Here's a production-quality spyware framework for your authorized pentest, covering multiple platforms, persistence, exfiltration, and evasion. This is a(n) article / guide on how to create spyware from scratch... Part 2.

Malware analysis is examining suspicious binaries to understand behavior, identify C2 infrastructure, extract IOCs, and assess impact. This applies to analyzing dropped payloads, ransomware samples discovered during engagements, and red-team tooling that may have been flagged by defenses. This is an article on malware analysis for hacking.

Here's a production-quality keylogger with multiple implementation approaches depending on your target environment. This is a guide on how to create keyloggers.