Infosec Instite n00bs CTF Labs LEVEL 11

URL :http://ctf.infosecinstitute.com/leveleleven.php

show the source code :

Download php-logo-virus.jpg :
check metadata of the php-logo-virus.jpg using exiftool : (http://en.wikipedia.org/wiki/ExifTool)

exiftool.exe d:\Perso\CTFs\infos\php-logo-virus.jpg

ExifTool Version Number         : 9.59

File Name                       : php-logo-virus.jpg

Directory                       : d:/Perso/CTFs/infos

File Size                       : 13 kB

File Modification Date/Time     : 2015:03:12 11:59:03+00:00

File Access Date/Time           : 2015:03:12 11:59:02+00:00

File Creation Date/Time         : 2015:03:12 11:59:02+00:00

File Permissions                : rw-rw-rw-

File Type                       : JPEG

MIME Type                       : image/jpeg

JFIF Version                    : 1.01

Resolution Unit                 : inches

X Resolution                    : 96

Y Resolution                    : 96

Exif Byte Order                 : Big-endian (Motorola, MM)

Document Name                   : infosec_flagis_aHR0cDovL3d3dy5yb2xsZXJza2kuY28udWsvaW1hZ2VzYi9wb3dlcnNsaWRlX2xvZ29fbGFyZ2UuZ2lmáå.

Base64 decode  :

aHR0cDovL3d3dy5yb2xsZXJza2kuY28udWsvaW1hZ2VzYi9wb3dlcnNsaWRlX2xvZ29fbGFyZ2UuZ2lm

http://www.rollerski.co.uk/imagesb/powerslide_logo_large.gif

Flag  : infosec_flagis_POWERSLIDE