OllyDbg

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Progress in OllyDbg 64 (05-Feb-2014)
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+ Disassembler v2.01, preliminary version (GPL v3)

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Off-topic 1: PaperBack - backups on the paper (v1.10 22-Jul-2013)
Off-topic 2: Jason - graphical interface to the Hercules S/370 emulator
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5 X4 f( o9 ^# y2 POllyDbg 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
  
• 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
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• 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
  

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