YARA · Malpedia signator rules
MALPEDIA_Win_No_Justice_Auto
autogenerated rule brought to you by yara-signator
MalwareNo JusticeMalpedia 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: No Justice.
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-no-justice-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_No_Justice_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "aca47e83-84a2-5108-a369-f472d0d5843a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.no_justice"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.no_justice_auto.yar#L1-L116"
= "N/A"
= "3a31a46c0abcc6bf9e50fa2b25fe13a39c2c8607e75eadf0d2c2ccf83361fbaf"
= 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 e8???????? 83a670be410000 59 83c604 81fe00020000 72dd }
$sequence_1 = { 8bd7 c1fa06 8934b8 8bc7 83e03f 6bc838 8b049570be4100 }
$sequence_2 = { 833d????????00 0f84da190000 83ec08 0fae5c2404 }
$sequence_3 = { 53 56 8d1c8538c24100 8b13 }
$sequence_4 = { 3b0cc5d84e4100 7427 40 83f82d 72f1 }
$sequence_5 = { 8b45b8 0fb600 0fbe8060b74100 40 8945c8 }
$sequence_6 = { 83c414 ebe1 8b55ec 8b4de8 8b049570be4100 807c082800 7d55 }
$sequence_7 = { 6bde38 8b04bd70be4100 807c182800 7d46 8b750c }
$sequence_8 = { 8b5d08 8b048570be4100 56 57 }
$sequence_9 = { 8b55ec 8b4de8 8b049570be4100 807c082800 }
condition:
7 of them and filesize < 253952
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 50 e8???????? 83a670be410000 59 83c604 81fe00020000 72dd } | |
| $sequence_1 | hex | { 8bd7 c1fa06 8934b8 8bc7 83e03f 6bc838 8b049570be4100 } | |
| $sequence_2 | hex | { 833d????????00 0f84da190000 83ec08 0fae5c2404 } | |
| $sequence_3 | hex | { 53 56 8d1c8538c24100 8b13 } | |
| $sequence_4 | hex | { 3b0cc5d84e4100 7427 40 83f82d 72f1 } | |
| $sequence_5 | hex | { 8b45b8 0fb600 0fbe8060b74100 40 8945c8 } | |
| $sequence_6 | hex | { 83c414 ebe1 8b55ec 8b4de8 8b049570be4100 807c082800 7d55 } | |
| $sequence_7 | hex | { 6bde38 8b04bd70be4100 807c182800 7d46 8b750c } | |
| $sequence_8 | hex | { 8b5d08 8b048570be4100 56 57 } | |
| $sequence_9 | hex | { 8b55ec 8b4de8 8b049570be4100 807c082800 } |
Condition
7 of them and filesize < 253952In plain words (Heuristic)
- The file must be smaller than 253952 (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: aca47e83-84a2-5108-a369-f472d0d5843a
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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