HackTheBox - Down @ippsec

Uploaded June 2025 | Updated September 2026, 2 weeks ago

00:00 - Intro
00:58 - Start of nmap
02:30 - Entering our IP Address in the "Is it Down" and see the server makes a curl back to us, trying command injection
05:30 - Could not do Command Injection, trying Argument Injection
09:00 - Bypassing the filter that requires the URL to start with http:// by using a space and then using file:// to get file disclosure
12:15 - Reading the source of index.php, discovering it has a hidden mode that lets us swap curl for netcat
15:00 - Getting a shell by using argument injection with netcat
16:30 - Discovering PSWM in a home directory, which is a password manager like application
19:20 - Building a script to crack the PSWM file
24:10 - PSWM is decrypted, getting the root credential

$HackTheBox - Rebound 00:00 - Introduction 01:07 - Start of nmap then checking SMB Shares 04:05 - Using NetExec to do a RID Brute Force and increase the maximum to 10000 07:00 - Using vim g!/{string}/d to delete all lines that do not contain something to build wordlists 10:40 - Using ASREP Roasting to perform a Kerberoast attack without authentication 17:40 - Using NetExec to run Bloodhound as ldap_monitor 25:30 - Discovering Oorend can add themself to the ServiceMgmt group, which can take over the WinRM Account 28:30 - Spraying the password of the ldap_monitor account to discover it shares oorends password 34:20 - Showing BloodyAD to add Oorend to ServiceMGMT then abusing the GenericAll to Service Users, so we can reset WinRM_SVCs password 40:30 - Showing a more opsec friendly way to take over WINRM_SVC by abusing shadow credentials so we dont change the accounts password 50:00 - As WINRM_SVC we cannot run some commands like qwinsta or tasklist. Using RunasCS, to switch our login to a non-remote login which will let us run these commands 54:10 - Performing a Cross Session attack with Remote Potato to steal the NTLMv2 Hash of another user logged into the same box we are 59:20 - Using NetExec to read GMSA Passwords as TBRADY 1:04:00 - Using findDelagation.py to show constrained delegation from the GMSA delegator account 1:11:20 - Using RBCD.py to setup the Resource-Based Constrained Delegation so we can get a forwardable ticket to abuse delegators delegation and impersonate users 1:18:20 - Using our ticket that impersonates DC01 and performing secretsdump and then getting Adminsitrators hash so we can login$

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