YARA · Malpedia signator rules
MALPEDIA_Win_Katz_Stealer_Auto
autogenerated rule brought to you by yara-signator
- Autor
- Felix Bilstein - yara-signator at cocacoding dot com
- Fecha
- 2026-05-04
- Modificada
- 2026-05-18
- Puntuación / Calidad
- 75 / 75
Qué detecta esta regla
autogenerated rule brought to you by yara-signator
Familia de malware asociada: Katz Stealer.
Define 10 patrones (0 de texto, 10 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule MALPEDIA_Win_Katz_Stealer_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "bde55bfb-328d-582b-b706-1df2d61f4bd0"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.katz_stealer"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.katz_stealer_auto.yar#L1-L129"
= "N/A"
= "3fece06f73acdaf2f0d86637cc8d424114a6d9900d5ed4c7cfdda3ff7f88d554"
= 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 = { 4d85db 0f8473feffff 48c744245801000000 4b8d445afe 31d2 4889442450 668910 }
$sequence_1 = { 488d8c2448020000 e8???????? 4885c0 0f845e010000 4896 488d442438 41b919000200 }
$sequence_2 = { 4c8d05f6ae0000 5a 4889e9 e8???????? 4889e9 ff15???????? }
$sequence_3 = { 4885f6 7450 488b8c24780c0000 e8???????? 488364242000 4889f2 }
$sequence_4 = { 488d152d880000 4c89f9 e8???????? 85c0 0f85e9040000 4c8d05a2880000 ba04010000 }
$sequence_5 = { 488d15a1690000 488d8c2474040000 e8???????? 4897 4885ff 7454 4889fa }
$sequence_6 = { 488b05???????? 4889442448 f68424c005000010 0f85c6000000 4c8dbc24ec050000 4c8d8c24ac000000 ba04010000 }
$sequence_7 = { 4c8b442460 ba08020000 488d8c2410080000 ffd6 488b442468 488364243800 4531c9 }
$sequence_8 = { 410fb701 6685c0 75d0 41f7c300020000 0f85bb010000 31c9 48895c2470 }
$sequence_9 = { 4531c9 488b2d???????? 4889f1 4158 }
condition:
7 of them and filesize < 238592
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 4d85db 0f8473feffff 48c744245801000000 4b8d445afe 31d2 4889442450 668910 } | |
| $sequence_1 | hex | { 488d8c2448020000 e8???????? 4885c0 0f845e010000 4896 488d442438 41b919000200 } | |
| $sequence_2 | hex | { 4c8d05f6ae0000 5a 4889e9 e8???????? 4889e9 ff15???????? } | |
| $sequence_3 | hex | { 4885f6 7450 488b8c24780c0000 e8???????? 488364242000 4889f2 } | |
| $sequence_4 | hex | { 488d152d880000 4c89f9 e8???????? 85c0 0f85e9040000 4c8d05a2880000 ba04010000 } | |
| $sequence_5 | hex | { 488d15a1690000 488d8c2474040000 e8???????? 4897 4885ff 7454 4889fa } | |
| $sequence_6 | hex | { 488b05???????? 4889442448 f68424c005000010 0f85c6000000 4c8dbc24ec050000 4c8d8c24ac000000 ba04010000 } | |
| $sequence_7 | hex | { 4c8b442460 ba08020000 488d8c2410080000 ffd6 488b442468 488364243800 4531c9 } | |
| $sequence_8 | hex | { 410fb701 6685c0 75d0 41f7c300020000 0f85bb010000 31c9 48895c2470 } | |
| $sequence_9 | hex | { 4531c9 488b2d???????? 4889f1 4158 } |
Condición
7 of them and filesize < 238592En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 238592 (un límite barato que descarta archivos grandes).
- Deben coincidir al menos 7 patrones de la regla.
Prueba esta regla en tu navegador
Arrastra un archivo para escanearlo con esta regla usando YARA-X compilado a WebAssembly. No se sube nada.
Licencia y atribución
Autor: Felix Bilstein - yara-signator at cocacoding dot com
Repositorio de origen: Malpedia signator rules @ c901f97b7d
Licencia: Creative Commons Attribution-ShareAlike 4.0 (licencia del repositorio)
Obtenida a través de YARA Forge 20260927, que añade a los nombres el prefijo de la fuente y campos meta normalizados.
Id de la regla: bde55bfb-328d-582b-b706-1df2d61f4bd0
Metadatos
| 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 |
Etiquetas:FILE
Reglas relacionadas
- MalwareSignature Base (Florian Roth / Nextron)· MalGamy (Nextron Systems)· 2025-05-16
- MalwareSignature Base (Florian Roth / Nextron)· Jonathan Peters (cod3nym)· 2025-05-21
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04
- MalwareMalpedia signator rules· Felix Bilstein - yara-signator at cocacoding dot com· 2026-05-04