Reversing : The Hacker's Guide to Reverse Engineering

EXTENSION_CONTROL_BLOCKpointer. You just make sure to overwrite the exception handler pointer, and when the function crashes the ...

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273 Malicious software (or malware) is any program that works against the inter- ests of the system’s user or owner. Generally s ...

Types of Malware Malicious code is so prevalent these days that there is widespread confusion regarding the different types of m ...

application program vulnerabilities that allow it to hide in a seemingly innocent data packet. These are the vulnerabilities we ...

Backdoors Abackdooris a type of malicious software that creates a (usually covert) access channel that the attacker can use for ...

of this category, but probably the most popular ones are the Adware-type pro- grams. Adware is programs that force unsolicited a ...

Each of these components constantly ensures that none of the others have been removed. If it has been, the damaged component is ...

are discussed in [Young], including zero-knowledge proofs that could be used to allow an attacker to prove that he or she is in ...

component in a computer system: the hardware. In reality, it would not be easy to implement this kind of attack. The contents of ...

crafted malicious program running on many systems, he or she can start utilizing these systems for extra computing power or extr ...

Polymorphism The easiest way for antivirus programs to identify malicious programs is by using unique signatures. The antivirus ...

Consider, for example, the instructions at 00403448 and 0040344E. Both instructions load a value into EAX, which is used in inst ...

This is where metamorphism enters into the picture. Metamorphism is the next logical step after polymorphism. Instead of encrypt ...

confusion for human reversers that attempt to analyze the metamorphic program. Function Order The order in which functions are s ...

The program is essentially a Trojan because it is frequently distributed as an innocent picture file. The file is called a varie ...

0 ShellExecuteA USER32.DLL 0 CharUpperBuffA WININET.DLL 0 InternetOpenA WS2_32.DLL 0 bind Summary 3000 .rsrc 9000 UPX0 2000 UPX1 ...

Ultimate Packer for eXecutables Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 UPX 1.92 beta Markus F.X.J. O ...

0 WriteFile 0 CreateMutexA 0 CreateThread ADVAPI32.DLL 0 GetUserNameA 0 RegDeleteValueA 0 RegCreateKeyExA 0 RegCloseKey 0 RegQue ...

0 inet_addr 0 htons 0 getsockname 0 socket 0 gethostbyname 0 gethostbyaddr 0 connect 0 closesocket 0 bind 0 accept 0 __WSAFDIsSe ...