YARA · Malpedia signator rules
MALPEDIA_Win_Coronavirus_Ransomware_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: Coronavirus Ransomware.
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_Coronavirus_Ransomware_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "719d3563-ce29-55ee-9992-97c33fcb6fe3"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.coronavirus_ransomware"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.coronavirus_ransomware_auto.yar#L1-L125"
= "N/A"
= "f487de07a5f7f58c27402d2d7ff35536e962af3e08eb0d7196f340d2ce8610fb"
= 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 = { 33d2 6689959c9fffff 68fe1f0000 52 8d859e9fffff 50 }
$sequence_1 = { 68fe1f0000 50 8d8d9edfffff 51 e8???????? 83c424 }
$sequence_2 = { 8a4601 84c0 7423 0fb6d0 0fb68280fa4000 0fb615???????? }
$sequence_3 = { 68???????? 50 ff15???????? 83c41c 6a00 6a00 6a00 }
$sequence_4 = { 83ff0f 7330 eb13 6a44 }
$sequence_5 = { 0f841e030000 66833d????????00 bb???????? 0f840b030000 8bc3 8d5002 8d9b00000000 }
$sequence_6 = { 85c0 7406 8b55d0 880417 8b45c8 50 }
$sequence_7 = { 52 ff15???????? a1???????? 8b1d???????? 50 8d8df8deffff }
$sequence_8 = { 8d4900 66833f00 0f8407010000 57 ff15???????? 83f803 7413 }
$sequence_9 = { 68???????? 68???????? 6a15 b8???????? e8???????? 50 }
condition:
7 of them and filesize < 235520
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 33d2 6689959c9fffff 68fe1f0000 52 8d859e9fffff 50 } | |
| $sequence_1 | hex | { 68fe1f0000 50 8d8d9edfffff 51 e8???????? 83c424 } | |
| $sequence_2 | hex | { 8a4601 84c0 7423 0fb6d0 0fb68280fa4000 0fb615???????? } | |
| $sequence_3 | hex | { 68???????? 50 ff15???????? 83c41c 6a00 6a00 6a00 } | |
| $sequence_4 | hex | { 83ff0f 7330 eb13 6a44 } | |
| $sequence_5 | hex | { 0f841e030000 66833d????????00 bb???????? 0f840b030000 8bc3 8d5002 8d9b00000000 } | |
| $sequence_6 | hex | { 85c0 7406 8b55d0 880417 8b45c8 50 } | |
| $sequence_7 | hex | { 52 ff15???????? a1???????? 8b1d???????? 50 8d8df8deffff } | |
| $sequence_8 | hex | { 8d4900 66833f00 0f8407010000 57 ff15???????? 83f803 7413 } | |
| $sequence_9 | hex | { 68???????? 68???????? 6a15 b8???????? e8???????? 50 } |
Condición
7 of them and filesize < 235520En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 235520 (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: 719d3563-ce29-55ee-9992-97c33fcb6fe3
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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