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Port 992 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
992 tcp trojan SoftEther VPN (Ethernet over HTTPS) uses TCP Ports 443, 992 and 5555

Malware using port 992 TCP: Snape trojan

Cyclops Blink Botnet uses these ports. The malware has targeted governments, WatchGuard firewalls, ASUS routers, etc., it is active as of March 2022, and it is believed to be operated by the Sandworm threat group linked to Russian intelligence. Cyclops Blink botnet malware uses the following TCP ports: 636, 989, 990, 992, 994, 995, 3269, 8443
SG
992 tcp,udp TELNET protocol over TLS/SSL (official) Wikipedia
992 tcp trojan Snape Trojans
992 tcp,udp telnets telnet protocol over TLS SSL SANS
992 tcp telnets telnet protocol over TLS/SSL Nmap
992 tcp,udp telnets telnet protocol over TLS/SSL IANA
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Related ports: 443  989  990  991  994  995  3269  5555  8443  

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External Resources
SANS Internet Storm Center: port 992

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.

Please use the "Add Comment" button below to provide additional information or comments about port 992.
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by franga2000 - 2016-06-04 08:03
tcp/992 is also used by the SoftEther VPN server. SoftEther also uses tcp/5555.
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