A denial-of-service attack against the website of the controversial company SCO Group, timed to commence 1 February 2004.
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A backdoor on port 3127/tcp to allow remote control of the subverted PC (by putting its own SHIMGAPI.DLL file in the system32 directory and launching it as a child process of Windows Explorer) this is essentially the same backdoor used by Mimail.The original version, Mydoom.A, is described as carrying two payloads: Some early reports claimed the worm avoids all. MyDoom avoids targeting e-mail addresses at certain universities, such as Rutgers, MIT, Stanford and UC Berkeley, as well as certain companies such as Microsoft and Symantec. It also copies itself to the "shared folder" of peer-to-peer file sharing application Kazaa in an attempt to spread that way. The mail contains an attachment that, if executed, resends the worm to e-mail addresses found in local files such as a user's address book. MyDoom is primarily transmitted via e-mail, appearing as a transmission error, with subject lines including "Error", "Mail Delivery System", "Test" or "Mail Transaction Failed" in different languages, including English and French. I thought having 'doom' in the name would be appropriate." Technical overview He noted: "It was evident early on that this would be very big. Schmugar chose the name after noticing the text "mydom" within a line of the program's code. MyDoom was named by Craig Schmugar, an employee of computer security firm McAfee and one of the earliest discoverers of the worm. Later analyses were less conclusive as to the link between the two worms. Initial analysis of MyDoom suggested that it was a variant of the Mimail worm-hence the alternate name Mimail.R-prompting speculation that the same people were responsible for both worms. Since then, it has been likewise rejected by law enforcement agents investigating the virus, who attribute it to organized online crime gangs. This theory was rejected immediately by security researchers. Trade press conjecture, spurred on by SCO Group's own claims, held that this meant the worm was created by a Linux or open source supporter in retaliation for SCO Group's controversial legal actions and public statements against Linux. 25 percent of MyDoom.A-infected hosts targeted SCO Group with a flood of traffic. Speculative early coverage held that the sole purpose of the worm was to perpetrate a distributed denial-of-service attack against SCO Group.
However, it eventually spread to infect at least 500 thousand computers across the globe. The worm appeared to be a poorly sent e-mail, and most people who originally were e-mailed the worm ignored it, thinking it was spam. The actual author of the worm is unknown. Early on, several security firms expressed their belief that the worm originated from a programmer in Russia. The worm contains the text message "andy I'm just doing my job, nothing personal, sorry," leading many to believe that the worm's creator was paid. MyDoom appears to have been commissioned by e-mail spammers to send junk e-mail through infected computers. It became the fastest-spreading e-mail worm ever, exceeding previous records set by the Sobig worm and ILOVEYOU, a record which as of 2023 has yet to be surpassed. It was first sighted on January 26, 2004. Mydoom also known as, my.doom, Novarg, Mimail.R, Shimgapi, WORM_MYDOOM, Win32.Mydoom is a computer worm affecting Microsoft Windows. Other names may be trademarks of their respective owners.Self-replicating malware program that spread by email
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