You can use this cheat sheet for exploiting web servers and application servers for directory traversal.
This is eight level of deep Directory Traversal. There are 880 variants of Directory Traversal attack signatures.
To use this list effectively, you need to replace the "(Filename)" phrase to the desired file - Depending by the attacked web server OS.
Be my guest to suggest more variants to this awesome list.
Credits to Luca "ikki" Carettoni.
Open the cheat sheet (this will take few seconds to load this long list)