SshStalker

SshStalker
Dificultad
Dificultad Basic
Puntuación
Puntuación 2000
Etiquetas
Completados
Completados 7
Autores
Calificación

NorthLedger has identified unusual activity on one of its Linux jump servers, nl-jump01.

The server is exposed to regular SSH traffic, making it difficult to separate routine noise from genuine malicious activity. You have been provided with authentication, system, audit and shell history logs.

Your task is to identify the point of compromise and reconstruct what happened.

Defensive Entry Level


Actividad

Laboratorio publicado 2026-07-23 18:00:00

noother obtuvo el 1.º blood

2026-07-23 23:57:13

rayaseiren obtuvo el 2.º blood

2026-07-24 22:46:09

koioshitai obtuvo el 3.º blood

2026-07-26 02:57:45

G_Smith obtuvo el 4.º blood

2026-08-04 17:23:30

LACiA obtuvo el 5.º blood

2026-08-14 01:34:07