> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/de/web-vulnerabilities/json-web-token-jwt-attack/jwt-pivoting-user-pentesting-web.md).
# JWT-Benutzer-Pivoting
## JWT-Null:
Wir authentifizieren uns als ein **normaler Benutzer** „user“ mit Rechten *Gast*:
Wir beobachten, dass wir ein **Session-Cookie** in JWT:
Von dem **Terminal**, übersetzen wir in **base64** den „Header“ und den „Payload“, indem wir die Nummernidentifikation ändern, dann entfernen wir die „Signatur prüfen“:
Wir fügen die neue **Session-Cookie** und erhalten Rechte *normal*:
## JWT-Geheimnis
Beim Testen der JWT-Null-Methode würde dies **nicht funktionieren** und der Versuch würde scheitern.
Die Idee wäre, Passwörter im **Signatur prüfen**, mit Brute-Force oder etwas Reverse Engineering zu versuchen, um das Cookie zu erhalten:
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