Yesterday we where still working on some attacks on our bench test and we tried some exploits on IP phones that we found on the internet. Most of them where making DOS or DDOS on the phones, this means that the phones were basically freezing. Then we made some modification to a C UDP flooder [...]
Tagged 3825, 3845, 7940, c, cisco, ddos, ephone, flood, hack, Security, udp.c, voipThis code was just a challenge, I wanted to create a simple image file with BMP headers. The following code simply generate pink pixel . There is actually a pixel on this post somewhere there —> #include int main(void){ FILE *f; int filesize = 54 + 3*1*1; unsigned char bmpfileheader[14] = {‘B’,'M’, 0,0,0,0, 0,0,0,0, 54,0,0,0}; [...]
Tagged bmp, c, image, pixel, programming, red, uselessTo know who’s connected on your computer use the following commands : Commands : who : show the connected users : Linux/Mac last : show last connexion (passed ) : Linux / Mac lastb : show last connexion (failed) : Linux These files may also contain clues : /etc/passwd : local users /etc/group : local [...]
Tagged connexion, groups, Linux, mac, Networking, Security, user, whoWhat’s xrandr ? Xrand is a command that can be use to configure a screen resolution as well as many other parameters of a screen To use xrand open a shell and type server # xrandr you should see the actual configuration of your screen(s) to rotate them you can use this command xrandr –output [...]
Tagged dual screen, Linux, man, monitor, resolution, screen, xrandrThis trick can help you to save data over your network. first create a ssh certificate on both computers ( server (nas) + your computer ) export it to the the server Run the small script below #!/bin/bash #directory to backup BDIR=~noktec/Desktop/ #Destination IP IP=192.168.80.246 #destination DDIR=/home/noktec #UserName UN=noktec if [ -z $1 ] then [...]
Tagged rsync, scriptThis solution applies if you want to receive an e-mail when one connects to your server via SSH. open a command line and type in : vim ./.bashrc at the end of the file add the following command : # Email Notification on ssh connexion echo ‘NOTIFICATION – SSH acces in USERNAME on `hostname` the:’ [...]
Tagged connection, e-mail, ssh