diff options
Diffstat (limited to 'example/asm')
| -rw-r--r-- | example/asm/shellcode.py | 21 | ||||
| -rw-r--r-- | example/asm/simple.py | 4 |
2 files changed, 10 insertions, 15 deletions
diff --git a/example/asm/shellcode.py b/example/asm/shellcode.py index 89914b6d..3f3aa877 100644 --- a/example/asm/shellcode.py +++ b/example/asm/shellcode.py @@ -9,6 +9,7 @@ from miasm2.core.cpu import parse_ast from miasm2.core import parse_asm, asmbloc import miasm2.expression.expression as m2_expr from miasm2.analysis.machine import Machine +from miasm2.core.interval import interval parser = ArgumentParser("Multi-arch (32 bits) assembler") parser.add_argument('architecture', help="architecture: " + \ @@ -34,6 +35,7 @@ except ValueError: size = 32 reg_and_id = dict(machine.mn.regs.all_regs_ids_byname) base_expr = machine.base_expr +dst_interval = None # Output format if args.PE: @@ -50,7 +52,8 @@ if args.PE: addr_main = pe.rva2virt(s_text.addr) virt = pe.virt output = pe - + dst_interval = interval([(pe.rva2virt(s_text.addr), + pe.rva2virt(s_text.addr + s_text.size))]) else: st = StrPatchwork() @@ -58,15 +61,6 @@ else: virt = st output = st -# Fix the AST parser -def my_ast_int2expr(a): - return m2_expr.ExprInt_fromsize(size, a) - -def my_ast_id2expr(t): - return reg_and_id.get(t, m2_expr.ExprId(t, size=size)) - -my_var_parser = parse_ast(my_ast_id2expr, my_ast_int2expr) -base_expr.setParseAction(my_var_parser) # Get and parse the source code with open(args.source) as fstream: @@ -88,9 +82,10 @@ graph = asmbloc.bloc2graph(blocs[0]) open("graph.txt", "w").write(graph) # Apply patches -resolved_b, patches = asmbloc.asm_resolve_final(machine.mn, - blocs[0], - symbol_pool) +patches = asmbloc.asm_resolve_final(machine.mn, + blocs[0], + symbol_pool, + dst_interval) if args.encrypt: # Encrypt code ad_start = symbol_pool.getby_name_create(args.encrypt[0]).offset diff --git a/example/asm/simple.py b/example/asm/simple.py index 8664672d..1929961f 100644 --- a/example/asm/simple.py +++ b/example/asm/simple.py @@ -27,10 +27,10 @@ loop: symbol_pool.set_offset(symbol_pool.getby_name("main"), 0x0) # Spread information and resolve instructions offset -resolved_b, patches = asmbloc.asm_resolve_final(mn_x86, blocs[0], symbol_pool) +patches = asmbloc.asm_resolve_final(mn_x86, blocs[0], symbol_pool) # Show resolved blocs -for bloc in resolved_b: +for bloc in blocs[0]: print bloc # Print offset -> bytes |