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Port 3333 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 3333 |
tcp |
trojans |
Network Caller ID server, CruiseControl.rb, OpenOCD (gdbserver)
ATC Rainbow Six Lockdown (TCP/UDP), developer: Foolish Entertainment
W32.Bratle.A [Symantec-2005-073116-3607-99] (2005.07.31) - worm that exploits the MS Windows LSASS Buffer Overrun vulnerability ([MS04-011]). Opens a FTP server on port 3333/tcp.
Backdoor.Slao [Symantec-2003-052610-2111-99] (2003.05.26) - a backdoor trojan horse that allows unauthorized access to an infected computer.
Daodan trojan
Backdoor.Win32.Hanuman.b / Unauthenticated Remote Command Execution - the malware listens on TCP port 3333. Third-party attackers who can reach an infected system can run any OS commands hijacking the compromised host.
References: [MVID-2022-0467] |
SG
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| 3333 |
udp |
dec-notes |
Wireshark (formerly Ethereal) is vulnerable to a buffer overflow, caused by improper bounds checking by the dissect_enttec_dmx_data() function when processing DMX data within ENTTEC packets. By sending a specially-crafted packet to UDP port 3333, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
References: [CVE-2010-4538], [XFDB-64450], [BID-45634], [EDB-15898]
Horos could allow a remote attacker to traverse directories on the system, caused by the failure to restrict unwanted access. An attacker could send a specially-crafted URL request to the port 3333 containing "dot dot dot" sequences (/.../) in the URL to view arbitrary files on the system.
References: [XFDB-119862]
IANA registered for: DEC Notes (TCP/UDP) |
SG
|
| 3333 |
tcp |
|
Network Caller ID server (unofficial) |
Wikipedia
|
| 3333 |
tcp,udp |
trojan |
Daodan |
Trojans
|
| 3333 |
tcp,udp |
applications |
ATC Battlefield 2 |
Portforward
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| 3333 |
tcp,udp |
applications |
ATC Rainbow Six Lockdown |
Portforward
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| 3333 |
tcp,udp |
threat |
W32.Bratle |
Bekkoame
|
| 3333 |
tcp,udp |
threat |
W32.Zotob |
Bekkoame
|
| 3333 |
tcp,udp |
dec-notes |
DEC Notes |
IANA
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9 records found
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jump to:
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Related ports: 3030 3131 3232 3434
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External Resources
SANS ISC: port 3333
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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