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MALPEDIA_Win_Zardoor_Auto

autogenerated rule brought to you by yara-signator

MalwareZardoorMalpedia 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: Zardoor.

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

Summary generated from the rule's metadata and condition.

Rule source

win-zardoor-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zardoor_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1e92978b-4a0b-544e-8ff4-2c32e212f8b1"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.zardoor"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zardoor_auto.yar#L1-L134"
		license_url = "N/A"
		logic_hash = "e7b04bc720af6c18148a76af65f5a9bdd071392f16a184f59447036aba92cea0"
		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 = { eb13 4489542450 eb0c 448954244c eb05 4489542448 448b542428 }
		$sequence_1 = { 741e 4533c0 4c8d4c2438 418d5025 e8???????? 83cbff 83f801 }
		$sequence_2 = { e8???????? 48894348 4885c0 7542 4c8d0db6bf0c00 c744242055000000 baf5000000 }
		$sequence_3 = { e8???????? 488b4c2448 e8???????? 4c8b6c2458 488bc7 4c8b642460 488b6c2468 }
		$sequence_4 = { e8???????? 85c0 0f8e95010000 4c8d053f710e00 488bcb 488d15e3150b00 e8???????? }
		$sequence_5 = { 660f73d908 66490f7ec9 4983f902 0f824b010000 4c8b442460 4983e902 410fb64001 }
		$sequence_6 = { 8b842490000000 488b742478 41396d38 0f8501010000 85c0 0f84f9000000 488b8c2480000000 }
		$sequence_7 = { 7709 493bd1 0f83a2000000 483bd9 7709 493bd3 0f8394000000 }
		$sequence_8 = { e8???????? 85c0 0f9fc3 e9???????? 4c8d0d361c1100 448bc6 488bcd }
		$sequence_9 = { e8???????? 4c8bc7 488d15649e1000 b902000000 e8???????? 83c8ff e9???????? }

	condition:
		7 of them and filesize < 4376576
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ eb13 4489542450 eb0c 448954244c eb05 4489542448 448b542428 }
$sequence_1hex{ 741e 4533c0 4c8d4c2438 418d5025 e8???????? 83cbff 83f801 }
$sequence_2hex{ e8???????? 48894348 4885c0 7542 4c8d0db6bf0c00 c744242055000000 baf5000000 }
$sequence_3hex{ e8???????? 488b4c2448 e8???????? 4c8b6c2458 488bc7 4c8b642460 488b6c2468 }
$sequence_4hex{ e8???????? 85c0 0f8e95010000 4c8d053f710e00 488bcb 488d15e3150b00 e8???????? }
$sequence_5hex{ 660f73d908 66490f7ec9 4983f902 0f824b010000 4c8b442460 4983e902 410fb64001 }
$sequence_6hex{ 8b842490000000 488b742478 41396d38 0f8501010000 85c0 0f84f9000000 488b8c2480000000 }
$sequence_7hex{ 7709 493bd1 0f83a2000000 483bd9 7709 493bd3 0f8394000000 }
$sequence_8hex{ e8???????? 85c0 0f9fc3 e9???????? 4c8d0d361c1100 448bc6 488bcd }
$sequence_9hex{ e8???????? 4c8bc7 488d15649e1000 b902000000 e8???????? 83c8ff e9???????? }

Condition

7 of them and filesize < 4376576

In plain words (Heuristic)

  • The file must be smaller than 4376576 (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: 1e92978b-4a0b-544e-8ff4-2c32e212f8b1

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