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Microsoft Security Intelligence
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500 entries found. Displaying page 1 of 25.
Updated on Nov 10, 2010
Backdoor:Win32/IRCbot.gen!M is a generic detection for a backdoor trojan that allows unauthorized access and control of an affected computer. It connects to a remote IRC server in order to receive commands from an attacker.
Alert level: severe
Updated on May 12, 2014
Microsoft security software detects and removes this family of threats.
 
This family of backdoor trojans can download and install other malware on your PC. They can also give a malicious hacker access and control of your PC.
Alert level: high
Updated on Apr 11, 2011
WinNT/IRCbot is a generic detection for a component that may be utilized by other malware in order to provide stealth, thus hiding the malware's presence from the affected user. In the wild, we have observed WinNT/IRCbot being utilized by Worm:Win32/Synigh for this purpose.
Alert level: high
Updated on May 12, 2014

Windows Defender detects and removes this threat.

See the Win32/IRCbot family description for more information.

Alert level: severe
Updated on Feb 29, 2012
Backdoor:Win32/IRCbot.FY is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Jan 24, 2012
Backdoor:Win32/IRCbot.FW is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCBot.OU!dll is a component of Backdoor:Win32/IRCBot.OU, a Windows Messenger worm with backdoor Trojan capabilities. Backdoor:Win32/IRCBot.OU drops other malicious software and opens a backdoor on the infected computer to connect to IRC servers. The Trojan can maintain multiple IRC server connections simultaneously to receive commands from attackers.
Alert level: severe
Updated on Jul 30, 2013
Backdoor:Win32/IRCbot.HH is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Worm:Win32/IRCbot.B is a worm that may spread to other computers by sending a link to itself to a user's contact on Yahoo! Messenger and Skype. It allows backdoor access and control of the computer, as well as stops the Windows Update service.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.EJ is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.EN is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.FC is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.FD is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.DZ is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected machine by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCBot.OU is a backdoor Trojans that targets computers running Microsoft Windows. The Trojan drops other malicious software and opens a backdoor on the infected computer to connect to IRC servers. The Trojan can maintain multiple IRC server connections simultaneously to receive commands from attackers.
 
Backdoor:Win32/IRCBot.OU may be detected as Backdoor:Win32/IRCbot!5320.
Alert level: severe
Updated on Jul 20, 2011
Backdoor:Win32/IRCbot.FI is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.EW is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Jan 24, 2012
Backdoor:Win32/IRCbot.KX is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Aug 27, 2012
Backdoor:Win32/IRCbot.GW is a member of Win32/IRCbot - a broad family of backdoor trojans that allows unauthorized access and control of an affected computer by a remote attacker via IRC.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.R is a backdoor Trojan that listens via pre-defined IRC channels, responding to commands from remote attackers. Backdoor:Win32/IRCbot.R registers itself as a service using the name "Windows Genuine Validation Notification", presumably in an attempt to masquerade as a legitimate Microsoft Windows component. Backdoor:Win32/IRCbot.R lowers security settings on the infected computer, possibly leaving the system vulnerable to further compromise.
Alert level: severe