YARA · Malpedia signator rules
MALPEDIA_Win_Unidentified_073_Auto
autogenerated rule brought to you by yara-signator
- Author
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2022-08-05
- Modified
- 2022-08-08
- 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-073-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Unidentified_073_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "0ba61f73-e46a-5f54-853f-f1f3b502ee26"
= "2022-08-05"
= "2022-08-08"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.unidentified_073"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.unidentified_073_auto.yar#L1-L125"
= "N/A"
= "8100472ca712d569bbcdb570af72e3f13986092b4d8ee8e3873da55bef76232d"
= 75
= 75
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20220805"
= "6ec06c64bcfdbeda64eff021c766b4ce34542b71"
= "20220808"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { 8d8538ffffff 6a00 c746180f000000 8bce }
$sequence_1 = { c684242801000019 e8???????? 68???????? 8d8c24c0000000 e8???????? 6aff }
$sequence_2 = { 8bce c7461400000000 50 c6460400 e8???????? 83ec1c 8bf4 }
$sequence_3 = { 7846 8b451c 8b0e 2bc1 3bc3 7c53 }
$sequence_4 = { 8b0d???????? 894df8 eb09 8b55f8 83ea01 8955f8 837df800 }
$sequence_5 = { 6a00 8d8424dc000000 50 8d4c2454 e8???????? 83ec1c 8d84240c010000 }
$sequence_6 = { 8bec 51 894dfc c705????????90664a00 833d????????00 741c }
$sequence_7 = { 6bd103 8982a0784a00 68???????? 8b45fc 50 ff15???????? }
$sequence_8 = { 0fb74df8 894de0 668b55e0 668955f8 0fb745fc 0fb74df8 3bc1 }
$sequence_9 = { 57 6aff 68???????? 50 ff15???????? }
condition:
7 of them and filesize < 1974272
}
Strings (10 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $sequence_0 | hex | { 8d8538ffffff 6a00 c746180f000000 8bce } | |
| $sequence_1 | hex | { c684242801000019 e8???????? 68???????? 8d8c24c0000000 e8???????? 6aff } | |
| $sequence_2 | hex | { 8bce c7461400000000 50 c6460400 e8???????? 83ec1c 8bf4 } | |
| $sequence_3 | hex | { 7846 8b451c 8b0e 2bc1 3bc3 7c53 } | |
| $sequence_4 | hex | { 8b0d???????? 894df8 eb09 8b55f8 83ea01 8955f8 837df800 } | |
| $sequence_5 | hex | { 6a00 8d8424dc000000 50 8d4c2454 e8???????? 83ec1c 8d84240c010000 } | |
| $sequence_6 | hex | { 8bec 51 894dfc c705????????90664a00 833d????????00 741c } | |
| $sequence_7 | hex | { 6bd103 8982a0784a00 68???????? 8b45fc 50 ff15???????? } | |
| $sequence_8 | hex | { 0fb74df8 894de0 668b55e0 668955f8 0fb745fc 0fb74df8 3bc1 } | |
| $sequence_9 | hex | { 57 6aff 68???????? 50 ff15???????? } |
Condition
7 of them and filesize < 1974272In plain words (Heuristic)
- The file must be smaller than 1974272 (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: 0ba61f73-e46a-5f54-853f-f1f3b502ee26
Metadata
| version | 1 |
|---|---|
| tool | yara-signator v0.6.0 |
| signator_config | callsandjumps;datarefs;binvalue |
| malpedia_rule_date | 20220805 |
| malpedia_hash | 6ec06c64bcfdbeda64eff021c766b4ce34542b71 |
| malpedia_version | 20220808 |
| malpedia_license | CC BY-SA 4.0 |
| malpedia_sharing | TLP:WHITE |
Tags:FILE
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