PoC Codes - sample 1

# NBOX HDTV client for ITI 5800S, ITI 5800SX, ITI 2850ST, ITI2849ST
# (c) SECURITY EXPLORATIONS    2011 poland

box> jcat /flash/standalone.properties
#
gateway=010.000.000.002
presetGroupDefinitions=[]
latestDisplayedInvoice=649998
signal3Scan=false
LastUpgradeSatelliteSymbolrateKS=27500
videoMode=1080i
ip=010.000.000.006
singleCableMode=true
terrestrialUsedTuners=0
scanPromptHandled=true
appConfigOld=10
firstTimeInstallation=false
signal2Scan=false
downloadVersion=0X34
subnetMask=255.255.255.000
internetRadioTableVersion=1003
ethConfigType=2
signal4Scan=false
dns1=010.000.000.002
presetTableVersion=1006
lastUnreadInvoicePopup=649998_1321316262624
LastUpgradeSatelliteFrequencyMHz=11448
doNotRemoveThisLine=yes

box> cat /etc/udhcpc_iptv.script
#!/bin/sh

RESOLV_CONF="/etc/resolv.conf"
UDHCPC_INF="/tmp/udhcpc.inf"

update_interface()
{
  [ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
  [ -n "$subnet" ] && NETMASK="netmask $subnet"
  ifconfig $interface $ip $BROADCAST $NETMASK
}

update_hosts()
{
  echo "siaddr:$siaddr" >> $UDHCPC_INF
}

update_routes()
{
  if [ -n "$router" ]
  then
    for i in $router
    do
      echo "[INFO] router: $i"
      echo "[INFO] siaddr: $siaddr"
      route add $siaddr gw $i dev $interface
      echo "[INFO] IGMP 224.0.0.0 routing added to $interface"
      route add -net 224.0.0.0 netmask 240.0.0.0 dev $interface
    done
  fi
}

rmfiles()
{
    rm -f $UDHCPC_INF 2> /dev/null
}

deconfig()
{
    ifconfig $interface 0.0.0.0
}

nak_received()
{
    echo NAK
    echo $message
}

echo $0 $1

case "$1" in
  bound)
    rmfiles
    update_interface;
    update_hosts;
    update_routes;
  ;;

  renew)
    rmfiles
    update_interface;
    update_hosts;
    update_routes;
  ;;

  deconfig)
    rmfiles
    deconfig;
  ;;

  leasefail)
    rmfiles
  ;;

  nak)
    nak_received;
  ;;

  *)
    echo "Usage: $0 {bound|renew|deconfig|leasefail|nak}"
    exit 1
    ;;
esac

exit 0