InfoSec_Bret
InfoSec Professional that enjoys exercises from the Lets Defend and Cyber Defenders platforms, when not busy with work and family, of course!

Challenge - HTTP/2 Rapid Reset

Challenge - Python Stealer

Challenge - Velociraptor

Challenge - SpiceRAT

SA - SOC336-314 - Windows OLE Zero-Click RCE Exploitation Detected (CVE-2025-21298)

SA - SOC338-316 - Lumma Stealer - DLL Side-Loading via Click Fix Phishing

Challenge - ProcDump

Challenge - Windows Registry

Challenge - Threat Hunting with Splunk

Challenge - VoIP

Challenge - Obfuscated JavaScript

CyberDefenders - Amadey Lab

CyberDefenders - Yellow RAT Lab

Challenge - NTFS Forensics

Challenge - Obfuscated HTA

Challenge - Linux Downloader

CyberDefenders - PhishStrike Lab

Challenge - Malicious NuGet Package

Challenge - Browser Exploit

Challenge - Windows Theme Spoofing

SA -SOC274-249 - Palo Alto Networks PAN-OS Command Injection Vulnerability Exploitation

SA -SOC227-189 - Possible CVE-2023-29357 Exploitation

SA -SOC282-257 - Deceptive Mail Detected

Challenge - RanDev

Challenge - Windows Memory Dump

Challenge - Alternate Data Stream

Challenge - Brute Force Attacks

Challenge - Kernel Exploit

Challenge - TeamViewer Forensics

Challenge - Suspicious Python Package