[Guest Diary] New Malware Libraries means New Signatures, (Fri, May 15th)

:root { --isc-maroon: #7a1f1f; --isc-maroon-dark: #5e1717; --isc-link: #0066cc; --isc-text: #1a1a1a; --isc-muted: #555; --isc-rule: #d0d0d0; --isc-code-bg: #f4f4f4; --isc-code-text: #c0392b; --isc-block-bg: #1e1e1e; --isc-block-text: #e6e6e6; --isc-callout-bg: #fafafa; --isc-table-header: #ececec; } * { box-sizing: border-box; } html, body { margin: 0; padding: 0; background: #ffffff; color: var(--isc-text); font-family: "Open Sans", "Source Sans Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; font-size: 15px; line-height: 1.6; } .isc-header { background: var(--isc-maroon); color: #ffffff; padding: 14px 24px; border-bottom: 4px solid var(--isc-maroon-dark); } .isc-header .brand { font-family: Arial, Helvetica, sans-serif; font-size: 22px; font-weight: bold; letter-spacing: 0.3px; } .isc-header .brand a { color: #ffffff; text-decoration: none; } .isc-header .tagline { font-family: Arial, Helvetica, sans-serif; font-size: 12px; color: #f3d6d6; margin-top: 2px; } main { max-width: 920px; margin: 0 auto; padding: 28px 32px 48px; } h1.diary-title { font-family: Arial, Helvetica, sans-serif; font-size: 26px; line-height: 1.25; color: var(--isc-maroon); margin: 8px 0 10px 0; border-bottom: 1px solid var(--isc-rule); padding-bottom: 12px; } .meta { font-family: Arial, Helvetica, sans-serif; font-size: 13px; color: var(--isc-muted); margin-bottom: 24px; } .meta strong { color: var(--isc-text); } .meta a { color: var(--isc-link); text-decoration: none; } .meta a:hover { text-decoration: underline; } h2 { font-family: Arial, Helvetica, sans-serif; font-size: 19px; color: var(--isc-maroon); margin-top: 32px; margin-bottom: 10px; padding-bottom: 4px; border-bottom: 1px solid var(--isc-rule); } h3 { font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: var(--isc-text); margin-top: 22px; margin-bottom: 8px; } p { margin: 10px 0; } a { color: var(--isc-link); } a:hover { text-decoration: underline; } code, .inline-code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 13px; background: var(--isc-code-bg); color: var(--isc-code-text); padding: 1px 5px; border-radius: 3px; word-break: break-all; } .callout { background: var(--isc-callout-bg); border-left: 3px solid var(--isc-maroon); padding: 10px 16px; margin: 14px 0; font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace; font-size: 13px; color: var(--isc-text); } figure { margin: 22px 0; text-align: center; } figure img { max-width: 100%; height: auto; border: 1px solid #cccccc; display: block; margin: 0 auto; } figcaption { font-family: Arial, Helvetica, sans-serif; font-size: 13px; color: var(--isc-muted); margin-top: 8px; font-style: italic; } figcaption strong { color: var(--isc-text); font-style: normal; } table.diary-table { border-collapse: collapse; width: 100%; margin: 16px 0; font-family: Arial, Helvetica, sans-serif; font-size: 13.5px; } table.diary-table th, table.