ET MALWARE RevStealer dl_exec Command from C2

Query · suricata

flow:established,to_client;
flowbits:isset,ET.RevStealer.Sync;
http.stat_code;
content:"200";
http.response_body;
content:"|22|tasks|22|";
content:"|22|action|22 3a 22|dl_exec|22|"; fast_pattern;
content:"|22|dl|22 3a 22|";
content:"|22|dest|22 3a 22|";
content:"|22|cmdline|22 3a 22|";
target:src_ip;

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 RevStealer dl_exec Command from C2 · 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 MALWARE RevStealer dl_exec Command from C2";
    flow:established,to_client;
    flowbits:isset,ET.RevStealer.Sync;
    http.stat_code;
    content:"200";
    http.response_body;
    content:"|22|tasks|22|";
    content:"|22|action|22 3a 22|dl_exec|22|"; fast_pattern;
    content:"|22|dl|22 3a 22|";
    content:"|22|dest|22 3a 22|";
    content:"|22|cmdline|22 3a 22|";
    reference:md5,85f0892c7d48c46f46377fe7fadfaba2;
    classtype:trojan-activity;
    sid:2069990; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_06_17, deployment Perimeter, deployment SSLDecrypt, malware_family RevStealer, performance_impact Low, confidence High, signature_severity Major, tag Stealer, updated_at 2026_06_17, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)

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