Skip to main content

is a "Blue Team" oriented capture-the-flag (CTF) challenge originally from the US Navy Cyber Competition Team 2019 Assessment

The key takeaways from this challenge are:

Attackers often modify the registry to ensure their malware runs every time the computer restarts.

  • Key observation: Large number of ICMP echo request/reply packets with unusual payload sizes.

    • First Flag (user.txt): After gaining a basic shell (e.g., via a reverse shell payload injected into the template), we navigate to /home/chester or /home/user to find user.txt.

    Investigation Steps:

    . It is not intended for beginners and requires a high level of persistence. Time Commitment: The room has a suggested timeframe of 180 minutes

    This revealed a list of users, including:

    Cct2019 Tryhackme [portable]

    is a "Blue Team" oriented capture-the-flag (CTF) challenge originally from the US Navy Cyber Competition Team 2019 Assessment

    The key takeaways from this challenge are: cct2019 tryhackme

    Attackers often modify the registry to ensure their malware runs every time the computer restarts. is a "Blue Team" oriented capture-the-flag (CTF) challenge

  • Key observation: Large number of ICMP echo request/reply packets with unusual payload sizes.

    • First Flag (user.txt): After gaining a basic shell (e.g., via a reverse shell payload injected into the template), we navigate to /home/chester or /home/user to find user.txt. Key observation: Large number of ICMP echo request/reply

    Investigation Steps:

    . It is not intended for beginners and requires a high level of persistence. Time Commitment: The room has a suggested timeframe of 180 minutes

    This revealed a list of users, including: