YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_106_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-106-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_106_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1a5a63f0-e61a-5388-a041-ea7c2c03955c"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_106"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_106_auto.yar#L1-L134"
= "N/A"
= "ebd07f80acf7eb25b7ba5efbfa82e2156ac262d1e823330a88e4e0ddb2a67982"
= 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 = { 4d8bc6 488bd7 e8???????? 85c0 781d 488d8da8000000 448bce }
$sequence_1 = { eb57 4c8b4c2450 418bcc 2bcf 412bce 4103cf 4183fc02 }
$sequence_2 = { f0440108 488d4138 41b806000000 488d15196a0300 483950f0 740c 488b10 }
$sequence_3 = { eb15 6685c0 7510 66c783480400000f10 c6834a04000001 33c0 488bbc24a8000000 }
$sequence_4 = { e8???????? e9???????? b948000000 4889ac2440010000 e8???????? 488be8 4885c0 }
$sequence_5 = { ffc1 8bc2 3bca 7cef 85d2 7e1f 4c8b4310 }
$sequence_6 = { e8???????? f5 91 32baf8b76637 44e81b3bc545 205943 30ba84ffde36 }
$sequence_7 = { e8???????? 8bc3 eb05 b856ffffff 4c8d5c2460 498b5b10 498b7318 }
$sequence_8 = { e9???????? 80bb4704000002 7518 b206 488bcb e8???????? 8983e4020000 }
$sequence_9 = { e8???????? 8bd0 85c0 7561 0fb68f28020000 458bc7 450fafc6 }
condition:
7 of them and filesize < 27402240
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 4d8bc6 488bd7 e8???????? 85c0 781d 488d8da8000000 448bce } | |
| $sequence_1 | hex | { eb57 4c8b4c2450 418bcc 2bcf 412bce 4103cf 4183fc02 } | |
| $sequence_2 | hex | { f0440108 488d4138 41b806000000 488d15196a0300 483950f0 740c 488b10 } | |
| $sequence_3 | hex | { eb15 6685c0 7510 66c783480400000f10 c6834a04000001 33c0 488bbc24a8000000 } | |
| $sequence_4 | hex | { e8???????? e9???????? b948000000 4889ac2440010000 e8???????? 488be8 4885c0 } | |
| $sequence_5 | hex | { ffc1 8bc2 3bca 7cef 85d2 7e1f 4c8b4310 } | |
| $sequence_6 | hex | { e8???????? f5 91 32baf8b76637 44e81b3bc545 205943 30ba84ffde36 } | |
| $sequence_7 | hex | { e8???????? 8bc3 eb05 b856ffffff 4c8d5c2460 498b5b10 498b7318 } | |
| $sequence_8 | hex | { e9???????? 80bb4704000002 7518 b206 488bcb e8???????? 8983e4020000 } | |
| $sequence_9 | hex | { e8???????? 8bd0 85c0 7561 0fb68f28020000 458bc7 450fafc6 } |
Condition
7 of them and filesize < 27402240In plain words (Heuristic)
- The file must be smaller than 27402240 (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: 1a5a63f0-e61a-5388-a041-ea7c2c03955c
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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