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MALPEDIA_Win_Warezov_Auto

autogenerated rule brought to you by yara-signator

MalwareWarezovMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Warezov.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-warezov-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Warezov_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "9f1ca9c9-8322-5782-b8dd-c2427f4806b9"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.warezov"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.warezov_auto.yar#L1-L133"
		license_url = "N/A"
		logic_hash = "bbdc72c212d89cd3767ecdf3c5b36958b8588c84dc1bccbab7ed8b463aae0457"
		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 = { c6842451020000ac c6842452020000b1 c6842453020000a6 c6842454020000b3 c6842455020000af c6842456020000ba c6842457020000c3 }
		$sequence_1 = { ffd5 50 8d8c24ac010000 51 8bcb e8???????? 83f8ff }
		$sequence_2 = { c644247bcc c644247ccc c644247d16 c644247efb c644247f92 c684248000000094 c6842481000000c6 }
		$sequence_3 = { 33c0 e9???????? 6a44 c645fc01 e8???????? 83c404 3bc3 }
		$sequence_4 = { 83f8ff 0f853c010000 b0b0 88442409 8844241b b08c }
		$sequence_5 = { 50 e8???????? 83c40c 83bdecfcffff00 7511 8d85f0fcffff 50 }
		$sequence_6 = { 8854242c c644242d5f c644242e64 c644242f63 c644243069 c644243165 c64424326e }
		$sequence_7 = { c644241c9a c644241e8c c644241fef e8???????? 8d4c241c 8d542414 c644241473 }
		$sequence_8 = { ffd7 55 6a00 56 ffd7 8b442444 50 }
		$sequence_9 = { 0f8438ffffff 8d45cc 50 8d4d90 e8???????? 8b7dc0 8b5f08 }

	condition:
		7 of them and filesize < 827392
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ c6842451020000ac c6842452020000b1 c6842453020000a6 c6842454020000b3 c6842455020000af c6842456020000ba c6842457020000c3 }
$sequence_1hex{ ffd5 50 8d8c24ac010000 51 8bcb e8???????? 83f8ff }
$sequence_2hex{ c644247bcc c644247ccc c644247d16 c644247efb c644247f92 c684248000000094 c6842481000000c6 }
$sequence_3hex{ 33c0 e9???????? 6a44 c645fc01 e8???????? 83c404 3bc3 }
$sequence_4hex{ 83f8ff 0f853c010000 b0b0 88442409 8844241b b08c }
$sequence_5hex{ 50 e8???????? 83c40c 83bdecfcffff00 7511 8d85f0fcffff 50 }
$sequence_6hex{ 8854242c c644242d5f c644242e64 c644242f63 c644243069 c644243165 c64424326e }
$sequence_7hex{ c644241c9a c644241e8c c644241fef e8???????? 8d4c241c 8d542414 c644241473 }
$sequence_8hex{ ffd7 55 6a00 56 ffd7 8b442444 50 }
$sequence_9hex{ 0f8438ffffff 8d45cc 50 8d4d90 e8???????? 8b7dc0 8b5f08 }

Condition

7 of them and filesize < 827392

In plain words (Heuristic)

  • The file must be smaller than 827392 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 9f1ca9c9-8322-5782-b8dd-c2427f4806b9

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE