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157 lines (144 loc) · 6.3 KB
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""" PE file parse script for IceBuddha.com
"""
import icebuddha
__author__ = "0xdabbad00"
__license__ = "Apache"
class Parse:
def run(self, data):
filedata = data
ib = icebuddha.IceBuddha(filedata, "PE")
imageDosHeader = ib.parse(0, "IMAGE_DOS_HEADER", """
WORD e_magic; /* MZ Header signature */
WORD e_cblp; /* Bytes on last page of file */
WORD e_cp; /* Pages in file */
WORD e_crlc; /* Relocations */
WORD e_cparhdr; /* Size of header in paragraphs */
WORD e_minalloc; /* Minimum extra paragraphs needed */
WORD e_maxalloc; /* Maximum extra paragraphs needed */
WORD e_ss; /* Initial (relative) SS value */
WORD e_sp; /* Initial SP value */
WORD e_csum; /* Checksum */
WORD e_ip; /* Initial IP value */
WORD e_cs; /* Initial (relative) CS value */
WORD e_lfarlc; /* File address of relocation table */
WORD e_ovno; /* Overlay number */
WORD e_res[4]; /* Reserved words */
WORD e_oemid; /* OEM identifier (for e_oeminfo) */
WORD e_oeminfo; /* OEM information; e_oemid specific */
WORD e_res2[10]; /* Reserved words */
DWORD e_lfanew; /* Offset to extended header */
""")
ib.append(imageDosHeader)
e_lfanew = imageDosHeader.getInt("e_lfanew")
imageNtHeader = ib.parse(e_lfanew, "IMAGE_NT_HEADER", """
DWORD Signature;
""")
imageFileHeader = ib.parse(imageNtHeader.end(), "IMAGE_FILE_HEADER", """
WORD Machine;
WORD NumberOfSections;
DWORD TimeDateStamp;
DWORD PointerToSymbolTable;
DWORD NumberOfSymbols;
WORD SizeOfOptionalHeader;
WORD Characteristics;
""")
imageNtHeader.append(imageFileHeader)
# IMAGE_OPTIONAL_HEADER
machine = imageFileHeader.getInt("Machine")
imageOptionalHeader = []
if (machine == 0x014c):
imageOptionalHeader = ib.parse(imageNtHeader.end(), "IMAGE_OPTIONAL_HEADER", """
WORD Magic;
BYTE MajorLinkerVersion;
BYTE MinorLinkerVersion;
DWORD SizeOfCode;
DWORD SizeOfInitializedData;
DWORD SizeOfUninitializedData;
DWORD AddressOfEntryPoint;
DWORD BaseOfCode;
DWORD BaseOfData;
DWORD ImageBase;
DWORD SectionAlignment;
DWORD FileAlignment;
WORD MajorOperatingSystemVersion;
WORD MinorOperatingSystemVersion;
WORD MajorImageVersion;
WORD MinorImageVersion;
WORD MajorSubsystemVersion;
WORD MinorSubsystemVersion;
DWORD Win32VersionValue;
DWORD SizeOfImage;
DWORD SizeOfHeaders;
DWORD CheckSum;
WORD Subsystem;
WORD DllCharacteristics;
DWORD SizeOfStackReserve;
DWORD SizeOfStackCommit;
DWORD SizeOfHeapReserve;
DWORD SizeOfHeapCommit;
DWORD LoaderFlags;
DWORD NumberOfRvaAndSizes;
""")
elif (machine == 0x8664):
imageOptionalHeader = ib.parse(imageNtHeader.end(), "IMAGE_OPTIONAL_HEADER64", """
WORD Magic;
BYTE MajorLinkerVersion;
BYTE MinorLinkerVersion;
DWORD SizeOfCode;
DWORD SizeOfInitializedData;
DWORD SizeOfUninitializedData;
DWORD AddressOfEntryPoint;
DWORD BaseOfCode;
ULONGLONG ImageBase;
DWORD SectionAlignment;
DWORD FileAlignment;
WORD MajorOperatingSystemVersion;
WORD MinorOperatingSystemVersion;
WORD MajorImageVersion;
WORD MinorImageVersion;
WORD MajorSubsystemVersion;
WORD MinorSubsystemVersion;
DWORD Win32VersionValue;
DWORD SizeOfImage;
DWORD SizeOfHeaders;
DWORD CheckSum;
WORD Subsystem;
WORD DllCharacteristics;
ULONGLONG SizeOfStackReserve;
ULONGLONG SizeOfStackCommit;
ULONGLONG SizeOfHeapReserve;
ULONGLONG SizeOfHeapCommit;
DWORD LoaderFlags;
DWORD NumberOfRvaAndSizes;
""")
else:
print("ERROR: machine type unknown: %d" % machine)
dllCharacteristics = imageOptionalHeader.findChild("DllCharacteristics")
dllCharacteristics.parseBitField("""
WORD Reserved : 1;
WORD Reserved : 1;
WORD Reserved : 1;
WORD Reserved : 1;
WORD Reserved : 1;
WORD Reserved : 1;
WORD DYNAMIC_BASE : 1;
WORD FORCE_INTEGRITY : 1;
WORD NX_COMPAT : 1;
WORD NO_ISOLATION : 1;
WORD NO_SEH : 1;
WORD NO_BIND : 1;
WORD Reserved : 1;
WORD WDM_DRIVER : 1;
WORD Reserved : 1;
WORD TERMINAL_SERVER_AWARE : 1;
""")
IMAGE_DATA_DIRECTORY = """
DWORD VirtualAddress;
DWORD Size;
"""
imageOptionalHeader.append(ib.parse(imageOptionalHeader.end(), "IMAGE_DATA_DIRECTORY", IMAGE_DATA_DIRECTORY, "export table"))
imageOptionalHeader.append(ib.parse(imageOptionalHeader.end(), "IMAGE_DATA_DIRECTORY", IMAGE_DATA_DIRECTORY, "import table"))
imageNtHeader.append(imageOptionalHeader)
ib.append(imageNtHeader)
return ib.getParseTree()
parser = Parse()