Rastko A.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Sep 25, 2026.

🔬 Reverse Engineering & Security Analysis Binary analysis for security vulnerabilities, legacy system documentation, and interoperability Software activation integrity assessment to help vendors protect their IP Firmware unpacking, bootloader analysis, and embedded system forensics APK decompilation for security auditing and compliance 🛡️ Anti-Cheat Consulting & Game Integrity Reverse engineering of cheating tools to help game studios improve detection Design and audit of kernel-level anti-cheat systems (Windows, Linux) Memory integrity verification, handle stripping, and hypervisor-assisted detection Threat intelligence on cheat marketplaces and subscription models to strengthen product defense ☣️ Malware, Rootkit & Threat Analysis Full dissection of ransomware, backdoors, infostealers, and banking trojans Kernel-mode rootkit and bootkit forensics (DKOM, SSDT hooks, IRP filtering) Threat intelligence reporting with custom Yara rule creation Incident response support: rootkit and ransomware removal from servers and workstations 🔐 VPN & Network Security VPN setup, troubleshooting, and hardening (WireGuard, OpenVPN, IPsec) Traffic analysis, firewall configuration, and network segmentation Deep packet inspection (DPI) and protocol analysis for anomaly detection Secure infrastructure design for high-risk environments (journalists, activists, enterprises)