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Microsoft Defender's challenge.
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<blockquote data-quote="wat0114" data-source="post: 1079438" data-attributes="member: 91306"><p>At least in the case of this bypass demo, UAC seems kind of dumb to me. I guess (sorry bear with me, I may way off on this) the kDefender file you launch elevated is a shortcut that runs a script via Windows Command Processor, which of course UAC correctly sees as a signed Microsoft publisher file as seen with the grey background UAC prompt, but why can it not recognize, for instance, the "I_am_nice_and_clean.dat" file and alert on it, or anything else that may be a part of the payload? Is it because it's a .dat file and not an executable?</p><p></p><p>If using a HIPS or similar program, could it not be possible and effective protection to alert on any child processes command prompt and other signed parent processes such as powershell attempt to launch?</p><p></p><p><strong>EDIT</strong></p><p></p><p>well I guess the bypass was designed to trick UAC</p></blockquote><p></p>
[QUOTE="wat0114, post: 1079438, member: 91306"] At least in the case of this bypass demo, UAC seems kind of dumb to me. I guess (sorry bear with me, I may way off on this) the kDefender file you launch elevated is a shortcut that runs a script via Windows Command Processor, which of course UAC correctly sees as a signed Microsoft publisher file as seen with the grey background UAC prompt, but why can it not recognize, for instance, the "I_am_nice_and_clean.dat" file and alert on it, or anything else that may be a part of the payload? Is it because it's a .dat file and not an executable? If using a HIPS or similar program, could it not be possible and effective protection to alert on any child processes command prompt and other signed parent processes such as powershell attempt to launch? [B]EDIT[/B] well I guess the bypass was designed to trick UAC [/QUOTE]
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