A Remote Access Trojan (RAT) is a type of malware that provides attackers with administrative control over a victim’s computer. RATs are designed to create a backdoor into the system, allowing unauthorized remote access and control. This malicious software is often disguised as legitimate software, such as a game or an application, and can be distributed via email attachments, downloads from compromised websites, or bundled with other malware.
Once a RAT is installed on a victim’s computer, it can perform a wide range of malicious activities without the user’s knowledge. These activities can include keystroke logging, capturing screenshots, accessing personal files, stealing passwords and sensitive information, and even activating the webcam or microphone for surveillance purposes. RATs can also be used to distribute additional malware, such as ransomware or other Trojans, to the infected system or to other vulnerable computers on the network.
One of the key features of a RAT is its ability to establish a connection to a command-and-control (C&C) server, which is controlled by the attackers. This connection is typically achieved using an open TCP port on the compromised device. Once connected to the C&C server, the attackers can issue commands to the RAT, receive stolen data, and further manipulate the victim’s computer.
To deploy a RAT, attackers may use exploit toolkits like Metasploit to take advantage of vulnerabilities in the target system. These toolkits can automate the process of exploiting vulnerabilities and delivering the RAT payload to the victim’s computer.
Preventing RAT infections requires a combination of security measures, including using reputable antivirus and anti-malware software, keeping software and operating systems up to date with the latest security patches, practicing safe browsing habits, and being cautious about opening email attachments or downloading files from unknown sources. Regular system monitoring and network traffic analysis can also help detect and mitigate RAT-related activities.