Gray Hat Python: Python Programming for Hackers and Reverse Engineers

By Justin Seitz

Python is quick turning into the programming language of selection for hackers, opposite engineers, and software program testers simply because it is simple to put in writing quick, and it has the low-level help and libraries that make hackers chuffed. yet beforehand, there was no actual handbook on easy methods to use Python for a number of hacking initiatives. You needed to dig via discussion board posts and guy pages, perpetually tweaking your personal code to get every thing operating. now not anymore.

Gray Hat Python explains the suggestions in the back of hacking instruments and methods like debuggers, trojans, fuzzers, and emulators. yet writer Justin Seitz is going past concept, displaying you ways to harness present Python-based defense instruments - and the way to construct your individual while the pre-built ones will not reduce it.

You'll find out how to:

  • Automate tedious reversing and protection tasks
  • Design and software your individual debugger
  • Learn easy methods to fuzz home windows drivers and create robust fuzzers from scratch
  • Have enjoyable with code and library injection, smooth and difficult hooking recommendations, and different software program trickery
  • Sniff safe site visitors out of an encrypted internet browser session
  • Use PyDBG, Immunity Debugger, Sulley, IDAPython, PyEMU, and more

The world's top hackers are utilizing Python to do their handiwork. can not you?

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We're attacking 192. 168. 244. 133 and port 21, that is our WarFTPD example (running inside of a digital desktop during this case). The 3rd access tells Sulley that our community sniffer is decided up at the related host and is listening on TCP port 26001, that is the port on which it is going to settle for instructions from Sulley. The fourth tells Sulley that our debugger is listening at 192. 168. 244. 133 in addition yet on TCP port 26002; back Sulley makes use of this port to ship instructions to the debugger. We additionally cross in an extra choice to inform the debugger that the method identify we're attracted to is war-ftpd. exe. We then upload the outlined aim to our guardian consultation . the next move is to tie our FTP requests jointly in a logical model. you will see how we chain jointly the authentication instructions (USER, PASS), after which any instructions that require the person to be authenticated we chain to the move command. eventually, we inform Sulley to begin fuzzing. we've a completely outlined consultation with a pleasant set of requests, so let's have a look at the way to organize our community and computer screen scripts. after we have accomplished doing that, we will be capable of fan the flames of Sulley and spot what it does opposed to our objective. community and technique tracking one of many sweetest beneficial properties of Sulley is its skill to watch fuzz site visitors at the twine in addition to deal with any crashes that happen at the objective process. this can be very important, since you can map a crash again to the particular community site visitors that prompted it, which enormously reduces the time it takes to head from crash to operating make the most. either the community- and process-monitoring brokers are Python scripts that send with Sulley and are tremendous effortless to run. Let's begin with the method video display, process_monitor. py, that's positioned primarily Sulley listing. easily run it to work out the utilization info: python process_monitor. py Output: ERR> utilization: process_monitor. py <-c|--crash_bin FILENAME> filename to serialize crash bin classification to [-p|--proc_name identify] procedure identify to look for and fix to [-i|--ignore_pid PID] forget about this PID whilst looking for the aim technique [-l|--log_level point] log point (default 1), raise for extra verbosity [--port PORT] TCP port to bind this agent to we'd run the process_monitor. py script with the next command-line arguments: python process_monitor. py -c C:\warftpd. crash -p war-ftpd. exe notice through default it binds to TCP port 26002, so we do not use the --port choice. Now we're tracking our goal method, so let us take a look at network_monitor. py. It calls for a number of prerequisite libraries, particularly WinPcap four. 0,[42] pcapy,[43] and impacket,[44] which all supply set up directions at their obtain destinations. python network_monitor. py Output: ERR> utilization: network_monitor. py <-d|--device machine #> machine to smell on (see checklist less than) [-f|--filter PCAP clear out] BPF filter out string [-P|--log_path direction] log listing to shop pcaps to [-l|--log_level point] log point (default 1), raise for extra verbosity [--port PORT] TCP port to bind this agent to community gadget record: [0] \Device\NPF_GenericDialupAdapter [1] {83071A13-14A7-468C-B27E-24D47CB8E9A4} 192.

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