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Port 21000 Details


known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
21000 udp games Soldier of Fortune 2, IL2 Sturmovik (TCP/UDP), IL2 Sturmovik: Forgotten Battles (TCP/UDP), Pacific Fighters: IL2 (TCP/UDP) SG
21000 tcp malware Backdoor.Win32.Coredoor.10.a / Port Bounce Scan - the malware listens on TCP port 21000. Third-party attackers who successfully logon can abuse the backdoor FTP server as a man-in-the-middle machine allowing PORT Command bounce scan attacks using Nmap. This vulnerability allows remote attackers to abuse your system and discreetly conduct network port scanning. Victims will then think these scans are originating from the infected system running the afflicted malware FTP Server and not you.
References: [MVID-2021-0411]

Backdoor.Win32.Coredoor.10.a / Authentication Bypass - the malware runs an FTP server on TCP port 21000. Third-party
attackers who can reach infected systems can logon using any username/password combination. Intruders may then upload executables using ftp PASV, STOR commands, this can result in remote code execution.
References: [MVID-2022-0618]
SG
20000-21000 udp applications Ground Control Portforward
15001, 15101, 15200, 20000-21000, 25451 tcp applications Ground Control Portforward
20000-21000 udp applications Ground Control with Chat Rooms Portforward
15001, 15101, 15200, 20000-21000, 25000-25499 tcp applications Ground Control with Chat Rooms Portforward
15000-15300, 21000-21999, 30000-30999 tcp applications Homeworld Portforward
21000 udp applications IL-2 Portforward
21000 tcp,udp applications IL-2 Sturmovik - Forgotten Battles Portforward
21000 tcp applications IL2-Sturmovik Portforward
80,6667,21000,40000-42000 tcp applications IL2-Sturmovik Ubi.com Portforward
21000 tcp,udp irtrans IRTrans Control, registered 2004-11 IANA
12 records found
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