39.100.88.189
C2 Infrastructure CobaltStrike Indicator 39.100.88.189 Type ip Category C2 Infrastructure Family CobaltStrike Hosting Aliyun Computing Co., LTD Confidence high VT Score 16/94 Source shodan First Seen 2026-05-24 00:00:05 UTC Last Seen 2026-07-15 16:00:15 UTC Shodan View on Shodan ↗
Raw JSON
{
"cobalt_strike_beacon": {
"x86": {
"beacon_type": "HTTP",
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)",
"http-post.client": [
"Content-Type: application/octet-stream",
"id"
],
"maxgetsize": 1048576,
"post-ex.spawnto_x86": "%windir%\\syswow64\\rundll32.exe",
"port": 9001,
"sleeptime": 60000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"CreateThread",
"SetThreadContext",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 64,
"post-ex.spawnto_x64": "%windir%\\sysnative\\rundll32.exe",
"process-inject.stub": "40ed048138df0b3e23a0ef24dc5efa1a",
"http-get.uri": "39.100.88.189,/cm",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"server.publickey_md5": "bd2c375b0aaa6309bd2c768ace122d0f",
"dns-beacon.strategy_fail_x": -1,
"http-post.verb": "POST",
"http-post.uri": "/submit.php",
"process-inject.userwx": 64,
"http-get.verb": "GET",
"http-get.client": [
"Cookie"
]
},
"x64": {
"beacon_type": "HTTP",
"dns-beacon.strategy_rotate_seconds": -1,
"useragent_header": "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; Avant Browser)",
"http-post.client": [
"Content-Type: application/octet-stream",
"id"
],
"maxgetsize": 1048576,
"post-ex.spawnto_x86": "%windir%\\syswow64\\rundll32.exe",
"port": 9001,
"sleeptime": 60000,
"uses_cookies": 1,
"proxy.behavior": "2 (Use IE settings)",
"process-inject.execute": [
"CreateThread",
"SetThreadContext",
"CreateRemoteThread",
"RtlCreateUserThread"
],
"process-inject.startrwx": 64,
"post-ex.spawnto_x64": "%windir%\\sysnative\\rundll32.exe",
"process-inject.stub": "40ed048138df0b3e23a0ef24dc5efa1a",
"http-get.uri": "39.100.88.189,/ptj",
"watermark": 666666666,
"dns-beacon.strategy_fail_seconds": -1,
"server.publickey_md5": "bd2c375b0aaa6309bd2c768ace122d0f",
"dns-beacon.strategy_fail_x": -1,
"http-post.verb": "POST",
"http-post.uri": "/submit.php",
"process-inject.userwx": 64,
"http-get.verb": "GET",
"http-get.client": [
"Cookie"
]
}
},
"product": "Cobalt Strike Beacon",
"hash": -1638901901,
"os": null,
"timestamp": "2026-05-23T18:35:57.341411",
"isp": "Hangzhou Alibaba Advertising Co.,Ltd.",
"transport": "tcp",
"cpe": [
"cpe:/a:helpsystems:cobalt_strike"
],
"_shodan": {
"region": "",
"module": "https-simple-new",
"ptr": true,
"options": {},
"id": "0d834061-76ef-4cd2-ae39-bb01b4a76b62",
"crawler": "91597136eb9b132d7cc954511e0d9cbe7ce2e377"
},
"asn": "AS37963",
"hostnames": [],
"location": {
"city": "Zhangjiakou",
"region_code": "HE",
"area_code": null,
"longitude": 114.87139,
"latitude": 40.78341,
"country_code": "CN",
"country_name": "China"
},
"cpe23": [
"cpe:2.3:a:helpsystems:cobalt_strike"
],
"ip": 660887741,
"domains": [],
"org": "Aliyun Computing Co., LTD",
"data": "HTTP/1.1 404 Not Found\r\nDate: Sun, 24 May 2026 02:35:23 GMT\r\nContent-Type: text/plain\r\nContent-Length: 0\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 http-get.client:\n Cookie\n http-get.uri: 39.100.88.189,/cm\n http-get.verb: GET\n http-post.client:\n Content-Type: application/octet-stream\n id\n http-post.uri: /submit.php\n http-post.verb: POST\n maxgetsize: 1048576\n port: 9001\n post-ex.spawnto_x64: %windir%\\sysnative\\rundll32.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\rundll32.exe\n process-inject.execute:\n CreateThread\n SetThreadContext\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.startrwx: 64\n process-inject.stub: 40ed048138df0b3e23a0ef24dc5efa1a\n process-inject.userwx: 64\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: bd2c375b0aaa6309bd2c768ace122d0f\n sleeptime: 60000\n useragent_header: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)\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 http-get.client:\n Cookie\n http-get.uri: 39.100.88.189,/ptj\n http-get.verb: GET\n http-post.client:\n Content-Type: application/octet-stream\n id\n http-post.uri: /submit.php\n http-post.verb: POST\n maxgetsize: 1048576\n port: 9001\n post-ex.spawnto_x64: %windir%\\sysnative\\rundll32.exe\n post-ex.spawnto_x86: %windir%\\syswow64\\rundll32.exe\n process-inject.execute:\n CreateThread\n SetThreadContext\n CreateRemoteThread\n RtlCreateUserThread\n process-inject.startrwx: 64\n process-inject.stub: 40ed048138df0b3e23a0ef24dc5efa1a\n process-inject.userwx: 64\n proxy.behavior: 2 (Use IE settings)\n server.publickey_md5: bd2c375b0aaa6309bd2c768ace122d0f\n sleeptime: 60000\n useragent_header: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; Avant Browser)\n uses_cookies: 1\n watermark: 666666666\n",
"port": 9001,
"ip_str": "39.100.88.189"
}