YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_111_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-12-06
- Modified
- 2023-12-08
- 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-111-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_111_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "761c3c1a-627b-5adf-b1c2-f96f11c05a94"
= "2023-12-06"
= "2023-12-08"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_111"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_111_auto.yar#L1-L125"
= "N/A"
= "8a86a6eb9509e0a5b4e912cde53abfcabb23f3644fc565d69ca8396c5dc5d7c9"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20231130"
= "fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351"
= "20230808"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 488b4c2428 0fbe09 3bc1 7512 }
$sequence_1 = { c744242002000000 e9???????? 837c243406 7511 837c243801 750a }
$sequence_2 = { 8b00 488b4c2430 488b09 0fbe0401 48634c2404 488b542428 0fbe0c0a }
$sequence_3 = { eb43 41b901000000 448b442424 488b542428 488b4c2448 e8???????? }
$sequence_4 = { eb1f c744242000000000 4533c9 4533c0 }
$sequence_5 = { 488b4c2448 ff15???????? 89442444 837c244400 7502 eb11 }
$sequence_6 = { 488d8c0c60020000 ba02000000 486bd200 4803ca 448bc0 488b542420 e8???????? }
$sequence_7 = { 66c1ca08 0fb7d2 4c8b8424a0000000 450fb74006 6641c1c808 450fb7c0 4c8b8c24a0000000 }
$sequence_8 = { e8???????? b910000000 e8???????? 4889442448 488b442448 488b4c2450 488908 }
$sequence_9 = { 4889542410 48894c2408 4883ec78 c744243000000000 c744243400000000 488b942488000000 488d4c2448 }
condition:
7 of them and filesize < 148480
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 488b4c2428 0fbe09 3bc1 7512 } | |
| $sequence_1 | hex | { c744242002000000 e9???????? 837c243406 7511 837c243801 750a } | |
| $sequence_2 | hex | { 8b00 488b4c2430 488b09 0fbe0401 48634c2404 488b542428 0fbe0c0a } | |
| $sequence_3 | hex | { eb43 41b901000000 448b442424 488b542428 488b4c2448 e8???????? } | |
| $sequence_4 | hex | { eb1f c744242000000000 4533c9 4533c0 } | |
| $sequence_5 | hex | { 488b4c2448 ff15???????? 89442444 837c244400 7502 eb11 } | |
| $sequence_6 | hex | { 488d8c0c60020000 ba02000000 486bd200 4803ca 448bc0 488b542420 e8???????? } | |
| $sequence_7 | hex | { 66c1ca08 0fb7d2 4c8b8424a0000000 450fb74006 6641c1c808 450fb7c0 4c8b8c24a0000000 } | |
| $sequence_8 | hex | { e8???????? b910000000 e8???????? 4889442448 488b442448 488b4c2450 488908 } | |
| $sequence_9 | hex | { 4889542410 48894c2408 4883ec78 c744243000000000 c744243400000000 488b942488000000 488d4c2448 } |
Condition
7 of them and filesize < 148480In plain words (Heuristic)
- The file must be smaller than 148480 (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: 761c3c1a-627b-5adf-b1c2-f96f11c05a94
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20231130 |
| malpedia_hash | fc8a0e9f343f6d6ded9e7df1a64dac0cc68d7351 |
| malpedia_version | 20230808 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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