Reverse Engineering v/s Secure Coding
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The document discusses the differences between reverse engineering and secure coding, and provides tips to help secure software against reverse engineering attacks. It notes that cryptography and protectors in registration routines can be easily defeated. Packers may help but are still simple to overcome. Decompilation of .NET and Java applications is easy due to reliance on runtime environments. The author suggests using techniques like spaghetti code, polymorphism, and thinking like a reverse engineer to help tackle reverse engineering and secure software.
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![Can I Tackle R.E ? Technically Speaking? No you Can’t! Logically ? Bore us to Death! How? a] Use spaghetti Code. b] Jump all over the Place. c] Learn Polymorphism. d] Learn to use your “Imagination” as a tool. e] Think like a Reverse Engineer!](https://image.slidesharecdn.com/atulclubhack08-1230828063740310-1/85/Reverse-Engineering-v-s-Secure-Coding-7-320.jpg)
![“ Thinking Before Writing, saves the time spent in Editing.” –Pirated. Thank You. Atul Alex Cherian, www.OrchidSeven.com . Ph:9860056788. [email_address]](https://image.slidesharecdn.com/atulclubhack08-1230828063740310-1/85/Reverse-Engineering-v-s-Secure-Coding-8-320.jpg)
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- 3. Cryptography?...Hmm… Cryptography in Application Registration routines don’t make sense. Cryptographic Algorithm adds to the applications’ size & is Processor intense. Cryptographic Algorithm in Registration routines can be either completely ripped off or totally bypassed and they pose no challenge to a Cracker.
- 4. Packers & Protectors? What are Packers? What are Protectors? Packers make Sense but Protectors don’t ! Packers == very easy to defeat. Protectors == who cares to defeat ? Virtual Machines?.... Not again!
- 5. .Net & Java == Not Cool? Decompilation & not Disassembling. .Net is M$’s take on Java. .class files & .net executables rely heavily on Runtime Environment Components. Damn easy to break code and Damn tough to prevent us from Tampering with your App.
- 6. Mobile Devices…. Yeah! Sony Ericsson’s “.Sest” Feature talked about for the first time ever! J2me applications built for Mobile Devices should be “Freewares”. J2me Trojans can be very easy to code. Don’t even want to talk about Sony Ericsson & Siemens’ “Phone Modding”.
- 7. Can I Tackle R.E ? Technically Speaking? No you Can’t! Logically ? Bore us to Death! How? a] Use spaghetti Code. b] Jump all over the Place. c] Learn Polymorphism. d] Learn to use your “Imagination” as a tool. e] Think like a Reverse Engineer!
- 8. “ Thinking Before Writing, saves the time spent in Editing.” –Pirated. Thank You. Atul Alex Cherian, www.OrchidSeven.com . Ph:9860056788. [email_address]