Contents
3. feedback ¶
- ZeroPage 는만 4F(ThreeFs + Future Action Plan) 맞 feedback .
- Facts, Feelings, Findings, Future Action Plan. , , 느낀 , , .
- 를 들 돈를 먹 대 를 면 : " 남 5만는 돈를 먹.() 대를 는데 맛 .(느낌) 남 만 보 맛 대면 는 .() 는 미리 보 높 돈 봐.( )"
- 마 보 더 ? 믿
- 마 보 더 ? 믿
- Facts, Feelings, Findings, Future Action Plan. , , 느낀 , , .
- feedback 대 .
- ZeroWiki . 를 만는 .
- 러들 배 내 리. 더 .
- ZeroWiki . 를 만는 .
- ZeroWiki는 MoniWiki Engine 며 Google Chrome Mozila Firefox, Safari보는 Internet Explorer 돌는 .
4.1.2. 내 ¶
- wiki를 는, 떻 는 대 배.
- gcc 는 보.
1) https://www.virtualbox.org 맞는 VirtualBux를
2) http://ftp.daum.net -> Ubuntu-releases -> 11.10 -> ubuntu-11.10-deskto-amd64.iso
3) Virtualbox -> 만들 -> : Linux : Ubuntu -> 메모리1024MB 머 디
4) 만들 ubuntu -> 미디 ISO 마 ->
( 는 : 배를 (101/104 ) 됨!)
- gcc hello world를 보.
1) gcc &
2) 는 빈 문 만들 (는 .c )
3) 문
4) terminal -> .c 는 동 (ls cd를 .)
5) gcc . (gcc 명.c -o 는명 -std=c99) 러 .
6) . (./명)
- w3schools를 . (www.w3schools.com)
- 대 .
- 문, 리, 리 등 만 부 들는 .
- 문, 리, 리 등 만 부 들는 .
4.1.3. ¶
- wiki
1) 만들 - 를 면 됩. 본 말 .
2) - 란 눌러 를 남면됩. feedback 목 .
- gcc
1) virtual box linux hello world 린 메 보내.
4.2.2. 내 ¶
- 대 .
1) gcc . - gcc 대부 리 보를 는 목. 냥
- 대 보.
1) 리 는 방 를 목 보내는 럼 동는 .
2) 대 보.
- app : 리 는 를 는 . http, smtp, ftp등 .3) 만 리 모 램 는 .
- transport : 데를 떻 보낼 는 . 데를 떻 묶 보낼, 리는 떻 대 . TCP/UDP등 .
- ip : , 목 데 묶() 는 . .
- link : 노 노 데를 받는 . , 브릿등 됩.
- physical : 들 물리 동는 . 블, 무 매 .
- 런 능들 눈 는, 내 떤 몰 능 .4) 럼 무?
- , 밍 들 동리를 모르더 떤 능 는만 면 밍 .
- (Internet socket, socket' network socket 부르 ) 는 .5) http://forum.falinux.com/zbxe/?document_srl=441104 를 .
램들 , 데를 . - wikipedia- 는 :P 명면 byte stream 받는 마 듯 는 .
fopen() connect() read()/write() read()/write() close() close()
4.2.5. ¶
4.3.2. 내 ¶
- 내 대 .
1) 복 떻 ?
- 문2) 는 는 떻 ?
를 를 .- 면 는 대 .
- . 보3) 를 따 무 불. 떻 방 ?
- thread를 를 리 는4) 는 무 .
concurrent 밍 부 .
- 방 off-line 메 능
를 push 메를 받. 를 C2DM .
- Thread 대 보.
- thread 떤 는 떻 는 .
떻 밍 보.
4.3.5. ¶
4.4.2. 내 ¶
- 대 .
1) 메 번만 보내는 문
-> 메를 번만 받 close .2) 는
-> 보는 는데 들 보 .3) 늦 데
-> 말 무 바 데를 못는동
thread밍 thread 는 밍 .
- concurrent 밍 대 배.
1) thread 밍
- thread 동 리 thread를 떻 는, 료를 떻 는 대 배.
- 내 링를 . http://www.joinc.co.kr/modules/moniwiki/wiki.php/Site/Thread/Beginning/WhatThread
4.6.2. 내 ¶
- NTFS 대 략 명.
-
// 더 : ntfs.h #pragma once #define _WIN32_WINNT 0x0500 #include <windows.h> #include <winioctl.h> #include <stdio.h> typedef BOOLEAN TF; typedef UCHAR U8; typedef USHORT U16; typedef ULONG U32; typedef ULONGLONG U64; typedef struct { U32 Type; U16 UsaOffset; U16 UsaCount; U64 Usn; } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER; typedef struct { NTFS_RECORD_HEADER Ntfs; U16 SequenceNumber; U16 LinkCount; U16 AttributeOffset; U16 Flags; // inUse 0x0001 Directory 0x0002 U32 BytesInUse; U32 BytesAllocated; U64 BaseFileRecord; U16 NextAttributeNumber; } FILE_RECORD_HEADR, *PFILE_RECORD_HEADER; // Standard Attribute typedef enum { AttributeStandardInformation = 0x10, AttributeAttributeList = 0x20, AttributeFileName = 0x30, AttributeObjectId = 0x40, AttributeSecurityDesciptor = 0x50, AttributeVolumeName = 0x60, AttributeVolumeInformation = 0x70, AttributeData = 0x80, AttributeIndexRoot = 0x90, AttributeIndexAllocation = 0xA0, AttributeBitmap = 0xB0, AttributeReparsePoint = 0xC0, AttributeEAInformation = 0xD0, AttributeEA = 0xE0, AttributePropertySet = 0xF0, AttributeLoggedUtilityStream = 0x100 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE; typedef struct { ATTRIBUTE_TYPE AttributeType; U32 Length; TF Nonresident; U8 NameLength; U16 NameOffset; U16 Flags; U16 AttributeNumber; } ATTRIBUTE, *PATTRIBUTE; typedef struct { ATTRIBUTE Attribute; U32 ValueLength; U16 ValueOffset; U16 Flags; } RESIDENT_ATTRIBUTE,*PRESIDENT_ATTRIBUTE; #pragma pack(push, 1) typedef struct { U8 Jump[3]; U8 Format[8]; U16 BytesPerSector; // 바 U8 SectorsPerCluster; // 러 U16 BootSectors; U8 Mbz1; U16 Mbz2; U16 Reserved1; U8 MediaType; U16 Mbz3; U16 SectorsPerTrack; U16 NumberOfHeads; U32 PartitionOffset; U32 Reserved2[2]; U64 TotalSectors; //디 . U64 MftStartLcn; //MFT 는 . U64 Mft2StartLcn; // MFT Mirror 부 는 U32 ClustersPerFileRecord; // 러 U32 ClustersPerIndexBlock; // 덱 블럭 러 U64 VolumeSerialNumber; U8 Code[0x1AE]; U16 BootSignature; } BOOT_BLOCK, *PBOOT_BLOCK; #pragma pack(pop)
- main.cpp
#include "ntfs.h" U32 BytesPerFileRecord; BOOT_BLOCK boot_block; HANDLE hVolume; U32 cnt; CHAR drive[] = "\\\\.\\C:"; PFILE_RECORD_HEADER MFT; void ReadSector(U64 sector, U32 count, void* buffer); void LoadMFT(); void main() { hVolume = CreateFile(drive, GENERIC_READ,FILE_SHARE_READ | FILE_SHARE_WRITE, 0,OPEN_EXISTING, 0, 0); ReadFile(hVolume, &boot_block, sizeof(boot_block), &cnt, 0); printf("======My FILE SYSTEM INFO==========\n"); printf("File System : %s \n",boot_block.Format); printf("Total Sectors : %u \n",boot_block.TotalSectors); printf("Sector per Bytes : %u \n",boot_block.BytesPerSector); printf("Cluster per Sectors : %u\n",boot_block.SectorsPerCluster); printf("Clusters Per FileRecord : %u\n",boot_block.ClustersPerFileRecord); printf("Clusters Per IndexBlock : %u\n",boot_block.ClustersPerIndexBlock); } void LoadMFT() { BytesPerFileRecord = boot_block.ClustersPerFileRecord < 0x80? boot_block.ClustersPerFileRecord* boot_block.SectorsPerCluster* boot_block.BytesPerSector : 1 << (0x100 - boot_block.ClustersPerFileRecord); MFT = PFILE_RECORD_HEADER(new U8[BytesPerFileRecord]); ReadSector(boot_block.MftStartLcn * boot_block.SectorsPerCluster, BytesPerFileRecord / boot_block.BytesPerSector, MFT); printf("buffer : %s\n", MFT+0x27); } void ReadSector(U64 sector, U32 count, void* buffer) { ULARGE_INTEGER offset; OVERLAPPED overlap = {0}; U32 n; offset.QuadPart = sector * boot_block.BytesPerSector; overlap.Offset = offset.LowPart; overlap.OffsetHigh = offset.HighPart; ReadFile(hVolume, buffer, count * boot_block.BytesPerSector, &n, &overlap); }
4.6.3. ¶
- http://forensic-proof.com/ mft 대 보.
4.8.5. ¶
- CreateFile를 보. -
- 배 fopen 는 를바 fopen , fread 보는데 . -
- fopen Standard데 input , 리눅 르 동 . -
- 료 16 릿 리는. ;ㅅ; -
- 는데 보 MFT Little Endian 는 . -
- ReadFile overlap 는 듭 ;ㅅ;
ReadFile 를 만 데 ReadSector는 부 는 ? 면 부 는? -
- 들 는데 .(2012/04/13/01:44)-
-
- CreateFile 문 LPCWSTR 변 는 문 는 는 CreateFileA를 보.
내 http://stackoverflow.com/questions/3783842/converting-a-string-to-lpcwstr-for-createfile-to-address-a-serial-port
4.9.2. 내 ¶
#include "ntfs.h" U32 BytesPerFileRecord; BOOT_BLOCK boot_block; HANDLE hVolume; U32 cnt; CHAR drive[] = "\\\\.\\C:"; //WCHAR drive[] = TEXT("\\\\.\\C:"); PFILE_RECORD_HEADER MFT; void ReadSector(U64 sector, U32 count, void* buffer); void LoadMFT(); void main() { hVolume = CreateFile(drive, GENERIC_READ,FILE_SHARE_READ | FILE_SHARE_WRITE, 0,OPEN_EXISTING, 0, 0); ReadFile(hVolume, &boot_block, sizeof(boot_block), &cnt, 0); // FILE *fp=fopen(drive,"rb"); // fread((void*)&boot_block,sizeof(boot_block),1,fp); printf("======My FILE SYSTEM INFO==========\n"); printf("File System : %s \n",boot_block.Format); printf("Total Sectors : %u \n",boot_block.TotalSectors); printf("Sector per Bytes : %u \n",boot_block.BytesPerSector); printf("Cluster per Sectors : %u\n",boot_block.SectorsPerCluster); printf("Clusters Per FileRecord : %u\n",boot_block.ClustersPerFileRecord); printf("Clusters Per IndexBlock : %u\n",boot_block.ClustersPerIndexBlock); printf("\n\n"); LoadMFT(); } void LoadMFT() { int i; BytesPerFileRecord = boot_block.ClustersPerFileRecord < 0x80? boot_block.ClustersPerFileRecord* boot_block.SectorsPerCluster* boot_block.BytesPerSector : 1 << (0x100 - boot_block.ClustersPerFileRecord); MFT = PFILE_RECORD_HEADER(new U8[BytesPerFileRecord]); ReadSector(boot_block.MftStartLcn * boot_block.SectorsPerCluster, BytesPerFileRecord / boot_block.BytesPerSector, MFT); printf("$MFT's Signaturer : %s\n", MFT);//+0x27); printf("Offset to fixup array : 0x%02x%02x\n", *((unsigned char*)MFT+5),*((unsigned char*)MFT+4)); printf("Number of this MFT Entry : 0x%02x%02x%02x%02x\n" , *((unsigned char*)MFT+47),*((unsigned char*)MFT+46),*((unsigned char*)MFT+45),*((unsigned char*)MFT+44)); printf("Offset to first attribute : 0x%02x%02x \n" , *((unsigned char*)MFT+21),*((unsigned char*)MFT+20)); i=((int)(*((unsigned char*)MFT+21))<<8)+*((unsigned char*)MFT+20);//Offset 동 printf("First Attribute : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); i+=4;// 4바 동 printf("First Attribute Size : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); printf("\n"); i= i+ ((int)(*((unsigned char*)MFT+i+3))<<24)+ ((int)(*((unsigned char*)MFT+i+2))<<16)+ ((int)(*((unsigned char*)MFT+i+1))<<8)+ *((unsigned char*)MFT+i) -4;//를 4바를 . printf("Second Attribute : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); i+=4;// 4바 동 printf("Second Attribute Size : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); printf("\n"); i= i+ ((int)(*((unsigned char*)MFT+i+3))<<24)+ ((int)(*((unsigned char*)MFT+i+2))<<16)+ ((int)(*((unsigned char*)MFT+i+1))<<8)+ *((unsigned char*)MFT+i) -4;//를 4바를 . printf("Third Attribute : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); i+=4;// 4바 동 printf("Third Attribute Size : 0x%02x%02x%02x%02x\n",*((unsigned char*)MFT+i+3),*((unsigned char*)MFT+i+2),*((unsigned char*)MFT+i+1),*((unsigned char*)MFT+i)); printf("\n"); /* ReadSector(boot_block.Mft2StartLcn * boot_block.SectorsPerCluster, BytesPerFileRecord / boot_block.BytesPerSector, MFT); printf("$MFT Mirr's Signaturer : %s\n", MFT);//+0x27); printf("Offset to fixup array : 0x%02x%02x\n", *((unsigned char*)MFT+5),*((unsigned char*)MFT+4)); printf("Number of this MFT Entry : 0x%02x%02x%02x%02x\n" , *((unsigned char*)MFT+47),*((unsigned char*)MFT+46),*((unsigned char*)MFT+45),*((unsigned char*)MFT+44)); printf("\n"); //*/ printf("MftStartLcn : %d\n",boot_block.MftStartLcn); printf("Mft2StartLcn : %d\n",boot_block.Mft2StartLcn); } void ReadSector(U64 sector, U32 count, void* buffer) { ULARGE_INTEGER offset; OVERLAPPED overlap = {0}; U32 n; offset.QuadPart = sector * boot_block.BytesPerSector; overlap.Offset = offset.LowPart; overlap.OffsetHigh = offset.HighPart; ReadFile(hVolume, buffer, count * boot_block.BytesPerSector, &n, &overlap); }
4.9.5. ¶
- 뒤 는 는 , 리디 빅디 변는 는 .
브러리를 .
htons, htonl
- HxD는 디 . 4 바 대 8 바 . 리 리.
http://mh-nexus.de/en/hxd/ -
- Code jam 불더 ... -
- 는 료 . 4bit unsigned 부 3byte,7byte unsigned . -
4.10.2. 내 ¶
#include "ntfs.h" U32 BytesPerFileRecord; BOOT_BLOCK boot_block; HANDLE hVolume; U32 cnt; CHAR drive[] = "\\\\.\\C:"; //WCHAR drive[] = TEXT("\\\\.\\C:"); PFILE_RECORD_HEADER MFT; void ReadSector(U64 sector, U32 count, void* buffer); void LoadMFT(); unsigned int LoadAttribute(int i); unsigned __int64 htonll(unsigned __int64); unsigned int htonl(unsigned int); //unsigned short htons(unsigned short); void main() { hVolume = CreateFile(drive, GENERIC_READ,FILE_SHARE_READ | FILE_SHARE_WRITE, 0,OPEN_EXISTING, 0, 0); ReadFile(hVolume, &boot_block, sizeof(boot_block), &cnt, 0); // FILE *fp=fopen(drive,"rb"); // fread((void*)&boot_block,sizeof(boot_block),1,fp); printf("======My FILE SYSTEM INFO==========\n"); printf("File System : %s \n",boot_block.Format); printf("Total Sectors : %u \n",boot_block.TotalSectors); printf("Sector per Bytes : %u \n",boot_block.BytesPerSector); printf("Cluster per Sectors : %u\n",boot_block.SectorsPerCluster); printf("Clusters Per FileRecord : %u\n",boot_block.ClustersPerFileRecord); printf("Clusters Per IndexBlock : %u\n",boot_block.ClustersPerIndexBlock); printf("\n\n"); LoadMFT(); system("pause"); } void LoadMFT() { int point; unsigned __int64 num; BytesPerFileRecord = boot_block.ClustersPerFileRecord < 0x80? boot_block.ClustersPerFileRecord* boot_block.SectorsPerCluster* boot_block.BytesPerSector : 1 << (0x100 - boot_block.ClustersPerFileRecord); MFT = PFILE_RECORD_HEADER(new U8[BytesPerFileRecord]); printf("MftStartLcn : %016x\n",boot_block.MftStartLcn); printf("Mft2StartLcn : %016x\n",boot_block.Mft2StartLcn); printf("\n"); //0 대 대면 른 MFT entry를 볼 . ReadSector((boot_block.MftStartLcn+0) * boot_block.SectorsPerCluster, BytesPerFileRecord / boot_block.BytesPerSector, MFT); printf("MFT's Signaturer : %s\n", MFT);//+0x27); printf("Offset to fixup array : 0x%02x%02x\n", *((unsigned char*)MFT+5),*((unsigned char*)MFT+4)); printf("Number of this MFT Entry : 0x%02x%02x%02x%02x\n" , *((unsigned char*)MFT+47),*((unsigned char*)MFT+46),*((unsigned char*)MFT+45),*((unsigned char*)MFT+44)); printf("Offset to first attribute : 0x%02x%02x \n" , *((unsigned char*)MFT+21),*((unsigned char*)MFT+20)); printf("\n"); point=((int)(*((unsigned char*)MFT+21))<<8)+*((unsigned char*)MFT+20);//Offset 동 printf("Attribute List Start\n\n"); while(htonl(*((unsigned int*)((unsigned char*)MFT+point)))!=0xFFFFFFFF) point+=LoadAttribute(point); printf("Attribute List End\n"); printf("\n"); } unsigned int LoadAttribute(int point) { int i=0,j=0,k=0; int HeaderSize; /* *((unsigned char*)MFT+i+9) = Attribute Name Size Resident=24 / Non-resident=64 */ if(*((unsigned char*)MFT+point+8)) HeaderSize=64+*((unsigned char*)MFT+point+9); else HeaderSize=24+*((unsigned char*)MFT+point+9); switch(htonl(*((unsigned int*)((unsigned char*)MFT+point)))) { case 0x10://$STANDARD_INFORMATION printf("Attribute type : Standard Information\n"); break; case 0x20://$ATTRIBUTE_LIST printf("Attribute type : Attribute List\n"); break; case 0x30://$FILE_NAME printf("Attribute type : File Name\n"); printf("File Name Size : %d\n",*((unsigned char*)MFT+point+HeaderSize+64)); printf("File NameSpace : "); switch(*((unsigned char*)MFT+point+HeaderSize+65)) { case 0: printf("POSIX\n"); break; case 1: printf("Win32\n"); break; case 2: printf("DOS\n"); break; case 3: printf("Win32 & DOS\n"); break; } printf("File Name : "); for(j=0;j<2**((unsigned char*)MFT+point+HeaderSize+64);j++) printf("%c",*((unsigned char*)MFT+point+HeaderSize+66+j)); printf("\n"); break; case 0x40://$ printf("Attribute type : \n"); break; case 0x50://$SECURITY_DESCRIPTOR printf("Attribute type : Security Descriptor\n"); break; case 0x60://$ printf("Attribute type : \n"); break; case 0x70://$ printf("Attribute type : \n"); break; case 0x80://$DATA printf("Attribute type : Data\n"); //__int64는 메모리 little endian 됨. 만... printf("Run List Start VCN : %I64d\n",*((unsigned __int64*)((unsigned char*)MFT+point+16))); printf("Run List End VCN : %I64d\n",*((unsigned __int64*)((unsigned char*)MFT+point+24))); printf("Run List Start Offset : 0x%02x%02x\n",*((unsigned char*)MFT+point+33),*((unsigned char*)MFT+point+32)); // printf("Cluster Size : %I64d\n",*((unsigned __int64*)((unsigned char*)MFT+point+40))); // printf("Attribute Size : %I64d\n",*((unsigned __int64*)((unsigned char*)MFT+point+48))); // printf("real Size : %I64d\n",*((unsigned __int64*)((unsigned char*)MFT+point+56))); i=(int)*((unsigned char*)MFT+point+33)+*((unsigned char*)MFT+point+32); for(j=0;j<(*((unsigned char*)MFT+point+i)&0x0F);j++)//*((unsigned __int64*)((unsigned char*)MFT+point+24));j++) { printf("Cluster %d lenth : 0x",j); for(k=0;k<(*((unsigned char*)MFT+point+i)&0x0F);k++) printf("%02x",*((unsigned char*)MFT+point+i+(*((unsigned char*)MFT+point+i)&0x0F)-k)); printf("\n"); printf("Cluster %d offset : 0x",j); for(;k<(*((unsigned char*)MFT+point+i)&0x0F)+((*((unsigned char*)MFT+point+i)&0xF0)>>4);k++) printf("%02x",*((unsigned char*)MFT+point+i +(*((unsigned char*)MFT+point+i)&0x0F)+((*((unsigned char*)MFT+point+i)&0xF0)>>4) -k+(*((unsigned char*)MFT+point+i)&0x0F))); printf("\n"); i+=(*((unsigned char*)MFT+point+i)&0x0F)+((*((unsigned char*)MFT+point+i)&0xF0)>>4)+1; } break; case 0xB0: printf("Attribute type : Bitmap\n"); break; } printf("\n"); return htonl(*((unsigned int*)((unsigned char*)MFT+point+4))); } void ReadSector(U64 sector, U32 count, void* buffer) { ULARGE_INTEGER offset; OVERLAPPED overlap = {0}; U32 n; offset.QuadPart = sector * boot_block.BytesPerSector; overlap.Offset = offset.LowPart; overlap.OffsetHigh = offset.HighPart; ReadFile(hVolume, buffer, count * boot_block.BytesPerSector, &n, &overlap); } unsigned __int64 htonll(unsigned __int64 LittleEndian) { unsigned __int64 BigEndian; int i; LittleEndian>>=16; BigEndian=0; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+7))<<54; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+6))<<48; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+5))<<40; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+4))<<32; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+3))<<24; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+2))<<16; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+1))<<8; BigEndian+=(unsigned __int64)(*((unsigned char*)&LittleEndian+0)); return BigEndian; } unsigned int htonl(unsigned int LittleEndian) { unsigned int BigEndian; BigEndian= ((unsigned int)(*((unsigned char*)&LittleEndian+3))<<24)+ ((unsigned int)(*((unsigned char*)&LittleEndian+2))<<16)+ ((unsigned int)(*((unsigned char*)&LittleEndian+1))<<8)+ *((unsigned char*)&LittleEndian) ; return BigEndian; } /* unsigned short htons(unsigned short LittleEndian) { unsigned short BigEndian; BigEndian= ((unsigned short)(*((unsigned char*)&LittleEndian+1))<<8)+ *((unsigned char*)&LittleEndian) ; return BigEndian; } /*/
4.10.5. ¶
- , 는 냥 민 ...-
- (보 MS , micro second )
- (보 MS , micro second )
- http://ezbeat.tistory.com/124
- http://lioler.blog.me/20051109234
-
, 는 리는 . ( 본 보, , data 능)
/MTFREADER -