If the parent process not started with the client process at the same time and parent process first.we need inject the debugger by myself.Just selete a process in list and click "inject" ,a debugger will be started. This tool must inject into the parent process and listen client process create event. This tool can let you debug a client process as a normal process,you can use normal debugger(exp:ollydbg) to debug the parent process at the same time. Searches for imprecise commands and masked binary sequencesįinds references to constant or address rangeĮxamines and modifies memory, sets breakpoints and pauses program on-the-flyĪssembles commands into the shortest binary form Traces program execution, logs arguments of known functions Sets conditional, logging, memory and hardware breakpoints Gives context-sensitive help on API functions from external help file Recognizes complex code constructs, like call to jump to procedureĭecodes calls to more than 1900 standard API and 400 C functions MMX, 3DNow! and SSE data types and instructions, including Athlon extensionsĭynamically recognizes ASCII and UNICODE strings - also in Delphi format! No installation - no trash in registry or system directoriesĬonfigurable disassembler, supports both MASM and IDEAL formats Open architecture - many third-party plugins are available Saves patches between sessions, writes them back to executable file and updates fixups Understands debugging information in Borland® format Object file scanning - locates routines from object files and librariesĪllows for user-defined labels, comments and function descriptions Intuitive user interface, no cryptical commandsĬode analysis - traces registers, recognizes procedures, loops, API calls, switches, tables, constants and strings OllyDbg is a shareware, but you can download and use it for free. Emphasis on binary code analysis makes it particularly useful in cases where source is unavailable. OllyDbg is a 32-bit assembler level analysing debugger for Microsoft® Windows®.
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