diff options
Diffstat (limited to '')
| -rwxr-xr-x | bfd/load.py | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/bfd/load.py b/bfd/load.py index ae984c8..22c304e 100755 --- a/bfd/load.py +++ b/bfd/load.py @@ -3,6 +3,12 @@ import argparse import sys import readline import code +import signal +from capstone import * +from capstone.x86 import * + +def SigHandler_SIGINT(signum, frame): + sys.exit(0) class ExceptionHandler(object): def __init__(self, globals, locals): @@ -23,6 +29,8 @@ class CLIArgParser(object): parser.add_argument("--stentries", action='store_true', help="dump section table entries", default=False) parser.add_argument("--objcode", action='store_true', help="dump objects", default=False) parser.add_argument("--test", action='store_true', help="test switch", default=False) + parser.add_argument("--funcs", action='store_true', help="dump functions", default=False) + parser.add_argument("--objs", action='store_true', help="dump objects", default=False) parser.add_argument("--dynsym", action='store_true', help="dump dynamic symbol table", default=False) parser.add_argument("--dlpath", action='store_true', help="dump dynamic linker path", default=False) parser.add_argument("--section", type=str, help="dump a section") @@ -721,6 +729,26 @@ def elf_get_func_code(): elf.init(64) return elf.dump_funcs(False) +class Call_Rewriter(object): + #def __init__(self, obj_code, arch, mode): + def __init__(self, obj_code): + self.obj_code = bytes(obj_code) + self.md = Cs(CS_ARCH_X86, CS_MODE_64) + #self.md = Cs(arch, mode) + + def dumpall(self): + for i in self.md.disasm(self.obj_code, 0x1): + print("0x%x:\t%s\t%s" %(i.address, i.mnemonic, i.op_str)) + + def run(self): + for i in self.md.disasm(self.obj_code, 0x1): + if i.mnemonic == "call": + print("0x%x:\t%s\t%s" %(i.address, i.mnemonic, i.op_str)) + +class Global_Rewriter(object): + def __init__(self): + pass + def main(): try: argparser = CLIArgParser() @@ -736,12 +764,19 @@ def main(): elif argparser.args.symbolindex: elf.dump_symbol_idx() elif argparser.args.stentries: elf.dump_st_entries() elif argparser.args.objcode: elf.dump_funcs(True) - elif argparser.args.test: elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, True) - elif argparser.args.test: elf.dump_symbol_string(ELF_ST_TYPE.STT_OBJECT, True) + elif argparser.args.funcs: elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, True) + elif argparser.args.objs: elf.dump_symbol_string(ELF_ST_TYPE.STT_OBJECT, True) elif argparser.args.dynsym: elf.dump_st_entries_dyn() elif argparser.args.dlpath: elf.dump_section(".interp") elif argparser.args.section: elf.dump_section(argparser.args.section) + elif argparser.args.test: + print(elf.dump_funcs(False)[10]) + print(elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, False)[10]) + code = elf.dump_funcs(False)[10] + rewriter = Call_Rewriter(code) + rewriter.run() except: + signal.signal(signal.SIGINT, SigHandler_SIGINT) variables = globals().copy() variables.update(locals()) shell = code.InteractiveConsole(variables) |