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Microsoft Security Intelligence
500 entries found. Displaying page 1 of 25.
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot is a Trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files. Backdoor:Win32/IRCbot also includes the ability to send itself to MSN Messenger contacts.
Also detected as: Backdoor:Win32/IRCbot!8497(Microsoft)
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 May 12, 2014

Windows Defender detects and removes this threat.

See the Win32/IRCbot family description for more information.

Alert level: severe
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 Nov 12, 2008
Alert level: severe
Updated on Jul 11, 2020
Alert level: severe
Updated on Sep 04, 2012

Backdoor:Win32/IRCbot.gen!Z is a backdoor trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with unauthorized access and control of your computer. It is a member of the Backdoor:Win32/IRCbot family of backdoor trojans.

Also detected as: Win32/IRCBot.worm.Gen(AhnLab)
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.
Also detected as: Backdoor:Win32/IRCbot!5320(Microsoft)
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.PS is a trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files.
Also detected as: Win32/IRCBot.worm.variant(AhnLab)
Alert level: severe
Updated on Jun 05, 2007
Backdoor:Win32/IRCBot!8497 is the installer component of the Backdoor:Win32/IRCBot!751D Trojan. Backdoor:Win32/IRCbot!751D is a Trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files. Backdoor:Win32/IRCbot!751D also includes the ability to send itself to MSN Messenger contacts.
Also detected as: Backdoor:Win32/IRCbot!751D(Microsoft)
Alert level: severe
Updated on Oct 22, 2010
Backdoor:Win32/IRCbot.gen!V is a generic detection for a trojan that allows unauthorized access and control of an affected machine by a remote attacker using IRC. After a computer is infected, the trojan connects to a specific IRC server and joins a specific channel to receive commands from an attacker.  This particular detection may trigger on variants of several different IRC bot families, including Win32/Pushbot and Win32/Synigh.
Also detected as: Win32/IRCBot.worm.Gen(AhnLab)
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCBot!5320 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!5320 may be detected as Backdoor:Win32/IRCbot.OU.
Also detected as: Backdoor:Win32/IRCBot.OU(Microsoft)
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.BH is a generic detection for a backdoor trojan that connects to an IRC server to receive commands from an attacker. This trojan contains code that exploits vulnerable Windows computers that have not applied Security Bulletin MS08-067.
Also detected as: Win32/IRCBot!generic(CA),Win32/IRCBot.worm.Gen(AhnLab)
Alert level: severe
Updated on Jun 05, 2007
Backdoor:Win32/IRCbot!751D is a Trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files. Backdoor:Win32/IRCbot!751D also includes the ability to send itself to MSN Messenger contacts.
Also detected as: Backdoor:Win32/IRCbot!8497(Microsoft)
Alert level: severe
Updated on Aug 31, 2011
Backdoor:Win32/IRCbot.FN 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 Dec 14, 2011
Worm:Win32/IRCbot.L 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.DL is a backdoor trojan that may execute commands from a remote attacker. These commands include sending system information, participating in Distributed Denial of Service (DDos) attacks, and downloading and executing arbitrary files.
Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.EG 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.F 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 is a Trojan that connects to an Internet Relay Chat (IRC) server and provides attackers with remote access to the infected system. Commands that can be remotely executed include downloading and executing files. Backdoor:Win32/IRCbot also includes the ability to send itself to MSN Messenger contacts.
Alert level: severe