Networking

Routing

# Check Routes
sudo route
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# Add route with route
sudo route add -net 192.168.222.0 netmask 255.255.255.0 gw 10.175.34.1 tap0
​
# Remove route with route
sudo route del -net 192.168.222.0 netmask 255.255.255.0 gw 10.175.34.1 tap0
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# Add route with ip
sudo ip route add 192.168.222.0/24 via 10.175.34.1
​
# Remove route with ip
sudo ip route del 192.168.222.0/24 via 10.175.34.1

Arp Spoofing

sudo apt-get install dsniff
sudo arpspoof
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echo 1 > /proc/sys/net/ipv4/ip_forward
arpspoof -i <INTERFACE> -t <TARGETSERVER> -r <TARGETCLIENT>

Port Scanning

Nmap

# Full port scan
nmap -sS -p- -A <host> -T5 -oN outputfilename
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# Ping sweep
nmap -sn <host>
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# Host discovery, no ping
nmap -n -sn -PS22,135,443,445 <host>
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# DNS discovery
sudo nmap -sS -sU -p53 -n <host>

Hping / Hping3

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DNS

nslookup
> server <IP>
> set q=NS (Or any other type, MX, A etc)
> <DNSName, eg google.com)
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# Dig
dig @<serverIP> <DNSname> -t AXFR +nocookie
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# Host
host -t axfr <DNSName> <SERVERIP>