""ET INFO Likely Hex Encoded Executable as String - Single Quote Separated""
SID: 2044375
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|27|5A|27|"
-
Value: "|27|50|27|45|27|00|27|00|27|"
-
Value: "|27|21|27|54|27|68|27|69|27|73|27|20|27|70|27|72|27|6f|27|67|27|72|27|61|27|6d|27|"
Within:
PCRE:
Special Options:
-
file_data
-
nocase
-
nocase
-
fast_pattern