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Old 12-20-2014, 12:46 AM   #1
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Tuto Auto ban Illegal CCcam Users in Debian



After some time, You see peers that don't delete you're line once removed or worse, they hand out the line to all kind of people who try to gain access to you're server.

For this i took the basic idea of a script from Unlocker-al and put together this little ban script.

PHP Code:
#!/bin/sh 
########################### 
## Auto Ban script       ## 
## Illegal CCcam Users   ## 
## Written By CC_Share   ## 
## Thanks to Unlocker-AL ## 
## For the Basic idea    ## 
########################### 
workdir="/"                        #This is there the debug info from CCcam is dumped 
firewall="/"          #The saved firewall rules 
logdir="/emu/log"                       #The logfile directory 
EMAIL=""                 #Email adres to mail result to 
SUBJECT="Illegal Userlist CCcam"        #Subject title of the email 
EMAILMESSAGE="/emu/log/illegaluser.txt" #List that contains the Illegal users 
rm $workdir/debug.old 
cp $workdir
/debug.txt $workdir/debug.old 
cp $logdir
/iptables-save.new $logdir/iptables-save.old 
cat $workdir
/debug.old|grep illegal $logdir/illegaluser.log 
grep 
'illegal' $logdir/illegaluser.log awk -F" " '{print $5,$7}' $logdir/illegaluser.txt 
grep 
'illegal' $logdir/illegaluser.log awk -F" " '{print $7}' grep -'^[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' $logdir/badIP.out 
awk 

{s[$0]++} 
END { 
for(i in s) { 
if(s[i]>1) { 
print i 

 } 
 }' 
$logdir/badIP.out $logdir/badIP.block 
while IFSread -r EachLine 
do 
command="iptables -A INPUT -s "$EachLine" -j DROP" 
echo $command 
$command 
done 
$logdir/badIP.block 
rm $logdir
/badIP.block 
if [ -s $logdir/illegaluser.txt ] ; then 
iptables
-save -$logdir/iptables-save.new 
/
usr/bin/nail -"$SUBJECT" "$EMAIL" $EMAILMESSAGE 
else 
echo 
"No Illegal Users found right now" 
fi 
sleep 1 
$workdir/debug.txt 
exit 
This script will scan you're debug file for illegal users, sort out the username and ip and insert the IP in ip-tables.
If you want, the script can also mail you the result so you know what users are put in ip-tables and gives you the advantage to check if it's not a valid user.
You can put this script in the crontab to enable automatic checking.
The following is an example how to install.
Code:
./CCcam.x86 -dv > /home/debug.txt
Then change the following lines in the script to match the debug file and it's location.
Code:
workdir="/"
Should be :
Code:
workdir="/home"
and this line :
Code:
firewall="/"
Should be changed to where you want the firewall rules to be saved Code:
Code:
firewall="/emu/log/"
To insert it in the crontab, edit it and insert this line:
Code:
00 */1  * * * root /emu/script/./illegal.sh
This will run the script every whole hour.
For the mail function to work, you have to do the following:
PHP Code:
apt-get install nail 
apt
-get install exim4 
dpkg
-reconfigure exim4-config 
Insert here a valid email address
PHP Code:
EMAIL="" 
regards
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