Galicia, Spain | Self-taught security researcher and creative developer specializing in privacy-focused solutions, offensive security tools, and innovative open-source contributions. Active member of elhacker.net community since 2012.
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Security: Vulnerability Research, Development, Cryptography
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Platforms: Android, Linux
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Technologies: Full-Stack, App development, CLI, Automation
| Project | Preview | Description |
|---|---|---|
| Panther | Privacy-focused Android browser | |
| SOSCW | Linux Userland Distro for Hacking | |
| Termux Hacking 101 | Book about Termux and Hacking | |
| Dark Messenger | Anonymous and decentralized messaging app | |
| invjsible | Hides data in plain sight with steganography | |
| StartPage | WebApp to use as the home page for browsers | |
| Kotlin APK Template | Compile Android APKs in 2 minutes - ZERO installation required | |
| AIehnBOT | Injects a LLM response into foro.elhacker.net | |
| Simple Arguments Parser | Create CLI tools (js, ts, rust, bash) | |
| Steel Spell Scale | Turn Based RPG | |
| Vulnera | Run and manage multiple vulnerable server environments | |
| Self Control | Control your Android device programatically without root (no PC) | |
| TGBOT.sh | Run commands in a remote system using Telegram chat | |
| nbmxbsf | General Purpouse Telegram Bot (engine) | |
| Fast Framework | Javascript Framework (components, ts, jsx, router, vdom, ...) | |
| Bug Writeups | SPA made with Fast Framework to post vulnerabilities I discovered |
- Open Source: 50+ open source public repositories, 800+ collective stars
- Research: Active CVE hunter and bug bounty participant
- Education: Author of technical Spanish cybersecurity literature
For professional inquiries, security research collaboration, or custom development:
- Email: stringmanolo@gmail.com
- Telegram: stringmanolo
- Linkedin: Manuel Varela Caldas
- X/Twitter: XSStringManolo
If my tools or research have helped you, consider supporting continued development:
| Method | Details |
|---|---|
| GitHub Sponsors | |
| Stripe | Secure Payment |
| Monero (XMR) | 428z8183vxPDnvrU7TKpjmiYjqsknqZGVHzk458KZCnRNQWcfJbEXxd1BUfyQoRX1uPssnynN7KwMh2GMeWfK7BeFp1htMA |
All donations fund open-source security research and privacy tool development.