YARA · Malpedia signator rules
MALPEDIA_Win_Pcshare_Auto
autogenerated rule brought to you by yara-signator
MalwarePcshareMalpedia 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: Pcshare.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-pcshare-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Pcshare_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "01321e27-2fca-51ad-b07e-588e71179cda"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.pcshare"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.pcshare_auto.yar#L1-L125"
= "N/A"
= "8fbab9d498887a46bb70ba398619d56b260bb2c48da4678a55861c40e7aa5ea0"
= 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 = { 50 68???????? e8???????? 83c408 85c0 740d 8b16 }
$sequence_1 = { 7425 0fb601 0fb6fa 3bc7 7714 8b55fc 8a9250220610 }
$sequence_2 = { 2bee 85c9 750e 8d442eff 8932 894204 }
$sequence_3 = { 50 e8???????? 8b4c2440 e9???????? 83f8fe 0f85effbffff 8b4c2414 }
$sequence_4 = { 8b442444 c7462800000000 895e38 897e34 85c0 741d 8d48ff }
$sequence_5 = { 3bc6 7505 b8???????? 6a05 68???????? 50 e8???????? }
$sequence_6 = { 56 8918 e8???????? 89742410 }
$sequence_7 = { 8b4c242c 85c9 7510 3b5c2430 746b 43 895c241c }
$sequence_8 = { 8d4c2438 50 89442430 e8???????? }
$sequence_9 = { c7413c00000000 895134 c20c00 6aff 68???????? }
condition:
7 of them and filesize < 893708
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 50 68???????? e8???????? 83c408 85c0 740d 8b16 } | |
| $sequence_1 | hex | { 7425 0fb601 0fb6fa 3bc7 7714 8b55fc 8a9250220610 } | |
| $sequence_2 | hex | { 2bee 85c9 750e 8d442eff 8932 894204 } | |
| $sequence_3 | hex | { 50 e8???????? 8b4c2440 e9???????? 83f8fe 0f85effbffff 8b4c2414 } | |
| $sequence_4 | hex | { 8b442444 c7462800000000 895e38 897e34 85c0 741d 8d48ff } | |
| $sequence_5 | hex | { 3bc6 7505 b8???????? 6a05 68???????? 50 e8???????? } | |
| $sequence_6 | hex | { 56 8918 e8???????? 89742410 } | |
| $sequence_7 | hex | { 8b4c242c 85c9 7510 3b5c2430 746b 43 895c241c } | |
| $sequence_8 | hex | { 8d4c2438 50 89442430 e8???????? } | |
| $sequence_9 | hex | { c7413c00000000 895134 c20c00 6aff 68???????? } |
Condition
7 of them and filesize < 893708In plain words (Heuristic)
- The file must be smaller than 893708 (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: 01321e27-2fca-51ad-b07e-588e71179cda
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