Rule History

SID: 2033686 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Aug 9, 2021, 12:00 PM

Message:

ET MOBILE_MALWARE APT33/Charming Kitten Android/LittleLooter Activity (POST)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE APT33/Charming Kitten Android/LittleLooter Activity (POST)"; flow:established,to_server; http.request_line; content:"POST|20|/|20|HTTP/1.1"; http.user_agent; content:"|3b 20|Android|20|"; http.host; content:".xyz"; endswith; http.request_body; content:"sk="; startswith; fast_pattern; content:"&cs="; distance:0; http.header_names; content:!"Referer"; reference:url,threatpost.com/black-hat-charming-kitten-opsec-goofs-training-videos/168394/; reference:md5,a04c2c3388da643ef67504ef8c6907fb; classtype:command-and-control; sid:2033686; rev:1; metadata:attack_target Mobile_Client, created_at 2021_08_09, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_09;)

Created:

Aug 9, 2021, 12:00 PM

Updated:

Aug 9, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 9, 2025, 9:34 PM

Filename:

rules/emerging-mobile_malware.rules