create fake string segment to allow ida to show the actual strings, also add custom xref between methodinfo and method when both exist

This commit is contained in:
LukeFZ
2024-02-16 11:43:15 +01:00
parent 42d97813df
commit 0f7cd027c3
4 changed files with 70 additions and 11 deletions

View File

@@ -26,9 +26,11 @@ except ImportError:
cached_genflags = 0
skip_make_function = False
func_dirtree = None
is_32_bit = False
fake_segments_base = None
def script_prologue(status):
global cached_genflags, skip_make_function, func_dirtree
global cached_genflags, skip_make_function, func_dirtree, is_32_bit, fake_segments_base
# Disable autoanalysis
cached_genflags = ida_ida.inf_get_genflags()
ida_ida.inf_set_genflags(cached_genflags & ~ida_ida.INFFL_AUTO)
@@ -63,8 +65,9 @@ def script_prologue(status):
if FOLDERS_AVAILABLE:
func_dirtree = ida_dirtree.get_std_dirtree(ida_dirtree.DIRTREE_FUNCS)
is_32_bit = ida_ida.inf_is_32bit_exactly()
def script_epilogue(status):
# Reenable auto-analysis
global cached_genflags
@@ -159,6 +162,38 @@ def add_function_to_group(addr, group):
name = ida_funcs.get_func_name(addr)
func_dirtree.rename(name, f"{group}/{name}")
def add_xref(addr, to):
ida_xref.add_dref(addr, to, ida_xref.XREF_USER | ida_xref.dr_I)
def write_string(addr, string):
encoded_string = string.encode() + b'\x00'
string_length = len(encoded_string)
ida_bytes.put_bytes(addr, encoded_string)
ida_bytes.create_strlit(addr, string_length, ida_nalt.STRTYPE_C)
def write_address(addr, value):
global is_32_bit
if is_32_bit:
ida_bytes.put_dword(addr, value)
else:
ida_bytes.put_qword(addr, value)
def create_fake_segment(name, size):
global is_32_bit
start = ida_ida.inf_get_max_ea()
end = start + size
ida_segment.add_segm(0, start, end, name, "DATA")
segment = ida_segment.get_segm_by_name(name)
segment.bitness = 1 if is_32_bit else 2
segment.perm = ida_segment.SEGPERM_READ
segment.update()
return start
# Status handler
class StatusHandler(BaseStatusHandler):
def __init__(self):