YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_101_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2023-03-28
- Modified
- 2023-04-07
- 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-101-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_101_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "1e5a977c-e7e9-5732-97b6-6aadc4f691fc"
= "2023-03-28"
= "2023-04-07"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_101"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_101_auto.yar#L1-L128"
= "N/A"
= "71f0751fbd77a928634515b558d06922b4bf4a312042d6abbd6ba70171c64843"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20230328"
= "9d2d75cef573c1c2d861f5197df8f563b05a305d"
= "20230407"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { c70016000000 e8???????? 83c8ff e9???????? 498bc4 488d0ddb070100 83e03f }
$sequence_1 = { 6689842404010000 b865000000 6689842406010000 33c0 6689842408010000 }
$sequence_2 = { 33c0 b968000000 f3aa 488d842400010000 4889442448 488d842430020000 4889442440 }
$sequence_3 = { 4889742410 57 4883ec20 418bf0 4c8d0debb40000 8bda 4c8d05dab40000 }
$sequence_4 = { c744243000000000 4c8d4c2430 4c8b442440 8b542468 488b4c2460 }
$sequence_5 = { c68424e900000065 c68424ea00000057 c68424eb00000000 c644243052 c644243165 c644243261 c644243364 }
$sequence_6 = { 428a8c1910e40100 4c2bc0 418b40fc 4d894108 d3e8 41894120 }
$sequence_7 = { 48c744242000000000 4c8d8c24c8000000 448b442450 488b542458 488b4c2470 ff15???????? }
$sequence_8 = { 41b804010000 488d942400030000 33c9 ff15???????? c744245801000000 e8???????? 833d????????01 }
$sequence_9 = { 7528 48833d????????00 741e 488d0dd8450100 e8???????? 85c0 740e }
condition:
7 of them and filesize < 402432
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { c70016000000 e8???????? 83c8ff e9???????? 498bc4 488d0ddb070100 83e03f } | |
| $sequence_1 | hex | { 6689842404010000 b865000000 6689842406010000 33c0 6689842408010000 } | |
| $sequence_2 | hex | { 33c0 b968000000 f3aa 488d842400010000 4889442448 488d842430020000 4889442440 } | |
| $sequence_3 | hex | { 4889742410 57 4883ec20 418bf0 4c8d0debb40000 8bda 4c8d05dab40000 } | |
| $sequence_4 | hex | { c744243000000000 4c8d4c2430 4c8b442440 8b542468 488b4c2460 } | |
| $sequence_5 | hex | { c68424e900000065 c68424ea00000057 c68424eb00000000 c644243052 c644243165 c644243261 c644243364 } | |
| $sequence_6 | hex | { 428a8c1910e40100 4c2bc0 418b40fc 4d894108 d3e8 41894120 } | |
| $sequence_7 | hex | { 48c744242000000000 4c8d8c24c8000000 448b442450 488b542458 488b4c2470 ff15???????? } | |
| $sequence_8 | hex | { 41b804010000 488d942400030000 33c9 ff15???????? c744245801000000 e8???????? 833d????????01 } | |
| $sequence_9 | hex | { 7528 48833d????????00 741e 488d0dd8450100 e8???????? 85c0 740e } |
Condition
7 of them and filesize < 402432In plain words (Heuristic)
- The file must be smaller than 402432 (a cheap guard that skips large files).
- At least 7 patterns in the rule must match.
Test this rule in your browser
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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: 1e5a977c-e7e9-5732-97b6-6aadc4f691fc
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20230328 |
| malpedia_hash | 9d2d75cef573c1c2d861f5197df8f563b05a305d |
| malpedia_version | 20230407 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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