Login or Register :: Home :: Search :: Your Account :: Forums :: Waraxe Advisories :: Tools :: November 21, 2024 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: MichaelSnaRe New Today: 0 New Yesterday: 0 Overall: 9144 People Online: Visitors: 149 Members: 0 Total: 149 Full disclosure SEC Consult SA-20241112-0 :: Multiple vulnerabilities in Siemens Energy Omnivise T3000 (CVE-2024-38876, CVE-2024-38877, CVE-2024-38878, CVE-2024-38879) Security issue in the TX Text Control .NET Server for ASP.NET. SEC Consult SA-20241107-0 :: Multiple Vulnerabilities in HASOMED Elefant and Elefant Software Updater Unsafe eval() in TestRail CLI 4 vulnerabilities in ibmsecurity 32 vulnerabilities in IBM Security Verify Access xlibre Xnest security advisory & bugfix releases APPLE-SA-10-29-2024-1 Safari 18.1 SEC Consult SA-20241030-0 :: Query Filter Injection in Ping Identity PingIDM (formerly known as ForgeRock Identity Management) (CVE-2024-23600) SEC Consult SA-20241023-0 :: Authenticated Remote Code Execution in Multiple Xerox printers (CVE-2024-6333) APPLE-SA-10-28-2024-8 visionOS 2.1 APPLE-SA-10-28-2024-7 tvOS 18.1 APPLE-SA-10-28-2024-6 watchOS 11.1 APPLE-SA-10-28-2024-5 macOS Ventura 13.7.1 APPLE-SA-10-28-2024-4 macOS Sonoma 14.7.1 IT Security and Insecurity Portal www.waraxe.us Forum Index -> Newbies corner -> Out of Idiea View previous topic :: View next topic Out of Idiea Posted: Tue Dec 11, 2007 6:03 pm rallesh Regular user Joined: Dec 11, 2007 Posts: 6 Hi, I am trying to reverse an application which is not packed/protecded. but have some internal protection. I searched the net and various forums but failed to find any tutorial for such . the internal protection is code integerity check. checksum error etc. I am a newbie but not a purly newbie. I do have some knowledge about RCE I have gone through atleast 100 tutrials for such. I have also reversed some 4-5 applications. But this application is annoying me. Is anybody there who can help me out. I want that atleast He/She should help me to fix the crc and code integrity check. and tell me is that very hard to reverse this application. Thanx and waiting for some geniun and positive reply. Posted: Tue Dec 11, 2007 6:54 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu It all depends. CRC check can be easy to defeat, but if executable is written in Visual Basic for example, then it's very hard to figure out the working logics. Anyway - please more info - like what language and/or compilator is used ?? Posted: Wed Dec 12, 2007 5:13 am rallesh Regular user Joined: Dec 11, 2007 Posts: 6 waraxe wrote: It all depends. CRC check can be easy to defeat, but if executable is written in Visual Basic for example, then it's very hard to figure out the working logics. Anyway - please more info - like what language and/or compilator is used ?? Thanks for your quick response as I was expecting this in this forum. Well the programme is written in Bordland Delphi. The Pied .094 hard/ Deep scan didnt revealed anything. May be its not packed/ Protected or packed/protected with an unknown packer/protector. But when I updated some User.db it shows Upolyx v0.5. But I doubt as it has very little signatures. may be I am wrong. hmmmmmmmm Dont know how to do it. Well the Crypto Analyser shows four signs. 1. BlowFish [Sbox} 2. Golden ratio 3.MD5 4.Pi Fraction Posted: Wed Dec 12, 2007 12:10 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Still, i have not understand your intentions and motivation. Is this target executable from some cracking/reverse engineering challenge? If so, then you should be able to solve it yourself, right? Or this target is something you need to use and just want to crack it yourself, because no crack can be found from elsewere? Please explain ... Posted: Wed Dec 12, 2007 4:18 pm rallesh Regular user Joined: Dec 11, 2007 Posts: 6 waraxe wrote: Still, i have not understand your intentions and motivation. Is this target executable from some cracking/reverse engineering challenge? If so, then you should be able to solve it yourself, right? Or this target is something you need to use and just want to crack it yourself, because no crack can be found from elsewere? Please explain ... Well, Its an Commercial Software and its previous version has been cracked by an unknown cracker. But the new version is far most and improved which I need badly. The problem is that software cost too much which an third world pepole cant afford. So decided to take the challange myself. I cant name the target here as it will not amount to a good practice and I also dont wanna make it public. If you wanna know the target I can PM you. I trying on this for 7 months but didnt got any sucess actually the problem is that I havent seen any tutorials regarding such problem. previously I wouldnt even able to start it in any debbuger but tried and tried and got success atleast to run through in debugger (OllyDbg1.10). I only wanna that someone atleast help me to fix its codeintegrity check and crc check. hmmmmmmmm tierd of posting so much hope that atleast someone interested person can help me. thanxs Posted: Wed Dec 12, 2007 5:23 pm waraxe Site admin Joined: May 11, 2004 Posts: 2407 Location: Estonia, Tartu Well, i can't promise anything, but you are welcome to PM me details and I will take a look @ target. 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