""ET MALWARE Win32/Packed.FlyStudio.AA Checkin""

SID: 2044756

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_23, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, updated_at 2023_03_23

Reference:

  • md5

  • 339ed706f35500780ab3417025e44b59

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 2021

Flow: established,to_server

Contents:

  • Value: "|5b bf cd bb a7 b6 cb 5d 0d 0a c3 fc c1 ee 3d c9 cf cf df cd a8 d6 aa 0d 0a cd e2 cd f8 49 50 3d|" Depth: 40

  • Value: "|0d 0a bc c6 cb e3 bb fa c3 fb b3 c6 3d|"

  • Value: "|0d 0a b2 d9 d7 f7 cf b5 cd b3 3d|"

  • Value: "|0d 0a bb fa c6 f7 c2 eb 3d|"

Within:

PCRE:

Special Options:

  • fast_pattern

source