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About NetCat

September 11th, 2008 Leave a comment Go to comments

About NetCat

NetCat a great network tool checkout this examples:

Create a Small WebServer:

while true; do nc -l -p 80 -q 1 < error.html; done

Transfer Files:

nc -lp $PORT > $FILE
cat $FILE | nc -w 1 $HOST $PORT

Chat Server:

nc -lp $PORT
nc $HOST $PORT

Spoof Headers:

echo -e "GET / HTTP/1.1\n\n" | nc -v $HOST 80

Backup System:

nc -lp $HOST > backup.tar.gz
tar cf - $DIR  | gzip  | nc -w 1 $HOST $PORT

Remote Shell:

nc -lp $PORT -e $CMD
nc $HOST $PORT

Clonning Hard Drive:

nc -l -p $PORT | dd of=/dev/sda
dd if=/dev/sda | nc $HOST $PORT

Port Scanner:

nc -vz $HOST 21-80

Web: http://netcat.sourceforge.net/

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