YARA · Malpedia signator rules
MALPEDIA_Win_Mechanical_Auto
autogenerated rule brought to you by yara-signator
MalwareMechanicalMalpedia 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: Mechanical.
It defines 16 patterns (0 text, 16 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-mechanical-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Mechanical_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "e88d5eb7-0499-5304-86b2-33ae2ce1eca4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.mechanical"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.mechanical_auto.yar#L1-L162"
= "N/A"
= "e8ef1a24ec6265b6d043f6149c8cbefb595de6561a93ba80907aaba8fa8b1d99"
= 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 = { 83c0df 83f85c 0f8778010000 4898 0fb68428984c0100 8b8c85c44b0100 }
$sequence_1 = { 488d15e768feff 48898c24b0000000 eb54 448b742448 bdffffffff 896c2444 ebb0 }
$sequence_2 = { 03c7 3bca 72ed 5f }
$sequence_3 = { 4585c0 0f84d0010000 488d9424103e0000 458bc8 }
$sequence_4 = { 03c1 1bc9 0bc1 59 e9???????? e8???????? ff742404 }
$sequence_5 = { 48894716 8b05???????? 89471e e8???????? }
$sequence_6 = { c6023c eb35 c60228 eb30 c60224 eb2b }
$sequence_7 = { 03ce c6840c3801000000 8d8424a05c0000 33f6 }
$sequence_8 = { 488d942480120000 458bc8 66666690 66666690 0fb602 458bc4 }
$sequence_9 = { 00686c 42 0023 d18a0688078a }
$sequence_10 = { 030495c0e54200 eb05 b8???????? f6400420 }
$sequence_11 = { 033485c0e54200 8b45e4 8b00 8906 }
$sequence_12 = { 0f84d6010000 488d942470440000 458bc8 66666690 0fb602 }
$sequence_13 = { 8b442430 488d8c2461430000 33d2 41b803010000 4488a42460430000 488905???????? e8???????? }
$sequence_14 = { 033485c0e54200 c745e401000000 33db 395e08 }
$sequence_15 = { 0401 3cbe 8844240b 76e2 }
condition:
7 of them and filesize < 434176
}
Strings (16 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 83c0df 83f85c 0f8778010000 4898 0fb68428984c0100 8b8c85c44b0100 } | |
| $sequence_1 | hex | { 488d15e768feff 48898c24b0000000 eb54 448b742448 bdffffffff 896c2444 ebb0 } | |
| $sequence_2 | hex | { 03c7 3bca 72ed 5f } | |
| $sequence_3 | hex | { 4585c0 0f84d0010000 488d9424103e0000 458bc8 } | |
| $sequence_4 | hex | { 03c1 1bc9 0bc1 59 e9???????? e8???????? ff742404 } | |
| $sequence_5 | hex | { 48894716 8b05???????? 89471e e8???????? } | |
| $sequence_6 | hex | { c6023c eb35 c60228 eb30 c60224 eb2b } | |
| $sequence_7 | hex | { 03ce c6840c3801000000 8d8424a05c0000 33f6 } | |
| $sequence_8 | hex | { 488d942480120000 458bc8 66666690 66666690 0fb602 458bc4 } | |
| $sequence_9 | hex | { 00686c 42 0023 d18a0688078a } | |
| $sequence_10 | hex | { 030495c0e54200 eb05 b8???????? f6400420 } | |
| $sequence_11 | hex | { 033485c0e54200 8b45e4 8b00 8906 } | |
| $sequence_12 | hex | { 0f84d6010000 488d942470440000 458bc8 66666690 0fb602 } | |
| $sequence_13 | hex | { 8b442430 488d8c2461430000 33d2 41b803010000 4488a42460430000 488905???????? e8???????? } | |
| $sequence_14 | hex | { 033485c0e54200 c745e401000000 33db 395e08 } | |
| $sequence_15 | hex | { 0401 3cbe 8844240b 76e2 } |
Condition
7 of them and filesize < 434176In plain words (Heuristic)
- The file must be smaller than 434176 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.
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: e88d5eb7-0499-5304-86b2-33ae2ce1eca4
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
Related rules
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04