HackTheBox - Cicada

IppSec · Beginner ·🔐 Cybersecurity ·1y ago

Key Takeaways

Explores a HackTheBox challenge, Cicada, using nmap and NetExec to discover vulnerabilities

Original Description

00:00 - Introduction 01:00 - Start of nmap 02:30 - Running NetExec discovering an open share (HR), which contains a password for new hires 04:05 - Using NetExec to list accounts via RID Brute Force and explaining how it works under the hood with RPCLient 07:20 - Some VIM-Fu to convert the NetExec output to show only a list of users and performing a password spray 10:00 - Gaining access to David Orelious, which has access to the Dev Share which has the password of another user 12:10 - Shell as Emily with WinRM, discovering the SeBackup privileges, looking up how to abuse this 14:40 - Using Reg Save to backup the SAM and SYSTEM Hive, and then extracting administrator password from it, which gives root 16:30 - Showing we could also backup the NTDS.DIT with RoboCopy 26:50 - Talking about the Impacket Reg.Py script and showing we could try to backup the registry directly to our box, but the file transfer is unreliable
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Chapters (10)

Introduction
1:00 Start of nmap
2:30 Running NetExec discovering an open share (HR), which contains a password for
4:05 Using NetExec to list accounts via RID Brute Force and explaining how it works
7:20 Some VIM-Fu to convert the NetExec output to show only a list of users and per
10:00 Gaining access to David Orelious, which has access to the Dev Share which has
12:10 Shell as Emily with WinRM, discovering the SeBackup privileges, looking up how
14:40 Using Reg Save to backup the SAM and SYSTEM Hive, and then extracting administ
16:30 Showing we could also backup the NTDS.DIT with RoboCopy
26:50 Talking about the Impacket Reg.Py script and showing we could try to backup th
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