diff options
Diffstat (limited to 'example/asm/shellcode.py')
| -rwxr-xr-x | example/asm/shellcode.py | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/example/asm/shellcode.py b/example/asm/shellcode.py index 0c08a8a3..9be5b517 100755 --- a/example/asm/shellcode.py +++ b/example/asm/shellcode.py @@ -8,6 +8,7 @@ from elfesteem.strpatchwork import StrPatchwork from miasm2.core import parse_asm, asmblock from miasm2.analysis.machine import Machine from miasm2.core.interval import interval +from miasm2.core.locationdb import LocationDB parser = ArgumentParser("Multi-arch (32 bits) assembler") parser.add_argument('architecture', help="architecture: " + @@ -65,31 +66,34 @@ with open(args.source) as fstream: source = fstream.read() -symbol_pool = asmblock.AsmSymbolPool() +loc_db = LocationDB() -blocks, symbol_pool = parse_asm.parse_txt(machine.mn, attrib, source, symbol_pool) +asmcfg, loc_db = parse_asm.parse_txt(machine.mn, attrib, source, loc_db) # Fix shellcode addrs -symbol_pool.set_offset(symbol_pool.getby_name("main"), addr_main) +loc_db.set_location_offset(loc_db.get_name_location("main"), addr_main) if args.PE: - symbol_pool.set_offset(symbol_pool.getby_name_create("MessageBoxA"), - pe.DirImport.get_funcvirt('USER32.dll', 'MessageBoxA')) + loc_db.set_location_offset(loc_db.get_or_create_name_location("MessageBoxA"), + pe.DirImport.get_funcvirt('USER32.dll', + 'MessageBoxA')) # Print and graph firsts blocks before patching it -for block in blocks: +for block in asmcfg.blocks: print block -open("graph.dot", "w").write(blocks.dot()) +open("graph.dot", "w").write(asmcfg.dot()) # Apply patches patches = asmblock.asm_resolve_final(machine.mn, - blocks, - symbol_pool, + asmcfg, + loc_db, dst_interval) if args.encrypt: # Encrypt code - ad_start = symbol_pool.getby_name_create(args.encrypt[0]).offset - ad_stop = symbol_pool.getby_name_create(args.encrypt[1]).offset + loc_start = loc_db.get_or_create_name_location(args.encrypt[0]) + loc_stop = loc_db.get_or_create_name_location(args.encrypt[1]) + ad_start = loc_db.get_location_offset(loc_start) + ad_stop = loc_db.get_location_offset(loc_stop) new_patches = dict(patches) for ad, val in patches.items(): |