ET MALWARE [ANY.RUN] Parallax RAT Check-In

Query · suricata

flow:established,to_server;
dsize:<300;
content:"|22 f1 6e 63|"; startswith; fast_pattern;
content:"|b6 26 09|"; distance:1; within:3;
target:src_ip;
Raw source ET MALWARE [ANY.RUN] Parallax RAT Check-In · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [ANY.RUN] Parallax RAT Check-In";
    flow:established,to_server;
    dsize:<300;
    content:"|22 f1 6e 63|"; startswith; fast_pattern;
    content:"|b6 26 09|"; distance:1; within:3;
    reference:md5,c906f5482d2a7d1f0ff3e6f3a945e27c;
    reference:url,app.any.run/tasks/99728558-769b-4eb3-a839-a7c09a6c7c96;
    reference:url,twitter.com/James_inthe_box/status/1689027430668025856;
    classtype:command-and-control;
    sid:2047156; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2023_08_09, deployment Perimeter, malware_family Parallax, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_09;
    target:src_ip;
)

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