YARA · Malpedia signator rules
MALPEDIA_Win_Atmosphere_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: Atmosphere.
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_Atmosphere_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "ca63c9fa-30a8-5d9c-b237-90751a378aa4"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.atmosphere"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.atmosphere_auto.yar#L1-L113"
= "N/A"
= "bec5a8b07d3d360e72629aac51bf0b691bf24bf4167a305760c736df73365d93"
= 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 = { 50 8bcf ff5338 5f 5e }
$sequence_1 = { 57 8bf9 6a2e e8???????? 8bf0 }
$sequence_2 = { 56 f6d8 1bc0 57 83e002 }
$sequence_3 = { e8???????? 83ec10 c645fc02 8bcc 8965e8 50 51 }
$sequence_4 = { 83ec10 c645fc02 8bcc 8965e8 50 51 }
$sequence_5 = { 57 8d45e0 8965f0 8bf1 }
$sequence_6 = { 8bf9 8b06 8bce 8b1f }
$sequence_7 = { 8bce 50 ff15???????? 8d4e16 }
$sequence_8 = { 33c0 894612 894616 89461a 884e1e }
$sequence_9 = { 8b5104 668b0402 8b542404 668902 }
condition:
7 of them and filesize < 360448
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 50 8bcf ff5338 5f 5e } | |
| $sequence_1 | hex | { 57 8bf9 6a2e e8???????? 8bf0 } | |
| $sequence_2 | hex | { 56 f6d8 1bc0 57 83e002 } | |
| $sequence_3 | hex | { e8???????? 83ec10 c645fc02 8bcc 8965e8 50 51 } | |
| $sequence_4 | hex | { 83ec10 c645fc02 8bcc 8965e8 50 51 } | |
| $sequence_5 | hex | { 57 8d45e0 8965f0 8bf1 } | |
| $sequence_6 | hex | { 8bf9 8b06 8bce 8b1f } | |
| $sequence_7 | hex | { 8bce 50 ff15???????? 8d4e16 } | |
| $sequence_8 | hex | { 33c0 894612 894616 89461a 884e1e } | |
| $sequence_9 | hex | { 8b5104 668b0402 8b542404 668902 } |
Condición
7 of them and filesize < 360448En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 360448 (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: ca63c9fa-30a8-5d9c-b237-90751a378aa4
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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