This report analyzes a historical class of security flaws known as “reflected vulnerabilities,” which were once potent zero-day attack vectors targeting early Windows versions and antivirus software. We examine classic exploitation techniques, such as parser attacks, packet fragmentation, and syscall abuse, which could lead to remote code execution (RCE) or privilege escalation. The objective is educational, demonstrating how modern defenses in Windows 11 and Windows Defender—such as Address Space Layout Randomization (ASLR), Data Execution
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