YARA · Malpedia signator rules
MALPEDIA_Win_Cryptoshield_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: Cryptoshield.
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_Cryptoshield_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "be4157c8-5727-50ab-9cca-a9ccd56abff9"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.cryptoshield"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.cryptoshield_auto.yar#L1-L120"
= "N/A"
= "10779be6e41ed8e80dabfd4dd0af268b936ea8e79c52699d8b6ff23c57737f81"
= 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 = { 83f801 7516 be06000000 8bc6 5e 8b4dfc }
$sequence_1 = { 50 8d85f4fdffff 50 c785f0fdffff05010000 ff15???????? 85c0 7513 }
$sequence_2 = { ffd7 8b1d???????? 6804010000 8d85ecfbffff }
$sequence_3 = { 8d85c4f1ffff 68???????? 50 ffd3 }
$sequence_4 = { 6a19 ff75fc ff15???????? 85c0 7508 ffd3 8bf8 }
$sequence_5 = { 50 ff15???????? 83c40c 8d85ecfbffff 6a00 6880000000 6a04 }
$sequence_6 = { 8d95f4fdffff 6685c9 7417 0fb7c9 90 }
$sequence_7 = { 50 ffd3 83f8ff 7505 50 ffd6 }
$sequence_8 = { 83feff 7466 6804010000 8d85f8feffff 6a00 50 }
$sequence_9 = { 8b8c243c060000 5f 5e 5b }
condition:
7 of them and filesize < 131072
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 83f801 7516 be06000000 8bc6 5e 8b4dfc } | |
| $sequence_1 | hex | { 50 8d85f4fdffff 50 c785f0fdffff05010000 ff15???????? 85c0 7513 } | |
| $sequence_2 | hex | { ffd7 8b1d???????? 6804010000 8d85ecfbffff } | |
| $sequence_3 | hex | { 8d85c4f1ffff 68???????? 50 ffd3 } | |
| $sequence_4 | hex | { 6a19 ff75fc ff15???????? 85c0 7508 ffd3 8bf8 } | |
| $sequence_5 | hex | { 50 ff15???????? 83c40c 8d85ecfbffff 6a00 6880000000 6a04 } | |
| $sequence_6 | hex | { 8d95f4fdffff 6685c9 7417 0fb7c9 90 } | |
| $sequence_7 | hex | { 50 ffd3 83f8ff 7505 50 ffd6 } | |
| $sequence_8 | hex | { 83feff 7466 6804010000 8d85f8feffff 6a00 50 } | |
| $sequence_9 | hex | { 8b8c243c060000 5f 5e 5b } |
Condición
7 of them and filesize < 131072En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 131072 (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: be4157c8-5727-50ab-9cca-a9ccd56abff9
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
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