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    20 Sep, 2025
    Hack The Box: Fluffy Machine Walkthrough – Easy Difficulity
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    Introduction to Fluffy: In this write-up, we will explore the “Fluffy” machine from Hack The Box, categorised as an easy difficulty challenge. This walkthrough will cover the reconnaissance, exploitation, and privilege escalation steps required to capture the flag. Machine InformationIn

    Continue ReadingHack The Box: Fluffy Machine Walkthrough – Easy Difficulity

    6 Sep, 2025
    Hack The Box: Environment Machine Walkthough-Medium Difficulty
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    Environment HTB: Full User & Root Flag Capture Through Exploitation

    Captured both the user and root flags on the Environment HTB machine! We exploited Laravel 11.30.0 (PHP 8.2.28) vulnerabilities, including argument injection (CVE-2024-52301) and UniSharp Laravel Filemanager code injection. By bypassing authentication with `–env=preprod` and leveraging the profile upload feature, we executed a PHP reverse shell and retrieved the user flag via `cat user.txt`. For root access, we decrypted `keyvault.gpg` from the `.gnupg` directory to obtain credentials and exploited sudo with preserved BASH\_ENV by crafting a script that spawned a privileged shell, ultimately gaining full control of the system.

    #CyberSecurity #HTB #PenTesting #EthicalHacking #LaravelExploits #PrivilegeEscalation #PHP #Infosec #BugBounty #RedTeam
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    Learn MoreHack The Box: Environment Machine Walkthough-Medium Difficulty

    23 Aug, 2025
    Hack The Box: TheFrizz Machine Walkthrough – Medium Difficulity
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    I successfully captured both user and root flags by exploiting a file upload vulnerability to gain a web shell, extracting database credentials from config.php, and cracking the user hash to reveal the password Jenni_Luvs_Magic23. Using these credentials, I accessed the web application, discovered an SSH migration hint, and leveraged a Kerberos ticket (f.frizzle.ccache) to gain SSH access and retrieve the user flag with type user.txt. For the root flag, I escalated privileges using M.SchoolBus and SharpGPOAbuse to manipulate SleepGPO, applied changes with gpupdate.exe /force, extracted credentials with secretdump, and used wmiexec to secure a root-level shell, ultimately reading the root flag with type root.txt.

    #Cybersecurity #CTF #EthicalHacking #PenetrationTesting …

    Learn MoreHack The Box: TheFrizz Machine Walkthrough – Medium Difficulity

    16 Aug, 2025
    Hack The Box: Nocturnal Machine Walkthrough – Easy Difficulty
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    Captured the user flag by exploiting a file upload feature, unpacking .odt files to reveal a hidden password with xmllint, and injecting a reverse shell via the backup feature to get a www-data shell. Retrieved hashes from the nocturnal_database, cracked Tobias’s password (slowmotionapocalypse), and obtained the user flag. For the root flag, enumerated open ports, found port 8080 running ISPConfig, accessed it with admin credentials, identified the version, executed a public exploit, and gained root shell to capture the root flag.

    #HTB #HackTheBox #CyberSecurity #RedTeam #CTF #PenTesting #Nocturnal #LinuxExploitation #WebExploitation #PrivilegeEscalation …

    Learn MoreHack The Box: Nocturnal Machine Walkthrough – Easy Difficulty

    9 Aug, 2025
    Hack The Box: University Machine Walkthrough – Insane Walkthrough
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    Compromised university.htb by exploiting ReportLab RCE (CVE-2023-33733) to gain initial access as wao. Forged a professor certificate to impersonate george, then uploaded a malicious lecture to compromise Martin.T.

    Escalated privileges by exploiting a scheduled task with a malicious .url file, used LocalPotato (CVE-2023-21746) for elevation on WS-3, and abused SeBackupPrivilege to extract NTDS.dit, ultimately retrieving Domain Admin credentials.

    🔍 A great hands-on challenge combining web exploitation, privilege escalation, and Active Directory abuse.

    #CyberSecurity #RedTeam #CTF #PrivilegeEscalation #HTB #InfoSec #WindowsExploitation #PenetrationTesting #EthicalHacking #HackTheBox …

    Learn MoreHack The Box: University Machine Walkthrough – Insane Walkthrough

    2 Aug, 2025
    Hack The Box: Code Machine Walkthrough – Easy Difficulity
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    Successfully exploited a code execution vulnerability in a web application by bypassing keyword restrictions through Python class enumeration, leading to a reverse shell as the app-production user and retrieval of the user.txt flag. Leveraged access to a SQLite database to crack credentials for the martin user and escalate privileges. Identified a backup script running with root privileges, crafted a malicious JSON payload to include the root directory in backups, and ultimately obtained the root.txt flag.

    This engagement highlights the importance of secure input validation, credential management, and careful privilege delegation in application security.

    #Cybersecurity #HackTheBox #CTF #PenetrationTesting #PrivilegeEscalation #ApplicationSecurity …

    Learn MoreHack The Box: Code Machine Walkthrough – Easy Difficulity

    26 Jul, 2025
    Hack The Box: Cypher Machine Walkthrough – Medium Difficultyy
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    Successfully exploited a vulnerable Neo4j database via Cypher injection to extract credentials, gain SSH access, and retrieve the user flag. Then leveraged a misconfigured `bbot` binary with sudo rights to set the SUID bit on `/bin/bash`, escalating privileges to root and capturing the root flag. #Cybersecurity #Neo4j #CypherInjection #PrivilegeEscalation #Pentesting #EthicalHacking #InfoSec …

    Learn MoreHack The Box: Cypher Machine Walkthrough – Medium Difficultyy

    21 Jun, 2025
    Hack The Box: Titanic Machine Walkthrough – Easy Difficulty
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    Just wrapped up a detailed walkthrough of the Hack The Box Titanic machine — an easy-rated challenge packed with valuable learning opportunities!

    The journey started with exploiting a directory traversal vulnerability to access sensitive Gitea configuration files and extract user credentials. From there, I gained SSH access as the developer user and retrieved the user flag.

    Privilege escalation was achieved by exploiting a critical ImageMagick vulnerability (CVE-2024-41817) in a writable directory, allowing arbitrary code execution via a crafted shared library. I also discovered the developer user had unrestricted sudo privileges, providing a straightforward path to root.

    #HackTheBox #CyberSecurity #Pentesting #CTF #PrivilegeEscalation #LinuxSecurity #ImageMagick #CVE202441817 #EthicalHacking #DirectoryTraversal

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    Learn MoreHack The Box: Titanic Machine Walkthrough – Easy Difficulty

    7 Jun, 2025
    Hack The Box: Backfire Machine Walkthrough – Medium Difficulty
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    Successfully rooted another Hack The Box machine by chaining multiple vulnerabilities across custom C2 frameworks. For the user flag, we exploited an SSRF vulnerability (CVE-2024-41570) in the Havoc C2 framework to access internal services, which we then chained with an authenticated RCE to execute arbitrary commands and gain a reverse shell as the ilya user. To maintain stable access, SSH keys were added for persistence, allowing us to retrieve the user.txt flag. For the root flag, we targeted the Hardhat C2 service by forging a valid JWT with a Python script to create an admin user, which provided shell access as sergej. Upon privilege escalation analysis, we found that sergej had sudo access to the iptables-save binary. This was abused to overwrite the /etc/sudoers file and escalate to root, ultimately retrieving the root.txt flag. Another great learning experience on the path to mastering offensive security!

    #HackTheBox #CyberSecurity #InfoSec #RedTeam #CTF #PrivilegeEscalation #RCE #SSRF #Linux #HTB #EthicalHacking #PenetrationTesting #HavocC2 #HardhatC2 #JWT #SudoExploit #OSCP #BugBounty …

    Learn MoreHack The Box: Backfire Machine Walkthrough – Medium Difficulty

    31 May, 2025
    Hack The Box: Checker Machine Walkthrough – Hard Difficulty
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    Successfully exploited CVE-2023-1545 in Teampass to extract user credentials and leveraged CVE-2023-6199 in BookStack to obtain an OTP, gaining user-level access on the Checker machine. Privilege escalation was achieved by exploiting a sudo script interacting with shared memory, setting the SUID bit on /bin/bash to capture the root flag. A great example of combining application vulnerabilities with creative privilege escalation techniques!

    #Cybersecurity #EthicalHacking #HackTheBox #PenetrationTesting #InfoSec #VulnerabilityResearch #PrivilegeEscalation #CTF #SecurityResearch …

    Learn MoreHack The Box: Checker Machine Walkthrough – Hard Difficulty