how to check if you have open port gateway linux

you can use nmap to test open port gateway see below or you can use nping as follows   # nping –icmp –dest-mac [gateway mac] [target ip] You can find your router’s mac in your local ARP cache: $ arp -v [gateway ip]  

Polymorphic malware

In computer terminology, polymorphic code is code that uses a polymorphic engine to mutate while keeping the original algorithm intact. That is, the code changes itself each time it runs, but the function of the code (its semantics) will not change at all. This technique is sometimes used by computer viruses, shellcodes and computer worms to hide their presence.[1]

Metamorphic Malware

Metamorphic code is code that when run outputs a logical equivalent version of its own code under some interpretation. This is similar to a quine, except that the quines source code are exactly equivalent to their own output. Metamorphic code also usually output machine code and not its own source code.

World Weird Web

A nice flash presentation.

Orion Incident Response Live CD

Orion version 0.4 (Squirrel Edition) is officially released. Orion is a Live CD based on Ubuntu (currently 11.04) that provides acquisition, analysis, collaboration, tracking and reporting tools for professional intrusion response teams.

Elevator pitch about me

Although you will read about my work in depth in this blog . Here is my elevator pitch for page runners. I started my career in 1997 after diploma in computer science from NCR and moving vertically from BA , MCS (SZABIST) where i was awarded Gold Medal award for achieving 3.9 out of 4… Continue reading Elevator pitch about me