YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_107_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-107-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_107_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "d83a8059-3f06-5f8b-ad4c-9d1526372979"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_107"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_107_auto.yar#L1-L117"
= "N/A"
= "dc92ae59d2dfcbbe7aa2176f458c0990fe3a128c2f6affa3d44cf0089799d9c7"
= 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 = { 48c7c12f398d13 e8???????? 4989c7 48c7c12f398d13 e8???????? }
$sequence_1 = { 75dc 4c89e9 4883c420 5b }
$sequence_2 = { e8???????? 4989c7 48c7c10f15af3d e8???????? 4883c464 }
$sequence_3 = { 0f8596010000 8b5308 83fa01 0f85cb010000 4883c30c 4c39e3 }
$sequence_4 = { 7e96 8b13 4883f80b 0f8f33010000 8b03 85c0 }
$sequence_5 = { 4883ec64 48c7c10f15af3d e8???????? 4989c7 48c7c10f15af3d e8???????? }
$sequence_6 = { 4829d1 410fb75014 498d541018 450fb74006 4585c0 }
$sequence_7 = { 4989d0 4c09f2 4585c0 490f49d0 4829c2 4c8d3c0a }
$sequence_8 = { 4989c4 4885c0 75e9 488b3d???????? 8b07 }
$sequence_9 = { 74d8 418d40ff 488d0480 4c8d4cc228 0f1f00 }
condition:
7 of them and filesize < 254976
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 48c7c12f398d13 e8???????? 4989c7 48c7c12f398d13 e8???????? } | |
| $sequence_1 | hex | { 75dc 4c89e9 4883c420 5b } | |
| $sequence_2 | hex | { e8???????? 4989c7 48c7c10f15af3d e8???????? 4883c464 } | |
| $sequence_3 | hex | { 0f8596010000 8b5308 83fa01 0f85cb010000 4883c30c 4c39e3 } | |
| $sequence_4 | hex | { 7e96 8b13 4883f80b 0f8f33010000 8b03 85c0 } | |
| $sequence_5 | hex | { 4883ec64 48c7c10f15af3d e8???????? 4989c7 48c7c10f15af3d e8???????? } | |
| $sequence_6 | hex | { 4829d1 410fb75014 498d541018 450fb74006 4585c0 } | |
| $sequence_7 | hex | { 4989d0 4c09f2 4585c0 490f49d0 4829c2 4c8d3c0a } | |
| $sequence_8 | hex | { 4989c4 4885c0 75e9 488b3d???????? 8b07 } | |
| $sequence_9 | hex | { 74d8 418d40ff 488d0480 4c8d4cc228 0f1f00 } |
Condition
7 of them and filesize < 254976In plain words (Heuristic)
- The file must be smaller than 254976 (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: d83a8059-3f06-5f8b-ad4c-9d1526372979
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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