What is the rationale for posting this? Having seen detection logic with a tendency to whitelist or lower alert levels on the basis of an executable residing in %windir%. "Offensive detection engineers" know where to invest in evasion.
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Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Thanks for the list, it corrected a misunderstanding I had. I could have sworn users had no access to %windir%\temp since win2k or so. After seeing your list I checked perms and see that they can create files and folders there, just not access them after.
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They can certainly read and execute any file in temp if you know the file name. This is why elevated processes need to write files to temp using a GUID or non-predictable random value. If not, there is a high likelihood of privesc conditions.
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Which build? In 1903 a lot of these seem to not be writeable. %windir%\tracing is, but temp doesn't seem to be for example.
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The Users group can write to and read/execute files in temp. They just can't list files so if you know the file name, you can write/read/execute.pic.twitter.com/0bBoINtd1w
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Wait the tasks folder is writable? The one Task Scheduler uses?
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Yessir and
@subTee abuses it quite skillfully in his talk. https://www.youtube.com/watch?v=BIJ2L_rM9Gc … But if you were thinking that you can overwrite or create new tasks that would just be consumed/executed, you might be disappointed. - Još 1 odgovor
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Nice share! Btw these locations can be easily monitored by Sysmon. Maybe
@SwiftOnSecurity could add them to his well known Sysmon config -
Agree. Lots of opportunity for increased signal here!
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Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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