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Welcome to my homepage!

I'm a master student at the Swiss Institute of Technology (EPFL) and an infosec enthusiast. You'll find below some pointers to posts and software I have written in the past.

Feel free to drop me an email at christoantispam, see http://www.grall.name/posts/1/antiSpam-emailAddressObfuscation.html for interesting statsphe@tafanihttps://www.youtube.com/watch?v=dQw4w9WgXcQ-dereeper.me or to tweet @christophetd.

Find origin servers of websites behind by CloudFlare using Internet-wide scan data from Censys
subdomain enumeration using the certificate transparency logs from Censys
A tool to browse and search nmap's NSE scripts
Easily geolocate IP addresses by batch
Execute untrusted python code in Docker containers created on the fly

Quotes I find inspiring. Taken from a book, a movie, a reddit post, a blog post, or an overheard conversation.

  • «  Not every problem is a nail, and not every solution a hammer  »
  • «  Under-promise and over-deliver  »
Find me on the web