YARA · Malpedia signator rules
MALPEDIA_Win_Cryptomix_Auto
autogenerated rule brought to you by yara-signator
- Auteur
- Felix Bilstein - yara-signator at cocacoding dot com
- Date
- 2026-05-04
- Modifiée
- 2026-05-18
- Score / Qualité
- 75 / 75
Ce que détecte cette règle
autogenerated rule brought to you by yara-signator
Famille de malware associée : Cryptomix.
Elle définit 16 motifs (0 texte, 16 hex, 0 regex).
Résumé généré à partir des métadonnées et de la condition de la règle.
Source de la règle
rule MALPEDIA_Win_Cryptomix_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "efd95819-510c-51fc-a4b8-e52f024c6ab7"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cryptomix"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cryptomix_auto.yar#L1-L178"
= "N/A"
= "f258ed562da7e58f0dceda9b5b65599b8deab0b74902695859cb608fb36cb5e5"
= 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 = { 85c0 7507 55 e8???????? 59 6852244332 }
$sequence_1 = { 57 6a01 57 ff75e4 ffd0 85c0 7428 }
$sequence_2 = { 6a00 68???????? e8???????? 8b3d???????? 83c40c 56 68???????? }
$sequence_3 = { 56 57 8bf2 8bd9 6a01 }
$sequence_4 = { ff15???????? 6a00 ff7508 ba???????? 8bcb e8???????? 83c408 }
$sequence_5 = { 83feff 0f843c010000 8b8d8cefffff e8???????? 85c0 }
$sequence_6 = { f7e1 c1ea06 69d2e8030000 2bca 750c ffb5e4fbffff ff15???????? }
$sequence_7 = { 33c0 33ff 6805ad890d 47 57 8945f0 8945f8 }
$sequence_8 = { 85c0 0f852b010000 68???????? 68???????? }
$sequence_9 = { 7557 b801000000 8b4dfc 33cd e8???????? 8be5 5d }
$sequence_10 = { 6a00 ffd0 6896000000 ff15???????? 68???????? ff15???????? }
$sequence_11 = { c3 68c8390324 6a01 e8???????? 59 59 }
$sequence_12 = { 7404 3bc3 7534 8bfb eb5d }
$sequence_13 = { e8???????? 59 59 53 ffd0 56 57 }
$sequence_14 = { 59 59 8b4df8 8d4c0902 }
$sequence_15 = { ffd0 5d c3 68e4559fda 6a05 e8???????? }
condition:
7 of them and filesize < 188416
}
Chaînes (16 motifs)
| Identifiant | Type | Valeur | Modificateurs |
|---|---|---|---|
| $sequence_0 | hex | { 85c0 7507 55 e8???????? 59 6852244332 } | |
| $sequence_1 | hex | { 57 6a01 57 ff75e4 ffd0 85c0 7428 } | |
| $sequence_2 | hex | { 6a00 68???????? e8???????? 8b3d???????? 83c40c 56 68???????? } | |
| $sequence_3 | hex | { 56 57 8bf2 8bd9 6a01 } | |
| $sequence_4 | hex | { ff15???????? 6a00 ff7508 ba???????? 8bcb e8???????? 83c408 } | |
| $sequence_5 | hex | { 83feff 0f843c010000 8b8d8cefffff e8???????? 85c0 } | |
| $sequence_6 | hex | { f7e1 c1ea06 69d2e8030000 2bca 750c ffb5e4fbffff ff15???????? } | |
| $sequence_7 | hex | { 33c0 33ff 6805ad890d 47 57 8945f0 8945f8 } | |
| $sequence_8 | hex | { 85c0 0f852b010000 68???????? 68???????? } | |
| $sequence_9 | hex | { 7557 b801000000 8b4dfc 33cd e8???????? 8be5 5d } | |
| $sequence_10 | hex | { 6a00 ffd0 6896000000 ff15???????? 68???????? ff15???????? } | |
| $sequence_11 | hex | { c3 68c8390324 6a01 e8???????? 59 59 } | |
| $sequence_12 | hex | { 7404 3bc3 7534 8bfb eb5d } | |
| $sequence_13 | hex | { e8???????? 59 59 53 ffd0 56 57 } | |
| $sequence_14 | hex | { 59 59 8b4df8 8d4c0902 } | |
| $sequence_15 | hex | { ffd0 5d c3 68e4559fda 6a05 e8???????? } |
Condition
7 of them and filesize < 188416En clair (Heuristique)
- Le fichier doit faire moins de 188416 (garde-fou peu coûteux qui écarte les gros fichiers).
- Au moins 7 motifs de la règle doivent être trouvés.
Tester cette règle dans votre navigateur
Déposez un fichier pour le scanner avec cette règle grâce à YARA-X compilé en WebAssembly. Rien n’est envoyé.
Licence et attribution
Auteur : Felix Bilstein - yara-signator at cocacoding dot com
Dépôt source : Malpedia signator rules @ c901f97b7d
Licence : Creative Commons Attribution-ShareAlike 4.0 (licence du dépôt)
Reprise via YARA Forge 20260927, qui préfixe les noms de règles par la source et ajoute des champs meta normalisés.
Identifiant de règle: efd95819-510c-51fc-a4b8-e52f024c6ab7
Métadonnées
| 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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