HTB: Fluffy
Fluffy is an easy Windows machine that demonstrates CVE-2025-24071, Shadow Credentials technique, and ESC16 vulnerability on ADCS.
404Gh0st9 min read
HTB: Puppy
Puppy is a medium Windows machine. This is a grey box machine with a supplied credential. With the credential, we can take advantage of GenericWrite to get access to specific shares. Then, we found a KeePass database file that contains a valid credential for another user account. This user account has GenericAll to another user account that belongs to the Remote Management Users group. There will be a backup file that contains another credential inside the machine. Using the credential, we found a saved credential in the DPAPI that contains a credential for administrative user account.
HTB: Haze
Haze is a challenging Active Directory machine characterized by a vulnerable Splunk installation and security configurations. The machine involves CVE-2024-36991, decrypting the Splunk secret, exploiting multiple ACL/ACE vulnerabilities, and abusing SeImpersonatePrivilege.
HTB: TheFrizz
TheFrizz is a medium Windows machine. The box involves attacking a domain controller using Kerberos authentication, abusing Group Policy Objects (GPO), and leveraging the Recycle Bin. The attack path includes exploiting CVE-2023-45878 on Gibbon LMS, obtaining credentials, manipulating GPO settings, and finally achieving system access.
HTB: DarkCorp
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HTB: Vintage
Vintage is a challenging Active Directory machine characterized by disabled NTLM authentication, enabled antivirus protection, and complex security configurations. The machine involves exploiting a Pre-2000 computer account, leveraging multiple ACL/ACE vulnerabilities, decrypting Data Protection API (DPAPI) secrets, and manipulating Resource-Based Constrained Delegation.