YARA · Malpedia signator rules
MALPEDIA_Win_Dusttrap_Auto
autogenerated rule brought to you by yara-signator
MalwareDusttrapMalpedia 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: Dusttrap.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-dusttrap-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Dusttrap_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "29cc0216-aa2a-54fb-9ffa-8619e8199fdd"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.dusttrap"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.dusttrap_auto.yar#L1-L129"
= "N/A"
= "d98a8b457f48c54124d7726cdd363a8850e6b5462ebf7caaa15c3f04d9405b59"
= 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 = { 482b8b9a020000 4885c9 418bc5 0f94c0 85c0 0f8481000000 }
$sequence_1 = { 48897810 33ed 4c896020 488bfa 4c8978d8 4533c0 4c8bf9 }
$sequence_2 = { ff15???????? 488b4c2448 85c0 7429 488d15b1eb0000 ff15???????? }
$sequence_3 = { 48895c2430 448d4209 0f11442460 488b4950 48895c2428 48895c2420 e8???????? }
$sequence_4 = { 488bc7 403828 750f ffc1 48ffc0 83f906 72f1 }
$sequence_5 = { 4533c0 8b9c24a0000000 33d2 488b89f8000000 e8???????? 488b0d???????? 33d2 }
$sequence_6 = { 0f1005???????? c7442470f79dfa5d c7442474e5c9c7e4 0f114510 c74424784b60067f 66c744247c34dc 0f114d58 }
$sequence_7 = { 488b0d???????? bab0070bfe 41b866d25e3e 48894140 488d0d62010200 e8???????? }
$sequence_8 = { 488907 e9???????? 33d2 4c89ac24b8000000 0f57c0 498d5c2402 }
$sequence_9 = { 4c8d8d80070000 4889442420 33d2 458d442402 488b8950010000 e8???????? }
condition:
7 of them and filesize < 421888
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 482b8b9a020000 4885c9 418bc5 0f94c0 85c0 0f8481000000 } | |
| $sequence_1 | hex | { 48897810 33ed 4c896020 488bfa 4c8978d8 4533c0 4c8bf9 } | |
| $sequence_2 | hex | { ff15???????? 488b4c2448 85c0 7429 488d15b1eb0000 ff15???????? } | |
| $sequence_3 | hex | { 48895c2430 448d4209 0f11442460 488b4950 48895c2428 48895c2420 e8???????? } | |
| $sequence_4 | hex | { 488bc7 403828 750f ffc1 48ffc0 83f906 72f1 } | |
| $sequence_5 | hex | { 4533c0 8b9c24a0000000 33d2 488b89f8000000 e8???????? 488b0d???????? 33d2 } | |
| $sequence_6 | hex | { 0f1005???????? c7442470f79dfa5d c7442474e5c9c7e4 0f114510 c74424784b60067f 66c744247c34dc 0f114d58 } | |
| $sequence_7 | hex | { 488b0d???????? bab0070bfe 41b866d25e3e 48894140 488d0d62010200 e8???????? } | |
| $sequence_8 | hex | { 488907 e9???????? 33d2 4c89ac24b8000000 0f57c0 498d5c2402 } | |
| $sequence_9 | hex | { 4c8d8d80070000 4889442420 33d2 458d442402 488b8950010000 e8???????? } |
Condition
7 of them and filesize < 421888In plain words (Heuristic)
- The file must be smaller than 421888 (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: 29cc0216-aa2a-54fb-9ffa-8619e8199fdd
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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