IMAGE_LOAD_CONFIG_DIRECTORY64 SafeSEH检测 表

时间:2023-03-08 22:05:31

IMAGE_LOAD_CONFIG_DIRECTORY64

typedef struct {
DWORD Size;
DWORD TimeDateStamp;
WORD MajorVersion;
WORD MinorVersion;
DWORD GlobalFlagsClear;
DWORD GlobalFlagsSet;
DWORD CriticalSectionDefaultTimeout;
ULONGLONG DeCommitFreeBlockThreshold;
ULONGLONG DeCommitTotalFreeThreshold;
ULONGLONG LockPrefixTable;
ULONGLONG MaximumAllocationSize;
ULONGLONG VirtualMemoryThreshold;
ULONGLONG ProcessAffinityMask;
DWORD ProcessHeapFlags;
WORD CSDVersion;
WORD Reserved1;
ULONGLONG EditList;
ULONGLONG SecurityCookie; 匹配安全cookie
ULONGLONG SEHandlerTable; SEH表地址集合 首地址
ULONGLONG SEHandlerCount; SEH表统计数
} IMAGE_LOAD_CONFIG_DIRECTORY64, *PIMAGE_LOAD_CONFIG_DIRECTORY64;

_IMAGE_OPTIONAL_HEADER -> IMAGE_DATA_DIRECTORY 数据目录里面的一个结构(IMAGE_LOAD_CONFIG_DIRECTORY),该结构的成员SEHandlerTable是指向合法SEH处理程序地址列表的指针,成员SEHandlerCount是数目。而IMAGE_LOAD_CONFIG_DIRECTORY这个结构体只有/SAFESEH选项设置了才存在,因此,就可以根据它来判断PE文件是否加了/SAFESEH链接选项。这个结构在PE中的偏移由PE附加头IMAGE_DATA_DIRECTORY 数组的第11项指定