Install argus via terminal
sudo apt-get install argus-client
Convert .pcap to .argus file format
argus -r filename.pcap -w filename.argus
-r Read FILE
-w Write FILE
Convert .argus to .csv file forrmat while choosing which features to extract
ra -r filename.argus -u -s
Example:
ra -r filename.argus -u -s rank, stime, ltime, dur
-r Read FILE
-u Print time values using Unix time format (seconds from the Epoch).
-s Specify the fields to print.
The list of available fields to print can be found here
This information is copied from my original blog which you can read here