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MALPEDIA_Win_Dustman_Auto

autogenerated rule brought to you by yara-signator

MalwareDustmanMalpedia 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: Dustman.

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

Summary generated from the rule's metadata and condition.

Rule source

win-dustman-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dustman_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "371d6ab3-949b-5c9d-8033-67b6c55ea566"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.dustman"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dustman_auto.yar#L1-L122"
		license_url = "N/A"
		logic_hash = "b063597b5a4ae400c5fb648bc847f945a242473e9377f95d15455828ca13e94a"
		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 = { 8bd9 4c8d0dedb20000 b902000000 4c8d05d9b20000 }
		$sequence_1 = { 884810 488b4d88 0fb60c01 884811 488b4d90 0fb60c01 884812 }
		$sequence_2 = { c3 488d055d954101 c3 488d054d954101 c3 }
		$sequence_3 = { 4c8d9db1010000 4903cb 48894d88 488bca 492bca }
		$sequence_4 = { 4d8be1 498be8 4c8bea 4b8b8cfe40c80100 4c8b15???????? 4883cfff }
		$sequence_5 = { 492bca 4c8d9dc4010000 4903cb 48894d20 488bca 492bca 4c8d9dc5010000 }
		$sequence_6 = { c4c173590cc1 4c8d0d05750000 c5f359c1 c5fb101d???????? c5fb102d???????? c4e2f1a91d???????? c4e2f1a92d???????? }
		$sequence_7 = { 0fb68525020000 48c1e028 4c0bd0 0fb68526020000 48c1e030 4c0bd0 0fb68527020000 }
		$sequence_8 = { e8???????? 4883f8ff 7524 ff15???????? 488d4c2420 }
		$sequence_9 = { e9???????? 4d8bb4f6d0320100 33d2 498bce 41b800080000 }

	condition:
		7 of them and filesize < 368640
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 8bd9 4c8d0dedb20000 b902000000 4c8d05d9b20000 }
$sequence_1hex{ 884810 488b4d88 0fb60c01 884811 488b4d90 0fb60c01 884812 }
$sequence_2hex{ c3 488d055d954101 c3 488d054d954101 c3 }
$sequence_3hex{ 4c8d9db1010000 4903cb 48894d88 488bca 492bca }
$sequence_4hex{ 4d8be1 498be8 4c8bea 4b8b8cfe40c80100 4c8b15???????? 4883cfff }
$sequence_5hex{ 492bca 4c8d9dc4010000 4903cb 48894d20 488bca 492bca 4c8d9dc5010000 }
$sequence_6hex{ c4c173590cc1 4c8d0d05750000 c5f359c1 c5fb101d???????? c5fb102d???????? c4e2f1a91d???????? c4e2f1a92d???????? }
$sequence_7hex{ 0fb68525020000 48c1e028 4c0bd0 0fb68526020000 48c1e030 4c0bd0 0fb68527020000 }
$sequence_8hex{ e8???????? 4883f8ff 7524 ff15???????? 488d4c2420 }
$sequence_9hex{ e9???????? 4d8bb4f6d0320100 33d2 498bce 41b800080000 }

Condition

7 of them and filesize < 368640

In plain words (Heuristic)

  • The file must be smaller than 368640 (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: 371d6ab3-949b-5c9d-8033-67b6c55ea566

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