MALPEDIA_Win_Teslacrypt_Auto

rule MALPEDIA_Win_Teslacrypt_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "03f2d18c-3357-52fc-9fa0-40e744bb403c"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.teslacrypt"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.teslacrypt_auto.yar#L1-L171"
		license_url = "N/A"
		logic_hash = "4882fcf0c6bb762947a761e825d36c7e0e26056417cb52f713b39ae2b4309735"
		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 = { 33457c 89859c000000 51 52 89f2 c1c808 0fb6c8 }
		$sequence_1 = { 3345fc 89451c 51 52 }
		$sequence_2 = { 3345f8 894518 3345fc 89451c }
		$sequence_3 = { 334500 335d04 83c510 8b7508 }
		$sequence_4 = { 3345f4 894514 3345f8 894518 }
		$sequence_5 = { 0f84ac010000 81ffe0000000 740a b8ffffffff e9???????? }
		$sequence_6 = { 334500 335d04 334d08 33550c 81ffa0000000 0f8452030000 }
		$sequence_7 = { 33550c 81ffa0000000 0f8456030000 81ffc0000000 0f84ae010000 }
		$sequence_8 = { 7456 8b44241c 8b08 83f1ff 8908 390d???????? 7529 }
		$sequence_9 = { 89542418 756a 8b442418 83f0ff 890424 e8???????? 83f800 }
		$sequence_10 = { 8b12 8915???????? 83f2ff 8bb1c4000000 8916 89442424 }
		$sequence_11 = { 8b44241c 668b4824 8b5028 89c6 83c610 8b7c2434 397810 }
		$sequence_12 = { 0fb77214 01f1 89442420 894c241c eb2c 8b442428 }
		$sequence_13 = { 8916 89442424 e9???????? 8b442434 8b08 81f9050000c0 894c2420 }
		$sequence_14 = { 8b91b8000000 8b742428 39d6 8944241c }
		$sequence_15 = { 83f6ff 8932 89442424 eb15 8b442430 890424 }

	condition:
		7 of them and filesize < 1187840
}