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| 关键词： Service printf GetLastError NULL 进程 return ServiceName PROCESS 函数 lpszArgv |
作者：ey4s 首发于《黑客防线》，转载请注明出处. 前面我们说了四种查看本地、远程系统进程的办法，接下来我们来研究一下怎么杀掉本地、远程NT系统的进程吧，呵呵。 杀掉本地进程其实很简单，取得进程ID后，调用OpenProcess函数打开进程句柄，然后调用TerminateProcess函数就可以杀掉进程了。有些情况下并不能直接打开进程句柄，例如WINLOGON等系统进程，因为权限不够。这个时候我们就得先提升自己的进程的权限了。提升权限过程也不复杂，先调用GetCurrentProcess函数取得当前进程的句柄，然后调用OpenProcessToken打开当前进程的访问令牌，接着调用LookupPrivilegeValue函数取得你想提升的权限的值，最后调用AdjustTokenPrivileges函数给当前进程的访问令牌增加权限就可以了。一般有了SeDebugPrivilege特权后，就可以杀掉除Idle外的所有进程了。OK!那如何杀掉远程进程呢？说起来有点复杂，但其实也不难。 <1>与远程系统建立IPC连接<2>在远程系统的系统目录admin$\system32中写入一个文件killsrv.exe<3>调用函数OpenSCManager打开远程系统的Service Control Manager[SCM]<4>调用函数CreateService在远程系统创建一个服务，服务指向的程序是在<2>中写入的程序killsrv.exe<5>调用函数StartService启动刚才创建的服务，把想杀掉的进程的ID作为参数传递给它<6>服务启动后，killsrv.exe运行，杀掉进程<7>清场嗯！这样看来，我们需要两个程序了。Killsrv.exe的源代码如下：/***********************************************************************Module:Killsrv.cDate:2001/4/27Author:ey4s<[email protected]>Http://www.ey4s.org***********************************************************************/#include <stdio.h>#include <windows.h>#include "function.c"#define ServiceName "PSKILL" SERVICE_STATUS_HANDLE ssh;SERVICE_STATUS ss;/////////////////////////////////////////////////////////////////////////void ServiceStopped(void){ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;ss.dwCurrentState=SERVICE_STOPPED;ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;ss.dwWin32ExitCode=NO_ERROR;ss.dwCheckPoint=0;ss.dwWaitHint=0;SetServiceStatus(ssh,&ss);return;}/////////////////////////////////////////////////////////////////////////void ServicePaused(void){ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;ss.dwCurrentState=SERVICE_PAUSED;ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;ss.dwWin32ExitCode=NO_ERROR;ss.dwCheckPoint=0;ss.dwWaitHint=0;SetServiceStatus(ssh,&ss);return;}void ServiceRunning(void){ss.dwServiceType=SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS;ss.dwCurrentState=SERVICE_RUNNING;ss.dwControlsAccepted=SERVICE_ACCEPT_STOP;ss.dwWin32ExitCode=NO_ERROR;ss.dwCheckPoint=0;ss.dwWaitHint=0;SetServiceStatus(ssh,&ss);return;}/////////////////////////////////////////////////////////////////////////void WINAPI servier_ctrl(DWORD Opcode)//服务控制程序{switch(Opcode){case SERVICE_CONTROL_STOP://停止ServiceServiceStopped();break;case SERVICE_CONTROL_INTERROGATE:SetServiceStatus(ssh,&ss);break;}return;}////////////////////////////////////////////////////////////////////////////////杀进程成功设置服务状态为SERVICE_STOPPED//失败设置服务状态为SERVICE_PAUSED//void WINAPI ServiceMain(DWORD dwArgc,LPTSTR *lpszArgv){ssh=RegisterServiceCtrlHandler(ServiceName,servier_ctrl);if(!ssh){ServicePaused();return;}ServiceRunning();Sleep(100);//注意，argv[0]为此程序名，argv[1]为pskill,参数需要递增1//argv[2]=target,argv[3]=user,argv[4]=pwd,argv[5]=pidif(KillPS(atoi(lpszArgv[5])))ServiceStopped();elseServicePaused();return;}/////////////////////////////////////////////////////////////////////////////void main(DWORD dwArgc,LPTSTR *lpszArgv){SERVICE_TABLE_ENTRY ste[2];ste[0].lpServiceName=ServiceName;ste[0].lpServiceProc=ServiceMain;ste[1].lpServiceName=NULL;ste[1].lpServiceProc=NULL;StartServiceCtrlDispatcher(ste);return;}/////////////////////////////////////////////////////////////////////////////function.c中有两个函数，一个是提升权限的，一个是提供进程ID,杀进程的。代码如下：/***********************************************************************Module:function.cDate:2001/4/28Author:ey4s<[email protected]>Http://www.ey4s.org***********************************************************************/#include <windows.h>////////////////////////////////////////////////////////////////////////////BOOL SetPrivilege(HANDLE hToken,LPCTSTR lpszPrivilege,BOOL bEnablePrivilege){TOKEN_PRIVILEGES tp;LUID luid; if(!LookupPrivilegeValue(NULL,lpszPrivilege,&luid)){printf("\nLookupPrivilegeValue error:%d", GetLastError() ); return FALSE; }tp.PrivilegeCount = 1;tp.Privileges[0].Luid = luid;if (bEnablePrivilege)tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;elsetp.Privileges[0].Attributes = 0;// Enable the privilege or disable all privileges.AdjustTokenPrivileges(hToken, FALSE, &tp, sizeof(TOKEN_PRIVILEGES), (PTOKEN_PRIVILEGES) NULL, (PDWORD) NULL); // Call GetLastError to determine whether the function succeeded.if (GetLastError() != ERROR_SUCCESS) { printf("AdjustTokenPrivileges failed: %u\n", GetLastError() ); return FALSE; } return TRUE;}////////////////////////////////////////////////////////////////////////////BOOL KillPS(DWORD id){HANDLE hProcess=NULL,hProcessToken=NULL;BOOL IsKilled=FALSE,bRet=FALSE;__try{ if(!OpenProcessToken(GetCurrentProcess(),TOKEN_ALL_ACCESS,&hProcessToken)){printf("\nOpen Current Process Token failed:%d",GetLastError());__leave;}//printf("\nOpen Current Process Token ok!");if(!SetPrivilege(hProcessToken,SE_DEBUG_NAME,TRUE)){__leave;}printf("\nSetPrivilege ok!"); if((hProcess=OpenProcess(PROCESS_ALL_ACCESS,FALSE,id))==NULL){printf("\nOpen Process %d failed:%d",id,GetLastError());__leave;}//printf("\nOpen Process %d ok!",id);if(!TerminateProcess(hProcess,1)){printf("\nTerminateProcess failed:%d",GetLastError());__leave;}IsKilled=TRUE;}__finally{if(hProcessToken!=NULL) CloseHandle(hProcessToken);if(hProcess!=NULL) CloseHandle(hProcess);}return(IsKilled);}//////////////////////////////////////////////////////////////////////////////////////////////OK!服务端的程序已经好了。接下来还需要一个客户端。如果通过在客户端运行的时候，把killsrv.exe COPY到远程系统上，那么就需要提供两个exe文件给用户，这样显得不是很专业，呵呵。不如我们就把killsrv.exe的二进制码作为buff保存在客户端吧，这样在运行的时候，我们直接把buff中的内容写过去，这样提供给用户一个exe文件就可以了。Pskill.c的源代码如下：/*********************************************************************************************Module:PsKill.cCreate:2001/4/28Modify:2001/6/23Author:ey4s<[email protected]>Http://www.ey4s.orgPsKill ==>Local and Remote process killer for windows 2k**************************************************************************/#include "ps.h"#define EXE "killsrv.exe"#define ServiceName "PSKILL" #pragma comment(lib,"mpr.lib")////////////////////////////////////////////////////////////////////////////定义全局变量SERVICE_STATUS ssStatus; SC_HANDLE hSCManager=NULL,hSCService=NULL;BOOL bKilled=FALSE;char szTarget[52]={0};//////////////////////////////////////////////////////////////////////////BOOL ConnIPC(char *,char *,char *);//建立IPC连接函数BOOL InstallService(DWORD,LPTSTR *);//安装服务函数BOOL WaitServiceStop();//等待服务停止函数BOOL RemoveService();//删除服务函数/////////////////////////////////////////////////////////////////////////int main(DWORD dwArgc,LPTSTR *lpszArgv){BOOL bRet=FALSE,bFile=FALSE;char tmp[52]={0},RemoteFilePath[128]={0},szUser[52]={0},szPass[52]={0};HANDLE hFile=NULL;DWORD i=0,dwIndex=0,dwWrite,dwSize=sizeof(exebuff); //杀本地进程if(dwArgc==2){if(KillPS(atoi(lpszArgv[1])))printf("\nLoacl Process %s have beed killed!",lpszArgv[1]);elseprintf("\nLoacl Process %s can't be killed!ErrorCode:%d",lpszArgv[1],GetLastError());return 0;}//用户输入错误else if(dwArgc!=5){printf("\nPSKILL ==>Local and Remote Process Killer""\nPower by ey4s<[email protected]>""\nhttp://www.ey4s.org 2001/6/23""\n\nUsage:%s <PID> <==Killed Local Process""\n %s <IP> <User> <PWD> <PID> <==Killed Remote Process\n",lpszArgv[0],lpszArgv[0]);return 1;}//杀远程机器进程strncpy(szTarget,lpszArgv[1],sizeof(szTarget)-1);strncpy(szUser,lpszArgv[2],sizeof(szUser)-1);strncpy(szPass,lpszArgv[3],sizeof(szPass)-1); //将在目标机器上创建的exe文件的路径sprintf(RemoteFilePath,"\\\\%s\\admin$\\system32\\%s",szTarget,EXE);__try{//与目标建立IPC连接if(!ConnIPC(szTarget,szUser,szPass)){printf("\nConnect to %s failed:%d",szTarget,GetLastError());return 1;}printf("\nConnect to %s success!",szTarget);//在目标机器上创建exe文件 hFile=CreateFile(RemoteFilePath,GENERIC_ALL,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);if(hFile==INVALID_HANDLE_VALUE){printf("\nCreate file %s failed:%d",RemoteFilePath,GetLastError());__leave;}//写文件内容while(dwSize>dwIndex){ if(!WriteFile(hFile,&exebuff[dwIndex],dwSize-dwIndex,&dwWrite,NULL)){printf("\nWrite file %s failed:%d",RemoteFilePath,GetLastError());__leave;}dwIndex+=dwWrite;}//关闭文件句柄CloseHandle(hFile);bFile=TRUE;//安装服务if(InstallService(dwArgc,lpszArgv)){//等待服务结束if(WaitServiceStop()){//printf("\nService was stoped!");}else{//printf("\nService can't be stoped.Try to delete it.");}Sleep(500);//删除服务RemoveService();}}__finally{//删除留下的文件if(bFile) DeleteFile(RemoteFilePath);//如果文件句柄没有关闭,关闭之~if(hFile!=NULL) CloseHandle(hFile);//Close Service handleif(hSCService!=NULL) CloseServiceHandle(hSCService);//Close the Service Control Manager handleif(hSCManager!=NULL) CloseServiceHandle(hSCManager);//断开ipc连接wsprintf(tmp,"\\\\%s\\ipc$",szTarget);WNetCancelConnection2(tmp,CONNECT_UPDATE_PROFILE,TRUE);if(bKilled)printf("\nProcess %s on %s have been killed!\n",lpszArgv[4],lpszArgv[1]);elseprintf("\nProcess %s on %s can't be killed!\n",lpszArgv[4],lpszArgv[1]);}return 0;}//////////////////////////////////////////////////////////////////////////BOOL ConnIPC(char *RemoteName,char *User,char *Pass){NETRESOURCE nr;char RN[50]="\\\\"; strcat(RN,RemoteName);strcat(RN,"\\ipc$"); nr.dwType=RESOURCETYPE_ANY;nr.lpLocalName=NULL;nr.lpRemoteName=RN;nr.lpProvider=NULL; if(WNetAddConnection2(&nr,Pass,User,FALSE)==NO_ERROR)return TRUE;elsereturn FALSE;}/////////////////////////////////////////////////////////////////////////BOOL InstallService(DWORD dwArgc,LPTSTR *lpszArgv){BOOL bRet=FALSE;__try{//Open Service Control Manager on Local or Remote machinehSCManager=OpenSCManager(szTarget,NULL,SC_MANAGER_ALL_ACCESS);if(hSCManager==NULL){printf("\nOpen Service Control Manage failed:%d",GetLastError());__leave;}//printf("\nOpen Service Control Manage ok!");//Create ServicehSCService=CreateService(hSCManager,// handle to SCM database ServiceName,// name of service to startServiceName,// display nameSERVICE_ALL_ACCESS,// type of access to serviceSERVICE_WIN32_OWN_PROCESS,// type of serviceSERVICE_AUTO_START,// when to start serviceSERVICE_ERROR_IGNORE,// severity of service failureEXE,// name of binary fileNULL,// name of load ordering groupNULL,// tag identifierNULL,// array of dependency namesNULL,// account name NULL);// account password//create service failedif(hSCService==NULL){//如果服务已经存在，那么则打开if(GetLastError()==ERROR_SERVICE_EXISTS){//printf("\nService %s Already exists",ServiceName);//open servicehSCService = OpenService(hSCManager, ServiceName, SERVICE_ALL_ACCESS);if(hSCService==NULL){printf("\nOpen Service failed:%d",GetLastError());__leave;}//printf("\nOpen Service %s ok!",ServiceName);}else{printf("\nCreateService failed:%d",GetLastError());__leave;}}//create service okelse{//printf("\nCreate Service %s ok!",ServiceName);} // 起动服务if ( StartService(hSCService,dwArgc,lpszArgv)) { //printf("\nStarting %s.", ServiceName); Sleep(20);//时间最好不要超过100mswhile( QueryServiceStatus(hSCService, &ssStatus ) ) { if ( ssStatus.dwCurrentState == SERVICE_START_PENDING) { printf("."); Sleep(20); } else break; } if ( ssStatus.dwCurrentState != SERVICE_RUNNING ) printf("\n%s failed to run:%d",ServiceName,GetLastError()); } else if(GetLastError()==ERROR_SERVICE_ALREADY_RUNNING){//printf("\nService %s already running.",ServiceName);}else{printf("\nStart Service %s failed:%d",ServiceName,GetLastError());__leave;}bRet=TRUE;}//enf of try__finally{return bRet;}return bRet;}/////////////////////////////////////////////////////////////////////////BOOL WaitServiceStop(void){BOOL bRet=FALSE;//printf("\nWait Service stoped");while(1) { Sleep(100);if(!QueryServiceStatus(hSCService, &ssStatus)){printf("\nQueryServiceStatus failed:%d",GetLastError());break;}if(ssStatus.dwCurrentState==SERVICE_STOPPED){bKilled=TRUE;bRet=TRUE;break;}if(ssStatus.dwCurrentState==SERVICE_PAUSED){ //停止服务bRet=ControlService(hSCService,SERVICE_CONTROL_STOP,NULL);break;} else {//printf(".");continue;} }return bRet;}/////////////////////////////////////////////////////////////////////////BOOL RemoveService(void){//Delete Service if(!DeleteService(hSCService)){printf("\nDeleteService failed:%d",GetLastError());return FALSE;}//printf("\nDelete Service ok!");return TRUE;}/////////////////////////////////////////////////////////////////////////其中ps.h头文件的内容如下：/////////////////////////////////////////////////////////////////////////#include <stdio.h>#include <windows.h>#include "function.c" unsigned char exebuff[]="这里存放的是killsrv.exe的二进制码";/////////////////////////////////////////////////////////////////////////////////////////////以上程序在Windows2000、VC++6.0环境下编译，测试还行。编译好的pskill.exe在我的主页http://www.ey4s.org有下载。其实我们变通一下，改变一下killsrv.exe的内容，例如启动一个cmd.exe什么的，呵呵，这样有了admin权限，并且可以建立IPC连接的时候，不就可以在远程运行命令了吗。象www.sysinternals.com出的psexec.exe和小榕的ntcmd.exe原理都和这差不多的。也许有人会问了，怎么得到程序的二进制码啊？呵呵，随便用一个二进制编辑器，例如UltraEdit等。但是好像不能把二进制码保存为文本，类似这样"\xAB\x77\xCD"，所以我们就不能直接用了。懒的去找这样的工具了，自己写个简单的吧，代码如下[我够意思吧~_*]：/*******************************************************************************************Module:exe2hex.cAuthor:ey4s<[email protected]>Http://www.ey4s.orgDate:2001/6/23****************************************************************************/#include <stdio.h>#include <windows.h>int main(int argc,char **argv){HANDLE hFile;DWORD dwSize,dwRead,dwIndex=0,i;unsigned char *lpBuff=NULL;__try{if(argc!=2){printf("\nUsage: %s <File>",argv[0]);__leave;} hFile=CreateFile(argv[1],GENERIC_READ,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);if(hFile==INVALID_HANDLE_VALUE){printf("\nOpen file %s failed:%d",argv[1],GetLastError());__leave;}dwSize=GetFileSize(hFile,NULL);if(dwSize==INVALID_FILE_SIZE){printf("\nGet file size failed:%d",GetLastError());__leave;}lpBuff=(unsigned char *)malloc(dwSize);if(!lpBuff){printf("\nmalloc failed:%d",GetLastError());__leave;}while(dwSize>dwIndex){if(!ReadFile(hFile,&lpBuff[dwIndex],dwSize-dwIndex,&dwRead,NULL)){printf("\nRead file failed:%d",GetLastError());__leave;}dwIndex+=dwRead;}for(i=0;i<dwSize;i++){if((i%16)==0)printf("\"\n\"");printf("\\x%.2X",lpBuff[i]);}}//end of try__finally{if(lpBuff) free(lpBuff);CloseHandle(hFile);}return 0;}这样运行：exe2hex killsrv.exe，就把killsrv.exe的二进制码打印到屏幕上了，你可以把它重定向到一个txt文件中去，如exe2hex killsrv.exe >killsrv.txt，然后copy到ps.h中去就OK了。OK!搞定，收队！有错误的地方，请各位兄弟来信[email protected]指教，谢谢：) |
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