YARA · Malpedia signator rules
MALPEDIA_Win_Mqsttang_Auto
autogenerated rule brought to you by yara-signator
MalwareMqsttangMalpedia 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: Mqsttang.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-mqsttang-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mqsttang_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "31e470ea-5daf-55d5-9ab9-daffe03ba419"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.mqsttang"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mqsttang_auto.yar#L1-L134"
= "N/A"
= "d63f74e1b4cf54690499c28bf36f092d5dc58ca7c560cdfd72180b19011ef687"
= 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 = { e9???????? c744240804000000 c744240402000000 890424 e8???????? e9???????? 8d4590 }
$sequence_1 = { f0832801 740f 89f1 e8???????? 83c424 89d8 5b }
$sequence_2 = { e8???????? 8b560c 8b4208 8b4a0c 29c1 85c9 7e22 }
$sequence_3 = { e8???????? 89f9 e8???????? 891c24 e8???????? 89c3 ebed }
$sequence_4 = { f0830201 8b500c 8b4010 89530c 894310 f0830301 8b06 }
$sequence_5 = { e9???????? 8b85e0fdffff 8d9dacfdffff 891c24 89442404 e8???????? 8b85acfdffff }
$sequence_6 = { f20f111424 dd0424 0f840d020000 ddd8 f20f1005???????? 660f2ec4 0f8701040000 }
$sequence_7 = { f0832801 0f8444010000 8b4604 8b10 85d2 0f845f010000 83faff }
$sequence_8 = { f0832801 8b44241c 7478 8b0b 80791400 7411 c7042420000000 }
$sequence_9 = { f7d7 89b424a0000000 89fe 21c6 f7d0 21d0 89f7 }
condition:
7 of them and filesize < 12651520
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e9???????? c744240804000000 c744240402000000 890424 e8???????? e9???????? 8d4590 } | |
| $sequence_1 | hex | { f0832801 740f 89f1 e8???????? 83c424 89d8 5b } | |
| $sequence_2 | hex | { e8???????? 8b560c 8b4208 8b4a0c 29c1 85c9 7e22 } | |
| $sequence_3 | hex | { e8???????? 89f9 e8???????? 891c24 e8???????? 89c3 ebed } | |
| $sequence_4 | hex | { f0830201 8b500c 8b4010 89530c 894310 f0830301 8b06 } | |
| $sequence_5 | hex | { e9???????? 8b85e0fdffff 8d9dacfdffff 891c24 89442404 e8???????? 8b85acfdffff } | |
| $sequence_6 | hex | { f20f111424 dd0424 0f840d020000 ddd8 f20f1005???????? 660f2ec4 0f8701040000 } | |
| $sequence_7 | hex | { f0832801 0f8444010000 8b4604 8b10 85d2 0f845f010000 83faff } | |
| $sequence_8 | hex | { f0832801 8b44241c 7478 8b0b 80791400 7411 c7042420000000 } | |
| $sequence_9 | hex | { f7d7 89b424a0000000 89fe 21c6 f7d0 21d0 89f7 } |
Condition
7 of them and filesize < 12651520In plain words (Heuristic)
- The file must be smaller than 12651520 (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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Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.
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: 31e470ea-5daf-55d5-9ab9-daffe03ba419
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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