Arnold Chan
@slazTrusted contributorCompletionist
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7,555 detections
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This rule detects a user account performing its first-ever GitHub OAuth or repository access within a short timeframe (30 minutes) after authenticating to a designated low-trust OpenAI community forum. This pattern is designed to identify potential adversary activity where a compromised or newly created account is used to pivot from a low-trust environment to corporate repository access.
This rule detects a user account performing its first-ever GitHub OAuth or repository access within a short timeframe (30 minutes) after authenticating to a designated low-trust OpenAI community forum. This pattern is designed to identify potential adversary activity where a compromised or newly created account is used to pivot from a low-trust environment to corporate repository access.
Detects potential cross-application SSO session or token reuse by identifying users transitioning from a low-trust application (forum) to a high-trust application (ChatGPT/Codex) within a short window (15 minutes), especially when the sign-in is non-interactive (lacking MFA) or occurs from a different IP address or user agent, suggesting a possible token replay attack.
Detects potential cross-application SSO session or token reuse by identifying users transitioning from a low-trust application (forum) to a high-trust application (ChatGPT/Codex) within a short window (15 minutes), especially when the sign-in is non-interactive (lacking MFA) or occurs from a different IP address or user agent, suggesting a possible token replay attack.
Detects known malicious files associated with Kimsuky (APT-C-55) Stella_Gary attack chain by MD5 hash: OrionQuests-Setup.exe installer, guide.url.lnk, test.bef_fri, and backdoor payload component
Detects known malicious files associated with Kimsuky (APT-C-55) Stella_Gary attack chain by MD5 hash: OrionQuests-Setup.exe installer, guide.url.lnk, test.bef_fri, and backdoor payload component
Detects known malicious files associated with Kimsuky (APT-C-55) Stella_Gary attack chain by MD5 hash: OrionQuests-Setup.exe installer, guide.url.lnk, test.bef_fri, and backdoor payload component
Detects the Kimsuky second-stage payload test.bef_fri which masquerades as an RTF file via a falsified RTF header before header repair and decompression
Detects the Kimsuky second-stage payload test.bef_fri which masquerades as an RTF file via a falsified RTF header before header repair and decompression
Detects the Kimsuky second-stage payload test.bef_fri which masquerades as an RTF file via a falsified RTF header before header repair and decompression
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