YARA · Malpedia signator rules
MALPEDIA_Win_Comebacker_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 : Comebacker.
Elle définit 15 motifs (0 texte, 15 hex, 0 regex).
Résumé généré à partir des métadonnées et de la condition de la règle.
Source de la règle
rule MALPEDIA_Win_Comebacker_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "283e196d-4b65-5a97-9fa8-14d372a10e7d"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.comebacker"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.comebacker_auto.yar#L1-L160"
= "N/A"
= "f005bb35ac6298943648f97e044ccda3f9c6413b06990126be1e4da06640dd63"
= 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 = { 7f04 0430 eb02 0437 }
$sequence_1 = { 4d85c0 7526 418d5072 4c8d0de4d40300 c7442420f2020000 448d42d0 }
$sequence_2 = { 4c8bc3 66f2af 33ff 488d442440 }
$sequence_3 = { 442bc1 488bca 4c8d2defa60300 0f1f8000000000 }
$sequence_4 = { 4885c0 7522 4c8d0d85f80300 8d5075 8d4804 448d4041 }
$sequence_5 = { 33d2 41b806020000 885dd0 488945d1 8945d9 }
$sequence_6 = { ba67000000 4c8d0d0ac80200 c7442420ab030000 8d4aa9 448d42ff e8???????? }
$sequence_7 = { 4c8be8 ff15???????? 488d156de10200 488bcb 488bf8 ff15???????? }
$sequence_8 = { 6aff 68???????? 6800020000 53 ff15???????? e8???????? 3bc3 }
$sequence_9 = { 8944242c 8b1c9538500410 8b542414 c1ea18 }
$sequence_10 = { e8???????? 83c40c 8d8d8cf6ffff 51 8d55e8 52 }
$sequence_11 = { 83c43c 8903 5f 8bc6 33cd 5e }
$sequence_12 = { 8b0485e01f0910 c644080401 57 e8???????? }
$sequence_13 = { 6a00 6a00 8bf0 8d8570ffffff 6a00 50 e8???????? }
$sequence_14 = { 03c0 8d9dc8f8ffff 8985c8f8ffff e8???????? 8bbdc8f8ffff 6802200300 }
condition:
7 of them and filesize < 1429504
}
Chaînes (15 motifs)
| Identifiant | Type | Valeur | Modificateurs |
|---|---|---|---|
| $sequence_0 | hex | { 7f04 0430 eb02 0437 } | |
| $sequence_1 | hex | { 4d85c0 7526 418d5072 4c8d0de4d40300 c7442420f2020000 448d42d0 } | |
| $sequence_2 | hex | { 4c8bc3 66f2af 33ff 488d442440 } | |
| $sequence_3 | hex | { 442bc1 488bca 4c8d2defa60300 0f1f8000000000 } | |
| $sequence_4 | hex | { 4885c0 7522 4c8d0d85f80300 8d5075 8d4804 448d4041 } | |
| $sequence_5 | hex | { 33d2 41b806020000 885dd0 488945d1 8945d9 } | |
| $sequence_6 | hex | { ba67000000 4c8d0d0ac80200 c7442420ab030000 8d4aa9 448d42ff e8???????? } | |
| $sequence_7 | hex | { 4c8be8 ff15???????? 488d156de10200 488bcb 488bf8 ff15???????? } | |
| $sequence_8 | hex | { 6aff 68???????? 6800020000 53 ff15???????? e8???????? 3bc3 } | |
| $sequence_9 | hex | { 8944242c 8b1c9538500410 8b542414 c1ea18 } | |
| $sequence_10 | hex | { e8???????? 83c40c 8d8d8cf6ffff 51 8d55e8 52 } | |
| $sequence_11 | hex | { 83c43c 8903 5f 8bc6 33cd 5e } | |
| $sequence_12 | hex | { 8b0485e01f0910 c644080401 57 e8???????? } | |
| $sequence_13 | hex | { 6a00 6a00 8bf0 8d8570ffffff 6a00 50 e8???????? } | |
| $sequence_14 | hex | { 03c0 8d9dc8f8ffff 8985c8f8ffff e8???????? 8bbdc8f8ffff 6802200300 } |
Condition
7 of them and filesize < 1429504En clair (Heuristique)
- Le fichier doit faire moins de 1429504 (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: 283e196d-4b65-5a97-9fa8-14d372a10e7d
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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