文件常规删除的三种方法都比较熟悉。
#define FILE_DELETE_ON_CLOSE 0x00001000
@1 Nt/ZwCreateFile Nt/ZwOpenFile
填充OpenPacket结构,标记FILE_DELETE_ON_CLOSE (WRK)
@2 Nt/ZwDeleteFile
@3 Nt/ZwSetInformationFile 使用FileDispositionInformation (enum 0d==13)
IoCallDriver( deviceObject, irp );
XP WIN7 cmd中del 命令完整的栈回溯
del c:\4
1: kd> kvn
# ChildEBP RetAddr Args to Child
00 b1dd2cb0 804e23c9 82102020 81fde1e8 81fde1f8 Ntfs!NtfsFsdSetInformation (FPO: [Non-Fpo])
01 b1dd2cc0 805dc2c1 b1dd2d64 0013efd0 805804ed nt!IopfCallDriver+0x31 (FPO: [0,0,0])
02 b1dd2d48 804de98f 00000090 0013f010 0013f033 nt!NtSetInformationFile+0x533 (FPO: [Non-Fpo])
03 b1dd2d48 7c92e514 00000090 0013f010 0013f033 nt!KiFastCallEntry+0xfc (FPO: [0,0] TrapFrame @ b1dd2d64)
04 0013efb0 7c92dc6a 7c832054 00000090 0013f010 ntdll!KiFastSystemCallRet (FPO: [0,0,0])
05 0013efb4 7c832054 00000090 0013f010 0013f033 ntdll!NtSetInformationFile+0xc (FPO: [5,0,0])
06 0013f028 4ad17d07 0113f050 0015d990 001591c0 kernel32!DeleteFileW+0x23f (FPO: [Non-Fpo])
07 0013f46c 4ad08fc1 001591c0 0015d990 00000000 cmd!NewEraseFile+0x1b2 (FPO: [Non-Fpo])
08 0013f6d4 4ad09148 001591c0 00000000 00000006 cmd!ExpandAndApplyToFS+0x22a (FPO: [Non-Fpo])
09 0013f774 4ad0937c 001591c0 00000000 00000006 cmd!WalkTree+0x40 (FPO: [Non-Fpo])
0a 0013f9d0 4ad092df 0013f9e8 0015a0c8 0015913c cmd!DelPatterns+0x6a (FPO: [Non-Fpo])
0b 0013fc60 4ad091a3 0015a060 0013fe9c 4ad05a92 cmd!DelWork+0x13c (FPO: [Non-Fpo])
0c 0013fc6c 4ad05a92 0015a0c8 00000000 0015a0c8 cmd!eDelete+0x10 (FPO: [Non-Fpo])
0d 0013fe9c 4ad013eb 0015a0c8 0015a0c8 00000002 cmd!FindFixAndRun+0x1f5 (FPO: [Non-Fpo])
0e 0013fee0 4ad0f138 00000000 00000001 00000000 cmd!Dispatch+0x137 (FPO: [Non-Fpo])
0f 0013ff44 4ad05154 00000001 00034068 00032bf8 cmd!main+0x216 (FPO: [Non-Fpo])
10 0013ffc0 7c817077 80000001 01b0ea68 7ffd3000 cmd!mainCRTStartup+0x125 (FPO: [Non-Fpo])
11 0013fff0 00000000 4ad05046 00000000 78746341 kernel32!BaseProcessStart+0x23 (FPO: [Non-Fpo])
1: kd> dds esp
b1dd2cb4 804e23c9 nt!IopfCallDriver+0x31
b1dd2cb8 82102020 pdevice_objet
b1dd2cbc 81fde1e8 pirp
NTSTATUS
NtfsFsdSetInformation (
IN PVOLUME_DEVICE_OBJECT VolumeDeviceObject,
IN PIRP Irp
)
1: kd> dt _device_object 82102020 -r
ntdll!_DEVICE_OBJECT
+0x000 Type : 0n3
+0x002 Size : 0x860
+0x004 ReferenceCount : 0n0
+0x008 DriverObject : 0x82237ca0 _DRIVER_OBJECT
+0x01c DriverName : _UNICODE_STRING "\FileSystem\Ntfs"
+0x000 Length : 0x20
+0x002 MaximumLength : 0x20
+0x004 Buffer : 0xe140e128 "\FileSystem\Ntfs"
1: kd> dt _irp 81fde1e8 -r
ntdll!_IRP
+0x000 Type : 0n6 //#define IRP_MJ_SET_INFORMATION 0x06
+0x040 Tail : __unnamed
+0x000 Overlay : __unnamed
+0x000 DeviceQueueEntry : _KDEVICE_QUEUE_ENTRY
+0x000 DriverContext : [4] (null)
+0x010 Thread : 0x81ca8518 _ETHREAD
+0x014 AuxiliaryBuffer : (null)
+0x018 ListEntry : _LIST_ENTRY [ 0x0 - 0x0 ]
+0x020 CurrentStackLocation : 0x81fde330 _IO_STACK_LOCATION
+0x020 PacketType : 0x81fde330
+0x024 OriginalFileObject : 0x81c63660 _FILE_OBJECT
1: kd> dt _file_object 0x81c63660
ntdll!_FILE_OBJECT
+0x026 ReadAccess : 0 ''
+0x027 WriteAccess : 0 ''
+0x028 DeleteAccess : 0x1 ''
+0x029 SharedRead : 0x1 ''
+0x02a SharedWrite : 0x1 ''
+0x02b SharedDelete : 0x1 ''
+0x02c Flags : 0x40040
+0x030 FileName : _UNICODE_STRING "\4"
Win8.0 win8.1 (9200 9600)
使用的是ZwOpenFile FILE_DELETE_ON_CLOSE 标志