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Port 1029 Details


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Port(s) Protocol Service Details Source
1025-1029 tcp,udp nfc-iis Ports > 1024 are designated for dynamic allocation by Windows. When programs ask for the "next available" socket, they usually get sequential ports starting at 1025.

Ports 1026-1027/udp were historically used for Windows Messenger popup spam
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1029 tcp dcom Microsoft DCOM services often uses ports 1026/tcp and 1029/tcp

Trojans that use this port: InCommand (TCP/UDP)

Email-Worm.Win32.Kipis.a / Unauthenticated Remote Code Execution - the malware listens on TCP port 1029 and writes incoming packets to an executable file that is renamed as "winlogins.exe". Third-party attackers who can reach the infected host can use socket utils like netcat to transfer files which get stored in the Windows\SysWOW64 dir, this may result in remote code execution.
References: [MVID-2021-0250]

Backdoor.IRC.Subhuman / Unauthenticated Open Proxy - the malware listens on TCP port 1029. Third-party attackers who can connect to the infected system can relay requests from the original connection to the destination and then back to the origination system. Attackers may then be able to launch attacks, download files or port scan third party systems and it will appear as the attacks originated from that infected host.
References: [MVID-2021-0418]
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1029 tcp Often utilized by Microsoft DCOM services (unofficial) Wikipedia
1029 tcp trojan Clandestine, KWM, Litmus, SubSARI Trojans
1029 udp trojan SubSARI Trojans
1029 tcp ms-lsa ms-lsa Nmap
1029 tcp ICQNuke98 [trojan] ICQ Nuke 98 Neophasis
1029 tcp InCommand [trojan] InCommand Neophasis
1029 tcp,udp threat W32.Kipis Bekkoame
1029 tcp,udp threat W32.Kobot Bekkoame
1029 tcp,udp solid-mux Solid Mux Server, registered 2004-11 IANA
11 records found
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Related ports: 1026  

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External Resources
SANS ISC: port 1029

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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