ET HUNTING Likely Hex Encoded Executable as String - Pipe Separated

Query · suricata

flow:established,to_client;
file.data;
content:"4D|7c|5A|7c|"; nocase;
content:"|7c|50|7c|45|7c|00|7c|00|7c|"; distance:0;
content:"|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|"; distance:0; nocase; fast_pattern;
target:dest_ip;
Raw source ET HUNTING Likely Hex Encoded Executable as String - Pipe Separated · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET HUNTING Likely Hex Encoded Executable as String - Pipe Separated";
    flow:established,to_client;
    file.data;
    content:"4D|7c|5A|7c|"; nocase;
    content:"|7c|50|7c|45|7c|00|7c|00|7c|"; distance:0;
    content:"|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|"; distance:0; nocase; fast_pattern;
    reference:url,threatmon.io/apt-sidecopy-targeting-indian-government-entities/;
    classtype:bad-unknown;
    sid:2044370; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_02_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, 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;
    target:dest_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.