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Port 9876 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 9876 |
tcp |
session director |
Session Director, True Image Remote Agent, Wireshark, nmap use this port.
Trojans that also use this port:
Cyber Attacker, Rux, Backdoor.Lolok
Backdoor.Lolok [Symantec-2002-120514-5802-99] is a backdoor Trojan that uses the mIRC client to give a hacker access to the computer. By default, it establishes an IRC connection to irc.tu-pac.net on port 9876. Usualy spreads through email attachments or disguised as a video file. Discovered on 12.05.2002.
Acronis True Image Windows Agent 1.0.0.54, allows remote attackers to cause a denial of service (crash) via a malformed packet to port 9876, which triggers a NULL pointer dereference
References: [CVE-2008-1280], [BID-28169] |
SG
|
| 9876 |
udp |
applications |
V Rising Dedicated server |
SG
|
| 9876 |
tcp |
trojan |
[trojan] Rux |
Trojans
|
| 9876 |
tcp |
CyberAttacker |
[trojan] Cyber Attacker |
SANS
|
| 9876 |
tcp |
Rux |
[trojan] Rux |
SANS
|
| 9876 |
tcp |
threat |
Lolok |
Bekkoame
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| 9876 |
tcp,udp |
|
A Norton Commander lookalike for UNIX. The client portion can browse files on the hard disk, in tar files, and across the network with this server component. This protocol is Sun RPC based and registers with portmapper. |
Bekkoame
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| 9876 |
tcp |
sd |
Session Director |
IANA
|
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8 records found
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jump to:
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Related ports: 9877
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External Resources
SANS ISC: port 9876
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.
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