Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects modifications or additions to Multi-Factor Authentication (MFA) security information for high-value users, specifically targeting those with executive titles (Director, VP, President, etc.). This behavior is frequently associated with account takeover attempts where an attacker registers their own MFA device to a compromised privileged account to maintain persistence.
Detects HTTP requests directed at the 'noah-ssh.com.cn' domain targeting '/api.php' with a specific 13-digit millisecond timestamp pattern. This behavior is indicative of a relay or dispatcher mechanism associated with SilverFox SEO poisoning campaigns, used to manage or redirect traffic.
This rule detects potential identity compromise via abuse of the OAuth device-code grant flow. It monitors for successful user logins leveraging the device code flow, which is a common indicator of AiTM (Adversary-in-the-Middle) phishing campaigns that lure users into authorizing malicious applications under pretexts like security updates or SSO re-authentication.
This rule detects HTTP requests to the Microsoft device login endpoint (/devicelogin) that originate from a non-Microsoft referrer domain. This behavior is highly indicative of Adversary-in-the-Middle (AiTM) phishing attacks targeting OAuth device code flows, where a malicious proxy site redirects users to the legitimate Microsoft login page while attempting to capture session tokens.
Detects suspicious network traffic to Ethereum Sepolia testnet RPC endpoints (Alchemy and Infura) indicative of the 'indexed-btree' malware campaign. The rule monitors for characteristic C2 polling patterns, specifically requests involving malicious contract addresses and specific RPC methods (eth_call, eth_getStorageAt) associated with this activity.
This rule detects the installation or presence of ten identified malicious npm packages associated with the indexed-btree/sorted-btree typosquatting campaign. It monitors command-line activity for 'npm install' commands, package name resolution, and entries within 'package.json' files.
Detects anomalous high-volume file access or download activity in Microsoft 365 (SharePoint or OneDrive) by a single user within a 15-minute window, which may indicate bulk data exfiltration.
Detects network traffic associated with the malicious npm package 'indexed-btree', which uses the Telegram Bot API to exfiltrate data. The rules monitor for connections to api.telegram.org via HTTPS and identify specific hardcoded bot tokens and chat IDs associated with the malicious campaign.
Detects network traffic attempting to use 'dl.google.com' as the TLS Server Name Indication (SNI) header, which is a common indicator of Xray-core C2 tunneling or obfuscation. This rule identifies traffic attempting to masquerade as legitimate Google traffic and should be correlated with endpoint process information to confirm the initiating process is not a browser or authorized Google-related application.
This rule detects anomalous behavior where an identity performs multi-category discovery (e.g., users, groups, directory roles, applications) via Microsoft Graph API within a single session, followed by intensive collection of content (files, attachments, or messages). This sequence is indicative of an adversary performing reconnaissance to map an environment before moving to data exfiltration or theft.
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