Skip to main content
Skip to main content
Microsoft Security Intelligence
Cart 0 items in shopping cart
Sign in
500 entries found. Displaying page 1 of 25.
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.
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 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 Dec 14, 2011
Backdoor:Win32/IRCbot.FU 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 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 Jul 01, 2011

Backdoor:Win32/IRCbot.FJ is an IRC controlled backdoor that can spread via instant messaging programs, such as MSN Messenger and Windows Live Messenger. It may also be commanded to download and execute arbitrary files, participate in Distributed Denial of Service attacks, modify the Hosts file, or post a list of the user's instant messaging contacts to a remote server.

Alert level: severe
Updated on Apr 11, 2011
Backdoor:Win32/IRCbot.FA 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.DT 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.EQ 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 Jun 22, 2011
Backdoor:Win32/IRCbot.FH 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.DV 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.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.EU 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.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.DU 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