YARA · Malpedia signator rules
MALPEDIA_Win_Doorme_Auto
autogenerated rule brought to you by yara-signator
- 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: Doorme.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-doorme-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Doorme_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "8d547154-e1a2-595b-9326-3db98ac06250"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.doorme"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.doorme_auto.yar#L1-L123"
= "N/A"
= "b2bbc3b4f71ef7982997cf0fb32eb217c733939c33379893ee3d9b5cac7fb254"
= 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 = { b908000000 488bda e8???????? 488d0d9ee90200 }
$sequence_1 = { e8???????? 90 c645a707 b063 b162 b261 }
$sequence_2 = { 41884c383a 83fa02 7211 8a03 4903d9 498b8cf480120400 }
$sequence_3 = { 488bfa 48895588 48895d88 c745b068000000 33d2 448d4260 488d4db8 }
$sequence_4 = { 48895c2460 a804 7409 488d1d01610300 eb14 a802 488d1d0e610300 }
$sequence_5 = { 0f104810 410f114d10 48897810 48c740180f000000 c60000 488b55cf 4883fa10 }
$sequence_6 = { 488d1550c80200 f6423d01 7415 e8???????? c70016000000 e8???????? }
$sequence_7 = { 488d742470 48837df000 7505 498bf7 eb1f }
$sequence_8 = { c5f1eb0d???????? 4c8d0d46c20000 c5f35cca c4c173590cc1 4c8d0d850f0100 c5f359c1 c5fb101d???????? }
$sequence_9 = { 410fb6c2 460fb6942020860300 428d04ad04000000 4983c704 }
condition:
7 of them and filesize < 580608
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { b908000000 488bda e8???????? 488d0d9ee90200 } | |
| $sequence_1 | hex | { e8???????? 90 c645a707 b063 b162 b261 } | |
| $sequence_2 | hex | { 41884c383a 83fa02 7211 8a03 4903d9 498b8cf480120400 } | |
| $sequence_3 | hex | { 488bfa 48895588 48895d88 c745b068000000 33d2 448d4260 488d4db8 } | |
| $sequence_4 | hex | { 48895c2460 a804 7409 488d1d01610300 eb14 a802 488d1d0e610300 } | |
| $sequence_5 | hex | { 0f104810 410f114d10 48897810 48c740180f000000 c60000 488b55cf 4883fa10 } | |
| $sequence_6 | hex | { 488d1550c80200 f6423d01 7415 e8???????? c70016000000 e8???????? } | |
| $sequence_7 | hex | { 488d742470 48837df000 7505 498bf7 eb1f } | |
| $sequence_8 | hex | { c5f1eb0d???????? 4c8d0d46c20000 c5f35cca c4c173590cc1 4c8d0d850f0100 c5f359c1 c5fb101d???????? } | |
| $sequence_9 | hex | { 410fb6c2 460fb6942020860300 428d04ad04000000 4983c704 } |
Condition
7 of them and filesize < 580608In plain words (Heuristic)
- The file must be smaller than 580608 (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: 8d547154-e1a2-595b-9326-3db98ac06250
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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