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Port 4661 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 4661 |
tcp |
trojans |
Trojan.Gamqowi [Symantec-2005-102012-4020-99] (2005.10.20) - a backdoor trojan that lowers security settings on the compromised computer. It blocks access to some security-related websites, and attempts to end security-related processes. Opens a backdoor and listens for remote commands by connecting to an IRC server on port 4661/tcp.
Nemog backdoor (discovered 2004.08.16) - a backdoor trojan horse that allows an infected computer to be used as an email relay and HTTP proxy, dropped by W32.Mydoom.Q@mm.
It can use one of the following ports: 3306,4242,4646,4661,6565,8080
Port used by aMule and eMule p2p file sharing (eDonkey server default listening port). eMule p2p file sharing software uses ports 4661/tcp, 4662/tcp, 4665/udp, 4672/udp, 4711/tcp (web interface) by default. Some versions of this P2P client are vulnerable to a DecodeBase16 buffer overflow. |
SG
|
| 4661 |
tcp |
eDonkey2000 |
eDonkey2000 Server Default Port |
SANS
|
| 4661 |
tcp |
threat |
Nemog |
Bekkoame
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| 4661 |
tcp,udp |
kar2ouche |
Kar2ouche Peer location service |
IANA
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4 records found
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jump to:
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Related ports: 3306 4242 4662 4646 4663 4665 6565
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External Resources
SANS ISC: port 4661
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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