botnets

  what is botnets?
 'a botnet is a collection of computers, connected to the internet , that interact to accomplish some distributed task ' the botnets used for illegal purpose.




who controls botnets?
the botnets are controlled by one person or a group.

 how do they work?


1)bootmaster infects victim with bot (worm,social engineering)
2)bot connects to c&cc server. this could be done using http,irc,ot any other protocol
3)bootmaster sends commands through c&c server to bot



what are they used for?

 bootmasters have botnets in upwards of 400,000 bots.
and they used it to steal money.




                             botnet uses

 1) distributed denial of services(ddos)
2)spam/phishing
3)ad-ware
4)click fraud
ddos

 the ddos has been available in bots since the beginning.

 used for extortion

 take down system until they pay --> threats work too!

 example: 180solutions -aug2005

 botmaster used bots to distribute 180solutions ad-ware
180solutions shut botmaster's account down
botmaster threatened ddos attacks unless paid



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