SshStalker

SshStalker
Schwierigkeitsgrad
Schwierigkeitsgrad Basic
Punktzahl
Punktzahl 2000
Tags
Defensive
Entry Level
Abschlüsse
Abschlüsse 7
Autoren
Saladin
Bewertung

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

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Aktivitäten

Labor freigegeben 2026-07-23 18:00:00

noother haben 1. Blut

 2026-07-23 23:57:13

rayaseiren haben 2. Blut

 2026-07-24 22:46:09

koioshitai haben 3. Blut

 2026-07-26 02:57:45

G_Smith haben 4. Blut

 2026-08-04 17:23:30

LACiA haben 5. Blut

 2026-08-14 01:34:07