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Port 1015 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
1015 tcp trojans Doly trojan v1.6 (different versions use TCP ports 1010, 1011, 1012, 1015, 1016)

Backdoor.Win32.Wollf.16 / Authentication Bypass - the malware listens on TCP port 1015 and has an FTPD feature that when enabled listens on TCP port 21. Third-party attackers who can reach an infected system can logon using any username/password combination.
References: [MVID-2022-0462]

Backdoor.Win32.Wollf.16 / Weak Hardcoded Credentials - the malware runs with SYSTEM integrity, listens on TCP port 1015 and is protected by Armadillo(3.00a-3.70a) & UPX(1.07)NRV,brute. However, the password "ddr_bkdoor" is weak and can be found at offset 0019F58C.
References: [MVID-2022-0463]
SG
1015 tcp trojan Doly Trojan Trojans
1015 tcp DolyTrojan [trojan] Doly Trojan Neophasis
1015 tcp threat Doly Trojan Bekkoame
1011-1020 tcp,udp Reserved IANA
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Related ports: 21  1010  1011  1012  1016  

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External Resources
SANS ISC: port 1015

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.

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