tag:blogger.com,1999:blog-8453453300736107961.post9076332683626492142..comments2024-02-21T03:31:19.668-05:00Comments on obscuresec: PowerShell ExecutionPolicy BypassChrishttp://www.blogger.com/profile/10815120708533310068noreply@blogger.comBlogger12125tag:blogger.com,1999:blog-8453453300736107961.post-11274199482563461282014-06-03T14:15:13.204-04:002014-06-03T14:15:13.204-04:00I think it was designed to keep users from clickin...I think it was designed to keep users from clicking on a ps1 file and having it execute.Chrishttps://www.blogger.com/profile/10815120708533310068noreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-77208816378616250242014-06-03T11:10:00.897-04:002014-06-03T11:10:00.897-04:00"I agree that it wasn't designed for secu..."I agree that it wasn't designed for security..." <br />So, it was designed purely for inconvenience then? (No, really, what other purpose does it server?)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-19767820323578431742013-09-17T22:33:59.889-04:002013-09-17T22:33:59.889-04:00Thank you for commenting. This post is over 2 year...Thank you for commenting. This post is over 2 years old and I have gone through several different methods for bypass, but they are covered pretty well in the comments.<br /><br />I agree that it wasn't designed for security and yet I constantly hear that from conference attendees and clients. <br /><br />As far as stopping "stupid users clicking a file that get emailed to them and having it cause them problems," I would agree only if the file is a ps1. I email problems to people all the time: https://github.com/obscuresec/random/blob/master/PsOfficeMacro.vba <br /><br />-ChrisChrishttps://www.blogger.com/profile/10815120708533310068noreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-71343761645340209162013-08-20T11:46:41.601-04:002013-08-20T11:46:41.601-04:00The purpose of Execution Policies isn't "...The purpose of Execution Policies isn't "security", it's to stop stupid users clicking a file that gets emailed to them and having it cause them problems. None of the proposed suggestions make a blind bit of difference in that scenario.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-54729357122785130382013-06-12T08:30:00.713-04:002013-06-12T08:30:00.713-04:00Well thats cool but just add this to your ps1.
Se...Well thats cool but just add this to your ps1.<br /><br />Set-ExecutionPolicy bypass -scope currentuser -forceBentleyPChttp://www.bentleypc.comnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-28267327864511499822012-12-11T18:27:04.195-05:002012-12-11T18:27:04.195-05:00Just start your script like this:
powershell.exe -...Just start your script like this:<br />powershell.exe -ExecutionPolicy Bypass -NoLogo -NonInteractive -NoProfile -WindowStyle Hidden -File C:\myscript.ps1Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-22350415857194472392012-10-05T07:59:25.881-04:002012-10-05T07:59:25.881-04:00I like anonymous' post from the 25th, its bett...I like anonymous' post from the 25th, its better than my method as well...<br /><br />$exp = "";get-content script.ps1 | foreach {$_.trim()} | where-object {!$_.startswith("#")} | foreach { if ($_.startswith('{')) { $exp=$exp+$_ } else { $exp = $exp + ";" + $_}};invoke-expression $expKieranhttp://aperturescience.sunoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-24037338549079902442012-09-27T09:20:55.934-04:002012-09-27T09:20:55.934-04:00There are definitely a lot of ways to accomplish t...There are definitely a lot of ways to accomplish this task, but that is my favorite!Chrishttps://www.blogger.com/profile/10815120708533310068noreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-43269329647189172062012-09-26T06:38:19.092-04:002012-09-26T06:38:19.092-04:00powershell.exe -executionpolicy unrestricted foo.p...powershell.exe -executionpolicy unrestricted foo.ps1Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-12502552858709957412012-05-25T20:22:17.767-04:002012-05-25T20:22:17.767-04:00The best bypass that I use is:
c:\powershell.exe ...The best bypass that I use is:<br /><br />c:\powershell.exe Get-Content 'c:\somescript.ps1' | powershell.exe -noprofile -<br /><br />Your method looks cool too but is more work.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-21984684743593679022012-03-29T23:22:04.680-04:002012-03-29T23:22:04.680-04:00Fixed. Thanks.Fixed. Thanks.Chrishttps://www.blogger.com/profile/10815120708533310068noreply@blogger.comtag:blogger.com,1999:blog-8453453300736107961.post-70004978131095790102012-03-29T22:19:15.853-04:002012-03-29T22:19:15.853-04:00Your reference link is dead.Your reference link is dead.Anonymousnoreply@blogger.com