Profile Overview

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.

Core Expertise

• Security: Vulnerability Research, Development, Cryptography

• Platforms: Android, Linux

• Technologies: Full-Stack, App development, CLI, Automation

Featured Projects

| 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, c++, 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 |

Community Engagement

• 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

Contact & Collaboration

For professional inquiries, security research collaboration, or custom development:

• Email: stringmanolo@gmail.com
• Telegram: stringmanolo
• Linkedin: Manuel Varela Caldas
• X/Twitter: XSStringManolo

Support My Work

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.

Recognition