Correlation The IT department hardens all systems in response to a compromised system.
Communication to prospective command and control servers is something that the technicians try to block. 1. Rsyslog is the appropriate response. A software program known as a "packet sniffer" can be used to capture all network packets that are sent over a specific collision domain by using a network adapter card in promiscuous mode, which transmits all packets received on the physical network cable to an application for processing. Sniffers are a genuine tool used in networks today to assist with traffic analysis and troubleshooting. Nevertheless, due to the fact that many network apps send data in clear text (Telnet, File Transfer Protocol [FTP], Simple Message Transfer Protocol [SMTP], Post Office Protocol [POP3], and so on).
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