YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_053_Auto
autogenerated rule brought to you by yara-signator
- 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
It defines 10 patterns (0 text, 10 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
win-unidentified-053-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_053_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "44778796-93f3-5879-994d-5e3e2324b3e0"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_053"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_053_auto.yar#L1-L122"
= "N/A"
= "0ba9fcbf3221aa7fe9aa16ac81cd13a3c2e0b0b30a12bf9f5e09619187f5d921"
= 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 = { 0f857afeffff 393cb500924100 742e a1???????? 8d70ff 85f6 }
$sequence_1 = { 0fb6bdb0fffcff c1e208 0bd7 03d0 2bca 6a00 }
$sequence_2 = { 754d 53 57 8d3c85a8914100 833f00 bb00100000 7520 }
$sequence_3 = { 7e13 8d048dfc914100 3938 7408 4a }
$sequence_4 = { 8a6e1b 0fb64619 0fb67df4 8a4e1a }
$sequence_5 = { 81e9003ca875 87d6 4e 46 87d6 81c1003ca875 }
$sequence_6 = { 0fb6d2 f6820194410004 7406 8b10 41 }
$sequence_7 = { c1c719 e8???????? 87f2 e8???????? 2bd5 }
$sequence_8 = { 891d???????? 4a 87d6 8915???????? 03f7 46 893d???????? }
$sequence_9 = { 8b048588814100 234508 8b4e14 8d04c1 0fb64801 8b5004 83fa10 }
condition:
7 of them and filesize < 294912
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 0f857afeffff 393cb500924100 742e a1???????? 8d70ff 85f6 } | |
| $sequence_1 | hex | { 0fb6bdb0fffcff c1e208 0bd7 03d0 2bca 6a00 } | |
| $sequence_2 | hex | { 754d 53 57 8d3c85a8914100 833f00 bb00100000 7520 } | |
| $sequence_3 | hex | { 7e13 8d048dfc914100 3938 7408 4a } | |
| $sequence_4 | hex | { 8a6e1b 0fb64619 0fb67df4 8a4e1a } | |
| $sequence_5 | hex | { 81e9003ca875 87d6 4e 46 87d6 81c1003ca875 } | |
| $sequence_6 | hex | { 0fb6d2 f6820194410004 7406 8b10 41 } | |
| $sequence_7 | hex | { c1c719 e8???????? 87f2 e8???????? 2bd5 } | |
| $sequence_8 | hex | { 891d???????? 4a 87d6 8915???????? 03f7 46 893d???????? } | |
| $sequence_9 | hex | { 8b048588814100 234508 8b4e14 8d04c1 0fb64801 8b5004 83fa10 } |
Condition
7 of them and filesize < 294912In plain words (Heuristic)
- The file must be smaller than 294912 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
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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: 44778796-93f3-5879-994d-5e3e2324b3e0
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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