YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_095_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-095-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_095_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1ee109b8-7db3-547e-8aa9-bdbf890c6fe1"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_095"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_095_auto.yar#L1-L127"
= "N/A"
= "5aec5e44580b8209132775ea3819c3df19ed619165f934b3fecfb8f0c5d79241"
= 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 = { 85c0 7428 85db 7524 488d0d9ef60100 e8???????? 85c0 }
$sequence_1 = { 4c8d35ed59ffff 4885db 750d 488bc7 498784f6f0430200 eb1e 488bc3 }
$sequence_2 = { 488d0df9350100 ff15???????? 488bf8 4885c0 }
$sequence_3 = { 8bd0 488d0d064c0100 e8???????? 41b999010000 e9???????? 488b5597 41b901000000 }
$sequence_4 = { 4157 4883ec20 33db 498be8 4c8bf2 891a 4c8bf9 }
$sequence_5 = { 4c8bb42450020000 8bd8 4885ed 7409 488bcd ff15???????? }
$sequence_6 = { 4c8d0d56ac0000 c5f35cca c4c173590cc1 4c8d0d259c0000 c5f359c1 }
$sequence_7 = { 0f84ea020000 ba04010000 488bc8 ff15???????? 85c0 0f84d4020000 ffc8 }
$sequence_8 = { c744245004000000 ff15???????? 488b4c2468 8bd8 ff15???????? 85db }
$sequence_9 = { 48833d????????ff 488bd9 7507 e8???????? eb0f 488bd3 488d0d30f50100 }
condition:
7 of them and filesize < 339968
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 85c0 7428 85db 7524 488d0d9ef60100 e8???????? 85c0 } | |
| $sequence_1 | hex | { 4c8d35ed59ffff 4885db 750d 488bc7 498784f6f0430200 eb1e 488bc3 } | |
| $sequence_2 | hex | { 488d0df9350100 ff15???????? 488bf8 4885c0 } | |
| $sequence_3 | hex | { 8bd0 488d0d064c0100 e8???????? 41b999010000 e9???????? 488b5597 41b901000000 } | |
| $sequence_4 | hex | { 4157 4883ec20 33db 498be8 4c8bf2 891a 4c8bf9 } | |
| $sequence_5 | hex | { 4c8bb42450020000 8bd8 4885ed 7409 488bcd ff15???????? } | |
| $sequence_6 | hex | { 4c8d0d56ac0000 c5f35cca c4c173590cc1 4c8d0d259c0000 c5f359c1 } | |
| $sequence_7 | hex | { 0f84ea020000 ba04010000 488bc8 ff15???????? 85c0 0f84d4020000 ffc8 } | |
| $sequence_8 | hex | { c744245004000000 ff15???????? 488b4c2468 8bd8 ff15???????? 85db } | |
| $sequence_9 | hex | { 48833d????????ff 488bd9 7507 e8???????? eb0f 488bd3 488d0d30f50100 } |
Condition
7 of them and filesize < 339968In plain words (Heuristic)
- The file must be smaller than 339968 (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: 1ee109b8-7db3-547e-8aa9-bdbf890c6fe1
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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