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<blockquote data-quote="Andy Ful" data-source="post: 935576" data-attributes="member: 32260"><s>I think that we can close the thread. Although I submitted the script 4 times, the AMSI-based post-execution detection is still not whitelisted.</s><s></s><s>So my final answer to the OP question is as follows:</s><ol>
<li data-xf-list-type="ol"><s>Submit the script to Microsoft for whitelisting.</s></li>
<li data-xf-list-type="ol"><s>If the script is still blocked, then split the script into 2 or more scripts.</s></li>
<li data-xf-list-type="ol"><s>If points 1 and 2 do not solve the problem then exclude the detection - remember that in the case of AMSI-based behavior detections this can have an impact on the script detection. So, it is recommended to enable Defender ASR rules for additional ani-script protection. If necessary, then make the ASR exclusion for this script.</s></li>
</ol>UpdateI had to stroke out the above info, because after additional emails and inquiry Microsoft finally solved the problem with whitelisting and excluding the AMSI-based detections.[URL unfurl=&quot;true&quot;]https://malwaretips.com/threads/how-to-prevent-efficiently-defender-from-considering-a-given-vbs-script-as-containing-a-threat.107234/post-935955[/URL]</blockquote>

[QUOTE="Andy Ful, post: 935576, member: 32260"] [S]I think that we can close the thread. Although I submitted the script 4 times, the AMSI-based post-execution detection is still not whitelisted. So my final answer to the OP question is as follows:[/S] [LIST=1] [*][S]Submit the script to Microsoft for whitelisting.[/S] [*][S]If the script is still blocked, then split the script into 2 or more scripts.[/S] [*][S]If points 1 and 2 do not solve the problem then exclude the detection - remember that in the case of AMSI-based behavior detections this can have an impact on the script detection. So, it is recommended to enable Defender ASR rules for additional ani-script protection. If necessary, then make the ASR exclusion for this script.[/S] [/LIST] [B]Update[/B] I had to stroke out the above info, because after additional emails and inquiry Microsoft finally solved the problem with whitelisting and excluding the AMSI-based detections. [URL unfurl="true"]https://malwaretips.com/threads/how-to-prevent-efficiently-defender-from-considering-a-given-vbs-script-as-containing-a-threat.107234/post-935955[/URL] [/QUOTE]

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