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Secure Enclave Key Theft, Wormable RCE, Crypto Theft Samtools v1.22.1 Uncontrolled Memory Allocation from Large BED Intervals Causes Denial-of-Service in Samtools/HTSlib IT Security and Insecurity Portal www.waraxe.us Forum Index -> All other hashes -> L2J hash View previous topic :: View next topic L2J hash Posted: Wed Nov 03, 2010 5:37 am tehanderson Active user Joined: Dec 23, 2009 Posts: 33 The original l2j-encoded hash is: Code: 3Y/oRuB5uLE9ZWoVn24hJGqLerE= after some research I found (directly from l2j account manager's php code) that the hashing algo is: Code: base64_encode(pack("H*", sha1(utf8_encode($password)))); so I wrote a simple php script to unpack the original sha1 hash: Code: unpack("H*",base64_decode($l2j_hash)); which actually returns an array which first element is the string containing the sha1 hash which is encoded like this: Code: sha1(utf8_encode($password)); so the resulting sha1 hash in this case is: Code: dd8fe846e079b8b13d656a159f6e21246a8b7ab1 which can be actually cracked as a normal sha1 hash. Last edited by tehanderson on Thu Nov 04, 2010 5:37 pm; edited 1 time in total Posted: Thu Nov 04, 2010 4:31 pm -AO- Advanced user Joined: Jul 15, 2008 Posts: 205 Location: United States Use passwordspro, it has the algorithm. I've used it to crack L2J hash Posted: Thu Nov 04, 2010 5:16 pm tehanderson Active user Joined: Dec 23, 2009 Posts: 33 Well if you run this php code Code: echo sha1(utf8_encode("test"))."\n"; echo sha1("test")."\n"; You 'll see how actually the two things are the same for non-utf8-encoded strings, so Code: sha1(utf8_encode($password))==sha1($password) and thus, once you have decoded the hash, you can just pass it to your favorite GPU cracker with sha1() support, you don't need passwordspro The only thing is that I couldn't crack it... lol Posted: Tue Nov 09, 2010 5:15 am -AO- Advanced user Joined: Jul 15, 2008 Posts: 205 Location: United States Yes, of course. But before your post was edited, you asked if it was possible Posted: Tue Nov 09, 2010 8:44 pm tehanderson Active user Joined: Dec 23, 2009 Posts: 33 well I meant if someone was able to crack it actually, sorry L2J hash www.waraxe.us Forum Index -> All other hashes You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum All times are GMT Page 1 of 1 All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 YearOldest FirstNewest First Select a forumSecurity Research by waraxe----------------General discussionHow to fixMetasploit relatedHash cracking requests----------------MD5 hashesAll other hashesHash related informationhttp://www.waraxe.us portal----------------SuggestionsCooperation proposalsSecurity bugs and issues in general----------------Newbies cornerSql injectionCross-site scripting aka XSSRemote file inclusionFull path disclosureShell commands injectionPhishing and Social EngineeringAll other security holesVarious software----------------PhpNukePostNukePhpBBXMB forumvBulletin BoardInvision Power Boarde107MamboJoomlaXOOPSM$ WindowsLinux worldAll other softwareCoppermine Photo GalleryProgramming languages----------------PhpMySqlPerlJavaJavascriptC and C++Visual BasicBorland Delphi and PascalPythonHTML and XMLAssemblerReverse engineering----------------Newbies cornerDisassemblingPHP script decode requestsMiscellaneous stuff----------------Future of the ITNanotechnologyFun cornerLinksTry2hack sitesProxy databaseDirect Downloads----------------ToolsTutorialsWordlistsRecycle Bin----------------Removed messagesOutdated posts Powered by phpBB © 2001-2008 phpBB Group

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