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    28 Jun, 2025
    Hack The Box: Haze Machine Walkthrough – Hard Difficulty
    Hard Machine , , , , , , , , , , , , , , ,

    New Write-Up Published: Haze [Medium | Windows | Active Directory] – Hack The Box

    Just released a walkthrough for Haze, a medium-difficulty Windows machine on Hack The Box. Initial access was obtained by exploiting CVE-2024-36991, a local file inclusion vulnerability in Splunk, to extract LDAP credentials. This enabled a Shadow Credentials attack using PyWhisker and Certipy, allowing lateral movement to a high-privileged domain user. For privilege escalation, I utilized Splunk admin access to deploy a reverse shell via a crafted app package. Upon gaining shell access, I escalated privileges to NT SYSTEM by abusing SeImpersonatePrivilege with SweetPotato. This box offers great insight into chained Active Directory abuse and Splunk misconfigurations.

    #HackTheBox #RedTeam #ActiveDirectory #Splunk #CVE202436991 #ShadowCredentials #PrivilegeEscalation #SweetPotato #CTF #InfoSec #WriteUp #CyberSecurity …

    Learn MoreHack The Box: Haze Machine Walkthrough – Hard Difficulty

    14 Jun, 2025
    Hack The Box: Inflitrator Machine Walkthrough – Insane Difficulity
    Insane Machine , , , , , , , , , , , , , , , , , ,

    Successfully completed a two-stage Active Directory exploitation scenario involving both user access and privilege escalation. The first stage focused on identifying accounts that did not require Kerberos pre-authentication (AS-REP Roasting), allowing extraction and cracking of a user password hash to gain remote access and retrieve the user flag. In the second stage, a misconfigured certificate template (ESC4 vulnerability) within Active Directory Certificate Services was exploited to request a certificate impersonating a privileged user. This enabled full administrative access and retrieval of the root flag.

    #CyberSecurity #ActiveDirectory #RedTeam #Kerberos #PrivilegeEscalation #ASREP #ADCS #ESC4 #PenetrationTesting #Infosec #HackTheBox #WindowsSecurity #CTF
    Successfully completed a two-stage Active Directory exploitation scenario involving both user access and privilege escalation. The first stage focused on identifying accounts that did not require Kerberos pre-authentication (AS-REP Roasting), allowing extraction and cracking of a user password hash to gain remote access and retrieve the user flag. In the second stage, a misconfigured certificate template (ESC4 vulnerability) within Active Directory Certificate Services was exploited to request a certificate impersonating a privileged user. This enabled full administrative access and retrieval of the root flag.

    #CyberSecurity #ActiveDirectory #RedTeam #Kerberos #PrivilegeEscalation #ASREP #ADCS #ESC4 #PenetrationTesting #Infosec #HackTheBox #WindowsSecurity #CTF
    …

    Learn MoreHack The Box: Inflitrator Machine Walkthrough – Insane Difficulity

    26 Apr, 2025
    Hack The Box: Vintage Machine Walkthrough – Hard Difficulty
    Hard Machine , , , , , , , , , , , ,

    Recently completed an Active Directory penetration test where I obtained both the user and root flags through a series of Kerberos and privilege escalation attacks. I first exploited a weak password on a legacy computer account (fs01$) to retrieve a Kerberos TGT and extract the gMSA password. After reactivating a disabled service account (svc_sql), making it ASREPRoastable, and cracking its hash, I gained credentials for another domain user and authenticated via Evil-WinRM to capture the user flag. For the root flag, I decrypted DPAPI-protected secrets to access a higher-privileged account (c.neri_adm), added a compromised service account to a privileged group, assigned an SPN, and performed a Kerberos delegation attack to impersonate a domain admin, ultimately achieving SYSTEM-level access and capturing the root flag. Great experience applying Kerberos exploitation techniques and privilege escalation strategies in a real-world scenario!

    hashtag#ActiveDirectory hashtag#PenetrationTesting hashtag#Kerberos hashtag#OffensiveSecurity hashtag#RedTeam hashtag#CyberSecurity hashtag#ASREPRoasting hashtag#DPAPI hashtag#PrivilegeEscalation hashtag#HackTheBox hashtag#Infosec hashtag#HacktheBox …

    Learn MoreHack The Box: Vintage Machine Walkthrough – Hard Difficulty