""ET TROJAN W32/WannaCry.Ransomware Killswitch Domain HTTP Request 3""
SID: 2024300
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 2017_05_16, cve CVE_2017_0144, deployment Perimeter, malware_family wannacry, signature_severity Major, tag Ransomware, updated_at 2017_05_19, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "ayylmaotjhsstasdfasdfasdfasdfasdfasdfasdf"
Within:
PCRE: "/Host\x3a\x20[^\s]*ayylmaotjhsstasdfasdfasdfasdfasdfasdfasdf.[a-z]{2,5}\x0d\x0a/Hi"
Special Options:
- http_header