rule Malware_Floxif_mpsvc_dll : HIGHVOL { meta: description = "Malware - Floxif" license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE" author = "Florian Roth (Nextron Systems)" reference = "Internal Research" date = "2017-04-07" hash1 = "1e654ee1c4736f4ccb8b5b7aa604782cfb584068df4d9e006de8009e60ab5a14" id = "37af366a-24b2-5402-b0b5-6e2c80f8c903" strings: $op1 = { 04 80 7a 03 01 75 04 8d 42 04 c3 8d 42 04 53 8b } $op2 = { 88 19 74 03 41 eb ea c6 42 03 01 5b c3 8b 4c 24 } $op3 = { ff 03 8d 00 f9 ff ff 88 01 eb a1 } condition: ( uint16(0) == 0x5a4d and filesize < 1000KB and all of them ) }