YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_115_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-115-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_115_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "3f57197c-2a0e-5c2f-91b4-2a6584aed0f1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_115"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_115_auto.yar#L1-L131"
= "N/A"
= "f34d16f4fb1756d871f8b8d2b98778ba2d274726c5e8a4c97d5758d2a5b7da7f"
= 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???????? 4c8d6c242c baf4010000 4c89e9 e8???????? 31c9 }
$sequence_1 = { 4889cb 4889d1 4989d4 e8???????? 4889c6 4885c0 7505 }
$sequence_2 = { 4431e5 4189c4 4401dd 4189d3 01eb 89d5 41c1cb0b }
$sequence_3 = { 4989c6 488b05???????? 4d8b7e18 498906 488d0531650100 49894610 }
$sequence_4 = { 498907 4c89442448 e8???????? 4c8b442448 49894718 4d85c0 7408 }
$sequence_5 = { 31d2 e8???????? 4898 48898424d8020000 4885c0 7511 488b4c2438 }
$sequence_6 = { 488b8c24b8000000 e8???????? e9???????? 488b0d???????? ba30000000 e8???????? 4989c4 }
$sequence_7 = { 488b0d???????? ba30000000 4c8d35a9b70100 e8???????? b941000000 4989c5 488b05???????? }
$sequence_8 = { 4c8b0e 488bb424d0010000 488b7c2430 488b4e38 4c8d4710 4889542420 488b542438 }
$sequence_9 = { e8???????? 49c7450800000000 4c8d0d67410100 4c89e9 4c8d0568410100 48c7442420ed000000 }
condition:
7 of them and filesize < 648192
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { e9???????? 4c8d6c242c baf4010000 4c89e9 e8???????? 31c9 } | |
| $sequence_1 | hex | { 4889cb 4889d1 4989d4 e8???????? 4889c6 4885c0 7505 } | |
| $sequence_2 | hex | { 4431e5 4189c4 4401dd 4189d3 01eb 89d5 41c1cb0b } | |
| $sequence_3 | hex | { 4989c6 488b05???????? 4d8b7e18 498906 488d0531650100 49894610 } | |
| $sequence_4 | hex | { 498907 4c89442448 e8???????? 4c8b442448 49894718 4d85c0 7408 } | |
| $sequence_5 | hex | { 31d2 e8???????? 4898 48898424d8020000 4885c0 7511 488b4c2438 } | |
| $sequence_6 | hex | { 488b8c24b8000000 e8???????? e9???????? 488b0d???????? ba30000000 e8???????? 4989c4 } | |
| $sequence_7 | hex | { 488b0d???????? ba30000000 4c8d35a9b70100 e8???????? b941000000 4989c5 488b05???????? } | |
| $sequence_8 | hex | { 4c8b0e 488bb424d0010000 488b7c2430 488b4e38 4c8d4710 4889542420 488b542438 } | |
| $sequence_9 | hex | { e8???????? 49c7450800000000 4c8d0d67410100 4c89e9 4c8d0568410100 48c7442420ed000000 } |
Condition
7 of them and filesize < 648192In plain words (Heuristic)
- The file must be smaller than 648192 (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: 3f57197c-2a0e-5c2f-91b4-2a6584aed0f1
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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