YARA · Malpedia signator rules
MALPEDIA_Win_Fuwuqidrama_Auto
autogenerated rule brought to you by yara-signator
MalwareFuwuqidramaMalpedia 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: Fuwuqidrama.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-fuwuqidrama-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Fuwuqidrama_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "a3f3d41d-24b4-5d7c-8766-3866a2562f3d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.fuwuqidrama"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.fuwuqidrama_auto.yar#L1-L129"
= "N/A"
= "0c7085be9fd9d273484982dd22dd5198579a2c74b3e5651117221c035b9d1248"
= 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 = { 893e 8b4e2c 8b4630 51 50 50 }
$sequence_1 = { 85c0 7529 85d2 750a }
$sequence_2 = { e8???????? 68???????? 8bce e8???????? eb56 68???????? 8bce }
$sequence_3 = { 50 51 8d4c245c c684242401000001 e8???????? 8b542454 52 }
$sequence_4 = { 52 8bce c644241b20 e8???????? 8b5c2424 6a00 8dbbcd000000 }
$sequence_5 = { 57 88442414 bf???????? 83c9ff 33c0 33db 6a01 }
$sequence_6 = { 50 8bcd c644246003 e8???????? 8b8f88000000 8d542458 894c2458 }
$sequence_7 = { c1e91f 03d1 3bc2 0f83d2000000 8b5604 8b442414 83c9ff }
$sequence_8 = { 83c104 4a 75ee 53 e8???????? 8b4e70 83c404 }
$sequence_9 = { 8b442434 33f6 3bc6 7505 a1???????? 50 }
condition:
7 of them and filesize < 245760
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 893e 8b4e2c 8b4630 51 50 50 } | |
| $sequence_1 | hex | { 85c0 7529 85d2 750a } | |
| $sequence_2 | hex | { e8???????? 68???????? 8bce e8???????? eb56 68???????? 8bce } | |
| $sequence_3 | hex | { 50 51 8d4c245c c684242401000001 e8???????? 8b542454 52 } | |
| $sequence_4 | hex | { 52 8bce c644241b20 e8???????? 8b5c2424 6a00 8dbbcd000000 } | |
| $sequence_5 | hex | { 57 88442414 bf???????? 83c9ff 33c0 33db 6a01 } | |
| $sequence_6 | hex | { 50 8bcd c644246003 e8???????? 8b8f88000000 8d542458 894c2458 } | |
| $sequence_7 | hex | { c1e91f 03d1 3bc2 0f83d2000000 8b5604 8b442414 83c9ff } | |
| $sequence_8 | hex | { 83c104 4a 75ee 53 e8???????? 8b4e70 83c404 } | |
| $sequence_9 | hex | { 8b442434 33f6 3bc6 7505 a1???????? 50 } |
Condition
7 of them and filesize < 245760In plain words (Heuristic)
- The file must be smaller than 245760 (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: a3f3d41d-24b4-5d7c-8766-3866a2562f3d
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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