YARA · Malpedia signator rules
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:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "371d6ab3-949b-5c9d-8033-67b6c55ea566"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dustman"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dustman_auto.yar#L1-L122"
= "N/A"
= "b063597b5a4ae400c5fb648bc847f945a242473e9377f95d15455828ca13e94a"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "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)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8bd9 4c8d0dedb20000 b902000000 4c8d05d9b20000 } | |
| $sequence_1 | hex | { 884810 488b4d88 0fb60c01 884811 488b4d90 0fb60c01 884812 } | |
| $sequence_2 | hex | { c3 488d055d954101 c3 488d054d954101 c3 } | |
| $sequence_3 | hex | { 4c8d9db1010000 4903cb 48894d88 488bca 492bca } | |
| $sequence_4 | hex | { 4d8be1 498be8 4c8bea 4b8b8cfe40c80100 4c8b15???????? 4883cfff } | |
| $sequence_5 | hex | { 492bca 4c8d9dc4010000 4903cb 48894d20 488bca 492bca 4c8d9dc5010000 } | |
| $sequence_6 | hex | { c4c173590cc1 4c8d0d05750000 c5f359c1 c5fb101d???????? c5fb102d???????? c4e2f1a91d???????? c4e2f1a92d???????? } | |
| $sequence_7 | hex | { 0fb68525020000 48c1e028 4c0bd0 0fb68526020000 48c1e030 4c0bd0 0fb68527020000 } | |
| $sequence_8 | hex | { e8???????? 4883f8ff 7524 ff15???????? 488d4c2420 } | |
| $sequence_9 | hex | { e9???????? 4d8bb4f6d0320100 33d2 498bce 41b800080000 } |
Condition
7 of them and filesize < 368640In 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.
Test this rule in your browser
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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)
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
| 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 |
Tags:FILE
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