Port: 9999 Abyss //free\\

Port 9999 falls into the dynamic/private range but is unofficially registered for several legitimate (and illegitimate) services. Historically, IANA assigned Port 9999 to "Distinct" (a now-obsolete protocol), but in the wild, it is used by:

Once you find a listener on 9999, identify the executable: port 9999 abyss

: Backdoor trojans, such as Backdoor.Lateda , have been known to open port 9999 to allow remote attackers to maintain control over a compromised system. Port 9999 falls into the dynamic/private range but

: Because it is not a standard system port (like 21 for FTP or 22 for SSH), it rarely conflicts with critical OS services. 2. Historical Vulnerabilities

Law enforcement agencies and cybersecurity firms have launched investigations into the activities surrounding Port 9999 and the Abyss. These efforts have led to the takedown of several botnets and malware campaigns that utilized Port 9999.

By default, it is accessed locally at http://127.0.0.1:9999 to perform the initial setup, including creating an administrator account. 2. Historical Vulnerabilities