Since IRC networks requireuse simple, low bandwidth and use simplecommunication methods formaking communicationthem theywidely haveused beenin alsothe usedpast to host botnets. andareThey tend to be relatively simple in construction, and have been used manywith timesmoderate success for coordinating DDoS attacks orand spam campaigns while switchingbeing able to continually switch channels to avoid being taken down. However, in some cases the mere blocking of certain keywords has proven effective in stopping IRC-based botnets.
Although blocking certain keywords has sometimes proved effective in stopping a botnet based on IRC.
