What is Olly Debugger? Free Download!!!

>> Friday, January 29, 2010

OllyDbg is a 32-bit assembler level analysing debugger for Microsoft® Windows®. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable. OllyDbg is a shareware, but you can download and use it for free. Special highlights are:
Intuitive user interface, no cryptical commands                            
Code analysis - traces registers, recognizes procedures, loops, API calls, switches, tables, constants and strings                                                                                    
Directly loads and debugs DLLs                                                                    { Read Full Story }

Object file scanning - locates routines from object files and libraries
Allows for user-defined labels, comments and function descriptions
Understands debugging information in Borland® format
Saves patches between sessions, writes them back to executable file and updates fixups
Open architecture - many third-party plugins are available

No installation - no trash in registry or system directories
Debugs multithread applications
Attaches to running programs
Configurable disassembler, supports both MASM and IDEAL formats
MMX, 3DNow! and SSE data types and instructions, including Athlon extensions
Full UNICODE support
Dynamically recognizes ASCII and UNICODE strings - also in Delphi format!
Recognizes complex code constructs, like call to jump to procedure
Decodes calls to more than 1900 standard API and 400 C functions
Gives context-sensitive help on API functions from external help file
Sets conditional, logging, memory and hardware breakpoints
Traces program execution, logs arguments of known functions
Shows fixups
Dynamically traces stack frames
Searches for imprecise commands and masked binary sequences
Searches whole allocated memory
Finds references to constant or address range
Examines and modifies memory, sets breakpoints and pauses program on-the-fly
Assembles commands into the shortest binary form
Starts from the floppy disk
and much, much more!

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