YARA · Signature Base (Florian Roth / Nextron)
SIGNATURE_BASE_HKTL_NET_GUID_Lime_RAT
Detects VB.NET red/black-team tools via typelibguid
- Autor
- Arnim Rupp (https://github.com/ruppde)
- Fecha
- 2020-12-30
- Modificada
- 2025-08-15
- Puntuación / Calidad
- 75 / 83
Qué detecta esta regla
Detects VB.NET red/black-team tools via typelibguid
Familia de malware asociada: Limerat.
Objetivos: PE de Windows.
Define 21 patrones (21 de texto, 0 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
rule SIGNATURE_BASE_HKTL_NET_GUID_Lime_RAT : FILE
{
meta:
= "Detects VB.NET red/black-team tools via typelibguid"
= "Arnim Rupp (https://github.com/ruppde)"
= "31a0e9ca-9da1-557a-bcc5-1351fa90a0e1"
= "2020-12-30"
= "2025-08-15"
= "https://github.com/NYAN-x-CAT/Lime-RAT"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/gen_github_net_redteam_tools_guids.yar#L3947-L3980"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
= "eee41a29dc6b336c14abedaad767b8a0a529917bbc9096829114f302ed93f53c"
= 75
= 83
= "FILE"
= "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
strings:
$typelibguid0lo = "e58ac447-ab07-402a-9c96-95e284a76a8d" ascii wide
$typelibguid1lo = "8fb35dab-73cd-4163-8868-c4dbcbdf0c17" ascii wide
$typelibguid2lo = "37845f5b-35fe-4dce-bbec-2d07c7904fb0" ascii wide
$typelibguid3lo = "83c453cf-0d29-4690-b9dc-567f20e63894" ascii wide
$typelibguid4lo = "8b1f0a69-a930-42e3-9c13-7de0d04a4add" ascii wide
$typelibguid5lo = "eaaeccf6-75d2-4616-b045-36eea09c8b28" ascii wide
$typelibguid6lo = "5b2ec674-0aa4-4209-94df-b6c995ad59c4" ascii wide
$typelibguid7lo = "e2cc7158-aee6-4463-95bf-fb5295e9e37a" ascii wide
$typelibguid8lo = "d04ecf62-6da9-4308-804a-e789baa5cc38" ascii wide
$typelibguid9lo = "8026261f-ac68-4ccf-97b2-3b55b7d6684d" ascii wide
$typelibguid10lo = "212cdfac-51f1-4045-a5c0-6e638f89fce0" ascii wide
$typelibguid11lo = "c1b608bb-7aed-488d-aa3b-0c96625d26c0" ascii wide
$typelibguid12lo = "4c84e7ec-f197-4321-8862-d5d18783e2fe" ascii wide
$typelibguid13lo = "3fc17adb-67d4-4a8d-8770-ecfd815f73ee" ascii wide
$typelibguid14lo = "f1ab854b-6282-4bdf-8b8b-f2911a008948" ascii wide
$typelibguid15lo = "aef6547e-3822-4f96-9708-bcf008129b2b" ascii wide
$typelibguid16lo = "a336f517-bca9-465f-8ff8-2756cfd0cad9" ascii wide
$typelibguid17lo = "5de018bd-941d-4a5d-bed5-fbdd111aba76" ascii wide
$typelibguid18lo = "bbfac1f9-cd4f-4c44-af94-1130168494d0" ascii wide
$typelibguid19lo = "1c79cea1-ebf3-494c-90a8-51691df41b86" ascii wide
$typelibguid20lo = "927104e1-aa17-4167-817c-7673fe26d46e" ascii wide
condition:
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and any of them
}
Cadenas (21 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $typelibguid0lo | texto | "e58ac447-ab07-402a-9c96-95e284a76a8d" | ascii wide |
| $typelibguid1lo | texto | "8fb35dab-73cd-4163-8868-c4dbcbdf0c17" | ascii wide |
| $typelibguid2lo | texto | "37845f5b-35fe-4dce-bbec-2d07c7904fb0" | ascii wide |
| $typelibguid3lo | texto | "83c453cf-0d29-4690-b9dc-567f20e63894" | ascii wide |
| $typelibguid4lo | texto | "8b1f0a69-a930-42e3-9c13-7de0d04a4add" | ascii wide |
| $typelibguid5lo | texto | "eaaeccf6-75d2-4616-b045-36eea09c8b28" | ascii wide |
| $typelibguid6lo | texto | "5b2ec674-0aa4-4209-94df-b6c995ad59c4" | ascii wide |
| $typelibguid7lo | texto | "e2cc7158-aee6-4463-95bf-fb5295e9e37a" | ascii wide |
| $typelibguid8lo | texto | "d04ecf62-6da9-4308-804a-e789baa5cc38" | ascii wide |
| $typelibguid9lo | texto | "8026261f-ac68-4ccf-97b2-3b55b7d6684d" | ascii wide |
| $typelibguid10lo | texto | "212cdfac-51f1-4045-a5c0-6e638f89fce0" | ascii wide |
| $typelibguid11lo | texto | "c1b608bb-7aed-488d-aa3b-0c96625d26c0" | ascii wide |
| $typelibguid12lo | texto | "4c84e7ec-f197-4321-8862-d5d18783e2fe" | ascii wide |
| $typelibguid13lo | texto | "3fc17adb-67d4-4a8d-8770-ecfd815f73ee" | ascii wide |
| $typelibguid14lo | texto | "f1ab854b-6282-4bdf-8b8b-f2911a008948" | ascii wide |
| $typelibguid15lo | texto | "aef6547e-3822-4f96-9708-bcf008129b2b" | ascii wide |
| $typelibguid16lo | texto | "a336f517-bca9-465f-8ff8-2756cfd0cad9" | ascii wide |
| $typelibguid17lo | texto | "5de018bd-941d-4a5d-bed5-fbdd111aba76" | ascii wide |
| $typelibguid18lo | texto | "bbfac1f9-cd4f-4c44-af94-1130168494d0" | ascii wide |
| $typelibguid19lo | texto | "1c79cea1-ebf3-494c-90a8-51691df41b86" | ascii wide |
| $typelibguid20lo | texto | "927104e1-aa17-4167-817c-7673fe26d46e" | ascii wide |
Condición
( uint16( 0 ) == 0x5A4D and uint32( uint32( 0x3C ) ) == 0x00004550 ) and any of themEn palabras sencillas (Heurística)
- El archivo debe empezar por «MZ»: un ejecutable de Windows (PE).
- Debe coincidir al menos un patrón 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.
Referencias
Licencia y atribución
Autor: Arnim Rupp (https://github.com/ruppde)
Repositorio de origen: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a
Licencia: Detection Rule License 1.1 (indicada en los metadatos de la regla)
“Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE”
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: 31a0e9ca-9da1-557a-bcc5-1351fa90a0e1
Etiquetas:FILE
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