Like TCP, UDP is used in combination with IP (the Internet Protocol)Īnd facilitates the transmission of datagrams from one computer to applications on another computer,īut unlike TCP, UDP is connectionless and does not guarantee reliable communication it's up to the application that received Guaranteed communication/delivery is the key difference between TCP and UDP. TCP guarantees delivery of dataĪnd that packets will be delivered in the same order in which they were sent. To establish a connection and exchange streams of data. TCP ports use the Transmission Control Protocol, the most commonly used protocol Used port numbers for well-known internet services. IANA is responsible for internet protocol resources, including the registration of commonly Ports are unsigned 16-bit integers (0-65535) that identifyĪ specific process, or network service. Port numbers in computer networking represent communication endpoints. (IANA official)įreeciv versions up to 2.0, Hewlett Packard Data Protector, SAP (unofficial) Third-party attackers who can reach the system can run commands made available by the backdoor hijacking the infected host. UPNP Service listening on port 5555 in Genexis Platinum 4410 Router V2.1 (P4410-V2–1.34H) has an action 'X_GetAccess' which leaks the credentials of 'admin', provided that the attacker is network adjacent.ī / Unauthenticated Remote Command Execution - the malware listens on TCP port 5555. By using an adb connect to 5555 port, an attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges. Jector Smart TV FM-K75 could allow a remote attacker to execute arbitrary code on the system. By using port 5555/TCP, an attacker could exploit this vulnerability to conduct arbitrary operations on the device without user's intent. KDDI CORPORATION Smart TV Box could allow a remote attacker to bypass security restrictions, caused by the failure to restrict access by the Android Debug Bridge. By sending a specially-crafted request to TCP port 5555, an attacker could exploit this vulnerability to execute arbitrary commands on the system. HP Data Protector could allow a remote attacker to execute arbitrary commands on the system. The Backup Client Service (OmniInet.exe) in HP Storage Data Protector 6.2X allows remote attackers to execute arbitrary commands or cause a denial of service via a crafted EXEC_BAR packet to TCP port 5555, aka ZDI-CAN-1885. HP OpenView OmniBack 2.55 allows remote attackers to cause a denial of service via a large number of connections to port 5555. Some other trojans also use this port Backdoor.Sysbug, Noxcape,, Daodan, Backdoor.OptixPro, ServeMe. ShoreTel IP Telephony system uses the following portsĥ440 TCP - HTTP CSIS, 5440 UDP - Location Service Protocolĥ443, 5444, 5445 UDP - Bandwidth Reservation Protocolĥ555 TCP - Shoreline diagnostic port (ipbxctl –diag)ī (2007.09.25) - a Trojan horse that opens a back door on TCP port 5555 on the compromised computer. RainMachine automatic irrigation control uses this port. , InfoSeek Personal Agent, HP OpenView Storage Data Protector (formerly HP OmniBack), McAfee EndPoint Encryption Database Server, SAP Port also used by Freeciv gaming protocol. SoftEther VPN (Ethernet over HTTPS) uses TCP Ports 443, 9
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