Sneed-Reactivity/yara-Neo23x0/gen_dropper_pdb.yar

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rule Generic_Dropper {
meta:
description = "Detects Dropper PDB string in file"
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
author = "Florian Roth (Nextron Systems)"
reference = "https://goo.gl/JAHZVL"
date = "2018-03-03"
id = "60ce6a5c-2e12-515b-b8cb-8c87500cb37b"
strings:
$s1 = "\\Release\\Dropper.pdb"
$s2 = "\\Release\\dropper.pdb"
$s3 = "\\Debug\\Dropper.pdb"
$s4 = "\\Debug\\dropper.pdb"
condition:
uint16(0) == 0x5a4d and filesize < 900KB and 1 of them
}