questions.js

var questions = [
    {
        description: "<code>CAP_NET_RAW</code> allows you to use RAW and PACKET sockets and bind to any address for transparent proxying.",
        content: "Do you have access to <code>CAP_NET_RAW</code>?",
        warning: "<strong>Not quite...</strong> Try running <code>ping</code> or <code>wget</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["Have you actually tried to use the network?", "How can you check that you can use packets?"],
        answer: false
    },
    {
        description: "The <code>socket</code> syscall socket() creates an endpoint for communication and returns a file descriptor that refers to that endpoint.",
        content: "Is the <code>socket</code> syscall blocked?",
        warning: "<strong>Not quite...</strong> Try running <code>nc</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["How can you test binding to a socket?"],
        answer: true
    },
    {
        description: "The <code>nanosleep</code> syscall suspends the execution of the calling thread until either at least the time specified in *req has elapsed, or the delivery of a signal that triggers the invocation of a handler in the calling thread or that terminates the process.",
        content: "Is the <code>nanosleep</code> syscall blocked?",
        warning: "<strong>Not quite...</strong> Try running <code>sleep</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["I bet you already thought about it... try it!", "There's a command which name is very close from the syscall ;)", "Try to sleep on it..."],
        answer: true
    },
    {
        description: "The <code>mknod</code> syscall can make block special files. This can grant access to the underlying hardware.",
        content: "Can you make a block special file and access it?",
        warning: "<strong>Not quite...</strong> Try something like <code>mknod /dev/sda b 8 0</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["Maybe you'd like to make a directory (mkdir), make a fifo (mkfifo), or make a.. nod? <a href='https://www.kernel.org/doc/Documentation/admin-guide/devices.txt'>Click here for documentation on the major/minor numbers</a>."],
        answer: false
    },
    {
        description: "AppArmor is a Linux security module that allows for setting permissions and auditing processes.",
        content: "Is the container running with an apparmor profile?",
        warning: "<strong>Not quite...</strong> See profiles by running <code>cat /proc/self/attr/current</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["Look somewhere in /proc/self/"],
        answer: false
    },
    {
        description: "<code>CAP_SYS_ADMIN</code> syscall allows you to do all kinds of things. Override resource limits! Call <code>perf_event_open</code>! See <a href='http://man7.org/linux/man-pages/man7/capabilities.7.html'>the capabilities man page</a> for the full list",
        content: "Do you have access to <code>CAP_SYS_ADMIN</code>?",
        warning: "<strong>Not quite...</strong> Try mounting a tmpfs with <code>mount</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["Have you tried to mount something?", "Can you create a swap and mount it? Try it!"],
        answer: false
    },
    {
        description: "<code>CAP_SYS_TIME</code> is the capability that allows a user to set the system clock or real-time (hardware) clock",
        content: "Do you have access to <code>CAP_SYS_TIME</code>?",
        warning: "<strong>Not quite...</strong> Try running <code>date -s '00:00:01'</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["How can you alter system date? (date --help)"],
        answer: false
    },
    {
        description: "<code>CAP_SYSLOG</code> is the capability that allows a user to execute syslog privileged operations",
        content: "Do you have access to <code>CAP_SYSLOG</code>?",
        warning: "<strong>Not quite...</strong> Try running <code>dmesg -c</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["Do you know dmesg?", "What's a syslog capability?"],
        answer: false
    },
    {
        description: "<code>CAP_SYS_MODULE</code> is the capability that allows a user to load and unload kernel modules",
        content: "Do you have access to <code>CAP_SYS_MODULE</code>?",
        warning: "<strong>Not quite...</strong> Try running <code>rmmod veth</code>.",
        success: "<strong>Congrats!</strong> You are correct.",
        hints: ["What kernel modules are loaded? How can you remove one?"],
        answer: false
    }

];