To explode when certain conditions are met payload

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Unformatted text preview: m infecting Windows 95 to XP systems –  on trigger date causes files on the hard drive to become empty •  ransomware –  encrypts the user’s data and demands payment in order to access the key needed to recover the information –  PC Cyborg Trojan (1989) –  Gpcode Trojan (2006) Payload System Corruption •  real-world damage •  causes damage to physical equipment –  Chernobyl virus rewrites BIOS code •  Stuxnet worm –  targets specific industrial control system software •  there are concerns about using sophisticated targeted malware for industrial sabotage •  logic bomb •  code embedded in the malware that is set to “explode” when certain conditions are met Payload – Attack Agents Bots •  takes over another Internet attached computer and uses that computer to launch or manage attacks •  botnet - collection of bots capable of acting in a coordinated manner •  uses: •  •  •  •  •  •  distributed denial-of-service (DDoS) attacks spamming sniffing traffic keylogging spreading new malware installing advertisement add-ons and browser helper objects (BHOs) •  attacking IRC chat networks •  manipulating online polls/games Remote Control Facility •  distinguishes a bot from a worm •  worm propagates itself and activates itself •  bot is initially controlled from some central facility •  typical means of implementing the remote control facility is on an IRC server •...
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This note was uploaded on 02/11/2014 for the course CS 356 taught by Professor Danmassey during the Spring '13 term at Colorado State.

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