xlabs_v1 DDoS-for-Hire Operation Exposed: How an Operator's Debug Build Unraveled a Commercial Game-Server Botnet

## Executive summary This report analyzes a Mirai-derived DDoS-for-hire botnet dubbed xlabs_v1 (operator handle "Tadashi") discovered via an exposed open directory on 176.65.139.44: it documents multi-architecture payloads delivered via ADB (TCP/5555), a UPX-packed ARM binary with ChaCha20-protected string table (weak key reuse), 21 attack variants tailored for game servers (including RakNet/Minecraft), per-bot bandwidth profiling (8,192 sockets) used for pricing, competitor-killing behavior, OpenNIC DNS fallback, inbound fallback listener on TCP/26721, multiple operator-controlled hosts within 176.65.139.0/24, plus a comprehensive IOC set (domains, IPs, ports, file hashes, paths, and credentials) for detection and remediation.