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Port 7777 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
7777 tcp trojans Applications:
iChat server file transfer proxy
Oracle Cluster File System 2
Xivio default Chat Server

Games:
Active Worlds (TCP/UDP)
Fabula Mortis uses ports 7777 and 7778
Terraria game (TCP/UDP)
Ultima Online


Malware: GodMessage trojan, The Thing trojan, tini.exe Windows backdoor program

Backdoor.Darkmoon [Symantec-2005-081910-3934-99] (2005.08.18) - trojan that opens a backdoor on the compromised computer and has keylogging capabilities. Opens a backdoor and listens for remote commands on ports 6868/tcp and 7777/tcp.

UsbCharger.dll in the Energizer DUO USB battery charger software contains a backdoor that is implemented through the Arucer.dll file in the %WINDIR%\system32 directory, which allows remote attackers to download arbitrary programs onto a Windows PC, and execute these programs, via a request to TCP port 7777. References: [CVE-2010-0103], [BID-38571]

OKI C5510MFP Printer CU H2.15, PU 01.03.01, System F/W 1.01, and Web Page 1.00 sends the configuration of the printer in cleartext, which allows remote attackers to obtain the administrative password by connecting to TCP port 5548 or 7777. References: [CVE-2008-0374], [BID-27339]

SKIDATA RFID Freemotion.Gate could allow a remote attacker to execute arbitrary commands on the system, caused by failure to restrict access to the RTP|One Gate web service and Gate. By sending a specially-crafted request to TCP port 7777, an attacker could exploit this vulnerability to inject and execute arbitrary commands on the system with root privileges. References: [XFDB-89103]

A flaw was found in podman. The 'podman machine' function (used to create and manage Podman virtual machine containing a Podman process) spawns a 'gvproxy' process on the host system. The 'gvproxy' API is accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an attacker can potentially use the 'gvproxy' API to forward ports on the host to ports in the VM, making private services on the VM accessible to the network. This issue could be also used to interrupt the host's services by forwarding all ports to the VM.
References: [CVE-2021-4024]

Backdoor.Win32.Levelone.b / Remote Stack Buffer Overflow - the backdoor listens on Port 7777, sending two large consecutive HTTP OPTIONS requests trigger the buffer overflow overwriting EIP.
References: [MVID-2021-0021]
SG
7777 udp applications Unreal Tournament 2004 Game port, SCP: Secret Laboratory Multiplayer Server, San Andreas Multiplayer default server SG
7777 tcp iChat server file transfer proxy (unofficial) Wikipedia
7777 tcp Default used by Windows backdoor program tini.exe (unofficial) Wikipedia
7777 tcp trojan [trojan] God Message Trojans
7777 tcp FWTK-authsvr FWTK-Gauntlet authentication server SANS
7777 tcp GodMessage [trojan] God Message SANS
7777 tcp oracle-portal Oracle 9i Portal - Apache HTTP (default) SANS
7777 tcp TheThing(modified) [trojan] The Thing (modified) SANS
7777 tcp Tini [trojan] Tini SANS
3000,5670,7777,7000-7100 tcp applications Active Worlds Portforward
6777,7777-7797,30660 tcp,udp applications BlackSite - Area 51 Portforward
2106,7777 udp applications L2J Portforward
80,2106,7777 tcp applications L2J Portforward
80,2106,2009,7777 tcp applications Lineage II Portforward
7777-7787,8777-8787 udp applications Rainbow Six 3 Raven Shield Portforward
80, 6667, 7777-7787, 8777-8787, 40000-42000 udp applications Rainbow Six 3 Raven Shield with Ubi.com Portforward
7777 tcp,udp applications Rune Portforward
7777 tcp,udp applications SA-MP Server Portforward
7777-7778,28910 tcp,udp applications Tribes - Vengeance Portforward
5001-5010, 7775-7777, 7875, 8800-8900, 9999 tcp applications Ultima Online Portforward
7777,7778,7779,27900 udp applications Unreal Tournament Portforward
7777,8080,8777,9777,27900 tcp applications Unreal Tournament Portforward
7777-7788,27900,42292 tcp,udp applications Unreal Tournament 2004 Portforward
6500, 7777, 7778, 7787, 13000, 27900 udp applications Unreal Tournament 3 Portforward
1900,3776,7777 udp applications XBox 360 Media Center Portforward
7777 tcp threat Darkmoon Bekkoame
7777 tcp,udp Hacker can spoof UDP packets to this port in order to control the cable-modem. God Message, Tini Bekkoame
7777 tcp,udp cbt cbt. Known Unauthorized Use on port 7777 IANA
7700-7800 tcp,udp applications GunZ Portforward
30 records found
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Related ports: 1159  1521  1525  1526  1527  1830  3872  7776  7778  7778  7787  28902  

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External Resources
SANS Internet Storm Center: port 7777

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 7777.
  User Reviews/Comments:
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by anonymous - 2011-07-24 08:19
Terraria's Multiplayer uses port 7777 by default.
by anonymous - 2015-08-06 02:25
This port is also the default for an ARK: Survival Evolved Dedicated Server
by anonymous - 2022-05-01 15:30
Fabula Mortis has been using ports 7777 & 7778 since beta.
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