Beispiel #1
0
def addSegmentAtLast(segs, segSize):
    si = SegmInfo()
    si.m_startAddr = segs[-1].m_endAddr
    si.m_endAddr = si.m_startAddr + segSize
    si.m_name = ".MySeg"
    si.m_className = "CODE"

    # https://www.hex-rays.com/products/ida/support/idapython_docs/
    # startea - linear address of the start of the segment
    # endea - linear address of the end of the segment this address will not belong to the segment 'endea' should be higher than 'startea'
    # base - base paragraph or selector of the segment. a paragraph is 16byte memory chunk. If a selector value is specified, the selector should be already defined.
    # use32 - 0: 16bit segment, 1: 32bit segment, 2: 64bit segment
    # align - segment alignment. see below for alignment values
    # comb - segment combination. see below for combination values.
    ret = idc.AddSeg(si.m_startAddr, si.m_endAddr, 0, 2, 0, 0)
    if ret == False:
        print "Create segment failed"
        return None

    # Reset this segment
    byte = 0x90
    for ea in range(si.m_startAddr, si.m_endAddr, 1):
        PatchByte(ea, byte)
        # ret = MakeCode(ea)
        # if ret == 0:
        #     print "Make code failed at this section"
        #     return 0

    # Set segment's attribute
    # https://reverseengineering.stackexchange.com/questions/2394/how-can-i-change-the-read-write-execute-flags-on-a-segment-in-ida
    # idc.SetSegmentAttr(si.m_startAddr, idc.SEGATTR_PERM, idc.SEGPERM_EXEC | idc.SEGPERM_WRITE | idc.SEGPERM_READ)
    ret = idc.SetSegmentAttr(si.m_startAddr, idc.SEGATTR_PERM, 1 | 2 | 4)
    if ret == 0:
        print "Set segment attribute failed"
    ret = idc.SetSegClass(si.m_startAddr, si.m_className)
    if ret == 0:
        print "Set segment class failed"
    ret = idc.SetSegmentType(si.m_startAddr, idc.SEG_CODE)
    if ret == 0:
        print "Set segment type to code failed"

    return si
Beispiel #2
0
def load_file(li, neflags, format):
    if format != ROM_FORMAT_NAME:
        Warning("Unknown format name: '%s'" % format)
        return 0
    jump = dwordAt(li, 0)
    # Test ARM branch
    if jump & 0xFF000000 != 0xEA000000:
        Warning("Unknown format name: '%s'" % format)
        return 0
    idaapi.set_processor_type("arm", SETPROC_ALL | SETPROC_FATAL)
    li.seek(0, idaapi.SEEK_END)
    size = li.tell()

    # Adding Header Section
    idc.AddSeg(ROM_START, ROM_START + SIZE_HEADER, 0, 1, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ROM_START, "HEADER")
    idc.SetSegmentType(ROM_START, idc.SEG_CODE)
    li.seek(0)
    li.file2base(0, ROM_START, ROM_START + SIZE_HEADER, 0)

    # Adding OEP
    idaapi.add_entry(ROM_START, ROM_START, "start", 1)
    idaapi.cvar.inf.startIP = ROM_START
    idaapi.cvar.inf.beginEA = ROM_START

    # Adding ROM Section
    idc.AddSeg(ROM_START + SIZE_HEADER, ROM_START + (ROM_SIZE - SIZE_HEADER),
               0, 1, idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(ROM_START + SIZE_HEADER, "ROM")
    idc.SetSegmentType(ROM_START + SIZE_HEADER, idc.SEG_CODE)
    li.seek(SIZE_HEADER)
    li.file2base(0, ROM_START + SIZE_HEADER, ROM_START + size, 0)

    # Adding EWRAM
    idc.AddSeg(0x02000000, 0x02040000, 0, 1, idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(0x02000000, "EWRAM")
    memset_seg(0x02000000, 0x40000)

    # Adding IWRAM
    idc.AddSeg(0x03000000, 0x03008000, 0, 1, idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(0x03000000, "IWRAM")
    memset_seg(0x03000000, 0x8000)

    # Adding IO / Registers
    idc.AddSeg(0x04000000, 0x04000400, 0, 1, idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(0x04000000, "IOregisters")
    memset_seg(0x04000000, 0x400)

    # Adding BIOS System ROM
    idc.AddSeg(0x00000000, 0x00004000, 0, 1, idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(0x00000000, "BIOS")
    memset_seg(0x00000000, 0x4000)
    idc.SetSegmentType(0x0000000, idc.SEG_CODE)

    idaapi.add_long_cmt(ROM_START, True, "ROM HEADER")
    li.seek(0xA0)
    idc.ExtLinA(ROM_START, 1, "; Game Title : %s" % li.read(12))
    idc.ExtLinA(ROM_START, 2, "; Game Code : %s" % li.read(4))
    idc.ExtLinA(ROM_START, 3, "; Marker Code : %s" % li.read(2))
    idc.ExtLinA(ROM_START, 4,
                "; Fixed value : %02X" % struct.unpack("<B", li.read(1))[0])
    idc.ExtLinA(ROM_START, 5,
                "; Main unit code : %02X" % struct.unpack("<B", li.read(1))[0])
    idc.ExtLinA(ROM_START, 6,
                "; Device type : %02X" % struct.unpack("<B", li.read(1))[0])
    idc.ExtLinA(ROM_START, 7, "; Reserved Area : db 7 dup(0)")
    li.read(7)
    idc.ExtLinA(ROM_START, 8,
                "; Software version %02X" % struct.unpack("<B", li.read(1))[0])
    idc.ExtLinA(ROM_START, 9,
                "; Complement Check %02X" % struct.unpack("<B", li.read(1))[0])
    idc.ExtLinA(ROM_START, 10, "; Reserved Area : db 2 dup(0)")

    io_naming()
    print("[+] Load OK")
    return 1
def load_file(li, neflags, format):
    if format != ROM_FORMAT_NAME:
        Warning("Unknown format name: '%s'" % format)
        return 0
    idaapi.set_processor_type("M6502", SETPROC_ALL | SETPROC_FATAL)
    li.seek(0, idaapi.SEEK_END)
    size = li.tell()

    # RAM
    idc.AddSeg(RAM_START, RAM_START + RAM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(RAM_START, "RAM")

    li.seek(0x6)
    CartTypeLSB = struct.unpack("<B", li.read(1))[0]
    # SRAM
    if (((CartTypeLSB & 0x2) >> 1) == 1):
        idc.AddSeg(SRAM_START, SRAM_START + SRAM_SIZE, 0, 0, idaapi.saRelPara,
                   idaapi.scPub)
        idc.RenameSeg(SRAM_START, "SRAM")

    # EXPROM
    idc.AddSeg(EXPROM_START, EXPROM_START + EXPROM_SIZE, 0, 0,
               idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(EXPROM_START, "EXPROM")

    # TRAINER
    if (((CartTypeLSB & 0x4) >> 2) == 1):
        idc.AddSeg(TRAINER_START, TRAINER_START + TRAINER_SIZE, 0, 0,
                   idaapi.saRelPara, idaapi.scPub)
        idc.RenameSeg(TRAINER_START, "TRAINER")

    # ROM
    idc.AddSeg(ROM_START, ROM_START + ROM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ROM_START, "ROM")
    idc.SetSegmentType(ROM_START, idc.SEG_CODE)

    CartTypeMSB = struct.unpack("<B", li.read(1))[0]
    mapper_version = (((CartTypeLSB & 0xF0) >> 4) | (CartTypeMSB & 0xF0))
    if (mapper_version == MAPPER_NONE or mapper_version == MAPPER_MMC1
            or mapper_version == MAPPER_UxROM or mapper_version == MAPPER_CNROM
            or mapper_version == MAPPER_MMC3 or mapper_version == MAPPER_MMC5
            or mapper_version == MAPPER_CAMERIC
            or mapper_version == MAPPER_GNROM):
        li.seek(0x4)
        prg_rom_size = struct.unpack("<B", li.read(1))[0]
        if (prg_rom_size != 0):
            offset = HEADER_SIZE
            if (((CartTypeLSB & 0x4) >> 2) == 1):
                offset += TRAINER_SIZE
            li.seek(offset)
            li.file2base(0, ROM_START, ROM_START + PRG_PAGE_SIZE, 0)
            offset = HEADER_SIZE + (prg_rom_size - 1) * PRG_PAGE_SIZE
            if (((CartTypeLSB & 0x4) >> 2) == 1):
                offset += TRAINER_SIZE
            li.seek(offset)
            li.file2base(0, ROM_START + PRG_PAGE_SIZE,
                         ROM_START + PRG_PAGE_SIZE + PRG_PAGE_SIZE, 0)

    elif (mapper_version == MAPPER_MMC2):
        print("Second case mapper")
    elif (mapper_version == MAPPER_AxROM
          or mapper_version == MAPPER_COLOR_DREAMS
          or mapper_version == MAPPER_BxROM):
        print("Third case mapper")
    else:
        print("Mapper %d is not supported" % mapper_version)

    naming()
    idaapi.add_entry(Word(0xFFFC), Word(0xFFFC), "start", 1)
    idaapi.cvar.inf.startIP = Word(0xFFFC)
    idaapi.cvar.inf.beginEA = Word(0xFFFC)
    header_info(li, 0xFFEF)

    print("[+] Load OK")
    return 1
Beispiel #4
0
def load_file(li, neflags, format):
    if format != ROM_FORMAT_NAME:
        Warning("Unknown format name: '%s'" % format)
        return 0
    jump = dwordAt(li, 0)
    idaapi.set_processor_type("gb", SETPROC_ALL | SETPROC_FATAL)
    li.seek(0, idaapi.SEEK_END)
    size = li.tell()

    # ROM0
    idc.AddSeg(ROM0_START, ROM0_START + ROM0_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ROM0_START, "ROM0")
    idc.SetSegmentType(ROM0_START, idc.SEG_CODE)
    li.seek(0)
    li.file2base(0, ROM0_START, ROM0_START + ROM0_SIZE, 0)

    # ROM1
    idc.AddSeg(ROM1_START, ROM1_START + ROM1_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ROM1_START, "ROM1")
    idc.SetSegmentType(ROM1_START, idc.SEG_CODE)

    # VRAM
    idc.AddSeg(VRAM_START, VRAM_START + VRAM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(VRAM_START, "VRAM")

    # RAM1
    idc.AddSeg(RAM1_START, RAM1_START + RAM1_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(RAM1_START, "RAM1")

    # RAM0
    idc.AddSeg(RAM0_START, RAM0_START + RAM0_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(RAM0_START, "RAM0")

    # ECHO
    idc.AddSeg(ECHO_START, ECHO_START + ECHO_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ECHO_START, "ECHO")

    # OAM
    idc.AddSeg(OAM_START, OAM_START + OAM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(OAM_START, "OAM")

    # IO
    idc.AddSeg(IO_START, IO_START + IO_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(IO_START, "IO")

    # HRAM
    idc.AddSeg(HRAM_START, HRAM_START + HRAM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(HRAM_START, "HRAM")

    header_info(li)
    naming()
    print("[+] Load OK")
    return 1
import idc
import idaapi
import sys

idc.Wait()
if len(idc.ARGV) == 2:
    tmp_dir = idc.ARGV[1]
    for tmp_file in sorted(os.listdir(tmp_dir)):
        if tmp_file.endswith('.dmp'):
            with open("{}/{}".format(tmp_dir, tmp_file)) as f:
                data = f.read()
                start_addr = int(tmp_file.split('.')[0], 16)
                stop_addr = (start_addr + len(data)) | 0xfff
                idc.SegCreate(start_addr, stop_addr, 0, 1, 0, idaapi.scPub)
                idc.SetSegmentType(start_addr, idc.SEG_CODE)
                idaapi.put_many_bytes(start_addr, data)
    # reanalyze after adding all the new sections
    idc.AnalyzeArea(0, idc.BADADDR)
# compresses the DB
idc.SaveBase('{}.idb'.format(idc.GetInputFile()), flags=idaapi.DBFL_COMP)
idc.Exit(0)
Beispiel #6
0
def load_file(li, neflags, format):
    if format != ROM_FORMAT_NAME:
        Warning("Unknown format name: '%s'" % format)
        return 0
    idaapi.set_processor_type("M6502", SETPROC_ALL | SETPROC_FATAL)

    li.seek(0, idaapi.SEEK_END)
    size = li.tell()

    li.seek(0, idaapi.SEEK_SET)
    nheader = NES_HEADER.from_buffer_copy(li.read(LEN_NES_HEADER))

    # RAM SEGMENT
    idc.AddSeg(RAM_START, RAM_START + RAM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(RAM_START, "RAM")
    zeromemory(RAM_START, RAM_SIZE)

    # IOREG SEGMENT
    idc.AddSeg(IOREG_START, IOREG_START + IOREG_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(IOREG_START, "IOREG")
    zeromemory(IOREG_START, IOREG_SIZE)

    # SRAM SEGMENT
    # bit 1 : Cartridge contains battery-backed PRG RAM ($6000-7FFF) or other persistent memory
    if (nheader.rom_control_byte_0 & 0x02) != 0x00:
        idc.AddSeg(SRAM_START, SRAM_START + SRAM_SIZE, 0, 0, idaapi.saRelPara,
                   idaapi.scPub)
        idc.RenameSeg(SRAM_START, "SRAM")
        zeromemory(SRAM_START, SRAM_SIZE)

    # EXPROM SEGMENT
    idc.AddSeg(EXPROM_START, EXPROM_START + EXPROM_SIZE, 0, 0,
               idaapi.saRelPara, idaapi.scPub)
    idc.RenameSeg(EXPROM_START, "EXPROM")
    zeromemory(EXPROM_START, EXPROM_SIZE)

    # TRAINER SEGMENT
    # bit 2 : 512-byte trainer at $7000-$71FF (stored before PRG data)
    if (nheader.rom_control_byte_0 & 0x04) != 0x00:
        idc.AddSeg(TRAINER_START, TRAINER_START + TRAINER_SIZE, 0, 0,
                   idaapi.saRelPara, idaapi.scPub)
        idc.RenameSeg(TRAINER_START, "TRAINER")
        zeromemory(TRAINER_START, TRAINER_SIZE)

    # ROM SEGMENT
    idc.AddSeg(ROM_START, ROM_START + ROM_SIZE, 0, 0, idaapi.saRelPara,
               idaapi.scPub)
    idc.RenameSeg(ROM_START, "ROM")
    idc.SetSegmentType(ROM_START, idc.SEG_CODE | idc.SEG_DATA)
    zeromemory(ROM_START, ROM_SIZE)

    describe_header_info(li)

    mapper_version = (((nheader.rom_control_byte_0 & 0xF0) >> 4) |
                      (nheader.rom_control_byte_1 & 0xF0))
    if (mapper_version == MAPPER_NONE or mapper_version == MAPPER_MMC1
            or mapper_version == MAPPER_UxROM or mapper_version == MAPPER_CNROM
            or mapper_version == MAPPER_MMC3 or mapper_version == MAPPER_MMC5
            or mapper_version == MAPPER_CAMERIC
            or mapper_version == MAPPER_GNROM):
        offset = LEN_NES_HEADER
        if (nheader.rom_control_byte_0 & 0x04) != 0x00:
            offset = offset + TRAINER_SIZE
        offset = offset
        li.file2base(offset, ROM_START, ROM_START + PRG_PAGE_SIZE, 0)
        offset = LEN_NES_HEADER
        if (nheader.rom_control_byte_0 & 0x04) != 0x00:
            offset = offset + TRAINER_SIZE
        offset = offset + (nheader.nb_prg_page_16k - 1) * PRG_PAGE_SIZE
        li.file2base(offset, ROM_START + PRG_PAGE_SIZE,
                     ROM_START + PRG_PAGE_SIZE + PRG_PAGE_SIZE, 0)
        offset = LEN_NES_HEADER
        if (nheader.rom_control_byte_0 & 0x04) != 0x00:
            offset = offset + TRAINER_SIZE
        offset = offset + PRG_PAGE_SIZE * nheader.nb_prg_page_16k
        li.file2base(offset, RAM_START, RAM_START + CHR_PAGE_SIZE, 0)
    elif (mapper_version == MAPPER_MMC2):
        Warning("Second case mapper")
    elif (mapper_version == MAPPER_AxROM
          or mapper_version == MAPPER_COLOR_DREAMS
          or mapper_version == MAPPER_BxROM):
        Warning("Third case mapper")
    else:
        Warning("Mapper %d is not supported" % mapper_version)

    naming()

    idaapi.add_entry(Word(0xFFFC), Word(0xFFFC), "start", 1)
    idaapi.cvar.inf.startIP = Word(0xFFFC)
    idaapi.cvar.inf.beginEA = Word(0xFFFC)
    return 1
Beispiel #7
0
 def set_type(self, value):
     return idc.SetSegmentType(self.addr, value)