Email worm detection by wavelet analysis of DNS query streams.

Nikolaos Chatzis Radu Popescu-Zeletin Nevil Brownlee

Published in: CICS (2009)

Keyphrases

wavelet analysis
email
wavelet transform
multiresolution
worm detection
mexican hat
factor analysis
gaussian function
data sources
false alarms
low frequency
feature detection
image processing
basis functions