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<blockquote data-quote="Andy Ful" data-source="post: 974686" data-attributes="member: 32260"><p>Any executable can use BITS if the proper code has been injected, like in the below example for notepad:</p><p></p><p>[ATTACH=full]264159[/ATTACH]</p><p></p><p>[URL unfurl="true"]https://blog.menasec.net/2021/05/hunting-for-suspicious-usage-of.html[/URL]</p><p></p><p>None of the executables mentioned in the article (except Bitsadmin) were used in the wild. Even PowerShell connections via BITS are uncommon in the attacks (mostly other methods are used). There is a known way to abuse desktopimgdownldr.exe, but I am not aware how one could abuse other mentioned executables having only standard privileges. Furthermore, blocking them via Exploit Protection could have unpredictable side effects. Bitsadmin is used only by Administrators and rarely by some applications, but never by system processes.</p><p>Anyway, It would be interesting to find somewhere comprehensive information about these programs.<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: 974686, member: 32260"] Any executable can use BITS if the proper code has been injected, like in the below example for notepad: [ATTACH type="full" alt="1644337175741.png"]264159[/ATTACH] [URL unfurl="true"]https://blog.menasec.net/2021/05/hunting-for-suspicious-usage-of.html[/URL] None of the executables mentioned in the article (except Bitsadmin) were used in the wild. Even PowerShell connections via BITS are uncommon in the attacks (mostly other methods are used). There is a known way to abuse desktopimgdownldr.exe, but I am not aware how one could abuse other mentioned executables having only standard privileges. Furthermore, blocking them via Exploit Protection could have unpredictable side effects. Bitsadmin is used only by Administrators and rarely by some applications, but never by system processes. Anyway, It would be interesting to find somewhere comprehensive information about these programs.(y) [/QUOTE]
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