Simple Mail Transfer Protocol(SMTP), bir IP ağında e-posta göndermek için kullanılan bir protokoldür. İki SMTP sunucusu arasında ya da…

Hey there, fellow security enthusiasts! Today, we’re going to talk about something that might blow your mind. How an SMTP conversation can…

Learn about the core TCP/IP protocols.

February 2025 | By Mateo Flores

During my recent research on Google dorking and email protocols, I stumbled upon an intriguing question: Is it possible to combine the…

While researching Google Dorking over my favorite cup of coffee ☕, I stumbled upon something unexpected — an exposed mail server belonging…

Bug bounty hunting is full of surprises, and sometimes, the easiest vulnerabilities can pay the most. This is the story of how I stumbled…

Socket discovers Python packages abusing Gmail SMTP for covert C2 tunnels, evading firewalls and exfiltrating data through trusted email infrastructure.

Solution for the Footprinting: SMTP module.

Goal: Document a realistic and practical approach aligned with the OSEP mindset. Focused on post-exploitation, lateral movement, and…

Initial Access & Enumeration — SMTP Vuln

The Opossum Attack is a new desynchronization flaw exploiting implicit/opportunistic TLS in protocols like HTTP, allowing MitM to compromise encrypted connections. Over 3M servers affected.