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Port 6665 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 6665 |
tcp,udp |
irc |
IRC (Internet Relay Chat)
Many trojans/backdoors also use this port: Dark Connection Inside, Dark FTP, Host Control, NetBus worm , ScheduleAgent, SubSeven, Trinity, WinSatan, Vampire.
Backdoor.IRC.Flood [Symantec-2001-080313-3306-99]
Backdoor.Hacarmy.E [Symantec-2004-101417-2331-99]
W32.Spybot.EAS [Symantec-2004-093016-3632-99] - DDoS and backdoor capabilities, also attempts to steal confidential info. Uses port 6667/tcp.
Backdoor.Sdbot.AC [Symantec-2004-100415-4933-99] - backdoor trojan, uses port 6667/tcp.
Backdoor.Sdbot.AF [Symantec-2004-111811-0117-99] - backdoor trojan, uses port 6667/tcp.
Backdoor.Alnica [Symantec-2004-110315-5443-99] - backdoor trojan, uses port 6667/tcp to connect to IRC, also sends ICQ messages.
Backdoor.Maxload [Symantec-2004-110420-4659-99] - backdoor trojan, affects Linux and Unix computers ! Attempts to connect to IRC servers on port 6667/tcp.
Backdoor.Hacarmy.E [Symantec-2004-101417-2331-99] - backdoor trojan, uses port 6667/tcp.
Backdoor.Hacarmy.F [Symantec-2004-110511-0258-99] - backdoor trojan, connects to IRC servers on port 6667/tcp.
W32.Bofra.A@mm [Symantec-2004-110916-0038-99] - uses ports 1639 and 6667/tcp.
W32.Bofra.E@mm [Symantec-2004-111213-5143-99] - a mass-mailing worm, runs a HTTP server on port 1639/tcp, attempts to connect to IRC servers on port 6667/tcp.
W32.Cissi.W [Symantec-2005-012811-2022-99] - IRC bot worm with backdoor capabilities. Uses port 6667, propagates through network shares.
Backdoor.Lateda.B [Symantec-2005-011714-4950-99] - backdoor trojan with remote access capabilities. Connects to an IRC server on port 6667, opens a backdoor on port 9999/tcp.
W32.Linkbot.M [Symantec-2005-052109-2651-99] - opens a backdoor on port 6667/tcp. Also listens on port 113/tcp.
W32.Zotob.D [Symantec-2005-081609-4733-99] - a worm that opens a backdoor and exploits the MS Plug and Play Buffer Overflow vulnerability (MS Security Bulletin [MS05-039]) on port 445/tcp. Conects to IRC servers to listen for remote commands on port 6667/tcp. Also opens an FTP server on port 1117/tcp.
W32.Zotob.H [Symantec-2005-081717-2017-99] - a worm that opens a backdoor and exploits the MS Plug and Play Buffer Overflow vulnerability ([MS05-039]) on port 445/tcp. It runs and spreads using all current Windows versions, but only infects Windows 2000. The worm connects to IRC servers and listens for remote commands on port 6667/tcp. It opens port 69/udp to initiate TFTP transfers. It also opens a backdoor on remote compromised computers on port 8563/tcp. |
SG
|
| 6665-6669 |
tcp |
|
Internet Relay Chat (official) |
Wikipedia
|
| 6665 |
tcp |
ircu |
IRCU |
SANS
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| 6665 |
tcp |
irc |
Internet Relay Chat |
Nmap
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| 6665 |
tcp,udp |
ircu |
IRCU |
Bekkoame
|
| 6665-6669 |
tcp |
ircu |
IRCU |
IANA
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| 6665-6669 |
udp |
|
Reserved |
IANA
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7 records found
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Related ports: 3783 6500 6515 6660 6661 6662 6663 6664 6666 6667 6668 6669 27900 28900 29900 29901
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External Resources
SANS Internet Storm Center: port 6665
Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify
a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly
used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol
on the Internet and any TCP/IP network. TCP enables two hosts
to establish a connection and exchange streams of data. TCP guarantees delivery of data
and that packets will be delivered in the same order in which they were sent.
Guaranteed communication/delivery is the key difference between TCP and UDP.
UDP ports use the Datagram Protocol. Like TCP, UDP is used in combination with IP (the Internet Protocol)
and facilitates the transmission of datagrams from one computer to applications on another computer,
but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received
the message to process any errors and verify correct delivery. UDP is often used with time-sensitive
applications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them.
This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command.
We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software.
For more detailed and personalized help please use our forums.
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