Picoctf 2023 Java Code Analysis

Modify a JWT token that has a non-random signing key.

Hey guys it's Ben today I'm going to be walking through the

In this video, Tib3rius solves the medium rated "

In this picoGym (

Video writeup for the

In this video we decompile a small

PicoCTF

00:00 Intro 00:25 'files' 00:45 Creating our own .class file 01:50 'strings' 02:15 Flag! 02:20 Examining the .class file 02:45 JD-GUI ...

Challenge:

Decompile an Android APK file using an online decompiler (http://www.javadecompilers.com/apk) and find the flag in the resulting ...

Weird bash shell capitalizes the first thing you type and spellchecks some of the rest. Using & to separate shell commands, find ...

Use Wireshark to open the PCAP file. In one of the ethernet packets is the first portion of the flag, base64 encoded. Using that first ...

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In this video, you'll learn how to

Java

There is a regular expression in the source

Learning about regular expressions in this web exploitation challenge! Mentorship, Resume Reviews and LinkedIn Profile ...