""ET INFO Likely Hex Encoded Executable as String - Backtick Separated""
SID: 2044377
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2023_02_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_02_28, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "4D|60|5A|60|"
-
Value: "|60|50|60|45|60|00|60|00|60|"
-
Value: "|60|21|60|54|60|68|60|69|60|73|60|20|60|70|60|72|60|6f|60|67|60|72|60|61|60|6d|60|"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase
-
fast_pattern