YARA · Malpedia signator rules
MALPEDIA_Win_Kimsuky_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 / 73
Ce que détecte cette règle
autogenerated rule brought to you by yara-signator
Famille de malware associée : Kimsuky.
Elle définit 31 motifs (0 texte, 31 hex, 0 regex).
Résumé généré à partir des métadonnées et de la condition de la règle.
Source de la règle
rule MALPEDIA_Win_Kimsuky_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "f6b89441-1987-5ba0-8edf-1ab8837a162a"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.kimsuky"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.kimsuky_auto.yar#L1-L298"
= "N/A"
= "0302f9bb4ba03cc69300f88428cb54ddc311de48a95ef36985a3fb1ba768c7bd"
= 75
= 73
= "FILE"
= "1"
= "yara-signator v0.6.0"
= "callsandjumps;datarefs;binvalue"
= "20260422"
= "a182e35da64e6d71cb55f125c4d4225196523f14"
= "20260504"
= "CC BY-SA 4.0"
= "TLP:WHITE"
strings:
$sequence_0 = { ff15???????? 3db7000000 7503 56 eb18 6a00 6a00 }
$sequence_1 = { 8d85f0feffff 50 68???????? ff15???????? 6a04 6a00 }
$sequence_2 = { 56 85ff 740a 33ff }
$sequence_3 = { ffd7 a3???????? 8d85ecfbffff 50 53 ffd7 }
$sequence_4 = { 7516 ff15???????? 8bd8 e8???????? 0fafd8 }
$sequence_5 = { 50 8d85f8feffff 50 8d85f4fdffff 68???????? 50 e8???????? }
$sequence_6 = { 6a00 68???????? ff15???????? 6a00 8d85e8fdffff 50 }
$sequence_7 = { 56 ffd7 a3???????? 8d85ccf3ffff 50 56 }
$sequence_8 = { ffd6 8bd8 85db 7510 5e 5b 8b4dfc }
$sequence_9 = { 4c897c2468 41bb01000000 418d5b02 4d85ed }
$sequence_10 = { 4c897c2460 ffd6 458b4754 488bd5 4c8bf0 4d85c0 }
$sequence_11 = { 4889742438 4533ff 4c89642428 4c896c2420 33f6 4533ed 4533e4 }
$sequence_12 = { 4d8b36 4d85f6 0f8540feffff 488b6c2460 4c637d3c 33c9 }
$sequence_13 = { 488b6c2470 4d8bc6 4d2b4730 4183bfb400000000 }
$sequence_14 = { 4c8b7c2460 4c8b6c2420 4c8b642428 488b7c2430 488b742438 488b6c2470 4d8bc6 }
$sequence_15 = { 4d03d1 4d03d9 666666660f1f840000000000 418b0a }
$sequence_16 = { 488d8a38000000 e9???????? 488d8a28010000 e9???????? }
$sequence_17 = { 8bd7 3bd8 0f94c2 85d2 7419 }
$sequence_18 = { 894d90 8bc1 81fb00000001 0f97c0 }
$sequence_19 = { 4c89642430 c744242880000000 c744242002000000 4533c9 4533c0 ba00000040 }
$sequence_20 = { 8b7590 660f1f440000 837df000 0f841b020000 }
$sequence_21 = { 83f809 8d7340 7405 be20000000 c68424a000000000 33d2 }
$sequence_22 = { 8b442468 6683f809 7508 83f809 }
$sequence_23 = { 898521010000 66898525010000 888527010000 8b742450 }
$sequence_24 = { 85c0 0f94c1 85c9 0f8494020000 89bda0000000 897d30 }
$sequence_25 = { 488dac24d0c1ffff b8303f0000 e8???????? 482be0 }
$sequence_26 = { 488dac24c0fdffff 4881ec40030000 488b05???????? 4833c4 48898530020000 488bf1 }
$sequence_27 = { 488dac24d0fbffff 4881ec30050000 488b05???????? 4833c4 48898520040000 488bf9 }
$sequence_28 = { 488dac24a0feffff 4881ec60020000 488b05???????? 4833c4 48898558010000 4c8bf9 }
$sequence_29 = { 488dac2490f5ffff 4881ec700b0000 488b05???????? 4833c4 488985600a0000 8a4208 4c8d1d5a98fcff }
$sequence_30 = { 488dac2480feffff 4881ec80020000 488b05???????? 4833c4 48898570010000 488bf1 488d4dc8 }
condition:
7 of them and filesize < 1021952
}
Chaînes (31 motifs)
| Identifiant | Type | Valeur | Modificateurs |
|---|---|---|---|
| $sequence_0 | hex | { ff15???????? 3db7000000 7503 56 eb18 6a00 6a00 } | |
| $sequence_1 | hex | { 8d85f0feffff 50 68???????? ff15???????? 6a04 6a00 } | |
| $sequence_2 | hex | { 56 85ff 740a 33ff } | |
| $sequence_3 | hex | { ffd7 a3???????? 8d85ecfbffff 50 53 ffd7 } | |
| $sequence_4 | hex | { 7516 ff15???????? 8bd8 e8???????? 0fafd8 } | |
| $sequence_5 | hex | { 50 8d85f8feffff 50 8d85f4fdffff 68???????? 50 e8???????? } | |
| $sequence_6 | hex | { 6a00 68???????? ff15???????? 6a00 8d85e8fdffff 50 } | |
| $sequence_7 | hex | { 56 ffd7 a3???????? 8d85ccf3ffff 50 56 } | |
| $sequence_8 | hex | { ffd6 8bd8 85db 7510 5e 5b 8b4dfc } | |
| $sequence_9 | hex | { 4c897c2468 41bb01000000 418d5b02 4d85ed } | |
| $sequence_10 | hex | { 4c897c2460 ffd6 458b4754 488bd5 4c8bf0 4d85c0 } | |
| $sequence_11 | hex | { 4889742438 4533ff 4c89642428 4c896c2420 33f6 4533ed 4533e4 } | |
| $sequence_12 | hex | { 4d8b36 4d85f6 0f8540feffff 488b6c2460 4c637d3c 33c9 } | |
| $sequence_13 | hex | { 488b6c2470 4d8bc6 4d2b4730 4183bfb400000000 } | |
| $sequence_14 | hex | { 4c8b7c2460 4c8b6c2420 4c8b642428 488b7c2430 488b742438 488b6c2470 4d8bc6 } | |
| $sequence_15 | hex | { 4d03d1 4d03d9 666666660f1f840000000000 418b0a } | |
| $sequence_16 | hex | { 488d8a38000000 e9???????? 488d8a28010000 e9???????? } | |
| $sequence_17 | hex | { 8bd7 3bd8 0f94c2 85d2 7419 } | |
| $sequence_18 | hex | { 894d90 8bc1 81fb00000001 0f97c0 } | |
| $sequence_19 | hex | { 4c89642430 c744242880000000 c744242002000000 4533c9 4533c0 ba00000040 } | |
| $sequence_20 | hex | { 8b7590 660f1f440000 837df000 0f841b020000 } | |
| $sequence_21 | hex | { 83f809 8d7340 7405 be20000000 c68424a000000000 33d2 } | |
| $sequence_22 | hex | { 8b442468 6683f809 7508 83f809 } | |
| $sequence_23 | hex | { 898521010000 66898525010000 888527010000 8b742450 } | |
| $sequence_24 | hex | { 85c0 0f94c1 85c9 0f8494020000 89bda0000000 897d30 } | |
| $sequence_25 | hex | { 488dac24d0c1ffff b8303f0000 e8???????? 482be0 } | |
| $sequence_26 | hex | { 488dac24c0fdffff 4881ec40030000 488b05???????? 4833c4 48898530020000 488bf1 } | |
| $sequence_27 | hex | { 488dac24d0fbffff 4881ec30050000 488b05???????? 4833c4 48898520040000 488bf9 } | |
| $sequence_28 | hex | { 488dac24a0feffff 4881ec60020000 488b05???????? 4833c4 48898558010000 4c8bf9 } | |
| $sequence_29 | hex | { 488dac2490f5ffff 4881ec700b0000 488b05???????? 4833c4 488985600a0000 8a4208 4c8d1d5a98fcff } | |
| $sequence_30 | hex | { 488dac2480feffff 4881ec80020000 488b05???????? 4833c4 48898570010000 488bf1 488d4dc8 } |
Condition
7 of them and filesize < 1021952En clair (Heuristique)
- Le fichier doit faire moins de 1021952 (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: f6b89441-1987-5ba0-8edf-1ab8837a162a
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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