Python idaapi.FUNC_THUNK Examples
The following are 8
code examples of idaapi.FUNC_THUNK().
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Example #1
Source File: IDATypeWrapers.py From DIE with MIT License | 6 votes |
def __init__(self, ea, iatEA=None, library_name=None): """ Ctor """ self.logger = logging.getLogger(__name__) self.ea = ea # Effective Address of the function self.iatEA = iatEA # If imported function, the address in the IAT try: function = sark.Function(ea) except sark.exceptions.SarkNoFunction: raise DIE.Lib.DIE_Exceptions.DieNoFunction("No Function at 0x%08X" % (ea, )) self.funcName = get_function_name(function.ea) self.func_start = function.startEA self.func_end = function.endEA self.proto_ea = self.getFuncProtoAdr() # Address of function prototype self.typeInfo = idaapi.tinfo_t() # Function type info self.funcInfo = idaapi.func_type_data_t() # Function info self.argNum = 0 # Number of input arguments self.args = [] # Function argument list self.retArg = None # Return argument self.library_name = library_name # If library function, name of containing library self.isLibFunc = False if self.iatEA: self.isLibFunc = True # Is this a library function elif sark.Function(ea).flags & (idaapi.FUNC_LIB | idaapi.FUNC_THUNK): self.isLibFunc = True try: self.getArguments() except Exception as ex: self.logger.error("Failed to get function arguments for function %s: %s", self.funcName, ex)
Example #2
Source File: Util.py From VMAttack with MIT License | 5 votes |
def is_import_or_lib_func(ea): """ Is ea part of an imported function or a known library? @param ea: any ea within the function scope @return: True if function is either imported or a known library function. """ return Functions(ea).flags & (idaapi.FUNC_LIB | idaapi.FUNC_THUNK)
Example #3
Source File: util.py From mcsema with Apache License 2.0 | 5 votes |
def is_thunk(ea): """Returns true if some address is a known to IDA to be a thunk.""" flags = idc.GetFunctionFlags(ea) return 0 < flags and 0 != (flags & idaapi.FUNC_THUNK)
Example #4
Source File: IDAConnector.py From DIE with MIT License | 5 votes |
def is_import_or_lib_func(ea): """ Is ea part of an imported function or a known library? @param ea: any ea within the function scope @return: True if function is either imported or a known library function. """ return sark.Function(ea).flags & (idaapi.FUNC_LIB | idaapi.FUNC_THUNK)
Example #5
Source File: function.py From Sark with MIT License | 5 votes |
def is_thunk(self): """ Thunk (jump) function. """ return bool(self.flags & idaapi.FUNC_THUNK) # 0x00000080
Example #6
Source File: ida.py From bap-ida-python with MIT License | 5 votes |
def output_symbols(out): """Dump symbols.""" try: from idaapi import get_func_name2 as get_func_name # Since get_func_name is deprecated (at least from IDA 6.9) except ImportError: from idaapi import get_func_name # Older versions of IDA don't have get_func_name2 # so we just use the older name get_func_name def func_name_propagate_thunk(ea): current_name = get_func_name(ea) if current_name[0].isalpha(): return current_name func = idaapi.get_func(ea) temp_ptr = idaapi.ea_pointer() ea_new = idaapi.BADADDR if func.flags & idaapi.FUNC_THUNK == idaapi.FUNC_THUNK: ea_new = idaapi.calc_thunk_func_target(func, temp_ptr.cast()) if ea_new != idaapi.BADADDR: ea = ea_new propagated_name = get_func_name(ea) or '' # Ensure it is not `None` if len(current_name) > len(propagated_name) > 0: return propagated_name else: return current_name # Fallback to non-propagated name for weird times that IDA gives # a 0 length name, or finds a longer import name for ea in idautils.Segments(): fs = idautils.Functions(idc.SegStart(ea), idc.SegEnd(ea)) for f in fs: out.write('("%s" 0x%x 0x%x)\n' % ( func_name_propagate_thunk(f), idc.GetFunctionAttr(f, idc.FUNCATTR_START), idc.GetFunctionAttr(f, idc.FUNCATTR_END)))
Example #7
Source File: function.py From ida-minsc with BSD 3-Clause "New" or "Revised" License | 5 votes |
def is_thunk(cls, func): '''Return true if the function `func` is considered a code thunk.''' fn = by(func) return fn.flags & idaapi.FUNC_THUNK == idaapi.FUNC_THUNK
Example #8
Source File: ida_prefix.py From prefix with MIT License | 4 votes |
def graph_down(ea, path=set()): """ Recursively collect all function calls. Copied with minor modifications from http://hooked-on-mnemonics.blogspot.com/2012/07/renaming-subroutine-blocks-and.html """ path.add(ea) # # extract all the call instructions from the current function # call_instructions = [] instruction_info = idaapi.insn_t() for address in idautils.FuncItems(ea): # decode the instruction if not idaapi.decode_insn(instruction_info, address): continue # check if this instruction is a call if not idaapi.is_call_insn(instruction_info): continue # save this address as a call instruction call_instructions.append(address) # # iterate through all the instructions in the target function (ea) and # inspect all the call instructions # for x in call_instructions: # TODO for r in idautils.XrefsFrom(x, idaapi.XREF_FAR): #print(0x%08X" % h, "--calls-->", "0x%08X" % r.to) if not r.iscode: continue # get the function pointed at by this call func = idaapi.get_func(r.to) if not func: continue # ignore calls to imports / library calls / thunks if (func.flags & (idaapi.FUNC_THUNK | idaapi.FUNC_LIB)) != 0: continue # # if we have not traversed to the destination function that this # call references, recurse down to it to continue our traversal # if r.to not in path: graph_down(r.to, path) return path