ET MALWARE PS1/ExfiltracaoBot CnC Response (INFO_RECEIVED)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.ExfiltracaoBot;
dsize:<16;
content:"INFO_RECEIVED"; startswith; fast_pattern;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET MALWARE PS1/ExfiltracaoBot CnC Response (INFO_RECEIVED) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp-pkt $EXTERNAL_NET 1024: -> $HOME_NET any (
    msg:"ET MALWARE PS1/ExfiltracaoBot CnC Response (INFO_RECEIVED)";
    flow:established,to_client;
    flowbits:isset,ET.ExfiltracaoBot;
    dsize:<16;
    content:"INFO_RECEIVED"; startswith; fast_pattern;
    reference:md5,c517e83c5f8713bce774be8e2cf21753;
    classtype:command-and-control;
    sid:2055905; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_09_17, deployment Perimeter, confidence Medium, signature_severity Critical, updated_at 2024_09_17;
)

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