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<blockquote data-quote="cruelsister" data-source="post: 555171" data-attributes="member: 7463"><p>Actually the chances are not that low, but nonetheless don't matter. I'm really starting to dislike the term "fileless" since one can easily infer that nothing has to be executed in order to infect a system, when this is absolutely not the case!</p><p></p><p>For example, let's consider a user who has not updated their Adobe Flash and/or java for a while- So the user browses to some webpage which (normally through mal-advertising) is infected. This infected page will host an exploit kit that will take advantage of a vulnerability that the BlackHats have found- but this an only this can be termed "fileless". What happens now is anything but fileless as the exploit kit will contact Command to download the payload- and this payload will have to be run locally (on your system) to infect, and this is anything but fileless! Point being that when the payload is downloaded and run it will also be detected and sandboxed no matter if the browser is isolated or not.</p></blockquote><p></p>
[QUOTE="cruelsister, post: 555171, member: 7463"] Actually the chances are not that low, but nonetheless don't matter. I'm really starting to dislike the term "fileless" since one can easily infer that nothing has to be executed in order to infect a system, when this is absolutely not the case! For example, let's consider a user who has not updated their Adobe Flash and/or java for a while- So the user browses to some webpage which (normally through mal-advertising) is infected. This infected page will host an exploit kit that will take advantage of a vulnerability that the BlackHats have found- but this an only this can be termed "fileless". What happens now is anything but fileless as the exploit kit will contact Command to download the payload- and this payload will have to be run locally (on your system) to infect, and this is anything but fileless! Point being that when the payload is downloaded and run it will also be detected and sandboxed no matter if the browser is isolated or not. [/QUOTE]
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