In late January 2010 the GNAA used an obscure method , known as cross-protocol scripting ( a combination of cross-site scripting and inter-protocol exploitation ) to cause users of the freenode IRC network to unknowingly crapflood IRC channels after visiting websites containing inter-protocol exploits .
GNAA used an old but little known way to force users of the Freenode IRC network to flood IRC channels after going to websites that have malware .