff15???????? }
		$sequence_10 = { 68???????? ff15???????? 6a2e 68???????? }
		$sequence_11 = { 52 0fb6d0 52 c1e808 23c1 }
		$sequence_12 = { 68???????? 6890ef0000 68???????? 6a60 }
		$sequence_13 = { 6a3a 56 e8???????? 8bf0 83c410 }
		$sequence_14 = { 6a1a 50 e8???????? bf???????? }
		$sequence_15 = { 90 90 33c9 33c0 }
		$sequence_16 = { 90 90 68add13441 ffb53ffbffff }

	condition:
		7 of them and filesize < 483328
}