Add Rupurt rootkit hunter and NullSec LogReaper to Tools section

[bad-antics]

Additions

1. Rupurt — Linux Rootkit Hunter

Rupurt — An advanced Linux rootkit detection tool featuring:

• 250+ detection signatures for known rootkits, kernel backdoors, and LKM-based threats
• eBPF-based runtime monitoring for real-time kernel event interception
• Kernel module integrity analysis and hidden process detection
• Filesystem integrity checking with hash verification
• Designed for incident response and proactive threat hunting on Linux hosts

2. NullSec LogReaper — Log Analysis & Forensics Tool

NullSec LogReaper — A high-speed log analysis tool for threat hunting:

• Parses syslog, auth logs, journald, and custom log formats
• Pattern matching engine with built-in IOC detection rules
• Anomaly detection for brute force attempts, privilege escalation, lateral movement
• Timeline correlation across multiple log sources
• Designed for DFIR workflows and SOC operations

Both tools are open source, actively maintained, and complement the existing threat detection tooling in this list.