YARA · Malpedia signator rules
MALPEDIA_Win_Blackbyte_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 : Blackbyte.
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_Blackbyte_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "86ddcdb3-f98f-5fed-8acf-8f25a59fe9d8"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.blackbyte"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.blackbyte_auto.yar#L1-L150"
= "N/A"
= "cae52a5068af3fb259038670fdc83a0ab679783080eb29a6c75f1c00c83ab95b"
= 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 = { 3bc2 72f4 b8ffffffff 4883c420 }
$sequence_1 = { 3bd0 0f8f7f000000 4c63c2 498bcf }
$sequence_2 = { 3bc7 7ce0 eb03 488bda }
$sequence_3 = { 3bc1 7f4d 33c9 4c63c8 }
$sequence_4 = { 48ffc2 4c8b842458010000 0f1f00 4939d0 0f8feefeffff }
$sequence_5 = { 4b8d0413 90 e8???????? 488b542458 }
$sequence_6 = { 48c744247000000000 c744247800000000 c744246800000000 48c744247000000000 }
$sequence_7 = { 3bc8 757b 498bc8 6685d2 }
$sequence_8 = { 4939c9 490f4cc9 90 4939c8 }
$sequence_9 = { 3bc2 7f2f 4c63d8 85c0 }
$sequence_10 = { 4989c1 48c1e004 4c8b940400020000 4c8b9c0408020000 }
$sequence_11 = { 3bc7 7f38 33d2 4c63c8 }
$sequence_12 = { 3bc8 7708 41034908 3bc1 }
$sequence_13 = { 4989f8 4d85c9 0f8ebb000000 488b4828 }
$sequence_14 = { 4989c1 4989c8 488b842480000000 488b8c2488000000 }
$sequence_15 = { 4939c9 0f8234020000 48014840 4829cf 4929c9 4989f8 48f7df }
condition:
7 of them and filesize < 9435136
}
Chaînes (16 motifs)
| Identifiant | Type | Valeur | Modificateurs |
|---|---|---|---|
| $sequence_0 | hex | { 3bc2 72f4 b8ffffffff 4883c420 } | |
| $sequence_1 | hex | { 3bd0 0f8f7f000000 4c63c2 498bcf } | |
| $sequence_2 | hex | { 3bc7 7ce0 eb03 488bda } | |
| $sequence_3 | hex | { 3bc1 7f4d 33c9 4c63c8 } | |
| $sequence_4 | hex | { 48ffc2 4c8b842458010000 0f1f00 4939d0 0f8feefeffff } | |
| $sequence_5 | hex | { 4b8d0413 90 e8???????? 488b542458 } | |
| $sequence_6 | hex | { 48c744247000000000 c744247800000000 c744246800000000 48c744247000000000 } | |
| $sequence_7 | hex | { 3bc8 757b 498bc8 6685d2 } | |
| $sequence_8 | hex | { 4939c9 490f4cc9 90 4939c8 } | |
| $sequence_9 | hex | { 3bc2 7f2f 4c63d8 85c0 } | |
| $sequence_10 | hex | { 4989c1 48c1e004 4c8b940400020000 4c8b9c0408020000 } | |
| $sequence_11 | hex | { 3bc7 7f38 33d2 4c63c8 } | |
| $sequence_12 | hex | { 3bc8 7708 41034908 3bc1 } | |
| $sequence_13 | hex | { 4989f8 4d85c9 0f8ebb000000 488b4828 } | |
| $sequence_14 | hex | { 4989c1 4989c8 488b842480000000 488b8c2488000000 } | |
| $sequence_15 | hex | { 4939c9 0f8234020000 48014840 4829cf 4929c9 4989f8 48f7df } |
Condition
7 of them and filesize < 9435136En clair (Heuristique)
- Le fichier doit faire moins de 9435136 (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: 86ddcdb3-f98f-5fed-8acf-8f25a59fe9d8
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
Règles liées
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