ET MALWARE Win32/Sync-Scheduler Stealer Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.header;
content:"Accept|3a 20|multipart/*|0d 0a|"; startswith; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
http.request_body;
content:"Content-Disposition: form-data|3b 20|name=|22|file|22 3b 20|filename=|22 20|";
content:"Content-Type|3a 20|text/plain|3b 22 3b|";
target:src_ip;
Raw source ET MALWARE Win32/Sync-Scheduler Stealer Activity (POST) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Sync-Scheduler Stealer Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php"; endswith;
    http.header;
    content:"Accept|3a 20|multipart/*|0d 0a|"; startswith; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    http.request_body;
    content:"Content-Disposition: form-data|3b 20|name=|22|file|22 3b 20|filename=|22 20|";
    content:"Content-Type|3a 20|text/plain|3b 22 3b|";
    reference:md5,004101dc501b9de8965e6b45debd07b6;
    reference:url,www.cyfirma.com/research/sync-scheduler-a-dedicated-document-stealer/;
    classtype:trojan-activity;
    sid:2051842; 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 plaintext, created_at 2024_03_29, deployment Perimeter, malware_family Win32_Sync_Scheduler, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_29;
    target:src_ip;
)

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