Themida v220.127.116.11 (x32)
Themida 18.104.22.168 (x32) | 16.63 MB
When an application is being created, the Compiler will compile the application source code into several object files made of machine language code. Then the object files are linked together to create the final executable. In the same manner that the source code of an application is converted into machine code at compilation time, there are tools that can convert a compiled application into assembly language or a higher programming language. These tools are known as dissemblers and de-compilers.
An attacker can use a dissembler or de-compiler to study how a specific application works and what a specific routine does. When the attacker has a good knowledge of the target application, he can modify the compiled application to alter his behavior. For example, the attacker could bypass the routine that checks for the trial period in an application and make it run forever or even worse, cause the application to behave as if it was registered.
oftware protectors where created to keep an attacker from directly inspecting or modifying a compiled application. A software protector is like a shield that keeps an application encrypted and protected against possible attacks. When a protected application is going to be run by the operating system, the software protector will first take control of the CPU and check for possible cracking tools (dissemblers or de-compilers) that may be running on the system. If everything is safe the software protector will proceed to decrypting the protected application and giving it the control of the CPU to be executed as normal.
The advantages of using a Software Protector are:
Protect an application against piracy.
Prevents attackers from studying how an application is implemented.
Will not allow attackers to modify an application to change its behavior .
Since software protectors were born, many attackers have centered most of their efforts on attacking the software protectors themselves instead of the applications. Many tools have been developed that aid in the attacking of software protectors. These attacks often result in the attacker obtaining the original application that is decrypted and has the protection wrapper removed.
The main problem with software protectors is that they use protection techniques very well known by crackers, so they can be easily bypassed with traditional cracking tools.
Another important problem in software protectors is that they have restricted execution by the operating system, that is, they run with normal application privileges. Because of this attackers can use cracking tools that run at the same priority level as the operating system allowing them to fully supervise what a software protector is doing at a certain time and attack it in specific places.
With Themida® , we have centered in the main weakness that software protectors have thus providing a complete solution to overcome those problems. Themida® uses the SecureEngine® protection technology that, when running in the highest priority level, implements never seen before protection techniques to protect applications against advanced software cracking.
These are the key features of Themida®:Anti-debugger techniques that detect/fool any kind of debugger
-Anti-memory dumpers techniques forany Ring3 and Ring0 dumpers
-Different encryption algorithms and keys in each protected application
-Anti-API scanners techniques that avoids reconstruction of original import table
-Automatic decompilation and scrambling techniques in target application
-Virtual Machine emulation in specific blocks of code
-Advanced Mutator engine
-SDK communication with protection layer
-Anti-disassember techniques for any static and interactive disassemblers
-Multiple polymorphic layers with more than 50.000 permutations
-Advanced API-Wrapping techniques
-Anti-monitors techniques against file and registry monitors
-Random garbage code insertion between real instructions
-Specialized protection threads
-Advanced Threads network communication
-Anti-Memory patching and CRC techniques in target application
-Metamorphic engine to scramble original instructions
-Advanced Entry point protection
-Dynamic encryption in target application
-Anti-tracing code insertion between real instructions
-Advanced Anti-breakpoint manager
-Real time protection in target application
-Compression of target application, resources and protection code
-Anti-"debugger hiders" techniques
-Full mutation in protection code to avoid pattern recognition
-Real-time simulation in target application
-Intelligent protection code insertion inside target application
-Random internal data relocation
-Possibility to customize dialogs in protected application
-Support of command line
-Many many more...
Whats New :
Updates: official site does not provide any info about changes in this version
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