rop-tool v2.4.1

A tool to help you writing binary exploits

OPTIONS

rop-tool v2.4.1
Help you to make binary exploits.

Usage: rop-tool <cmd> [OPTIONS]

Commands :
   gadget        Search gadgets
   patch         Patch the binary
   info          Print info about binary
   heap          Display heap structure
   disassemble   Disassemble the binary
   search        Search on binary
   help          Print help
   version       Print version

Try "rop-tool help <cmd>" for more informations about a command.

GADGET COMMAND

Usage : rop-tool gadget [OPTIONS] [FILENAME]

OPTIONS:
  --arch, -A               Select an architecture (x86, x86-64, arm, arm64)
  --all, -a                Print all gadgets (even gadgets which are not uniq)
  --depth, -d         [d]  Specify the depth for gadget searching (default is 5)
  --flavor, -f        [f]  Select a flavor (att or intel)
  --no-filter, -F          Do not apply some filters on gadgets
  --help, -h               Print this help message
  --no-color, -N           Do not colorize output

SEARCH COMMAND

Usage : rop-tool search [OPTIONS] [FILENAME]

OPTIONS:
  --all-string, -a    [n]  Search all printable strings of at least [n] caracteres. (default is 6)
  --byte, -b          [b]  Search the byte [b] in binary
  --dword, -d         [d]  Search the dword [d] in binary
  --help, -h               Print this help message
  --no-color, -N           Don't colorize output
  --qword, -q         [q]  Search the qword [q] in binary
  --raw, -r                Open file in raw mode (don't considere any file format)
  --split-string, -s  [s]  Search a string "splited" in memory (which is not contiguous in memory)
  --string, -S        [s]  Search a string (a byte sequence) in binary
  --word, -w          [w]  Search the word [w] in binary

PATCH COMMAND

Usage : rop-tool patch [OPTIONS] [FILENAME]

OPTIONS:
  --address, -a       [a]  Select an address to patch
  --bytes, -b         [b]  A byte sequence (e.g. : "\xaa\xbb\xcc") to write
  --filename, -f      [f]  Specify the filename
  --help, -h               Print this help message
  --offset, -o        [o]  Select an offset to patch (from start of the file)
  --output, -O        [o]  Write to an another filename
  --raw, -r                Open file in raw mode

INFO COMMAND

Usage : rop-tool info [OPTIONS] [FILENAME]

OPTIONS:
  --all, -a                Show all infos
  --segments, -l           Show segments
  --sections, -s           Show sections
  --syms, -S               Show symbols
  --filename, -f      [f]  Specify the filename
  --help, -h               Print this help message
  --no-color, -N           Disable colors

HEAP COMMAND

Usage : rop-tool heap [OPTIONS] [COMMAND]

OPTIONS:
  --calloc, -C             Trace calloc calls
  --free, -F               Trace free calls
  --realloc, -R            Trace realloc calls
  --malloc, -M             Trace malloc calls
  --dumpdata, -d           Dump chunk's data
  --output, -O             Output in a file
  --help, -h               Print this help message
  --tmp, -t        <d>     Specify the writable directory, to dump the library (default: /tmp/)
  --no-color, -N           Do not colorize output

Small explication about output of heap command

Each line correspond to a malloc chunk, and the heap is dumped after each execution of heap functions (free, malloc, realloc, calloc)

• addr: is the real address of the malloc chunk

• usr_addr: is the address returned by malloc functions to user

• size: is the size of the malloc chunk

• flags: P is PREV_INUSE, M is IS_MAPED and A is NON_MAIN_ARENA

DISASSEMBLE COMMAND

Usage : rop-tool dis [OPTIONS] [FILENAME]

OPTIONS:
  --help, -h               Print this help message
  --no-color, -N           Do not colorize output
  --address, -a    <a>     Start disassembling at address <a>
  --offset, -o     <o>     Start disassembling at offset <o>
  --sym, -s        <s>     Disassemble symbol
  --len, -l        <l>     Disassemble only <l> bytes
  --arch, -A       <a>     Select architecture (x86, x86-64, arm, arm64)
  --flavor, -f     <f>     Change flavor (intel, att)

FEATURES

• String searching, Gadget searching, patching, info, heap visualization, disassembling
• Colored output
• Intel and AT&T flavor
• Support of ELF, PE and MACH-O binary format
• Support of big and little endian
• Support of x86, x86_64, ARM and ARM64 architecture

EXAMPLES

Basic gadget searching

• rop-tool gadget ./program

Display all gadgets with AT&T syntax

• rop-tool gadget ./program -f att -a

Search in RAW x86 file

• rop-tool gadget ./program -A x86

Search a "splitted" string in the binary

• rop-tool search ./program -s "/bin/sh"

Search all strings in binary

• rop-tool search ./program -a

Patch binary at offset 0x1000, with "\xaa\xbb\xcc\xdd" and save as "patched" :

• rop-tool patch ./program -o 0x1000 -b "\xaa\xbb\xcc\xdd" -O patched

Visualize heap allocation of /bin/ls command :

• rop-tool heap /bin/ls

Disassemble 0x100 bytes at address 0x08048452

• rop-tool dis /bin/ls -l 0x100 -a 0x08048452

SCREENSHOTS

rop-tool gadget /bin/ls

rop-tool search /bin/ls -a

rop-tool search /bin/ls -s "/bin/sh\x00"

rop-tool search /bin/ls -w 0x90

rop-tool heap ./a.out

rop-tool dis ./bin  # Many formats

HOW TO CONTRIBUTE

• Programming (see TODO file if you need ideas)
• Report bugs
• Improve documentation
• Submit new ideas
• ...

DEPENDENCIES

• capstone

LICENSE

• GPLv3 license : http://www.gnu.org/licenses/gpl-3.0.txt

AUTHOR

Tosh

tosh -at- t0x0sh dot org