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Port 5151 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 5151 |
tcp |
trojans |
Backdoor.Optix.04.c [Symantec-2002-102319-1255-99] (2002.10.23) - remote access troan. Affects all current Windows versions, listens to port 5151 by default.
Backdoor.Win32.Optix.02.b / Weak Hardcoded Credentials - ptix listens on TCP port 5151 and is packed with ASPack (2.11d). Unpacking is trivial set breakpoints on POPAD, RET, run and dump using OllyDumpEx. The unpacked PE file reveals a very weak three character cleartext password "1q1" stored as "svrpwd=1q1" at offset: 0000da4c of the unpacked malware. Commands sent to the backdoor use a semicolon ";" as a marker E.g. password;1q1;
[MVID-2024-0690]
Tony Hawks Pro Skater 3 also uses port 5151 (TCP/UDP).
Email-Worm.Win32.Sidex / Unauthenticated Remote Command Execution - the malware listens on TCP port 5151 and creates a dir named "vortex" with several PE files. Third-party adversaries who can reach an infected host can run commands made available by the backdoor.
References: [MVID-2022-0564]
esri_sde - ESRI SDE Instance (IANA official) |
SG
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| 5151 |
udp |
applications |
The Logging Server (ftplogsrv.exe) 7.9.14.0 and earlier in IPSwitch WS_FTP 6.1 allows remote attackers to cause a denial of service (loss of responsiveness) via a large number of large packets to port 5151/udp, which causes the listening socket to terminate and prevents log commands from being recorded.
References: [CVE-2008-0608] [BID-27612] [SECUNIA-28761]
The Logging Server (Logsrv.exe) in IPSwitch WS_FTP 7.5.29.0 allows remote attackers to cause a denial of service (daemon crash) by sending a crafted packet containing a long string to port 5151/udp.
References: [CVE-2007-3823] [SECUNIA-26040] [OSVDB-36218] |
SG
|
| 5151 |
tcp |
trojan |
Optix Lite |
Trojans
|
| 5150-5151,6500 |
tcp,udp |
applications |
Tony Hawks Pro Skater 3 |
Portforward
|
| 5150-5151 |
tcp |
applications |
Tony Hawks Underground 2 |
Portforward
|
| 5151 |
tcp,udp |
threat |
Optix |
Bekkoame
|
| 5151 |
tcp |
esri-sde |
"ESRI SDE Instance |
IANA
|
| 5151 |
tcp |
esri_sde |
ESRI SDE Instance |
IANA
|
| 5151 |
udp |
esri-sde |
"ESRI SDE Remote Start |
IANA
|
| 5151 |
udp |
esri_sde |
ESRI SDE Remote Start |
IANA
|
| 5120-5300 |
udp |
applications |
Neverwinter Nights 2 |
Portforward
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11 records found
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External Resources
SANS ISC: port 5151
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.
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