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Port 6667 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 6667 |
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, Moses, Maniacrootkit, kaitex, EGO.
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.
Backdoor.Win32.Adverbot / Remote Stack Corruption - null instruction pointer read stack corruption when connecting to an IRC server Port 6667. The NetControl.File component allows connecting to server to IRC servers to file share or send messages under Menu/connect.
References: [MVID-2021-0003]
Backdoor.Win32.Whisper.b / Remote Stack Corruption - Whisper.b listens on TCP port 113 and connects to port 6667, deletes itself drops executable named rundll32.exe in Windows\System dir. The malware is prone to stack corruption issues when receiving unexpected characters of random sizes.
References: [MVID-2021-0039] |
SG
|
| 6667 |
tcp |
trojan |
Acropolis, BlackRat, Dark FTP, Dark IRC, DataSpy Network X, Gunsan, InCommand, Kaitex, KiLo, Laocoon, Net-Devil, Reverse Trojan, ScheduleAgent, SlackBot, SubSeven , Subseven 2.1.4 DefCon 8, Trinity, Y3K RAT, yoyo |
Trojans
|
| 6667 |
udp |
trojan |
KiLo |
Trojans
|
| 6667 |
tcp |
DarkFTP |
[trojan] Dark FTP |
SANS
|
| 6667 |
tcp |
EGO |
[trojan] EGO |
SANS
|
| 6667 |
tcp |
irc |
Internet Relay Chat |
SANS
|
| 6667 |
tcp |
ircu |
IRCU |
SANS
|
| 6667 |
tcp |
kaitex |
Kaitex Trojan |
SANS
|
| 6667 |
tcp |
Maniacrootkit |
[trojan] Maniac rootkit |
SANS
|
| 6667 |
tcp |
Moses |
[trojan] Moses |
SANS
|
| 6667 |
tcp |
ScheduleAgent |
[trojan] ScheduleAgent |
SANS
|
| 6667 |
tcp |
trojans |
[trojan] Subseven 2.1.4 DefCon 8 |
SANS
|
| 6667 |
tcp |
SubSeven |
[trojan] SubSeven |
SANS
|
| 6667 |
tcp |
TheThing |
[trojan] The Thing (modified) |
SANS
|
| 6667 |
tcp |
Trinity |
[trojan] Trinity |
SANS
|
| 6667 |
tcp |
WinSatan |
[trojan] WinSatan |
SANS
|
| 2611-2612,6500,6667,27900 |
tcp,udp |
applications |
Black and White |
Portforward
|
| 6667 |
tcp,udp |
applications |
Championship Manager 3 |
Portforward
|
| 3783, 6500, 6667, 28900, 29900, 29901 |
tcp |
applications |
Civilization III |
Portforward
|
| 2033, 2056, 3783, 6500, 6667, 28900, 29900, 29001 |
tcp |
applications |
Civilization IV |
Portforward
|
| 80,6667,28910,29900,29920 |
tcp |
applications |
Command and Conquer Generals |
Portforward
|
| 80, 3783, 6500, 6515, 6667, 13139, 27900, 28900, 28910, 29900, 29901, 29920 |
tcp |
applications |
Command and Conquer Generals GameSpy |
Portforward
|
| 80,6667,28910,29900,29920 |
tcp |
applications |
Command and Conquer Zero Hour |
Portforward
|
| 80, 3783, 6500, 6515, 6667, 13139, 27900, 28900, 28910, 29900, 29901, 29920 |
tcp |
applications |
Command and Conquer Zero Hour GameSpy |
Portforward
|
| 2300-2400,6667,47624 |
tcp |
applications |
Cossacks II |
Portforward
|
| 3783, 6500, 6667, 28900, 29900-29901 |
tcp |
applications |
F.E.A.R. Gamespy |
Portforward
|
| 6667,28910 |
tcp |
applications |
Faces of War |
Portforward
|
| 6667, 3783, 27900, 28900, 29900, 29901, 13139, 6515, 6500 |
tcp |
applications |
GameSpy Arcade |
Portforward
|
| 6667,18067 |
tcp,udp |
applications |
Hero Online |
Portforward
|
| 80,6667,21000,40000-42000 |
tcp |
applications |
IL2-Sturmovik Ubi.com |
Portforward
|
| 80,6667,10308,40000-42000 |
tcp |
applications |
Lock On Modern Air Combat Ubi.com |
Portforward
|
| 6667,28800-29000 |
tcp,udp |
applications |
MSN Game Zone |
Portforward
|
| 5120-5300, 6500, 6667, 27900, 28900 |
udp |
applications |
Neverwinter Nights |
Portforward
|
| 80, 6667, 7777-7787, 8777-8787, 40000-42000 |
udp |
applications |
Rainbow Six 3 Raven Shield with Ubi.com |
Portforward
|
| 3783, 6500, 6667, 28900, 29900-29901 |
tcp |
applications |
Rome Total War |
Portforward
|
| 3783, 6515, 6667, 13139, 27900, 28900, 29900, 29901 |
tcp |
applications |
S.T.A.L.K.E.R. - Shadow of Chernobyl |
Portforward
|
| 3783, 6667, 28900, 29900, 29901 |
tcp |
applications |
Spellforce - The Order of Dawn |
Portforward
|
| 3040,6667 |
tcp |
applications |
Star Trek - Armada 2 |
Portforward
|
| 1234, 3658-3660, 6500, 27900, 28910, 3783, 6515, 6667, 13139, 28900, 29900-29901, 29920 |
tcp,udp |
applications |
Starwars Empire at War |
Portforward
|
| 6667, 9961, 17475, 27000-30000 |
tcp |
applications |
Test Drive Unlimited |
Portforward
|
| 3783, 6500, 6667, 28900, 29900-29901 |
tcp |
applications |
The Lord of the Rings-War of the Ring Gamespy |
Portforward
|
| 6667,28910 |
tcp |
applications |
True Crime Streets of L.A. |
Portforward
|
| 6667, 28910, 29900, 29901, 29920 |
tcp |
applications |
Warhammer 40000 - Dawn of War - Dark Crusade |
Portforward
|
| 6667,28910,29901,29920 |
tcp |
applications |
Warhammer 40000 - Dawn of War GotY |
Portforward
|
| 80, 5911, 6667, 28900, 29900, 29901 |
tcp |
applications |
Worms 4 - Mayhem |
Portforward
|
| 6667 |
tcp |
irc |
Internet Relay Chat |
Nmap
|
| 6667 |
tcp |
threat |
Alnica |
Bekkoame
|
| 6667 |
tcp |
threat |
Deftcode |
Bekkoame
|
| 6667 |
tcp |
threat |
Hacarmy |
Bekkoame
|
| 6667 |
tcp |
threat |
IRC Clients can connect to servers on this port. |
Bekkoame
|
| 6667 |
tcp |
threat |
IRC.Flood |
Bekkoame
|
| 6667 |
tcp |
threat |
IrcContact |
Bekkoame
|
| 6667 |
tcp |
threat |
Kaiten |
Bekkoame
|
| 6667 |
tcp |
threat |
Lateda |
Bekkoame
|
| 6667 |
tcp |
threat |
Maxload |
Bekkoame
|
| 6667 |
tcp |
threat |
Mindos |
Bekkoame
|
| 6667 |
tcp |
threat |
Sdbot |
Bekkoame
|
| 6667 |
tcp |
threat |
Spigot |
Bekkoame
|
| 6667 |
tcp |
voip |
VocalTec Internet Phone An alternate port other than 6670 used to connect to servers. |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Blatic |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Bofra |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Bropia |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Cissi |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.HLLW.Gaobot |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.HLLW.Nool |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.HLLW.Studd |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.HLLW.Warpigs |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Korgo |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Linkbot |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Mimail |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Mota |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Mydoom |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Mytob |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Opasa |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Protoride |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Randex |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Ruland |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Spybot |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Stubbot |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Wallz |
Bekkoame
|
| 6667 |
tcp |
threat |
W32.Zotob |
Bekkoame
|
| 6665-6669 |
tcp |
|
Internet Relay Chat (official) |
Wikipedia
|
| 6665-6669 |
tcp |
ircu |
IRCU |
IANA
|
| 6665-6669 |
udp |
|
Reserved |
IANA
|
|
84 records found
|
jump to:
|
Related ports: 3783 6500 6515 6660 6661 6662 6663 6664 6665 6666 6668 6669 27900 28900 29900 29901 6670
« back to SG Ports
External Resources
SANS ISC: port 6667
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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