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Port 8076 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
8076 tcp trojans W32.Spybot.PEN [Symantec-2005-051916-0450-99] (2005.05.19) - worm with DDoS and backdoor capabilities. Spreads through network shares and by exploiting multiple vulnerabilities. Can be dropped by W32.Kelvir.CG. Opens a backdoor by connecting to IRC channel on port 8076/tcp. Exploits vulnerabilities on port 445/tcp ([MS04-011]), and 1433/udp ([MS02-061]).

W32.Mytob.HI@mm [Symantec-2005-071123-0807-99] (2005.07.11) - a mass-mailing worm with backdoor capabilities. Connects to an IRC server and listens for remote commands on port 8076/tcp.

AtlasVPN Linux Client 1.0.3 IP Leak Exploit - the AtlasVPN Linux Client consists of two parts. A daemon (atlasvpnd) that manages the connections and a client (atlasvpn) that the user controls to connect, disconnect and list services. The client does not connect via a local socket or any other secure means but instead it opens an API on localhost on port 8076. It does not have ANY authentication. This port can be accessed by ANY program running on the computer, including the browser. A malicious javascript on ANY website can therefore craft a request to that port and disconnect the VPN. If it then runs another request, this leaks the users home IP address to ANY website using the exploit code.
SG
8076-8077 tcp,udp applications IStreamVideo2HP Portforward
8076 tcp slnp SLNP (Simple Library Network Protocol) by Sisis Informationssysteme GmbH Nmap
8076 tcp threat W32.Mytob Bekkoame
8076 tcp threat W32.Spybot Bekkoame
8075-8076 tcp,udp Unassigned IANA
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External Resources
SANS ISC: port 8076

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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