[Snort-users] best way to match on CIFS filenames?
Jason.Haar at ...294...
Thu May 22 22:55:49 EDT 2008
I'm trying to write a rule to capture uploads of certain filenames via
CIFS. However, over the years SMB became CIFS, Unicode was introduced,
etc, etc. Which leads to the current mess whereby my "rule" is turning
into "rules" as I try to figure out all the combinations.
Anyway, I was wondering if there was any built-in 'normalizing'
function I could use so that I could look for strings without worrying
about their case or unicode status.
e.g. a filename of "ntldr.exe" can be "NTLDR.EXE", "Ntldr.exE" as well
I am making so many fat-finger mistakes getting that right that I'm
hoping the Sourcefire guys have too ;-)
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
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