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MALPEDIA_Win_Zedhou_Auto

autogenerated rule brought to you by yara-signator

MalwareZedhouMalpedia 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: Zedhou.

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

Summary generated from the rule's metadata and condition.

Rule source

win-zedhou-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Zedhou_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "474209b9-d13c-5152-a50c-a3cfbe542c30"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.zedhou"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.zedhou_auto.yar#L1-L132"
		license_url = "N/A"
		logic_hash = "eeb067af065a3a11e2e1b534245e471ed519784bc79fd30ede53369628c3f72c"
		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 = { 3d8bb296b1 0f84f1380000 3d10ed51cf 75db 813d????????10ed51cf 0f8514390000 b910000000 }
		$sequence_1 = { b86c261822 50 ff15???????? 8d5c0002 8d8d74ffffff 53 e8???????? }
		$sequence_2 = { 0f8516010000 8b460c 8b3d???????? 8b04c5fc201822 ff7020 8d8574feffff 50 }
		$sequence_3 = { 56 8bf1 57 8b7d08 8b4630 3b4634 7509 }
		$sequence_4 = { 51 ff15???????? 8985c4fdffff eb0a c785c4fdffff00000000 8b55a4 52 }
		$sequence_5 = { ff75fc 8bce e8???????? 837d0800 75d3 }
		$sequence_6 = { 66c78570feffff0500 66c78574feffff0100 66c745a80100 eb15 668b4da8 66038d74feffff 0f80f9290000 }
		$sequence_7 = { c70618401722 ff15???????? 8bc6 5e c20800 a1???????? 56 }
		$sequence_8 = { ff15???????? 8d4d94 51 8d5598 52 8d45a0 50 }
		$sequence_9 = { ff15???????? 8bd0 8d4d98 ff15???????? 8bd0 8b4d08 83c158 }

	condition:
		7 of them and filesize < 499712
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 3d8bb296b1 0f84f1380000 3d10ed51cf 75db 813d????????10ed51cf 0f8514390000 b910000000 }
$sequence_1hex{ b86c261822 50 ff15???????? 8d5c0002 8d8d74ffffff 53 e8???????? }
$sequence_2hex{ 0f8516010000 8b460c 8b3d???????? 8b04c5fc201822 ff7020 8d8574feffff 50 }
$sequence_3hex{ 56 8bf1 57 8b7d08 8b4630 3b4634 7509 }
$sequence_4hex{ 51 ff15???????? 8985c4fdffff eb0a c785c4fdffff00000000 8b55a4 52 }
$sequence_5hex{ ff75fc 8bce e8???????? 837d0800 75d3 }
$sequence_6hex{ 66c78570feffff0500 66c78574feffff0100 66c745a80100 eb15 668b4da8 66038d74feffff 0f80f9290000 }
$sequence_7hex{ c70618401722 ff15???????? 8bc6 5e c20800 a1???????? 56 }
$sequence_8hex{ ff15???????? 8d4d94 51 8d5598 52 8d45a0 50 }
$sequence_9hex{ ff15???????? 8bd0 8d4d98 ff15???????? 8bd0 8b4d08 83c158 }

Condition

7 of them and filesize < 499712

In plain words (Heuristic)

  • The file must be smaller than 499712 (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: 474209b9-d13c-5152-a50c-a3cfbe542c30

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