Port 7599 Details
known port assignments and vulnerabilities
2 records found
||W32.Jacksuf virus is a computer virus that is capable of downloading other malware onto the system and infecting other executables. Once installed it will contact the attacker's website and download additional executables which add information theft capabilities and backdoor access to the infected system.
Once executed, the W32.Jacksuf malware will create several files. The first is C:\setup.exe, which is an installer that will create and launch the file C:\WINDOWS\SYSTEM\internat.exe, as well as c:\autorun.inf. The "autorun" file is used to make sure that the malware is started at whenever the drive is mounted. This same "autorun" file is copied to every drive root, including removal drives.
The "internat" program will attempt to download other files as directed by the website at http://mm.21380.com/. One of these files downloaded includes "inetinf.exe", a program that creates a backdoor process on UDP port 7599. Other files include binaries to steal game login information and chat program login credentials.
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SANS Internet Storm Center: port 7599
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol
on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, 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, a communications protocol for the Internet network,
transport, and session layers. Like TCP (Transmission Control Protocol),
UDP is used with IP (the Internet Protocol) and makes possible 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, 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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