Cyber Security Notes

Introduction
CVEs
- CVE-2022-33106
Paper Reviews
- Imperfect Forward Secrecy: How Diffie-Hellman Fails in Practice
Security Basics Notes
- Identification, Authentication and Authorization
Enumeration and Initial Compromise
Post Exploitation
Port Forwarding Cheatsheet
Powershell Essentials
Application Security
Linux 64-bit Assembly
Cloud Security
Reverse Engineering
CTF Challenge Learnings
Applied Cryptography
- Linear Congruential Generator

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CTF Challenge Learnings

Amazon WiCys CTF

Hidden Message

Steganography

PreviousSimple PCAP NextC code using getenv()

Last updated 1 year ago

This was the simplest challenge. I ran exiftool on the photo provided in the challenge

I saw a base64 encoded message in comment's section. I decoded this like this:

echo "QW1hem9ue1N0M24wZ3JAcGh5XzEkX2hAcmR9" | base64 -d