""ET TROJAN TA453/CharmingKitten HYPERSCRAPE Tool Check-in Activity (GET)""

SID: 2038594

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_08_23, deployment Perimeter, malware_family TA453, malware_family APT35, malware_family CharmingKitten, signature_severity Major, updated_at 2022_08_23

Reference:

  • md5

  • 10f5561b7515bc0d66916bef04b63dae

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "?Ck=OK HTTP/1.1|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+[\r\n]+$/H"

Special Options:

  • http_method

  • fast_pattern

source