""ET INFO Likely Hex Encoded Executable as String - Octothorp Separated""
SID: 2044372
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|23|5A|23|"
-
Value: "|23|50|23|45|23|00|23|00|23|"
-
Value: "|23|21|23|54|23|68|23|69|23|73|23|20|23|70|23|72|23|6f|23|67|23|72|23|61|23|6d|23|"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase
-
fast_pattern