YARA · Signature Base (Florian Roth / Nextron)
SIGNATURE_BASE_APT_Winnti_MAL_Dec19_5
Detects Winnti malware
APT / actorWinntiSignature Base (Florian Roth / Nextron)Detection Rule License 1.1Compila con YARA-X
- Autor
- Unknown
- Fecha
- 2019-12-06
- Modificada
- 2025-08-11
- Puntuación / Calidad
- 75 / 85
Qué detecta esta regla
Detects Winnti malware
Familia de malware asociada: Winnti.
Define 16 patrones (15 de texto, 1 hex, 0 regex).
Resumen generado a partir de los metadatos y la condición de la regla.
Código de la regla
apt-winnti-mal-dec19-5.yarDetection Rule License 1.1
rule SIGNATURE_BASE_APT_Winnti_MAL_Dec19_5
{
meta:
= "Detects Winnti malware"
= "Unknown"
= "2a8f28e6-5a01-5a2f-b89b-9c34163afcda"
= "2019-12-06"
= "2025-08-11"
= "https://www.verfassungsschutz.de/download/broschuere-2019-12-bfv-cyber-brief-2019-01.pdf"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/apt_winnti.yar#L242-L269"
= "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
= "977d11fbb7cf4678d4da179c43d5566520ee97ac528e269a9b985e5bc75641b7"
= 75
= 85
= ""
strings:
$a1 = "-k netsvcs" ascii
$a2 = "svchost.exe" ascii fullword
$a3 = "%SystemRoot%\\System32\\ntoskrnl.exe" ascii
$a4 = "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411015}" ascii
$a5 = "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411014}" ascii
$a6 = "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411016}" ascii
$a7 = "cmd.exe" wide
$a8 = ",XML" wide
$a9 = "\\rundll32.exe" wide
$a10 = "\\conhost.exe" wide
$a11 = "\\cmd.exe" wide
$a12 = "NtQueryInformationProcess" ascii
$a13 = "Detours!" ascii fullword
$a14 = "Loading modified build of detours library designed for MPC-HC player (http://sourceforge.net/projects/mpc-hc/)" ascii
$a15 = "CONOUT$" wide fullword
$a16 = { C6 0? E9 4? 8? 4? 05 [2] 89 4? 01 }
condition:
(12 of ( $a* ) )
}
Cadenas (16 patrones)
| Identificador | Tipo | Valor | Modificadores |
|---|---|---|---|
| $a1 | texto | "-k netsvcs" | ascii |
| $a2 | texto | "svchost.exe" | ascii fullword |
| $a3 | texto | "%SystemRoot%\\System32\\ntoskrnl.exe" | ascii |
| $a4 | texto | "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411015}" | ascii |
| $a5 | texto | "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411014}" | ascii |
| $a6 | texto | "Global\\BFE_Notify_Event_{65a097fe-6102-446a-9f9c-55dfc3f411016}" | ascii |
| $a7 | texto | "cmd.exe" | wide |
| $a8 | texto | ",XML" | wide |
| $a9 | texto | "\\rundll32.exe" | wide |
| $a10 | texto | "\\conhost.exe" | wide |
| $a11 | texto | "\\cmd.exe" | wide |
| $a12 | texto | "NtQueryInformationProcess" | ascii |
| $a13 | texto | "Detours!" | ascii fullword |
| $a14 | texto | "Loading modified build of detours library designed for MPC-HC player (http://sourceforge.net/projects/mpc-hc/)" | ascii |
| $a15 | texto | "CONOUT$" | wide fullword |
| $a16 | hex | { C6 0? E9 4? 8? 4? 05 [2] 89 4? 01 } |
Condición
(12 of ( $a* ) )En palabras sencillas (Heurística)
- Deben coincidir al menos 12 patrones de ( $a* ).
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Licencia y atribución
Autor: Unknown
Repositorio de origen: Signature Base (Florian Roth / Nextron) @ 94a1c48d7a
Licencia: Detection Rule License 1.1 (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: 2a8f28e6-5a01-5a2f-b89b-9c34163afcda
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