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<blockquote data-quote="tim one" data-source="post: 710076" data-attributes="member: 25920"><p><strong>What are the Advanced Persistent Threat (APT) and how they work.</strong></p><p></p><p>To better understand what are and how the APT work, first you have to understand that there is a very well programmed strategy, which involves a series of bad actions triggered to short, medium and long range.</p><p></p><p>Here the stages:</p><p></p><p>1) Reconnaissance</p><p></p><p>Cyber criminals, using public sources get e-mail addresses or references of instant messaging, to identify the people who will be the target of their attacks.</p><p></p><p>2) Intrusion on the network.</p><p></p><p>With a phishing mail, the attacker begins to infect the machine, thus beginning his first access to the infrastructure. The e-mail message contains malicious links or malicious file attachments.</p><p></p><p>3) Identity theft</p><p></p><p>Bad guys get most of the information they need, by intercepting and cloning valid user credentials. Using these credentials, the attackers can access to different systems and compromising in various ways, the security of the victim.</p><p></p><p>4) Installation of malware</p><p></p><p>To be able to control the system and perform activities such as the installation of backdoor, password-stealers, receiving emails and listening the running processes, the attackers install on the targered network various malicious tools.</p><p></p><p>5) The creation of a backdoor</p><p></p><p>The attackers work to extract from the network the credentials of the domain administrator. This will allow them to move in a transverse way within the network and install backdoors and malware, using a variety of methods: process injection, registry modifications at system level or scheduled services.</p><p></p><p>6) Data exfiltration</p><p></p><p>Once they have created the malicious infrastructure, criminals begin to intercept e-mails, attachments and files from the server. Usually they send the stolen data to intermediate servers.</p><p></p><p>7) Persistence</p><p></p><p>Even if some attacks are discovered or inactivated, cyber criminals try in every way to maintain their presence on the targeted networks.</p></blockquote><p></p>
[QUOTE="tim one, post: 710076, member: 25920"] [B]What are the Advanced Persistent Threat (APT) and how they work.[/B] To better understand what are and how the APT work, first you have to understand that there is a very well programmed strategy, which involves a series of bad actions triggered to short, medium and long range. Here the stages: 1) Reconnaissance Cyber criminals, using public sources get e-mail addresses or references of instant messaging, to identify the people who will be the target of their attacks. 2) Intrusion on the network. With a phishing mail, the attacker begins to infect the machine, thus beginning his first access to the infrastructure. The e-mail message contains malicious links or malicious file attachments. 3) Identity theft Bad guys get most of the information they need, by intercepting and cloning valid user credentials. Using these credentials, the attackers can access to different systems and compromising in various ways, the security of the victim. 4) Installation of malware To be able to control the system and perform activities such as the installation of backdoor, password-stealers, receiving emails and listening the running processes, the attackers install on the targered network various malicious tools. 5) The creation of a backdoor The attackers work to extract from the network the credentials of the domain administrator. This will allow them to move in a transverse way within the network and install backdoors and malware, using a variety of methods: process injection, registry modifications at system level or scheduled services. 6) Data exfiltration Once they have created the malicious infrastructure, criminals begin to intercept e-mails, attachments and files from the server. Usually they send the stolen data to intermediate servers. 7) Persistence Even if some attacks are discovered or inactivated, cyber criminals try in every way to maintain their presence on the targeted networks. [/QUOTE]
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