YARA · Malpedia signator rules
MALPEDIA_Win_Nitol_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: Nitol.
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_Nitol_Auto : FILE
{
meta:
= "autogenerated rule brought to you by yara-signator"
= "Felix Bilstein - yara-signator at cocacoding dot com"
= "07bc96c1-8d17-58a0-80ec-ae5379b402ed"
= "2026-05-04"
= "2026-05-18"
= "https://malpedia.caad.fkie.fraunhofer.de/details/win.nitol"
= "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.nitol_auto.yar#L1-L130"
= "N/A"
= "82c2a68612e12aded4836d47bdea7c1b30040c881715db399f21276eb84f1f65"
= 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 = { 8dbd7cffffff 2bfe 8a06 3c2e 7503 ff45fc 837dfc03 }
$sequence_1 = { 8d44242c 55 50 53 8b5c241c 56 53 }
$sequence_2 = { 53 56 57 e8???????? 33db a3???????? 3bc3 }
$sequence_3 = { 8d442430 55 bb7fffffff 50 53 }
$sequence_4 = { 50 ff15???????? 83c410 eb1c 8b45fc ff7485c4 8d8560ffffff }
$sequence_5 = { 6a28 e8???????? 59 40 50 8d8558f7ffff }
$sequence_6 = { e9???????? 8b8688000000 33ed 83c014 85c0 7e7f }
$sequence_7 = { 83650c00 6a0a 8d4dc0 e8???????? 8365fc00 e8???????? 8b4004 }
$sequence_8 = { c645dddb c645dec1 c645dfda c645e09d c645e1fe c645e29f c645e3c1 }
$sequence_9 = { 50 e8???????? 83c40c 33db 6a01 53 53 }
condition:
7 of them and filesize < 139264
}
Cadenas (10 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $sequence_0 | hex | { 8dbd7cffffff 2bfe 8a06 3c2e 7503 ff45fc 837dfc03 } | |
| $sequence_1 | hex | { 8d44242c 55 50 53 8b5c241c 56 53 } | |
| $sequence_2 | hex | { 53 56 57 e8???????? 33db a3???????? 3bc3 } | |
| $sequence_3 | hex | { 8d442430 55 bb7fffffff 50 53 } | |
| $sequence_4 | hex | { 50 ff15???????? 83c410 eb1c 8b45fc ff7485c4 8d8560ffffff } | |
| $sequence_5 | hex | { 6a28 e8???????? 59 40 50 8d8558f7ffff } | |
| $sequence_6 | hex | { e9???????? 8b8688000000 33ed 83c014 85c0 7e7f } | |
| $sequence_7 | hex | { 83650c00 6a0a 8d4dc0 e8???????? 8365fc00 e8???????? 8b4004 } | |
| $sequence_8 | hex | { c645dddb c645dec1 c645dfda c645e09d c645e1fe c645e29f c645e3c1 } | |
| $sequence_9 | hex | { 50 e8???????? 83c40c 33db 6a01 53 53 } |
Condición
7 of them and filesize < 139264En palabras sencillas (Heurística)
- El archivo debe ocupar menos de 139264 (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: 07bc96c1-8d17-58a0-80ec-ae5379b402ed
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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