MALPEDIA_Win_Grease_Auto

rule MALPEDIA_Win_Grease_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "f2b51062-057e-5eef-b563-cdea44ea1c27"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.grease"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.grease_auto.yar#L1-L234"
		license_url = "N/A"
		logic_hash = "83941270e610e5eda4e306c3b4b041e67042a44c47a458750ddcf9b1262cf19b"
		score = 75
		quality = 73
		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 = { 52 50 683f000f00 50 50 50 }
		$sequence_1 = { 488b4c2460 ff15???????? b801000000 488b8c2480020000 4833cc }
		$sequence_2 = { 85c0 7534 488b4c2450 488d442458 41b904000000 4533c0 488bd3 }
		$sequence_3 = { ff15???????? 85c0 0f85e7000000 488b4c2460 }
		$sequence_4 = { 488b4c2460 48897c2440 488d442450 4889442438 48897c2430 }
		$sequence_5 = { 4533c9 4533c0 4889442420 ff15???????? 85c0 7537 }
		$sequence_6 = { 48897c2440 4889442438 48897c2430 4533c0 c74424283f000f00 897c2420 }
		$sequence_7 = { 488bd3 c744242804000000 4889442420 ff15???????? 488b4c2450 ff15???????? }
		$sequence_8 = { 4881ec90020000 488b05???????? 4833c4 4889842480020000 488d4c2472 }
		$sequence_9 = { 53 ffd5 8d442424 8d5001 8a08 83c001 3acb }
		$sequence_10 = { 56 ff15???????? 8d542424 68???????? 52 }
		$sequence_11 = { c68434180300005e eb26 c68434180300002f eb1c c68434180300003f eb12 c68434180300002e }
		$sequence_12 = { 56 ff15???????? 8d442424 68???????? 50 e8???????? }
		$sequence_13 = { bb01000000 83feff 0f84f2020000 8b2d???????? }
		$sequence_14 = { eb67 c644342025 eb60 c64434202a eb59 }
		$sequence_15 = { 8d8c2445050000 53 51 889c244c050000 e8???????? 83c418 }
		$sequence_16 = { 0f8386000000 8bc7 8bf7 c1f805 83e61f 8d1c8560e44000 c1e603 }
		$sequence_17 = { 52 ff15???????? 8b44240c 50 ffd6 }
		$sequence_18 = { 8d8c2434010000 51 56 66899c2440010000 66899c2446010000 66c784244a0100000700 }
		$sequence_19 = { 8a904c5e4000 ff2495785d4000 c64434206d e9???????? c644342071 e9???????? }
		$sequence_20 = { c68434340a000067 e9???????? c68434340a000061 e9???????? c68434340a00007a e9???????? }
		$sequence_21 = { 6689842432010000 6689842438010000 b904000000 8d442420 50 }
		$sequence_22 = { e9???????? c6440c0870 e9???????? c6440c0873 e9???????? c6440c0874 }

	condition:
		7 of them and filesize < 278528
}