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MALPEDIA_Win_Huskloader_Auto

autogenerated rule brought to you by yara-signator

MalwareHuskloaderMalpedia 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: Huskloader.

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

Summary generated from the rule's metadata and condition.

Rule source

win-huskloader-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Huskloader_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "baa8dc28-4bde-5660-bacb-e311987b66fe"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.huskloader"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.huskloader_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "efaf6361c8e2a990c1d94ea51b671a22e525594bb6c413d70cb1d93190351b34"
		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 = { 8d7f08 8b048d04330010 ffe0 f7c703000000 7413 8a06 }
		$sequence_1 = { 894db0 8b048de88d0110 8975b4 8b440618 8b7514 }
		$sequence_2 = { 6a00 6aff 66c7861a0600000111 ff15???????? 85c0 7430 682d060000 }
		$sequence_3 = { 7712 0fb7c1 0faee8 0fb688181c0110 83e10f eb02 }
		$sequence_4 = { e8???????? c70016000000 e8???????? 5d c20400 53 56 }
		$sequence_5 = { 8904bde88d0110 85c0 7514 6a0c 5e 8975e4 c745fcfeffffff }
		$sequence_6 = { 8db708020000 56 ff15???????? 56 ff15???????? 68???????? }
		$sequence_7 = { 682d060000 6a00 6a04 6a00 6aff ff15???????? 85c0 }
		$sequence_8 = { 5e 5d c3 e8???????? 85c0 0f8442310000 c3 }
		$sequence_9 = { 7551 e8???????? c70021000000 eb44 c745e002000000 c745e4c45e0110 }

	condition:
		7 of them and filesize < 229376
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8d7f08 8b048d04330010 ffe0 f7c703000000 7413 8a06 }
$sequence_1hex{ 894db0 8b048de88d0110 8975b4 8b440618 8b7514 }
$sequence_2hex{ 6a00 6aff 66c7861a0600000111 ff15???????? 85c0 7430 682d060000 }
$sequence_3hex{ 7712 0fb7c1 0faee8 0fb688181c0110 83e10f eb02 }
$sequence_4hex{ e8???????? c70016000000 e8???????? 5d c20400 53 56 }
$sequence_5hex{ 8904bde88d0110 85c0 7514 6a0c 5e 8975e4 c745fcfeffffff }
$sequence_6hex{ 8db708020000 56 ff15???????? 56 ff15???????? 68???????? }
$sequence_7hex{ 682d060000 6a00 6a04 6a00 6aff ff15???????? 85c0 }
$sequence_8hex{ 5e 5d c3 e8???????? 85c0 0f8442310000 c3 }
$sequence_9hex{ 7551 e8???????? c70021000000 eb44 c745e002000000 c745e4c45e0110 }

Condition

7 of them and filesize < 229376

In plain words (Heuristic)

  • The file must be smaller than 229376 (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: baa8dc28-4bde-5660-bacb-e311987b66fe

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