43.143.145.187
C2 Infrastructure CobaltStrike Indicator 43.143.145.187 Type ip Category C2 Infrastructure Family CobaltStrike Hosting Tencent Cloud Computing (Beijing) Co., Ltd Confidence high VT Score 15/94 Source shodan First Seen 2026-05-16 16:00:50 UTC Last Seen 2026-07-01 00:00:55 UTC Shodan View on Shodan ↗
Raw JSON
{
"cobalt_strike_beacon": {
"x86": {
"beacon_type": "HTTP",
"jitter": 35,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36",
"http-post.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Referer: https://t.bilibili.com/?spm_id_from=333.1007.0.0",
"Accept-Encoding: gzip, deflate",
"timezone_offset"
],
"maxgetsize": 2797853,
"process-inject.min_alloc": 17500,
"post-ex.spawnto_x86": "%windir%\\syswow64\\dllhost.exe",
"port": 443,
"sleeptime": 10000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"CreateThread",
"NtQueueApcThread-s",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\dllhost.exe",
"process-inject.stub": "e781a4479f7c5a03b2dcfe4bd436366f",
"http-get.uri": "uu.testcar.top,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js,43.143.145.187,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"host_header": "Host: uu.testcar.top\r\n",
"process-inject.userwx": 32,
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/heifetz/chunks/lib-74f62c79.f945c58fd5a13abc809e.js",
"server.publickey_md5": "ca1c5ee4c6f4451759972387cacad5ac",
"process-inject.allocator": 1,
"http-get.verb": "GET",
"http-get.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Referer: https://www.zhihu.com/",
"Accept-Encoding: gzip, deflate, br, zstd",
"scene1=",
"Cookie"
]
},
"x64": {
"beacon_type": "HTTP",
"jitter": 35,
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36",
"http-post.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Referer: https://t.bilibili.com/?spm_id_from=333.1007.0.0",
"Accept-Encoding: gzip, deflate",
"timezone_offset"
],
"maxgetsize": 2797853,
"process-inject.min_alloc": 17500,
"post-ex.spawnto_x86": "%windir%\\syswow64\\dllhost.exe",
"port": 443,
"sleeptime": 10000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"ntdll:RtlUserThreadStart",
"CreateThread",
"NtQueueApcThread-s",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 4,
"post-ex.spawnto_x64": "%windir%\\sysnative\\dllhost.exe",
"process-inject.stub": "e781a4479f7c5a03b2dcfe4bd436366f",
"http-get.uri": "uu.testcar.top,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js,43.143.145.187,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"host_header": "Host: uu.testcar.top\r\n",
"process-inject.userwx": 32,
"dns-beacon.strategy_fail_x": -1,
"stage.cleanup": 1,
"http-post.verb": "POST",
"http-post.uri": "/heifetz/chunks/lib-74f62c79.f945c58fd5a13abc809e.js",
"server.publickey_md5": "ca1c5ee4c6f4451759972387cacad5ac",
"process-inject.allocator": 1,
"http-get.verb": "GET",
"http-get.client": [
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
"Referer: https://www.zhihu.com/",
"Accept-Encoding: gzip, deflate, br, zstd",
"scene1=",
"Cookie"
]
}
},
"ip": 730829243,
"port": 443,
"transport": "tcp",
"cloud": {
"region": null,
"service": null,
"provider": "Tencent Cloud"
},
"location": {
"city": "Beijing",
"region_code": "BJ",
"area_code": null,
"longitude": 116.39723,
"latitude": 39.9075,
"country_code": "CN",
"country_name": "China"
},
"product": "Cobalt Strike Beacon",
"hash": 1359389042,
"tags": [
"cloud"
],
"timestamp": "2026-05-16T09:18:54.426760",
"hostnames": [],
"org": "Tencent Cloud Computing (Beijing) Co., Ltd",
"data": "HTTP/1.1 404 Not Found\r\nDate: Sat, 16 May 2026 09:18:54 GMT\r\nServer: Apache\r\nContent-Length: 0\r\nKeep-Alive: timeout=10, max=100\r\nConnection: Keep-Alive\r\nContent-Type: text/plain\r\n\r\n\nCobalt Strike Beacon:\n x86:\n beacon_type: HTTP\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n host_header: Host: uu.testcar.top\r\n\n http-get.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Referer: https://www.zhihu.com/\n Accept-Encoding: gzip, deflate, br, zstd\n scene1=\n Cookie\n http-get.uri: uu.testcar.top,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js,43.143.145.187,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js\n http-get.verb: GET\n http-post.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Referer: https://t.bilibili.com/?spm_id_from=333.1007.0.0\n Accept-Encoding: gzip, deflate\n timezone_offset\n http-post.uri: /heifetz/chunks/lib-74f62c79.f945c58fd5a13abc809e.js\n http-post.verb: POST\n jitter: 35\n maxgetsize: 2797853\n port: 443\n post-ex.spawnto_x64: %windir%\\sysnative\\dllhost.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\dllhost.exe\n process-inject.allocator: 1\n process-inject.execute:\n ntdll:RtlUserThreadStart\n CreateThread\n NtQueueApcThread-s\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.min_alloc: 17500\n process-inject.startrwx: 4\n process-inject.stub: e781a4479f7c5a03b2dcfe4bd436366f\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: ca1c5ee4c6f4451759972387cacad5ac\n sleeptime: 10000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36\n uses_cookies: 1\n watermark: 666666666\n x64:\n beacon_type: HTTP\n dns-beacon.strategy_fail_seconds: -1\n dns-beacon.strategy_fail_x: -1\n dns-beacon.strategy_rotate_seconds: -1\n host_header: Host: uu.testcar.top\r\n\n http-get.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Referer: https://www.zhihu.com/\n Accept-Encoding: gzip, deflate, br, zstd\n scene1=\n Cookie\n http-get.uri: uu.testcar.top,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js,43.143.145.187,/heifetz/chunks/lib-9b20c40c.536cd4ff91e1206dc093.js\n http-get.verb: GET\n http-post.client:\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n Referer: https://t.bilibili.com/?spm_id_from=333.1007.0.0\n Accept-Encoding: gzip, deflate\n timezone_offset\n http-post.uri: /heifetz/chunks/lib-74f62c79.f945c58fd5a13abc809e.js\n http-post.verb: POST\n jitter: 35\n maxgetsize: 2797853\n port: 443\n post-ex.spawnto_x64: %windir%\\sysnative\\dllhost.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\dllhost.exe\n process-inject.allocator: 1\n process-inject.execute:\n ntdll:RtlUserThreadStart\n CreateThread\n NtQueueApcThread-s\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.min_alloc: 17500\n process-inject.startrwx: 4\n process-inject.stub: e781a4479f7c5a03b2dcfe4bd436366f\n process-inject.userwx: 32\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: ca1c5ee4c6f4451759972387cacad5ac\n sleeptime: 10000\n stage.cleanup: 1\n useragent_header: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36\n uses_cookies: 1\n watermark: 666666666\n",
"asn": "AS45090",
"cpe23": [
"cpe:2.3:a:helpsystems:cobalt_strike"
],
"isp": "Shenzhen Tencent Computer Systems Company Limited",
"cpe": [
"cpe:/a:helpsystems:cobalt_strike"
],
"domains": [],
"ip_str": "43.143.145.187",
"os": null,
"_shodan": {
"region": "na",
"crawler": "882b86ace587f9a0c7e7358585830fb0a6fff519",
"options": {},
"module": "https",
"id": "5e6d76c0-0a47-46fa-b085-6105fe8043bc"
}
}