""ET TROJAN APT33/CharmingKitten Shellcode Communicating with CnC""

SID: 2026576

Revision: 4

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_11_05, deployment Perimeter, malware_family Shellcode, performance_impact Low, signature_severity Major, tag APT33_CharmingKitten, tag Shellcode, updated_at 2020_07_16

Reference:

  • md5

  • a60f127a06e5b3dcacd1ec346f7995c5

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: ![25,443,587,9997]

Flow: established,to_server

Contents:

  • Value: "|16 03|" Depth: 2

  • Value: "|00|"

  • Value: "|01 00 00|"

  • Value: "|03|"

  • Value: "|5b e0 37|"

  • Value: "|00|"

  • Value: "|00|"

  • Value: "|00|"

  • Value: !"mtalk.google.com"

Within: 1

PCRE:

Special Options:

  • fast_pattern

source