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General Security Discussions
Any real-time software that uses non-traditional ways to find malware?
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<blockquote data-quote="ForgottenSeer 89360" data-source="post: 916274"><p>It is best, but it’s not always possible. Behavioural blockers have greater visibility, as opposed to static and dynamic emulation, which I personally as an amateur attacker/tester have managed to bypass. Once you execute something, it reveals its true form and many times it’s not possible to block it prior to this moment.</p><p></p><p>It’s very important to distinguish the various forms of behavioural blocking:</p><p>It can be policy-based, where certain actions are not allowed. For instance Adobe Reader shouldn’t create executables.</p><p>This works best against scripts.</p><p>Some vendors might call it IDS. It’s a form of automated HIPS.</p><p></p><p>Static/fixed, also called non-profiled : this is where it monitors for certain characteristics and each one of them increases or decreases the probability of maliciousness. Once a certain score is reached, the infection is “cured”.</p><p>This type of behavioural blocking doesn’t classify threats.</p><p>Bitdefender Advanced Threat Defence is an example of such blocker.</p><p>Fixed type BBs are frequently enhanced by reputation, as they are more prone to FPs.</p><p>This works best against spyware-like threats (backdoors, RATs) that have minimal attack chain and stay quiet/stealthy.</p><p></p><p>Dynamic/profile-based:</p><p>This is also somewhat effective against scripts, but is usually used as a last line of defence.</p><p>It contains profiles/patterns of threats, together with their attack chain. Once the full chain is observed, remediation is started.</p><p>These BBs can be recognised by the fact that they classify threats. It may be just a generic classification, but it’s able to distinguish RAT from Ransomware.</p><p>This works on various types of threats.</p></blockquote><p></p>
[QUOTE="ForgottenSeer 89360, post: 916274"] It is best, but it’s not always possible. Behavioural blockers have greater visibility, as opposed to static and dynamic emulation, which I personally as an amateur attacker/tester have managed to bypass. Once you execute something, it reveals its true form and many times it’s not possible to block it prior to this moment. It’s very important to distinguish the various forms of behavioural blocking: It can be policy-based, where certain actions are not allowed. For instance Adobe Reader shouldn’t create executables. This works best against scripts. Some vendors might call it IDS. It’s a form of automated HIPS. Static/fixed, also called non-profiled : this is where it monitors for certain characteristics and each one of them increases or decreases the probability of maliciousness. Once a certain score is reached, the infection is “cured”. This type of behavioural blocking doesn’t classify threats. Bitdefender Advanced Threat Defence is an example of such blocker. Fixed type BBs are frequently enhanced by reputation, as they are more prone to FPs. This works best against spyware-like threats (backdoors, RATs) that have minimal attack chain and stay quiet/stealthy. Dynamic/profile-based: This is also somewhat effective against scripts, but is usually used as a last line of defence. It contains profiles/patterns of threats, together with their attack chain. Once the full chain is observed, remediation is started. These BBs can be recognised by the fact that they classify threats. It may be just a generic classification, but it’s able to distinguish RAT from Ransomware. This works on various types of threats. [/QUOTE]
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