YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_113_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-113-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_113_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "5d0296bf-baaf-53a4-9aeb-8da6b1c4565e"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_113"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_113_auto.yar#L1-L134"
= "N/A"
= "397c4f2ff62087eb02ce1bb7f9b6c0b1271d057b9a04c7531d9630cd496233bf"
= 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 = { eb07 c7470400000000 0fb602 83e801 7419 83e801 7409 }
$sequence_1 = { ff742434 ff15???????? ff74243c ff15???????? 57 ff15???????? 8b8c2468030000 }
$sequence_2 = { 8b7704 8b442418 8b0e 8b5140 83f807 750d 8b44241c }
$sequence_3 = { c707ffffffff c6470400 c7470800000000 c7470c00000000 85f6 7421 83cfff }
$sequence_4 = { ffd1 56 e8???????? 8b742424 83c414 eb53 83bdc800000001 }
$sequence_5 = { c744881000000000 eb70 8b94242c010000 837a0800 7467 8d0489 8b8c2434010000 }
$sequence_6 = { ff15???????? 83c40c c786000d000000000000 5e 5f 5d 8bc3 }
$sequence_7 = { c745fcffffffff 83c408 8b55e4 83fa08 72c2 8b4dd0 8d145502000000 }
$sequence_8 = { ff15???????? 83c410 83be240d000000 0f8449030000 8b6c2418 8d442434 50 }
$sequence_9 = { c7442438e0ec0a10 50 c744244070fe0a10 c744244400000000 89542438 894c2450 e8???????? }
condition:
7 of them and filesize < 4707328
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { eb07 c7470400000000 0fb602 83e801 7419 83e801 7409 } | |
| $sequence_1 | hex | { ff742434 ff15???????? ff74243c ff15???????? 57 ff15???????? 8b8c2468030000 } | |
| $sequence_2 | hex | { 8b7704 8b442418 8b0e 8b5140 83f807 750d 8b44241c } | |
| $sequence_3 | hex | { c707ffffffff c6470400 c7470800000000 c7470c00000000 85f6 7421 83cfff } | |
| $sequence_4 | hex | { ffd1 56 e8???????? 8b742424 83c414 eb53 83bdc800000001 } | |
| $sequence_5 | hex | { c744881000000000 eb70 8b94242c010000 837a0800 7467 8d0489 8b8c2434010000 } | |
| $sequence_6 | hex | { ff15???????? 83c40c c786000d000000000000 5e 5f 5d 8bc3 } | |
| $sequence_7 | hex | { c745fcffffffff 83c408 8b55e4 83fa08 72c2 8b4dd0 8d145502000000 } | |
| $sequence_8 | hex | { ff15???????? 83c410 83be240d000000 0f8449030000 8b6c2418 8d442434 50 } | |
| $sequence_9 | hex | { c7442438e0ec0a10 50 c744244070fe0a10 c744244400000000 89542438 894c2450 e8???????? } |
Condition
7 of them and filesize < 4707328In plain words (Heuristic)
- The file must be smaller than 4707328 (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: 5d0296bf-baaf-53a4-9aeb-8da6b1c4565e
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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