# Califrobnication ``` ./califrobnication > ~/file & echo $! | date on shell server ``` This will give you an exact timestamp and an approximate PID Next run following command locally, with a flag.txt file of length 49 ```bash date +%s -s @ ;sudo echo > /proc/sys/kernel/ns_last_pid; ./califrobnication | hd ``` You will get a number of different outputs\ Look for one that has the last letter of flag.txt xor'ed in the same place as the } xor'ed was on the shell\ Dexor\ Reassemble the flag\ GG;No re ## actf{dream\_of\_califrobnication\_1f6d458091cad25} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://the-winrars.gitbook.io/writeups/2020-writeups/angstrom/califrobnication.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.