/*
Yara Rule Set
Author: Brian Laskowski
Date: 2018-05-29
Identifier: pythonsymlinker
Reference: https://github.com/Hestat/lw-yara
*/
/* Rule Set ----------------------------------------------------------------- */
rule infected_05_29_18_pythonsymlinker_sym {
meta:
description = "pythonsymlinker - file sym.py"
author = "Brian Laskowski"
reference = "https://github.com/Hestat/lw-yara"
date = "2018-05-29"
hash1 = "72e092cd8922e74b903de63357b81a49e65c4051aa15bed504b6053525987686"
strings:
//$s1 = "(PriVate ByPass ScRiPt)" fullword ascii
//$s3 = "ips.write(\"<tr><td style=font-family:calibri;font-weight:bold;color:black;>%s</td><td style=font-family:calibri;font-weight:bol" ascii
$s4 = "ln -s" fullword ascii
//$s5 = "DedSec.txt" fullword ascii
$s6 = "open('/etc/passwd','r')" fullword ascii
$s7 = "get=_blank"
$s15 = "counter,fusr,fusr,path,fsite" fullword ascii
$s8 = "ips.write" fullword ascii
$s9 = "xusr=xusr.replace('/home/','')" ascii
$s10 = "xxsite=xxsite.replace(\".db\",\"\")" fullword ascii
$s11 = "ips=open"
$s12 = "os.system" fullword ascii
$s13 = "hta ="
$s16 = ".htaccess" fullword ascii
$s14 = "path=os.getcwd()" fullword ascii
condition:
( uint16(0) == 0x2020 and
filesize < 5KB and
( 8 of them )
) or ( all of them )
}
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