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[XeS]

Mydoom.AThreat Level: Severe
Distribution: Epidemic
Damage: Severe
Solutions for clients
>Individual PCs
>Small networks
>Large networks

The Threat Level varies according to the Distribution and Damage levels






Common name: Mydoom.A

Technical name: W32/Mydoom.A.worm

Threat level: Severe

Alias: I-Worm/Novarg, WORM_MIMAIL.R W32/Mydoom@MM I-Worm/Novarg@MM

Type: Worm

Effects:














It launches Distributed Denial of Service attacks against the website www.sco.com. It opens a port, allowing a hacker to gain remote access to network resources.




Affected platforms: Windows 2003/XP/2000/NT/ME/98/95


First appeared on: Jan. 27, 2004

In circulation? Yes


Brief Description








Mydoom.A is a worm that spreads via e-mail in a message with variable characteristics and through the peer-to-peer (P2P) file sharing program KaZaA.

Mydoom.A launches DDoS (Distributed Denial of Service) attacks against the website www.sco.com if the system date is between February 1 and February 12, 2004. It does this by launching GET/ HTTP/ 1.1 requests every 1,024 milliseconds. On February 12, 2004, the worm finishes its payload, ending its execution whenever it is activated.

Mydoom.A drops the DLL (Dynamic Link Library) SHIMGAPI.DLL, which creates a backdoor, opening the first available TCP port in the range from 3127 to 3198. This backdoor component allows to download and run an executable file, and acts as a TCP proxy server, allowing a hacker to gain remote access to network resources.



Visible Symptoms

Mydoom.A is easy to recognize once it has affected the computer, as it opens the Windows Notepad and shows junk data.

BİLGİLERİNİZE ARZ EDERİM.