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Modern protection without signatures – comparison test on real threats (Advanced In The Wild Malware Test)
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<blockquote data-quote="Andy Ful" data-source="post: 977634" data-attributes="member: 32260"><p>I did not intend to contradict your post but only make it slightly clearer. I did not say that non-signature protection is excluded from Level 3. I only said that "it is not generally true that Level 3 of this test represents modern protection <span style="color: rgb(184, 49, 47)"><strong>without any signatures</strong></span> or <span style="color: rgb(184, 49, 47)"><strong>shows the true effectiveness of protection against fresh/unknown malware</strong></span>." I had in mind that there can still be many signature-based detections in the cloud backend at Level 3 (so I mentioned that you had probably in mind the offline signatures).</p><ol> <li data-xf-list-type="ol">Some AVs can delay the file execution at Level 3 and check the file against the cloud backend (fast signatures, behavior-based detections, detonation in the sandbox, etc). So, in this case, the file is not really executed at Level 3. The analysis and detection are made at the pre-execution stage.</li> <li data-xf-list-type="ol">An example can be Microsoft Defender when the BAFS feature was not triggered before execution. That is what exactly happens in this test. Other examples: Avast CyberCapture, Avast Hardened Mode, Norton Insight, Windows SmartScreen for Explorer, some Defender's ASR rules, Emsisoft Behavior Blocker reputation check, Comodo Firewall File Lookup (before sandboxing), etc.</li> <li data-xf-list-type="ol">From point 1 it also follows that Level 3 can often include detections of already known malware and the file is not obliged to run at this level.</li> <li data-xf-list-type="ol">Some AVs can also analyze and detect the file after it has been executed. Such post-execution features can be triggered by the telemetry sent to the cloud backend (like in the case of Microsoft Defender). Also at this stage, fast signatures can be used.</li> </ol><p>So I would use other words to describe this level: <span style="color: rgb(41, 105, 176)"><strong>Level 3 represents the protection against fresh malware</strong></span>.</p><p>I intentionally did not use the words <span style="color: rgb(184, 49, 47)"><strong>"modern protection"</strong></span>, because the protection used by Emsisoft and Comodo is rather old (but still very effective for fresh samples).</p><p>Of course, Level 3 includes also many behavior-based detections, sandboxing, etc., so it also represents in a great deal the non-signature protection. But to be sure if the detection/block was signature dependent or not, one has to always take a closer look at the AV particular detection.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite130" alt="(y)" title="Thumbs up (y)" loading="lazy" data-shortname="(y)" /></p></blockquote><p></p>
[QUOTE="Andy Ful, post: 977634, member: 32260"] I did not intend to contradict your post but only make it slightly clearer. I did not say that non-signature protection is excluded from Level 3. I only said that "it is not generally true that Level 3 of this test represents modern protection [COLOR=rgb(184, 49, 47)][B]without any signatures[/B][/COLOR] or [COLOR=rgb(184, 49, 47)][B]shows the true effectiveness of protection against fresh/unknown malware[/B][/COLOR]." I had in mind that there can still be many signature-based detections in the cloud backend at Level 3 (so I mentioned that you had probably in mind the offline signatures). [LIST=1] [*]Some AVs can delay the file execution at Level 3 and check the file against the cloud backend (fast signatures, behavior-based detections, detonation in the sandbox, etc). So, in this case, the file is not really executed at Level 3. The analysis and detection are made at the pre-execution stage. [*]An example can be Microsoft Defender when the BAFS feature was not triggered before execution. That is what exactly happens in this test. Other examples: Avast CyberCapture, Avast Hardened Mode, Norton Insight, Windows SmartScreen for Explorer, some Defender's ASR rules, Emsisoft Behavior Blocker reputation check, Comodo Firewall File Lookup (before sandboxing), etc. [*]From point 1 it also follows that Level 3 can often include detections of already known malware and the file is not obliged to run at this level. [*]Some AVs can also analyze and detect the file after it has been executed. Such post-execution features can be triggered by the telemetry sent to the cloud backend (like in the case of Microsoft Defender). Also at this stage, fast signatures can be used. [/LIST] So I would use other words to describe this level: [COLOR=rgb(41, 105, 176)][B]Level 3 represents the protection against fresh malware[/B][/COLOR]. I intentionally did not use the words [COLOR=rgb(184, 49, 47)][B]"modern protection"[/B][/COLOR], because the protection used by Emsisoft and Comodo is rather old (but still very effective for fresh samples). Of course, Level 3 includes also many behavior-based detections, sandboxing, etc., so it also represents in a great deal the non-signature protection. But to be sure if the detection/block was signature dependent or not, one has to always take a closer look at the AV particular detection.(y) [/QUOTE]
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