Login or Register ::  Home  ::  Search  ::  Your Account  ::  Forums  ::   Waraxe Advisories  ::  Tools  :: May 25, 2012 Menu  Home  Logout  Discussions  Forums  Members List  IRC chat  Tools  Base64 coder  MD5 hash  CRC32 checksum  ROT13 coder  SHA-1 hash  URL-decoder  Sql Char Encoder  Affiliates  y3dips ITsec  Md5 Cracker  User Manuals  AlbumNow  Content  Content  Sections  FAQ  Top  Info  Feedback  Recommend Us  Search  Journal  Your Account User Info Welcome, Anonymous Nickname Password (Register) Membership: Latest: mr_moore New Today: 1 New Yesterday: 3 Overall: 8202 People Online: Visitors: 256 Members: 1 Total: 257 Online Now: 01: mr_moore - Forums milw0rm ·[webapps / 0day] - appRain CMF Arbitrary PHP File Upload Vulnerability ·[local exploits] - OpenOffice OLE Importer DocumentSummaryInformatio n Stream Handling ·[local exploits] - Mod_Auth_OpenID Session Stealing Vulnerability ·[dos / poc] - Symantec End Point Protection 11.x & Symantec Network Access Control 11.x LCE ·[dos / poc] - Tftpd32 DHCP Serve 4.00 Denial Of Service ·[webapps / 0day] - Ajaxmint Gallery 1.0 Local File Inclusion ·[webapps / 0day] - RuubikCMS 1.1.0 Beta XSS / Disclosure / Directory Traversal ·[webapps / 0day] - Insight Creative Sql injection/Reflected XSS Vulnerabilties ·[webapps / 0day] - AFFY (index.php) Blind Sql Injection Vulnerability ·[webapps / 0day] - ezContents (1.x.x , 2.0.3) Blind injection/Reflected XSS Vulnerabilties read more... PacketStorm News ·Mandriva Linux Security Advisory 2012-080 ·Red Hat Security Advisory 2012-0688-01 ·Debian Security Advisory 2479-1 ·Debian Security Advisory 2478-1 ·Ubuntu Security Notice USN-1450-1 ·Drupal BrowserID 7.x Cross Site Request Forgery ·Drupal Taxonomy List 6.x Cross Site Scripting ·Drupal Search API 7.x Cross Site Scripting ·Secunia Security Advisory 49200 ·Secunia Security Advisory 49235 read more... IT Security and Insecurity Portal www.waraxe.us Forum Index -> All other hashes -> Trying to understand strange hashing scheme...    View previous topic :: View next topic  Trying to understand strange hashing scheme... Posted: Tue May 24, 2011 5:18 pm Cafeine Beginner   Joined: May 24, 2011 Posts: 2 So here it is, I'm trying to break the one stupid internet game and it's giving me some pain... Here is an exemple of the information sent to the server : lapTime 71417 langue FR who MINE fbid_friend XXXXXXXXX hash b060521884128b17b622f478fbffc2fe rnb 0d08c8abd04f3a09fdded3b3eb830ace mystring 13950,bdbb1a6e05b8a7868805bd237f00b71a,14250,7145048e2953f19159945705a7980ce6,15133,c7721bcb5410266c8e6d5c083d079959,14450,872c74b2902511979da3787f2e1705ba,13634,287502bbabe880233418d3f8e7a98065, hashtime 700c79ce00a436eeca15c052e6c56ba4 i_h 25da9af83cef2118511e81c955c356f4 i_r 2612485859300 e_r 2612486002180 e_h 6cb02da732db68a50a0f39af7749d072 So... I suspect that i_h is the hash of i_r and e_h is the hash of e_r... lapTime should be hashed in either "hash" or "hashtime" field. I think rnb is a random number (or the hash of a random number I guess) I had to hide the fbid_friend for privacy reasons but I don't think it's related. The "mystring" field should be in a format like "number1,number1_hash,number2,number2_hash,etc...) The thing is there must be salt or sth because I don't understand how they do it... But all the info should be there (not the salt if it's salted obviously...) Can someone help me with this ? Posted: Thu May 26, 2011 11:51 am Cafeine Beginner   Joined: May 24, 2011 Posts: 2 Nobody ? Posted: Fri May 27, 2011 1:39 pm pexli Valuable expert   Joined: May 24, 2007 Posts: 663 Location: Bulgaria Without all scripts nobody can't tell you what is all this hashes. 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