MALPEDIA_Win_Observer_Stealer_Auto

rule MALPEDIA_Win_Observer_Stealer_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "cbedbaf4-a195-51de-b879-f41488de51dc"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.observer_stealer"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.observer_stealer_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "862b73ccc67746005fe7d83245a00e3ac3bae6be8bbc9421be8c99f89b23b255"
		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 = { ab 83662c00 c746300f000000 c6461c00 e8???????? 5f 8bc6 }
		$sequence_1 = { 40 eb3e f7465000000200 7410 6a00 e8???????? }
		$sequence_2 = { 8d5508 57 8d4c2424 e8???????? 837c243400 0f8483010000 837c243808 }
		$sequence_3 = { 7422 83c8ff f00fc14120 7518 8b33 eb10 8bce }
		$sequence_4 = { 8b442420 8b38 8bd7 e8???????? 8364241800 2bfe 59 }
		$sequence_5 = { 27 124100 3a12 41 004e12 41 00741241 }
		$sequence_6 = { ffb424f8020000 0f438c24ec020000 51 51 8bc8 e8???????? 50 }
		$sequence_7 = { 8d8c249c000000 51 6a01 50 ffd5 8d4c2478 }
		$sequence_8 = { f7f9 8bcf 8bd0 d1ea 2bca 56 3bc1 }
		$sequence_9 = { e8???????? 59 c3 55 8bec 83e4f8 81ecf0000000 }

	condition:
		7 of them and filesize < 614400
}