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Microsoft Security Intelligence
20 entries found.
Updated on Nov 09, 2004
Win32/Mydoom is a family of mass-mailing worms that spread through e-mail. Some variants also spread through peer-to-peer networks. The worm acts as a backdoor Trojan, which allows an attacker to access the infected system. This backdoor may be used to distribute other malicious software. Some variants of Win32/Mydoom launch denial of service (DoS) attacks against specific Web sites. 
Alert level: severe
Updated on Apr 26, 2005
Worm:Win32/Mydoom.AX@mm is a mass-mailing worm that targets computers running certain versions of Microsoft Windows. The worm sends itself as an attachment to e-mail addresses that it gathers from the infected computer and from Web site queries. The worm runs when a user opens the e-mail attachment. The worm also has a backdoor component that monitors a TCP port for commands from attackers.
Alert level: severe
Updated on Mar 29, 2007
Alert level: severe
Updated on Feb 17, 2005
Win32/Mydoom.AP@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm sends itself to e-mail addresses that it gathers from Web site queries and from the infected computer. The worm also monitors a TCP port for commands from remote attackers.
Alert level: severe
Updated on Feb 21, 2005
Win32/Mydoom.AR@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm sends itself to e-mail addresses that it gathers from Web site queries and from the infected computer. The worm also monitors a TCP port for commands from remote attackers.
Alert level: severe
Updated on Jan 07, 2020
Alert level: severe
Updated on Nov 13, 2005
Win32/Mytob.AJ@mm is a mass-mailing network worm that targets computers running certain versions of Microsoft Windows. The worm spreads as an attachment through e-mail. It can also spread to computers that have not been patched for the Windows vulnerability described in Microsoft Security Bulletin MS04-011. Win32/Mytob.AJ@mm has a backdoor component that connects to an IRC server from the infected computer to receive commands from attackers.
Alert level: severe
Updated on Nov 29, 2004
Win32/Mydoom.G@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor listening on TCP ports 80 and 1080. The worm attempts a denial-of-service (DoS) attack against www.symantec.com.
Alert level: severe
Updated on Dec 14, 2004
Win32/Mydoom.J@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor.
Alert level: severe
Updated on Dec 19, 2004
Win32/Mydoom.P@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also creates a backdoor Trojan.
Alert level: severe
Updated on Dec 19, 2004
Win32/Mydoom.AA@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor.
Alert level: severe
Updated on Dec 20, 2004
Win32/Mydoom.AB@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer.
Alert level: severe
Updated on Feb 09, 2005
Win32/Mydoom.AN@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm spreads by e-mailing itself to computers and through the ICQ Instant Messenger program. It also disables certain security-related software such as the Windows Firewall and certain antivirus programs.
Alert level: severe
Updated on Dec 02, 2004
Win32/Mydoom.H@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor listening on TCP ports 80 and 1080. The worm attempts a denial-of-service (DoS) attack against www.symantec.com.
Alert level: severe
Updated on Dec 02, 2004
Win32/Mydoom.I@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor.
Alert level: severe
Updated on Dec 14, 2004
Win32/Mydoom.K@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also installs a .dll file that acts as a backdoor.
Alert level: severe
Updated on Dec 19, 2004
Win32/Mydoom.R@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer.
Alert level: severe
Updated on Mar 31, 2007
Alert level: severe
Updated on Dec 15, 2004
Worm:Win32/Mydoom.L@mm is a mass-mailing worm that sends itself to e-mail addresses it finds on the infected computer. The worm also spreads by making copies of itself in folders containing certain strings commonly associated with peer-to-peer file sharing programs. In addition, Worm:Win32/Mydoom.L@mm opens a backdoor on TCP port 1042.
Alert level: severe
Updated on Feb 11, 2005
Win32/Mydoom.AO@mm is a mass-mailing worm that targets certain versions of Microsoft Windows. The worm sends itself to e-mail addresses that it finds on the infected computer.
Alert level: severe