""ET INFO Likely Hex Encoded Executable as String - Pipe Separated""
SID: 2044370
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|7c|5A|7c|"
-
Value: "|7c|50|7c|45|7c|00|7c|00|7c|"
-
Value: "|7c|21|7c|54|7c|68|7c|69|7c|73|7c|20|7c|70|7c|72|7c|6f|7c|67|7c|72|7c|61|7c|6d|7c|"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase
-
fast_pattern