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slowtrace2.py
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slowtrace2.py
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from __future__ import print_function
import colorsys
import idc
import re
from static_vars import static_vars
from queue import Queue
import traceback
import inspect
import subprocess
import textwrap
from static_vars import static_vars
from superglobals import *
from attrdict1 import SimpleAttrDict
# _import("progress")
# _import("from rle import RunLengthList")
from rle import RunLengthList
# # from sets import set
# from circularlist import CircularList
if not idc:
# import obfu
# from di import *
# from helpers import *
# from membrick import *
# from nasm import *
# from obfu_helpers import *
# from ranger import GenericRanger
# from sfcommon import *
# from sftools import fix_links_to_reloc, SmartAddChunkImpl, smartadder, MyMakeUnkn, MyMakeUnknown, MyMakeFunction, \
# analyze, dinjasm
# from slowtrace2_helpers import isSegmentInXrefsTo, opTypeAsName, traceBackwards, ForceFunction, forgeAheadWithCode, \
# cleanLine, ShowAppendFchunk, EndOfContig, ExndOfFlow, remake_func, fix_non_func, reloc_name, hex_to_colorsys_rgb, \
# colorsys_rgb_to_rgb, rgb_to_int
# from slowtrace_helpers import ZeroFunction, IsFunc_, IsFuncHead, IsSameFunc, GetChunkOwner, GetChunkEnd, InsnLen, \
# InsnRange, SetSpDiffEx, IsChunked, GetFuncSize, SetSpd, isAnyJmp, isCall
# from start import *
# from string_between import string_between_repl
from test import *
if six.PY2:
itertools.zip_longest = itertools.izip_longest
# from commenter import Commenter
# def refresh(filepath = __file__, _globals = None, _locals = None):
# print("Reading {}...".format(filepath))
# if _globals is None:
# _globals = globals()
# _globals.update({
# "__file__": filepath,
# "__name__": "__main__",
# })
# with open(filepath, 'rb') as file:
# exec(compile(file.read(), filepath, 'exec'), _globals, _locals)
def is_healed_col(c): return is_hldchk_col(c) & c >> 16 in (1, 0x14)
def is_checkd_col(c): return is_hldchk_col(c) & c >> 16 in (1, 0x28)
def is_hldchk_col(c): return is_hldchk_msk(c) & c >> 16 == 1
def is_hldchk_msk(c): return c & 0xc2ffff == 0x000128
get_byte = idc.get_wide_byte
# with open(os.path.dirname(__file__) + os.sep + 'refresh.py', 'r') as f: exec (
# compile(f.read().replace('__BASE__', os.path.basename(__file__).replace('.py', '')).replace('__FILE__', __file__),
# __file__, 'exec'))
from exectools import execfile, make_refresh
_refresh_slowtrace2 = make_refresh(os.path.abspath(__file__))
_refresh_slowtrace_helpers = make_refresh(os.path.abspath(__file__.replace('2', '_helpers')))
def refresh_slowtrace2():
_refresh_slowtrace_helpers()
_refresh_slowtrace2()
refresh_func_tails()
refresh_circular()
if False:
if not hasglobal('_called_fix_jmp_loc_ret'):
refresh_slowtrace_helpers()
FixJmpLocRet()
if debug: setglobal('_called_fix_jmp_loc_ret', True)
if False:
if not hasglobal('_called_fix_common_obfu_5'):
debug=0
l = [x for x in FunctionsPdata() if not IsNiceFunc(x)]
UnpatchUnused()
# for ea in FindInSegments('55 48 8d 2d ?? ?? ?? ?? 48 87 2c 24'):
# for ea in FindInSegments('55 48 8d 2d ?? ?? ?? ?? 48'):
for ea in FindInSegments('55 48 8d 2d'):
if IsCode_(ea):
EaseCode(ea, forceStart=1)
count = 10
while obfu._patch(ea) and count > 0:
count -= 1
if debug: setglobal('_called_fix_common_obfu_5', True)
check_for_update_1 = make_auto_refresh(os.path.abspath(__file__.replace('2', '_helpers')))
check_for_update_2 = make_auto_refresh(os.path.abspath(__file__))
check_for_update = lambda: (check_for_update_1(), check_for_update_2())
def auto_refresh(fn):
check = make_auto_refresh(fn)
def decorate(func):
check()
return func
return decorate
re_version = re.compile(r'gta(s[ct]).*?[^0-9](\d{3,4})[^0-9]')
if 'get_idb_path' not in globals():
_source = 'sc'
_build = '2372'
else:
for __source, __build in re.findall(re_version, get_idb_path()):
_source = __source
_build = __build
class SlowtraceSingleStep(Exception):
"""ChunkFailure.
"""
pass
sprint = print
def indent(n, s, skipEmpty=True, splitWith='\n', joinWith='\n', n2plus=None, skipFirst=False, stripLeft=False, width=70, indentString=' ', firstIndent=None):
if firstIndent is None:
firstIndent = n
if isString(s):
s = s.replace('\r', '').split(splitWith)
if width and width - n > 0:
assert isinstance(width, int)
r = []
if skipFirst:
r.append(s[0][0:width])
s[0] = s[0][width:]
if not s[0]:
s.pop(0)
r.extend([textwrap.wrap(line, width=width - n) for line in s])
s = _.flatten(r)
result = []
for i, line in enumerate(s):
if i == 1 and n2plus is not None:
n = n2plus
if isinstance(line, list):
print("[indent] line: {}".format(line))
continue
if stripLeft:
line = line.lstrip()
if skipFirst and not i:
result.append(line)
continue
if firstIndent is not None and not i:
result.append(indentString * firstIndent + line)
continue
if not skipEmpty or line.rstrip():
if isinstance(n, str):
result.append(n + line)
elif isinstance(n, int):
result.append(indentString * n + line)
if joinWith:
return joinWith.join(result)
return result
debug = getglobal('debug', 0)
emu_stacks_fail = getglobal('emu_stacks_fail', type, set)
def itypes(pattern):
keys = [k for k in ida_allins.__dict__ if re.match(r'(?:NN_)?' + pattern, k, re.I)]
return [getattr(ida_allins, k, -1) for k in keys]
def IsStackOperand(ea, ignoreLeaDisplacement=0):
if isinstance(ea, ida_ua.insn_t):
insn = ea
else:
insn = ida_ua.insn_t()
inslen = ida_ua.decode_insn(insn, get_ea_by_any(ea))
if inslen == 0:
return None
# lea rsp, [rbp+80h]
if ignoreLeaDisplacement:
if insn.itype == 0x5c: # lea
if insn.ops[0].type == ida_ua.o_reg and \
insn.ops[1].type == ida_ua.o_displ:
return False
# if insn.itype in itypes(r'(push|pop)'): return True
if insn.itype in [0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x2c2]:
# printi(hex(ea), 'insn.itype', get_itype_string(insn.itype))
return True
# xxx rsp, x
if insn.ops[0].type == ida_ua.o_reg and insn.ops[0].reg == 4:
if insn.ops[1].type == ida_ua.o_imm and insn.itype in [ida_allins.NN_test]:
Commenter(ea).add("Warning: stack-alignment obfu")
return False
return True
return False
def vimlike(ea=None, **kwargs):
"""
open de-chunked asm listing in vim
@param ea: linear address
"""
ea = GetFuncStart(eax(ea))
return slowtrace2(ea, removeFuncs=1, noObfu=1, silent=1, vim=-1, modify=0, ignoreStack=1, ignoreExtraStack=1, fatalStack=0, **kwargs)
def vim(ea=None, **kwargs):
"""
open de-chunked asm listing in vim
@param ea: linear address
"""
ea = GetFuncStart(eax(ea))
slowtrace2(ea, removeFuncs=1, noObfu=1, silent=1, vim=1, modify=0, ignoreStack=1, ignoreExtraStack=1, fatalStack=0, **kwargs)
def vimr(ea=BADADDR):
if ea == BADADDR:
ea = ScreenEA()
slowtrace2(ea, removeFuncs=1, noObfu=1, silent=1, vim=1, modify=0, reloc=1, force=1)
# idaapi.add_hotkey("Shift-Alt-S", smartadder)
def remake(ea):
return remake_func(ea)
# def MakeFunction(start, end=ida_idaapi.BADADDR):
# return ida_funcs.add_func(start, end)
def retrace_noexcept(address=0, live=False):
if address == 0:
address = ScreenEA()
if not IsFunc_(address) and not add_func(address) and not ForceFunction(address):
return
ea = address
while True:
slowtrace2(ea, color="#224", removeFuncs=1, silent=1, live=live)
ida_auto.auto_wait()
slowtrace2(address, color="#224", removeFuncs=1, silent=1, live=live)
ida_auto.auto_wait()
break
def reloc(address=0, live=False, force=False, color="#224"):
if address == 0:
address = ScreenEA()
if not ForceFunction(address):
printi("[warn] reloc: couldn't force function at {:x}".format(address))
return
ea = address
count = -1
while True:
try:
count += 1
if force and count > 0:
return
# idc.set_color(address, CIC_ITEM, ~idc.get_color(address, CIC_ITEM) & 0xffffff)
slowtrace2(ea, cursor=1, color=color, removeFuncs=1, silent=1, live=live, reloc=1, force=force, modify=count)
ida_auto.auto_wait()
break
except RelocationPatchedError as e:
pass
except RelocationStackError as e:
if count > 1:
return
except RelocationInvalidStackError as e:
if count > 1:
return
except KeyboardInterrupt as e:
printi("******* KEYTHINGY!! ********")
raise e
except:
if count > 1:
return
ida_auto.auto_wait()
def follow_call_thunks(ea = 0):
if ea == 0:
ea = idc.get_screen_ea()
count = 0
while idc.get_wide_byte(ea) == 0xe8:
ea = ea + 5 + MakeSigned(idc.get_wide_dword(ea + 1), 32)
count += 1
return ea, count
def stopped():
return os.path.exists('e:/git/ida/stop')
@static_vars(history=[])
@perf_timed()
def retrace_list(address, pre=None, post=None, recolor=0, func=0, color="#280c01", spd=0, tails=0, dual=0, jump=0, zero=0, unpatch=0, chunk=False, *args, **kwargs):
global later
# if address == later:
# for ea in [x for x in later if isJmp(x)]: later.remove(ea)
if address is None:
return
if stopped():
printi("*** STOP ***")
return
skipped = list()
retrace_list.history = []
TraceDepth._depth = 0
def fail(ea, post):
if post:
post = list(post)
for _post in post:
if callable(_post):
_post(ea)
def success(ea, post):
return fail(ea, post)
def color_thunks():
if ea not in skipped:
l = ''
if HasUserName(ea):
l = GetTrueName(ea)
skipped.append((ea, l))
retrace_list_thunk_colors = gradient("#280c01", "#643700", len(skipped))
for i, x in enumerate(skipped):
addr, label = x
Wait()
if func:
if addr == ea:
r = MyMakeFunction(addr)
else:
r = MyMakeFunction(addr, IdaGetInsnLen(addr))
if not r:
printi("{} MyMakeFunction(0x{:x}) returned {}".format(i, addr, r))
if IsFuncHead(addr):
idc.set_color(addr, CIC_FUNC, hex_to_rgb_dword(retrace_list_thunk_colors[i]))
else:
idc.set_color(addr, CIC_ITEM, hex_to_rgb_dword(retrace_list_thunk_colors[i]))
LabelAddressPlus(addr, label)
def skip(x):
if not IsValidEA(x):
return
l = ''
if HasUserName(x):
l = GetTrueName(x)
skipped.append((x, l))
if 0:
if not recolor:
ZeroFunction(x, 1)
# retrace_list_thunk_colors = gradient("#280c01", "#662222", 6)
if not recolor:
p = ProgressBar(len(address), len(address))
p.always_print = True
good = 0
bad = 0
for i, ea in enumerate([x for x in list(address) if IsValidEA(x)]):
if not recolor:
p.update(good, bad)
if len(retrace_list.history) <= i:
retrace_list.history.append(ea)
else:
retrace_list.history[i] = ea
rv = None
pre_tried = []
if pre is not None:
_unchanged_hash_count = 0
_new_hash = None
_last_hash = None
pre = list(pre)
for _pre in pre:
if callable(_pre):
pre_tried.append(_pre.__name__)
if _new_hash is not None:
if _new_hash == _last_hash:
_unchanged_hash_count += 1
else:
_unchanged_hash_count = 0
_last_hash = _new_hash
try:
printi("*****")
printi("** pre: [{}] {}-{} for {}".format(_pre.__name__, _unchanged_hash_count, hex(_last_hash), idc.get_name(ea, ida_name.GN_VISIBLE)))
_pre(ea)
printi("*****")
try:
rv = retrace(SkipJumps(ea), chunk=chunk, **kwargs)
_new_hash = GetFuncHash(ea)
if rv == 0:
printi("********** SOLVED {} **********".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("********** SOLVED {} **********".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("********** SOLVED {} **********".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("********** SOLVED {} **********".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("pre_tried: {}".format(", ".join(pre_tried)))
address.remove(ea)
break
except Exception as e:
printi("**** pre inner: Exception: {}: {}".format(e.__class__.__name__, str(e)))
except Exception as e:
printi("** pre: Exception: {}: {}".format(e.__class__.__name__, str(e)))
_new_hash = GetFuncHash(ea)
if pre is not None:
if rv != 0:
fail(ea, post)
printi("########## FAILED {} ##########".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("########## FAILED {} ##########".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("########## FAILED {} ##########".format(idc.get_name(ea), ida_name.GN_VISIBLE))
printi("########## FAILED {} ##########".format(idc.get_name(ea), ida_name.GN_VISIBLE))
if rv == 0:
success(ea, post)
continue
try:
skipped.clear()
except AttributeError:
# py2
del skipped[:]
# if not recolor:
# p.update_good(good)
# p.update_bad(bad)
# p.update(i)
try:
# sk = SkipJumps(ea, skipShort=0, skipCalls=0, iteratee=lambda x, *a: skip(x))
# ValidateEA(sk)
sk = ea
except AdvanceFailure as e:
printi("AdvanceFailure: {}".format(str(e)))
raise
# printi("[retrace_list] SkipJumps::AdvanceFailure {}".format('\n'.join(e.args)))
# if 'unpatch_func2' in globals():
# skipped.reverse()
# for x in skipped:
# unpatch_func2(x[0], unpatch=1)
# return
try:
# printi("num: {}".format(i))
# if idc.get_segm_name(ea) == '.text' and idc.get_func_attr(ea, idc.FUNCATTR_FLAGS) & FUNC_LIB == 0:
if jump:
idc.jumpto(sk)
if unpatch:
# UnpatchFunc(sk)
unpatch_func(sk)
if zero:
ZeroFunction(sk)
if not recolor:
MyMakeFunction(sk)
if not recolor:
rv = retrace(sk, chunk=chunk, **kwargs)
# msg = ("retrace returned {} for {:x}".format(hex(rv), sk))
# printi(msg)
# if chunk:
# yield msg
if rv != 0:
fail(ea, post)
if rv == 0:
success(ea, post)
if recolor or rv == 0:
# printi("*** GOOD *** {:x}".format(sk))
if ea in address:
address.remove(ea)
good += 1
if recolor and skipped:
skipped.reverse()
color_thunks()
if func:
MyMakeFunction(sk)
if tails:
func_tails(sk, externalTargets=externalTargets, extra_args=kwargs)
if spd:
_fix_spd_auto(sk)
continue
else:
pass
# if not recolor:
# if dual:
# for addr in Chunks(sk):
# fix_dualowned_chunk(addr[0])
# ZeroFunction(ea)
except RelocationDupeError:
continue
except RelocationStackError as e:
if ~str(e).find('incorrect SpDiff 0x0'):
for addr in Chunks(sk):
fix_dualowned_chunk(addr[0])
else:
fail(ea, post)
continue
# ZeroFunction(sk)
except AdvanceFailure as e:
printi("AdvanceFailure: {}".format(str(e)))
fail(ea, post)
raise
except AttributeError as e:
raise
# except Exception as e:
# printi("* pre outer: Exception: {}: {}".format(e.__class__.__name__, str(e)))
# fail(ea, post)
# pass
bad += 1
def iter_retrace_list(address, recolor=0, func=0, color="#280c01", spd=0, tails=0, dual=0, jump=0, zero=0, unpatch=0, chunk=False, *args, **kwargs):
if address is None:
return
skipped = list()
def skip(x):
l = ''
if HasUserName(x):
l = GetTrueName(x)
skipped.append((x, l))
if 0:
if not recolor:
ZeroFunction(x, 1)
# retrace_list_thunk_colors = gradient("#280c01", "#662222", 6)
good = 0
bad = 0
for i, ea in enumerate([x for x in list(address) if IsValidEA(x)]):
# for ea in address[0:]:
try:
skipped.clear()
except AttributeError:
# py2
del skipped[:]
try:
sk = SkipJumps(ea, skipShort=0, iteratee=lambda x, *a: skip(x))
ValidateEA(sk)
except AdvanceFailure as e:
print("[retrace_list] SkipJumps::AdvanceFailure {}".format('\n'.join(e.args)))
if 'unpatch_func2' in globals():
skipped.reverse()
for x in skipped:
unpatch_func2(x[0], unpatch=1)
try:
# printi("num: {}".format(i))
# if idc.get_segm_name(ea) == '.text' and idc.get_func_attr(ea, idc.FUNCATTR_FLAGS) & FUNC_LIB == 0:
if jump:
idc.jumpto(sk)
if unpatch:
UnpatchFunc(sk)
if zero:
ZeroFunction(sk)
MyMakeFunction(sk)
output = []
rv = retrace(sk, output=output, **kwargs)
msg = ("retrace returned {} for {:x}".format(hex(rv), sk))
yield [msg] + output
except RelocationStackError as e:
if ~str(e).find('incorrect SpDiff 0x0'):
for addr in Chunks(sk):
fix_dualowned_chunk(addr[0])
else:
continue
# ZeroFunction(sk)
except AdvanceFailure as e:
printi("AdvanceFailure: {}".format(str(e)))
pass
bad += 1
def RecreateFunctionThunks(ea=None):
"""
RecreateFunctionThunks
@param ea: linear address
"""
if isinstance(ea, list):
return [RecreateFunctionThunks(x) for x in ea]
def helper(x, *a):
if IsFunc_(x):
unpatch_func2(x, unpatch=1)
idc.del_func(x)
idc.auto_wait()
UnpatchUntilChunk(x)
# ForceFunction(x)
ea = eax(ea)
jumps = SkipJumps(ea, returnJumps=1)
target = SkipJumps(ea)
jumps = _.uniq(jumps)
print("[RecreateFunctionThunks] jumps: {} target: {:x}".format(hex(jumps), target))
for addr in jumps:
helper(addr)
for addr in jumps:
retrace(addr, thunk=1)
if isJmp(addr):
jumps.append(GetTarget(addr))
def retrace_add_chunks(ea=None, **kwargs):
return retrace_list(ea, removeFuncs=1, noObfu=1, modify=0, adjustStack=1, appendChunks=1, once=1, **kwargs)
def retrace_skip_jumps(ea=None, **kwargs):
return retrace_list(ea, removeFuncs=1, noObfu=1, modify=0, adjustStack=1, applySkipJumps=1, once=1, **kwargs)
def retrace_unpatch(address, **kwargs):
clear();
# refresh_slowtrace2();
retrace_list(address, applySkipJumps=0, forceRemoveChunks=0, once=1, pre=[GetFuncName, unpatch_func2, unpatch_func, ida_retrace, ZeroFunction, unpatch_func2, unpatch_func, ZeroFunction, unpatch_func2, unpatch_func, ZeroFunction], **kwargs)
def retrace(*args, **kwargs):
rv = _retrace(*args, **kwargs)
if rv == 0:
ea = eax(_.first(args, default=None))
done2.add(ea)
return rv
def _retrace(address=None, color="#280c01", no_hash=False, _ida_retrace=False, no_func_tails=False, retails=False, redux=False, unpatchFirst=False, unpatch=False, once=False, recreate=False, chunk=False, noFixChunks=False, **kwargs):
if isinstance(address, list):
return [retrace(x, **kwargs) for x in address]
externalTargets = defaultglobal('externalTargets', set())
global warn
# dprint("[retrace] args, kwargs")
if idc.batch(0):
printi("*** Batch Was enabled ***")
if debug: printi("retrace called for {}".format(ahex(address)))
# TODO: check calling stack, and reset depth if we were called from the command "line"
address = eax(address)
if IsValidEA(address):
tried2.add(address)
start_address = address
with TraceDepth() as _depth:
# printi("[retrace] args:{}, kwargs:{}".format(args, kwargs))
funcea = GetFuncStart(address)
# dprint("[retrace] funcea")
if debug: print("[retrace] funcea: {:#x}".format(funcea))
if funcea != idc.BADADDR:
address = funcea
# dprint("[retrace] address")
if debug: print("[retrace] address: {:#x}".format(address))
applySkipJumps = kwargs.get('applySkipJumps', False)
skipJumps = kwargs.get('skipJumps', True)
if skipJumps:
address = SkipJumps(address, skipNops=1, skipObfu=1, skipCalls=False, includeStart=True, includeEnd=False, apply=applySkipJumps, iteratee=lambda ea, i, *a: MakeThunk(ea))
# elif ea + IdaGetInsnLen(ea) < GetFuncEnd(ea):
# mnem = IdaGetMnem(ea)
# if mnem and mnem.startswith('jmp'):
# target = GetTarget(ea)
# if not IsSameChunk(target, ea):
# # printi(["FixThunks", hex(ea), GetFuncName(ea)])
# SetFuncEnd(ea, ea + MyGetInstructionLength(ea))
start_address = address
# depth = kwargs.get('depth', 0)
#
# what has this done for us lately
# if not 'last_retrace' in globals() or isinstance(globals()['last_retrace'], int):
# globals()['last_retrace'] = [hex(address)]
# else:
# globals()['last_retrace'].insert(0, indent(_depth, ' ', hex(address)))
if not IsFuncHead(address) and not ForceFunction(address) and not IsFuncHead(address):
printi("[retrace] return [warn] couldn't force function at {:x}".format(address))
return -1
if _ida_retrace:
ida_retrace(address, calls=0, **kwargs)
# if IsNiceFunc(address) and not func_tails(address, quiet=1, returnErrorObjects=1, **(_.pick(kwargs, 'ignoreInt'))):
# # insn_match(ea, idaapi.NN_xchg, (idc.o_reg, 5), (idc.o_phrase, 4), comment='xchg [rsp], rbp')
# return 0
if recreate:
RecreateFunction(funcea)
rv = None
funcea_ori = funcea
if retails or redux:
funcea = SkipJumps(funcea, skipCalls=False)
if retails:
output = None
ft = func_tails(funcea, quiet=1, output=output, externalTargets=externalTargets, extra_args=kwargs, **(_.pick(kwargs, 'ignoreInt')))
if ft:
printi('\n'.join(ft))
RecreateFunction(funcea)
ft = func_tails(funcea, quiet=1, output=output, externalTargets=externalTargets, extra_args=kwargs, **(_.pick(kwargs, 'ignoreInt')))
if ft:
printi('\n'.join(ft))
if not ft:
if not redux:
rv = _fix_spd_auto(funcea)
return rv
if redux:
try:
if (retails and rv == 0) or retrace(funcea, vimlike=1, once=1, **kwargs) == 0:
printi("{:x} vimlike retrace: {}".format(funcea, 0))
_fix_spd_auto(funcea)
if IsFuncSpdBalanced:
printi("{:x} SpdBalanced: {}".format(funcea, 'ok'))
ft = func_tails(funcea, quiet=1, externalTargets=externalTargets, extra_args=kwargs, **(_.pick(kwargs, 'ignoreInt')))
if ft:
printi("{:x} func_tails: {}".format(funcea, "\n".join(ft)))
else:
printi("{:x} func_tails: {}".format(funcea, 'clean'))
return 0
except AdvanceFailure as e:
printi("{:x} AdvanceFailure: {}".format(funcea, e))
locs = SkipJumps(start_address, returnJumps=1, skipCalls=False)
locs.append(SkipJumps(start_address))
for ea in locs:
idc.del_func(ea)
UnpatchUn()
SkipJumps(start_address, skipCalls=False, iteratee=lambda x, *a: idc.add_func(x, EaseCode(x)))
if unpatchFirst:
unpatch_func2(funcea, unpatch=1)
ZeroFunction(funcea)
if idc.get_func_flags(funcea) & idc.FUNC_FAR:
# printi("[info] removed FUNC_FAR from {:x}".format(funcea))
SetFuncFlags(funcea, lambda f: f & ~(idc.FUNC_FAR | idc.FUNC_USERFAR))
ea = address
count = -1
rv = 0
count_limit = 3
last_hash = None
_hash = None
patchResults = []
last_error = None
extra_args = dict()
extra_args.update(kwargs)
while count < count_limit:
address = SkipJumps(address, skipCalls=False, includeStart=True, includeEnd=False, apply=applySkipJumps, iteratee=lambda ea, *a: MakeThunk(ea))
num_chunks = GetNumChunks(address)
if num_chunks > 100:
kwargs['noResume'] = True
if patchResults: # patches or rv != last_rv:
if count_limit < 50:
if (count_limit - count) < 3:
count_limit = count + 3
patchResults = []
count += 1
try:
if os.path.exists('e:/git/ida/stop'):
printi("*** STOP ***")
return
last_rv = rv
last_hash = _hash
if not noFixChunks:
if debug: print("calling FixChunks #1 at {:#x}".format(ea))
FixChunks(ea, leave=ea)
warn = 0
traceOutput = []
patches = 0
# slvars.rsp_diff was none
if not no_hash:
_old_hash = GetFuncHash(ea)
patchResults = []
spdList = []
if debug: setglobal('spdList', spdList)
try:
# print("count #{}/{}".format(count, count_limit))
spdList = []
if debug: setglobal('spdList', spdList)
rv = slowtrace2(ea, color=color, returnPatches=patchResults, returnOutput=traceOutput, spdList=spdList, **kwargs)
except AdvanceReverse as e:
raise
spdList = []
if debug: setglobal('spdList', spdList)
rv = slowtrace2(e.args[0], color=color, returnPatches=patchResults, returnOutput=traceOutput, spdList=spdList, **kwargs)
_new_hash = GetFuncHash(ea)
if not no_hash and _old_hash == _new_hash:
# printi("hash stayed at {:x}".format(_new_hash))
if not patchResults:
# printi("no patches")
if rv == 0:
if spdList:
# spd = _fix_spd_auto(SkipJumps(ea)) != 0
addresses = set()
last_addresses = set()
for r in range(1000):
if r > 9 and r % 10 == 0:
if len(last_addresses) and len(last_addresses.union(addresses)) == len(last_addresses.intersection(addresses)):
printi("_fix_spd might be in an endless loop")
break
last_addresses = addresses.copy()
printi("_fix_spd(spdList) attempt {}".format(r))
if not _fix_spd(spdList, addresses):
# printi("_fix_spd(spdList) failed")
break
if not HasUserName(ea):
LabelAddressPlus(ea, "_{}".format(ean(ea)))
else:
if not once:
if kwargs.get('noSti', None):
printi("trying without noSti")
spdList = []
if debug: setglobal('spdList', spdList)
rv = slowtrace2(ea, color=color, returnPatches=patchResults, returnOutput=traceOutput, spdList=spdList, **(_.omit(extra_args, 'noSti')))
if rv != 0 and kwargs.get('noObfu', None):
printi("trying without noSti/noObfu")
spdList = []
if debug: setglobal('spdList', spdList)
rv = slowtrace2(ea, color=color, returnPatches=patchResults, returnOutput=traceOutput, spdList=spdList, **(_.omit(extra_args, 'noSti', 'noObfu')))
# return rv
if once:
if rv != 0 and unpatch:
UnpatchFunc(ea)
return retrace(ea, once=once, **kwargs)
if rv == 0:
if spdList:
# spd = _fix_spd_auto(SkipJumps(ea)) != 0
addresses = set()
last_addresses = set()
for r in range(1000):
if r > 9 and r % 10 == 0:
if len(last_addresses) and len(last_addresses.union(addresses)) == len(last_addresses.intersection(addresses)):
printi("_fix_spd might be in an endless loop")
break
last_addresses = addresses.copy()
printi("_fix_spd(spdList) attempt {}".format(r))
if not _fix_spd(spdList, addresses):
break
return rv
for r in patchResults:
# pp(r)
patches += 1
for r in traceOutput:
if re.match(r""".*(slvars.rsp_diff|couldn't create instruction|\[warn]|unexpected stack change)""", r):
# pp(r)
patches += 1
if rv != 0: printi("slowtrace returned 0x{:x}".format(rv))
ft_patches = 0
if not no_func_tails:
ft = func_tails(funcea, returnErrorObjects=1, quiet=1, externalTargets=externalTargets, **(_.pick(extra_args, 'ignoreInt')))
if ft: printi("func_tails returned {}".format(len(ft)))
if ft:
# ft = func_tails(ft)
printi("fix_func_tails({}, {})".format(pph(_.pluck(ft, '__str__')), _.pick(extra_args, 'ignoreInt')))
fft_ret = fix_func_tails(ft, extra_args)
if isinstance(fft_ret, int):
ft_patches += fft_ret
printi("fix_func_tails returned: {}".format(fft_ret))
if fft_ret == "int":
printi("[retrace] return fix_func_tails return 'int'")
return rv
if (no_hash or _old_hash == _new_hash) and rv != 0:
if rv != 0 and unpatch:
UnpatchFunc(ea)
printi("[retrace] return finishing as hash stayed at {:x}".format(_new_hash))
return rv
if ft_patches:
printi("***** RERUNNING DUE TO FIX_FUNC_TAILS *****")
if patches:
printi("***** RERUNNING DUE TO PATCHES|WARNING MESSAGES *****")
if ft_patches or patches:
count += 1
continue
if rv == 0 and (no_hash or _old_hash == _new_hash):
# if last_rv == 0:
# if warn:
# if count < count_limit - 1:
# printi("***** RERUNNING DUE TO WARNING MESSAGES *****")
# count = count_limit - 1
# continue
# # ft = func_tails(funcea, returnErrorObjects=1, quiet=1, externalTargets=externalTargets)
# if not no_func_tails and ft:
# if not IsFunc_(funcea):
# printi("0x{:x} is no longer a function, switching to 0x{:x}".format(funcea, address))
# funcea = address
# ft = func_tails(funcea, returnErrorObjects=0, quiet=1, externalTargets=externalTargets, extra_args=extra_args)
# if not no_func_tails and ft:
# printi('\n'.join([str(x) for x in ft]))
# printi('returning -1')
# return -1
if spdList:
# spd = _fix_spd_auto(SkipJumps(ea)) != 0
addresses = set()
last_addresses = set()
for r in range(1000):
if r > 9 and r % 10 == 0:
if len(last_addresses) and len(last_addresses.union(addresses)) == len(last_addresses.intersection(addresses)):
printi("_fix_spd might be in an endless loop")
break
last_addresses = addresses.copy()
printi("_fix_spd(spdList) attempt {}".format(r))
if not _fix_spd(spdList, addresses):
break
printi("[retrace] return hash eq")
return rv
except RelocationUnpatchRequest as e:
printi("[retrace] return slowtrace threw {} {}".format(e.__class__.__name__, str(e)))
# UnpatchFunc(ea)
return -1
pass
# except AdvanceFailure as e:
# printi("retrace caught {} {}".format(e.__class__.__name__, str(e)))
# dontraise = True
# sb = string_between('advance past ', '', str(e)) or \
# string_between('create instruction at ', '', str(e))
# if sb:
# sbi = int(sb, 16)
# for x in range(sbi, sbi+8):
# if idc.get_wide_dword(x) == 0:
# dontraise = True
# printi("would have reverted dword at 0x{:x}".format(x))
# # UnPatch(sbi, x+4)
#
#
# if '0xffffffffffffffff' in str(e):
# dontraise=1
# if not dontraise:
# printi("not dontraise")
# raise
#
# tb = traceback.format_exc()
# printi("traceback: {}".format(tb))
# if type(last_error) == type(e):
# printi("returning -2")
# return -2
# unpatch_func2(ea, unpatch=1)
# UnpatchUn()
# last_error = None
# else:
# last_error = e
# # self.exc_info = sys.exc_info()
# pass
except RelocationStackError as e:
printi("[retrace] slowtrace threw {}: {}".format(e.__class__.__name__, str(e)))
if once:
return -1
# unconditional jmp to another sub 0x143abfbe2, retn rsp of 88
# dprint("[debug] type(e.args)")
# m = re.search(r"unconditional jmp to another sub ([^,]+), retn rsp of ([-0-9a-f]+)", e.args[0])
m = re.search(r"\((0x[0-9a-fA-F]+)\) which has no stack", str(e))
if m:
if count == 0:
printi("checking offending function")
retrace(eax(m.group(1)), once=1, forceRemoveChunks=1, **kwargs)
# if re.search(r"isRealFunc: jmpRef: more than 1 ref", str(e)):
# if count == 0:
# TruncateThunks()
# tb = traceback.format_exc()
# printi(tb)
pass
except RelocationInvalidStackError as e:
printi("[retrace] return slowtrace threw {}: {}".format(e.__class__.__name__, str(e)))
return -1
except RelocationTerminalError as e:
printi("[retrace] slowtrace threw {}: {}".format(e.__class__.__name__, str(e)))
tb = traceback.format_exc()
printi("traceback: {}".format(tb))
if debug: print("calling FixChunks #2")
FixChunks(ea, leave=ea)
# ZeroFunction(ea)
pass
except RelocationPatchedError as e:
printi("[retrace] slowtrace threw {}: {}".format(e.__class__.__name__, str(e)))
tb = traceback.format_exc()
printi("traceback: {}".format(tb))
count_limit = min(10, count_limit + 1)