Exemplo n.º 1
0
 def get_segment(self, segment):
     selector = self.get_reg(segment)
     output = pykd.dbgCommand("dg %x" % (selector))
     line = output.splitlines()[-1]
     tokens = line.split()
     segment = {}
     segment["selector"] = pykd.expr(tokens[0])
     segment["base"] = pykd.expr(tokens[1])
     segment["limit"] = pykd.expr(tokens[2])
     segment["flags"] = pykd.expr(tokens[11])
     return segment
Exemplo n.º 2
0
def main(argv):

    if len(argv) < 3:

        return usage(argv)

    mode, addr = argv[1], pykd.expr(argv[2])
    arch = DEF_ARCH
    path = None

    if not mode in translate.keys():

        return usage(argv)

    for i in range(3, len(argv)):

        val = argv[i]

        if (val == '-a' or val == '--arch') and len(argv) >= i + 1:

            arch = argv[i + 1]

        elif (val == '-f' or val == '--to-file') and len(argv) >= i + 1:

            path = argv[i + 1]

    # initialize OpenREIL stuff
    reader = kd.Reader(arch)
    tr = CodeStorageTranslator(reader)

    # translate function and enumerate it's basic blocks
    insn_list = translate[mode](tr, addr)

    if path is not None:

        # save serialized function IR
        tr.storage.to_file(path)

        print '%d instructions saved to %s' % (len(insn_list), path)

    else:

        # print translated instructions
        print insn_list
Exemplo n.º 3
0
def main(argv):

    if len(argv) < 3:

        return usage(argv)

    mode, addr = argv[1], pykd.expr(argv[2])        
    arch = DEF_ARCH
    path = None

    if not mode in translate.keys():

        return usage(argv)    

    for i in range(3, len(argv)):

        val = argv[i]

        if (val == '-a' or val == '--arch') and len(argv) >= i + 1:

            arch = argv[i + 1]

        elif (val == '-f' or val == '--to-file') and len(argv) >= i + 1:    

            path = argv[i + 1]

    # initialize OpenREIL stuff   
    reader = kd.Reader(arch)
    tr = CodeStorageTranslator(reader)

    # translate function and enumerate it's basic blocks
    insn_list = translate[mode](tr, addr)
    
    if path is not None: 

        # save serialized function IR
        tr.storage.to_file(path)

        print '%d instructions saved to %s' % (len(insn_list), path)

    else:

        # print translated instructions
        print insn_list
Exemplo n.º 4
0
 def enter_call_back(self):
     self.out = 'RtlFreeHeap('
     if arch_bits == 32:
         esp = pykd.reg(stack_pointer)
         self.out += hex(pykd.ptrPtr(esp + 4)) + " , "
         self.out += hex(pykd.ptrMWord(esp + 0x8)) + " , "
         self.out += hex(pykd.ptrPtr(esp + 0xC)) + ") = "
     else:
         self.out += hex(pykd.reg("rcx")) + " , "
         self.out += hex(pykd.reg("rdx")) + " , "
         self.out += hex(pykd.reg("r8")) + ") = "
         if self.bp_end == None:
             disas = pykd.dbgCommand("uf ntdll!RtlFreeHeap").split('\n')
             for i in disas:
                 if 'ret' in i:
                     self.ret_addr = i.split()[0]
                     break
             self.bp_end = pykd.setBp(pykd.expr(self.ret_addr),
                                      self.return_call_back)
         return False
Exemplo n.º 5
0
    dprintln( "!py avl [addr] (type)")


if __name__ == "__main__":

    if len( sys.argv ) < 2:
        printUsage()
        quit(0)
   
    showAll = False
    args = sys.argv
    if '-a' in args:
        args.remove('-a')
        showAll = True
        
    items = getAVLTable( addr64( expr( sys.argv[1] ) ) )       
        
    if showAll:
        if len( sys.argv ) == 2:
            dprintln( "\n".join( [ "<link cmd=\"db 0x%x\">db 0x%x</link>" % (  entry, entry ) for entry in items ] ), True )
        else:
            ti = typeInfo(sys.argv[2])
            dprintln( "\n".join( [ "<link cmd=\"dt %s 0x%x\">dt %s</link>\n%s" % ( sys.argv[2], entry, sys.argv[2], typedVar(ti, entry) ) for entry in items ] ), True )  
    
    else:
        if len( sys.argv ) == 2:
            dprintln( "\n".join( [ "<link cmd=\"db 0x%x\">db 0x%x</link>" % (  entry, entry ) for entry in items ] ), True )
        else:
            dprintln( "\n".join( [ "<link cmd=\"dt %s 0x%x\">dt %s</link>" % ( sys.argv[2], entry, sys.argv[2] ) for entry in items ] ), True )
 
Exemplo n.º 6
0
 def expr(self, expr):
     return pykd.expr(expr)
Exemplo n.º 7
0
def get_expr(val):
    """ Convert a windbg expression to real value """
    try:
        return pykd.expr(val)
    except:
        return None
Exemplo n.º 8
0
 def testExpr(self):
     self.assertEqual(8, pykd.expr("poi(targetapp!g_ulonglongValue)"))